// 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 #include #include #include #include #include #include "grfio.h" #include "../zlib/unzip.h" #define CHUNK 16384 #ifdef __WIN32 #include "../zlib/zlib.h" #include "../zlib/iowin32.h" #else #ifndef __FREEBSD__ #include #endif #endif typedef unsigned char BYTE; typedef unsigned short WORD; typedef unsigned long DWORD; static char data_dir[1024] = ""; // "../"; //---------------------------- // file entry table struct //---------------------------- typedef struct _FILELIST { int srclen; // compressed size int srclen_aligned; // int declen; // original size int srcpos; int 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[0] | p[1] << 0x08 | p[2] << 0x10 | p[3] << 0x18; // Shinomori } /*========================================== * Grf data decode : Subs *------------------------------------------ */ static void NibbleSwap(BYTE *Src, int len) { for(;0>4) | (*Src<<4); } } static void BitConvert(BYTE *Src,char *BitSwapTable) { int lop,prm; BYTE tmp[8]; 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]; } } 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]; } } 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 64K on 16-bit machine: */ if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; stream.next_out = (Bytef*) dest; stream.avail_out = (uInt)*destLen; if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; stream.zalloc = (alloc_func)0; stream.zfree = (free_func)0; err = inflateInit(&stream); if (err != Z_OK) return err; err = inflate(&stream, Z_FINISH); if (err != Z_STREAM_END) { inflateEnd(&stream); return err == Z_OK ? Z_BUF_ERROR : err; } *destLen = stream.total_out; err = inflateEnd(&stream); return err; } int encode_zip(unsigned char *dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen) { z_stream stream; int err; memset(&stream, 0, sizeof(stream)); stream.next_in = (Bytef*)source; stream.avail_in = (uInt)sourceLen; /* Check for source > 64K on 16-bit machine: */ if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; stream.next_out = (Bytef*) dest; stream.avail_out = (uInt)*destLen; if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; stream.zalloc = (alloc_func)0; stream.zfree = (free_func)0; err = deflateInit(&stream,Z_DEFAULT_COMPRESSION); if (err != Z_OK) return err; err = deflate(&stream, Z_FINISH); if (err != Z_STREAM_END) { inflateEnd(&stream); return err == Z_OK ? Z_BUF_ERROR : err; } *destLen = stream.total_out; err = deflateEnd(&stream); return err; } /* =================================== * Unzips a file. 1: success, 0: error * Adapted from miniunz.c [Celest] * Version 1.01b, May 30th, 2004 * Copyright (C) 1998-2004 Gilles Vollant * ------------------------------------- */ int deflate_file (const char *source, const char *filename) { #ifdef _WIN32 zlib_filefunc_def ffunc; #endif unzFile uf = NULL; int err = UNZ_OK; uInt size_buf = 8192; FILE *fout = NULL; void *buf; #ifdef _WIN32 fill_win32_filefunc(&ffunc); uf = unzOpen2(source, &ffunc); #else uf = unzOpen(source); #endif if (uf == NULL) return 0; if (unzLocateFile(uf, filename, 0) != UNZ_OK) return 0; err = unzOpenCurrentFilePassword(uf, NULL); fout = fopen(filename,"wb"); if (fout == NULL) return 0; buf = (void *)malloc(size_buf); do { err = unzReadCurrentFile(uf, buf, size_buf); if (err < 0) break; if (err > 0 && fwrite(buf, err, 1, fout)!=1) { err = UNZ_ERRNO; break; } } while (err > 0); if (fout) fclose(fout); if (err == UNZ_OK) { err = unzCloseCurrentFile (uf); free(buf); return (err == UNZ_OK); } unzCloseCurrentFile(uf); /* don't lose the error */ 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) { printf("GRF filelist limit reached!\n"); exit(1); } if (filelist_entrys >= filelist_maxentry) { filelist = (FILELIST *)realloc(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 *)realloc( 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) { printf("%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 *)malloc(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 { printf("%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 *)malloc(entry->srclen_aligned + 1024); fseek(in, entry->srcpos, 0); fread(buf, 1, entry->srclen_aligned, in); fclose(in); buf2 = (unsigned char *)malloc(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 != (uLong)entry->declen) { printf("decode_zip size mismatch err: %d != %d\n", (int)len, entry->declen); free(buf); free(buf2); return NULL; } } else { memcpy(buf2, buf, entry->declen); } free(buf); } else { printf("%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> 8; if (grf_version == 0x01) { //****** Grf version 01xx ****** list_size = grf_size - ftell(fp); grf_filelist = (unsigned char *) malloc(list_size); 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; unsigned char 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) { printf("GRF file name %s is too long\n", fname); free(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; } free(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); printf("Illegal data format: GRF compress entry size\n"); return 4; } rBuf = (unsigned char *)malloc(rSize); // Get a Read Size grf_filelist = (unsigned char *)malloc(eSize); // Get a Extend Size fread(rBuf,1,rSize,fp); fclose(fp); decode_zip(grf_filelist, &eSize, rBuf, rSize); // Decode function list_size = eSize; free(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) { printf("GRF file name %s is too long\n", fname); free(grf_filelist); exit(1); } //ofs2 = ofs+strlen((char*)(grf_filelist+ofs))+1; ofs2 = ofs + (int)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; } free(grf_filelist); } else { //****** Grf Other version ****** fclose(fp); printf("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 maps' GAT and RSW files (strstr(w2, ".gat") || strstr(w2, ".rsw"))) { 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); 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, ".rsw"))) { 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++; } free(buf); return; } } /*========================================== * 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) { size_t len; char *buf; if (gentry_entrys >= GENTRY_LIMIT) { printf("GRF file entry limit reached!\n"); exit(1); } if (gentry_entrys >= gentry_maxentry) { gentry_maxentry += GENTRY_ADDS; gentry_table = (char**)realloc(gentry_table, gentry_maxentry * sizeof(char*)); memset(gentry_table + (gentry_maxentry - GENTRY_ADDS), 0, sizeof(char*) * GENTRY_ADDS); } len = strlen( fname ); buf = (char*)malloc(len + 1); strcpy(buf, fname); gentry_table[gentry_entrys++] = buf; return buf; } /*========================================== * Grfio : Finalize *------------------------------------------ */ void grfio_final(void) { if (filelist != NULL) free(filelist); filelist_entrys = filelist_maxentry = 0; if (gentry_table != NULL) { int lop; for (lop = 0; lop < gentry_entrys; lop++) { if (gentry_table[lop] != NULL) free(gentry_table[lop]); } free(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 grf_num = 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) // GRF file grf_num += (grfio_add(w2) == 0); else if(strcmp(w1,"data_dir") == 0) // Data directory strcpy(data_dir, w2); } fclose(data_conf); } // end of reading grf-files.txt if (grf_num == 0) { printf("No GRF loaded, using default data directory\n"); } // Unnecessary area release of filelist filelist_adjust(); // Resource check grfio_resourcecheck(); return; }