2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 lumpinfo_t *wad_lumps;
28 void SwapPic (qpic_t *pic);
34 Lowercases name and pads with spaces and a terminating 0 to the length of
36 Used so lumpname lookups can proceed rapidly by comparing 4 chars at a time
37 Space padding is so names can be printed nicely in tables.
38 Can safely be performed in place.
41 void W_CleanupName (char *in, char *out)
46 for (i=0 ; i<16 ; i++ )
52 if (c >= 'A' && c <= 'Z')
68 void W_LoadWadFile (char *filename)
75 wad_base = COM_LoadHunkFile (filename, false);
77 Sys_Error ("W_LoadWadFile: couldn't load %s", filename);
79 header = (wadinfo_t *)wad_base;
81 if (header->identification[0] != 'W'
82 || header->identification[1] != 'A'
83 || header->identification[2] != 'D'
84 || header->identification[3] != '2')
85 Sys_Error ("Wad file %s doesn't have WAD2 id\n",filename);
87 wad_numlumps = LittleLong(header->numlumps);
88 infotableofs = LittleLong(header->infotableofs);
89 wad_lumps = (lumpinfo_t *)(wad_base + infotableofs);
91 for (i=0, lump_p = wad_lumps ; i<wad_numlumps ; i++,lump_p++)
93 lump_p->filepos = LittleLong(lump_p->filepos);
94 lump_p->size = LittleLong(lump_p->size);
95 W_CleanupName (lump_p->name, lump_p->name);
96 if (lump_p->type == TYP_QPIC)
97 SwapPic ( (qpic_t *)(wad_base + lump_p->filepos));
107 lumpinfo_t *W_GetLumpinfo (char *name)
113 W_CleanupName (name, clean);
115 for (lump_p=wad_lumps, i=0 ; i<wad_numlumps ; i++,lump_p++)
117 if (!strcmp(clean, lump_p->name))
121 Sys_Error ("W_GetLumpinfo: %s not found", name);
125 void *W_GetLumpName (char *name)
129 lump = W_GetLumpinfo (name);
131 return (void *)(wad_base + lump->filepos);
134 void *W_GetLumpNum (int num)
138 if (num < 0 || num > wad_numlumps)
139 Sys_Error ("W_GetLumpNum: bad number: %i", num);
141 lump = wad_lumps + num;
143 return (void *)(wad_base + lump->filepos);
147 =============================================================================
149 automatic byte swapping
151 =============================================================================
154 void SwapPic (qpic_t *pic)
156 pic->width = LittleLong(pic->width);
157 pic->height = LittleLong(pic->height);
160 // LordHavoc: added alternate WAD2/WAD3 system for HalfLife texture wads
161 #define TEXWAD_MAXIMAGES 16384
170 texwadlump_t texwadlump[TEXWAD_MAXIMAGES];
177 void W_LoadTextureWadFile (char *filename, int complain)
179 lumpinfo_t *lumps, *lump_p;
186 COM_FOpenFile (filename, &file, false);
190 Con_Printf ("W_LoadTextureWadFile: couldn't find %s", filename);
194 if (fread(&header, sizeof(wadinfo_t), 1, file) != 1)
195 {Con_Printf ("W_LoadTextureWadFile: unable to read wad header");return;}
197 if(header.identification[0] != 'W'
198 || header.identification[1] != 'A'
199 || header.identification[2] != 'D'
200 || header.identification[3] != '3')
201 {Con_Printf ("W_LoadTextureWadFile: Wad file %s doesn't have WAD3 id\n",filename);return;}
203 numlumps = LittleLong(header.numlumps);
204 if (numlumps < 1 || numlumps > TEXWAD_MAXIMAGES)
205 {Con_Printf ("W_LoadTextureWadFile: invalid number of lumps (%i)\n", numlumps);return;}
206 infotableofs = LittleLong(header.infotableofs);
207 if (fseek(file, infotableofs, SEEK_SET))
208 {Con_Printf ("W_LoadTextureWadFile: unable to seek to lump table");return;}
209 if (!(lumps = qmalloc(sizeof(lumpinfo_t)*numlumps)))
210 {Con_Printf ("W_LoadTextureWadFile: unable to allocate temporary memory for lump table");return;}
212 if (fread(lumps, sizeof(lumpinfo_t), numlumps, file) != numlumps)
213 {Con_Printf ("W_LoadTextureWadFile: unable to read lump table");return;}
215 for (i=0, lump_p = lumps ; i<numlumps ; i++,lump_p++)
217 W_CleanupName (lump_p->name, lump_p->name);
218 for (j = 0;j < TEXWAD_MAXIMAGES;j++)
220 if (texwadlump[j].name[0]) // occupied slot, check the name
222 if (!strcmp(lump_p->name, texwadlump[j].name)) // name match, replace old one
228 if (j >= TEXWAD_MAXIMAGES)
229 break; // abort loading
230 W_CleanupName (lump_p->name, texwadlump[j].name);
231 texwadlump[j].file = file;
232 texwadlump[j].position = LittleLong(lump_p->filepos);
233 texwadlump[j].size = LittleLong(lump_p->disksize);
236 // leaves the file open
240 byte hlpalette[768] =
242 0x00,0x00,0x00,0x0F,0x0F,0x0F,0x1F,0x1F,0x1F,0x2F,0x2F,0x2F,0x3F,0x3F,0x3F,0x4B,
243 0x4B,0x4B,0x5B,0x5B,0x5B,0x6B,0x6B,0x6B,0x7B,0x7B,0x7B,0x8B,0x8B,0x8B,0x9B,0x9B,
244 0x9B,0xAB,0xAB,0xAB,0xBB,0xBB,0xBB,0xCB,0xCB,0xCB,0xDB,0xDB,0xDB,0xEB,0xEB,0xEB,
245 0x0F,0x0B,0x07,0x17,0x0F,0x0B,0x1F,0x17,0x0B,0x27,0x1B,0x0F,0x2F,0x23,0x13,0x37,
246 0x2B,0x17,0x3F,0x2F,0x17,0x4B,0x37,0x1B,0x53,0x3B,0x1B,0x5B,0x43,0x1F,0x63,0x4B,
247 0x1F,0x6B,0x53,0x1F,0x73,0x57,0x1F,0x7B,0x5F,0x23,0x83,0x67,0x23,0x8F,0x6F,0x23,
248 0x0B,0x0B,0x0F,0x13,0x13,0x1B,0x1B,0x1B,0x27,0x27,0x27,0x33,0x2F,0x2F,0x3F,0x37,
249 0x37,0x4B,0x3F,0x3F,0x57,0x47,0x47,0x67,0x4F,0x4F,0x73,0x5B,0x5B,0x7F,0x63,0x63,
250 0x8B,0x6B,0x6B,0x97,0x73,0x73,0xA3,0x7B,0x7B,0xAF,0x83,0x83,0xBB,0x8B,0x8B,0xCB,
251 0x00,0x00,0x00,0x07,0x07,0x00,0x0B,0x0B,0x00,0x13,0x13,0x00,0x1B,0x1B,0x00,0x23,
252 0x23,0x00,0x2B,0x2B,0x07,0x2F,0x2F,0x07,0x37,0x37,0x07,0x3F,0x3F,0x07,0x47,0x47,
253 0x07,0x4B,0x4B,0x0B,0x53,0x53,0x0B,0x5B,0x5B,0x0B,0x63,0x63,0x0B,0x6B,0x6B,0x0F,
254 0x07,0x00,0x00,0x0F,0x00,0x00,0x17,0x00,0x00,0x1F,0x00,0x00,0x27,0x00,0x00,0x2F,
255 0x00,0x00,0x37,0x00,0x00,0x3F,0x00,0x00,0x47,0x00,0x00,0x4F,0x00,0x00,0x57,0x00,
256 0x00,0x5F,0x00,0x00,0x67,0x00,0x00,0x6F,0x00,0x00,0x77,0x00,0x00,0x7F,0x00,0x00,
257 0x13,0x13,0x00,0x1B,0x1B,0x00,0x23,0x23,0x00,0x2F,0x2B,0x00,0x37,0x2F,0x00,0x43,
258 0x37,0x00,0x4B,0x3B,0x07,0x57,0x43,0x07,0x5F,0x47,0x07,0x6B,0x4B,0x0B,0x77,0x53,
259 0x0F,0x83,0x57,0x13,0x8B,0x5B,0x13,0x97,0x5F,0x1B,0xA3,0x63,0x1F,0xAF,0x67,0x23,
260 0x23,0x13,0x07,0x2F,0x17,0x0B,0x3B,0x1F,0x0F,0x4B,0x23,0x13,0x57,0x2B,0x17,0x63,
261 0x2F,0x1F,0x73,0x37,0x23,0x7F,0x3B,0x2B,0x8F,0x43,0x33,0x9F,0x4F,0x33,0xAF,0x63,
262 0x2F,0xBF,0x77,0x2F,0xCF,0x8F,0x2B,0xDF,0xAB,0x27,0xEF,0xCB,0x1F,0xFF,0xF3,0x1B,
263 0x0B,0x07,0x00,0x1B,0x13,0x00,0x2B,0x23,0x0F,0x37,0x2B,0x13,0x47,0x33,0x1B,0x53,
264 0x37,0x23,0x63,0x3F,0x2B,0x6F,0x47,0x33,0x7F,0x53,0x3F,0x8B,0x5F,0x47,0x9B,0x6B,
265 0x53,0xA7,0x7B,0x5F,0xB7,0x87,0x6B,0xC3,0x93,0x7B,0xD3,0xA3,0x8B,0xE3,0xB3,0x97,
266 0xAB,0x8B,0xA3,0x9F,0x7F,0x97,0x93,0x73,0x87,0x8B,0x67,0x7B,0x7F,0x5B,0x6F,0x77,
267 0x53,0x63,0x6B,0x4B,0x57,0x5F,0x3F,0x4B,0x57,0x37,0x43,0x4B,0x2F,0x37,0x43,0x27,
268 0x2F,0x37,0x1F,0x23,0x2B,0x17,0x1B,0x23,0x13,0x13,0x17,0x0B,0x0B,0x0F,0x07,0x07,
269 0xBB,0x73,0x9F,0xAF,0x6B,0x8F,0xA3,0x5F,0x83,0x97,0x57,0x77,0x8B,0x4F,0x6B,0x7F,
270 0x4B,0x5F,0x73,0x43,0x53,0x6B,0x3B,0x4B,0x5F,0x33,0x3F,0x53,0x2B,0x37,0x47,0x23,
271 0x2B,0x3B,0x1F,0x23,0x2F,0x17,0x1B,0x23,0x13,0x13,0x17,0x0B,0x0B,0x0F,0x07,0x07,
272 0xDB,0xC3,0xBB,0xCB,0xB3,0xA7,0xBF,0xA3,0x9B,0xAF,0x97,0x8B,0xA3,0x87,0x7B,0x97,
273 0x7B,0x6F,0x87,0x6F,0x5F,0x7B,0x63,0x53,0x6B,0x57,0x47,0x5F,0x4B,0x3B,0x53,0x3F,
274 0x33,0x43,0x33,0x27,0x37,0x2B,0x1F,0x27,0x1F,0x17,0x1B,0x13,0x0F,0x0F,0x0B,0x07,
275 0x6F,0x83,0x7B,0x67,0x7B,0x6F,0x5F,0x73,0x67,0x57,0x6B,0x5F,0x4F,0x63,0x57,0x47,
276 0x5B,0x4F,0x3F,0x53,0x47,0x37,0x4B,0x3F,0x2F,0x43,0x37,0x2B,0x3B,0x2F,0x23,0x33,
277 0x27,0x1F,0x2B,0x1F,0x17,0x23,0x17,0x0F,0x1B,0x13,0x0B,0x13,0x0B,0x07,0x0B,0x07,
278 0xFF,0xF3,0x1B,0xEF,0xDF,0x17,0xDB,0xCB,0x13,0xCB,0xB7,0x0F,0xBB,0xA7,0x0F,0xAB,
279 0x97,0x0B,0x9B,0x83,0x07,0x8B,0x73,0x07,0x7B,0x63,0x07,0x6B,0x53,0x00,0x5B,0x47,
280 0x00,0x4B,0x37,0x00,0x3B,0x2B,0x00,0x2B,0x1F,0x00,0x1B,0x0F,0x00,0x0B,0x07,0x00,
281 0x00,0x00,0xFF,0x0B,0x0B,0xEF,0x13,0x13,0xDF,0x1B,0x1B,0xCF,0x23,0x23,0xBF,0x2B,
282 0x2B,0xAF,0x2F,0x2F,0x9F,0x2F,0x2F,0x8F,0x2F,0x2F,0x7F,0x2F,0x2F,0x6F,0x2F,0x2F,
283 0x5F,0x2B,0x2B,0x4F,0x23,0x23,0x3F,0x1B,0x1B,0x2F,0x13,0x13,0x1F,0x0B,0x0B,0x0F,
284 0x2B,0x00,0x00,0x3B,0x00,0x00,0x4B,0x07,0x00,0x5F,0x07,0x00,0x6F,0x0F,0x00,0x7F,
285 0x17,0x07,0x93,0x1F,0x07,0xA3,0x27,0x0B,0xB7,0x33,0x0F,0xC3,0x4B,0x1B,0xCF,0x63,
286 0x2B,0xDB,0x7F,0x3B,0xE3,0x97,0x4F,0xE7,0xAB,0x5F,0xEF,0xBF,0x77,0xF7,0xD3,0x8B,
287 0xA7,0x7B,0x3B,0xB7,0x9B,0x37,0xC7,0xC3,0x37,0xE7,0xE3,0x57,0x00,0xFF,0x00,0xAB,
288 0xE7,0xFF,0xD7,0xFF,0xFF,0x67,0x00,0x00,0x8B,0x00,0x00,0xB3,0x00,0x00,0xD7,0x00,
289 0x00,0xFF,0x00,0x00,0xFF,0xF3,0x93,0xFF,0xF7,0xC7,0xFF,0xFF,0xFF,0x9F,0x5B,0x53,
292 byte *W_GetTexture(char *name, int matchwidth, int matchheight)
304 byte pal[256][3], *indata, *outdata, *data;
305 for (i = 0;i < TEXWAD_MAXIMAGES;i++)
307 if (texwadlump[i].name[0])
309 if (!strcmp(name, texwadlump[i].name)) // found it
311 file = texwadlump[i].file;
312 if (fseek(file, texwadlump[i].position, SEEK_SET))
313 {Con_Printf("W_GetTexture: corrupt WAD3 file");return FALSE;}
314 if (fread(&t, sizeof(t), 1, file) != 1)
315 {Con_Printf("W_GetTexture: corrupt WAD3 file");return FALSE;}
316 image_width = LittleLong(t.width);
317 image_height = LittleLong(t.height);
318 if (matchwidth && image_width != matchwidth)
320 if (matchheight && image_height != matchheight)
322 if (image_width & 15 || image_height & 15)
323 {Con_Printf("W_GetTexture: corrupt WAD3 file");return FALSE;}
324 // allocate space for expanded image,
325 // and load incoming image into upper area (overwritten as it expands)
326 if (!(data = outdata = qmalloc(image_width*image_height*4)))
327 {Con_Printf("W_GetTexture: out of memory");return FALSE;}
328 indata = outdata + image_width*image_height*3;
329 datasize = image_width*image_height*85/64;
330 // read the image data
331 if (fseek(file, texwadlump[i].position + sizeof(t), SEEK_SET))
332 {Con_Printf("W_GetTexture: corrupt WAD3 file");return FALSE;}
333 if (fread(indata, 1, image_width*image_height, file) != image_width*image_height)
334 {Con_Printf("W_GetTexture: corrupt WAD3 file");return FALSE;}
335 // read the number of colors used (always 256)
336 if (fseek(file, texwadlump[i].position + sizeof(t) + datasize, SEEK_SET))
337 {Con_Printf("W_GetTexture: corrupt WAD3 file");return FALSE;}
338 if (fread(&colorcount, 2, 1, file) != 1)
339 {Con_Printf("W_GetTexture: corrupt WAD3 file");return FALSE;}
340 if (texwadlump[i].size > (datasize + sizeof(t)))
342 colorcount = LittleShort(colorcount);
344 if (colorcount < 0) colorcount = 0;
345 if (colorcount > 256) colorcount = 256;
347 // fseek(file, texwadlump[i].position + sizeof(t) + datasize + 2, SEEK_SET);
348 if (fread(&pal, 3, colorcount, file) != colorcount)
349 {Con_Printf("W_GetTexture: corrupt WAD3 file");return FALSE;}
352 memcpy(&pal, hlpalette, 768);
353 // expand the image to 32bit RGBA
354 for (i = 0;i < image_width*image_height;i++)
357 if (pal[c][0] == 0 && pal[c][1] == 0 && pal[c][2] == 255) // HL transparent color (pure blue)
358 outdata[0] = outdata[1] = outdata[2] = outdata[3] = 0;
361 outdata[0] = pal[c][0];
362 outdata[1] = pal[c][1];
363 outdata[2] = pal[c][2];
374 image_width = image_height = 0;