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.
28 void Mod_AliasInit (void)
40 //stvert_t stverts[MAXALIASVERTS];
41 //mtriangle_t triangles[MAXALIASTRIS];
43 // a pose is a single set of vertexes. a frame may be
44 // an animating sequence of poses
45 //trivertx_t *poseverts[MAXALIASFRAMES];
48 byte **player_8bit_texels_tbl;
49 byte *player_8bit_texels;
51 float aliasbboxmin[3], aliasbboxmax[3]; // LordHavoc: proper bounding box considerations
53 void Mod_ConvertAliasVerts (int numverts, int numtris, vec3_t scale, vec3_t translate, trivertx_t *v, trivert2 *out)
62 } tempvert[MD2MAX_VERTS];
64 // decompress vertices
65 for (i = 0;i < numverts;i++)
67 VectorCopy(v[i].v, out[i].v);
68 tempvert[i].v[0] = v[i].v[0] * scale[0] + translate[0];
69 tempvert[i].v[1] = v[i].v[1] * scale[1] + translate[1];
70 tempvert[i].v[2] = v[i].v[2] * scale[2] + translate[2];
71 tempvert[i].normal[0] = tempvert[i].normal[1] = tempvert[i].normal[2] = 0;
72 tempvert[i].count = 0;
73 // update bounding box
74 if (tempvert[i].v[0] < aliasbboxmin[0]) aliasbboxmin[0] = tempvert[i].v[0];
75 if (tempvert[i].v[1] < aliasbboxmin[1]) aliasbboxmin[1] = tempvert[i].v[1];
76 if (tempvert[i].v[2] < aliasbboxmin[2]) aliasbboxmin[2] = tempvert[i].v[2];
77 if (tempvert[i].v[0] > aliasbboxmax[0]) aliasbboxmax[0] = tempvert[i].v[0];
78 if (tempvert[i].v[1] > aliasbboxmax[1]) aliasbboxmax[1] = tempvert[i].v[1];
79 if (tempvert[i].v[2] > aliasbboxmax[2]) aliasbboxmax[2] = tempvert[i].v[2];
81 // calculate surface normals
83 for (i = 0;i < numtris;i++)
85 VectorSubtract(tempvert[tris->v[0]].v, tempvert[tris->v[1]].v, t1);
86 VectorSubtract(tempvert[tris->v[2]].v, tempvert[tris->v[1]].v, t2);
87 CrossProduct(t1, t2, tris->normal);
88 VectorNormalize(tris->normal);
89 // add surface normal to vertices
92 VectorAdd(tris->normal, tempvert[tris->v[j]].normal, tempvert[tris->v[j]].normal);
93 tempvert[tris->v[j]].count++;
97 // average normals and write out 1.7bit format
98 for (i = 0;i < pheader->numtris;i++)
100 VectorNormalize(tempvert[i].normal);
101 out[i].n[0] = (signed char) (tempvert[i].normal[0] * 127.0);
102 out[i].n[1] = (signed char) (tempvert[i].normal[1] * 127.0);
103 out[i].n[2] = (signed char) (tempvert[i].normal[2] * 127.0);
112 void * Mod_LoadAliasFrame (void * pin, maliasframedesc_t *frame)
114 trivertx_t *pinframe;
116 daliasframe_t *pdaliasframe;
118 pdaliasframe = (daliasframe_t *)pin;
120 strcpy (frame->name, pdaliasframe->name);
121 frame->firstpose = posenum;
124 for (i=0 ; i<3 ; i++)
126 // these are byte values, so we don't have to worry about
128 frame->bboxmin.v[i] = pdaliasframe->bboxmin.v[i];
129 frame->bboxmax.v[i] = pdaliasframe->bboxmax.v[i]; // LordHavoc: was setting bboxmin a second time (bug)
132 pinframe = (trivertx_t *)(pdaliasframe + 1);
134 // poseverts[posenum] = pinframe;
135 Mod_ConvertAliasVerts(pheader->numverts, pheader->numtris, pheader->scale, pheader->scale_origin, pinframe, (void *)((int) pheader + pheader->posedata + sizeof(trivert2) * pheader->numverts * posenum));
136 // // LordHavoc: copy the frame data
137 // memcpy((void *)((int) pheader + pheader->posedata + sizeof(trivertx_t) * pheader->numverts * posenum), pinframe, sizeof(trivertx_t) * pheader->numverts);
140 pinframe += pheader->numverts;
142 return (void *)pinframe;
151 void *Mod_LoadAliasGroup (void * pin, maliasframedesc_t *frame)
153 daliasgroup_t *pingroup;
155 daliasinterval_t *pin_intervals;
158 pingroup = (daliasgroup_t *)pin;
160 numframes = LittleLong (pingroup->numframes);
162 frame->firstpose = posenum;
163 frame->numposes = numframes;
165 for (i=0 ; i<3 ; i++)
167 // these are byte values, so we don't have to worry about endianness
168 frame->bboxmin.v[i] = pingroup->bboxmin.v[i];
169 frame->bboxmax.v[i] = pingroup->bboxmax.v[i]; // LordHavoc: was setting bboxmin a second time (bug)
172 pin_intervals = (daliasinterval_t *)(pingroup + 1);
174 frame->interval = LittleFloat (pin_intervals->interval);
176 pin_intervals += numframes;
178 ptemp = (void *)pin_intervals;
180 for (i=0 ; i<numframes ; i++)
182 // poseverts[posenum] = (trivertx_t *)((daliasframe_t *)ptemp + 1);
183 Mod_ConvertAliasVerts(pheader->numverts, pheader->numtris, pheader->scale, pheader->scale_origin, (void *)((daliasframe_t *)ptemp + 1), (void *)((int) pheader + pheader->posedata + sizeof(trivert2) * pheader->numverts * posenum));
184 // // LordHavoc: copy the frame data
185 // memcpy((void *)((int) pheader + pheader->posedata + sizeof(trivertx_t) * pheader->numverts * posenum), (void *)((daliasframe_t *)ptemp + 1), sizeof(trivertx_t) * pheader->numverts);
188 ptemp = (trivertx_t *)((daliasframe_t *)ptemp + 1) + pheader->numverts;
194 //=========================================================
200 Fill background pixels so mipmapping doesn't have haloes - Ed
209 extern unsigned d_8to24table[];
211 // must be a power of 2
212 #define FLOODFILL_FIFO_SIZE 0x1000
213 #define FLOODFILL_FIFO_MASK (FLOODFILL_FIFO_SIZE - 1)
215 #define FLOODFILL_STEP( off, dx, dy ) \
217 if (pos[off] == fillcolor) \
220 fifo[inpt].x = x + (dx), fifo[inpt].y = y + (dy); \
221 inpt = (inpt + 1) & FLOODFILL_FIFO_MASK; \
223 else if (pos[off] != 255) fdc = pos[off]; \
226 void Mod_FloodFillSkin( byte *skin, int skinwidth, int skinheight )
228 byte fillcolor = *skin; // assume this is the pixel to fill
229 floodfill_t fifo[FLOODFILL_FIFO_SIZE];
230 int inpt = 0, outpt = 0;
231 int filledcolor = -1;
234 if (filledcolor == -1)
237 // attempt to find opaque black
238 for (i = 0; i < 256; ++i)
239 if (d_8to24table[i] == (255 << 0)) // alpha 1.0
246 // can't fill to filled color or to transparent color (used as visited marker)
247 if ((fillcolor == filledcolor) || (fillcolor == 255))
249 //printf( "not filling skin from %d to %d\n", fillcolor, filledcolor );
253 fifo[inpt].x = 0, fifo[inpt].y = 0;
254 inpt = (inpt + 1) & FLOODFILL_FIFO_MASK;
256 while (outpt != inpt)
258 int x = fifo[outpt].x, y = fifo[outpt].y;
259 int fdc = filledcolor;
260 byte *pos = &skin[x + skinwidth * y];
262 outpt = (outpt + 1) & FLOODFILL_FIFO_MASK;
264 if (x > 0) FLOODFILL_STEP( -1, -1, 0 );
265 if (x < skinwidth - 1) FLOODFILL_STEP( 1, 1, 0 );
266 if (y > 0) FLOODFILL_STEP( -skinwidth, 0, -1 );
267 if (y < skinheight - 1) FLOODFILL_STEP( skinwidth, 0, 1 );
268 skin[x + skinwidth * y] = fdc;
277 void *Mod_LoadAllSkins (int numskins, daliasskintype_t *pskintype, int bytesperpixel)
284 daliasskingroup_t *pinskingroup;
286 daliasskininterval_t *pinskinintervals;
288 skin = (byte *)(pskintype + 1);
290 if (numskins < 1 || numskins > MAX_SKINS)
291 Host_Error ("Mod_LoadAliasModel: Invalid # of skins: %d\n", numskins);
293 s = pheader->skinwidth * pheader->skinheight;
295 for (i = 0;i < numskins;i++)
297 if (pskintype->type == ALIAS_SKIN_SINGLE)
299 if (bytesperpixel == 1)
300 Mod_FloodFillSkin( skin, pheader->skinwidth, pheader->skinheight );
302 // save 8 bit texels for the player model to remap
303 // if (!strcmp(loadmodel->name,"progs/player.mdl")) {
304 texels = Hunk_AllocName(s, loadname);
305 pheader->texels[i] = texels - (byte *)pheader;
306 memcpy (texels, (byte *)(pskintype + 1), s);
308 sprintf (name, "%s_%i", loadmodel->name, i);
309 pheader->gl_texturenum[i][0] =
310 pheader->gl_texturenum[i][1] =
311 pheader->gl_texturenum[i][2] =
312 pheader->gl_texturenum[i][3] =
313 GL_LoadTexture (name, pheader->skinwidth, pheader->skinheight, (byte *)(pskintype + 1), true, false, bytesperpixel);
314 pskintype = (daliasskintype_t *)((byte *)(pskintype+1) + s);
318 // animating skin group. yuck.
320 pinskingroup = (daliasskingroup_t *)pskintype;
321 groupskins = LittleLong (pinskingroup->numskins);
322 pinskinintervals = (daliasskininterval_t *)(pinskingroup + 1);
324 pskintype = (void *)(pinskinintervals + groupskins);
326 for (j = 0;j < groupskins;j++)
328 if (bytesperpixel == 1)
329 Mod_FloodFillSkin( skin, pheader->skinwidth, pheader->skinheight );
332 texels = Hunk_AllocName(s, loadname);
333 pheader->texels[i] = texels - (byte *)pheader;
334 memcpy (texels, (byte *)(pskintype), s);
336 sprintf (name, "%s_%i_%i", loadmodel->name, i,j);
337 pheader->gl_texturenum[i][j&3] =
338 GL_LoadTexture (name, pheader->skinwidth, pheader->skinheight, (byte *)(pskintype), true, false, bytesperpixel);
339 pskintype = (daliasskintype_t *)((byte *)(pskintype) + s);
343 pheader->gl_texturenum[i][j&3] = pheader->gl_texturenum[i][j - k];
347 return (void *)pskintype;
350 //=========================================================================
352 //void GL_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr);
359 #define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid VALUE (%d exceeds %d - %d)\n", mod->name, VALUE, MIN, MAX);
360 #define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid VALUE (%g exceeds %g - %g)\n", mod->name, VALUE, MIN, MAX);
361 void Mod_LoadAliasModel (model_t *mod, void *buffer)
363 int i, j, version, numframes, size, start, end, total;
365 stvert_t *pinstverts;
366 dtriangle_t *pintriangles;
367 daliasframetype_t *pframetype;
368 daliasskintype_t *pskintype;
369 // LordHavoc: 32bit textures
371 unsigned short *poutvertindices;
372 float *pouttexcoords, scales, scalet;
375 start = Hunk_LowMark ();
378 temptris = malloc(sizeof(temptris_t) * MD2MAX_TRIANGLES);
380 pinmodel = (mdl_t *)buffer;
382 version = LittleLong (pinmodel->version);
383 if (version != ALIAS_VERSION && version != ALIAS32_VERSION)
384 Host_Error ("%s has wrong version number (%i should be %i or %i)",
385 mod->name, version, ALIAS_VERSION, ALIAS32_VERSION);
387 mod->type = ALIASTYPE_MDL;
390 // allocate space for a working header, plus all the data except the frames,
391 // skin and group info
393 // size = sizeof (aliashdr_t) + (LittleLong (pinmodel->numframes) - 1) * sizeof (pinmodel->frames[0]));
394 size = sizeof (aliashdr_t);
395 size += LittleLong (pinmodel->numverts) * sizeof(float[2][2]);
396 size += LittleLong (pinmodel->numtris) * sizeof(unsigned short[3]);
397 size += LittleLong (pinmodel->numframes) * (sizeof(trivert2) * LittleLong (pinmodel->numverts) + sizeof(maliasframedesc_t));
398 BOUNDI(size,256,4194304);
399 pheader = Hunk_AllocName (size, loadname);
401 mod->flags = LittleLong (pinmodel->flags);
402 mod->type = mod_alias;
404 // endian-adjust and copy the data, starting with the alias model header
405 pheader->boundingradius = LittleFloat (pinmodel->boundingradius);
406 BOUNDF(pheader->boundingradius,0,65536);
407 pheader->numskins = LittleLong (pinmodel->numskins);
408 BOUNDI(pheader->numskins,0,256);
409 pheader->skinwidth = LittleLong (pinmodel->skinwidth);
410 BOUNDI(pheader->skinwidth,0,4096);
411 pheader->skinheight = LittleLong (pinmodel->skinheight);
412 BOUNDI(pheader->skinheight,0,1024);
413 //LordHavoc: 32bit textures
414 bytesperpixel = version == ALIAS32_VERSION ? 4 : 1;
416 // if (pheader->skinheight > MAX_LBM_HEIGHT)
417 // Host_Error ("model %s has a skin taller than %d", mod->name, MAX_LBM_HEIGHT);
419 pheader->numverts = LittleLong (pinmodel->numverts);
420 BOUNDI(pheader->numverts,0,MAXALIASVERTS);
422 if (pheader->numverts <= 0)
423 Host_Error ("model %s has no vertices", mod->name);
424 if (pheader->numverts > MAXALIASVERTS)
425 Host_Error ("model %s has too many vertices", mod->name);
428 pheader->numtris = LittleLong (pinmodel->numtris);
429 BOUNDI(pheader->numtris,0,65536);
430 // if (pheader->numtris <= 0)
431 // Host_Error ("model %s has no triangles", mod->name);
433 pheader->numframes = LittleLong (pinmodel->numframes);
434 BOUNDI(pheader->numframes,0,65536);
435 numframes = pheader->numframes;
436 // if (numframes < 1)
437 // Host_Error ("Mod_LoadAliasModel: Invalid # of frames: %d\n", numframes);
439 pheader->size = LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO;
440 BOUNDF(pheader->size,0,65536);
441 mod->synctype = LittleLong (pinmodel->synctype);
442 BOUNDI(pheader->synctype,0,2);
443 mod->numframes = pheader->numframes;
445 for (i=0 ; i<3 ; i++)
447 pheader->scale[i] = LittleFloat (pinmodel->scale[i]);
448 BOUNDF(pheader->scale[i],0,65536);
449 pheader->scale_origin[i] = LittleFloat (pinmodel->scale_origin[i]);
450 BOUNDF(pheader->scale_origin[i],-65536,65536);
451 pheader->eyeposition[i] = LittleFloat (pinmodel->eyeposition[i]);
452 BOUNDF(pheader->eyeposition[i],-65536,65536);
456 pskintype = (daliasskintype_t *)&pinmodel[1];
457 pskintype = Mod_LoadAllSkins (pheader->numskins, pskintype, bytesperpixel);
459 // load base s and t vertices
460 pinstverts = (stvert_t *)pskintype;
461 pouttexcoords = (float *)&pheader->frames[numframes];
462 pheader->texcoords = (int) pouttexcoords - (int) pheader;
464 // LordHavoc: byteswap and convert stvert data
465 scales = 1.0 / pheader->skinwidth;
466 scalet = 1.0 / pheader->skinheight;
467 for (i = 0;i < pheader->numverts;i++)
469 pouttexcoords[i*2] = LittleLong (pinstverts[i].s) * scales;
470 pouttexcoords[i*2+1] = LittleLong (pinstverts[i].t) * scalet;
471 pouttexcoords[(i+pheader->numverts)*2] = LittleLong (pinstverts[i].s) * scales + 0.5;
472 pouttexcoords[(i+pheader->numverts)*2+1] = LittleLong (pinstverts[i].t) * scalet;
473 if (pouttexcoords[i*2] >= 0.5) // already a back side coordinate
475 pouttexcoords[i*2] -= 0.5;
476 pouttexcoords[(i+pheader->numverts)*2] -= 0.5;
478 BOUNDF(pouttexcoords[i*2],0,1);
479 BOUNDF(pouttexcoords[i*2+1],0,1);
480 BOUNDF(pouttexcoords[(i+pheader->numverts)*2],0,1);
481 BOUNDF(pouttexcoords[(i+pheader->numverts)*2+1],0,1);
484 // load triangle data
485 pintriangles = (dtriangle_t *)&pinstverts[pheader->numverts];
486 poutvertindices = (unsigned short *)&pouttexcoords[pheader->numverts*4];
487 pheader->vertindices = (int) poutvertindices - (int) pheader;
488 // LordHavoc: sort triangles into front and back lists
489 // so they can be drawn refering to different texture coordinate arrays,
490 // but sharing vertex data
491 pheader->frontfaces = 0;
492 pheader->backfaces = 0;
494 for (i=0 ; i<pheader->numtris ; i++)
496 if (LittleLong(pintriangles[i].facesfront))
498 pheader->frontfaces++;
499 for (j=0 ; j<3 ; j++)
500 *poutvertindices++ = LittleLong (pintriangles[i].vertindex[j]);
502 for (j=0 ; j<3 ; j++)
503 tris->v[j] = LittleLong (pintriangles[i].vertindex[j]);
506 for (i=0 ; i<pheader->numtris ; i++)
508 if (!LittleLong(pintriangles[i].facesfront))
510 pheader->backfaces++;
511 for (j=0 ; j<3 ; j++)
512 *poutvertindices++ = LittleLong (pintriangles[i].vertindex[j]);
518 pheader->posedata = (int) poutvertindices - (int) pheader;
519 pframetype = (daliasframetype_t *)&pintriangles[pheader->numtris];
521 // LordHavoc: doing proper bbox for model
522 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
523 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
525 for (i=0 ; i<numframes ; i++)
527 aliasframetype_t frametype;
529 frametype = LittleLong (pframetype->type);
531 if (frametype == ALIAS_SINGLE)
532 pframetype = (daliasframetype_t *) Mod_LoadAliasFrame (pframetype + 1, &pheader->frames[i]);
534 pframetype = (daliasframetype_t *) Mod_LoadAliasGroup (pframetype + 1, &pheader->frames[i]);
537 pheader->numposes = posenum;
539 // LordHavoc: fixed model bbox - was //FIXME: do this right
540 //mod->mins[0] = mod->mins[1] = mod->mins[2] = -16;
541 //mod->maxs[0] = mod->maxs[1] = mod->maxs[2] = 16;
542 for (j = 0;j < 3;j++)
544 mod->mins[j] = aliasbboxmin[j];
545 mod->maxs[j] = aliasbboxmax[j];
548 // move the complete, relocatable alias model to the cache
549 end = Hunk_LowMark ();
552 Cache_Alloc (&mod->cache, total, loadname);
553 if (!mod->cache.data)
555 memcpy (mod->cache.data, pheader, total);
557 Hunk_FreeToLowMark (start);
565 int loadtextureimage (int texnum, char* filename, qboolean complain, int matchwidth, int matchheight);
566 void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
568 int i, j, version, size, *pinglcmd, *poutglcmd, start, end, total, framesize;
571 md2triangle_t *pintriangles, *pouttriangles;
572 md2frame_t *pinframe;
573 md2memframe_t *poutframe;
577 start = Hunk_LowMark ();
580 temptris = malloc(sizeof(temptris_t) * MD2MAX_TRIANGLES);
582 pinmodel = (md2_t *)buffer;
584 version = LittleLong (pinmodel->version);
585 if (version != MD2ALIAS_VERSION)
586 Host_Error ("%s has wrong version number (%i should be %i)",
587 mod->name, version, MD2ALIAS_VERSION);
589 mod->type = mod_alias;
590 mod->aliastype = ALIASTYPE_MD2;
592 framesize = sizeof(md2memframe_t) + LittleLong(pinmodel->num_xyz) * sizeof(trivert2);
593 // LordHavoc: calculate size for in memory version
594 size = sizeof(md2mem_t)
595 + LittleLong(pinmodel->num_st) * sizeof(md2stvert_t)
596 + LittleLong(pinmodel->num_tris) * sizeof(md2triangle_t)
597 + LittleLong(pinmodel->num_frames) * framesize
598 + LittleLong(pinmodel->num_glcmds) * sizeof(int);
599 if (size <= 0 || size >= MD2MAX_SIZE)
600 Host_Error ("%s is not a valid model", mod->name);
601 pheader = Hunk_AllocName (size, loadname);
603 mod->flags = 0; // there are no MD2 flags
604 mod->numframes = LittleLong(pinmodel->num_frames);
605 mod->synctype = ST_RAND;
607 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= LittleLong(pinmodel->ofs_end)))
608 Host_Error ("%s is not a valid model", mod->name);
609 if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= LittleLong(pinmodel->ofs_end))
610 Host_Error ("%s is not a valid model", mod->name);
611 if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= LittleLong(pinmodel->ofs_end))
612 Host_Error ("%s is not a valid model", mod->name);
613 if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= LittleLong(pinmodel->ofs_end))
614 Host_Error ("%s is not a valid model", mod->name);
615 if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= LittleLong(pinmodel->ofs_end))
616 Host_Error ("%s is not a valid model", mod->name);
618 if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > MD2MAX_TRIANGLES)
619 Host_Error ("%s has invalid number of triangles: %i", mod->name, LittleLong(pinmodel->num_tris));
620 if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > MD2MAX_VERTS)
621 Host_Error ("%s has invalid number of vertices: %i", mod->name, LittleLong(pinmodel->num_xyz));
622 if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > 256) //MD2MAX_FRAMES)
623 Host_Error ("%s has invalid number of frames: %i", mod->name, LittleLong(pinmodel->num_frames));
624 if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > MD2MAX_SKINS)
625 Host_Error ("%s has invalid number of skins: %i", mod->name, LittleLong(pinmodel->num_skins));
627 pheader->framesize = framesize;
628 pheader->num_skins = LittleLong(pinmodel->num_skins);
629 pheader->num_xyz = LittleLong(pinmodel->num_xyz);
630 pheader->num_st = LittleLong(pinmodel->num_st);
631 pheader->num_tris = LittleLong(pinmodel->num_tris);
632 pheader->num_frames = LittleLong(pinmodel->num_frames);
633 pheader->num_glcmds = LittleLong(pinmodel->num_glcmds);
636 if (pheader->num_skins)
638 pinskins = (void*)((int) pinmodel + LittleLong(pinmodel->ofs_skins));
639 for (i = 0;i < pheader->num_skins;i++)
641 pheader->gl_texturenum[i] = loadtextureimage (-1, pinskins, TRUE, 0, 0);
642 pinskins += MD2MAX_SKINNAME;
647 pintriangles = (void*)((int) pinmodel + LittleLong(pinmodel->ofs_tris));
648 pouttriangles = (void*)&pheader[1];
649 pheader->ofs_tris = (int) pouttriangles - (int) pheader;
651 // swap the triangle list
652 for (i=0 ; i<pheader->num_tris ; i++)
654 for (j=0 ; j<3 ; j++)
656 tris->v[j] = pouttriangles->index_xyz[j] = LittleShort (pintriangles->index_xyz[j]);
657 pouttriangles->index_st[j] = LittleShort (pintriangles->index_st[j]);
658 if (pouttriangles->index_xyz[j] >= pheader->num_xyz)
659 Host_Error ("%s has invalid vertex indices", mod->name);
660 if (pouttriangles->index_st[j] >= pheader->num_st)
661 Host_Error ("%s has invalid vertex indices", mod->name);
668 // LordHavoc: doing proper bbox for model
669 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
670 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
673 pinframe = (void*) ((int) pinmodel + LittleLong(pinmodel->ofs_frames));
674 poutframe = (void*) pouttriangles;
675 pheader->ofs_frames = (int) poutframe - (int) pheader;
676 for (i=0 ; i<pheader->num_frames ; i++)
678 for (j = 0;j < 3;j++)
680 poutframe->scale[j] = LittleFloat(pinframe->scale[j]);
681 poutframe->translate[j] = LittleFloat(pinframe->translate[j]);
683 Mod_ConvertAliasVerts (pheader->num_xyz, pheader->num_tris, poutframe->scale, poutframe->translate, &pinframe->verts[0], &poutframe->verts[0]);
684 pinframe = (void*) &pinframe->verts[j];
685 poutframe = (void*) &poutframe->verts[j];
688 // LordHavoc: model bbox
689 for (j = 0;j < 3;j++)
691 mod->mins[j] = aliasbboxmin[j];
692 mod->maxs[j] = aliasbboxmax[j];
695 // load the draw list
696 pinglcmd = (void*) ((int) pinmodel + LittleLong(pinmodel->ofs_glcmds));
697 poutglcmd = (void*) poutframe;
698 pheader->ofs_glcmds = (int) poutglcmd - (int) pheader;
699 for (i = 0;i < pheader->num_glcmds;i++)
700 *poutglcmd++ = LittleLong(*pinglcmd++);
702 // move the complete, relocatable alias model to the cache
703 end = Hunk_LowMark ();
706 Cache_Alloc (&mod->cache, total, loadname);
707 if (!mod->cache.data)
709 memcpy (mod->cache.data, pheader, total);
711 Hunk_FreeToLowMark (start);