| 0,0 → 1,158 |
|---|
| /* |
| Copyright (C) 1996-1997 Id Software, Inc. |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| |
| See the GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| */ |
| // wad.c |
| |
| #include "quakedef.h" |
| |
| int wad_numlumps; |
| lumpinfo_t *wad_lumps; |
| byte *wad_base; |
| |
| void SwapPic (qpic_t *pic); |
| |
| /* |
| ================== |
| W_CleanupName |
| |
| Lowercases name and pads with spaces and a terminating 0 to the length of |
| lumpinfo_t->name. |
| Used so lumpname lookups can proceed rapidly by comparing 4 chars at a time |
| Space padding is so names can be printed nicely in tables. |
| Can safely be performed in place. |
| ================== |
| */ |
| void W_CleanupName (char *in, char *out) |
| { |
| int i; |
| int c; |
| |
| for (i=0 ; i<16 ; i++ ) |
| { |
| c = in[i]; |
| if (!c) |
| break; |
| |
| if (c >= 'A' && c <= 'Z') |
| c += ('a' - 'A'); |
| out[i] = c; |
| } |
| |
| for ( ; i< 16 ; i++ ) |
| out[i] = 0; |
| } |
| |
| |
| |
| /* |
| ==================== |
| W_LoadWadFile |
| ==================== |
| */ |
| void W_LoadWadFile (char *filename) |
| { |
| lumpinfo_t *lump_p; |
| wadinfo_t *header; |
| unsigned i; |
| int infotableofs; |
| |
| wad_base = COM_LoadHunkFile (filename); |
| if (!wad_base) |
| Sys_Error ("W_LoadWadFile: couldn't load %s", filename); |
| |
| header = (wadinfo_t *)wad_base; |
| |
| if (header->identification[0] != 'W' |
| || header->identification[1] != 'A' |
| || header->identification[2] != 'D' |
| || header->identification[3] != '2') |
| Sys_Error ("Wad file %s doesn't have WAD2 id\n",filename); |
| |
| wad_numlumps = LittleLong(header->numlumps); |
| infotableofs = LittleLong(header->infotableofs); |
| wad_lumps = (lumpinfo_t *)(wad_base + infotableofs); |
| |
| for (i=0, lump_p = wad_lumps ; i<wad_numlumps ; i++,lump_p++) |
| { |
| lump_p->filepos = LittleLong(lump_p->filepos); |
| lump_p->size = LittleLong(lump_p->size); |
| W_CleanupName (lump_p->name, lump_p->name); |
| if (lump_p->type == TYP_QPIC) |
| SwapPic ( (qpic_t *)(wad_base + lump_p->filepos)); |
| } |
| } |
| |
| |
| /* |
| ============= |
| W_GetLumpinfo |
| ============= |
| */ |
| lumpinfo_t *W_GetLumpinfo (char *name) |
| { |
| int i; |
| lumpinfo_t *lump_p; |
| char clean[16]; |
| |
| W_CleanupName (name, clean); |
| |
| for (lump_p=wad_lumps, i=0 ; i<wad_numlumps ; i++,lump_p++) |
| { |
| if (!strcmp(clean, lump_p->name)) |
| return lump_p; |
| } |
| |
| Sys_Error ("W_GetLumpinfo: %s not found", name); |
| return NULL; |
| } |
| |
| void *W_GetLumpName (char *name) |
| { |
| lumpinfo_t *lump; |
| |
| lump = W_GetLumpinfo (name); |
| |
| return (void *)(wad_base + lump->filepos); |
| } |
| |
| void *W_GetLumpNum (int num) |
| { |
| lumpinfo_t *lump; |
| |
| if (num < 0 || num > wad_numlumps) |
| Sys_Error ("W_GetLumpNum: bad number: %i", num); |
| |
| lump = wad_lumps + num; |
| |
| return (void *)(wad_base + lump->filepos); |
| } |
| |
| /* |
| ============================================================================= |
| |
| automatic byte swapping |
| |
| ============================================================================= |
| */ |
| |
| void SwapPic (qpic_t *pic) |
| { |
| pic->width = LittleLong(pic->width); |
| pic->height = LittleLong(pic->height); |
| } |