diff options
Diffstat (limited to 'src/common/grfio.c')
| -rw-r--r-- | src/common/grfio.c | 874 |
1 files changed, 1 insertions, 873 deletions
diff --git a/src/common/grfio.c b/src/common/grfio.c index ba3b55bb3..a2d7f7f5a 100644 --- a/src/common/grfio.c +++ b/src/common/grfio.c @@ -1,28 +1,6 @@ // Copyright (c) Athena Dev Teams - Licensed under GNU GPL // For more information, see LICENCE in the main folder -/********************************************************************* - * - * Ragnarok Online Emulator : grfio.c -- grf file I/O Module - *-------------------------------------------------------------------- - * special need library : zlib - ********************************************************************* - * $Id: grfio.c,v 1.2 2004/09/29 17:31:49 kalaspuff Exp $ - * - * 2002/12/18... the original edition - * 2003/01/23 ... Code correction - * 2003/02/01 ... An addition and decryption processing are improved for LocalFile and two or more GRF(s) check processing. - * 2003/02/02 ... Even if there is no grf it does not stop -- as -- correction - * 2003/02/02... grf reading specification can be added later -- as -- correction (grfio_add function addition) - * 2003/02 / 03... at the time of grfio_resourcecheck processing the entry addition processing method -- correction - * 2003/02/05... change of the processing in grfio_init - * 2003/02/23... a local file check -- GRFIO_LOCAL -- switch (Defoe -- Function Off) - * 2003/10/21 ... The data of alpha client was read. - * 2003/11/10 ... Ready new grf format. - * 2003/11/11 ... version check fix & bug fix - * 2006/04/16 ... fixed crash grfio_find_file when file is not found. - */ - #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -30,13 +8,9 @@ #include <sys/stat.h> #include "grfio.h" -#include "../common/mmo.h" -#include "../common/showmsg.h" -#include "../common/malloc.h" +#include "malloc.h" #include "../zlib/unzip.h" -#define CHUNK 16384 - #ifdef __WIN32 #include "../zlib/zlib.h" #include "../zlib/iowin32.h" @@ -46,225 +20,6 @@ #endif #endif -typedef unsigned char BYTE; -typedef unsigned short WORD; -typedef unsigned long DWORD; - -//static char data_file[1024] = ""; // "data.grf"; -//static char sdata_file[1024] = ""; // "sdata.grf"; -//static char adata_file[1024] = ""; // "adata.grf"; -static char data_dir[1024] = ""; // "../"; - -//---------------------------- -// file entry table struct -//---------------------------- -typedef struct { - int srclen; // compressed size - int srclen_aligned; // - int declen; // original size - int srcpos; - short next; - int cycle; - char type; - char fn[128-4*5]; // file name - char *fnd; - signed char gentry; // read grf file select -} FILELIST; -//gentry ... 0 : It acquires from a local file. -// It acquires from the resource file of 1>=:gentry_table[gentry-1]. -// 1<=: Check a local file. -// If it is, after re-setting to 0, it acquires from a local file. -// 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>=. - -//Since char defines *FILELIST.gentry, the maximum which can be added by grfio_add becomes by 127 pieces. - -#define GENTRY_LIMIT 512 -#define FILELIST_LIMIT 1048576 // temporary maximum, and a theory top maximum are 2G. - -static FILELIST *filelist = NULL; -static int filelist_entrys = 0; -static int filelist_maxentry = 0; - -static char **gentry_table = NULL; -static int gentry_entrys = 0; -static int gentry_maxentry = 0; - -//---------------------------- -// file list hash table -//---------------------------- -static int filelist_hash[256]; - -//---------------------------- -// grf decode data table -//---------------------------- -static unsigned char BitMaskTable[8] = { - 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 -}; - -static char BitSwapTable1[64] = { - 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, - 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, - 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, - 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7 -}; -static char BitSwapTable2[64] = { - 40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31, - 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, - 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, - 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25 -}; -static char BitSwapTable3[32] = { - 16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, - 2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25 -}; - -static unsigned char NibbleData[4][64]={ - { - 0xef, 0x03, 0x41, 0xfd, 0xd8, 0x74, 0x1e, 0x47, 0x26, 0xef, 0xfb, 0x22, 0xb3, 0xd8, 0x84, 0x1e, - 0x39, 0xac, 0xa7, 0x60, 0x62, 0xc1, 0xcd, 0xba, 0x5c, 0x96, 0x90, 0x59, 0x05, 0x3b, 0x7a, 0x85, - 0x40, 0xfd, 0x1e, 0xc8, 0xe7, 0x8a, 0x8b, 0x21, 0xda, 0x43, 0x64, 0x9f, 0x2d, 0x14, 0xb1, 0x72, - 0xf5, 0x5b, 0xc8, 0xb6, 0x9c, 0x37, 0x76, 0xec, 0x39, 0xa0, 0xa3, 0x05, 0x52, 0x6e, 0x0f, 0xd9, - }, { - 0xa7, 0xdd, 0x0d, 0x78, 0x9e, 0x0b, 0xe3, 0x95, 0x60, 0x36, 0x36, 0x4f, 0xf9, 0x60, 0x5a, 0xa3, - 0x11, 0x24, 0xd2, 0x87, 0xc8, 0x52, 0x75, 0xec, 0xbb, 0xc1, 0x4c, 0xba, 0x24, 0xfe, 0x8f, 0x19, - 0xda, 0x13, 0x66, 0xaf, 0x49, 0xd0, 0x90, 0x06, 0x8c, 0x6a, 0xfb, 0x91, 0x37, 0x8d, 0x0d, 0x78, - 0xbf, 0x49, 0x11, 0xf4, 0x23, 0xe5, 0xce, 0x3b, 0x55, 0xbc, 0xa2, 0x57, 0xe8, 0x22, 0x74, 0xce, - }, { - 0x2c, 0xea, 0xc1, 0xbf, 0x4a, 0x24, 0x1f, 0xc2, 0x79, 0x47, 0xa2, 0x7c, 0xb6, 0xd9, 0x68, 0x15, - 0x80, 0x56, 0x5d, 0x01, 0x33, 0xfd, 0xf4, 0xae, 0xde, 0x30, 0x07, 0x9b, 0xe5, 0x83, 0x9b, 0x68, - 0x49, 0xb4, 0x2e, 0x83, 0x1f, 0xc2, 0xb5, 0x7c, 0xa2, 0x19, 0xd8, 0xe5, 0x7c, 0x2f, 0x83, 0xda, - 0xf7, 0x6b, 0x90, 0xfe, 0xc4, 0x01, 0x5a, 0x97, 0x61, 0xa6, 0x3d, 0x40, 0x0b, 0x58, 0xe6, 0x3d, - }, { - 0x4d, 0xd1, 0xb2, 0x0f, 0x28, 0xbd, 0xe4, 0x78, 0xf6, 0x4a, 0x0f, 0x93, 0x8b, 0x17, 0xd1, 0xa4, - 0x3a, 0xec, 0xc9, 0x35, 0x93, 0x56, 0x7e, 0xcb, 0x55, 0x20, 0xa0, 0xfe, 0x6c, 0x89, 0x17, 0x62, - 0x17, 0x62, 0x4b, 0xb1, 0xb4, 0xde, 0xd1, 0x87, 0xc9, 0x14, 0x3c, 0x4a, 0x7e, 0xa8, 0xe2, 0x7d, - 0xa0, 0x9f, 0xf6, 0x5c, 0x6a, 0x09, 0x8d, 0xf0, 0x0f, 0xe3, 0x53, 0x25, 0x95, 0x36, 0x28, 0xcb, - } -}; -/*----------------- - * long data get - */ -static unsigned int getlong(unsigned char *p) -{ -// return *p+p[1]*256+(p[2]+p[3]*256)*65536; - return p[0] - | p[1] << 0x08 - | p[2] << 0x10 - | p[3] << 0x18; // Shinomori -} - -/*========================================== - * Grf data decode : Subs - *------------------------------------------ - */ -static void NibbleSwap(BYTE *Src, int len) -{ - for(;0<len;len--,Src++) { - *Src = (*Src>>4) | (*Src<<4); - } -} - -static void BitConvert(BYTE *Src,char *BitSwapTable) -{ - int lop,prm; - BYTE tmp[8]; -// *(DWORD*)tmp=*(DWORD*)(tmp+4)=0; - memset(tmp,0,8); - for(lop=0;lop!=64;lop++) { - prm = BitSwapTable[lop]-1; - if (Src[(prm >> 3) & 7] & BitMaskTable[prm & 7]) { - tmp[(lop >> 3) & 7] |= BitMaskTable[lop & 7]; - } - } -// *(DWORD*)Src = *(DWORD*)tmp; -// *(DWORD*)(Src+4) = *(DWORD*)(tmp+4); - memcpy(Src,tmp,8); -} - -static void BitConvert4(BYTE *Src) -{ - int lop,prm; - BYTE tmp[8]; - tmp[0] = ((Src[7]<<5) | (Src[4]>>3)) & 0x3f; // ..0 vutsr - tmp[1] = ((Src[4]<<1) | (Src[5]>>7)) & 0x3f; // ..srqpo n - tmp[2] = ((Src[4]<<5) | (Src[5]>>3)) & 0x3f; // ..o nmlkj - tmp[3] = ((Src[5]<<1) | (Src[6]>>7)) & 0x3f; // ..kjihg f - tmp[4] = ((Src[5]<<5) | (Src[6]>>3)) & 0x3f; // ..g fedcb - tmp[5] = ((Src[6]<<1) | (Src[7]>>7)) & 0x3f; // ..cba98 7 - tmp[6] = ((Src[6]<<5) | (Src[7]>>3)) & 0x3f; // ..8 76543 - tmp[7] = ((Src[7]<<1) | (Src[4]>>7)) & 0x3f; // ..43210 v - - for(lop=0;lop!=4;lop++) { - tmp[lop] = (NibbleData[lop][tmp[lop*2]] & 0xf0) - | (NibbleData[lop][tmp[lop*2+1]] & 0x0f); - } - - *(DWORD*)(tmp+4)=0; - for(lop=0;lop!=32;lop++) { - prm = BitSwapTable3[lop]-1; - if (tmp[prm >> 3] & BitMaskTable[prm & 7]) { - tmp[(lop >> 3) + 4] |= BitMaskTable[lop & 7]; - } - } -// *(DWORD*)Src ^= *(DWORD*)(tmp+4); - Src[0] ^= tmp[4]; - Src[1] ^= tmp[5]; - Src[2] ^= tmp[6]; - Src[3] ^= tmp[7]; -} - -static void decode_des_etc(BYTE *buf,int len,int type,int cycle) -{ - int lop,cnt=0; - if(cycle<3) cycle=3; - else if(cycle<5) cycle++; - else if(cycle<7) cycle+=9; - else cycle+=15; - - for(lop=0;lop*8<len;lop++,buf+=8) { - if(lop<20 || (type==0 && lop%cycle==0)){ // des - BitConvert(buf,BitSwapTable1); - BitConvert4(buf); - BitConvert(buf,BitSwapTable2); - } else { - if(cnt==7 && type==0){ - int a; - BYTE tmp[8]; - *(DWORD*)tmp = *(DWORD*)buf; - *(DWORD*)(tmp+4) = *(DWORD*)(buf+4); - cnt=0; - buf[0]=tmp[3]; - buf[1]=tmp[4]; - buf[2]=tmp[6]; - buf[3]=tmp[0]; - buf[4]=tmp[1]; - buf[5]=tmp[2]; - buf[6]=tmp[5]; - a=tmp[7]; - if(a==0x00) a=0x2b; - else if(a==0x2b) a=0x00; - else if(a==0x01) a=0x68; - else if(a==0x68) a=0x01; - else if(a==0x48) a=0x77; - else if(a==0x77) a=0x48; - else if(a==0x60) a=0xff; - else if(a==0xff) a=0x60; - else if(a==0x6c) a=0x80; - else if(a==0x80) a=0x6c; - else if(a==0xb9) a=0xc0; - else if(a==0xc0) a=0xb9; - else if(a==0xeb) a=0xfe; - else if(a==0xfe) a=0xeb; - buf[7]=a; - } - cnt++; - } - } -} -/*========================================== - * Grf data decode sub : zip - *------------------------------------------ - */ int decode_zip(unsigned char *dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen) { z_stream stream; @@ -402,630 +157,3 @@ int deflate_file (const char *source, const char *filename) return 0; } - -unsigned long grfio_crc32 (const unsigned char *buf, unsigned int len) -{ - return crc32(crc32(0L, Z_NULL, 0), buf, len); -} - -/*********************************************************** - *** File List Subroutines *** - ***********************************************************/ - -/*========================================== - * File List : Hash make - *------------------------------------------ - */ -static int filehash(unsigned char *fname) -{ - unsigned int hash=0; - while(*fname) { - hash = ((hash<<1)+(hash>>7)*9+tolower(*fname)); - fname++; - } - return hash & 255; -} - -/*========================================== - * File List : Hash initalize - *------------------------------------------ - */ -static void hashinit(void) -{ - int lop; - for (lop = 0; lop < 256; lop++) - filelist_hash[lop] = -1; -} - -/*========================================== - * File List : File find - *------------------------------------------ - */ -static FILELIST *filelist_find(char *fname) -{ - int hash; - - if (!filelist) - return NULL; - - for (hash = filelist_hash[filehash((unsigned char *) fname)]; hash >= 0; hash = filelist[hash].next) { - if(strcmpi(filelist[hash].fn, fname) == 0) - break; - } - - return (hash >= 0) ? &filelist[hash] : NULL; -} - -char *grfio_find_file(char *fname){ - FILELIST *filelist = filelist_find(fname); - if (!filelist) return NULL; - return (!filelist->fnd?filelist->fn:filelist->fnd); -} - -/*========================================== - * File List : Filelist add - *------------------------------------------ - */ -#define FILELIST_ADDS 1024 // number increment of file lists ` - -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; -} |