diff options
Diffstat (limited to 'src/common/grfio.c')
| -rw-r--r-- | src/common/grfio.c | 1070 |
1 files changed, 0 insertions, 1070 deletions
diff --git a/src/common/grfio.c b/src/common/grfio.c deleted file mode 100644 index 1a3829bf7..000000000 --- a/src/common/grfio.c +++ /dev/null @@ -1,1070 +0,0 @@ -/********************************************************************* - * - * 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 - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <sys/stat.h> - -#include "grfio.h" -#include "../common/utils.h" -#include "../common/mmo.h" -#include "../common/showmsg.h" -#include "../common/malloc.h" - -#ifdef _WIN32 - #ifdef LOCALZLIB - #include "zlib.h" - #define zlib_inflateInit inflateInit - #define zlib_inflate inflate - #define zlib_inflateEnd inflateEnd - #define zlib_deflateInit deflateInit - #define zlib_deflate deflate - #define zlib_deflateEnd deflateEnd - #else - #include "../lib/zlib_win32.h" - #include "../common/dll.h" - DLL zlib_dll; - #define zlib_inflateInit(strm) zlib_inflateInit_((strm),ZLIB_VERSION, sizeof(z_stream)) - #define zlib_deflateInit(strm, level) zlib_deflateInit_((strm),(level),ZLIB_VERSION,sizeof(z_stream)) - - int (WINAPI* zlib_inflateInit_) (z_streamp strm, const char *version, int stream_size); - int (WINAPI* zlib_inflate) (z_streamp strm, int flush); - int (WINAPI* zlib_inflateEnd) (z_streamp strm); - - int (WINAPI* zlib_deflateInit_) (z_streamp strm, int level, const char *version, int stream_size); - int (WINAPI* zlib_deflate) (z_streamp strm, int flush); - int (WINAPI* zlib_deflateEnd) (z_streamp strm); - #endif -#else - #ifdef LOCALZLIB - #include "zlib/zlib.h" - #else - #include <zlib.h> - #endif - - #define zlib_inflateInit inflateInit - #define zlib_inflate inflate - #define zlib_inflateEnd inflateEnd - #define zlib_deflateInit deflateInit - #define zlib_deflate deflate - #define zlib_deflateEnd deflateEnd -#endif - -#ifdef MEMWATCH -#include "memwatch.h" -#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] = ""; // "../"; - -// accessor to data_file,adata_file,sdata_file -char *grfio_setdatafile(const char *str){ strcpy(data_file,str); return data_file; } -char *grfio_setadatafile(const char *str){ strcpy(adata_file,str); return adata_file; } -char *grfio_setsdatafile(const char *str){ strcpy(sdata_file,str); return sdata_file; } - -//---------------------------- -// file entry table struct -//---------------------------- -typedef struct { - int srclen; // compressed size - int srclen_aligned; // - int declen; // original size - int srcpos; - short next; - char cycle; - char type; - char fn[128-4*5]; // file name - 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 127 -#define FILELIST_LIMIT 65536 // temporary maximum, and a theory top maximum are 2G. - -static FILELIST *filelist; -static int filelist_entrys; -static int filelist_maxentry; - -static char **gentry_table; -static int gentry_entrys; -static int gentry_maxentry; - -//---------------------------- -// 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; - int err; - - 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 = zlib_inflateInit(&stream); - if (err != Z_OK) return err; - - err = zlib_inflate(&stream, Z_FINISH); - if (err != Z_STREAM_END) { - zlib_inflateEnd(&stream); - return err == Z_OK ? Z_BUF_ERROR : err; - } - *destLen = stream.total_out; - - err = zlib_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; - - 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 = zlib_deflateInit(&stream,Z_DEFAULT_COMPRESSION); - if (err != Z_OK) return err; - - err = zlib_deflate(&stream, Z_FINISH); - if (err != Z_STREAM_END) { - zlib_inflateEnd(&stream); - return err == Z_OK ? Z_BUF_ERROR : err; - } - *destLen = stream.total_out; - - err = zlib_deflateEnd(&stream); - return err; -} - -/*********************************************************** - *** File List Sobroutines *** - ***********************************************************/ - -/*========================================== - * 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 - *------------------------------------------ - */ -FILELIST *filelist_find(char *fname) -{ - int hash; - - 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; -} - -/*========================================== - * 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("filelist limit : filelist_add\n"); - exit(1); - } - - if (filelist_entrys>=filelist_maxentry) { - FILELIST *new_filelist = (FILELIST*)aRealloc( - (void*)filelist, (filelist_maxentry+FILELIST_ADDS)*sizeof(FILELIST) ); - if (new_filelist != NULL) { - filelist = new_filelist; - memset(filelist + filelist_maxentry, '\0', - FILELIST_ADDS * sizeof(FILELIST)); - filelist_maxentry += FILELIST_ADDS; - } else { - printf("out of memory : filelist_add\n"); - exit(1); - } - } - - 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 *new_filelist = (FILELIST*)aRealloc( - (void*)filelist,filelist_entrys*sizeof(FILELIST) ); - if (new_filelist != NULL) { - filelist = new_filelist; - filelist_maxentry = filelist_entrys; - } else { - printf("out of memory : filelist\n"); - exit(1); - } - } - } -} - -/*********************************************************** - *** Grfio Sobroutines *** - ***********************************************************/ -/*========================================== - * Grfio : Resnametable replace - *------------------------------------------ - */ -char* grfio_resnametable(char* fname, char *lfname) -{ - FILE *fp; - char *p; - char w1[256],w2[256],restable[256],line[512]; - - sprintf(restable,"%sdata\\resnametable.txt",data_dir); - - for(p=&restable[0];*p!=0;p++) if (*p=='\\') *p = '/'; - - fp = fopen(restable,"rb"); - if(fp==NULL) { - printf("%s not found (grfio_resnametable)\n",restable); - return NULL; // 1:not found error - } - - while(fgets(line,508,fp)){ - if((sscanf(line,"%[^#]#%[^#]#",w1,w2)==2) && (sscanf(fname,"%*5s%s",lfname)==1) && (!strcmpi(w1,lfname))){ - sprintf(lfname,"data\\%s",w2); - fclose(fp); - return lfname; - } - } - fclose(fp); - return fname; - -} - -/*========================================== - * 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],*rname,*p; - FILELIST lentry; - struct stat st; - - if(strcmp(data_dir, "") != 0 && (rname=grfio_resnametable(fname,lfname))!=NULL) { - //printf("%s\t",fname); - //sprintf(rname,"%s",grfio_resnametable(fname,lfname)); - //printf("%s\n",rname); - sprintf(lfname,"%s%s",data_dir,rname); - //printf("%s\n",lfname); - } - - 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.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 = NULL; - unsigned char *buf=NULL,*buf2=NULL; - char *gfname; - FILELIST *entry; - - entry = filelist_find(fname); - - if (entry==NULL || entry->gentry<=0) { // LocalFileCheck - char lfname[256],*rname,*p; - FILELIST lentry; - - strncpy(lfname,fname,255); - // i hope this is the correct way =p [celest] - if ((rname=grfio_resnametable(fname,lfname))!=NULL) { - char tbuf[255]; - //sprintf(rname,"%s",grfio_resnametable(fname,lfname)); - sprintf(tbuf,"%s%s",data_dir,rname); - strcpy(lfname, tbuf); - //printf("%s\n",lfname); - } - - 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 *)aCallocA(lentry.declen+1024, 1); - if (buf2==NULL) { - printf("file read memory allocate error : declen\n"); - goto errret; - } - fread(buf2,1,lentry.declen,in); - fclose(in); in = NULL; - strncpy( lentry.fn, fname, sizeof(lentry.fn)-1 ); - 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)\n", fname); - //goto errret; - aFree(buf2); - return NULL; - } - } - } - if (entry!=NULL && entry->gentry>0) { // Archive[GRF] File Read - buf = (unsigned char *) aCallocA(entry->srclen_aligned+1024, 1); - if (buf==NULL) { - printf("file read memory allocate error : srclen_aligned\n"); - goto errret; - } - gfname = gentry_table[entry->gentry-1]; - in = fopen(gfname,"rb"); - if(in==NULL) { - printf("%s not found (grfio_reads)\n",gfname); - //goto errret; - aFree(buf); - return NULL; - } - fseek(in,entry->srcpos,0); - fread(buf,1,entry->srclen_aligned,in); - fclose(in); - buf2 = (unsigned char *)aCallocA(entry->declen+1024, 1); - if (buf2==NULL) { - printf("file decode memory allocate error\n"); - goto errret; - } - 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) { - printf("decode_zip size miss match err: %d != %d\n",(int)len,entry->declen); - goto errret; - } - } else { - memcpy(buf2,buf,entry->declen); - } - aFree(buf); - } - if (size!=NULL && entry!=NULL) - *size = entry->declen; - return buf2; -errret: - if (buf!=NULL) aFree(buf); - if (buf2!=NULL) aFree(buf2); - if (in!=NULL) fclose(in); - return NULL; -} - -/*========================================== - * Grfio : Resource file read - *------------------------------------------ - */ -void* grfio_read(char *fname) -{ - return grfio_reads(fname,NULL); -} - -/*========================================== - * 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; - int 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) { - sprintf(tmp_output,"GRF Data File not found: '"CL_WHITE"%s"CL_RESET"'.\n",gfname); - ShowWarning(tmp_output); - 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); - printf("%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 *) aCallocA(list_size, 1); - if(grf_filelist==NULL){ - fclose(fp); - printf("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){ - printf("file name too long : %s\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); -#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 (rSize > grf_size-ftell(fp)) { - fclose(fp); - printf("Illegal data format : grf compress entry size\n"); - return 4; - } - - rBuf = (unsigned char *)aCallocA( rSize , 1); // Get a Read Size - if (rBuf==NULL) { - fclose(fp); - printf("out of memory : grf compress entry table buffer\n"); - return 3; - } - grf_filelist = (unsigned char *)aCallocA( eSize , 1); // Get a Extend Size - if (grf_filelist==NULL) { - aFree(rBuf); - fclose(fp); - printf("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) { - printf("grf : file name too long : %s\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); -#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); - printf("not support grf versions : %04x\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() -{ - int size; - char *buf,*ptr; - char w1[256],w2[256],src[256],dst[256]; - FILELIST *entry; - - buf = (char*)grfio_reads("data\\resnametable.txt",&size); - buf[size] = 0; - - for(ptr=buf;ptr-buf<size;) { - if(sscanf(ptr,"%[^#]#%[^#]#",w1,w2)==2){ - if(strstr(w2,"bmp")){ - sprintf(src,"data\\texture\\%s",w1); - sprintf(dst,"data\\texture\\%s",w2); - } else { - 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 ); - filelist_modify(&fentry); - } else { - //printf("file not found in data.grf : %s < %s\n",dst,src); - } - } - ptr = strchr(ptr,'\n'); // Next line - if (!ptr) break; - ptr++; - } - aFree(buf); - filelist_adjust(); // Unnecessary area release of filelist -} - -/*========================================== - * Grfio : Resource add - *------------------------------------------ - */ -#define GENTRY_ADDS 16 // The number increment of gentry_table entries - -int grfio_add(char *fname) -{ - int len,result; - char *buf; - - if (gentry_entrys>=GENTRY_LIMIT) { - printf("gentrys limit : grfio_add\n"); - exit(1); - } - -// sprintf(tmp_output,"Reading GRF File: '%s'.\n",fname); -// ShowStatus(tmp_output); - - if (gentry_entrys>=gentry_maxentry) { - char **new_gentry = (char**)aRealloc( - (void*)gentry_table,(gentry_maxentry+GENTRY_ADDS)*sizeof(char*) ); - if (new_gentry!=NULL) { - int lop; - gentry_table = new_gentry; - gentry_maxentry += GENTRY_ADDS; - for(lop=gentry_entrys;lop<gentry_maxentry;lop++) - gentry_table[lop] = NULL; - } else { - printf("out of memory : grfio_add\n"); - exit(1); - } - } - len = strlen( fname ); - buf = (char*)aCallocA(len+1, 1); - if (buf==NULL) { - printf("out of memory : gentry\n"); - exit(1); - } - strcpy( buf, fname ); - gentry_table[gentry_entrys++] = buf; - - result = grfio_entryread(fname,gentry_entrys-1); - - if (result==0) { - // Resource check - grfio_resourcecheck(); - } - - return result; -} - -/*========================================== - * Grfio : Finalize - *------------------------------------------ - */ -void grfio_final(void) -{ - int lop; - - if (filelist!=NULL) aFree(filelist); - filelist = NULL; - filelist_entrys = filelist_maxentry = 0; - - if (gentry_table!=NULL) { - 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; - -#ifdef _WIN32 - #ifndef LOCALZLIB - DLL_CLOSE(zlib_dll); - zlib_inflateInit_ = NULL; - zlib_inflate = NULL; - zlib_inflateEnd = NULL; - #endif -#endif - -} - -/*========================================== - * Grfio : Initialize - *------------------------------------------ - */ -void grfio_init(char *fname) -{ - FILE *data_conf; - char line[1024], w1[1024], w2[1024]; - int result = 0, result2 = 0, result3 = 0, result4 = 0; - -#ifdef _WIN32 - #ifndef LOCALZLIB - if(!zlib_dll) { - zlib_dll = DLL_OPEN ("zlib.dll"); - DLL_SYM (zlib_inflateInit_, zlib_dll, "inflateInit_"); - DLL_SYM (zlib_inflate, zlib_dll, "inflate"); - DLL_SYM (zlib_inflateEnd, zlib_dll, "inflateEnd"); - DLL_SYM (zlib_deflateInit_, zlib_dll, "deflateInit_"); - DLL_SYM (zlib_deflate, zlib_dll, "deflate"); - DLL_SYM (zlib_deflateEnd, zlib_dll, "deflateEnd"); - if(zlib_dll == NULL) { - MessageBox(NULL,"Can't load zlib.dll","grfio.c",MB_OK); - exit(1); - } - } - #endif -#endif - - data_conf = fopen(fname, "r"); - - // It will read, if there is grf-files.txt. - if (data_conf) { - while(fgets(line, 1020, data_conf)) { - if (sscanf(line, "%[^:]: %[^\r\n]", w1, w2) == 2) { - if(strcmp(w1, "data") == 0) - strcpy(data_file, w2); - else if(strcmp(w1, "sdata") == 0) - strcpy(sdata_file, w2); - else if(strcmp(w1, "adata") == 0) - strcpy(adata_file, w2); - else if(strcmp(w1,"data_dir") == 0) - strcpy(data_dir, w2); - } - } - - fclose(data_conf); - sprintf(tmp_output,"Done reading '"CL_WHITE"%s"CL_RESET"'.\n",fname); - ShowStatus(tmp_output); - } // end of reading grf-files.txt - - hashinit(); // hash table initialization - - filelist = NULL; filelist_entrys = filelist_maxentry = 0; - gentry_table = NULL; gentry_entrys = gentry_maxentry = 0; - atexit(grfio_final); // End processing definition - - // Entry table reading - - if (strcmp(data_file, "") != 0) // If data directive exists in grf-files.txt (i.e. data_file is not equal to "") - result = grfio_add(data_file); // Primary data file - - if (strcmp(sdata_file, "") != 0) // If sdata directive exists in grf-files.txt (i.e. sdata_file is not equal to "") - result2 = grfio_add(sdata_file); // Sakray data file - - if (strcmp(adata_file, "") != 0) // If data directive exists in grf-files.txt (i.e. adata_file is not equal to "") - result3 = grfio_add(adata_file); // Alpha version data file - - if (strcmp(data_dir, "") == 0) // Id data_dir doesn't exist - result4 = 1; // Data directory -/* - if (result != 0 && result2 != 0 && result3 != 0 && result4 != 0) { - printf("not grf file readed exit!!\n"); - exit(1); // It ends, if a resource cannot read one. - }*/ -} |