mirror of
https://git.do.srb2.org/KartKrew/Kart-Public.git
synced 2024-12-27 04:41:23 +00:00
Merge remote-tracking branch 'Nevur/PK3-BackportNext' into PK3-BackportNext
This commit is contained in:
Alam Ed Arias
commit
4ac481bcc6
2 changed files with 316 additions and 316 deletions
627
src/w_wad.c
627
src/w_wad.c
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@ -313,6 +313,299 @@ static void W_InvalidateLumpnumCache(void)
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memset(lumpnumcache, 0, sizeof (lumpnumcache));
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}
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/** Detect a file type.
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* \todo Actually detect the wad/pkzip headers and whatnot, instead of just checking the extensions.
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*/
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static restype_t ResourceFileDetect (const char* filename)
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{
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if (!stricmp(&filename[strlen(filename) - 4], ".pk3"))
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return RET_PK3;
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if (!stricmp(&filename[strlen(filename) - 4], ".soc"))
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return RET_SOC;
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if (!stricmp(&filename[strlen(filename) - 4], ".lua"))
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return RET_LUA;
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return RET_WAD;
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}
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/** Create a 1-lump lumpinfo_t for standalone files.
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*/
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static lumpinfo_t* ResGetLumpsStandalone (FILE* handle, UINT16* numlumps, const char* lumpname)
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{
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lumpinfo_t* lumpinfo = Z_Calloc(sizeof (*lumpinfo), PU_STATIC, NULL);
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lumpinfo = Z_Calloc(sizeof (*lumpinfo), PU_STATIC, NULL);
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lumpinfo->position = 0;
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fseek(handle, 0, SEEK_END);
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lumpinfo->size = ftell(handle);
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fseek(handle, 0, SEEK_SET);
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strcpy(lumpinfo->name, lumpname);
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// Allocate the lump's full name.
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lumpinfo->name2 = Z_Malloc(9 * sizeof(char), PU_STATIC, NULL);
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strcpy(lumpinfo->name2, lumpname);
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lumpinfo->name2[8] = '\0';
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*numlumps = 1;
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return lumpinfo;
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}
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/** Create a lumpinfo_t array for a WAD file.
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*/
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static lumpinfo_t* ResGetLumpsWad (FILE* handle, UINT16* nlmp, const char* filename)
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{
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UINT16 numlumps = *nlmp;
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lumpinfo_t* lumpinfo;
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size_t i;
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INT32 compressed = 0;
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wadinfo_t header;
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lumpinfo_t *lump_p;
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filelump_t *fileinfo;
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void *fileinfov;
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// read the header
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if (fread(&header, 1, sizeof header, handle) < sizeof header)
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{
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CONS_Alert(CONS_ERROR, M_GetText("Can't read wad header because %s\n"), strerror(ferror(handle)));
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return 0;
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}
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if (memcmp(header.identification, "ZWAD", 4) == 0)
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compressed = 1;
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else if (memcmp(header.identification, "IWAD", 4) != 0
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&& memcmp(header.identification, "PWAD", 4) != 0
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&& memcmp(header.identification, "SDLL", 4) != 0)
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{
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CONS_Alert(CONS_ERROR, M_GetText("Invalid WAD header\n"));
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return 0;
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}
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header.numlumps = LONG(header.numlumps);
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header.infotableofs = LONG(header.infotableofs);
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// read wad file directory
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i = header.numlumps * sizeof (*fileinfo);
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fileinfov = fileinfo = malloc(i);
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if (fseek(handle, header.infotableofs, SEEK_SET) == -1
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|| fread(fileinfo, 1, i, handle) < i)
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{
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CONS_Alert(CONS_ERROR, M_GetText("Corrupt wadfile directory (%s)\n"), strerror(ferror(handle)));
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free(fileinfov);
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return 0;
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}
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numlumps = header.numlumps;
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// fill in lumpinfo for this wad
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lump_p = lumpinfo = Z_Malloc(numlumps * sizeof (*lumpinfo), PU_STATIC, NULL);
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for (i = 0; i < numlumps; i++, lump_p++, fileinfo++)
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{
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lump_p->position = LONG(fileinfo->filepos);
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lump_p->size = lump_p->disksize = LONG(fileinfo->size);
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if (compressed) // wad is compressed, lump might be
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{
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UINT32 realsize = 0;
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if (fseek(handle, lump_p->position, SEEK_SET)
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== -1 || fread(&realsize, 1, sizeof realsize,
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handle) < sizeof realsize)
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{
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I_Error("corrupt compressed file: %s; maybe %s", /// \todo Avoid the bailout?
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filename, strerror(ferror(handle)));
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}
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realsize = LONG(realsize);
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if (realsize != 0)
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{
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lump_p->size = realsize;
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lump_p->compression = CM_LZF;
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}
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else
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{
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lump_p->size -= 4;
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lump_p->compression = CM_NOCOMPRESSION;
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}
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lump_p->position += 4;
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lump_p->disksize -= 4;
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}
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else
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lump_p->compression = CM_NOCOMPRESSION;
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memset(lump_p->name, 0x00, 9);
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strncpy(lump_p->name, fileinfo->name, 8);
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// Allocate the lump's full name.
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lump_p->name2 = Z_Malloc(9 * sizeof(char), PU_STATIC, NULL);
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strncpy(lump_p->name2, fileinfo->name, 8);
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lump_p->name2[8] = '\0';
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}
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free(fileinfov);
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*nlmp = numlumps;
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return lumpinfo;
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}
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/** Optimized pattern search in a file.
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*/
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static boolean ResFindSignature (FILE* handle, char endPat[], UINT32 startpos)
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{
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char *s;
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int c;
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fseek(handle, startpos, SEEK_SET);
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s = endPat;
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while((c = fgetc(handle)) != EOF)
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{
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if (*s != c && s > endPat) // No match?
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s = endPat; // We "reset" the counter by sending the s pointer back to the start of the array.
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if (*s == c)
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{
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s++;
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if (*s == 0x00) // The array pointer has reached the key char which marks the end. It means we have matched the signature.
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{
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return true;
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}
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}
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}
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return false;
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}
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typedef struct zend_s
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{
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char signature[4];
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UINT16 diskpos;
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UINT16 cdirdisk;
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UINT16 diskentries;
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UINT16 entries;
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UINT32 cdirsize;
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UINT32 cdiroffset;
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UINT16 commentlen;
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} ATTRPACK zend_t;
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typedef struct zentry_s
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{
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char signature[4];
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UINT16 version;
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UINT16 versionneeded;
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UINT16 flags;
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UINT16 compression;
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UINT16 modtime;
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UINT16 moddate;
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UINT32 CRC32;
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UINT32 compsize;
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UINT32 size;
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UINT16 namelen;
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UINT16 xtralen;
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UINT16 commlen;
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UINT16 diskstart;
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UINT16 attrint;
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UINT32 attrext;
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UINT32 offset;
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} ATTRPACK zentry_t;
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typedef struct zlentry_s
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{
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char signature[4];
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UINT16 versionneeded;
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UINT16 flags;
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UINT16 compression;
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UINT16 modtime;
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UINT16 moddate;
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UINT32 CRC32;
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UINT32 compsize;
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UINT32 size;
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UINT16 namelen;
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UINT16 xtralen;
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} ATTRPACK zlentry_t;
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/** Create a lumpinfo_t array for a PKZip file.
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*/
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static lumpinfo_t* ResGetLumpsZip (FILE* handle, UINT16* nlmp)
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{
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zend_t zend;
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zentry_t* zentries;
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zentry_t* zentry;
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UINT16 numlumps = *nlmp;
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lumpinfo_t* lumpinfo;
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lumpinfo_t *lump_p;
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size_t i;
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char pat_central[] = {0x50, 0x4b, 0x01, 0x02, 0x00};
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char pat_end[] = {0x50, 0x4b, 0x05, 0x06, 0x00};
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// Look for central directory end signature near end of file.
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// Contains entry number (number of lumps), and central directory start offset.
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fseek(handle, 0, SEEK_END);
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if (!ResFindSignature(handle, pat_end, max(0, ftell(handle) - (22 + 65536))))
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{
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CONS_Alert(CONS_ERROR, "Missing central directory\n");
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return 0;
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}
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fseek(handle, -4, SEEK_CUR);
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fread(&zend, 1, sizeof zend, handle);
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numlumps = zend.entries;
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lump_p = lumpinfo = Z_Malloc(numlumps * sizeof (*lumpinfo), PU_STATIC, NULL);
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zentry = zentries = malloc(numlumps * sizeof (*zentries));
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fseek(handle, zend.cdiroffset, SEEK_SET);
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for (i = 0; i < numlumps; i++, zentry++, lump_p++)
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{
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char* fullname;
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char* trimname;
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char* dotpos;
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fread(zentry, 1, sizeof(zentry_t), handle);
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if (memcmp(zentry->signature, pat_central, 4))
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{
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CONS_Alert(CONS_ERROR, "Central directory is corrupt\n");
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Z_Free(lumpinfo);
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free(zentry);
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return 0;
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}
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lump_p->position = zentry->offset + zentry->namelen + zentry->xtralen + sizeof(zlentry_t);
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lump_p->disksize = zentry->compsize;
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lump_p->size = zentry->size;
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fullname = malloc(zentry->namelen + 1);
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fgets(fullname, zentry->namelen + 1, handle);
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// Strip away file address and extension for the 8char name.
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if ((trimname = strrchr(fullname, '/')) != 0)
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trimname++;
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else
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trimname = fullname; // Care taken for root files.
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if ((dotpos = strrchr(trimname, '.')) == 0)
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dotpos = fullname + strlen(fullname); // Watch for files without extension.
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memset(lump_p->name, '\0', 9); // Making sure they're initialized to 0. Is it necessary?
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strncpy(lump_p->name, trimname, min(8, dotpos - trimname));
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lump_p->name2 = Z_Calloc(zentry->namelen + 1, PU_STATIC, NULL);
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strncpy(lump_p->name2, fullname, zentry->namelen);
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free(fullname);
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switch(zentry->compression)
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{
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case 0:
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lump_p->compression = CM_NOCOMPRESSION;
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break;
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case 8:
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lump_p->compression = CM_DEFLATE;
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break;
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case 14:
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lump_p->compression = CM_LZF;
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break;
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default:
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CONS_Alert(CONS_WARNING, "%s: Unsupported compression method\n", fullname);
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lump_p->compression = CM_UNSUPPORTED;
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break;
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}
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}
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*nlmp = numlumps;
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return lumpinfo;
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}
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// Allocate a wadfile, setup the lumpinfo (directory) and
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// lumpcache, add the wadfile to the current active wadfiles
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//
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@ -330,9 +623,8 @@ UINT16 W_InitFile(const char *filename)
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lumpinfo_t *lumpinfo;
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wadfile_t *wadfile;
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restype_t type;
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||||
UINT16 numlumps;
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UINT16 numlumps = 0;
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size_t i;
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INT32 compressed = 0;
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size_t packetsize = 0;
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serverinfo_pak *dummycheck = NULL;
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UINT8 md5sum[16];
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@ -393,323 +685,30 @@ UINT16 W_InitFile(const char *filename)
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}
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#endif
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// detect dehacked file with the "soc" extension
|
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if (!stricmp(&filename[strlen(filename) - 4], ".soc"))
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||||
switch(type = ResourceFileDetect(filename))
|
||||
{
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||||
// This code emulates a wadfile with one lump name "OBJCTCFG"
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// at position 0 and size of the whole file.
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||||
// This allows soc files to be like all wads, copied by network and loaded at the console.
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type = RET_SOC;
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|
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numlumps = 1;
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lumpinfo = Z_Calloc(sizeof (*lumpinfo), PU_STATIC, NULL);
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lumpinfo->position = 0;
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fseek(handle, 0, SEEK_END);
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||||
lumpinfo->size = ftell(handle);
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fseek(handle, 0, SEEK_SET);
|
||||
strcpy(lumpinfo->name, "OBJCTCFG");
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// Allocate the lump's full name.
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||||
lumpinfo->name2 = Z_Malloc(9 * sizeof(char), PU_STATIC, NULL);
|
||||
strcpy(lumpinfo->name2, "OBJCTCFG");
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||||
lumpinfo->name2[8] = '\0';
|
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}
|
||||
case RET_SOC:
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lumpinfo = ResGetLumpsStandalone(handle, &numlumps, "OBJCTCFG");
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break;
|
||||
#ifdef HAVE_BLUA
|
||||
// detect lua script with the "lua" extension
|
||||
else if (!stricmp(&filename[strlen(filename) - 4], ".lua"))
|
||||
{
|
||||
// This code emulates a wadfile with one lump name "LUA_INIT"
|
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// at position 0 and size of the whole file.
|
||||
// This allows soc files to be like all wads, copied by network and loaded at the console.
|
||||
type = RET_LUA;
|
||||
|
||||
numlumps = 1;
|
||||
lumpinfo = Z_Calloc(sizeof (*lumpinfo), PU_STATIC, NULL);
|
||||
lumpinfo->position = 0;
|
||||
fseek(handle, 0, SEEK_END);
|
||||
lumpinfo->size = ftell(handle);
|
||||
fseek(handle, 0, SEEK_SET);
|
||||
strcpy(lumpinfo->name, "LUA_INIT");
|
||||
// Allocate the lump's full name.
|
||||
lumpinfo->name2 = Z_Malloc(9 * sizeof(char), PU_STATIC, NULL);
|
||||
strcpy(lumpinfo->name2, "OBJCTCFG");
|
||||
lumpinfo->name2[8] = '\0';
|
||||
}
|
||||
case RET_LUA:
|
||||
lumpinfo = ResGetLumpsStandalone(handle, &numlumps, "LUA_INIT");
|
||||
break;
|
||||
#endif
|
||||
else if (!stricmp(&filename[strlen(filename) - 4], ".pk3"))
|
||||
{
|
||||
char curHeader[4];
|
||||
unsigned long size;
|
||||
char seekPat[] = {0x50, 0x4b, 0x01, 0x02, 0x00};
|
||||
char endPat[] = {0x50, 0x4b, 0x05, 0x06, 0x00};
|
||||
char *s;
|
||||
int c;
|
||||
UINT32 position;
|
||||
boolean matched = false;
|
||||
lumpinfo_t *lump_p;
|
||||
|
||||
type = RET_PK3;
|
||||
|
||||
// Obtain the file's size.
|
||||
fseek(handle, 0, SEEK_END);
|
||||
size = ftell(handle);
|
||||
CONS_Debug(DBG_SETUP, "PK3 size is: %ld\n", size);
|
||||
|
||||
// We must look for the central directory through the file. (Thanks to JTE for this algorithm.)
|
||||
// All of the central directory entry headers have a signature of 0x50 0x4b 0x01 0x02.
|
||||
// The first entry found means the beginning of the central directory.
|
||||
fseek(handle, -min(size, (22 + 65536)), SEEK_CUR);
|
||||
s = endPat;
|
||||
while((c = fgetc(handle)) != EOF)
|
||||
{
|
||||
if (*s != c && s > endPat) // No match?
|
||||
s = endPat; // We "reset" the counter by sending the s pointer back to the start of the array.
|
||||
if (*s == c)
|
||||
{
|
||||
s++;
|
||||
if (*s == 0x00) // The array pointer has reached the key char which marks the end. It means we have matched the signature.
|
||||
{
|
||||
matched = true;
|
||||
CONS_Debug(DBG_SETUP, "Found PK3 central directory at position %ld.\n", ftell(handle));
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Error if we couldn't find the central directory at all. It likely means this is not a ZIP/PK3 file.
|
||||
if (matched == false)
|
||||
{
|
||||
CONS_Alert(CONS_ERROR, "No central directory inside PK3! File may be corrupted or incomplete.\n");
|
||||
return INT16_MAX;
|
||||
}
|
||||
|
||||
fseek(handle, 4, SEEK_CUR);
|
||||
fread(&numlumps, 1, 2, handle);
|
||||
fseek(handle, 6, SEEK_CUR);
|
||||
fread(&position, 1, 4, handle);
|
||||
lump_p = lumpinfo = Z_Malloc(numlumps * sizeof (*lumpinfo), PU_STATIC, NULL);
|
||||
fseek(handle, position, SEEK_SET);
|
||||
|
||||
// Since we found the central directory, now we can map our lumpinfo table.
|
||||
// We will look for file headers inside it, until we reach the central directory end signature.
|
||||
// We exactly know what data to expect this time, so now we don't need to do a byte-by-byte search.
|
||||
CONS_Debug(DBG_SETUP, "Now finding central directory file headers...\n");
|
||||
for (i = 0; i < numlumps; i++, lump_p++)
|
||||
{
|
||||
fread(curHeader, 1, 4, handle);
|
||||
|
||||
// We found a central directory entry signature?
|
||||
if (!strncmp(curHeader, seekPat, 3))
|
||||
{
|
||||
// Let's fill in the fields that we actually need.
|
||||
// (Declaring all those vars might not be the optimal way to do this, sorry.)
|
||||
char *eName;
|
||||
int namePos;
|
||||
int nameEnd;
|
||||
unsigned short int eNameLen = 8;
|
||||
unsigned short int eXFieldLen = 0;
|
||||
unsigned short int lNameLen = 0;
|
||||
unsigned short int lXFieldLen = 0;
|
||||
unsigned short int eCommentLen = 0;
|
||||
unsigned short int eCompression = 0;
|
||||
unsigned int eSize = 0;
|
||||
unsigned int eCompSize = 0;
|
||||
unsigned int eLocalHeaderOffset = 0;
|
||||
unsigned long int rememberPos = 0;
|
||||
|
||||
// We get the compression type indicator value.
|
||||
fseek(handle, 6, SEEK_CUR);
|
||||
fread(&eCompression, 1, 2, handle);
|
||||
// Get the size
|
||||
fseek(handle, 8, SEEK_CUR);
|
||||
fread(&eCompSize, 1, 4, handle);
|
||||
fread(&eSize, 1, 4, handle);
|
||||
// We get the variable length fields.
|
||||
fread(&eNameLen, 1, 2, handle);
|
||||
fread(&eXFieldLen, 1, 2, handle);
|
||||
fread(&eCommentLen, 1, 2, handle);
|
||||
fseek(handle, 8, SEEK_CUR);
|
||||
fread(&eLocalHeaderOffset, 1, 4, handle); // Get the offset.
|
||||
|
||||
eName = malloc(sizeof(char)*(eNameLen + 1));
|
||||
fgets(eName, eNameLen + 1, handle);
|
||||
|
||||
// Don't load lump if folder.
|
||||
// if (*(eName + eNameLen - 1) == '/')
|
||||
// continue;
|
||||
|
||||
// We must calculate the position for the actual data.
|
||||
// Why not eLocalHeaderOffset + 30 + eNameLen + eXFieldLen? That's because the extra field and name lengths MAY be different in the local headers.
|
||||
rememberPos = ftell(handle);
|
||||
fseek(handle, eLocalHeaderOffset + 26, SEEK_SET);
|
||||
fread(&lNameLen, 1, 2, handle);
|
||||
fread(&lXFieldLen, 1, 2, handle);
|
||||
lump_p->position = ftell(handle) + lNameLen + lXFieldLen;
|
||||
|
||||
fseek(handle, rememberPos, SEEK_SET); // Let's go back to the central dir.
|
||||
lump_p->disksize = eCompSize;
|
||||
lump_p->size = eSize;
|
||||
|
||||
// We will trim the file's full name so that only the filename is left.
|
||||
namePos = eNameLen - 1;
|
||||
while(namePos--)
|
||||
if(eName[namePos] == '/')
|
||||
break;
|
||||
namePos++;
|
||||
// We will remove the file extension too.
|
||||
nameEnd = 0;
|
||||
while(nameEnd++ < 8)
|
||||
if(eName[namePos + nameEnd] == '.')
|
||||
break;
|
||||
memset(lump_p->name, '\0', 9);
|
||||
strncpy(lump_p->name, eName + namePos, nameEnd);
|
||||
|
||||
lump_p->name2 = Z_Malloc((eNameLen+1)*sizeof(char), PU_STATIC, NULL);
|
||||
strncpy(lump_p->name2, eName, eNameLen);
|
||||
lump_p->name2[eNameLen] = '\0';
|
||||
|
||||
// We set the compression type from what we're supporting so far.
|
||||
switch(eCompression)
|
||||
{
|
||||
case 0:
|
||||
lump_p->compression = CM_NOCOMPRESSION;
|
||||
break;
|
||||
case 8:
|
||||
lump_p->compression = CM_DEFLATE;
|
||||
break;
|
||||
case 14:
|
||||
lump_p->compression = CM_LZF;
|
||||
break;
|
||||
default:
|
||||
CONS_Alert(CONS_WARNING, "Lump has an unsupported compression type!\n");
|
||||
lump_p->compression = CM_UNSUPPORTED;
|
||||
break;
|
||||
}
|
||||
CONS_Debug(DBG_SETUP, "File %s, data begins at: %ld\n", eName, lump_p->position);
|
||||
fseek(handle, eXFieldLen + eCommentLen, SEEK_CUR); // We skip to where we expect the next central directory entry or end marker to be.
|
||||
free(eName);
|
||||
}
|
||||
// We found the central directory end signature?
|
||||
else if (!strncmp(curHeader, endPat, 4))
|
||||
{
|
||||
CONS_Debug(DBG_SETUP, "Central directory end signature found at: %ld\n", ftell(handle));
|
||||
|
||||
/*// We will create a "virtual" marker lump at the very end of lumpinfo for convenience.
|
||||
// This marker will be used by the different lump-seeking (eg. textures, sprites, etc.) in PK3-specific cases in an auxiliary way.
|
||||
lumpinfo = (lumpinfo_t*) Z_Realloc(lumpinfo, (numlumps + 1)*sizeof(*lumpinfo), PU_STATIC, NULL);
|
||||
strcpy(lumpinfo[numlumps].name, "PK3_ENDM\0");
|
||||
lumpinfo[numlumps].name2 = Z_Malloc(14 * sizeof(char), PU_STATIC, NULL);
|
||||
strcpy(lumpinfo[numlumps].name2, "PK3_ENDMARKER\0");
|
||||
lumpinfo[numlumps].position = 0;
|
||||
lumpinfo[numlumps].size = 0;
|
||||
lumpinfo[numlumps].disksize = 0;
|
||||
lumpinfo[numlumps].compression = CM_NOCOMPRESSION;
|
||||
numlumps++;*/
|
||||
break;
|
||||
}
|
||||
// ... None of them? We're only expecting either a central directory signature entry or the central directory end signature.
|
||||
// The file may be broken or incomplete...
|
||||
else
|
||||
{
|
||||
CONS_Alert(CONS_WARNING, "Expected central directory header signature, got something else!");
|
||||
return INT16_MAX;
|
||||
}
|
||||
}
|
||||
// If we've reached this far, then it means our dynamically stored lumpinfo has to be ready.
|
||||
// Now we finally build our... incorrectly called wadfile.
|
||||
// TODO: Maybe we should give them more generalized names, like resourcefile or resfile or something.
|
||||
// Mostly for clarity and better understanding when reading the code.
|
||||
case RET_PK3:
|
||||
lumpinfo = ResGetLumpsZip(handle, &numlumps);
|
||||
break;
|
||||
case RET_WAD:
|
||||
lumpinfo = ResGetLumpsWad(handle, &numlumps, filename);
|
||||
break;
|
||||
default:
|
||||
CONS_Alert(CONS_ERROR, "Unsupported file format\n");
|
||||
}
|
||||
// assume wad file
|
||||
else
|
||||
|
||||
if (lumpinfo == 0)
|
||||
{
|
||||
wadinfo_t header;
|
||||
lumpinfo_t *lump_p;
|
||||
filelump_t *fileinfo;
|
||||
void *fileinfov;
|
||||
|
||||
type = RET_WAD;
|
||||
|
||||
// read the header
|
||||
if (fread(&header, 1, sizeof header, handle) < sizeof header)
|
||||
{
|
||||
CONS_Alert(CONS_ERROR, M_GetText("Can't read wad header from %s because %s\n"), filename, strerror(ferror(handle)));
|
||||
if (handle)
|
||||
fclose(handle);
|
||||
return INT16_MAX;
|
||||
}
|
||||
|
||||
if (memcmp(header.identification, "ZWAD", 4) == 0)
|
||||
compressed = 1;
|
||||
else if (memcmp(header.identification, "IWAD", 4) != 0
|
||||
&& memcmp(header.identification, "PWAD", 4) != 0
|
||||
&& memcmp(header.identification, "SDLL", 4) != 0)
|
||||
{
|
||||
CONS_Alert(CONS_ERROR, M_GetText("%s does not have a valid WAD header\n"), filename);
|
||||
if (handle)
|
||||
fclose(handle);
|
||||
return INT16_MAX;
|
||||
}
|
||||
|
||||
header.numlumps = LONG(header.numlumps);
|
||||
header.infotableofs = LONG(header.infotableofs);
|
||||
|
||||
// read wad file directory
|
||||
i = header.numlumps * sizeof (*fileinfo);
|
||||
fileinfov = fileinfo = malloc(i);
|
||||
if (fseek(handle, header.infotableofs, SEEK_SET) == -1
|
||||
|| fread(fileinfo, 1, i, handle) < i)
|
||||
{
|
||||
CONS_Alert(CONS_ERROR, M_GetText("Wadfile directory in %s is corrupted (%s)\n"), filename, strerror(ferror(handle)));
|
||||
free(fileinfov);
|
||||
if (handle)
|
||||
fclose(handle);
|
||||
return INT16_MAX;
|
||||
}
|
||||
|
||||
numlumps = header.numlumps;
|
||||
|
||||
// fill in lumpinfo for this wad
|
||||
lump_p = lumpinfo = Z_Malloc(numlumps * sizeof (*lumpinfo), PU_STATIC, NULL);
|
||||
for (i = 0; i < numlumps; i++, lump_p++, fileinfo++)
|
||||
{
|
||||
lump_p->position = LONG(fileinfo->filepos);
|
||||
lump_p->size = lump_p->disksize = LONG(fileinfo->size);
|
||||
if (compressed) // wad is compressed, lump might be
|
||||
{
|
||||
UINT32 realsize = 0;
|
||||
|
||||
if (fseek(handle, lump_p->position, SEEK_SET)
|
||||
== -1 || fread(&realsize, 1, sizeof realsize,
|
||||
handle) < sizeof realsize)
|
||||
{
|
||||
I_Error("corrupt compressed file: %s; maybe %s",
|
||||
filename, strerror(ferror(handle)));
|
||||
}
|
||||
realsize = LONG(realsize);
|
||||
if (realsize != 0)
|
||||
{
|
||||
lump_p->size = realsize;
|
||||
lump_p->compression = CM_LZF;
|
||||
}
|
||||
else
|
||||
{
|
||||
lump_p->size -= 4;
|
||||
lump_p->compression = CM_NOCOMPRESSION;
|
||||
}
|
||||
|
||||
lump_p->position += 4;
|
||||
lump_p->disksize -= 4;
|
||||
}
|
||||
else
|
||||
lump_p->compression = CM_NOCOMPRESSION;
|
||||
memset(lump_p->name, 0x00, 9);
|
||||
strncpy(lump_p->name, fileinfo->name, 8);
|
||||
// Allocate the lump's full name.
|
||||
lump_p->name2 = Z_Malloc(9 * sizeof(char), PU_STATIC, NULL);
|
||||
strncpy(lump_p->name2, fileinfo->name, 8);
|
||||
lump_p->name2[8] = '\0';
|
||||
}
|
||||
free(fileinfov);
|
||||
fclose(handle);
|
||||
return INT16_MAX;
|
||||
}
|
||||
|
||||
//
|
||||
|
|
|
|||
|
|
@ -60,7 +60,6 @@ typedef struct
|
|||
char name[9]; // filelump_t name[]
|
||||
char *name2; // Used by PK3s. Dynamically allocated name.
|
||||
size_t size; // real (uncompressed) size
|
||||
INT32 compressed; // i
|
||||
compmethod compression; // lump compression method
|
||||
} lumpinfo_t;
|
||||
|
||||
|
|
@ -84,9 +83,11 @@ typedef enum restype
|
|||
RET_WAD,
|
||||
RET_SOC,
|
||||
RET_LUA,
|
||||
RET_PK3
|
||||
RET_PK3,
|
||||
RET_UNKNOWN,
|
||||
} restype_t;
|
||||
|
||||
|
||||
typedef struct wadfile_s
|
||||
{
|
||||
char *filename;
|
||||
|
|
|
|||
Loading…
Reference in a new issue