fRO_french_translation_rAthena/src/map/clif.cpp

// Copyright (c) rAthena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

#include "clif.hpp"

#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>

#include "../common/cbasetypes.hpp"
#include "../common/conf.hpp"
#include "../common/ers.hpp"
#include "../common/grfio.hpp"
#include "../common/malloc.hpp"
#include "../common/nullpo.hpp"
#include "../common/random.hpp"
#include "../common/showmsg.hpp"
#include "../common/socket.hpp"
#include "../common/strlib.hpp"
#include "../common/timer.hpp"
#include "../common/utils.hpp"

#include "achievement.hpp"
#include "atcommand.hpp"
#include "battle.hpp"
#include "battleground.hpp"
#include "cashshop.hpp"
#include "channel.hpp"
#include "chat.hpp"
#include "chrif.hpp"
#include "clan.hpp"
#include "clif.hpp"
#include "elemental.hpp"
#include "guild.hpp"
#include "homunculus.hpp"
#include "instance.hpp"
#include "intif.hpp"
#include "itemdb.hpp"
#include "log.hpp"
#include "mail.hpp"
#include "map.hpp"
#include "mercenary.hpp"
#include "mob.hpp"
#include "npc.hpp"
#include "party.hpp"
#include "pc.hpp"
#include "pc_groups.hpp"
#include "pet.hpp"
#include "quest.hpp"
#include "script.hpp"
#include "skill.hpp"
#include "status.hpp"
#include "storage.hpp"
#include "trade.hpp"
#include "unit.hpp"
#include "vending.hpp"

static inline uint32 client_tick( t_tick tick ){
	return (uint32)tick;
}

/* for clif_clearunit_delayed */
static struct eri *delay_clearunit_ers;

struct s_packet_db packet_db[MAX_PACKET_DB + 1];
int packet_db_ack[MAX_ACK_FUNC + 1];
unsigned long color_table[COLOR_MAX];

#include "clif_obfuscation.hpp"
static bool clif_session_isValid(struct map_session_data *sd);

#if PACKETVER >= 20150513
enum mail_type {
	MAIL_TYPE_TEXT = 0x0,
	MAIL_TYPE_ZENY = 0x2,
	MAIL_TYPE_ITEM = 0x4,
	MAIL_TYPE_NPC = 0x8
};
#endif

/** Converts item type to display it on client if necessary.
* @param nameid: Item ID
* @return item type. For IT_PETEGG will be displayed as IT_ARMOR. If Shadow Weapon of IT_SHADOWGEAR as IT_WEAPON and else as IT_ARMOR
*/
static inline int itemtype(unsigned short nameid) {
	struct item_data* id = itemdb_search(nameid); //Use itemdb_search, so non-existance item will use dummy data and won't crash the server. bugreport:8468
	int type = id->type;
	if( type == IT_SHADOWGEAR ) {
		if( id->equip&EQP_SHADOW_WEAPON )
			return IT_WEAPON;
		else
			return IT_ARMOR;
	}
	return ( type == IT_PETEGG ) ? IT_ARMOR : type;
}


static inline void WBUFPOS(uint8* p, unsigned short pos, short x, short y, unsigned char dir) {
	p += pos;
	p[0] = (uint8)(x>>2);
	p[1] = (uint8)((x<<6) | ((y>>4)&0x3f));
	p[2] = (uint8)((y<<4) | (dir&0xf));
}


// client-side: x0+=sx0*0.0625-0.5 and y0+=sy0*0.0625-0.5
static inline void WBUFPOS2(uint8* p, unsigned short pos, short x0, short y0, short x1, short y1, unsigned char sx0, unsigned char sy0) {
	p += pos;
	p[0] = (uint8)(x0>>2);
	p[1] = (uint8)((x0<<6) | ((y0>>4)&0x3f));
	p[2] = (uint8)((y0<<4) | ((x1>>6)&0x0f));
	p[3] = (uint8)((x1<<2) | ((y1>>8)&0x03));
	p[4] = (uint8)y1;
	p[5] = (uint8)((sx0<<4) | (sy0&0x0f));
}


static inline void WFIFOPOS(int fd, unsigned short pos, short x, short y, unsigned char dir) {
	WBUFPOS(WFIFOP(fd,pos), 0, x, y, dir);
}


static inline void WFIFOPOS2(int fd, unsigned short pos, short x0, short y0, short x1, short y1, unsigned char sx0, unsigned char sy0) {
	WBUFPOS2(WFIFOP(fd,pos), 0, x0, y0, x1, y1, sx0, sy0);
}


static inline void RBUFPOS(const uint8* p, unsigned short pos, short* x, short* y, unsigned char* dir) {
	p += pos;

	if( x ) {
		x[0] = ( ( p[0] & 0xff ) << 2 ) | ( p[1] >> 6 );
	}

	if( y ) {
		y[0] = ( ( p[1] & 0x3f ) << 4 ) | ( p[2] >> 4 );
	}

	if( dir ) {
		dir[0] = ( p[2] & 0x0f );
	}
}


static inline void RBUFPOS2(const uint8* p, unsigned short pos, short* x0, short* y0, short* x1, short* y1, unsigned char* sx0, unsigned char* sy0) {
	p += pos;

	if( x0 ) {
		x0[0] = ( ( p[0] & 0xff ) << 2 ) | ( p[1] >> 6 );
	}

	if( y0 ) {
		y0[0] = ( ( p[1] & 0x3f ) << 4 ) | ( p[2] >> 4 );
	}

	if( x1 ) {
		x1[0] = ( ( p[2] & 0x0f ) << 6 ) | ( p[3] >> 2 );
	}

	if( y1 ) {
		y1[0] = ( ( p[3] & 0x03 ) << 8 ) | ( p[4] >> 0 );
	}

	if( sx0 ) {
		sx0[0] = ( p[5] & 0xf0 ) >> 4;
	}

	if( sy0 ) {
		sy0[0] = ( p[5] & 0x0f ) >> 0;
	}
}


static inline void RFIFOPOS(int fd, unsigned short pos, short* x, short* y, unsigned char* dir) {
	RBUFPOS(RFIFOP(fd,pos), 0, x, y, dir);
}


static inline void RFIFOPOS2(int fd, unsigned short pos, short* x0, short* y0, short* x1, short* y1, unsigned char* sx0, unsigned char* sy0) {
	RBUFPOS2(WFIFOP(fd,pos), 0, x0, y0, x1, y1, sx0, sy0);
}


//To idenfity disguised characters.
static inline bool disguised(struct block_list* bl) {
	return (bool)( bl->type == BL_PC && ((TBL_PC*)bl)->disguise );
}


//Guarantees that the given string does not exceeds the allowed size, as well as making sure it's null terminated. [Skotlex]
static inline unsigned int mes_len_check(char* mes, unsigned int len, unsigned int max) {
	if( len > max )
		len = max;

	mes[len-1] = '\0';

	return len;
}


static char map_ip_str[128];
static uint32 map_ip;
static uint32 bind_ip = INADDR_ANY;
static uint16 map_port = 5121;
static bool clif_ally_only = false;
int map_fd;

static int clif_parse (int fd);

/*==========================================
 * Ip setting of map-server
 *------------------------------------------*/
int clif_setip(const char* ip) {
	char ip_str[16];
	map_ip = host2ip(ip);
	if (!map_ip) {
		ShowWarning("Failed to Resolve Map Server Address! (%s)\n", ip);
		return 0;
	}

	safestrncpy(map_ip_str, ip, sizeof(map_ip_str));
	ShowInfo("Map Server IP Address : '" CL_WHITE "%s" CL_RESET "' -> '" CL_WHITE "%s" CL_RESET "'.\n", ip, ip2str(map_ip, ip_str));
	return 1;
}

void clif_setbindip(const char* ip)
{
	bind_ip = host2ip(ip);
	if (bind_ip) {
		char ip_str[16];
		ShowInfo("Map Server Bind IP Address : '" CL_WHITE "%s" CL_RESET "' -> '" CL_WHITE "%s" CL_RESET "'.\n", ip, ip2str(bind_ip, ip_str));
	} else {
		ShowWarning("Failed to Resolve Map Server Address! (%s)\n", ip);
	}
}

/*==========================================
 * Sets map port to 'port'
 * is run from map.cpp upon loading map server configuration
 *------------------------------------------*/
void clif_setport(uint16 port)
{
	map_port = port;
}

/*==========================================
 * Returns map server IP
 *------------------------------------------*/
uint32 clif_getip(void)
{
	return map_ip;
}

//Refreshes map_server ip, returns the new ip if the ip changed, otherwise it returns 0.
uint32 clif_refresh_ip(void)
{
	uint32 new_ip;

	new_ip = host2ip(map_ip_str);
	if (new_ip && new_ip != map_ip) {
		map_ip = new_ip;
		ShowInfo("Updating IP resolution of [%s].\n", map_ip_str);
		return map_ip;
	}
	return 0;
}

/*==========================================
 * Returns map port which is set by clif_setport()
 *------------------------------------------*/
uint16 clif_getport(void)
{
	return map_port;
}

#if PACKETVER >= 20071106
static inline unsigned char clif_bl_type(struct block_list *bl) {
	switch (bl->type) {
	case BL_PC:    return (disguised(bl) && !pcdb_checkid(status_get_viewdata(bl)->class_))? 0x1:0x0; //PC_TYPE
	case BL_ITEM:  return 0x2; //ITEM_TYPE
	case BL_SKILL: return 0x3; //SKILL_TYPE
	case BL_CHAT:  return 0x4; //UNKNOWN_TYPE
	case BL_MOB:   return pcdb_checkid(status_get_viewdata(bl)->class_)?0x0:0x5; //NPC_MOB_TYPE
	case BL_NPC:   return pcdb_checkid(status_get_viewdata(bl)->class_)?0x0:0x6; //NPC_EVT_TYPE
	case BL_PET:   return pcdb_checkid(status_get_viewdata(bl)->class_)?0x0:0x7; //NPC_PET_TYPE
	case BL_HOM:   return 0x8; //NPC_HOM_TYPE
	case BL_MER:   return 0x9; //NPC_MERSOL_TYPE
	case BL_ELEM:  return 0xa; //NPC_ELEMENTAL_TYPE
	default:       return 0x1; //NPC_TYPE
	}
}
#endif

static bool clif_session_isValid(struct map_session_data *sd) {
	return ( sd != NULL && session_isActive(sd->fd) );
}

/*==========================================
 * sub process of clif_send
 * Called from a map_foreachinallarea (grabs all players in specific area and subjects them to this function)
 * In order to send area-wise packets, such as:
 * - AREA : everyone nearby your area
 * - AREA_WOSC (AREA WITHOUT SAME CHAT) : Not run for people in the same chat as yours
 * - AREA_WOC (AREA WITHOUT CHAT) : Not run for people inside a chat
 * - AREA_WOS (AREA WITHOUT SELF) : Not run for self
 * - AREA_CHAT_WOC : Everyone in the area of your chat without a chat
 *------------------------------------------*/
static int clif_send_sub(struct block_list *bl, va_list ap)
{
	struct block_list *src_bl;
	struct map_session_data *sd;
	unsigned char *buf;
	int len, type, fd;

	nullpo_ret(bl);
	nullpo_ret(sd = (struct map_session_data *)bl);

	fd = sd->fd;
	if (!fd) //Don't send to disconnected clients.
		return 0;

	buf = va_arg(ap,unsigned char*);
	len = va_arg(ap,int);
	nullpo_ret(src_bl = va_arg(ap,struct block_list*));
	type = va_arg(ap,int);

	switch(type) {
	case AREA_WOS:
		if (bl == src_bl)
			return 0;
	break;
	case AREA_WOC:
		if (sd->chatID || bl == src_bl)
			return 0;
	break;
	case AREA_WOSC:
	{
		if(src_bl->type == BL_PC) {
			struct map_session_data *ssd = (struct map_session_data *)src_bl;
			if (ssd && sd->chatID && (sd->chatID == ssd->chatID))
			return 0;
		}
		else if(src_bl->type == BL_NPC) {
			struct npc_data *nd = (struct npc_data *)src_bl;
			if (nd && sd->chatID && (sd->chatID == nd->chat_id))
			return 0;
		}
	}
	break;
	}

	if (session[fd] == NULL)
		return 0;

	/* unless visible, hold it here */
	if (!battle_config.update_enemy_position && clif_ally_only && !sd->special_state.intravision &&
		!sd->sc.data[SC_INTRAVISION] && battle_check_target(src_bl,&sd->bl,BCT_ENEMY) > 0)
		return 0;

	WFIFOHEAD(fd, len);
	if (WFIFOP(fd,0) == buf) {
		ShowError("WARNING: Invalid use of clif_send function\n");
		ShowError("         Packet x%4x use a WFIFO of a player instead of to use a buffer.\n", WBUFW(buf,0));
		ShowError("         Please correct your code.\n");
		// don't send to not move the pointer of the packet for next sessions in the loop
		//WFIFOSET(fd,0);//## TODO is this ok?
		//NO. It is not ok. There is the chance WFIFOSET actually sends the buffer data, and shifts elements around, which will corrupt the buffer.
		return 0;
	}

	memcpy(WFIFOP(fd,0), buf, len);
	WFIFOSET(fd,len);

	return 0;
}

/*==========================================
 * Packet Delegation (called on all packets that require data to be sent to more than one client)
 * functions that are sent solely to one use whose ID it posses use WFIFOSET
 *------------------------------------------*/
int clif_send(const uint8* buf, int len, struct block_list* bl, enum send_target type)
{
	int i;
	struct map_session_data *sd, *tsd;
	struct party_data *p = NULL;
	struct guild *g = NULL;
	struct battleground_data *bg = NULL;
	int x0 = 0, x1 = 0, y0 = 0, y1 = 0, fd;
	struct s_mapiterator* iter;

	if( type != ALL_CLIENT )
		nullpo_ret(bl);

	sd = BL_CAST(BL_PC, bl);

	switch(type) {

	case ALL_CLIENT: //All player clients.
		iter = mapit_getallusers();
		while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL ){
			WFIFOHEAD(tsd->fd, len);
			memcpy(WFIFOP(tsd->fd, 0), buf, len);
			WFIFOSET(tsd->fd, len);
		}
		mapit_free(iter);
		break;

	case ALL_SAMEMAP: //All players on the same map
		iter = mapit_getallusers();
		while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
		{
			if( bl->m == tsd->bl.m ){
				WFIFOHEAD(tsd->fd, len);
				memcpy(WFIFOP(tsd->fd,0), buf, len);
				WFIFOSET(tsd->fd,len);
			}
		}
		mapit_free(iter);
		break;

	case AREA:
	case AREA_WOSC:
		if (sd && bl->prev == NULL) //Otherwise source misses the packet.[Skotlex]
			clif_send (buf, len, bl, SELF);
	case AREA_WOC:
	case AREA_WOS:
		map_foreachinallarea(clif_send_sub, bl->m, bl->x-AREA_SIZE, bl->y-AREA_SIZE, bl->x+AREA_SIZE, bl->y+AREA_SIZE,
			BL_PC, buf, len, bl, type);
		break;
	case AREA_CHAT_WOC:
		map_foreachinallarea(clif_send_sub, bl->m, bl->x-(AREA_SIZE-5), bl->y-(AREA_SIZE-5),
			bl->x+(AREA_SIZE-5), bl->y+(AREA_SIZE-5), BL_PC, buf, len, bl, AREA_WOC);
		break;

	case CHAT:
	case CHAT_WOS:
		{
			struct chat_data *cd;
			if (sd) {
				cd = (struct chat_data*)map_id2bl(sd->chatID);
			} else if (bl->type == BL_CHAT) {
				cd = (struct chat_data*)bl;
			} else break;
			if (cd == NULL)
				break;
			for(i = 0; i < cd->users; i++) {
				if (type == CHAT_WOS && cd->usersd[i] == sd)
					continue;
				if ((fd=cd->usersd[i]->fd) >0 && session[fd]){ // Added check to see if session exists [PoW]
					WFIFOHEAD(fd,len);
					memcpy(WFIFOP(fd,0), buf, len);
					WFIFOSET(fd,len);
				}
			}
		}
		break;

	case PARTY_AREA:
	case PARTY_AREA_WOS:
		x0 = bl->x - AREA_SIZE;
		y0 = bl->y - AREA_SIZE;
		x1 = bl->x + AREA_SIZE;
		y1 = bl->y + AREA_SIZE;
	case PARTY:
	case PARTY_WOS:
	case PARTY_SAMEMAP:
	case PARTY_SAMEMAP_WOS:
		if (sd && sd->status.party_id)
			p = party_search(sd->status.party_id);

		if (p) {
			for(i=0;i<MAX_PARTY;i++){
				if( (sd = p->data[i].sd) == NULL )
					continue;

				if( !(fd=sd->fd) )
					continue;

				if( sd->bl.id == bl->id && (type == PARTY_WOS || type == PARTY_SAMEMAP_WOS || type == PARTY_AREA_WOS) )
					continue;

				if( type != PARTY && type != PARTY_WOS && bl->m != sd->bl.m )
					continue;

				if( (type == PARTY_AREA || type == PARTY_AREA_WOS) && (sd->bl.x < x0 || sd->bl.y < y0 || sd->bl.x > x1 || sd->bl.y > y1) )
					continue;

				WFIFOHEAD(fd, len);
				memcpy(WFIFOP(fd, 0), buf, len);
				WFIFOSET(fd, len);
			}
			if (!enable_spy) //Skip unnecessary parsing. [Skotlex]
				break;

			iter = mapit_getallusers();
			while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
			{
				if( tsd->partyspy == p->party.party_id ){
					WFIFOHEAD(tsd->fd, len);
					memcpy(WFIFOP(tsd->fd,0), buf, len);
					WFIFOSET(tsd->fd,len);
				}
			}
			mapit_free(iter);
		}
		break;

	case DUEL:
	case DUEL_WOS:
		if (!sd || !sd->duel_group) break; //Invalid usage.

		iter = mapit_getallusers();
		while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
		{
			if( type == DUEL_WOS && bl->id == tsd->bl.id )
				continue;
			if( sd->duel_group == tsd->duel_group ){
				WFIFOHEAD(tsd->fd, len);
				memcpy(WFIFOP(tsd->fd,0), buf, len);
				WFIFOSET(tsd->fd,len);
			}
		}
		mapit_free(iter);
		break;

	case SELF:
		if (sd && (fd=sd->fd)) {
			WFIFOHEAD(fd,len);
			memcpy(WFIFOP(fd,0), buf, len);
			WFIFOSET(fd,len);
		}
		break;

	// New definitions for guilds [Valaris] - Cleaned up and reorganized by [Skotlex]
	case GUILD_AREA:
	case GUILD_AREA_WOS:
		x0 = bl->x - AREA_SIZE;
		y0 = bl->y - AREA_SIZE;
		x1 = bl->x + AREA_SIZE;
		y1 = bl->y + AREA_SIZE;
	case GUILD_SAMEMAP:
	case GUILD_SAMEMAP_WOS:
	case GUILD:
	case GUILD_WOS:
	case GUILD_NOBG:
		if (sd && sd->status.guild_id)
			g = sd->guild;

		if (g) {
			for(i = 0; i < g->max_member; i++) {
				if( (sd = g->member[i].sd) != NULL )
				{
					if( !(fd=sd->fd) )
						continue;

					if( type == GUILD_NOBG && sd->bg_id )
						continue;

					if( sd->bl.id == bl->id && (type == GUILD_WOS || type == GUILD_SAMEMAP_WOS || type == GUILD_AREA_WOS) )
						continue;

					if( type != GUILD && type != GUILD_NOBG && type != GUILD_WOS && sd->bl.m != bl->m )
						continue;

					if( (type == GUILD_AREA || type == GUILD_AREA_WOS) && (sd->bl.x < x0 || sd->bl.y < y0 || sd->bl.x > x1 || sd->bl.y > y1) )
						continue;

					WFIFOHEAD(fd,len);
					memcpy(WFIFOP(fd,0), buf, len);
					WFIFOSET(fd,len);
				}
			}
			if (!enable_spy) //Skip unnecessary parsing. [Skotlex]
				break;

			iter = mapit_getallusers();
			while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
			{
				if( tsd->guildspy == g->guild_id ){
					WFIFOHEAD(tsd->fd, len);
					memcpy(WFIFOP(tsd->fd,0), buf, len);
					WFIFOSET(tsd->fd,len);
				}
			}
			mapit_free(iter);
		}
		break;

	case BG_AREA:
	case BG_AREA_WOS:
		x0 = bl->x - AREA_SIZE;
		y0 = bl->y - AREA_SIZE;
		x1 = bl->x + AREA_SIZE;
		y1 = bl->y + AREA_SIZE;
	case BG_SAMEMAP:
	case BG_SAMEMAP_WOS:
	case BG:
	case BG_WOS:
		if( sd && sd->bg_id && (bg = bg_team_search(sd->bg_id)) != NULL )
		{
			for( i = 0; i < MAX_BG_MEMBERS; i++ )
			{
				if( (sd = bg->members[i].sd) == NULL || !(fd = sd->fd) )
					continue;
				if( sd->bl.id == bl->id && (type == BG_WOS || type == BG_SAMEMAP_WOS || type == BG_AREA_WOS) )
					continue;
				if( type != BG && type != BG_WOS && sd->bl.m != bl->m )
					continue;
				if( (type == BG_AREA || type == BG_AREA_WOS) && (sd->bl.x < x0 || sd->bl.y < y0 || sd->bl.x > x1 || sd->bl.y > y1) )
					continue;
				WFIFOHEAD(fd,len);
				memcpy(WFIFOP(fd,0), buf, len);
				WFIFOSET(fd,len);
			}
		}
		break;
	case CLAN:
		if( sd && sd->clan ){
			struct clan* clan = sd->clan;

			for( i = 0; i < clan->max_member; i++ ){
				if( ( sd = clan->members[i] ) == NULL || !(fd = sd->fd) ){
					continue;
				}

				WFIFOHEAD(fd,len);
				memcpy(WFIFOP(fd,0), buf, len);
				WFIFOSET(fd,len);
			}

			if (!enable_spy) //Skip unnecessary parsing. [Skotlex]
				break;

			iter = mapit_getallusers();
			while ((tsd = (TBL_PC*)mapit_next(iter)) != NULL){
				if (tsd->clanspy == clan->id){
					WFIFOHEAD(tsd->fd, len);
					memcpy(WFIFOP(tsd->fd, 0), buf, len);
					WFIFOSET(tsd->fd, len);
				}
			}
			mapit_free(iter);
		}
		break;

	default:
		ShowError("clif_send: Unrecognized type %d\n",type);
		return -1;
	}

	return 0;
}


/// Notifies the client, that it's connection attempt was accepted.
/// 0073 <start time>.L <position>.3B <x size>.B <y size>.B (ZC_ACCEPT_ENTER)
/// 02eb <start time>.L <position>.3B <x size>.B <y size>.B <font>.W (ZC_ACCEPT_ENTER2)
/// 0a18 <start time>.L <position>.3B <x size>.B <y size>.B <font>.W <sex>.B (ZC_ACCEPT_ENTER3)
void clif_authok(struct map_session_data *sd)
{
#if PACKETVER < 20080102
	const int cmd = 0x73;
#elif PACKETVER < 20141022 || PACKETVER >= 20160330
	const int cmd = 0x2eb;
#else
	const int cmd = 0xa18;
#endif
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd, 0) = cmd;
	WFIFOL(fd, 2) = client_tick(gettick());
	WFIFOPOS(fd, 6, sd->bl.x, sd->bl.y, sd->ud.dir);
	WFIFOB(fd, 9) = 5; // ignored
	WFIFOB(fd,10) = 5; // ignored
#if PACKETVER >= 20080102
	WFIFOW(fd,11) = sd->status.font;
#endif
#if PACKETVER >= 20141016 && PACKETVER < 20160330
	WFIFOB(fd,13) = sd->status.sex;
#endif
	WFIFOSET(fd,packet_len(cmd));
}


/// Notifies the client, that it's connection attempt was refused (ZC_REFUSE_ENTER).
/// 0074 <error code>.B
/// error code:
///     0 = client type mismatch
///     1 = ID mismatch
///     2 = mobile - out of available time
///     3 = mobile - already logged in
///     4 = mobile - waiting state
void clif_authrefuse(int fd, uint8 error_code)
{
	WFIFOHEAD(fd,packet_len(0x74));
	WFIFOW(fd,0) = 0x74;
	WFIFOB(fd,2) = error_code;
	WFIFOSET(fd,packet_len(0x74));
}


/// Notifies the client of a ban or forced disconnect (SC_NOTIFY_BAN).
/// 0081 <error code>.B
/// error code:
///     0 = BAN_UNFAIR
///     1 = server closed -> MsgStringTable[4]
///     2 = ID already logged in -> MsgStringTable[5]
///     3 = timeout/too much lag -> MsgStringTable[241]
///     4 = server full -> MsgStringTable[264]
///     5 = underaged -> MsgStringTable[305]
///     8 = Server sill recognizes last connection -> MsgStringTable[441]
///     9 = too many connections from this ip -> MsgStringTable[529]
///     10 = out of available time paid for -> MsgStringTable[530]
///     11 = BAN_PAY_SUSPEND
///     12 = BAN_PAY_CHANGE
///     13 = BAN_PAY_WRONGIP
///     14 = BAN_PAY_PNGAMEROOM
///     15 = disconnected by a GM -> if( servicetype == taiwan ) MsgStringTable[579]
///     16 = BAN_JAPAN_REFUSE1
///     17 = BAN_JAPAN_REFUSE2
///     18 = BAN_INFORMATION_REMAINED_ANOTHER_ACCOUNT
///     100 = BAN_PC_IP_UNFAIR
///     101 = BAN_PC_IP_COUNT_ALL
///     102 = BAN_PC_IP_COUNT
///     103 = BAN_GRAVITY_MEM_AGREE
///     104 = BAN_GAME_MEM_AGREE
///     105 = BAN_HAN_VALID
///     106 = BAN_PC_IP_LIMIT_ACCESS
///     107 = BAN_OVER_CHARACTER_LIST
///     108 = BAN_IP_BLOCK
///     109 = BAN_INVALID_PWD_CNT
///     110 = BAN_NOT_ALLOWED_JOBCLASS
///     ? = disconnected -> MsgStringTable[3]
void clif_authfail_fd(int fd, int type)
{
	if (!fd || !session[fd] || session[fd]->func_parse != clif_parse) //clif_authfail should only be invoked on players!
		return;

	WFIFOHEAD(fd, packet_len(0x81));
	WFIFOW(fd,0) = 0x81;
	WFIFOB(fd,2) = type;
	WFIFOSET(fd,packet_len(0x81));
	set_eof(fd);
}


/// Notifies the client, whether it can disconnect and change servers (ZC_RESTART_ACK).
/// 00b3 <type>.B
/// type:
///     1 = disconnect, char-select
///     ? = nothing
void clif_charselectok(int id, uint8 ok)
{
	struct map_session_data* sd;
	int fd;

	if ((sd = map_id2sd(id)) == NULL || !sd->fd)
		return;

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0xb3));
	WFIFOW(fd,0) = 0xb3;
	WFIFOB(fd,2) = ok;
	WFIFOSET(fd,packet_len(0xb3));
}

/// Makes an item appear on the ground.
/// 009E <id>.L <name id>.W <identified>.B <x>.W <y>.W <subX>.B <subY>.B <amount>.W (ZC_ITEM_FALL_ENTRY)
/// 084B <id>.L <name id>.W <type>.W <identified>.B <x>.W <y>.W <subX>.B <subY>.B <amount>.W (ZC_ITEM_FALL_ENTRY4)
/// 0ADD <id>.L <name id>.W <type>.W <identified>.B <x>.W <y>.W <subX>.B <subY>.B <amount>.W <show drop effect>.B <drop effect mode>.W (ZC_ITEM_FALL_ENTRY5)
void clif_dropflooritem(struct flooritem_data* fitem, bool canShowEffect)
{
#if PACKETVER >= 20180418
	uint8 buf[22];
	uint32 header = 0xadd;
#elif PACKETVER >= 20130000
	uint8 buf[19];
	uint32 header=0x84b;
#else
	uint8 buf[17];
	uint32 header=0x09e;
#endif
	int view, offset=0;

	nullpo_retv(fitem);

	if (fitem->item.nameid == 0)
		return;

	WBUFW(buf, offset+0) = header;
	WBUFL(buf, offset+2) = fitem->bl.id;
	WBUFW(buf, offset+6) = ((view = itemdb_viewid(fitem->item.nameid)) > 0) ? view : fitem->item.nameid;
#if PACKETVER >= 20130000
	WBUFW(buf, offset+8) = itemtype(fitem->item.nameid);
	offset +=2;
#endif
	WBUFB(buf, offset+8) = fitem->item.identify;
	WBUFW(buf, offset+9) = fitem->bl.x;
	WBUFW(buf, offset+11) = fitem->bl.y;
	WBUFB(buf, offset+13) = fitem->subx;
	WBUFB(buf, offset+14) = fitem->suby;
	WBUFW(buf, offset+15) = fitem->item.amount;
#if PACKETVER >= 20180418
	if( canShowEffect ){
		uint8 dropEffect = itemdb_dropeffect(fitem->item.nameid);

		if( dropEffect > 0 ){
			WBUFB(buf, offset+17) = 1;
			WBUFW(buf, offset+18) = dropEffect - 1;
		}else{
			WBUFB(buf, offset+17) = 0;
			WBUFW(buf, offset+18) = 0;
		}
	}else{
		WBUFB(buf, offset+17) = 0;
		WBUFW(buf, offset+18) = 0;
	}
#endif

	clif_send(buf, packet_len(header), &fitem->bl, AREA);
}



/// Makes an item disappear from the ground.
/// 00a1 <id>.L (ZC_ITEM_DISAPPEAR)
void clif_clearflooritem(struct flooritem_data *fitem, int fd)
{
	unsigned char buf[16];

	nullpo_retv(fitem);

	WBUFW(buf,0) = 0xa1;
	WBUFL(buf,2) = fitem->bl.id;

	if (fd == 0) {
		clif_send(buf, packet_len(0xa1), &fitem->bl, AREA);
	} else {
		WFIFOHEAD(fd,packet_len(0xa1));
		memcpy(WFIFOP(fd,0), buf, packet_len(0xa1));
		WFIFOSET(fd,packet_len(0xa1));
	}
}


/// Makes a unit (char, npc, mob, homun) disappear to one client (ZC_NOTIFY_VANISH).
/// 0080 <id>.L <type>.B
/// type:
///     0 = out of sight
///     1 = died
///     2 = logged out
///     3 = teleport
///     4 = trickdead
void clif_clearunit_single(int id, clr_type type, int fd)
{
	WFIFOHEAD(fd, packet_len(0x80));
	WFIFOW(fd,0) = 0x80;
	WFIFOL(fd,2) = id;
	WFIFOB(fd,6) = type;
	WFIFOSET(fd, packet_len(0x80));
}

/// Makes a unit (char, npc, mob, homun) disappear to all clients in area (ZC_NOTIFY_VANISH).
/// 0080 <id>.L <type>.B
/// type:
///     0 = out of sight
///     1 = died
///     2 = logged out
///     3 = teleport
///     4 = trickdead
void clif_clearunit_area(struct block_list* bl, clr_type type)
{
	unsigned char buf[8];

	nullpo_retv(bl);

	WBUFW(buf,0) = 0x80;
	WBUFL(buf,2) = bl->id;
	WBUFB(buf,6) = type;

	clif_send(buf, packet_len(0x80), bl, type == CLR_DEAD ? AREA : AREA_WOS);

	if(disguised(bl)) {
		WBUFL(buf,2) = -bl->id;
		clif_send(buf, packet_len(0x80), bl, SELF);
	}
}


/// Used to make monsters with player-sprites disappear after dying
/// like normal monsters, because the client does not remove those
/// automatically.
static TIMER_FUNC(clif_clearunit_delayed_sub){
	struct block_list *bl = (struct block_list *)data;
	clif_clearunit_area(bl, (clr_type) id);
	ers_free(delay_clearunit_ers,bl);
	return 0;
}
void clif_clearunit_delayed(struct block_list* bl, clr_type type, t_tick tick)
{
	struct block_list *tbl = ers_alloc(delay_clearunit_ers, struct block_list);
	memcpy (tbl, bl, sizeof (struct block_list));
	add_timer(tick, clif_clearunit_delayed_sub, (int)type, (intptr_t)tbl);
}

void clif_get_weapon_view(struct map_session_data* sd, unsigned short *rhand, unsigned short *lhand)
{
	if(sd->sc.option&OPTION_COSTUME)
	{
		*rhand = *lhand = 0;
		return;
	}

#if PACKETVER < 4
	*rhand = sd->status.weapon;
	*lhand = sd->status.shield;
#else
	if (sd->equip_index[EQI_HAND_R] >= 0 &&
		sd->inventory_data[sd->equip_index[EQI_HAND_R]])
	{
		struct item_data* id = sd->inventory_data[sd->equip_index[EQI_HAND_R]];
		if (id->view_id > 0)
			*rhand = id->view_id;
		else
			*rhand = id->nameid;
	} else
		*rhand = 0;

	if (sd->equip_index[EQI_HAND_L] >= 0 &&
		sd->equip_index[EQI_HAND_L] != sd->equip_index[EQI_HAND_R] &&
		sd->inventory_data[sd->equip_index[EQI_HAND_L]])
	{
		struct item_data* id = sd->inventory_data[sd->equip_index[EQI_HAND_L]];
		if (id->view_id > 0)
			*lhand = id->view_id;
		else
			*lhand = id->nameid;
	} else
		*lhand = 0;
#endif
}

//To make the assignation of the level based on limits clearer/easier. [Skotlex]
static int clif_setlevel_sub(int lv) {
	if( lv < battle_config.max_lv ) {
		;
	} else if( lv < battle_config.aura_lv ) {
		lv = battle_config.max_lv - 1;
	} else {
		lv = battle_config.max_lv;
	}

	return lv;
}

static int clif_setlevel(struct block_list* bl) {
	int lv = status_get_lv(bl);
	if( battle_config.client_limit_unit_lv&bl->type )
		return clif_setlevel_sub(lv);
	switch( bl->type ) {
		case BL_NPC:
		case BL_PET:
			// npcs and pets do not have level
			return 0;
	}
	return lv;
}

/*==========================================
 * Prepares 'unit standing/spawning' packet
 *------------------------------------------*/
static int clif_set_unit_idle(struct block_list* bl, unsigned char* buffer, bool spawn)
{
	struct map_session_data* sd;
	struct status_change* sc = status_get_sc(bl);
	struct view_data* vd = status_get_viewdata(bl);

	unsigned char *buf = WBUFP(buffer, 0);
#if PACKETVER < 20091103
	bool type = !pcdb_checkid(vd->class_);
#endif
	unsigned short offset = 0;
#if PACKETVER >= 20091103
	const char *name;
#endif
	sd = BL_CAST(BL_PC, bl);

#if PACKETVER < 20091103
	if(type)
		WBUFW(buf,0) = spawn ? 0x7c : 0x78;
	else
#endif
#if PACKETVER < 4
		WBUFW(buf,0) = spawn ? 0x79 : 0x78;
#elif PACKETVER < 7
		WBUFW(buf,0) = spawn ? 0x1d9 : 0x1d8;
#elif PACKETVER < 20080102
		WBUFW(buf,0) = spawn ? 0x22b : 0x22a;
#elif PACKETVER < 20091103
		WBUFW(buf,0) = spawn ? 0x2ed : 0x2ee;
#elif PACKETVER < 20101124
		WBUFW(buf,0) = spawn ? 0x7f8 : 0x7f9;
#elif PACKETVER < 20120221
		WBUFW(buf,0) = spawn ? 0x858 : 0x857;
#elif PACKETVER < 20131223
		WBUFW(buf,0) = spawn ? 0x90f : 0x915;
#elif PACKETVER < 20150513
		WBUFW(buf,0) = spawn ? 0x9dc : 0x9dd;
#else
		WBUFW(buf,0) = spawn ? 0x9fe : 0x9ff;
#endif

#if PACKETVER >= 20091103
	name = status_get_name(bl);
#if PACKETVER < 20110111
	WBUFW(buf,2) = (uint16)((spawn ? 62 : 63)+strlen(name));
#elif PACKETVER < 20120221
	WBUFW(buf,2) = (uint16)((spawn ? 64 : 65)+strlen(name));
#elif PACKETVER < 20130807
	WBUFW(buf,2) = (uint16)((spawn ? 77 : 78)+strlen(name));
#else
	WBUFW(buf,2) = (uint16)((spawn ? 79 : 80)+strlen(name));
#endif
	WBUFB(buf,4) = clif_bl_type(bl);
	offset+=3;
	buf = WBUFP(buffer,offset);
#elif PACKETVER >= 20071106
	if (type) { //Non-player packets
		WBUFB(buf,2) = clif_bl_type(bl);
		offset++;
		buf = WBUFP(buffer,offset);
	}
#endif
	WBUFL(buf, 2) = bl->id;
#if PACKETVER >= 20131223
	WBUFL(buf,6) = (sd) ? sd->status.char_id : 0;	// GID/CCODE
	offset+=4;
	buf = WBUFP(buffer,offset);
#endif
	WBUFW(buf, 6) = status_get_speed(bl);
	WBUFW(buf, 8) = (sc)? sc->opt1 : 0;
	WBUFW(buf,10) = (sc)? sc->opt2 : 0;
#if PACKETVER < 20091103
	if (type&&spawn) { //uses an older and different packet structure
		WBUFW(buf,12) = (sc)? sc->option : 0;
		WBUFW(buf,14) = vd->hair_style;
		WBUFW(buf,16) = vd->weapon;
		WBUFW(buf,18) = vd->head_bottom;
		WBUFW(buf,20) = vd->class_; //Pet armor (ignored by client)
		WBUFW(buf,22) = vd->shield;
	} else {
#endif
#if PACKETVER >= 20091103
		WBUFL(buf,12) = (sc)? sc->option : 0;
		offset+=2;
		buf = WBUFP(buffer,offset);
#elif PACKETVER >= 7
		if (!type) {
			WBUFL(buf,12) = (sc)? sc->option : 0;
			offset+=2;
			buf = WBUFP(buffer,offset);
		} else
			WBUFW(buf,12) = (sc)? sc->option : 0;
#else
		WBUFW(buf,12) = (sc)? sc->option : 0;
#endif
		WBUFW(buf,14) = vd->class_;
		WBUFW(buf,16) = vd->hair_style;
		WBUFW(buf,18) = vd->weapon;
#if PACKETVER < 4
		WBUFW(buf,20) = vd->head_bottom;
		WBUFW(buf,22) = vd->shield;
#else
		WBUFW(buf,20) = vd->shield;
		WBUFW(buf,22) = vd->head_bottom;
#endif
#if PACKETVER < 20091103
	}
#endif
	WBUFW(buf,24) = vd->head_top;
	WBUFW(buf,26) = vd->head_mid;

	if( bl->type == BL_NPC && vd->class_ == JT_GUILD_FLAG )
	{	//The hell, why flags work like this?
		WBUFW(buf,22) = status_get_emblem_id(bl);
		WBUFW(buf,24) = GetWord(status_get_guild_id(bl), 1);
		WBUFW(buf,26) = GetWord(status_get_guild_id(bl), 0);
	}

	WBUFW(buf,28) = vd->hair_color;
	WBUFW(buf,30) = vd->cloth_color;
	WBUFW(buf,32) = (sd)? sd->head_dir : 0;
#if PACKETVER < 20091103
	if (type&&spawn) { //End of packet 0x7c
		WBUFB(buf,34) = (sd) ? sd->status.karma : 0; // karma
		WBUFB(buf,35) = vd->sex;
		WBUFPOS(buf,36, bl->x, bl->y, unit_getdir(bl));
		WBUFB(buf,39) = 0;
		WBUFB(buf,40) = 0;
		return packet_len(0x7c);
	}
#endif
#if PACKETVER >= 20110111
	WBUFW(buf,34) = vd->robe;
	offset+= 2;
	buf = WBUFP(buffer,offset);
#endif
	WBUFL(buf,34) = status_get_guild_id(bl);
	WBUFW(buf,38) = status_get_emblem_id(bl);
	WBUFW(buf,40) = (sd)? sd->status.manner : 0;
#if PACKETVER >= 20091103
	WBUFL(buf,42) = (sc)? sc->opt3 : 0;
	offset+=2;
	buf = WBUFP(buffer,offset);
#elif PACKETVER >= 7
	if (!type) {
		WBUFL(buf,42) = (sc)? sc->opt3 : 0;
		offset+=2;
		buf = WBUFP(buffer,offset);
	} else
		WBUFW(buf,42) = (sc)? sc->opt3 : 0;
#else
	WBUFW(buf,42) = (sc)? sc->opt3 : 0;
#endif
	WBUFB(buf,44) = (sd)? sd->status.karma : 0;
	WBUFB(buf,45) = vd->sex;
	WBUFPOS(buf,46,bl->x,bl->y,unit_getdir(bl));
	WBUFB(buf,49) = (sd)? 5 : 0;
	WBUFB(buf,50) = (sd)? 5 : 0;
	if (!spawn) {
		WBUFB(buf,51) = vd->dead_sit;
		offset++;
		buf = WBUFP(buffer,offset);
	}
	WBUFW(buf,51) = clif_setlevel(bl);
#if PACKETVER < 20091103
	if (type) //End for non-player packet
		return packet_len(WBUFW(buffer,0));
#endif
#if PACKETVER >= 20080102
	WBUFW(buf,53) = (sd ? sd->status.font : 0);
#endif
#if PACKETVER >= 20120221
	if ( battle_config.monster_hp_bars_info && !map_getmapflag(bl->m, MF_HIDEMOBHPBAR) && bl->type == BL_MOB && (status_get_hp(bl) < status_get_max_hp(bl)) ) {
		WBUFL(buf,55) = status_get_max_hp(bl);		// maxHP
		WBUFL(buf,59) = status_get_hp(bl);		// HP
	} else {
		WBUFL(buf,55) = -1;		// maxHP
		WBUFL(buf,59) = -1;		// HP
	}

	WBUFB(buf,63) = ( bl->type == BL_MOB && (((TBL_MOB*)bl)->db->mexp > 0) ) ? 1 : 0;		// isBoss
#endif
#if PACKETVER >= 20150513
	WBUFW(buf,64) = vd->body_style;		// body
	offset+= 2;
	buf = WBUFP(buffer,offset);
#endif
#if PACKETVER >= 20091103
#if PACKETVER >= 20120221
	safestrncpy(WBUFCP(buf,64), name, NAME_LENGTH);
#else
	safestrncpy(WBUFCP(buf,55), name, NAME_LENGTH);
#endif
	return WBUFW(buffer,2);
#else
	return packet_len(WBUFW(buffer,0));
#endif
}

/*==========================================
 * Prepares 'unit walking' packet
 *------------------------------------------*/
static int clif_set_unit_walking(struct block_list* bl, struct unit_data* ud, unsigned char* buffer)
{
	struct map_session_data* sd;
	struct status_change* sc = status_get_sc(bl);
	struct view_data* vd = status_get_viewdata(bl);

	unsigned char* buf = WBUFP(buffer,0);
#if PACKETVER >= 7
	unsigned short offset = 0;
#endif
#if PACKETVER >= 20091103
	const char *name;
#endif

	sd = BL_CAST(BL_PC, bl);

#if PACKETVER < 4
	WBUFW(buf, 0) = 0x7b;
#elif PACKETVER < 7
	WBUFW(buf, 0) = 0x1da;
#elif PACKETVER < 20080102
	WBUFW(buf, 0) = 0x22c;
#elif PACKETVER < 20091103
	WBUFW(buf, 0) = 0x2ec;
#elif PACKETVER < 20101124
	WBUFW(buf, 0) = 0x7f7;
#elif PACKETVER < 20120221
	WBUFW(buf, 0) = 0x856;
#elif PACKETVER < 20131223
	WBUFW(buf, 0) = 0x914;
#elif PACKETVER < 20150513
	WBUFW(buf, 0) = 0x9db;
#else
	WBUFW(buf, 0) = 0x9fd;
#endif

#if PACKETVER >= 20091103
	name = status_get_name(bl);
#if PACKETVER < 20110111
	WBUFW(buf, 2) = (uint16)(69+strlen(name));
#elif PACKETVER < 20120221
	WBUFW(buf, 2) = (uint16)(71+strlen(name));
#elif PACKETVER < 20130807
	WBUFW(buf, 2) = (uint16)(84+strlen(name));
#else
	WBUFW(buf, 2) = (uint16)(86+strlen(name));
#endif
	offset+=2;
	buf = WBUFP(buffer,offset);
#endif
#if PACKETVER >= 20071106
	WBUFB(buf, 2) = clif_bl_type(bl);
	offset++;
	buf = WBUFP(buffer,offset);
#endif
	WBUFL(buf, 2) = bl->id;
#if PACKETVER >= 20131223
	WBUFL(buf,6) = (sd) ? sd->status.char_id : 0;	// GID/CCODE
	offset+=4;
	buf = WBUFP(buffer,offset);
#endif
	WBUFW(buf, 6) = status_get_speed(bl);
	WBUFW(buf, 8) = (sc)? sc->opt1 : 0;
	WBUFW(buf,10) = (sc)? sc->opt2 : 0;
#if PACKETVER < 7
	WBUFW(buf,12) = (sc)? sc->option : 0;
#else
	WBUFL(buf,12) = (sc)? sc->option : 0;
	offset+=2; //Shift the rest of elements by 2 bytes.
	buf = WBUFP(buffer,offset);
#endif
	WBUFW(buf,14) = vd->class_;
	WBUFW(buf,16) = vd->hair_style;
	WBUFW(buf,18) = vd->weapon;
#if PACKETVER < 4
	WBUFW(buf,20) = vd->head_bottom;
	WBUFL(buf,22) = client_tick(gettick());
	WBUFW(buf,26) = vd->shield;
#else
	WBUFW(buf,20) = vd->shield;
	WBUFW(buf,22) = vd->head_bottom;
	WBUFL(buf,24) = client_tick(gettick());
#endif
	WBUFW(buf,28) = vd->head_top;
	WBUFW(buf,30) = vd->head_mid;
	WBUFW(buf,32) = vd->hair_color;
	WBUFW(buf,34) = vd->cloth_color;
	WBUFW(buf,36) = (sd)? sd->head_dir : 0;
#if PACKETVER >= 20110111
	WBUFW(buf,38) = vd->robe;
	offset+= 2;
	buf = WBUFP(buffer,offset);
#endif
	WBUFL(buf,38) = status_get_guild_id(bl);
	WBUFW(buf,42) = status_get_emblem_id(bl);
	WBUFW(buf,44) = (sd)? sd->status.manner : 0;
#if PACKETVER < 7
	WBUFW(buf,46) = (sc)? sc->opt3 : 0;
#else
	WBUFL(buf,46) = (sc)? sc->opt3 : 0;
	offset+=2; //Shift the rest of elements by 2 bytes.
	buf = WBUFP(buffer,offset);
#endif
	WBUFB(buf,48) = (sd)? sd->status.karma : 0;
	WBUFB(buf,49) = vd->sex;
	WBUFPOS2(buf,50,bl->x,bl->y,ud->to_x,ud->to_y,8,8);
	WBUFB(buf,56) = (sd)? 5 : 0;
	WBUFB(buf,57) = (sd)? 5 : 0;
	WBUFW(buf,58) = clif_setlevel(bl);
#if PACKETVER >= 20080102
	WBUFW(buf,60) = (sd ? sd->status.font : 0);
#endif
#if PACKETVER >= 20120221
	if ( battle_config.monster_hp_bars_info && !map_getmapflag(bl->m, MF_HIDEMOBHPBAR) && bl->type == BL_MOB && (status_get_hp(bl) < status_get_max_hp(bl)) ) {
		WBUFL(buf,62) = status_get_max_hp(bl);		// maxHP
		WBUFL(buf,66) = status_get_hp(bl);		// HP
	} else {
		WBUFL(buf,62) = -1;		// maxHP
		WBUFL(buf,66) = -1;		// HP
	}

	WBUFB(buf,70) = ( bl->type == BL_MOB && (((TBL_MOB*)bl)->db->mexp > 0) ) ? 1 : 0;		// isBoss
#endif
#if PACKETVER >= 20150513
	WBUFW(buf,71) = vd->body_style;		// body
	offset+= 2;
	buf = WBUFP(buffer,offset);
#endif
#if PACKETVER >= 20091103
#if PACKETVER >= 20120221
	safestrncpy(WBUFCP(buf,71), name, NAME_LENGTH);
#else
	safestrncpy(WBUFCP(buf,62), name, NAME_LENGTH);
#endif
	return WBUFW(buffer,2);
#else
	return packet_len(WBUFW(buffer,0));
#endif
}

//Modifies the buffer for disguise characters and sends it to self.
//Used for spawn/walk packets, where the ID offset changes for packetver >=9
static void clif_setdisguise(struct block_list *bl, unsigned char *buf,int len)
{
#if PACKETVER >= 20091103
	WBUFB(buf,4)= pcdb_checkid(status_get_viewdata(bl)->class_) ? 0x0 : 0x5; //PC_TYPE : NPC_MOB_TYPE
	WBUFL(buf,5)=-bl->id;
#elif PACKETVER >= 20071106
	WBUFB(buf,2)= pcdb_checkid(status_get_viewdata(bl)->class_) ? 0x0 : 0x5; //PC_TYPE : NPC_MOB_TYPE
	WBUFL(buf,3)=-bl->id;
#else
	WBUFL(buf,2)=-bl->id;
#endif
	clif_send(buf, len, bl, SELF);
}


/// Changes sprite of an NPC object (ZC_NPCSPRITE_CHANGE).
/// 01b0 <id>.L <type>.B <value>.L
/// type:
///     unused
void clif_class_change_target(struct block_list *bl,int class_,int type, enum send_target target, struct map_session_data *sd)
{
	nullpo_retv(bl);

	if(!pcdb_checkid(class_))
	{// player classes yield missing sprites
		unsigned char buf[16];
		WBUFW(buf,0)=0x1b0;
		WBUFL(buf,2)=bl->id;
		WBUFB(buf,6)=type;
		WBUFL(buf,7)=class_;
		clif_send(buf,packet_len(0x1b0),(sd == NULL ? bl : &(sd->bl)),target);
	}
}


/// Notifies the client of an object's spirits.
/// 01d0 <id>.L <amount>.W (ZC_SPIRITS)
/// 01e1 <id>.L <amount>.W (ZC_SPIRITS2)
static void clif_spiritball_single(int fd, struct map_session_data *sd)
{
	WFIFOHEAD(fd, packet_len(0x1e1));
	WFIFOW(fd,0)=0x1e1;
	WFIFOL(fd,2)=sd->bl.id;
	WFIFOW(fd,6)=sd->spiritball;
	WFIFOSET(fd, packet_len(0x1e1));
}

/*==========================================
 * Kagerou/Oboro amulet spirit
 *------------------------------------------*/
static void clif_spiritcharm_single(int fd, struct map_session_data *sd)
{
	WFIFOHEAD(fd, packet_len(0x08cf));
	WFIFOW(fd,0)=0x08cf;
	WFIFOL(fd,2)=sd->bl.id;
	WFIFOW(fd,6)=sd->spiritcharm_type;
	WFIFOW(fd,8)=sd->spiritcharm;
	WFIFOSET(fd, packet_len(0x08cf));
}

/*==========================================
 * Run when player changes map / refreshes
 * Tells its client to display all weather settings being used by this map
 *------------------------------------------*/
static void clif_weather_check(struct map_session_data *sd)
{
	int16 m = sd->bl.m;
	int fd = sd->fd;

	if (map_getmapflag(m, MF_SNOW)
		|| map_getmapflag(m, MF_CLOUDS)
		|| map_getmapflag(m, MF_FOG)
		|| map_getmapflag(m, MF_FIREWORKS)
		|| map_getmapflag(m, MF_SAKURA)
		|| map_getmapflag(m, MF_LEAVES)
		|| map_getmapflag(m, MF_CLOUDS2))
	{
		if (map_getmapflag(m, MF_SNOW))
			clif_specialeffect_single(&sd->bl, EF_SNOW, fd);
		if (map_getmapflag(m, MF_CLOUDS))
			clif_specialeffect_single(&sd->bl, EF_CLOUD3, fd);
		if (map_getmapflag(m, MF_CLOUDS2))
			clif_specialeffect_single(&sd->bl, EF_CLOUD5, fd);
		if (map_getmapflag(m, MF_FOG))
			clif_specialeffect_single(&sd->bl, EF_CLOUD4, fd);
		if (map_getmapflag(m, MF_FIREWORKS)) {
			clif_specialeffect_single(&sd->bl, EF_POKJUK, fd);
			clif_specialeffect_single(&sd->bl, EF_THROWITEM2, fd);
			clif_specialeffect_single(&sd->bl, EF_POKJUK_SOUND, fd);
		}
		if (map_getmapflag(m, MF_SAKURA))
			clif_specialeffect_single(&sd->bl, EF_SAKURA, fd);
		if (map_getmapflag(m, MF_LEAVES))
			clif_specialeffect_single(&sd->bl, EF_MAPLE, fd);
	}
}
/**
 * Run when the weather on a map changes, throws all players in map id 'm' to clif_weather_check function
 **/
void clif_weather(int16 m)
{
	struct s_mapiterator* iter;
	struct map_session_data *sd=NULL;

	iter = mapit_getallusers();
	for( sd = (struct map_session_data*)mapit_first(iter); mapit_exists(iter); sd = (struct map_session_data*)mapit_next(iter) )
	{
		if( sd->bl.m == m )
			clif_weather_check(sd);
	}
	mapit_free(iter);
}
/**
 * Main function to spawn a unit on the client (player/mob/pet/etc)
 **/
int clif_spawn(struct block_list *bl)
{
	unsigned char buf[128];
	struct view_data *vd;
	int len;

	vd = status_get_viewdata(bl);
	if( !vd || vd->class_ == JT_INVISIBLE )
		return 0;

	/**
	* Hide NPC from maya purple card.
	**/
	if(bl->type == BL_NPC && !((TBL_NPC*)bl)->chat_id && (((TBL_NPC*)bl)->sc.option&OPTION_INVISIBLE))
		return 0;

	len = clif_set_unit_idle(bl, buf,true);
	clif_send(buf, len, bl, AREA_WOS);
	if (disguised(bl))
		clif_setdisguise(bl, buf, len);

	if (vd->cloth_color)
		clif_refreshlook(bl,bl->id,LOOK_CLOTHES_COLOR,vd->cloth_color,AREA_WOS);
	if (vd->body_style)
		clif_refreshlook(bl,bl->id,LOOK_BODY2,vd->body_style,AREA_WOS);

	switch (bl->type)
	{
	case BL_PC:
		{
			TBL_PC *sd = ((TBL_PC*)bl);

			if (sd->spiritball > 0)
				clif_spiritball(&sd->bl);
			if(sd->state.size==SZ_BIG) // tiny/big players [Valaris]
				clif_specialeffect(bl,EF_GIANTBODY2,AREA);
			else if(sd->state.size==SZ_MEDIUM)
				clif_specialeffect(bl,EF_BABYBODY2,AREA);
			if( sd->bg_id && map_getmapflag(sd->bl.m, MF_BATTLEGROUND) )
				clif_sendbgemblem_area(sd);
			if (sd->spiritcharm_type != CHARM_TYPE_NONE && sd->spiritcharm > 0)
				clif_spiritcharm(sd);
			if (sd->status.robe)
				clif_refreshlook(bl,bl->id,LOOK_ROBE,sd->status.robe,AREA);
			clif_efst_status_change_sub(bl, bl, AREA);
			clif_hat_effects(sd,bl,AREA);
		}
		break;
	case BL_MOB:
		{
			TBL_MOB *md = ((TBL_MOB*)bl);
			if(md->special_state.size==SZ_BIG) // tiny/big mobs [Valaris]
				clif_specialeffect(&md->bl,EF_GIANTBODY2,AREA);
			else if(md->special_state.size==SZ_MEDIUM)
				clif_specialeffect(&md->bl,EF_BABYBODY2,AREA);
		}
		break;
	case BL_NPC:
		{
			TBL_NPC *nd = ((TBL_NPC*)bl);
			if( nd->size == SZ_BIG )
				clif_specialeffect(&nd->bl,EF_GIANTBODY2,AREA);
			else if( nd->size == SZ_MEDIUM )
				clif_specialeffect(&nd->bl,EF_BABYBODY2,AREA);
			clif_efst_status_change_sub(bl, bl, AREA);
			clif_progressbar_npc_area(nd);
		}
		break;
	case BL_PET:
		if (vd->head_bottom)
			clif_pet_equip_area((TBL_PET*)bl); // needed to display pet equip properly
		break;
	}
	return 0;
}

/// Sends information about owned homunculus to the client . [orn]
/// 022e <name>.24B <modified>.B <level>.W <hunger>.W <intimacy>.W <equip id>.W <atk>.W <matk>.W <hit>.W <crit>.W <def>.W <mdef>.W <flee>.W <aspd>.W <hp>.W <max hp>.W <sp>.W <max sp>.W <exp>.L <max exp>.L <skill points>.W <atk range>.W	(ZC_PROPERTY_HOMUN)
/// 09f7 <name>.24B <modified>.B <level>.W <hunger>.W <intimacy>.W <equip id>.W <atk>.W <matk>.W <hit>.W <crit>.W <def>.W <mdef>.W <flee>.W <aspd>.W <hp>.L <max hp>.L <sp>.W <max sp>.W <exp>.L <max exp>.L <skill points>.W <atk range>.W (ZC_PROPERTY_HOMUN_2)
void clif_hominfo(struct map_session_data *sd, struct homun_data *hd, int flag)
{
	struct status_data *status;
	unsigned char buf[128];
	int offset;
#if PACKETVER < 20141016
	const int cmd = 0x22e;
#else
	const int cmd = 0x9f7;
#endif
	int htype;

	nullpo_retv(hd);

	if (!clif_session_isValid(sd))
		return;

	status = &hd->battle_status;
	htype = hom_class2type(hd->homunculus.class_);

	memset(buf,0,packet_len(cmd));
	WBUFW(buf,0) = cmd;
	safestrncpy(WBUFCP(buf,2), hd->homunculus.name, NAME_LENGTH);
	// Bit field, bit 0 : rename_flag (1 = already renamed), bit 1 : homunc vaporized (1 = true), bit 2 : homunc dead (1 = true)
	WBUFB(buf,26) = (battle_config.hom_rename ? 0 : hd->homunculus.rename_flag) | (hd->homunculus.vaporize << 1) | (hd->homunculus.hp ? 0 : 4);
	WBUFW(buf,27) = hd->homunculus.level;
	WBUFW(buf,29) = hd->homunculus.hunger;
	WBUFW(buf,31) = (unsigned short) (hd->homunculus.intimacy / 100) ;
	WBUFW(buf,33) = 0; // equip id
	WBUFW(buf,35) = cap_value(status->rhw.atk2 + status->batk, 0, INT16_MAX);
	WBUFW(buf,37)=i16min(status->matk_max, INT16_MAX); //FIXME capping to INT16 here is too late
	WBUFW(buf,39)=status->hit;
	if (battle_config.hom_setting&HOMSET_DISPLAY_LUK)
		WBUFW(buf,41) = status->luk/3 + 1;	//crit is a +1 decimal value! Just display purpose.[Vicious]
	else
		WBUFW(buf,41) = status->cri/10;
#ifdef RENEWAL
	WBUFW(buf,43) = status->def + status->def2;
	WBUFW(buf,45) = status->mdef + status->mdef2;
#else
	WBUFW(buf,43) = status->def + status->vit;
	WBUFW(buf,45) = status->mdef;
#endif
	WBUFW(buf,47) = status->flee;
	WBUFW(buf,49) = (flag) ? 0 : status->amotion;
#if PACKETVER >= 20141016
	// Homunculus HP bar will screw up if the percentage calculation exceeds signed values
	// Tested maximum: 21474836(=INT32_MAX/100), any value above will screw up the HP bar
	if (status->max_hp > (INT32_MAX/100)) {
		WBUFL(buf,51) = status->hp/(status->max_hp/100);
		WBUFL(buf,55) = 100;
	} else {
		WBUFL(buf,51) = status->hp;
		WBUFL(buf,55) = status->max_hp;
	}
	offset = 4;
#else
	if (status->max_hp > INT16_MAX) {
		WBUFW(buf,51) = status->hp/(status->max_hp/100);
		WBUFW(buf,53) = 100;
	} else {
		WBUFW(buf,51) = status->hp;
		WBUFW(buf,53) = status->max_hp;
	}
	offset = 0;
#endif
	if (status->max_sp > INT16_MAX) {
		WBUFW(buf,55+offset) = status->sp/(status->max_sp/100);
		WBUFW(buf,57+offset) = 100;
	} else {
		WBUFW(buf,55+offset) = status->sp;
		WBUFW(buf,57+offset) = status->max_sp;
	}
	WBUFL(buf,59+offset) = hd->homunculus.exp;
	WBUFL(buf,63+offset) = hd->exp_next;
	switch( htype ) {
		case HT_REG:
		case HT_EVO:
			if( hd->homunculus.level >= battle_config.hom_max_level )
				WBUFL(buf,63+offset) = 0;
			break;
		case HT_S:
			if( hd->homunculus.level >= battle_config.hom_S_max_level )
				WBUFL(buf,63+offset) = 0;
			break;
	}
	WBUFW(buf,67+offset) = hd->homunculus.skillpts;
	WBUFW(buf,69+offset) = status_get_range(&hd->bl);
	clif_send(buf,packet_len(cmd),&sd->bl,SELF);
}


/// Notification about a change in homunuculus' state (ZC_CHANGESTATE_MER).
/// 0230 <type>.B <state>.B <id>.L <data>.L
/// type:
///     unused
/// state:
///     0 = pre-init
///     1 = intimacy
///     2 = hunger
///     3 = accessory?
///     ? = ignored
void clif_send_homdata(struct map_session_data *sd, int state, int param)
{	//[orn]
	int fd = sd->fd;

	if ( (state == SP_INTIMATE) && (param >= 910) && (sd->hd->homunculus.class_ == sd->hd->homunculusDB->evo_class) )
		hom_calc_skilltree(sd->hd, 0);

	WFIFOHEAD(fd, packet_len(0x230));
	WFIFOW(fd,0)=0x230;
	WFIFOB(fd,2)=0;
	WFIFOB(fd,3)=state;
	WFIFOL(fd,4)=sd->hd->bl.id;
	WFIFOL(fd,8)=param;
	WFIFOSET(fd,packet_len(0x230));
}


int clif_homskillinfoblock(struct map_session_data *sd)
{	//[orn]
	struct homun_data *hd;
	int fd = sd->fd;
	int i, len=4;

	nullpo_ret(sd);

	hd = sd->hd;
	if ( !hd )
		return 0 ;

	WFIFOHEAD(fd, 4+37*MAX_HOMUNSKILL);
	WFIFOW(fd,0)=0x235;
	for ( i = 0; i < MAX_HOMUNSKILL; i++){
		int id = hd->homunculus.hskill[i].id;
		if( id != 0 ){
			int combo = (hd->homunculus.hskill[i].flag)&SKILL_FLAG_TMP_COMBO;
			short idx = hom_skill_get_index(id);
			if (idx == -1)
				continue;
			WFIFOW(fd,len  ) = id;
			WFIFOW(fd,len+2) = ((combo)?INF_SELF_SKILL:skill_get_inf(id));
			WFIFOW(fd,len+4) = 0;
			WFIFOW(fd,len+6) = hd->homunculus.hskill[idx].lv;
			WFIFOW(fd,len+8) = skill_get_sp(id,hd->homunculus.hskill[idx].lv);
			WFIFOW(fd,len+10)= skill_get_range2(&sd->hd->bl,id,hd->homunculus.hskill[idx].lv,false);
			safestrncpy(WFIFOCP(fd,len+12), skill_get_name(id), NAME_LENGTH);
			WFIFOB(fd,len+36) = (hd->homunculus.level < hom_skill_get_min_level(hd->homunculus.class_, id) || hd->homunculus.hskill[idx].lv >= hom_skill_tree_get_max(id, hd->homunculus.class_)) ? 0 : 1;
			len+=37;
		}
	}
	WFIFOW(fd,2)=len;
	WFIFOSET(fd,len);

	return 0;
}

void clif_homskillup(struct map_session_data *sd, uint16 skill_id)
{	//[orn]
	struct homun_data *hd;
	int fd;
	short idx = -1;
	nullpo_retv(sd);

	if ((idx = hom_skill_get_index(skill_id)) == -1)
		return;

	fd = sd->fd;
	hd = sd->hd;

	WFIFOHEAD(fd, packet_len(0x239));
	WFIFOW(fd,0) = 0x239;
	WFIFOW(fd,2) = skill_id;
	WFIFOW(fd,4) = hd->homunculus.hskill[idx].lv;
	WFIFOW(fd,6) = skill_get_sp(skill_id,hd->homunculus.hskill[idx].lv);
	WFIFOW(fd,8) = skill_get_range2(&hd->bl,skill_id,hd->homunculus.hskill[idx].lv,false);
	WFIFOB(fd,10) = (hd->homunculus.level < hom_skill_get_min_level(hd->homunculus.class_, skill_id) || hd->homunculus.hskill[idx].lv >= hom_skill_tree_get_max(hd->homunculus.hskill[idx].id, hd->homunculus.class_)) ? 0 : 1;
	WFIFOSET(fd,packet_len(0x239));
}

int clif_hom_food(struct map_session_data *sd,int foodid,int fail)	//[orn]
{
	int fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x22f));
	WFIFOW(fd,0)=0x22f;
	WFIFOB(fd,2)=fail;
	WFIFOW(fd,3)=foodid;
	WFIFOSET(fd,packet_len(0x22f));

	return 0;
}


/// Notifies the client, that it is walking (ZC_NOTIFY_PLAYERMOVE).
/// 0087 <walk start time>.L <walk data>.6B
void clif_walkok(struct map_session_data *sd)
{
	int fd=sd->fd;

	WFIFOHEAD(fd, packet_len(0x87));
	WFIFOW(fd,0)=0x87;
	WFIFOL(fd,2)=client_tick(gettick());
	WFIFOPOS2(fd,6,sd->bl.x,sd->bl.y,sd->ud.to_x,sd->ud.to_y,8,8);
	WFIFOSET(fd,packet_len(0x87));
}


static void clif_move2(struct block_list *bl, struct view_data *vd, struct unit_data *ud)
{
	uint8 buf[128];
	int len;
	struct status_change *sc = NULL;

	if ((sc = status_get_sc(bl)) && sc->option&(OPTION_HIDE|OPTION_CLOAK|OPTION_INVISIBLE|OPTION_CHASEWALK))
		clif_ally_only = true;

	len = clif_set_unit_walking(bl,ud,buf);
	clif_send(buf,len,bl,AREA_WOS);
	if (disguised(bl))
		clif_setdisguise(bl, buf, len);

	if(vd->cloth_color)
		clif_refreshlook(bl,bl->id,LOOK_CLOTHES_COLOR,vd->cloth_color,AREA_WOS);
	if(vd->body_style)
		clif_refreshlook(bl,bl->id,LOOK_BODY2,vd->body_style,AREA_WOS);

	switch(bl->type) {
	case BL_PC:
		{
			TBL_PC *sd = ((TBL_PC*)bl);
//			clif_movepc(sd);
			if(sd->state.size==SZ_BIG) // tiny/big players [Valaris]
				clif_specialeffect(&sd->bl,EF_GIANTBODY2,AREA);
			else if(sd->state.size==SZ_MEDIUM)
				clif_specialeffect(&sd->bl,EF_BABYBODY2,AREA);
			if (sd->status.robe)
				clif_refreshlook(bl,bl->id,LOOK_ROBE,sd->status.robe,AREA);
		}
		break;
	case BL_MOB:
		{
			TBL_MOB *md = ((TBL_MOB*)bl);
			if(md->special_state.size==SZ_BIG) // tiny/big mobs [Valaris]
				clif_specialeffect(&md->bl,EF_GIANTBODY2,AREA);
			else if(md->special_state.size==SZ_MEDIUM)
				clif_specialeffect(&md->bl,EF_BABYBODY2,AREA);
		}
		break;
	case BL_PET:
		if(vd->head_bottom) // needed to display pet equip properly
			clif_pet_equip_area((TBL_PET*)bl);
		break;
	}
	clif_ally_only = false;
}


/// Notifies clients in an area, that an other visible object is walking (ZC_NOTIFY_PLAYERMOVE).
/// 0086 <id>.L <walk data>.6B <walk start time>.L
/// Note: unit must not be self
void clif_move(struct unit_data *ud)
{
	unsigned char buf[16];
	struct view_data* vd;
	struct block_list* bl = ud->bl;
	struct status_change *sc = NULL;

	vd = status_get_viewdata(bl);
	if (!vd )
		return;
	//This performance check is needed to keep GM-hidden objects from being notified to bots.
	else if( vd->class_ == JT_INVISIBLE ){
		// If the player was disguised we still need to update the disguised unit, since the main unit will be updated through clif_walkok
		if(disguised(bl)) {
			WBUFW(buf,0)=0x86;
			WBUFL(buf,2)=-bl->id;
			WBUFPOS2(buf,6,bl->x,bl->y,ud->to_x,ud->to_y,8,8);
			WBUFL(buf,12)=client_tick(gettick());
			clif_send(buf, packet_len(0x86), bl, SELF);
		}
		return;
	}

	/**
	* Hide NPC from maya purple card.
	**/
	if(bl->type == BL_NPC && !((TBL_NPC*)bl)->chat_id && (((TBL_NPC*)bl)->sc.option&OPTION_INVISIBLE))
		return;

	if (ud->state.speed_changed) {
		// Since we don't know how to update the speed of other objects,
		// use the old walk packet to update the data.
		ud->state.speed_changed = 0;
		clif_move2(bl, vd, ud);
		return;
	}

	if ((sc = status_get_sc(bl)) && sc->option&(OPTION_HIDE|OPTION_CLOAK|OPTION_INVISIBLE|OPTION_CHASEWALK))
		clif_ally_only = true;

	WBUFW(buf,0)=0x86;
	WBUFL(buf,2)=bl->id;
	WBUFPOS2(buf,6,bl->x,bl->y,ud->to_x,ud->to_y,8,8);
	WBUFL(buf,12)=client_tick(gettick());
	clif_send(buf, packet_len(0x86), bl, AREA_WOS);
	if (disguised(bl)) {
		WBUFL(buf,2)=-bl->id;
		clif_send(buf, packet_len(0x86), bl, SELF);
	}
	clif_ally_only = false;
}


/*==========================================
 * Delays the map_quit of a player after they are disconnected. [Skotlex]
 *------------------------------------------*/
static TIMER_FUNC(clif_delayquit){
	struct map_session_data *sd = NULL;

	//Remove player from map server
	if ((sd = map_id2sd(id)) != NULL && sd->fd == 0) //Should be a disconnected player.
		map_quit(sd);
	return 0;
}

/*==========================================
 *
 *------------------------------------------*/
void clif_quitsave(int fd,struct map_session_data *sd) {
	if (!battle_config.prevent_logout ||
		sd->canlog_tick == 0 ||
		DIFF_TICK(gettick(), sd->canlog_tick) > battle_config.prevent_logout)
		map_quit(sd);
	else if (sd->fd) {
		//Disassociate session from player (session is deleted after this function was called)
		//And set a timer to make him quit later.
		session[sd->fd]->session_data = NULL;
		sd->fd = 0;
		add_timer(gettick() + 10000, clif_delayquit, sd->bl.id, 0);
	}
}

/// Notifies the client of a position change to coordinates on given map (ZC_NPCACK_MAPMOVE).
/// 0091 <map name>.16B <x>.W <y>.W
void clif_changemap(struct map_session_data *sd, short m, int x, int y)
{
	int fd;
	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x91));
	WFIFOW(fd,0) = 0x91;
	mapindex_getmapname_ext(map_mapid2mapname(m), WFIFOCP(fd,2));
	WFIFOW(fd,18) = x;
	WFIFOW(fd,20) = y;
	WFIFOSET(fd,packet_len(0x91));
}


/// Notifies the client of a position change to coordinates on given map, which is on another map-server.
/// 0092 <map name>.16B <x>.W <y>.W <ip>.L <port>.W (ZC_NPCACK_SERVERMOVE)
/// 0ac7 <map name>.16B <x>.W <y>.W <ip>.L <port>.W <unknown>.128B (ZC_NPCACK_SERVERMOVE2)
void clif_changemapserver(struct map_session_data* sd, unsigned short map_index, int x, int y, uint32 ip, uint16 port)
{
	int fd;
#if PACKETVER >= 20170315
	int cmd = 0xac7;
#else
	int cmd = 0x92;
#endif
	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd,0) = cmd;
	mapindex_getmapname_ext(mapindex_id2name(map_index), WFIFOCP(fd,2));
	WFIFOW(fd,18) = x;
	WFIFOW(fd,20) = y;
	WFIFOL(fd,22) = htonl(ip);
	WFIFOW(fd,26) = ntows(htons(port)); // [!] LE byte order here [!]
#if PACKETVER >= 20170315
	memset(WFIFOP(fd, 28), 0, 128); // Unknown
#endif
	WFIFOSET(fd,packet_len(cmd));
}


/// In many situations (knockback, backslide, etc.) Aegis sends both clif_slide and clif_fixpos
/// This function combines both calls and allows to simplify the calling code
void clif_blown(struct block_list *bl)
{
	clif_slide(bl, bl->x, bl->y);
	clif_fixpos(bl);
}


/// Visually moves(slides) a character to x,y. If the target cell
/// isn't walkable, the char doesn't move at all. If the char is
/// sitting it will stand up (ZC_STOPMOVE).
/// 0088 <id>.L <x>.W <y>.W
void clif_fixpos(struct block_list *bl)
{
	unsigned char buf[10];
	nullpo_retv(bl);

	WBUFW(buf,0) = 0x88;
	WBUFL(buf,2) = bl->id;
	WBUFW(buf,6) = bl->x;
	WBUFW(buf,8) = bl->y;
	clif_send(buf, packet_len(0x88), bl, AREA);

	if( disguised(bl) ) {
		WBUFL(buf,2) = -bl->id;
		clif_send(buf, packet_len(0x88), bl, SELF);
	}
}


/// Displays the buy/sell dialog of an NPC shop (ZC_SELECT_DEALTYPE).
/// 00c4 <shop id>.L
void clif_npcbuysell(struct map_session_data* sd, int id)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0xc4));
	WFIFOW(fd,0)=0xc4;
	WFIFOL(fd,2)=id;
	WFIFOSET(fd,packet_len(0xc4));
}


/// Presents list of items, that can be bought in an NPC shop (ZC_PC_PURCHASE_ITEMLIST).
/// 00c6 <packet len>.W { <price>.L <discount price>.L <item type>.B <name id>.W }*
void clif_buylist(struct map_session_data *sd, struct npc_data *nd)
{
	int fd,i,c;
	bool discount;

	nullpo_retv(sd);
	nullpo_retv(nd);

	fd = sd->fd;
	WFIFOHEAD(fd, 4 + nd->u.shop.count * 11);
	WFIFOW(fd,0) = 0xc6;

	c = 0;
	discount = npc_shop_discount(nd->subtype,nd->u.shop.discount);
	for( i = 0; i < nd->u.shop.count; i++ )
	{
		struct item_data* id = itemdb_exists(nd->u.shop.shop_item[i].nameid);
		int val = nd->u.shop.shop_item[i].value;
		if( id == NULL )
			continue;
		WFIFOL(fd, 4+c*11) = val;
		WFIFOL(fd, 8+c*11) = (discount) ? pc_modifybuyvalue(sd,val) : val;
		WFIFOB(fd,12+c*11) = itemtype(id->nameid);
		WFIFOW(fd,13+c*11) = ( id->view_id > 0 ) ? id->view_id : id->nameid;
		c++;
	}

	WFIFOW(fd,2) = 4 + c*11;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Presents list of items, that can be sold to an NPC shop (ZC_PC_SELL_ITEMLIST).
/// 00c7 <packet len>.W { <index>.W <price>.L <overcharge price>.L }*
void clif_selllist(struct map_session_data *sd)
{
	int fd,i,c=0,val;
	struct npc_data *nd;

	nullpo_retv(sd);
	if (!sd->npc_shopid || (nd = map_id2nd(sd->npc_shopid)) == NULL)
		return;

	fd=sd->fd;
	WFIFOHEAD(fd, MAX_INVENTORY * 10 + 4);
	WFIFOW(fd,0)=0xc7;
	for( i = 0; i < MAX_INVENTORY; i++ )
	{
		if( sd->inventory.u.items_inventory[i].nameid > 0 && sd->inventory_data[i] )
		{
			if( !pc_can_sell_item(sd, &sd->inventory.u.items_inventory[i], nd->subtype))
				continue;

			val=sd->inventory_data[i]->value_sell;
			if( val < 0 )
				continue;
			WFIFOW(fd,4+c*10)=i+2;
			WFIFOL(fd,6+c*10)=val;
			WFIFOL(fd,10+c*10)=pc_modifysellvalue(sd,val);
			c++;
		}
	}
	WFIFOW(fd,2)=c*10+4;
	WFIFOSET(fd,WFIFOW(fd,2));
}

/// Closes shop (CZ_NPC_TRADE_QUIT).
/// 09d4
void clif_parse_NPCShopClosed(int fd, struct map_session_data *sd) {
	// TODO: State tracking?
	sd->npc_shopid = 0;
}

/**
 * Presents list of items, that can be sold to a Market shop.
 * @author: Ind and Yommy
 **/
void clif_npc_market_open(struct map_session_data *sd, struct npc_data *nd) {
#if PACKETVER >= 20131223
	struct npc_item_list *shop = nd->u.shop.shop_item;
	unsigned short shop_size = nd->u.shop.count, i, c, cmd = 0x9d5;
	struct item_data *id = NULL;
	struct s_packet_db *info;
	int fd;

	nullpo_retv(sd);

	if (sd->state.trading)
		return;

	info = &packet_db[cmd];
	if (!info || info->len == 0)
		return;

	fd = sd->fd;

	WFIFOHEAD(fd, 4 + shop_size * 13);
	WFIFOW(fd,0) = cmd;

	for (i = 0, c = 0; i < shop_size; i++) {
		if (shop[i].nameid && (id = itemdb_exists(shop[i].nameid))) {
			WFIFOW(fd, 4+c*13) = shop[i].nameid;
			WFIFOB(fd, 6+c*13) = itemtype(id->nameid);
			WFIFOL(fd, 7+c*13) = shop[i].value;
			WFIFOL(fd,11+c*13) = shop[i].qty;
			WFIFOW(fd,15+c*13) = id->weight;
			c++;
		}
	}

	WFIFOW(fd,2) = 4 + c*13;
	WFIFOSET(fd,WFIFOW(fd,2));
	sd->state.trading = 1;
#endif
}


/// Closes the Market shop window.
void clif_parse_NPCMarketClosed(int fd, struct map_session_data *sd) {
	nullpo_retv(sd);
	sd->npc_shopid = 0;
	sd->state.trading = 0;
}


/// Purchase item from Market shop.
void clif_npc_market_purchase_ack(struct map_session_data *sd, uint8 res, uint8 n, struct s_npc_buy_list *list) {
#if PACKETVER >= 20131223
	unsigned short cmd = 0x9d7, len = 0;
	struct npc_data* nd;
	uint8 result = (res == 0 ? 1 : 0);
	int fd = 0;
	struct s_packet_db *info;

	nullpo_retv(sd);
	nullpo_retv((nd = map_id2nd(sd->npc_shopid)));

	info = &packet_db[cmd];
	if (!info || info->len == 0)
		return;

	fd = sd->fd;
	len = 5 + 8*n;

	WFIFOHEAD(fd, len);
	WFIFOW(fd, 0) = cmd;
	WFIFOW(fd, 2) = len;

	if (result) {
		uint8 i, j;
		struct npc_item_list *shop = nd->u.shop.shop_item;
		unsigned short count = nd->u.shop.count;

		for (i = 0; i < n; i++) {
			WFIFOW(fd, 5+i*8) = list[i].nameid;
			WFIFOW(fd, 7+i*8) = list[i].qty;

			ARR_FIND(0, count, j, list[i].nameid == shop[j].nameid);
			WFIFOL(fd, 9+i*8) = (j != count) ? shop[j].value : 0;
		}
	}

	WFIFOB(fd, 4) = n;
	WFIFOSET(fd, len);
#endif
}


/// Purchase item from Market shop.
void clif_parse_NPCMarketPurchase(int fd, struct map_session_data *sd) {
#if PACKETVER >= 20131223
	struct s_packet_db* info;
	struct s_npc_buy_list *item_list;
	uint16 len = 0, i = 0;
	uint8 res = 0, n = 0;

	nullpo_retv(sd);

	if (!sd->npc_shopid)
		return;

	info = &packet_db[RFIFOW(fd,0)];
	if (!info || info->len == 0)
		return;
	len = RFIFOW(fd,info->pos[0]);
	n = (len-4) / 6;

	CREATE(item_list, struct s_npc_buy_list, n);
	for (i = 0; i < n; i++) {
		item_list[i].nameid = RFIFOW(fd,info->pos[1]+i*6);
		item_list[i].qty    = (uint16)min(RFIFOL(fd,info->pos[2]+i*6),USHRT_MAX);
	}

	res = npc_buylist(sd, n, item_list);
	clif_npc_market_purchase_ack(sd, res, n, item_list);
	aFree(item_list);
#endif
}


/// Displays an NPC dialog message (ZC_SAY_DIALOG).
/// 00b4 <packet len>.W <npc id>.L <message>.?B
/// Client behavior (dialog window):
/// - disable mouse targeting
/// - open the dialog window
/// - set npcid of dialog window (0 by default)
/// - if set to clear on next mes, clear contents
/// - append this text
void clif_scriptmes(struct map_session_data *sd, int npcid, const char *mes)
{
	int fd = sd->fd;
	int slen = strlen(mes) + 9;

	WFIFOHEAD(fd, slen);
	WFIFOW(fd,0)=0xb4;
	WFIFOW(fd,2)=slen;
	WFIFOL(fd,4)=npcid;
	memcpy(WFIFOCP(fd,8), mes, slen-8);
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Adds a 'next' button to an NPC dialog (ZC_WAIT_DIALOG).
/// 00b5 <npc id>.L
/// Client behavior (dialog window):
/// - disable mouse targeting
/// - open the dialog window
/// - add 'next' button
/// When 'next' is pressed:
/// - 00B9 <npcid of dialog window>.L
/// - set to clear on next mes
/// - remove 'next' button
void clif_scriptnext(struct map_session_data *sd,int npcid)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0xb5));
	WFIFOW(fd,0)=0xb5;
	WFIFOL(fd,2)=npcid;
	WFIFOSET(fd,packet_len(0xb5));
}


/// Adds a 'close' button to an NPC dialog (ZC_CLOSE_DIALOG).
/// 00b6 <npc id>.L
/// Client behavior:
/// - if dialog window is open:
///   - remove 'next' button
///   - add 'close' button
/// - else:
///   - enable mouse targeting
///   - close the dialog window
///   - close the menu window
/// When 'close' is pressed:
/// - enable mouse targeting
/// - close the dialog window
/// - close the menu window
/// - 0146 <npcid of dialog window>.L
void clif_scriptclose(struct map_session_data *sd, int npcid)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0xb6));
	WFIFOW(fd,0)=0xb6;
	WFIFOL(fd,2)=npcid;
	WFIFOSET(fd,packet_len(0xb6));
}

/**
 * Close script when player is idle
 * 08d6 <npc id>.L (ZC_CLEAR_DIALOG)
 * @author [Ind/Hercules]
 * @param sd : player pointer
 * @param npcid : npc gid to close
 */
void clif_scriptclear(struct map_session_data *sd, int npcid)
{
	struct s_packet_db* info;
	int16 len;
	int cmd = 0;
	int fd;

	nullpo_retv(sd);

	cmd = packet_db_ack[ZC_CLEAR_DIALOG];
	if(!cmd) cmd = 0x8d6; //default
	info = &packet_db[cmd];
	len = info->len;
	fd = sd->fd;

	WFIFOHEAD(fd, len);
	WFIFOW(fd,0)=0x8d6;
	WFIFOL(fd,info->pos[0])=npcid;
	WFIFOSET(fd,len);
 }

/*==========================================
 *
 *------------------------------------------*/
void clif_sendfakenpc(struct map_session_data *sd, int npcid) {
	unsigned char *buf;
	int fd = sd->fd;
	sd->state.using_fake_npc = 1;

	WFIFOHEAD(fd, packet_len(0x78));
	buf = WFIFOP(fd,0);
	memset(WBUFP(buf,0), 0, packet_len(0x78));
	WBUFW(buf,0)=0x78;
#if PACKETVER >= 20071106
	WBUFB(buf,2) = 0; // object type
	buf = WFIFOP(fd,1);
#endif
	WBUFL(buf,2)=npcid;
	WBUFW(buf,14)=111;
	WBUFPOS(buf,46,sd->bl.x,sd->bl.y,sd->ud.dir);
	WBUFB(buf,49)=5;
	WBUFB(buf,50)=5;
	WFIFOSET(fd, packet_len(0x78));
}


/// Displays an NPC dialog menu (ZC_MENU_LIST).
/// 00b7 <packet len>.W <npc id>.L <menu items>.?B
/// Client behavior:
/// - disable mouse targeting
/// - close the menu window
/// - open the menu window
/// - add options to the menu (separated in the text by ":")
/// - set npcid of menu window
/// - if dialog window is open:
///   - remove 'next' button
/// When 'ok' is pressed:
/// - 00B8 <npcid of menu window>.L <selected option>.B
/// - close the menu window
/// When 'cancel' is pressed:
/// - 00B8 <npcid of menu window>.L <-1>.B
/// - enable mouse targeting
/// - close a bunch of windows...
/// WARNING: the 'cancel' button closes other windows besides the dialog window and the menu window.
///    Which suggests their have intertwined behavior. (probably the mouse targeting)
/// TODO investigate behavior of other windows [FlavioJS]
void clif_scriptmenu(struct map_session_data* sd, int npcid, const char* mes)
{
	int fd = sd->fd;
	int slen = strlen(mes) + 9;
	struct block_list *bl = NULL;

	if (!sd->state.using_fake_npc && (npcid == fake_nd->bl.id || ((bl = map_id2bl(npcid)) && (bl->m!=sd->bl.m ||
	   bl->x<sd->bl.x-AREA_SIZE-1 || bl->x>sd->bl.x+AREA_SIZE+1 ||
	   bl->y<sd->bl.y-AREA_SIZE-1 || bl->y>sd->bl.y+AREA_SIZE+1))))
	   clif_sendfakenpc(sd, npcid);

	WFIFOHEAD(fd, slen);
	WFIFOW(fd,0)=0xb7;
	WFIFOW(fd,2)=slen;
	WFIFOL(fd,4)=npcid;
	memcpy(WFIFOCP(fd,8), mes, slen-8);
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Displays an NPC dialog input box for numbers (ZC_OPEN_EDITDLG).
/// 0142 <npc id>.L
/// Client behavior (inputnum window):
/// - if npcid exists in the client:
///   - open the inputnum window
///   - set npcid of inputnum window
/// When 'ok' is pressed:
/// - if inputnum window has text:
///   - if npcid exists in the client:
///     - 0143 <npcid of inputnum window>.L <atoi(text)>.L
///   - close inputnum window
void clif_scriptinput(struct map_session_data *sd, int npcid)
{
	int fd;
	struct block_list *bl = NULL;

	nullpo_retv(sd);

	if (!sd->state.using_fake_npc && (npcid == fake_nd->bl.id || ((bl = map_id2bl(npcid)) && (bl->m!=sd->bl.m ||
	   bl->x<sd->bl.x-AREA_SIZE-1 || bl->x>sd->bl.x+AREA_SIZE+1 ||
	   bl->y<sd->bl.y-AREA_SIZE-1 || bl->y>sd->bl.y+AREA_SIZE+1))))
	   clif_sendfakenpc(sd, npcid);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0x142));
	WFIFOW(fd,0)=0x142;
	WFIFOL(fd,2)=npcid;
	WFIFOSET(fd,packet_len(0x142));
}


/// Displays an NPC dialog input box for numbers (ZC_OPEN_EDITDLGSTR).
/// 01d4 <npc id>.L
/// Client behavior (inputstr window):
/// - if npcid is 0 or npcid exists in the client:
///   - open the inputstr window
///   - set npcid of inputstr window
/// When 'ok' is pressed:
/// - if inputstr window has text and isn't an insult(manner.txt):
///   - if npcid is 0 or npcid exists in the client:
///     - 01d5 <packetlen>.W <npcid of inputstr window>.L <text>.?B
///   - close inputstr window
void clif_scriptinputstr(struct map_session_data *sd, int npcid)
{
	int fd;
	struct block_list *bl = NULL;

	nullpo_retv(sd);

	if (!sd->state.using_fake_npc && (npcid == fake_nd->bl.id || ((bl = map_id2bl(npcid)) && (bl->m!=sd->bl.m ||
	   bl->x<sd->bl.x-AREA_SIZE-1 || bl->x>sd->bl.x+AREA_SIZE+1 ||
	   bl->y<sd->bl.y-AREA_SIZE-1 || bl->y>sd->bl.y+AREA_SIZE+1))))
	   clif_sendfakenpc(sd, npcid);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0x1d4));
	WFIFOW(fd,0)=0x1d4;
	WFIFOL(fd,2)=npcid;
	WFIFOSET(fd,packet_len(0x1d4));
}


/// Marks a position on client's minimap (ZC_COMPASS).
/// 0144 <npc id>.L <type>.L <x>.L <y>.L <id>.B <color>.L
/// npc id:
///     is ignored in the client
/// type:
///     0 = display mark for 15 seconds
///     1 = display mark until dead or teleported
///     2 = remove mark
/// color:
///     0x00RRGGBB
void clif_viewpoint(struct map_session_data *sd, int npc_id, int type, int x, int y, int id, int color)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0x144));
	WFIFOW(fd,0)=0x144;
	WFIFOL(fd,2)=npc_id;
	WFIFOL(fd,6)=type;
	WFIFOL(fd,10)=x;
	WFIFOL(fd,14)=y;
	WFIFOB(fd,18)=id;
	WFIFOL(fd,19)=color;
	WFIFOSET(fd,packet_len(0x144));
}

/// Displays an illustration image.
/// 0145 <image name>.16B <type>.B (ZC_SHOW_IMAGE)
/// 01b3 <image name>.64B <type>.B (ZC_SHOW_IMAGE2)
/// type:
///     0 = bottom left corner
///     1 = bottom middle
///     2 = bottom right corner
///     3 = middle of screen, inside a movable window
///     4 = middle of screen, movable with a close button, chrome-less
///   255 = clear all displayed cutins
void clif_cutin(struct map_session_data* sd, const char* image, int type)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0x1b3));
	WFIFOW(fd,0)=0x1b3;
	strncpy(WFIFOCP(fd,2),image,64);
	WFIFOB(fd,66)=type;
	WFIFOSET(fd,packet_len(0x1b3));
}


/*==========================================
 * Fills in card data from the given item and into the buffer. [Skotlex]
 *------------------------------------------*/
static void clif_addcards(unsigned char* buf, struct item* item)
{
	int i=0,j;
	if( item == NULL ) { //Blank data
		WBUFW(buf,0) = 0;
		WBUFW(buf,2) = 0;
		WBUFW(buf,4) = 0;
		WBUFW(buf,6) = 0;
		return;
	}
	if( item->card[0] == CARD0_PET ) { //pet eggs
		WBUFW(buf,0) = 0;
		WBUFW(buf,2) = 0;
		WBUFW(buf,4) = 0;
		WBUFW(buf,6) = item->card[3]; //Pet renamed flag.
		return;
	}
	if( item->card[0] == CARD0_FORGE || item->card[0] == CARD0_CREATE ) { //Forged/created items
		WBUFW(buf,0) = item->card[0];
		WBUFW(buf,2) = item->card[1];
		WBUFW(buf,4) = item->card[2];
		WBUFW(buf,6) = item->card[3];
		return;
	}
	//Client only receives four cards.. so randomly send them a set of cards. [Skotlex]
	if( MAX_SLOTS > 4 && (j = itemdb_slot(item->nameid)) > 4 )
		i = rnd()%(j-3); //eg: 6 slots, possible i values: 0->3, 1->4, 2->5 => i = rnd()%3;

	//Normal items.
	if( item->card[i] > 0 && (j=itemdb_viewid(item->card[i])) > 0 )
		WBUFW(buf,0) = j;
	else
		WBUFW(buf,0) = item->card[i];

	if( item->card[++i] > 0 && (j=itemdb_viewid(item->card[i])) > 0 )
		WBUFW(buf,2) = j;
	else
		WBUFW(buf,2) = item->card[i];

	if( item->card[++i] > 0 && (j=itemdb_viewid(item->card[i])) > 0 )
		WBUFW(buf,4) = j;
	else
		WBUFW(buf,4) = item->card[i];

	if( item->card[++i] > 0 && (j=itemdb_viewid(item->card[i])) > 0 )
		WBUFW(buf,6) = j;
	else
		WBUFW(buf,6) = item->card[i];
}

/// Fills in part of the item buffers that calls for variable bonuses data. [Napster]
/// A maximum of 5 random options can be supported.
void clif_add_random_options(unsigned char* buf, struct item *it) {
#if PACKETVER >= 20150225
	int i;

	for (i = 0; i < MAX_ITEM_RDM_OPT; i++) {
		WBUFW(buf, i*5 + 0) = it->option[i].id;		// OptIndex
		WBUFW(buf, i*5 + 2) = it->option[i].value;	// Value
		WBUFB(buf, i*5 + 4) = it->option[i].param;	// Param1
	}
	
#if MAX_ITEM_RDM_OPT < 5
	for ( ; i < 5; i++) {
		WBUFW(buf, i*5 + 0) = 0;		// OptIndex
		WBUFW(buf, i*5 + 2) = 0;	// Value
		WBUFB(buf, i*5 + 4) = 0;	// Param1
	}
#endif
#endif
}

/// Notifies the client, about a received inventory item or the result of a pick-up request.
/// 00a0 <index>.W <amount>.W <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W <equip location>.W <item type>.B <result>.B (ZC_ITEM_PICKUP_ACK)
/// 029a <index>.W <amount>.W <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W <equip location>.W <item type>.B <result>.B <expire time>.L (ZC_ITEM_PICKUP_ACK2)
/// 02d4 <index>.W <amount>.W <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W <equip location>.W <item type>.B <result>.B <expire time>.L <bindOnEquipType>.W (ZC_ITEM_PICKUP_ACK3)
/// 0990 <index>.W <amount>.W <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W <equip location>.L <item type>.B <result>.B <expire time>.L <bindOnEquipType>.W (ZC_ITEM_PICKUP_ACK_V5)
/// 0a0c <index>.W <amount>.W <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W <equip location>.L <item type>.B <result>.B <expire time>.L <bindOnEquipType>.W { <option id>.W <option value>.W <option param>.B }*5 (ZC_ITEM_PICKUP_ACK_V6)
/// 0a37 <index>.W <amount>.W <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W <equip location>.L <item type>.B <result>.B <expire time>.L <bindOnEquipType>.W { <option id>.W <option value>.W <option param>.B }*5 <favorite>.B <view id>.W (ZC_ITEM_PICKUP_ACK_V7)
void clif_additem(struct map_session_data *sd, int n, int amount, unsigned char fail)
{
	int fd, header, offs=0;
#if PACKETVER < 20061218
	header = 0xa0;
#elif PACKETVER < 20071002
	header = 0x29a;
#elif PACKETVER < 20120925
	header = 0x2d4;
#elif PACKETVER < 20150225
	header = 0x990;
#elif PACKETVER < 20160921
	header = 0xa0c;
#else
	header = 0xa37;
#endif
	nullpo_retv(sd);

	fd = sd->fd;
	if( !session_isActive(fd) )  //Sasuke-
		return;

	WFIFOHEAD(fd,packet_len(header));
	if( fail )
	{
		WFIFOW(fd,offs+0) = header;
		WFIFOW(fd,offs+2) = n+2;
		WFIFOW(fd,offs+4) = amount;
		WFIFOW(fd,offs+6) = 0;
		WFIFOB(fd,offs+8) = 0;
		WFIFOB(fd,offs+9) = 0;
		WFIFOB(fd,offs+10) = 0;
		WFIFOW(fd,offs+11) = 0;
		WFIFOW(fd,offs+13) = 0;
		WFIFOW(fd,offs+15) = 0;
		WFIFOW(fd,offs+17) = 0;
#if PACKETVER < 20120925
		WFIFOW(fd,offs+19) = 0;
#else
		WFIFOL(fd,offs+19) = 0;
		offs += 2;
#endif
		WFIFOB(fd,offs+21) = 0;
		WFIFOB(fd,offs+22) = fail;
#if PACKETVER >= 20061218
		WFIFOL(fd,offs+23) = 0;
#endif
#if PACKETVER >= 20071002
		WFIFOW(fd,offs+27) = 0;  //  HireExpireDate
#if PACKETVER >= 20150225
		clif_add_random_options(WFIFOP(fd,offs+31), &sd->inventory.u.items_inventory[n]);
#if PACKETVER >= 20160921
		WFIFOB(fd,offs+54) = 0; // Favorite
		WFIFOW(fd,offs+55) = 0; // View ID
#endif
#endif
#endif
	}
	else
	{
		if( n < 0 || n >= MAX_INVENTORY || sd->inventory.u.items_inventory[n].nameid <=0 || sd->inventory_data[n] == NULL )
			return;

		WFIFOW(fd,offs+0) = header;
		WFIFOW(fd,offs+2) = n+2;
		WFIFOW(fd,offs+4) = amount;
		if (sd->inventory_data[n]->view_id > 0)
			WFIFOW(fd,offs+6) = sd->inventory_data[n]->view_id;
		else
			WFIFOW(fd,offs+6)=sd->inventory.u.items_inventory[n].nameid;
		WFIFOB(fd,offs+8)=sd->inventory.u.items_inventory[n].identify;
		WFIFOB(fd,offs+9)=sd->inventory.u.items_inventory[n].attribute;
		WFIFOB(fd,offs+10)=sd->inventory.u.items_inventory[n].refine;
		clif_addcards(WFIFOP(fd,offs+11), &sd->inventory.u.items_inventory[n]);
#if PACKETVER < 20120925
		WFIFOW(fd,offs+19) = pc_equippoint(sd,n);
#else
		WFIFOL(fd,offs+19) = pc_equippoint(sd,n);
		offs += 2;
#endif
		WFIFOB(fd,offs+21) = itemtype(sd->inventory_data[n]->nameid);
		WFIFOB(fd,offs+22) = fail;
#if PACKETVER >= 20061218
		WFIFOL(fd,offs+23)=sd->inventory.u.items_inventory[n].expire_time;
#endif
#if PACKETVER >= 20071002
		/* Yellow color only for non-stackable item */
		WFIFOW(fd,offs+27)=(sd->inventory.u.items_inventory[n].bound && !itemdb_isstackable(sd->inventory.u.items_inventory[n].nameid)) ? BOUND_DISPYELLOW : sd->inventory_data[n]->flag.bindOnEquip ? BOUND_ONEQUIP : 0;
#endif
#if PACKETVER >= 20150225
		clif_add_random_options(WFIFOP(fd,31), &sd->inventory.u.items_inventory[n]);
#if PACKETVER >= 20160921
		WFIFOB(fd,offs+54) = sd->inventory.u.items_inventory[n].favorite;
		WFIFOW(fd,offs+55) = sd->inventory_data[n]->look;
#endif
#endif
	}

	WFIFOSET(fd,packet_len(header));
}


/// Notifies the client, that an inventory item was deleted or dropped (ZC_ITEM_THROW_ACK).
/// 00af <index>.W <amount>.W
void clif_dropitem(struct map_session_data *sd,int n,int amount)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0xaf));
	WFIFOW(fd,0)=0xaf;
	WFIFOW(fd,2)=n+2;
	WFIFOW(fd,4)=amount;
	WFIFOSET(fd,packet_len(0xaf));
}


/// Notifies the client, that an inventory item was deleted (ZC_DELETE_ITEM_FROM_BODY).
/// 07fa <delete type>.W <index>.W <amount>.W
/// delete type:
///     0 = Normal
///     1 = Item used for a skill
///     2 = Refine failed
///     3 = Material changed
///     4 = Moved to storage
///     5 = Moved to cart
///     6 = Item sold
///     7 = Consumed by Four Spirit Analysis (SO_EL_ANALYSIS) skill
void clif_delitem(struct map_session_data *sd,int n,int amount, short reason)
{
#if PACKETVER < 20091117
	clif_dropitem(sd,n,amount);
#else
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;

	WFIFOHEAD(fd, packet_len(0x7fa));
	WFIFOW(fd,0)=0x7fa;
	WFIFOW(fd,2)=reason;
	WFIFOW(fd,4)=n+2;
	WFIFOW(fd,6)=amount;
	WFIFOSET(fd,packet_len(0x7fa));
#endif
}

void clif_item_sub_v5(unsigned char *buf, int n, int idx, struct item *it, struct item_data *id, int equip) {
	char normal = (equip < 0);
	int offset = 0;

	WBUFW(buf,n) = idx; //index
	WBUFW(buf,n+2) = (id->view_id > 0) ? id->view_id : it->nameid;
	WBUFB(buf,n+4) = itemtype(id->nameid);

	if (!normal){ //equip 31B
		WBUFL(buf,n+5) = equip; //location
		WBUFL(buf,n+9) = it->equip; //wear state
		WBUFB(buf,n+13) = it->refine; //refine lvl
		clif_addcards(WBUFP(buf, n+14), it); //EQUIPSLOTINFO 8B
		WBUFL(buf,n+22) = it->expire_time;
		WBUFW(buf,n+26) = it->bound ? BOUND_DISPYELLOW : id->flag.bindOnEquip ? BOUND_ONEQUIP : 0; //bindOnEquipType
		WBUFW(buf,n+28) = (id->equip&EQP_VISIBLE) ? id->look : 0;
#if PACKETVER >= 20150225
		//V6_ITEM_Option
		WBUFB(buf,n+30) = 0;	// nRandomOptionCnt
		clif_add_random_options(WBUFP(buf, n+31), it);// optionData
		offset += 26;
#endif
		//V5_ITEM_flag
		WBUFB(buf,n+30+offset) = it->identify; //0x1 IsIdentified
		WBUFB(buf,n+30+offset) |= (it->attribute) ? 0x2 : 0; //0x2 IsDamaged
		WBUFB(buf,n+30+offset) |= (it->favorite) ? 0x4 : 0; //0x4 PlaceETCTab
	}
	else { //normal 24B
		WBUFW(buf,n+5) = it->amount;
		WBUFL(buf,n+7) = (equip == -2 && id->equip == EQP_AMMO)?id->equip:0; //wear state
		clif_addcards(WBUFP(buf, n+11), it); //EQUIPSLOTINFO 8B
		WBUFL(buf,n+19) = it->expire_time;
		//V5_ITEM_flag
		WBUFB(buf,n+23) = it->identify; //0x1 IsIdentified
		WBUFB(buf,n+23) |= (it->favorite) ? 0x2 : 0; //0x4,0x2 PlaceETCTab
	}
}

// Simplifies inventory/cart/storage packets by handling the packet section relevant to items. [Skotlex]
// Equip is >= 0 for equippable items (holds the equip-point, is 0 for pet
// armor/egg) -1 for stackable items, -2 for stackable items where arrows must send in the equip-point.
void clif_item_sub(unsigned char *buf, int n, int idx, struct item *it, struct item_data *id, int equip) {
#if PACKETVER >= 20120925
	clif_item_sub_v5(buf, n, idx, it, id, equip);
#else
	WBUFW(buf,n) = idx; //index
	WBUFW(buf,n+2) = (id->view_id > 0) ? id->view_id : it->nameid; //itid
	WBUFB(buf,n+4) = itemtype(id->nameid);
	WBUFB(buf,n+5) = it->identify;
	if (equip >= 0) { //Equippable item 28.B
		WBUFW(buf,n+6) = equip;
		WBUFW(buf,n+8) = it->equip;
		WBUFB(buf,n+10) = it->attribute;
		WBUFB(buf,n+11) = it->refine;
		clif_addcards(WBUFP(buf, n+12), it); //8B
#if PACKETVER >= 20071002
		WBUFL(buf,n+20) = it->expire_time;
		WBUFW(buf,n+24) = it->bound ? BOUND_DISPYELLOW : id->flag.bindOnEquip ? BOUND_ONEQUIP : 0;
#endif
#if PACKETVER >= 20100629
		WBUFW(buf,n+26) = (id->equip&EQP_VISIBLE) ? id->look : 0;
#endif
	} else { //Stackable item. 22.B
		WBUFW(buf,n+6) = it->amount;
		WBUFW(buf,n+8) = (equip == -2 && id->equip == EQP_AMMO) ? id->equip : 0;
		clif_addcards(WBUFP(buf, n+10), it); //8B
#if PACKETVER >= 20071002
		WBUFL(buf,n+18) = it->expire_time;
#endif
	}
#endif
}



void clif_favorite_item(struct map_session_data* sd, unsigned short index);
//Unified inventory function which sends all of the inventory (requires two packets, one for equipable items and one for stackable ones. [Skotlex]
void clif_inventorylist(struct map_session_data *sd) {
	int i,n,ne,arrow=-1;
	unsigned char *buf;
	unsigned char *bufe;

#if PACKETVER < 5
	const int s = 10; //Entry size
#elif PACKETVER < 20080102
	const int s = 18;
#elif PACKETVER < 20120925
	const int s = 22;
#else
	const int s = 24;
#endif
#if PACKETVER < 20071002
	const int se = 20;
#elif PACKETVER < 20100629
	const int se = 26;
#elif PACKETVER < 20120925
	const int se = 28;
#elif PACKETVER < 20150225
	const int se = 31;
#else
	const int se = 57;
#endif

	buf = (unsigned char*)aMalloc(MAX_INVENTORY * s + 4);
	bufe = (unsigned char*)aMalloc(MAX_INVENTORY * se + 4);

	for( i = 0, n = 0, ne = 0; i < MAX_INVENTORY; i++ )
	{
		if( sd->inventory.u.items_inventory[i].nameid <=0 || sd->inventory_data[i] == NULL )
			continue;

		if( !itemdb_isstackable2(sd->inventory_data[i]) )
		{	//Non-stackable (Equippable)
			clif_item_sub(bufe, ne*se+4, i+2, &sd->inventory.u.items_inventory[i], sd->inventory_data[i], pc_equippoint(sd,i));
			ne++;
		}
		else { //Stackable.
			clif_item_sub(buf, n*s+4,i+2, &sd->inventory.u.items_inventory[i], sd->inventory_data[i], -2);
			if( sd->inventory_data[i]->equip == EQP_AMMO && sd->inventory.u.items_inventory[i].equip )
				arrow=i;
			n++;
		}
	}
	if( n )
	{
#if PACKETVER < 5
		WBUFW(buf,0)=0xa3;
#elif PACKETVER < 20080102
		WBUFW(buf,0)=0x1ee;
#elif PACKETVER < 20120925
		WBUFW(buf,0)=0x2e8;
#else
		WBUFW(buf,0)=0x991;
#endif
		WBUFW(buf,2)=4+n*s;
		clif_send(buf, WBUFW(buf,2), &sd->bl, SELF);
	}
	if( arrow >= 0 )
		clif_arrowequip(sd,arrow);

	if( ne ) {
#if PACKETVER < 20071002
		WBUFW(bufe,0)=0xa4;
#elif PACKETVER < 20120925
		WBUFW(bufe,0)=0x2d0;
#elif PACKETVER < 20150225
		WBUFW(bufe,0)=0x992;
#else
		WBUFW(bufe,0)=0xa0d;
#endif
		WBUFW(bufe,2)=4+ne*se;
		clif_send(bufe, WBUFW(bufe,2), &sd->bl, SELF);
	}
#if PACKETVER >= 20111122 && PACKETVER < 20120925
	for( i = 0; i < MAX_INVENTORY; i++ ) {
		if( sd->inventory.u.items_inventory[i].nameid <= 0 || sd->inventory_data[i] == NULL )
			continue;
		if ( sd->inventory.u.items_inventory[i].favorite )
			clif_favorite_item(sd, i);
	}
#endif

	if( buf ) aFree(buf);
	if( bufe ) aFree(bufe);
}

//Required when items break/get-repaired. Only sends equippable item list.
void clif_equiplist(struct map_session_data *sd)
{
	int i,n,fd = sd->fd;
	unsigned char *buf;
#if PACKETVER < 20071002
	const int cmd = 20;
#elif PACKETVER < 20100629
	const int cmd = 26;
#elif PACKETVER < 20120925
	const int cmd = 28;
#elif PACKETVER < 20150225
	const int cmd = 31;
#else
	const int cmd = 57;
#endif

	WFIFOHEAD(fd, MAX_INVENTORY * cmd + 4);
	buf = WFIFOP(fd,0);

	for(i=0,n=0;i<MAX_INVENTORY;i++){
		if (sd->inventory.u.items_inventory[i].nameid <=0 || sd->inventory_data[i] == NULL)
			continue;

		if(itemdb_isstackable2(sd->inventory_data[i]))
			continue;
		//Equippable
		clif_item_sub(buf, n*cmd+4,i+2, &sd->inventory.u.items_inventory[i], sd->inventory_data[i], pc_equippoint(sd,i));
		n++;
	}
	if (n) {
#if PACKETVER < 20071002
		WBUFW(buf,0)=0xa4;
#elif PACKETVER < 20120925
		WBUFW(buf,0)=0x2d0;
#elif PACKETVER < 20150225
		WBUFW(buf,0)=0x992;
#else
		WBUFW(buf,0)=0xa0d;
#endif
		WBUFW(buf,2)=4+n*cmd;
		WFIFOSET(fd,WFIFOW(fd,2));
	}
}

void clif_storagelist(struct map_session_data* sd, struct item* items, int items_length, const char *storename)
{
	static const int client_buf = 0x5000; // Max buffer to send
	struct item_data *id;
	int i,n,ne,nn;
	unsigned char *buf;
	unsigned char *bufe;
#if PACKETVER < 5
	const int s = 10; //Entry size.normal item
	const int sidx=4; //start itemlist idx
	const int cmd = 0xa5;
#elif PACKETVER < 20080102
	const int s = 18;
	const int sidx=4;
	const int cmd = 0x1f0;
#elif PACKETVER < 20120925
	const int s = 22;
	const int sidx=4;
	const int cmd = 0x2ea;
#else
	const int s = 24;
	const int sidx = 4+24;
	const int cmd = 0x995;
#endif
#if PACKETVER < 20071002
	const int se = 20; //entry size equip
	const int sidxe = 4; //start itemlist idx
	const int cmde = 0xa6;
#elif PACKETVER < 20100629
	const int se = 26;
	const int sidxe = 4;
	const int cmde = 0x2d1;
#elif PACKETVER < 20120925
	const int se = 28;
	const int sidxe = 4;
	const int cmde = 0x2d1;
#elif PACKETVER < 20150225
	const int se = 31;
	const int sidxe = 4+24;
	const int cmde = 0x996;
#else
	const int se = 57;
	const int sidxe = 4+24;
	const int cmde = 0xa10;
#endif

	buf = (unsigned char*)aMalloc(items_length * s + sidx);
	bufe = (unsigned char*)aMalloc(items_length * se + sidxe);

	for( i = 0, n = 0, ne = 0; i < items_length; i++ )
	{
		if( items[i].nameid <= 0 )
			continue;
		id = itemdb_search(items[i].nameid);
		if( !itemdb_isstackable2(id) ) { //Equippable
			clif_item_sub(bufe, ne*se+sidxe,i+1, &items[i], id, id->equip);
			ne++;
		}
		else { //Stackable
			clif_item_sub(buf, n*s+sidx,i+1, &items[i], id,-1);
			n++;
		}
	}
	for (i = 0; i < n; i += nn) // Loop through non-equipable items
	{
		nn = n - i < (client_buf - sidx)/s ? n - i : (client_buf - sidx)/s; // Split up non-equipable items
		WFIFOHEAD(sd->fd,sidx+nn*s);
		WFIFOW(sd->fd,0)=cmd;
		WFIFOW(sd->fd,2)=sidx+nn*s;
#if PACKETVER >= 20120925
		safestrncpy(WFIFOCP(sd->fd,4), storename, NAME_LENGTH); //storename
#endif
		memcpy(WFIFOP(sd->fd,sidx),buf + sidx + i*s,nn*s);
		WFIFOSET(sd->fd,WFIFOW(sd->fd,2));
	}
	for (i = 0; i < ne; i += nn) // Loop through equipable items
	{
		nn = ne - i < (client_buf - sidxe)/se ? ne - i : (client_buf - sidxe)/se; // Split up equipable items
		WFIFOHEAD(sd->fd,sidxe+nn*se);
		WFIFOW(sd->fd,0)=cmde;
		WFIFOW(sd->fd,2)=sidxe+nn*se;
#if PACKETVER >= 20120925
		safestrncpy(WFIFOCP(sd->fd,4), storename, NAME_LENGTH); //storename
#endif
		memcpy(WFIFOP(sd->fd,sidxe),bufe + sidxe + i*se,nn*se);
		WFIFOSET(sd->fd,WFIFOW(sd->fd,2));
	}

	// Empty storage
	if (n == 0 && ne == 0) {
		WFIFOHEAD(sd->fd, 4+NAME_LENGTH);
		WFIFOW(sd->fd,0) = cmd;
		WFIFOW(sd->fd,2) = 4+NAME_LENGTH;
#if PACKETVER >= 20120925
		safestrncpy(WFIFOCP(sd->fd,4), storename, NAME_LENGTH); //storename
#endif
		WFIFOSET(sd->fd,WFIFOW(sd->fd,2));
	}

	if( buf ) aFree(buf);
	if( bufe ) aFree(bufe);
}

void clif_cartlist(struct map_session_data *sd)
{
	struct item_data *id;
	int i,n,ne;
	unsigned char *buf;
	unsigned char *bufe;
#if PACKETVER < 5
	const int s = 10; //Entry size.
#elif PACKETVER < 20080102
	const int s = 18;
#elif PACKETVER < 20120925
	const int s = 22;
#else
	const int s = 24;
#endif
#if PACKETVER < 20071002
	const int cmd = 20;
#elif PACKETVER < 20100629
	const int cmd = 26;
#elif PACKETVER < 20120925
	const int cmd = 28;
#elif PACKETVER < 20150225
	const int cmd = 31;
#else
	const int cmd = 57;
#endif

	buf = (unsigned char*)aMalloc(MAX_CART * s + 4);
	bufe = (unsigned char*)aMalloc(MAX_CART * cmd + 4);

	for( i = 0, n = 0, ne = 0; i < MAX_CART; i++ )
	{
		if( sd->cart.u.items_cart[i].nameid <= 0 )
			continue;
		id = itemdb_search(sd->cart.u.items_cart[i].nameid);
		if( !itemdb_isstackable2(id) ) { //Equippable
			clif_item_sub(bufe, ne*cmd+4,i+2, &sd->cart.u.items_cart[i], id, id->equip);
			ne++;
		}
		else { //Stackable
			clif_item_sub(buf, n*s+4,i+2, &sd->cart.u.items_cart[i], id,-1);
			n++;
		}
	}
	if( n )
	{
#if PACKETVER < 5
		WBUFW(buf,0)=0x123;
#elif PACKETVER < 20080102
		WBUFW(buf,0)=0x1ef;
#elif PACKETVER < 20120925
		WBUFW(buf,0)=0x2e9;
#else
		WBUFW(buf,0)=0x993;
#endif
		WBUFW(buf,2)=4+n*s;
		clif_send(buf, WBUFW(buf,2), &sd->bl, SELF);
	}
	if( ne )
	{
#if PACKETVER < 20071002
	WBUFW(bufe,0)=0x122;
#elif PACKETVER < 20120925
	WBUFW(bufe,0)=0x2d2;
#elif PACKETVER < 20150225
	WBUFW(bufe,0)=0x994;
#else
	WBUFW(bufe,0)=0xa0f;
#endif
		WBUFW(bufe,2)=4+ne*cmd;
		clif_send(bufe, WBUFW(bufe,2), &sd->bl, SELF);
	}

	if( buf ) aFree(buf);
	if( bufe ) aFree(bufe);
}


/// Removes cart (ZC_CARTOFF).
/// 012b
/// Client behaviour:
/// Closes the cart storage and removes all it's items from memory.
/// The Num & Weight values of the cart are left untouched and the cart is NOT removed.
void clif_clearcart(int fd)
{
	WFIFOHEAD(fd, packet_len(0x12b));
	WFIFOW(fd,0) = 0x12b;
	WFIFOSET(fd, packet_len(0x12b));

}


/// Guild XY locators (ZC_NOTIFY_POSITION_TO_GUILDM) [Valaris]
/// 01eb <account id>.L <x>.W <y>.W
void clif_guild_xy(struct map_session_data *sd)
{
	unsigned char buf[10];

	nullpo_retv(sd);

	WBUFW(buf,0)=0x1eb;
	WBUFL(buf,2)=sd->status.account_id;
	WBUFW(buf,6)=sd->bl.x;
	WBUFW(buf,8)=sd->bl.y;
	clif_send(buf,packet_len(0x1eb),&sd->bl,GUILD_SAMEMAP_WOS);
}

/*==========================================
 * Sends x/y dot to a single fd. [Skotlex]
 *------------------------------------------*/
void clif_guild_xy_single(int fd, struct map_session_data *sd)
{
	if( sd->bg_id )
		return;

	WFIFOHEAD(fd,packet_len(0x1eb));
	WFIFOW(fd,0)=0x1eb;
	WFIFOL(fd,2)=sd->status.account_id;
	WFIFOW(fd,6)=sd->bl.x;
	WFIFOW(fd,8)=sd->bl.y;
	WFIFOSET(fd,packet_len(0x1eb));
}

// Guild XY locators [Valaris]
void clif_guild_xy_remove(struct map_session_data *sd)
{
	unsigned char buf[10];

	nullpo_retv(sd);

	WBUFW(buf,0)=0x1eb;
	WBUFL(buf,2)=sd->status.account_id;
	WBUFW(buf,6)=-1;
	WBUFW(buf,8)=-1;
	clif_send(buf,packet_len(0x1eb),&sd->bl,GUILD_SAMEMAP_WOS);
}

/*==========================================
 *
 *------------------------------------------*/
static int clif_hpmeter_sub(struct block_list *bl, va_list ap)
{
	struct map_session_data *sd, *tsd;
#if PACKETVER < 20100126
	const int cmd = 0x106;
#else
	const int cmd = 0x80e;
#endif

	sd = va_arg(ap, struct map_session_data *);
	tsd = (TBL_PC *)bl;

	nullpo_ret(sd);
	nullpo_ret(tsd);

	if( !tsd->fd || tsd == sd )
		return 0;

	if( !pc_has_permission(tsd, PC_PERM_VIEW_HPMETER) )
		return 0;
	WFIFOHEAD(tsd->fd,packet_len(cmd));
	WFIFOW(tsd->fd,0) = cmd;
	WFIFOL(tsd->fd,2) = sd->status.account_id;
#if PACKETVER < 20100126
	if( sd->battle_status.max_hp > INT16_MAX )
	{ //To correctly display the %hp bar. [Skotlex]
		WFIFOW(tsd->fd,6) = sd->battle_status.hp/(sd->battle_status.max_hp/100);
		WFIFOW(tsd->fd,8) = 100;
	} else {
		WFIFOW(tsd->fd,6) = sd->battle_status.hp;
		WFIFOW(tsd->fd,8) = sd->battle_status.max_hp;
	}
#else
	WFIFOL(tsd->fd,6) = sd->battle_status.hp;
	WFIFOL(tsd->fd,10) = sd->battle_status.max_hp;
#endif
	WFIFOSET(tsd->fd,packet_len(cmd));
	return 0;
}

/*==========================================
 * Server tells all players that are allowed to view HP bars
 * and are nearby 'sd' that 'sd' hp bar was updated.
 *------------------------------------------*/
static int clif_hpmeter(struct map_session_data *sd)
{
	nullpo_ret(sd);
	map_foreachinallarea(clif_hpmeter_sub, sd->bl.m, sd->bl.x-AREA_SIZE, sd->bl.y-AREA_SIZE, sd->bl.x+AREA_SIZE, sd->bl.y+AREA_SIZE, BL_PC, sd);
	return 0;
}

/// Notifies client of a character parameter change.
/// 00b0 <var id>.W <value>.L (ZC_PAR_CHANGE)
/// 00b1 <var id>.W <value>.L (ZC_LONGPAR_CHANGE)
/// 00be <status id>.W <value>.B (ZC_STATUS_CHANGE)
/// 0121 <current count>.W <max count>.W <current weight>.L <max weight>.L (ZC_NOTIFY_CARTITEM_COUNTINFO)
/// 013a <atk range>.W (ZC_ATTACK_RANGE)
/// 0141 <status id>.L <base status>.L <plus status>.L (ZC_COUPLESTATUS)
/// 0acb <var id>.W <value>.Q (ZC_LONGPAR_CHANGE2)
/// TODO: Extract individual packets.
/// FIXME: Packet lengths from packet_len(cmd)
void clif_updatestatus(struct map_session_data *sd,int type)
{
	int fd,len=8;

	nullpo_retv(sd);

	fd=sd->fd;

	if ( !session_isActive(fd) ) // Invalid pointer fix, by sasuke [Kevin]
		return;

	WFIFOHEAD(fd, 14);
	WFIFOW(fd,0)=0xb0;
	WFIFOW(fd,2)=type;
	switch(type){
		// 00b0
	case SP_WEIGHT:
		pc_updateweightstatus(sd);
		WFIFOHEAD(fd,14);
		WFIFOW(fd,0)=0xb0;	//Need to re-set as pc_updateweightstatus can alter the buffer. [Skotlex]
		WFIFOW(fd,2)=type;
		WFIFOL(fd,4)=sd->weight;
		break;
	case SP_MAXWEIGHT:
		WFIFOL(fd,4)=sd->max_weight;
		break;
	case SP_SPEED:
		WFIFOL(fd,4)=sd->battle_status.speed;
		break;
	case SP_BASELEVEL:
		WFIFOL(fd,4)=sd->status.base_level;
		break;
	case SP_JOBLEVEL:
		WFIFOL(fd,4)=sd->status.job_level;
		break;
	case SP_KARMA: // Adding this back, I wonder if the client intercepts this - [Lance]
		WFIFOL(fd,4)=sd->status.karma;
		break;
	case SP_MANNER:
		WFIFOL(fd,4)=sd->status.manner;
		break;
	case SP_STATUSPOINT:
		WFIFOL(fd,4)=sd->status.status_point;
		break;
	case SP_SKILLPOINT:
		WFIFOL(fd,4)=sd->status.skill_point;
		break;
	case SP_HIT:
		WFIFOL(fd,4)=sd->battle_status.hit;
		break;
	case SP_FLEE1:
		WFIFOL(fd,4)=sd->battle_status.flee;
		break;
	case SP_FLEE2:
		WFIFOL(fd,4)=sd->battle_status.flee2/10;
		break;
	case SP_MAXHP:
		WFIFOL(fd,4)=sd->battle_status.max_hp;
		break;
	case SP_MAXSP:
		WFIFOL(fd,4)=sd->battle_status.max_sp;
		break;
	case SP_HP:
		// On officials the HP never go below 1, even if you die [Lemongrass]
		// On officials the HP Novice class never go below 50%, even if you die [Napster]
		WFIFOL(fd,4)= sd->battle_status.hp ? sd->battle_status.hp : (sd->class_&MAPID_UPPERMASK) != MAPID_NOVICE ? 1 : sd->battle_status.max_hp/2;
		break;
	case SP_SP:
		WFIFOL(fd,4)=sd->battle_status.sp;
		break;
	case SP_ASPD:
		WFIFOL(fd,4)=sd->battle_status.amotion;
		break;
	case SP_ATK1:
		WFIFOL(fd,4)=pc_leftside_atk(sd);
		break;
	case SP_DEF1:
		WFIFOL(fd,4)=pc_leftside_def(sd);
		break;
	case SP_MDEF1:
		WFIFOL(fd,4)=pc_leftside_mdef(sd);
		break;
	case SP_ATK2:
		WFIFOL(fd,4)=pc_rightside_atk(sd);
		break;
	case SP_DEF2:
		WFIFOL(fd,4)=pc_rightside_def(sd);
		break;
	case SP_MDEF2: {
			//negative check (in case you have something like Berserk active)
			int mdef2 = pc_rightside_mdef(sd);

			WFIFOL(fd,4)=
#ifndef RENEWAL
			( mdef2 < 0 ) ? 0 :
#endif
			mdef2;

		}
		break;
	case SP_CRITICAL:
		WFIFOL(fd,4)=sd->battle_status.cri/10;
		break;
	case SP_MATK1:
		WFIFOL(fd,4)=pc_rightside_matk(sd);
		break;
	case SP_MATK2:
		WFIFOL(fd,4)=pc_leftside_matk(sd);
		break;

	case SP_ZENY:
		WFIFOW(fd,0)=0xb1;
		WFIFOL(fd,4)=sd->status.zeny;
		break;
#if PACKETVER >= 20170830
	case SP_BASEEXP:
		WFIFOW(fd,0)=0xacb;
		WFIFOQ(fd,4)=sd->status.base_exp;
		len = packet_len(0xacb);
		break;
	case SP_JOBEXP:
		WFIFOW(fd,0)=0xacb;
		WFIFOQ(fd,4)=sd->status.job_exp;
		len = packet_len(0xacb);
		break;
	case SP_NEXTBASEEXP:
		WFIFOW(fd,0)=0xacb;
		WFIFOQ(fd,4)=pc_nextbaseexp(sd);
		len = packet_len(0xacb);
		break;
	case SP_NEXTJOBEXP:
		WFIFOW(fd,0)=0xacb;
		WFIFOQ(fd,4)=pc_nextjobexp(sd);
		len = packet_len(0xacb);
		break;
#else
	case SP_BASEEXP:
		WFIFOW(fd,0)=0xb1;
		WFIFOL(fd,4)=sd->status.base_exp;
		break;
	case SP_JOBEXP:
		WFIFOW(fd,0)=0xb1;
		WFIFOL(fd,4)=sd->status.job_exp;
		break;
	case SP_NEXTBASEEXP:
		WFIFOW(fd,0)=0xb1;
		WFIFOL(fd,4)=pc_nextbaseexp(sd);
		break;
	case SP_NEXTJOBEXP:
		WFIFOW(fd,0)=0xb1;
		WFIFOL(fd,4)=pc_nextjobexp(sd);
		break;
#endif

	/**
	 * SP_U<STAT> are used to update the amount of points necessary to increase that stat
	 **/
	case SP_USTR:
	case SP_UAGI:
	case SP_UVIT:
	case SP_UINT:
	case SP_UDEX:
	case SP_ULUK:
		WFIFOW(fd,0)=0xbe;
		WFIFOB(fd,4)=pc_need_status_point(sd,type-SP_USTR+SP_STR,1);
		len=5;
		break;

	/**
	 * Tells the client how far it is allowed to attack (weapon range)
	 **/
	case SP_ATTACKRANGE:
		WFIFOW(fd,0)=0x13a;
		WFIFOW(fd,2)=sd->battle_status.rhw.range;
		len=4;
		break;

	case SP_STR:
		WFIFOW(fd,0)=0x141;
		WFIFOL(fd,2)=type;
		WFIFOL(fd,6)=sd->status.str;
		WFIFOL(fd,10)=sd->battle_status.str - sd->status.str;
		len=14;
		break;
	case SP_AGI:
		WFIFOW(fd,0)=0x141;
		WFIFOL(fd,2)=type;
		WFIFOL(fd,6)=sd->status.agi;
		WFIFOL(fd,10)=sd->battle_status.agi - sd->status.agi;
		len=14;
		break;
	case SP_VIT:
		WFIFOW(fd,0)=0x141;
		WFIFOL(fd,2)=type;
		WFIFOL(fd,6)=sd->status.vit;
		WFIFOL(fd,10)=sd->battle_status.vit - sd->status.vit;
		len=14;
		break;
	case SP_INT:
		WFIFOW(fd,0)=0x141;
		WFIFOL(fd,2)=type;
		WFIFOL(fd,6)=sd->status.int_;
		WFIFOL(fd,10)=sd->battle_status.int_ - sd->status.int_;
		len=14;
		break;
	case SP_DEX:
		WFIFOW(fd,0)=0x141;
		WFIFOL(fd,2)=type;
		WFIFOL(fd,6)=sd->status.dex;
		WFIFOL(fd,10)=sd->battle_status.dex - sd->status.dex;
		len=14;
		break;
	case SP_LUK:
		WFIFOW(fd,0)=0x141;
		WFIFOL(fd,2)=type;
		WFIFOL(fd,6)=sd->status.luk;
		WFIFOL(fd,10)=sd->battle_status.luk - sd->status.luk;
		len=14;
		break;

	case SP_CARTINFO:
		WFIFOW(fd,0)=0x121;
		WFIFOW(fd,2)=sd->cart_num;
		WFIFOW(fd,4)=MAX_CART;
		WFIFOL(fd,6)=sd->cart_weight;
		WFIFOL(fd,10)=sd->cart_weight_max;
		len=14;
		break;

	default:
		ShowError("clif_updatestatus : unrecognized type %d\n",type);
		return;
	}
	WFIFOSET(fd,len);

	// Additional update packets that should be sent right after
	switch( type ){
		case SP_BASELEVEL:
			if( sd->status.party_id ){
				struct party_data* p;
				int i;
		
				if( ( p = party_search( sd->status.party_id ) ) != NULL ){
					ARR_FIND(0, MAX_PARTY, i, p->party.member[i].char_id == sd->status.char_id);

					if( i < MAX_PARTY ){
						p->party.member[i].lv = sd->status.base_level;
						clif_party_job_and_level(sd);
					}
				}
			}
			break;
		case SP_HP:
			if( map_getmapdata(sd->bl.m)->hpmeter_visible ){
				clif_hpmeter(sd);
			}
			if( !battle_config.party_hp_mode && sd->status.party_id ){
				clif_party_hp(sd);
			}
			if( sd->bg_id ){
				clif_bg_hp(sd);
			}
			break;
	}
}


/// Notifies client of a parameter change of an another player (ZC_PAR_CHANGE_USER).
/// 01ab <account id>.L <var id>.W <value>.L
void clif_changestatus(struct map_session_data* sd,int type,int val)
{
	unsigned char buf[12];

	nullpo_retv(sd);

	WBUFW(buf,0)=0x1ab;
	WBUFL(buf,2)=sd->bl.id;
	WBUFW(buf,6)=type;

	switch(type)
	{
		case SP_MANNER:
			WBUFL(buf,8)=val;
			break;
		default:
			ShowError("clif_changestatus : unrecognized type %d.\n",type);
			return;
	}

	clif_send(buf,packet_len(0x1ab),&sd->bl,AREA_WOS);
}


/// 00c3 <id>.L <type>.B <value>.B (ZC_SPRITE_CHANGE)
/// 01d7 <id>.L <type>.B <value>.L (ZC_SPRITE_CHANGE2)
void clif_sprite_change(struct block_list *bl, int id, int type, int val, int val2, enum send_target target) {
	unsigned char buf[32];
#if PACKETVER < 4
	const int cmd = 0xc3;
#else
	const int cmd = 0x1d7;
#endif
	WBUFW(buf,0) = cmd;
	WBUFL(buf,2) = id;
	WBUFB(buf,6) = type;
	WBUFW(buf,7) = val;
#if PACKETVER >= 4
	WBUFW(buf,9) = val2;
#endif
	clif_send(buf,packet_len(cmd), bl, target);
}


/// Updates sprite/style properties of an object.
void clif_changelook(struct block_list *bl, int type, int val) {
	struct map_session_data* sd;
	struct status_change* sc;
	struct view_data* vd;
	enum send_target target = AREA;
	int val2 = 0;
	nullpo_retv(bl);

	sd = BL_CAST(BL_PC, bl);
	sc = status_get_sc(bl);
	vd = status_get_viewdata(bl);

	if( vd ) //temp hack to let Warp Portal change appearance
		switch(type) {
			case LOOK_WEAPON:
				if (sd) {
					clif_get_weapon_view(sd, &vd->weapon, &vd->shield);
					val = vd->weapon;
				}
				else 
					vd->weapon = val;
				break;
			case LOOK_SHIELD:
				if (sd) {
					clif_get_weapon_view(sd, &vd->weapon, &vd->shield);
					val = vd->shield;
				}
				else 
					vd->shield = val;
				break;
			case LOOK_BASE:
				if (!sd) 
					break;

				if ( val == JT_INVISIBLE )
					return;

				if (sd->sc.option&OPTION_COSTUME)
					vd->weapon = vd->shield = 0;

				if (!vd->cloth_color)
					break;

				if (sd) {
					if (sd->sc.option&OPTION_WEDDING && battle_config.wedding_ignorepalette)
						vd->cloth_color = 0;
					if (sd->sc.option&OPTION_XMAS && battle_config.xmas_ignorepalette)
						vd->cloth_color = 0;
					if (sd->sc.option&(OPTION_SUMMER|OPTION_SUMMER2) && battle_config.summer_ignorepalette)
						vd->cloth_color = 0;
					if (sd->sc.option&OPTION_HANBOK && battle_config.hanbok_ignorepalette)
						vd->cloth_color = 0;
					if (sd->sc.option&OPTION_OKTOBERFEST && battle_config.oktoberfest_ignorepalette)
						vd->cloth_color = 0;
					if (vd->body_style && sd->sc.option&OPTION_COSTUME)
 						vd->body_style = 0;
				}
				break;
			case LOOK_HAIR:
				vd->hair_style = val;
				break;
			case LOOK_HEAD_BOTTOM:
				vd->head_bottom = val;
				break;
			case LOOK_HEAD_TOP:
				vd->head_top = val;
				break;
			case LOOK_HEAD_MID:
				vd->head_mid = val;
				break;
			case LOOK_HAIR_COLOR:
				vd->hair_color = val;
				break;
			case LOOK_CLOTHES_COLOR:
				if (val && sd) {
					if (sd->sc.option&OPTION_WEDDING && battle_config.wedding_ignorepalette)
						val = 0;
					if (sd->sc.option&OPTION_XMAS && battle_config.xmas_ignorepalette)
						val = 0;
					if (sd->sc.option&(OPTION_SUMMER|OPTION_SUMMER2) && battle_config.summer_ignorepalette)
						val = 0;
					if (sd->sc.option&OPTION_HANBOK && battle_config.hanbok_ignorepalette)
						val = 0;
					if (sd->sc.option&OPTION_OKTOBERFEST && battle_config.oktoberfest_ignorepalette)
						val = 0;
				}
				vd->cloth_color = val;
				break;
			case LOOK_SHOES:
#if PACKETVER > 3
				if (sd) {
					int n;
					if((n = sd->equip_index[2]) >= 0 && sd->inventory_data[n]) {
						if(sd->inventory_data[n]->view_id > 0)
							val = sd->inventory_data[n]->view_id;
						else
							val = sd->inventory.u.items_inventory[n].nameid;
					} else
						val = 0;
				}
#endif
				//Shoes? No packet uses this....
				break;
			case LOOK_BODY:
				// unknown purpose
				break;
			case LOOK_ROBE:
#if PACKETVER < 20110111
				return;
#else
				vd->robe = val;
#endif
				break;
			case LOOK_BODY2:
#if PACKETVER < 20150513
				return;
#else
				if (val && sd->sc.option&OPTION_COSTUME)
 					val = 0;
 				vd->body_style = val;
#endif
				break;
	}

	// prevent leaking the presence of GM-hidden objects
	if( sc && sc->option&OPTION_INVISIBLE )
		target = SELF;

#if PACKETVER < 4
	clif_sprite_change(bl, bl->id, type, val, 0, target);
#else
	if(type == LOOK_WEAPON || type == LOOK_SHIELD) {
		nullpo_retv(vd);
		type = LOOK_WEAPON;
		val = vd->weapon;
		val2 = vd->shield;
	}
	if( disguised(bl) ) {
		clif_sprite_change(bl, bl->id, type, val, val2, AREA_WOS);
		clif_sprite_change(bl, -bl->id, type, val, val2, SELF);
	} else
		clif_sprite_change(bl, bl->id, type, val, val2, target);
#endif
}


//Sends a change-base-look packet required for traps as they are triggered.
void clif_changetraplook(struct block_list *bl,int val) {
	clif_sprite_change(bl, bl->id, LOOK_BASE, val, 0, AREA);
}


/// For the stupid cloth-dye bug. Resends the given view data to the area specified by bl.
void clif_refreshlook(struct block_list *bl, int id, int type, int val, enum send_target target) {
	clif_sprite_change(bl, id, type, val, 0, target);
}

/// Character status (ZC_STATUS).
/// 00bd <stpoint>.W <str>.B <need str>.B <agi>.B <need agi>.B <vit>.B <need vit>.B
///     <int>.B <need int>.B <dex>.B <need dex>.B <luk>.B <need luk>.B <atk>.W <atk2>.W
///     <matk min>.W <matk max>.W <def>.W <def2>.W <mdef>.W <mdef2>.W <hit>.W
///     <flee>.W <flee2>.W <crit>.W <aspd>.W <aspd2>.W
void clif_initialstatus(struct map_session_data *sd) {
	int fd, mdef2;
	unsigned char *buf;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0xbd));
	buf = WFIFOP(fd,0);

	WBUFW(buf,0) = 0xbd;
	WBUFW(buf,2) = min(sd->status.status_point, INT16_MAX);
	WBUFB(buf,4) = min(sd->status.str, UINT8_MAX);
	WBUFB(buf,5) = pc_need_status_point(sd,SP_STR,1);
	WBUFB(buf,6) = min(sd->status.agi, UINT8_MAX);
	WBUFB(buf,7) = pc_need_status_point(sd,SP_AGI,1);
	WBUFB(buf,8) = min(sd->status.vit, UINT8_MAX);
	WBUFB(buf,9) = pc_need_status_point(sd,SP_VIT,1);
	WBUFB(buf,10) = min(sd->status.int_, UINT8_MAX);
	WBUFB(buf,11) = pc_need_status_point(sd,SP_INT,1);
	WBUFB(buf,12) = min(sd->status.dex, UINT8_MAX);
	WBUFB(buf,13) = pc_need_status_point(sd,SP_DEX,1);
	WBUFB(buf,14) = min(sd->status.luk, UINT8_MAX);
	WBUFB(buf,15) = pc_need_status_point(sd,SP_LUK,1);

	WBUFW(buf,16) = pc_leftside_atk(sd);
	WBUFW(buf,18) = pc_rightside_atk(sd);
	WBUFW(buf,20) = pc_rightside_matk(sd);
	WBUFW(buf,22) = pc_leftside_matk(sd);
	WBUFW(buf,24) = pc_leftside_def(sd);
	WBUFW(buf,26) = pc_rightside_def(sd);
	WBUFW(buf,28) = pc_leftside_mdef(sd);
	mdef2 = pc_rightside_mdef(sd);
	WBUFW(buf,30) =
#ifndef RENEWAL
		( mdef2 < 0 ) ? 0 : //Negative check for Frenzy'ed characters.
#endif
		mdef2;
	WBUFW(buf,32) = sd->battle_status.hit;
	WBUFW(buf,34) = sd->battle_status.flee;
	WBUFW(buf,36) = sd->battle_status.flee2/10;
	WBUFW(buf,38) = sd->battle_status.cri/10;
	WBUFW(buf,40) = sd->battle_status.amotion; // aspd
	WBUFW(buf,42) = 0;  // always 0 (plusASPD)

	WFIFOSET(fd, packet_len(0xbd));

	clif_updatestatus(sd, SP_STR);
	clif_updatestatus(sd, SP_AGI);
	clif_updatestatus(sd, SP_VIT);
	clif_updatestatus(sd, SP_INT);
	clif_updatestatus(sd, SP_DEX);
	clif_updatestatus(sd, SP_LUK);

	clif_updatestatus(sd, SP_ATTACKRANGE);
	clif_updatestatus(sd, SP_ASPD);
}


/// Marks an ammunition item in inventory as equipped (ZC_EQUIP_ARROW).
/// 013c <index>.W
void clif_arrowequip(struct map_session_data *sd,int val) {
	int fd;

	nullpo_retv(sd);

#if PACKETVER >= 20121128
	clif_status_change(&sd->bl, EFST_CLIENT_ONLY_EQUIP_ARROW, 1, INFINITE_TICK, 0, 0, 0);
#endif
	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0x013c));
	WFIFOW(fd,0) = 0x013c;
	WFIFOW(fd,2) = val + 2; //Item ID of the arrow
	WFIFOSET(fd, packet_len(0x013c));
}


/// Ammunition action message (ZC_ACTION_FAILURE).
/// 013b <type>.W
/// type:
///     0 = MsgStringTable[242]="Please equip the proper ammunition first."
///     1 = MsgStringTable[243]="You can't Attack or use Skills because your Weight Limit has been exceeded."
///     2 = MsgStringTable[244]="You can't use Skills because Weight Limit has been exceeded."
///     3 = assassin, baby_assassin, assassin_cross => MsgStringTable[1040]="You have equipped throwing daggers."
///         gunslinger => MsgStringTable[1175]="Bullets have been equipped."
///         NOT ninja => MsgStringTable[245]="Ammunition has been equipped."
void clif_arrow_fail(struct map_session_data *sd,int type) {
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0x013b));
	WFIFOW(fd,0) = 0x013b;
	WFIFOW(fd,2) = type;
	WFIFOSET(fd, packet_len(0x013b));
}


/// Presents a list of items, that can be processed by Arrow Crafting (ZC_MAKINGARROW_LIST).
/// 01ad <packet len>.W { <name id>.W }*
void clif_arrow_create_list(struct map_session_data *sd)
{
	int i, c;
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd, MAX_SKILL_ARROW_DB*2+4);
	WFIFOW(fd,0) = 0x1ad;

	for (i = 0, c = 0; i < MAX_SKILL_ARROW_DB; i++) {
		short j, nameid = skill_arrow_db[i].nameid;
		if (nameid > 0 && itemdb_exists(nameid) &&
			(j = pc_search_inventory(sd, nameid)) >= 0 &&
			!sd->inventory.u.items_inventory[j].equip && sd->inventory.u.items_inventory[j].identify)
		{
			if ((j = itemdb_viewid(nameid)) > 0)
				WFIFOW(fd,c*2+4) = j;
			else
				WFIFOW(fd,c*2+4) = nameid;
			c++;
		}
	}
	WFIFOW(fd,2) = c*2+4;
	WFIFOSET(fd, WFIFOW(fd,2));
	if (c > 0) {
		sd->menuskill_id = AC_MAKINGARROW;
		sd->menuskill_val = c;
	}
}


/// Notifies the client, about the result of an status change request (ZC_STATUS_CHANGE_ACK).
/// 00bc <status id>.W <result>.B <value>.B
/// status id:
///     SP_STR ~ SP_LUK
/// result:
///     0 = failure
///     1 = success
void clif_statusupack(struct map_session_data *sd,int type,int ok,int val) {
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(0xbc));
	WFIFOW(fd,0) = 0xbc;
	WFIFOW(fd,2) = type;
	WFIFOB(fd,4) = ok;
	WFIFOB(fd,5) = cap_value(val, 0, UINT8_MAX);
	WFIFOSET(fd, packet_len(0xbc));
}


/// Notifies the client about the result of a request to equip an item.
/// 00aa <index>.W <equip location>.W <result>.B (ZC_REQ_WEAR_EQUIP_ACK)
/// 00aa <index>.W <equip location>.W <view id>.W <result>.B (PACKETVER >= 20100629)
/// 08d0 <index>.W <equip location>.W <view id>.W <result>.B (ZC_REQ_WEAR_EQUIP_ACK2)
/// 0999 <index>.W <equip location>.L <view id>.W <result>.B (ZC_ACK_WEAR_EQUIP_V5)
/// @ok: //inversed forv2 v5
///     0 = failure
///     1 = success
///     2 = failure due to low level
void clif_equipitemack(struct map_session_data *sd,int n,int pos,uint8 flag)
{
	int fd = 0, cmd = 0, look = 0;
	struct s_packet_db *info = NULL;

	nullpo_retv(sd);

	cmd = packet_db_ack[ZC_WEAR_EQUIP_ACK];
	if (!cmd || !(info = &packet_db[cmd]) || !info->len)
		return;

	fd = sd->fd;

	if (flag == ITEM_EQUIP_ACK_OK && sd->inventory_data[n]->equip&EQP_VISIBLE)
		look = sd->inventory_data[n]->look;

	WFIFOHEAD(fd, info->len);
	WFIFOW(fd, 0) = cmd;
	WFIFOW(fd, info->pos[0]) = n+2;
	switch (cmd) {
		case 0xaa:
			WFIFOW(fd, info->pos[1]) = pos;
#if PACKETVER < 20100629
			WFIFOW(fd, info->pos[2]) = (flag == ITEM_EQUIP_ACK_OK ? 1 : 0);
#else
			WFIFOL(fd, info->pos[2]) = look;
			WFIFOW(fd, info->pos[3]) = (flag == ITEM_EQUIP_ACK_OK ? 1 : 0);
#endif
			break;
		case 0x8d0:
			if (flag == ITEM_EQUIP_ACK_FAILLEVEL)
				flag = 1;
		case 0x999:
			if (cmd == 0x999)
				WFIFOL(fd, info->pos[1]) = pos;
			else
				WFIFOW(fd, info->pos[1]) = pos;
			WFIFOL(fd, info->pos[2]) = look;
			WFIFOW(fd, info->pos[3]) = flag;
			break;
	}
	WFIFOSET(fd, info->len);
}


/// Notifies the client about the result of a request to take off an item.
/// 00ac <index>.W <equip location>.W <result>.B (ZC_REQ_TAKEOFF_EQUIP_ACK)
/// 08d1 <index>.W <equip location>.W <result>.B (ZC_REQ_TAKEOFF_EQUIP_ACK2)
/// 099a <index>.W <equip location>.L <result>.B (ZC_ACK_TAKEOFF_EQUIP_V5)
/// @ok : //inversed for v2 v5
///     0 = failure
///     1 = success
void clif_unequipitemack(struct map_session_data *sd,int n,int pos,int ok)
{
	int fd, header, offs = 0;
#if PACKETVER >= 20130000
	header = 0x99a;
	ok = ok ? 0 : 1;
#elif PACKETVER >= 20110824
	header = 0x8d1;
	ok = ok ? 0 : 1;
#else
	header = 0xac;
#endif
	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd, packet_len(header));
	WFIFOW(fd,offs+0) = header;
	WFIFOW(fd,offs+2) = n+2;
#if PACKETVER >= 20130000
	WFIFOL(fd,offs+4) = pos;
	offs += 2;
#else
	WFIFOW(fd,offs+4) = pos;
#endif
	WFIFOB(fd,offs+6) = ok;
	WFIFOSET(fd, packet_len(header));
}


/// Notifies clients in the area about an special/visual effect (ZC_NOTIFY_EFFECT).
/// 019b <id>.L <effect id>.L
/// effect id:
///     0 = base level up
///     1 = job level up
///     2 = refine failure
///     3 = refine success
///     4 = game over
///     5 = pharmacy success
///     6 = pharmacy failure
///     7 = base level up (super novice)
///     8 = job level up (super novice)
///     9 = base level up (taekwon)
void clif_misceffect(struct block_list* bl,int type)
{
	unsigned char buf[32];

	nullpo_retv(bl);

	WBUFW(buf,0) = 0x19b;
	WBUFL(buf,2) = bl->id;
	WBUFL(buf,6) = type;

	clif_send(buf,packet_len(0x19b),bl,AREA);
}


/// Notifies clients in the area of a state change.
/// 0119 <id>.L <body state>.W <health state>.W <effect state>.W <pk mode>.B (ZC_STATE_CHANGE)
/// 0229 <id>.L <body state>.W <health state>.W <effect state>.L <pk mode>.B (ZC_STATE_CHANGE3)
void clif_changeoption(struct block_list* bl)
{
	unsigned char buf[32];
	struct status_change *sc;
	struct map_session_data* sd;

	nullpo_retv(bl);
	sc = status_get_sc(bl);
	if (!sc) return; //How can an option change if there's no sc?
	sd = BL_CAST(BL_PC, bl);

#if PACKETVER >= 7
	WBUFW(buf,0) = 0x229;
	WBUFL(buf,2) = bl->id;
	WBUFW(buf,6) = sc->opt1;
	WBUFW(buf,8) = sc->opt2;
	WBUFL(buf,10) = sc->option;
	WBUFB(buf,14) = (sd)? sd->status.karma : 0;
	if(disguised(bl)) {
		clif_send(buf,packet_len(0x229),bl,AREA_WOS);
		WBUFL(buf,2) = -bl->id;
		clif_send(buf,packet_len(0x229),bl,SELF);
		WBUFL(buf,2) = bl->id;
		WBUFL(buf,10) = OPTION_INVISIBLE;
		clif_send(buf,packet_len(0x229),bl,SELF);
	} else
		clif_send(buf,packet_len(0x229),bl,AREA);
#else
	WBUFW(buf,0) = 0x119;
	WBUFL(buf,2) = bl->id;
	WBUFW(buf,6) = sc->opt1;
	WBUFW(buf,8) = sc->opt2;
	WBUFW(buf,10) = sc->option;
	WBUFB(buf,12) = (sd)? sd->status.karma : 0;
	if(disguised(bl)) {
		clif_send(buf,packet_len(0x119),bl,AREA_WOS);
		WBUFL(buf,2) = -bl->id;
		clif_send(buf,packet_len(0x119),bl,SELF);
		WBUFL(buf,2) = bl->id;
		WBUFW(buf,10) = OPTION_INVISIBLE;
		clif_send(buf,packet_len(0x119),bl,SELF);
	} else
		clif_send(buf,packet_len(0x119),bl,AREA);
#endif

	//Whenever we send "changeoption" to the client, the provoke icon is lost
	//There is probably an option for the provoke icon, but as we don't know it, we have to do this for now
	if (sc->data[SC_PROVOKE]) {
		const struct TimerData *td = get_timer(sc->data[SC_PROVOKE]->timer);

		clif_status_change(bl, StatusIconChangeTable[SC_PROVOKE], 1, (!td ? INFINITE_TICK : DIFF_TICK(td->tick, gettick())), 0, 0, 0);
	}
}


/// Displays status change effects on NPCs/monsters (ZC_NPC_SHOWEFST_UPDATE).
/// 028a <id>.L <effect state>.L <level>.L <showEFST>.L
void clif_changeoption2(struct block_list* bl)
{
	unsigned char buf[20];
	struct status_change *sc;

	sc = status_get_sc(bl);
	if (!sc) return; //How can an option change if there's no sc?

	WBUFW(buf,0) = 0x28a;
	WBUFL(buf,2) = bl->id;
	WBUFL(buf,6) = sc->option;
	WBUFL(buf,10) = clif_setlevel(bl);
	WBUFL(buf,14) = sc->opt3;
	if(disguised(bl)) {
		clif_send(buf,packet_len(0x28a),bl,AREA_WOS);
		WBUFL(buf,2) = -bl->id;
		clif_send(buf,packet_len(0x28a),bl,SELF);
		WBUFL(buf,2) = bl->id;
		WBUFL(buf,6) = OPTION_INVISIBLE;
		clif_send(buf,packet_len(0x28a),bl,SELF);
	} else
		clif_send(buf,packet_len(0x28a),bl,AREA);
}


/// Notifies the client about the result of an item use request.
/// 00a8 <index>.W <amount>.W <result>.B (ZC_USE_ITEM_ACK)
/// 01c8 <index>.W <name id>.W <id>.L <amount>.W <result>.B (ZC_USE_ITEM_ACK2)
void clif_useitemack(struct map_session_data *sd,int index,int amount,bool ok)
{
	nullpo_retv(sd);

	if(!ok) {
		int fd=sd->fd;
		WFIFOHEAD(fd,packet_len(0xa8));
		WFIFOW(fd,0)=0xa8;
		WFIFOW(fd,2)=index+2;
		WFIFOW(fd,4)=amount;
		WFIFOB(fd,6)=ok;
		WFIFOSET(fd,packet_len(0xa8));
	}
	else {
#if PACKETVER < 3
		int fd=sd->fd;
		WFIFOHEAD(fd,packet_len(0xa8));
		WFIFOW(fd,0)=0xa8;
		WFIFOW(fd,2)=index+2;
		WFIFOW(fd,4)=amount;
		WFIFOB(fd,6)=ok;
		WFIFOSET(fd,packet_len(0xa8));
#else
		unsigned char buf[32];

		WBUFW(buf,0)=0x1c8;
		WBUFW(buf,2)=index+2;
		if(sd->inventory_data[index] && sd->inventory_data[index]->view_id > 0)
			WBUFW(buf,4)=sd->inventory_data[index]->view_id;
		else
			WBUFW(buf,4)=sd->inventory.u.items_inventory[index].nameid;
		WBUFL(buf,6)=sd->bl.id;
		WBUFW(buf,10)=amount;
		WBUFB(buf,12)=ok;
		clif_send(buf,packet_len(0x1c8),&sd->bl,AREA);
#endif
	}
}


/// Inform client whether chatroom creation was successful or not (ZC_ACK_CREATE_CHATROOM).
/// 00d6 <flag>.B
/// flag:
///     0 = Room has been successfully created (opens chat room)
///     1 = Room limit exceeded
///     2 = Same room already exists
void clif_createchat(struct map_session_data* sd, int flag)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0xd6));
	WFIFOW(fd,0) = 0xd6;
	WFIFOB(fd,2) = flag;
	WFIFOSET(fd,packet_len(0xd6));
}


/// Display a chat above the owner (ZC_ROOM_NEWENTRY).
/// 00d7 <packet len>.W <owner id>.L <char id>.L <limit>.W <users>.W <type>.B <title>.?B
/// type:
///     0 = private (password protected)
///     1 = public
///     2 = arena (npc waiting room)
///     3 = PK zone (non-clickable)
void clif_dispchat(struct chat_data* cd, int fd)
{
	unsigned char buf[128];
	uint8 type;

	if( cd == NULL || cd->owner == NULL )
		return;

	type = (cd->owner->type == BL_PC ) ? (cd->pub) ? 1 : 0
	     : (cd->owner->type == BL_NPC) ? (cd->limit) ? 2 : 3
	     : 1;

	WBUFW(buf, 0) = 0xd7;
	WBUFW(buf, 2) = (uint16)(17 + strlen(cd->title));
	WBUFL(buf, 4) = cd->owner->id;
	WBUFL(buf, 8) = cd->bl.id;
	WBUFW(buf,12) = cd->limit;
	WBUFW(buf,14) = (cd->owner->type == BL_NPC) ? cd->users+1 : cd->users;
	WBUFB(buf,16) = type;
	memcpy(WBUFCP(buf,17), cd->title, strlen(cd->title)); // not zero-terminated

	if( fd ) {
		WFIFOHEAD(fd,WBUFW(buf,2));
		memcpy(WFIFOP(fd,0),buf,WBUFW(buf,2));
		WFIFOSET(fd,WBUFW(buf,2));
	} else {
		clif_send(buf,WBUFW(buf,2),cd->owner,AREA_WOSC);
	}
}


/// Chatroom properties adjustment (ZC_CHANGE_CHATROOM).
/// 00df <packet len>.W <owner id>.L <chat id>.L <limit>.W <users>.W <type>.B <title>.?B
/// type:
///     0 = private (password protected)
///     1 = public
///     2 = arena (npc waiting room)
///     3 = PK zone (non-clickable)
void clif_changechatstatus(struct chat_data* cd)
{
	unsigned char buf[128];
	uint8 type;

	if( cd == NULL || cd->usersd[0] == NULL )
		return;

	type = (cd->owner->type == BL_PC ) ? (cd->pub) ? 1 : 0
	     : (cd->owner->type == BL_NPC) ? (cd->limit) ? 2 : 3
	     : 1;

	WBUFW(buf, 0) = 0xdf;
	WBUFW(buf, 2) = (uint16)(17 + strlen(cd->title));
	WBUFL(buf, 4) = cd->owner->id;
	WBUFL(buf, 8) = cd->bl.id;
	WBUFW(buf,12) = cd->limit;
	WBUFW(buf,14) = (cd->owner->type == BL_NPC) ? cd->users+1 : cd->users;
	WBUFB(buf,16) = type;
	memcpy(WBUFCP(buf,17), cd->title, strlen(cd->title)); // not zero-terminated

	clif_send(buf,WBUFW(buf,2),cd->owner,CHAT);
}


/// Removes the chatroom (ZC_DESTROY_ROOM).
/// 00d8 <chat id>.L
void clif_clearchat(struct chat_data *cd,int fd)
{
	unsigned char buf[32];

	nullpo_retv(cd);

	WBUFW(buf,0) = 0xd8;
	WBUFL(buf,2) = cd->bl.id;
	if( fd ) {
		WFIFOHEAD(fd,packet_len(0xd8));
		memcpy(WFIFOP(fd,0),buf,packet_len(0xd8));
		WFIFOSET(fd,packet_len(0xd8));
	} else {
		clif_send(buf,packet_len(0xd8),cd->owner,AREA_WOSC);
	}
}


/// Displays messages regarding join chat failures (ZC_REFUSE_ENTER_ROOM).
/// 00da <result>.B
/// result:
///     0 = room full
///     1 = wrong password
///     2 = kicked
///     3 = success (no message)
///     4 = no enough zeny
///     5 = too low level
///     6 = too high level
///     7 = unsuitable job class
void clif_joinchatfail(struct map_session_data *sd,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xda));
	WFIFOW(fd,0) = 0xda;
	WFIFOB(fd,2) = flag;
	WFIFOSET(fd,packet_len(0xda));
}


/// Notifies the client about entering a chatroom (ZC_ENTER_ROOM).
/// 00db <packet len>.W <chat id>.L { <role>.L <name>.24B }*
/// role:
///     0 = owner (menu)
///     1 = normal
void clif_joinchatok(struct map_session_data *sd,struct chat_data* cd)
{
	int fd;
	int i,t;

	nullpo_retv(sd);
	nullpo_retv(cd);

	fd = sd->fd;
	if (!session_isActive(fd))
		return;
	t = (int)(cd->owner->type == BL_NPC);
	WFIFOHEAD(fd, 8 + (28*(cd->users+t)));
	WFIFOW(fd, 0) = 0xdb;
	WFIFOW(fd, 2) = 8 + (28*(cd->users+t));
	WFIFOL(fd, 4) = cd->bl.id;

	if(cd->owner->type == BL_NPC){
		WFIFOL(fd, 30) = 1;
		WFIFOL(fd, 8) = 0;
		safestrncpy(WFIFOCP(fd, 12), ((struct npc_data *)cd->owner)->name, NAME_LENGTH);
		for (i = 0; i < cd->users; i++) {
			WFIFOL(fd, 8+(i+1)*28) = 1;
			safestrncpy(WFIFOCP(fd, 8+(i+t)*28+4), cd->usersd[i]->status.name, NAME_LENGTH);
		}
	}else{
		for (i = 0; i < cd->users; i++) {
			WFIFOL(fd, 8+i*28) = (i != 0 || cd->owner->type == BL_NPC);
			safestrncpy(WFIFOCP(fd, 8+(i+t)*28+4), cd->usersd[i]->status.name, NAME_LENGTH);
		}
	}
	WFIFOSET(fd, WFIFOW(fd, 2));
}


/// Notifies clients in a chat about a new member (ZC_MEMBER_NEWENTRY).
/// 00dc <users>.W <name>.24B
void clif_addchat(struct chat_data* cd,struct map_session_data *sd)
{
	unsigned char buf[29];

	nullpo_retv(sd);
	nullpo_retv(cd);

	WBUFW(buf, 0) = 0xdc;
	WBUFW(buf, 2) = cd->users;
	safestrncpy(WBUFCP(buf, 4),sd->status.name,NAME_LENGTH);
	clif_send(buf,packet_len(0xdc),&sd->bl,CHAT_WOS);
}


/// Announce the new owner (ZC_ROLE_CHANGE).
/// 00e1 <role>.L <nick>.24B
/// role:
///     0 = owner (menu)
///     1 = normal
void clif_changechatowner(struct chat_data* cd, struct map_session_data* sd)
{
	unsigned char buf[64];

	nullpo_retv(sd);
	nullpo_retv(cd);

	WBUFW(buf, 0) = 0xe1;
	WBUFL(buf, 2) = 1;
	safestrncpy(WBUFCP(buf,6),cd->usersd[0]->status.name,NAME_LENGTH);

	WBUFW(buf,30) = 0xe1;
	WBUFL(buf,32) = 0;
	safestrncpy(WBUFCP(buf,36),sd->status.name,NAME_LENGTH);

	clif_send(buf,packet_len(0xe1)*2,&sd->bl,CHAT);
}


/// Notify about user leaving the chatroom (ZC_MEMBER_EXIT).
/// 00dd <users>.W <nick>.24B <flag>.B
/// flag:
///     0 = left
///     1 = kicked
void clif_leavechat(struct chat_data* cd, struct map_session_data* sd, bool flag)
{
	unsigned char buf[32];

	nullpo_retv(sd);
	nullpo_retv(cd);

	WBUFW(buf, 0) = 0xdd;
	WBUFW(buf, 2) = cd->users-1;
	safestrncpy(WBUFCP(buf,4),sd->status.name,NAME_LENGTH);
	WBUFB(buf,28) = flag;

	clif_send(buf,packet_len(0xdd),&sd->bl,CHAT);
}


/// Opens a trade request window from char 'name'.
/// 00e5 <nick>.24B (ZC_REQ_EXCHANGE_ITEM)
/// 01f4 <nick>.24B <charid>.L <baselvl>.W (ZC_REQ_EXCHANGE_ITEM2)
void clif_traderequest(struct map_session_data* sd, const char* name)
{
	int fd = sd->fd;

#if PACKETVER < 6
	WFIFOHEAD(fd,packet_len(0xe5));
	WFIFOW(fd,0) = 0xe5;
	safestrncpy(WFIFOCP(fd,2), name, NAME_LENGTH);
	WFIFOSET(fd,packet_len(0xe5));
#else
	struct map_session_data* tsd = map_id2sd(sd->trade_partner);
	if( !tsd ) return;

	WFIFOHEAD(fd,packet_len(0x1f4));
	WFIFOW(fd,0) = 0x1f4;
	safestrncpy(WFIFOCP(fd,2), name, NAME_LENGTH);
	WFIFOL(fd,26) = tsd->status.char_id;
	WFIFOW(fd,30) = tsd->status.base_level;
	WFIFOSET(fd,packet_len(0x1f4));
#endif
}


/// Reply to a trade-request.
/// 00e7 <result>.B (ZC_ACK_EXCHANGE_ITEM)
/// 01f5 <result>.B <charid>.L <baselvl>.W (ZC_ACK_EXCHANGE_ITEM2)
/// result:
///     0 = Char is too far
///     1 = Character does not exist
///     2 = Trade failed
///     3 = Accept
///     4 = Cancel
///     5 = Busy
void clif_tradestart(struct map_session_data* sd, uint8 type)
{
	int fd = sd->fd;
	struct map_session_data* tsd = map_id2sd(sd->trade_partner);
	if( PACKETVER < 6 || !tsd ) {
		WFIFOHEAD(fd,packet_len(0xe7));
		WFIFOW(fd,0) = 0xe7;
		WFIFOB(fd,2) = type;
		WFIFOSET(fd,packet_len(0xe7));
	} else {
		WFIFOHEAD(fd,packet_len(0x1f5));
		WFIFOW(fd,0) = 0x1f5;
		WFIFOB(fd,2) = type;
		WFIFOL(fd,3) = tsd->status.char_id;
		WFIFOW(fd,7) = tsd->status.base_level;
		WFIFOSET(fd,packet_len(0x1f5));
	}
}


/// Notifies the client about an item from other player in current trade.
/// 00e9 <amount>.L <nameid>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W (ZC_ADD_EXCHANGE_ITEM)
/// 080f <nameid>.W <item type>.B <amount>.L <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W (ZC_ADD_EXCHANGE_ITEM2)
/// 0a09 <nameid>.W <item type>.B <amount>.L <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W { <option id>.W <option value>.W <option param>.B }*5 (ZC_ADD_EXCHANGE_ITEM3)
void clif_tradeadditem(struct map_session_data* sd, struct map_session_data* tsd, int index, int amount)
{
	int fd;
	unsigned char *buf;
#if PACKETVER < 20100223
	const int cmd = 0xe9;
#elif PACKETVER < 20150225
	const int cmd = 0x80f;
#else
	const int cmd = 0xa09;
#endif
	nullpo_retv(sd);
	nullpo_retv(tsd);

	fd = tsd->fd;
	buf = WFIFOP(fd,0);
	WFIFOHEAD(fd,packet_len(cmd));
	WBUFW(buf,0) = cmd;
	if( index == 0 )
	{
#if PACKETVER < 20100223
		WBUFL(buf,2) = amount; //amount
		WBUFW(buf,6) = 0; // type id
#else
		WBUFW(buf,2) = 0;      // type id
		WBUFB(buf,4) = 0;      // item type
		WBUFL(buf,5) = amount; // amount
		buf = WBUFP(buf,1); //Advance 1B
#endif
		WBUFB(buf,8) = 0; //identify flag
		WBUFB(buf,9) = 0; // attribute
		WBUFB(buf,10)= 0; //refine
		WBUFW(buf,11)= 0; //card (4w)
		WBUFW(buf,13)= 0; //card (4w)
		WBUFW(buf,15)= 0; //card (4w)
		WBUFW(buf,17)= 0; //card (4w)
#if PACKETVER >= 20150225
		clif_add_random_options(WBUFP(buf, 19), &sd->inventory.u.items_inventory[index]);
#endif
	}
	else
	{
		index -= 2; //index fix
#if PACKETVER < 20100223
		WBUFL(buf,2) = amount; //amount
		if(sd->inventory_data[index] && sd->inventory_data[index]->view_id > 0)
			WBUFW(buf,6) = sd->inventory_data[index]->view_id;
		else
			WBUFW(buf,6) = sd->inventory.u.items_inventory[index].nameid; // type id
#else
		if(sd->inventory_data[index] && sd->inventory_data[index]->view_id > 0)
			WBUFW(buf,2) = sd->inventory_data[index]->view_id;
		else
			WBUFW(buf,2) = sd->inventory.u.items_inventory[index].nameid;       // type id
		WBUFB(buf,4) = sd->inventory_data[index]->type;          // item type
		WBUFL(buf,5) = amount; // amount
		buf = WBUFP(buf,1); //Advance 1B
#endif
		WBUFB(buf,8) = sd->inventory.u.items_inventory[index].identify; //identify flag
		WBUFB(buf,9) = sd->inventory.u.items_inventory[index].attribute; // attribute
		WBUFB(buf,10)= sd->inventory.u.items_inventory[index].refine; //refine
		clif_addcards(WBUFP(buf, 11), &sd->inventory.u.items_inventory[index]);
#if PACKETVER >= 20150225
		clif_add_random_options(WBUFP(buf, 19), &sd->inventory.u.items_inventory[index]);
#endif
	}
	WFIFOSET(fd,packet_len(cmd));
}


/// Notifies the client about the result of request to add an item to the current trade (ZC_ACK_ADD_EXCHANGE_ITEM).
/// 00ea <index>.W <result>.B
/// result:
///     0 = success
///     1 = overweight
///     2 = trade canceled
void clif_tradeitemok(struct map_session_data* sd, int index, int fail)
{
	int fd;
	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0xea));
	WFIFOW(fd,0) = 0xea;
	WFIFOW(fd,2) = index;
	WFIFOB(fd,4) = fail;
	WFIFOSET(fd,packet_len(0xea));
}


/// Notifies the client about finishing one side of the current trade (ZC_CONCLUDE_EXCHANGE_ITEM).
/// 00ec <who>.B
/// who:
///     0 = self
///     1 = other player
void clif_tradedeal_lock(struct map_session_data* sd, int fail)
{
	int fd;
	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0xec));
	WFIFOW(fd,0) = 0xec;
	WFIFOB(fd,2) = fail;
	WFIFOSET(fd,packet_len(0xec));
}


/// Notifies the client about the trade being canceled (ZC_CANCEL_EXCHANGE_ITEM).
/// 00ee
void clif_tradecancelled(struct map_session_data* sd)
{
	int fd;
	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0xee));
	WFIFOW(fd,0) = 0xee;
	WFIFOSET(fd,packet_len(0xee));
}


/// Result of a trade (ZC_EXEC_EXCHANGE_ITEM).
/// 00f0 <result>.B
/// result:
///     0 = success
///     1 = failure
void clif_tradecompleted(struct map_session_data* sd, int fail)
{
	int fd;
	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0xf0));
	WFIFOW(fd,0) = 0xf0;
	WFIFOB(fd,2) = fail;
	WFIFOSET(fd,packet_len(0xf0));
}


/// Resets the trade window on the send side (ZC_EXCHANGEITEM_UNDO).
/// 00f1
/// NOTE: Unknown purpose. Items are not removed until the window is
///       refreshed (ex. by putting another item in there).
void clif_tradeundo(struct map_session_data* sd)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xf1));
	WFIFOW(fd,0) = 0xf1;
	WFIFOSET(fd,packet_len(0xf1));
}


/// Updates storage total amount (ZC_NOTIFY_STOREITEM_COUNTINFO).
/// 00f2 <current count>.W <max count>.W
void clif_updatestorageamount(struct map_session_data* sd, int amount, int max_amount)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0xf2));
	WFIFOW(fd,0) = 0xf2;
	WFIFOW(fd,2) = amount;
	WFIFOW(fd,4) = max_amount;
	WFIFOSET(fd,packet_len(0xf2));
}


/// Notifies the client of an item being added to the storage.
/// 00f4 <index>.W <amount>.L <nameid>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W (ZC_ADD_ITEM_TO_STORE)
/// 01c4 <index>.W <amount>.L <nameid>.W <type>.B <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W (ZC_ADD_ITEM_TO_STORE2)
/// 0a0a <index>.W <amount>.L <nameid>.W <type>.B <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W { <option id>.W <option value>.W <option param>.B }*5 (ZC_ADD_ITEM_TO_STORE3)
void clif_storageitemadded(struct map_session_data* sd, struct item* i, int index, int amount)
{
#if PACKETVER < 5
	const int cmd = 0xf4;
#elif PACKETVER < 20150225
	const int cmd = 0x1c4;
#else
	const int cmd = 0xa0a;
#endif
	int view,fd;
	int offset = 0;

	nullpo_retv(sd);
	nullpo_retv(i);
	fd=sd->fd;
	view = itemdb_viewid(i->nameid);

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd, 0) = cmd; // Storage item added
	WFIFOW(fd, 2) = index+1; // index
	WFIFOL(fd, 4) = amount; // amount
	WFIFOW(fd, 8) = ( view > 0 ) ? view : i->nameid; // id
#if PACKETVER >= 5
	WFIFOB(fd,10) = itemtype(i->nameid); //type
	offset += 1;
#endif
	WFIFOB(fd,10+offset) = i->identify; //identify flag
	WFIFOB(fd,11+offset) = i->attribute; // attribute
	WFIFOB(fd,12+offset) = i->refine; //refine
	clif_addcards(WFIFOP(fd,13+offset), i);
#if PACKETVER >= 20150225
	clif_add_random_options(WFIFOP(fd,21+offset), i);
#endif
	WFIFOSET(fd,packet_len(cmd));
}


/// Notifies the client of an item being deleted from the storage (ZC_DELETE_ITEM_FROM_STORE).
/// 00f6 <index>.W <amount>.L
void clif_storageitemremoved(struct map_session_data* sd, int index, int amount)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0xf6));
	WFIFOW(fd,0)=0xf6; // Storage item removed
	WFIFOW(fd,2)=index+1;
	WFIFOL(fd,4)=amount;
	WFIFOSET(fd,packet_len(0xf6));
}


/// Closes storage (ZC_CLOSE_STORE).
/// 00f8
void clif_storageclose(struct map_session_data* sd)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0xf8));
	WFIFOW(fd,0) = 0xf8; // Storage Closed
	WFIFOSET(fd,packet_len(0xf8));
}

/*==========================================
 * Server tells 'sd' player client the abouts of 'dstsd' player
 *------------------------------------------*/
static void clif_getareachar_pc(struct map_session_data* sd,struct map_session_data* dstsd)
{
	struct block_list *d_bl;
	int i;

	if( dstsd->chatID ) {
		struct chat_data *cd = NULL;
		if( (cd = (struct chat_data*)map_id2bl(dstsd->chatID)) && cd->usersd[0]==dstsd)
			clif_dispchat(cd,sd->fd);
	} else if( dstsd->state.vending )
		clif_showvendingboard(&dstsd->bl,dstsd->message,sd->fd);
	else if( dstsd->state.buyingstore )
		clif_buyingstore_entry_single(sd, dstsd);

	if(dstsd->spiritball > 0)
		clif_spiritball_single(sd->fd, dstsd);
	if (dstsd->spiritcharm_type != CHARM_TYPE_NONE && dstsd->spiritcharm > 0)
		clif_spiritcharm_single(sd->fd, dstsd);
	if( (sd->status.party_id && dstsd->status.party_id == sd->status.party_id) || //Party-mate, or hpdisp setting.
		(sd->bg_id && sd->bg_id == dstsd->bg_id) || //BattleGround
		pc_has_permission(sd, PC_PERM_VIEW_HPMETER)
	)
	clif_hpmeter_single(sd->fd, dstsd->bl.id, dstsd->battle_status.hp, dstsd->battle_status.max_hp);

	// display link (sd - dstsd) to sd
	ARR_FIND( 0, MAX_DEVOTION, i, sd->devotion[i] == dstsd->bl.id );
	if( i < MAX_DEVOTION )
		clif_devotion(&sd->bl, sd);
	// display links (dstsd - devotees) to sd
	ARR_FIND( 0, MAX_DEVOTION, i, dstsd->devotion[i] > 0 );
	if( i < MAX_DEVOTION )
		clif_devotion(&dstsd->bl, sd);
	// display link (dstsd - crusader) to sd
	if( dstsd->sc.data[SC_DEVOTION] && (d_bl = map_id2bl(dstsd->sc.data[SC_DEVOTION]->val1)) != NULL )
		clif_devotion(d_bl, sd);
}

void clif_getareachar_unit(struct map_session_data* sd,struct block_list *bl)
{
	uint8 buf[128];
	struct unit_data *ud;
	struct view_data *vd;
	int len;

	vd = status_get_viewdata(bl);
	if (!vd || vd->class_ == JT_INVISIBLE)
		return;

	/**
	* Hide NPC from maya purple card.
	**/
	if(bl->type == BL_NPC && !((TBL_NPC*)bl)->chat_id && (((TBL_NPC*)bl)->sc.option&OPTION_INVISIBLE))
		return;

	ud = unit_bl2ud(bl);
	len = ( ud && ud->walktimer != INVALID_TIMER ) ? clif_set_unit_walking(bl,ud,buf) : clif_set_unit_idle(bl,buf,false);
	clif_send(buf,len,&sd->bl,SELF);

	if (vd->cloth_color)
		clif_refreshlook(&sd->bl,bl->id,LOOK_CLOTHES_COLOR,vd->cloth_color,SELF);
	if (vd->body_style)
		clif_refreshlook(&sd->bl,bl->id,LOOK_BODY2,vd->body_style,SELF);

	switch (bl->type)
	{
	case BL_PC:
		{
			TBL_PC* tsd = (TBL_PC*)bl;

			clif_getareachar_pc(sd, tsd);
			if(tsd->state.size==SZ_BIG) // tiny/big players [Valaris]
				clif_specialeffect_single(bl,EF_GIANTBODY2,sd->fd);
			else if(tsd->state.size==SZ_MEDIUM)
				clif_specialeffect_single(bl,EF_BABYBODY2,sd->fd);
			if( tsd->bg_id && map_getmapflag(tsd->bl.m, MF_BATTLEGROUND) )
				clif_sendbgemblem_single(sd->fd,tsd);
			if ( tsd->status.robe )
				clif_refreshlook(&sd->bl,bl->id,LOOK_ROBE,tsd->status.robe,SELF);
			clif_efst_status_change_sub(&sd->bl, bl, SELF);
			clif_hat_effects(sd,bl,SELF);
		}
		break;
	case BL_MER: // Devotion Effects
		if( ((TBL_MER*)bl)->devotion_flag )
			clif_devotion(bl, sd);
		break;
	case BL_NPC:
		{
			TBL_NPC* nd = (TBL_NPC*)bl;
			if( nd->chat_id )
				clif_dispchat((struct chat_data*)map_id2bl(nd->chat_id),sd->fd);
			if( nd->size == SZ_BIG )
				clif_specialeffect_single(bl,EF_GIANTBODY2,sd->fd);
			else if( nd->size == SZ_MEDIUM )
				clif_specialeffect_single(bl,EF_BABYBODY2,sd->fd);
			clif_efst_status_change_sub(&sd->bl, bl, SELF);
			clif_progressbar_npc(nd, sd);
		}
		break;
	case BL_MOB:
		{
			TBL_MOB* md = (TBL_MOB*)bl;
			if(md->special_state.size==SZ_BIG) // tiny/big mobs [Valaris]
				clif_specialeffect_single(bl,EF_GIANTBODY2,sd->fd);
			else if(md->special_state.size==SZ_MEDIUM)
				clif_specialeffect_single(bl,EF_BABYBODY2,sd->fd);
#if PACKETVER >= 20120404
			if (battle_config.monster_hp_bars_info && !map_getmapflag(bl->m, MF_HIDEMOBHPBAR)) {
				int i;
				for(i = 0; i < DAMAGELOG_SIZE; i++)// must show hp bar to all char who already hit the mob.
					if( md->dmglog[i].id == sd->status.char_id )
						clif_monster_hp_bar(md, sd->fd);
			}
#endif
		}
		break;
	case BL_PET:
		if (vd->head_bottom)
			clif_pet_equip(sd, (TBL_PET*)bl); // needed to display pet equip properly
		break;
	}
}

//Modifies the type of damage according to status changes [Skotlex]
//Aegis data specifies that: 4 endure against single hit sources, 9 against multi-hit.
static enum e_damage_type clif_calc_delay(enum e_damage_type type, int div, int64 damage, int delay)
{
	return ( delay == 0 && damage > 0 ) ? ( div > 1 ? DMG_MULTI_HIT_ENDURE : DMG_ENDURE ) : type;
}

/*==========================================
 * Estimates walk delay based on the damage criteria. [Skotlex]
 *------------------------------------------*/
static int clif_calc_walkdelay(struct block_list *bl,int delay, char type, int64 damage, int div_)
{
	if (type == DMG_ENDURE || type == DMG_MULTI_HIT_ENDURE || damage <= 0)
		return 0;

	if (bl->type == BL_PC) {
		if (battle_config.pc_walk_delay_rate != 100)
			delay = delay*battle_config.pc_walk_delay_rate/100;
	} else
		if (battle_config.walk_delay_rate != 100)
			delay = delay*battle_config.walk_delay_rate/100;

	if (div_ > 1) //Multi-hit skills mean higher delays.
		delay += battle_config.multihit_delay*(div_-1);

	return (delay > 0) ? delay:1; //Return 1 to specify there should be no noticeable delay, but you should stop walking.
}

/*========================================== [Playtester]
* Returns hallucination damage the client displays
*------------------------------------------*/
static int clif_hallucination_damage()
{
	int digit = rnd() % 5 + 1;
	switch (digit)
	{
	case 1:
		return (rnd() % 10);
	case 2:
		return (rnd() % 100);
	case 3:
		return (rnd() % 1000);
	case 4:
		return (rnd() % 10000);
	}
	return (rnd() % 32767);
}

/// Sends a 'damage' packet (src performs action on dst)
/// 008a <src ID>.L <dst ID>.L <server tick>.L <src speed>.L <dst speed>.L <damage>.W <div>.W <type>.B <damage2>.W (ZC_NOTIFY_ACT)
/// 02e1 <src ID>.L <dst ID>.L <server tick>.L <src speed>.L <dst speed>.L <damage>.L <div>.W <type>.B <damage2>.L (ZC_NOTIFY_ACT2)
/// 08c8 <src ID>.L <dst ID>.L <server tick>.L <src speed>.L <dst speed>.L <damage>.L <IsSPDamage>.B <div>.W <type>.B <damage2>.L (ZC_NOTIFY_ACT3)
/// type:
///     0 = damage [ damage: total damage, div: amount of hits, damage2: assassin dual-wield damage ]
///     1 = pick up item
///     2 = sit down
///     3 = stand up
///     4 = damage (endure)
///     5 = (splash?)
///     6 = (skill?)
///     7 = (repeat damage?)
///     8 = multi-hit damage
///     9 = multi-hit damage (endure)
///     10 = critical hit
///     11 = lucky dodge
///     12 = (touch skill?)
int clif_damage(struct block_list* src, struct block_list* dst, t_tick tick, int sdelay, int ddelay, int64 sdamage, int div, enum e_damage_type type, int64 sdamage2, bool spdamage)
{
	unsigned char buf[34];
	struct status_change *sc;
	int damage = (int)cap_value(sdamage,INT_MIN,INT_MAX);
	int damage2 = (int)cap_value(sdamage2,INT_MIN,INT_MAX);
#if PACKETVER < 20071113
	const int cmd = 0x8a;
	int offset = 0;
#elif PACKETVER < 20131223
	const int cmd = 0x2e1;
	int offset = 2;
#else
	const int cmd = 0x8c8;
	int offset = 3;
#endif

	nullpo_ret(src);
	nullpo_ret(dst);

	type = clif_calc_delay(type,div,damage+damage2,ddelay);
	sc = status_get_sc(dst);
	if(sc && sc->count) {
		if(sc->data[SC_HALLUCINATION]) {
			if(damage) damage = clif_hallucination_damage();
			if(damage2) damage2 = clif_hallucination_damage();
		}
	}

	WBUFW(buf,0) = cmd;
	WBUFL(buf,2) = src->id;
	WBUFL(buf,6) = dst->id;
	WBUFL(buf,10) = client_tick(tick);
	WBUFL(buf,14) = sdelay;
	WBUFL(buf,18) = ddelay;
	if (battle_config.hide_woe_damage && map_flag_gvg(src->m)) {
#if PACKETVER < 20071113
		WBUFW(buf,22) = damage ? div : 0;
		WBUFW(buf,27+offset) = damage2 ? div : 0;
#else
		WBUFL(buf, 22) = damage ? div : 0;
		WBUFL(buf, 27 + offset) = damage2 ? div : 0;
#endif
	} else {
#if PACKETVER < 20071113
		WBUFW(buf,22) = min(damage, INT16_MAX);
		WBUFW(buf,27+offset) = damage2;
#else
		WBUFL(buf,22) = damage;
		WBUFL(buf,27+offset) = damage2;
#endif
	}
#if PACKETVER >= 20131223
	WBUFB(buf,26) = (spdamage) ? 1 : 0; // IsSPDamage - Displays blue digits.
#endif
	WBUFW(buf,24+offset) = div;
	WBUFB(buf,26+offset) = type;

	if(disguised(dst)) {
		clif_send(buf, packet_len(cmd), dst, AREA_WOS);
		WBUFL(buf,6) = -dst->id;
		clif_send(buf, packet_len(cmd), dst, SELF);
	} else
		clif_send(buf, packet_len(cmd), dst, AREA);

	if(disguised(src)) {
		WBUFL(buf,2) = -src->id;
		if (disguised(dst))
			WBUFL(buf,6) = dst->id;
#if PACKETVER < 20071113
		if(damage > 0) WBUFW(buf,22) = -1;
		if(damage2 > 0) WBUFW(buf,27) = -1;
#else
		if(damage > 0) WBUFL(buf,22) = -1;
		if(damage2 > 0) WBUFL(buf,27+offset) = -1;
#endif
		clif_send(buf,packet_len(cmd),src,SELF);
	}

	if(src == dst) {
		unit_setdir(src, unit_getdir(src));
	}
	//Return adjusted can't walk delay for further processing.
	return clif_calc_walkdelay(dst, ddelay, type, damage+damage2, div);
}

/*==========================================
 * src picks up dst
 *------------------------------------------*/
void clif_takeitem(struct block_list* src, struct block_list* dst)
{
	//clif_damage(src,dst,0,0,0,0,0,DMG_PICKUP_ITEM,0,false);
	unsigned char buf[32];

	nullpo_retv(src);
	nullpo_retv(dst);

	WBUFW(buf, 0) = 0x8a;
	WBUFL(buf, 2) = src->id;
	WBUFL(buf, 6) = dst->id;
	WBUFB(buf,26) = 1;
	clif_send(buf, packet_len(0x8a), src, AREA);

}

/*==========================================
 * inform clients in area that `bl` is sitting
 *------------------------------------------*/
void clif_sitting(struct block_list* bl)
{
	unsigned char buf[32];
	nullpo_retv(bl);

	WBUFW(buf, 0) = 0x8a;
	WBUFL(buf, 2) = bl->id;
	WBUFB(buf,26) = 2;
	clif_send(buf, packet_len(0x8a), bl, AREA);

	if(disguised(bl)) {
		WBUFL(buf, 2) = - bl->id;
		clif_send(buf, packet_len(0x8a), bl, SELF);
	}
}

/*==========================================
 * inform clients in area that `bl` is standing
 *------------------------------------------*/
void clif_standing(struct block_list* bl)
{
	unsigned char buf[32];
	nullpo_retv(bl);

	WBUFW(buf, 0) = 0x8a;
	WBUFL(buf, 2) = bl->id;
	WBUFB(buf,26) = 3;
	clif_send(buf, packet_len(0x8a), bl, AREA);

	if(disguised(bl)) {
		WBUFL(buf, 2) = - bl->id;
		clif_send(buf, packet_len(0x8a), bl, SELF);
	}
}


/// Inform client(s) about a map-cell change (ZC_UPDATE_MAPINFO).
/// 0192 <x>.W <y>.W <type>.W <map name>.16B
void clif_changemapcell(int fd, int16 m, int x, int y, int type, enum send_target target)
{
	unsigned char buf[32];

	WBUFW(buf,0) = 0x192;
	WBUFW(buf,2) = x;
	WBUFW(buf,4) = y;
	WBUFW(buf,6) = type;
	mapindex_getmapname_ext(map_mapid2mapname(m),WBUFCP(buf,8));

	if( fd )
	{
		WFIFOHEAD(fd,packet_len(0x192));
		memcpy(WFIFOP(fd,0), buf, packet_len(0x192));
		WFIFOSET(fd,packet_len(0x192));
	}
	else
	{
		struct block_list dummy_bl;
		dummy_bl.type = BL_NUL;
		dummy_bl.x = x;
		dummy_bl.y = y;
		dummy_bl.m = m;
		clif_send(buf,packet_len(0x192),&dummy_bl,target);
	}
}


/// Notifies the client about an item on floor (ZC_ITEM_ENTRY).
/// 009d <id>.L <name id>.W <identified>.B <x>.W <y>.W <amount>.W <subX>.B <subY>.B
void clif_getareachar_item(struct map_session_data* sd,struct flooritem_data* fitem)
{
	int view,fd;
	fd=sd->fd;

	WFIFOHEAD(fd,packet_len(0x9d));
	WFIFOW(fd,0)=0x9d;
	WFIFOL(fd,2)=fitem->bl.id;
	if((view = itemdb_viewid(fitem->item.nameid)) > 0)
		WFIFOW(fd,6)=view;
	else
		WFIFOW(fd,6)=fitem->item.nameid;
	WFIFOB(fd,8)=fitem->item.identify;
	WFIFOW(fd,9)=fitem->bl.x;
	WFIFOW(fd,11)=fitem->bl.y;
	WFIFOW(fd,13)=fitem->item.amount;
	WFIFOB(fd,15)=fitem->subx;
	WFIFOB(fd,16)=fitem->suby;
	WFIFOSET(fd,packet_len(0x9d));
}

/// Notifes client about Graffiti
/// 01c9 <id>.L <creator id>.L <x>.W <y>.W <unit id>.B <visible>.B <has msg>.B <msg>.80B (ZC_SKILL_ENTRY2)
static void clif_graffiti(struct block_list *bl, struct skill_unit *unit, enum send_target target) {
	unsigned char buf[128];
	
	nullpo_retv(bl);
	nullpo_retv(unit);

	WBUFW(buf, 0) = 0x1c9;
	WBUFL(buf, 2) = unit->bl.id;
	WBUFL(buf, 6) = unit->group->src_id;
	WBUFW(buf,10) = unit->bl.x;
	WBUFW(buf,12) = unit->bl.y;
	WBUFB(buf,14) = unit->group->unit_id;
	WBUFB(buf,15) = 1;
	WBUFB(buf,16) = 1;
	safestrncpy(WBUFCP(buf,17),unit->group->valstr,MESSAGE_SIZE);
	clif_send(buf,packet_len(0x1c9),bl,target);
}

/// Notifies the client of a skill unit.
/// 011f <id>.L <creator id>.L <x>.W <y>.W <unit id>.B <visible>.B (ZC_SKILL_ENTRY)
/// 08c7 <lenght>.W <id> L <creator id>.L <x>.W <y>.W <unit id>.B <range>.W <visible>.B (ZC_SKILL_ENTRY3)
/// 099f <lenght>.W <id> L <creator id>.L <x>.W <y>.W <unit id>.L <range>.W <visible>.B (ZC_SKILL_ENTRY4)
/// 09ca <lenght>.W <id> L <creator id>.L <x>.W <y>.W <unit id>.L <range>.B <visible>.B <skill level>.B (ZC_SKILL_ENTRY5)
void clif_getareachar_skillunit(struct block_list *bl, struct skill_unit *unit, enum send_target target, bool visible) {
	int header = 0, unit_id = 0, pos = 0, fd = 0, len = -1;
	unsigned char buf[128];

	nullpo_retv(bl);
	nullpo_retv(unit);

	if (bl->type == BL_PC)
		fd = ((TBL_PC*)bl)->fd;

	if (unit->group->state.guildaura)
		return;

	if (unit->group->state.song_dance&0x1 && unit->val2&UF_ENSEMBLE)
		unit_id = unit->val2&UF_SONG ? UNT_DISSONANCE : UNT_UGLYDANCE;
	else if (skill_get_unit_flag(unit->group->skill_id) & UF_RANGEDSINGLEUNIT && !(unit->val2 & UF_RANGEDSINGLEUNIT))
		unit_id = UNT_DUMMYSKILL; // Use invisible unit id for other case of rangedsingle unit
	else
		unit_id = unit->group->unit_id;

	if (!visible)
		unit_id = UNT_DUMMYSKILL; // Hack to makes hidden trap really hidden!

#if PACKETVER >= 3
	if (unit_id == UNT_GRAFFITI) { // Graffiti [Valaris]
		clif_graffiti(bl, unit, target);
		return;
	}
#endif

#if PACKETVER <= 20120702
	header = 0x011f;
//#if PACKETVER < 20110718
//	header = 0x011f;
//#elif PACKETVER < 20121212
//	header = 0x08c7;
#elif PACKETVER < 20130731
	header = 0x099f;
#else
	header = 0x09ca;
#endif

	len = packet_len(header);
	WBUFW(buf,pos) = header;
	if (header != 0x011f) {
		WBUFW(buf, pos+2) = len;
		pos += 2;
	}
	WBUFL(buf,pos+2) = unit->bl.id;
	WBUFL(buf,pos+6) = unit->group->src_id;
	WBUFW(buf,pos+10) = unit->bl.x;
	WBUFW(buf,pos+12) = unit->bl.y;
	switch (header) {
		case 0x011f:
			WBUFB(buf,pos+14) = unit_id;
			WBUFB(buf,pos+15) = visible;
			break;
		case 0x08c7:
			WBUFB(buf,pos+14) = unit_id;
			WBUFW(buf,pos+15) = unit->range;
			WBUFB(buf,pos+17) = visible;
			break;
		case 0x099f:
			WBUFL(buf,pos+14) = unit_id;
			WBUFW(buf,pos+18) = unit->range;
			WBUFB(buf,pos+20) = visible;
			break;
		case 0x09ca:
			WBUFL(buf,pos+14) = unit_id;
			WBUFB(buf,pos+18) = (unsigned char)unit->range;
			WBUFB(buf,pos+19) = visible;
			WBUFB(buf,pos+20) = (unsigned char)unit->group->skill_lv;
			break;
	}
	clif_send(buf, len, bl, target);

	if (unit->group->skill_id == WZ_ICEWALL)
		clif_changemapcell(fd, unit->bl.m, unit->bl.x, unit->bl.y, 5, SELF);
}


/*==========================================
 * Server tells client to remove unit of id 'unit->bl.id'
 *------------------------------------------*/
static void clif_clearchar_skillunit(struct skill_unit *unit, int fd)
{
	nullpo_retv(unit);

	WFIFOHEAD(fd,packet_len(0x120));
	WFIFOW(fd, 0)=0x120;
	WFIFOL(fd, 2)=unit->bl.id;
	WFIFOSET(fd,packet_len(0x120));

	if(unit->group && unit->group->skill_id == WZ_ICEWALL)
		clif_changemapcell(fd,unit->bl.m,unit->bl.x,unit->bl.y,unit->val2,SELF);
}


/// Removes a skill unit (ZC_SKILL_DISAPPEAR).
/// 0120 <id>.L
void clif_skill_delunit(struct skill_unit *unit)
{
	unsigned char buf[16];

	nullpo_retv(unit);

	WBUFW(buf, 0)=0x120;
	WBUFL(buf, 2)=unit->bl.id;
	clif_send(buf,packet_len(0x120),&unit->bl,AREA);
}


/// Sent when an object gets ankle-snared (ZC_SKILL_UPDATE).
/// 01ac <id>.L
/// Only affects units with class [139,153] client-side.
void clif_skillunit_update(struct block_list* bl)
{
	unsigned char buf[6];
	nullpo_retv(bl);

	WBUFW(buf,0) = 0x1ac;
	WBUFL(buf,2) = bl->id;

	clif_send(buf,packet_len(0x1ac),bl,AREA);
}


/*==========================================
 *
 *------------------------------------------*/
static int clif_getareachar(struct block_list* bl,va_list ap)
{
	struct map_session_data *sd;

	nullpo_ret(bl);

	sd=va_arg(ap,struct map_session_data*);

	if (sd == NULL || !sd->fd)
		return 0;

	switch(bl->type){
	case BL_ITEM:
		clif_getareachar_item(sd,(struct flooritem_data*) bl);
		break;
	case BL_SKILL:
		skill_getareachar_skillunit_visibilty_single((TBL_SKILL*)bl, &sd->bl);
		break;
	default:
		if(&sd->bl == bl)
			break;
		clif_getareachar_unit(sd,bl);
		break;
	}
	return 0;
}

/*==========================================
 * tbl has gone out of view-size of bl
 *------------------------------------------*/
int clif_outsight(struct block_list *bl,va_list ap)
{
	struct block_list *tbl;
	struct view_data *vd;
	TBL_PC *sd, *tsd;
	tbl=va_arg(ap,struct block_list*);
	if(bl == tbl) return 0;
	sd = BL_CAST(BL_PC, bl);
	tsd = BL_CAST(BL_PC, tbl);

	if (tsd && tsd->fd) { //tsd has lost sight of the bl object.
		nullpo_ret(bl);
		switch(bl->type){
		case BL_PC:
			if(sd->vd.class_ != JT_INVISIBLE)
				clif_clearunit_single(bl->id,CLR_OUTSIGHT,tsd->fd);
			if(sd->chatID){
				struct chat_data *cd;
				cd=(struct chat_data*)map_id2bl(sd->chatID);
				if(cd->usersd[0]==sd)
					clif_dispchat(cd,tsd->fd);
			}
			if(sd->state.vending)
				clif_closevendingboard(bl,tsd->fd);
			if(sd->state.buyingstore)
				clif_buyingstore_disappear_entry_single(tsd, sd);
			break;
		case BL_ITEM:
			clif_clearflooritem((struct flooritem_data*)bl,tsd->fd);
			break;
		case BL_SKILL:
			clif_clearchar_skillunit((struct skill_unit *)bl,tsd->fd);
			break;
		case BL_NPC:
			if(!(((TBL_NPC*)bl)->sc.option&OPTION_INVISIBLE))
				clif_clearunit_single(bl->id,CLR_OUTSIGHT,tsd->fd);
			break;
		default:
			if((vd=status_get_viewdata(bl)) && vd->class_ != JT_INVISIBLE)
				clif_clearunit_single(bl->id,CLR_OUTSIGHT,tsd->fd);
			break;
		}
	}
	if (sd && sd->fd) { //sd is watching tbl go out of view.
		nullpo_ret(tbl);
		if(tbl->type == BL_SKILL) //Trap knocked out of sight
			clif_clearchar_skillunit((struct skill_unit *)tbl,sd->fd);
		else if(((vd=status_get_viewdata(tbl)) && vd->class_ != JT_INVISIBLE) &&
			!(tbl->type == BL_NPC && (((TBL_NPC*)tbl)->sc.option&OPTION_INVISIBLE)))
			clif_clearunit_single(tbl->id,CLR_OUTSIGHT,sd->fd);
	}
	return 0;
}

/*==========================================
 * tbl has come into view of bl
 *------------------------------------------*/
int clif_insight(struct block_list *bl,va_list ap)
{
	struct block_list *tbl;
	TBL_PC *sd, *tsd;
	tbl=va_arg(ap,struct block_list*);

	if (bl == tbl) return 0;

	sd = BL_CAST(BL_PC, bl);
	tsd = BL_CAST(BL_PC, tbl);

	if (tsd && tsd->fd) { //Tell tsd that bl entered into his view
		switch(bl->type){
		case BL_ITEM:
			clif_getareachar_item(tsd,(struct flooritem_data*)bl);
			break;
		case BL_SKILL:
			skill_getareachar_skillunit_visibilty_single((TBL_SKILL*)bl, &tsd->bl);
			break;
		default:
			clif_getareachar_unit(tsd,bl);
			break;
		}
	}
	if (sd && sd->fd) { //Tell sd that tbl walked into his view
		clif_getareachar_unit(sd,tbl);
	}
	return 0;
}


/// Updates whole skill tree (ZC_SKILLINFO_LIST).
/// 010f <packet len>.W { <skill id>.W <type>.L <level>.W <sp cost>.W <attack range>.W <skill name>.24B <upgradable>.B }*
void clif_skillinfoblock(struct map_session_data *sd)
{
	int fd;
	int i,len,id;

	nullpo_retv(sd);

	fd = sd->fd;
	if (!fd)
		return;

	WFIFOHEAD(fd, MAX_SKILL * 37 + 4);
	WFIFOW(fd,0) = 0x10f;
	for ( i = 0, len = 4; i < MAX_SKILL; i++)
	{
		if( (id = sd->status.skill[i].id) != 0 )
		{
			// workaround for bugreport:5348
			if (len + 37 > 8192)
				break;

			WFIFOW(fd,len)   = id;
			WFIFOL(fd,len+2) = skill_get_inf(id);
			WFIFOW(fd,len+6) = sd->status.skill[i].lv;
			WFIFOW(fd,len+8) = skill_get_sp(id,sd->status.skill[i].lv);
			WFIFOW(fd,len+10)= skill_get_range2(&sd->bl,id,sd->status.skill[i].lv,false);
			safestrncpy(WFIFOCP(fd,len+12), skill_get_name(id), NAME_LENGTH);
			if(sd->status.skill[i].flag == SKILL_FLAG_PERMANENT)
				WFIFOB(fd,len+36) = (sd->status.skill[i].lv < skill_tree_get_max(id, sd->status.class_))? 1:0;
			else
				WFIFOB(fd,len+36) = 0;
			len += 37;
		}
	}
	WFIFOW(fd,2)=len;
	WFIFOSET(fd,len);

	// workaround for bugreport:5348; send the remaining skills one by one to bypass packet size limit
	for ( ; i < MAX_SKILL; i++)
	{
		if( (id = sd->status.skill[i].id) != 0 )
		{
			clif_addskill(sd, id);
			clif_skillinfo(sd, id, 0);
		}
	}
}
/**
 * Server tells client 'sd' to add skill of id 'id' to it's skill tree (e.g. with Ice Falcion item)
 **/

/// Adds new skill to the skill tree (ZC_ADD_SKILL).
/// 0111 <skill id>.W <type>.L <level>.W <sp cost>.W <attack range>.W <skill name>.24B <upgradable>.B
void clif_addskill(struct map_session_data *sd, int skill_id)
{
	int fd;
	uint16 idx = 0;

	nullpo_retv(sd);

	fd = sd->fd;
	if (!fd || !(idx = skill_get_index(skill_id)))
		return;

	if( sd->status.skill[idx].id <= 0 )
		return;

	WFIFOHEAD(fd, packet_len(0x111));
	WFIFOW(fd,0) = 0x111;
	WFIFOW(fd,2) = skill_id;
	WFIFOL(fd,4) = skill_get_inf(skill_id);
	WFIFOW(fd,8) = sd->status.skill[idx].lv;
	WFIFOW(fd,10) = skill_get_sp(skill_id,sd->status.skill[idx].lv);
	WFIFOW(fd,12)= skill_get_range2(&sd->bl,skill_id,sd->status.skill[idx].lv,false);
	safestrncpy(WFIFOCP(fd,14), skill_get_name(skill_id), NAME_LENGTH);
	if( sd->status.skill[idx].flag == SKILL_FLAG_PERMANENT )
		WFIFOB(fd,38) = (sd->status.skill[idx].lv < skill_tree_get_max(skill_id, sd->status.class_))? 1:0;
	else
		WFIFOB(fd,38) = 0;
	WFIFOSET(fd,packet_len(0x111));
}


/// Deletes a skill from the skill tree (ZC_SKILLINFO_DELETE).
/// 0441 <skill id>.W
void clif_deleteskill(struct map_session_data *sd, int skill_id)
{
#if PACKETVER >= 20081217
	int fd;
	uint16 idx = 0;

	nullpo_retv(sd);

	fd = sd->fd;
	if (!fd || !(idx = skill_get_index(skill_id)))
		return;

	WFIFOHEAD(fd,packet_len(0x441));
	WFIFOW(fd,0) = 0x441;
	WFIFOW(fd,2) = skill_id;
	WFIFOSET(fd,packet_len(0x441));
#endif
	clif_skillinfoblock(sd);
}

/// Updates a skill in the skill tree (ZC_SKILLINFO_UPDATE).
/// 010e <skill id>.W <level>.W <sp cost>.W <attack range>.W <upgradable>.B
void clif_skillup(struct map_session_data *sd, uint16 skill_id, int lv, int range, int upgradable) {
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd, packet_len(0x10e));
	WFIFOW(fd, 0) = 0x10e;
	WFIFOW(fd, 2) = skill_id;
	WFIFOW(fd, 4) = lv;
	WFIFOW(fd, 6) = skill_get_sp(skill_id, lv);
	WFIFOW(fd, 8) = range;
	WFIFOB(fd, 10) = upgradable;
	WFIFOSET(fd, packet_len(0x10e));
}


/// Updates a skill in the skill tree (ZC_SKILLINFO_UPDATE2).
/// 07e1 <skill id>.W <type>.L <level>.W <sp cost>.W <attack range>.W <upgradable>.B
void clif_skillinfo(struct map_session_data *sd,int skill_id, int inf)
{
	const int fd = sd->fd;
	uint16 idx = skill_get_index(skill_id);
	if (!idx)
		return;

	WFIFOHEAD(fd,packet_len(0x7e1));
	WFIFOW(fd,0) = 0x7e1;
	WFIFOW(fd,2) = skill_id;
	WFIFOL(fd,4) = inf?inf:skill_get_inf(skill_id);
	WFIFOW(fd,8) = sd->status.skill[idx].lv;
	WFIFOW(fd,10) = skill_get_sp(skill_id,sd->status.skill[idx].lv);
	WFIFOW(fd,12) = skill_get_range2(&sd->bl,skill_id,sd->status.skill[idx].lv,false);
	if( sd->status.skill[idx].flag == SKILL_FLAG_PERMANENT )
		WFIFOB(fd,14) = (sd->status.skill[idx].lv < skill_tree_get_max(skill_id, sd->status.class_))? 1:0;
	else
		WFIFOB(fd,14) = 0;
	WFIFOSET(fd,packet_len(0x7e1));
}


/// Notifies clients in area, that an object is about to use a skill.
/// 013e <src id>.L <dst id>.L <x>.W <y>.W <skill id>.W <property>.L <delaytime>.L (ZC_USESKILL_ACK)
/// 07fb <src id>.L <dst id>.L <x>.W <y>.W <skill id>.W <property>.L <delaytime>.L <is disposable>.B (ZC_USESKILL_ACK2)
/// property:
///     0 = Yellow cast aura
///     1 = Water elemental cast aura
///     2 = Earth elemental cast aura
///     3 = Fire elemental cast aura
///     4 = Wind elemental cast aura
///     5 = Poison elemental cast aura
///     6 = Holy elemental cast aura
///     ? = like 0
/// is disposable:
///     0 = yellow chat text "[src name] will use skill [skill name]."
///     1 = no text
void clif_skillcasting(struct block_list* bl, int src_id, int dst_id, int dst_x, int dst_y, uint16 skill_id, int property, int casttime)
{
#if PACKETVER < 20091124
	const int cmd = 0x13e;
#else
	const int cmd = 0x7fb;
#endif
	unsigned char buf[32];

	WBUFW(buf,0) = cmd;
	WBUFL(buf,2) = src_id;
	WBUFL(buf,6) = dst_id;
	WBUFW(buf,10) = dst_x;
	WBUFW(buf,12) = dst_y;
	WBUFW(buf,14) = skill_id;
	WBUFL(buf,16) = property<0?0:property; //Avoid sending negatives as element [Skotlex]
	WBUFL(buf,20) = casttime;
#if PACKETVER >= 20091124
	WBUFB(buf,24) = 0;  // isDisposable
#endif

	if (disguised(bl)) {
		clif_send(buf,packet_len(cmd), bl, AREA_WOS);
		WBUFL(buf,2) = -src_id;
		clif_send(buf,packet_len(cmd), bl, SELF);
	} else
		clif_send(buf,packet_len(cmd), bl, AREA);
}


/// Notifies clients in area, that an object canceled casting (ZC_DISPEL).
/// 01b9 <id>.L
void clif_skillcastcancel(struct block_list* bl)
{
	unsigned char buf[16];

	nullpo_retv(bl);

	WBUFW(buf,0) = 0x1b9;
	WBUFL(buf,2) = bl->id;
	clif_send(buf,packet_len(0x1b9), bl, AREA);
}


/// Notifies the client about the result of a skill use request (ZC_ACK_TOUSESKILL).
/// 0110 <skill id>.W <num>.L <result>.B <cause>.B
/// num (only used when skill id = NV_BASIC and cause = 0):
///     0 = "skill failed" MsgStringTable[159]
///     1 = "no emotions" MsgStringTable[160]
///     2 = "no sit" MsgStringTable[161]
///     3 = "no chat" MsgStringTable[162]
///     4 = "no party" MsgStringTable[163]
///     5 = "no shout" MsgStringTable[164]
///     6 = "no PKing" MsgStringTable[165]
///     7 = "no alligning" MsgStringTable[383]
///     ? = ignored
/// cause:
///     0 = "not enough skill level" MsgStringTable[214] (AL_WARP)
///         "steal failed" MsgStringTable[205] (TF_STEAL)
///         "envenom failed" MsgStringTable[207] (TF_POISON)
///         "skill failed" MsgStringTable[204] (otherwise)
///   ... = @see enum useskill_fail_cause
///     ? = ignored
///
/// if(result!=0) doesn't display any of the previous messages
/// Note: when this packet is received an unknown flag is always set to 0,
/// suggesting this is an ACK packet for the UseSkill packets and should be sent on success too [FlavioJS]
void clif_skill_fail(struct map_session_data *sd,uint16 skill_id,enum useskill_fail_cause cause,int btype)
{
	int fd;

	if (!sd) {	//Since this is the most common nullpo....
		ShowDebug("clif_skill_fail: Error, received NULL sd for skill %d\n", skill_id);
		return;
	}

	fd=sd->fd;
	if (!fd) return;

	if(battle_config.display_skill_fail&1)
		return; //Disable all skill failed messages

	if(cause==USESKILL_FAIL_SKILLINTERVAL && !sd->state.showdelay)
		return; //Disable delay failed messages

	if(skill_id == RG_SNATCHER && battle_config.display_skill_fail&4)
		return;

	if(skill_id == TF_POISON && battle_config.display_skill_fail&8)
		return;

	WFIFOHEAD(fd,packet_len(0x110));
	WFIFOW(fd,0) = 0x110;
	WFIFOW(fd,2) = skill_id;
	WFIFOL(fd,4) = btype;
	WFIFOB(fd,8) = 0;// success
	WFIFOB(fd,9) = cause;
	WFIFOSET(fd,packet_len(0x110));
}


/// Skill cooldown display icon (ZC_SKILL_POSTDELAY).
/// 043d <skill ID>.W <tick>.L
void clif_skill_cooldown(struct map_session_data *sd, uint16 skill_id, t_tick tick)
{
#if PACKETVER>=20081112
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x43d));
	WFIFOW(fd,0) = 0x43d;
	WFIFOW(fd,2) = skill_id;
	WFIFOL(fd,4) = client_tick(tick);
	WFIFOSET(fd,packet_len(0x43d));
#endif
}

/// Skill attack effect and damage.
/// 0114 <skill id>.W <src id>.L <dst id>.L <tick>.L <src delay>.L <dst delay>.L <damage>.W <level>.W <div>.W <type>.B (ZC_NOTIFY_SKILL)
/// 01de <skill id>.W <src id>.L <dst id>.L <tick>.L <src delay>.L <dst delay>.L <damage>.L <level>.W <div>.W <type>.B (ZC_NOTIFY_SKILL2)
int clif_skill_damage(struct block_list *src,struct block_list *dst,t_tick tick,int sdelay,int ddelay,int64 sdamage,int div,uint16 skill_id,uint16 skill_lv,enum e_damage_type type)
{
	unsigned char buf[64];
	struct status_change *sc;
	int damage = (int)cap_value(sdamage,INT_MIN,INT_MAX);

	nullpo_ret(src);
	nullpo_ret(dst);

	type = clif_calc_delay(type,div,damage,ddelay);

	if( ( sc = status_get_sc(dst) ) && sc->count ) {
		if(sc->data[SC_HALLUCINATION] && damage)
			damage = clif_hallucination_damage();
	}

#if PACKETVER < 3
	WBUFW(buf,0)=0x114;
	WBUFW(buf,2)=skill_id;
	WBUFL(buf,4)=src->id;
	WBUFL(buf,8)=dst->id;
	WBUFL(buf,12)=client_tick(tick);
	WBUFL(buf,16)=sdelay;
	WBUFL(buf,20)=ddelay;
	if (battle_config.hide_woe_damage && map_flag_gvg(src->m)) {
		WBUFW(buf,24)=damage?div:0;
	} else {
		WBUFW(buf,24)=damage;
	}
	WBUFW(buf,26)=skill_lv;
	WBUFW(buf,28)=div;
	WBUFB(buf,30)=type;
	if (disguised(dst)) {
		clif_send(buf,packet_len(0x114),dst,AREA_WOS);
		WBUFL(buf,8)=-dst->id;
		clif_send(buf,packet_len(0x114),dst,SELF);
	} else
		clif_send(buf,packet_len(0x114),dst,AREA);

	if(disguised(src)) {
		WBUFL(buf,4)=-src->id;
		if (disguised(dst))
			WBUFL(buf,8)=dst->id;
		if(damage > 0)
			WBUFW(buf,24)=-1;
		clif_send(buf,packet_len(0x114),src,SELF);
	}
#else
	WBUFW(buf,0)=0x1de;
	WBUFW(buf,2)=skill_id;
	WBUFL(buf,4)=src->id;
	WBUFL(buf,8)=dst->id;
	WBUFL(buf,12)=client_tick(tick);
	WBUFL(buf,16)=sdelay;
	WBUFL(buf,20)=ddelay;
	if (battle_config.hide_woe_damage && map_flag_gvg(src->m)) {
		WBUFL(buf,24)=damage?div:0;
	} else {
		WBUFL(buf,24)=damage;
	}
	WBUFW(buf,28)=skill_lv;
	WBUFW(buf,30)=div;
	// For some reason, late 2013 and newer clients have
	// a issue that causes players and monsters to endure
	// type 6 (ACTION_SKILL) skills. So we have to do a small
	// hack to set all type 6 to be sent as type 8 ACTION_ATTACK_MULTIPLE
#if PACKETVER < 20131223
	WBUFB(buf,32)=type;
#else
	WBUFB(buf,32)=( type == DMG_SKILL ) ? DMG_MULTI_HIT : type;
#endif
	if (disguised(dst)) {
		clif_send(buf,packet_len(0x1de),dst,AREA_WOS);
		WBUFL(buf,8)=-dst->id;
		clif_send(buf,packet_len(0x1de),dst,SELF);
	} else
		clif_send(buf,packet_len(0x1de),dst,AREA);

	if(disguised(src)) {
		WBUFL(buf,4)=-src->id;
		if (disguised(dst))
			WBUFL(buf,8)=dst->id;
		if(damage > 0)
			WBUFL(buf,24)=-1;
		clif_send(buf,packet_len(0x1de),src,SELF);
	}
#endif

	//Because the damage delay must be synced with the client, here is where the can-walk tick must be updated. [Skotlex]
	return clif_calc_walkdelay(dst,ddelay,type,damage,div);
}


/// Ground skill attack effect and damage (ZC_NOTIFY_SKILL_POSITION).
/// 0115 <skill id>.W <src id>.L <dst id>.L <tick>.L <src delay>.L <dst delay>.L <x>.W <y>.W <damage>.W <level>.W <div>.W <type>.B
/*
int clif_skill_damage2(struct block_list *src,struct block_list *dst,t_tick tick,int sdelay,int ddelay,int damage,int div,uint16 skill_id,uint16 skill_lv,enum e_damage_type type)
{
	unsigned char buf[64];
	struct status_change *sc;

	nullpo_ret(src);
	nullpo_ret(dst);

	type = (type>DMG_NORMAL)?type:skill_get_hit(skill_id);
	type = clif_calc_delay(type,div,damage,ddelay);
	sc = status_get_sc(dst);

	if(sc && sc->count) {
		if(sc->data[SC_HALLUCINATION] && damage)
			damage = clif_hallucination_damage();
	}

	WBUFW(buf,0)=0x115;
	WBUFW(buf,2)=skill_id;
	WBUFL(buf,4)=src->id;
	WBUFL(buf,8)=dst->id;
	WBUFL(buf,12)=client_tick(tick);
	WBUFL(buf,16)=sdelay;
	WBUFL(buf,20)=ddelay;
	WBUFW(buf,24)=dst->x;
	WBUFW(buf,26)=dst->y;
	if (battle_config.hide_woe_damage && map_flag_gvg(src->m)) {
		WBUFW(buf,28)=damage?div:0;
	} else {
		WBUFW(buf,28)=damage;
	}
	WBUFW(buf,30)=skill_lv;
	WBUFW(buf,32)=div;
	WBUFB(buf,34)=type;
	clif_send(buf,packet_len(0x115),src,AREA);
	if(disguised(src)) {
		WBUFL(buf,4)=-src->id;
		if(damage > 0)
			WBUFW(buf,28)=-1;
		clif_send(buf,packet_len(0x115),src,SELF);
	}
	if (disguised(dst)) {
		WBUFL(buf,8)=-dst->id;
		if (disguised(src))
			WBUFL(buf,4)=src->id;
		else if(damage > 0)
			WBUFW(buf,28)=-1;
		clif_send(buf,packet_len(0x115),dst,SELF);
	}

	//Because the damage delay must be synced with the client, here is where the can-walk tick must be updated. [Skotlex]
	return clif_calc_walkdelay(dst,ddelay,type,damage,div);
}
*/


/// Non-damaging skill effect
/// 011a <skill id>.W <heal>.W <dst id>.L <src id>.L <result>.B (ZC_USE_SKILL).
/// 09cb <skill id>.W <heal>.L <dst id>.L <src id>.L <result>.B (ZC_USE_SKILL2).
bool clif_skill_nodamage(struct block_list *src,struct block_list *dst, uint16 skill_id, int heal, t_tick tick)
{
	unsigned char buf[17];
#if PACKETVER < 20130731
	const int cmd = 0x11a;
#else
	const int cmd = 0x9cb;
#endif
	int offset = 0;
	bool success = ( tick != 0 );

	nullpo_ret(dst);

	WBUFW(buf,0) = cmd;
	WBUFW(buf,2) = skill_id;
#if PACKETVER < 20130731
	WBUFW(buf,4) = min(heal, INT16_MAX);
#else
	WBUFL(buf,4) = min(heal, INT32_MAX);
	offset += 2;
#endif
	WBUFL(buf,6+offset) = dst->id;
	WBUFL(buf,10+offset) = src ? src->id : 0;
	WBUFB(buf,14+offset) = success;

	if (disguised(dst)) {
		clif_send(buf, packet_len(cmd), dst, AREA_WOS);
		WBUFL(buf,6+offset) = -dst->id;
		clif_send(buf, packet_len(cmd), dst, SELF);
	} else
		clif_send(buf, packet_len(cmd), dst, AREA);

	if(src && disguised(src)) {
		WBUFL(buf,10+offset) = -src->id;
		if (disguised(dst))
			WBUFL(buf,6+offset) = dst->id;
		clif_send(buf, packet_len(cmd), src, SELF);
	}

	return success;
}


/// Non-damaging ground skill effect (ZC_NOTIFY_GROUNDSKILL).
/// 0117 <skill id>.W <src id>.L <level>.W <x>.W <y>.W <tick>.L
void clif_skill_poseffect(struct block_list *src,uint16 skill_id,int val,int x,int y,t_tick tick)
{
	unsigned char buf[32];

	nullpo_retv(src);

	WBUFW(buf,0)=0x117;
	WBUFW(buf,2)=skill_id;
	WBUFL(buf,4)=src->id;
	WBUFW(buf,8)=val;
	WBUFW(buf,10)=x;
	WBUFW(buf,12)=y;
	WBUFL(buf,14)=client_tick(tick);
	if(disguised(src)) {
		clif_send(buf,packet_len(0x117),src,AREA_WOS);
		WBUFL(buf,4)=-src->id;
		clif_send(buf,packet_len(0x117),src,SELF);
	} else
		clif_send(buf,packet_len(0x117),src,AREA);
}

/// Presents a list of available warp destinations (ZC_WARPLIST).
/// 011c <skill id>.W { <map name>.16B }*4
void clif_skill_warppoint(struct map_session_data* sd, uint16 skill_id, uint16 skill_lv, unsigned short map1, unsigned short map2, unsigned short map3, unsigned short map4)
{
	int fd;
	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x11c));
	WFIFOW(fd,0) = 0x11c;
	WFIFOW(fd,2) = skill_id;
	memset(WFIFOP(fd,4), 0x00, 4*MAP_NAME_LENGTH_EXT);
	if (map1 == (unsigned short)-1) strcpy(WFIFOCP(fd,4), "Random");
	else // normal map name
	if (map1 > 0) mapindex_getmapname_ext(mapindex_id2name(map1), WFIFOCP(fd,4));
	if (map2 > 0) mapindex_getmapname_ext(mapindex_id2name(map2), WFIFOCP(fd,20));
	if (map3 > 0) mapindex_getmapname_ext(mapindex_id2name(map3), WFIFOCP(fd,36));
	if (map4 > 0) mapindex_getmapname_ext(mapindex_id2name(map4), WFIFOCP(fd,52));
	WFIFOSET(fd,packet_len(0x11c));

	sd->menuskill_id = skill_id;
	if (skill_id == AL_WARP) {
		sd->menuskill_val = (sd->ud.skillx<<16)|sd->ud.skilly; //Store warp position here.
		sd->state.workinprogress = WIP_DISABLE_ALL;
	} else
		sd->menuskill_val = skill_lv;
}


/// Memo message (ZC_ACK_REMEMBER_WARPPOINT).
/// 011e <type>.B
/// type:
///     0 = "Saved location as a Memo Point for Warp skill." in color 0xFFFF00 (cyan)
///     1 = "Skill Level is not high enough." in color 0x0000FF (red)
///     2 = "You haven't learned Warp." in color 0x0000FF (red)
///
/// @param sd Who receives the message
/// @param type What message
void clif_skill_memomessage(struct map_session_data* sd, int type)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x11e));
	WFIFOW(fd,0)=0x11e;
	WFIFOB(fd,2)=type;
	WFIFOSET(fd,packet_len(0x11e));
}


/// Teleport message (ZC_NOTIFY_MAPINFO).
/// 0189 <type>.W
/// type:
///     0 = "Unable to Teleport in this area" in color 0xFFFF00 (cyan)
///     1 = "Saved point cannot be memorized." in color 0x0000FF (red)
///
/// @param sd Who receives the message
/// @param type What message
void clif_skill_teleportmessage(struct map_session_data *sd, int type)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x189));
	WFIFOW(fd,0)=0x189;
	WFIFOW(fd,2)=type;
	WFIFOSET(fd,packet_len(0x189));
}


/// Displays Sense (WZ_ESTIMATION) information window (ZC_MONSTER_INFO).
/// 018c <class>.W <level>.W <size>.W <hp>.L <def>.W <race>.W <mdef>.W <element>.W
///     <water%>.B <earth%>.B <fire%>.B <wind%>.B <poison%>.B <holy%>.B <shadow%>.B <ghost%>.B <undead%>.B
void clif_skill_estimation(struct map_session_data *sd,struct block_list *dst)
{
	struct status_data *status;
	unsigned char buf[64];
	int i, fix;

	nullpo_retv(sd);
	nullpo_retv(dst);

	if( dst->type != BL_MOB )
		return;

	status = status_get_status_data(dst);

	WBUFW(buf, 0)=0x18c;
	WBUFW(buf, 2)=status_get_class(dst);
	WBUFW(buf, 4)=status_get_lv(dst);
	WBUFW(buf, 6)=status->size;
	WBUFL(buf, 8)=status->hp;
	WBUFW(buf,12)= (battle_config.estimation_type&1?status->def:0)
		+(battle_config.estimation_type&2?status->def2:0);
	WBUFW(buf,14)=status->race;
	WBUFW(buf,16)= (battle_config.estimation_type&1?status->mdef:0)
		+(battle_config.estimation_type&2?status->mdef2:0);
	WBUFW(buf,18)= status->def_ele;
	for(i=0;i<9;i++)
//		The following caps negative attributes to 0 since the client displays them as 255-fix. [Skotlex]
		WBUFB(buf,20+i)= (unsigned char)((fix=battle_attr_ratio(i+1,status->def_ele, status->ele_lv))<0?0:fix);

	clif_send(buf,packet_len(0x18c),&sd->bl,sd->status.party_id>0?PARTY_SAMEMAP:SELF);
}


/// Presents a textual list of producable items (ZC_MAKABLEITEMLIST).
/// 018d <packet len>.W { <name id>.W { <material id>.W }*3 }*
/// material id:
///     unused by the client
void clif_skill_produce_mix_list(struct map_session_data *sd, int skill_id , int trigger)
{
	int i,c,view,fd;
	nullpo_retv(sd);

	if (sd->menuskill_id == skill_id)
		return; //Avoid resending the menu twice or more times...
	if (skill_id == GC_CREATENEWPOISON)
		skill_id = GC_RESEARCHNEWPOISON;

	fd = sd->fd;
	WFIFOHEAD(fd, MAX_SKILL_PRODUCE_DB * 8 + 8);
	WFIFOW(fd, 0) = 0x18d;

	for (i = 0, c = 0; i < MAX_SKILL_PRODUCE_DB; i++){
		if (skill_can_produce_mix(sd,skill_produce_db[i].nameid, trigger, 1) &&
			(skill_id <= 0 || (skill_id > 0 && skill_produce_db[i].req_skill == skill_id))
			)
		{
			if ((view = itemdb_viewid(skill_produce_db[i].nameid)) > 0)
				WFIFOW(fd,c*8+ 4) = view;
			else
				WFIFOW(fd,c*8+ 4) = skill_produce_db[i].nameid;
			WFIFOW(fd,c*8+ 6) = 0;
			WFIFOW(fd,c*8+ 8) = 0;
			WFIFOW(fd,c*8+10) = 0;
			c++;
		}
	}
	WFIFOW(fd, 2) = c*8+8;
	WFIFOSET(fd,WFIFOW(fd,2));
	if (c > 0) {
		sd->menuskill_id = skill_id;
		sd->menuskill_val = trigger;
		return;
	}
}


/// Present a list of producable items (ZC_MAKINGITEM_LIST).
/// 025a <packet len>.W <mk type>.W { <name id>.W }*
/// mk type:
///     1 = cooking
///     2 = arrow
///     3 = elemental
///     4 = GN_MIX_COOKING
///     5 = GN_MAKEBOMB
///     6 = GN_S_PHARMACY
void clif_cooking_list(struct map_session_data *sd, int trigger, uint16 skill_id, int qty, int list_type)
{
	int fd;
	int i, c;
	int view;

	nullpo_retv(sd);
	fd = sd->fd;

	if(sd->menuskill_id == skill_id)
		return; //Avoid resending the menu twice or more times...
	WFIFOHEAD(fd, 6 + 2 * MAX_SKILL_PRODUCE_DB);
	WFIFOW(fd,0) = 0x25a;
	WFIFOW(fd,4) = list_type; // list type

	c = 0;
	for( i = 0; i < MAX_SKILL_PRODUCE_DB; i++ ) {
		if( !skill_can_produce_mix(sd,skill_produce_db[i].nameid,trigger, qty) )
			continue;

		if( (view = itemdb_viewid(skill_produce_db[i].nameid)) > 0 )
			WFIFOW(fd, 6 + 2 * c) = view;
		else
			WFIFOW(fd, 6 + 2 * c) = skill_produce_db[i].nameid;

		c++;
	}

	if( c > 0 || skill_id == AM_PHARMACY) {
		sd->menuskill_id = skill_id;
		sd->menuskill_val = trigger;
		sd->menuskill_val2 = qty; // amount.
		WFIFOW(fd,2) = 6 + 2 * c;
		WFIFOSET(fd,WFIFOW(fd,2));
	} else {
		clif_menuskill_clear(sd);
#if PACKETVER >= 20090922
			clif_msg_skill(sd,skill_id,INVENTORY_SPACE_FULL);
#else
			WFIFOW(fd,2) = 6 + 2 * c;
			WFIFOSET(fd,WFIFOW(fd,2));
#endif
	}
}


/// Notifies clients of a status change.
/// 0196 <index>.W <id>.L <state>.B (ZC_MSG_STATE_CHANGE) [used for ending status changes and starting them on non-pc units (when needed)]
/// 043f <index>.W <id>.L <state>.B <remain msec>.L { <val>.L }*3 (ZC_MSG_STATE_CHANGE2) [used exclusively for starting statuses on pcs]
/// 0983 <index>.W <id>.L <state>.B <total msec>.L <remain msec>.L { <val>.L }*3 (ZC_MSG_STATE_CHANGE3) (PACKETVER >= 20120618)
/// @param bl Sends packet to clients around this object
/// @param id ID of object that has this effect
/// @param type Status icon see enum efst_types
/// @param flag 1:Active, 0:Deactive
/// @param tick Duration in ms
/// @param val1
/// @param val2
/// @param val3
void clif_status_change_sub(struct block_list *bl, int id, int type, int flag, t_tick tick, int val1, int val2, int val3, enum send_target target_type)
{
	unsigned char buf[32];

	if (type == EFST_BLANK)  //It shows nothing on the client...
		return;

	if (type == EFST_POSTDELAY && tick == 0)
		return;

	nullpo_retv(bl);

#if PACKETVER < 20151104
	if (type == EFST_WEAPONPROPERTY)
		type = EFST_ATTACK_PROPERTY_NOTHING + val1; // Assign status icon for older clients
#endif

#if PACKETVER >= 20120618
	if (flag && battle_config.display_status_timers)
		WBUFW(buf,0) = 0x983;
	else
#elif PACKETVER >= 20090121
	if (flag && battle_config.display_status_timers)
		WBUFW(buf,0) = 0x43f;
	else
#endif
		WBUFW(buf,0) = 0x196;
	WBUFW(buf,2) = type;
	WBUFL(buf,4) = id;
	WBUFB(buf,8) = flag;
#if PACKETVER >= 20120618
	if (flag && battle_config.display_status_timers) {
		if (tick <= 0)
			tick = 9999; // this is indeed what official servers do

		WBUFL(buf,9) = client_tick(tick);/* at this stage remain and total are the same value I believe */
		WBUFL(buf,13) = client_tick(tick);
		WBUFL(buf,17) = val1;
		WBUFL(buf,21) = val2;
		WBUFL(buf,25) = val3;
	}
#elif PACKETVER >= 20090121
	if (flag && battle_config.display_status_timers) {
		if (tick <= 0)
			tick = 9999; // this is indeed what official servers do

		WBUFL(buf,9) = client_tick(tick);
		WBUFL(buf,13) = val1;
		WBUFL(buf,17) = val2;
		WBUFL(buf,21) = val3;
	}
#endif
	clif_send(buf, packet_len(WBUFW(buf,0)), bl, target_type);
}

/* Sends status effect to clients around the bl
 * @param bl Object that has the effect
 * @param type Status icon see enum efst_types
 * @param flag 1:Active, 0:Deactive
 * @param tick Duration in ms
 * @param val1
 * @param val2
 * @param val3
 */
void clif_status_change(struct block_list *bl, int type, int flag, t_tick tick, int val1, int val2, int val3) {
	struct map_session_data *sd = NULL;

	if (type == EFST_BLANK)  //It shows nothing on the client...
		return;

	if (type == EFST_POSTDELAY && tick == 0)
		return;

	if (type == EFST_ILLUSION && !battle_config.display_hallucination) // Disable Hallucination.
		return;

	nullpo_retv(bl);

	sd = BL_CAST(BL_PC, bl);

	if (!(status_type2relevant_bl_types(type)&bl->type)) // only send status changes that actually matter to the client
		return;

	clif_status_change_sub(bl, bl->id, type, flag, tick, val1, val2, val3, ((sd ? (pc_isinvisible(sd) ? SELF : AREA) : AREA_WOS)));
}

/**
 * Send any active EFST to those around.
 * @param tbl: Unit to send the packet to
 * @param bl: Objects walking into view
 * @param target: Client send type
 */
void clif_efst_status_change_sub(struct block_list *tbl, struct block_list *bl, enum send_target target) {
	unsigned char i;
	struct sc_display_entry **sc_display;
	unsigned char sc_display_count;
	bool spheres_sent;

	nullpo_retv(bl);

	switch( bl->type ){
		case BL_PC: {
			struct map_session_data* sd = (struct map_session_data*)bl;

			sc_display = sd->sc_display;
			sc_display_count = sd->sc_display_count;
			spheres_sent = !sd->state.connect_new;
			}
			break;
		case BL_NPC: {
			struct npc_data* nd = (struct npc_data*)bl;

			sc_display = nd->sc_display;
			sc_display_count = nd->sc_display_count;
			spheres_sent = true;
			}
			break;
		default:
			return;
	}

	for (i = 0; i < sc_display_count; i++) {
		enum sc_type type = sc_display[i]->type;
		struct status_change *sc = status_get_sc(bl);
		const struct TimerData *td = (sc && sc->data[type] ? get_timer(sc->data[type]->timer) : NULL);
		t_tick tick = 0;

		if (td)
			tick = DIFF_TICK(td->tick, gettick());

		if( spheres_sent && type >= SC_SPHERE_1 && type <= SC_SPHERE_5 ){
#if PACKETVER > 20120418
			clif_efst_status_change(tbl, bl->id, AREA_WOS, StatusIconChangeTable[type], tick, sc_display[i]->val1, sc_display[i]->val2, sc_display[i]->val3);
#else
			clif_status_change_sub(tbl, bl->id, StatusIconChangeTable[type], 1, tick, sc_display[i]->val1, sc_display[i]->val2, sc_display[i]->val3, AREA_WOS);
#endif
		}else{
#if PACKETVER > 20120418
			clif_efst_status_change(tbl, bl->id, target, StatusIconChangeTable[type], tick, sc_display[i]->val1, sc_display[i]->val2, sc_display[i]->val3);
#else
			clif_status_change_sub(tbl, bl->id, StatusIconChangeTable[type], 1, tick, sc_display[i]->val1, sc_display[i]->val2, sc_display[i]->val3, target);
#endif
		}
	}
}

/// Notifies the client when a player enters the screen with an active EFST.
/// 08ff <id>.L <index>.W <remain msec>.L { <val>.L }*3  (ZC_EFST_SET_ENTER) (PACKETVER >= 20111108)
/// 0984 <id>.L <index>.W <total msec>.L <remain msec>.L { <val>.L }*3 (ZC_EFST_SET_ENTER2) (PACKETVER >= 20120618)
void clif_efst_status_change(struct block_list *bl, int tid, enum send_target target, int type, t_tick tick, int val1, int val2, int val3) {
#if PACKETVER >= 20111108
	unsigned char buf[32];
#if PACKETVER >= 20120618
	const int cmd = 0x984;
#elif PACKETVER >= 20111108
	const int cmd = 0x8ff;
#endif
	int offset = 0;

	if (type == EFST_BLANK)
		return;

	nullpo_retv(bl);

	if (tick <= 0)
		tick = 9999;

	WBUFW(buf,offset + 0) = cmd;
	WBUFL(buf,offset + 2) = tid;
	WBUFW(buf,offset + 6) = type;
#if PACKETVER >= 20111108
	WBUFL(buf,offset + 8) = client_tick(tick); // Set remaining status duration [exneval]
#if PACKETVER >= 20120618
	WBUFL(buf,offset + 12) = client_tick(tick);
	offset += 4;
#endif
	WBUFL(buf,offset + 12) = val1;
	WBUFL(buf,offset + 16) = val2;
	WBUFL(buf,offset + 20) = val3;
#endif
	clif_send(buf,packet_len(cmd),bl,target);
#endif
}

/// Send message (modified by [Yor]) (ZC_NOTIFY_PLAYERCHAT).
/// 008e <packet len>.W <message>.?B
void clif_displaymessage(const int fd, const char* mes)
{
	nullpo_retv(mes);

	//Scrapped, as these are shared by disconnected players =X [Skotlex]
	if (fd == 0)
		;
	else {
		char *message, *line;

		message = aStrdup(mes);
		line = strtok(message, "\n");

		while(line != NULL) {
#if PACKETVER == 20141022
		/** for some reason game client crashes depending on message pattern (only for this packet) **/
		/** so we redirect to ZC_NPC_CHAT **/
		//clif_messagecolor(&sd->bl, color_table[COLOR_DEFAULT], mes, false, SELF);
			unsigned long color = (color_table[COLOR_DEFAULT] & 0x0000FF) << 16 | (color_table[COLOR_DEFAULT] & 0x00FF00) | (color_table[COLOR_DEFAULT] & 0xFF0000) >> 16; // RGB to BGR
			unsigned short len = strnlen(line, CHAT_SIZE_MAX);

			if (len > 0) { 
				WFIFOHEAD(fd, 13 + len);
				WFIFOW(fd, 0) = 0x2C1;
				WFIFOW(fd, 2) = 13 + len;
				WFIFOL(fd, 4) = 0;
				WFIFOL(fd, 8) = color;
				safestrncpy(WFIFOCP(fd, 12), line, len + 1);
				WFIFOSET(fd, WFIFOW(fd, 2));
			}
#else
			// Limit message to 255+1 characters (otherwise it causes a buffer overflow in the client)
			int len = strnlen(line, CHAT_SIZE_MAX);

			if (len > 0) { // don't send a void message (it's not displaying on the client chat). @help can send void line.
				WFIFOHEAD(fd, 5 + len);
				WFIFOW(fd,0) = 0x8e;
				WFIFOW(fd,2) = 5 + len; // 4 + len + NULL teminate
				safestrncpy(WFIFOCP(fd,4), line, len + 1);
				WFIFOSET(fd, 5 + len);
			}
#endif
			line = strtok(NULL, "\n");
		}
		aFree(message);
	}
}

/// Send broadcast message in yellow or blue without font formatting (ZC_BROADCAST).
/// 009a <packet len>.W <message>.?B
void clif_broadcast(struct block_list* bl, const char* mes, int len, int type, enum send_target target)
{
	nullpo_retv(mes);
	if (len < 2)
		return;

	int lp = (type&BC_COLOR_MASK) ? 4 : 0;
	std::unique_ptr<unsigned char> buf(new unsigned char[4+lp+len]);

	WBUFW(buf.get(),0) = 0x9a;
	WBUFW(buf.get(),2) = 4 + lp + len;
	if (type&BC_BLUE)
		WBUFL(buf.get(),4) = 0x65756c62; //If there's "blue" at the beginning of the message, game client will display it in blue instead of yellow.
	else if (type&BC_WOE)
		WBUFL(buf.get(),4) = 0x73737373; //If there's "ssss", game client will recognize message as 'WoE broadcast'.
	memcpy(WBUFP(buf.get(), 4 + lp), mes, len);
	clif_send(buf.get(), WBUFW(buf.get(),2), bl, target);
}

/*==========================================
 * Displays a message on a 'bl' to all it's nearby clients
 * 008d <PacketLength>.W <GID>.L <message>.?B (ZC_NOTIFY_CHAT)
 *------------------------------------------*/
void clif_GlobalMessage(struct block_list* bl, const char* message, enum send_target target) {
	size_t len;
	nullpo_retv(bl);

	if(!message)
		return;

	len = strlen(message)+1;

	static_assert(CHAT_SIZE_MAX > 8, "CHAT_SIZE_MAX too small for packet");
	if( len > CHAT_SIZE_MAX ) {
		ShowWarning("clif_GlobalMessage: Truncating too long message '%s' (len=%" PRIuPTR ").\n", message, len);
		len = CHAT_SIZE_MAX;
	}
	std::unique_ptr<char> buf(new char[8+len]);

	WBUFW(buf.get(),0)=0x8d;
	WBUFW(buf.get(),2)=static_cast<uint16>(len+8);
	WBUFL(buf.get(),4)=bl->id;
	safestrncpy(WBUFCP(buf.get(),8),message,len);

	clif_send((unsigned char *)buf.get(),WBUFW(buf.get(),2),bl,target);
}


/// Send broadcast message with font formatting (ZC_BROADCAST2).
/// 01c3 <packet len>.W <fontColor>.L <fontType>.W <fontSize>.W <fontAlign>.W <fontY>.W <message>.?B
void clif_broadcast2(struct block_list* bl, const char* mes, int len, unsigned long fontColor, short fontType, short fontSize, short fontAlign, short fontY, enum send_target target)
{
	nullpo_retv(mes);
	if (len < 2)
		return;

	std::unique_ptr<unsigned char> buf(new unsigned char[16+len]);

	WBUFW(buf.get(),0)  = 0x1c3;
	WBUFW(buf.get(),2)  = len + 16;
	WBUFL(buf.get(),4)  = fontColor;
	WBUFW(buf.get(),8)  = fontType;
	WBUFW(buf.get(),10) = fontSize;
	WBUFW(buf.get(),12) = fontAlign;
	WBUFW(buf.get(),14) = fontY;
	memcpy(WBUFP(buf.get(),16), mes, len);
	clif_send(buf.get(), WBUFW(buf.get(),2), bl, target);
}

/*
 * Display *msg to all *users in channel
 */
void clif_channel_msg(struct Channel *channel, const char *msg, unsigned long color) {
	DBIterator *iter;
	struct map_session_data *user;
	unsigned short msg_len = 0, len = 0;
	unsigned char buf[CHAT_SIZE_MAX];

	if (!channel || !msg)
		return;

	msg_len = (unsigned short)(strlen(msg) + 1);

	if( msg_len > sizeof(buf)-12 ) {
		ShowWarning("clif_channel_msg: Truncating too long message '%s' (len=%u).\n", msg, msg_len);
		msg_len = sizeof(buf)-12;
	}

	WBUFW(buf,0) = 0x2C1;
	WBUFW(buf,2) = (len = msg_len + 12);
	WBUFL(buf,4) = 0;
	WBUFL(buf,8) = color;
	safestrncpy(WBUFCP(buf,12), msg, msg_len);

	iter = db_iterator(channel->users);
	for( user = (struct map_session_data *)dbi_first(iter); dbi_exists(iter); user = (struct map_session_data *)dbi_next(iter) ) {
		clif_send(buf, len, &user->bl, SELF);
	}
	dbi_destroy(iter);
}

/// Displays heal effect.
/// 013d <var id>.W <amount>.W (ZC_RECOVERY)
/// 0a27 <var id>.W <amount>.L (ZC_RECOVERY2)
/// var id:
///     5 = HP (SP_HP)
///     7 = SP (SP_SP)
///     ? = ignored
void clif_heal(int fd,int type,int val) {
#if PACKETVER < 20141022
	const int cmd = 0x13d;
#else
	const int cmd = 0xa27;
#endif

	WFIFOHEAD(fd, packet_len(cmd));
	WFIFOW(fd,0) = cmd;
	WFIFOW(fd,2) = type;
#if PACKETVER < 20141022
	WFIFOW(fd,4) = min(val, INT16_MAX);
#else
	WFIFOL(fd,4) = min(val, INT32_MAX);
#endif
	WFIFOSET(fd, packet_len(cmd));
}


/// Displays resurrection effect (ZC_RESURRECTION).
/// 0148 <id>.L <type>.W
/// type:
///     ignored
void clif_resurrection(struct block_list *bl,int type)
{
	unsigned char buf[16];

	nullpo_retv(bl);

	WBUFW(buf,0)=0x148;
	WBUFL(buf,2)=bl->id;
	WBUFW(buf,6)=0;

	clif_send(buf,packet_len(0x148),bl,type==1 ? AREA : AREA_WOS);
	if (disguised(bl))
		clif_spawn(bl);
}


/// Sets the map property
/// 0199 <type>.W (ZC_NOTIFY_MAPPROPERTY)
/// 099b <type>.W <flags>.L (ZC_MAPPROPERTY_R2)
void clif_map_property(struct block_list *bl, enum map_property property, enum send_target t)
{
#if PACKETVER >= 20121010
	short cmd = 0x99b;
	unsigned char buf[8];
#else
	short cmd = 0x199;
	unsigned char buf[4];
#endif
	
	WBUFW(buf,0)=cmd;
	WBUFW(buf,2)=property;

#if PACKETVER >= 20121010
	struct map_data *mapdata = map_getmapdata(bl->m);

	WBUFL(buf,4) = ((mapdata->flag[MF_PVP]?1:0)<<0)| // PARTY - Show attack cursor on non-party members (PvP)
		((mapdata->flag[MF_BATTLEGROUND] || mapdata_flag_gvg2(mapdata)?1:0)<<1)|// GUILD - Show attack cursor on non-guild members (GvG)
		((mapdata->flag[MF_BATTLEGROUND] || mapdata_flag_gvg2(mapdata)?1:0)<<2)|// SIEGE - Show emblem over characters heads when in GvG (WoE castle)
		((mapdata->flag[MF_NOMINEEFFECT] || !mapdata_flag_gvg2(mapdata)?0:1)<<3)| // USE_SIMPLE_EFFECT - Automatically enable /mineffect
		((mapdata->flag[MF_NOLOCKON] || mapdata_flag_vs(mapdata)?1:0)<<4)| // DISABLE_LOCKON - Only allow attacks on other players with shift key or /ns active
		((mapdata->flag[MF_PVP]?1:0)<<5)| // COUNT_PK - Show the PvP counter
		((mapdata->flag[MF_PARTYLOCK]?1:0)<<6)| // NO_PARTY_FORMATION - Prevents party creation/modification (Might be used for instance dungeons)
		((mapdata->flag[MF_BATTLEGROUND]?1:0)<<7)| // BATTLEFIELD - Unknown (Does something for battlegrounds areas)
		((mapdata->flag[MF_NOCOSTUME]?1:0)<<8)| // DISABLE_COSTUMEITEM - Disable costume sprites
		((mapdata->flag[MF_NOUSECART]?0:1)<<9)| // USECART - Allow opening cart inventory (Well force it to always allow it)
		((mapdata->flag[MF_NOSUNMOONSTARMIRACLE]?0:1)<<10); // SUNMOONSTAR_MIRACLE - Blocks Star Gladiator's Miracle from activating
		//(1<<11); // Unused bits. 1 - 10 is 0x1 length and 11 is 0x15 length. May be used for future settings.
#endif
	
	clif_send(buf,packet_len(cmd),bl,t);
}

/// Set the map type (ZC_NOTIFY_MAPPROPERTY2).
/// 01d6 <type>.W
void clif_map_type(struct map_session_data* sd, enum map_type type)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x1D6));
	WFIFOW(fd,0)=0x1D6;
	WFIFOW(fd,2)=type;
	WFIFOSET(fd,packet_len(0x1D6));
}


/// Updates PvP ranking (ZC_NOTIFY_RANKING).
/// 019a <id>.L <ranking>.L <total>.L
void clif_pvpset(struct map_session_data *sd,int pvprank,int pvpnum,int type)
{
	if(type == 2) {
		int fd = sd->fd;
		WFIFOHEAD(fd,packet_len(0x19a));
		WFIFOW(fd,0) = 0x19a;
		WFIFOL(fd,2) = sd->bl.id;
		WFIFOL(fd,6) = pvprank;
		WFIFOL(fd,10) = pvpnum;
		WFIFOSET(fd,packet_len(0x19a));
	} else {
		unsigned char buf[32];
		WBUFW(buf,0) = 0x19a;
		WBUFL(buf,2) = sd->bl.id;
		if(sd->sc.option&(OPTION_HIDE|OPTION_CLOAK))
			WBUFL(buf,6) = UINT32_MAX; //On client displays as --
		else
			WBUFL(buf,6) = pvprank;
		WBUFL(buf,10) = pvpnum;
		if(pc_isinvisible(sd) || sd->disguise) //Causes crashes when a 'mob' with pvp info dies.
			clif_send(buf,packet_len(0x19a),&sd->bl,SELF);
		else if(!type)
			clif_send(buf,packet_len(0x19a),&sd->bl,AREA);
		else
			clif_send(buf,packet_len(0x19a),&sd->bl,ALL_SAMEMAP);
	}
}


/*==========================================
 *
 *------------------------------------------*/
void clif_map_property_mapall(int map_idx, enum map_property property)
{
	struct block_list bl;

	bl.id = 0;
	bl.type = BL_NUL;
	bl.m = map_idx;
	
	clif_map_property( &bl, property, ALL_SAMEMAP );
}

/// Notifies the client about the result of a refine attempt (ZC_ACK_ITEMREFINING).
/// 0188 <result>.W <index>.W <refine>.W
/// result:
///     0 = success
///     1 = failure
///     2 = downgrade
void clif_refine(int fd, int fail, int index, int val)
{
	WFIFOHEAD(fd,packet_len(0x188));
	WFIFOW(fd,0)=0x188;
	WFIFOW(fd,2)=fail;
	WFIFOW(fd,4)=index+2;
	WFIFOW(fd,6)=val;
	WFIFOSET(fd,packet_len(0x188));
}


/// Notifies the client about the result of a weapon refine attempt (ZC_ACK_WEAPONREFINE).
/// 0223 <result>.L <nameid>.W
/// result:
///     0 = "weapon upgraded: %s" MsgStringTable[911] in rgb(0,255,255)
///     1 = "weapon upgraded: %s" MsgStringTable[912] in rgb(0,205,205)
///     2 = "cannot upgrade %s until you level up the upgrade weapon skill" MsgStringTable[913] in rgb(255,200,200)
///     3 = "you lack the item %s to upgrade the weapon" MsgStringTable[914] in rgb(255,200,200)
void clif_upgrademessage(int fd, int result, unsigned short item_id)
{
	WFIFOHEAD(fd,packet_len(0x223));
	WFIFOW(fd,0)=0x223;
	WFIFOL(fd,2)=result;
	WFIFOW(fd,6)=item_id;
	WFIFOSET(fd,packet_len(0x223));
}


/// Whisper is transmitted to the destination player (ZC_WHISPER).
/// 0097 <packet len>.W <nick>.24B <message>.?B
/// 0097 <packet len>.W <nick>.24B <isAdmin>.L <message>.?B (PACKETVER >= 20091104)
void clif_wis_message(struct map_session_data* sd, const char* nick, const char* mes, int mes_len, int gmlvl){
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;

#if PACKETVER < 20091104
	WFIFOHEAD(fd, mes_len + NAME_LENGTH + 4);
	WFIFOW(fd,0) = 0x97;
	WFIFOW(fd,2) = mes_len + NAME_LENGTH + 4;
	safestrncpy(WFIFOCP(fd,4), nick, NAME_LENGTH);
	safestrncpy(WFIFOCP(fd,28), mes, mes_len);
	WFIFOSET(fd,WFIFOW(fd,2));
#else
	struct map_session_data *ssd = map_nick2sd(nick,false);

	WFIFOHEAD(fd, mes_len + NAME_LENGTH + 8);
	WFIFOW(fd,0) = 0x97;
	WFIFOW(fd,2) = mes_len + NAME_LENGTH + 8;
	safestrncpy(WFIFOCP(fd,4), nick, NAME_LENGTH);
	// If it is not a message from the server or a player from another map-server
	if( ssd ){
		gmlvl = pc_get_group_level(ssd);
	}
	WFIFOL(fd, 28) = (gmlvl == 99) ? 1 : 0; // isAdmin; if nonzero, also displays text above char
	safestrncpy(WFIFOCP(fd,32), mes, mes_len);
	WFIFOSET(fd,WFIFOW(fd,2));
#endif
}


/// Inform the player about the result of his whisper action 
/// 0098 <result>.B (ZC_ACK_WHISPER).
/// 09df <result>.B <GID>.L (ZC_ACK_WHISPER02).
/// result:
///     0 = success to send wisper
///     1 = target character is not loged in
///     2 = ignored by target
///     3 = everyone ignored by target
void clif_wis_end(int fd, int result)
{
	struct map_session_data *sd = (session_isValid(fd) ? (struct map_session_data *)session[fd]->session_data : NULL);
#if PACKETVER < 20131223
	const int cmd = 0x98;
#else
	const int cmd = 0x9df;
#endif

	if (!sd)
		return;

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd,0) = cmd;
	WFIFOB(fd,2) = (char)result;
#if PACKETVER >= 20131223
	WFIFOL(fd,3) = sd->status.char_id;	// GID/CCODE
#endif
	WFIFOSET(fd,packet_len(cmd));
}


/// Returns character name requested by char_id (ZC_ACK_REQNAME_BYGID).
/// 0194 <char id>.L <name>.24B
/// 0af7 <flag>.W <char id>.L <name>.24B
void clif_solved_charname(int fd, int charid, const char* name)
{
#if PACKETVER >= 20180221
	WFIFOHEAD(fd,packet_len(0xaf7));
	WFIFOW(fd,0) = 0xaf7;
	WFIFOW(fd,2) = name[0] ? 3 : 2;
	WFIFOL(fd,4) = charid;
	safestrncpy(WFIFOCP(fd, 8), name, NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x0af7));
#else
	WFIFOHEAD(fd,packet_len(0x194));
	WFIFOW(fd,0)=0x194;
	WFIFOL(fd,2)=charid;
	safestrncpy(WFIFOCP(fd,6), name, NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x194));
#endif
}


/// Presents a list of items that can be carded/composed (ZC_ITEMCOMPOSITION_LIST).
/// 017b <packet len>.W { <name id>.W }*
void clif_use_card(struct map_session_data *sd,int idx)
{
	int i,c,ep;
	int fd=sd->fd;

	nullpo_retv(sd);
	if (idx < 0 || idx >= MAX_INVENTORY) //Crash-fix from bad packets.
		return;

	if (!sd->inventory_data[idx] || sd->inventory_data[idx]->type != IT_CARD)
		return; //Avoid parsing invalid item indexes (no card/no item)

	ep=sd->inventory_data[idx]->equip;
	WFIFOHEAD(fd,MAX_INVENTORY * 2 + 4);
	WFIFOW(fd,0)=0x17b;

	for(i=c=0;i<MAX_INVENTORY;i++){
		int j;

		if(sd->inventory_data[i] == NULL)
			continue;
		if(sd->inventory_data[i]->type!=IT_WEAPON && sd->inventory_data[i]->type!=IT_ARMOR)
			continue;
		if(itemdb_isspecial(sd->inventory.u.items_inventory[i].card[0])) //Can't slot it
			continue;

		if(sd->inventory.u.items_inventory[i].identify==0 )	//Not identified
			continue;

		if((sd->inventory_data[i]->equip&ep)==0)	//Not equippable on this part.
			continue;

		if(sd->inventory_data[i]->type==IT_WEAPON && ep==EQP_SHIELD) //Shield card won't go on left weapon.
			continue;

		ARR_FIND( 0, sd->inventory_data[i]->slot, j, sd->inventory.u.items_inventory[i].card[j] == 0 );
		if( j == sd->inventory_data[i]->slot )	// No room
			continue;

		if( sd->inventory.u.items_inventory[i].equip > 0 )	// Do not check items that are already equipped
			continue;

		WFIFOW(fd,4+c*2)=i+2;
		c++;
	}

	if( !c ) return;	// no item is available for card insertion

	WFIFOW(fd,2)=4+c*2;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Notifies the client about the result of item carding/composition (ZC_ACK_ITEMCOMPOSITION).
/// 017d <equip index>.W <card index>.W <result>.B
/// result:
///     0 = success
///     1 = failure
void clif_insert_card(struct map_session_data *sd,int idx_equip,int idx_card,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x17d));
	WFIFOW(fd,0)=0x17d;
	WFIFOW(fd,2)=idx_equip+2;
	WFIFOW(fd,4)=idx_card+2;
	WFIFOB(fd,6)=flag;
	WFIFOSET(fd,packet_len(0x17d));
}


/// Presents a list of items that can be identified (ZC_ITEMIDENTIFY_LIST).
/// 0177 <packet len>.W { <name id>.W }*
void clif_item_identify_list(struct map_session_data *sd)
{
	int i,c;
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;

	WFIFOHEAD(fd,MAX_INVENTORY * 2 + 4);
	WFIFOW(fd,0)=0x177;
	for(i=c=0;i<MAX_INVENTORY;i++){
		if(sd->inventory.u.items_inventory[i].nameid > 0 && !sd->inventory.u.items_inventory[i].identify){
			WFIFOW(fd,c*2+4)=i+2;
			c++;
		}
	}
	if(c > 0) {
		WFIFOW(fd,2)=c*2+4;
		WFIFOSET(fd,WFIFOW(fd,2));
		sd->menuskill_id = MC_IDENTIFY;
		sd->menuskill_val = c;
		sd->state.workinprogress = WIP_DISABLE_ALL;
	}
}


/// Notifies the client about the result of a item identify request (ZC_ACK_ITEMIDENTIFY).
/// 0179 <index>.W <result>.B
void clif_item_identified(struct map_session_data *sd,int idx,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x179));
	WFIFOW(fd, 0)=0x179;
	WFIFOW(fd, 2)=idx+2;
	WFIFOB(fd, 4)=flag;
	WFIFOSET(fd,packet_len(0x179));
}


/// Presents a list of items that can be repaired (ZC_REPAIRITEMLIST).
/// 01fc <packet len>.W { <index>.W <name id>.W <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W }*
void clif_item_repair_list(struct map_session_data *sd,struct map_session_data *dstsd, int lv)
{
	int i,c;
	int fd;

	nullpo_retv(sd);
	nullpo_retv(dstsd);

	fd=sd->fd;

	WFIFOHEAD(fd, MAX_INVENTORY * 13 + 4);
	WFIFOW(fd,0)=0x1fc;
	for(i=c=0;i<MAX_INVENTORY;i++){
		unsigned short nameid;
		if((nameid=dstsd->inventory.u.items_inventory[i].nameid) > 0 && dstsd->inventory.u.items_inventory[i].attribute!=0){// && skill_can_repair(sd,nameid)){
			WFIFOW(fd,c*13+4) = i;
			WFIFOW(fd,c*13+6) = nameid;
			WFIFOB(fd,c*13+8) = dstsd->inventory.u.items_inventory[i].refine;
			clif_addcards(WFIFOP(fd,c*13+9), &dstsd->inventory.u.items_inventory[i]);
			c++;
		}
	}
	if(c > 0) {
		WFIFOW(fd,2)=c*13+4;
		WFIFOSET(fd,WFIFOW(fd,2));
		sd->menuskill_id = BS_REPAIRWEAPON;
		sd->menuskill_val = dstsd->bl.id;
		sd->menuskill_val2 = lv;
	}else
		clif_skill_fail(sd,sd->ud.skill_id,USESKILL_FAIL_LEVEL,0);
}


/// Notifies the client about the result of a item repair request (ZC_ACK_ITEMREPAIR).
/// 01fe <index>.W <result>.B
/// index:
///     ignored (inventory index)
/// result:
///     0 = Item repair success.
///     1 = Item repair failure.
void clif_item_repaireffect(struct map_session_data *sd,int idx,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x1fe));
	WFIFOW(fd, 0)=0x1fe;
	WFIFOW(fd, 2)=idx+2;
	WFIFOB(fd, 4)=flag;
	WFIFOSET(fd,packet_len(0x1fe));

}


/// Displays a message, that an equipment got damaged (ZC_EQUIPITEM_DAMAGED).
/// 02bb <equip location>.W <account id>.L
void clif_item_damaged(struct map_session_data* sd, unsigned short position)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x2bb));
	WFIFOW(fd,0) = 0x2bb;
	WFIFOW(fd,2) = position;
	WFIFOL(fd,4) = sd->bl.id;  // TODO: the packet seems to be sent to other people as well, probably party and/or guild.
	WFIFOSET(fd,packet_len(0x2bb));
}


/// Presents a list of weapon items that can be refined [Taken from jAthena] (ZC_NOTIFY_WEAPONITEMLIST).
/// 0221 <packet len>.W { <index>.W <name id>.W <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W }*
void clif_item_refine_list(struct map_session_data *sd)
{
	int i,c;
	int fd;
	uint16 skill_lv;
	int refine_item[5];

	nullpo_retv(sd);

	skill_lv = pc_checkskill(sd,WS_WEAPONREFINE);

	fd=sd->fd;

	refine_item[0] = -1;
	refine_item[1] = pc_search_inventory(sd,ITEMID_PHRACON);
	refine_item[2] = pc_search_inventory(sd,ITEMID_EMVERETARCON);
	refine_item[3] = refine_item[4] = pc_search_inventory(sd,ITEMID_ORIDECON);

	WFIFOHEAD(fd, MAX_INVENTORY * 13 + 4);
	WFIFOW(fd,0) = 0x221;
	for(i = c = 0; i < MAX_INVENTORY; i++) {
		unsigned char wlv;
		if(sd->inventory.u.items_inventory[i].nameid > 0 && sd->inventory.u.items_inventory[i].refine < skill_lv &&
			sd->inventory.u.items_inventory[i].identify && (wlv = itemdb_wlv(sd->inventory.u.items_inventory[i].nameid)) >=1 &&
			refine_item[wlv] != -1 && !(sd->inventory.u.items_inventory[i].equip&EQP_ARMS)){
			WFIFOW(fd,c*13+ 4)=i+2;
			WFIFOW(fd,c*13+ 6) = sd->inventory.u.items_inventory[i].nameid;
			WFIFOB(fd,c*13+ 8) = sd->inventory.u.items_inventory[i].refine;
			clif_addcards(WFIFOP(fd,c*13+9), &sd->inventory.u.items_inventory[i]);
			c++;
		}
	}
	WFIFOW(fd,2)=c*13+4;
	WFIFOSET(fd,WFIFOW(fd,2));
	if (c > 0) {
		sd->menuskill_id = WS_WEAPONREFINE;
		sd->menuskill_val = skill_lv;
	}
}


/// Notification of an auto-casted skill (ZC_AUTORUN_SKILL).
/// 0147 <skill id>.W <type>.L <level>.W <sp cost>.W <atk range>.W <skill name>.24B <upgradable>.B
void clif_item_skill(struct map_session_data *sd,uint16 skill_id,uint16 skill_lv)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x147));
	WFIFOW(fd, 0)=0x147;
	WFIFOW(fd, 2)=skill_id;
	WFIFOW(fd, 4)=skill_get_inf(skill_id);
	WFIFOW(fd, 6)=0;
	WFIFOW(fd, 8)=skill_lv;
	WFIFOW(fd,10)=skill_get_sp(skill_id,skill_lv);
	WFIFOW(fd,12)=skill_get_range2(&sd->bl,skill_id,skill_lv,false);
	safestrncpy(WFIFOCP(fd,14),skill_get_name(skill_id),NAME_LENGTH);
	WFIFOB(fd,38)=0;
	WFIFOSET(fd,packet_len(0x147));
}


/// Adds an item to character's cart.
/// 0124 <index>.W <amount>.L <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W (ZC_ADD_ITEM_TO_CART)
/// 01c5 <index>.W <amount>.L <name id>.W <type>.B <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W (ZC_ADD_ITEM_TO_CART2)
/// 0a0b <index>.W <amount>.L <name id>.W <type>.B <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W { <option id>.W <option value>.W <option param>.B }*5 (ZC_ADD_ITEM_TO_CART3)
void clif_cart_additem(struct map_session_data *sd,int n,int amount,int fail)
{
#if PACKETVER < 5
	const int cmd = 0x124;
#elif PACKETVER < 20150225
	const int cmd = 0x1c5;
#else
	const int cmd = 0xa0b;
#endif
	int view,fd;
	unsigned char *buf;
	int offset = 0;

	nullpo_retv(sd);

	fd=sd->fd;
	if(n < 0 || n >= MAX_CART || sd->cart.u.items_cart[n].nameid <= 0)
		return;

	WFIFOHEAD(fd,packet_len(cmd));
	buf=WFIFOP(fd,0);
	WBUFW(buf,0)=cmd;
	WBUFW(buf,2)=n+2;
	WBUFL(buf,4)=amount;
	if((view = itemdb_viewid(sd->cart.u.items_cart[n].nameid)) > 0)
		WBUFW(buf,8)=view;
	else
		WBUFW(buf,8)=sd->cart.u.items_cart[n].nameid;
#if PACKETVER >= 5
	WBUFB(buf,10)=itemdb_type(sd->cart.u.items_cart[n].nameid);
	offset += 1;
#endif
	WBUFB(buf,10+offset)=sd->cart.u.items_cart[n].identify;
	WBUFB(buf,11+offset)=sd->cart.u.items_cart[n].attribute;
	WBUFB(buf,12+offset)=sd->cart.u.items_cart[n].refine;
	clif_addcards(WBUFP(buf,13+offset), &sd->cart.u.items_cart[n]);
#if PACKETVER >= 20150225
	clif_add_random_options(WBUFP(buf,21+offset), &sd->cart.u.items_cart[n]);
#endif
	WFIFOSET(fd,packet_len(cmd));
}

// [Ind/Hercules] - Data Thanks to Yommy (ZC_ACK_ADDITEM_TO_CART)
/* Acknowledge an item have been added to cart
 * 012c <result>B
 * result :
 * 0 = ADDITEM_TO_CART_FAIL_WEIGHT
 * 1 = ADDITEM_TO_CART_FAIL_COUNT
 */
void clif_cart_additem_ack(struct map_session_data *sd, uint8 flag)
{
	int fd;
	unsigned char *buf;
	nullpo_retv(sd);

	fd = sd->fd;
	buf = WFIFOP(fd,0);
	WBUFW(buf,0) = 0x12c;
	WBUFB(buf,2) = flag;
	clif_send(buf,packet_len(0x12c),&sd->bl,SELF);
}

// 09B7 <unknow data> (ZC_ACK_OPEN_BANKING)
void clif_bank_open(struct map_session_data *sd){
	int fd;

	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd,4);
	WFIFOW(fd,0) = 0x09b7;
	WFIFOW(fd,2) = 0;
	WFIFOSET(fd,4);
}

/*
 * Request to Open the banking system
 * 09B6 <aid>L ??? (dunno just wild guess checkme)
 */
void clif_parse_BankOpen(int fd, struct map_session_data* sd) {
	//TODO check if preventing trade or stuff like that
	//also mark something in case char ain't available for saving, should we check now ?
	nullpo_retv(sd);
	if( !battle_config.feature_banking ) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1496),false,SELF); //Banking is disabled
		return;
	}
	else {
		struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
		int aid = RFIFOL(fd,info->pos[0]); //unused should we check vs fd ?
		if(sd->status.account_id == aid){
			sd->state.banking = 1;
			//request save ?
			//chrif_bankdata_request(sd->status.account_id, sd->status.char_id);
			//on succes open bank ?
			clif_bank_open(sd);
		}
	}
}

// 09B9 <unknow data> (ZC_ACK_CLOSE_BANKING)

void clif_bank_close(struct map_session_data *sd){
	int fd;

	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd,4);
	WFIFOW(fd,0) = 0x09B9;
	WFIFOW(fd,2) = 0;
	WFIFOSET(fd,4);
}

/*
 * Request to close the banking system
 * 09B8 <aid>L ??? (dunno just wild guess checkme)
 */
void clif_parse_BankClose(int fd, struct map_session_data* sd) {
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int aid = RFIFOL(fd,info->pos[0]); //unused should we check vs fd ?

	nullpo_retv(sd);
	if( !battle_config.feature_banking ) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1496),false,SELF); //Banking is disabled
		//still allow to go trough to not stuck player if we have disable it while they was in
	}
	if(sd->status.account_id == aid){
		sd->state.banking = 0;
		clif_bank_close(sd);
	}
}

/*
 * Display how much we got in bank (I suppose)
  09A6 <Bank_Vault>Q <Reason>W (PACKET_ZC_BANKING_CHECK)
 */
void clif_Bank_Check(struct map_session_data* sd) {
	unsigned char buf[13];
	struct s_packet_db* info;
	int16 len;
	int cmd = 0;

	nullpo_retv(sd);

	cmd = packet_db_ack[ZC_BANKING_CHECK];
	if(!cmd) cmd = 0x09A6; //default
	info = &packet_db[cmd];
	len = info->len;
	if(!len) return; //version as packet disable
	// sd->state.banking = 1; //mark opening and closing

	WBUFW(buf,0) = cmd;
	WBUFQ(buf,info->pos[0]) = sd->bank_vault; //value
	WBUFW(buf,info->pos[1]) = 0; //reason
	clif_send(buf,len,&sd->bl,SELF);
}

/*
 * Requesting the data in bank
 * 09AB <aid>L (PACKET_CZ_REQ_BANKING_CHECK)
 */
void clif_parse_BankCheck(int fd, struct map_session_data* sd) {
	nullpo_retv(sd);

	if( !battle_config.feature_banking ) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1496),false,SELF); //Banking is disabled
		return;
	}
	else {
		struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
		int aid = RFIFOL(fd,info->pos[0]); //unused should we check vs fd ?
		if(sd->status.account_id == aid) //since we have it let check it for extra security
			clif_Bank_Check(sd);
	}
}

/*
 * Acknowledge of deposit some money in bank
  09A8 <Reason>W <Money>Q <balance>L (PACKET_ZC_ACK_BANKING_DEPOSIT)
 */
void clif_bank_deposit(struct map_session_data *sd, enum e_BANKING_DEPOSIT_ACK reason) {
	unsigned char buf[17];
	struct s_packet_db* info;
	int16 len;
	int cmd =0;

	nullpo_retv(sd);

	cmd = packet_db_ack[ZC_ACK_BANKING_DEPOSIT];
	if(!cmd) cmd = 0x09A8;
	info = &packet_db[cmd];
	len = info->len;
	if(!len) return; //version as packet disable

	WBUFW(buf,0) = cmd;
	WBUFW(buf,info->pos[0]) = (short)reason;
	WBUFQ(buf,info->pos[1]) = sd->bank_vault;/* money in the bank */
	WBUFL(buf,info->pos[2]) = sd->status.zeny;/* how much zeny char has after operation */
	clif_send(buf,len,&sd->bl,SELF);
}

/*
 * Request saving some money in bank
 * @author : original [Yommy/Hercules]
 * 09A7 <AID>L <Money>L (PACKET_CZ_REQ_BANKING_DEPOSIT)
 */
void clif_parse_BankDeposit(int fd, struct map_session_data* sd) {
	nullpo_retv(sd);
	if( !battle_config.feature_banking ) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1496),false,SELF); //Banking is disabled
		return;
	}
	else {
		struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
		int aid = RFIFOL(fd,info->pos[0]); //unused should we check vs fd ?
		int money = RFIFOL(fd,info->pos[1]);

		if(sd->status.account_id == aid){
			enum e_BANKING_DEPOSIT_ACK reason = pc_bank_deposit(sd,max(0,money));
			clif_bank_deposit(sd,reason);
		}
	}
}

/*
 * Acknowledge of withdrawing some money from bank
  09AA <Reason>W <Money>Q <balance>L (PACKET_ZC_ACK_BANKING_WITHDRAW)
 */
void clif_bank_withdraw(struct map_session_data *sd,enum e_BANKING_WITHDRAW_ACK reason) {
	unsigned char buf[17];
	struct s_packet_db* info;
	int16 len;
	int cmd;

	nullpo_retv(sd);

	cmd = packet_db_ack[ZC_ACK_BANKING_WITHDRAW];
	if(!cmd) cmd = 0x09AA;
	info = &packet_db[cmd];
	len = info->len;
	if(!len) return; //version as packet disable

	WBUFW(buf,0) = cmd;
	WBUFW(buf,info->pos[0]) = (short)reason;
	WBUFQ(buf,info->pos[1]) = sd->bank_vault;/* money in the bank */
	WBUFL(buf,info->pos[2]) = sd->status.zeny;/* how much zeny char has after operation */

	clif_send(buf,len,&sd->bl,SELF);
}

/*
 * Request Withdrawing some money from bank
 * 09A9 <AID>L <Money>L (PACKET_CZ_REQ_BANKING_WITHDRAW)
 */
void clif_parse_BankWithdraw(int fd, struct map_session_data* sd) {
        nullpo_retv(sd);
	if( !battle_config.feature_banking ) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1496),false,SELF); //Banking is disabled
		return;
	}
	else {
		struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
		int aid = RFIFOL(fd,info->pos[0]); //unused should we check vs fd ?
		int money = RFIFOL(fd,info->pos[1]);
		if(sd->status.account_id == aid){
			enum e_BANKING_WITHDRAW_ACK reason = pc_bank_withdraw(sd,max(0,money));
			clif_bank_withdraw(sd,reason);
		}
	}
}

/// Deletes an item from character's cart (ZC_DELETE_ITEM_FROM_CART).
/// 0125 <index>.W <amount>.L
void clif_cart_delitem(struct map_session_data *sd,int n,int amount)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;

	WFIFOHEAD(fd,packet_len(0x125));
	WFIFOW(fd,0)=0x125;
	WFIFOW(fd,2)=n+2;
	WFIFOL(fd,4)=amount;
	WFIFOSET(fd,packet_len(0x125));
}


/// Opens the shop creation menu (ZC_OPENSTORE).
/// 012d <num>.W
/// num:
///     number of allowed item slots
void clif_openvendingreq(struct map_session_data* sd, int num)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0x12d));
	WFIFOW(fd,0) = 0x12d;
	WFIFOW(fd,2) = num;
	WFIFOSET(fd,packet_len(0x12d));
}


/// Displays a vending board to target/area (ZC_STORE_ENTRY).
/// 0131 <owner id>.L <message>.80B
void clif_showvendingboard(struct block_list* bl, const char* message, int fd)
{
	unsigned char buf[128];

	nullpo_retv(bl);

	WBUFW(buf,0) = 0x131;
	WBUFL(buf,2) = bl->id;
	safestrncpy(WBUFCP(buf,6), message, 80);

	if( fd ) {
		WFIFOHEAD(fd,packet_len(0x131));
		memcpy(WFIFOP(fd,0),buf,packet_len(0x131));
		WFIFOSET(fd,packet_len(0x131));
	} else {
		clif_send(buf,packet_len(0x131),bl,AREA_WOS);
	}
}


/// Removes a vending board from screen (ZC_DISAPPEAR_ENTRY).
/// 0132 <owner id>.L
void clif_closevendingboard(struct block_list* bl, int fd)
{
	unsigned char buf[16];

	nullpo_retv(bl);

	WBUFW(buf,0) = 0x132;
	WBUFL(buf,2) = bl->id;
	if( fd ) {
		WFIFOHEAD(fd,packet_len(0x132));
		memcpy(WFIFOP(fd,0),buf,packet_len(0x132));
		WFIFOSET(fd,packet_len(0x132));
	} else {
		clif_send(buf,packet_len(0x132),bl,AREA_WOS);
	}
}


/// Sends a list of items in a shop.
/// R 0133 <packet len>.W <owner id>.L { <price>.L <amount>.W <index>.W <type>.B <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W }* (ZC_PC_PURCHASE_ITEMLIST_FROMMC)
/// R 0800 <packet len>.W <owner id>.L <unique id>.L { <price>.L <amount>.W <index>.W <type>.B <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W }* (ZC_PC_PURCHASE_ITEMLIST_FROMMC2)
void clif_vendinglist(struct map_session_data* sd, int id, struct s_vending* vending)
{
	int i,fd;
	int count;
	struct map_session_data* vsd;
#if PACKETVER < 20100105
	const int cmd = 0x133;
	const int offset = 8;
#else
	const int cmd = 0x800;
	const int offset = 12;
#endif

#if PACKETVER < 20150225
	const int item_length = 22;
#elif PACKETVER < 20160921
	const int item_length = 47;
#else
	const int item_length = 53;
#endif

	nullpo_retv(sd);
	nullpo_retv(vending);
	nullpo_retv(vsd=map_id2sd(id));

	fd = sd->fd;
	count = vsd->vend_num;

	WFIFOHEAD(fd, offset+count*item_length);
	WFIFOW(fd,0) = cmd;
	WFIFOW(fd,2) = offset+count*item_length;
	WFIFOL(fd,4) = id;
#if PACKETVER >= 20100105
	WFIFOL(fd,8) = vsd->vender_id;
#endif

	for( i = 0; i < count; i++ )
	{
		int index = vending[i].index;
		struct item_data* data = itemdb_search(vsd->cart.u.items_cart[index].nameid);
		WFIFOL(fd,offset+ 0+i*item_length) = vending[i].value;
		WFIFOW(fd,offset+ 4+i*item_length) = vending[i].amount;
		WFIFOW(fd,offset+ 6+i*item_length) = vending[i].index + 2;
		WFIFOB(fd,offset+ 8+i*item_length) = itemtype(data->nameid);
		WFIFOW(fd,offset+ 9+i*item_length) = ( data->view_id > 0 ) ? data->view_id : vsd->cart.u.items_cart[index].nameid;
		WFIFOB(fd,offset+11+i*item_length) = vsd->cart.u.items_cart[index].identify;
		WFIFOB(fd,offset+12+i*item_length) = vsd->cart.u.items_cart[index].attribute;
		WFIFOB(fd,offset+13+i*item_length) = vsd->cart.u.items_cart[index].refine;
		clif_addcards(WFIFOP(fd,offset+14+i*item_length), &vsd->cart.u.items_cart[index]);
#if PACKETVER >= 20150225
		clif_add_random_options(WFIFOP(fd,offset+22+i*item_length), &vsd->cart.u.items_cart[index]);
#if PACKETVER >= 20160921
		WFIFOL(fd,offset+47+i*item_length) = pc_equippoint_sub(sd,data);
		WFIFOW(fd,offset+51+i*item_length) = data->look;
#endif
#endif
	}
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Shop purchase failure (ZC_PC_PURCHASE_RESULT_FROMMC).
/// 0135 <index>.W <amount>.W <result>.B
/// result:
///     0 = success
///     1 = not enough zeny
///     2 = overweight
///     4 = out of stock
///     5 = "cannot use an npc shop while in a trade"
///     6 = Because the store information was incorrect the item was not purchased.
///     7 = No sales information.
void clif_buyvending(struct map_session_data* sd, int index, int amount, int fail)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0x135));
	WFIFOW(fd,0) = 0x135;
	WFIFOW(fd,2) = index+2;
	WFIFOW(fd,4) = amount;
	WFIFOB(fd,6) = fail;
	WFIFOSET(fd,packet_len(0x135));
}

/// Show's vending player its list of items for sale (ZC_ACK_OPENSTORE2).
/// 0a28 <Result>.B
/// result:
///     0 = Successed
///     1 = Failed
void clif_openvending_ack(struct map_session_data* sd, int result)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd, 3);
	WFIFOW(fd,0) = 0xa28;
	WFIFOB(fd,2) = result;
	WFIFOSET(fd, 3);
}

/// Shop creation success (ZC_PC_PURCHASE_MYITEMLIST).
/// 0136 <packet len>.W <owner id>.L { <price>.L <index>.W <amount>.W <type>.B <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W }*
void clif_openvending(struct map_session_data* sd, int id, struct s_vending* vending)
{
	int i,fd;
	int count;

#if PACKETVER < 20150225
	const int item_length = 22;
#else
	const int item_length = 47;
#endif

	nullpo_retv(sd);

	fd = sd->fd;
	count = sd->vend_num;

	WFIFOHEAD(fd, 8+count*item_length);
	WFIFOW(fd,0) = 0x136;
	WFIFOW(fd,2) = 8+count*item_length;
	WFIFOL(fd,4) = id;
	for( i = 0; i < count; i++ ) {
		int index = vending[i].index;
		struct item_data* data = itemdb_search(sd->cart.u.items_cart[index].nameid);
		WFIFOL(fd, 8+i*item_length) = vending[i].value;
		WFIFOW(fd,12+i*item_length) = vending[i].index + 2;
		WFIFOW(fd,14+i*item_length) = vending[i].amount;
		WFIFOB(fd,16+i*item_length) = itemtype(data->nameid);
		WFIFOW(fd,17+i*item_length) = ( data->view_id > 0 ) ? data->view_id : sd->cart.u.items_cart[index].nameid;
		WFIFOB(fd,19+i*item_length) = sd->cart.u.items_cart[index].identify;
		WFIFOB(fd,20+i*item_length) = sd->cart.u.items_cart[index].attribute;
		WFIFOB(fd,21+i*item_length) = sd->cart.u.items_cart[index].refine;
		clif_addcards(WFIFOP(fd,22+i*item_length), &sd->cart.u.items_cart[index]);
#if PACKETVER >= 20150225
		clif_add_random_options(WFIFOP(fd,30+i*item_length), &sd->cart.u.items_cart[index]);
#endif
	}
	WFIFOSET(fd,WFIFOW(fd,2));

#if PACKETVER >= 20141022
	///     0 = Successed
	///     1 = Failed
	clif_openvending_ack(sd, 0);
#endif
}


/// Inform merchant that someone has bought an item.
/// 0137 <index>.W <amount>.W (ZC_DELETEITEM_FROM_MCSTORE).
/// 09e5 <index>.W <amount>.W <GID>.L <Date>.L <zeny>.L (ZC_DELETEITEM_FROM_MCSTORE2).
void clif_vendingreport(struct map_session_data* sd, int index, int amount, uint32 char_id, int zeny) {
#if PACKETVER < 20141016		// TODO : not sure for client date [Napster]
	const int cmd = 0x137;
#else
	const int cmd = 0x9e5;
#endif
	int fd = sd->fd;

	nullpo_retv(sd);

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd,0) = cmd;
	WFIFOW(fd,2) = index+2;
	WFIFOW(fd,4) = amount;
#if PACKETVER >= 20141016
	WFIFOL(fd,6) = char_id;	// GID
	WFIFOL(fd,10) = (int)time(NULL);	// Date
	WFIFOL(fd,14) = zeny;		// zeny
#endif
	WFIFOSET(fd,packet_len(cmd));
}


/// Result of organizing a party (ZC_ACK_MAKE_GROUP).
/// 00fa <result>.B
/// result:
///     0 = opens party window and shows MsgStringTable[77]="party successfully organized"
///     1 = MsgStringTable[78]="party name already exists"
///     2 = MsgStringTable[79]="already in a party"
///     3 = cannot organize parties on this map
///     ? = nothing
void clif_party_created(struct map_session_data *sd,int result)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0xfa));
	WFIFOW(fd,0)=0xfa;
	WFIFOB(fd,2)=result;
	WFIFOSET(fd,packet_len(0xfa));
}


/// Adds new member to a party.
/// 0104 <account id>.L <role>.L <x>.W <y>.W <state>.B <party name>.24B <char name>.24B <map name>.16B (ZC_ADD_MEMBER_TO_GROUP)
/// 01e9 <account id>.L <role>.L <x>.W <y>.W <state>.B <party name>.24B <char name>.24B <map name>.16B <item pickup rule>.B <item share rule>.B (ZC_ADD_MEMBER_TO_GROUP2)
/// 0a43 <account id>.L <role>.L <class>.W <base level>.W <x>.W <y>.W <state>.B <party name>.24B <char name>.24B <map name>.16B <item pickup rule>.B <item share rule>.B (ZC_ADD_MEMBER_TO_GROUP3)
/// role:
///     0 = leader
///     1 = normal
/// state:
///     0 = connected
///     1 = disconnected
void clif_party_member_info(struct party_data *p, struct map_session_data *sd)
{
	int i;
#if PACKETVER < 20170502
	unsigned char buf[81];
	int cmd = 0x1e9;
	int offset = 0;
#else
	unsigned char buf[85];
	int cmd = 0xa43;
	int offset = 4;
#endif

	if (!sd) { //Pick any party member (this call is used when changing item share rules)
		ARR_FIND( 0, MAX_PARTY, i, p->data[i].sd != 0 );
	} else {
		ARR_FIND( 0, MAX_PARTY, i, p->data[i].sd == sd );
	}
	if (i >= MAX_PARTY) return; //Should never happen...
	sd = p->data[i].sd;

	WBUFW(buf, 0) = cmd;
	WBUFL(buf, 2) = sd->status.account_id;
	WBUFL(buf, 6) = (p->party.member[i].leader)?0:1;
#if PACKETVER >= 20170502
	WBUFW(buf,10) = sd->status.class_;
	WBUFW(buf,12) = sd->status.base_level;
#endif
	WBUFW(buf,offset+10) = sd->bl.x;
	WBUFW(buf,offset+12) = sd->bl.y;
	WBUFB(buf,offset+14) = (p->party.member[i].online)?0:1;
	safestrncpy(WBUFCP(buf,offset+15), p->party.name, NAME_LENGTH);
	safestrncpy(WBUFCP(buf,offset+39), sd->status.name, NAME_LENGTH);
	mapindex_getmapname_ext(map_mapid2mapname(sd->bl.m), WBUFCP(buf,offset+63));
	WBUFB(buf,offset+79) = (p->party.item&1)?1:0;
	WBUFB(buf,offset+80) = (p->party.item&2)?1:0;
	clif_send(buf,packet_len(cmd),&sd->bl,PARTY);
}


/// Sends party information (ZC_GROUP_LIST).
/// 00fb <packet len>.W <party name>.24B { <account id>.L <nick>.24B <map name>.16B <role>.B <state>.B }*
/// role:
///     0 = leader
///     1 = normal
/// state:
///     0 = connected
///     1 = disconnected
/// 0a44 <packet len>.W <party name>.24B { <account id>.L <nick>.24B <map name>.16B <role>.B <state>.B <class>.W <base level>.W }* <item pickup rule>.B <item share rule>.B <unknown>.L
void clif_party_info(struct party_data* p, struct map_session_data *sd)
{
	struct map_session_data* party_sd = NULL;
	int i, c;
#if PACKETVER < 20170502
	const int M_SIZE = 46; // 4+NAME_LENGTH+MAP_NAME_LENGTH_EXT+1+1
	unsigned char buf[2+2+NAME_LENGTH+46*MAX_PARTY];
	int cmd = 0xfb;
#else
	const int M_SIZE = 50; // 4+NAME_LENGTH+MAP_NAME_LENGTH_EXT+1+1+4
	unsigned char buf[2+2+NAME_LENGTH+50*MAX_PARTY+6];
	int cmd = 0xa44;
#endif
	const int PRE_SIZE = 28; // cmd, actual cmd_size, party_name

	nullpo_retv(p);

	WBUFW(buf,0) = cmd;
	safestrncpy(WBUFCP(buf,4), p->party.name, NAME_LENGTH);
	for(i = 0, c = 0; i < MAX_PARTY; i++)
	{
		struct party_member* m = &p->party.member[i];
		if(!m->account_id) continue;

		if(party_sd == NULL) party_sd = p->data[i].sd;

		WBUFL(buf,PRE_SIZE+c*M_SIZE) = m->account_id;
		safestrncpy(WBUFCP(buf,PRE_SIZE+c*M_SIZE+4), m->name, NAME_LENGTH);
		mapindex_getmapname_ext(mapindex_id2name(m->map), WBUFCP(buf,PRE_SIZE+c*M_SIZE+PRE_SIZE));
		WBUFB(buf,PRE_SIZE+c*M_SIZE+44) = (m->leader) ? 0 : 1;
		WBUFB(buf,PRE_SIZE+c*M_SIZE+45) = (m->online) ? 0 : 1;
#if PACKETVER >= 20170502
		WBUFW(buf,PRE_SIZE+c*M_SIZE+46) = m->class_;
		WBUFW(buf,PRE_SIZE+c*M_SIZE+48) = m->lv;
#endif
		c++;
	}
#if PACKETVER < 20170502
	WBUFW(buf,2) = PRE_SIZE+c*M_SIZE;
#else
	WBUFB(buf,PRE_SIZE+c*M_SIZE) = (p->party.item & 1) ? 1 : 0;
	WBUFB(buf,PRE_SIZE+c*M_SIZE+1) = (p->party.item & 2) ? 1 : 0;
	WBUFL(buf,PRE_SIZE+c*M_SIZE+2) = 0; // unknown
	WBUFW(buf,2) = PRE_SIZE+c*M_SIZE+6;
#endif

	if(sd) { // send only to self
		clif_send(buf, WBUFW(buf,2), &sd->bl, SELF);
	} else if (party_sd) { // send to whole party
		clif_send(buf, WBUFW(buf,2), &party_sd->bl, PARTY);
	}
}


/// The player's 'party invite' state, sent during login (ZC_PARTY_CONFIG).
/// 02c9 <flag>.B
/// flag:
///     0 = allow party invites
///     1 = auto-deny party invites
void clif_partyinvitationstate(struct map_session_data* sd)
{
	int fd;
	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x2c9));
	WFIFOW(fd, 0) = 0x2c9;
	WFIFOB(fd, 2) = 0; // not implemented
	WFIFOSET(fd, packet_len(0x2c9));
}


/// Party invitation request.
/// 00fe <party id>.L <party name>.24B (ZC_REQ_JOIN_GROUP)
/// 02c6 <party id>.L <party name>.24B (ZC_PARTY_JOIN_REQ)
void clif_party_invite(struct map_session_data *sd,struct map_session_data *tsd)
{
#if PACKETVER < 20070821
	const int cmd = 0xfe;
#else
	const int cmd = 0x2c6;
#endif
	int fd;
	struct party_data *p;

	nullpo_retv(sd);
	nullpo_retv(tsd);

	fd=tsd->fd;

	if( (p=party_search(sd->status.party_id))==NULL )
		return;

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd,0)=cmd;
	WFIFOL(fd,2)=sd->status.party_id;
	safestrncpy(WFIFOCP(fd,6),p->party.name,NAME_LENGTH);
	WFIFOSET(fd,packet_len(cmd));
}


/// Party invite result.
/// 00fd <nick>.24S <result>.B (ZC_ACK_REQ_JOIN_GROUP)
/// 02c5 <nick>.24S <result>.L (ZC_PARTY_JOIN_REQ_ACK)
void clif_party_invite_reply(struct map_session_data* sd, const char* nick, enum e_party_invite_reply reply)
{
	int fd;
	nullpo_retv(sd);
	fd=sd->fd;

#if PACKETVER < 20070904
	if( reply == PARTY_REPLY_OFFLINE ) {
		clif_displaymessage(fd, msg_txt(sd,3));
		return;
	}
#endif

#if PACKETVER < 20070821
	WFIFOHEAD(fd,packet_len(0xfd));
	WFIFOW(fd,0) = 0xfd;
	safestrncpy(WFIFOCP(fd,2),nick,NAME_LENGTH);
	WFIFOB(fd,26) = reply;
	WFIFOSET(fd,packet_len(0xfd));
#else
	WFIFOHEAD(fd,packet_len(0x2c5));
	WFIFOW(fd,0) = 0x2c5;
	safestrncpy(WFIFOCP(fd,2),nick,NAME_LENGTH);
	WFIFOL(fd,26) = reply;
	WFIFOSET(fd,packet_len(0x2c5));
#endif
}


/// Updates party settings.
/// 0101 <exp option>.L (ZC_GROUPINFO_CHANGE)
/// 07d8 <exp option>.L <item pick rule>.B <item share rule>.B (ZC_REQ_GROUPINFO_CHANGE_V2)
/// exp option:
///     0 = exp sharing disabled
///     1 = exp sharing enabled
///     2 = cannot change exp sharing
///
/// flag:
///     0 = send to party
///     1 = send to sd
void clif_party_option(struct party_data *p,struct map_session_data *sd,int flag)
{
	unsigned char buf[16];
#if PACKETVER < 20090603
	const int cmd = 0x101;
#else
	const int cmd = 0x7d8;
#endif

	nullpo_retv(p);

	if(!sd && flag==0){
		int i;
		ARR_FIND(0,MAX_PARTY,i,p->data[i].sd);
		if (i < MAX_PARTY)
			sd = p->data[i].sd;
	}
	if(!sd) return;
	WBUFW(buf,0)=cmd;
	WBUFL(buf,2)=((flag&0x01)?2:p->party.exp);
#if PACKETVER >= 20090603
	WBUFB(buf,6)=(p->party.item&1)?1:0;
	WBUFB(buf,7)=(p->party.item&2)?1:0;
#endif
	if(flag==0)
		clif_send(buf,packet_len(cmd),&sd->bl,PARTY);
	else
		clif_send(buf,packet_len(cmd),&sd->bl,SELF);
}

/**
 * 0105 <account id>.L <char name>.24B <result>.B (ZC_DELETE_MEMBER_FROM_GROUP).
 * @param sd Send the notification for this player
 * @param account_id Account ID of kicked member
 * @param name Name of kicked member
 * @param result Party leave result @see PARTY_MEMBER_WITHDRAW
 * @param target Send target
 **/
void clif_party_withdraw(struct map_session_data *sd, uint32 account_id, const char* name, enum e_party_member_withdraw result, enum send_target target) {
	unsigned char buf[2+4+NAME_LENGTH+1];

	if (!sd)
		return;

	WBUFW(buf,0) = 0x0105;
	WBUFL(buf,2) = account_id;
	memcpy(WBUFP(buf,6), name, NAME_LENGTH);
	WBUFB(buf,6+NAME_LENGTH) = result;

	clif_send(buf, 2+4+NAME_LENGTH+1, &sd->bl, target);
}


/// Party chat message (ZC_NOTIFY_CHAT_PARTY).
/// 0109 <packet len>.W <account id>.L <message>.?B
void clif_party_message(struct party_data* p, uint32 account_id, const char* mes, int len)
{
	struct map_session_data *sd;
	int i;

	nullpo_retv(p);

	ARR_FIND(0,MAX_PARTY,i,p->data[i].sd);
	if(i < MAX_PARTY){
		unsigned char buf[1024];

		if( len > sizeof(buf)-8 )
		{
			ShowWarning("clif_party_message: Truncated message '%s' (len=%d, max=%" PRIuPTR ", party_id=%d).\n", mes, len, sizeof(buf)-8, p->party.party_id);
			len = sizeof(buf)-8;
		}

		sd = p->data[i].sd;
		WBUFW(buf,0)=0x109;
		WBUFW(buf,2)=len+8;
		WBUFL(buf,4)=account_id;
		safestrncpy(WBUFCP(buf,8), mes, len);
		clif_send(buf,len+8,&sd->bl,PARTY);
	}
}


/// Updates the position of a party member on the minimap (ZC_NOTIFY_POSITION_TO_GROUPM).
/// 0107 <account id>.L <x>.W <y>.W
void clif_party_xy(struct map_session_data *sd)
{
	unsigned char buf[16];

	nullpo_retv(sd);

	WBUFW(buf,0)=0x107;
	WBUFL(buf,2)=sd->status.account_id;
	WBUFW(buf,6)=sd->bl.x;
	WBUFW(buf,8)=sd->bl.y;
	clif_send(buf,packet_len(0x107),&sd->bl,PARTY_SAMEMAP_WOS);
}


/*==========================================
 * Sends x/y dot to a single fd. [Skotlex]
 *------------------------------------------*/
void clif_party_xy_single(int fd, struct map_session_data *sd)
{
	WFIFOHEAD(fd,packet_len(0x107));
	WFIFOW(fd,0)=0x107;
	WFIFOL(fd,2)=sd->status.account_id;
	WFIFOW(fd,6)=sd->bl.x;
	WFIFOW(fd,8)=sd->bl.y;
	WFIFOSET(fd,packet_len(0x107));
}


/// Updates HP bar of a party member.
/// 0106 <account id>.L <hp>.W <max hp>.W (ZC_NOTIFY_HP_TO_GROUPM)
/// 080e <account id>.L <hp>.L <max hp>.L (ZC_NOTIFY_HP_TO_GROUPM_R2)
void clif_party_hp(struct map_session_data *sd)
{
	unsigned char buf[16];
#if PACKETVER < 20100126
	const int cmd = 0x106;
#else
	const int cmd = 0x80e;
#endif

	nullpo_retv(sd);

	WBUFW(buf,0)=cmd;
	WBUFL(buf,2)=sd->status.account_id;
#if PACKETVER < 20100126
	if (sd->battle_status.max_hp > INT16_MAX) { //To correctly display the %hp bar. [Skotlex]
		WBUFW(buf,6) = sd->battle_status.hp/(sd->battle_status.max_hp/100);
		WBUFW(buf,8) = 100;
	} else {
		WBUFW(buf,6) = sd->battle_status.hp;
		WBUFW(buf,8) = sd->battle_status.max_hp;
	}
#else
	WBUFL(buf,6) = sd->battle_status.hp;
	WBUFL(buf,10) = sd->battle_status.max_hp;
#endif
	clif_send(buf,packet_len(cmd),&sd->bl,PARTY_AREA_WOS);
}

/// Notifies the party members of a character's death or revival.
/// 0AB2 <GID>.L <dead>.B
void clif_party_dead( struct map_session_data *sd ){
#if PACKETVER >= 20170502
	unsigned char buf[7];

	nullpo_retv(sd);

	WBUFW(buf, 0) = 0xab2;
	WBUFL(buf, 2) = sd->status.account_id;
	WBUFB(buf, 6) = pc_isdead(sd);

	clif_send(buf, packet_len(0xab2), &sd->bl, PARTY);
#endif
}

/// Updates the job and level of a party member
/// 0abd <account id>.L <job>.W <level>.W
void clif_party_job_and_level(struct map_session_data *sd){
#if PACKETVER >= 20170502
	unsigned char buf[10];

	nullpo_retv(sd);

	WBUFW(buf, 0) = 0xabd;
	WBUFL(buf, 2) = sd->status.account_id;
	WBUFW(buf, 6) = sd->status.class_;
	WBUFW(buf, 8) = sd->status.base_level;

	clif_send(buf, packet_len(0xabd), &sd->bl, PARTY);
#endif
}

/*==========================================
 * Sends HP bar to a single fd. [Skotlex]
 *------------------------------------------*/
void clif_hpmeter_single(int fd, int id, unsigned int hp, unsigned int maxhp)
{
#if PACKETVER < 20100126
	const int cmd = 0x106;
#else
	const int cmd = 0x80e;
#endif
	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd,0) = cmd;
	WFIFOL(fd,2) = id;
#if PACKETVER < 20100126
	if( maxhp > INT16_MAX )
	{// To correctly display the %hp bar. [Skotlex]
		WFIFOW(fd,6) = hp/(maxhp/100);
		WFIFOW(fd,8) = 100;
	} else {
		WFIFOW(fd,6) = hp;
		WFIFOW(fd,8) = maxhp;
	}
#else
	WFIFOL(fd,6) = hp;
	WFIFOL(fd,10) = maxhp;
#endif
	WFIFOSET(fd, packet_len(cmd));
}

/// Notifies the client, that it's attack target is too far (ZC_ATTACK_FAILURE_FOR_DISTANCE).
/// 0139 <target id>.L <target x>.W <target y>.W <x>.W <y>.W <atk range>.W
void clif_movetoattack(struct map_session_data *sd,struct block_list *bl)
{
	int fd;

	nullpo_retv(sd);
	nullpo_retv(bl);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x139));
	WFIFOW(fd, 0)=0x139;
	WFIFOL(fd, 2)=bl->id;
	WFIFOW(fd, 6)=bl->x;
	WFIFOW(fd, 8)=bl->y;
	WFIFOW(fd,10)=sd->bl.x;
	WFIFOW(fd,12)=sd->bl.y;
	WFIFOW(fd,14)=sd->battle_status.rhw.range;
	WFIFOSET(fd,packet_len(0x139));
}


/// Notifies the client about the result of an item produce request (ZC_ACK_REQMAKINGITEM).
/// 018f <result>.W <name id>.W
/// result:
///     0 = success
///     1 = failure
///     2 = success (alchemist)
///     3 = failure (alchemist)
void clif_produceeffect(struct map_session_data* sd,int flag, unsigned short nameid)
{
	int view,fd;

	nullpo_retv(sd);

	fd = sd->fd;
	clif_solved_charname(fd, sd->status.char_id, sd->status.name);
	WFIFOHEAD(fd,packet_len(0x18f));
	WFIFOW(fd, 0)=0x18f;
	WFIFOW(fd, 2)=flag;
	if((view = itemdb_viewid(nameid)) > 0)
		WFIFOW(fd, 4)=view;
	else
		WFIFOW(fd, 4)=nameid;
	WFIFOSET(fd,packet_len(0x18f));
}


/// Initiates the pet taming process (ZC_START_CAPTURE).
/// 019e
void clif_catch_process(struct map_session_data *sd)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x19e));
	WFIFOW(fd,0)=0x19e;
	WFIFOSET(fd,packet_len(0x19e));
}


/// Displays the result of a pet taming attempt (ZC_TRYCAPTURE_MONSTER).
/// 01a0 <result>.B
///     0 = failure
///     1 = success
void clif_pet_roulette(struct map_session_data *sd,int data)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x1a0));
	WFIFOW(fd,0)=0x1a0;
	WFIFOB(fd,2)=data;
	WFIFOSET(fd,packet_len(0x1a0));
}


/// Presents a list of pet eggs that can be hatched (ZC_PETEGG_LIST).
/// 01a6 <packet len>.W { <index>.W }*
void clif_sendegg(struct map_session_data *sd)
{
	int i,n=0,fd;

	nullpo_retv(sd);

	fd=sd->fd;
	if (battle_config.pet_no_gvg && map_flag_gvg2(sd->bl.m)) { //Disable pet hatching in GvG grounds during Guild Wars [Skotlex]
		clif_displaymessage(fd, msg_txt(sd,666));
		return;
	}
	WFIFOHEAD(fd, MAX_INVENTORY * 2 + 4);
	WFIFOW(fd,0)=0x1a6;
	for(i=0,n=0;i<MAX_INVENTORY;i++){
		if(sd->inventory.u.items_inventory[i].nameid <= 0 || sd->inventory_data[i] == NULL ||
		   sd->inventory_data[i]->type != IT_PETEGG ||
		   sd->inventory.u.items_inventory[i].amount <= 0)
			continue;
		WFIFOW(fd,n*2+4)=i+2;
		n++;
	}
	WFIFOW(fd,2)=4+n*2;
	WFIFOSET(fd,WFIFOW(fd,2));

	sd->menuskill_id = SA_TAMINGMONSTER;
	sd->menuskill_val = -1;
}


/// Sends a specific pet data update (ZC_CHANGESTATE_PET).
/// 01a4 <type>.B <id>.L <data>.L
/// type:
///     0 = pre-init (data = 0)
///     1 = intimacy (data = 0~4)
///     2 = hunger (data = 0~4)
///     3 = accessory
///     4 = performance (data = 1~3: normal, 4: special)
///     5 = hairstyle
///     6 = close egg selection ui and update egg in inventory (PACKETVER >= 20180704)
///
/// If sd is null, the update is sent to nearby objects, otherwise it is sent only to that player.
void clif_send_petdata(struct map_session_data* sd, struct pet_data* pd, int type, int param)
{
	uint8 buf[16];
	nullpo_retv(pd);

	WBUFW(buf,0) = 0x1a4;
	WBUFB(buf,2) = type;
	WBUFL(buf,3) = pd->bl.id;
	WBUFL(buf,7) = param;
	if (sd)
		clif_send(buf, packet_len(0x1a4), &sd->bl, SELF);
	else
		clif_send(buf, packet_len(0x1a4), &pd->bl, AREA);
}


/// Pet's base data (ZC_PROPERTY_PET).
/// 01a2 <name>.24B <renamed>.B <level>.W <hunger>.W <intimacy>.W <accessory id>.W <class>.W
void clif_send_petstatus(struct map_session_data *sd)
{
	int fd;
	struct s_pet *pet;

	nullpo_retv(sd);
	nullpo_retv(sd->pd);

	fd=sd->fd;
	pet = &sd->pd->pet;
	WFIFOHEAD(fd,packet_len(0x1a2));
	WFIFOW(fd,0)=0x1a2;
	safestrncpy(WFIFOCP(fd,2),pet->name,NAME_LENGTH);
	WFIFOB(fd,26)=battle_config.pet_rename?0:pet->rename_flag;
	WFIFOW(fd,27)=pet->level;
	WFIFOW(fd,29)=pet->hungry;
	WFIFOW(fd,31)=pet->intimate;
	WFIFOW(fd,33)=pet->equip;
#if PACKETVER >= 20081126
	WFIFOW(fd,35)=pet->class_;
#endif
	WFIFOSET(fd,packet_len(0x1a2));
}


/// Notification about a pet's emotion/talk (ZC_PET_ACT).
/// 01aa <id>.L <data>.L
/// data:
///     @see CZ_PET_ACT.
void clif_pet_emotion(struct pet_data *pd,int param)
{
	unsigned char buf[16];

	nullpo_retv(pd);

	memset(buf,0,packet_len(0x1aa));

	WBUFW(buf,0)=0x1aa;
	WBUFL(buf,2)=pd->bl.id;
	WBUFL(buf,6)=param;

	clif_send(buf,packet_len(0x1aa),&pd->bl,AREA);
}


/// Result of request to feed a pet (ZC_FEED_PET).
/// 01a3 <result>.B <name id>.W
/// result:
///     0 = failure
///     1 = success
void clif_pet_food(struct map_session_data *sd,int foodid,int fail)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x1a3));
	WFIFOW(fd,0)=0x1a3;
	WFIFOB(fd,2)=fail;
	WFIFOW(fd,3)=foodid;
	WFIFOSET(fd,packet_len(0x1a3));
}


/// Presents a list of skills that can be auto-spelled (ZC_AUTOSPELLLIST).
/// 01cd { <skill id>.L }*7
void clif_autospell(struct map_session_data *sd,uint16 skill_lv)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x1cd));
	WFIFOW(fd, 0)=0x1cd;

	if(skill_lv>0 && pc_checkskill(sd,MG_NAPALMBEAT)>0)
		WFIFOL(fd,2)= MG_NAPALMBEAT;
	else
		WFIFOL(fd,2)= 0x00000000;
	if(skill_lv>1 && pc_checkskill(sd,MG_COLDBOLT)>0)
		WFIFOL(fd,6)= MG_COLDBOLT;
	else
		WFIFOL(fd,6)= 0x00000000;
	if(skill_lv>1 && pc_checkskill(sd,MG_FIREBOLT)>0)
		WFIFOL(fd,10)= MG_FIREBOLT;
	else
		WFIFOL(fd,10)= 0x00000000;
	if(skill_lv>1 && pc_checkskill(sd,MG_LIGHTNINGBOLT)>0)
		WFIFOL(fd,14)= MG_LIGHTNINGBOLT;
	else
		WFIFOL(fd,14)= 0x00000000;
	if(skill_lv>4 && pc_checkskill(sd,MG_SOULSTRIKE)>0)
		WFIFOL(fd,18)= MG_SOULSTRIKE;
	else
		WFIFOL(fd,18)= 0x00000000;
	if(skill_lv>7 && pc_checkskill(sd,MG_FIREBALL)>0)
		WFIFOL(fd,22)= MG_FIREBALL;
	else
		WFIFOL(fd,22)= 0x00000000;
	if(skill_lv>9 && pc_checkskill(sd,MG_FROSTDIVER)>0)
		WFIFOL(fd,26)= MG_FROSTDIVER;
	else
		WFIFOL(fd,26)= 0x00000000;

	WFIFOSET(fd,packet_len(0x1cd));
	sd->menuskill_id = SA_AUTOSPELL;
	sd->menuskill_val = skill_lv;
}


/// Devotion's visual effect (ZC_DEVOTIONLIST).
/// 01cf <devoter id>.L { <devotee id>.L }*5 <max distance>.W
void clif_devotion(struct block_list *src, struct map_session_data *tsd)
{
	unsigned char buf[56];

	nullpo_retv(src);
	memset(buf,0,packet_len(0x1cf));

	WBUFW(buf,0) = 0x1cf;
	WBUFL(buf,2) = src->id;
	if( src->type == BL_MER )
	{
		struct mercenary_data *md = BL_CAST(BL_MER,src);
		if( md && md->master && md->devotion_flag )
			WBUFL(buf,6) = md->master->bl.id;

		WBUFW(buf,26) = skill_get_range2(src, ML_DEVOTION, mercenary_checkskill(md, ML_DEVOTION), false);
	}
	else
	{
		int i;
		struct map_session_data *sd = BL_CAST(BL_PC,src);
		if( sd == NULL )
			return;

		for( i = 0; i < 5 /*MAX_DEVOTION*/; i++ ) // Client only able show to 5 links
			WBUFL(buf,6+4*i) = sd->devotion[i];
		WBUFW(buf,26) = skill_get_range2(src, CR_DEVOTION, pc_checkskill(sd, CR_DEVOTION), false);
	}

	if( tsd )
		clif_send(buf, packet_len(0x1cf), &tsd->bl, SELF);
	else
		clif_send(buf, packet_len(0x1cf), src, AREA);
}

/*==========================================
 * Server tells clients nearby 'sd' (and himself) to display 'sd->spiritball' number of spiritballs on 'sd'
 * Notifies clients in an area of an object's spirits.
 * 01d0 <id>.L <amount>.W (ZC_SPIRITS)
 * 01e1 <id>.L <amount>.W (ZC_SPIRITS2)
 *------------------------------------------*/
void clif_spiritball(struct block_list *bl) {
    unsigned char buf[16];
    TBL_PC *sd = BL_CAST(BL_PC,bl);
    TBL_HOM *hd = BL_CAST(BL_HOM,bl);

    nullpo_retv(bl);

    WBUFW(buf, 0) = 0x1d0;
    WBUFL(buf, 2) = bl->id;
	WBUFW(buf, 6) = 0; //init to 0
    switch(bl->type){
        case BL_PC: WBUFW(buf, 6) = sd->spiritball; break;
        case BL_HOM: WBUFW(buf, 6) = hd->homunculus.spiritball; break;
    }
    clif_send(buf, packet_len(0x1d0), bl, AREA);
}


/// Notifies clients in area of a character's combo delay (ZC_COMBODELAY).
/// 01d2 <account id>.L <delay>.L
void clif_combo_delay(struct block_list *bl,t_tick wait)
{
	unsigned char buf[32];

	nullpo_retv(bl);

	WBUFW(buf,0)=0x1d2;
	WBUFL(buf,2)=bl->id;
	WBUFL(buf,6)=client_tick(wait);
	clif_send(buf,packet_len(0x1d2),bl,AREA);
}


/// Notifies clients in area that a character has blade-stopped another (ZC_BLADESTOP).
/// 01d1 <src id>.L <dst id>.L <flag>.L
/// flag:
///     0 = inactive
///     1 = active
void clif_bladestop(struct block_list *src, int dst_id, int active)
{
	unsigned char buf[32];

	nullpo_retv(src);

	WBUFW(buf,0)=0x1d1;
	WBUFL(buf,2)=src->id;
	WBUFL(buf,6)=dst_id;
	WBUFL(buf,10)=active;

	clif_send(buf,packet_len(0x1d1),src,AREA);
}


/// MVP effect (ZC_MVP).
/// 010c <account id>.L
void clif_mvp_effect(struct map_session_data *sd)
{
	unsigned char buf[16];

	nullpo_retv(sd);

	WBUFW(buf,0)=0x10c;
	WBUFL(buf,2)=sd->bl.id;
	clif_send(buf,packet_len(0x10c),&sd->bl,AREA);
}


/// MVP item reward message (ZC_MVP_GETTING_ITEM).
/// 010a <name id>.W
void clif_mvp_item(struct map_session_data *sd, unsigned short nameid)
{
	int view,fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x10a));
	WFIFOW(fd,0)=0x10a;
	if((view = itemdb_viewid(nameid)) > 0)
		WFIFOW(fd,2)=view;
	else
		WFIFOW(fd,2)=nameid;
	WFIFOSET(fd,packet_len(0x10a));
}


/// MVP EXP reward message (ZC_MVP_GETTING_SPECIAL_EXP).
/// 010b <exp>.L
void clif_mvp_exp(struct map_session_data *sd, unsigned int exp) {
#if PACKETVER >= 20131223		// Kro remove this packet [Napster]
	if (battle_config.mvp_exp_reward_message) {
		char e_msg[CHAT_SIZE_MAX];
		sprintf(e_msg, msg_txt(sd, 717), exp);
		clif_messagecolor(&sd->bl, color_table[COLOR_CYAN], e_msg, false, SELF);		// Congratulations! You are the MVP! Your reward EXP Points are %u !!
	}
#else
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd, packet_len(0x10b));
	WFIFOW(fd,0) = 0x10b;
	WFIFOL(fd,2) = min(exp, (unsigned int)INT32_MAX);
	WFIFOSET(fd, packet_len(0x10b));
#endif
}


/// Dropped MVP item reward message (ZC_THROW_MVPITEM).
/// 010d
///
/// "You are the MVP, but cannot obtain the reward because
///     you are overweight."
void clif_mvp_noitem(struct map_session_data* sd)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x10d));
	WFIFOW(fd,0) = 0x10d;
	WFIFOSET(fd,packet_len(0x10d));
}


/// Guild creation result (ZC_RESULT_MAKE_GUILD).
/// 0167 <result>.B
/// result:
///     0 = "Guild has been created."
///     1 = "You are already in a Guild."
///     2 = "That Guild Name already exists."
///     3 = "You need the neccessary item to create a Guild."
void clif_guild_created(struct map_session_data *sd,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x167));
	WFIFOW(fd,0)=0x167;
	WFIFOB(fd,2)=flag;
	WFIFOSET(fd,packet_len(0x167));
}


/// Notifies the client that it is belonging to a guild (ZC_UPDATE_GDID).
/// 016c <guild id>.L <emblem id>.L <mode>.L <ismaster>.B <inter sid>.L <guild name>.24B
/// mode:
///     &0x01 = allow invite
///     &0x10 = allow expel
void clif_guild_belonginfo(struct map_session_data *sd)
{
	int ps,fd;
	struct guild* g;

	nullpo_retv(sd);
	nullpo_retv(g = sd->guild);

	fd=sd->fd;
	ps=guild_getposition(sd);
	WFIFOHEAD(fd,packet_len(0x16c));
	WFIFOW(fd,0)=0x16c;
	WFIFOL(fd,2)=g->guild_id;
	WFIFOL(fd,6)=g->emblem_id;
	WFIFOL(fd,10)=g->position[ps].mode;
	WFIFOB(fd,14)=(bool)(sd->state.gmaster_flag==1);
	WFIFOL(fd,15)=0;  // InterSID (unknown purpose)
	safestrncpy(WFIFOCP(fd,19),g->name,NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x16c));
}


/// Guild member login notice.
/// 016d <account id>.L <char id>.L <status>.L (ZC_UPDATE_CHARSTAT)
/// 01f2 <account id>.L <char id>.L <status>.L <gender>.W <hair style>.W <hair color>.W (ZC_UPDATE_CHARSTAT2)
/// status:
///     0 = offline
///     1 = online
void clif_guild_memberlogin_notice(struct guild *g,int idx,int flag)
{
	unsigned char buf[64];
	struct map_session_data* sd;

	nullpo_retv(g);

	WBUFW(buf, 0)=0x1f2;
	WBUFL(buf, 2)=g->member[idx].account_id;
	WBUFL(buf, 6)=g->member[idx].char_id;
	WBUFL(buf,10)=flag;

	if( ( sd = g->member[idx].sd ) != NULL )
	{
		WBUFW(buf,14) = sd->status.sex;
		WBUFW(buf,16) = sd->status.hair;
		WBUFW(buf,18) = sd->status.hair_color;
		clif_send(buf,packet_len(0x1f2),&sd->bl,GUILD_WOS);
	}
	else if( ( sd = guild_getavailablesd(g) ) != NULL )
	{
		WBUFW(buf,14) = 0;
		WBUFW(buf,16) = 0;
		WBUFW(buf,18) = 0;
		clif_send(buf,packet_len(0x1f2),&sd->bl,GUILD);
	}
}

// Function `clif_guild_memberlogin_notice` sends info about
// logins and logouts of a guild member to the rest members.
// But at the 1st time (after a player login or map changing)
// the client won't show the message.
// So I suggest use this function for sending "first-time-info"
// to some player on entering the game or changing location.
// At next time the client would always show the message.
// The function sends all the statuses in the single packet
// to economize traffic. [LuzZza]
void clif_guild_send_onlineinfo(struct map_session_data *sd)
{
	struct guild *g;
	unsigned char buf[14*128];
	int i, count=0, p_len;

	nullpo_retv(sd);

	p_len = packet_len(0x16d);

	if(!(g = sd->guild))
		return;

	for(i=0; i<g->max_member; i++) {

		if(g->member[i].account_id > 0 &&
			g->member[i].account_id != sd->status.account_id) {

			WBUFW(buf,count*p_len) = 0x16d;
			WBUFL(buf,count*p_len+2) = g->member[i].account_id;
			WBUFL(buf,count*p_len+6) = g->member[i].char_id;
			WBUFL(buf,count*p_len+10) = g->member[i].online;
			count++;
		}
	}

	clif_send(buf, p_len*count, &sd->bl, SELF);
}


/// Bitmask of enabled guild window tabs (ZC_ACK_GUILD_MENUINTERFACE).
/// 014e <menu flag>.L
/// menu flag:
///      0x00 = Basic Info (always on)
///     &0x01 = Member manager
///     &0x02 = Positions
///     &0x04 = Skills
///     &0x10 = Expulsion list
///     &0x40 = Unknown (GMENUFLAG_ALLGUILDLIST)
///     &0x80 = Notice
void clif_guild_masterormember(struct map_session_data *sd)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x14e));
	WFIFOW(fd,0) = 0x14e;
	WFIFOL(fd,2) = (sd->state.gmaster_flag) ? 0xd7 : 0x57;
	WFIFOSET(fd,packet_len(0x14e));
}


/// Guild basic information (Territories [Valaris])
/// 0150 <guild id>.L <level>.L <member num>.L <member max>.L <exp>.L <max exp>.L <points>.L <honor>.L <virtue>.L <emblem id>.L <name>.24B <master name>.24B <manage land>.16B (ZC_GUILD_INFO)
/// 01b6 <guild id>.L <level>.L <member num>.L <member max>.L <exp>.L <max exp>.L <points>.L <honor>.L <virtue>.L <emblem id>.L <name>.24B <master name>.24B <manage land>.16B <zeny>.L (ZC_GUILD_INFO2)
/// 0a84 <guild id>.L <level>.L <member num>.L <member max>.L <exp>.L <max exp>.L <points>.L <honor>.L <virtue>.L <emblem id>.L <name>.24B <manage land>.16B <zeny>.L <master char id>.L (ZC_GUILD_INFO3)
void clif_guild_basicinfo(struct map_session_data *sd) {
	int fd;
	struct guild *g;
#if PACKETVER < 20160622
	int cmd = 0x1b6;
	int offset = NAME_LENGTH;
#else
	int cmd = 0xa84;
	int offset = 0;
#endif

	nullpo_retv(sd);
	fd = sd->fd;

	if( (g = sd->guild) == NULL )
		return;

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd, 0)=cmd;
	WFIFOL(fd, 2)=g->guild_id;
	WFIFOL(fd, 6)=g->guild_lv;
	WFIFOL(fd,10)=g->connect_member;
	WFIFOL(fd,14)=g->max_member;
	WFIFOL(fd,18)=g->average_lv;
	WFIFOL(fd,22)=(uint32)cap_value(g->exp,0,INT32_MAX);
	WFIFOL(fd,26)=g->next_exp;
	WFIFOL(fd,30)=0;	// Tax Points
	WFIFOL(fd,34)=0;	// Honor: (left) Vulgar [-100,100] Famed (right)
	WFIFOL(fd,38)=0;	// Virtue: (down) Wicked [-100,100] Righteous (up)
	WFIFOL(fd,42)=g->emblem_id;
	safestrncpy(WFIFOCP(fd,46),g->name, NAME_LENGTH);
#if PACKETVER < 20160622
	safestrncpy(WFIFOCP(fd,70),g->master, NAME_LENGTH);
#endif
	safestrncpy(WFIFOCP(fd,70+offset),msg_txt(sd,300+guild_checkcastles(g)),16); // "'N' castles"
	WFIFOL(fd,70+offset+16) = 0;  // zeny
#if PACKETVER >= 20160622
	WFIFOL(fd,70+offset+20) = g->member[0].char_id;  // leader
#endif

	WFIFOSET(fd,packet_len(cmd));
}


/// Guild alliance and opposition list (ZC_MYGUILD_BASIC_INFO).
/// 014c <packet len>.W { <relation>.L <guild id>.L <guild name>.24B }*
void clif_guild_allianceinfo(struct map_session_data *sd)
{
	int fd,i,c;
	struct guild *g;

	nullpo_retv(sd);
	if( (g = sd->guild) == NULL )
		return;

	fd = sd->fd;
	WFIFOHEAD(fd, MAX_GUILDALLIANCE * 32 + 4);
	WFIFOW(fd, 0)=0x14c;
	for(i=c=0;i<MAX_GUILDALLIANCE;i++){
		struct guild_alliance *a=&g->alliance[i];
		if(a->guild_id>0){
			WFIFOL(fd,c*32+4)=a->opposition;
			WFIFOL(fd,c*32+8)=a->guild_id;
			safestrncpy(WFIFOCP(fd,c*32+12),a->name,NAME_LENGTH);
			c++;
		}
	}
	WFIFOW(fd, 2)=c*32+4;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Guild member manager information
/// 0154 <packet len>.W { <account>.L <char id>.L <hair style>.W <hair color>.W <gender>.W <class>.W <level>.W <contrib exp>.L <state>.L <position>.L <memo>.50B <name>.24B }* (ZC_MEMBERMGR_INFO)
/// state:
///     0 = offline
///     1 = online
/// memo:
///     probably member's self-introduction (unused, no client UI/packets for editing it)
/// 0aa5 <packet len>.W { <account>.L <char id>.L <hair style>.W <hair color>.W <gender>.W <class>.W <level>.W <contrib exp>.L <state>.L <position>.L <lastlogin>.L }* (ZC_MEMBERMGR_INFO2)
void clif_guild_memberlist(struct map_session_data *sd)
{
	int fd;
	int i,c;
	struct guild *g;
#if PACKETVER < 20161026
	int cmd = 0x154;
	int size = 104;
#else
	int cmd = 0xaa5;
	int size = 34;
#endif

	nullpo_retv(sd);

	if( (fd = sd->fd) == 0 )
		return;
	if( (g = sd->guild) == NULL )
		return;

	WFIFOHEAD(fd, g->max_member * size + 4);
	WFIFOW(fd, 0)=cmd;
	for(i=0,c=0;i<g->max_member;i++){
		struct guild_member *m=&g->member[i];
		if(m->account_id==0)
			continue;
		WFIFOL(fd,c*size+ 4)=m->account_id;
		WFIFOL(fd,c*size+ 8)=m->char_id;
		WFIFOW(fd,c*size+12)=m->hair;
		WFIFOW(fd,c*size+14)=m->hair_color;
		WFIFOW(fd,c*size+16)=m->gender;
		WFIFOW(fd,c*size+18)=m->class_;
		WFIFOW(fd,c*size+20)=m->lv;
		WFIFOL(fd,c*size+22)=(int)cap_value(m->exp,0,INT32_MAX);
		WFIFOL(fd,c*size+26)=m->online;
		WFIFOL(fd,c*size+30)=m->position;
#if PACKETVER < 20161026
		memset(WFIFOP(fd,c*size+34),0,50);	//[Ind] - This is displayed in the 'note' column but being you can't edit it it's sent empty.
		safestrncpy(WFIFOCP(fd,c*size+84),m->name,NAME_LENGTH);
#else
		WFIFOL(fd,c*size+34)=m->last_login;
#endif
		c++;
	}
	WFIFOW(fd, 2)=c*size+4;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Guild position name information (ZC_POSITION_ID_NAME_INFO).
/// 0166 <packet len>.W { <position id>.L <position name>.24B }*
void clif_guild_positionnamelist(struct map_session_data *sd)
{
	int i,fd;
	struct guild *g;

	nullpo_retv(sd);
	if( (g = sd->guild) == NULL )
		return;

	fd = sd->fd;
	WFIFOHEAD(fd, MAX_GUILDPOSITION * 28 + 4);
	WFIFOW(fd, 0)=0x166;
	for(i=0;i<MAX_GUILDPOSITION;i++){
		WFIFOL(fd,i*28+4)=i;
		safestrncpy(WFIFOCP(fd,i*28+8),g->position[i].name,NAME_LENGTH);
	}
	WFIFOW(fd,2)=i*28+4;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Guild position information (ZC_POSITION_INFO).
/// 0160 <packet len>.W { <position id>.L <mode>.L <ranking>.L <pay rate>.L }*
/// mode:
///     &0x01 = allow invite
///     &0x10 = allow expel
/// ranking:
///     TODO
void clif_guild_positioninfolist(struct map_session_data *sd)
{
	int i,fd;
	struct guild *g;

	nullpo_retv(sd);
	if( (g = sd->guild) == NULL )
		return;

	fd = sd->fd;
	WFIFOHEAD(fd, MAX_GUILDPOSITION * 16 + 4);
	WFIFOW(fd, 0)=0x160;
	for(i=0;i<MAX_GUILDPOSITION;i++){
		struct guild_position *p=&g->position[i];
		WFIFOL(fd,i*16+ 4)=i;
		WFIFOL(fd,i*16+ 8)=p->mode;
		WFIFOL(fd,i*16+12)=i;
		WFIFOL(fd,i*16+16)=p->exp_mode;
	}
	WFIFOW(fd, 2)=i*16+4;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Notifies clients in a guild about updated position information (ZC_ACK_CHANGE_GUILD_POSITIONINFO).
/// 0174 <packet len>.W { <position id>.L <mode>.L <ranking>.L <pay rate>.L <position name>.24B }*
/// mode:
///     &0x01 = allow invite
///     &0x10 = allow expel
/// ranking:
///     TODO
void clif_guild_positionchanged(struct guild *g,int idx)
{
	// FIXME: This packet is intended to update the clients after a
	// commit of position info changes, not sending one packet per
	// position.
	struct map_session_data *sd;
	unsigned char buf[128];

	nullpo_retv(g);

	WBUFW(buf, 0)=0x174;
	WBUFW(buf, 2)=44;  // packet len
	// GUILD_REG_POSITION_INFO{
	WBUFL(buf, 4)=idx;
	WBUFL(buf, 8)=g->position[idx].mode;
	WBUFL(buf,12)=idx;
	WBUFL(buf,16)=g->position[idx].exp_mode;
	safestrncpy(WBUFCP(buf,20),g->position[idx].name,NAME_LENGTH);
	// }*
	if( (sd=guild_getavailablesd(g))!=NULL )
		clif_send(buf,WBUFW(buf,2),&sd->bl,GUILD);
}


/// Notifies clients in a guild about updated member position assignments (ZC_ACK_REQ_CHANGE_MEMBERS).
/// 0156 <packet len>.W { <account id>.L <char id>.L <position id>.L }*
void clif_guild_memberpositionchanged(struct guild *g,int idx)
{
	// FIXME: This packet is intended to update the clients after a
	// commit of member position assignment changes, not sending one
	// packet per position.
	struct map_session_data *sd;
	unsigned char buf[64];

	nullpo_retv(g);

	WBUFW(buf, 0)=0x156;
	WBUFW(buf, 2)=16;  // packet len
	// MEMBER_POSITION_INFO{
	WBUFL(buf, 4)=g->member[idx].account_id;
	WBUFL(buf, 8)=g->member[idx].char_id;
	WBUFL(buf,12)=g->member[idx].position;
	// }*
	if( (sd=guild_getavailablesd(g))!=NULL )
		clif_send(buf,WBUFW(buf,2),&sd->bl,GUILD);
}


/// Sends emblems bitmap data to the client that requested it (ZC_GUILD_EMBLEM_IMG).
/// 0152 <packet len>.W <guild id>.L <emblem id>.L <emblem data>.?B
void clif_guild_emblem(struct map_session_data *sd,struct guild *g)
{
	int fd;
	nullpo_retv(sd);
	nullpo_retv(g);

	fd = sd->fd;
	if( g->emblem_len <= 0 )
		return;

	WFIFOHEAD(fd,g->emblem_len+12);
	WFIFOW(fd,0)=0x152;
	WFIFOW(fd,2)=g->emblem_len+12;
	WFIFOL(fd,4)=g->guild_id;
	WFIFOL(fd,8)=g->emblem_id;
	memcpy(WFIFOP(fd,12),g->emblem_data,g->emblem_len);
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Sends update of the guild id/emblem id to everyone in the area (ZC_CHANGE_GUILD).
/// 01b4 <id>.L <guild id>.L <emblem id>.W
void clif_guild_emblem_area(struct block_list* bl)
{
	uint8 buf[12];

	nullpo_retv(bl);

	// TODO this packet doesn't force the update of ui components that have the emblem visible
	//      (emblem in the flag npcs and emblem over the head in agit maps) [FlavioJS]
	WBUFW(buf,0) = 0x1b4;
	WBUFL(buf,2) = bl->id;
	WBUFL(buf,6) = status_get_guild_id(bl);
	WBUFW(buf,10) = status_get_emblem_id(bl);
	clif_send(buf, 12, bl, AREA_WOS);
}


/// Sends guild skills (ZC_GUILD_SKILLINFO).
/// 0162 <packet len>.W <skill points>.W { <skill id>.W <type>.L <level>.W <sp cost>.W <atk range>.W <skill name>.24B <upgradable>.B }*
void clif_guild_skillinfo(struct map_session_data* sd)
{
	int fd;
	struct guild* g;
	int i,c;

	nullpo_retv(sd);
	if( (g = sd->guild) == NULL )
		return;

	fd = sd->fd;
	WFIFOHEAD(fd, 6 + MAX_GUILDSKILL*37);
	WFIFOW(fd,0) = 0x0162;
	WFIFOW(fd,4) = g->skill_point;
	for(i = 0, c = 0; i < MAX_GUILDSKILL; i++)
	{
		if(g->skill[i].id > 0 && guild_check_skill_require(g, g->skill[i].id))
		{
			int id = g->skill[i].id;
			int p = 6 + c*37;
			WFIFOW(fd,p+0) = id;
			WFIFOL(fd,p+2) = skill_get_inf(id);
			WFIFOW(fd,p+6) = g->skill[i].lv;
			WFIFOW(fd,p+8) = skill_get_sp(id, g->skill[i].lv);
			WFIFOW(fd,p+10) = skill_get_range(id, g->skill[i].lv);
			safestrncpy(WFIFOCP(fd,p+12), skill_get_name(id), NAME_LENGTH);
			WFIFOB(fd,p+36)= (g->skill[i].lv < guild_skill_get_max(id) && sd == g->member[0].sd) ? 1 : 0;
			c++;
		}
	}
	WFIFOW(fd,2) = 6 + c*37;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Sends guild notice to client (ZC_GUILD_NOTICE).
/// 016f <subject>.60B <notice>.120B
void clif_guild_notice(struct map_session_data* sd)
{
	int fd;
	struct guild* g;

	nullpo_retv(sd);
	nullpo_retv(g = sd->guild);

	fd = sd->fd;

	if ( !session_isActive(fd) )
		return;

	if(g->mes1[0] == '\0' && g->mes2[0] == '\0')
		return;

	WFIFOHEAD(fd,packet_len(0x16f));
	WFIFOW(fd,0) = 0x16f;
	memcpy(WFIFOP(fd,2), g->mes1, MAX_GUILDMES1);
	memcpy(WFIFOP(fd,62), g->mes2, MAX_GUILDMES2);
	WFIFOSET(fd,packet_len(0x16f));
}


/// Guild invite (ZC_REQ_JOIN_GUILD).
/// 016a <guild id>.L <guild name>.24B
void clif_guild_invite(struct map_session_data *sd,struct guild *g)
{
	int fd;

	nullpo_retv(sd);
	nullpo_retv(g);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x16a));
	WFIFOW(fd,0)=0x16a;
	WFIFOL(fd,2)=g->guild_id;
	safestrncpy(WFIFOCP(fd,6),g->name,NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x16a));
}


/// Reply to invite request (ZC_ACK_REQ_JOIN_GUILD).
/// 0169 <answer>.B
/// answer:
///     0 = Already in guild.
///     1 = Offer rejected.
///     2 = Offer accepted.
///     3 = Guild full.
void clif_guild_inviteack(struct map_session_data *sd,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x169));
	WFIFOW(fd,0)=0x169;
	WFIFOB(fd,2)=flag;
	WFIFOSET(fd,packet_len(0x169));
}


/// Notifies clients of a guild of a leaving member (ZC_ACK_LEAVE_GUILD).
/// 015a <char name>.24B <reason>.40B
void clif_guild_leave(struct map_session_data *sd,const char *name,const char *mes)
{
	unsigned char buf[128];

	nullpo_retv(sd);

	WBUFW(buf, 0)=0x15a;
	safestrncpy(WBUFCP(buf, 2),name,NAME_LENGTH);
	memcpy(WBUFP(buf,26),mes,40);
	clif_send(buf,packet_len(0x15a),&sd->bl,GUILD_NOBG);
}


/// Notifies clients of a guild of an expelled member.
/// 015c <char name>.24B <reason>.40B <account name>.24B (ZC_ACK_BAN_GUILD)
/// 0839 <char name>.24B <reason>.40B (ZC_ACK_BAN_GUILD_SSO)
void clif_guild_expulsion(struct map_session_data* sd, const char* name, const char* mes, uint32 account_id)
{
	unsigned char buf[128];
#if PACKETVER < 20100803
	const unsigned short cmd = 0x15c;
#else
	const unsigned short cmd = 0x839;
#endif

	nullpo_retv(sd);

	WBUFW(buf,0) = cmd;
	safestrncpy(WBUFCP(buf,2), name, NAME_LENGTH);
	safestrncpy(WBUFCP(buf,26), mes, 40);
#if PACKETVER < 20100803
	memset(WBUFP(buf,66), 0, NAME_LENGTH); // account name (not used for security reasons)
#endif
	clif_send(buf, packet_len(cmd), &sd->bl, GUILD_NOBG);
}


/// Guild expulsion list (ZC_BAN_LIST).
/// 0163 <packet len>.W { <char name>.24B <account name>.24B <reason>.40B }*
/// 0163 <packet len>.W { <char name>.24B <reason>.40B }* (PACKETVER >= 20100803)
void clif_guild_expulsionlist(struct map_session_data* sd)
{
#if PACKETVER < 20100803
	const int offset = NAME_LENGTH*2+40;
#else
	const int offset = NAME_LENGTH+40;
#endif
	int fd, i, c = 0;
	struct guild* g;

	nullpo_retv(sd);

	if( (g = sd->guild) == NULL )
		return;

	fd = sd->fd;

	WFIFOHEAD(fd,4 + MAX_GUILDEXPULSION * offset);
	WFIFOW(fd,0) = 0x163;

	for( i = 0; i < MAX_GUILDEXPULSION; i++ )
	{
		struct guild_expulsion* e = &g->expulsion[i];

		if( e->account_id > 0 )
		{
			safestrncpy(WFIFOCP(fd,4 + c*offset), e->name, NAME_LENGTH);
#if PACKETVER < 20100803
			memset(WFIFOP(fd,4 + c*offset+24), 0, NAME_LENGTH); // account name (not used for security reasons)
			memcpy(WFIFOP(fd,4 + c*offset+48), e->mes, 40);
#else
			memcpy(WFIFOP(fd,4 + c*offset+24), e->mes, 40);
#endif
			c++;
		}
	}
	WFIFOW(fd,2) = 4 + c*offset;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Guild chat message (ZC_GUILD_CHAT).
/// 017f <packet len>.W <message>.?B
void clif_guild_message(struct guild *g,uint32 account_id,const char *mes,int len)
{// TODO: account_id is not used, candidate for deletion? [Ai4rei]
	struct map_session_data *sd;
	uint8 buf[256];

	if( len == 0 )
	{
		return;
	}
	else if( len > sizeof(buf)-5 )
	{
		ShowWarning("clif_guild_message: Truncated message '%s' (len=%d, max=%" PRIuPTR ", guild_id=%d).\n", mes, len, sizeof(buf)-5, g->guild_id);
		len = sizeof(buf)-5;
	}

	WBUFW(buf, 0) = 0x17f;
	WBUFW(buf, 2) = len + 5;
	safestrncpy(WBUFCP(buf,4), mes, len+1);

	if ((sd = guild_getavailablesd(g)) != NULL)
		clif_send(buf, WBUFW(buf,2), &sd->bl, GUILD_NOBG);
}

/// Request for guild alliance (ZC_REQ_ALLY_GUILD).
/// 0171 <inviter account id>.L <guild name>.24B
void clif_guild_reqalliance(struct map_session_data *sd,uint32 account_id,const char *name)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x171));
	WFIFOW(fd,0)=0x171;
	WFIFOL(fd,2)=account_id;
	safestrncpy(WFIFOCP(fd,6),name,NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x171));
}


/// Notifies the client about the result of a alliance request (ZC_ACK_REQ_ALLY_GUILD).
/// 0173 <answer>.B
/// answer:
///     0 = Already allied.
///     1 = You rejected the offer.
///     2 = You accepted the offer.
///     3 = They have too any alliances.
///     4 = You have too many alliances.
///     5 = Alliances are disabled.
void clif_guild_allianceack(struct map_session_data *sd,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x173));
	WFIFOW(fd,0)=0x173;
	WFIFOL(fd,2)=flag;
	WFIFOSET(fd,packet_len(0x173));
}


/// Notifies the client that a alliance or opposition has been removed (ZC_DELETE_RELATED_GUILD).
/// 0184 <other guild id>.L <relation>.L
/// relation:
///     0 = Ally
///     1 = Enemy
void clif_guild_delalliance(struct map_session_data *sd,int guild_id,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	if (fd <= 0)
		return;
	WFIFOHEAD(fd,packet_len(0x184));
	WFIFOW(fd,0)=0x184;
	WFIFOL(fd,2)=guild_id;
	WFIFOL(fd,6)=flag;
	WFIFOSET(fd,packet_len(0x184));
}


/// Notifies the client about the result of a opposition request (ZC_ACK_REQ_HOSTILE_GUILD).
/// 0181 <result>.B
/// result:
///     0 = Antagonist has been set.
///     1 = Guild has too many Antagonists.
///     2 = Already set as an Antagonist.
///     3 = Antagonists are disabled.
void clif_guild_oppositionack(struct map_session_data *sd,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x181));
	WFIFOW(fd,0)=0x181;
	WFIFOB(fd,2)=flag;
	WFIFOSET(fd,packet_len(0x181));
}


/// Adds alliance or opposition (ZC_ADD_RELATED_GUILD).
/// 0185 <relation>.L <guild id>.L <guild name>.24B
/*
void clif_guild_allianceadded(struct guild *g,int idx)
{
	unsigned char buf[64];
	WBUFW(buf,0)=0x185;
	WBUFL(buf,2)=g->alliance[idx].opposition;
	WBUFL(buf,6)=g->alliance[idx].guild_id;
	safestrncpy(WBUFP(buf,10),g->alliance[idx].name,NAME_LENGTH);
	clif_send(buf,packet_len(0x185),guild_getavailablesd(g),GUILD);
}
*/


/// Notifies the client about the result of a guild break (ZC_ACK_DISORGANIZE_GUILD_RESULT).
/// 015e <reason>.L
///     0 = success
///     1 = invalid key (guild name, @see clif_parse_GuildBreak)
///     2 = there are still members in the guild
void clif_guild_broken(struct map_session_data *sd,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x15e));
	WFIFOW(fd,0)=0x15e;
	WFIFOL(fd,2)=flag;
	WFIFOSET(fd,packet_len(0x15e));
}


/// Displays emotion on an object (ZC_EMOTION).
/// 00c0 <id>.L <type>.B
/// type:
///     enum emotion_type
void clif_emotion(struct block_list *bl,int type)
{
	unsigned char buf[8];

	nullpo_retv(bl);

	WBUFW(buf,0)=0xc0;
	WBUFL(buf,2)=bl->id;
	WBUFB(buf,6)=type;
	clif_send(buf,packet_len(0xc0),bl,AREA);
}


/// Displays the contents of a talkiebox trap (ZC_TALKBOX_CHATCONTENTS).
/// 0191 <id>.L <contents>.80B
void clif_talkiebox(struct block_list* bl, const char* talkie)
{
	unsigned char buf[MESSAGE_SIZE+6];
	nullpo_retv(bl);

	WBUFW(buf,0) = 0x191;
	WBUFL(buf,2) = bl->id;
	safestrncpy(WBUFCP(buf,6),talkie,MESSAGE_SIZE);
	clif_send(buf,packet_len(0x191),bl,AREA);
}


/// Displays wedding effect centered on an object (ZC_CONGRATULATION).
/// 01ea <id>.L
void clif_wedding_effect(struct block_list *bl)
{
	unsigned char buf[6];

	nullpo_retv(bl);

	WBUFW(buf,0) = 0x1ea;
	WBUFL(buf,2) = bl->id;
	clif_send(buf, packet_len(0x1ea), bl, AREA);
}


/// Notifies the client of the name of the partner character (ZC_COUPLENAME).
/// 01e6 <partner name>.24B
void clif_callpartner(struct map_session_data *sd)
{
	unsigned char buf[26];

	nullpo_retv(sd);

	WBUFW(buf,0) = 0x1e6;

	if( sd->status.partner_id ) {
		const char *p = map_charid2nick(sd->status.partner_id);
		struct map_session_data *p_sd = pc_get_partner(sd);
		if( p != NULL && p_sd != NULL && !p_sd->state.autotrade )
			safestrncpy(WBUFCP(buf,2), p, NAME_LENGTH);
		else
			WBUFB(buf,2) = 0;
	} else {// Send zero-length name if no partner, to initialize the client buffer.
		WBUFB(buf,2) = 0;
	}

	clif_send(buf, packet_len(0x1e6), &sd->bl, AREA);
}


/// Initiates the partner "taming" process [DracoRPG] (ZC_START_COUPLE).
/// 01e4
/// This packet while still implemented by the client is no longer being officially used.
/*
void clif_marriage_process(struct map_session_data *sd)
{
	int fd;
	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x1e4));
	WFIFOW(fd,0)=0x1e4;
	WFIFOSET(fd,packet_len(0x1e4));
}
*/


/// Notice of divorce (ZC_DIVORCE).
/// 0205 <partner name>.24B
void clif_divorced(struct map_session_data* sd, const char* name)
{
	int fd;
	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x205));
	WFIFOW(fd,0)=0x205;
	safestrncpy(WFIFOCP(fd,2), name, NAME_LENGTH);
	WFIFOSET(fd, packet_len(0x205));
}


/// Marriage proposal (ZC_REQ_COUPLE).
/// 01e2 <account id>.L <char id>.L <char name>.24B
/// This packet while still implemented by the client is no longer being officially used.
/*
void clif_marriage_proposal(int fd, struct map_session_data *sd, struct map_session_data* ssd)
{
	nullpo_retv(sd);

	WFIFOHEAD(fd,packet_len(0x1e2));
	WFIFOW(fd,0) = 0x1e2;
	WFIFOL(fd,2) = ssd->status.account_id;
	WFIFOL(fd,6) = ssd->status.char_id;
	safestrncpy(WFIFOCP(fd,10), ssd->status.name, NAME_LENGTH);
	WFIFOSET(fd, packet_len(0x1e2));
}
*/


/*==========================================
 * Displays a message using the guild-chat colors to the specified targets. [Skotlex]
 *------------------------------------------*/
void clif_disp_message(struct block_list* src, const char* mes, int len, enum send_target target)
{
	unsigned char buf[256];

	if( len == 0 ) {
		return;
	} else if( len > sizeof(buf)-5 ) {
		ShowWarning("clif_disp_message: Truncated message '%s' (len=%d, max=%" PRIuPTR ", aid=%d).\n", mes, len, sizeof(buf)-5, src->id);
		len = sizeof(buf)-5;
	}

	WBUFW(buf, 0) = 0x17f;
	WBUFW(buf, 2) = len + 5;
	safestrncpy(WBUFCP(buf,4), mes, len+1);
	clif_send(buf, WBUFW(buf,2), src, target);
}


/// Notifies the client about the result of a request to disconnect another player (ZC_ACK_DISCONNECT_CHARACTER).
/// 00cd <result>.L (unknown packet version or invalid information at packet_len_table)
/// 00cd <result>.B
/// result:
///     0 = failure
///     1 = success
void clif_GM_kickack(struct map_session_data *sd, int id)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0xcd));
	WFIFOW(fd,0) = 0xcd;
	WFIFOB(fd,2) = id;  // FIXME: this is not account id
	WFIFOSET(fd, packet_len(0xcd));
}


void clif_GM_kick(struct map_session_data *sd, struct map_session_data *tsd)
{
	int fd;

	nullpo_retv(tsd);

	fd = tsd->fd;

	if (sd == NULL)
		tsd->state.keepshop = true;

	if (fd > 0)
		clif_authfail_fd(fd, 15);
	else
		map_quit(tsd);

	if (sd)
		clif_GM_kickack(sd, tsd->status.account_id);
}


/// Displays various manner-related status messages (ZC_ACK_GIVE_MANNER_POINT).
/// 014a <result>.L
/// result:
///     0 = "A manner point has been successfully aligned."
///     1 = MP_FAILURE_EXHAUST
///     2 = MP_FAILURE_ALREADY_GIVING
///     3 = "Chat Block has been applied by GM due to your ill-mannerous action."
///     4 = "Automated Chat Block has been applied due to Anti-Spam System."
///     5 = "You got a good point from %s."
void clif_manner_message(struct map_session_data* sd, uint32 type)
{
	int fd;
	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0x14a));
	WFIFOW(fd,0) = 0x14a;
	WFIFOL(fd,2) = type;
	WFIFOSET(fd, packet_len(0x14a));
}


/// Followup to 0x14a type 3/5, informs who did the manner adjustment action (ZC_NOTIFY_MANNER_POINT_GIVEN).
/// 014b <type>.B <GM name>.24B
/// type:
///     0 = positive (unmute)
///     1 = negative (mute)
void clif_GM_silence(struct map_session_data* sd, struct map_session_data* tsd, uint8 type)
{
	int fd;
	nullpo_retv(sd);
	nullpo_retv(tsd);

	fd = tsd->fd;
	WFIFOHEAD(fd,packet_len(0x14b));
	WFIFOW(fd,0) = 0x14b;
	WFIFOB(fd,2) = type;
	safestrncpy(WFIFOCP(fd,3), sd->status.name, NAME_LENGTH);
	WFIFOSET(fd, packet_len(0x14b));
}


/// Notifies the client about the result of a request to allow/deny whispers from a player (ZC_SETTING_WHISPER_PC).
/// 00d1 <type>.B <result>.B
/// type:
///     0 = /ex (deny)
///     1 = /in (allow)
/// result:
///     0 = success
///     1 = failure
///     2 = too many blocks
void clif_wisexin(struct map_session_data *sd,int type,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0xd1));
	WFIFOW(fd,0)=0xd1;
	WFIFOB(fd,2)=type;
	WFIFOB(fd,3)=flag;
	WFIFOSET(fd,packet_len(0xd1));
}

/// Notifies the client about the result of a request to allow/deny whispers from anyone (ZC_SETTING_WHISPER_STATE).
/// 00d2 <type>.B <result>.B
/// type:
///     0 = /exall (deny)
///     1 = /inall (allow)
/// result:
///     0 = success
///     1 = failure
void clif_wisall(struct map_session_data *sd,int type,int flag)
{
	int fd;

	nullpo_retv(sd);

	fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0xd2));
	WFIFOW(fd,0)=0xd2;
	WFIFOB(fd,2)=type;
	WFIFOB(fd,3)=flag;
	WFIFOSET(fd,packet_len(0xd2));
}


/// Play a BGM! [Rikter/Yommy] (ZC_PLAY_NPC_BGM).
/// 07fe <bgm>.24B
void clif_playBGM(struct map_session_data* sd, const char* name)
{
	int fd;

	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0x7fe));
	WFIFOW(fd,0) = 0x7fe;
	safestrncpy(WFIFOCP(fd,2), name, NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x7fe));
}


/// Plays/stops a wave sound (ZC_SOUND).
/// 01d3 <file name>.24B <act>.B <term>.L <npc id>.L
/// file name:
///     relative to data\wav
/// act:
///     0 = play (once)
///     1 = play (repeat, does not work)
///     2 = stops all sound instances of file name (does not work)
/// term:
///     unknown purpose, only relevant to act = 1
/// npc id:
///     The accustic direction of the sound is determined by the
///     relative position of the NPC to the player (3D sound).
void clif_soundeffect(struct map_session_data* sd, struct block_list* bl, const char* name, int type)
{
	int fd;

	nullpo_retv(sd);
	nullpo_retv(bl);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0x1d3));
	WFIFOW(fd,0) = 0x1d3;
	safestrncpy(WFIFOCP(fd,2), name, NAME_LENGTH);
	WFIFOB(fd,26) = type;
	WFIFOL(fd,27) = 0;
	WFIFOL(fd,31) = bl->id;
	WFIFOSET(fd,packet_len(0x1d3));
}

void clif_soundeffectall(struct block_list* bl, const char* name, int type, enum send_target coverage)
{
	unsigned char buf[40];

	nullpo_retv(bl);

	WBUFW(buf,0) = 0x1d3;
	safestrncpy(WBUFCP(buf,2), name, NAME_LENGTH);
	WBUFB(buf,26) = type;
	WBUFL(buf,27) = 0;
	WBUFL(buf,31) = bl->id;
	clif_send(buf, packet_len(0x1d3), bl, coverage);
}


/// Displays special effects (npcs, weather, etc) [Valaris] (ZC_NOTIFY_EFFECT2).
/// 01f3 <id>.L <effect id>.L
/// effect id:
///     @see doc/effect_list.txt
void clif_specialeffect(struct block_list* bl, int type, enum send_target target)
{
	unsigned char buf[24];

	nullpo_retv(bl);

	memset(buf, 0, packet_len(0x1f3));

	WBUFW(buf,0) = 0x1f3;
	WBUFL(buf,2) = bl->id;
	WBUFL(buf,6) = type;

	clif_send(buf, packet_len(0x1f3), bl, target);

	if (disguised(bl)) {
		WBUFL(buf,2) = -bl->id;
		clif_send(buf, packet_len(0x1f3), bl, SELF);
	}
}

void clif_specialeffect_single(struct block_list* bl, int type, int fd)
{
	WFIFOHEAD(fd,10);
	WFIFOW(fd,0) = 0x1f3;
	WFIFOL(fd,2) = bl->id;
	WFIFOL(fd,6) = type;
	WFIFOSET(fd,10);
}


/// Notifies clients of an special/visual effect that accepts an value (ZC_NOTIFY_EFFECT3).
/// 0284 <id>.L <effect id>.L <num data>.L
/// effect id:
///     @see doc/effect_list.txt
/// num data:
///     effect-dependent value
void clif_specialeffect_value(struct block_list* bl, int effect_id, int num, send_target target)
{
	uint8 buf[14];

	WBUFW(buf,0) = 0x284;
	WBUFL(buf,2) = bl->id;
	WBUFL(buf,6) = effect_id;
	WBUFL(buf,10) = num;

	clif_send(buf, packet_len(0x284), bl, target);

	if( disguised(bl) )
	{
		WBUFL(buf,2) = -bl->id;
		clif_send(buf, packet_len(0x284), bl, SELF);
	}
}

/// Monster/NPC color chat [SnakeDrak] (ZC_NPC_CHAT).
/// 02c1 <packet len>.W <id>.L <color>.L <message>.?B
void clif_messagecolor_target(struct block_list *bl, unsigned long color, const char *msg, bool rgb2bgr, enum send_target type, struct map_session_data *sd) {
	unsigned short msg_len = (unsigned short)(strlen(msg) + 1);
	uint8 buf[CHAT_SIZE_MAX];

	nullpo_retv(bl);

	if (msg_len > sizeof(buf) - 12) {
		ShowWarning("clif_messagecolor: Truncating too long message '%s' (len=%u).\n", msg, msg_len);
		msg_len = sizeof(buf) - 12;
	}

	if (rgb2bgr)
		color = (color & 0x0000FF) << 16 | (color & 0x00FF00) | (color & 0xFF0000) >> 16; // RGB to BGR

	WBUFW(buf,0) = 0x2C1;
	WBUFW(buf,2) = msg_len + 12;
	WBUFL(buf,4) = bl->id;
	WBUFL(buf,8) = color;
	memcpy(WBUFCP(buf,12), msg, msg_len);

	clif_send(buf, WBUFW(buf,2), (sd == NULL ? bl : &(sd->bl)), type);
}

/**
 * Notifies the client that the storage window is still open
 *
 * Should only be used in cases where the client closed the 
 * storage window without server's consent
 */
void clif_refresh_storagewindow(struct map_session_data *sd) {
	// Notify the client that the storage is open
	if( sd->state.storage_flag == 1 ) {
		storage_sortitem(sd->storage.u.items_storage, ARRAYLENGTH(sd->storage.u.items_storage));
		clif_storagelist(sd, sd->storage.u.items_storage, ARRAYLENGTH(sd->storage.u.items_storage), storage_getName(0));
		clif_updatestorageamount(sd, sd->storage.amount, MAX_STORAGE);
	}
	// Notify the client that the gstorage is open otherwise it will
	// remain locked forever and nobody will be able to access it
	if( sd->state.storage_flag == 2 ) {
		struct s_storage *gstor = guild2storage2(sd->status.guild_id);

		if( !gstor ) // Shouldn't happen. The information should already be at the map-server
			intif_request_guild_storage(sd->status.account_id, sd->status.guild_id);
		else {
			storage_sortitem(gstor->u.items_guild, ARRAYLENGTH(gstor->u.items_guild));
			clif_storagelist(sd, gstor->u.items_guild, ARRAYLENGTH(gstor->u.items_guild), "Guild Storage");
			clif_updatestorageamount(sd, gstor->amount, MAX_GUILD_STORAGE);
		}
	}
}

// refresh the client's screen, getting rid of any effects
void clif_refresh(struct map_session_data *sd)
{
	nullpo_retv(sd);

	clif_changemap(sd,sd->bl.m,sd->bl.x,sd->bl.y);
	clif_inventorylist(sd);
	clif_equipswitch_list(sd);
	if(pc_iscarton(sd)) {
		clif_cartlist(sd);
		clif_updatestatus(sd,SP_CARTINFO);
	}
	clif_updatestatus(sd,SP_WEIGHT);
	clif_updatestatus(sd,SP_MAXWEIGHT);
	clif_updatestatus(sd,SP_STR);
	clif_updatestatus(sd,SP_AGI);
	clif_updatestatus(sd,SP_VIT);
	clif_updatestatus(sd,SP_INT);
	clif_updatestatus(sd,SP_DEX);
	clif_updatestatus(sd,SP_LUK);
	if (sd->spiritball)
		clif_spiritball_single(sd->fd, sd);
	if (sd->spiritcharm_type != CHARM_TYPE_NONE && sd->spiritcharm > 0)
		clif_spiritcharm_single(sd->fd, sd);
	if (sd->vd.cloth_color)
		clif_refreshlook(&sd->bl,sd->bl.id,LOOK_CLOTHES_COLOR,sd->vd.cloth_color,SELF);
	if (sd->vd.body_style)
		clif_refreshlook(&sd->bl,sd->bl.id,LOOK_BODY2,sd->vd.body_style,SELF);
	if(hom_is_active(sd->hd))
		clif_send_homdata(sd,SP_ACK,0);
	if( sd->md ) {
		clif_mercenary_info(sd);
		clif_mercenary_skillblock(sd);
	}
	if( sd->ed )
		clif_elemental_info(sd);
	map_foreachinallrange(clif_getareachar,&sd->bl,AREA_SIZE,BL_ALL,sd);
	clif_weather_check(sd);
	if( sd->chatID )
		chat_leavechat(sd,0);
	if( sd->state.vending )
		clif_openvending(sd, sd->bl.id, sd->vending);
	if( pc_issit(sd) )
		clif_sitting(&sd->bl); // FIXME: just send to self, not area
	if( pc_isdead(sd) ) // When you refresh, resend the death packet.
		clif_clearunit_single(sd->bl.id,CLR_DEAD,sd->fd);
	else
		clif_changed_dir(&sd->bl, SELF);
	clif_efst_status_change_sub(&sd->bl,&sd->bl,SELF);

	//Issue #2143
	//Cancel Trading State 
	if (sd->state.trading)
		trade_tradecancel(sd);
	//Cancel Buying/Selling State
	if (sd->state.buyingstore)
		buyingstore_close(sd);


	mail_clear(sd);


	if( disguised(&sd->bl) ) {/* refresh-da */
		short disguise = sd->disguise;
		pc_disguise(sd, 0);
		pc_disguise(sd, disguise);
	}
	clif_refresh_storagewindow(sd);
}


/// Updates the object's (bl) name on client.
/// Used to update when a char leaves a party/guild. [Skotlex]
/// Needed because when you send a 0x95 packet, the client will not remove the cached party/guild info that is not sent.
/// 0095 <id>.L <char name>.24B (ZC_ACK_REQNAME)
/// 0195 <id>.L <char name>.24B <party name>.24B <guild name>.24B <position name>.24B (ZC_ACK_REQNAMEALL)
/// 0a30 <id>.L <char name>.24B <party name>.24B <guild name>.24B <position name>.24B <title ID>.L (ZC_ACK_REQNAMEALL2)
void clif_name( struct block_list* src, struct block_list *bl, send_target target ){
	unsigned char buf[106];
	int cmd = 0x95;

	nullpo_retv(src);
	nullpo_retv(bl);

	WBUFW(buf,0) = cmd;
	WBUFL(buf,2) = bl->id;

	switch( bl->type )
	{
	case BL_PC:
		{
			struct map_session_data *sd = (struct map_session_data *)bl;
			struct party_data *p = NULL;

#if PACKETVER >= 20150513
			WBUFW(buf, 0) = cmd = 0xa30;
#else
			WBUFW(buf, 0) = cmd = 0x195;
#endif

			//Requesting your own "shadow" name. [Skotlex]
			if( src == bl && target == SELF && sd->disguise ){
				WBUFL(buf,2) = -bl->id;
			}

			if( sd->fakename[0] ) {
				safestrncpy(WBUFCP(buf,6), sd->fakename, NAME_LENGTH);
				WBUFB(buf,30) = WBUFB(buf,54) = WBUFB(buf,78) = 0;
#if PACKETVER >= 20150513
				WBUFL(buf,102) = 0; // Title ID
#endif
				break;
			}
			safestrncpy(WBUFCP(buf,6), sd->status.name, NAME_LENGTH);

			if( sd->status.party_id ){
				p = party_search(sd->status.party_id);
			}

			// do not display party unless the player is also in a guild
			if( p && ( sd->guild || battle_config.display_party_name ) ){
				safestrncpy(WBUFCP(buf,30), p->party.name, NAME_LENGTH);
			}else{
				WBUFB(buf,30) = 0;
			}

			if( sd->guild ){
				int position;

				// Will get the position of the guild the player is in
				position = guild_getposition(sd);

				safestrncpy(WBUFCP(buf,54), sd->guild->name,NAME_LENGTH);
				safestrncpy(WBUFCP(buf,78), sd->guild->position[position].name, NAME_LENGTH);
			}else if( sd->clan ){
				WBUFB(buf,54) = 0;
				safestrncpy(WBUFCP(buf,78), sd->clan->name,NAME_LENGTH);
			}else{ //Assume no guild and no clan
				WBUFB(buf,54) = 0;
				WBUFB(buf,78) = 0;
			}

#if PACKETVER >= 20150513
			WBUFL(buf,102) = sd->status.title_id; // Title ID
#endif
		}
		break;
	//[blackhole89]
	case BL_HOM:
		safestrncpy(WBUFCP(buf,6), ((TBL_HOM*)bl)->homunculus.name, NAME_LENGTH);
		break;
	case BL_MER:
		safestrncpy(WBUFCP(buf,6), ((TBL_MER*)bl)->db->name, NAME_LENGTH);
		break;
	case BL_PET:
		safestrncpy(WBUFCP(buf,6), ((TBL_PET*)bl)->pet.name, NAME_LENGTH);
		break;
	case BL_NPC:
		safestrncpy(WBUFCP(buf,6), ((TBL_NPC*)bl)->name, NAME_LENGTH);
		break;
	case BL_MOB:
		{
			struct mob_data *md = (struct mob_data *)bl;
			nullpo_retv(md);

			safestrncpy(WBUFCP(buf,6), md->name, NAME_LENGTH);
			if( md->guardian_data && md->guardian_data->guild_id )
			{
#if PACKETVER >= 20150513
				WBUFW(buf, 0) = cmd = 0xa30;
#else
				WBUFW(buf, 0) = cmd = 0x195;
#endif
				WBUFB(buf,30) = 0;
				safestrncpy(WBUFCP(buf,54), md->guardian_data->guild_name, NAME_LENGTH);
				safestrncpy(WBUFCP(buf,78), md->guardian_data->castle->castle_name, NAME_LENGTH);
			}
			else if( battle_config.show_mob_info )
			{
				char mobhp[50], *str_p = mobhp;
#if PACKETVER >= 20150513
				WBUFW(buf, 0) = cmd = 0xa30;
#else
				WBUFW(buf, 0) = cmd = 0x195;
#endif
				if( battle_config.show_mob_info&4 )
					str_p += sprintf(str_p, "Lv. %d | ", md->level);
				if( battle_config.show_mob_info&1 )
					str_p += sprintf(str_p, "HP: %u/%u | ", md->status.hp, md->status.max_hp);
				if( battle_config.show_mob_info&2 )
					str_p += sprintf(str_p, "HP: %u%% | ", get_percentage(md->status.hp, md->status.max_hp));
				//Even thought mobhp ain't a name, we send it as one so the client
				//can parse it. [Skotlex]
				if( str_p != mobhp )
				{
					*(str_p-3) = '\0'; //Remove trailing space + pipe.
					safestrncpy(WBUFCP(buf,30), mobhp, NAME_LENGTH);
					WBUFB(buf,54) = 0;
					WBUFB(buf,78) = 0;
				}
			}
#if PACKETVER >= 20150513
			WBUFL(buf, 102) = 0; // Title ID
#endif
		}
		break;
	case BL_CHAT:	//FIXME: Clients DO request this... what should be done about it? The chat's title may not fit... [Skotlex]
//		safestrncpy(WBUFP(buf,6), (struct chat*)->title, NAME_LENGTH);
//		break;
		return;
	case BL_ELEM:
		safestrncpy(WBUFCP(buf,6), ((TBL_ELEM*)bl)->db->name, NAME_LENGTH);
		break;
	default:
		ShowError("clif_name: bad type %d(%d)\n", bl->type, bl->id);
		return;
	}

	clif_send(buf, packet_len(cmd), src, target);
}

/// Taekwon Jump (TK_HIGHJUMP) effect (ZC_HIGHJUMP).
/// 01ff <id>.L <x>.W <y>.W
///
/// Visually moves(instant) a character to x,y. The char moves even
/// when the target cell isn't walkable. If the char is sitting it
/// stays that way.
void clif_slide(struct block_list *bl, int x, int y)
{
	unsigned char buf[10];
	nullpo_retv(bl);

	WBUFW(buf, 0) = 0x01ff;
	WBUFL(buf, 2) = bl->id;
	WBUFW(buf, 6) = x;
	WBUFW(buf, 8) = y;
	clif_send(buf, packet_len(0x1ff), bl, AREA);

	if( disguised(bl) )
	{
		WBUFL(buf,2) = -bl->id;
		clif_send(buf, packet_len(0x1ff), bl, SELF);
	}
}


/// Public chat message (ZC_NOTIFY_CHAT). lordalfa/Skotlex - used by @me as well
/// 008d <packet len>.W <id>.L <message>.?B
void clif_disp_overhead_(struct block_list *bl, const char* mes, enum send_target flag)
{
	unsigned char buf[256]; //This should be more than sufficient, the theorical max is CHAT_SIZE + 8 (pads and extra inserted crap)
	int len_mes = strlen(mes)+1; //Account for \0

	if (len_mes > sizeof(buf)-8) {
		ShowError("clif_disp_overhead: Message too long (length %d)\n", len_mes);
		len_mes = sizeof(buf)-8; //Trunk it to avoid problems.
	}
	// send message to others
	if (flag == AREA) {
		WBUFW(buf,0) = 0x8d;
		WBUFW(buf,2) = len_mes + 8; // len of message + 8 (command+len+id)
		WBUFL(buf,4) = bl->id;
		safestrncpy(WBUFCP(buf,8), mes, len_mes);
		clif_send(buf, WBUFW(buf,2), bl, AREA_CHAT_WOC);
	}

	// send back message to the speaker
	if( bl->type == BL_PC ) {
		WBUFW(buf,0) = 0x8e;
		WBUFW(buf, 2) = len_mes + 4;
		safestrncpy(WBUFCP(buf,4), mes, len_mes);
		clif_send(buf, WBUFW(buf,2), bl, SELF);
	}
}

/*==========================
 * Minimap fix [Kevin]
 * Remove dot from minimap
 *--------------------------*/
void clif_party_xy_remove(struct map_session_data *sd)
{
	unsigned char buf[16];
	nullpo_retv(sd);
	WBUFW(buf,0)=0x107;
	WBUFL(buf,2)=sd->status.account_id;
	WBUFW(buf,6)=-1;
	WBUFW(buf,8)=-1;
	clif_send(buf,packet_len(0x107),&sd->bl,PARTY_SAMEMAP_WOS);
}


/// Displays a skill message (thanks to Rayce) (ZC_SKILLMSG).
/// 0215 <msg id>.L
/// msg id:
///     0x15 = End all negative status (PA_GOSPEL)
///     0x16 = Immunity to all status (PA_GOSPEL)
///     0x17 = MaxHP +100% (PA_GOSPEL)
///     0x18 = MaxSP +100% (PA_GOSPEL)
///     0x19 = All stats +20 (PA_GOSPEL)
///     0x1c = Enchant weapon with Holy element (PA_GOSPEL)
///     0x1d = Enchant armor with Holy element (PA_GOSPEL)
///     0x1e = DEF +25% (PA_GOSPEL)
///     0x1f = ATK +100% (PA_GOSPEL)
///     0x20 = HIT/Flee +50 (PA_GOSPEL)
///     0x28 = Full strip failed because of coating (ST_FULLSTRIP)
///     ? = nothing
void clif_gospel_info(struct map_session_data *sd, int type)
{
	int fd=sd->fd;
	WFIFOHEAD(fd,packet_len(0x215));
	WFIFOW(fd,0)=0x215;
	WFIFOL(fd,2)=type;
	WFIFOSET(fd, packet_len(0x215));

}


/// Multi-purpose mission information packet (ZC_STARSKILL).
/// 020e <mapname>.24B <monster_id>.L <star>.B <result>.B
/// result:
///      0 = Star Gladiator %s has designed <mapname>'s as the %s.
///      star:
///          0 = Place of the Sun
///          1 = Place of the Moon
///          2 = Place of the Stars
///      1 = Star Gladiator %s's %s: <mapname>
///      star:
///          0 = Place of the Sun
///          1 = Place of the Moon
///          2 = Place of the Stars
///      10 = Star Gladiator %s has designed <mapname>'s as the %s.
///      star:
///          0 = Target of the Sun
///          1 = Target of the Moon
///          2 = Target of the Stars
///      11 = Star Gladiator %s's %s: <mapname used as monster name>
///      star:
///          0 = Monster of the Sun
///          1 = Monster of the Moon
///          2 = Monster of the Stars
///      20 = [TaeKwon Mission] Target Monster : <mapname used as monster name> (<star>%)
///      21 = [Taming Mission] Target Monster : <mapname used as monster name>
///      22 = [Collector Rank] Target Item : <monster_id used as item id>
///      30 = [Sun, Moon and Stars Angel] Designed places and monsters have been reset.
///      40 = Target HP : <monster_id used as HP>
void clif_starskill(struct map_session_data* sd, const char* mapname, int monster_id, unsigned char star, unsigned char result)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x20e));
	WFIFOW(fd,0) = 0x20e;
	safestrncpy(WFIFOCP(fd,2), mapname, NAME_LENGTH);
	WFIFOL(fd,26) = monster_id;
	WFIFOB(fd,30) = star;
	WFIFOB(fd,31) = result;
	WFIFOSET(fd,packet_len(0x20e));
}

/*==========================================
 * Info about Star Glaldiator save map [Komurka]
 * type: 1: Information, 0: Map registered
 *------------------------------------------*/
void clif_feel_info(struct map_session_data* sd, unsigned char feel_level, unsigned char type)
{
	char mapname[MAP_NAME_LENGTH_EXT];

	mapindex_getmapname_ext(mapindex_id2name(sd->feel_map[feel_level].index), mapname);
	clif_starskill(sd, mapname, 0, feel_level, type ? 1 : 0);
}

/*==========================================
 * Info about Star Glaldiator hate mob [Komurka]
 * type: 1: Register mob, 0: Information.
 *------------------------------------------*/
void clif_hate_info(struct map_session_data *sd, unsigned char hate_level,int class_, unsigned char type)
{
	if( pcdb_checkid(class_) ) {
		clif_starskill(sd, job_name(class_), class_, hate_level, type ? 10 : 11);
	} else if( mobdb_checkid(class_) ) {
		clif_starskill(sd, mob_db(class_)->jname, class_, hate_level, type ? 10 : 11);
	} else {
		ShowWarning("clif_hate_info: Received invalid class %d for this packet (char_id=%d, hate_level=%u, type=%u).\n", class_, sd->status.char_id, (unsigned int)hate_level, (unsigned int)type);
	}
}

/*==========================================
 * Info about TaeKwon Do TK_MISSION mob [Skotlex]
 *------------------------------------------*/
void clif_mission_info(struct map_session_data *sd, int mob_id, unsigned char progress)
{
	clif_starskill(sd, mob_db(mob_id)->jname, mob_id, progress, 20);
}

/*==========================================
 * Feel/Hate reset (thanks to Rayce) [Skotlex]
 *------------------------------------------*/
void clif_feel_hate_reset(struct map_session_data *sd)
{
	clif_starskill(sd, "", 0, 0, 30);
}


/// Send out reply to configuration change
/// 02d9 <type>.L <value>.L (ZC_CONFIG)
/// type: see enum e_config_type
/// value:
///		false = disabled
///		true = enabled
void clif_configuration( struct map_session_data* sd, enum e_config_type type, bool enabled ){
	int fd;
	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x2d9));
	WFIFOW(fd, 0) = 0x2d9;
	WFIFOL(fd, 2) = type;
	WFIFOL(fd, 6) = enabled;
	WFIFOSET(fd, packet_len(0x2d9));
}


/// The player's 'view equip' state, sent during login (ZC_CONFIG_NOTIFY).
/// 02da <open equip window>.B
/// open equip window:
///     0 = disabled
///     1 = enabled
void clif_equipcheckbox(struct map_session_data* sd)
{
	int fd;
	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x2da));
	WFIFOW(fd, 0) = 0x2da;
	WFIFOB(fd, 2) = (sd->status.show_equip ? 1 : 0);
	WFIFOSET(fd, packet_len(0x2da));
}


/// Sends info about a player's equipped items.
/// 02d7 <packet len>.W <name>.24B <class>.W <hairstyle>.W <up-viewid>.W <mid-viewid>.W <low-viewid>.W <haircolor>.W <cloth-dye>.W <gender>.B {equip item}.26B* (ZC_EQUIPWIN_MICROSCOPE)
/// 02d7 <packet len>.W <name>.24B <class>.W <hairstyle>.W <bottom-viewid>.W <mid-viewid>.W <up-viewid>.W <haircolor>.W <cloth-dye>.W <gender>.B {equip item}.28B* (ZC_EQUIPWIN_MICROSCOPE, PACKETVER >= 20100629)
/// 0859 <packet len>.W <name>.24B <class>.W <hairstyle>.W <bottom-viewid>.W <mid-viewid>.W <up-viewid>.W <haircolor>.W <cloth-dye>.W <gender>.B {equip item}.28B* (ZC_EQUIPWIN_MICROSCOPE2, PACKETVER >= 20101124)
/// 0859 <packet len>.W <name>.24B <class>.W <hairstyle>.W <bottom-viewid>.W <mid-viewid>.W <up-viewid>.W <robe>.W <haircolor>.W <cloth-dye>.W <gender>.B {equip item}.28B* (ZC_EQUIPWIN_MICROSCOPE2, PACKETVER >= 20110111)
/// 0997 <packet len>.W <name>.24B <class>.W <hairstyle>.W <bottom-viewid>.W <mid-viewid>.W <up-viewid>.W <robe>.W <haircolor>.W <cloth-dye>.W <gender>.B {equip item}.31B* (ZC_EQUIPWIN_MICROSCOPE_V5, PACKETVER >= 20120925)
/// 0a2d <packet len>.W <name>.24B <class>.W <hairstyle>.W <bottom-viewid>.W <mid-viewid>.W <up-viewid>.W <robe>.W <haircolor>.W <cloth-dye>.W <gender>.B {equip item}.57B* (ZC_EQUIPWIN_MICROSCOPE_V6, PACKETVER >= 20150225)
void clif_viewequip_ack(struct map_session_data* sd, struct map_session_data* tsd)
{
	uint8* buf;
	int i, n, fd, offset = 0;
#if PACKETVER < 20100629
	const int s = 26;
#elif PACKETVER < 20120925
	const int s = 28;
#elif PACKETVER < 20150225
 	const int s = 31;
#else
	const int s = 57;
#endif
	nullpo_retv(sd);
	nullpo_retv(tsd);
	fd = sd->fd;

	WFIFOHEAD(fd, MAX_INVENTORY * s + 43 + 2);
	buf = WFIFOP(fd,0);

#if PACKETVER < 20101124
	WBUFW(buf, 0) = 0x2d7;
#elif PACKETVER < 20120925
	WBUFW(buf, 0) = 0x859;
#elif PACKETVER < 20150225
 	WBUFW(buf, 0) = 0x997;
#else
	WBUFW(buf, 0) = 0xa2d;
#endif
	safestrncpy(WBUFCP(buf, 4), tsd->status.name, NAME_LENGTH);
	WBUFW(buf,28) = tsd->status.class_;
	WBUFW(buf,30) = tsd->vd.hair_style;
	WBUFW(buf,32) = tsd->vd.head_bottom;
	WBUFW(buf,34) = tsd->vd.head_mid;
	WBUFW(buf,36) = tsd->vd.head_top;
#if PACKETVER >= 20110111
	WBUFW(buf,38) = tsd->vd.robe;
	offset+= 2;
	buf = WBUFP(buf,2);
#endif
	WBUFW(buf,38) = tsd->vd.hair_color;
	WBUFW(buf,40) = tsd->vd.cloth_color;
	WBUFB(buf,42) = tsd->vd.sex;

	for(i=0,n=0; i < MAX_INVENTORY; i++)
	{
		if (tsd->inventory.u.items_inventory[i].nameid <= 0 || tsd->inventory_data[i] == NULL)	// Item doesn't exist
			continue;
		if (!itemdb_isequip2(tsd->inventory_data[i])) // Is not equippable
			continue;
		// Add item info : refine, identify flag, element, etc.
		clif_item_sub(WBUFP(buf,0), n*s+43,i + 2, &tsd->inventory.u.items_inventory[i], tsd->inventory_data[i], pc_equippoint(tsd, i));
		n++;
	}

	WFIFOW(fd, 2) = 43+offset+n*s;	// Set length
	WFIFOSET(fd, WFIFOW(fd, 2));
}


/// Display msgstringtable.txt string (ZC_MSG).
/// 0291 <message>.W
void clif_msg(struct map_session_data* sd, unsigned short id)
{
	int fd;
	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x291));
	WFIFOW(fd, 0) = 0x291;
	WFIFOW(fd, 2) = id;  // zero-based msgstringtable.txt index
	WFIFOSET(fd, packet_len(0x291));
}


/// Display msgstringtable.txt string and fill in a valid for %d format (ZC_MSG_VALUE).
/// 0x7e2 <message>.W <value>.L
void clif_msg_value(struct map_session_data* sd, unsigned short id, int value)
{
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x7e2));
	WFIFOW(fd,0) = 0x7e2;
	WFIFOW(fd,2) = id;
	WFIFOL(fd,4) = value;
	WFIFOSET(fd, packet_len(0x7e2));
}


/// Displays msgstringtable.txt string, prefixed with a skill name. (ZC_MSG_SKILL).
/// 07e6 <skill id>.W <msg id>.L
///
/// NOTE: Message has following format and is printed in color 0xCDCDFF (purple):
///       "[SkillName] Message"
void clif_msg_skill(struct map_session_data* sd, uint16 skill_id, int msg_id)
{
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x7e6));
	WFIFOW(fd,0) = 0x7e6;
	WFIFOW(fd,2) = skill_id;
	WFIFOL(fd,4) = msg_id;
	WFIFOSET(fd, packet_len(0x7e6));
}

/// Displays msgstringtable.txt string in a color. (ZC_MSG_COLOR).
/// 09cd <msg id>.W <color>.L
void clif_msg_color( struct map_session_data *sd, uint16 msg_id, uint32 color ){
	nullpo_retv(sd);

	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x9cd));
	WFIFOW(fd, 0) = 0x9cd;
	WFIFOW(fd, 2) = msg_id;
	WFIFOL(fd, 4) = color;

	WFIFOSET(fd, packet_len(0x9cd));
}

/// Validates one global/guild/party/whisper message packet and tries to recognize its components.
/// Returns true if the packet was parsed successfully.
/// Formats: false - <packet id>.w <packet len>.w (<name> : <message>).?B 00
///          true - <packet id>.w <packet len>.w <name>.24B <message>.?B 00
static bool clif_process_message(struct map_session_data* sd, bool whisperFormat, char* out_name, char* out_message, char* out_full_message ){
	const char* seperator = " : ";
	int fd;
	struct s_packet_db* info;
	uint16 packetLength, inputLength;
	const char *input, *name, *message;
	size_t nameLength, messageLength;

	fd = sd->fd;

	info = &packet_db[RFIFOW(fd,0)];

	packetLength = RFIFOW(fd,info->pos[0]);
	input = RFIFOCP(fd,info->pos[1]);

	// basic structure check for the 4-byte header
	if( packetLength < 4 ){
		ShowWarning("clif_process_message: Received malformed packet from player '%s' (no message data)!\n", sd->status.name);
		return false;
	}else{
		inputLength = packetLength - 4;
	}

	// process <name> part of the packet
	if( whisperFormat ) {	
		// name has fixed width
		if( inputLength < NAME_LENGTH + 1 ) {
			ShowWarning("clif_process_message: Received malformed packet from player '%s' (packet length is incorrect)!\n", sd->status.name);
			return false;
		}

		name = input;

		// validate name
		nameLength = strnlen( name, NAME_LENGTH - 1 );

		// only restriction is that the name must be zero-terminated
		if( name[nameLength] != '\0' ) {
			ShowWarning("clif_process_message: Player '%s' sent an unterminated name!\n", sd->status.name);
			return false;
		}

		message = input + NAME_LENGTH;
		messageLength = inputLength - NAME_LENGTH;		
	}else{
		// name and message are separated by ' : '
		size_t seperatorLength = strnlen( seperator, NAME_LENGTH );

		nameLength = strnlen( sd->status.name, NAME_LENGTH - 1 ); // name length (w/o zero byte)
		
		// check if there's enough data provided
		if( inputLength < nameLength + seperatorLength + 1 ){
			ShowWarning("clif_process_message: Received malformed packet from player '%s' (no username data)!\n", sd->status.name);
			return false;
		}

		name = input;

		// validate name
		if( strncmp( name, sd->status.name, nameLength ) || // the text must start with the speaker's name
			strncmp( name + nameLength, seperator, seperatorLength ) ) // followed by the seperator
		{
			//Hacked message, or infamous "client desynch" issue where they pick one char while loading another.
			ShowWarning("clif_process_message: Player '%s' sent a message using an incorrect name! Forcing a relog...\n", sd->status.name);
			set_eof(sd->fd); // Just kick them out to correct it.
			return false;
		}

		message = input + nameLength + seperatorLength;
		messageLength = inputLength - nameLength - seperatorLength;
	}

#if PACKETVER < 20151001
	// the declared length must match real length
	if( messageLength != strnlen(message, messageLength)+1 ) {
		ShowWarning("clif_process_message: Received malformed packet from player '%s' (length is incorrect)!\n", sd->status.name);
		return false;
	}

	// verify <message> part of the packet
	if( message[messageLength-1] != '\0' ) {	// message must be zero-terminated
		ShowWarning("clif_process_message: Player '%s' sent an unterminated message string!\n", sd->status.name);
		return false;
	}
#else
	// No zero termination anymore
	messageLength += 1;
#endif

	// messages mustn't be too long
	if( messageLength > CHAT_SIZE_MAX-1 ) {
		// Normally you can only enter CHATBOX_SIZE-1 letters into the chat box, but Frost Joke / Dazzler's text can be longer.
		// Also, the physical size of strings that use multibyte encoding can go multiple times over the chatbox capacity.
		// Neither the official client nor server place any restriction on the length of the data in the packet,
		// but we'll only allow reasonably long strings here. This also makes sure that they fit into the `chatlog` table.
		ShowWarning("clif_process_message: Player '%s' sent a message too long ('%.*s')!\n", sd->status.name, CHAT_SIZE_MAX-1, message);
		return false;
	}
	
	// If it is not a whisper message, set the name to the fakename of the player
	if( whisperFormat == false && sd->fakename[0] != '\0' ){
		strcpy( out_name, sd->fakename );
	}else{
		safestrncpy( out_name, name, nameLength + 1 );
	}
	safestrncpy( out_message, message, messageLength );

	if( whisperFormat ){
		sprintf( out_full_message, "%-24s%s", out_name, out_message );
		out_full_message[nameLength] = '\0';
	}else{
		sprintf( out_full_message, "%s%s%s", out_name, seperator, out_message );
	}

	if( is_atcommand( fd, sd, out_message, 1 )  )
		return false;

	if (sd->sc.cant.chat || (sd->state.block_action & PCBLOCK_CHAT))
		return false; //no "chatting" while muted.

	if( battle_config.min_chat_delay ) { //[Skotlex]
		if (DIFF_TICK(sd->cantalk_tick, gettick()) > 0)
			return false;
		sd->cantalk_tick = gettick() + battle_config.min_chat_delay;
	}

	if (battle_config.idletime_option&IDLE_CHAT)
		sd->idletime = last_tick;

	return true;
}

/**
 * Displays a message if the player enters a PK Zone (during pk_mode)
 * @param sd: Player data
 */
inline void clif_pk_mode_message(struct map_session_data * sd)
{
	if (battle_config.pk_mode && battle_config.pk_mode_mes &&
		sd && map_getmapflag(sd->bl.m, MF_PVP)) {
		if( (int)sd->status.base_level < battle_config.pk_min_level ) {
			char output[CHAT_SIZE_MAX];
			// 1504: You've entered a PK Zone (safe until level %d).
			safesnprintf(output, CHAT_SIZE_MAX, msg_txt(sd,1504), 
						 battle_config.pk_min_level);
			clif_showscript(&sd->bl, output, SELF);
		} else {
			// 1503: You've entered a PK Zone.
			clif_showscript(&sd->bl, msg_txt(sd,1503), SELF);
		}
	}
	return;
}

// ---------------------
// clif_parse_wanttoconnect
// ---------------------
// Parses a WantToConnection packet to try to identify which is the packet version used. [Skotlex]
// error codes:
// 0 - Success
// 1 - Unknown packet_ver
// 2 - Invalid account_id
// 3 - Invalid char_id
// 4 - Invalid login_id1 (reserved)
// 5 - Invalid client_tick (reserved)
// 6 - Invalid sex
// Only the first 'invalid' error that appears is used.
static int clif_parse_WantToConnection_sub(int fd)
{
	int packet_len, value; //Value is used to temporarily store account/char_id/sex
	unsigned short cmd;

	//By default, start searching on the default one.
	cmd = RFIFOW(fd, 0);
	packet_len = RFIFOREST(fd);

	// FIXME: If the packet is not received at once, this will FAIL.
	// Figure out, when it happens, that only part of the packet is
	// received, or fix the function to be able to deal with that
	// case.
	if( packet_len != packet_db[cmd].len )
		return 1; /* wrong length */
	else if( (value=(int)RFIFOL(fd, packet_db[cmd].pos[0])) < START_ACCOUNT_NUM || value > END_ACCOUNT_NUM )
		return 2; /* invalid account_id */
	else if( (value=(int)RFIFOL(fd, packet_db[cmd].pos[1])) <= 0 )
		return 3; /* invalid char_id */
	/*                   RFIFOL(fd, packet_db[cmd].pos[2]) - don't care about login_id1 */
	/*                   RFIFOL(fd, packet_db[cmd].pos[3]) - don't care about client_tick */
	else if( (value=(int)RFIFOB(fd, packet_db[cmd].pos[4])) != 0 && value != 1 )
		return 6; /* invalid sex */
	else
		return 0;
}

/// Request to connect to map-server.
/// 0072 <account id>.L <char id>.L <auth code>.L <client time>.L <gender>.B (CZ_ENTER)
/// 0436 <account id>.L <char id>.L <auth code>.L <client time>.L <gender>.B (CZ_ENTER2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_WantToConnection(int fd, struct map_session_data* sd)
{
	struct block_list* bl;
	struct auth_node* node;
	int cmd, account_id, char_id, login_id1, sex, err;
	t_tick client_tick; //The client tick is a tick, therefore it needs be unsigned. [Skotlex]

	if (sd) {
		ShowError("clif_parse_WantToConnection : invalid request (character already logged in)\n");
		return;
	}

	cmd = RFIFOW(fd, 0);
	account_id = RFIFOL(fd, packet_db[cmd].pos[0]);
	char_id = RFIFOL(fd, packet_db[cmd].pos[1]);
	login_id1 = RFIFOL(fd, packet_db[cmd].pos[2]);
	client_tick = RFIFOL(fd, packet_db[cmd].pos[3]);
	sex = RFIFOB(fd, packet_db[cmd].pos[4]);

	err = clif_parse_WantToConnection_sub(fd);

	if( err ){ // connection rejected
		ShowInfo("clif_parse: Disconnecting session #%d with unknown connect packet 0x%04x(length:%d)%s\n", fd, cmd, RFIFOREST(fd), (
				err == 1 ? "." :
				err == 2 ? ", possibly for having an invalid account_id." :
				err == 3 ? ", possibly for having an invalid char_id." :
				/* Uncomment when checks are added in clif_parse_WantToConnection_sub. [FlavioJS]
				err == 4 ? ", possibly for having an invalid login_id1." :
				err == 5 ? ", possibly for having an invalid client_tick." :
				*/
				err == 6 ? ", possibly for having an invalid sex." :
				". ERROR invalid error code"));
		
		WFIFOHEAD(fd,packet_len(0x6a));
		WFIFOW(fd,0) = 0x6a;
		WFIFOB(fd,2) = err;
		WFIFOSET(fd,packet_len(0x6a));

#ifdef DUMP_INVALID_PACKET
		ShowDump(RFIFOP(fd, 0), RFIFOREST(fd));
#endif

		RFIFOSKIP(fd, RFIFOREST(fd));

		set_eof(fd);
		return;
	}

	if( runflag != MAPSERVER_ST_RUNNING ) {// not allowed
		clif_authfail_fd(fd,1);// server closed
		return;
	}

	//Check for double login.
	bl = map_id2bl(account_id);
	if(bl && bl->type != BL_PC) {
		ShowError("clif_parse_WantToConnection: a non-player object already has id %d, please increase the starting account number\n", account_id);
		WFIFOHEAD(fd,packet_len(0x6a));
		WFIFOW(fd,0) = 0x6a;
		WFIFOB(fd,2) = 3; // Rejected by server
		WFIFOSET(fd,packet_len(0x6a));
		set_eof(fd);
		return;
	}

	if (bl ||
		((node=chrif_search(account_id)) && //An already existing node is valid only if it is for this login.
			!(node->account_id == account_id && node->char_id == char_id && node->state == ST_LOGIN)))
	{
		clif_authfail_fd(fd, 8); //Still recognizes last connection
		return;
	}

	CREATE(sd, TBL_PC, 1);
	sd->fd = fd;
#ifdef PACKET_OBFUSCATION
	sd->cryptKey = (((((clif_cryptKey[0] * clif_cryptKey[1]) + clif_cryptKey[2]) & 0xFFFFFFFF) * clif_cryptKey[1]) + clif_cryptKey[2]) & 0xFFFFFFFF;
#endif
	session[fd]->session_data = sd;

	pc_setnewpc(sd, account_id, char_id, login_id1, client_tick, sex, fd);

#if PACKETVER < 20070521
	WFIFOHEAD(fd,4);
	WFIFOL(fd,0) = sd->bl.id;
	WFIFOSET(fd,4);
#else
	WFIFOHEAD(fd,packet_len(0x283));
	WFIFOW(fd,0) = 0x283;
	WFIFOL(fd,2) = sd->bl.id;
	WFIFOSET(fd,packet_len(0x283));
#endif

	chrif_authreq(sd,false);
}


/// Notification from the client, that it has finished map loading and is about to display player's character (CZ_NOTIFY_ACTORINIT).
/// 007d
void clif_parse_LoadEndAck(int fd,struct map_session_data *sd)
{
	bool guild_notice = false;

	if(sd->bl.prev != NULL)
		return;

	// Autotraders should ignore this entirely, clif_parse_LoadEndAck is always invoked manually for them
	if (!sd->state.active || (!sd->state.autotrade && !sd->state.pc_loaded)) { //Character loading is not complete yet!
		//Let pc_reg_received or pc_scdata_received reinvoke this when ready.
		sd->state.connect_new = 0;
		return;
	}

	if (sd->state.rewarp) { //Rewarp player.
		sd->state.rewarp = 0;
		clif_changemap(sd, sd->bl.m, sd->bl.x, sd->bl.y);
		return;
	}

	sd->state.warping = 0;

	// look
#if PACKETVER < 4
	clif_changelook(&sd->bl,LOOK_WEAPON,sd->status.weapon);
	clif_changelook(&sd->bl,LOOK_SHIELD,sd->status.shield);
#else
	clif_changelook(&sd->bl,LOOK_WEAPON,0);
#endif
	pc_set_costume_view(sd);

	if(sd->vd.cloth_color)
		clif_refreshlook(&sd->bl,sd->bl.id,LOOK_CLOTHES_COLOR,sd->vd.cloth_color,SELF);
	if(sd->vd.body_style)
		clif_refreshlook(&sd->bl,sd->bl.id,LOOK_BODY2,sd->vd.body_style,SELF);

	// item
	clif_inventorylist(sd);  // inventory list first, otherwise deleted items in pc_checkitem show up as 'unknown item'
	pc_checkitem(sd);
	clif_equipswitch_list(sd);

	// cart
	if(pc_iscarton(sd)) {
		clif_cartlist(sd);
		clif_updatestatus(sd,SP_CARTINFO);
	}

	// weight
	clif_updatestatus(sd,SP_WEIGHT);
	clif_updatestatus(sd,SP_MAXWEIGHT);

	// guild
	// (needs to go before clif_spawn() to show guild emblems correctly)
	if(sd->status.guild_id)
		guild_send_memberinfoshort(sd,1);

	struct map_data *mapdata = map_getmapdata(sd->bl.m);

	if(battle_config.pc_invincible_time > 0) {
		if(mapdata_flag_gvg(mapdata))
			pc_setinvincibletimer(sd,battle_config.pc_invincible_time<<1);
		else
			pc_setinvincibletimer(sd,battle_config.pc_invincible_time);
	}

	if( mapdata->users++ == 0 && battle_config.dynamic_mobs )
		map_spawnmobs(sd->bl.m);
	if( !pc_isinvisible(sd) ) { // increment the number of pvp players on the map
		mapdata->users_pvp++;
	}
	sd->state.debug_remove_map = 0; // temporary state to track double remove_map's [FlavioJS]

	// reset the callshop flag if the player changes map
	sd->state.callshop = 0;

	if(map_addblock(&sd->bl))
		return;
	clif_spawn(&sd->bl);

	// Party
	// (needs to go after clif_spawn() to show hp bars correctly)
	if(sd->status.party_id) {
		party_send_movemap(sd);
		clif_party_hp(sd); // Show hp after displacement [LuzZza]
	}

	if( sd->bg_id ) clif_bg_hp(sd); // BattleGround System

	if(!pc_isinvisible(sd) && mapdata->flag[MF_PVP]) {
		if(!battle_config.pk_mode) { // remove pvp stuff for pk_mode [Valaris]
			if (!mapdata->flag[MF_PVP_NOCALCRANK])
				sd->pvp_timer = add_timer(gettick()+200, pc_calc_pvprank_timer, sd->bl.id, 0);
			sd->pvp_rank = 0;
			sd->pvp_lastusers = 0;
			sd->pvp_point = 5;
			sd->pvp_won = 0;
			sd->pvp_lost = 0;
		}
		clif_map_property(&sd->bl, MAPPROPERTY_FREEPVPZONE, SELF);
	} else if(sd->duel_group) // set flag, if it's a duel [LuzZza]
		clif_map_property(&sd->bl, MAPPROPERTY_FREEPVPZONE, SELF);
	else if (mapdata->flag[MF_GVG_DUNGEON])
		clif_map_property(&sd->bl, MAPPROPERTY_FREEPVPZONE, SELF); //TODO: Figure out the real packet to send here.
	else if( mapdata_flag_gvg(mapdata) )
		clif_map_property(&sd->bl, MAPPROPERTY_AGITZONE, SELF);
	else
		clif_map_property(&sd->bl, MAPPROPERTY_NOTHING, SELF);

	// info about nearby objects
	// must use foreachinarea (CIRCULAR_AREA interferes with foreachinrange)
	map_foreachinallarea(clif_getareachar, sd->bl.m, sd->bl.x-AREA_SIZE, sd->bl.y-AREA_SIZE, sd->bl.x+AREA_SIZE, sd->bl.y+AREA_SIZE, BL_ALL, sd);

	// pet
	if( sd->pd ) {
		if( battle_config.pet_no_gvg && mapdata_flag_gvg(mapdata) ) { //Return the pet to egg. [Skotlex]
			clif_displaymessage(sd->fd, msg_txt(sd,666));
			pet_return_egg( sd, sd->pd );
		} else {
			if(map_addblock(&sd->pd->bl))
				return;
			clif_spawn(&sd->pd->bl);
			clif_send_petdata(sd,sd->pd,0,0);
			clif_send_petstatus(sd);
//			skill_unit_move(&sd->pd->bl,gettick(),1);
		}
	}

	//homunculus [blackhole89]
	if( hom_is_active(sd->hd) ) {
		if(map_addblock(&sd->hd->bl))
			return;
		clif_spawn(&sd->hd->bl);
		clif_send_homdata(sd,SP_ACK,0);
		clif_hominfo(sd,sd->hd,1);
		clif_hominfo(sd,sd->hd,0); //for some reason, at least older clients want this sent twice
		clif_homskillinfoblock(sd);
		if( battle_config.hom_setting&HOMSET_COPY_SPEED )
			status_calc_bl(&sd->hd->bl, SCB_SPEED); //Homunc mimic their master's speed on each map change
		if( !(battle_config.hom_setting&HOMSET_NO_INSTANT_LAND_SKILL) )
			skill_unit_move(&sd->hd->bl,gettick(),1); // apply land skills immediately
	}

	if( sd->md ) {
		if(map_addblock(&sd->md->bl))
			return;
		clif_spawn(&sd->md->bl);
		clif_mercenary_info(sd);
		clif_mercenary_skillblock(sd);
		status_calc_bl(&sd->md->bl, SCB_SPEED); // Mercenary mimic their master's speed on each map change
	}

	if( sd->ed ) {
		if (map_addblock(&sd->ed->bl))
			return;
		clif_spawn(&sd->ed->bl);
		clif_elemental_info(sd);
		clif_elemental_updatestatus(sd,SP_HP);
		clif_hpmeter_single(sd->fd,sd->ed->bl.id,sd->ed->battle_status.hp,sd->ed->battle_status.max_hp);
		clif_elemental_updatestatus(sd,SP_SP);
		status_calc_bl(&sd->ed->bl, SCB_SPEED); //Elemental mimic their master's speed on each map change
	}

	if(sd->state.connect_new) {
		int lv;
		guild_notice = true;
		clif_skillinfoblock(sd);
		clif_hotkeys_send(sd);
		clif_updatestatus(sd,SP_BASEEXP);
		clif_updatestatus(sd,SP_NEXTBASEEXP);
		clif_updatestatus(sd,SP_JOBEXP);
		clif_updatestatus(sd,SP_NEXTJOBEXP);
		clif_updatestatus(sd,SP_SKILLPOINT);
		clif_initialstatus(sd);

		if (sd->sc.option&OPTION_FALCON)
			clif_status_load(&sd->bl, EFST_FALCON, 1);
		else if (sd->sc.option&(OPTION_RIDING|OPTION_DRAGON|OPTION_MADOGEAR))
			clif_status_load(&sd->bl, EFST_RIDING, 1);
		else if (sd->sc.option&OPTION_WUGRIDER)
			clif_status_load(&sd->bl, EFST_WUGRIDER, 1);
		else if (sd->sc.data[SC_ALL_RIDING])
			clif_status_load(&sd->bl, EFST_ALL_RIDING, 1);

		if(sd->status.manner < 0)
			sc_start(&sd->bl,&sd->bl,SC_NOCHAT,100,0,0);

		//Auron reported that This skill only triggers when you logon on the map o.O [Skotlex]
		if ((lv = pc_checkskill(sd,SG_KNOWLEDGE)) > 0) {
			if(sd->bl.m == sd->feel_map[0].m
				|| sd->bl.m == sd->feel_map[1].m
				|| sd->bl.m == sd->feel_map[2].m)
				sc_start(&sd->bl,&sd->bl, SC_KNOWLEDGE, 100, lv, skill_get_time(SG_KNOWLEDGE, lv));
		}

		if(sd->pd && sd->pd->pet.intimate > 900)
			clif_pet_emotion(sd->pd,(sd->pd->pet.class_ - 100)*100 + 50 + pet_hungry_val(sd->pd));

		if(hom_is_active(sd->hd))
			hom_init_timers(sd->hd);

		if (night_flag && mapdata->flag[MF_NIGHTENABLED]) {
			sd->state.night = 1;
			clif_status_load(&sd->bl, EFST_SKE, 1);
		}

		// Notify everyone that this char logged in [Skotlex].
		map_foreachpc(clif_friendslist_toggle_sub, sd->status.account_id, sd->status.char_id, 1);

		if (!sd->state.autotrade) { // Don't trigger NPC event or opening vending/buyingstore will be failed
			//Login Event
			npc_script_event(sd, NPCE_LOGIN);
		}
	} else {
		//For some reason the client "loses" these on warp/map-change.
		clif_updatestatus(sd,SP_STR);
		clif_updatestatus(sd,SP_AGI);
		clif_updatestatus(sd,SP_VIT);
		clif_updatestatus(sd,SP_INT);
		clif_updatestatus(sd,SP_DEX);
		clif_updatestatus(sd,SP_LUK);

		// abort currently running script
		sd->state.using_fake_npc = 0;
		sd->state.menu_or_input = 0;
		sd->npc_menu = 0;

		if(sd->npc_id)
			npc_event_dequeue(sd);
	}

	if( sd->state.changemap ) {// restore information that gets lost on map-change
#if PACKETVER >= 20070918
		clif_partyinvitationstate(sd);
		clif_equipcheckbox(sd);
#endif
#if PACKETVER >= 20141008
		if( battle_config.pet_autofeed_always ){
			// Always send ON or OFF
			if( sd->pd && battle_config.feature_pet_autofeed ){
				clif_configuration( sd, CONFIG_PET_AUTOFEED, sd->pd->pet.autofeed );
			}else{
				clif_configuration( sd, CONFIG_PET_AUTOFEED, false );
			}
		}else{
			// Only send when enabled
			if( sd->pd && battle_config.feature_pet_autofeed && sd->pd->pet.autofeed ){
				clif_configuration( sd, CONFIG_PET_AUTOFEED, true );
			}
		}
#endif
#if PACKETVER >= 20170920
		if( battle_config.homunculus_autofeed_always ){
			// Always send ON or OFF
			if( sd->hd && battle_config.feature_homunculus_autofeed ){
				clif_configuration( sd, CONFIG_HOMUNCULUS_AUTOFEED, sd->hd->homunculus.autofeed );
			}else{
				clif_configuration( sd, CONFIG_HOMUNCULUS_AUTOFEED, false );
			}
		}else{
			// Only send when enabled
			if( sd->hd && battle_config.feature_homunculus_autofeed && sd->hd->homunculus.autofeed ){
				clif_configuration( sd, CONFIG_HOMUNCULUS_AUTOFEED, true );
			}
		}
#endif

		if (sd->guild && battle_config.guild_notice_changemap == 1){
			clif_guild_notice(sd); // Displays after VIP
			guild_notice = false; // Do not display it twice
		}

		if (battle_config.bg_flee_penalty != 100 || battle_config.gvg_flee_penalty != 100) {
			struct map_data *pmap = map_getmapdata(sd->state.pmap);

			if ((pmap != nullptr && (mapdata_flag_gvg(pmap) || pmap->flag[MF_BATTLEGROUND])) || (mapdata != nullptr && (mapdata_flag_gvg(mapdata) || mapdata->flag[MF_BATTLEGROUND])))
				status_calc_bl(&sd->bl, SCB_FLEE); //Refresh flee penalty
		}

		if( night_flag && mapdata->flag[MF_NIGHTENABLED] )
		{	//Display night.
			if( !sd->state.night )
			{
				sd->state.night = 1;
				clif_status_load(&sd->bl, EFST_SKE, 1);
			}
		}
		else if( sd->state.night )
		{ //Clear night display.
			sd->state.night = 0;
			clif_status_load(&sd->bl, EFST_SKE, 0);
		}

		if( mapdata->flag[MF_BATTLEGROUND] )
		{
			clif_map_type(sd, MAPTYPE_BATTLEFIELD); // Battleground Mode
			if( map_getmapflag(sd->bl.m, MF_BATTLEGROUND) == 2 )
				clif_bg_updatescore_single(sd);
		}

		if( mapdata->flag[MF_ALLOWKS] && !mapdata_flag_ks(mapdata) )
		{
			char output[128];
			sprintf(output, "[ Kill Steal Protection Disable. KS is allowed in this map ]");
			clif_broadcast(&sd->bl, output, strlen(output) + 1, BC_BLUE, SELF);
		}

		if( pc_has_permission(sd,PC_PERM_VIEW_HPMETER) ) {
			mapdata->hpmeter_visible++;
			sd->state.hpmeter_visible = 1;
		}

		status_change_clear_onChangeMap(&sd->bl, &sd->sc);
		map_iwall_get(sd); // Updates Walls Info on this Map to Client
		status_calc_pc(sd, sd->state.autotrade ? SCO_FIRST : SCO_NONE); // Some conditions are map-dependent so we must recalculate

#ifdef VIP_ENABLE
		if (!sd->state.connect_new &&
			!sd->vip.disableshowrate &&
			sd->state.pmap != sd->bl.m &&
			map_getmapflag(sd->state.pmap, MF_BEXP) != mapdata->flag[MF_BEXP]
			)
		{
			clif_display_pinfo(sd,ZC_PERSONAL_INFOMATION);
			//clif_vip_display_info(sd,ZC_PERSONAL_INFOMATION_CHN);
		}
#endif

		// Instances do not need their own channels
		if( channel_config.map_tmpl.name[0] && (channel_config.map_tmpl.opt&CHAN_OPT_AUTOJOIN) && !mapdata->instance_id && !mapdata->flag[MF_NOMAPCHANNELAUTOJOIN] )
			channel_mjoin(sd); //join new map

		clif_pk_mode_message(sd);
	}
	
	if( sd->guild && ( battle_config.guild_notice_changemap == 2 || guild_notice ) ){
		clif_guild_notice(sd); // Displays at end
	}

	mail_clear(sd);

	/* Guild Aura Init */
	if( sd->guild && sd->state.gmaster_flag ) {
		guild_guildaura_refresh(sd,GD_LEADERSHIP,guild_checkskill(sd->guild,GD_LEADERSHIP));
		guild_guildaura_refresh(sd,GD_GLORYWOUNDS,guild_checkskill(sd->guild,GD_GLORYWOUNDS));
		guild_guildaura_refresh(sd,GD_SOULCOLD,guild_checkskill(sd->guild,GD_SOULCOLD));
		guild_guildaura_refresh(sd,GD_HAWKEYES,guild_checkskill(sd->guild,GD_HAWKEYES));
	}

	if( sd->state.vending ) { /* show we have a vending */
		clif_openvending(sd,sd->bl.id,sd->vending);
		clif_showvendingboard(&sd->bl,sd->message,0);
	}

	// Don't trigger NPC event or opening vending/buyingstore will be failed
	if(!sd->state.autotrade && mapdata->flag[MF_LOADEVENT]) // Lance
		npc_script_event(sd, NPCE_LOADMAP);

	if (pc_checkskill(sd, SG_DEVIL) && pc_is_maxjoblv(sd))
		clif_status_load(&sd->bl, EFST_DEVIL1, 1);  //blindness [Komurka]

	if (sd->sc.opt2) //Client loses these on warp.
		clif_changeoption(&sd->bl);

	if ((sd->sc.data[SC_MONSTER_TRANSFORM] || sd->sc.data[SC_ACTIVE_MONSTER_TRANSFORM]) && battle_config.mon_trans_disable_in_gvg && mapdata_flag_gvg2(mapdata)) {
		status_change_end(&sd->bl, SC_MONSTER_TRANSFORM, INVALID_TIMER);
		status_change_end(&sd->bl, SC_ACTIVE_MONSTER_TRANSFORM, INVALID_TIMER);
		clif_displaymessage(sd->fd, msg_txt(sd,731)); // Transforming into monster is not allowed in Guild Wars.
	}

	clif_weather_check(sd);

	// For automatic triggering of NPCs after map loading (so you don't need to walk 1 step first)
	if (map_getcell(sd->bl.m,sd->bl.x,sd->bl.y,CELL_CHKNPC))
		npc_touch_areanpc(sd,sd->bl.m,sd->bl.x,sd->bl.y);
	else
		sd->areanpc.clear();

	/* it broke at some point (e.g. during a crash), so we make it visibly dead again. */
	if( !sd->status.hp && !pc_isdead(sd) && status_isdead(&sd->bl) )
		pc_setdead(sd);

	// If player is dead, and is spawned (such as @refresh) send death packet. [Valaris]
	if(pc_isdead(sd))
		clif_clearunit_area(&sd->bl, CLR_DEAD);
	else {
		skill_usave_trigger(sd);
		if (battle_config.spawn_direction)
			clif_changed_dir(&sd->bl, SELF);
	}

	// Trigger skill effects if you appear standing on them
	if(!battle_config.pc_invincible_time)
		skill_unit_move(&sd->bl,gettick(),1);

	pc_show_questinfo_reinit(sd);
	pc_show_questinfo(sd);

#if PACKETVER >= 20150513
	if( sd->mail.inbox.unread ){
		clif_Mail_new(sd, 0, NULL, NULL);
	}
#endif

	sd->state.connect_new = 0;
	sd->state.changemap = false;
}


/// Server's tick (ZC_NOTIFY_TIME).
/// 007f <time>.L
void clif_notify_time(struct map_session_data* sd, t_tick time)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x7f));
	WFIFOW(fd,0) = 0x7f;
	WFIFOL(fd,2) = client_tick(time);
	WFIFOSET(fd,packet_len(0x7f));
}


/// Request for server's tick.
/// 007e <client tick>.L (CZ_REQUEST_TIME)
/// 0360 <client tick>.L (CZ_REQUEST_TIME2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_TickSend(int fd, struct map_session_data *sd)
{
	sd->client_tick = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);

	clif_notify_time(sd, gettick());
}


/// Sends hotkey bar.
/// 02b9 { <is skill>.B <id>.L <count>.W }*27 (ZC_SHORTCUT_KEY_LIST)
/// 07d9 { <is skill>.B <id>.L <count>.W }*36 (ZC_SHORTCUT_KEY_LIST_V2, PACKETVER >= 20090603)
/// 07d9 { <is skill>.B <id>.L <count>.W }*38 (ZC_SHORTCUT_KEY_LIST_V2, PACKETVER >= 20090617)
/// 0a00 <rotate>.B { <is skill>.B <id>.L <count>.W }*38 (ZC_SHORTCUT_KEY_LIST_V3, PACKETVER >= 20141022)
void clif_hotkeys_send(struct map_session_data *sd) {
#ifdef HOTKEY_SAVING
	const int fd = sd->fd;
	int i;
	int offset = 2;
#if PACKETVER < 20090603
	const int cmd = 0x2b9;
#elif PACKETVER < 20141022
	const int cmd = 0x7d9;
#else
	char Rotate = sd->status.hotkey_rowshift;
	const int cmd = 0xa00;
	offset = 3;
#endif
	if (!fd) return;
	WFIFOHEAD(fd, offset + MAX_HOTKEYS * 7);
	WFIFOW(fd, 0) = cmd;
#if PACKETVER >= 20141022
	WFIFOB(fd, 2) = Rotate;
#endif
	for(i = 0; i < MAX_HOTKEYS; i++) {
		WFIFOB(fd, offset + 0 + i * 7) = sd->status.hotkeys[i].type; // type: 0: item, 1: skill
		WFIFOL(fd, offset + 1 + i * 7) = sd->status.hotkeys[i].id; // item or skill ID
		WFIFOW(fd, offset + 5 + i * 7) = sd->status.hotkeys[i].lv; // item qty or skill level
	}
	WFIFOSET(fd, packet_len(cmd));
#endif
}

/// Request to update a position on the hotkey row bar
void clif_parse_HotkeyRowShift(int fd, struct map_session_data *sd) {
	int cmd = RFIFOW(fd, 0);
	sd->status.hotkey_rowshift = RFIFOB(fd, packet_db[cmd].pos[0]);
}

/// Request to update a position on the hotkey bar (CZ_SHORTCUT_KEY_CHANGE).
/// 02ba <index>.W <is skill>.B <id>.L <count>.W
void clif_parse_Hotkey(int fd, struct map_session_data *sd) {
#ifdef HOTKEY_SAVING
	unsigned short idx;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	idx = RFIFOW(fd, info->pos[0]);
	if (idx >= MAX_HOTKEYS) return;

	sd->status.hotkeys[idx].type = RFIFOB(fd,info->pos[1]);
	sd->status.hotkeys[idx].id = RFIFOL(fd, info->pos[2]);
	sd->status.hotkeys[idx].lv = RFIFOW(fd, info->pos[3]);
#endif
}


/// Displays cast-like progress bar (ZC_PROGRESS).
/// 02f0 <color>.L <time>.L
void clif_progressbar(struct map_session_data * sd, unsigned long color, unsigned int second)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x2f0));
	WFIFOW(fd,0) = 0x2f0;
	WFIFOL(fd,2) = color;
	WFIFOL(fd,6) = second;
	WFIFOSET(fd,packet_len(0x2f0));
}


/// Removes an ongoing progress bar (ZC_PROGRESS_CANCEL).
/// 02f2
void clif_progressbar_abort(struct map_session_data * sd)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x2f2));
	WFIFOW(fd,0) = 0x2f2;
	WFIFOSET(fd,packet_len(0x2f2));
}


/// Notification from the client, that the progress bar has reached 100%.
/// 02f1 (CZ_PROGRESS)
void clif_parse_progressbar(int fd, struct map_session_data * sd){
	// No progressbar active, ignore it
	if( !sd->progressbar.npc_id ){
		return;
	}

	int npc_id = sd->progressbar.npc_id;
	bool closing = false;

	// Check if the progress was canceled
	if( gettick() < sd->progressbar.timeout && sd->st ){
		closing = true;
		sd->st->state = CLOSE; // will result in END in npc_scriptcont

		// If a message window was open, offer a close button to the user
		if( sd->st->mes_active ){
			clif_scriptclose( sd, npc_id );
		}
	}

	sd->progressbar.npc_id = 0;
	sd->progressbar.timeout = 0;
	sd->state.workinprogress = WIP_DISABLE_NONE;
	npc_scriptcont(sd, npc_id, closing);
}

/// Displays cast-like progress bar on a NPC
/// 09d1 <id>.L <color>.L <time>.L (ZC_PROGRESS_ACTOR)
void clif_progressbar_npc( struct npc_data *nd, struct map_session_data* sd ){
#if PACKETVER >= 20130821
	unsigned char buf[14];

	if( nd->progressbar.timeout > 0 ){
		WBUFW(buf,0) = 0x9d1;
		WBUFL(buf,2) = nd->bl.id;
		WBUFL(buf,6) = nd->progressbar.color;
		WBUFL(buf,10) = client_tick( ( nd->progressbar.timeout - gettick() ) / 1000 );

		if( sd ){
			clif_send(buf, packet_len(0x9d1), &sd->bl, SELF);
		}else{
			clif_send(buf, packet_len(0x9d1), &nd->bl, AREA);
		}
	}
#endif
}

/// Request to walk to a certain position on the current map.
/// 0085 <dest>.3B (CZ_REQUEST_MOVE)
/// 035f <dest>.3B (CZ_REQUEST_MOVE2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_WalkToXY(int fd, struct map_session_data *sd)
{
	short x, y;

	if (pc_isdead(sd)) {
		clif_clearunit_area(&sd->bl, CLR_DEAD);
		return;
	}

	if (sd->sc.opt1 && ( sd->sc.opt1 == OPT1_STONEWAIT || sd->sc.opt1 == OPT1_BURNING ))
		; //You CAN walk on this OPT1 value.
	else if (sd->progressbar.npc_id) {
		clif_progressbar_abort(sd);
		return; // First walk attempt cancels the progress bar
	} else if (pc_cant_act(sd))
		return;

	if(sd->sc.data[SC_RUN] || sd->sc.data[SC_WUGDASH])
		return;

	RFIFOPOS(fd, packet_db[RFIFOW(fd,0)].pos[0], &x, &y, NULL);

	//A move command one cell west is only valid if the target cell is free
	if(battle_config.official_cell_stack_limit > 0
		&& sd->bl.x == x+1 && sd->bl.y == y && map_count_oncell(sd->bl.m, x, y, BL_CHAR|BL_NPC, 1))
		return;

	// Cloaking wall check is actually updated when you click to process next movement
	// not when you move each cell.  This is official behaviour.
	if (sd->sc.data[SC_CLOAKING])
		skill_check_cloaking(&sd->bl, sd->sc.data[SC_CLOAKING]);
	status_change_end(&sd->bl, SC_ROLLINGCUTTER, INVALID_TIMER); // If you move, you lose your counters. [malufett]

	pc_delinvincibletimer(sd);

	//Set last idle time... [Skotlex]
	if (battle_config.idletime_option&IDLE_WALK)
		sd->idletime = last_tick;

	unit_walktoxy(&sd->bl, x, y, 4);
}


/// Notification about the result of a disconnect request (ZC_ACK_REQ_DISCONNECT).
/// 018b <result>.W
/// result:
///     0 = disconnect (quit)
///     1 = cannot disconnect (wait 10 seconds)
///     ? = ignored
void clif_disconnect_ack(struct map_session_data* sd, short result)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x18b));
	WFIFOW(fd,0) = 0x18b;
	WFIFOW(fd,2) = result;
	WFIFOSET(fd,packet_len(0x18b));
}


/// Request to disconnect from server (CZ_REQ_DISCONNECT).
/// 018a <type>.W
/// type:
///     0 = quit
void clif_parse_QuitGame(int fd, struct map_session_data *sd)
{
	/*	Rovert's prevent logout option fixed [Valaris]	*/
	//int type = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	if( !sd->sc.data[SC_CLOAKING] && !sd->sc.data[SC_HIDING] && !sd->sc.data[SC_CHASEWALK] && !sd->sc.data[SC_CLOAKINGEXCEED] && !sd->sc.data[SC_SUHIDE] &&
		(!battle_config.prevent_logout || sd->canlog_tick == 0 || DIFF_TICK(gettick(), sd->canlog_tick) > battle_config.prevent_logout) )
	{
		set_eof(fd);
		pc_damage_log_clear(sd,0);
		clif_disconnect_ack(sd, 0);
	} else {
		clif_disconnect_ack(sd, 1);
	}
}


/// Requesting unit's name.
/// 0094 <id>.L (CZ_REQNAME)
/// 0368 <id>.L (CZ_REQNAME2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_GetCharNameRequest(int fd, struct map_session_data *sd)
{
	int id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	struct block_list* bl;
	//struct status_change *sc;

	if( id < 0 && -id == sd->bl.id ) // for disguises [Valaris]
		id = sd->bl.id;

	bl = map_id2bl(id);
	if( bl == NULL )
		return;	// Lagged clients could request names of already gone mobs/players. [Skotlex]

	if( sd->bl.m != bl->m || !check_distance_bl(&sd->bl, bl, AREA_SIZE) )
		return; // Block namerequests past view range

	// 'see people in GM hide' cheat detection
	/* disabled due to false positives (network lag + request name of char that's about to hide = race condition)
	sc = status_get_sc(bl);
	if (sc && sc->option&OPTION_INVISIBLE && !disguised(bl) &&
		bl->type != BL_NPC && //Skip hidden NPCs which can be seen using Maya Purple
		pc_get_group_level(sd) < battle_config.hack_info_GM_level
	) {
		char gm_msg[256];
		sprintf(gm_msg, "Hack on NameRequest: character '%s' (account: %d) requested the name of an invisible target (id: %d).\n", sd->status.name, sd->status.account_id, id);
		ShowWarning(gm_msg);
		// information is sent to all online GMs
		intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, gm_msg);
		return;
	}
	*/

	clif_name(&sd->bl,bl,SELF);
}


/// Validates and processes global messages
/// 008c <packet len>.W <text>.?B (<name> : <message>) 00 (CZ_REQUEST_CHAT)
/// There are various variants of this packet.
void clif_parse_GlobalMessage(int fd, struct map_session_data* sd)
{
	char name[NAME_LENGTH], message[CHAT_SIZE_MAX], output[CHAT_SIZE_MAX+NAME_LENGTH*2];
	size_t length;

	// validate packet and retrieve name and message
	if( !clif_process_message(sd, false, name, message, output ) )
		return;

	if( sd->gcbind && ((sd->gcbind->opt&CHAN_OPT_CAN_CHAT) || pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN)) ) {
		channel_send(sd->gcbind,sd,message);
		return;
	}

	// send message to others (using the send buffer for temp. storage)
	clif_GlobalMessage(&sd->bl,output,sd->chatID ? CHAT_WOS : AREA_CHAT_WOC);

	length = strlen(output) + 1;

	// send back message to the speaker
	WFIFOHEAD(fd,4+length);
	WFIFOW(fd,0) = 0x8e;
	WFIFOW(fd,2) = (uint16)(4+length);
	safestrncpy(WFIFOCP(fd,4), output, length );
	WFIFOSET(fd, WFIFOW(fd,2));

#ifdef PCRE_SUPPORT
	// trigger listening npcs
	map_foreachinallrange(npc_chat_sub, &sd->bl, AREA_SIZE, BL_NPC, output, strlen(output), &sd->bl);
#endif

	// Chat logging type 'O' / Global Chat
	log_chat(LOG_CHAT_GLOBAL, 0, sd->status.char_id, sd->status.account_id, mapindex_id2name(sd->mapindex), sd->bl.x, sd->bl.y, NULL, message);
	//achievement_update_objective(sd, AG_CHAT, 1, sd->bl.m); //! TODO: What's the official use of this achievement type?
}


/// /mm /mapmove (as @rura GM command) (CZ_MOVETO_MAP).
/// Request to warp to a map on given coordinates.
/// 0140 <map name>.16B <x>.W <y>.W
void clif_parse_MapMove(int fd, struct map_session_data *sd)
{
	char command[MAP_NAME_LENGTH_EXT+25];
	char* map_name;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	map_name = RFIFOCP(fd,info->pos[0]);
	map_name[MAP_NAME_LENGTH_EXT-1]='\0';
	safesnprintf(command,sizeof(command),"%cmapmove %s %d %d", atcommand_symbol, map_name,
	    RFIFOW(fd,info->pos[1]), //x
	    RFIFOW(fd,info->pos[2])); //y
	is_atcommand(fd, sd, command, 1);
}


/// Updates body and head direction of an object (ZC_CHANGE_DIRECTION).
/// 009c <id>.L <head dir>.W <dir>.B
/// head dir:
///     0 = straight
///     1 = turned CW
///     2 = turned CCW
/// dir:
///     0 = north
///     1 = northwest
///     2 = west
///     3 = southwest
///     4 = south
///     5 = southeast
///     6 = east
///     7 = northeast
void clif_changed_dir(struct block_list *bl, enum send_target target)
{
	unsigned char buf[64];

	WBUFW(buf,0) = 0x9c;
	WBUFL(buf,2) = bl->id;
	WBUFW(buf,6) = bl->type==BL_PC?((TBL_PC*)bl)->head_dir:0;
	WBUFB(buf,8) = unit_getdir(bl);

	clif_send(buf, packet_len(0x9c), bl, target);

	if (disguised(bl)) {
		WBUFL(buf,2) = -bl->id;
		WBUFW(buf,6) = 0;
		clif_send(buf, packet_len(0x9c), bl, SELF);
	}
}


/// Request to change own body and head direction.
/// 009b <head dir>.W <dir>.B (CZ_CHANGE_DIRECTION)
/// 0361 <head dir>.W <dir>.B (CZ_CHANGE_DIRECTION2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_ChangeDir(int fd, struct map_session_data *sd)
{
	unsigned char headdir, dir;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	headdir = RFIFOB(fd,info->pos[0]);
	dir = RFIFOB(fd,info->pos[1]);
	pc_setdir(sd, dir, headdir);

	clif_changed_dir(&sd->bl, AREA_WOS);
}


/// Request to show an emotion (CZ_REQ_EMOTION).
/// 00bf <type>.B
/// type:
///     @see enum emotion_type
void clif_parse_Emotion(int fd, struct map_session_data *sd)
{
	int emoticon = RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[0]);

	if (battle_config.basic_skill_check == 0 || pc_checkskill(sd, NV_BASIC) >= 2 || pc_checkskill(sd, SU_BASIC_SKILL) >= 1) {
		if (emoticon == ET_CHAT_PROHIBIT) {// prevent use of the mute emote [Valaris]
			clif_skill_fail(sd, 1, USESKILL_FAIL_LEVEL, 1);
			return;
		}
		// fix flood of emotion icon (ro-proxy): flood only the hacker player
		if (sd->emotionlasttime + 1 >= time(NULL)) { // not more than 1 per second
			sd->emotionlasttime = time(NULL);
			clif_skill_fail(sd, 1, USESKILL_FAIL_LEVEL, 1);
			return;
		}
		sd->emotionlasttime = time(NULL);

		if (battle_config.idletime_option&IDLE_EMOTION)
			sd->idletime = last_tick;

		if (sd->state.block_action & PCBLOCK_EMOTION) {
			clif_skill_fail(sd, 1, USESKILL_FAIL_LEVEL, 1);
			return;
		}

		if(battle_config.client_reshuffle_dice && emoticon>=ET_DICE1 && emoticon<=ET_DICE6) {// re-roll dice
			emoticon = rnd()%6+ET_DICE1;
		}

		clif_emotion(&sd->bl, emoticon);
	} else
		clif_skill_fail(sd, 1, USESKILL_FAIL_LEVEL, 1);
}


/// Amount of currently online players, reply to /w /who (ZC_USER_COUNT).
/// 00c2 <count>.L
void clif_user_count(struct map_session_data* sd, int count)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xc2));
	WFIFOW(fd,0) = 0xc2;
	WFIFOL(fd,2) = count;
	WFIFOSET(fd,packet_len(0xc2));
}


/// /w /who (CZ_REQ_USER_COUNT).
/// Request to display amount of currently connected players.
/// 00c1
void clif_parse_HowManyConnections(int fd, struct map_session_data *sd)
{
	clif_user_count(sd, map_getusers());
}


void clif_parse_ActionRequest_sub(struct map_session_data *sd, int action_type, int target_id, t_tick tick)
{
	if (pc_isdead(sd)) {
		clif_clearunit_area(&sd->bl, CLR_DEAD);
		return;
	}

	// Statuses that don't let the player sit / attack / talk with NPCs(targeted)
	// (not all are included in pc_can_attack)
	if (sd->sc.count &&
		(sd->sc.data[SC_TRICKDEAD] ||
		(sd->sc.data[SC_AUTOCOUNTER] && action_type != 0x07) ||
		 sd->sc.data[SC_BLADESTOP] ||
		 sd->sc.data[SC__MANHOLE] ||
		 sd->sc.data[SC_SUHIDE] ))
		return;

	if(action_type != 0x00 && action_type != 0x07)
		pc_stop_walking(sd, 1);
	pc_stop_attack(sd);

	if(target_id<0 && -target_id == sd->bl.id) // for disguises [Valaris]
		target_id = sd->bl.id;

	switch(action_type)
	{
	case 0x00: // once attack
	case 0x07: // continuous attack

		if( pc_cant_act(sd) || sd->sc.option&OPTION_HIDE )
			return;

		if( sd->sc.option&OPTION_COSTUME )
			return;

		if (!battle_config.sdelay_attack_enable && pc_checkskill(sd, SA_FREECAST) <= 0) {
			if (DIFF_TICK(tick, sd->ud.canact_tick) < 0) {
				clif_skill_fail(sd, 1, USESKILL_FAIL_SKILLINTERVAL, 0);
				return;
			}
		}

		pc_delinvincibletimer(sd);
		if (battle_config.idletime_option&IDLE_ATTACK)
			sd->idletime = last_tick;
		unit_attack(&sd->bl, target_id, action_type != 0);
		break;
	case 0x02: // sitdown
		if (battle_config.basic_skill_check && pc_checkskill(sd, NV_BASIC) < 3 && pc_checkskill(sd, SU_BASIC_SKILL) < 1) {
			clif_skill_fail(sd, 1, USESKILL_FAIL_LEVEL, 2);
			break;
		}

		if(pc_issit(sd)) {
			//Bugged client? Just refresh them.
			clif_sitting(&sd->bl);
			return;
		}

		if (sd->ud.skilltimer != INVALID_TIMER || (sd->sc.opt1 && sd->sc.opt1 != OPT1_STONEWAIT && sd->sc.opt1 != OPT1_BURNING))
			break;

		if (sd->sc.count && (
			sd->sc.data[SC_DANCING] ||
			(sd->sc.data[SC_GRAVITATION] && sd->sc.data[SC_GRAVITATION]->val3 == BCT_SELF)
		)) //No sitting during these states either.
			break;

		if (sd->state.block_action & PCBLOCK_SITSTAND) {
			clif_displaymessage(sd->fd, msg_txt(sd,794)); // This action is currently blocked.
			break;
		}

		if (battle_config.idletime_option&IDLE_SIT)
			sd->idletime = last_tick;

		pc_setsit(sd);
		skill_sit(sd, true);
		clif_sitting(&sd->bl);
		break;
	case 0x03: // standup
		if (!pc_issit(sd)) {
			//Bugged client? Just refresh them.
			clif_standing(&sd->bl);
			return;
		}

		if (sd->sc.opt1 && sd->sc.opt1 != OPT1_STONEWAIT && sd->sc.opt1 != OPT1_BURNING)
			break;

		if (sd->state.block_action & PCBLOCK_SITSTAND) {
			clif_displaymessage(sd->fd, msg_txt(sd,794)); // This action is currently blocked.
			break;
		}

		if (pc_setstand(sd, false)) {
			if (battle_config.idletime_option&IDLE_SIT)
				sd->idletime = last_tick;
			skill_sit(sd, false);
			clif_standing(&sd->bl);
		}
		break;
	}
}


/// Request for an action.
/// 0089 <target id>.L <action>.B (CZ_REQUEST_ACT)
/// 0437 <target id>.L <action>.B (CZ_REQUEST_ACT2)
/// action:
///     0 = attack
///     1 = pick up item
///     2 = sit down
///     3 = stand up
///     7 = continous attack
///     12 = (touch skill?)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_ActionRequest(int fd, struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	clif_parse_ActionRequest_sub(sd,
		RFIFOB(fd,info->pos[1]),
		RFIFOL(fd,info->pos[0]),
		gettick()
	);
}


/// Response to the death/system menu (CZ_RESTART).
/// 00b2 <type>.B
/// type:
///     0 = restart (respawn)
///     1 = char-select (disconnect)
void clif_parse_Restart(int fd, struct map_session_data *sd)
{
	switch(RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[0])) {
	case 0x00:
		pc_respawn(sd,CLR_OUTSIGHT);
		break;
	case 0x01:
		/*	Rovert's Prevent logout option - Fixed [Valaris]	*/
		if( !sd->sc.data[SC_CLOAKING] && !sd->sc.data[SC_HIDING] && !sd->sc.data[SC_CHASEWALK] && !sd->sc.data[SC_CLOAKINGEXCEED] && !sd->sc.data[SC_SUHIDE] &&
			(!battle_config.prevent_logout || sd->canlog_tick == 0 || DIFF_TICK(gettick(), sd->canlog_tick) > battle_config.prevent_logout) )
		{	//Send to char-server for character selection.
			pc_damage_log_clear(sd,0);
			chrif_charselectreq(sd, session[fd]->client_addr);
		} else {
			clif_disconnect_ack(sd, 1);
		}
		break;
	}
}


/// Validates and processes whispered messages (CZ_WHISPER).
/// 0096 <packet len>.W <nick>.24B <message>.?B
void clif_parse_WisMessage(int fd, struct map_session_data* sd)
{
	struct map_session_data* dstsd;
	int i;
	char target[NAME_LENGTH], message[CHAT_SIZE_MAX], output[CHAT_SIZE_MAX+NAME_LENGTH*2];

	// validate packet and retrieve name and message
	if( !clif_process_message( sd, true, target, message, output ) )
		return;

	// Chat logging type 'W' / Whisper
	log_chat(LOG_CHAT_WHISPER, 0, sd->status.char_id, sd->status.account_id, mapindex_id2name(sd->mapindex), sd->bl.x, sd->bl.y, target, message);

	//-------------------------------------------------------//
	//   Lordalfa - Paperboy - To whisper NPC commands       //
	//-------------------------------------------------------//
	if (target[0] && (strncasecmp(target,"NPC:",4) == 0) && (strlen(target) > 4))
	{
		char* str = target+4; //Skip the NPC: string part.
		struct npc_data* npc;
		if ((npc = npc_name2id(str))) {
			char split_data[NUM_WHISPER_VAR][CHAT_SIZE_MAX];
			char *split;
			char event[EVENT_NAME_LENGTH];

			str = message;
			// skip codepage indicator, if detected
			if( str[0] == '|' && strlen(str) >= 4 )
				str += 3;
			for( i = 0; i < NUM_WHISPER_VAR; ++i ) {// Splits the message using '#' as separators
				split = strchr(str,'#');
				if( split == NULL ) { // use the remaining string
					safestrncpy(split_data[i], str, ARRAYLENGTH(split_data[i]));
					for( ++i; i < NUM_WHISPER_VAR; ++i )
						split_data[i][0] = '\0';
					break;
				}
				*split = '\0';
				safestrncpy(split_data[i], str, ARRAYLENGTH(split_data[i]));
				str = split+1;
			}

			for( i = 0; i < NUM_WHISPER_VAR; ++i ) {
				char variablename[CHAT_SIZE_MAX];
				safesnprintf(variablename,sizeof(variablename),"@whispervar%d$", i);
				set_var(sd,variablename,(char *) split_data[i]);
			}

			safesnprintf(event,sizeof(event),"%s::%s", npc->exname,script_config.onwhisper_event_name);
			npc_event(sd,event,0); // Calls the NPC label

			return;
		}
	} else if( target[0] == '#' ) {
		struct Channel *channel = NULL;
		char* chname = target;

		channel = channel_name2channel(chname,sd,3);
		if(channel && (pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN) || ((channel->opt&CHAN_OPT_CAN_CHAT) && channel_pccheckgroup(channel,sd->group_id)))){
			if(channel_pc_haschan(sd,channel)>=0){ //we are in the chan
				channel_send(channel,sd,message);
			}
			else if( channel->pass[0] == '\0') { //no pass needed
				if (channel_join(channel,sd)==0)
					channel_send(channel,sd,message); //join success
			}
			else {
				clif_displaymessage(fd, msg_txt(sd,1402)); //You're not in that channel, type '@join <#channel_name>'
			}
			return;
		}
	}

	// searching destination character
	dstsd = map_nick2sd(target,false);

	if (dstsd == NULL || strcmp(dstsd->status.name, target) != 0) {
		// player is not on this map-server
		// At this point, don't send wisp/page if it's not exactly the same name, because (example)
		// if there are 'Test' player on an other map-server and 'test' player on this map-server,
		// and if we ask for 'Test', we must not contact 'test' player
		// so, we send information to inter-server, which is the only one which decide (and copy correct name).
		intif_wis_message(sd, target, message, strlen(message) + 1);
		return;
	}

	// if player ignores everyone
	if (dstsd->state.ignoreAll && pc_get_group_level(sd) <= pc_get_group_level(dstsd)) {
		if (pc_isinvisible(dstsd) && pc_get_group_level(sd) < pc_get_group_level(dstsd))
			clif_wis_end(fd, 1); // 1: target character is not logged in
		else
			clif_wis_end(fd, 3); // 3: everyone ignored by target
		return;
	}

	// if player is autotrading
	if (dstsd->state.autotrade == 1){
		safesnprintf(output,sizeof(output),"%s is in autotrade mode and cannot receive whispered messages.", dstsd->status.name);
		clif_wis_message(sd, wisp_server_name, output, strlen(output) + 1, 0);
		return;
	}

	if (pc_get_group_level(sd) <= pc_get_group_level(dstsd)) {
		// if player ignores the source character
		ARR_FIND(0, MAX_IGNORE_LIST, i, dstsd->ignore[i].name[0] == '\0' || strcmp(dstsd->ignore[i].name, sd->status.name) == 0);
		if(i < MAX_IGNORE_LIST && dstsd->ignore[i].name[0] != '\0') { // source char present in ignore list
			clif_wis_end(fd, 2); // 2: ignored by target
			return;
		}
	}

	// notify sender of success
	clif_wis_end(fd, 0); // 0: success to send wisper

	// Normal message
	clif_wis_message(dstsd, sd->status.name, message, strlen(message)+1, 0);
}


/// /b /nb (CZ_BROADCAST).
/// Request to broadcast a message on whole server.
/// 0099 <packet len>.W <text>.?B 00
void clif_parse_Broadcast(int fd, struct map_session_data* sd) {
	char command[CHAT_SIZE_MAX+11];
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	unsigned int len = RFIFOW(fd,info->pos[0])-4;
	char* msg = RFIFOCP(fd,info->pos[1]);

	// as the length varies depending on the command used, just block unreasonably long strings
	mes_len_check(msg, len, CHAT_SIZE_MAX);

	safesnprintf(command,sizeof(command),"%ckami %s", atcommand_symbol, msg);
	is_atcommand(fd, sd, command, 1);
}


/// Request to pick up an item.
/// 009f <id>.L (CZ_ITEM_PICKUP)
/// 0362 <id>.L (CZ_ITEM_PICKUP2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_TakeItem(int fd, struct map_session_data *sd)
{
	struct flooritem_data *fitem;
	int map_object_id;

	map_object_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);

	fitem = (struct flooritem_data*)map_id2bl(map_object_id);

	do {
		if (pc_isdead(sd)) {
			clif_clearunit_area(&sd->bl, CLR_DEAD);
			break;
		}

		if (fitem == NULL || fitem->bl.type != BL_ITEM || fitem->bl.m != sd->bl.m)
			break;

		if (pc_cant_act(sd))
			break;

		if (!pc_takeitem(sd, fitem))
			break;

		return;
	} while (0);
	// Client REQUIRES a fail packet or you can no longer pick items.
	clif_additem(sd,0,0,6);
}


/// Request to drop an item.
/// 00a2 <index>.W <amount>.W (CZ_ITEM_THROW)
/// 0363 <index>.W <amount>.W (CZ_ITEM_THROW2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_DropItem(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int item_index  = RFIFOW(fd,info->pos[0]) -2;
	int item_amount = RFIFOW(fd,info->pos[1]) ;

	for(;;) {
		if (pc_isdead(sd))
			break;

		if (pc_cant_act2(sd) || sd->npc_id)
			break;

		if (sd->sc.count && (
			sd->sc.data[SC_AUTOCOUNTER] ||
			sd->sc.data[SC_BLADESTOP] ||
			(sd->sc.data[SC_NOCHAT] && sd->sc.data[SC_NOCHAT]->val1&MANNER_NOITEM)
		))
			break;

		if (!pc_dropitem(sd, item_index, item_amount))
			break;

		if (battle_config.idletime_option&IDLE_DROPITEM)
			sd->idletime = last_tick;

		return;
	}

	//Because the client does not like being ignored.
	clif_dropitem(sd, item_index,0);
}


/// Request to use an item.
/// 00a7 <index>.W <account id>.L (CZ_USE_ITEM)
/// 0439 <index>.W <account id>.L (CZ_USE_ITEM2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_UseItem(int fd, struct map_session_data *sd)
{
	int n;

	if (pc_isdead(sd)) {
		clif_clearunit_area(&sd->bl, CLR_DEAD);
		return;
	}

	if ( (!sd->npc_id && pc_istrading(sd)) || sd->chatID || (sd->state.block_action & PCBLOCK_USEITEM) ) {
		clif_msg(sd, WORK_IN_PROGRESS);
		return;
	}

	//Whether the item is used or not is irrelevant, the char ain't idle. [Skotlex]
	if (battle_config.idletime_option&IDLE_USEITEM)
		sd->idletime = last_tick;
	n = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0])-2;

	if(n <0 || n >= MAX_INVENTORY)
		return;
	if (!pc_useitem(sd,n))
		clif_useitemack(sd,n,0,false); //Send an empty ack packet or the client gets stuck.
}


/// Request to equip an item
/// 00a9 <index>.W <position>.W (CZ_REQ_WEAR_EQUIP).
/// 0998 <index>.W <position>.L (CZ_REQ_WEAR_EQUIP_V5)
void clif_parse_EquipItem(int fd,struct map_session_data *sd)
{
	int index;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	if(pc_isdead(sd)) {
		clif_clearunit_area(&sd->bl,CLR_DEAD);
		return;
	}
	index = RFIFOW(fd,info->pos[0])-2;
	if (index < 0 || index >= MAX_INVENTORY)
		return; //Out of bounds check.

	if(sd->npc_id && !sd->npc_item_flag) {
		return;
	} else if (sd->state.storage_flag || sd->sc.opt1)
		; //You can equip/unequip stuff while storage is open/under status changes
	else if (pc_cant_act2(sd))
		return;

	if(!sd->inventory.u.items_inventory[index].identify) {
		clif_equipitemack(sd,index,0,ITEM_EQUIP_ACK_FAIL);	// fail
		return;
	}

	if(!sd->inventory_data[index])
		return;

	if(sd->inventory_data[index]->type == IT_PETARMOR){
		pet_equipitem(sd,index);
		return;
	}

	if (battle_config.idletime_option&IDLE_USEITEM)
		sd->idletime = last_tick;

	//Client doesn't send the position for ammo.
	if(sd->inventory_data[index]->type == IT_AMMO)
		pc_equipitem(sd,index,EQP_AMMO);
	else {
	int req_pos;

#if PACKETVER  >= 20120925
		req_pos = RFIFOL(fd,info->pos[1]);
#else
		req_pos = (int)RFIFOW(fd,info->pos[1]);
#endif
		pc_equipitem(sd,index,req_pos);
	}
}


/// Request to take off an equip (CZ_REQ_TAKEOFF_EQUIP).
/// 00ab <index>.W
void clif_parse_UnequipItem(int fd,struct map_session_data *sd)
{
	int index;

	if(pc_isdead(sd)) {
		clif_clearunit_area(&sd->bl,CLR_DEAD);
		return;
	}

	if (sd->npc_id && !sd->npc_item_flag) {
		return;
	} else if (sd->state.storage_flag || sd->sc.opt1)
		; //You can equip/unequip stuff while storage is open/under status changes
	else if (pc_cant_act2(sd))
		return;

	index = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0])-2;

	if (battle_config.idletime_option&IDLE_USEITEM)
		sd->idletime = last_tick;

	pc_unequipitem(sd,index,1);
}


/// Request to start a conversation with an NPC (CZ_CONTACTNPC).
/// 0090 <id>.L <type>.B
/// type:
///     1 = click
void clif_parse_NpcClicked(int fd,struct map_session_data *sd)
{
	struct block_list *bl;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	if(pc_isdead(sd)) {
		clif_clearunit_area(&sd->bl,CLR_DEAD);
		return;
	}

	if( pc_cant_act2(sd) || sd->npc_id || pc_hasprogress( sd, WIP_DISABLE_NPC ) ){
#ifdef RENEWAL
		clif_msg( sd, WORK_IN_PROGRESS );
#endif
		return;
	}

	if( sd->state.mail_writing )
		return;

	bl = map_id2bl(RFIFOL(fd,info->pos[0]));
	//type = RFIFOB(fd,info->pos[1]);
	if (!bl) return;
	switch (bl->type) {
		case BL_MOB:
		case BL_PC:
			clif_parse_ActionRequest_sub(sd, 0x07, bl->id, gettick());
			break;
		case BL_NPC:
#ifdef RENEWAL
			if (sd->ud.skill_id < RK_ENCHANTBLADE && sd->ud.skilltimer != INVALID_TIMER) { // Should only show an error message for non-3rd job skills with a running timer
				clif_msg(sd, WORK_IN_PROGRESS);
				break;
			}
#endif
			if( bl->m != -1 ){ // the user can't click floating npcs directly (hack attempt)
				struct npc_data* nd = (struct npc_data*)bl;

				// Progressbar is running
				if( nd->progressbar.timeout > 0 ){
					return;
				}

				npc_click(sd,nd);
			}
			break;
	}
}


/// Selection between buy/sell was made (CZ_ACK_SELECT_DEALTYPE).
/// 00c5 <id>.L <type>.B
/// type:
///     0 = buy
///     1 = sell
void clif_parse_NpcBuySellSelected(int fd,struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if (sd->state.trading)
		return;
	npc_buysellsel(sd,RFIFOL(fd,info->pos[0]),RFIFOB(fd,info->pos[1]));
}


/// Notification about the result of a purchase attempt from an NPC shop (ZC_PC_PURCHASE_RESULT).
/// 00ca <result>.B
/// result:
///     0 = "The deal has successfully completed."
///     1 = "You do not have enough zeny."
///     2 = "You are over your Weight Limit."
///     3 = "Out of the maximum capacity, you have too many items."
void clif_npc_buy_result(struct map_session_data* sd, unsigned char result)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xca));
	WFIFOW(fd,0) = 0xca;
	WFIFOB(fd,2) = result;
	WFIFOSET(fd,packet_len(0xca));
}


/// Request to buy chosen items from npc shop (CZ_PC_PURCHASE_ITEMLIST).
/// 00c8 <packet len>.W { <amount>.W <name id>.W }*
void clif_parse_NpcBuyListSend(int fd, struct map_session_data* sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	uint16 n = (RFIFOW(fd,info->pos[0])-4) /4;
	int result;

	if( sd->state.trading || !sd->npc_shopid )
		result = 1;
	else
		result = npc_buylist(sd, n, (struct s_npc_buy_list*)RFIFOP(fd,info->pos[1]));

	sd->npc_shopid = 0; //Clear shop data.
	clif_npc_buy_result(sd, result);
}


/// Notification about the result of a sell attempt to an NPC shop (ZC_PC_SELL_RESULT).
/// 00cb <result>.B
/// result:
///     0 = "The deal has successfully completed."
///     1 = "The deal has failed."
void clif_npc_sell_result(struct map_session_data* sd, unsigned char result)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xcb));
	WFIFOW(fd,0) = 0xcb;
	WFIFOB(fd,2) = result;
	WFIFOSET(fd,packet_len(0xcb));
}


/// Request to sell chosen items to npc shop (CZ_PC_SELL_ITEMLIST).
/// 00c9 <packet len>.W { <index>.W <amount>.W }*
void clif_parse_NpcSellListSend(int fd,struct map_session_data *sd)
{
	int fail=0,n;
	unsigned short *item_list;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	n = (RFIFOW(fd,info->pos[0])-4) /4; // (pktlen-(cmd+len))/listsize
	item_list = (unsigned short*)RFIFOP(fd,info->pos[1]);

	if (sd->state.trading || !sd->npc_shopid)
		fail = 1;
	else
		fail = npc_selllist(sd,n,item_list);

	sd->npc_shopid = 0; //Clear shop data.
	clif_npc_sell_result(sd, fail);
}


/// Chatroom creation request (CZ_CREATE_CHATROOM).
/// 00d5 <packet len>.W <limit>.W <type>.B <passwd>.8B <title>.?B
/// type:
///     0 = private
///     1 = public
void clif_parse_CreateChatRoom(int fd, struct map_session_data* sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int len = RFIFOW(fd,info->pos[0])-15;
	int limit = RFIFOW(fd,info->pos[1]);
	bool pub = (RFIFOB(fd,info->pos[2]) != 0);
	const char* password = RFIFOCP(fd,info->pos[3]); //not zero-terminated
	const char* title = RFIFOCP(fd,info->pos[4]); // not zero-terminated
	char s_password[CHATROOM_PASS_SIZE];
	char s_title[CHATROOM_TITLE_SIZE];

	if (sd->sc.data[SC_NOCHAT] && sd->sc.data[SC_NOCHAT]->val1&MANNER_NOROOM)
		return;
	if(battle_config.basic_skill_check && pc_checkskill(sd,NV_BASIC) < 4 && pc_checkskill(sd, SU_BASIC_SKILL) < 1) {
		clif_skill_fail(sd,1,USESKILL_FAIL_LEVEL,3);
		return;
	}

	if( npc_isnear(&sd->bl) ) {
		// uncomment to send msg_txt.
		//char output[150];
		//sprintf(output, msg_txt(662), battle_config.min_npc_vendchat_distance);
		//clif_displaymessage(sd->fd, output);
		clif_skill_fail(sd,1,USESKILL_FAIL_THERE_ARE_NPC_AROUND,0);
		return;
	}

	if( len <= 0 )
		return; // invalid input

	safestrncpy(s_password, password, CHATROOM_PASS_SIZE);
	safestrncpy(s_title, title, min(len+1,CHATROOM_TITLE_SIZE)); //NOTE: assumes that safestrncpy will not access the len+1'th byte

	chat_createpcchat(sd, s_title, s_password, limit, pub);
}


/// Chatroom join request (CZ_REQ_ENTER_ROOM).
/// 00d9 <chat ID>.L <passwd>.8B
void clif_parse_ChatAddMember(int fd, struct map_session_data* sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int chatid = RFIFOL(fd,info->pos[0]);
	const char* password = RFIFOCP(fd,info->pos[1]); // not zero-terminated

	chat_joinchat(sd,chatid,password);
}


/// Chatroom properties adjustment request (CZ_CHANGE_CHATROOM).
/// 00de <packet len>.W <limit>.W <type>.B <passwd>.8B <title>.?B
/// type:
///     0 = private
///     1 = public
void clif_parse_ChatRoomStatusChange(int fd, struct map_session_data* sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int len = RFIFOW(fd,info->pos[0])-15;
	int limit = RFIFOW(fd,info->pos[1]);
	bool pub = (RFIFOB(fd,info->pos[2]) != 0);
	const char* password = RFIFOCP(fd,info->pos[3]); // not zero-terminated
	const char* title = RFIFOCP(fd,info->pos[4]); // not zero-terminated
	char s_password[CHATROOM_PASS_SIZE];
	char s_title[CHATROOM_TITLE_SIZE];

	if( len <= 0 )
		return; // invalid input

	safestrncpy(s_password, password, CHATROOM_PASS_SIZE);
	safestrncpy(s_title, title, min(len+1,CHATROOM_TITLE_SIZE)); //NOTE: assumes that safestrncpy will not access the len+1'th byte

	chat_changechatstatus(sd, s_title, s_password, limit, pub);
}


/// Request to change the chat room ownership (CZ_REQ_ROLE_CHANGE).
/// 00e0 <role>.L <nick>.24B
/// role:
///     0 = owner
///     1 = normal
void clif_parse_ChangeChatOwner(int fd, struct map_session_data* sd)
{
	//int role = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	chat_changechatowner(sd,RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[1]));
}


/// Request to expel a player from chat room (CZ_REQ_EXPEL_MEMBER).
/// 00e2 <name>.24B
void clif_parse_KickFromChat(int fd,struct map_session_data *sd)
{
	chat_kickchat(sd,RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// Request to leave the current chatroom (CZ_EXIT_ROOM).
/// 00e3
void clif_parse_ChatLeave(int fd, struct map_session_data* sd)
{
	chat_leavechat(sd,0);
}


//Handles notifying asker and rejecter of what has just ocurred.
//Type is used to determine the correct msg_txt to use:
//0:
static void clif_noask_sub(struct map_session_data *sd, struct map_session_data *tsd, int type)
{
	const char* msg;
	char output[256];
	// Your request has been rejected by autoreject option.
	msg = msg_txt(sd,392);
	clif_messagecolor(&sd->bl, color_table[COLOR_LIGHT_GREEN], msg, false, SELF);
	//Notice that a request was rejected.
	snprintf(output, 256, msg_txt(tsd,393+type), sd->status.name, 256);
	clif_messagecolor(&tsd->bl, color_table[COLOR_LIGHT_GREEN], output, false, SELF);
}


/// Request to begin a trade (CZ_REQ_EXCHANGE_ITEM).
/// 00e4 <account id>.L
void clif_parse_TradeRequest(int fd,struct map_session_data *sd)
{
	struct map_session_data *t_sd;

	t_sd = map_id2sd(RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));

	if(!sd->chatID && pc_cant_act(sd))
		return; //You can trade while in a chatroom.

	if(t_sd){
		// @noask [LuzZza]
		if(t_sd->state.noask) {
			clif_noask_sub(sd, t_sd, 0);
			return;
		}

		if (t_sd->state.mail_writing) {
			int old = sd->trade_partner;

			// Fake trading
			sd->trade_partner = t_sd->status.account_id;
			clif_tradestart(sd, 5);
			// Restore old state
			sd->trade_partner = old;

			return;
		}
	}

	if( battle_config.basic_skill_check && pc_checkskill(sd,NV_BASIC) < 1 && pc_checkskill(sd, SU_BASIC_SKILL) < 1) {
		clif_skill_fail(sd,1,USESKILL_FAIL_LEVEL,0);
		return;
	}

	trade_traderequest(sd,t_sd);
}


/// Answer to a trade request (CZ_ACK_EXCHANGE_ITEM).
/// 00e6 <result>.B
/// result:
///     3 = accepted
///     4 = rejected
void clif_parse_TradeAck(int fd,struct map_session_data *sd)
{
	trade_tradeack(sd,RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// Request to add an item to current trade (CZ_ADD_EXCHANGE_ITEM).
/// 00e8 <index>.W <amount>.L
void clif_parse_TradeAddItem(int fd,struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	short index = RFIFOW(fd,info->pos[0]);
	int amount = RFIFOL(fd,info->pos[1]);

	if( index == 0 )
		trade_tradeaddzeny(sd, amount);
	else
		trade_tradeadditem(sd, index, (short)amount);
}


/// Request to lock items in current trade (CZ_CONCLUDE_EXCHANGE_ITEM).
/// 00eb
void clif_parse_TradeOk(int fd,struct map_session_data *sd)
{
	trade_tradeok(sd);
}


/// Request to cancel current trade (CZ_CANCEL_EXCHANGE_ITEM).
/// 00ed
void clif_parse_TradeCancel(int fd,struct map_session_data *sd)
{
	trade_tradecancel(sd);
}


/// Request to commit current trade (CZ_EXEC_EXCHANGE_ITEM).
/// 00ef
void clif_parse_TradeCommit(int fd,struct map_session_data *sd)
{
	trade_tradecommit(sd);
}


/// Request to stop chasing/attacking an unit (CZ_CANCEL_LOCKON).
/// 0118
void clif_parse_StopAttack(int fd,struct map_session_data *sd)
{
	pc_stop_attack(sd);
	if (sd) sd->ud.state.attack_continue = 0;
}


/// Request to move an item from inventory to cart (CZ_MOVE_ITEM_FROM_BODY_TO_CART).
/// 0126 <index>.W <amount>.L
void clif_parse_PutItemToCart(int fd,struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if (pc_istrading(sd))
		return;
	if (!pc_iscarton(sd))
		return;
	pc_putitemtocart(sd,RFIFOW(fd,info->pos[0])-2,RFIFOL(fd,info->pos[1]));
}


/// Request to move an item from cart to inventory (CZ_MOVE_ITEM_FROM_CART_TO_BODY).
/// 0127 <index>.W <amount>.L
void clif_parse_GetItemFromCart(int fd,struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if (!pc_iscarton(sd))
		return;
	pc_getitemfromcart(sd,RFIFOW(fd,info->pos[0])-2,RFIFOL(fd,info->pos[1]));
}


/// Request to remove cart/falcon/peco/dragon/mado (CZ_REQ_CARTOFF).
/// 012a
void clif_parse_RemoveOption(int fd,struct map_session_data *sd)
{
	if( !(sd->sc.option&(OPTION_RIDING|OPTION_FALCON|OPTION_DRAGON|OPTION_MADOGEAR))
#ifdef NEW_CARTS
		&& sd->sc.data[SC_PUSH_CART] )
		pc_setcart(sd,0);
#else
		)
		pc_setoption(sd,sd->sc.option&~OPTION_CART);
#endif
	else  // priority to remove this option before we can clear cart
		pc_setoption(sd,sd->sc.option&~(OPTION_RIDING|OPTION_FALCON|OPTION_DRAGON|OPTION_MADOGEAR));
}


/// Request to select cart's visual look for new cart design (ZC_SELECTCART).
/// 097f <Length>.W <identity>.L <type>.B
void clif_SelectCart(struct map_session_data *sd) {
#if PACKETVER >= 20150826
	int i = 0, carts = 3;

	int fd = sd->fd;
	WFIFOHEAD(fd,8 + carts);
	WFIFOW(fd,0) = 0x97f;
	WFIFOW(fd,2) = 8 + carts;
	WFIFOL(fd,4) = sd->status.account_id;
	// Right now we have 10-12, tested it you can also enable selection for all cart styles here(1-12)
	for( i = 0; i < carts; i++ ) {
	WFIFOB(fd,8 + i) = 10 + i;
	}
	WFIFOSET(fd,8 + carts);
#endif
}


/// Request to select cart's visual look for new cart design (CZ_SELECTCART).
/// 0980 <identity>.L <type>.B
void clif_parse_SelectCart(int fd,struct map_session_data *sd) {
#if PACKETVER >= 20150826
	int type;

	// Check identity
	if( !sd || pc_checkskill(sd,MC_CARTDECORATE) < 1 || RFIFOL(fd,2) != sd->status.account_id )
	return;

	type = (int)RFIFOB(fd,6);

	// Check type
	if( type < 10 || type > MAX_CARTS ) 
		return;

	pc_setcart(sd, type);
#endif
}


/// Request to change cart's visual look (CZ_REQ_CHANGECART).
/// 01af <num>.W
void clif_parse_ChangeCart(int fd,struct map_session_data *sd)
{// TODO: State tracking?
	int type;

	if( !sd || pc_checkskill(sd, MC_CHANGECART) < 1 )
		return;

#ifdef RENEWAL
	if (sd->npc_id || pc_hasprogress(sd, WIP_DISABLE_SKILLITEM)) {
		clif_msg(sd, WORK_IN_PROGRESS);
		return;
	}
#endif

	type = (int)RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]);

	if( 
#ifdef NEW_CARTS
		(type == 9 && sd->status.base_level > 130) ||
		(type == 8 && sd->status.base_level > 120) ||
		(type == 7 && sd->status.base_level > 110) ||
		(type == 6 && sd->status.base_level > 100) ||
#endif
		(type == 5 && sd->status.base_level > 90) ||
	    (type == 4 && sd->status.base_level > 80) ||
	    (type == 3 && sd->status.base_level > 65) ||
	    (type == 2 && sd->status.base_level > 40) ||
	    (type == 1))
		pc_setcart(sd, type);
}


/// Request to increase status (CZ_STATUS_CHANGE).
/// 00bb <status id>.W <amount>.B
/// status id:
///     SP_STR ~ SP_LUK
/// amount:
///     Old clients always send 1 for this, even when using /str+ and the like.
///     Newer clients (2013-12-23 and newer) send the correct amount.
void clif_parse_StatusUp(int fd,struct map_session_data *sd)
{
	int increase_amount = RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[1]);

	if( increase_amount < 0 ) {
		ShowDebug("clif_parse_StatusUp: Negative 'increase' value sent by client! (fd: %d, value: %d)\n",
			fd, increase_amount);
	}
	pc_statusup(sd,RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]),increase_amount);
}


/// Request to increase level of a skill (CZ_UPGRADE_SKILLLEVEL).
/// 0112 <skill id>.W
void clif_parse_SkillUp(int fd,struct map_session_data *sd)
{
	pc_skillup(sd,RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}

static void clif_parse_UseSkillToId_homun(struct homun_data *hd, struct map_session_data *sd, t_tick tick, uint16 skill_id, uint16 skill_lv, int target_id)
{
	int lv;

	if( !hd )
		return;
	if( skill_isNotOk_hom(hd, skill_id, skill_lv) ) {
		clif_emotion(&hd->bl, ET_THINK);
		return;
	}
	if( hd->bl.id != target_id && skill_get_inf(skill_id)&INF_SELF_SKILL )
		target_id = hd->bl.id;
	if( hd->ud.skilltimer != INVALID_TIMER ) {
		if( skill_id != SA_CASTCANCEL && skill_id != SO_SPELLFIST ) return;
	} else if( DIFF_TICK(tick, hd->ud.canact_tick) < 0 ) {
		clif_emotion(&hd->bl, ET_THINK);
		if (hd->master)
			clif_skill_fail(hd->master, skill_id, USESKILL_FAIL_SKILLINTERVAL, 0);
		return;
	}

	lv = hom_checkskill(hd, skill_id);
	if( skill_lv > lv )
		skill_lv = lv;
	if( skill_lv )
		unit_skilluse_id(&hd->bl, target_id, skill_id, skill_lv);
}

static void clif_parse_UseSkillToPos_homun(struct homun_data *hd, struct map_session_data *sd, t_tick tick, uint16 skill_id, uint16 skill_lv, short x, short y, int skillmoreinfo)
{
	int lv;
	if( !hd )
		return;
	if( skill_isNotOk_hom(hd, skill_id, skill_lv) ) {
		clif_emotion(&hd->bl, ET_THINK);
		return;
	}
	if( hd->ud.skilltimer != INVALID_TIMER ) {
		if( skill_id != SA_CASTCANCEL && skill_id != SO_SPELLFIST ) return;
	} else if( DIFF_TICK(tick, hd->ud.canact_tick) < 0 ) {
		clif_emotion(&hd->bl, ET_THINK);
		if (hd->master)
			clif_skill_fail(hd->master, skill_id, USESKILL_FAIL_SKILLINTERVAL, 0);
		return;
	}

	if( hd->sc.data[SC_BASILICA] )
		return;
	lv = hom_checkskill(hd, skill_id);
	if( skill_lv > lv )
		skill_lv = lv;
	if( skill_lv )
		unit_skilluse_pos(&hd->bl, x, y, skill_id, skill_lv);
}

static void clif_parse_UseSkillToId_mercenary(struct mercenary_data *md, struct map_session_data *sd, t_tick tick, uint16 skill_id, uint16 skill_lv, int target_id)
{
	int lv;

	if( !md )
		return;
	if( skill_isNotOk_mercenary(skill_id, md) )
		return;
	if( md->bl.id != target_id && skill_get_inf(skill_id)&INF_SELF_SKILL )
		target_id = md->bl.id;
	if( md->ud.skilltimer != INVALID_TIMER )
	{
		if( skill_id != SA_CASTCANCEL && skill_id != SO_SPELLFIST ) return;
	}
	else if( DIFF_TICK(tick, md->ud.canact_tick) < 0 )
		return;

	lv = mercenary_checkskill(md, skill_id);
	if( skill_lv > lv )
		skill_lv = lv;
	if( skill_lv )
		unit_skilluse_id(&md->bl, target_id, skill_id, skill_lv);
}

static void clif_parse_UseSkillToPos_mercenary(struct mercenary_data *md, struct map_session_data *sd, t_tick tick, uint16 skill_id, uint16 skill_lv, short x, short y, int skillmoreinfo)
{
	int lv;
	if( !md )
		return;
	if( skill_isNotOk_mercenary(skill_id, md) )
		return;
	if( md->ud.skilltimer != INVALID_TIMER )
		return;
	if( DIFF_TICK(tick, md->ud.canact_tick) < 0 )
	{
		if (md->master)
			clif_skill_fail(md->master, skill_id, USESKILL_FAIL_SKILLINTERVAL, 0);
		return;
	}

	if( md->sc.data[SC_BASILICA] )
		return;
	lv = mercenary_checkskill(md, skill_id);
	if( skill_lv > lv )
		skill_lv = lv;
	if( skill_lv )
		unit_skilluse_pos(&md->bl, x, y, skill_id, skill_lv);
}

void clif_parse_skill_toid( struct map_session_data* sd, uint16 skill_id, uint16 skill_lv, int target_id ){
	t_tick tick = gettick();

	if( skill_lv < 1 ) skill_lv = 1; //No clue, I have seen the client do this with guild skills :/ [Skotlex]

	int inf = skill_get_inf(skill_id);
	if (inf&INF_GROUND_SKILL || !inf)
		return; //Using a ground/passive skill on a target? WRONG.

	if (sd->state.block_action & PCBLOCK_SKILL) {
		clif_msg(sd, WORK_IN_PROGRESS);
		return;
	}

	if( SKILL_CHK_HOMUN(skill_id) ) {
		clif_parse_UseSkillToId_homun(sd->hd, sd, tick, skill_id, skill_lv, target_id);
		return;
	}

	if( SKILL_CHK_MERC(skill_id) ) {
		clif_parse_UseSkillToId_mercenary(sd->md, sd, tick, skill_id, skill_lv, target_id);
		return;
	}

	// Whether skill fails or not is irrelevant, the char ain't idle. [Skotlex]
	// This is done here, because homunculi and mercenaries can be triggered by AI and not by the player itself
	if (battle_config.idletime_option&IDLE_USESKILLTOID)
		sd->idletime = last_tick;

	if( sd->npc_id ){
		if( pc_hasprogress( sd, WIP_DISABLE_SKILLITEM ) || !sd->npc_item_flag || !( inf & INF_SELF_SKILL ) ){
#ifdef RENEWAL
			clif_msg( sd, WORK_IN_PROGRESS );
#endif
			return;
		}
	}

	if ((pc_cant_act2(sd) || sd->chatID) && 
		skill_id != RK_REFRESH && 
		!( ( skill_id == SR_GENTLETOUCH_CURE || skill_id == SU_GROOMING ) && (sd->sc.opt1 == OPT1_STONE || sd->sc.opt1 == OPT1_FREEZE || sd->sc.opt1 == OPT1_STUN)) &&
		!(sd->state.storage_flag && (inf&INF_SELF_SKILL))) //SELF skills can be used with the storage open, issue: 8027
		return;

	if( pc_issit(sd) )
		return;

	if( skill_isNotOk(skill_id, sd) )
		return;

	if( sd->bl.id != target_id && inf&INF_SELF_SKILL )
		target_id = sd->bl.id; // never trust the client

	if( target_id < 0 && -target_id == sd->bl.id ) // for disguises [Valaris]
		target_id = sd->bl.id;

	if( sd->ud.skilltimer != INVALID_TIMER ) {
		if( skill_id != SA_CASTCANCEL && skill_id != SO_SPELLFIST )
			return;
	} else if( DIFF_TICK(tick, sd->ud.canact_tick) < 0 ) {
		if( sd->skillitem != skill_id ) {
			clif_skill_fail(sd, skill_id, USESKILL_FAIL_SKILLINTERVAL, 0);
			return;
		}
	}

	if( sd->sc.option&OPTION_COSTUME )
		return;

	if( sd->sc.data[SC_BASILICA] && (skill_id != HP_BASILICA || sd->sc.data[SC_BASILICA]->val4 != sd->bl.id) )
		return; // On basilica only caster can use Basilica again to stop it.

	if( sd->menuskill_id ) {
		if( sd->menuskill_id == SA_TAMINGMONSTER ) {
			clif_menuskill_clear(sd); //Cancel pet capture.
		} else if( sd->menuskill_id != SA_AUTOSPELL )
			return; //Can't use skills while a menu is open.
	}

	if( sd->skillitem == skill_id ) {
		if( skill_lv != sd->skillitemlv )
			skill_lv = sd->skillitemlv;
		if( !(inf&INF_SELF_SKILL) )
			pc_delinvincibletimer(sd); // Target skills thru items cancel invincibility. [Inkfish]
		unit_skilluse_id(&sd->bl, target_id, skill_id, skill_lv);
		return;
	}
	sd->skillitem = sd->skillitemlv = 0;

	if( SKILL_CHK_GUILD(skill_id) ) {
		if( sd->state.gmaster_flag )
			skill_lv = guild_checkskill(sd->guild, skill_id);
		else
			skill_lv = 0;
	} else {
		if( skill_id != ALL_EQSWITCH ){
			skill_lv = min(pc_checkskill(sd, skill_id),skill_lv); //never trust client
		}
	}

	pc_delinvincibletimer(sd);

	if( skill_lv )
		unit_skilluse_id(&sd->bl, target_id, skill_id, skill_lv);
}


/// Request to use a targeted skill.
/// 0113 <skill lv>.W <skill id>.W <target id>.L (CZ_USE_SKILL)
/// 0438 <skill lv>.W <skill id>.W <target id>.L (CZ_USE_SKILL2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_UseSkillToId( int fd, struct map_session_data *sd ){
	struct s_packet_db* info = &packet_db[RFIFOW(fd, 0)];

	clif_parse_skill_toid( sd, RFIFOW(fd, info->pos[1]), RFIFOW(fd, info->pos[0]), RFIFOL(fd, info->pos[2]) );
}

/*==========================================
 * Client tells server he'd like to use AoE skill id 'skill_id' of level 'skill_lv' on 'x','y' location
 *------------------------------------------*/
static void clif_parse_UseSkillToPosSub(int fd, struct map_session_data *sd, uint16 skill_lv, uint16 skill_id, short x, short y, int skillmoreinfo)
{
	t_tick tick = gettick();

	if( !(skill_get_inf(skill_id)&INF_GROUND_SKILL) )
		return; //Using a target skill on the ground? WRONG.

	if (sd->state.block_action & PCBLOCK_SKILL) {
		clif_msg(sd, WORK_IN_PROGRESS);
		return;
	}

	if( SKILL_CHK_HOMUN(skill_id) ) {
		clif_parse_UseSkillToPos_homun(sd->hd, sd, tick, skill_id, skill_lv, x, y, skillmoreinfo);
		return;
	}

	if( SKILL_CHK_MERC(skill_id) ) {
		clif_parse_UseSkillToPos_mercenary(sd->md, sd, tick, skill_id, skill_lv, x, y, skillmoreinfo);
		return;
	}

	if( pc_hasprogress( sd, WIP_DISABLE_SKILLITEM ) ){
#ifdef RENEWAL
		clif_msg( sd, WORK_IN_PROGRESS );
#endif
		return;
	}

	//Whether skill fails or not is irrelevant, the char ain't idle. [Skotlex]
	if (battle_config.idletime_option&IDLE_USESKILLTOPOS)
		sd->idletime = last_tick;

	if( skill_isNotOk(skill_id, sd) )
		return;
	if( skillmoreinfo != -1 ) {
		if( pc_issit(sd) ) {
			clif_skill_fail(sd, skill_id, USESKILL_FAIL_LEVEL, 0);
			return;
		}
		//You can't use Graffiti/TalkieBox AND have a vending open, so this is safe.
		safestrncpy(sd->message, RFIFOCP(fd,skillmoreinfo), MESSAGE_SIZE);
	}

	if( sd->ud.skilltimer != INVALID_TIMER )
		return;

	if( DIFF_TICK(tick, sd->ud.canact_tick) < 0 ) {
		if( sd->skillitem != skill_id ) {
			clif_skill_fail(sd, skill_id, USESKILL_FAIL_SKILLINTERVAL, 0);
			return;
		}
	}

	if( sd->sc.option&OPTION_COSTUME )
		return;

	if( sd->sc.data[SC_BASILICA] && (skill_id != HP_BASILICA || sd->sc.data[SC_BASILICA]->val4 != sd->bl.id) )
		return; // On basilica only caster can use Basilica again to stop it.

	if( sd->menuskill_id ) {
		if( sd->menuskill_id == SA_TAMINGMONSTER ) {
			clif_menuskill_clear(sd); //Cancel pet capture.
		} else if( sd->menuskill_id != SA_AUTOSPELL )
			return; //Can't use skills while a menu is open.
	}

	pc_delinvincibletimer(sd);

	if( sd->skillitem == skill_id ) {
		if( skill_lv != sd->skillitemlv )
			skill_lv = sd->skillitemlv;
		unit_skilluse_pos(&sd->bl, x, y, skill_id, skill_lv);
	} else {
		int lv;
		sd->skillitem = sd->skillitemlv = 0;
		if( (lv = pc_checkskill(sd, skill_id)) > 0 ) {
			if( skill_lv > lv )
				skill_lv = lv;
			unit_skilluse_pos(&sd->bl, x, y, skill_id,skill_lv);
		}
	}
}


/// Request to use a ground skill.
/// 0116 <skill lv>.W <skill id>.W <x>.W <y>.W (CZ_USE_SKILL_TOGROUND)
/// 0366 <skill lv>.W <skill id>.W <x>.W <y>.W (CZ_USE_SKILL_TOGROUND2)
/// 0AF4 <skill lv>.W <skill id>.W <x>.W <y>.W <unknown>.B (CZ_USE_SKILL_TOGROUND3)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_UseSkillToPos(int fd, struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if (pc_cant_act(sd))
		return;
	if (pc_issit(sd))
		return;

	clif_parse_UseSkillToPosSub(fd, sd,
		RFIFOW(fd,info->pos[0]), //skill lv
		RFIFOW(fd,info->pos[1]), //skill num
		RFIFOW(fd,info->pos[2]), //pos x
		RFIFOW(fd,info->pos[3]), //pos y
		// TODO: find out what this is intended to do
		//RFIFOB(fd, info->pos[4])
		-1	//Skill more info.
	);
}


/// Request to use a ground skill with text.
/// 0190 <skill lv>.W <skill id>.W <x>.W <y>.W <contents>.80B (CZ_USE_SKILL_TOGROUND_WITHTALKBOX)
/// 0367 <skill lv>.W <skill id>.W <x>.W <y>.W <contents>.80B (CZ_USE_SKILL_TOGROUND_WITHTALKBOX2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_UseSkillToPosMoreInfo(int fd, struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if (pc_cant_act(sd))
		return;
	if (pc_issit(sd))
		return;

	clif_parse_UseSkillToPosSub(fd, sd,
		RFIFOW(fd,info->pos[0]), //Skill lv
		RFIFOW(fd,info->pos[1]), //Skill num
		RFIFOW(fd,info->pos[2]), //pos x
		RFIFOW(fd,info->pos[3]), //pos y
		info->pos[4] //skill more info
	);
}


/// Answer to map selection dialog (CZ_SELECT_WARPPOINT).
/// 011b <skill id>.W <map name>.16B
void clif_parse_UseSkillMap(int fd, struct map_session_data* sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	uint16 skill_id = RFIFOW(fd,info->pos[0]);
	char map_name[MAP_NAME_LENGTH];

	mapindex_getmapname(RFIFOCP(fd,info->pos[1]), map_name);
	sd->state.workinprogress = WIP_DISABLE_NONE;

	if(skill_id != sd->menuskill_id)
		return;

	//It is possible to use teleport with the storage window open bugreport:8027
	if (pc_cant_act(sd) && !sd->state.storage_flag && skill_id != AL_TELEPORT) {
		clif_menuskill_clear(sd);
		return;
	}

	pc_delinvincibletimer(sd);
	skill_castend_map(sd,skill_id,map_name);
}


/// Request to set a memo on current map (CZ_REMEMBER_WARPPOINT).
/// 011d
void clif_parse_RequestMemo(int fd,struct map_session_data *sd)
{
	if (!pc_isdead(sd))
		pc_memo(sd,-1);
}


/// Answer to pharmacy item selection dialog (CZ_REQMAKINGITEM).
/// 018e <name id>.W { <material id>.W }*3
void clif_parse_ProduceMix(int fd,struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	unsigned short nameid = RFIFOW(fd,info->pos[0]);
	int slot1  = RFIFOW(fd,info->pos[1]);
	int slot2  = RFIFOW(fd,info->pos[2]);
	int slot3  = RFIFOW(fd,info->pos[3]);
	short produce_idx = -1;

	switch( sd->menuskill_id ) {
		case -1:
		case AM_PHARMACY:
		case RK_RUNEMASTERY:
		case GC_RESEARCHNEWPOISON:
			break;
		default:
			return;
	}
	if (pc_istrading(sd)) {
		//Make it fail to avoid shop exploits where you sell something different than you see.
		clif_skill_fail(sd,sd->ud.skill_id,USESKILL_FAIL_LEVEL,0);
		clif_menuskill_clear(sd);
		return;
	}
	if( (produce_idx = skill_can_produce_mix(sd,nameid,sd->menuskill_val, 1)) )
		skill_produce_mix(sd,0,nameid,slot1,slot2,slot3,1,produce_idx-1);
	clif_menuskill_clear(sd);
}


/// Answer to mixing item selection dialog (CZ_REQ_MAKINGITEM).
/// 025b <mk type>.W <name id>.W
/// mk type:
///     1 = cooking
///     2 = arrow
///     3 = elemental
///     4 = GN_MIX_COOKING
///     5 = GN_MAKEBOMB
///     6 = GN_S_PHARMACY
void clif_parse_Cooking(int fd,struct map_session_data *sd) {
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int type = RFIFOW(fd,info->pos[0]);
	unsigned short nameid = RFIFOW(fd,info->pos[1]);
	int amount = sd->menuskill_val2 ? sd->menuskill_val2 : 1;
	short food_idx = -1;

	if( type == 6 && sd->menuskill_id != GN_MIX_COOKING && sd->menuskill_id != GN_S_PHARMACY )
		return;

	if (pc_istrading(sd)) {
		//Make it fail to avoid shop exploits where you sell something different than you see.
		clif_skill_fail(sd,sd->ud.skill_id,USESKILL_FAIL_LEVEL,0);
		clif_menuskill_clear(sd);
		return;
	}
	if( (food_idx = skill_can_produce_mix(sd,nameid,sd->menuskill_val, amount)) )
		skill_produce_mix(sd,(type>1?sd->menuskill_id:0),nameid,0,0,0,amount,food_idx-1);
	clif_menuskill_clear(sd);
}


/// Answer to repair weapon item selection dialog
/// 01fd <index> W (CZ_REQ_ITEMREPAIR)
/// 01fd <index>.W <name id>.W <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W ???
void clif_parse_RepairItem(int fd, struct map_session_data *sd)
{
	if (sd->menuskill_id != BS_REPAIRWEAPON)
		return;
	if (pc_istrading(sd)) {
		//Make it fail to avoid shop exploits where you sell something different than you see.
		clif_skill_fail(sd,sd->ud.skill_id,USESKILL_FAIL_LEVEL,0);
		clif_menuskill_clear(sd);
		return;
	}
	skill_repairweapon(sd,RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]));
	//nameid = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[1]);
	//refine = RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[2]);
	//for(i = 0; i<MAX_SLOTS; i++)
	//	card[i] = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[3+i]);
	clif_menuskill_clear(sd);
}


/// Answer to refine weapon item selection dialog (CZ_REQ_WEAPONREFINE).
/// 0222 <index>.L
void clif_parse_WeaponRefine(int fd, struct map_session_data *sd)
{
	int idx;

	if (sd->menuskill_id != WS_WEAPONREFINE) //Packet exploit?
		return;
	if (pc_istrading(sd)) {
		//Make it fail to avoid shop exploits where you sell something different than you see.
		clif_skill_fail(sd,sd->ud.skill_id,USESKILL_FAIL_LEVEL,0);
		clif_menuskill_clear(sd);
		return;
	}
	idx = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	skill_weaponrefine(sd, idx-2);
	clif_menuskill_clear(sd);
}


/// Answer to script menu dialog (CZ_CHOOSE_MENU).
/// 00b8 <npc id>.L <choice>.B
/// choice:
///     1~254 = menu item
///     255   = cancel
/// NOTE: If there were more than 254 items in the list, choice
///     overflows to choice%256.
void clif_parse_NpcSelectMenu(int fd,struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int npc_id = RFIFOL(fd,info->pos[0]);
	uint8 select = RFIFOB(fd,info->pos[1]);

	if( (select > sd->npc_menu && select != 0xff) || select == 0 ) {
#ifdef SECURE_NPCTIMEOUT
		if( sd->npc_idle_timer != INVALID_TIMER ) {
#endif
			TBL_NPC* nd = map_id2nd(npc_id);
			ShowWarning("Invalid menu selection on npc %d:'%s' - got %d, valid range is [%d..%d] (player AID:%d, CID:%d, name:'%s')!\n", npc_id, (nd)?nd->name:"invalid npc id", select, 1, sd->npc_menu, sd->bl.id, sd->status.char_id, sd->status.name);
			clif_GM_kick(NULL,sd);
#ifdef SECURE_NPCTIMEOUT
		}
#endif
		return;
	}

	sd->npc_menu = select;
	npc_scriptcont(sd,npc_id, false);
}


/// NPC dialog 'next' click (CZ_REQ_NEXT_SCRIPT).
/// 00b9 <npc id>.L
void clif_parse_NpcNextClicked(int fd,struct map_session_data *sd)
{
	npc_scriptcont(sd,RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]), false);
}


/// NPC numeric input dialog value (CZ_INPUT_EDITDLG).
/// 0143 <npc id>.L <value>.L
void clif_parse_NpcAmountInput(int fd,struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int npcid = RFIFOL(fd,info->pos[0]);
	int amount = (int)RFIFOL(fd,info->pos[1]);

	sd->npc_amount = amount;
	npc_scriptcont(sd, npcid, false);
}


/// NPC text input dialog value (CZ_INPUT_EDITDLGSTR).
/// 01d5 <packet len>.W <npc id>.L <string>.?B
void clif_parse_NpcStringInput(int fd, struct map_session_data* sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int message_len = RFIFOW(fd,info->pos[0])-8;
	int npcid = RFIFOL(fd,info->pos[1]);
	const char* message = RFIFOCP(fd,info->pos[2]);

	if( message_len <= 0 )
		return; // invalid input

#if PACKETVER >= 20151001
	message_len++;
#endif

	safestrncpy(sd->npc_str, message, min(message_len,CHATBOX_SIZE));
	npc_scriptcont(sd, npcid, false);
}


/// NPC dialog 'close' click (CZ_CLOSE_DIALOG).
/// 0146 <npc id>.L
void clif_parse_NpcCloseClicked(int fd,struct map_session_data *sd)
{
	if (!sd->npc_id) //Avoid parsing anything when the script was done with. [Skotlex]
		return;
	npc_scriptcont(sd, RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]), true);
}


/// Answer to identify item selection dialog (CZ_REQ_ITEMIDENTIFY).
/// 0178 <index>.W
/// index:
///     -1 = cancel
void clif_parse_ItemIdentify(int fd,struct map_session_data *sd) {
	short idx = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]) - 2;

	if (sd->menuskill_id != MC_IDENTIFY)
		return;

	// Ignore the request
	// - Invalid item index
	// - Invalid item ID or item doesn't exist
	// - Item is already identified
	if (idx < 0 || idx >= MAX_INVENTORY ||
		sd->inventory.u.items_inventory[idx].nameid <= 0 || sd->inventory_data[idx] == NULL ||
		sd->inventory.u.items_inventory[idx].identify) {// cancel pressed
			sd->state.workinprogress = WIP_DISABLE_NONE;
			clif_menuskill_clear(sd);
			return;
	}

	skill_identify(sd, idx);
	clif_menuskill_clear(sd);
}


/// Answer to arrow crafting item selection dialog (CZ_REQ_MAKINGARROW).
/// 01ae <name id>.W
void clif_parse_SelectArrow(int fd,struct map_session_data *sd) {
	unsigned short nameid = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	if (pc_istrading(sd)) {
		//Make it fail to avoid shop exploits where you sell something different than you see.
		clif_skill_fail(sd,sd->ud.skill_id,USESKILL_FAIL_LEVEL,0);
		clif_menuskill_clear(sd);
		return;
	}
	switch (sd->menuskill_id) {
		case AC_MAKINGARROW:
			skill_arrow_create(sd,nameid);
			break;
		case SA_CREATECON:
			skill_produce_mix(sd,SA_CREATECON,nameid,0,0,0,1,-1);
			break;
		case WL_READING_SB:
			skill_spellbook(sd,nameid);
			break;
		case GC_POISONINGWEAPON:
			skill_poisoningweapon(sd,nameid);
			break;
		case NC_MAGICDECOY:
			skill_magicdecoy(sd,nameid);
			break;
	}

	clif_menuskill_clear(sd);
}


/// Answer to SA_AUTOSPELL skill selection dialog (CZ_SELECTAUTOSPELL).
/// 01ce <skill id>.L
void clif_parse_AutoSpell(int fd,struct map_session_data *sd)
{
	if (sd->menuskill_id != SA_AUTOSPELL)
		return;
	sd->state.workinprogress = WIP_DISABLE_NONE;
	skill_autospell(sd,RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));
	clif_menuskill_clear(sd);
}


/// Request to display item carding/composition list (CZ_REQ_ITEMCOMPOSITION_LIST).
/// 017a <card index>.W
void clif_parse_UseCard(int fd,struct map_session_data *sd)
{
	if (sd->state.trading != 0)
		return;
	clif_use_card(sd,RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0])-2);
}


/// Answer to carding/composing item selection dialog (CZ_REQ_ITEMCOMPOSITION).
/// 017c <card index>.W <equip index>.W
void clif_parse_InsertCard(int fd,struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if (sd->state.trading != 0)
		return;
	pc_insert_card(sd,RFIFOW(fd,info->pos[0])-2,RFIFOW(fd,info->pos[1])-2);
}


/// Request of character's name by char ID.
/// 0193 <char id>.L (CZ_REQNAME_BYGID)
/// 0369 <char id>.L (CZ_REQNAME_BYGID2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_SolveCharName(int fd, struct map_session_data *sd)
{
	int charid;

	charid = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	map_reqnickdb(sd, charid);
}


/// /resetskill /resetstate (CZ_RESET).
/// Request to reset stats or skills.
/// 0197 <type>.W
/// type:
///     0 = state
///     1 = skill
void clif_parse_ResetChar(int fd, struct map_session_data *sd) {
	char cmd[15];

	if( RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]) )
		safesnprintf(cmd,sizeof(cmd),"%cresetskill",atcommand_symbol);
	else
		safesnprintf(cmd,sizeof(cmd),"%cresetstat",atcommand_symbol);

	is_atcommand(fd, sd, cmd, 1);
}


/// /lb /nlb (CZ_LOCALBROADCAST).
/// Request to broadcast a message on current map.
/// 019c <packet len>.W <text>.?B
void clif_parse_LocalBroadcast(int fd, struct map_session_data* sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	char command[CHAT_SIZE_MAX+16];
	unsigned int len = RFIFOW(fd,info->pos[0])-4;
	char* msg = RFIFOCP(fd,info->pos[1]);

	// as the length varies depending on the command used, just block unreasonably long strings
	mes_len_check(msg, len, CHAT_SIZE_MAX);

	safesnprintf(command,sizeof(command),"%clkami %s", atcommand_symbol, msg);
	is_atcommand(fd, sd, command, 1);
}


/// Request to move an item from inventory to storage.
/// 00f3 <index>.W <amount>.L (CZ_MOVE_ITEM_FROM_BODY_TO_STORE)
/// 0364 <index>.W <amount>.L (CZ_MOVE_ITEM_FROM_BODY_TO_STORE2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_MoveToKafra(int fd, struct map_session_data *sd)
{
	int item_index, item_amount;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	if (pc_istrading(sd))
		return;

	item_index = RFIFOW(fd,info->pos[0])-2;
	item_amount = RFIFOL(fd,info->pos[1]);
	if (item_index < 0 || item_index >= MAX_INVENTORY || item_amount < 1)
		return;
	if( sd->inventory.u.items_inventory[item_index].equipSwitch ){
		clif_msg( sd, C_ITEM_EQUIP_SWITCH );
		return;
	}

	if (sd->state.storage_flag == 1)
		storage_storageadd(sd, &sd->storage, item_index, item_amount);
	else
	if (sd->state.storage_flag == 2)
		storage_guild_storageadd(sd, item_index, item_amount);
	else if (sd->state.storage_flag == 3)
		storage_storageadd(sd, &sd->premiumStorage, item_index, item_amount);
}


/// Request to move an item from storage to inventory.
/// 00f5 <index>.W <amount>.L (CZ_MOVE_ITEM_FROM_STORE_TO_BODY)
/// 0365 <index>.W <amount>.L (CZ_MOVE_ITEM_FROM_STORE_TO_BODY2)
/// There are various variants of this packet, some of them have padding between fields.
void clif_parse_MoveFromKafra(int fd,struct map_session_data *sd)
{
	int item_index, item_amount;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	item_index = RFIFOW(fd,info->pos[0])-1;
	item_amount = RFIFOL(fd,info->pos[1]);

	if (sd->state.storage_flag == 1)
		storage_storageget(sd, &sd->storage, item_index, item_amount);
	else if(sd->state.storage_flag == 2)
		storage_guild_storageget(sd, item_index, item_amount);
	else if(sd->state.storage_flag == 3)
		storage_storageget(sd, &sd->premiumStorage, item_index, item_amount);
}


/// Request to move an item from cart to storage (CZ_MOVE_ITEM_FROM_CART_TO_STORE).
/// 0129 <index>.W <amount>.L
void clif_parse_MoveToKafraFromCart(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	int idx = RFIFOW(fd,info->pos[0]) - 2;
	int amount = RFIFOL(fd,info->pos[1]);

	if( sd->state.vending )
		return;
	if (!pc_iscarton(sd))
		return;

	if (idx < 0 || idx >= MAX_INVENTORY || amount < 1)
		return;
	if( sd->inventory.u.items_inventory[idx].equipSwitch ){
		clif_msg( sd, C_ITEM_EQUIP_SWITCH );
		return;
	}

	if (sd->state.storage_flag == 1)
		storage_storageaddfromcart(sd, &sd->storage, idx, amount);
	else if (sd->state.storage_flag == 2)
		storage_guild_storageaddfromcart(sd, idx, amount);
	else if (sd->state.storage_flag == 3)
		storage_storageaddfromcart(sd, &sd->premiumStorage, idx, amount);
}


/// Request to move an item from storage to cart (CZ_MOVE_ITEM_FROM_STORE_TO_CART).
/// 0128 <index>.W <amount>.L
void clif_parse_MoveFromKafraToCart(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int idx = RFIFOW(fd,info->pos[0]) - 1;
	int amount = RFIFOL(fd,info->pos[1]);

	if( sd->state.vending )
		return;
	if (!pc_iscarton(sd))
		return;

	if (sd->state.storage_flag == 1)
		storage_storagegettocart(sd, &sd->storage, idx, amount);
	else
	if (sd->state.storage_flag == 2)
		storage_guild_storagegettocart(sd, idx, amount);
	else if (sd->state.storage_flag == 3)
		storage_storagegettocart(sd, &sd->premiumStorage, idx, amount);
}


/// Request to close storage (CZ_CLOSE_STORE).
/// 00f7
void clif_parse_CloseKafra(int fd, struct map_session_data *sd)
{
	if( sd->state.storage_flag == 1 )
		storage_storageclose(sd);
	else
	if( sd->state.storage_flag == 2 )
		storage_guild_storageclose(sd);
	else if( sd->state.storage_flag == 3 )
		storage_premiumStorage_close(sd);
}


/// Displays kafra storage password dialog (ZC_REQ_STORE_PASSWORD).
/// 023a <info>.W
/// info:
///     0 = password has not been set yet
///     1 = storage is password-protected
///     8 = too many wrong passwords
///     ? = ignored
/// NOTE: This packet is only available on certain non-kRO clients.
void clif_storagepassword(struct map_session_data* sd, short info)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x23a));
	WFIFOW(fd,0) = 0x23a;
	WFIFOW(fd,2) = info;
	WFIFOSET(fd,packet_len(0x23a));
}


/// Answer to the kafra storage password dialog (CZ_ACK_STORE_PASSWORD).
/// 023b <type>.W <password>.16B <new password>.16B
/// type:
///     2 = change password
///     3 = check password
/// NOTE: This packet is only available on certain non-kRO clients.
void clif_parse_StoragePassword(int fd, struct map_session_data *sd){ //@TODO
//	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
//	int type = RFIFOW(fd,info->pos[0]);
//	char* password = RFIFOP(fd,info->pos[1]);
//	char* new_password = RFIFOP(fd,info->pos[2]);
//	storage_changepass(sd,password,new_password);

}


/// Result of kafra storage password validation (ZC_RESULT_STORE_PASSWORD).
/// 023c <result>.W <error count>.W
/// result:
///     4 = password change success
///     5 = password change failure
///     6 = password check success
///     7 = password check failure
///     8 = too many wrong passwords
///     ? = ignored
/// NOTE: This packet is only available on certain non-kRO clients.
void clif_storagepassword_result(struct map_session_data* sd, short result, short error_count)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x23c));
	WFIFOW(fd,0) = 0x23c;
	WFIFOW(fd,2) = result;
	WFIFOW(fd,4) = error_count;
	WFIFOSET(fd,packet_len(0x23c));
}


/// Party creation request
/// 00f9 <party name>.24B (CZ_MAKE_GROUP)
void clif_parse_CreateParty(int fd, struct map_session_data *sd){
	char* name = RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	name[NAME_LENGTH-1] = '\0';

	if( map_getmapflag(sd->bl.m, MF_PARTYLOCK) ) {// Party locked.
		clif_displaymessage(fd, msg_txt(sd,227));
		return;
	}
	if( battle_config.basic_skill_check && pc_checkskill(sd,NV_BASIC) < 7 && pc_checkskill(sd, SU_BASIC_SKILL) < 1 ) {
		clif_skill_fail(sd,1,USESKILL_FAIL_LEVEL,4);
		return;
	}

	party_create(sd,name,0,0);
}

/// 01e8 <party name>.24B <item pickup rule>.B <item share rule>.B (CZ_MAKE_GROUP2)
void clif_parse_CreateParty2(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	char* name = RFIFOCP(fd,info->pos[0]);
	int item1 = RFIFOB(fd,info->pos[1]);
	int item2 = RFIFOB(fd,info->pos[2]);
	name[NAME_LENGTH-1] = '\0';

	if( map_getmapflag(sd->bl.m, MF_PARTYLOCK) ) {// Party locked.
		clif_displaymessage(fd, msg_txt(sd,227));
		return;
	}
	if( battle_config.basic_skill_check && pc_checkskill(sd,NV_BASIC) < 7 && pc_checkskill(sd, SU_BASIC_SKILL) < 1 ) {
		clif_skill_fail(sd,1,USESKILL_FAIL_LEVEL,4);
		return;
	}

	party_create(sd,name,item1,item2);
}


/// Party invitation request
/// 00fc <account id>.L (CZ_REQ_JOIN_GROUP)
void clif_parse_PartyInvite(int fd, struct map_session_data *sd)
{
	struct map_session_data *t_sd;

	if(map_getmapflag(sd->bl.m, MF_PARTYLOCK)) {// Party locked.
		clif_displaymessage(fd, msg_txt(sd,227));
		return;
	}

	t_sd = map_id2sd(RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));

	if(t_sd && t_sd->state.noask) {// @noask [LuzZza]
		clif_noask_sub(sd, t_sd, 1);
		return;
	}

	party_invite(sd, t_sd);
}

/// 02c4 <char name>.24B (CZ_PARTY_JOIN_REQ)
void clif_parse_PartyInvite2(int fd, struct map_session_data *sd){
	struct map_session_data *t_sd;
	char *name = RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	name[NAME_LENGTH-1] = '\0';

	if(map_getmapflag(sd->bl.m, MF_PARTYLOCK)) {// Party locked.
		clif_displaymessage(fd, msg_txt(sd,227));
		return;
	}

	t_sd = map_nick2sd(name,false);

	if(t_sd && t_sd->state.noask) {// @noask [LuzZza]
		clif_noask_sub(sd, t_sd, 1);
		return;
	}

	party_invite(sd, t_sd);
}


/// Party invitation reply
/// 00ff <party id>.L <flag>.L (CZ_JOIN_GROUP)
/// 02c7 <party id>.L <flag>.B (CZ_PARTY_JOIN_REQ_ACK)
/// flag:
///     0 = reject
///     1 = accept
void clif_parse_ReplyPartyInvite(int fd,struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	party_reply_invite(sd,RFIFOL(fd,info->pos[0]),
	    RFIFOL(fd,info->pos[1]));
}
//(CZ_PARTY_JOIN_REQ_ACK)
void clif_parse_ReplyPartyInvite2(int fd,struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	party_reply_invite(sd,RFIFOL(fd,info->pos[0]),
	    RFIFOB(fd,info->pos[1]));
}


/// Request to leave party (CZ_REQ_LEAVE_GROUP).
/// 0100
void clif_parse_LeaveParty(int fd, struct map_session_data *sd)
{
	if(map_getmapflag(sd->bl.m, MF_PARTYLOCK)) {// Party locked.
		clif_displaymessage(fd, msg_txt(sd,227));
		return;
	}
	party_leave(sd);
}


/// Request to expel a party member (CZ_REQ_EXPEL_GROUP_MEMBER).
/// 0103 <account id>.L <char name>.24B
void clif_parse_RemovePartyMember(int fd, struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if(map_getmapflag(sd->bl.m, MF_PARTYLOCK)) {// Party locked.
		clif_displaymessage(fd, msg_txt(sd,227));
		return;
	}
	party_removemember(sd,RFIFOL(fd,info->pos[0]),
	    RFIFOCP(fd,info->pos[1]));
}


/// Request to change party options.
/// 0102 <exp share rule>.L (CZ_CHANGE_GROUPEXPOPTION)
/// 07d7 <exp share rule>.L <item pickup rule>.B <item share rule>.B (CZ_GROUPINFO_CHANGE_V2)
void clif_parse_PartyChangeOption(int fd, struct map_session_data *sd)
{
	struct party_data *p;
	int i,expflag;
	int cmd = RFIFOW(fd,0);
	struct s_packet_db* info = &packet_db[cmd];

	if( !sd->status.party_id )
		return;

	p = party_search(sd->status.party_id);
	if( p == NULL )
		return;
	ARR_FIND( 0, MAX_PARTY, i, p->data[i].sd == sd );
	if( i == MAX_PARTY )
		return; //Shouldn't happen
	if( !p->party.member[i].leader )
		return;

	expflag = RFIFOL(fd,info->pos[0]);
	if(cmd == 0x0102){ //Client can't change the item-field
		party_changeoption(sd, expflag, p->party.item);
	}
	else {
		int itemflag = (RFIFOB(fd,info->pos[1])?1:0)|(RFIFOB(fd,info->pos[2])?2:0);
		party_changeoption(sd, expflag, itemflag);
	}
}


/// Validates and processes party messages (CZ_REQUEST_CHAT_PARTY).
/// 0108 <packet len>.W <text>.?B (<name> : <message>) 00
void clif_parse_PartyMessage(int fd, struct map_session_data* sd){
	char name[NAME_LENGTH], message[CHAT_SIZE_MAX], output[CHAT_SIZE_MAX+NAME_LENGTH*2];

	// validate packet and retrieve name and message
	if( !clif_process_message( sd, false, name, message, output ) )
		return;

	party_send_message(sd, output, strlen(output) + 1 );
}


/// Changes Party Leader (CZ_CHANGE_GROUP_MASTER).
/// 07da <account id>.L
void clif_parse_PartyChangeLeader(int fd, struct map_session_data* sd){
	party_changeleader(sd, map_id2sd(RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0])),NULL);
}


/// Party Booking in KRO [Spiria]
///

/// Request to register a party booking advertisment (CZ_PARTY_BOOKING_REQ_REGISTER).
/// 0802 <level>.W <map id>.W { <job>.W }*6
void clif_parse_PartyBookingRegisterReq(int fd, struct map_session_data* sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	short level = RFIFOW(fd,info->pos[0]);
	short mapid = RFIFOW(fd,info->pos[1]);
	int idxpbj = info->pos[2];
	short job[MAX_PARTY_BOOKING_JOBS];
	int i;

	for(i=0; i<MAX_PARTY_BOOKING_JOBS; i++)
		job[i] = RFIFOB(fd,idxpbj+i*2);

	party_booking_register(sd, level, mapid, job);
}


/// Result of request to register a party booking advertisment (ZC_PARTY_BOOKING_ACK_REGISTER).
/// 0803 <result>.W
/// result:
///     0 = success
///     1 = failure
///     2 = already registered
void clif_PartyBookingRegisterAck(struct map_session_data *sd, int flag)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x803));
	WFIFOW(fd,0) = 0x803;
	WFIFOW(fd,2) = flag;
	WFIFOSET(fd,packet_len(0x803));
}


/// Request to search for party booking advertisments (CZ_PARTY_BOOKING_REQ_SEARCH).
/// 0804 <level>.W <map id>.W <job>.W <last index>.L <result count>.W
void clif_parse_PartyBookingSearchReq(int fd, struct map_session_data* sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	short level = RFIFOW(fd,info->pos[0]);
	short mapid = RFIFOW(fd,info->pos[1]);
	short job = RFIFOW(fd,info->pos[2]);
	unsigned long lastindex = RFIFOL(fd,info->pos[3]);
	short resultcount = RFIFOW(fd,info->pos[4]);

	party_booking_search(sd, level, mapid, job, lastindex, resultcount);
}


/// Party booking search results (ZC_PARTY_BOOKING_ACK_SEARCH).
/// 0805 <packet len>.W <more results>.B { <index>.L <char name>.24B <expire time>.L <level>.W <map id>.W { <job>.W }*6 }*
/// more results:
///     0 = no
///     1 = yes
void clif_PartyBookingSearchAck(int fd, struct party_booking_ad_info** results, int count, bool more_result)
{
	int i, j;
	int size = sizeof(struct party_booking_ad_info); // structure size (48)
	struct party_booking_ad_info *pb_ad;
	WFIFOHEAD(fd,size*count + 5);
	WFIFOW(fd,0) = 0x805;
	WFIFOW(fd,2) = size*count + 5;
	WFIFOB(fd,4) = more_result;
	for(i=0; i<count; i++)
	{
		pb_ad = results[i];
		WFIFOL(fd,i*size+5) = pb_ad->index;
		safestrncpy(WFIFOCP(fd,i*size+9),pb_ad->charname,NAME_LENGTH);
		WFIFOL(fd,i*size+33) = pb_ad->starttime;  // FIXME: This is expire time
		WFIFOW(fd,i*size+37) = pb_ad->p_detail.level;
		WFIFOW(fd,i*size+39) = pb_ad->p_detail.mapid;
		for(j=0; j<MAX_PARTY_BOOKING_JOBS; j++)
			WFIFOW(fd,i*size+41+j*2) = pb_ad->p_detail.job[j];
	}
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Request to delete own party booking advertisment (CZ_PARTY_BOOKING_REQ_DELETE).
/// 0806
void clif_parse_PartyBookingDeleteReq(int fd, struct map_session_data* sd)
{
	if(party_booking_delete(sd))
		clif_PartyBookingDeleteAck(sd, 0);
}


/// Result of request to delete own party booking advertisment (ZC_PARTY_BOOKING_ACK_DELETE).
/// 0807 <result>.W
/// result:
///     0 = success
///     1 = success (auto-removed expired ad)
///     2 = failure
///     3 = nothing registered
void clif_PartyBookingDeleteAck(struct map_session_data* sd, int flag)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x807));
	WFIFOW(fd,0) = 0x807;
	WFIFOW(fd,2) = flag;
	WFIFOSET(fd,packet_len(0x807));
}


/// Request to update party booking advertisment (CZ_PARTY_BOOKING_REQ_UPDATE).
/// 0808 { <job>.W }*6
void clif_parse_PartyBookingUpdateReq(int fd, struct map_session_data* sd)
{
	short job[MAX_PARTY_BOOKING_JOBS];
	int i;
	int idxpbu = packet_db[RFIFOW(fd,0)].pos[0];

	for(i=0; i<MAX_PARTY_BOOKING_JOBS; i++)
		job[i] = RFIFOW(fd,idxpbu+i*2);

	party_booking_update(sd, job);
}


/// Notification about new party booking advertisment (ZC_PARTY_BOOKING_NOTIFY_INSERT).
/// 0809 <index>.L <char name>.24B <expire time>.L <level>.W <map id>.W { <job>.W }*6
void clif_PartyBookingInsertNotify(struct map_session_data* sd, struct party_booking_ad_info* pb_ad)
{
	int i;
	uint8 buf[38+MAX_PARTY_BOOKING_JOBS*2];

	if(pb_ad == NULL) return;

	WBUFW(buf,0) = 0x809;
	WBUFL(buf,2) = pb_ad->index;
	safestrncpy(WBUFCP(buf,6),pb_ad->charname,NAME_LENGTH);
	WBUFL(buf,30) = pb_ad->starttime;  // FIXME: This is expire time
	WBUFW(buf,34) = pb_ad->p_detail.level;
	WBUFW(buf,36) = pb_ad->p_detail.mapid;
	for(i=0; i<MAX_PARTY_BOOKING_JOBS; i++)
		WBUFW(buf,38+i*2) = pb_ad->p_detail.job[i];

	clif_send(buf, packet_len(0x809), &sd->bl, ALL_CLIENT);
}


/// Notification about updated party booking advertisment (ZC_PARTY_BOOKING_NOTIFY_UPDATE).
/// 080a <index>.L { <job>.W }*6
void clif_PartyBookingUpdateNotify(struct map_session_data* sd, struct party_booking_ad_info* pb_ad)
{
	int i;
	uint8 buf[6+MAX_PARTY_BOOKING_JOBS*2];

	if(pb_ad == NULL) return;

	WBUFW(buf,0) = 0x80a;
	WBUFL(buf,2) = pb_ad->index;
	for(i=0; i<MAX_PARTY_BOOKING_JOBS; i++)
		WBUFW(buf,6+i*2) = pb_ad->p_detail.job[i];
	clif_send(buf,packet_len(0x80a),&sd->bl,ALL_CLIENT); // Now UPDATE all client.
}


/// Notification about deleted party booking advertisment (ZC_PARTY_BOOKING_NOTIFY_DELETE).
/// 080b <index>.L
void clif_PartyBookingDeleteNotify(struct map_session_data* sd, int index)
{
	uint8 buf[6];

	WBUFW(buf,0) = 0x80b;
	WBUFL(buf,2) = index;

	clif_send(buf, packet_len(0x80b), &sd->bl, ALL_CLIENT); // Now UPDATE all client.
}


/// Request to close own vending (CZ_REQ_CLOSESTORE).
/// 012e
void clif_parse_CloseVending(int fd, struct map_session_data* sd)
{
	vending_closevending(sd);
}


/// Request to open a vending shop (CZ_REQ_BUY_FROMMC).
/// 0130 <account id>.L
void clif_parse_VendingListReq(int fd, struct map_session_data* sd)
{
	if( sd->npc_id ) {// using an NPC
		return;
	}
	vending_vendinglistreq(sd,RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// Shop item(s) purchase request (CZ_PC_PURCHASE_ITEMLIST_FROMMC).
/// 0134 <packet len>.W <account id>.L { <amount>.W <index>.W }*
void clif_parse_PurchaseReq(int fd, struct map_session_data* sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int len = (int)RFIFOW(fd,info->pos[0]) - 8;
	int id = (int)RFIFOL(fd,info->pos[1]);
	const uint8* data = (uint8*)RFIFOP(fd,info->pos[2]);

	vending_purchasereq(sd, id, sd->vended_id, data, len/4);

	// whether it fails or not, the buy window is closed
	sd->vended_id = 0;
}


/// Shop item(s) purchase request (CZ_PC_PURCHASE_ITEMLIST_FROMMC2).
/// 0801 <packet len>.W <account id>.L <unique id>.L { <amount>.W <index>.W }*
void clif_parse_PurchaseReq2(int fd, struct map_session_data* sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int len = (int)RFIFOW(fd,info->pos[0]) - 12;
	int aid = (int)RFIFOL(fd,info->pos[1]);
	int uid = (int)RFIFOL(fd,info->pos[2]);
	const uint8* data = (uint8*)RFIFOP(fd,info->pos[3]);

	vending_purchasereq(sd, aid, uid, data, len/4);

	// whether it fails or not, the buy window is closed
	sd->vended_id = 0;
}


/// Confirm or cancel the shop preparation window.
/// 012f <packet len>.W <shop name>.80B { <index>.W <amount>.W <price>.L }* (CZ_REQ_OPENSTORE)
/// 01b2 <packet len>.W <shop name>.80B <result>.B { <index>.W <amount>.W <price>.L }* (CZ_REQ_OPENSTORE2)
/// result:
///     0 = canceled
///     1 = open
void clif_parse_OpenVending(int fd, struct map_session_data* sd){
	int cmd = RFIFOW(fd,0);
	struct s_packet_db* info = &packet_db[cmd];
	short len = (short)RFIFOW(fd,info->pos[0]);
	const char* message = RFIFOCP(fd,info->pos[1]);
	const uint8* data = (uint8*)RFIFOP(fd,info->pos[3]);

	if(cmd == 0x12f){ // (CZ_REQ_OPENSTORE)
		len -= 84;
	}
	else { //(CZ_REQ_OPENSTORE2)
		bool flag;

		len -= 85;
		flag = RFIFOB(fd,info->pos[2]) != 0;
		if (!flag) {
			sd->state.prevend = 0;
			sd->state.workinprogress = WIP_DISABLE_NONE;
		}
	}

	if( sd->sc.data[SC_NOCHAT] && sd->sc.data[SC_NOCHAT]->val1&MANNER_NOROOM )
		return;
	if( map_getmapflag(sd->bl.m, MF_NOVENDING) ) {
		clif_displaymessage (sd->fd, msg_txt(sd,276)); // "You can't open a shop on this map"
		return;
	}
	if( map_getcell(sd->bl.m,sd->bl.x,sd->bl.y,CELL_CHKNOVENDING) ) {
		clif_displaymessage (sd->fd, msg_txt(sd,204)); // "You can't open a shop on this cell."
		return;
	}

	if( message[0] == '\0' ) // invalid input
		return;

	vending_openvending(sd, message, data, len/8, NULL);
}


/// Guild creation request (CZ_REQ_MAKE_GUILD).
/// 0165 <char id>.L <guild name>.24B
void clif_parse_CreateGuild(int fd,struct map_session_data *sd){
	//int charid = RFIFOL(fd,packet_db[cmd].pos[0]);
	char* name = RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[1]);
	name[NAME_LENGTH-1] = '\0';

	if(map_getmapflag(sd->bl.m, MF_GUILDLOCK)) { //Guild locked.
		clif_displaymessage(fd, msg_txt(sd,228));
		return;
	}

	if(sd->clan){
		// Should display a clientside message "You are currently joined in Clan !!" so we ignore it
		return;
	}

	guild_create(sd, name);
}


/// Request for guild window interface permissions (CZ_REQ_GUILD_MENUINTERFACE).
/// 014d
void clif_parse_GuildCheckMaster(int fd, struct map_session_data *sd)
{
	clif_guild_masterormember(sd);
}


/// Request for guild window information (CZ_REQ_GUILD_MENU).
/// 014f <type>.L
/// type:
///     0 = basic info
///     1 = member manager
///     2 = positions
///     3 = skills
///     4 = expulsion list
///     5 = unknown (GM_ALLGUILDLIST)
///     6 = notice
void clif_parse_GuildRequestInfo(int fd, struct map_session_data *sd)
{
	int type = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	if( !sd->status.guild_id && !sd->bg_id )
		return;

	switch( type )
	{
	case 0:	// Basic Information Guild, hostile alliance information
		clif_guild_basicinfo(sd);
		clif_guild_allianceinfo(sd);
		break;
	case 1:	// Members list, list job title
		clif_guild_positionnamelist(sd);
		clif_guild_memberlist(sd);
		break;
	case 2:	// List job title, title information list
		clif_guild_positionnamelist(sd);
		clif_guild_positioninfolist(sd);
		break;
	case 3:	// Skill list
		clif_guild_skillinfo(sd);
		break;
	case 4:	// Expulsion list
		clif_guild_expulsionlist(sd);
		break;
	default:
		ShowError("clif: guild request info: unknown type %d\n", type);
		break;
	}
}


/// Request to update guild positions (CZ_REG_CHANGE_GUILD_POSITIONINFO).
/// 0161 <packet len>.W { <position id>.L <mode>.L <ranking>.L <pay rate>.L <name>.24B }*
void clif_parse_GuildChangePositionInfo(int fd, struct map_session_data *sd)
{
	int i;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int len = RFIFOW(fd,info->pos[0]);
	int idxgpos = info->pos[1];

	if(!sd->state.gmaster_flag)
		return;

	for(i = idxgpos; i < len; i += 40 ){
		guild_change_position(sd->status.guild_id, RFIFOL(fd,i), RFIFOL(fd,i+4), RFIFOL(fd,i+12), RFIFOCP(fd,i+16));
	}
}


/// Request to update the position of guild members (CZ_REQ_CHANGE_MEMBERPOS).
/// 0155 <packet len>.W { <account id>.L <char id>.L <position id>.L }*
void clif_parse_GuildChangeMemberPosition(int fd, struct map_session_data *sd)
{
	int i;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int len = RFIFOW(fd,info->pos[0]);
	int idxgpos = info->pos[1];

	if(!sd->state.gmaster_flag)
		return;


	// Guild leadership change
	if( len == 16 && RFIFOL(fd,12) == 0 ){
		if( !battle_config.guild_leaderchange_woe && is_agit_start() ){
			clif_msg(sd, GUILD_MASTER_WOE);
			return;
		}

		if( battle_config.guild_leaderchange_delay && DIFF_TICK(time(NULL),sd->guild->last_leader_change) < battle_config.guild_leaderchange_delay ){
			clif_msg(sd, GUILD_MASTER_DELAY);
			return;
		}

		guild_gm_change(sd->status.guild_id, RFIFOL(fd, 8));
		return;
	}

	for(i=idxgpos;i<len;i+=12){
		int position = RFIFOL(fd,i+8);

		if( position > 0 ){
			guild_change_memberposition(sd->status.guild_id,RFIFOL(fd,i),RFIFOL(fd,i+4),position);
		}
	}
}


/// Request for guild emblem data (CZ_REQ_GUILD_EMBLEM_IMG).
/// 0151 <guild id>.L
void clif_parse_GuildRequestEmblem(int fd,struct map_session_data *sd)
{
	struct guild* g;
	int guild_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);

	if( (g = guild_search(guild_id)) != NULL )
		clif_guild_emblem(sd,g);
}


/// Validates data of a guild emblem (compressed bitmap)
enum e_result_validate_emblem {	// Used as Result for clif_validate_emblem
	EMBVALIDATE_SUCCESS = 0,
	EMBVALIDATE_ERR_RAW_FILEFORMAT,	// Invalid File Format (Error in zlib/decompression or malformed BMP header)
	EMBVALIDATE_ERR_TRANSPARENCY	// uploaded emblem does not met the requirements of battle_config.emblem_transparency_limit
};

static enum e_result_validate_emblem clif_validate_emblem(const uint8* emblem, unsigned long emblem_len)
{
	uint8 buf[1800];  // no well-formed emblem bitmap is larger than 1782 (24 bit) / 1654 (8 bit) bytes
	unsigned long buf_len = sizeof(buf);
	int offset = 0;

	if(!(( decode_zip(buf, &buf_len, emblem, emblem_len) == 0 && buf_len >= 18 )  // sizeof(BITMAPFILEHEADER) + sizeof(biSize) of the following info header struct
		&& RBUFW(buf,0) == 0x4d42   // BITMAPFILEHEADER.bfType (signature)
		&& RBUFL(buf,2) == buf_len  // BITMAPFILEHEADER.bfSize (file size)
		&& (offset = RBUFL(buf,10)) < buf_len  // BITMAPFILEHEADER.bfOffBits (offset to bitmap bits)
		))
		return EMBVALIDATE_ERR_RAW_FILEFORMAT;

	if(battle_config.emblem_transparency_limit != 100) {
		int i, transcount = 1, tmp[3];
		for(i = offset; i < buf_len-1; i++) {
			int j = i%3;
			tmp[j] = RBUFL(buf,i);
			if(j == 2 && (tmp[0] == 0xFFFF00FF) && (tmp[1] == 0xFFFF00) && (tmp[2] == 0xFF00FFFF)) //if pixel is transparent
				transcount++;
		}
		if(((transcount*300)/(buf_len-offset)) > battle_config.emblem_transparency_limit) //convert in % to chk
			return EMBVALIDATE_ERR_TRANSPARENCY;
	}

	return EMBVALIDATE_SUCCESS;
}


/// Request to update the guild emblem (CZ_REGISTER_GUILD_EMBLEM_IMG).
/// 0153 <packet len>.W <emblem data>.?B
void clif_parse_GuildChangeEmblem(int fd,struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	unsigned long emblem_len = RFIFOW(fd,info->pos[0])-4;
	const uint8* emblem = RFIFOP(fd,info->pos[1]);
	int emb_val=0;

	if( !emblem_len || !sd->state.gmaster_flag )
		return;

	if(!(battle_config.emblem_woe_change) && is_agit_start() ){
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,385),false,SELF); //"You not allowed to change emblem during woe"
		return;
	}
	emb_val = clif_validate_emblem(emblem, emblem_len);
	if(emb_val == EMBVALIDATE_ERR_RAW_FILEFORMAT){
		ShowWarning("clif_parse_GuildChangeEmblem: Rejected malformed guild emblem (size=%lu, accound_id=%d, char_id=%d, guild_id=%d).\n", emblem_len, sd->status.account_id, sd->status.char_id, sd->status.guild_id);
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,386),false,SELF); //"The chosen emblem was detected invalid\n"
		return;
	} else if(emb_val == EMBVALIDATE_ERR_TRANSPARENCY){
		char output[128];
		safesnprintf(output,sizeof(output),msg_txt(sd,387),battle_config.emblem_transparency_limit);
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],output,false,SELF); //"The chosen emblem was detected invalid as it contain too much transparency (limit=%d)\n"
		return;
	}

	guild_change_emblem(sd, emblem_len, (const char*)emblem);
}


/// Guild notice update request (CZ_GUILD_NOTICE).
/// 016e <guild id>.L <msg1>.60B <msg2>.120B
void clif_parse_GuildChangeNotice(int fd, struct map_session_data* sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int guild_id = RFIFOL(fd,info->pos[0]);
	char* msg1 = RFIFOCP(fd,info->pos[1]);
	char* msg2 = RFIFOCP(fd,info->pos[2]);

	if(!sd->state.gmaster_flag)
		return;

	// compensate for some client defects when using multilanguage mode
	if (msg1[0] == '|' && msg1[3] == '|') msg1+= 3; // skip duplicate marker
	if (msg2[0] == '|' && msg2[3] == '|') msg2+= 3; // skip duplicate marker
	if (msg2[0] == '|') msg2[strnlen(msg2, MAX_GUILDMES2)-1] = '\0'; // delete extra space at the end of string

	guild_change_notice(sd, guild_id, msg1, msg2);
}

// Helper function for guild invite functions
int clif_sub_guild_invite(int fd, struct map_session_data *sd, struct map_session_data *t_sd)
{
	if (t_sd == NULL) // not online or does not exist
		return 1;

	if (map_getmapflag(sd->bl.m, MF_GUILDLOCK)) {//Guild locked.
		clif_displaymessage(fd, msg_txt(sd,228));
		return 1;
	}

	if(t_sd && t_sd->state.noask) {// @noask [LuzZza]
		clif_noask_sub(sd, t_sd, 2);
		return 1;
	}

	// Players in a clan can not join a guild
	if(t_sd && t_sd->clan){
		return 1;
	}

	guild_invite(sd, t_sd);
	return 0;
}

/// Guild invite request (CZ_REQ_JOIN_GUILD).
/// 0168 <account id>.L <inviter account id>.L <inviter char id>.L
void clif_parse_GuildInvite(int fd,struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	struct map_session_data *t_sd = map_id2sd(RFIFOL(fd,info->pos[0]));
//	int inv_aid = RFIFOL(fd,info->pos[1]);
//	int inv_cid = RFIFOL(fd,info->pos[2]);

	if (clif_sub_guild_invite(fd, sd, t_sd))
		return;
}

/// Guild invite request (/guildinvite)
/// 0916 <char name>.24B (CZ_REQ_JOIN_GUILD2)
void
clif_parse_GuildInvite2(int fd, struct map_session_data *sd) {
	struct map_session_data *t_sd = map_nick2sd(RFIFOCP(fd, packet_db[RFIFOW(fd,0)].pos[0]),false);

	if (clif_sub_guild_invite(fd, sd, t_sd))
		return;
}


/// Answer to guild invitation (CZ_JOIN_GUILD).
/// 016b <guild id>.L <answer>.L
/// answer:
///     0 = refuse
///     1 = accept
void clif_parse_GuildReplyInvite(int fd,struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	guild_reply_invite(sd,RFIFOL(fd,info->pos[0]),
	    RFIFOL(fd,info->pos[1]));
}


/// Request to leave guild (CZ_REQ_LEAVE_GUILD).
/// 0159 <guild id>.L <account id>.L <char id>.L <reason>.40B
void clif_parse_GuildLeave(int fd,struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if(map_getmapflag(sd->bl.m, MF_GUILDLOCK)) { //Guild locked.
		clif_displaymessage(fd, msg_txt(sd,228));
		return;
	}
	if( sd->bg_id ) {
		clif_displaymessage(fd, msg_txt(sd,670)); //"You can't leave battleground guilds."
		return;
	}

	guild_leave(sd,RFIFOL(fd,info->pos[0]),
	    RFIFOL(fd,info->pos[1]),
	    RFIFOL(fd,info->pos[2]),
	    RFIFOCP(fd,info->pos[3]));
}


/// Request to expel a member of a guild (CZ_REQ_BAN_GUILD).
/// 015b <guild id>.L <account id>.L <char id>.L <reason>.40B
void clif_parse_GuildExpulsion(int fd,struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if( map_getmapflag(sd->bl.m, MF_GUILDLOCK) || sd->bg_id )
	{ // Guild locked.
		clif_displaymessage(fd, msg_txt(sd,228));
		return;
	}
	guild_expulsion(sd,RFIFOL(fd,info->pos[0]),
	    RFIFOL(fd,info->pos[1]),
	    RFIFOL(fd,info->pos[2]),
	    RFIFOCP(fd,info->pos[3]));
}


/// Validates and processes guild messages (CZ_GUILD_CHAT).
/// 017e <packet len>.W <text>.?B (<name> : <message>) 00
void clif_parse_GuildMessage(int fd, struct map_session_data* sd){
	char name[NAME_LENGTH], message[CHAT_SIZE_MAX], output[CHAT_SIZE_MAX+NAME_LENGTH*2];

	// validate packet and retrieve name and message
	if( !clif_process_message( sd, false, name, message, output ) )
		return;

	if( sd->bg_id )
		bg_send_message(sd, output, strlen(output) );
	else
		guild_send_message(sd, output, strlen(output) );
}


/// Guild alliance request (CZ_REQ_ALLY_GUILD).
/// 0170 <account id>.L <inviter account id>.L <inviter char id>.L
void clif_parse_GuildRequestAlliance(int fd, struct map_session_data *sd)
{
	struct map_session_data *t_sd;

	if(!sd->state.gmaster_flag)
		return;

	if(map_getmapflag(sd->bl.m, MF_GUILDLOCK)) { //Guild locked.
		clif_displaymessage(fd, msg_txt(sd,228));
		return;
	}

	t_sd = map_id2sd(RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));
	//inv_aid = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[1]);
	//inv_cid = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[2]);

	// @noask [LuzZza]
	if(t_sd && t_sd->state.noask) {
		clif_noask_sub(sd, t_sd, 3);
		return;
	}

	guild_reqalliance(sd,t_sd);
}


/// Answer to a guild alliance request (CZ_ALLY_GUILD).
/// 0172 <inviter account id>.L <answer>.L
/// answer:
///     0 = refuse
///     1 = accept
void clif_parse_GuildReplyAlliance(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	guild_reply_reqalliance(sd,
	    RFIFOL(fd,info->pos[0]),
	    RFIFOL(fd,info->pos[1]));
}


/// Request to delete a guild alliance or opposition (CZ_REQ_DELETE_RELATED_GUILD).
/// 0183 <opponent guild id>.L <relation>.L
/// relation:
///     0 = Ally
///     1 = Enemy
void clif_parse_GuildDelAlliance(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	if(!sd->state.gmaster_flag)
		return;

	if(map_getmapflag(sd->bl.m, MF_GUILDLOCK)) { //Guild locked.
		clif_displaymessage(fd, msg_txt(sd,228));
		return;
	}
	guild_delalliance(sd,
	    RFIFOL(fd,info->pos[0]),
	    RFIFOL(fd,info->pos[1]));
}


/// Request to set a guild as opposition (CZ_REQ_HOSTILE_GUILD).
/// 0180 <account id>.L
void clif_parse_GuildOpposition(int fd, struct map_session_data *sd)
{
	struct map_session_data *t_sd;

	if(!sd->state.gmaster_flag)
		return;

	if(map_getmapflag(sd->bl.m, MF_GUILDLOCK)) { //Guild locked.
		clif_displaymessage(fd, msg_txt(sd,228));
		return;
	}

	t_sd = map_id2sd(RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));

	// @noask [LuzZza]
	if(t_sd && t_sd->state.noask) {
		clif_noask_sub(sd, t_sd, 4);
		return;
	}

	guild_opposition(sd,t_sd);
}


/// Request to delete own guild (CZ_REQ_DISORGANIZE_GUILD).
/// 015d <key>.40B
/// key:
///     now guild name; might have been (intended) email, since the
///     field name and size is same as the one in CH_DELETE_CHAR.
void clif_parse_GuildBreak(int fd, struct map_session_data *sd)
{
	if( map_getmapflag(sd->bl.m, MF_GUILDLOCK) ) { //Guild locked.
		clif_displaymessage(fd, msg_txt(sd,228));
		return;
	}
	guild_break(sd,RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// Pet
///

/// Request to invoke a pet menu action (CZ_COMMAND_PET).
/// 01a1 <type>.B
/// type:
///     0 = pet information
///     1 = feed
///     2 = performance
///     3 = return to egg
///     4 = unequip accessory
void clif_parse_PetMenu(int fd, struct map_session_data *sd){
	pet_menu(sd,RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// Attempt to tame a monster (CZ_TRYCAPTURE_MONSTER).
/// 019f <id>.L
void clif_parse_CatchPet(int fd, struct map_session_data *sd){
	pet_catch_process2(sd,RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// Answer to pet incubator egg selection dialog (CZ_SELECT_PETEGG).
/// 01a7 <index>.W
void clif_parse_SelectEgg(int fd, struct map_session_data *sd){
	if (sd->menuskill_id != SA_TAMINGMONSTER || sd->menuskill_val != -1)
		return;

	pet_select_egg(sd,RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0])-2);
	clif_menuskill_clear(sd);
}


/// Request to display pet's emotion/talk (CZ_PET_ACT).
/// 01a9 <data>.L
/// data:
///     is either emotion (@see enum emotion_type) or a compound value
///     (((mob id)-100)*100+(act id)*10+(hunger)) that describes an
///     entry (given in parentheses) in data\pettalktable.xml
///     act id:
///         0 = feeding
///         1 = hunting
///         2 = danger
///         3 = dead
///         4 = normal (stand)
///         5 = special performance (perfor_s)
///         6 = level up (levelup)
///         7 = performance 1 (perfor_1)
///         8 = performance 2 (perfor_2)
///         9 = performance 3 (perfor_3)
///        10 = log-in greeting (connect)
///     hungry value:
///         0 = very hungry (hungry)
///         1 = hungry (bit_hungry)
///         2 = satisfied (noting)
///         3 = stuffed (full)
///         4 = full (so_full)
void clif_parse_SendEmotion(int fd, struct map_session_data *sd)
{
	if(sd->pd)
		clif_pet_emotion(sd->pd,RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// Request to change pet's name (CZ_RENAME_PET).
/// 01a5 <name>.24B
void clif_parse_ChangePetName(int fd, struct map_session_data *sd)
{
	pet_change_name(sd,RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// /kill (CZ_DISCONNECT_CHARACTER).
/// Request to disconnect a character.
/// 00cc <account id>.L
/// NOTE: Also sent when using GM right click menu "(name) force to quit"
void clif_parse_GMKick(int fd, struct map_session_data *sd)
{
	struct block_list *target;
	int tid;

	tid = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	target = map_id2bl(tid);
	if (!target) {
		clif_GM_kickack(sd, 0);
		return;
	}

	switch (target->type) {
		case BL_PC:
		{
			char command[NAME_LENGTH+6];
			safesnprintf(command,sizeof(command),"%ckick %s", atcommand_symbol, status_get_name(target));
			is_atcommand(fd, sd, command, 1);
		}
		break;

		/**
		 * This one does not invoke any atcommand, so we need to check for permissions.
		 */
		case BL_MOB:
		{
			char command[100];
			if( !pc_can_use_command(sd, "killmonster", COMMAND_ATCOMMAND)) {
				clif_GM_kickack(sd, 0);
				return;
			}
			safesnprintf(command,sizeof(command),"/kick %s (%d)", status_get_name(target), status_get_class(target));
			log_atcommand(sd, command);
			status_percent_damage(&sd->bl, target, 100, 0, true); // can invalidate 'target'
		}
		break;

		case BL_NPC:
		{
			struct npc_data* nd = (struct npc_data *)target;
			if( pc_can_use_command(sd, "unloadnpc", COMMAND_ATCOMMAND)) {
				npc_unload_duplicates(nd);
				npc_unload(nd,true);
				npc_read_event_script();
			}
		}
		break;

		default:
			clif_GM_kickack(sd, 0);
	}
}


/// /killall (CZ_DISCONNECT_ALL_CHARACTER).
/// Request to disconnect all characters.
/// 00ce
void clif_parse_GMKickAll(int fd, struct map_session_data* sd) {
	char cmd[15];
	safesnprintf(cmd,sizeof(cmd),"%ckickall",atcommand_symbol);
	is_atcommand(fd, sd, cmd, 1);
}


/// /remove (CZ_REMOVE_AID).
/// Request to warp to a character with given login ID.
/// 01ba <account name>.24B

/// /shift (CZ_SHIFT).
/// Request to warp to a character with given name.
/// 01bb <char name>.24B
void clif_parse_GMShift(int fd, struct map_session_data *sd)
{// FIXME: remove is supposed to receive account name for clients prior 20100803RE
	char *player_name;
	char command[NAME_LENGTH+8];

	player_name = RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	player_name[NAME_LENGTH-1] = '\0';

	safesnprintf(command,sizeof(command),"%cjumpto %s", atcommand_symbol, player_name);
	is_atcommand(fd, sd, command, 1);
}


/// /remove (CZ_REMOVE_AID_SSO).
/// Request to warp to a character with given account ID.
/// 0843 <account id>.L
void clif_parse_GMRemove2(int fd, struct map_session_data* sd)
{
	uint32 account_id;
	struct map_session_data* pl_sd;

	account_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	if( (pl_sd = map_id2sd(account_id)) != NULL ) {
		char command[NAME_LENGTH+8];
		safesnprintf(command,sizeof(command),"%cjumpto %s", atcommand_symbol, pl_sd->status.name);
		is_atcommand(fd, sd, command, 1);
	}
}


/// /recall (CZ_RECALL).
/// Request to summon a player with given login ID to own position.
/// 01bc <account name>.24B

/// /summon (CZ_RECALL_GID).
/// Request to summon a player with given name to own position.
/// 01bd <char name>.24B
void clif_parse_GMRecall(int fd, struct map_session_data *sd)
{// FIXME: recall is supposed to receive account name for clients prior 20100803RE
	char *player_name;
	char command [NAME_LENGTH+8];

	player_name = RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	player_name[NAME_LENGTH-1] = '\0';

	safesnprintf(command,sizeof(command),"%crecall %s", atcommand_symbol, player_name);
	is_atcommand(fd, sd, command, 1);
}


/// /recall (CZ_RECALL_SSO).
/// Request to summon a player with given account ID to own position.
/// 0842 <account id>.L
void clif_parse_GMRecall2(int fd, struct map_session_data* sd)
{
	uint32 account_id;
	struct map_session_data* pl_sd;

	account_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	if( (pl_sd = map_id2sd(account_id)) != NULL ) {
		char command[NAME_LENGTH+8];
		safesnprintf(command,sizeof(command),"%crecall %s", atcommand_symbol, pl_sd->status.name);
		is_atcommand(fd, sd, command, 1);
	}
}


/// /item /monster (CZ_ITEM_CREATE).
/// Request to execute GM commands.
/// Usage:
/// /item n - summon n monster or acquire n item/s
/// /item money - grants 2147483647 zenies
/// /item whereisboss - locate boss mob in current map.(not yet implemented)
/// /item regenboss_n t - regenerate n boss monster by t millisecond.(not yet implemented)
/// /item onekillmonster - toggle an ability to kill mobs in one hit.(not yet implemented)
/// /item bossinfo - display the information of a boss monster in current map.(not yet implemented)
/// /item cap_n - capture n monster as pet.(not yet implemented)
/// /item agitinvest - reset current global agit investments.(not yet implemented)
/// 013f <item/mob name>.24B
/// 09ce <item/mob name>.100B [Ind/Yommy]
void clif_parse_GM_Item_Monster(int fd, struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int mob_id = 0;
	struct item_data *id = NULL;
	struct mob_db *mob = NULL;
	StringBuf command;
	char *str;
//#if PACKETVER >= 20131218
//	char str[100];
//#else
//	char str[24];
//#endif

	str = RFIFOCP(fd,info->pos[0]);
	if (!str || str[0] == '\0')
		return;
	if (strcmpi(str,"SPPOINT") == 0 || strcmpi(str,"JOBLEVEL") == 0) //! TODO /sp sends these values
		return;
	trim(str);

	// Zeny
	if( strcmpi(str, "money") == 0 ) {
		StringBuf_Init(&command);
		StringBuf_Printf(&command, "%czeny %d", atcommand_symbol, INT_MAX);
		is_atcommand(fd, sd, StringBuf_Value(&command), 1);
		StringBuf_Destroy(&command);
		return;
	}

	// Item
	if( (id = itemdb_searchname(str)) ) {
		StringBuf_Init(&command);
		if( !itemdb_isstackable2(id) ) //Nonstackable
			StringBuf_Printf(&command, "%citem2 %d 1 0 0 0 0 0 0 0", atcommand_symbol, id->nameid);
		else {
			if (id->flag.guid)
				StringBuf_Printf(&command, "%citem %d 1", atcommand_symbol, id->nameid);
			else
				StringBuf_Printf(&command, "%citem %d 20", atcommand_symbol, id->nameid);
		}
		is_atcommand(fd, sd, StringBuf_Value(&command), 1);
		StringBuf_Destroy(&command);
		return;
	}

	// Monster
	if ((mob_id = mobdb_searchname(str)) == 0)
		mob_id = mobdb_checkid(atoi(str));

	if( (mob = mob_db(mob_id)) ) {
		StringBuf_Init(&command);
		StringBuf_Printf(&command, "%cmonster %s", atcommand_symbol, mob->sprite);
		is_atcommand(fd, sd, StringBuf_Value(&command), 1);
		StringBuf_Destroy(&command);
		return;
	}
}


/// /hide (CZ_CHANGE_EFFECTSTATE).
/// 019d <effect state>.L
/// effect state:
///     TODO: Any OPTION_* ?
void clif_parse_GMHide(int fd, struct map_session_data *sd) {
	char cmd[6];
	//int eff_st = RFIFOL(packet_db[RFIFOW(fd,0)].pos[0]);

	safesnprintf(cmd,sizeof(cmd),"%chide",atcommand_symbol);
	is_atcommand(fd, sd, cmd, 1);
}


/// Request to adjust player's manner points (CZ_REQ_GIVE_MANNER_POINT).
/// 0149 <account id>.L <type>.B <value>.W
/// type:
///     0 = positive points
///     1 = negative points
///     2 = self mute (+10 minutes)
void clif_parse_GMReqNoChat(int fd,struct map_session_data *sd)
{
	int id, type, value;
	struct map_session_data *dstsd;
	char command[NAME_LENGTH+15];
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];


	id = RFIFOL(fd,info->pos[0]);
	type = RFIFOB(fd,info->pos[1]);
	value = RFIFOW(fd,info->pos[2]);

	if( type == 0 )
		value = -value;

	//If type is 2 and the ids don't match, this is a crafted hacked packet!
	//Disabled because clients keep self-muting when you give players public @ commands... [Skotlex]
	if (type == 2 /* && (pc_get_group_level(sd) > 0 || sd->bl.id != id)*/)
		return;

	dstsd = map_id2sd(id);
	if( dstsd == NULL )
		return;

	safesnprintf(command,sizeof(command),"%cmute %d %s", atcommand_symbol, value, dstsd->status.name);
	is_atcommand(fd, sd, command, 1);
}


/// /rc (CZ_REQ_GIVE_MANNER_BYNAME).
/// GM adjustment of a player's manner value by -60.
/// 0212 <char name>.24B
void clif_parse_GMRc(int fd, struct map_session_data* sd)
{
	char command[NAME_LENGTH+15];
	char *name = RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]);

	name[NAME_LENGTH-1] = '\0';
	safesnprintf(command,sizeof(command),"%cmute %d %s", atcommand_symbol, 60, name);
	is_atcommand(fd, sd, command, 1);
}


/// Result of request to resolve account name (ZC_ACK_ACCOUNTNAME).
/// 01e0 <account id>.L <account name>.24B
void clif_account_name(int fd, uint32 account_id, const char* accname)
{
	WFIFOHEAD(fd,packet_len(0x1e0));
	WFIFOW(fd,0) = 0x1e0;
	WFIFOL(fd,2) = account_id;
	safestrncpy(WFIFOCP(fd,6), accname, NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x1e0));
}


/// GM requesting account name (for right-click gm menu) (CZ_REQ_ACCOUNTNAME).
/// 01df <account id>.L
//! TODO: Figure out how does this actually work
void clif_parse_GMReqAccountName(int fd, struct map_session_data *sd)
{
	uint32 account_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	/*
	char query[30];
	safesnprintf(query,sizeof(query),"%d", account_id);
	intif_request_accinfo(sd->fd, sd->bl.id, pc_get_group_level(sd), query, 1); //will call clif_account_name at return
	*/

	clif_account_name(fd, account_id, "");
}


/// /changemaptype <x> <y> <type> (CZ_CHANGE_MAPTYPE).
/// GM single cell type change request.
/// 0198 <x>.W <y>.W <type>.W
/// type:
///     0 = not walkable
///     1 = walkable
void clif_parse_GMChangeMapType(int fd, struct map_session_data *sd)
{
	int x,y,type;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	if(! pc_has_permission(sd, PC_PERM_USE_CHANGEMAPTYPE) )
		return;

	x = RFIFOW(fd,info->pos[0]);
	y = RFIFOW(fd,info->pos[1]);
	type = RFIFOW(fd,info->pos[2]);

	map_setgatcell(sd->bl.m,x,y,type);
	clif_changemapcell(0,sd->bl.m,x,y,type,ALL_SAMEMAP);
	//FIXME: once players leave the map, the client 'forgets' this information.
}


/// /in /ex (CZ_SETTING_WHISPER_PC).
/// Request to allow/deny whispers from a nick.
/// 00cf <nick>.24B <type>.B
/// type:
///     0 = (/ex nick) deny speech from nick
///     1 = (/in nick) allow speech from nick
void clif_parse_PMIgnore(int fd, struct map_session_data* sd)
{
	char* nick;
	uint8 type;
	int i;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	nick = RFIFOCP(fd,info->pos[0]);
	nick[NAME_LENGTH-1] = '\0'; // to be sure that the player name has at most 23 characters
	type = RFIFOB(fd,info->pos[1]);

	if( type == 0 ) { // Add name to ignore list (block)
		if (strcmp(wisp_server_name, nick) == 0) {
			clif_wisexin(sd, type, 1); // fail
			return;
		}

		// try to find a free spot, while checking for duplicates at the same time
		ARR_FIND( 0, MAX_IGNORE_LIST, i, sd->ignore[i].name[0] == '\0' || strcmp(sd->ignore[i].name, nick) == 0 );
		if( i == MAX_IGNORE_LIST ) {// no space for new entry
			clif_wisexin(sd, type, 2); // too many blocks
			return;
		}
		if( sd->ignore[i].name[0] != '\0' ) {// name already exists
			clif_wisexin(sd, type, 0); // Aegis reports success.
			return;
		}

		//Insert in position i
		safestrncpy(sd->ignore[i].name, nick, NAME_LENGTH);
	} else { // Remove name from ignore list (unblock)

		// find entry
		ARR_FIND( 0, MAX_IGNORE_LIST, i, sd->ignore[i].name[0] == '\0' || strcmp(sd->ignore[i].name, nick) == 0 );
		if( i == MAX_IGNORE_LIST || sd->ignore[i].name[i] == '\0' ) { //Not found
			clif_wisexin(sd, type, 1); // fail
			return;
		}
		// move everything one place down to overwrite removed entry
		memmove(sd->ignore[i].name, sd->ignore[i+1].name, (MAX_IGNORE_LIST-i-1)*sizeof(sd->ignore[0].name));
		// wipe last entry
		memset(sd->ignore[MAX_IGNORE_LIST-1].name, 0, sizeof(sd->ignore[0].name));
	}

	clif_wisexin(sd, type, 0); // success
}


/// /inall /exall (CZ_SETTING_WHISPER_STATE).
/// Request to allow/deny all whispers.
/// 00d0 <type>.B
/// type:
///     0 = (/exall) deny all speech
///     1 = (/inall) allow all speech
void clif_parse_PMIgnoreAll(int fd, struct map_session_data *sd)
{
	int type = RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[0]), flag;

	if( type == 0 ) {// Deny all
		if( sd->state.ignoreAll ) {
			flag = 1; // fail
		} else {
			sd->state.ignoreAll = 1;
			flag = 0; // success
		}
	} else {//Unblock everyone
		if( sd->state.ignoreAll ) {
			sd->state.ignoreAll = 0;
			flag = 0; // success
		} else {
			if (sd->ignore[0].name[0] != '\0')
			{  //Wipe the ignore list.
				memset(sd->ignore, 0, sizeof(sd->ignore));
				flag = 0; // success
			} else {
				flag = 1; // fail
			}
		}
	}

	clif_wisall(sd, type, flag);
}


/// Whisper ignore list (ZC_WHISPER_LIST).
/// 00d4 <packet len>.W { <char name>.24B }*
void clif_PMIgnoreList(struct map_session_data* sd)
{
	int i, fd = sd->fd;

	WFIFOHEAD(fd,4+ARRAYLENGTH(sd->ignore)*NAME_LENGTH);
	WFIFOW(fd,0) = 0xd4;

	for( i = 0; i < ARRAYLENGTH(sd->ignore) && sd->ignore[i].name[0]; i++ ) {
		safestrncpy(WFIFOCP(fd,4+i*NAME_LENGTH), sd->ignore[i].name, NAME_LENGTH);
	}

	WFIFOW(fd,2) = 4+i*NAME_LENGTH;
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Whisper ignore list request (CZ_REQ_WHISPER_LIST).
/// 00d3
void clif_parse_PMIgnoreList(int fd,struct map_session_data *sd)
{
	clif_PMIgnoreList(sd);
}


/// Request to invoke the /doridori recovery bonus (CZ_DORIDORI).
/// 01e7
void clif_parse_NoviceDoriDori(int fd, struct map_session_data *sd)
{
	if (sd->state.doridori) return;

	switch (sd->class_&MAPID_UPPERMASK) {
		case MAPID_SOUL_LINKER:
		case MAPID_STAR_GLADIATOR:
		case MAPID_TAEKWON:
			if (!sd->state.rest)
				break;
		case MAPID_SUPER_NOVICE:
		case MAPID_SUPER_BABY:
		case MAPID_SUPER_NOVICE_E:
		case MAPID_SUPER_BABY_E:
			sd->state.doridori=1;
			break;
	}
}


/// Request to invoke the effect of super novice's guardian angel prayer (CZ_CHOPOKGI).
/// 01ed
/// Note: This packet is caused by 7 lines of any text, followed by
///       the prayer and an another line of any text. The prayer is
///       defined by lines 790~793 in data\msgstringtable.txt
///       "Dear angel, can you hear my voice?"
///       "I am" (space separated player name) "Super Novice~"
///       "Help me out~ Please~ T_T"
void clif_parse_NoviceExplosionSpirits(int fd, struct map_session_data *sd)
{
	if( (sd->class_&MAPID_UPPERMASK) == MAPID_SUPER_NOVICE ) {
		unsigned int next = pc_nextbaseexp(sd);

		if( next ) {
			int percent = (int)( ( (float)sd->status.base_exp/(float)next )*1000. );

			if( percent && ( percent%100 ) == 0 ) {// 10.0%, 20.0%, ..., 90.0%
				sc_start(&sd->bl,&sd->bl, status_skill2sc(MO_EXPLOSIONSPIRITS), 100, 17, skill_get_time(MO_EXPLOSIONSPIRITS, 5)); //Lv17-> +50 critical (noted by Poki) [Skotlex]
				clif_skill_nodamage(&sd->bl, &sd->bl, MO_EXPLOSIONSPIRITS, 5, 1);  // prayer always shows successful Lv5 cast and disregards noskill restrictions
			}
		}
	}
}


/// Friends List
///

/// Toggles a single friend online/offline [Skotlex] (ZC_FRIENDS_STATE).
/// 0206 <account id>.L <char id>.L <state>.B
/// 0206 <account id>.L <char id>.L <state>.B <name>.24B >= 20180221
/// state:
///     0 = online
///     1 = offline
void clif_friendslist_toggle(struct map_session_data *sd,uint32 account_id, uint32 char_id, int online)
{
	int i, fd = sd->fd;

	//Seek friend.
	for (i = 0; i < MAX_FRIENDS && sd->status.friends[i].char_id &&
		(sd->status.friends[i].char_id != char_id || sd->status.friends[i].account_id != account_id); i++);

	if(i == MAX_FRIENDS || sd->status.friends[i].char_id == 0)
		return; //Not found

	WFIFOHEAD(fd,packet_len(0x206));
	WFIFOW(fd, 0) = 0x206;
	WFIFOL(fd, 2) = sd->status.friends[i].account_id;
	WFIFOL(fd, 6) = sd->status.friends[i].char_id;
	WFIFOB(fd,10) = !online; //Yeah, a 1 here means "logged off", go figure...
#if PACKETVER >= 20180221
	safestrncpy(WFIFOCP(fd, 11), sd->status.friends[i].name, NAME_LENGTH);
#endif
	WFIFOSET(fd, packet_len(0x206));
}


//Subfunction called from clif_foreachclient to toggle friends on/off [Skotlex]
int clif_friendslist_toggle_sub(struct map_session_data *sd,va_list ap)
{
	uint32 account_id, char_id, online;
	account_id = va_arg(ap, int);
	char_id = va_arg(ap, int);
	online = va_arg(ap, int);
	clif_friendslist_toggle(sd, account_id, char_id, online);
	return 0;
}


/// Sends the whole friends list (ZC_FRIENDS_LIST).
/// 0201 <packet len>.W { <account id>.L <char id>.L <name>.24B }*
/// 0201 <packet len>.W { <account id>.L <char id>.L }* >= 20180221
void clif_friendslist_send(struct map_session_data *sd)
{
	int i = 0, n, fd = sd->fd;
#if PACKETVER >= 20180221
	const int size = 8;
#else
	const int size = 8 + NAME_LENGTH;
#endif

	// Send friends list
	WFIFOHEAD(fd, MAX_FRIENDS * size + 4);
	WFIFOW(fd, 0) = 0x201;
	for(i = 0; i < MAX_FRIENDS && sd->status.friends[i].char_id; i++) {
		WFIFOL(fd, 4 + size * i + 0) = sd->status.friends[i].account_id;
		WFIFOL(fd, 4 + size * i + 4) = sd->status.friends[i].char_id;
#if PACKETVER < 20180221
		safestrncpy(WFIFOCP(fd, 4 + size * i + 8), sd->status.friends[i].name, NAME_LENGTH);
#endif
	}

	if (i) {
		WFIFOW(fd,2) = 4 + size * i;
		WFIFOSET(fd, WFIFOW(fd,2));
	}

	for (n = 0; n < i; n++) { //Sending the online players
		if (map_charid2sd(sd->status.friends[n].char_id))
			clif_friendslist_toggle(sd, sd->status.friends[n].account_id, sd->status.friends[n].char_id, 1);
	}
}


/// Notification about the result of a friend add request (ZC_ADD_FRIENDS_LIST).
/// 0209 <result>.W <account id>.L <char id>.L <name>.24B
/// result:
///     0 = MsgStringTable[821]="You have become friends with (%s)."
///     1 = MsgStringTable[822]="(%s) does not want to be friends with you."
///     2 = MsgStringTable[819]="Your Friend List is full."
///     3 = MsgStringTable[820]="(%s)'s Friend List is full."
void clif_friendslist_reqack(struct map_session_data *sd, struct map_session_data *f_sd, int type)
{
	int fd;
	nullpo_retv(sd);

	fd = sd->fd;
	WFIFOHEAD(fd,packet_len(0x209));
	WFIFOW(fd,0) = 0x209;
	WFIFOW(fd,2) = type;
	if (f_sd) {
		WFIFOL(fd,4) = f_sd->status.account_id;
		WFIFOL(fd,8) = f_sd->status.char_id;
		safestrncpy(WFIFOCP(fd, 12), f_sd->status.name,NAME_LENGTH);
	}
	WFIFOSET(fd, packet_len(0x209));
}


/// Asks a player for permission to be added as friend (ZC_REQ_ADD_FRIENDS).
/// 0207 <req account id>.L <req char id>.L <req char name>.24B
void clif_friendlist_req(struct map_session_data* sd, uint32 account_id, uint32 char_id, const char* name)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x207));
	WFIFOW(fd,0) = 0x207;
	WFIFOL(fd,2) = account_id;
	WFIFOL(fd,6) = char_id;
	safestrncpy(WFIFOCP(fd,10), name, NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x207));
}


/// Request to add a player as friend (CZ_ADD_FRIENDS).
/// 0202 <name>.24B
void clif_parse_FriendsListAdd(int fd, struct map_session_data *sd)
{
	struct map_session_data *f_sd;
	int i;

	f_sd = map_nick2sd(RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]),false);

	// Friend doesn't exist (no player with this name)
	if (f_sd == NULL) {
		clif_displaymessage(fd, msg_txt(sd,3));
		return;
	}

	if( sd->bl.id == f_sd->bl.id ) {// adding oneself as friend
		return;
	}

	// ensure that the request player's friend list is not full
	ARR_FIND(0, MAX_FRIENDS, i, sd->status.friends[i].char_id == 0);

	if( i == MAX_FRIENDS ){
		clif_friendslist_reqack(sd, f_sd, 2);
		return;
	}

	// @noask [LuzZza]
	if(f_sd->state.noask) {
		clif_noask_sub(sd, f_sd, 5);
		return;
	}

	// Friend already exists
	for (i = 0; i < MAX_FRIENDS && sd->status.friends[i].char_id != 0; i++) {
		if (sd->status.friends[i].char_id == f_sd->status.char_id) {
			clif_displaymessage(fd, msg_txt(sd,671)); //"Friend already exists."
			return;
		}
	}

	f_sd->friend_req = sd->status.char_id;
	sd->friend_req   = f_sd->status.char_id;

	clif_friendlist_req(f_sd, sd->status.account_id, sd->status.char_id, sd->status.name);
}


/// Answer to a friend add request (CZ_ACK_REQ_ADD_FRIENDS).
/// 0208 <inviter account id>.L <inviter char id>.L <reply>.B
/// 0208 <inviter account id>.L <inviter char id>.L <reply>.L (PACKETVER >= 6)
/// reply:
///     0 = rejected
///     1 = accepted
void clif_parse_FriendsListReply(int fd, struct map_session_data *sd)
{
	struct map_session_data *f_sd;
	uint32 account_id;
	char reply;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	account_id = RFIFOL(fd,info->pos[0]);
	//char_id = RFIFOL(fd,info->pos[1]);
#if PACKETVER < 6
	reply = RFIFOB(fd,info->pos[2]);
#else
	reply = RFIFOL(fd,info->pos[2]);
#endif

	if( sd->bl.id == account_id ) {// adding oneself as friend
		return;
	}

	f_sd = map_id2sd(account_id); //The account id is the same as the bl.id of players.
	if (f_sd == NULL)
		return;

	if (reply == 0 || !( sd->friend_req == f_sd->status.char_id && f_sd->friend_req == sd->status.char_id ) )
		clif_friendslist_reqack(f_sd, sd, 1);
	else {
		int i;
		// Find an empty slot
		for (i = 0; i < MAX_FRIENDS; i++)
			if (f_sd->status.friends[i].char_id == 0)
				break;
		if (i == MAX_FRIENDS) {
			clif_friendslist_reqack(f_sd, sd, 2);
			return;
		}

		f_sd->status.friends[i].account_id = sd->status.account_id;
		f_sd->status.friends[i].char_id = sd->status.char_id;
		safestrncpy(f_sd->status.friends[i].name, sd->status.name, NAME_LENGTH);
		clif_friendslist_reqack(f_sd, sd, 0);

		achievement_update_objective(f_sd, AG_ADD_FRIEND, 1, i + 1);

		if (battle_config.friend_auto_add) {
			// Also add f_sd to sd's friendlist.
			for (i = 0; i < MAX_FRIENDS; i++) {
				if (sd->status.friends[i].char_id == f_sd->status.char_id)
					return; //No need to add anything.
				if (sd->status.friends[i].char_id == 0)
					break;
			}
			if (i == MAX_FRIENDS) {
				clif_friendslist_reqack(sd, f_sd, 2);
				return;
			}

			sd->status.friends[i].account_id = f_sd->status.account_id;
			sd->status.friends[i].char_id = f_sd->status.char_id;
			safestrncpy(sd->status.friends[i].name, f_sd->status.name, NAME_LENGTH);
			clif_friendslist_reqack(sd, f_sd, 0);

			achievement_update_objective(sd, AG_ADD_FRIEND, 1, i + 1);
		}
	}
}


/// Request to delete a friend (CZ_DELETE_FRIENDS).
/// 0203 <account id>.L <char id>.L
void clif_parse_FriendsListRemove(int fd, struct map_session_data *sd)
{
	struct map_session_data *f_sd = NULL;
	uint32 account_id, char_id;
	int i, j;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	account_id = RFIFOL(fd,info->pos[0]);
	char_id = RFIFOL(fd,info->pos[1]);

	// Search friend
	for (i = 0; i < MAX_FRIENDS &&
		(sd->status.friends[i].char_id != char_id || sd->status.friends[i].account_id != account_id); i++);

	if (i == MAX_FRIENDS) {
		clif_displaymessage(fd, msg_txt(sd,672)); //"Name not found in list."
		return;
	}

	//remove from friend's list first
	if( (f_sd = map_id2sd(account_id)) && f_sd->status.char_id == char_id) {
		for (i = 0; i < MAX_FRIENDS &&
			(f_sd->status.friends[i].char_id != sd->status.char_id || f_sd->status.friends[i].account_id != sd->status.account_id); i++);

		if (i != MAX_FRIENDS) {
			// move all chars up
			for(j = i + 1; j < MAX_FRIENDS; j++)
				memcpy(&f_sd->status.friends[j-1], &f_sd->status.friends[j], sizeof(f_sd->status.friends[0]));

			memset(&f_sd->status.friends[MAX_FRIENDS-1], 0, sizeof(f_sd->status.friends[MAX_FRIENDS-1]));
			//should the guy be notified of some message? we should add it here if so
			WFIFOHEAD(f_sd->fd,packet_len(0x20a));
			WFIFOW(f_sd->fd,0) = 0x20a;
			WFIFOL(f_sd->fd,2) = sd->status.account_id;
			WFIFOL(f_sd->fd,6) = sd->status.char_id;
			WFIFOSET(f_sd->fd, packet_len(0x20a));
		}

	} else { //friend not online -- ask char server to delete from his friendlist
		if(chrif_removefriend(char_id,sd->status.char_id)) { // char-server offline, abort
			clif_displaymessage(fd, msg_txt(sd,673)); //"This action can't be performed at the moment. Please try again later."
			return;
		}
	}

	// We can now delete from original requester
	for (i = 0; i < MAX_FRIENDS &&
		(sd->status.friends[i].char_id != char_id || sd->status.friends[i].account_id != account_id); i++);
	// move all chars up
	for(j = i + 1; j < MAX_FRIENDS; j++)
		memcpy(&sd->status.friends[j-1], &sd->status.friends[j], sizeof(sd->status.friends[0]));

	memset(&sd->status.friends[MAX_FRIENDS-1], 0, sizeof(sd->status.friends[MAX_FRIENDS-1]));
	clif_displaymessage(fd, msg_txt(sd,674)); //"Friend removed"

	WFIFOHEAD(fd,packet_len(0x20a));
	WFIFOW(fd,0) = 0x20a;
	WFIFOL(fd,2) = account_id;
	WFIFOL(fd,6) = char_id;
	WFIFOSET(fd, packet_len(0x20a));
}


/// /pvpinfo list (ZC_ACK_PVPPOINT).
/// 0210 <char id>.L <account id>.L <win point>.L <lose point>.L <point>.L
void clif_PVPInfo(struct map_session_data* sd)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x210));
	WFIFOW(fd,0) = 0x210;
	WFIFOL(fd,2) = sd->status.char_id;
	WFIFOL(fd,6) = sd->status.account_id;
	WFIFOL(fd,10) = sd->pvp_won;	// times won
	WFIFOL(fd,14) = sd->pvp_lost;	// times lost
	WFIFOL(fd,18) = sd->pvp_point;
	WFIFOSET(fd, packet_len(0x210));
}


/// /pvpinfo (CZ_REQ_PVPPOINT).
/// 020f <char id>.L <account id>.L
void clif_parse_PVPInfo(int fd,struct map_session_data *sd)
{
	// TODO: Is there a way to use this on an another player (char/acc id)?
	//int cid = RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	//int aid = RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[1]);
	clif_PVPInfo(sd);
}

/// SG Feel save OK [Komurka] (CZ_AGREE_STARPLACE).
/// 0254 <which>.B
/// which: (unused atm for security purpose)
///     0 = sun
///     1 = moon
///     2 = star
void clif_parse_FeelSaveOk(int fd,struct map_session_data *sd)
{
	int i;
	//int wich = RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	if (sd->menuskill_id != SG_FEEL)
		return;
	i = sd->menuskill_val-1;
	if (i<0 || i >= MAX_PC_FEELHATE) return; //Bug?

	sd->feel_map[i].index = map_id2index(sd->bl.m);
	sd->feel_map[i].m = sd->bl.m;
	pc_setglobalreg(sd, add_str(sg_info[i].feel_var), sd->feel_map[i].index);

//Are these really needed? Shouldn't they show up automatically from the feel save packet?
//	clif_misceffect2(&sd->bl, 0x1b0);
//	clif_misceffect2(&sd->bl, 0x21f);
	clif_feel_info(sd, i, 0);
	clif_menuskill_clear(sd);
}


/// Star Gladiator's Feeling map confirmation prompt (ZC_STARPLACE).
/// 0253 <which>.B
/// which:
///     0 = sun
///     1 = moon
///     2 = star
void clif_feel_req(int fd, struct map_session_data *sd, uint16 skill_lv)
{
	WFIFOHEAD(fd,packet_len(0x253));
	WFIFOW(fd,0)=0x253;
	WFIFOB(fd,2)=TOB(skill_lv-1);
	WFIFOSET(fd, packet_len(0x253));
	sd->menuskill_id = SG_FEEL;
	sd->menuskill_val = skill_lv;
}


/// Request to change homunculus' name (CZ_RENAME_MER).
/// 0231 <name>.24B
void clif_parse_ChangeHomunculusName(int fd, struct map_session_data *sd){
	hom_change_name(sd,RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]));
}


/// Request to warp/move homunculus/mercenary to it's owner (CZ_REQUEST_MOVETOOWNER).
/// 0234 <id>.L
void clif_parse_HomMoveToMaster(int fd, struct map_session_data *sd){
	int id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]); // Mercenary or Homunculus
	struct block_list *bl = NULL;
	struct unit_data *ud = NULL;

	if( sd->md && sd->md->bl.id == id )
		bl = &sd->md->bl;
	else if( hom_is_active(sd->hd) && sd->hd->bl.id == id )
		bl = &sd->hd->bl; // Moving Homunculus
	else
		return;

	unit_calc_pos(bl, sd->bl.x, sd->bl.y, sd->ud.dir);
	ud = unit_bl2ud(bl);
	unit_walktoxy(bl, ud->to_x, ud->to_y, 4);
}


/// Request to move homunculus/mercenary (CZ_REQUEST_MOVENPC).
/// 0232 <id>.L <position data>.3B
void clif_parse_HomMoveTo(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int id = RFIFOL(fd,info->pos[0]); // Mercenary or Homunculus
	struct block_list *bl = NULL;
	short x, y;

	RFIFOPOS(fd, info->pos[1], &x, &y, NULL);

	if( sd->md && sd->md->bl.id == id )
		bl = &sd->md->bl; // Moving Mercenary
	else if( hom_is_active(sd->hd) && sd->hd->bl.id == id )
		bl = &sd->hd->bl; // Moving Homunculus
	else
		return;

	unit_walktoxy(bl, x, y, 4);
}


/// Request to do an action with homunculus/mercenary (CZ_REQUEST_ACTNPC).
/// 0233 <id>.L <target id>.L <action>.B
/// action:
///     always 0
void clif_parse_HomAttack(int fd,struct map_session_data *sd)
{
	struct block_list *bl = NULL;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int id = RFIFOL(fd,info->pos[0]);
	int target_id = RFIFOL(fd,info->pos[1]);
	int action_type = RFIFOB(fd,info->pos[2]);

	if( hom_is_active(sd->hd) && sd->hd->bl.id == id )
		bl = &sd->hd->bl;
	else if( sd->md && sd->md->bl.id == id )
		bl = &sd->md->bl;
	else return;

	unit_stop_attack(bl);
	unit_attack(bl, target_id, action_type != 0);
}


/// Request to invoke a homunculus menu action (CZ_COMMAND_MER).
/// 022d <type>.W <command>.B
/// type:
///     always 0
/// command:
///     0 = homunculus information
///     1 = feed
///     2 = delete
void clif_parse_HomMenu(int fd, struct map_session_data *sd)
{	//[orn]
	int cmd = RFIFOW(fd,0);
	//int type = RFIFOW(fd,packet_db[cmd].pos[0]);
	if(!hom_is_active(sd->hd))
		return;

	hom_menu(sd,RFIFOB(fd,packet_db[cmd].pos[1]));
}


/// Request to resurrect oneself using Token of Siegfried (CZ_STANDING_RESURRECTION).
/// 0292
void clif_parse_AutoRevive(int fd, struct map_session_data *sd)
{
	pc_revive_item(sd);
}


/// Information about character's status values (ZC_ACK_STATUS_GM).
/// 0214 <str>.B <standardStr>.B <agi>.B <standardAgi>.B <vit>.B <standardVit>.B
///      <int>.B <standardInt>.B <dex>.B <standardDex>.B <luk>.B <standardLuk>.B
///      <attPower>.W <refiningPower>.W <max_mattPower>.W <min_mattPower>.W
///      <itemdefPower>.W <plusdefPower>.W <mdefPower>.W <plusmdefPower>.W
///      <hitSuccessValue>.W <avoidSuccessValue>.W <plusAvoidSuccessValue>.W
///      <criticalSuccessValue>.W <ASPD>.W <plusASPD>.W
void clif_check(int fd, struct map_session_data* pl_sd)
{
	WFIFOHEAD(fd,packet_len(0x214));
	WFIFOW(fd, 0) = 0x214;
	WFIFOB(fd, 2) = min(pl_sd->status.str, UINT8_MAX);
	WFIFOB(fd, 3) = pc_need_status_point(pl_sd, SP_STR, 1);
	WFIFOB(fd, 4) = min(pl_sd->status.agi, UINT8_MAX);
	WFIFOB(fd, 5) = pc_need_status_point(pl_sd, SP_AGI, 1);
	WFIFOB(fd, 6) = min(pl_sd->status.vit, UINT8_MAX);
	WFIFOB(fd, 7) = pc_need_status_point(pl_sd, SP_VIT, 1);
	WFIFOB(fd, 8) = min(pl_sd->status.int_, UINT8_MAX);
	WFIFOB(fd, 9) = pc_need_status_point(pl_sd, SP_INT, 1);
	WFIFOB(fd,10) = min(pl_sd->status.dex, UINT8_MAX);
	WFIFOB(fd,11) = pc_need_status_point(pl_sd, SP_DEX, 1);
	WFIFOB(fd,12) = min(pl_sd->status.luk, UINT8_MAX);
	WFIFOB(fd,13) = pc_need_status_point(pl_sd, SP_LUK, 1);
	WFIFOW(fd,14) = pl_sd->battle_status.batk+pl_sd->battle_status.rhw.atk+pl_sd->battle_status.lhw.atk;
	WFIFOW(fd,16) = pl_sd->battle_status.rhw.atk2+pl_sd->battle_status.lhw.atk2;
	WFIFOW(fd,18) = pl_sd->battle_status.matk_max;
	WFIFOW(fd,20) = pl_sd->battle_status.matk_min;
	WFIFOW(fd,22) = pl_sd->battle_status.def;
	WFIFOW(fd,24) = pl_sd->battle_status.def2;
	WFIFOW(fd,26) = pl_sd->battle_status.mdef;
	WFIFOW(fd,28) = pl_sd->battle_status.mdef2;
	WFIFOW(fd,30) = pl_sd->battle_status.hit;
	WFIFOW(fd,32) = pl_sd->battle_status.flee;
	WFIFOW(fd,34) = pl_sd->battle_status.flee2/10;
	WFIFOW(fd,36) = pl_sd->battle_status.cri/10;
	WFIFOW(fd,38) = (2000-pl_sd->battle_status.amotion)/10;  // aspd
	WFIFOW(fd,40) = 0;  // FIXME: What is 'plusASPD' supposed to be? Maybe adelay?
	WFIFOSET(fd,packet_len(0x214));
}


/// /check (CZ_REQ_STATUS_GM).
/// Request character's status values.
/// 0213 <char name>.24B
void clif_parse_Check(int fd, struct map_session_data *sd)
{
	char charname[NAME_LENGTH];
	struct map_session_data* pl_sd;

	if(!pc_has_permission(sd, PC_PERM_USE_CHECK))
		return;

	safestrncpy(charname, RFIFOCP(fd,packet_db[RFIFOW(fd,0)].pos[0]), sizeof(charname));

	if( ( pl_sd = map_nick2sd(charname,false) ) == NULL || pc_get_group_level(sd) < pc_get_group_level(pl_sd) )
	{
		return;
	}

	clif_check(fd, pl_sd);
}



/// MAIL SYSTEM
/// By Zephyrus
///

/// Notification about the result of adding an item to mail
/// 0255 <index>.W <result>.B (ZC_ACK_MAIL_ADD_ITEM)
/// result:
///     0 = success
///     1 = failure
/// 0a05 <result>.B <index>.W <amount>.W <item id>.W <item type>.B <identified>.B <damaged>.B <refine>.B (ZC_ACK_ADD_ITEM_TO_MAIL)
///		{ <card id>.W }*4 { <option index>.W <option value>.W <option parameter>.B }*5
/// result:
///		0 = success
///		1 = over weight
///		2 = fatal error
void clif_Mail_setattachment(struct map_session_data* sd, int index, int amount, uint8 flag)
{
	int fd = sd->fd;

#if PACKETVER < 20150513
	WFIFOHEAD(fd,packet_len(0x255));
	WFIFOW(fd,0) = 0x255;
	WFIFOW(fd,2) = index;
	WFIFOB(fd,4) = flag;
	WFIFOSET(fd,packet_len(0x255));
#else
	struct item* item = &sd->inventory.u.items_inventory[index-2];
	int i, total = 0;

	WFIFOHEAD(fd, 53);
	WFIFOW(fd, 0) = 0xa05;
	WFIFOB(fd, 2) = flag;
	WFIFOW(fd, 3) = index;
	WFIFOW(fd, 5) = amount;
	WFIFOW(fd, 7) = item->nameid;
	WFIFOB(fd, 9) = itemtype(item->nameid);
	WFIFOB(fd, 10) = item->identify;
	WFIFOB(fd, 11) = item->attribute;
	WFIFOB(fd, 12) = item->refine;
	clif_addcards(WFIFOP(fd,13), item);
	clif_add_random_options(WFIFOP(fd,21), item);

	for( i = 0; i < MAIL_MAX_ITEM; i++ ){
		if( sd->mail.item[i].nameid == 0 ){
			break;
		}

		total += sd->mail.item[i].amount * ( sd->inventory_data[sd->mail.item[i].index]->weight / 10 );
	}

	WFIFOW(fd, 46) = total;
	// 5 empty unknown bytes
	memset(WFIFOP(fd, 48), 0, 5);
	WFIFOSET(fd, 53);
#endif
}


/// Notification about the result of retrieving a mail attachment
/// 0245 <result>.B (ZC_MAIL_REQ_GET_ITEM)
/// result:
///     0 = success
///     1 = failure
///     2 = too many items
/// 09f2 <mail id>.Q <mail tab>.B <result>.B (ZC_ACK_ZENY_FROM_MAIL)
/// 09f4 <mail id>.Q <mail tab>.B <result>.B (ZC_ACK_ITEM_FROM_MAIL)
void clif_mail_getattachment(struct map_session_data* sd, struct mail_message *msg, uint8 result, enum mail_attachment_type type) {
	int fd = sd->fd;

#if PACKETVER < 20150513
	WFIFOHEAD(fd,packet_len(0x245));
	WFIFOW(fd,0) = 0x245;
	WFIFOB(fd,2) = result;
	WFIFOSET(fd,packet_len(0x245));
#else
	switch( type ){
		case MAIL_ATT_ITEM:
		case MAIL_ATT_ZENY:
			break;
		default:
			return;
	}

	WFIFOHEAD(fd, 12);
	WFIFOW(fd, 0) = type == MAIL_ATT_ZENY ? 0x9f2 : 0x9f4;
	WFIFOQ(fd, 2) = msg->id;
	WFIFOB(fd, 10) = msg->type;
	WFIFOB(fd, 11) = result;
	WFIFOSET(fd, 12);

	clif_Mail_refreshinbox( sd, msg->type, 0 );
#endif
}


/// Notification about the result of sending a mail
/// 0249 <result>.B (ZC_MAIL_REQ_SEND)
/// result:
///     0 = success
///     1 = recipinent does not exist
/// 09ed <result>.B (ZC_ACK_WRITE_MAIL)
void clif_Mail_send(struct map_session_data* sd, enum mail_send_result result){
	int fd = sd->fd;
#if PACKETVER < 20150513
	WFIFOHEAD(fd,packet_len(0x249));
	WFIFOW(fd,0) = 0x249;
	WFIFOB(fd,2) = result != WRITE_MAIL_SUCCESS;
	WFIFOSET(fd,packet_len(0x249));
#else
	WFIFOHEAD(fd, 3);
	WFIFOW(fd, 0) = 0x9ed;
	WFIFOB(fd, 2) = result;
	WFIFOSET(fd, 3);
#endif
}


/// Notification about the result of deleting a mail.
/// 0257 <mail id>.L <result>.W (ZC_ACK_MAIL_DELETE)
/// result:
///     0 = success
///     1 = failure
// 09f6 <mail tab>.B <mail id>.Q (ZC_ACK_DELETE_MAIL)
void clif_mail_delete( struct map_session_data* sd, struct mail_message *msg, bool success ){
	int fd = sd->fd;

#if PACKETVER < 20150513
	WFIFOHEAD(fd, packet_len(0x257));
	WFIFOW(fd,0) = 0x257;
	WFIFOL(fd,2) = msg->id;
	WFIFOW(fd,6) = !success;
	WFIFOSET(fd, packet_len(0x257));
#else
	// This is only a success notification
	if( success ){
		WFIFOHEAD(fd, 11);
		WFIFOW(fd, 0) = 0x9f6;
		WFIFOB(fd, 2) = msg->type;
		WFIFOQ(fd, 3) = msg->id;
		WFIFOSET(fd, 11);
	}
#endif
}


/// Notification about the result of returning a mail (ZC_ACK_MAIL_RETURN).
/// 0274 <mail id>.L <result>.W
/// result:
///     0 = success
///     1 = failure
void clif_Mail_return(int fd, int mail_id, short fail)
{
	WFIFOHEAD(fd,packet_len(0x274));
	WFIFOW(fd,0) = 0x274;
	WFIFOL(fd,2) = mail_id;
	WFIFOW(fd,6) = fail;
	WFIFOSET(fd,packet_len(0x274));
}

/// Notification about new mail.
/// 024a <mail id>.L <title>.40B <sender>.24B (ZC_MAIL_RECEIVE)
/// 09e7 <result>.B (ZC_NOTIFY_UNREADMAIL)
void clif_Mail_new(struct map_session_data* sd, int mail_id, const char *sender, const char *title){
	int fd = sd->fd;
#if PACKETVER < 20150513
	WFIFOHEAD(fd,packet_len(0x24a));
	WFIFOW(fd,0) = 0x24a;
	WFIFOL(fd,2) = mail_id;
	safestrncpy(WFIFOCP(fd,6), title, MAIL_TITLE_LENGTH);
	safestrncpy(WFIFOCP(fd,46), sender, NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x24a));
#else
	WFIFOHEAD(fd,3);
	WFIFOW(fd,0) = 0x9e7;
	WFIFOB(fd,2) = sd->mail.inbox.unread > 0 || sd->mail.inbox.unchecked > 0; // unread
	WFIFOSET(fd,3);
#endif
}

/// Opens/closes the mail window (ZC_MAIL_WINDOWS).
/// 0260 <type>.L
/// type:
///     0 = open
///     1 = close
void clif_Mail_window(int fd, int flag)
{
	WFIFOHEAD(fd,packet_len(0x260));
	WFIFOW(fd,0) = 0x260;
	WFIFOL(fd,2) = flag;
	WFIFOSET(fd,packet_len(0x260));
}

/// Lists mails stored in inbox.
/// 0240 <packet len>.W <amount>.L { <mail id>.L <title>.40B <read>.B <sender>.24B <time>.L }*amount (ZC_MAIL_REQ_GET_LIST)
/// read:
///     0 = unread
///     1 = read
/// 09f0 <packet len>.W <type>.B <amount>.B <last page>.B (ZC_ACK_MAIL_LIST)
///		{ <mail id>.Q <read>.B <type>.B <sender>.24B <received>.L <expires>.L <title length>.W <title>.?B }*
/// 0a7d <packet len>.W <type>.B <amount>.B <last page>.B (ZC_ACK_MAIL_LIST2)
///		{ <mail id>.Q <read>.B <type>.B <sender>.24B <received>.L <expires>.L <title length>.W <title>.?B }*
/// 0ac2 <packet len>.W <unknown>.B (ZC_ACK_MAIL_LIST3)
///		{ <type>.B <mail id>.Q <read>.B <type>.B <sender>.24B <expires>.L <title length>.W <title>.?B }*
void clif_Mail_refreshinbox(struct map_session_data *sd,enum mail_inbox_type type,int64 mailID){
#if PACKETVER < 20150513
	int fd = sd->fd;
	struct mail_data *md = &sd->mail.inbox;
	struct mail_message *msg;
	int len, i, j;

	len = 8 + (73 * md->amount);

	WFIFOHEAD(fd,len);
	WFIFOW(fd,0) = 0x240;
	WFIFOW(fd,2) = len;
	WFIFOL(fd,4) = md->amount;
	for( i = j = 0; i < MAIL_MAX_INBOX && j < md->amount; i++ )
	{
		msg = &md->msg[i];
		if (msg->id < 1)
			continue;

		WFIFOL(fd,8+73*j) = msg->id;
		memcpy(WFIFOP(fd,12+73*j), msg->title, MAIL_TITLE_LENGTH);
		WFIFOB(fd,52+73*j) = (msg->status != MAIL_UNREAD);
		safestrncpy(WFIFOCP(fd,53+73*j), msg->send_name, NAME_LENGTH);
		WFIFOL(fd,77+73*j) = (uint32)msg->timestamp;
		j++;
	}
	WFIFOSET(fd,len);

	if( md->full ) {// TODO: is this official?
		char output[100];
		safesnprintf(output,sizeof(output),"Inbox is full (Max %d). Delete some mails.", MAIL_MAX_INBOX);
		clif_messagecolor(&sd->bl, color_table[COLOR_LIGHT_GREEN], output, false, SELF);
	}
#else
	int fd = sd->fd;
	struct mail_data *md = &sd->mail.inbox;
	struct mail_message *msg;
	int i, j, k, offset, titleLength;
	uint8 mailType, amount, remaining;
	uint32 now = (uint32)time(NULL);
#if PACKETVER >= 20170419
	int cmd = 0xac2;
#elif PACKETVER >= 20160601
	int cmd = 0xa7d;
#else
	int cmd = 0x9f0;
#endif

	if( battle_config.mail_daily_count ){
		mail_refresh_remaining_amount(sd);
	}

#if PACKETVER >= 20170419
	// Always send all
	i = md->amount;
#else
	// If a starting mail id was sent
	if( mailID != 0 ){
		ARR_FIND( 0, md->amount, i, md->msg[i].id == mailID );

		// Unknown mail
		if( i == md->amount ){
			// Ignore the request for now
			return; // TODO: Should we just show the first page instead?
		}

		// It was actually the oldest/first mail, there is no further page
		if( i == 0 ){
			return;
		}

		// We actually want the next/older mail
		i -= 1;
	}else{
		i = md->amount;
	}
#endif
	
	// Count the remaining mails from the starting mail or the beginning
	// Only count mails of the target type(before 2017-04-19) and those that should not have been deleted already
	for( j = i, remaining = 0; j >= 0; j-- ){
		msg = &md->msg[j];

		if (msg->id < 1)
			continue;
#if PACKETVER < 20170419
		if (msg->type != type)
			continue;
#endif
		if (msg->scheduled_deletion > 0 && msg->scheduled_deletion <= now)
			continue;

		remaining++;
	}

#if PACKETVER >= 20170419
	// Always send all
	amount = remaining;
#else
	if( remaining > MAIL_PAGE_SIZE ){
		amount = MAIL_PAGE_SIZE;
	}else{
		amount = remaining;
	}
#endif

	WFIFOHEAD(fd, 7 + ((44 + MAIL_TITLE_LENGTH) * amount));
	WFIFOW(fd, 0) = cmd;
#if PACKETVER >= 20170419
	WFIFOB(fd, 4) = 1; // Unknown
	offset = 5;
#else
	WFIFOB(fd, 4) = type;
	WFIFOB(fd, 5) = amount;
	WFIFOB(fd, 6) = ( remaining < MAIL_PAGE_SIZE ); // last page
	offset = 7;
#endif

	for( amount = 0; i >= 0; i-- ){
		msg = &md->msg[i];

		if (msg->id < 1)
			continue;
#if PACKETVER < 20170419
		if (msg->type != type)
			continue;
#endif
		if (msg->scheduled_deletion > 0 && msg->scheduled_deletion <= now)
			continue;

#if PACKETVER >= 20170419
		WFIFOB(fd, offset) = msg->type;
		offset += 1;
#endif

		WFIFOQ(fd, offset + 0) = (uint64)msg->id;
		WFIFOB(fd, offset + 8) = (msg->status != MAIL_UNREAD);

		mailType = MAIL_TYPE_TEXT; // Normal letter

		if( msg->zeny > 0 ){
			mailType |= MAIL_TYPE_ZENY; // Mail contains zeny
		}

		for( k = 0; k < MAIL_MAX_ITEM; k++ ){
			if( msg->item[k].nameid > 0 ){
				mailType |= MAIL_TYPE_ITEM; // Mail contains items
				break;
			}
		}

#if PACKETVER >= 20170419
		// If it came from an npc?
		if( !msg->send_id ){
			mailType |= MAIL_TYPE_NPC;
		}
#endif

		WFIFOB(fd, offset + 9) = mailType;
		safestrncpy(WFIFOCP(fd, offset + 10), msg->send_name, NAME_LENGTH);

#if PACKETVER < 20170419
		// How much time has passed since you received the mail
		WFIFOL(fd, offset + 34 ) = now - (uint32)msg->timestamp;
		offset += 4;
#endif

		// If automatic return/deletion of mails is enabled, notify the client when it will kick in
		if( msg->scheduled_deletion > 0 ){
			WFIFOL(fd, offset + 34) = (uint32)msg->scheduled_deletion - now;
		}else{
			// Fake the scheduled deletion to one year in the future
			// Sadly the client always displays the scheduled deletion after 24 hours no matter how high this value gets [Lemongrass]
			WFIFOL(fd, offset + 34) = 365 * 24 * 60 * 60;
		}

		WFIFOW(fd, offset + 38) = titleLength = (int16)(strlen(msg->title) + 1);
		safestrncpy(WFIFOCP(fd, offset + 40), msg->title, titleLength);

		offset += 40 + titleLength;
	}
	WFIFOW(fd, 2) = (int16)offset;
	WFIFOSET(fd, offset);
#endif
}

/// Mail inbox list request.
/// 023f (CZ_MAIL_GET_LIST)
/// 09e8 <mail tab>.B <mail id>.Q (CZ_OPEN_MAILBOX)
/// 09ee <mail tab>.B <mail id>.Q (CZ_REQ_NEXT_MAIL_LIST)
/// 09ef <mail tab>.B <mail id>.Q (CZ_REQ_REFRESH_MAIL_LIST)
/// 0ac0 <mail id>.Q <unknown>.16B (CZ_OPEN_MAILBOX2)
/// 0ac1 <mail id>.Q <unknown>.16B (CZ_REQ_REFRESH_MAIL_LIST2)
void clif_parse_Mail_refreshinbox(int fd, struct map_session_data *sd){
#if PACKETVER < 20150513
	struct mail_data* md = &sd->mail.inbox;

	if( md->amount < MAIL_MAX_INBOX && (md->full || sd->mail.changed) )
		intif_Mail_requestinbox(sd->status.char_id, 1, MAIL_INBOX_NORMAL);
	else
		clif_Mail_refreshinbox(sd, MAIL_INBOX_NORMAL,0);

	mail_removeitem(sd, 0, sd->mail.item[0].index, sd->mail.item[0].amount);
	mail_removezeny(sd, false);
#else
	int cmd = RFIFOW(fd, 0);
#if PACKETVER < 20170419
	uint8 openType = RFIFOB(fd, 2);
	uint64 mailId = RFIFOQ(fd, 3);
#else
	uint8 openType;
	uint64 mailId = RFIFOQ(fd, 2);
	int i;

	ARR_FIND(0, MAIL_MAX_INBOX, i, sd->mail.inbox.msg[i].id == mailId);

	if( i == MAIL_MAX_INBOX ){
		openType = MAIL_INBOX_NORMAL;
		mailId = 0;
	}else{
		openType = sd->mail.inbox.msg[i].type;
		mailId = 0;
	}
#endif

	switch( openType ){
		case MAIL_INBOX_NORMAL:
		case MAIL_INBOX_ACCOUNT:
		case MAIL_INBOX_RETURNED:
			break;
		default:
			// Unknown type: ignore request
			return;
	}

	if( sd->mail.changed || ( cmd == 0x9ef || cmd == 0xac1 ) ){
		intif_Mail_requestinbox(sd->status.char_id, 1, (enum mail_inbox_type)openType);
		return;
	}

	// If it is not a next page request
	if( cmd != 0x9ee ){
		mailId = 0;
	}

	clif_Mail_refreshinbox(sd,(enum mail_inbox_type)openType,mailId);
#endif
}

/// Opens a mail
/// 0242 <packet len>.W <mail id>.L <title>.40B <sender>.24B <time>.L <zeny>.L (ZC_MAIL_REQ_OPEN)
///     <amount>.L <name id>.W <item type>.W <identified>.B <damaged>.B <refine>.B
///     <card1>.W <card2>.W <card3>.W <card4>.W <message>.?B
/// 09eb <packet len>.W <type>.B <mail id>.Q <message length>.W <zeny>.Q <item count>.B (ZC_ACK_READ_MAIL)
///		{  }*n
// TODO: Packet description => for repeated block
void clif_Mail_read(struct map_session_data *sd, int mail_id)
{
	int i, fd = sd->fd;

	ARR_FIND(0, MAIL_MAX_INBOX, i, sd->mail.inbox.msg[i].id == mail_id);
	if( i == MAIL_MAX_INBOX ) {
		clif_Mail_return(sd->fd, mail_id, 1); // Mail doesn't exist
		ShowWarning("clif_parse_Mail_read: char '%s' trying to read a message not the inbox.\n", sd->status.name);
		return;
	} else {
		struct mail_message *msg = &sd->mail.inbox.msg[i];
		struct item *item;
		struct item_data *data;
		int msg_len = strlen(msg->body), len;
#if PACKETVER >= 20150513
		int offset, j, itemsize, count = 0;
#endif

		if( msg_len == 0 ) {
			strcpy(msg->body, "(no message)"); // TODO: confirm for RODEX
			msg_len = strlen(msg->body);
		}

#if PACKETVER < 20150513
		item = &msg->item[0];

		len = 101 + msg_len;

		WFIFOHEAD(fd,len);
		WFIFOW(fd,0) = 0x242;
		WFIFOW(fd,2) = len;
		WFIFOL(fd,4) = msg->id;
		safestrncpy(WFIFOCP(fd,8), msg->title, MAIL_TITLE_LENGTH + 1);
		safestrncpy(WFIFOCP(fd,48), msg->send_name, NAME_LENGTH + 1);
		WFIFOL(fd,72) = 0;
		WFIFOL(fd,76) = msg->zeny;

		if( item->nameid && (data = itemdb_exists(item->nameid)) != NULL ) {
			WFIFOL(fd,80) = item->amount;
			WFIFOW(fd,84) = (data->view_id)?data->view_id:item->nameid;
			WFIFOW(fd,86) = data->type;
			WFIFOB(fd,88) = item->identify;
			WFIFOB(fd,89) = item->attribute;
			WFIFOB(fd,90) = item->refine;
			WFIFOW(fd,91) = item->card[0];
			WFIFOW(fd,93) = item->card[1];
			WFIFOW(fd,95) = item->card[2];
			WFIFOW(fd,97) = item->card[3];
		} else // no item, set all to zero
			memset(WFIFOP(fd,80), 0x00, 19);

		WFIFOB(fd,99) = (unsigned char)msg_len;
		safestrncpy(WFIFOCP(fd,100), msg->body, msg_len + 1);
		WFIFOSET(fd,len);
#else
		// Count the attached items
		ARR_FIND( 0, MAIL_MAX_ITEM, count, msg->item[count].nameid == 0 );

		msg_len += 1; // Zero Termination

		itemsize = 24 + 5 * 5;
		len = 24 + msg_len+1 + itemsize * count;

		WFIFOHEAD(fd, len);
		WFIFOW(fd, 0) = 0x9eb;
		WFIFOW(fd, 2) = len;
		WFIFOB(fd, 4) = msg->type;
		WFIFOQ(fd, 5) = msg->id;
		WFIFOW(fd, 13) = msg_len;
		WFIFOQ(fd, 15) = msg->zeny;
		WFIFOB(fd, 23) = (uint8)count; // item count
		safestrncpy(WFIFOCP(fd, 24), msg->body, msg_len);

		offset = 24 + msg_len;

		for (j = 0; j < MAIL_MAX_ITEM; j++) {
			item = &msg->item[j];

			if (item->nameid > 0 && item->amount > 0 && (data = itemdb_exists(item->nameid)) != NULL) {
				WFIFOW(fd, offset) = item->amount;
				WFIFOW(fd, offset + 2) = (data->view_id) ? data->view_id : item->nameid;
				WFIFOB(fd, offset + 4) = item->identify;
				WFIFOB(fd, offset + 5) = item->attribute;
				WFIFOB(fd, offset + 6) = item->refine;
				clif_addcards(WFIFOP(fd, offset + 7), item);
				// 4B unsigned long location
				WFIFOB(fd, offset + 15 + 4) = data->type;
				// 2B unsigned short wItemSpriteNumber
				//WFIFOW(fd, offset + 15 + 5) = data->view_id;
				// 2B unsigned short bindOnEquipType
				clif_add_random_options(WFIFOP(fd, offset + 15 + 9 ), item);
				offset += itemsize;
			}
		}

		WFIFOSET(fd, len);
#endif

		if (msg->status == MAIL_UNREAD) {
			msg->status = MAIL_READ;
			intif_Mail_read(mail_id);
			clif_parse_Mail_refreshinbox(fd, sd);

			sd->mail.inbox.unread--;
			clif_Mail_new(sd, 0, msg->send_name, msg->title);
		}
	}
}


/// Request to open a mail.
/// 0241 <mail id>.L (CZ_MAIL_OPEN)
/// 09ea <mail tab>.B <mail id>.Q (CZ_REQ_READ_MAIL)
void clif_parse_Mail_read(int fd, struct map_session_data *sd){
#if PACKETVER < 20150513
	int mail_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
#else
	//uint8 openType = RFIFOB(fd, 2);
	int mail_id = (int)RFIFOQ(fd, 3);
#endif

	if( mail_id <= 0 )
		return;
	if( mail_invalid_operation(sd) )
		return;

	clif_Mail_read(sd, mail_id);
}

/// Allow a player to begin writing a mail
/// 0a12 <receiver>.24B <success>.B (ZC_ACK_OPEN_WRITE_MAIL)
void clif_send_Mail_beginwrite_ack( struct map_session_data *sd, char* name, bool success ){
	int fd = sd->fd;

	WFIFOHEAD(fd, 27);
	WFIFOW(fd, 0) = 0xa12;
	safestrncpy(WFIFOCP(fd, 2), name, NAME_LENGTH);
	WFIFOB(fd, 26) = success;
	WFIFOSET(fd, 27);
}

/// Request to start writing a mail
/// 0a08 <receiver>.24B (CZ_REQ_OPEN_WRITE_MAIL)
void clif_parse_Mail_beginwrite( int fd, struct map_session_data *sd ){
	char name[NAME_LENGTH];

	safestrncpy(name, RFIFOCP(fd, 2), NAME_LENGTH);

	if( sd->state.storage_flag || sd->state.mail_writing || sd->trade_partner ){
		clif_send_Mail_beginwrite_ack(sd, name, false);
		return;
	}

	mail_clear(sd);

	sd->state.mail_writing = true;
	clif_send_Mail_beginwrite_ack(sd, name,true);
}

/// Notification that the client cancelled writing a mail
/// 0a03 (CZ_REQ_CANCEL_WRITE_MAIL)
void clif_parse_Mail_cancelwrite( int fd, struct map_session_data *sd ){
	sd->state.mail_writing = false;
}

/// Give the client information about the recipient, if available
/// 0a14 <char id>.L <class>.W <base level>.W (ZC_CHECK_RECEIVE_CHARACTER_NAME)
/// 0a51 <char id>.L <class>.W <base level>.W <name>.24B (ZC_CHECK_RECEIVE_CHARACTER_NAME2)
void clif_Mail_Receiver_Ack( struct map_session_data* sd, uint32 char_id, short class_, uint32 level, const char* name ){
	int fd = sd->fd;
#if PACKETVER <= 20160302
	int cmd = 0xa14;
#else
	int cmd = 0xa51;
#endif

	WFIFOHEAD(fd, packet_len(cmd));
	WFIFOW(fd, 0) = cmd;
	WFIFOL(fd, 2) = char_id;
	WFIFOW(fd, 6) = class_;
	WFIFOW(fd, 8) = level;
#if PACKETVER >= 20160302
	strncpy(WFIFOCP(fd, 10), name, NAME_LENGTH);
#endif
	WFIFOSET(fd, packet_len(cmd));
}

/// Request information about the recipient
/// 0a13 <name>.24B (CZ_CHECK_RECEIVE_CHARACTER_NAME)
void clif_parse_Mail_Receiver_Check(int fd, struct map_session_data *sd) {
	static char name[NAME_LENGTH];

	safestrncpy(name, RFIFOCP(fd, 2), NAME_LENGTH);

	intif_mail_checkreceiver(sd, name);
}

/// Request to receive mail's attachment.
/// 0244 <mail id>.L (CZ_MAIL_GET_ITEM)
/// 09f1 <mail id>.Q <mail tab>.B (CZ_REQ_ZENY_FROM_MAIL)
/// 09f3 <mail id>.Q <mail tab>.B (CZ_REQ_ITEM_FROM_MAIL)
void clif_parse_Mail_getattach( int fd, struct map_session_data *sd ){
	int i;
	struct mail_message* msg;
#if PACKETVER < 20150513
	int mail_id = RFIFOL(fd, packet_db[RFIFOW(fd, 0)].pos[0]);
	int attachment = MAIL_ATT_ALL;
#else
	uint16 packet_id = RFIFOW(fd, 0);
	int mail_id = (int)RFIFOQ(fd, 2);
	//int openType = RFIFOB(fd, 10);
	int attachment = packet_id == 0x9f1 ? MAIL_ATT_ZENY : packet_id == 0x9f3 ? MAIL_ATT_ITEM : MAIL_ATT_NONE;
#endif

	if( !chrif_isconnected() )
		return;
	if( mail_id <= 0 )
		return;
	if( mail_invalid_operation(sd) )
		return;

	ARR_FIND(0, MAIL_MAX_INBOX, i, sd->mail.inbox.msg[i].id == mail_id);
	if( i == MAIL_MAX_INBOX )
		return;

	msg = &sd->mail.inbox.msg[i];

	if( attachment&MAIL_ATT_ZENY && msg->zeny < 1 ){
		attachment &= ~MAIL_ATT_ZENY;
	}
	
	if( attachment&MAIL_ATT_ITEM ){
		ARR_FIND(0, MAIL_MAX_ITEM, i, msg->item[i].nameid > 0 || msg->item[i].amount > 0);

		// No items were found
		if( i == MAIL_MAX_ITEM ){
			attachment &= ~MAIL_ATT_ITEM;
		}
	}

	// Either no attachment requested at all or there are no zeny or items in the mail
	if( attachment == MAIL_ATT_NONE ){
		return;
	}

	if( attachment&MAIL_ATT_ZENY ){
		if( msg->zeny + sd->status.zeny > MAX_ZENY ){
			clif_mail_getattachment(sd, msg, 1, MAIL_ATT_ZENY); //too many zeny
			return;
		}else{
			// To make sure another request fails
			msg->zeny = 0;
		}
	}

	if( attachment&MAIL_ATT_ITEM ){
		int new_ = 0, totalweight = 0;

		for( i = 0; i < MAIL_MAX_ITEM; i++ ){
			struct item* item = &msg->item[i];

			if( item->nameid > 0 && item->amount > 0 ){
				struct item_data *data;

				if((data = itemdb_exists(item->nameid)) == NULL)
					continue;

				switch( pc_checkadditem(sd, item->nameid, item->amount) ){
					case CHKADDITEM_NEW:
						new_++;
						break;
					case CHKADDITEM_OVERAMOUNT:
						clif_mail_getattachment(sd, msg, 2, MAIL_ATT_ITEM);
						return;
				}

				totalweight += data->weight * item->amount;
			}
		}

		if( ( totalweight + sd->weight ) > sd->max_weight ){
			clif_mail_getattachment(sd, msg, 2, MAIL_ATT_ITEM);
			return;
		}else if( pc_inventoryblank(sd) < new_ ){
			clif_mail_getattachment(sd, msg, 2, MAIL_ATT_ITEM);
			return;
		}

		// To make sure another request fails
		memset(msg->item, 0, MAIL_MAX_ITEM*sizeof(struct item));
	}

	intif_mail_getattach(sd,msg, (enum mail_attachment_type)attachment);
	clif_Mail_read(sd, mail_id);
}


/// Request to delete a mail.
/// 0243 <mail id>.L (CZ_MAIL_DELETE)
/// 09f5 <mail tab>.B <mail id>.Q (CZ_REQ_DELETE_MAIL)
void clif_parse_Mail_delete(int fd, struct map_session_data *sd){
#if PACKETVER < 20150513
	int mail_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
#else
	//int openType = RFIFOB(fd, 2);
	int mail_id = (int)RFIFOQ(fd, 3);
#endif
	int i, j;

	if( !chrif_isconnected() )
		return;
	if( mail_id <= 0 )
		return;
	if( mail_invalid_operation(sd) )
		return;

	ARR_FIND(0, MAIL_MAX_INBOX, i, sd->mail.inbox.msg[i].id == mail_id);
	if (i < MAIL_MAX_INBOX) {
		struct mail_message *msg = &sd->mail.inbox.msg[i];

		// can't delete mail without removing zeny first
		if( msg->zeny > 0 ){
			clif_mail_delete(sd, msg, false);
			return;
		}

		// can't delete mail without removing attachment(s) first
		for( j = 0; j < MAIL_MAX_ITEM; j++ ){
			if( msg->item[j].nameid > 0 && msg->item[j].amount > 0 ){
				clif_mail_delete(sd, msg, false);
				return;
			}
		}

		if( intif_Mail_delete(sd->status.char_id, mail_id) && msg->status == MAIL_UNREAD ){
			sd->mail.inbox.unread--;
			clif_Mail_new(sd,0,NULL,NULL);
		}
	}
}


/// Request to return a mail (CZ_REQ_MAIL_RETURN).
/// 0273 <mail id>.L <receive name>.24B
void clif_parse_Mail_return(int fd, struct map_session_data *sd){
	int mail_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	//char *rec_name = RFIFOP(fd,packet_db[RFIFOW(fd,0)].pos[1]);
	int i;

	if( mail_id <= 0 )
		return;
	if( mail_invalid_operation(sd) )
		return;

	ARR_FIND(0, MAIL_MAX_INBOX, i, sd->mail.inbox.msg[i].id == mail_id);
	if( i < MAIL_MAX_INBOX && sd->mail.inbox.msg[i].send_id != 0 )
		intif_Mail_return(sd->status.char_id, mail_id);
	else
		clif_Mail_return(sd->fd, mail_id, 1);
}


/// Request to add an item or Zeny to mail.
/// 0247 <index>.W <amount>.L (CZ_MAIL_ADD_ITEM)
/// 0a04 <index>.W <amount>.W (CZ_REQ_ADD_ITEM_TO_MAIL)
void clif_parse_Mail_setattach(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int idx = RFIFOW(fd,info->pos[0]);
#if PACKETVER < 20150513
	int amount = RFIFOL(fd,info->pos[1]);
#else
	int amount = RFIFOW(fd,info->pos[1]);
#endif
	unsigned char flag;

	if( !chrif_isconnected() )
		return;
	if (idx < 0 || amount < 0 || idx >= MAX_INVENTORY)
		return;

	flag = mail_setitem(sd, idx, amount);

	if( flag == MAIL_ATTACH_EQUIPSWITCH ){
		clif_msg( sd, C_ITEM_EQUIP_SWITCH );
	}else{
		clif_Mail_setattachment(sd,idx,amount,flag);
	}
}

/// Remove an item from a mail
/// 0a07 <result>.B <index>.W <amount>.W <weight>.W
void clif_mail_removeitem( struct map_session_data* sd, bool success, int index, int amount ){
	int fd = sd->fd;

	WFIFOHEAD(fd, 9);
	WFIFOW(fd, 0) = 0xa07;
	WFIFOB(fd, 2) = success;
	WFIFOW(fd, 3) = index;
	WFIFOW(fd, 5) = amount;

	int total = 0;
	for( int i = 0; i < MAIL_MAX_ITEM; i++ ){
		if( sd->mail.item[i].nameid == 0 ){
			break;
		}

		total += sd->mail.item[i].amount * ( sd->inventory_data[sd->mail.item[i].index]->weight / 10 );
	}

	WFIFOW(fd, 7) = total;
	WFIFOSET(fd, 9);
}

/// Request to reset mail item and/or Zeny
/// 0246 <type>.W (CZ_MAIL_RESET_ITEM)
/// type:
///     0 = reset all
///     1 = remove item
///     2 = remove zeny
/// 0a06 <index>.W <amount>.W (CZ_REQ_REMOVE_ITEM_MAIL)
void clif_parse_Mail_winopen(int fd, struct map_session_data *sd)
{
#if PACKETVER < 20150513
	int type = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]);

	if (type == 0 || type == 1)
		mail_removeitem(sd, 0, sd->mail.item[0].index, sd->mail.item[0].amount);
	if (type == 0 || type == 2)
		mail_removezeny(sd, false);
#else
	uint16 index = RFIFOW(fd, 2);
	uint16 count = RFIFOW(fd, 4);

	mail_removeitem(sd,0,index,count);
#endif
}

/// Request to send mail
/// 0248 <packet len>.W <recipient>.24B <title>.40B <body len>.B <body>.?B (CZ_MAIL_SEND)
/// 09ec <packet len>.W <recipient>.24B <sender>.24B <zeny>.Q <title length>.W <body length>.W <title>.?B <body>.?B (CZ_REQ_WRITE_MAIL)
/// 0a6e <packet len>.W <recipient>.24B <sender>.24B <zeny>.Q <title length>.W <body length>.W <char id>.L <title>.?B <body>.?B (CZ_REQ_WRITE_MAIL2)
void clif_parse_Mail_send(int fd, struct map_session_data *sd){
#if PACKETVER < 20150513
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	if( !chrif_isconnected() )
		return;

	if( RFIFOW(fd,info->pos[0]) < 69 ) {
		ShowWarning("Invalid Msg Len from account %d.\n", sd->status.account_id);
		return;
	}

	mail_send(sd, RFIFOCP(fd,info->pos[1]), RFIFOCP(fd,info->pos[2]), RFIFOCP(fd,info->pos[4]), RFIFOB(fd,info->pos[3]));
#else
	uint16 length = RFIFOW(fd, 2);

	if( length < 0x3e ){
		ShowWarning("Too short...\n");
		clif_Mail_send(sd, WRITE_MAIL_FAILED);
		return;
	}

	// Forged request without a begin writing packet?
	if( !sd->state.mail_writing ){
		return; // Ignore it
	}

	char receiver[NAME_LENGTH];

	safestrncpy(receiver, RFIFOCP(fd, 4), NAME_LENGTH);

//	char sender[NAME_LENGTH];

//	safestrncpy(sender, RFIFOCP(fd, 28), NAME_LENGTH);

	uint64 zeny = RFIFOQ(fd, 52);
	uint16 titleLength = RFIFOW(fd, 60);
	uint16 textLength = RFIFOW(fd, 62);
	uint16 realTitleLength = min(titleLength, MAIL_TITLE_LENGTH);
	uint16 realTextLength = min(textLength, MAIL_BODY_LENGTH);

	char title[MAIL_TITLE_LENGTH];
	char text[MAIL_BODY_LENGTH];

#if PACKETVER <= 20160330
	safestrncpy(title, RFIFOCP(fd, 64), realTitleLength);
	safestrncpy(text, RFIFOCP(fd, 64 + titleLength), realTextLength);
#else
	// 64 = <char id>.L
	safestrncpy(title, RFIFOCP(fd, 68), realTitleLength);
	safestrncpy(text, RFIFOCP(fd, 68 + titleLength), realTextLength);
#endif

	if( zeny > 0 ){
		if( mail_setitem(sd,0,(uint32)zeny) != MAIL_ATTACH_SUCCESS ){
			clif_Mail_send(sd,WRITE_MAIL_FAILED);
			return;
		}
	}

	mail_send(sd, receiver, title, text, realTextLength);
#endif
}


/// AUCTION SYSTEM
/// By Zephyrus
///

/// Opens/closes the auction window (ZC_AUCTION_WINDOWS).
/// 025f <type>.L
/// type:
///     0 = open
///     1 = close
void clif_Auction_openwindow(struct map_session_data *sd)
{
	int fd = sd->fd;

	if( sd->state.storage_flag || sd->state.vending || sd->state.buyingstore || sd->state.trading )
		return;

	if( !battle_config.feature_auction )
		return;

	WFIFOHEAD(fd,packet_len(0x25f));
	WFIFOW(fd,0) = 0x25f;
	WFIFOL(fd,2) = 0;
	WFIFOSET(fd,packet_len(0x25f));
}


/// Returns auction item search results (ZC_AUCTION_ITEM_REQ_SEARCH).
/// 0252 <packet len>.W <pages>.L <count>.L { <auction id>.L <seller name>.24B <name id>.W <type>.L <amount>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W <now price>.L <max price>.L <buyer name>.24B <delete time>.L }*
void clif_Auction_results(struct map_session_data *sd, short count, short pages, uint8 *buf)
{
	int i, fd = sd->fd, len = sizeof(struct auction_data);
	struct auction_data auction;
	struct item_data *item;

	WFIFOHEAD(fd,12 + (count * 83));
	WFIFOW(fd,0) = 0x252;
	WFIFOW(fd,2) = 12 + (count * 83);
	WFIFOL(fd,4) = pages;
	WFIFOL(fd,8) = count;

	for( i = 0; i < count; i++ ) {
		int k = 12 + (i * 83);
		memcpy(&auction, RBUFP(buf,i * len), len);

		WFIFOL(fd,k) = auction.auction_id;
		safestrncpy(WFIFOCP(fd,4+k), auction.seller_name, NAME_LENGTH);

		if( (item = itemdb_exists(auction.item.nameid)) != NULL && item->view_id > 0 )
			WFIFOW(fd,28+k) = item->view_id;
		else
			WFIFOW(fd,28+k) = auction.item.nameid;

		WFIFOL(fd,30+k) = auction.type;
		WFIFOW(fd,34+k) = auction.item.amount; // Always 1
		WFIFOB(fd,36+k) = auction.item.identify;
		WFIFOB(fd,37+k) = auction.item.attribute;
		WFIFOB(fd,38+k) = auction.item.refine;
		WFIFOW(fd,39+k) = auction.item.card[0];
		WFIFOW(fd,41+k) = auction.item.card[1];
		WFIFOW(fd,43+k) = auction.item.card[2];
		WFIFOW(fd,45+k) = auction.item.card[3];
		WFIFOL(fd,47+k) = auction.price;
		WFIFOL(fd,51+k) = auction.buynow;
		safestrncpy(WFIFOCP(fd,55+k), auction.buyer_name, NAME_LENGTH);
		WFIFOL(fd,79+k) = (uint32)auction.timestamp;
	}
	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Result from request to add an item (ZC_ACK_AUCTION_ADD_ITEM).
/// 0256 <index>.W <result>.B
/// result:
///     0 = success
///     1 = failure
static void clif_Auction_setitem(int fd, int index, bool fail)
{
	WFIFOHEAD(fd,packet_len(0x256));
	WFIFOW(fd,0) = 0x256;
	WFIFOW(fd,2) = index;
	WFIFOB(fd,4) = fail;
	WFIFOSET(fd,packet_len(0x256));
}


/// Request to initialize 'new auction' data (CZ_AUCTION_CREATE).
/// 024b <type>.W
/// type:
///     0 = create (any other action in auction window)
///     1 = cancel (cancel pressed on register tab)
///     ? = junk, uninitialized value (ex. when switching between list filters)
void clif_parse_Auction_cancelreg(int fd, struct map_session_data *sd){
	//int type = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	if( sd->auction.amount > 0 )
		clif_additem(sd, sd->auction.index, sd->auction.amount, 0);

	sd->auction.amount = 0;
}


/// Request to add an item to the action (CZ_AUCTION_ADD_ITEM).
/// 024c <index>.W <count>.L
void clif_parse_Auction_setitem(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int idx = RFIFOW(fd,info->pos[0]) - 2;
	int amount = RFIFOL(fd,info->pos[1]); // Always 1
	struct item_data *item;

	if( !battle_config.feature_auction )
		return;

	if( sd->auction.amount > 0 )
		sd->auction.amount = 0;

	if( idx < 0 || idx >= MAX_INVENTORY ) {
		ShowWarning("Character %s trying to set invalid item index in auctions.\n", sd->status.name);
		return;
	}

	if( amount != 1 || amount > sd->inventory.u.items_inventory[idx].amount ) { // By client, amount is always set to 1. Maybe this is a future implementation.
		ShowWarning("Character %s trying to set invalid amount in auctions.\n", sd->status.name);
		return;
	}

	if( (item = itemdb_exists(sd->inventory.u.items_inventory[idx].nameid)) != NULL && !(item->type == IT_ARMOR || item->type == IT_PETARMOR || item->type == IT_WEAPON || item->type == IT_CARD || item->type == IT_ETC || item->type == IT_SHADOWGEAR) )
	{ // Consumable or pets are not allowed
		clif_Auction_setitem(sd->fd, idx, true);
		return;
	}

	if( !pc_can_give_items(sd) || sd->inventory.u.items_inventory[idx].expire_time ||
			!sd->inventory.u.items_inventory[idx].identify ||
			(sd->inventory.u.items_inventory[idx].bound && !pc_can_give_bounded_items(sd)) ||
			!itemdb_available(sd->inventory.u.items_inventory[idx].nameid) ||
			!itemdb_canauction(&sd->inventory.u.items_inventory[idx],pc_get_group_level(sd)) ) { // Quest Item or something else
		clif_Auction_setitem(sd->fd, idx, true);
		return;
	}

	sd->auction.index = idx;
	sd->auction.amount = amount;
	clif_Auction_setitem(fd, idx + 2, false);
}

/// Result from an auction action (ZC_AUCTION_RESULT).
/// 0250 <result>.B
/// result:
///     0 = You have failed to bid into the auction
///     1 = You have successfully bid in the auction
///     2 = The auction has been canceled
///     3 = An auction with at least one bidder cannot be canceled
///     4 = You cannot register more than 5 items in an auction at a time
///     5 = You do not have enough Zeny to pay the Auction Fee
///     6 = You have won the auction
///     7 = You have failed to win the auction
///     8 = You do not have enough Zeny
///     9 = You cannot place more than 5 bids at a time
void clif_Auction_message(int fd, unsigned char flag)
{
	WFIFOHEAD(fd,packet_len(0x250));
	WFIFOW(fd,0) = 0x250;
	WFIFOB(fd,2) = flag;
	WFIFOSET(fd,packet_len(0x250));
}


/// Result of the auction close request (ZC_AUCTION_ACK_MY_SELL_STOP).
/// 025e <result>.W
/// result:
///     0 = You have ended the auction
///     1 = You cannot end the auction
///     2 = Auction ID is incorrect
void clif_Auction_close(int fd, unsigned char flag)
{
	WFIFOHEAD(fd,packet_len(0x25e));
	WFIFOW(fd,0) = 0x25d;  // BUG: The client identifies this packet as 0x25d (CZ_AUCTION_REQ_MY_SELL_STOP)
	WFIFOW(fd,2) = flag;
	WFIFOSET(fd,packet_len(0x25e));
}


/// Request to add an auction (CZ_AUCTION_ADD).
/// 024d <now money>.L <max money>.L <delete hour>.W
void clif_parse_Auction_register(int fd, struct map_session_data *sd)
{
	struct auction_data auction;
	struct item_data *item;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	if( !battle_config.feature_auction )
		return;

	auction.price = RFIFOL(fd,info->pos[0]);
	auction.buynow = RFIFOL(fd,info->pos[1]);
	auction.hours = RFIFOW(fd,info->pos[2]);

	// Invalid Situations...
	if( sd->auction.amount < 1 ) {
		ShowWarning("Character %s trying to register auction without item.\n", sd->status.name);
		return;
	}

	if( auction.price >= auction.buynow ) {
		ShowWarning("Character %s trying to alter auction prices.\n", sd->status.name);
		return;
	}

	if( auction.hours < 1 || auction.hours > 48 ) {
		ShowWarning("Character %s trying to enter an invalid time for auction.\n", sd->status.name);
		return;
	}

	// Auction checks...
	if( sd->inventory.u.items_inventory[sd->auction.index].bound && !pc_can_give_bounded_items(sd) ) {
		clif_displaymessage(sd->fd, msg_txt(sd,293));
		clif_Auction_message(fd, 2); // The auction has been canceled
		return;
	}
	if( sd->status.zeny < (auction.hours * battle_config.auction_feeperhour) ) {
		clif_Auction_message(fd, 5); // You do not have enough zeny to pay the Auction Fee.
		return;
	}

	if( auction.buynow > battle_config.auction_maximumprice ) { // Zeny Limits
		auction.buynow = battle_config.auction_maximumprice;
		if( auction.price >= auction.buynow )
			auction.price = auction.buynow - 1;
	}

	auction.auction_id = 0;
	auction.seller_id = sd->status.char_id;
	safestrncpy(auction.seller_name, sd->status.name, sizeof(auction.seller_name));
	auction.buyer_id = 0;
	memset(auction.buyer_name, '\0', sizeof(auction.buyer_name));

	if( sd->inventory.u.items_inventory[sd->auction.index].nameid == 0 || sd->inventory.u.items_inventory[sd->auction.index].amount < sd->auction.amount )
	{
		clif_Auction_message(fd, 2); // The auction has been canceled
		return;
	}

	if( (item = itemdb_exists(sd->inventory.u.items_inventory[sd->auction.index].nameid)) == NULL )
	{ // Just in case
		clif_Auction_message(fd, 2); // The auction has been canceled
		return;
	}

	safestrncpy(auction.item_name, item->jname, sizeof(auction.item_name));
	auction.type = item->type;
	memcpy(&auction.item, &sd->inventory.u.items_inventory[sd->auction.index], sizeof(struct item));
	auction.item.amount = 1;
	auction.timestamp = 0;

	if( !intif_Auction_register(&auction) )
		clif_Auction_message(fd, 4); // No Char Server? lets say something to the client
	else
	{
		int zeny = auction.hours*battle_config.auction_feeperhour;

		pc_delitem(sd, sd->auction.index, sd->auction.amount, 1, 6, LOG_TYPE_AUCTION);
		sd->auction.amount = 0;

		pc_payzeny(sd, zeny, LOG_TYPE_AUCTION, NULL);
	}
}


/// Cancels an auction (CZ_AUCTION_ADD_CANCEL).
/// 024e <auction id>.L
void clif_parse_Auction_cancel(int fd, struct map_session_data *sd){
	unsigned int auction_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	intif_Auction_cancel(sd->status.char_id, auction_id);
}


/// Closes an auction (CZ_AUCTION_REQ_MY_SELL_STOP).
/// 025d <auction id>.L
void clif_parse_Auction_close(int fd, struct map_session_data *sd){
	unsigned int auction_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	intif_Auction_close(sd->status.char_id, auction_id);
}


/// Places a bid on an auction (CZ_AUCTION_BUY).
/// 024f <auction id>.L <money>.L
void clif_parse_Auction_bid(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	unsigned int auction_id = RFIFOL(fd,info->pos[0]);
	int bid = RFIFOL(fd,info->pos[1]);

	if( !pc_can_give_items(sd) ) { //They aren't supposed to give zeny [Inkfish]
		clif_displaymessage(sd->fd, msg_txt(sd,246));
		return;
	}

	if( bid <= 0 )
		clif_Auction_message(fd, 0); // You have failed to bid into the auction
	else if( bid > sd->status.zeny )
		clif_Auction_message(fd, 8); // You do not have enough zeny
	else if ( CheckForCharServer() ) // char server is down (bugreport:1138)
		clif_Auction_message(fd, 0); // You have failed to bid into the auction
	else {
		pc_payzeny(sd, bid, LOG_TYPE_AUCTION, NULL);
		intif_Auction_bid(sd->status.char_id, sd->status.name, auction_id, bid);
	}
}


/// Auction Search (CZ_AUCTION_ITEM_SEARCH).
/// 0251 <search type>.W <auction id>.L <search text>.24B <page number>.W
/// search type:
///     0 = armor
///     1 = weapon
///     2 = card
///     3 = misc
///     4 = name search
///     5 = auction id search
void clif_parse_Auction_search(int fd, struct map_session_data* sd){
	char search_text[NAME_LENGTH];
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	short type = RFIFOW(fd,info->pos[0]);
	int price = RFIFOL(fd,info->pos[1]);  // FIXME: bug #5071
	int page = RFIFOW(fd,info->pos[3]);

	if( !battle_config.feature_auction )
		return; 

	clif_parse_Auction_cancelreg(fd, sd);

	safestrncpy(search_text, RFIFOCP(fd,info->pos[2]), sizeof(search_text));
	intif_Auction_requestlist(sd->status.char_id, type, price, search_text, page);
}


/// Requests list of own currently active bids or auctions (CZ_AUCTION_REQ_MY_INFO).
/// 025c <type>.W
/// type:
///     0 = sell (own auctions)
///     1 = buy (own bids)
void clif_parse_Auction_buysell(int fd, struct map_session_data* sd)
{
	short type = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]) + 6;

	if( !battle_config.feature_auction )
		return;

	clif_parse_Auction_cancelreg(fd, sd);

	intif_Auction_requestlist(sd->status.char_id, type, 0, "", 1);
}


/// CASH/POINT SHOP
///

void clif_cashshop_open( struct map_session_data* sd ){
	WFIFOHEAD( sd->fd, 10 );
	WFIFOW( sd->fd, 0 ) = 0x845;
	WFIFOL( sd->fd, 2 ) = sd->cashPoints;
	WFIFOL( sd->fd, 6 ) = sd->kafraPoints;
	WFIFOSET( sd->fd, 10 );
}

void clif_parse_cashshop_open_request( int fd, struct map_session_data* sd ){
	sd->state.cashshop_open = true;
	sd->npc_shopid = -1; // Set npc_shopid when using cash shop from "cash shop" button [Aelys|Susu] bugreport:96
	clif_cashshop_open( sd );
}

void clif_parse_cashshop_close( int fd, struct map_session_data* sd ){
	sd->state.cashshop_open = false;
	sd->npc_shopid = 0; // Reset npc_shopid when using cash shop from "cash shop" button [Aelys|Susu] bugreport:96
	// No need to do anything here
}

//0846 <tabid>.W (CZ_REQ_SE_CASH_TAB_CODE))
//08c0 <len>.W <openIdentity>.L <itemcount>.W (ZC_ACK_SE_CASH_ITEM_LIST2)
void clif_parse_CashShopReqTab(int fd, struct map_session_data *sd) {
	short tab = RFIFOW(fd, packet_db[RFIFOW(fd,0)].pos[0]);
	int j;

	if( tab < 0 || tab >= CASHSHOP_TAB_MAX )
		return;

	WFIFOHEAD(fd, 10 + ( cash_shop_items[tab].count * 6 ) );
	WFIFOW(fd, 0) = 0x8c0;
	WFIFOW(fd, 2) = 10 + ( cash_shop_items[tab].count * 6 );
	WFIFOL(fd, 4) = tab;
	WFIFOW(fd, 8) = cash_shop_items[tab].count;

	for( j = 0; j < cash_shop_items[tab].count; j++ ) {
		struct item_data *id = itemdb_search(cash_shop_items[tab].item[j]->nameid);
		WFIFOW(fd, 10 + ( 6 * j ) ) = (id->view_id) ? id->view_id : cash_shop_items[tab].item[j]->nameid;
		WFIFOL(fd, 12 + ( 6 * j ) ) = cash_shop_items[tab].item[j]->price;
	}

	WFIFOSET(fd, 10 + ( cash_shop_items[tab].count * 6 ));
}

//08ca <len>.W <itemcount> W <tabcode>.W (ZC_ACK_SCHEDULER_CASHITEM)
void clif_cashshop_list( int fd ){
	int tab;

	for( tab = CASHSHOP_TAB_NEW; tab < CASHSHOP_TAB_MAX; tab++ ){
		int length = 8 + cash_shop_items[tab].count * 6;
		int i, offset;

		WFIFOHEAD( fd, length );
		WFIFOW( fd, 0 ) = 0x8ca;
		WFIFOW( fd, 2 ) = length;
		WFIFOW( fd, 4 ) = cash_shop_items[tab].count;
		WFIFOW( fd, 6 ) = tab;

		for( i = 0, offset = 8; i < cash_shop_items[tab].count; i++, offset += 6 ){
			struct item_data *id = itemdb_search(cash_shop_items[tab].item[i]->nameid);
			WFIFOW( fd, offset ) = (id->view_id) ? id->view_id : cash_shop_items[tab].item[i]->nameid;
			WFIFOL( fd, offset + 2 ) = cash_shop_items[tab].item[i]->price;
		}

		WFIFOSET( fd, length );
	}
}

void clif_parse_cashshop_list_request( int fd, struct map_session_data* sd ){
	if( !sd->status.cashshop_sent ) {
		clif_cashshop_list( fd );
#if PACKETVER_SUPPORTS_SALES
		sale_notify_login(sd);
#endif
		sd->status.cashshop_sent = true;
	}
}

/// List of items offered in a cash shop (ZC_PC_CASH_POINT_ITEMLIST).
/// 0287 <packet len>.W <cash point>.L { <sell price>.L <discount price>.L <item type>.B <name id>.W }*
/// 0287 <packet len>.W <cash point>.L <kafra point>.L { <sell price>.L <discount price>.L <item type>.B <name id>.W }* (PACKETVER >= 20070711)
void clif_cashshop_show(struct map_session_data *sd, struct npc_data *nd)
{
	int fd, i, cost[2] = { 0, 0 };
#if PACKETVER < 20070711
	const int offset = 8;
#else
	const int offset = 12;
#endif

	nullpo_retv(sd);
	nullpo_retv(nd);

	fd = sd->fd;
	sd->npc_shopid = nd->bl.id;

	npc_shop_currency_type(sd, nd, cost, true);

	WFIFOHEAD(fd,offset+nd->u.shop.count*11);
	WFIFOW(fd,0) = 0x287;
	WFIFOW(fd,2) = offset+nd->u.shop.count*11;
	WFIFOL(fd,4) = cost[0];
#if PACKETVER >= 20070711
	WFIFOL(fd,8) = cost[1];
#endif

	for( i = 0; i < nd->u.shop.count; i++ ) {
		struct item_data* id = itemdb_search(nd->u.shop.shop_item[i].nameid);
		WFIFOL(fd,offset+0+i*11) = nd->u.shop.shop_item[i].value;
		WFIFOL(fd,offset+4+i*11) = nd->u.shop.shop_item[i].value; // Discount Price
		WFIFOB(fd,offset+8+i*11) = itemtype(id->nameid);
		WFIFOW(fd,offset+9+i*11) = ( id->view_id > 0 ) ? id->view_id : id->nameid;
	}
	WFIFOSET(fd,WFIFOW(fd,2));
}

/// Cashshop Buy Ack (ZC_PC_CASH_POINT_UPDATE).
/// 0289 <cash point>.L <error>.W
/// 0289 <cash point>.L <kafra point>.L <error>.W (PACKETVER >= 20070711)
/// error:
///     0 = The deal has successfully completed. (ERROR_TYPE_NONE)
///     1 = The Purchase has failed because the NPC does not exist. (ERROR_TYPE_NPC)
///     2 = The Purchase has failed because the Kafra Shop System is not working correctly. (ERROR_TYPE_SYSTEM)
///     3 = You are over your Weight Limit. (ERROR_TYPE_INVENTORY_WEIGHT)
///     4 = You cannot purchase items while you are in a trade. (ERROR_TYPE_EXCHANGE)
///     5 = The Purchase has failed because the Item Information was incorrect. (ERROR_TYPE_ITEM_ID)
///     6 = You do not have enough Kafra Credit Points. (ERROR_TYPE_MONEY)
///     7 = You can purchase up to 10 items. (ERROR_TYPE_AMOUNT)
///     8 = Some items could not be purchased. (ERROR_TYPE_PURCHASE_FAIL)
void clif_cashshop_ack(struct map_session_data* sd, int error)
{
	int fd, cost[2] = { 0, 0 };
	struct npc_data *nd;

	nullpo_retv(sd);

	fd = sd->fd;
	nd = map_id2nd(sd->npc_shopid);

	npc_shop_currency_type(sd, nd, cost, false);

	WFIFOHEAD(fd, packet_len(0x289));
	WFIFOW(fd,0) = 0x289;
	WFIFOL(fd,2) = cost[0];
#if PACKETVER < 20070711
	WFIFOW(fd,6) = TOW(error);
#else
	WFIFOL(fd,6) = cost[1];
	WFIFOW(fd,10) = TOW(error);
#endif
	WFIFOSET(fd, packet_len(0x289));
}

void clif_cashshop_result( struct map_session_data *sd, unsigned short item_id, uint16 result ){
	WFIFOHEAD( sd->fd, 16 );
	WFIFOW( sd->fd, 0 ) = 0x849;
	WFIFOL( sd->fd, 2 ) = item_id;
	WFIFOW( sd->fd, 6 ) = result;
	WFIFOL( sd->fd, 8 ) = sd->cashPoints;
	WFIFOL( sd->fd, 12 ) = sd->kafraPoints;
	WFIFOSET( sd->fd, 16 );
}

/// Request to buy item(s) from cash shop (CZ_PC_BUY_CASH_POINT_ITEM).
/// 0288 <name id>.W <amount>.W
/// 0288 <name id>.W <amount>.W <kafra points>.L (PACKETVER >= 20070711)
/// 0288 <packet len>.W <kafra points>.L <count>.W { <amount>.W <name id>.W }.4B*count (PACKETVER >= 20100803)
/// 0848 <packet len>.W <count>.W <packet len>.W <kafra points>.L <count>.W { <amount>.W <name id>.W <tab>.W }.6B*count (PACKETVER >= 20130000)
void clif_parse_cashshop_buy(int fd, struct map_session_data *sd){
	struct s_packet_db* info;
	int cmd = RFIFOW(fd,0);

	nullpo_retv(sd);

	info = &packet_db[cmd];

	if( sd->state.trading || !sd->npc_shopid ) {
		clif_cashshop_ack(sd,1);
		return;
	}
	else {
#if PACKETVER < 20101116
		short nameid = RFIFOW(fd,info->pos[0]);
		short amount = RFIFOW(fd,info->pos[1]);
		int points   = RFIFOL(fd,info->pos[2]);

		clif_cashshop_ack(sd,npc_cashshop_buy(sd, nameid, amount, points));
#else
		int s_itl = (cmd==0x848)?10:4; //item _list size (depend on cmd even for 2013+)
		int len    = RFIFOW(fd,info->pos[0]);
		int points = RFIFOL(fd,info->pos[1]);
		int count  = RFIFOW(fd,info->pos[2]);
		unsigned short* item_list = (unsigned short*)RFIFOP(fd,info->pos[3]);

		if( len < 10 || len != 10 + count * s_itl){
			ShowWarning("Player %u sent incorrect cash shop buy packet (len %u:%u)!\n", sd->status.char_id, len, 10 + count * s_itl);
			return;
		}
		if(cmd==0x848){
			if (cashshop_buylist( sd, points, count, item_list))
				clif_cashshop_ack(sd,0);
			return;
		} else {
			clif_cashshop_ack(sd,npc_cashshop_buylist(sd,points,count,item_list));
			return;
		}
#endif
	}
}

/// Adoption System
///

/// Adoption message (ZC_BABYMSG).
/// 0216 <msg>.L
/// msg:
///     ADOPT_REPLY_MORE_CHILDREN = "You cannot adopt more than 1 child."
///     ADOPT_REPLY_LEVEL_70 = "You must be at least character level 70 in order to adopt someone."
///     ADOPT_REPLY_MARRIED = "You cannot adopt a married person."
void clif_Adopt_reply(struct map_session_data *sd, int type)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,6);
	WFIFOW(fd,0) = 0x216;
	WFIFOL(fd,2) = type;
	WFIFOSET(fd,6);
}


/// Adoption confirmation (ZC_REQ_BABY).
/// 01f6 <account id>.L <char id>.L <name>.B
void clif_Adopt_request(struct map_session_data *sd, struct map_session_data *src, int p_id)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,34);
	WFIFOW(fd,0) = 0x1f6;
	WFIFOL(fd,2) = src->status.account_id;
	WFIFOL(fd,6) = p_id;
	safestrncpy(WFIFOCP(fd,10), src->status.name, NAME_LENGTH);
	WFIFOSET(fd,34);
}


/// Request to adopt a player (CZ_REQ_JOIN_BABY).
/// 01f9 <account id>.L
void clif_parse_Adopt_request(int fd, struct map_session_data *sd)
{
	TBL_PC *tsd = map_id2sd(RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]));
	TBL_PC *p_sd = map_charid2sd(sd->status.partner_id);

	if( pc_try_adopt(sd, p_sd, tsd) == ADOPT_ALLOWED )
	{
		tsd->adopt_invite = sd->status.account_id;
		clif_Adopt_request(tsd, sd, p_sd->status.account_id);
	}
}


/// Answer to adopt confirmation (CZ_JOIN_BABY).
/// 01f7 <account id>.L <char id>.L <answer>.L
/// answer:
///     0 = rejected
///     1 = accepted
void clif_parse_Adopt_reply(int fd, struct map_session_data *sd){
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int p1_id = RFIFOL(fd,info->pos[0]);
	int p2_id = RFIFOL(fd,info->pos[1]);
	int result = RFIFOL(fd,info->pos[2]);
	struct map_session_data* p1_sd = map_id2sd(p1_id);
	struct map_session_data* p2_sd = map_id2sd(p2_id);

	int pid = sd->adopt_invite;
	sd->adopt_invite = 0;

	if( p1_sd == NULL || p2_sd == NULL )
		return; // Both players need to be online

	if( pid != p1_sd->status.account_id )
		return; // Incorrect values

	if( result == 0 )
		return; // Rejected

	pc_adoption(p1_sd, p2_sd, sd);
}


/// Convex Mirror (ZC_BOSS_INFO).
/// 0293 <infoType>.B <x>.L <y>.L <minHours>.W <minMinutes>.W <maxHours>.W <maxMinutes>.W <monster name>.51B
/// infoType:
///     BOSS_INFO_NOT = No boss on this map.
///     BOSS_INFO_ALIVE = Boss is alive (position update).
///     BOSS_INFO_ALIVE_WITHMSG = Boss is alive (initial announce).
///     BOSS_INFO_DEAD = Boss is dead.
void clif_bossmapinfo(struct map_session_data *sd, struct mob_data *md, enum e_bossmap_info flag)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,70);
	memset(WFIFOP(fd,0),0,70);
	WFIFOW(fd,0) = 0x293;

	switch (flag) {
		case BOSS_INFO_NOT:
			WFIFOB(fd,2) = BOSS_INFO_NOT;
			// No data required
			break; 
		case BOSS_INFO_ALIVE:
			WFIFOB(fd,2) = BOSS_INFO_ALIVE;
			// Update X/Y
			WFIFOL(fd,3) = md->bl.x;
			WFIFOL(fd,7) = md->bl.y;
			break;
		case BOSS_INFO_ALIVE_WITHMSG:
			WFIFOB(fd,2) = BOSS_INFO_ALIVE_WITHMSG;
			// Current X/Y
			WFIFOL(fd,3) = md->bl.x;
			WFIFOL(fd,7) = md->bl.y;
			break;
		case BOSS_INFO_DEAD:
		{
			const struct TimerData * timer_data = get_timer(md->spawn_timer);
			unsigned int seconds;
			int hours, minutes;

			seconds = (unsigned int)(DIFF_TICK(timer_data->tick, gettick()) / 1000 + 60);
			hours = seconds / (60 * 60);
			seconds = seconds - (60 * 60 * hours);
			minutes = seconds / 60;

			WFIFOB(fd,2) = BOSS_INFO_DEAD;
			// Add respawn info
			WFIFOW(fd,11) = hours; // Hours
			WFIFOW(fd,13) = minutes; // Minutes
		}
			break;
	}

	if (md != NULL)
		safestrncpy(WFIFOCP(fd,19), md->db->jname, NAME_LENGTH);

	WFIFOSET(fd,70);
}


/// Requesting equip of a player (CZ_EQUIPWIN_MICROSCOPE).
/// 02d6 <account id>.L
void clif_parse_ViewPlayerEquip(int fd, struct map_session_data* sd)
{
	int aid = RFIFOL(fd, packet_db[RFIFOW(fd,0)].pos[0]);
	struct map_session_data* tsd = map_id2sd(aid);

	if (!tsd)
		return;

	if( tsd->status.show_equip || pc_has_permission(sd, PC_PERM_VIEW_EQUIPMENT) )
		clif_viewequip_ack(sd, tsd);
	else
		clif_msg(sd, VIEW_EQUIP_FAIL);
}


/// Request to a configuration.
/// 02d8 <type>.L <flag>.L (CZ_CONFIG)
/// type: see enum e_config_type
/// flag:
///     false = disabled
///     true = enabled
void clif_parse_configuration( int fd, struct map_session_data* sd ){
	int cmd = RFIFOW(fd,0);
	int type = RFIFOL(fd,packet_db[cmd].pos[0]);
	bool flag = RFIFOL(fd,packet_db[cmd].pos[1]) != 0;

	switch( type ){
		case CONFIG_OPEN_EQUIPMENT_WINDOW:
			sd->status.show_equip = flag;
			break;
		case CONFIG_PET_AUTOFEED:
			// Player can not click this if he does not have a pet
			if( sd->pd == nullptr || !battle_config.feature_pet_autofeed || !sd->pd->get_pet_db()->allow_autofeed ){
				return;
			}

			sd->pd->pet.autofeed = flag;
			break;
		case CONFIG_HOMUNCULUS_AUTOFEED:
			// Player can not click this if he does not have a homunculus or it is vaporized
			if( sd->hd == nullptr || sd->hd->homunculus.vaporize || !battle_config.feature_homunculus_autofeed ){
				return;
			}

			sd->hd->homunculus.autofeed = flag;
			break;
		default:
			ShowWarning( "clif_parse_configuration: received unknown configuration type '%d'...\n", type );
			return;
	}

	clif_configuration( sd, static_cast<e_config_type>(type), flag );
}

/// Request to change party invitation tick.
/// value:
///	 0 = disabled
///	 1 = enabled
void clif_parse_PartyTick(int fd, struct map_session_data* sd)
{
	bool flag = RFIFOB(fd,6) ? true : false;
	sd->status.allow_party = flag;
	clif_partytickack(sd, flag);
}

/// Questlog System [Kevin] [Inkfish]
///

/**
 * Safe check to init packet len & quest num for player.
 * @param def_len
 * @param info_len Length of each quest info.
 * @param avail_quests Avail quests that player has.
 * @param limit_out Limit for quest num, to make sure the quest num is still in allowed value.
 * @param len_out Packet length as initial set => def_len + limit_out * info_len.
 **/
static void clif_quest_len(int def_len, int info_len, int avail_quests, int *limit_out, int *len_out) {
	(*limit_out) = (0xFFFF - def_len) / info_len;
	(*limit_out) = (avail_quests > (*limit_out)) ? (*limit_out) : avail_quests;
	(*len_out) = ((*limit_out) * info_len) + def_len;
}

/// Sends list of all quest states
/// 02b1 <packet len>.W <num>.L { <quest id>.L <active>.B }*num (ZC_ALL_QUEST_LIST)
/// 097a <packet len>.W <num>.L { <quest id>.L <active>.B <remaining time>.L <time>.L <count>.W { <mob_id>.L <killed>.W <total>.W <mob name>.24B }*count }*num (ZC_ALL_QUEST_LIST2)
/// 09f8 <packet len>.W <num>.L { <quest id>.L <active>.B <remaining time>.L <time>.L <count>.W { <hunt identification>.L <mob type>.L <mob_id>.L <min level>.W <max level>.W <killed>.W <total>.W <mob name>.24B }*count }*num  (ZC_ALL_QUEST_LIST3)
void clif_quest_send_list(struct map_session_data *sd)
{
	int fd = sd->fd;
	int i;
	int offset = 8;
	int limit = 0;

#if PACKETVER >= 20141022
#if PACKETVER >= 20150513
	int size = 22 + NAME_LENGTH;
#else
	int size = 10 + NAME_LENGTH;
#endif

	clif_quest_len(offset, 15 + ( size * MAX_QUEST_OBJECTIVES), sd->avail_quests, &limit, &i);
	WFIFOHEAD(fd,i);
#if PACKETVER >= 20150513
	WFIFOW(fd, 0) = 0x9f8;
#else
	WFIFOW(fd, 0) = 0x97a;
#endif
	WFIFOL(fd, 4) = limit;

	for (i = 0; i < limit; i++) {
		struct quest_db *qi = quest_search(sd->quest_log[i].quest_id);

		WFIFOL(fd, offset) = sd->quest_log[i].quest_id;
		offset += 4;
		WFIFOB(fd, offset) = sd->quest_log[i].state;
		offset++;
		WFIFOL(fd, offset) = sd->quest_log[i].time - qi->time;
		offset += 4;
		WFIFOL(fd, offset) = sd->quest_log[i].time;
		offset += 4;
		WFIFOW(fd, offset) = qi->objectives_count;
		offset += 2;
		
		if( qi->objectives_count > 0 ){
			int j;
			struct mob_db *mob;

			for( j = 0; j < qi->objectives_count; j++ ){
				mob = mob_db(qi->objectives[j].mob);

#if PACKETVER >= 20150513
				WFIFOL(fd, offset) = sd->quest_log[i].quest_id * 1000 + j;
				offset += 4;
				WFIFOL(fd, offset) = 0; // TODO: Find info - mobType
				offset += 4;
#endif
				WFIFOL(fd, offset) = qi->objectives[j].mob;
				offset += 4;
#if PACKETVER >= 20150513
				WFIFOW(fd, offset) = 0; // TODO: Find info - levelMin
				offset += 2;
				WFIFOW(fd, offset) = 0; // TODO: Find info - levelMax
				offset += 2;
#endif
				WFIFOW(fd, offset) = sd->quest_log[i].count[j];
				offset += 2;
				WFIFOW(fd, offset) = qi->objectives[j].count;
				offset += 2;
				safestrncpy((char*)WFIFOP(fd, offset), mob->jname, NAME_LENGTH);
				offset += NAME_LENGTH;
			}
		}
	}

	WFIFOW(fd, 2) = offset;
	WFIFOSET(fd, offset);
#else
	clif_quest_len(offset, 5, sd->avail_quests, &limit, &i);
	WFIFOHEAD(fd,i);
	WFIFOW(fd, 0) = 0x2b1;
	WFIFOL(fd, 4) = limit;

	for (i = 0; i < limit; i++) {
		WFIFOL(fd, offset) = sd->quest_log[i].quest_id;
		offset += 4;
		WFIFOB(fd, offset) = sd->quest_log[i].state;
		offset += 1;
	}
	
	WFIFOW(fd, 2) = offset;
	WFIFOSET(fd, offset);
#endif
}

/// Sends list of all quest missions (ZC_ALL_QUEST_MISSION).
/// 02b2 <packet len>.W <num>.L { <quest id>.L <start time>.L <expire time>.L <mobs>.W { <mob id>.L <mob count>.W <mob name>.24B }*3 }*num
void clif_quest_send_mission(struct map_session_data *sd)
{
	int fd = sd->fd;
	int i, j, limit = 0;
	int len = sd->avail_quests*104+8;
	struct mob_db *mob;

	clif_quest_len(8, 14 + ((6 + NAME_LENGTH) * MAX_QUEST_OBJECTIVES), sd->avail_quests, &limit, &len);
	WFIFOHEAD(fd, len);
	WFIFOW(fd, 0) = 0x2b2;
	WFIFOW(fd, 2) = len;
	WFIFOL(fd, 4) = limit;

	for (i = 0; i < limit; i++) {
		struct quest_db *qi = quest_search(sd->quest_log[i].quest_id);

		WFIFOL(fd, i*104+8) = sd->quest_log[i].quest_id;
		WFIFOL(fd, i*104+12) = sd->quest_log[i].time - qi->time;
		WFIFOL(fd, i*104+16) = sd->quest_log[i].time;
		WFIFOW(fd, i*104+20) = qi->objectives_count;

		for (j = 0 ; j < qi->objectives_count; j++) {
			WFIFOL(fd, i*104+22+j*30) = qi->objectives[j].mob;
			WFIFOW(fd, i*104+26+j*30) = sd->quest_log[i].count[j];
			mob = mob_db(qi->objectives[j].mob);
			safestrncpy(WFIFOCP(fd, i*104+28+j*30), mob->jname, NAME_LENGTH);
		}
	}

	WFIFOSET(fd, len);
}


/// Notification about a new quest
/// 02b3 <quest id>.L <active>.B <start time>.L <expire time>.L <mobs>.W { <mob id>.L <mob count>.W <mob name>.24B }*3 (ZC_ADD_QUEST)
/// 08fe <packet len>.W  { <quest id>.L <mob id>.L <total count>.W <current count>.W }*3 (ZC_HUNTING_QUEST_INFO)
/// 09f9 <quest id>.L <active>.B <start time>.L <expire time>.L <mobs>.W { <hunt identification>.L <mob type>.L <mob id>.L <min level>.W <max level>.W <mob count>.W <mob name>.24B }*3 (ZC_ADD_QUEST_EX)
void clif_quest_add(struct map_session_data *sd, struct quest *qd)
{
	int fd = sd->fd;
	int i, offset;
	struct quest_db *qi = quest_search(qd->quest_id);
#if PACKETVER >= 20150513
	int cmd = 0x9f9;
#else
	int cmd = 0x2b3;
#endif

	WFIFOHEAD(fd, packet_len(cmd));
	WFIFOW(fd, 0) = cmd;
	WFIFOL(fd, 2) = qd->quest_id;
	WFIFOB(fd, 6) = qd->state;
	WFIFOB(fd, 7) = qd->time - qi->time;
	WFIFOL(fd, 11) = qd->time;
	WFIFOW(fd, 15) = qi->objectives_count;

	for (i = 0, offset = 17; i < qi->objectives_count; i++) {
		struct mob_db *mob;
#if PACKETVER >= 20150513
		WFIFOL(fd, offset) = qd->quest_id * 1000 + i;
		offset += 4;
		WFIFOL(fd, offset) = 0; // TODO: Find info - mobType
		offset += 4;
#endif
		WFIFOL(fd, offset) = qi->objectives[i].mob;
		offset += 4;
#if PACKETVER >= 20150513
		WFIFOW(fd, offset) = 0; // TODO: Find info - levelMin
		offset += 2;
		WFIFOW(fd, offset) = 0; // TODO: Find info - levelMax
		offset += 2;
#endif
		WFIFOW(fd, offset) = qd->count[i];
		offset += 2;
		mob = mob_db(qi->objectives[i].mob);
		safestrncpy(WFIFOCP(fd, offset), mob->jname, NAME_LENGTH);
		offset += NAME_LENGTH;
	}

	WFIFOSET(fd, packet_len(cmd));

#if PACKETVER >= 20150513
	int len = 4 + qi->objectives_count * 12;

	WFIFOHEAD(fd, len);
	WFIFOW(fd, 0) = 0x8fe;
	WFIFOW(fd, 2) = len;

	for( i = 0, offset = 4; i < qi->objectives_count; i++, offset += 12 ){
		WFIFOL(fd, offset) = qd->quest_id * 1000 + i;
		WFIFOL(fd, offset+4) = qi->objectives[i].mob;
		WFIFOW(fd, offset + 10) = qi->objectives[i].count;
		WFIFOW(fd, offset + 12) = qd->count[i];
	}

	WFIFOSET(fd, len);

#endif
}


/// Notification about a quest being removed (ZC_DEL_QUEST).
/// 02b4 <quest id>.L
void clif_quest_delete(struct map_session_data *sd, int quest_id)
{
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x2b4));
	WFIFOW(fd, 0) = 0x2b4;
	WFIFOL(fd, 2) = quest_id;
	WFIFOSET(fd, packet_len(0x2b4));
}


/// Notification of an update to the hunting mission counter
/// 02b5 <packet len>.W <mobs>.W { <quest id>.L <mob id>.L <total count>.W <current count>.W }*3 (ZC_UPDATE_MISSION_HUNT)
/// 09fa <packet len>.W <mobs>.W { <quest id>.L <hunt identification>.L <total count>.W <current count>.W }*3 (ZC_UPDATE_MISSION_HUNT_EX)
void clif_quest_update_objective(struct map_session_data *sd, struct quest *qd, int mobid)
{
	int fd = sd->fd;
	int i, offset;
	struct quest_db *qi = quest_search(qd->quest_id);
	int len = qi->objectives_count * 12 + 6;
#if PACKETVER >= 20150513
	int cmd = 0x9fa;
#else
	int cmd = 0x2b5;
#endif

	WFIFOHEAD(fd, len);
	WFIFOW(fd, 0) = cmd;
	WFIFOW(fd, 4) = qi->objectives_count;

	for (i = 0, offset = 6; i < qi->objectives_count; i++) {
		if (mobid == 0 || mobid == qi->objectives[i].mob) {
			WFIFOL(fd, offset) = qd->quest_id;
			offset += 4;
#if PACKETVER >= 20150513
			WFIFOL(fd, offset) = qd->quest_id * 1000 + i;
			offset += 4;
#else
			WFIFOL(fd, offset) = qi->objectives[i].mob;
			offset += 4;
#endif
			WFIFOW(fd, offset) = qi->objectives[i].count;
			offset += 2;
			WFIFOW(fd, offset) = qd->count[i];
			offset += 2;
		}
	}

	WFIFOW(fd, 2) = offset;
	WFIFOSET(fd, offset);
}


/// Request to change the state of a quest (CZ_ACTIVE_QUEST).
/// 02b6 <quest id>.L <active>.B
void clif_parse_questStateAck(int fd, struct map_session_data *sd)
{
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	quest_update_status(sd, RFIFOL(fd,info->pos[0]),
	    RFIFOB(fd,info->pos[1])?Q_ACTIVE:Q_INACTIVE);
}


/// Notification about the change of a quest state (ZC_ACTIVE_QUEST).
/// 02b7 <quest id>.L <active>.B
void clif_quest_update_status(struct map_session_data *sd, int quest_id, bool active)
{
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x2b7));
	WFIFOW(fd, 0) = 0x2b7;
	WFIFOL(fd, 2) = quest_id;
	WFIFOB(fd, 6) = active;
	WFIFOSET(fd, packet_len(0x2b7));
}


/// Notification about an NPC's quest state (ZC_QUEST_NOTIFY_EFFECT).
/// 0446 <npc id>.L <x>.W <y>.W <effect>.W <color>.W
/// effect:
///     0 = none
///     1 = exclamation mark icon
///     2 = question mark icon
/// color:
///     0 = yellow
///     1 = orange
///     2 = green
///     3 = purple
void clif_quest_show_event(struct map_session_data *sd, struct block_list *bl, short effect, short color)
{
#if PACKETVER >= 20090218
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x446));
	WFIFOW(fd, 0) = 0x446;
	WFIFOL(fd, 2) = bl->id;
	WFIFOW(fd, 6) = bl->x;
	WFIFOW(fd, 8) = bl->y;
	WFIFOW(fd, 10) = effect;
	WFIFOW(fd, 12) = color;
	WFIFOSET(fd, packet_len(0x446));
#endif
}


/// Mercenary System
///

/// Notification about a mercenary status parameter change (ZC_MER_PAR_CHANGE).
/// 02a2 <var id>.W <value>.L
void clif_mercenary_updatestatus(struct map_session_data *sd, int type)
{
	struct mercenary_data *md;
	struct status_data *status;
	int fd;
	if( !clif_session_isValid(sd) || (md = sd->md) == NULL )
		return;

	fd = sd->fd;
	status = &md->battle_status;
	WFIFOHEAD(fd,packet_len(0x2a2));
	WFIFOW(fd,0) = 0x2a2;
	WFIFOW(fd,2) = type;
	switch( type ) {
		case SP_ATK1:
			{
				int atk = rnd()%(status->rhw.atk2 - status->rhw.atk + 1) + status->batk + status->rhw.atk;
				WFIFOL(fd,4) = cap_value(atk, 0, INT16_MAX);
			}
			break;
		case SP_MATK1:
			WFIFOL(fd,4) = min(status->matk_max, UINT16_MAX);
			break;
		case SP_HIT:
			WFIFOL(fd,4) = status->hit;
			break;
		case SP_CRITICAL:
			WFIFOL(fd,4) = status->cri/10;
			break;
		case SP_DEF1:
			WFIFOL(fd,4) = status->def;
			break;
		case SP_MDEF1:
			WFIFOL(fd,4) = status->mdef;
			break;
		case SP_MERCFLEE:
			WFIFOL(fd,4) = status->flee;
			break;
		case SP_ASPD:
			WFIFOL(fd,4) = status->amotion;
			break;
		case SP_HP:
			WFIFOL(fd,4) = status->hp;
			break;
		case SP_MAXHP:
			WFIFOL(fd,4) = status->max_hp;
			break;
		case SP_SP:
			WFIFOL(fd,4) = status->sp;
			break;
		case SP_MAXSP:
			WFIFOL(fd,4) = status->max_sp;
			break;
		case SP_MERCKILLS:
			WFIFOL(fd,4) = md->mercenary.kill_count;
			break;
		case SP_MERCFAITH:
			WFIFOL(fd,4) = mercenary_get_faith(md);
			break;
	}
	WFIFOSET(fd,packet_len(0x2a2));
}


/// Mercenary base status data (ZC_MER_INIT).
/// 029b <id>.L <atk>.W <matk>.W <hit>.W <crit>.W <def>.W <mdef>.W <flee>.W <aspd>.W
///     <name>.24B <level>.W <hp>.L <maxhp>.L <sp>.L <maxsp>.L <expire time>.L <faith>.W
///     <calls>.L <kills>.L <atk range>.W
void clif_mercenary_info(struct map_session_data *sd)
{
	int fd;
	struct mercenary_data *md;
	struct status_data *status;
	int atk;

	if( !clif_session_isValid(sd) || (md = sd->md) == NULL )
		return;

	fd = sd->fd;
	status = &md->battle_status;

	WFIFOHEAD(fd,packet_len(0x29b));
	WFIFOW(fd,0) = 0x29b;
	WFIFOL(fd,2) = md->bl.id;

	// Mercenary shows ATK as a random value between ATK ~ ATK2
	atk = rnd()%(status->rhw.atk2 - status->rhw.atk + 1) + status->batk + status->rhw.atk;
	WFIFOW(fd,6) = cap_value(atk, 0, INT16_MAX);
	WFIFOW(fd,8) = min(status->matk_max, UINT16_MAX);
	WFIFOW(fd,10) = status->hit;
	WFIFOW(fd,12) = status->cri/10;
	WFIFOW(fd,14) = status->def;
	WFIFOW(fd,16) = status->mdef;
	WFIFOW(fd,18) = status->flee;
	WFIFOW(fd,20) = status->amotion;
	safestrncpy(WFIFOCP(fd,22), md->db->name, NAME_LENGTH);
	WFIFOW(fd,46) = md->db->lv;
	WFIFOL(fd,48) = status->hp;
	WFIFOL(fd,52) = status->max_hp;
	WFIFOL(fd,56) = status->sp;
	WFIFOL(fd,60) = status->max_sp;
	WFIFOL(fd,64) = client_tick(time(NULL) + (mercenary_get_lifetime(md) / 1000));
	WFIFOW(fd,68) = mercenary_get_faith(md);
	WFIFOL(fd,70) = mercenary_get_calls(md);
	WFIFOL(fd,74) = md->mercenary.kill_count;
	WFIFOW(fd,78) = md->battle_status.rhw.range;
	WFIFOSET(fd,packet_len(0x29b));
}


/// Mercenary skill tree (ZC_MER_SKILLINFO_LIST).
/// 029d <packet len>.W { <skill id>.W <type>.L <level>.W <sp cost>.W <attack range>.W <skill name>.24B <upgradable>.B }*
void clif_mercenary_skillblock(struct map_session_data *sd)
{
	struct mercenary_data *md;
	int fd, i, len = 4;

	if( sd == NULL || (md = sd->md) == NULL )
		return;

	fd = sd->fd;
	WFIFOHEAD(fd,4+37*MAX_MERCSKILL);
	WFIFOW(fd,0) = 0x29d;
	for( i = 0; i < MAX_MERCSKILL; i++ )
	{
		uint16 id;
		short idx = -1;
		if( (id = md->db->skill[i].id) == 0 )
			continue;
		if ((idx = mercenary_skill_get_index(id)) == -1)
			continue;

		WFIFOW(fd,len) = id;
		WFIFOL(fd,len+2) = skill_get_inf(id);
		WFIFOW(fd,len+6) = md->db->skill[idx].lv;
		WFIFOW(fd,len+8) = skill_get_sp(id, md->db->skill[idx].lv);
		WFIFOW(fd,len+10) = skill_get_range2(&md->bl, id, md->db->skill[idx].lv, false);
		safestrncpy(WFIFOCP(fd,len+12), skill_get_name(id), NAME_LENGTH);
		WFIFOB(fd,len+36) = 0; // Skillable for Mercenary?
		len += 37;
	}

	WFIFOW(fd,2) = len;
	WFIFOSET(fd,len);
}


/// Request to invoke a mercenary menu action (CZ_MER_COMMAND).
/// 029f <command>.B
///     1 = mercenary information
///     2 = delete
void clif_parse_mercenary_action(int fd, struct map_session_data* sd)
{
	int option = RFIFOB(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	if( sd->md == NULL )
		return;

	if( option == 2 ) mercenary_delete(sd->md, 2);
}


/// Mercenary Message
/// message:
///     0 = Mercenary soldier's duty hour is over.
///     1 = Your mercenary soldier has been killed.
///     2 = Your mercenary soldier has been fired.
///     3 = Your mercenary soldier has ran away.
void clif_mercenary_message(struct map_session_data* sd, int message){
	clif_msg(sd, MERC_MSG_BASE + message);
}


/// Notification about the remaining time of a rental item (ZC_CASH_TIME_COUNTER).
/// 0298 <name id>.W <seconds>.L
void clif_rental_time(int fd, unsigned short nameid, int seconds)
{ // '<ItemName>' item will disappear in <seconds/60> minutes.
	WFIFOHEAD(fd,packet_len(0x298));
	WFIFOW(fd,0) = 0x298;
	WFIFOW(fd,2) = nameid;
	WFIFOL(fd,4) = seconds;
	WFIFOSET(fd,packet_len(0x298));
}


/// Deletes a rental item from client's inventory (ZC_CASH_ITEM_DELETE).
/// 0299 <index>.W <name id>.W
void clif_rental_expired(int fd, int index, unsigned short nameid)
{ // '<ItemName>' item has been deleted from the Inventory
	WFIFOHEAD(fd,packet_len(0x299));
	WFIFOW(fd,0) = 0x299;
	WFIFOW(fd,2) = index+2;
	WFIFOW(fd,4) = nameid;
	WFIFOSET(fd,packet_len(0x299));
}


/// Book Reading (ZC_READ_BOOK).
/// 0294 <book id>.L <page>.L
void clif_readbook(int fd, int book_id, int page)
{
	WFIFOHEAD(fd,packet_len(0x294));
	WFIFOW(fd,0) = 0x294;
	WFIFOL(fd,2) = book_id;
	WFIFOL(fd,6) = page;
	WFIFOSET(fd,packet_len(0x294));
}


/// Battlegrounds
///

/// Updates HP bar of a camp member.
/// 02e0 <account id>.L <name>.24B <hp>.W <max hp>.W (ZC_BATTLEFIELD_NOTIFY_HP)
/// 0a0e <account id>.L <hp>.L <max hp>.L (ZC_BATTLEFIELD_NOTIFY_HP2)
void clif_bg_hp(struct map_session_data *sd) {
#if PACKETVER < 20140613
	unsigned char buf[34];
	const int cmd = 0x2e0;
#else
	unsigned char buf[14];
	const int cmd = 0xa0e;
#endif
	nullpo_retv(sd);

	WBUFW(buf,0) = cmd;
	WBUFL(buf,2) = sd->status.account_id;
#if PACKETVER < 20140613
    safestrncpy(WBUFCP(buf,6), sd->status.name, NAME_LENGTH);
    if( sd->battle_status.max_hp > INT16_MAX ) { // To correctly display the %hp bar. [Skotlex]
		WBUFW(buf,30) = sd->battle_status.hp/(sd->battle_status.max_hp/100);
        WBUFW(buf,32) = 100;
    } else {
		WBUFW(buf,30) = sd->battle_status.hp;
		WBUFW(buf,32) = sd->battle_status.max_hp;
    }
#else
    if( sd->battle_status.max_hp > INT32_MAX ) {
		WBUFL(buf,6) = sd->battle_status.hp/(sd->battle_status.max_hp/100);
		WBUFL(buf,10) = 100;
    } else {
		WBUFL(buf,6) = sd->battle_status.hp;
		WBUFL(buf,10) = sd->battle_status.max_hp;
    }
#endif
	clif_send(buf, packet_len(cmd), &sd->bl, BG_AREA_WOS);
}


/// Updates the position of a camp member on the minimap (ZC_BATTLEFIELD_NOTIFY_POSITION).
/// 02df <account id>.L <name>.24B <class>.W <x>.W <y>.W
void clif_bg_xy(struct map_session_data *sd)
{
	unsigned char buf[36];
	nullpo_retv(sd);

	WBUFW(buf,0)=0x2df;
	WBUFL(buf,2)=sd->status.account_id;
	safestrncpy(WBUFCP(buf,6), sd->status.name, NAME_LENGTH);
	WBUFW(buf,30)=sd->status.class_;
	WBUFW(buf,32)=sd->bl.x;
	WBUFW(buf,34)=sd->bl.y;

	clif_send(buf, packet_len(0x2df), &sd->bl, BG_SAMEMAP_WOS);
}

void clif_bg_xy_remove(struct map_session_data *sd)
{
	unsigned char buf[36];
	nullpo_retv(sd);

	WBUFW(buf,0)=0x2df;
	WBUFL(buf,2)=sd->status.account_id;
	memset(WBUFP(buf,6), 0, NAME_LENGTH);
	WBUFW(buf,30)=0;
	WBUFW(buf,32)=-1;
	WBUFW(buf,34)=-1;

	clif_send(buf, packet_len(0x2df), &sd->bl, BG_SAMEMAP_WOS);
}

/// Notifies clients of a battleground message.
/// 02DC <packet len>.W <account id>.L <name>.24B <message>.?B (ZC_BATTLEFIELD_CHAT)
void clif_bg_message( struct battleground_data *bg, int src_id, const char *name, const char *mes, int len ){
	struct map_session_data *sd = bg_getavailablesd( bg );

	if( sd == nullptr ){
		return;
	}

	// limit length
	len = min( len + 1, CHAT_SIZE_MAX );

	unsigned char buf[8 + NAME_LENGTH + CHAT_SIZE_MAX];

	WBUFW(buf,0) = 0x2dc;
	WBUFW(buf,2) = len + NAME_LENGTH + 8;
	WBUFL(buf,4) = src_id;
	safestrncpy(WBUFCP(buf,8), name, NAME_LENGTH);
	safestrncpy(WBUFCP(buf,8+NAME_LENGTH), mes, len );

	clif_send(buf,WBUFW(buf,2), &sd->bl, BG);
}

/// Validates and processes battlechat messages.
/// All messages that are sent after enabling battleground chat with /battlechat.
/// 02DB <packet len>.W <text>.?B (CZ_BATTLEFIELD_CHAT)
void clif_parse_BattleChat(int fd, struct map_session_data* sd){
	char name[NAME_LENGTH], message[CHAT_SIZE_MAX], output[CHAT_SIZE_MAX+NAME_LENGTH*2];

	if( !clif_process_message( sd, false, name, message, output ) )
		return;

	bg_send_message(sd, output, strlen(output) );
}


/// Notifies client of a battleground score change (ZC_BATTLEFIELD_NOTIFY_POINT).
/// 02de <camp A points>.W <camp B points>.W
void clif_bg_updatescore(int16 m)
{
	struct block_list bl;
	unsigned char buf[6];
	struct map_data *mapdata = map_getmapdata(m);

	bl.id = 0;
	bl.type = BL_NUL;
	bl.m = m;

	WBUFW(buf,0) = 0x2de;
	WBUFW(buf,2) = mapdata->bgscore_lion;
	WBUFW(buf,4) = mapdata->bgscore_eagle;
	clif_send(buf,packet_len(0x2de),&bl,ALL_SAMEMAP);
}

void clif_bg_updatescore_single(struct map_session_data *sd)
{
	int fd;
	nullpo_retv(sd);
	fd = sd->fd;

	struct map_data *mapdata = map_getmapdata(sd->bl.m);

	WFIFOHEAD(fd,packet_len(0x2de));
	WFIFOW(fd,0) = 0x2de;
	WFIFOW(fd,2) = mapdata->bgscore_lion;
	WFIFOW(fd,4) = mapdata->bgscore_eagle;
	WFIFOSET(fd,packet_len(0x2de));
}


/// Battleground camp belong-information (ZC_BATTLEFIELD_NOTIFY_CAMPINFO).
/// 02dd <account id>.L <name>.24B <camp>.W
void clif_sendbgemblem_area(struct map_session_data *sd)
{
	unsigned char buf[33];
	nullpo_retv(sd);

	WBUFW(buf, 0) = 0x2dd;
	WBUFL(buf,2) = sd->bl.id;
	safestrncpy(WBUFCP(buf,6), sd->status.name, NAME_LENGTH); // name don't show in screen.
	WBUFW(buf,30) = sd->bg_id;
	clif_send(buf,packet_len(0x2dd), &sd->bl, AREA);
}

void clif_sendbgemblem_single(int fd, struct map_session_data *sd)
{
	nullpo_retv(sd);
	WFIFOHEAD(fd,32);
	WFIFOW(fd,0) = 0x2dd;
	WFIFOL(fd,2) = sd->bl.id;
	safestrncpy(WFIFOCP(fd,6), sd->status.name, NAME_LENGTH);
	WFIFOW(fd,30) = sd->bg_id;
	WFIFOSET(fd,packet_len(0x2dd));
}


/// Custom Fonts (ZC_NOTIFY_FONT).
/// 02ef <account_id>.L <font id>.W
void clif_font(struct map_session_data *sd)
{
#if PACKETVER >= 20080102
	unsigned char buf[8];
	nullpo_retv(sd);
	WBUFW(buf,0) = 0x2ef;
	WBUFL(buf,2) = sd->bl.id;
	WBUFW(buf,6) = sd->status.font;
	clif_send(buf, packet_len(0x2ef), &sd->bl, AREA);
#endif
}


/// Required to start the instancing information window on Client
/// This window re-appears each "refresh" of client automatically until the keep_limit reaches 0.
/// S 0x2cb <Instance name>.61B <Standby Position>.W
void clif_instance_create(unsigned short instance_id, int num)
{
#if PACKETVER >= 20071128
	struct instance_db *db = NULL;
	struct map_session_data *sd = NULL;
	enum send_target target = PARTY;
	unsigned char buf[65];

	instance_getsd(instance_id, &sd, &target);

	if (!sd)
		return;

	db = instance_searchtype_db(instance_data[instance_id].type);

	if (!db)
		return;

	WBUFW(buf,0) = 0x2cb;
	safestrncpy(WBUFCP(buf,2), StringBuf_Value(db->name), INSTANCE_NAME_LENGTH);
	WBUFW(buf,63) = num;
	clif_send(buf,packet_len(0x2cb),&sd->bl,target);
#endif

	return;
}

/// To announce Instancing queue creation if no maps available
/// S 0x2cc <Standby Position>.W
void clif_instance_changewait(unsigned short instance_id, int num)
{
#if PACKETVER >= 20071128
	struct map_session_data *sd = NULL;
	enum send_target target = PARTY;
	unsigned char buf[4];

	instance_getsd(instance_id, &sd, &target);

	if (!sd)
		return;

	WBUFW(buf,0) = 0x2cc;
	WBUFW(buf,2) = num;
	clif_send(buf,packet_len(0x2cc),&sd->bl,target);
#endif

	return;
}

/// Notify the current status to members
/// S 0x2cd <Instance Name>.61B <Instance Remaining Time>.L <Instance Noplayers close time>.L
void clif_instance_status(unsigned short instance_id, unsigned int limit1, unsigned int limit2)
{
#if PACKETVER >= 20071128
	struct instance_db *db = NULL;
	struct map_session_data *sd = NULL;
	enum send_target target = PARTY;
	unsigned char buf[71];

	instance_getsd(instance_id, &sd, &target);

	if (!sd)
		return;

	db = instance_searchtype_db(instance_data[instance_id].type);

	if (!db)
		return;

	WBUFW(buf,0) = 0x2cd;
	safestrncpy(WBUFCP(buf,2), StringBuf_Value(db->name), INSTANCE_NAME_LENGTH);
	WBUFL(buf,63) = limit1;
	WBUFL(buf,67) = limit2;
	clif_send(buf,packet_len(0x2cd),&sd->bl,target);
#endif

	return;
}

/// Notify a status change to members
/// S 0x2ce <Message ID>.L
/// 0 = Notification (EnterLimitDate update?)
/// 1 = The Memorial Dungeon expired; it has been destroyed
/// 2 = The Memorial Dungeon's entry time limit expired; it has been destroyed
/// 3 = The Memorial Dungeon has been removed.
/// 4 = Create failure (removes the instance window)
void clif_instance_changestatus(unsigned int instance_id, int type, unsigned int limit)
{
#if PACKETVER >= 20071128
	struct map_session_data *sd = NULL;
	enum send_target target = PARTY;
	unsigned char buf[10];

	instance_getsd(instance_id, &sd, &target);

	if (!sd)
		return;

	WBUFW(buf,0) = 0x2ce;
	WBUFL(buf,2) = type;
	WBUFL(buf,6) = limit;
	clif_send(buf,packet_len(0x2ce),&sd->bl,target);
#endif

	return;
}


/// Notifies clients about item picked up by a party member (ZC_ITEM_PICKUP_PARTY).
/// 02b8 <account id>.L <name id>.W <identified>.B <damaged>.B <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W <equip location>.W <item type>.B
void clif_party_show_picker(struct map_session_data * sd, struct item * item_data)
{
#if PACKETVER >= 20071002
	unsigned char buf[22];
	struct item_data* id = itemdb_search(item_data->nameid);

	WBUFW(buf,0) = 0x2b8;
	WBUFL(buf,2) = sd->status.account_id;
	WBUFW(buf,6) = item_data->nameid;
	WBUFB(buf,8) = item_data->identify;
	WBUFB(buf,9) = item_data->attribute;
	WBUFB(buf,10) = item_data->refine;
	clif_addcards(WBUFP(buf,11), item_data);
	WBUFW(buf,19) = id->equip; // equip location
	WBUFB(buf,21) = itemtype(id->nameid); // item type
	clif_send(buf, packet_len(0x2b8), &sd->bl, PARTY_SAMEMAP_WOS);
#endif
}


/** Display gained exp.
 * 07f6 <account id>.L <amount>.L <var id>.W <exp type>.W (ZC_NOTIFY_EXP)
 * 0acc <account id>.L <amount>.Q <var id>.W <exp type>.W (ZC_NOTIFY_EXP2)
 * amount: INT32_MIN ~ INT32_MAX
 * var id:
 *     SP_BASEEXP, SP_JOBEXP
 * exp type:
 *     0 = normal exp gained/lost
 *     1 = quest exp gained/lost
 * @param sd Player
 * @param exp EXP value gained/loss
 * @param type SP_BASEEXP, SP_JOBEXP
 * @param quest False:Normal EXP; True:Quest EXP (displayed in purple color)
 * @param lost True:if lossing EXP
 */
void clif_displayexp(struct map_session_data *sd, unsigned int exp, char type, bool quest, bool lost)
{
	int fd;
	int offset;
#if PACKETVER >= 20170830
	int cmd = 0xacc;
#else
	int cmd = 0x7f6;
#endif

	nullpo_retv(sd);

	fd = sd->fd;

	WFIFOHEAD(fd, packet_len(cmd));
	WFIFOW(fd,0) = cmd;
	WFIFOL(fd,2) = sd->bl.id;
#if PACKETVER >= 20170830
	WFIFOQ(fd,6) = (int64)u64min((uint64)exp, INT_MAX) * (lost ? -1 : 1);
	offset = 4;
#else
	WFIFOL(fd,6) = (int)umin(exp, INT_MAX) * (lost ? -1 : 1);
	offset = 0;
#endif
	WFIFOW(fd,10+offset) = type;
	WFIFOW(fd,12+offset) = (quest && type != SP_JOBEXP) ? 1 : 0; // NOTE: Somehow JobEXP always in yellow color
	WFIFOSET(fd,packet_len(cmd));
}


/// Displays digital clock digits on top of the screen (ZC_SHOWDIGIT).
/// type:
///     0 = Displays 'value' for 5 seconds.
///     1 = Incremental counter (1 tick/second), negated 'value' specifies start value (e.g. using -10 lets the counter start at 10).
///     2 = Decremental counter (1 tick/second), negated 'value' specifies start value (does not stop when reaching 0, but overflows).
///     3 = Decremental counter (1 tick/second), 'value' specifies start value (stops when reaching 0, displays at most 2 digits).
/// value:
///     Except for type 3 it is interpreted as seconds for displaying as DD:HH:MM:SS, HH:MM:SS, MM:SS or SS (leftmost '00' is not displayed).
void clif_showdigit(struct map_session_data* sd, unsigned char type, int value)
{
	WFIFOHEAD(sd->fd, packet_len(0x1b1));
	WFIFOW(sd->fd,0) = 0x1b1;
	WFIFOB(sd->fd,2) = type;
	WFIFOL(sd->fd,3) = value;
	WFIFOSET(sd->fd, packet_len(0x1b1));
}


/// Notification of the state of client command /effect (CZ_LESSEFFECT).
/// 021d <state>.L
/// state:
///     0 = Full effects
///     1 = Reduced effects
///
/// NOTE:   The state is used on Aegis for sending skill unit packet
///         0x11f (ZC_SKILL_ENTRY) instead of 0x1c9 (ZC_SKILL_ENTRY2)
///         whenever possible. Due to the way the decision check is
///         constructed, this state tracking was rendered useless,
///         as the only skill unit, that is sent with 0x1c9 is
///         Graffiti.
void clif_parse_LessEffect(int fd, struct map_session_data* sd){
	int isLess = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);
	sd->state.lesseffect = ( isLess != 0 );
}

/// 07e4 <length>.w <option>.l <val>.l {<index>.w <amount>.w).4b* (CZ_ITEMLISTWIN_RES)
void clif_parse_ItemListWindowSelected(int fd, struct map_session_data* sd) {
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int n = (RFIFOW(fd,info->pos[0])-12) / 4;
	int type = RFIFOL(fd,info->pos[1]);
	int flag = RFIFOL(fd,info->pos[2]); // Button clicked: 0 = Cancel, 1 = OK
	unsigned short* item_list = (unsigned short*)RFIFOP(fd,info->pos[3]);

	if( sd->state.trading || sd->npc_shopid )
		return;

	if( flag == 0 || n == 0) {
		clif_menuskill_clear(sd);
		return; // Canceled by player.
	}

	if( sd->menuskill_id != SO_EL_ANALYSIS && sd->menuskill_id != GN_CHANGEMATERIAL ) {
		clif_menuskill_clear(sd);
		return; // Prevent hacking.
	}

	switch( type ) {
		case 0: // Change Material
			skill_changematerial(sd,n,item_list);
			break;
		case 1:	// Level 1: Pure to Rough
		case 2:	// Level 2: Rough to Pure
			skill_elementalanalysis(sd,n,type,item_list);
			break;
	}
	clif_menuskill_clear(sd);

	return;
}

/*==========================================
 * Elemental System
 *==========================================*/
void clif_elemental_updatestatus(struct map_session_data *sd, int type) {
	struct elemental_data *ed;
	struct status_data *status;
	int fd;

	if( !clif_session_isValid(sd) || (ed = sd->ed) == NULL )
		return;

	fd = sd->fd;
	status = &ed->battle_status;
	WFIFOHEAD(fd,8);
	WFIFOW(fd,0) = 0x81e;
	WFIFOW(fd,2) = type;
	switch( type ) {
		case SP_HP:
			WFIFOL(fd,4) = status->hp;
			break;
		case SP_MAXHP:
			WFIFOL(fd,4) = status->max_hp;
			break;
		case SP_SP:
			WFIFOL(fd,4) = status->sp;
			break;
		case SP_MAXSP:
			WFIFOL(fd,4) = status->max_sp;
			break;
	}
	WFIFOSET(fd,8);
}

void clif_elemental_info(struct map_session_data *sd) {
	int fd;
	struct elemental_data *ed;
	struct status_data *status;

	if( !clif_session_isValid(sd) || (ed = sd->ed) == NULL )
		return;

	fd = sd->fd;
	status = &ed->battle_status;

	WFIFOHEAD(fd,22);
	WFIFOW(fd, 0) = 0x81d;
	WFIFOL(fd, 2) = ed->bl.id;
	WFIFOL(fd, 6) = status->hp;
	WFIFOL(fd,10) = status->max_hp;
	WFIFOL(fd,14) = status->sp;
	WFIFOL(fd,18) = status->max_sp;
	WFIFOSET(fd,22);
}


/// Buying Store System
///

/// Opens preparation window for buying store (ZC_OPEN_BUYING_STORE).
/// 0810 <slots>.B
void clif_buyingstore_open(struct map_session_data* sd)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x810));
	WFIFOW(fd,0) = 0x810;
	WFIFOB(fd,2) = sd->buyingstore.slots;
	WFIFOSET(fd,packet_len(0x810));
}


/// Request to create a buying store (CZ_REQ_OPEN_BUYING_STORE).
/// 0811 <packet len>.W <limit zeny>.L <result>.B <store name>.80B { <name id>.W <amount>.W <price>.L }*
/// result:
///     0 = cancel
///     1 = open
static void clif_parse_ReqOpenBuyingStore(int fd, struct map_session_data* sd)
{
	const unsigned int blocksize = 8;
	uint8* itemlist;
	char storename[MESSAGE_SIZE];
	unsigned char result;
	int zenylimit;
	unsigned int count, packet_len;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	packet_len = RFIFOW(fd,info->pos[0]);

	// TODO: Make this check global for all variable length packets.
	if( packet_len < 89 )
	{// minimum packet length
		ShowError("clif_parse_ReqOpenBuyingStore: Malformed packet (expected length=%u, length=%u, account_id=%d).\n", 89, packet_len, sd->bl.id);
		return;
	}

	zenylimit = RFIFOL(fd,info->pos[1]);
	result    = RFIFOL(fd,info->pos[2]);
	safestrncpy(storename, RFIFOCP(fd,info->pos[3]), sizeof(storename));
	itemlist  = RFIFOP(fd,info->pos[4]);

	// so that buyingstore_create knows, how many elements it has access to
	packet_len-= info->pos[4];

	if( packet_len%blocksize )
	{
		ShowError("clif_parse_ReqOpenBuyingStore: Unexpected item list size %u (account_id=%d, block size=%u)\n", packet_len, sd->bl.id, blocksize);
		return;
	}
	count = packet_len/blocksize;

	buyingstore_create(sd, zenylimit, result, storename, itemlist, count, NULL);
}


/// Notification, that the requested buying store could not be created (ZC_FAILED_OPEN_BUYING_STORE_TO_BUYER).
/// 0812 <result>.W <total weight>.L
/// result:
///     1 = "Failed to open buying store." (0x6cd, MSI_BUYINGSTORE_OPEN_FAILED)
///     2 = "Total amount of then possessed items exceeds the weight limit by <weight/10-maxweight*90%>. Please re-enter." (0x6ce, MSI_BUYINGSTORE_OVERWEIGHT)
///     8 = "No sale (purchase) information available." (0x705)
///     ? = nothing
void clif_buyingstore_open_failed(struct map_session_data* sd, unsigned short result, unsigned int weight)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x812));
	WFIFOW(fd,0) = 0x812;
	WFIFOW(fd,2) = result;
	WFIFOL(fd,4) = weight;
	WFIFOSET(fd,packet_len(0x812));
}


/// Notification, that the requested buying store was created (ZC_MYITEMLIST_BUYING_STORE).
/// 0813 <packet len>.W <account id>.L <limit zeny>.L { <price>.L <count>.W <type>.B <name id>.W }*
void clif_buyingstore_myitemlist(struct map_session_data* sd)
{
	int fd = sd->fd;
	unsigned int i;

	WFIFOHEAD(fd,12+sd->buyingstore.slots*9);
	WFIFOW(fd,0) = 0x813;
	WFIFOW(fd,2) = 12+sd->buyingstore.slots*9;
	WFIFOL(fd,4) = sd->bl.id;
	WFIFOL(fd,8) = sd->buyingstore.zenylimit;

	for( i = 0; i < sd->buyingstore.slots; i++ )
	{
		WFIFOL(fd,12+i*9) = sd->buyingstore.items[i].price;
		WFIFOW(fd,16+i*9) = sd->buyingstore.items[i].amount;
		WFIFOB(fd,18+i*9) = itemtype(sd->buyingstore.items[i].nameid);
		WFIFOW(fd,19+i*9) = sd->buyingstore.items[i].nameid;
	}

	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Notifies clients in area of a buying store (ZC_BUYING_STORE_ENTRY).
/// 0814 <account id>.L <store name>.80B
void clif_buyingstore_entry(struct map_session_data* sd)
{
	uint8 buf[MESSAGE_SIZE+6];

	WBUFW(buf,0) = 0x814;
	WBUFL(buf,2) = sd->bl.id;
	safestrncpy(WBUFCP(buf,6), sd->message, MESSAGE_SIZE);

	clif_send(buf, packet_len(0x814), &sd->bl, AREA_WOS);
}
void clif_buyingstore_entry_single(struct map_session_data* sd, struct map_session_data* pl_sd)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x814));
	WFIFOW(fd,0) = 0x814;
	WFIFOL(fd,2) = pl_sd->bl.id;
	safestrncpy(WFIFOCP(fd,6), pl_sd->message, MESSAGE_SIZE);
	WFIFOSET(fd,packet_len(0x814));
}


/// Request to close own buying store (CZ_REQ_CLOSE_BUYING_STORE).
/// 0815
static void clif_parse_ReqCloseBuyingStore(int fd, struct map_session_data* sd)
{
	buyingstore_close(sd);
}


/// Notifies clients in area that a buying store was closed (ZC_DISAPPEAR_BUYING_STORE_ENTRY).
/// 0816 <account id>.L
void clif_buyingstore_disappear_entry(struct map_session_data* sd)
{
	uint8 buf[6];

	WBUFW(buf,0) = 0x816;
	WBUFL(buf,2) = sd->bl.id;

	clif_send(buf, packet_len(0x816), &sd->bl, AREA_WOS);
}
void clif_buyingstore_disappear_entry_single(struct map_session_data* sd, struct map_session_data* pl_sd)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x816));
	WFIFOW(fd,0) = 0x816;
	WFIFOL(fd,2) = pl_sd->bl.id;
	WFIFOSET(fd,packet_len(0x816));
}


/// Request to open someone else's buying store (CZ_REQ_CLICK_TO_BUYING_STORE).
/// 0817 <account id>.L
static void clif_parse_ReqClickBuyingStore(int fd, struct map_session_data* sd)
{
	uint32 account_id;

	account_id = RFIFOL(fd,packet_db[RFIFOW(fd,0)].pos[0]);

	buyingstore_open(sd, account_id);
}


/// Sends buying store item list (ZC_ACK_ITEMLIST_BUYING_STORE).
/// 0818 <packet len>.W <account id>.L <store id>.L <limit zeny>.L { <price>.L <amount>.W <type>.B <name id>.W }*
void clif_buyingstore_itemlist(struct map_session_data* sd, struct map_session_data* pl_sd)
{
	int fd = sd->fd;
	unsigned int i;

	WFIFOHEAD(fd,16+pl_sd->buyingstore.slots*9);
	WFIFOW(fd,0) = 0x818;
	WFIFOW(fd,2) = 16+pl_sd->buyingstore.slots*9;
	WFIFOL(fd,4) = pl_sd->bl.id;
	WFIFOL(fd,8) = pl_sd->buyer_id;
	WFIFOL(fd,12) = pl_sd->buyingstore.zenylimit;

	for( i = 0; i < pl_sd->buyingstore.slots; i++ )
	{
		WFIFOL(fd,16+i*9) = pl_sd->buyingstore.items[i].price;
		WFIFOW(fd,20+i*9) = pl_sd->buyingstore.items[i].amount;  // TODO: Figure out, if no longer needed items (amount == 0) are listed on official.
		WFIFOB(fd,22+i*9) = itemtype(pl_sd->buyingstore.items[i].nameid);
		WFIFOW(fd,23+i*9) = pl_sd->buyingstore.items[i].nameid;
	}

	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Request to sell items to a buying store (CZ_REQ_TRADE_BUYING_STORE).
/// 0819 <packet len>.W <account id>.L <store id>.L { <index>.W <name id>.W <amount>.W }*
static void clif_parse_ReqTradeBuyingStore(int fd, struct map_session_data* sd)
{
	const unsigned int blocksize = 6;
	uint8* itemlist;
	uint32 account_id;
	unsigned int count, packet_len, buyer_id;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	packet_len = RFIFOW(fd,info->pos[0]);

	if( packet_len < 12 )
	{// minimum packet length
		ShowError("clif_parse_ReqTradeBuyingStore: Malformed packet (expected length=%u, length=%u, account_id=%d).\n", 12, packet_len, sd->bl.id);
		return;
	}

	account_id = RFIFOL(fd,info->pos[1]);
	buyer_id   = RFIFOL(fd,info->pos[2]);
	itemlist   = RFIFOP(fd,info->pos[3]);

	// so that buyingstore_trade knows, how many elements it has access to
	packet_len-= info->pos[3];

	if( packet_len%blocksize )
	{
		ShowError("clif_parse_ReqTradeBuyingStore: Unexpected item list size %u (account_id=%d, buyer_id=%d, block size=%u)\n", packet_len, sd->bl.id, account_id, blocksize);
		return;
	}
	count = packet_len/blocksize;

	buyingstore_trade(sd, account_id, buyer_id, itemlist, count);
}


/// Notifies the buyer, that the buying store has been closed due to a post-trade condition (ZC_FAILED_TRADE_BUYING_STORE_TO_BUYER).
/// 081a <result>.W
/// result:
///     3 = "All items within the buy limit were purchased." (0x6cf, MSI_BUYINGSTORE_TRADE_OVERLIMITZENY)
///     4 = "All items were purchased." (0x6d0, MSI_BUYINGSTORE_TRADE_BUYCOMPLETE)
///     ? = nothing
void clif_buyingstore_trade_failed_buyer(struct map_session_data* sd, short result)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x81a));
	WFIFOW(fd,0) = 0x81a;
	WFIFOW(fd,2) = result;
	WFIFOSET(fd,packet_len(0x81a));
}


/// Updates the zeny limit and an item in the buying store item list.
/// 081b <name id>.W <amount>.W <limit zeny>.L (ZC_UPDATE_ITEM_FROM_BUYING_STORE)
/// 09e6 <name id>.W <amount>.W <zeny>.L <limit zeny>.L <GID>.L <Date>.L (ZC_UPDATE_ITEM_FROM_BUYING_STORE2)
void clif_buyingstore_update_item(struct map_session_data* sd, unsigned short nameid, unsigned short amount, uint32 char_id, int zeny) {
#if PACKETVER < 20141016		// TODO : not sure for client date [Napster]
	const int cmd = 0x81b;
#else
	const int cmd = 0x9e6;
#endif
	int offset = 0;
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd,0) = cmd;
	WFIFOW(fd,2) = nameid;
	WFIFOW(fd,4) = amount;  // amount of nameid received
#if PACKETVER >= 20141016
	WFIFOL(fd,6) = zeny;		// zeny
	offset += 4;
#endif
	WFIFOL(fd,6+offset) = sd->buyingstore.zenylimit;
#if PACKETVER >= 20141016
	WFIFOL(fd,10+offset) = char_id;		// GID
	WFIFOL(fd,14+offset) = (int)time(NULL);		// date
#endif

	WFIFOSET(fd,packet_len(cmd));
}


/// Deletes item from inventory, that was sold to a buying store (ZC_ITEM_DELETE_BUYING_STORE).
/// 081c <index>.W <amount>.W <price>.L
/// message:
///     "%s (%d) were sold at %dz." (0x6d2, MSI_BUYINGSTORE_TRADE_SELLCOMPLETE)
///
/// NOTE:   This function has to be called _instead_ of clif_delitem/clif_dropitem.
void clif_buyingstore_delete_item(struct map_session_data* sd, short index, unsigned short amount, int price)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x81c));
	WFIFOW(fd,0) = 0x81c;
	WFIFOW(fd,2) = index+2;
	WFIFOW(fd,4) = amount;
	WFIFOL(fd,6) = price;  // price per item, client calculates total Zeny by itself
	WFIFOSET(fd,packet_len(0x81c));
}


/// Notifies the seller, that a buying store trade failed (ZC_FAILED_TRADE_BUYING_STORE_TO_SELLER).
/// 0824 <result>.W <name id>.W
/// result:
///     5 = "The deal has failed." (0x39, MSI_DEAL_FAIL)
///     6 = "The trade failed, because the entered amount of item %s is higher, than the buyer is willing to buy." (0x6d3, MSI_BUYINGSTORE_TRADE_OVERCOUNT)
///     7 = "The trade failed, because the buyer is lacking required balance." (0x6d1, MSI_BUYINGSTORE_TRADE_LACKBUYERZENY)
///     ? = nothing
void clif_buyingstore_trade_failed_seller(struct map_session_data* sd, short result, unsigned short nameid)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x824));
	WFIFOW(fd,0) = 0x824;
	WFIFOW(fd,2) = result;
	WFIFOW(fd,4) = nameid;
	WFIFOSET(fd,packet_len(0x824));
}


/// Search Store Info System
///

/// Request to search for stores (CZ_SEARCH_STORE_INFO).
/// 0835 <packet len>.W <type>.B <max price>.L <min price>.L <name id count>.B <card count>.B { <name id>.W }* { <card>.W }*
/// type:
///     0 = Vending
///     1 = Buying Store
///
/// NOTE:   The client determines the item ids by specifying a name and optionally,
///         amount of card slots. If the client does not know about the item it
///         cannot be searched.
static void clif_parse_SearchStoreInfo(int fd, struct map_session_data* sd)
{
	const unsigned int blocksize = 2;
	const uint8* itemlist;
	const uint8* cardlist;
	unsigned char type;
	unsigned int min_price, max_price, packet_len, count, item_count, card_count;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	packet_len = RFIFOW(fd,info->pos[0]);

	if( packet_len < 15 )
	{// minimum packet length
		ShowError("clif_parse_SearchStoreInfo: Malformed packet (expected length=%u, length=%u, account_id=%d).\n", 15, packet_len, sd->bl.id);
		return;
	}

	type       = RFIFOB(fd,info->pos[1]);
	max_price  = RFIFOL(fd,info->pos[2]);
	min_price  = RFIFOL(fd,info->pos[3]);
	item_count = RFIFOB(fd,info->pos[4]);
	card_count = RFIFOB(fd,info->pos[5]);
	itemlist   = RFIFOP(fd,info->pos[6]);
	cardlist   = RFIFOP(fd,info->pos[6]+blocksize*item_count);

	// check, if there is enough data for the claimed count of items
	packet_len-= info->pos[6];

	if( packet_len%blocksize )
	{
		ShowError("clif_parse_SearchStoreInfo: Unexpected item list size %u (account_id=%d, block size=%u)\n", packet_len, sd->bl.id, blocksize);
		return;
	}
	count = packet_len/blocksize;

	if( count < item_count+card_count )
	{
		ShowError("clif_parse_SearchStoreInfo: Malformed packet (expected count=%u, count=%u, account_id=%d).\n", item_count+card_count, count, sd->bl.id);
		return;
	}

	searchstore_query(sd, type, min_price, max_price, (const unsigned short*)itemlist, item_count, (const unsigned short*)cardlist, card_count);
}


/// Results for a store search request (ZC_SEARCH_STORE_INFO_ACK).
/// 0836 <packet len>.W <is first page>.B <is next page>.B <remaining uses>.B { <store id>.L <account id>.L <shop name>.80B <nameid>.W <item type>.B <price>.L <amount>.W <refine>.B <card1>.W <card2>.W <card3>.W <card4>.W }*
/// is first page:
///     0 = appends to existing results
///     1 = clears previous results before displaying this result set
/// is next page:
///     0 = no "next" label
///     1 = "next" label to retrieve more results
void clif_search_store_info_ack(struct map_session_data* sd)
{
#if PACKETVER >= 20150225
	const unsigned int blocksize = MESSAGE_SIZE+26+5*5;
#else
	const unsigned int blocksize = MESSAGE_SIZE+26;
#endif
	int fd = sd->fd;
	unsigned int i, start, end;

	start = sd->searchstore.pages*SEARCHSTORE_RESULTS_PER_PAGE;
	end   = umin(sd->searchstore.count, start+SEARCHSTORE_RESULTS_PER_PAGE);

	WFIFOHEAD(fd,7+(end-start)*blocksize);
	WFIFOW(fd,0) = 0x836;
	WFIFOW(fd,2) = 7+(end-start)*blocksize;
	WFIFOB(fd,4) = !sd->searchstore.pages;
	WFIFOB(fd,5) = searchstore_querynext(sd);
	WFIFOB(fd,6) = (unsigned char)umin(sd->searchstore.uses, UINT8_MAX);

	for( i = start; i < end; i++ ) {
		struct s_search_store_info_item* ssitem = &sd->searchstore.items[i];
		struct item it;

		WFIFOL(fd,i*blocksize+ 7) = ssitem->store_id;
		WFIFOL(fd,i*blocksize+11) = ssitem->account_id;
		memcpy(WFIFOP(fd,i*blocksize+15), ssitem->store_name, MESSAGE_SIZE);
		WFIFOW(fd,i*blocksize+15+MESSAGE_SIZE) = ssitem->nameid;
		WFIFOB(fd,i*blocksize+17+MESSAGE_SIZE) = itemtype(ssitem->nameid);
		WFIFOL(fd,i*blocksize+18+MESSAGE_SIZE) = ssitem->price;
		WFIFOW(fd,i*blocksize+22+MESSAGE_SIZE) = ssitem->amount;
		WFIFOB(fd,i*blocksize+24+MESSAGE_SIZE) = ssitem->refine;

		// make-up an item for clif_addcards
		memset(&it, 0, sizeof(it));
		memcpy(&it.card, &ssitem->card, sizeof(it.card));
		it.nameid = ssitem->nameid;
		it.amount = ssitem->amount;

		clif_addcards(WFIFOP(fd,i*blocksize+25+MESSAGE_SIZE), &it);
		clif_add_random_options(WFIFOP(fd,i*blocksize+31+MESSAGE_SIZE), &it);
	}

	WFIFOSET(fd,WFIFOW(fd,2));
}


/// Notification of failure when searching for stores (ZC_SEARCH_STORE_INFO_FAILED).
/// 0837 <reason>.B
/// reason:
///     0 = "No matching stores were found." (0x70b)
///     1 = "There are too many results. Please enter more detailed search term." (0x6f8)
///     2 = "You cannot search anymore." (0x706)
///     3 = "You cannot search yet." (0x708)
///     4 = "No sale (purchase) information available." (0x705)
void clif_search_store_info_failed(struct map_session_data* sd, unsigned char reason)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x837));
	WFIFOW(fd,0) = 0x837;
	WFIFOB(fd,2) = reason;
	WFIFOSET(fd,packet_len(0x837));
}


/// Request to display next page of results (CZ_SEARCH_STORE_INFO_NEXT_PAGE).
/// 0838
static void clif_parse_SearchStoreInfoNextPage(int fd, struct map_session_data* sd)
{
	searchstore_next(sd);
}


/// Opens the search store window (ZC_OPEN_SEARCH_STORE_INFO).
/// 083a <type>.W <remaining uses>.B
/// type:
///     0 = Search Stores
///     1 = Search Stores (Cash), asks for confirmation, when clicking a store
void clif_open_search_store_info(struct map_session_data* sd)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x83a));
	WFIFOW(fd,0) = 0x83a;
	WFIFOW(fd,2) = sd->searchstore.effect;
#if PACKETVER > 20100701
	WFIFOB(fd,4) = (unsigned char)umin(sd->searchstore.uses, UINT8_MAX);
#endif
	WFIFOSET(fd,packet_len(0x83a));
}


/// Request to close the store search window (CZ_CLOSE_SEARCH_STORE_INFO).
/// 083b
static void clif_parse_CloseSearchStoreInfo(int fd, struct map_session_data* sd)
{
	searchstore_close(sd);
}


/// Request to invoke catalog effect on a store from search results (CZ_SSILIST_ITEM_CLICK).
/// 083c <account id>.L <store id>.L <nameid>.W
static void clif_parse_SearchStoreInfoListItemClick(int fd, struct map_session_data* sd)
{
	unsigned short nameid;
	uint32 account_id, store_id;
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];

	account_id = RFIFOL(fd,info->pos[0]);
	store_id   = RFIFOL(fd,info->pos[1]);
	nameid     = RFIFOW(fd,info->pos[2]);

	searchstore_click(sd, account_id, store_id, nameid);
}


/// Notification of the store position on current map (ZC_SSILIST_ITEM_CLICK_ACK).
/// 083d <xPos>.W <yPos>.W
void clif_search_store_info_click_ack(struct map_session_data* sd, short x, short y)
{
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x83d));
	WFIFOW(fd,0) = 0x83d;
	WFIFOW(fd,2) = x;
	WFIFOW(fd,4) = y;
	WFIFOSET(fd,packet_len(0x83d));
}


/// Parse function for packet debugging.
void clif_parse_debug(int fd,struct map_session_data *sd)
{
	int cmd, packet_len;

	// clif_parse ensures, that there is at least 2 bytes of data
	cmd = RFIFOW(fd,0);

	if( sd ) {
		packet_len = packet_db[cmd].len;

		if( packet_len == 0 )
		{// unknown
			packet_len = RFIFOREST(fd);
		}
		else if( packet_len == -1 )
		{// variable length
			packet_len = RFIFOW(fd,2);  // clif_parse ensures, that this amount of data is already received
		}
		ShowDebug("Packet debug of 0x%04X (length %d), %s session #%d, %d/%d (AID/CID)\n", cmd, packet_len, sd->state.active ? "authed" : "unauthed", fd, sd->status.account_id, sd->status.char_id);
	}
	else
	{
		packet_len = RFIFOREST(fd);
		ShowDebug("Packet debug of 0x%04X (length %d), session #%d\n", cmd, packet_len, fd);
	}

	ShowDump(RFIFOP(fd,0), packet_len);
}
/*==========================================
 * Server tells client to display a window similar to Magnifier (item) one
 * Server populates the window with avilable elemental converter options according to player's inventory
 *------------------------------------------*/
int clif_elementalconverter_list(struct map_session_data *sd) {
	int i,c,view,fd;

	nullpo_ret(sd);


/// Main client packet processing function
	fd=sd->fd;
	WFIFOHEAD(fd, MAX_SKILL_PRODUCE_DB *2+4);
	WFIFOW(fd, 0)=0x1ad;

	for(i=0,c=0;i<MAX_SKILL_PRODUCE_DB;i++){
		if( skill_can_produce_mix(sd,skill_produce_db[i].nameid,23, 1) ){
			if((view = itemdb_viewid(skill_produce_db[i].nameid)) > 0)
				WFIFOW(fd,c*2+ 4)= view;
			else
				WFIFOW(fd,c*2+ 4)= skill_produce_db[i].nameid;
			c++;
		}
	}
	WFIFOW(fd,2) = c*2+4;
	WFIFOSET(fd, WFIFOW(fd,2));
	if (c > 0) {
		sd->menuskill_id = SA_CREATECON;
		sd->menuskill_val = c;
	}

	return 0;
}
/**
 * Rune Knight
 **/
void clif_millenniumshield(struct block_list *bl, short shields) {
#if PACKETVER >= 20081217
	unsigned char buf[10];

	WBUFW(buf,0) = 0x440;
	WBUFL(buf,2) = bl->id;
	WBUFW(buf,6) = shields;
	WBUFW(buf,8) = 0;
	clif_send(buf,packet_len(0x440),bl,AREA);
#endif
}
/**
 * Warlock
 **/
/*==========================================
 * Spellbook list [LimitLine/3CeAM]
 *------------------------------------------*/
int clif_spellbook_list(struct map_session_data *sd)
{
	int i, c;
	int fd;

	nullpo_ret(sd);

	fd = sd->fd;
	WFIFOHEAD(fd, 8 * 8 + 8);
	WFIFOW(fd,0) = 0x1ad;

	for( i = 0, c = 0; i < MAX_INVENTORY; i ++ )
	{
		if( itemdb_is_spellbook2(sd->inventory.u.items_inventory[i].nameid) )
		{
			WFIFOW(fd, c * 2 + 4) = sd->inventory.u.items_inventory[i].nameid;
			c++;
		}
	}

	if( c > 0 )
	{
		WFIFOW(fd,2) = c * 2 + 4;
		WFIFOSET(fd, WFIFOW(fd, 2));
		sd->menuskill_id = WL_READING_SB;
		sd->menuskill_val = c;
	}
	else{
		status_change_end(&sd->bl,SC_STOP,INVALID_TIMER);
		clif_skill_fail(sd, WL_READING_SB, USESKILL_FAIL_SPELLBOOK, 0);
	}

	return 1;
}
/**
 * Mechanic
 **/
/*==========================================
 * Magic Decoy Material List
 *------------------------------------------*/
int clif_magicdecoy_list(struct map_session_data *sd, uint16 skill_lv, short x, short y) {
	int i, c;
	int fd;

	nullpo_ret(sd);

	fd = sd->fd;
	WFIFOHEAD(fd, 8 * 8 + 8);
	WFIFOW(fd,0) = 0x1ad; // This is the official packet. [pakpil]

	for( i = 0, c = 0; i < MAX_INVENTORY; i ++ ) {
		if( itemdb_group_item_exists(IG_ELEMENT, sd->inventory.u.items_inventory[i].nameid) ) {
			WFIFOW(fd, c * 2 + 4) = sd->inventory.u.items_inventory[i].nameid;
			c ++;
		}
	}
	if( c > 0 ) {
		sd->menuskill_id = NC_MAGICDECOY;
		sd->menuskill_val = skill_lv;
		sd->sc.comet_x = x;
		sd->sc.comet_y = y;
		WFIFOW(fd,2) = c * 2 + 4;
		WFIFOSET(fd, WFIFOW(fd, 2));
	} else {
		clif_skill_fail(sd,NC_MAGICDECOY,USESKILL_FAIL_LEVEL,0);
		return 0;
	}

	return 1;
}
/*==========================================
 * Guillotine Cross Poisons List
 *------------------------------------------*/
int clif_poison_list(struct map_session_data *sd, uint16 skill_lv) {
	int i, c;
	int fd;

	nullpo_ret(sd);

	fd = sd->fd;
	WFIFOHEAD(fd, 8 * 8 + 8);
	WFIFOW(fd,0) = 0x1ad; // This is the official packet. [pakpil]

	for( i = 0, c = 0; i < MAX_INVENTORY; i ++ ) {
		if( itemdb_group_item_exists(IG_POISON, sd->inventory.u.items_inventory[i].nameid) ) {
			WFIFOW(fd, c * 2 + 4) = sd->inventory.u.items_inventory[i].nameid;
			c ++;
		}
	}
	if( c > 0 ) {
		sd->menuskill_id = GC_POISONINGWEAPON;
		sd->menuskill_val = skill_lv;
		WFIFOW(fd,2) = c * 2 + 4;
		WFIFOSET(fd, WFIFOW(fd, 2));
	} else {
		clif_skill_fail(sd,GC_POISONINGWEAPON,USESKILL_FAIL_GUILLONTINE_POISON,0);
		return 0;
	}

	return 1;
}

/// 0442 <Length>.W <count>.L <Skill_list>.W (ZC_SKILL_SELECT_REQUEST).
int clif_autoshadowspell_list(struct map_session_data *sd) {
	int fd, i, c;
	nullpo_ret(sd);
	fd = sd->fd;

	if( !fd ) 
		return 0;

	if( sd->menuskill_id == SC_AUTOSHADOWSPELL )
		return 0;

	WFIFOHEAD(fd, 2 * 6 + 4);
	WFIFOW(fd,0) = 0x442;
	
	//AEGIS listed the specified skills that available for SC_AUTOSHADOWSPELL
	for( i = 0, c = 0; i < MAX_SKILL; i++ )
		if( sd->status.skill[i].flag == SKILL_FLAG_PLAGIARIZED && sd->status.skill[i].id > 0 &&
			(skill_get_inf2(sd->status.skill[i].id)&INF2_AUTOSHADOWSPELL))
		{
			WFIFOW(fd,8+c*2) = sd->status.skill[i].id;
			c++;
		}

	if( c > 0 ) {
		WFIFOW(fd,2) = 8 + c * 2;
		WFIFOL(fd,4) = c;
		WFIFOSET(fd,WFIFOW(fd,2));
		sd->menuskill_id = SC_AUTOSHADOWSPELL;
		sd->menuskill_val = c;
	} else {
		status_change_end(&sd->bl,SC_STOP,INVALID_TIMER);
		clif_skill_fail(sd,SC_AUTOSHADOWSPELL,USESKILL_FAIL_IMITATION_SKILL_NONE,0);
	}

	return 1;
}

/*===========================================
 * Skill list for Four Elemental Analysis
 * and Change Material skills.
 * 07e3 <type>.L (ZC_ITEMLISTWIN_OPEN).
 *------------------------------------------*/
int clif_skill_itemlistwindow( struct map_session_data *sd, uint16 skill_id, uint16 skill_lv ) {
#if PACKETVER >= 20090922
	int fd = sd->fd;

	nullpo_ret(sd);

	sd->menuskill_id = skill_id; // To prevent hacking.
	sd->menuskill_val = skill_lv;

	if( skill_id == GN_CHANGEMATERIAL )
		skill_lv = 0; // Changematerial

	WFIFOHEAD(fd, packet_len(0x7e3));
	WFIFOW(fd,0) = 0x7e3;
	WFIFOL(fd,2) = skill_lv;
	WFIFOL(fd,4) = 0;
	WFIFOSET(fd, packet_len(0x7e3));
#endif
	return 1;
}

/*==========================================
 * Select a skill into a given list (used by SC_AUTOSHADOWSPELL)
 * 0443 <type>.L <skill_id>.W (CZ_SKILL_SELECT_RESPONSE)
 * RFIFOL(fd,2) - type (currently not used)
 *------------------------------------------*/
void clif_parse_SkillSelectMenu(int fd, struct map_session_data *sd) {
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	//int type = RFIFOL(fd,info->pos[0]); //WHY_LOWERVER_COMPATIBILITY =  0x0, WHY_SC_AUTOSHADOWSPELL =  0x1,
	if( sd->menuskill_id != SC_AUTOSHADOWSPELL )
		return;

	if( pc_istrading(sd) ) {
		clif_skill_fail(sd,sd->ud.skill_id,USESKILL_FAIL_LEVEL,0);
		clif_menuskill_clear(sd);
		return;
	}

	skill_select_menu(sd,RFIFOW(fd,info->pos[1]));

	clif_menuskill_clear(sd);
}


/// Kagerou/Oboro amulet spirit (ZC_SPIRITS_ATTRIBUTE).
/// 08cf <id>.L <type>.W <num>.W
void clif_spiritcharm(struct map_session_data *sd) {
	unsigned char buf[10];

	nullpo_retv(sd);

	WBUFW(buf,0) = 0x08cf;
	WBUFL(buf,2) = sd->bl.id;
	WBUFW(buf,6) = sd->spiritcharm_type;
	WBUFW(buf,8) = sd->spiritcharm;
	clif_send(buf, packet_len(0x08cf), &sd->bl, AREA);
}


/// Move Item from or to Personal Tab (CZ_WHATSOEVER) [FE]
/// 0907 <index>.W
///
/// R 0908 <index>.w <type>.b
/// type:
/// 	0 = move item to personal tab
/// 	1 = move item to normal tab
void clif_parse_MoveItem(int fd, struct map_session_data *sd) {
#if PACKETVER >= 20111122
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int index = RFIFOW(fd,info->pos[0]) - 2;
	int type = RFIFOB(fd, info->pos[1]);

	/* can't move while dead. */
	if(pc_isdead(sd)) {
		return;
	}

	if (index < 0 || index >= MAX_INVENTORY)
		return;

	if ( sd->inventory.u.items_inventory[index].favorite && type == 1 )
		sd->inventory.u.items_inventory[index].favorite = 0;
	else if( type == 0 )
		sd->inventory.u.items_inventory[index].favorite = 1;
	else
		return;/* nothing to do. */

	clif_favorite_item(sd, index);
#endif
}


/// Items that are in favorite tab of inventory (ZC_ITEM_FAVORITE).
/// 0900 <index>.W <favorite>.B
void clif_favorite_item(struct map_session_data* sd, unsigned short index) {
	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x908));
	WFIFOW(fd,0) = 0x908;
	WFIFOW(fd,2) = index+2;
	WFIFOL(fd,4) = (sd->inventory.u.items_inventory[index].favorite == 1) ? 0 : 1;
	WFIFOSET(fd,packet_len(0x908));
}


/// 08d2 <id>.L <Pos X>.W <Pos Y>.W (ZC_FASTMOVE).
void clif_snap( struct block_list *bl, short x, short y ) {
	unsigned char buf[10];

	WBUFW(buf,0) = 0x8d2;
	WBUFL(buf,2) = bl->id;
	WBUFW(buf,6) = x;
	WBUFW(buf,8) = y;

	if( disguised(bl) )
	{
		clif_send(buf, packet_len(0x8d2), bl, AREA_WOS);
		WBUFL(buf,2) = -bl->id;
		clif_send(buf, packet_len(0x8d2), bl, SELF);
	} else
		clif_send(buf,packet_len(0x8d2),bl, AREA);
}

/// 0977 <id>.L <HP>.L <maxHP>.L (ZC_HP_INFO).
void clif_monster_hp_bar( struct mob_data* md, int fd ) {
#if PACKETVER >= 20120404
	WFIFOHEAD(fd,packet_len(0x977));

	WFIFOW(fd,0)  = 0x977;
	WFIFOL(fd,2)  = md->bl.id;
	WFIFOL(fd,6)  = md->status.hp;
	WFIFOL(fd,10) = md->status.max_hp;

	WFIFOSET(fd,packet_len(0x977));
#endif
}

/* [Ind] placeholder for unsupported incoming packets (avoids server disconnecting client) */
void __attribute__ ((unused)) clif_parse_dull(int fd, struct map_session_data *sd) {
	return;
}

void clif_partytickack(struct map_session_data* sd, bool flag) {
	WFIFOHEAD(sd->fd, packet_len(0x2c9));
	WFIFOW(sd->fd,0) = 0x2c9; 
	WFIFOB(sd->fd,2) = flag;
	WFIFOSET(sd->fd, packet_len(0x2c9)); 
}

/// Ack world info (ZC_ACK_BEFORE_WORLD_INFO)
/// 0979 <world name>.24B <char name>.24B
void clif_ackworldinfo(struct map_session_data* sd) {
	int fd;

	nullpo_retv(sd);
	fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0x979));
	WFIFOW(fd,0)=0x979;
	//AID -> world name ?
	safestrncpy(WFIFOCP(fd,2), "" /* World name */, 24);
	safestrncpy(WFIFOCP(fd,26), sd->status.name, NAME_LENGTH);
	WFIFOSET(fd,packet_len(0x979));
}

/// req world info (CZ_REQ_BEFORE_WORLD_INFO)
/// 0978 <AID>.L
void clif_parse_reqworldinfo(int fd,struct map_session_data *sd) {
	//uint32 aid = RFIFOL(fd,2); //should we trust client ?
	if(sd) 
		clif_ackworldinfo(sd);
}

/// unknown usage (CZ_BLOCKING_PLAY_CANCEL)
/// 0447
void clif_parse_blocking_playcancel(int fd,struct map_session_data *sd) {
	//if(sd)
	;
}

/// req world info (CZ_CLIENT_VERSION)
/// 044A <version>.L
void clif_parse_client_version(int fd, struct map_session_data *sd) {
	//if(sd)
	;
}

/// Ranking list

/// ranking pointlist  { <name>.24B <point>.L }*10
void clif_sub_ranklist(unsigned char *buf,int idx,struct map_session_data* sd, enum e_rank rankingtype){
	struct fame_list* list;
	int i, size = MAX_FAME_LIST;

	switch(rankingtype) {
		case RANK_BLACKSMITH:	list = smith_fame_list; break;
		case RANK_ALCHEMIST:	list = chemist_fame_list; break;
		case RANK_TAEKWON:		list = taekwon_fame_list; break;
		// PK currently unsupported
		case RANK_KILLER:		list = NULL; size = 0; break;
		default:
			ShowError( "clif_sub_ranklist: Unsupported ranking type '%d'. Please report this.\n", rankingtype );
			return;
	}

	//Packet size limits this list to 10 elements. [Skotlex]
	for (i = 0; i < min(10,size); i++) {
		if (list[i].id > 0) {
			const char* name;
			if (strcmp(list[i].name, "-") == 0 &&
				(name = map_charid2nick(list[i].id)) != NULL)
			{
				safestrncpy(WBUFCP(buf,idx + NAME_LENGTH * i), name, NAME_LENGTH);
			} else {
				safestrncpy(WBUFCP(buf,idx + NAME_LENGTH * i), list[i].name, NAME_LENGTH);
			}
		} else {
			safestrncpy(WBUFCP(buf, idx + NAME_LENGTH * i), "None", NAME_LENGTH);
		}
		WBUFL(buf, idx+NAME_LENGTH*10 + i * 4) = list[i].fame; //points
	}

	for(;i < 10; i++) { //In case the MAX is less than 10.
		safestrncpy(WBUFCP(buf, idx + NAME_LENGTH * i), "Unavailable", NAME_LENGTH);
		WBUFL(buf, idx+NAME_LENGTH*10 + i * 4) = 0;
	}
}

/// Request for the blacksmith ranklist.
/// /blacksmith command sends this packet to the server.
/// 0217 (CZ_BLACKSMITH_RANK)
void clif_parse_Blacksmith( int fd, struct map_session_data *sd ){
	clif_ranklist(sd,RANK_BLACKSMITH);
}

/// Request for the alchemist ranklist.
/// /alchemist command sends this packet to the server.
/// 0218 (CZ_ALCHEMIST_RANK)
void clif_parse_Alchemist( int fd, struct map_session_data *sd ){
	clif_ranklist(sd,RANK_ALCHEMIST);
}

/// Request for the taekwon ranklist.
/// /taekwon command sends this packet to the server.
/// 0225 (CZ_TAEKWON_RANK)
void clif_parse_Taekwon( int fd, struct map_session_data *sd ){
	clif_ranklist(sd,RANK_TAEKWON);
}

/// Request for the killer ranklist.
/// /pk command sends this packet to the server.
/// 0237 (CZ_KILLER_RANK)
void clif_parse_RankingPk( int fd, struct map_session_data *sd ){
	clif_ranklist(sd,RANK_KILLER);
}

/// 0219 { <name>.24B }*10 { <point>.L }*10 (ZC_BLACKSMITH_RANK)
/// 021a { <name>.24B }*10 { <point>.L }*10 (ZC_ALCHEMIST_RANK)
/// 0226 { <name>.24B }*10 { <point>.L }*10 (ZC_TAEKWON_RANK)
/// 0238 { <name>.24B }*10 { <point>.L }*10 (ZC_KILLER_RANK)
/// 097d <RankingType>.W {<CharName>.24B <point>L}*10 <mypoint>L (ZC_ACK_RANKING)
void clif_ranklist(struct map_session_data *sd, int16 rankingType) {
	enum e_rank rank;

#if PACKETVER < 20130710
	unsigned char buf[MAX_FAME_LIST * sizeof(struct fame_list)+2];
	short cmd;

	switch( rankingType ){
		case RANK_BLACKSMITH:	cmd = 0x219; break;
		case RANK_ALCHEMIST:	cmd = 0x21a; break;
		case RANK_TAEKWON:		cmd = 0x226; break;
		case RANK_KILLER:		cmd = 0x238; break;
		default:
			ShowError( "clif_ranklist: Unsupported ranking type '%d'. Please report this.\n", rankingType );
			return;
	}

	// Can be safely casted here, since we validated it before
	rank = (enum e_rank)rankingType;

	WBUFW(buf,0) = cmd;
	clif_sub_ranklist(buf,2,sd,rank);

	clif_send(buf, packet_len(cmd), &sd->bl, SELF);
#else
	unsigned char buf[MAX_FAME_LIST * sizeof(struct fame_list)+8];
	int mypoint = 0;

	switch( rankingType ){
		case RANK_BLACKSMITH:
		case RANK_ALCHEMIST:
		case RANK_TAEKWON:
		case RANK_KILLER:
			break;
		default:
			ShowError( "clif_ranklist: Unsupported ranking type '%d'. Please report this.\n", rankingType );
			return;
	}

	// Can be safely casted here, since we validated it before
	rank = (enum e_rank)rankingType;

	WBUFW(buf,0) = 0x97d;
	WBUFW(buf,2) = rank;
	clif_sub_ranklist(buf,4,sd,rank);

	switch(sd->class_&MAPID_UPPERMASK){ //mypoint (checking if valid type)
		case MAPID_BLACKSMITH:
		case MAPID_ALCHEMIST:
		case MAPID_TAEKWON:
			mypoint = sd->status.fame;
	}
	WBUFL(buf,284) = mypoint; //mypoint
	clif_send(buf, 288, &sd->bl, SELF);
#endif
}

/*
 *  097c <type> (CZ_REQ_RANKING)
 * type
 *  0: /blacksmith
 *  1: /alchemist
 *  2: /taekwon
 *  3: /pk
 * */
void clif_parse_ranklist(int fd,struct map_session_data *sd) {
	struct s_packet_db* info = &packet_db[RFIFOW(fd,0)];
	int16 rankingtype = RFIFOW(fd,info->pos[0]); //type

	clif_ranklist(sd,rankingtype);
}

/// Updates the fame rank points for the given ranking.
/// 021b <points>.L <total points>.L (ZC_BLACKSMITH_POINT)
/// 021c <points>.L <total points>.L (ZC_ALCHEMIST_POINT)
/// 0224 <points>.L <total points>.L (ZC_TAEKWON_POINT)
/// 097e <RankingType>.W <point>.L <TotalPoint>.L (ZC_UPDATE_RANKING_POINT)
void clif_update_rankingpoint(struct map_session_data *sd, int rankingtype, int point) {
	int fd=sd->fd;
#if PACKETVER < 20130710
	short cmd;
	switch(rankingtype){
		case RANK_BLACKSMITH:	cmd = 0x21b; break;
		case RANK_ALCHEMIST:	cmd = 0x21c; break;
		case RANK_TAEKWON:		cmd = 0x224; break;
		default:
			ShowError( "clif_update_rankingpoint: Unsupported ranking type '%d'. Please report this.\n", rankingtype );
			return;
	}

	WFIFOHEAD(fd,packet_len(cmd));
	WFIFOW(fd,0) = cmd;
	WFIFOL(fd,2) = point;
	WFIFOL(fd,6) = sd->status.fame;
	WFIFOSET(fd, packet_len(cmd));
#else
	WFIFOHEAD(fd,packet_len(0x97e));
	WFIFOW(fd,0) = 0x97e;
	WFIFOW(fd,2) = rankingtype;
	WFIFOL(fd,4) = point;
	WFIFOL(fd,8) = sd->status.fame;
	WFIFOSET(fd,packet_len(0x97e));
#endif
}

/**
 * Transmit personal information to player. (rates)
 * 0x08cb <packet len>.W <exp>.W <death>.W <drop>.W <DETAIL_EXP_INFO>7B (ZC_PERSONAL_INFOMATION)
 * <InfoType>.B <Exp>.W <Death>.W <Drop>.W (DETAIL_EXP_INFO 0x08cb)
 * 0x097b <packet len>.W <exp>.L <death>.L <drop>.L <DETAIL_EXP_INFO>13B (ZC_PERSONAL_INFOMATION2)
 * 0x0981 <packet len>.W <exp>.W <death>.W <drop>.W <activity rate>.W <DETAIL_EXP_INFO>13B (ZC_PERSONAL_INFOMATION_CHN)
 * <InfoType>.B <Exp>.L <Death>.L <Drop>.L (DETAIL_EXP_INFO 0x97b|0981)
 * FIXME!
 * - Find/decide for details of EXP, Drop, and Death penalty rates
 * - For now, we're assuming values for DETAIL_EXP_INFO are:
 *   0 - map adjustment (bexp mapflag), 1 - Premium/VIP adjustment, 2 - Server rate adjustment, 3 - None
*/
#ifdef VIP_ENABLE
void clif_display_pinfo(struct map_session_data *sd, int cmdtype) {
	if (sd) {
		struct s_packet_db* info;
		int16 len, szdetails = 13, maxinfotype = PINFO_MAX;
		int cmd = 0, fd, i = 0;
		int tot_baseexp = 100, tot_penalty = 100, tot_drop = 100, factor = 1000;
		int details_bexp[PINFO_MAX];
		int details_drop[PINFO_MAX];
		int details_penalty[PINFO_MAX];

		/**
		 * Set for EXP
		 */
		//0:PCRoom
		details_bexp[0] = map_getmapflag(sd->bl.m, MF_BEXP);
		if (details_bexp[0] == 100 || !details_bexp[0])
			details_bexp[0] = 0;
		else {
			if (details_bexp[0] < 100) {
				details_bexp[0] = 100 - details_bexp[0];
				details_bexp[0] = 0 - details_bexp[0];
			}
			else
				details_bexp[0] = details_bexp[0] - 100;
		}
		//1:Premium
		if (pc_isvip(sd)) {
			details_bexp[1] = battle_config.vip_base_exp_increase * 10;
			if (details_bexp[1] < 0)
				details_bexp[1] = 0 - details_bexp[1];
		}
		else
			details_bexp[1] = 0;
		//2:Server
		details_bexp[2] = battle_config.base_exp_rate;
		if (details_bexp[2] == 100)
			details_bexp[2] = 0;
		else {
			if (details_bexp[2] < 100) {
				details_bexp[2] = 100 - details_bexp[2];
				details_bexp[2] = 0 - details_bexp[2];
			}
			else
				details_bexp[2] = details_bexp[2] - 100;
		}
		//3:TPLUS
		details_bexp[3] = 0;
		/* End - EXP set*/

		/**
		 * Set for Drop rate
		 */
		//0:PCRoom
		details_drop[0] = 0;
		//1:Premium
		details_drop[1] = (battle_config.vip_drop_increase * battle_config.item_rate_common) / 100;
		if (pc_isvip(sd)) {
			if (details_drop[1] < 0)
				details_drop[1] = 0 - details_drop[1];
		}
		else
			details_drop[1] = 0;
		//2:Server
		details_drop[2] = battle_config.item_rate_common;
		if (details_drop[2] == 100)
			details_drop[2] = 0;
		else {
			if (details_drop[2] < 100) {
				details_drop[2] = 100 - details_drop[2];
				details_drop[2] = 0 - details_drop[2];
			}
			else
				details_drop[2] = details_drop[2] - 100;
		}
		//3:TPLUS
		details_drop[3] = 0;
		/* End - Drop set*/

		/**
		 * Set for Penalty rate
		 */
		//! FIXME: Current penalty system makes this announcement unable to give info on + or - rate
		//0:PCRoom
		details_penalty[0] = 0;
		//1:Premium
		if (pc_isvip(sd)) {
			details_penalty[1] = battle_config.vip_exp_penalty_base;
			if (details_penalty[1] == 100)
				details_penalty[1] = 0;
			else {
				if (details_penalty[1] < 100) {
					details_penalty[1] = 100 - details_penalty[1];
					details_penalty[1] = 0 - details_penalty[1];
				}
				else
					details_penalty[1] = details_penalty[1] - 100;
			}
		}
		else
			details_penalty[1] = 0;
		//2:Server
		details_penalty[2] = battle_config.death_penalty_base;
		if (details_penalty[2] == 100)
			details_penalty[2] = 0;
		else {
			if (details_penalty[2] < 100) {
				details_penalty[2] = 100 - details_penalty[2];
				details_penalty[2] = 0 - details_penalty[2];
			}
			else
				details_penalty[2] = details_penalty[2] - 100;
		}
		//3:TPLUS
		details_penalty[3] = 0;
		/* End - Penalty set*/

		cmd = packet_db_ack[cmdtype];
		info = &packet_db[cmd];
		len = info->len; //this is the base len without details
		if(!len) return; //version as packet disable

		if (cmdtype == ZC_PERSONAL_INFOMATION && cmd == 0x08cb) { //0x08cb version
			szdetails = 7;
			factor = 1;
		}
		else if (cmd == 0x097b) {
			tot_baseexp *= factor;
			tot_drop *= factor;
			tot_penalty *= factor;
		}

		fd = sd->fd;
		WFIFOHEAD(fd,len+maxinfotype*szdetails);
		WFIFOW(fd,0) = cmd;

		for (i = 0; i < maxinfotype; i++) {
			WFIFOB(fd,info->pos[4]+(i*szdetails)) = i; //infotype //0 PCRoom, 1 Premium, 2 Server, 3 TPlus

			WFIFOL(fd,info->pos[5]+(i*szdetails)) = details_bexp[i]*factor;
			WFIFOL(fd,info->pos[6]+(i*szdetails)) = details_penalty[i]*factor;
			WFIFOL(fd,info->pos[7]+(i*szdetails)) = details_drop[i]*factor;

			tot_baseexp += details_bexp[i]*factor;
			tot_drop += details_penalty[i]*factor;
			tot_penalty += details_drop[i]*factor;

			len += szdetails;
		}
		WFIFOW(fd,info->pos[0])  = len; //packetlen
		if (cmd == 0x08cb) { //0x08cb version
			WFIFOW(fd,info->pos[1])  = tot_baseexp;
			WFIFOW(fd,info->pos[2])  = tot_drop;
			WFIFOW(fd,info->pos[3])  = tot_penalty;
		}
		else { //2013-08-07aRagexe uses 0x097b
			WFIFOL(fd,info->pos[1])  = tot_baseexp;
			WFIFOL(fd,info->pos[2])  = tot_drop;
			WFIFOL(fd,info->pos[3])  = tot_penalty;
		}
		if (cmdtype == ZC_PERSONAL_INFOMATION_CHN)
			WFIFOW(fd,info->pos[8])  = 0; //activity rate case of event ??
		WFIFOSET(fd,len);
	}
}
#endif

void clif_parse_GMFullStrip(int fd, struct map_session_data *sd) {
	char cmd[30];
	int t_aid = RFIFOL(fd,2);
	safesnprintf(cmd,sizeof(cmd),"%cfullstrip %d",atcommand_symbol,t_aid);
	is_atcommand(fd, sd, cmd, 1);
}

/**
* Marks Crimson Marker target on mini-map to the caster
* 09C1 <id>.L <x>.W <y>.W (ZC_C_MARKERINFO)
* @param fd
* @param bl Crimson Marker target
**/
void clif_crimson_marker(struct map_session_data *sd, struct block_list *bl, bool remove) {
	struct s_packet_db* info;
	int cmd = 0;
	int16 len;
	unsigned char buf[11];

	nullpo_retv(sd);

	cmd = packet_db_ack[ZC_C_MARKERINFO];
	if (!cmd)
		cmd = 0x09C1; //default
	info = &packet_db[cmd];
	if (!(len = info->len))
		return;

	WBUFW(buf, 0) = cmd;
	WBUFL(buf, info->pos[0]) = bl->id;
	WBUFW(buf, info->pos[1]) = (remove ? -1 : bl->x);
	WBUFW(buf, info->pos[2]) = (remove ? -1 : bl->y);
	clif_send(buf, len, &sd->bl, SELF);
}

/**
 * 02d3 <index>.W (ZC_NOTIFY_BIND_ON_EQUIP)
 **/
void clif_notify_bindOnEquip(struct map_session_data *sd, int n) {
	struct s_packet_db *info = NULL;
	int cmd = 0;

	nullpo_retv(sd);

	cmd = packet_db_ack[ZC_NOTIFY_BIND_ON_EQUIP];
	info = &packet_db[cmd];
	if (!cmd || !info->len)
		return;

	WFIFOHEAD(sd->fd, info->len);
	WFIFOW(sd->fd, 0) = cmd;
	WFIFOW(sd->fd, info->pos[0]) = n+2;
	WFIFOSET(sd->fd, info->len);
}

/**
* [Ind/Hercules]
* 08b3 <Length>.W <id>.L <message>.?B (ZC_SHOWSCRIPT)
**/
void clif_showscript(struct block_list* bl, const char* message, enum send_target flag) {
	char buf[256];
	size_t len;
	nullpo_retv(bl);

	if(!message)
		return;

	len = strlen(message)+1;

	if( len > sizeof(buf)-8 ) {
		ShowWarning("clif_showscript: Truncating too long message '%s' (len=%" PRIuPTR ").\n", message, len);
		len = sizeof(buf)-8;
	}

	WBUFW(buf,0) = 0x8b3;
	WBUFW(buf,2) = (uint16)(len+8);
	WBUFL(buf,4) = bl->id;
	safestrncpy(WBUFCP(buf,8), message, len);
	clif_send((unsigned char *) buf, WBUFW(buf,2), bl, flag);
}

/**
* [Ind/Hercules]
* 07fc <OldMasterAID>.L <NewMasterAID>.L (ZC_CHANGE_GROUP_MASTER)
**/
void clif_party_leaderchanged(struct map_session_data *sd, int prev_leader_aid, int new_leader_aid) {
	unsigned char buf[10];

	nullpo_retv(sd);

	WBUFW(buf,0) = 0x7fc;
	WBUFL(buf,2) = prev_leader_aid;
	WBUFL(buf,6) = new_leader_aid;
	clif_send(buf, packet_len(0x7fc), &sd->bl, PARTY);
}

/**
* Sends a clan message to a player
* 098e <length>.W <name>.24B <message>.?B (ZC_NOTIFY_CLAN_CHAT)
**/
void clif_clan_message(struct clan *clan,const char *mes,int len){
#if PACKETVER >= 20131223
	struct map_session_data *sd;
	uint8 buf[256];

	if( len == 0 ){
		return;
	}else if( len > (sizeof(buf)-5-NAME_LENGTH) ){
		ShowWarning("clif_clan_message: Truncated message '%s' (len=%d, max=%" PRIuPTR ", clan_id=%d).\n", mes, len, sizeof(buf)-5, clan->id);
		len = sizeof(buf)-5-NAME_LENGTH;
	}

	WBUFW(buf, 0) = 0x98e;
	WBUFW(buf, 2) = len + 5 + NAME_LENGTH;
	
	// Offially the sender name should also be filled here, but it is not required by the client and since it's in the message too we do not fill it
	//safestrncpy(WBUFCP(buf,4), sendername, NAME_LENGTH);
	safestrncpy(WBUFCP(buf,4+NAME_LENGTH), mes, len+1);

	if((sd = clan_getavailablesd(clan)) != NULL)
		clif_send(buf, WBUFW(buf,2), &sd->bl, CLAN);
#endif
}

/**
* Parses a clan message from a player.
* 098d <length>.W <text>.?B (<name> : <message>) (CZ_CLAN_CHAT)
**/
void clif_parse_clan_chat( int fd, struct map_session_data* sd ){
#if PACKETVER >= 20131223
	char name[NAME_LENGTH], message[CHAT_SIZE_MAX], output[CHAT_SIZE_MAX+NAME_LENGTH*2];

	// validate packet and retrieve name and message
	if( !clif_process_message(sd, false, name, message, output ) )
		return;

	clan_send_message( sd, RFIFOCP(fd,4), RFIFOW(fd,2) - 4 );
#endif
}

/**
* Sends the basic clan informations to the client.
* 098a <length>.W <clan id>.L <clan name>.24B <clan master>.24B <clan map>.16B <alliance count>.B
*      <antagonist count>.B { <alliance>.24B } * alliance count { <antagonist>.24B } * antagonist count (ZC_CLANINFO)
**/
void clif_clan_basicinfo( struct map_session_data *sd ){
#if PACKETVER >= 20131223
	int fd, offset, length, i, flag;
	struct clan* clan;
	char mapname[MAP_NAME_LENGTH_EXT];
	
	nullpo_retv( sd );
	nullpo_retv( clan = sd->clan );
	
	// Check if the player has a valid session and is not autotrading
	if( !clif_session_isValid( sd ) ){
		return;
	}

	length = 8 + 2 * NAME_LENGTH + MAP_NAME_LENGTH_EXT + 2;
	fd = sd->fd;

	WFIFOHEAD(fd,length);

	memset( WFIFOP(fd, 0), 0, length );

	WFIFOW( fd, 0 ) = 0x98a;
	WFIFOL( fd, 4 ) = clan->id;
	offset = 8;
	safestrncpy( WFIFOCP( fd, offset ), clan->name, NAME_LENGTH );
	offset += NAME_LENGTH;
	safestrncpy( WFIFOCP( fd, offset ), clan->master, NAME_LENGTH );
	offset += NAME_LENGTH;
	mapindex_getmapname_ext( clan->map, mapname );
	safestrncpy( WFIFOCP( fd, offset ), mapname, MAP_NAME_LENGTH_EXT );
	offset += MAP_NAME_LENGTH_EXT;

	WFIFOB(fd,offset++) = clan_get_alliance_count(clan,0);
	WFIFOB(fd,offset++) = clan_get_alliance_count(clan,1);

	for( flag = 0; flag < 2; flag++ ){
		for( i = 0; i < MAX_CLANALLIANCE; i++ ){
			if( clan->alliance[i].clan_id > 0 && clan->alliance[i].opposition == flag ){
				safestrncpy( WFIFOCP( fd, offset ), clan->alliance[i].name, NAME_LENGTH );
				offset += NAME_LENGTH;
			}
		}
	}

	WFIFOW( fd, 2 ) = offset;
	WFIFOSET(fd,offset);
#endif
}

/**
* Updates the online and maximum player count of a clan.
* 0988 <online count>.W <maximum member amount>.W (ZC_NOTIFY_CLAN_CONNECTINFO)
**/
void clif_clan_onlinecount( struct clan* clan ){
#if PACKETVER >= 20131223
	uint8 buf[6];
	struct map_session_data *sd;

	WBUFW(buf,0) = 0x988;
	WBUFW(buf,2) = clan->connect_member;
	WBUFW(buf,4) = clan->max_member;

	if((sd = clan_getavailablesd(clan)) != NULL)
		clif_send(buf, 6, &sd->bl, CLAN);
#endif
}

/**
* Notifies the client that the player has left his clan.
* 0989 (ZC_ACK_CLAN_LEAVE)
**/
void clif_clan_leave( struct map_session_data* sd ){
#if PACKETVER >= 20131223
	int fd;
	
	nullpo_retv( sd );
	
	if( !clif_session_isValid( sd ) ){
		return;
	}
	
	fd = sd->fd;

	WFIFOHEAD(fd,2);
	WFIFOW(fd,0) = 0x989;
	WFIFOSET(fd,2);
#endif
}

/**
 * Acknowledge the client about change title result (ZC_ACK_CHANGE_TITLE).
 * 0A2F <result>.B <title_id>.L
 */
void clif_change_title_ack(struct map_session_data *sd, unsigned char result, unsigned long title_id)
{
#if PACKETVER >= 20150513
	int fd;

	nullpo_retv(sd);

	if (!clif_session_isValid(sd))
		return;
	fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0xa2f));
	WFIFOW(fd, 0) = 0xa2f;
	WFIFOB(fd, 2) = result;
	WFIFOL(fd, 3) = title_id;
	WFIFOSET(fd, packet_len(0xa2f));
#endif
}

/**
 * Parsing a request from the client change title (CZ_REQ_CHANGE_TITLE).
 * 0A2E <title_id>.L
 */
void clif_parse_change_title(int fd, struct map_session_data *sd)
{
	int title_id;

	nullpo_retv(sd);

	title_id = RFIFOL(fd, 2);

	if( title_id == sd->status.title_id ){
		// It is exactly the same as the old one
		return;
	}else if( title_id <= 0 ){
		sd->status.title_id = 0;
	}else{
		if (std::find(sd->titles.begin(), sd->titles.end(), title_id) == sd->titles.end()) {
			clif_change_title_ack(sd, 1, title_id);
			return;
		}

		sd->status.title_id = title_id;
	}
	
	clif_name_area(&sd->bl);
	clif_change_title_ack(sd, 0, title_id);
}

#ifdef DUMP_UNKNOWN_PACKET
void DumpUnknown(int fd,TBL_PC *sd,int cmd,int packet_len)
{
	const char* packet_txt = "save/packet.txt";
	FILE* fp;
	time_t time_server;
	struct tm *datetime;
	char datestr[512];

	time(&time_server);  // get time in seconds since 1/1/1970
	datetime = localtime(&time_server); // convert seconds in structure
	// like sprintf, but only for date/time (Sunday, November 02 2003 15:12:52)
	strftime(datestr, sizeof(datestr)-1, "%A, %B %d %Y %X.", datetime); // Server time (normal time): %A, %B %d %Y %X.


	if( ( fp = fopen( packet_txt , "a" ) ) != NULL ) {
		if( sd ) {
			fprintf(fp, "Unknown packet 0x%04X (length %d), %s session #%d, %d/%d (AID/CID) at %s \n", cmd, packet_len, sd->state.active ? "authed" : "unauthed", fd, sd->status.account_id, sd->status.char_id,datestr);
		} else {
			fprintf(fp, "Unknown packet 0x%04X (length %d), session #%d at %s\n", cmd, packet_len, fd,datestr);
		}
		WriteDump(fp, RFIFOP(fd,0), packet_len);
		fprintf(fp, "\n");
		fclose(fp);
	} else {
		ShowError("Failed to write '%s'.\n", packet_txt);
		// Dump on console instead
		if( sd ) {
			ShowDebug("Unknown packet 0x%04X (length %d), %s session #%d, %d/%d (AID/CID) at %s\n", cmd, packet_len, sd->state.active ? "authed" : "unauthed", fd, sd->status.account_id, sd->status.char_id,datestr);
		} else {
			ShowDebug("Unknown packet 0x%04X (length %d), session #%d at %s\n", cmd, packet_len, fd,datestr);
		}

		ShowDump(RFIFOP(fd,0), packet_len);
	}
}
#endif

/// Roulette System
/// Author: Yommy

/// Opens the roulette window
/// 0A1A <result>.B <serial>.L <stage>.B <price index>.B <additional item id>.W <gold>.L <silver>.L <bronze>.L (ZC_ACK_OPEN_ROULETTE)
void clif_roulette_open( struct map_session_data* sd ){
	nullpo_retv(sd);

	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xa1a));
	WFIFOW(fd,0) = 0xa1a;
	WFIFOB(fd,2) = 0; // result
	WFIFOL(fd,3) = 0; // serial
	WFIFOB(fd,7) = (sd->roulette.claimPrize) ? sd->roulette.stage - 1 : 0;
	WFIFOB(fd,8) = (sd->roulette.claimPrize) ? sd->roulette.prizeIdx : -1;
	WFIFOW(fd,9) = -1; //! TODO: Display bonus item
	WFIFOL(fd,11) = sd->roulette_point.gold;
	WFIFOL(fd,15) = sd->roulette_point.silver;
	WFIFOL(fd,19) = sd->roulette_point.bronze;
	WFIFOSET(fd,packet_len(0xa1a));
}

/// Request to open the roulette window
/// 0A19 (CZ_REQ_OPEN_ROULETTE)
void clif_parse_roulette_open( int fd, struct map_session_data* sd ){
	nullpo_retv(sd);

	if (!battle_config.feature_roulette) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1497),false,SELF); //Roulette is disabled
		return;
	}

	clif_roulette_open(sd);
}

/// Sends the info about the available roulette rewards to the client
/// 0A1C <length>.W <serial>.L { { <level>.W <column>.W <item>.W <amount>.W } * MAX_ROULETTE_COLUMNS } * MAX_ROULETTE_LEVEL (ZC_ACK_ROULEITTE_INFO)
/// 0A1C <length>.W <serial>.L { { <level>.W <column>.W <item>.L <amount>.L } * MAX_ROULETTE_COLUMNS } * MAX_ROULETTE_LEVEL (ZC_ACK_ROULEITTE_INFO) >= 20180516
void clif_roulette_info( struct map_session_data* sd ){
	nullpo_retv(sd);

	int fd = sd->fd;
	int len = 8; // Initialize to header size
#if PACKETVER < 20180516
	int size = 8;
#else
	int size = 12;
#endif

	for( int i = 0; i < MAX_ROULETTE_LEVEL; i++ ){
		len += (MAX_ROULETTE_COLUMNS - i) * size;
	}

	WFIFOHEAD(fd,len);
	WFIFOW(fd,0) = 0xa1c;
	WFIFOW(fd,2) = len;
	WFIFOL(fd,4) = 1; // serial

	for(int i = 0, offset = 8; i < MAX_ROULETTE_LEVEL; i++) {
		for(int j = 0; j < MAX_ROULETTE_COLUMNS - i; j++) {
			WFIFOW(fd,offset + 0) = i;
			WFIFOW(fd,offset + 2) = j;
#if PACKETVER < 20180516
			WFIFOW(fd,offset + 4) = rd.nameid[i][j];
			WFIFOW(fd,offset + 6) = rd.qty[i][j];
#else
			WFIFOL(fd,offset + 4) = rd.nameid[i][j];
			WFIFOL(fd,offset + 8) = rd.qty[i][j];
#endif
			offset += size;
		}
	}

	WFIFOSET(fd,len);
}

/// Request the roulette reward data
/// 0A1B (CZ_REQ_ROULETTE_INFO)
void clif_parse_roulette_info( int fd, struct map_session_data* sd ){
	nullpo_retv(sd);

	if (!battle_config.feature_roulette) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1497),false,SELF); //Roulette is disabled
		return;
	}

	clif_roulette_info(sd);
}

/// Notification of the client that the roulette window was closed
/// 0A1D (CZ_REQ_CLOSE_ROULETTE)
void clif_parse_roulette_close( int fd, struct map_session_data* sd ){
	nullpo_retv(sd);

	if (!battle_config.feature_roulette) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1497),false,SELF); //Roulette is disabled
		return;
	}

	// What do we need this for? (other than state tracking), game client closes the window without our response.
}

/// Response to a item reward request
/// 0A22 <type>.B <bonus item>.W (ZC_RECV_ROULETTE_ITEM)
static void clif_roulette_recvitem_ack(struct map_session_data *sd, enum RECV_ROULETTE_ITEM_REQ type) {
#if PACKETVER >= 20141016
	nullpo_retv(sd);

	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xa22));
	WFIFOW(fd,0) = 0xa22;
	WFIFOB(fd,2) = type;
	WFIFOW(fd,3) = 0; //! TODO: Additional item
	WFIFOSET(fd,packet_len(0xa22));
#endif
}

/**
 * Claim roulette reward
 * @param sd Player
 * @return 0:Success
 **/
static uint8 clif_roulette_getitem(struct map_session_data *sd) {
	struct item it;
	uint8 res = 1;

	nullpo_retr(1, sd);

	if (sd->roulette.prizeIdx < 0)
		return RECV_ITEM_FAILED;

	memset(&it, 0, sizeof(it));

	it.nameid = rd.nameid[sd->roulette.prizeStage][sd->roulette.prizeIdx];
	it.identify = 1;

	if ((res = pc_additem(sd, &it, rd.qty[sd->roulette.prizeStage][sd->roulette.prizeIdx], LOG_TYPE_ROULETTE)) == 0) {
		; // onSuccess
	}

	sd->roulette.claimPrize = false;
	sd->roulette.prizeStage = 0;
	sd->roulette.prizeIdx = -1;
	sd->roulette.stage = 0;
	return res;
}

/// Update Roulette window with current stats
/// 0A20 <result>.B <stage>.W <price index>.W <bonus item>.W <gold>.L <silver>.L <bronze>.L (ZC_ACK_GENERATE_ROULETTE)
void clif_roulette_generate( struct map_session_data *sd, unsigned char result, short stage, short prizeIdx, short bonusItemID ){
	nullpo_retv(sd);

	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xa20));
	WFIFOW(fd,0) = 0xa20;
	WFIFOB(fd,2) = result;
	WFIFOW(fd,3) = stage;
	WFIFOW(fd,5) = prizeIdx;
	WFIFOW(fd,7) = bonusItemID;
	WFIFOL(fd,9) = sd->roulette_point.gold;
	WFIFOL(fd,13) = sd->roulette_point.silver;
	WFIFOL(fd,17) = sd->roulette_point.bronze;
	WFIFOSET(fd,packet_len(0xa20));
}

/// Request to start the roulette
/// 0A1F (CZ_REQ_GENERATE_ROULETTE)
void clif_parse_roulette_generate( int fd, struct map_session_data* sd ){
	enum GENERATE_ROULETTE_ACK result;

	nullpo_retv(sd);

	if (!battle_config.feature_roulette) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1497),false,SELF); //Roulette is disabled
		return;
	}

	if( sd->roulette.tick && DIFF_TICK( sd->roulette.tick, gettick() ) > 0 ){
		return;
	}

	if (sd->roulette.stage >= MAX_ROULETTE_LEVEL){
		sd->roulette.stage = 0;
		sd->roulette.claimPrize = false;
		sd->roulette.prizeStage = 0;
		sd->roulette.prizeIdx = -1;
	}

	if( !sd->roulette.stage && sd->roulette_point.bronze <= 0 && sd->roulette_point.silver < 10 && sd->roulette_point.gold < 10 ){
		result = GENERATE_ROULETTE_NO_ENOUGH_POINT;
	}else{
		if (!sd->roulette.stage) {
			if (sd->roulette_point.bronze > 0) {
				sd->roulette_point.bronze -= 1;
				pc_setreg2(sd, ROULETTE_BRONZE_VAR, sd->roulette_point.bronze);
			} else if (sd->roulette_point.silver > 9) {
				sd->roulette_point.silver -= 10;
				sd->roulette.stage = 2;
				pc_setreg2(sd, ROULETTE_SILVER_VAR, sd->roulette_point.silver);
			} else if (sd->roulette_point.gold > 9) {
				sd->roulette_point.gold -= 10;
				sd->roulette.stage = 4;
				pc_setreg2(sd, ROULETTE_GOLD_VAR, sd->roulette_point.gold);
			}
		}

		sd->roulette.prizeStage = sd->roulette.stage;
		sd->roulette.prizeIdx = rnd()%rd.items[sd->roulette.stage];
		sd->roulette.claimPrize = true;
		sd->roulette.tick = gettick() + i64max( 1, ( MAX_ROULETTE_COLUMNS - sd->roulette.prizeStage - 3 ) ) * 1000;

		if( rd.flag[sd->roulette.stage][sd->roulette.prizeIdx]&1 ){
			result = GENERATE_ROULETTE_LOSING;
			sd->roulette.stage = 0;
		}else{
			result = GENERATE_ROULETTE_SUCCESS;
			sd->roulette.stage++;
		}
	}

	clif_roulette_generate(sd,result,sd->roulette.prizeStage,(sd->roulette.prizeIdx == -1 ? 0 : sd->roulette.prizeIdx),0);
}

/// Request to claim a prize
/// 0A21 (CZ_RECV_ROULETTE_ITEM)
void clif_parse_roulette_item( int fd, struct map_session_data* sd ){
	enum RECV_ROULETTE_ITEM_REQ type = RECV_ITEM_FAILED;
	nullpo_retv(sd);

	if (!battle_config.feature_roulette) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1497),false,SELF); //Roulette is disabled
		return;
	}

	if( sd->roulette.tick && DIFF_TICK( sd->roulette.tick, gettick() ) > 0 ){
		return;
	}

	if (sd->roulette.claimPrize && sd->roulette.prizeIdx != -1) {
		switch (clif_roulette_getitem(sd)) {
			case ADDITEM_SUCCESS:
				type = RECV_ITEM_SUCCESS;
				break;
			case ADDITEM_INVALID:
			case ADDITEM_OVERITEM:
			case ADDITEM_OVERAMOUNT:
				type = RECV_ITEM_OVERCOUNT;
				break;
			case ADDITEM_OVERWEIGHT:
				type = RECV_ITEM_OVERWEIGHT;
				break;
			case ADDITEM_STACKLIMIT:
			default:
				type = RECV_ITEM_FAILED;
				break;
		}
	}

	clif_roulette_recvitem_ack(sd,type);
}

/// MERGE ITEM

/**
 * Acknowledge the client about item merger result
 * ZC 096F <index>.W <total>.W <result>.B (ZC_ACK_MERGE_ITEM)
 * @param fd
 * @param sd
 **/
void clif_merge_item_ack(struct map_session_data *sd, unsigned short index, unsigned short count, enum MERGE_ITEM_ACK type) {
	unsigned char buf[9];
	struct s_packet_db *info = NULL;
	short cmd = 0;

	nullpo_retv(sd);

	if (!clif_session_isValid(sd))
		return;
	if (!(cmd = packet_db_ack[ZC_ACK_MERGE_ITEM]))
		return;
	if (!(info = &packet_db[cmd]) || info->len == 0)
		return;

	WBUFW(buf, 0) = cmd;
	WBUFW(buf, info->pos[0]) = index;
	WBUFW(buf, info->pos[1]) = count;
	WBUFB(buf, info->pos[2]) = type;
	clif_send(buf, info->len, &sd->bl, SELF);
}

/**
 * Check if item has the pair to be merged
 * @param sd
 * @param it Item
 * @return True if has pair, False if not
 **/
static bool clif_merge_item_has_pair(struct map_session_data *sd, struct item *it) {
	struct item *it_;
	unsigned short i;

	nullpo_retr(false, sd);

	ARR_FIND(0, MAX_INVENTORY, i, (it_ = &sd->inventory.u.items_inventory[i]) && it->nameid == it_->nameid && it->bound == it_->bound && memcmp(it_, it, sizeof(struct item)) != 0);
	if (i < MAX_INVENTORY)
		return true;

	return false;
}

/**
 * Check if item can be merged
 * @param id Item Data
 * @param it Item
 * @return True if can be merged, False if not
 **/
static bool clif_merge_item_check(struct item_data *id, struct item *it) {
	if (!id || !it)
		return false;
	if (id->type == IT_CASH)
		return false;
	if (!itemdb_isstackable2(id))
		return false;
	if (itemdb_isspecial(it->card[0]))
		return false;
	if (!it->unique_id)
		return false;
	return true;
}

/**
 * Open available item to be merged.
 * Only show 1 item in 1 process.
 * ZC 096D <size>.W { <index>.W }* (ZC_MERGE_ITEM_OPEN)
 * @param sd
 **/
void clif_merge_item_open(struct map_session_data *sd) {
	unsigned char buf[4 + MAX_INVENTORY*2] = { 0 };
	unsigned short cmd = 0, n = 0, i = 0, indexes[MAX_INVENTORY] = { 0 };
	int len = 0;
	struct s_packet_db *info = NULL;
	struct item *it;

	nullpo_retv(sd);
	if (!clif_session_isValid(sd))
		return;
	if (!(cmd = packet_db_ack[ZC_MERGE_ITEM_OPEN]))
		return;
	if (!(info = &packet_db[cmd]) || info->len == 0)
		return;

	// Get entries
	for (i = 0; i < MAX_INVENTORY; i++) {
		if (!clif_merge_item_check(sd->inventory_data[i], (it = &sd->inventory.u.items_inventory[i])))
			continue;
		if (clif_merge_item_has_pair(sd, it))
			indexes[n++] = i;
	}

	if (n < 2) { // No item need to be merged
		clif_msg(sd, MERGE_ITEM_NOT_AVAILABLE);
		return;
	}

	WBUFW(buf, 0) = cmd;
	WBUFW(buf, info->pos[0]) = (len = 4 + n*2);
	for (i = 0; i < n; i++) {
		WBUFW(buf, info->pos[1] + i*2) = indexes[i]+2;
	}

	clif_send(buf, len, &sd->bl, SELF);
}

/**
 * Process item merger
 * CZ 096E <size>.W { <index>.W }* (CZ_REQ_MERGE_ITEM)
 * @param fd
 * @param sd
 **/
void clif_parse_merge_item_req(int fd, struct map_session_data* sd) {
	struct s_packet_db *info = NULL;
	unsigned short n = 0, indexes[MAX_INVENTORY] = { 0 }, i, j;
	unsigned int count = 0;
	struct item_data *id = NULL;

	nullpo_retv(sd);
	if (!clif_session_isValid(sd))
		return;
	if (!(info = &packet_db[RFIFOW(fd,0)]) || info->len == 0)
		return;

	n = (RFIFOW(fd, info->pos[0]) - 4) / 2;

	if (n < 2) { // No item need to be merged
		clif_msg(sd, MERGE_ITEM_NOT_AVAILABLE);
		return;
	}

	for (i = 0, j = 0; i < n; i++) {
		unsigned short idx = RFIFOW(fd, info->pos[1] + i*2) - 2;

		if( idx < 0 || idx >= MAX_INVENTORY ){
			return;
		}

		if (!clif_merge_item_check((id = sd->inventory_data[idx]), &sd->inventory.u.items_inventory[idx]))
			continue;
		indexes[j] = idx;
		if (j && id->nameid != sd->inventory_data[indexes[0]]->nameid) { // Only can merge 1 kind at once
			clif_merge_item_ack(sd, 0, 0, MERGE_ITEM_FAILED_NOT_MERGE);
			return;
		}
		count += sd->inventory.u.items_inventory[idx].amount;
		j++;
	}

	if (n != j || !(id = sd->inventory_data[indexes[0]])) {
		clif_msg(sd, MERGE_ITEM_NOT_AVAILABLE);
		return;
	}

	if (count >= (id->stack.amount ? id->stack.amount : MAX_AMOUNT)) {
		clif_merge_item_ack(sd, 0, 0, MERGE_ITEM_FAILED_MAX_COUNT);
		return;
	}

	// Merrrrge!!!!
	for (i = 1; i < n; i++) {
		unsigned short idx = indexes[i], amt = sd->inventory.u.items_inventory[idx].amount;
		log_pick_pc(sd, LOG_TYPE_MERGE_ITEM, -amt, &sd->inventory.u.items_inventory[idx]);
		memset(&sd->inventory.u.items_inventory[idx], 0, sizeof(sd->inventory.u.items_inventory[0]));
		sd->inventory_data[idx] = NULL;
		clif_delitem(sd, idx, amt, 0);
	}
	sd->inventory.u.items_inventory[indexes[0]].amount = count;

	clif_merge_item_ack(sd, indexes[0]+2, count, MERGE_ITEM_SUCCESS);
}

/**
 * Cancel item merge
 * CZ 0974 (CZ_CANCEL_MERGE_ITEM)
 * @param fd
 * @param sd
 **/
void clif_parse_merge_item_cancel(int fd, struct map_session_data* sd) {
	return; // Nothing todo yet
}

/**
 * 07fd <size>.W <type>.B <itemid>.W <charname_len>.B <charname>.24B <source_len>.B <containerid>.W (ZC_BROADCASTING_SPECIAL_ITEM_OBTAIN)
 * 07fd <size>.W <type>.B <itemid>.W <charname_len>.B <charname>.24B <source_len>.B <srcname>.24B (ZC_BROADCASTING_SPECIAL_ITEM_OBTAIN)
 * type: ITEMOBTAIN_TYPE_BOXITEM & ITEMOBTAIN_TYPE_MONSTER_ITEM "[playername] ... [sourcename] ... [itemname]" -> MsgStringTable[1629]
 * type: ITEMOBTAIN_TYPE_NPC "[playername] ... [itemname]" -> MsgStringTable[1870]
 **/
void clif_broadcast_obtain_special_item(const char *char_name, unsigned short nameid, unsigned short container, enum BROADCASTING_SPECIAL_ITEM_OBTAIN type) {
	unsigned char buf[9 + NAME_LENGTH * 2];
	unsigned short cmd = 0;
	struct s_packet_db *info = NULL;

	if (!(cmd = packet_db_ack[ZC_BROADCASTING_SPECIAL_ITEM_OBTAIN]))
		return;

	if (!(info = &packet_db[cmd]) || info->len == 0)
		return;

	WBUFW(buf, 0) = 0x7fd;
	WBUFB(buf, 4) = type;
	WBUFW(buf, 5) = nameid;
	WBUFB(buf, 7) = NAME_LENGTH;

	if (battle_config.broadcast_hide_name) {
		std::string dispname = std::string(char_name);
		int hide = min(battle_config.broadcast_hide_name, dispname.length() - 1);
		dispname.replace(dispname.length() - hide, hide, hide, '*');
		safestrncpy(WBUFCP(buf, 8), dispname.c_str(), NAME_LENGTH);
	}
	else
		safestrncpy(WBUFCP(buf, 8), char_name, NAME_LENGTH);

	switch (type) {
		case ITEMOBTAIN_TYPE_BOXITEM:
			WBUFW(buf, 2) = 11 + NAME_LENGTH;
			WBUFB(buf, 8 + NAME_LENGTH) = 0;
			WBUFW(buf, 9 + NAME_LENGTH) = container;
			break;

		case ITEMOBTAIN_TYPE_MONSTER_ITEM:
			{
				struct mob_db *db = mob_db(container);
				WBUFW(buf, 2) = 9 + NAME_LENGTH * 2;
				WBUFB(buf, 8 + NAME_LENGTH) = NAME_LENGTH;
				safestrncpy(WBUFCP(buf, 9 + NAME_LENGTH), db->name, NAME_LENGTH);
			}
			break;

		case ITEMOBTAIN_TYPE_NPC:
		default:
			WBUFW(buf, 2) = 8 + NAME_LENGTH;
			break;
	}

	clif_send(buf, WBUFW(buf, 2), NULL, ALL_CLIENT);
}

/// Show body view windows (ZC_DRESSROOM_OPEN).
/// 0A02 <view>.W
/// Value <flag> has the following effects:
/// 1: Open a Dress Room window.
void clif_dressing_room(struct map_session_data *sd, int flag) {
#if PACKETVER >= 20150513
	int fd = sd->fd;

	nullpo_retv(sd);

	WFIFOHEAD(fd, packet_len(0xa02));
	WFIFOW(fd,0) = 0xa02;
	WFIFOW(fd,2) = flag;
	WFIFOSET(fd, packet_len(0xa02));
#endif
}

/// Parsing a request from the client item identify oneclick (CZ_REQ_ONECLICK_ITEMIDENTIFY).
/// 0A35 <result>.W
void clif_parse_Oneclick_Itemidentify(int fd, struct map_session_data *sd) {
#if PACKETVER >= 20150513
	short idx = RFIFOW(fd,packet_db[RFIFOW(fd,0)].pos[0]) - 2, magnifier_idx;

	// Ignore the request
	// - Invalid item index
	// - Invalid item ID or item doesn't exist
	// - Item is already identified
	if (idx < 0 || idx >= MAX_INVENTORY ||
		sd->inventory.u.items_inventory[idx].nameid <= 0 || sd->inventory_data[idx] == NULL ||
		sd->inventory.u.items_inventory[idx].identify)
			return;

	// Ignore the request - No magnifiers in inventory
	if ((magnifier_idx = pc_search_inventory(sd, ITEMID_MAGNIFIER)) == -1 &&
		(magnifier_idx = pc_search_inventory(sd, ITEMID_NOVICE_MAGNIFIER)) == -1)
		return;

	if (pc_delitem(sd, magnifier_idx, 1, 0, 0, LOG_TYPE_OTHER) != 0) // Deleting of magnifier failed, for whatever reason...
		return;

    skill_identify(sd, idx);
#endif
}

/// Starts navigation to the given target on client side
void clif_navigateTo(struct map_session_data *sd, const char* mapname, uint16 x, uint16 y, uint8 flag, bool hideWindow, uint16 mob_id ){
#if PACKETVER >= 20111010
	int fd = sd->fd;

	WFIFOHEAD(fd,27);
	WFIFOW(fd,0) = 0x08e2;

	// How detailed will our navigation be?
	if( mob_id > 0 ){
		x = 0;
		y = 0;
		WFIFOB(fd,2) = 3; // monster with destination field
	}else if( x > 0 && y > 0 ){
		WFIFOB(fd,2) = 0; // with coordinates
	}else{
		x = 0;
		y = 0;
		WFIFOB(fd,2) = 1; // without coordinates(will fail if you are already on the map)
	}

	// Which services can be used for transportation?
	WFIFOB(fd,3) = flag;
	// If this flag is set, the navigation window will not be opened up
	WFIFOB(fd,4) = hideWindow;
	// Target map
	safestrncpy( WFIFOCP(fd,5),mapname,MAP_NAME_LENGTH_EXT);
	// Target x
	WFIFOW(fd,21) = x;
	// Target y
	WFIFOW(fd,23) = y;
	// Target monster ID
	WFIFOW(fd,25) = mob_id;
	WFIFOSET(fd,27);
#endif
}

/// Send hat effects to the client (ZC_HAT_EFFECT).
/// 0A3B <Length>.W <AID>.L <Status>.B { <HatEffectId>.W }
void clif_hat_effects( struct map_session_data* sd, struct block_list* bl, enum send_target target ){
#if PACKETVER >= 20150513
	unsigned char* buf;
	int len,i;
	struct map_session_data *tsd;
	struct block_list* tbl;

	if( target == SELF ){
		tsd = BL_CAST(BL_PC,bl);
		tbl = &sd->bl;
	}else{
		tsd = sd;
		tbl = bl;
	}

	if( !tsd->hatEffectCount )
		return;

	len = 9 + tsd->hatEffectCount * 2;

	buf = (unsigned char*)aMalloc( len );

	WBUFW(buf,0) = 0xa3b;
	WBUFW(buf,2) = len;
	WBUFL(buf,4) = tsd->bl.id;
	WBUFB(buf,8) = 1;

	for( i = 0; i < tsd->hatEffectCount; i++ ){
		WBUFW(buf,9+i*2) = tsd->hatEffectIDs[i];
	}

	clif_send(buf, len,tbl,target);

	aFree(buf);
#endif
}

void clif_hat_effect_single( struct map_session_data* sd, uint16 effectId, bool enable ){
#if PACKETVER >= 20150513
	unsigned char buf[13];

	WBUFW(buf,0) = 0xa3b;
	WBUFW(buf,2) = 13;
	WBUFL(buf,4) = sd->bl.id;
	WBUFB(buf,8) = enable;
	WBUFL(buf,9) = effectId;

	clif_send(buf,13,&sd->bl,AREA);
#endif
}


/// Notify the client that a sale has started
/// 09b2 <item id>.W <remaining time>.L (ZC_NOTIFY_BARGAIN_SALE_SELLING)
void clif_sale_start( struct sale_item_data* sale_item, struct block_list* bl, enum send_target target ){
#if PACKETVER_SUPPORTS_SALES
	unsigned char buf[8];

	WBUFW(buf, 0) = 0x9b2;
	WBUFW(buf, 2) = sale_item->nameid;
	WBUFL(buf, 4) = (uint32)(sale_item->end - time(NULL)); // time in S

	clif_send(buf, 8, bl, target);
#endif
}

/// Notify the clien that a sale has ended
/// 09b3 <item id>.W (ZC_NOTIFY_BARGAIN_SALE_CLOSE)
void clif_sale_end( struct sale_item_data* sale_item, struct block_list* bl, enum send_target target ){
#if PACKETVER_SUPPORTS_SALES
	unsigned char buf[4];

	WBUFW(buf, 0) = 0x9b3;
	WBUFW(buf, 2) = sale_item->nameid;

	clif_send(buf, 4, bl, target);
#endif
}

/// Update the remaining amount of a sale item.
/// 09c4 <item id>.W <amount>.L (ZC_ACK_COUNT_BARGAIN_SALE_ITEM)
void clif_sale_amount( struct sale_item_data* sale_item, struct block_list* bl, enum send_target target ){
#if PACKETVER_SUPPORTS_SALES
	unsigned char buf[8];

	WBUFW(buf, 0) = 0x9c4;
	WBUFW(buf, 2) = sale_item->nameid;
	WBUFL(buf, 4) = sale_item->amount;

	clif_send(buf, 8, bl, target);
#endif
}

/// The client requested a refresh of the current remaining count of a sale item
/// 09ac <account id>.L <item id>.W (CZ_REQ_CASH_BARGAIN_SALE_ITEM_INFO)
void clif_parse_sale_refresh( int fd, struct map_session_data* sd ){
#if PACKETVER_SUPPORTS_SALES
	struct sale_item_data* sale;

	if( RFIFOL(fd, 2) != sd->status.account_id ){
		return;
	}

	sale = sale_find_item( RFIFOW(fd, 6), true );

	if( sale == NULL ){
		return;
	}

	clif_sale_amount(sale, &sd->bl, SELF);
#endif
}

/// Opens the sale administration window on the client
/// 09b5 (ZC_OPEN_BARGAIN_SALE_TOOL)
void clif_sale_open( struct map_session_data* sd ){
#if PACKETVER_SUPPORTS_SALES
	nullpo_retv(sd);

	if( sd->state.sale_open ){
		return;
	}

	sd->state.sale_open = true;

	int fd = sd->fd;

	WFIFOHEAD(fd, 2);
	WFIFOW(fd, 0) = 0x9b5;
	WFIFOSET(fd, 2);
#endif
}

/// Client request to open the sale administration window.
/// This is sent by /limitedsale
/// 09b4 <account id>.L (CZ_OPEN_BARGAIN_SALE_TOOL)
void clif_parse_sale_open( int fd, struct map_session_data* sd ){
#if PACKETVER_SUPPORTS_SALES
	nullpo_retv(sd);

	if( RFIFOL(fd, 2) != sd->status.account_id ){
		return;
	}

	char command[CHAT_SIZE_MAX];

	safesnprintf( command, sizeof(command), "%climitedsale", atcommand_symbol );

	is_atcommand(fd, sd, command, 1);
#endif
}

/// Closes the sale administration window on the client.
/// 09bd (ZC_CLOSE_BARGAIN_SALE_TOOL)
void clif_sale_close(struct map_session_data* sd) {
#if PACKETVER_SUPPORTS_SALES
	nullpo_retv(sd);

	if( !sd->state.sale_open ){
		return;
	}

	sd->state.sale_open = false;

	int fd = sd->fd;

	WFIFOHEAD(fd, 2);
	WFIFOW(fd, 0) = 0x9bd;
	WFIFOSET(fd, 2);
#endif
}

/// Client request to close the sale administration window.
/// 09bc (CZ_CLOSE_BARGAIN_SALE_TOOL)
void clif_parse_sale_close(int fd, struct map_session_data* sd) {
#if PACKETVER_SUPPORTS_SALES
	nullpo_retv(sd);

	if( RFIFOL(fd, 2) != sd->status.account_id ){
		return;
	}

	clif_sale_close(sd);
#endif
}

/// Reply to a item search request for item sale administration.
/// 09ad <result>.W <item id>.W <price>.L (ZC_ACK_CASH_BARGAIN_SALE_ITEM_INFO)
void clif_sale_search_reply( struct map_session_data* sd, struct cash_item_data* item ){
#if PACKETVER_SUPPORTS_SALES
	int fd = sd->fd;

	WFIFOHEAD(fd, 10);
	WFIFOW(fd, 0) = 0x9ad;
	if( item != NULL ){
		WFIFOW(fd, 2) = 0;
		WFIFOW(fd, 4) = item->nameid;
		WFIFOL(fd, 6) = item->price;
	}else{
		WFIFOW(fd, 2) = 1;
		WFIFOW(fd, 4) = 0;
		WFIFOL(fd, 6) = 0;
	}
	WFIFOSET(fd, 10);
#endif
}

/// Search request for an item sale administration.
/// 09ac <length>.W <account id>.L <item name>.?B (CZ_REQ_CASH_BARGAIN_SALE_ITEM_INFO)
void clif_parse_sale_search( int fd, struct map_session_data* sd ){
#if PACKETVER_SUPPORTS_SALES
	char item_name[ITEM_NAME_LENGTH];
	struct item_data *id = NULL;

	nullpo_retv(sd);

	if( RFIFOL(fd, 4) != sd->status.account_id ){
		return;
	}

	if( !sd->state.sale_open ){
		return;
	}

	safestrncpy( item_name, RFIFOCP(fd, 8), min(RFIFOW(fd, 2) - 7, ITEM_NAME_LENGTH) );

	id = itemdb_searchname(item_name);

	if( id ){
		int i;

		for( i = 0; i < cash_shop_items[CASHSHOP_TAB_SALE].count; i++ ){
			if( cash_shop_items[CASHSHOP_TAB_SALE].item[i]->nameid == id->nameid ){
				clif_sale_search_reply( sd, cash_shop_items[CASHSHOP_TAB_SALE].item[i] );
				return;
			}
		}
	}

	// not found
	clif_sale_search_reply( sd, NULL );
#endif
}

/// Reply if an item was successfully put on sale or not.
/// 09af <result>.W (ZC_ACK_APPLY_BARGAIN_SALE_ITEM)
void clif_sale_add_reply( struct map_session_data* sd, enum e_sale_add_result result ){
#if PACKETVER_SUPPORTS_SALES
	int fd = sd->fd;

	WFIFOHEAD(fd, 4);
	WFIFOW(fd, 0) = 0x9af;
	WFIFOW(fd, 2) = (uint16)result;
	WFIFOSET(fd, 4);
#endif
}

/// A client request to put an item on sale.
/// 09ae <account id>.L <item id>.W <amount>.L <start time>.L <hours on sale>.B (CZ_REQ_APPLY_BARGAIN_SALE_ITEM)
/// 0a3d <account id>.L <item id>.W <amount>.L <start time>.L <hours on sale>.W
void clif_parse_sale_add( int fd, struct map_session_data* sd ){
#if PACKETVER_SUPPORTS_SALES
	int32 count;
	int16 nameid;
	int startTime;
	int endTime;
	uint16 sellingHours;

	nullpo_retv(sd);

	if( RFIFOL(fd, 2) != sd->status.account_id ){
		return;
	}

	if( !sd->state.sale_open ){
		return;
	}

	nameid = RFIFOW(fd, 6);
	count = RFIFOL(fd, 8);
	startTime = RFIFOL(fd, 12);
#if PACKETVER >= 20150520
	if( RFIFOW(fd,0) == 0xa3d )
		sellingHours = RFIFOW(fd, 16);
	else
#endif
		sellingHours = RFIFOB(fd, 16);
	
	endTime = startTime + sellingHours * 60 * 60;

	clif_sale_add_reply( sd, sale_add_item(nameid,count,startTime,endTime) );
#endif
}

/// Reply to an item removal from sale.
/// 09b1 <result>.W (ZC_ACK_REMOVE_BARGAIN_SALE_ITEM)
void clif_sale_remove_reply( struct map_session_data* sd, bool failed ){
#if PACKETVER_SUPPORTS_SALES
	int fd = sd->fd;

	WFIFOHEAD(fd, 4);
	WFIFOW(fd, 0) = 0x9b1;
	WFIFOW(fd, 2) = failed;
	WFIFOSET(fd, 4);
#endif
}

/// Request to remove an item from sale.
/// 09b0 <account id>.L <item id>.W (CZ_REQ_REMOVE_BARGAIN_SALE_ITEM)
void clif_parse_sale_remove( int fd, struct map_session_data* sd ){
#if PACKETVER_SUPPORTS_SALES
	nullpo_retv(sd);

	if( RFIFOL(fd, 2) != sd->status.account_id ){
		return;
	}

	if( !sd->state.sale_open ){
		return;
	}

	clif_sale_remove_reply(sd, !sale_remove_item(RFIFOW(fd, 6)));
#endif
}

/// Achievement System
/// Author: Luxuri, Aleos

/**
 * Sends all achievement data to the client (ZC_ALL_ACH_LIST).
 * 0a23 <packetType>.W <packetLength>.W <ACHCount>.L <ACHPoint>.L
 */
void clif_achievement_list_all(struct map_session_data *sd)
{
	nullpo_retv(sd);

	if (!battle_config.feature_achievement) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,772),false,SELF); // Achievements are disabled.
		return;
	}

	int count = sd->achievement_data.count; // All achievements should be sent to the client

	if (count == 0)
		return;

	int len = (50 * count) + 22;
	int fd = sd->fd;
	int *info = achievement_level(sd, true);

	WFIFOHEAD(fd,len);
	WFIFOW(fd, 0) = 0xa23;
	WFIFOW(fd, 2) = len;
	WFIFOL(fd, 4) = count; // Amount of achievements the player has in their list (started/completed)
	WFIFOL(fd, 8) = sd->achievement_data.total_score; // Top number
	WFIFOW(fd, 12) = sd->achievement_data.level; // Achievement Level (gold circle)
	WFIFOL(fd, 14) = info[0]; // Achievement EXP (left number in bar)
	WFIFOL(fd, 18) = info[1]; // Achievement EXP TNL (right number in bar)

	for (int i = 0; i < count; i++) {
		WFIFOL(fd, i * 50 + 22) = (uint32)sd->achievement_data.achievements[i].achievement_id;
		WFIFOB(fd, i * 50 + 26) = (uint32)sd->achievement_data.achievements[i].completed > 0;
		for (int j = 0; j < MAX_ACHIEVEMENT_OBJECTIVES; j++) 
			WFIFOL(fd, (i * 50) + 27 + (j * 4)) = (uint32)sd->achievement_data.achievements[i].count[j];
		WFIFOL(fd, i * 50 + 67) = (uint32)sd->achievement_data.achievements[i].completed;
		WFIFOB(fd, i * 50 + 71) = sd->achievement_data.achievements[i].rewarded > 0;
	}
	WFIFOSET(fd, len);
}

/**
 * Sends a single achievement's data to the client (ZC_ACH_UPDATE).
 * 0a24 <packetType>.W <ACHPoint>.L
 */
void clif_achievement_update(struct map_session_data *sd, struct achievement *ach, int count)
{
	nullpo_retv(sd);

	if (!battle_config.feature_achievement) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,772),false,SELF); // Achievements are disabled.
		return;
	}

	int fd = sd->fd;
	int *info = achievement_level(sd, true);

	WFIFOHEAD(fd, packet_len(0xa24));
	WFIFOW(fd, 0) = 0xa24;
	WFIFOL(fd, 2) = sd->achievement_data.total_score; // Total Achievement Points (top of screen)
	WFIFOW(fd, 6) = sd->achievement_data.level; // Achievement Level (gold circle)
	WFIFOL(fd, 8) = info[0]; // Achievement EXP (left number in bar)
	WFIFOL(fd, 12) = info[1]; // Achievement EXP TNL (right number in bar)
	if (ach) {
		WFIFOL(fd, 16) = ach->achievement_id; // Achievement ID
		WFIFOB(fd, 20) = ach->completed > 0; // Is it complete?
		for (int i = 0; i < MAX_ACHIEVEMENT_OBJECTIVES; i++)
			WFIFOL(fd, 21 + (i * 4)) = (uint32)ach->count[i]; // 1~10 pre-reqs
		WFIFOL(fd, 61) = (uint32)ach->completed; // Epoch time
		WFIFOB(fd, 65) = ach->rewarded > 0; // Got reward?
	} else
		memset(WFIFOP(fd, 16), 0, 40);
	WFIFOSET(fd, packet_len(0xa24));
}

/**
 * Checks if an achievement reward can be rewarded (CZ_REQ_ACH_REWARD).
 * 0a25 <packetType>.W <achievementID>.L
 */
void clif_parse_AchievementCheckReward(int fd, struct map_session_data *sd)
{
	nullpo_retv(sd);

	if( sd->achievement_data.save )
		intif_achievement_save(sd);

	achievement_check_reward(sd, RFIFOL(fd,2));
}

/**
 * Returns the result of achievement_check_reward (ZC_REQ_ACH_REWARD_ACK).
 * 0a26 <packetType>.W <result>.W <achievementID>.L
 */
void clif_achievement_reward_ack(int fd, unsigned char result, int achievement_id)
{
	WFIFOHEAD(fd, packet_len(0xa26));
	WFIFOW(fd, 0) = 0xa26;
	WFIFOB(fd, 2) = result;
	WFIFOL(fd, 3) = achievement_id;
	WFIFOSET(fd, packet_len(0xa26));
}

/// Process the pet evolution request
/// 09fb <packetType>.W <packetLength>.W <evolutionPetEggITID>.W (CZ_PET_EVOLUTION)
void clif_parse_pet_evolution( int fd, struct map_session_data *sd ){
#if PACKETVER >= 20141008
	auto pet = pet_db_search(RFIFOW(fd, 4), PET_EGG);

	if (!pet) {
		clif_pet_evolution_result(sd, e_pet_evolution_result::FAIL_NOT_PETEGG);
		return;
	}

	pet_evolution(sd, pet->class_);
#endif
}

/// Sends the result of the evolution to the client.
/// 09fc <result>.L (ZC_PET_EVOLUTION_RESULT)
void clif_pet_evolution_result( struct map_session_data* sd, e_pet_evolution_result result ){
#if PACKETVER >= 20141008
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0x9fc));
	WFIFOW(fd, 0) = 0x9fc;
	WFIFOL(fd, 2) = static_cast<uint32>(result);
	WFIFOSET(fd, packet_len(0x9fc));
#endif
}

/*
 * This packet is sent by /changedress or /nocosplay
 *
 * 0ae8
 */
void clif_parse_changedress( int fd, struct map_session_data* sd ){
#if PACKETVER >= 20180103
	char command[CHAT_SIZE_MAX];

	safesnprintf( command, sizeof(command), "%cchangedress", atcommand_symbol );
	
	is_atcommand( fd, sd, command, 1 );
#endif
}

/// Opens an UI window of the given type and initializes it with the given data
/// 0AE2 <type>.B <data>.L
void clif_ui_open( struct map_session_data *sd, enum out_ui_type ui_type, int32 data ){
	nullpo_retv(sd);

	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xae2));
	WFIFOW(fd,0) = 0xae2;
	WFIFOB(fd,2) = ui_type;
	WFIFOL(fd,3) = data;
	WFIFOSET(fd,packet_len(0xae2));
}

/// Request to open an UI window of the given type
/// 0A68 <type>.B
void clif_parse_open_ui( int fd, struct map_session_data* sd ){
	switch( RFIFOB(fd,2) ){
		case IN_UI_ATTENDANCE:
			if( !pc_has_permission( sd, PC_PERM_ATTENDANCE ) ){
				clif_messagecolor( &sd->bl, color_table[COLOR_RED], msg_txt( sd, 791 ), false, SELF ); // You are not allowed to use the attendance system.
			}else if( pc_attendance_enabled() ){
				clif_ui_open( sd, OUT_UI_ATTENDANCE, pc_attendance_counter( sd ) );
			}else{
				clif_msg_color( sd, MSG_ATTENDANCE_DISABLED, color_table[COLOR_RED] );
			}
			break;
	}
}

/// Response for attedance request
/// 0AF0 <unknown>.L <data>.L
void clif_attendence_response( struct map_session_data *sd, int32 data ){
	nullpo_retv(sd);

	int fd = sd->fd;

	WFIFOHEAD(fd,packet_len(0xAF0));
	WFIFOW(fd,0) = 0xAF0;
	WFIFOL(fd,2) = 0;
	WFIFOL(fd,6) = data;
	WFIFOSET(fd,packet_len(0xAF0));
}

/// Request from the client to retrieve today's attendance reward
/// 0AEF
void clif_parse_attendance_request( int fd, struct map_session_data* sd ){
	pc_attendance_claim_reward(sd);
}

/// Send out the percentage of weight that causes it to be displayed in red.
/// 0ADE <percentage>.L
void clif_weight_limit( struct map_session_data* sd ){
#if PACKETVER >= 20171025
	nullpo_retv(sd);

	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0xADE));
	WFIFOW(fd, 0) = 0xADE;
#ifdef RENEWAL
	WFIFOL(fd, 2) = battle_config.natural_heal_weight_rate_renewal;
#else
	WFIFOL(fd, 2) = battle_config.natural_heal_weight_rate;
#endif
	WFIFOSET(fd, packet_len(0xADE));
#endif
}

enum e_private_airship_response : uint32{
	PRIVATEAIRSHIP_OK,
	PRIVATEAIRSHIP_RETRY,
	PRIVATEAIRSHIP_ITEM_NOT_ENOUGH,
	PRIVATEAIRSHIP_DESTINATION_MAP_INVALID,
	PRIVATEAIRSHIP_SOURCE_MAP_INVALID,
	PRIVATEAIRSHIP_ITEM_UNAVAILABLE
};

/// Send out the response to a private airship request
/// 0A4A <response>.L
void clif_private_airship_response( struct map_session_data* sd, enum e_private_airship_response response ){
#if PACKETVER >= 20180321
	nullpo_retv( sd );

	int fd = sd->fd;

	WFIFOHEAD( fd, packet_len( 0xA4A ) );
	WFIFOW( fd, 0 ) = 0xA4A;
	WFIFOL( fd, 2 ) = response;
	WFIFOSET( fd, packet_len( 0xA4A ) );
#endif
}

/// Parses a request for a private airship
/// 0A49 <mapname>.16B <itemid>.W
void clif_parse_private_airship_request( int fd, struct map_session_data* sd ){
#if PACKETVER >= 20180321
	// Check if the feature is enabled
	if( !battle_config.feature_privateairship ){
		clif_messagecolor( &sd->bl, color_table[COLOR_RED], msg_txt( sd, 792 ), false, SELF ); // The private airship system is disabled.
		return;
	}

	// Check if the player is allowed to warp from the source map
	if( !map_getmapflag( sd->bl.m, MF_PRIVATEAIRSHIP_SOURCE ) ){
		clif_private_airship_response( sd, PRIVATEAIRSHIP_SOURCE_MAP_INVALID );
		return;
	}

	char mapname[MAP_NAME_LENGTH_EXT];

	safestrncpy( mapname, RFIFOCP( fd, 2 ), MAP_NAME_LENGTH_EXT );

	int16 mapindex = mapindex_name2id( mapname );

	// Check if we know the mapname
	if( mapindex < 0 ){
		clif_private_airship_response( sd, PRIVATEAIRSHIP_DESTINATION_MAP_INVALID );
		return;
	}

	int16 mapid = map_mapindex2mapid( mapindex );

	// Check if the map is available on this server
	if( mapid < 0 ){
		// TODO: add multi map-server support, cant validate the mapflags of the other server
		return;
	}

	// Check if the player tried to warp to the map he is on
	if( sd->bl.m == mapid ){
		// This is blocked by the client, but just to be sure
		return;
	}

	// This can only be a hack, so we prevent it
	if( map_getmapdata( mapid )->instance_id ){
		// Ignore requests to warp directly into a running instance
		return;
	}

	// Check if the player is allowed to warp to the target map
	if( !map_getmapflag( mapid, MF_PRIVATEAIRSHIP_DESTINATION ) ){
		clif_private_airship_response( sd, PRIVATEAIRSHIP_DESTINATION_MAP_INVALID );
		return;
	}

	uint16 item_id = RFIFOW( fd, 2 + MAP_NAME_LENGTH_EXT );

	// Check if the item sent by the client is known to us
	if( !itemdb_group_item_exists(IG_PRIVATE_AIRSHIP, item_id) ){
		clif_private_airship_response( sd, PRIVATEAIRSHIP_ITEM_UNAVAILABLE );
		return;
	}

	int idx = pc_search_inventory( sd, item_id );

	// Check if the player has the item at all
	if( idx < 0 ){
		clif_private_airship_response( sd, PRIVATEAIRSHIP_ITEM_NOT_ENOUGH );
		return;
	}

	// Delete the chosen item
	if( pc_delitem( sd, idx, 1, 0, 0, LOG_TYPE_PRIVATE_AIRSHIP ) ){
		clif_private_airship_response( sd, PRIVATEAIRSHIP_RETRY );
		return;
	}

	// Warp the player to a random spot on the destination map
	pc_setpos( sd, mapindex, 0, 0, CLR_TELEPORT );
#endif
}

/// Sends out the usage history of the guild storage
/// 09DA <size>.W <result>.W <count>.W { <id>.L <item id>.W <amount>.L <action>.B <refine>.L <unique id>.Q <identify>.B <item type>.W
///      { <card item id>.W }*4 <name>.24B <time>.24B <attribute>.B }*count (ZC_ACK_GUILDSTORAGE_LOG)
void clif_guild_storage_log( struct map_session_data* sd, std::vector<struct guild_log_entry>& log, enum e_guild_storage_log result ){
#if PACKETVER >= 20140205
	nullpo_retv( sd );

	int fd = sd->fd;
	int size = 8;
	int sub = 83;

	if( result == GUILDSTORAGE_LOG_FINAL_SUCCESS ){
		size += log.size() * sub;
	}else{
		log.clear();
	}

	WFIFOHEAD(fd, size);
	WFIFOW(fd, 0) = 0x9DA;
	WFIFOW(fd, 2) = size;
	WFIFOW(fd, 4) = result;
	WFIFOW(fd, 6) = (uint16)log.size();

	if( result == GUILDSTORAGE_LOG_FINAL_SUCCESS ){
		for (int offset = 8, i = 0; i < log.size(); i++, offset += sub) {
			struct guild_log_entry& entry = log[i];
			uint16 viewid = itemdb_viewid( entry.item.nameid );

			WFIFOL(fd, offset) = entry.id;
			WFIFOW(fd, offset + 4) = viewid > 0 ? viewid : entry.item.nameid;
			WFIFOL(fd, offset + 6) = (uint16)(entry.amount > 0 ? entry.amount : (entry.amount * -1));
			WFIFOB(fd, offset + 10) = entry.amount > 0; // action = true(put), false(get)
			WFIFOL(fd, offset + 11) = entry.item.refine;
			WFIFOQ(fd, offset + 15) = entry.item.unique_id;
			WFIFOB(fd, offset + 23) = entry.item.identify;
			WFIFOW(fd, offset + 24) = itemtype(entry.item.nameid);
			clif_addcards(WFIFOP(fd, offset + 26), &entry.item);
			safestrncpy(WFIFOCP(fd, offset + 34), entry.name, NAME_LENGTH);
			safestrncpy(WFIFOCP(fd, offset + 34 + NAME_LENGTH), entry.time, NAME_LENGTH);
			WFIFOB(fd, offset + 34 + 2 * NAME_LENGTH) = entry.item.attribute;
		}
	}

	WFIFOSET(fd, size);
#endif
}

/// Activates the client camera info or updates the client camera with the given values.
/// 0A78 <type>.B <range>.F <rotation>.F <latitude>.F
void clif_camerainfo( struct map_session_data* sd, bool show, float range, float rotation, float latitude ){
#if PACKETVER >= 20160525
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0xa78));
	WFIFOW(fd, 0) = 0xa78;
	WFIFOB(fd, 2) = show;
	WFIFOF(fd, 3) = range;
	WFIFOF(fd, 7) = rotation;
	WFIFOF(fd, 11) = latitude;
	WFIFOSET(fd, packet_len(0xa78));
#endif
}

/// Activates or deactives the client camera info or updates the camera settings.
/// This packet is triggered by /viewpointvalue or /setcamera
/// 0A77 <type>.B <range>.F <rotation>.F <latitude>.F
void clif_parse_camerainfo( int fd, struct map_session_data* sd ){
	char command[CHAT_SIZE_MAX];

	// /viewpointvalue
	if( RFIFOB( fd, 2 ) == 1 ){
		safesnprintf( command, sizeof( command ), "%ccamerainfo", atcommand_symbol );
	// /setcamera
	}else{
		safesnprintf( command, sizeof( command ), "%ccamerainfo %03.03f %03.03f %03.03f", atcommand_symbol, RFIFOF( fd, 3 ), RFIFOF( fd, 7 ), RFIFOF( fd, 11 ) );
	}

	is_atcommand( fd, sd, command, 1 );
}

/// Send the full list of items in the equip switch window
/// 0a9b <length>.W { <index>.W <position>.L }*
void clif_equipswitch_list( struct map_session_data* sd ){
#if PACKETVER >= 20170208
	int fd = sd->fd;
	int offset, i, position;

	WFIFOW(fd, 0) = 0xa9b;
	for( i = 0, offset = 4, position = 0; i < EQI_MAX; i++ ){
		short index = sd->equip_switch_index[i];

		if( index >= 0 && !( position & equip_bitmask[i] ) ){
			WFIFOW(fd, offset) = index + 2;
			WFIFOL(fd, offset + 2) = sd->inventory.u.items_inventory[index].equipSwitch;
			position |= sd->inventory.u.items_inventory[index].equipSwitch;
			offset += 6;
		}
	}
	WFIFOW(fd, 2) = offset;
	WFIFOSET(fd, offset);
#endif
}

/// Acknowledgement for removing an equip to the equip switch window
/// 0a9a <index>.W <position.>.L <failure>.W
void clif_equipswitch_remove( struct map_session_data* sd, uint16 index, uint32 pos, bool failed ){
#if PACKETVER >= 20170208
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0xa9a));
	WFIFOW(fd, 0) = 0xa9a;
	WFIFOW(fd, 2) = index + 2;
	WFIFOL(fd, 4) = pos;
	WFIFOW(fd, 8) = failed;
	WFIFOSET(fd, packet_len(0xa9a));
#endif
}

/// Request to remove an equip from the equip switch window
/// 0a99 <index>.W <position>.L <= 20170502
/// 0a99 <index>.W
void clif_parse_equipswitch_remove( int fd, struct map_session_data* sd ){
#if PACKETVER >= 20170208
	uint16 index = RFIFOW(fd, 2) - 2;
	bool removed = false;

	if( !battle_config.feature_equipswitch ){
		return;
	}

	// Check if the index is valid
	if( index >= MAX_INVENTORY ){
		return;
	}

	pc_equipswitch_remove( sd, index );
#endif
}

/// Acknowledgement for adding an equip to the equip switch window
/// 0a98 <index>.W <position.>.L <failure>.L  <= 20170502
/// 0a98 <index>.W <position.>.L <failure>.W
void clif_equipswitch_add( struct map_session_data* sd, uint16 index, uint32 pos, bool failed ){
#if PACKETVER >= 20170208
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0xa98));
	WFIFOW(fd, 0) = 0xa98;
	WFIFOW(fd, 2) = index + 2;
	WFIFOL(fd, 4) = pos;
#if PACKETVER <= 20170502
	WFIFOL(fd, 8) = failed;
#else
	WFIFOW(fd, 8) = failed;
#endif
	WFIFOSET(fd,packet_len(0xa98));
#endif
}

/// Request to add an equip to the equip switch window
/// 0a97 <index>.W <position>.L
void clif_parse_equipswitch_add( int fd, struct map_session_data* sd ){
#if PACKETVER >= 20170208
	uint16 index = RFIFOW(fd, 2) - 2;
	uint32 position = RFIFOL(fd, 4);

	if( !battle_config.feature_equipswitch ){
		return;
	}

	if( index >= MAX_INVENTORY || sd->inventory_data[index] == nullptr ){
		return;
	}

	if( sd->state.trading || sd->npc_shopid ){
		clif_equipswitch_add( sd, index, position, true );
		return;
	}

	if( sd->inventory_data[index]->type == IT_AMMO ){
		position = EQP_AMMO;
	}

	pc_equipitem( sd, index, position, true );
#endif
}

/// Acknowledgement packet for the full equip switch
/// 0a9d <failed>.W
void clif_equipswitch_reply( struct map_session_data* sd, bool failed ){
#if PACKETVER >= 20170208
	int fd = sd->fd;

	WFIFOHEAD(fd, packet_len(0xa9d));
	WFIFOW(fd, 0) = 0xa9d;
	WFIFOW(fd, 2) = failed;
	WFIFOSET(fd, packet_len(0xa9d));
#endif
}

/// Request to do a full equip switch
/// 0a9c
void clif_parse_equipswitch_request( int fd, struct map_session_data* sd ){
#if PACKETVER >= 20170208
	int i;
	t_tick tick = gettick();
	uint16 skill_id = ALL_EQSWITCH, skill_lv = 1;

	if( DIFF_TICK(tick, sd->equipswitch_tick) < 0 ) {
		// Client will not let you send a request
		return;
	}

	sd->equipswitch_tick = tick + skill_get_cooldown( skill_id, skill_lv );

	if( !battle_config.feature_equipswitch ){
		return;
	}

	ARR_FIND( 0, EQI_MAX, i, sd->equip_switch_index[i] >= 0 );

	if( i == EQI_MAX ){
		// client will show: "There is no item to replace." and should not even come here
		clif_equipswitch_reply( sd, false );
		return;
	}

	if( pc_issit(sd) && !pc_setstand( sd, false ) ){
		return;
	}

	clif_parse_skill_toid( sd, skill_id, skill_lv, sd->bl.id );
#endif
}

/// Request to do a single equip switch
/// 0ace <index>.W
void clif_parse_equipswitch_request_single( int fd, struct map_session_data* sd ){
#if PACKETVER >= 20170502
	uint16 index = RFIFOW(fd, 2) - 2;

	if( !battle_config.feature_equipswitch ){
		return;
	}

	// Check if the index is valid
	if( index >= MAX_INVENTORY ){
		return;
	}

	// Check if the item exists
	if (sd->inventory_data[index] == nullptr)
		return;

	// Check if the item was already added to equip switch
	if( sd->inventory.u.items_inventory[index].equipSwitch ){
		if( sd->npc_id ){
#ifdef RENEWAL
			if( pc_hasprogress( sd, WIP_DISABLE_SKILLITEM ) ){
				clif_msg( sd, WORK_IN_PROGRESS );
				return;
			}
#endif
			if( !sd->npc_item_flag ){
				return;
			}
		}

		pc_equipswitch( sd, index );
		return;
	}

	pc_equipitem( sd, index, pc_equippoint(sd, index), true );
#endif
}

/*==========================================
 * Main client packet processing function
 *------------------------------------------*/
static int clif_parse(int fd)
{
	int cmd, packet_len;
	TBL_PC* sd;
	int pnum;
#ifdef PACKET_OBFUSCATION
	int cmd2;
#endif

	//TODO apply delays or disconnect based on packet throughput [FlavioJS]
	// Note: "click masters" can do 80+ clicks in 10 seconds

	for( pnum = 0; pnum < 3; ++pnum )// Limit max packets per cycle to 3 (delay packet spammers) [FlavioJS]  -- This actually aids packet spammers, but stuff like /str+ gets slow without it [Ai4rei]
	{ // begin main client packet processing loop

	sd = (TBL_PC *)session[fd]->session_data;

	if (session[fd]->flag.eof) {
		if (sd) {
			if (sd->state.autotrade) {
				//Disassociate character from the socket connection.
				session[fd]->session_data = NULL;
				sd->fd = 0;
				ShowInfo("Character '" CL_WHITE "%s" CL_RESET "' logged off (using @autotrade).\n", sd->status.name);
			} else
			if (sd->state.active) {
				// Player logout display [Valaris]
				ShowInfo("Character '" CL_WHITE "%s" CL_RESET "' logged off.\n", sd->status.name);
				clif_quitsave(fd, sd);
			} else {
				//Unusual logout (during log on/off/map-changer procedure)
				ShowInfo("Player AID:%d/CID:%d logged off.\n", sd->status.account_id, sd->status.char_id);
				map_quit(sd);
			}
		} else {
			ShowInfo("Closed connection from '" CL_WHITE "%s" CL_RESET "'.\n", ip2str(session[fd]->client_addr, NULL));
		}
		do_close(fd);
		return 0;
	}

	if (RFIFOREST(fd) < 2)
		return 0;

	cmd = RFIFOW(fd, 0);

#ifdef PACKET_OBFUSCATION
	// Check if it is a player that tries to connect to the map server.
	if( sd ){
		// Decrypt the current packet ID with the last key stored in the session.
		cmd = (cmd ^ ((sd->cryptKey >> 16) & 0x7FFF));
	}else{
		// Store the original value for checking
		cmd2 = cmd;

		// A player tries to connect - use the initial keys for the decryption of the packet ID.
		cmd = (cmd ^ ((((clif_cryptKey[0] * clif_cryptKey[1]) + clif_cryptKey[2]) >> 16) & 0x7FFF));
	}
#endif

	// filter out invalid / unsupported packets
	if (cmd > MAX_PACKET_DB || cmd < MIN_PACKET_DB || packet_db[cmd].len == 0) {
		ShowWarning("clif_parse: Received unsupported packet (packet 0x%04x, %d bytes received), disconnecting session #%d.\n", cmd, RFIFOREST(fd), fd);

#ifdef DUMP_INVALID_PACKET
		ShowDump(RFIFOP(fd,0), RFIFOREST(fd));
#endif

#ifdef PACKET_OBFUSCATION_WARN
		// If it is a connection attempt, check if the packet would have been valid without decrypting it
		if( !sd ){
#ifdef PACKET_OBFUSCATION
			if( cmd2 >= MIN_PACKET_DB && cmd2 < MAX_PACKET_DB && packet_db[cmd2].len != 0 && packet_db[cmd2].func == clif_parse_WantToConnection ){
				ShowWarning( "clif_parse: It looks like you have enabled PACKET_OBFUSCATION on server side, but disabled it on client side.\n" );
			}
#else
			// Try to use the initial keys for the decryption of the packet ID.
			cmd = (cmd ^ ((((clif_cryptKey[0] * clif_cryptKey[1]) + clif_cryptKey[2]) >> 16) & 0x7FFF));

			if( cmd >= MIN_PACKET_DB && cmd < MAX_PACKET_DB && packet_db[cmd].len != 0 && packet_db[cmd].func == clif_parse_WantToConnection ){
				ShowWarning( "clif_parse: It looks like you have disabled PACKET_OBFUSCATION on server side, but enabled it on client side.\n" );
			}
#endif
		}
#endif

		set_eof(fd);
		return 0;
	}

	// determine real packet length
	packet_len = packet_db[cmd].len;
	if (packet_len == -1) { // variable-length packet
		if (RFIFOREST(fd) < 4)
			return 0;

		packet_len = RFIFOW(fd,2);
		if (packet_len < 4 || packet_len > 32768) {
			ShowWarning("clif_parse: Received packet 0x%04x specifies invalid packet_len (%d), disconnecting session #%d.\n", cmd, packet_len, fd);
#ifdef DUMP_INVALID_PACKET
			ShowDump(RFIFOP(fd,0), RFIFOREST(fd));
#endif
			set_eof(fd);
			return 0;
		}
	}
	if ((int)RFIFOREST(fd) < packet_len)
		return 0; // not enough data received to form the packet

#ifdef PACKET_OBFUSCATION
	RFIFOW(fd, 0) = cmd;
	if (sd)
		sd->cryptKey = ((sd->cryptKey * clif_cryptKey[1]) + clif_cryptKey[2]) & 0xFFFFFFFF; // Update key for the next packet
#endif

	if( packet_db[cmd].func == clif_parse_debug )
		packet_db[cmd].func(fd, sd);
	else if( packet_db[cmd].func != NULL ) {
		if( !sd && packet_db[cmd].func != clif_parse_WantToConnection )
			; //Only valid packet when there is no session
		else
		if( sd && sd->bl.prev == NULL && packet_db[cmd].func != clif_parse_LoadEndAck )
			; //Only valid packet when player is not on a map
		else
			packet_db[cmd].func(fd, sd);
	}
#ifdef DUMP_UNKNOWN_PACKET
	else DumpUnknown(fd,sd,cmd,packet_len);
#endif
	RFIFOSKIP(fd, packet_len);
	}; // main loop end

	return 0;
}

void packetdb_addpacket( uint16 cmd, uint16 length, void (*func)(int, struct map_session_data *), ... ){
	va_list argp;
	int i;

	if(cmd <= 0 || cmd > MAX_PACKET_DB)
		return;

	packet_db[cmd].len = length;
	packet_db[cmd].func = func;

	va_start(argp, func);

	for( i = 0; i < MAX_PACKET_POS; i++ ){
		int offset = va_arg(argp, int);

		if( offset == 0 ){
			break;
		}

		packet_db[cmd].pos[i] = offset;
	}

	if( i == MAX_PACKET_POS ){
		ShowError( "Too many positions found for packet 0x%04x (max=%d).\n", cmd, MAX_PACKET_POS );
	}

	va_end(argp);
}

/*==========================================
 * Reads packets and setups its array reference
 *------------------------------------------*/
void packetdb_readdb(){
	memset(packet_db,0,sizeof(packet_db));
	memset(packet_db_ack,0,sizeof(packet_db_ack));

#include "clif_packetdb.hpp"
#include "clif_shuffle.hpp"

	ShowStatus("Using packet version: " CL_WHITE "%d" CL_RESET ".\n", PACKETVER);

#ifdef PACKET_OBFUSCATION
	ShowStatus("Packet Obfuscation: " CL_GREEN "Enabled" CL_RESET ". Keys: " CL_WHITE "0x%08X, 0x%08X, 0x%08X" CL_RESET "\n", clif_cryptKey[0], clif_cryptKey[1], clif_cryptKey[2]);
#else
	ShowStatus("Packet Obfuscation: " CL_RED "Disabled" CL_RESET ".\n");
#endif
}

/*==========================================
 *
 *------------------------------------------*/
void do_init_clif(void) {
	const char* colors[COLOR_MAX] = {
		"0x00FF00",
		"0xFF0000",
		"0xFFFFFF",
		"0xFFFF00",
		"0x00FFFF",
		"0xB5FFB5",
	};
	int i;
	/**
	 * Setup Color Table (saves unnecessary load of strtoul on every call)
	 **/
	for(i = 0; i < COLOR_MAX; i++) {
		color_table[i] = strtoul(colors[i],NULL,0);
		color_table[i] = (color_table[i] & 0x0000FF) << 16 | (color_table[i] & 0x00FF00) | (color_table[i] & 0xFF0000) >> 16;//RGB to BGR
	}

	packetdb_readdb();

	set_defaultparse(clif_parse);
	if( make_listen_bind(bind_ip,map_port) == -1 ) {
		ShowFatalError("Failed to bind to port '" CL_WHITE "%d" CL_RESET "'\n",map_port);
		exit(EXIT_FAILURE);
	}

	add_timer_func_list(clif_clearunit_delayed_sub, "clif_clearunit_delayed_sub");
	add_timer_func_list(clif_delayquit, "clif_delayquit");

	delay_clearunit_ers = ers_new(sizeof(struct block_list),"clif.cpp::delay_clearunit_ers",ERS_OPT_CLEAR);
}

void do_final_clif(void) {
	ers_destroy(delay_clearunit_ers);
}