Bug Fixes

* Fixed the cash shop stacking non-stackable items upon purchase. (bugreport:7580, bugreport:7879, bugreport:8224)
* Fixed an issue with selling pet eggs in the cash shop (Hercules d57781c)
* Cleaned up some compile warnings from CPPCheck. (bugreport:9043)

src/char/char_clif.c

@@ -533,11 +533,10 @@ int chclif_parse_char_delete2_cancel(int fd, struct char_session_data* sd) {
  * charserv can handle a MAX_SERVERS mapservs
  */
 int chclif_parse_maplogin(int fd){
-	int i;
-
 	if (RFIFOREST(fd) < 60)
 		return 0;
 	else {
+		int i;
 		char* l_user = (char*)RFIFOP(fd,2);
 		char* l_pass = (char*)RFIFOP(fd,26);
 		l_user[23] = '\0';
@@ -810,7 +809,7 @@ int chclif_parse_charselect(int fd, struct char_session_data* sd,uint32 ipl){
 // S 0970 <name>.24B <slot>.B <hair color>.W <hair style>.W
 // S 0067 <name>.24B <str>.B <agi>.B <vit>.B <int>.B <dex>.B <luk>.B <slot>.B <hair color>.W <hair style>.W
 int chclif_parse_createnewchar(int fd, struct char_session_data* sd,int cmd){
-	int i=0, ch;
+	int i = 0;
 
 	if (cmd == 0x970) FIFOSD_CHECK(31) //>=20120307
 	else if (cmd == 0x67) FIFOSD_CHECK(37)
@@ -843,7 +842,7 @@ int chclif_parse_createnewchar(int fd, struct char_session_data* sd,int cmd){
 		}
 		WFIFOSET(fd,3);
 	} else {
-		int len;
+		int len, ch;
 		// retrieve data
 		struct mmo_charstatus char_dat;
 		char_mmo_char_fromsql(i, &char_dat, false); //Only the short data is needed.
@@ -1093,7 +1092,6 @@ int chclif_parse_chkcaptcha(int fd){
  * @param fd: file descriptor to parse, (link to client)
  */
 int chclif_parse(int fd) {
-	unsigned short cmd;
 	struct char_session_data* sd = (struct char_session_data*)session[fd]->session_data;
 	uint32 ipl = session[fd]->client_addr;
     
@@ -1118,7 +1116,9 @@ int chclif_parse(int fd) {
 
 	while( RFIFOREST(fd) >= 2 )
 	{
-		int next=1;
+		int next = 1;
+		unsigned short cmd;
+
 		cmd = RFIFOW(fd,0);
 		switch( cmd )
 		{

src/char/char_mapif.c

@@ -956,7 +956,7 @@ int chmapif_parse_reqauth(int fd, int id){
         struct auth_node* node;
         struct mmo_charstatus* cd;
         struct mmo_charstatus char_dat;
-        bool autotrade = false;
+        bool autotrade;
 
         DBMap*  auth_db = char_get_authdb();
         DBMap* char_db_ = char_get_chardb();
@@ -966,7 +966,7 @@ int chmapif_parse_reqauth(int fd, int id){
         login_id1  = RFIFOL(fd,10);
         sex        = RFIFOB(fd,14);
         ip         = ntohl(RFIFOL(fd,15));
-        autotrade = RFIFOB(fd,19);
+        autotrade  = RFIFOB(fd,19);
         RFIFOSKIP(fd,20);
 
         node = (struct auth_node*)idb_get(auth_db, account_id);

src/char/int_pet.c

@@ -121,18 +121,18 @@ int inter_pet_delete(int pet_id){
 //------------------------------------------------------
 int mapif_pet_created(int fd, int account_id, struct s_pet *p)
 {
-	WFIFOHEAD(fd, 11);
-	WFIFOW(fd, 0) =0x3880;
-	WFIFOL(fd, 2) =account_id;
+	WFIFOHEAD(fd, 12);
+	WFIFOW(fd, 0) = 0x3880;
+	WFIFOL(fd, 2) = account_id;
 	if(p!=NULL){
-		WFIFOB(fd, 6)=0;
-		WFIFOL(fd, 7) =p->pet_id;
+		WFIFOW(fd, 6) = p->class_;
+		WFIFOL(fd, 8) = p->pet_id;
 		ShowInfo("int_pet: created pet %d - %s\n", p->pet_id, p->name);
 	}else{
-		WFIFOB(fd, 6)=1;
-		WFIFOL(fd, 7)=0;
+		WFIFOB(fd, 6) = 0;
+		WFIFOL(fd, 8) = 0;
 	}
-	WFIFOSET(fd, 11);
+	WFIFOSET(fd, 12);
 
 	return 0;
 }

src/map/cashshop.c

@@ -232,9 +232,8 @@ bool cashshop_buylist( struct map_session_data* sd, uint32 kafrapoints, int n, u
 			clif_cashshop_result( sd, nameid, CASHSHOP_RESULT_ERROR_UNKONWN_ITEM );
 			return false;
 		}else if( !itemdb_isstackable( nameid ) && quantity > 1 ){
-			uint32* quantity_ptr = (uint32*)item_list + i * 5 + 2;
-			ShowWarning( "Player %s (%d:%d) sent a hexed packet trying to buy %d of nonstackable cash item %hu!\n", sd->status.name, sd->status.account_id, sd->status.char_id, quantity, nameid );
-			*quantity_ptr = 1;
+			/* ShowWarning( "Player %s (%d:%d) sent a hexed packet trying to buy %d of nonstackable cash item %hu!\n", sd->status.name, sd->status.account_id, sd->status.char_id, quantity, nameid ); */
+			quantity = 1;
 		}
 
 		switch( pc_checkadditem( sd, nameid, quantity ) ){
@@ -271,9 +270,10 @@ bool cashshop_buylist( struct map_session_data* sd, uint32 kafrapoints, int n, u
 		unsigned short nameid = *( item_list + i * 5 );
 		uint32 quantity = *( item_list + i * 5 + 2 );
 
-		if( itemdb_type( nameid ) == IT_PETEGG ){
-			pet_create_egg( sd, nameid );
-		}else{
+		if (!itemdb_isstackable(nameid) && quantity > 1)
+			quantity = 1;
+
+		if (!pet_create_egg(sd, nameid)) {
 			struct item item_tmp;
 			memset( &item_tmp, 0, sizeof( item_tmp ) );
 

src/map/clif.c

@@ -753,7 +753,7 @@ void clif_dropflooritem(struct flooritem_data* fitem)
 
 	nullpo_retv(fitem);
 
-	if (fitem->item_data.nameid <= 0)
+	if (fitem->item_data.nameid == 0)
 		return;
 
 	WBUFW(buf, offset+0) = header;

src/map/intif.c

@@ -42,7 +42,7 @@ static const int packet_len_table[]={
 	-1,-1, 7, 7,  7,11, 8, 0,  0, 0, 0, 0,  0, 0,  0, 0, //0x3850  Auctions [Zephyrus] itembound[Akinari]
 	-1, 7, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0, //0x3860  Quests [Kevin] [Inkfish]
 	-1, 3, 3, 0,  0, 0, 0, 0,  0, 0, 0, 0, -1, 3,  3, 0, //0x3870  Mercenaries [Zephyrus] / Elemental [pakpil]
-	11,-1, 7, 3,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0, //0x3880
+	12,-1, 7, 3,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0, //0x3880
 	-1,-1, 7, 3,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0, //0x3890  Homunculus [albator]
 };
 
@@ -1294,7 +1294,7 @@ int intif_parse_GuildMasterChanged(int fd)
 // Request pet creation
 int intif_parse_CreatePet(int fd)
 {
-	pet_get_egg(RFIFOL(fd,2),RFIFOL(fd,7),RFIFOB(fd,6));
+	pet_get_egg(RFIFOL(fd,2),RFIFOW(fd,6),RFIFOL(fd,8));
 	return 0;
 }
 

src/map/itemdb.c

@@ -750,7 +750,7 @@ static bool itemdb_read_itemtrade(char* str[], int columns, int current) {
 	flag = atoi(str[1]);
 	gmlv = atoi(str[2]);
 
-	if( flag < 0 || flag > 511 ) {//Check range
+	if( flag > 511 ) {//Check range
 		ShowWarning("itemdb_read_itemtrade: Invalid trading mask %hu for item id %hu.\n", flag, nameid);
 		return false;
 	}

src/map/mob.c

@@ -3264,7 +3264,7 @@ int mobskill_use(struct mob_data *md, unsigned int tick, int event)
 			x = bl->x;
 		  	y = bl->y;
 			// Look for an area to cast the spell around...
-			if (skill_target >= MST_AROUND1 || skill_target >= MST_AROUND5) {
+			if (skill_target >= MST_AROUND5) {
 				j = skill_target >= MST_AROUND1?
 					(skill_target-MST_AROUND1) +1:
 					(skill_target-MST_AROUND5) +1;

src/map/pc.c

@@ -4247,7 +4247,7 @@ char pc_additem(struct map_session_data *sd,struct item *item,int amount,e_log_p
 	nullpo_retr(1, sd);
 	nullpo_retr(1, item);
 
-	if( item->nameid <= 0 || amount <= 0 )
+	if( item->nameid == 0 || amount <= 0 )
 		return ADDITEM_INVALID;
 	if( amount > MAX_AMOUNT )
 		return ADDITEM_OVERAMOUNT;
@@ -4686,7 +4686,7 @@ int pc_useitem(struct map_session_data *sd,int n)
 	item = sd->status.inventory[n];
 	id = sd->inventory_data[n];
 
-	if (item.nameid <= 0 || item.amount <= 0)
+	if (item.nameid == 0 || item.amount <= 0)
 		return 0;
 
 	if( !pc_isUseitem(sd,n) )
@@ -4812,7 +4812,7 @@ unsigned char pc_cart_additem(struct map_session_data *sd,struct item *item,int
 	nullpo_retr(1, sd);
 	nullpo_retr(1, item);
 
-	if(item->nameid <= 0 || amount <= 0)
+	if(item->nameid == 0 || amount <= 0)
 		return 1;
 	data = itemdb_search(item->nameid);
 

src/map/pet.c

@@ -548,26 +548,38 @@ int pet_catch_process2(struct map_session_data* sd, int target_id)
 	return 0;
 }
 
-int pet_get_egg(int account_id,int pet_id,int flag)
-{	//This function is invoked when a new pet has been created, and at no other time!
+/**
+ * Is invoked _only_ when a new pet has been created is a product of packet 0x3880
+ * see mapif_pet_created@int_pet.c for more information
+ * Handles new pet data from inter-server and prepares item information
+ * to add pet egg
+ *
+ * pet_id - Should contain pet id otherwise means failure
+ * returns true on success
+ **/
+bool pet_get_egg(int account_id, short pet_class, int pet_id ) {
 	struct map_session_data *sd;
 	struct item tmp_item;
-	int i=0;
-	unsigned char ret = 0;
+	int i = 0, ret = 0;
 
-	if(flag)
-		return 0;
+	if( pet_id == 0 || pet_class == 0 )
+		return false;
 
 	sd = map_id2sd(account_id);
-	if(sd == NULL)
-		return 0;
-
-	i = search_petDB_index(sd->catch_target_class,PET_CLASS);
+	if( sd == NULL )
+		return false;
+
+	// i = pet_search_petDB_index(sd->catch_target_class,PET_CLASS);
+	// issue: 8150
+	// Before this change in cases where more than one pet egg were requested in a short
+	// period of time it wasn't possible to know which kind of egg was being requested after
+	// the first request. [Panikon]
+	i = search_petDB_index(pet_class,PET_CLASS);
 	sd->catch_target_class = -1;
 
 	if(i < 0) {
 		intif_delete_petdata(pet_id);
-		return 0;
+		return false;
 	}
 
 	memset(&tmp_item,0,sizeof(tmp_item));
@@ -582,7 +594,7 @@ int pet_get_egg(int account_id,int pet_id,int flag)
 		map_addflooritem(&tmp_item,1,sd->bl.m,sd->bl.x,sd->bl.y,0,0,0,0);
 	}
 
-	return 1;
+	return true;
 }
 
 static int pet_unequipitem(struct map_session_data *sd, struct pet_data *pd);

src/map/pet.h

@@ -115,7 +115,7 @@ int pet_recv_petdata(int account_id,struct s_pet *p,int flag);
 int pet_select_egg(struct map_session_data *sd,short egg_index);
 int pet_catch_process1(struct map_session_data *sd,int target_class);
 int pet_catch_process2(struct map_session_data *sd,int target_id);
-int pet_get_egg(int account_id,int pet_id,int flag);
+bool pet_get_egg(int account_id, short pet_class, int pet_id);
 int pet_menu(struct map_session_data *sd,int menunum);
 int pet_change_name(struct map_session_data *sd,char *name);
 int pet_change_name_ack(struct map_session_data *sd, char* name, int flag);

src/map/script.c

@@ -12494,7 +12494,7 @@ BUILDIN_FUNC(getiteminfo)
 	n	= script_getnum(st,3);
 	i_data = itemdb_exists(item_id);
 
-	if (i_data && n>=0 && n<=14) {
+	if (i_data && n <= 14) {
 		item_arr = (int*)&i_data->value_buy;
 		script_pushint(st,item_arr[n]);
 	} else

src/map/skill.c

@@ -12229,8 +12229,6 @@ static int skill_unit_onplace (struct skill_unit *src, struct block_list *bl, un
 {
 	struct skill_unit_group *sg;
 	struct block_list *ss;
-	TBL_PC* sd;
-	struct status_data *status;
 	struct status_change *sc;
 	struct status_change_entry *sce;
 	enum sc_type type;
@@ -12252,9 +12250,7 @@ static int skill_unit_onplace (struct skill_unit *src, struct block_list *bl, un
 	if( skill_get_inf2(sg->skill_id)&(INF2_SONG_DANCE|INF2_ENSEMBLE_SKILL) && map_getcell(bl->m, bl->x, bl->y, CELL_CHKBASILICA) )
 		return 0; //Songs don't work in Basilica
 
-	sd = BL_CAST(BL_PC,bl);
 	sc = status_get_sc(bl);
-	status = status_get_status_data(bl);
 
 	if (sc && sc->option&OPTION_HIDE && sg->skill_id != WZ_HEAVENDRIVE && sg->skill_id != WL_EARTHSTRAIN)
 		return 0; //Hidden characters are immune to AoE skills except to these. [Skotlex]
@@ -15617,7 +15613,7 @@ void skill_repairweapon (struct map_session_data *sd, int idx) {
 		return; //Invalid index??
 
 	item = &target_sd->status.inventory[idx];
-	if( item->nameid <= 0 || item->attribute == 0 )
+	if( item->nameid == 0 || item->attribute == 0 )
 		return; //Again invalid item....
 
 	if( sd != target_sd && !battle_check_range(&sd->bl,&target_sd->bl, skill_get_range2(&sd->bl, sd->menuskill_id,sd->menuskill_val2) ) ){
@@ -18134,7 +18130,7 @@ int skill_arrow_create (struct map_session_data *sd, unsigned short nameid)
 			tmp_item.card[2]=GetWord(sd->status.char_id,0); // CharId
 			tmp_item.card[3]=GetWord(sd->status.char_id,1);
 		}
-		if(tmp_item.nameid <= 0 || tmp_item.amount <= 0)
+		if(tmp_item.nameid == 0 || tmp_item.amount <= 0)
 			continue;
 		if((flag = pc_additem(sd,&tmp_item,tmp_item.amount,LOG_TYPE_PRODUCE))) {
 			clif_additem(sd,0,0,flag);

src/map/status.c

@@ -2023,7 +2023,7 @@ int status_check_visibility(struct block_list *src, struct block_list *target)
 
 				if (((tsc->option&(OPTION_HIDE|OPTION_CLOAK|OPTION_CHASEWALK)) || tsc->data[SC_CAMOUFLAGE] || tsc->data[SC_STEALTHFIELD]) && !(status->mode&MD_BOSS) && (tsd->special_state.perfect_hiding || !(status->mode&MD_DETECTOR)))
 					return 0;
-				if (tsc->data[SC_CLOAKINGEXCEED] && !(status->mode&MD_BOSS) && (tsd->special_state.perfect_hiding || (status->mode&MD_DETECTOR)))
+				if (tsc->data[SC_CLOAKINGEXCEED] && !(status->mode&MD_BOSS) && ((tsd &&tsd->special_state.perfect_hiding) || (status->mode&MD_DETECTOR)))
 					return 0;
 				if (tsc && tsc->data[SC__FEINTBOMB] && !(status->mode&(MD_BOSS|MD_DETECTOR)))
 					return 0;

src/map/storage.c

@@ -164,7 +164,7 @@ static int storage_additem(struct map_session_data* sd, struct item* item_data,
 	struct item_data *data;
 	int i;
 
-	if( item_data->nameid <= 0 || amount <= 0 )
+	if( item_data->nameid == 0 || amount <= 0 )
 		return 1;
 
 	data = itemdb_search(item_data->nameid);