diff options
Diffstat (limited to 'Source/3rdParty/physfs/physfs_archiver_wad.c')
| -rw-r--r-- | Source/3rdParty/physfs/physfs_archiver_wad.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/Source/3rdParty/physfs/physfs_archiver_wad.c b/Source/3rdParty/physfs/physfs_archiver_wad.c deleted file mode 100644 index b094c5b..0000000 --- a/Source/3rdParty/physfs/physfs_archiver_wad.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * WAD support routines for PhysicsFS. - * - * This driver handles DOOM engine archives ("wads"). - * This format (but not this driver) was designed by id Software for use - * with the DOOM engine. - * The specs of the format are from the unofficial doom specs v1.666 - * found here: http://www.gamers.org/dhs/helpdocs/dmsp1666.html - * The format of the archive: (from the specs) - * - * A WAD file has three parts: - * (1) a twelve-byte header - * (2) one or more "lumps" - * (3) a directory or "info table" that contains the names, offsets, and - * sizes of all the lumps in the WAD - * - * The header consists of three four-byte parts: - * (a) an ASCII string which must be either "IWAD" or "PWAD" - * (b) a uint32 which is the number of lumps in the wad - * (c) a uint32 which is the file offset to the start of - * the directory - * - * The directory has one 16-byte entry for every lump. Each entry consists - * of three parts: - * - * (a) a uint32, the file offset to the start of the lump - * (b) a uint32, the size of the lump in bytes - * (c) an 8-byte ASCII string, the name of the lump, padded with zeros. - * For example, the "DEMO1" entry in hexadecimal would be - * (44 45 4D 4F 31 00 00 00) - * - * Note that there is no way to tell if an opened WAD archive is a - * IWAD or PWAD with this archiver. - * I couldn't think of a way to provide that information, without being too - * hacky. - * I don't think it's really that important though. - * - * - * Please see the file LICENSE.txt in the source's root directory. - * - * This file written by Travis Wells, based on the GRP archiver by - * Ryan C. Gordon. - */ - -#define __PHYSICSFS_INTERNAL__ -#include "physfs_internal.h" - -#if PHYSFS_SUPPORTS_WAD - -static int wadLoadEntries(PHYSFS_Io *io, const PHYSFS_uint32 count, void *arc) -{ - PHYSFS_uint32 i; - for (i = 0; i < count; i++) - { - PHYSFS_uint32 pos; - PHYSFS_uint32 size; - char name[9]; - - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &pos, 4), 0); - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &size, 4), 0); - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, name, 8), 0); - - name[8] = '\0'; /* name might not be null-terminated in file. */ - size = PHYSFS_swapULE32(size); - pos = PHYSFS_swapULE32(pos); - BAIL_IF_ERRPASS(!UNPK_addEntry(arc, name, 0, -1, -1, pos, size), 0); - } /* for */ - - return 1; -} /* wadLoadEntries */ - - -static void *WAD_openArchive(PHYSFS_Io *io, const char *name, - int forWriting, int *claimed) -{ - PHYSFS_uint8 buf[4]; - PHYSFS_uint32 count; - PHYSFS_uint32 directoryOffset; - void *unpkarc; - - assert(io != NULL); /* shouldn't ever happen. */ - - BAIL_IF(forWriting, PHYSFS_ERR_READ_ONLY, NULL); - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, buf, sizeof (buf)), NULL); - if ((memcmp(buf, "IWAD", 4) != 0) && (memcmp(buf, "PWAD", 4) != 0)) - BAIL(PHYSFS_ERR_UNSUPPORTED, NULL); - - *claimed = 1; - - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &count, sizeof (count)), NULL); - count = PHYSFS_swapULE32(count); - - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &directoryOffset, 4), 0); - directoryOffset = PHYSFS_swapULE32(directoryOffset); - - BAIL_IF_ERRPASS(!io->seek(io, directoryOffset), 0); - - unpkarc = UNPK_openArchive(io); - BAIL_IF_ERRPASS(!unpkarc, NULL); - - if (!wadLoadEntries(io, count, unpkarc)) - { - UNPK_abandonArchive(unpkarc); - return NULL; - } /* if */ - - return unpkarc; -} /* WAD_openArchive */ - - -const PHYSFS_Archiver __PHYSFS_Archiver_WAD = -{ - CURRENT_PHYSFS_ARCHIVER_API_VERSION, - { - "WAD", - "DOOM engine format", - "Travis Wells <traviswells@mchsi.com>", - "http://www.3dmm2.com/doom/", - 0, /* supportsSymlinks */ - }, - WAD_openArchive, - UNPK_enumerate, - UNPK_openRead, - UNPK_openWrite, - UNPK_openAppend, - UNPK_remove, - UNPK_mkdir, - UNPK_stat, - UNPK_closeArchive -}; - -#endif /* defined PHYSFS_SUPPORTS_WAD */ - -/* end of physfs_archiver_wad.c ... */ - |