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@@ -1,28 +1,6 @@
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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
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// For more information, see LICENCE in the main folder
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-/*********************************************************************
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- *
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- * Ragnarok Online Emulator : grfio.c -- grf file I/O Module
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- *--------------------------------------------------------------------
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- * special need library : zlib
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- *********************************************************************
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- * $Id: grfio.c,v 1.2 2004/09/29 17:31:49 kalaspuff Exp $
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- *
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- * 2002/12/18... the original edition
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- * 2003/01/23 ... Code correction
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- * 2003/02/01 ... An addition and decryption processing are improved for LocalFile and two or more GRF(s) check processing.
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- * 2003/02/02 ... Even if there is no grf it does not stop -- as -- correction
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- * 2003/02/02... grf reading specification can be added later -- as -- correction (grfio_add function addition)
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- * 2003/02 / 03... at the time of grfio_resourcecheck processing the entry addition processing method -- correction
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- * 2003/02/05... change of the processing in grfio_init
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- * 2003/02/23... a local file check -- GRFIO_LOCAL -- switch (Defoe -- Function Off)
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- * 2003/10/21 ... The data of alpha client was read.
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- * 2003/11/10 ... Ready new grf format.
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- * 2003/11/11 ... version check fix & bug fix
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- * 2006/04/16 ... fixed crash grfio_find_file when file is not found.
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- */
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-
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@@ -30,13 +8,9 @@
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#include <sys/stat.h>
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#include "grfio.h"
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-#include "../common/mmo.h"
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-#include "../common/showmsg.h"
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-#include "../common/malloc.h"
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+#include "malloc.h"
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#include "../zlib/unzip.h"
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-#define CHUNK 16384
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-
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#ifdef __WIN32
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#include "../zlib/zlib.h"
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#include "../zlib/iowin32.h"
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@@ -46,225 +20,6 @@
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#endif
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#endif
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-typedef unsigned char BYTE;
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-typedef unsigned short WORD;
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-typedef unsigned long DWORD;
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-
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-//static char data_file[1024] = ""; // "data.grf";
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-//static char sdata_file[1024] = ""; // "sdata.grf";
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-//static char adata_file[1024] = ""; // "adata.grf";
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-static char data_dir[1024] = ""; // "../";
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-
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-//----------------------------
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-// file entry table struct
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-//----------------------------
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-typedef struct {
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- int srclen; // compressed size
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- int srclen_aligned; //
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- int declen; // original size
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- int srcpos;
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- short next;
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- int cycle;
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- char type;
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- char fn[128-4*5]; // file name
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- char *fnd;
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- signed char gentry; // read grf file select
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-} FILELIST;
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-//gentry ... 0 : It acquires from a local file.
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-// It acquires from the resource file of 1>=:gentry_table[gentry-1].
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-// 1<=: Check a local file.
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-// If it is, after re-setting to 0, it acquires from a local file.
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-// If there is nothing, mark reversal will be carried out, and it will re-set, and will acquire from a resource file as well as 1>=.
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-
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-//Since char defines *FILELIST.gentry, the maximum which can be added by grfio_add becomes by 127 pieces.
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-
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-#define GENTRY_LIMIT 512
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-#define FILELIST_LIMIT 1048576 // temporary maximum, and a theory top maximum are 2G.
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-
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-static FILELIST *filelist = NULL;
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-static int filelist_entrys = 0;
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-static int filelist_maxentry = 0;
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-
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-static char **gentry_table = NULL;
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-static int gentry_entrys = 0;
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-static int gentry_maxentry = 0;
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-
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-//----------------------------
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-// file list hash table
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-//----------------------------
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-static int filelist_hash[256];
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-
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-//----------------------------
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-// grf decode data table
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-//----------------------------
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-static unsigned char BitMaskTable[8] = {
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- 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01
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-};
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-
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-static char BitSwapTable1[64] = {
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- 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4,
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- 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8,
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- 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3,
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- 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7
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-};
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-static char BitSwapTable2[64] = {
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- 40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31,
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- 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29,
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- 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27,
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- 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25
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-};
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-static char BitSwapTable3[32] = {
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- 16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10,
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- 2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25
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-};
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-
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-static unsigned char NibbleData[4][64]={
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- {
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- 0xef, 0x03, 0x41, 0xfd, 0xd8, 0x74, 0x1e, 0x47, 0x26, 0xef, 0xfb, 0x22, 0xb3, 0xd8, 0x84, 0x1e,
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- 0x39, 0xac, 0xa7, 0x60, 0x62, 0xc1, 0xcd, 0xba, 0x5c, 0x96, 0x90, 0x59, 0x05, 0x3b, 0x7a, 0x85,
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- 0x40, 0xfd, 0x1e, 0xc8, 0xe7, 0x8a, 0x8b, 0x21, 0xda, 0x43, 0x64, 0x9f, 0x2d, 0x14, 0xb1, 0x72,
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- 0xf5, 0x5b, 0xc8, 0xb6, 0x9c, 0x37, 0x76, 0xec, 0x39, 0xa0, 0xa3, 0x05, 0x52, 0x6e, 0x0f, 0xd9,
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- }, {
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- 0xa7, 0xdd, 0x0d, 0x78, 0x9e, 0x0b, 0xe3, 0x95, 0x60, 0x36, 0x36, 0x4f, 0xf9, 0x60, 0x5a, 0xa3,
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- 0x11, 0x24, 0xd2, 0x87, 0xc8, 0x52, 0x75, 0xec, 0xbb, 0xc1, 0x4c, 0xba, 0x24, 0xfe, 0x8f, 0x19,
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- 0xda, 0x13, 0x66, 0xaf, 0x49, 0xd0, 0x90, 0x06, 0x8c, 0x6a, 0xfb, 0x91, 0x37, 0x8d, 0x0d, 0x78,
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- 0xbf, 0x49, 0x11, 0xf4, 0x23, 0xe5, 0xce, 0x3b, 0x55, 0xbc, 0xa2, 0x57, 0xe8, 0x22, 0x74, 0xce,
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- }, {
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- 0x2c, 0xea, 0xc1, 0xbf, 0x4a, 0x24, 0x1f, 0xc2, 0x79, 0x47, 0xa2, 0x7c, 0xb6, 0xd9, 0x68, 0x15,
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- 0x80, 0x56, 0x5d, 0x01, 0x33, 0xfd, 0xf4, 0xae, 0xde, 0x30, 0x07, 0x9b, 0xe5, 0x83, 0x9b, 0x68,
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- 0x49, 0xb4, 0x2e, 0x83, 0x1f, 0xc2, 0xb5, 0x7c, 0xa2, 0x19, 0xd8, 0xe5, 0x7c, 0x2f, 0x83, 0xda,
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- 0xf7, 0x6b, 0x90, 0xfe, 0xc4, 0x01, 0x5a, 0x97, 0x61, 0xa6, 0x3d, 0x40, 0x0b, 0x58, 0xe6, 0x3d,
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- }, {
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- 0x4d, 0xd1, 0xb2, 0x0f, 0x28, 0xbd, 0xe4, 0x78, 0xf6, 0x4a, 0x0f, 0x93, 0x8b, 0x17, 0xd1, 0xa4,
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- 0x3a, 0xec, 0xc9, 0x35, 0x93, 0x56, 0x7e, 0xcb, 0x55, 0x20, 0xa0, 0xfe, 0x6c, 0x89, 0x17, 0x62,
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- 0x17, 0x62, 0x4b, 0xb1, 0xb4, 0xde, 0xd1, 0x87, 0xc9, 0x14, 0x3c, 0x4a, 0x7e, 0xa8, 0xe2, 0x7d,
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- 0xa0, 0x9f, 0xf6, 0x5c, 0x6a, 0x09, 0x8d, 0xf0, 0x0f, 0xe3, 0x53, 0x25, 0x95, 0x36, 0x28, 0xcb,
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- }
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-};
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-/*-----------------
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- * long data get
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- */
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-static unsigned int getlong(unsigned char *p)
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-{
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-// return *p+p[1]*256+(p[2]+p[3]*256)*65536;
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- return p[0]
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- | p[1] << 0x08
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- | p[2] << 0x10
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- | p[3] << 0x18; // Shinomori
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-}
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-
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-/*==========================================
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- * Grf data decode : Subs
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- *------------------------------------------
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- */
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-static void NibbleSwap(BYTE *Src, int len)
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-{
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- for(;0<len;len--,Src++) {
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- *Src = (*Src>>4) | (*Src<<4);
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- }
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-}
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-
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-static void BitConvert(BYTE *Src,char *BitSwapTable)
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-{
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- int lop,prm;
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- BYTE tmp[8];
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-// *(DWORD*)tmp=*(DWORD*)(tmp+4)=0;
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- memset(tmp,0,8);
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- for(lop=0;lop!=64;lop++) {
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- prm = BitSwapTable[lop]-1;
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- if (Src[(prm >> 3) & 7] & BitMaskTable[prm & 7]) {
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- tmp[(lop >> 3) & 7] |= BitMaskTable[lop & 7];
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- }
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- }
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-// *(DWORD*)Src = *(DWORD*)tmp;
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-// *(DWORD*)(Src+4) = *(DWORD*)(tmp+4);
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- memcpy(Src,tmp,8);
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-}
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-
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-static void BitConvert4(BYTE *Src)
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-{
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- int lop,prm;
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- BYTE tmp[8];
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- tmp[0] = ((Src[7]<<5) | (Src[4]>>3)) & 0x3f; // ..0 vutsr
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- tmp[1] = ((Src[4]<<1) | (Src[5]>>7)) & 0x3f; // ..srqpo n
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- tmp[2] = ((Src[4]<<5) | (Src[5]>>3)) & 0x3f; // ..o nmlkj
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- tmp[3] = ((Src[5]<<1) | (Src[6]>>7)) & 0x3f; // ..kjihg f
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- tmp[4] = ((Src[5]<<5) | (Src[6]>>3)) & 0x3f; // ..g fedcb
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- tmp[5] = ((Src[6]<<1) | (Src[7]>>7)) & 0x3f; // ..cba98 7
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- tmp[6] = ((Src[6]<<5) | (Src[7]>>3)) & 0x3f; // ..8 76543
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- tmp[7] = ((Src[7]<<1) | (Src[4]>>7)) & 0x3f; // ..43210 v
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-
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- for(lop=0;lop!=4;lop++) {
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- tmp[lop] = (NibbleData[lop][tmp[lop*2]] & 0xf0)
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- | (NibbleData[lop][tmp[lop*2+1]] & 0x0f);
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- }
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-
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- *(DWORD*)(tmp+4)=0;
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- for(lop=0;lop!=32;lop++) {
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- prm = BitSwapTable3[lop]-1;
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- if (tmp[prm >> 3] & BitMaskTable[prm & 7]) {
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- tmp[(lop >> 3) + 4] |= BitMaskTable[lop & 7];
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- }
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- }
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-// *(DWORD*)Src ^= *(DWORD*)(tmp+4);
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- Src[0] ^= tmp[4];
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- Src[1] ^= tmp[5];
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- Src[2] ^= tmp[6];
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- Src[3] ^= tmp[7];
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-}
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-
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-static void decode_des_etc(BYTE *buf,int len,int type,int cycle)
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-{
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- int lop,cnt=0;
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- if(cycle<3) cycle=3;
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- else if(cycle<5) cycle++;
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- else if(cycle<7) cycle+=9;
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- else cycle+=15;
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-
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- for(lop=0;lop*8<len;lop++,buf+=8) {
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- if(lop<20 || (type==0 && lop%cycle==0)){ // des
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- BitConvert(buf,BitSwapTable1);
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- BitConvert4(buf);
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- BitConvert(buf,BitSwapTable2);
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- } else {
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- if(cnt==7 && type==0){
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- int a;
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- BYTE tmp[8];
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- *(DWORD*)tmp = *(DWORD*)buf;
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- *(DWORD*)(tmp+4) = *(DWORD*)(buf+4);
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- cnt=0;
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- buf[0]=tmp[3];
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- buf[1]=tmp[4];
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- buf[2]=tmp[6];
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- buf[3]=tmp[0];
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- buf[4]=tmp[1];
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- buf[5]=tmp[2];
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- buf[6]=tmp[5];
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- a=tmp[7];
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- if(a==0x00) a=0x2b;
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- else if(a==0x2b) a=0x00;
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- else if(a==0x01) a=0x68;
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- else if(a==0x68) a=0x01;
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- else if(a==0x48) a=0x77;
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- else if(a==0x77) a=0x48;
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- else if(a==0x60) a=0xff;
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- else if(a==0xff) a=0x60;
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- else if(a==0x6c) a=0x80;
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- else if(a==0x80) a=0x6c;
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- else if(a==0xb9) a=0xc0;
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- else if(a==0xc0) a=0xb9;
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- else if(a==0xeb) a=0xfe;
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- else if(a==0xfe) a=0xeb;
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- buf[7]=a;
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- }
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- cnt++;
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- }
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- }
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-}
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-/*==========================================
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- * Grf data decode sub : zip
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- *------------------------------------------
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- */
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int decode_zip(unsigned char *dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen)
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{
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z_stream stream;
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@@ -402,630 +157,3 @@ int deflate_file (const char *source, const char *filename)
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return 0;
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}
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-
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-unsigned long grfio_crc32 (const unsigned char *buf, unsigned int len)
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-{
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- return crc32(crc32(0L, Z_NULL, 0), buf, len);
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-}
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-
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-/***********************************************************
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- *** File List Subroutines ***
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- ***********************************************************/
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-
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-/*==========================================
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- * File List : Hash make
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- *------------------------------------------
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- */
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-static int filehash(unsigned char *fname)
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-{
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- unsigned int hash=0;
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- while(*fname) {
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- hash = ((hash<<1)+(hash>>7)*9+tolower(*fname));
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- fname++;
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- }
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- return hash & 255;
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-}
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-
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-/*==========================================
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- * File List : Hash initalize
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- *------------------------------------------
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- */
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-static void hashinit(void)
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-{
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- int lop;
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- for (lop = 0; lop < 256; lop++)
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- filelist_hash[lop] = -1;
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-}
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-
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-/*==========================================
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- * File List : File find
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- *------------------------------------------
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- */
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-static FILELIST *filelist_find(char *fname)
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-{
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- int hash;
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-
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- if (!filelist)
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- return NULL;
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-
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- for (hash = filelist_hash[filehash((unsigned char *) fname)]; hash >= 0; hash = filelist[hash].next) {
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- if(strcmpi(filelist[hash].fn, fname) == 0)
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- break;
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- }
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-
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- return (hash >= 0) ? &filelist[hash] : NULL;
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-}
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-
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-char *grfio_find_file(char *fname){
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- FILELIST *filelist = filelist_find(fname);
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- if (!filelist) return NULL;
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- return (!filelist->fnd?filelist->fn:filelist->fnd);
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-}
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-
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-/*==========================================
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- * File List : Filelist add
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- *------------------------------------------
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- */
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-#define FILELIST_ADDS 1024 // number increment of file lists `
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-
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-static FILELIST* filelist_add(FILELIST *entry)
|
|
|
-{
|
|
|
- int hash;
|
|
|
-
|
|
|
- if (filelist_entrys >= FILELIST_LIMIT) {
|
|
|
- ShowFatalError("GRF filelist limit reached (filelist_add)!\n");
|
|
|
- exit(1);
|
|
|
- }
|
|
|
-
|
|
|
- if (filelist_entrys >= filelist_maxentry) {
|
|
|
- filelist = (FILELIST *)aRealloc(filelist, (filelist_maxentry + FILELIST_ADDS) * sizeof(FILELIST));
|
|
|
- memset(filelist + filelist_maxentry, '\0', FILELIST_ADDS * sizeof(FILELIST));
|
|
|
- filelist_maxentry += FILELIST_ADDS;
|
|
|
- }
|
|
|
-
|
|
|
- memcpy (&filelist[filelist_entrys], entry, sizeof(FILELIST));
|
|
|
-
|
|
|
- hash = filehash((unsigned char *) entry->fn);
|
|
|
- filelist[filelist_entrys].next = filelist_hash[hash];
|
|
|
- filelist_hash[hash] = filelist_entrys;
|
|
|
-
|
|
|
- filelist_entrys++;
|
|
|
-
|
|
|
- return &filelist[filelist_entrys - 1];
|
|
|
-}
|
|
|
-
|
|
|
-static FILELIST* filelist_modify(FILELIST *entry)
|
|
|
-{
|
|
|
- FILELIST *fentry;
|
|
|
- if ((fentry = filelist_find(entry->fn)) != NULL) {
|
|
|
- int tmp = fentry->next;
|
|
|
- memcpy(fentry, entry, sizeof(FILELIST));
|
|
|
- fentry->next = tmp;
|
|
|
- } else {
|
|
|
- fentry = filelist_add(entry);
|
|
|
- }
|
|
|
- return fentry;
|
|
|
-}
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * File List : filelist size adjust
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-static void filelist_adjust(void)
|
|
|
-{
|
|
|
- if (filelist != NULL) {
|
|
|
- if (filelist_maxentry > filelist_entrys) {
|
|
|
- filelist = (FILELIST *)aRealloc(
|
|
|
- filelist, filelist_entrys * sizeof(FILELIST));
|
|
|
- filelist_maxentry = filelist_entrys;
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-/***********************************************************
|
|
|
- *** Grfio Sobroutines ***
|
|
|
- ***********************************************************/
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * Grfio : Resource file size get
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-int grfio_size(char *fname)
|
|
|
-{
|
|
|
- FILELIST *entry;
|
|
|
-
|
|
|
- entry = filelist_find(fname);
|
|
|
-
|
|
|
- if (entry == NULL || entry->gentry < 0) { // LocalFileCheck
|
|
|
- char lfname[256], *p;
|
|
|
- FILELIST lentry;
|
|
|
- struct stat st;
|
|
|
-
|
|
|
- sprintf(lfname, "%s%s", data_dir, fname);
|
|
|
-
|
|
|
- for (p = &lfname[0]; *p != 0; p++)
|
|
|
- if (*p=='\\') *p = '/'; // * At the time of Unix
|
|
|
-
|
|
|
- if (stat(lfname, &st) == 0) {
|
|
|
- strncpy(lentry.fn, fname, sizeof(lentry.fn) - 1);
|
|
|
- lentry.fnd = NULL;
|
|
|
- lentry.declen = st.st_size;
|
|
|
- lentry.gentry = 0; // 0:LocalFile
|
|
|
- entry = filelist_modify(&lentry);
|
|
|
- } else if (entry == NULL) {
|
|
|
- ShowError("%s not found (grfio_size)\n", fname);
|
|
|
- //exit(1);
|
|
|
- return -1;
|
|
|
- }
|
|
|
- }
|
|
|
- return entry->declen;
|
|
|
-}
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * Grfio : Resource file read & size get
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-void* grfio_reads(char *fname, int *size)
|
|
|
-{
|
|
|
- FILE *in;
|
|
|
- FILELIST *entry;
|
|
|
- unsigned char *buf2 = NULL;
|
|
|
-
|
|
|
- entry = filelist_find(fname);
|
|
|
-
|
|
|
- if (entry == NULL || entry->gentry <= 0) { // LocalFileCheck
|
|
|
- char lfname[256], *p;
|
|
|
- FILELIST lentry;
|
|
|
-
|
|
|
- sprintf(lfname, "%s%s", data_dir, fname);
|
|
|
-
|
|
|
- for (p = &lfname[0]; *p != 0; p++)
|
|
|
- if (*p == '\\') *p = '/'; // * At the time of Unix
|
|
|
-
|
|
|
- in = fopen(lfname, "rb");
|
|
|
- if (in != NULL) {
|
|
|
- if (entry != NULL && entry->gentry == 0) {
|
|
|
- lentry.declen = entry->declen;
|
|
|
- } else {
|
|
|
- fseek(in,0,2); // SEEK_END
|
|
|
- lentry.declen = ftell(in);
|
|
|
- }
|
|
|
- fseek(in,0,0); // SEEK_SET
|
|
|
- buf2 = (unsigned char *)aMallocA(lentry.declen + 1024);
|
|
|
- fread(buf2, 1, lentry.declen, in);
|
|
|
- fclose(in);
|
|
|
- strncpy(lentry.fn, fname, sizeof(lentry.fn) - 1);
|
|
|
- lentry.fnd = NULL;
|
|
|
- lentry.gentry = 0; // 0:LocalFile
|
|
|
- entry = filelist_modify(&lentry);
|
|
|
- } else {
|
|
|
- if (entry != NULL && entry->gentry < 0) {
|
|
|
- entry->gentry = -entry->gentry; // local file checked
|
|
|
- } else {
|
|
|
- ShowError("%s not found (grfio_reads - local file %s)\n", fname, lfname);
|
|
|
- return NULL;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- if (entry != NULL && entry->gentry > 0) { // Archive[GRF] File Read
|
|
|
- char *gfname = gentry_table[entry->gentry - 1];
|
|
|
- in = fopen(gfname, "rb");
|
|
|
- if(in != NULL) {
|
|
|
- unsigned char *buf = (unsigned char *)aMallocA(entry->srclen_aligned + 1024);
|
|
|
- fseek(in, entry->srcpos, 0);
|
|
|
- fread(buf, 1, entry->srclen_aligned, in);
|
|
|
- fclose(in);
|
|
|
- buf2 = (unsigned char *)aMallocA(entry->declen + 1024);
|
|
|
- if (entry->type == 1 || entry->type == 3 || entry->type == 5) {
|
|
|
- uLongf len;
|
|
|
- if (entry->cycle >= 0)
|
|
|
- decode_des_etc(buf, entry->srclen_aligned, entry->cycle == 0, entry->cycle);
|
|
|
- len = entry->declen;
|
|
|
- decode_zip(buf2, &len, buf, entry->srclen);
|
|
|
- if (len != entry->declen) {
|
|
|
- ShowError("decode_zip size miss match err: %d != %d\n", (int)len, entry->declen);
|
|
|
- aFree(buf);
|
|
|
- aFree(buf2);
|
|
|
- return NULL;
|
|
|
- }
|
|
|
- } else {
|
|
|
- memcpy(buf2, buf, entry->declen);
|
|
|
- }
|
|
|
- aFree(buf);
|
|
|
- } else {
|
|
|
- ShowError("%s not found (grfio_reads - grf file %s)\n", fname, gfname);
|
|
|
- return NULL;
|
|
|
- }
|
|
|
- }
|
|
|
- if (size != NULL && entry != NULL)
|
|
|
- *size = entry->declen;
|
|
|
-
|
|
|
- return buf2;
|
|
|
-}
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * Resource filename decode
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-static char * decode_filename(unsigned char *buf,int len)
|
|
|
-{
|
|
|
- int lop;
|
|
|
- for(lop=0;lop<len;lop+=8) {
|
|
|
- NibbleSwap(&buf[lop],8);
|
|
|
- BitConvert(&buf[lop],BitSwapTable1);
|
|
|
- BitConvert4(&buf[lop]);
|
|
|
- BitConvert(&buf[lop],BitSwapTable2);
|
|
|
- }
|
|
|
- return (char*)buf;
|
|
|
-}
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * Grfio : Entry table read
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-static int grfio_entryread(char *gfname,int gentry)
|
|
|
-{
|
|
|
- FILE *fp;
|
|
|
- long grf_size,list_size;
|
|
|
- unsigned char grf_header[0x2e];
|
|
|
- int lop,entry,entrys,ofs,grf_version;
|
|
|
- char *fname;
|
|
|
- unsigned char *grf_filelist;
|
|
|
-
|
|
|
- fp = fopen(gfname, "rb");
|
|
|
- if (fp == NULL) {
|
|
|
- ShowWarning("GRF Data File not found: '"CL_WHITE"%s"CL_RESET"'.\n",gfname);
|
|
|
- return 1; // 1:not found error
|
|
|
- }
|
|
|
-
|
|
|
- fseek(fp,0,2); // SEEK_END
|
|
|
- grf_size = ftell(fp);
|
|
|
- fseek(fp,0,0); // SEEK_SET
|
|
|
- fread(grf_header,1,0x2e,fp);
|
|
|
- if (strcmp((const char *) grf_header,"Master of Magic") ||
|
|
|
- fseek(fp,getlong(grf_header+0x1e),1)) // SEEK_CUR
|
|
|
- {
|
|
|
- fclose(fp);
|
|
|
- ShowError("GRF %s read error\n",gfname);
|
|
|
- return 2; // 2:file format error
|
|
|
- }
|
|
|
-
|
|
|
- grf_version = getlong(grf_header+0x2a) >> 8;
|
|
|
-
|
|
|
- if (grf_version == 0x01) { //****** Grf version 01xx ******
|
|
|
- list_size = grf_size - ftell(fp);
|
|
|
- grf_filelist = (unsigned char *) aMallocA(list_size);
|
|
|
- /*if (grf_filelist == NULL){
|
|
|
- fclose(fp);
|
|
|
- ShowError("out of memory : grf_filelist\n");
|
|
|
- return 3; // 3:memory alloc error
|
|
|
- }*/
|
|
|
- fread(grf_filelist,1,list_size,fp);
|
|
|
- fclose(fp);
|
|
|
-
|
|
|
- entrys = getlong(grf_header+0x26) - getlong(grf_header+0x22) - 7;
|
|
|
-
|
|
|
- // Get an entry
|
|
|
- for (entry = 0,ofs = 0; entry < entrys; entry++) {
|
|
|
- int ofs2, srclen, srccount, type;
|
|
|
- char *period_ptr;
|
|
|
- FILELIST aentry;
|
|
|
-
|
|
|
- ofs2 = ofs+getlong(grf_filelist+ofs)+4;
|
|
|
- type = grf_filelist[ofs2+12];
|
|
|
- if (type != 0) { // Directory Index ... skip
|
|
|
- fname = decode_filename(grf_filelist+ofs+6, grf_filelist[ofs]-6);
|
|
|
- if (strlen(fname) > sizeof(aentry.fn) - 1) {
|
|
|
- ShowFatalError("GRF file name %s is too long\n", fname);
|
|
|
- aFree(grf_filelist);
|
|
|
- exit(1);
|
|
|
- }
|
|
|
- srclen = 0;
|
|
|
- if ((period_ptr = strrchr(fname, '.')) != NULL) {
|
|
|
- for(lop = 0; lop < 4; lop++) {
|
|
|
- if (strcmpi(period_ptr, ".gnd\0.gat\0.act\0.str"+lop*5) == 0)
|
|
|
- break;
|
|
|
- }
|
|
|
- srclen = getlong(grf_filelist+ofs2) - getlong(grf_filelist+ofs2+8) - 715;
|
|
|
- if(lop == 4) {
|
|
|
- for(lop = 10, srccount = 1; srclen >= lop; lop = lop * 10, srccount++);
|
|
|
- } else {
|
|
|
- srccount = 0;
|
|
|
- }
|
|
|
- } else {
|
|
|
- srccount = 0;
|
|
|
- }
|
|
|
-
|
|
|
- aentry.srclen = srclen;
|
|
|
- aentry.srclen_aligned = getlong(grf_filelist+ofs2+4)-37579;
|
|
|
- aentry.declen = getlong(grf_filelist+ofs2+8);
|
|
|
- aentry.srcpos = getlong(grf_filelist+ofs2+13)+0x2e;
|
|
|
- aentry.cycle = srccount;
|
|
|
- aentry.type = type;
|
|
|
- strncpy(aentry.fn, fname,sizeof(aentry.fn)-1);
|
|
|
- aentry.fnd = NULL;
|
|
|
-#ifdef GRFIO_LOCAL
|
|
|
- aentry.gentry = -(gentry+1); // As Flag for making it a negative number carrying out the first time LocalFileCheck
|
|
|
-#else
|
|
|
- aentry.gentry = gentry+1; // With no first time LocalFileCheck
|
|
|
-#endif
|
|
|
- filelist_modify(&aentry);
|
|
|
- }
|
|
|
- ofs = ofs2 + 17;
|
|
|
- }
|
|
|
- aFree(grf_filelist);
|
|
|
-
|
|
|
- } else if (grf_version == 0x02) { //****** Grf version 02xx ******
|
|
|
- unsigned char eheader[8];
|
|
|
- unsigned char *rBuf;
|
|
|
- uLongf rSize, eSize;
|
|
|
-
|
|
|
- fread(eheader,1,8,fp);
|
|
|
- rSize = getlong(eheader); // Read Size
|
|
|
- eSize = getlong(eheader+4); // Extend Size
|
|
|
-
|
|
|
- if ((long)rSize > grf_size-ftell(fp)) { // Warning fix [Lance]
|
|
|
- fclose(fp);
|
|
|
- ShowError("Illegal data format : grf compress entry size\n");
|
|
|
- return 4;
|
|
|
- }
|
|
|
-
|
|
|
- rBuf = (unsigned char *)aMallocA(rSize); // Get a Read Size
|
|
|
- /*if (rBuf==NULL) {
|
|
|
- fclose(fp);
|
|
|
- ShowError("out of memory : grf compress entry table buffer\n");
|
|
|
- return 3;
|
|
|
- }*/
|
|
|
- grf_filelist = (unsigned char *)aMallocA(eSize); // Get a Extend Size
|
|
|
- /*if (grf_filelist==NULL) {
|
|
|
- aFree(rBuf);
|
|
|
- fclose(fp);
|
|
|
- ShowError("out of memory : grf extract entry table buffer\n");
|
|
|
- return 3;
|
|
|
- }*/
|
|
|
- fread(rBuf,1,rSize,fp);
|
|
|
- fclose(fp);
|
|
|
- decode_zip(grf_filelist, &eSize, rBuf, rSize); // Decode function
|
|
|
- list_size = eSize;
|
|
|
- aFree(rBuf);
|
|
|
-
|
|
|
- entrys = getlong(grf_header+0x26) - 7;
|
|
|
-
|
|
|
- // Get an entry
|
|
|
- for(entry = 0, ofs = 0; entry < entrys; entry++){
|
|
|
- int ofs2, srclen, srccount, type;
|
|
|
- FILELIST aentry;
|
|
|
-
|
|
|
- fname = (char*)(grf_filelist+ofs);
|
|
|
- if (strlen(fname) > sizeof(aentry.fn)-1) {
|
|
|
- ShowFatalError("GRF file name %s is too long\n", fname);
|
|
|
- aFree(grf_filelist);
|
|
|
- exit(1);
|
|
|
- }
|
|
|
- //ofs2 = ofs+strlen((char*)(grf_filelist+ofs))+1;
|
|
|
- ofs2 = ofs + strlen(fname)+1;
|
|
|
- type = grf_filelist[ofs2+12];
|
|
|
- if (type == 1 || type == 3 || type == 5) {
|
|
|
- srclen = getlong(grf_filelist+ofs2);
|
|
|
- if (grf_filelist[ofs2+12] == 3) {
|
|
|
- for (lop = 10, srccount = 1; srclen >= lop; lop = lop * 10, srccount++);
|
|
|
- } else if (grf_filelist[ofs2+12] == 5) {
|
|
|
- srccount = 0;
|
|
|
- } else { // if (grf_filelist[ofs2+12]==1) {
|
|
|
- srccount = -1;
|
|
|
- }
|
|
|
-
|
|
|
- aentry.srclen = srclen;
|
|
|
- aentry.srclen_aligned = getlong(grf_filelist+ofs2+4);
|
|
|
- aentry.declen = getlong(grf_filelist+ofs2+8);
|
|
|
- aentry.srcpos = getlong(grf_filelist+ofs2+13)+0x2e;
|
|
|
- aentry.cycle = srccount;
|
|
|
- aentry.type = type;
|
|
|
- strncpy(aentry.fn,fname,sizeof(aentry.fn)-1);
|
|
|
- aentry.fnd = NULL;
|
|
|
-#ifdef GRFIO_LOCAL
|
|
|
- aentry.gentry = -(gentry+1); // As Flag for making it a negative number carrying out the first time LocalFileCheck
|
|
|
-#else
|
|
|
- aentry.gentry = gentry+1; // With no first time LocalFileCheck
|
|
|
-#endif
|
|
|
- filelist_modify(&aentry);
|
|
|
- }
|
|
|
- ofs = ofs2 + 17;
|
|
|
- }
|
|
|
- aFree(grf_filelist);
|
|
|
-
|
|
|
- } else { //****** Grf Other version ******
|
|
|
- fclose(fp);
|
|
|
- ShowError("GRF version %04x not supported\n",getlong(grf_header+0x2a));
|
|
|
- return 4;
|
|
|
- }
|
|
|
-
|
|
|
- filelist_adjust(); // Unnecessary area release of filelist
|
|
|
-
|
|
|
- return 0; // 0:no error
|
|
|
-}
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * Grfio : Resource file check
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-static void grfio_resourcecheck(void)
|
|
|
-{
|
|
|
- char w1[256], w2[256], src[256], dst[256], restable[256], line[256];
|
|
|
- char *ptr, *buf;
|
|
|
- FILELIST *entry;
|
|
|
- int size, i = 0;
|
|
|
- FILE *fp;
|
|
|
-
|
|
|
- // read resnametable from data directory and return if successful
|
|
|
- sprintf(restable, "%sdata\\resnametable.txt", data_dir);
|
|
|
- for (ptr = &restable[0]; *ptr != 0; ptr++)
|
|
|
- if (*ptr == '\\') *ptr = '/';
|
|
|
-
|
|
|
- fp = fopen(restable,"rb");
|
|
|
- if (fp) {
|
|
|
- while (fgets(line, sizeof(line) - 1, fp)) {
|
|
|
- if (sscanf(line, "%[^#]#%[^#]#", w1, w2) == 2 &&
|
|
|
- // we only need the map names and text files
|
|
|
- (strstr(w2, ".gat") || strstr(w2, ".txt")))
|
|
|
- {
|
|
|
- sprintf(src, "data\\%s", w1);
|
|
|
- sprintf(dst, "data\\%s", w2);
|
|
|
- entry = filelist_find(dst);
|
|
|
- // create new entries reusing the original's info
|
|
|
- if (entry != NULL) {
|
|
|
- FILELIST fentry;
|
|
|
- memcpy(&fentry, entry, sizeof(FILELIST));
|
|
|
- strncpy(fentry.fn, src, sizeof(fentry.fn) - 1);
|
|
|
- fentry.fnd = grfio_alloc_ptr(dst);
|
|
|
- filelist_modify(&fentry);
|
|
|
- i++;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- fclose(fp);
|
|
|
- ShowStatus("Done reading '"CL_WHITE"%d"CL_RESET"' entries in '"CL_WHITE"%s"CL_RESET"'.\n", i, "resnametable.txt");
|
|
|
- return; // we're done here!
|
|
|
- }
|
|
|
-
|
|
|
- // read resnametable from loaded GRF's, only if it cannot be
|
|
|
- // loaded from the data directory
|
|
|
- buf = (char *)grfio_reads("data\\resnametable.txt", &size);
|
|
|
- if (buf) {
|
|
|
- buf[size] = 0;
|
|
|
- ptr = buf;
|
|
|
-
|
|
|
- while (ptr - buf < size) {
|
|
|
- if (sscanf(ptr, "%[^#]#%[^#]#", w1, w2) == 2 &&
|
|
|
- (strstr(w2, ".gat") || strstr(w2, ".txt")))
|
|
|
- {
|
|
|
- sprintf(src, "data\\%s", w1);
|
|
|
- sprintf(dst, "data\\%s", w2);
|
|
|
- entry = filelist_find(dst);
|
|
|
- if (entry != NULL) {
|
|
|
- FILELIST fentry;
|
|
|
- memcpy(&fentry, entry, sizeof(FILELIST));
|
|
|
- strncpy(fentry.fn, src, sizeof(fentry.fn) - 1);
|
|
|
- fentry.fnd = grfio_alloc_ptr(dst);
|
|
|
- filelist_modify(&fentry);
|
|
|
- i++;
|
|
|
- }
|
|
|
- }
|
|
|
- ptr = strchr(ptr,'\n'); // Next line
|
|
|
- if (!ptr) break;
|
|
|
- ptr++;
|
|
|
- }
|
|
|
- aFree(buf);
|
|
|
- ShowStatus("Done reading '"CL_WHITE"%d"CL_RESET"' entries in '"CL_WHITE"%s"CL_RESET"'.\n", i, "data\\resnametable.txt");
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- //ShowWarning("GRF: No resnametable found! Panic?\n");
|
|
|
-}
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * Grfio : Resource add
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-#define GENTRY_ADDS 4 // The number increment of gentry_table entries
|
|
|
-
|
|
|
-static int grfio_add(char *fname)
|
|
|
-{
|
|
|
- grfio_alloc_ptr(fname);
|
|
|
-
|
|
|
- return grfio_entryread(fname, gentry_entrys - 1);
|
|
|
-}
|
|
|
-
|
|
|
-char *grfio_alloc_ptr(char *fname)
|
|
|
-{
|
|
|
- int len;
|
|
|
- char *buf;
|
|
|
-
|
|
|
- if (gentry_entrys >= GENTRY_LIMIT) {
|
|
|
- ShowFatalError("gentrys limit : grfio_add\n");
|
|
|
- exit(1);
|
|
|
- }
|
|
|
-
|
|
|
- if (gentry_entrys >= gentry_maxentry) {
|
|
|
- gentry_maxentry += GENTRY_ADDS;
|
|
|
- gentry_table = (char**)aRealloc(gentry_table, gentry_maxentry * sizeof(char*));
|
|
|
- memset(gentry_table + (gentry_maxentry - GENTRY_ADDS), 0, sizeof(char*) * GENTRY_ADDS);
|
|
|
- }
|
|
|
- len = strlen( fname );
|
|
|
- buf = (char*)aMallocA(len + 1);
|
|
|
- strcpy(buf, fname);
|
|
|
- gentry_table[gentry_entrys++] = buf;
|
|
|
-
|
|
|
- return buf;
|
|
|
-}
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * Grfio : Finalize
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-void grfio_final(void)
|
|
|
-{
|
|
|
- if (filelist != NULL)
|
|
|
- aFree(filelist);
|
|
|
-
|
|
|
- filelist_entrys = filelist_maxentry = 0;
|
|
|
-
|
|
|
- if (gentry_table != NULL) {
|
|
|
- int lop;
|
|
|
- for (lop = 0; lop < gentry_entrys; lop++) {
|
|
|
- if (gentry_table[lop] != NULL)
|
|
|
- aFree(gentry_table[lop]);
|
|
|
- }
|
|
|
- aFree(gentry_table);
|
|
|
- }
|
|
|
- gentry_table = NULL;
|
|
|
- gentry_entrys = gentry_maxentry = 0;
|
|
|
-}
|
|
|
-
|
|
|
-/*==========================================
|
|
|
- * Grfio : Initialize
|
|
|
- *------------------------------------------
|
|
|
- */
|
|
|
-void grfio_init(char *fname)
|
|
|
-{
|
|
|
- FILE *data_conf;
|
|
|
- char line[1024], w1[1024], w2[1024];
|
|
|
- int result = 0;
|
|
|
-
|
|
|
- hashinit(); // hash table initialization
|
|
|
-
|
|
|
- data_conf = fopen(fname, "r");
|
|
|
- // It will read, if there is grf-files.txt.
|
|
|
- if (data_conf) {
|
|
|
- while(fgets(line, sizeof(line) - 1, data_conf)) {
|
|
|
- if (line[0] == '/' && line[1] == '/')
|
|
|
- continue;
|
|
|
- if (sscanf(line, "%[^:]: %[^\r\n]", w1, w2) != 2)
|
|
|
- continue;
|
|
|
- // Entry table reading
|
|
|
- if(strcmp(w1, "grf") == 0 ||
|
|
|
- strcmp(w1, "data") == 0 || // Primary data file
|
|
|
- strcmp(w1, "sdata") == 0 || // Sakray data file
|
|
|
- strcmp(w1, "adata") == 0) // Alpha version data file
|
|
|
- // increment if successfully loaded
|
|
|
- result += (grfio_add(w2) == 0);
|
|
|
- else if(strcmp(w1,"data_dir") == 0) // Data directory
|
|
|
- strcpy(data_dir, w2);
|
|
|
- }
|
|
|
-
|
|
|
- fclose(data_conf);
|
|
|
- ShowStatus("Done reading '"CL_WHITE"%s"CL_RESET"'.\n", fname);
|
|
|
- } // end of reading grf-files.txt
|
|
|
-
|
|
|
- if (result == 0) {
|
|
|
- ShowInfo("No grf's loaded.. using default data directory\n");
|
|
|
- //exit(1); // It ends, if a resource cannot read one.
|
|
|
- }
|
|
|
-
|
|
|
- // Unnecessary area release of filelist
|
|
|
- filelist_adjust();
|
|
|
- // Resource check
|
|
|
- grfio_resourcecheck();
|
|
|
-
|
|
|
- return;
|
|
|
-}
|
DracoRPG