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 static cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0"};
27 void Mod_AliasInit (void)
29 Cvar_RegisterVariable(&r_mipskins);
32 static void Mod_CalcAliasModelBBoxes (void)
35 float dist, yawradius, radius;
38 VectorClear(loadmodel->normalmins);
39 VectorClear(loadmodel->normalmaxs);
42 for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
44 for (vnum = 0, v = mesh->data_aliasvertex3f;vnum < mesh->num_vertices * mesh->num_frames;vnum++, v += 3)
46 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
47 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
48 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
49 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
50 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
51 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
52 dist = v[0] * v[0] + v[1] * v[1];
60 radius = sqrt(radius);
61 yawradius = sqrt(yawradius);
62 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
63 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
64 loadmodel->yawmins[2] = loadmodel->normalmins[2];
65 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
66 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
67 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
68 loadmodel->radius = radius;
69 loadmodel->radius2 = radius * radius;
72 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
76 for (i = 0;i < inverts;i++)
78 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
80 temp[0] = v[i].v[0] * scale[0] + translate[0];
81 temp[1] = v[i].v[1] * scale[1] + translate[1];
82 temp[2] = v[i].v[2] * scale[2] + translate[2];
83 j = vertremap[i]; // not onseam
85 VectorCopy(temp, out3f + j * 3);
86 j = vertremap[i+inverts]; // onseam
88 VectorCopy(temp, out3f + j * 3);
92 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
94 int i, f, pose, groupframes;
96 daliasframetype_t *pframetype;
97 daliasframe_t *pinframe;
99 daliasinterval_t *intervals;
102 scene = loadmodel->animscenes;
103 for (f = 0;f < loadmodel->numframes;f++)
105 pframetype = (daliasframetype_t *)datapointer;
106 datapointer += sizeof(daliasframetype_t);
107 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
109 // a single frame is still treated as a group
116 group = (daliasgroup_t *)datapointer;
117 datapointer += sizeof(daliasgroup_t);
118 groupframes = LittleLong (group->numframes);
120 // intervals (time per frame)
121 intervals = (daliasinterval_t *)datapointer;
122 datapointer += sizeof(daliasinterval_t) * groupframes;
124 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
125 if (interval < 0.01f)
126 Host_Error("Mod_MDL_LoadFrames: invalid interval");
129 // get scene name from first frame
130 pinframe = (daliasframe_t *)datapointer;
132 strcpy(scene->name, pinframe->name);
133 scene->firstframe = pose;
134 scene->framecount = groupframes;
135 scene->framerate = 1.0f / interval;
140 for (i = 0;i < groupframes;i++)
142 pinframe = (daliasframe_t *)datapointer;
143 datapointer += sizeof(daliasframe_t);
144 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
145 Mod_BuildTextureVectorsAndNormals(loadmodel->alias.aliasdata_meshes->num_vertices, loadmodel->alias.aliasdata_meshes->num_triangles, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_texcoord2f, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->data_aliassvector3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_aliastvector3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_aliasnormal3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3);
146 datapointer += sizeof(trivertx_t) * inverts;
152 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
153 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
157 memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
158 layer = mod_alias_layersbuffer;
159 layer->flags = ALIASLAYER_SPECULAR;
160 layer->texture = skinframe->gloss;
161 layer->nmap = skinframe->nmap;
163 if (skinframe->merged != NULL)
165 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
166 layer->texture = skinframe->merged;
167 layer->nmap = skinframe->nmap;
170 if (skinframe->base != NULL)
172 layer->flags = ALIASLAYER_DIFFUSE;
173 if (skinframe->merged != NULL)
174 layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
175 layer->texture = skinframe->base;
176 layer->nmap = skinframe->nmap;
179 if (skinframe->pants != NULL)
181 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
182 layer->texture = skinframe->pants;
183 layer->nmap = skinframe->nmap;
186 if (skinframe->shirt != NULL)
188 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
189 layer->texture = skinframe->shirt;
190 layer->nmap = skinframe->nmap;
194 if (skinframe->glow != NULL)
197 layer->texture = skinframe->glow;
201 layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
202 layer->texture = skinframe->fog;
206 // fog texture only exists if some pixels are transparent...
207 if (skinframe->fog != NULL)
208 skin->flags |= ALIASSKIN_TRANSPARENT;
210 skin->num_layers = layer - mod_alias_layersbuffer;
211 skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
212 memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
215 #define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%d exceeds %d - %d)\n", loadmodel->name, VALUE, MIN, MAX);
216 #define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%f exceeds %f - %f)\n", loadmodel->name, VALUE, MIN, MAX);
217 extern void R_Model_Alias_Draw(entity_render_t *ent);
218 extern void R_Model_Alias_DrawFakeShadow(entity_render_t *ent);
219 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
220 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
221 void Mod_IDP0_Load(model_t *mod, void *buffer)
223 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
224 float scales, scalet, scale[3], translate[3], interval;
226 stvert_t *pinstverts;
227 dtriangle_t *pintriangles;
228 daliasskintype_t *pinskintype;
229 daliasskingroup_t *pinskingroup;
230 daliasskininterval_t *pinskinintervals;
231 daliasframetype_t *pinframetype;
232 daliasgroup_t *pinframegroup;
233 qbyte *datapointer, *startframes, *startskins;
234 char name[MAX_QPATH];
235 skinframe_t tempskinframe;
236 animscene_t *tempskinscenes;
237 skinframe_t *tempskinframes;
239 int *vertonseam, *vertremap;
241 datapointer = buffer;
242 pinmodel = (mdl_t *)datapointer;
243 datapointer += sizeof(mdl_t);
245 version = LittleLong (pinmodel->version);
246 if (version != ALIAS_VERSION)
247 Host_Error ("%s has wrong version number (%i should be %i)",
248 loadmodel->name, version, ALIAS_VERSION);
250 loadmodel->type = mod_alias;
251 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
252 loadmodel->DrawSky = NULL;
253 loadmodel->Draw = R_Model_Alias_Draw;
254 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
255 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
256 loadmodel->DrawLight = R_Model_Alias_DrawLight;
258 loadmodel->alias.aliasnum_meshes = 1;
259 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
261 loadmodel->numskins = LittleLong(pinmodel->numskins);
262 BOUNDI(loadmodel->numskins,0,256);
263 skinwidth = LittleLong (pinmodel->skinwidth);
264 BOUNDI(skinwidth,0,4096);
265 skinheight = LittleLong (pinmodel->skinheight);
266 BOUNDI(skinheight,0,4096);
267 numverts = LittleLong(pinmodel->numverts);
268 BOUNDI(numverts,0,65536);
269 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
270 BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536 / 3); // max elements limit, rather than max triangles limit
271 loadmodel->numframes = LittleLong(pinmodel->numframes);
272 BOUNDI(loadmodel->numframes,0,65536);
273 loadmodel->synctype = LittleLong (pinmodel->synctype);
274 BOUNDI(loadmodel->synctype,0,2);
275 loadmodel->flags = LittleLong (pinmodel->flags);
277 for (i = 0;i < 3;i++)
279 scale[i] = LittleFloat (pinmodel->scale[i]);
280 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
283 startskins = datapointer;
285 for (i = 0;i < loadmodel->numskins;i++)
287 pinskintype = (daliasskintype_t *)datapointer;
288 datapointer += sizeof(daliasskintype_t);
289 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
293 pinskingroup = (daliasskingroup_t *)datapointer;
294 datapointer += sizeof(daliasskingroup_t);
295 groupskins = LittleLong(pinskingroup->numskins);
296 datapointer += sizeof(daliasskininterval_t) * groupskins;
299 for (j = 0;j < groupskins;j++)
301 datapointer += skinwidth * skinheight;
306 pinstverts = (stvert_t *)datapointer;
307 datapointer += sizeof(stvert_t) * numverts;
309 pintriangles = (dtriangle_t *)datapointer;
310 datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
312 startframes = datapointer;
313 loadmodel->alias.aliasdata_meshes->num_frames = 0;
314 for (i = 0;i < loadmodel->numframes;i++)
316 pinframetype = (daliasframetype_t *)datapointer;
317 datapointer += sizeof(daliasframetype_t);
318 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
322 pinframegroup = (daliasgroup_t *)datapointer;
323 datapointer += sizeof(daliasgroup_t);
324 groupframes = LittleLong(pinframegroup->numframes);
325 datapointer += sizeof(daliasinterval_t) * groupframes;
328 for (j = 0;j < groupframes;j++)
330 datapointer += sizeof(daliasframe_t);
331 datapointer += sizeof(trivertx_t) * numverts;
332 loadmodel->alias.aliasdata_meshes->num_frames++;
337 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
338 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, totalskins * sizeof(skinframe_t));
340 datapointer = startskins;
341 for (i = 0;i < loadmodel->numskins;i++)
343 pinskintype = (daliasskintype_t *)datapointer;
344 datapointer += sizeof(daliasskintype_t);
346 if (pinskintype->type == ALIAS_SKIN_SINGLE)
353 pinskingroup = (daliasskingroup_t *)datapointer;
354 datapointer += sizeof(daliasskingroup_t);
356 groupskins = LittleLong (pinskingroup->numskins);
358 pinskinintervals = (daliasskininterval_t *)datapointer;
359 datapointer += sizeof(daliasskininterval_t) * groupskins;
361 interval = LittleFloat(pinskinintervals[0].interval);
362 if (interval < 0.01f)
363 Host_Error("Mod_IDP0_Load: invalid interval\n");
366 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
367 loadmodel->skinscenes[i].firstframe = totalskins;
368 loadmodel->skinscenes[i].framecount = groupskins;
369 loadmodel->skinscenes[i].framerate = 1.0f / interval;
370 loadmodel->skinscenes[i].loop = true;
372 for (j = 0;j < groupskins;j++)
375 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
377 sprintf (name, "%s_%i", loadmodel->name, i);
378 if (!Mod_LoadSkinFrame(loadmodel->skinframes + totalskins, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
379 Mod_LoadSkinFrame_Internal(loadmodel->skinframes + totalskins, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true, (qbyte *)datapointer, skinwidth, skinheight);
380 datapointer += skinwidth * skinheight;
384 // check for skins that don't exist in the model, but do exist as external images
385 // (this was added because yummyluv kept pestering me about support for it)
388 sprintf (name, "%s_%i", loadmodel->name, loadmodel->numskins);
389 if (Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
391 // expand the arrays to make room
392 tempskinscenes = loadmodel->skinscenes;
393 tempskinframes = loadmodel->skinframes;
394 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
395 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(skinframe_t));
396 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
397 memcpy(loadmodel->skinframes, tempskinframes, totalskins * sizeof(skinframe_t));
398 Mem_Free(tempskinscenes);
399 Mem_Free(tempskinframes);
400 // store the info about the new skin
401 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
402 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
403 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
404 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
405 loadmodel->skinscenes[loadmodel->numskins].loop = true;
406 loadmodel->skinframes[totalskins] = tempskinframe;
407 loadmodel->numskins++;
414 loadmodel->alias.aliasdata_meshes->num_skins = 0;
415 for (i = 0;i < loadmodel->numskins;i++)
416 loadmodel->alias.aliasdata_meshes->num_skins += loadmodel->skinscenes[i].framecount;
417 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
419 // store texture coordinates into temporary array, they will be stored
420 // after usage is determined (triangle data)
421 vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
422 vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
423 vertonseam = vertremap + numverts * 2;
425 scales = 1.0 / skinwidth;
426 scalet = 1.0 / skinheight;
427 for (i = 0;i < numverts;i++)
429 vertonseam[i] = LittleLong(pinstverts[i].onseam);
430 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
431 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
432 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
433 vertst[(i+numverts)*2+1] = vertst[i*2+1];
436 // load triangle data
437 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
439 // read the triangle elements
440 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
441 for (j = 0;j < 3;j++)
442 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
443 // validate (note numverts is used because this is the original data)
444 Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
445 // now butcher the elements according to vertonseam and tri->facesfront
446 // and then compact the vertex set to remove duplicates
447 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
448 if (!LittleLong(pintriangles[i].facesfront)) // backface
449 for (j = 0;j < 3;j++)
450 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
451 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
453 // (this uses vertremap to count usage to save some memory)
454 for (i = 0;i < numverts*2;i++)
456 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
457 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
458 // build remapping table and compact array
459 loadmodel->alias.aliasdata_meshes->num_vertices = 0;
460 for (i = 0;i < numverts*2;i++)
464 vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
465 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
466 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
467 loadmodel->alias.aliasdata_meshes->num_vertices++;
470 vertremap[i] = -1; // not used at all
472 // remap the elements to the new vertex set
473 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
474 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
475 // store the texture coordinates
476 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
477 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
479 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
480 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
484 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
485 loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[4][3]) * loadmodel->alias.aliasdata_meshes->num_frames * loadmodel->alias.aliasdata_meshes->num_vertices);
486 loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + loadmodel->alias.aliasdata_meshes->num_frames * loadmodel->alias.aliasdata_meshes->num_vertices * 3 * 1;
487 loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + loadmodel->alias.aliasdata_meshes->num_frames * loadmodel->alias.aliasdata_meshes->num_vertices * 3 * 2;
488 loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + loadmodel->alias.aliasdata_meshes->num_frames * loadmodel->alias.aliasdata_meshes->num_vertices * 3 * 3;
489 Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
490 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
491 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
492 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_skins;i++)
493 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, loadmodel->skinframes + i);
494 Mod_CalcAliasModelBBoxes();
500 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
504 for (i = 0;i < numverts;i++, out3f += 3)
506 in = v + vertremap[i];
507 out3f[0] = in->v[0] * scale[0] + translate[0];
508 out3f[1] = in->v[1] * scale[1] + translate[1];
509 out3f[2] = in->v[2] * scale[2] + translate[2];
513 void Mod_IDP2_Load(model_t *mod, void *buffer)
515 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
516 float *stverts, s, t, scale[3], translate[3];
518 qbyte *base, *datapointer;
519 md2frame_t *pinframe;
521 md2triangle_t *intri;
522 unsigned short *inst;
525 struct md2verthash_s *next;
529 *hash, **md2verthash, *md2verthashdata;
534 version = LittleLong (pinmodel->version);
535 if (version != MD2ALIAS_VERSION)
536 Host_Error ("%s has wrong version number (%i should be %i)",
537 loadmodel->name, version, MD2ALIAS_VERSION);
539 loadmodel->type = mod_alias;
540 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
541 loadmodel->DrawSky = NULL;
542 loadmodel->Draw = R_Model_Alias_Draw;
543 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
544 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
545 loadmodel->DrawLight = R_Model_Alias_DrawLight;
547 if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > (65536 / 3))
548 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
549 if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > 65536)
550 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
551 if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > 65536)
552 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
553 if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > 256)
554 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
556 end = LittleLong(pinmodel->ofs_end);
557 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
558 Host_Error ("%s is not a valid model", loadmodel->name);
559 if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
560 Host_Error ("%s is not a valid model", loadmodel->name);
561 if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
562 Host_Error ("%s is not a valid model", loadmodel->name);
563 if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
564 Host_Error ("%s is not a valid model", loadmodel->name);
565 if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
566 Host_Error ("%s is not a valid model", loadmodel->name);
568 loadmodel->alias.aliasnum_meshes = 1;
569 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
571 loadmodel->numskins = LittleLong(pinmodel->num_skins);
572 numxyz = LittleLong(pinmodel->num_xyz);
573 numst = LittleLong(pinmodel->num_st);
574 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
575 loadmodel->numframes = LittleLong(pinmodel->num_frames);
576 loadmodel->alias.aliasdata_meshes->num_frames = loadmodel->numframes;
577 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
579 loadmodel->flags = 0; // there are no MD2 flags
580 loadmodel->synctype = ST_RAND;
583 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
584 if (loadmodel->numskins)
586 // skins found (most likely not a player model)
587 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, sizeof(skinframe_t) * loadmodel->numskins);
588 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
589 Mod_LoadSkinFrame(loadmodel->skinframes + i, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true);
593 // no skins (most likely a player model)
594 loadmodel->numskins = 1;
595 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, sizeof(skinframe_t) * loadmodel->numskins);
597 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
598 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
600 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
601 for (i = 0;i < loadmodel->numskins;i++)
603 loadmodel->skinscenes[i].firstframe = i;
604 loadmodel->skinscenes[i].framecount = 1;
605 loadmodel->skinscenes[i].loop = true;
606 loadmodel->skinscenes[i].framerate = 10;
610 // load the triangles and stvert data
611 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
612 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
613 skinwidth = LittleLong(pinmodel->skinwidth);
614 skinheight = LittleLong(pinmodel->skinheight);
616 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
617 s = 1.0f / skinwidth;
618 t = 1.0f / skinheight;
619 for (i = 0;i < numst;i++)
621 j = (unsigned short) LittleShort(inst[i*2+0]);
622 k = (unsigned short) LittleShort(inst[i*2+1]);
623 if (j >= skinwidth || k >= skinheight)
626 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
628 stverts[i*2+0] = j * s;
629 stverts[i*2+1] = k * t;
632 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
633 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
634 // swap the triangle list
636 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
637 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
639 for (j = 0;j < 3;j++)
641 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
642 st = (unsigned short) LittleShort (intri[i].index_st[j]);
643 if (xyz >= numxyz || st >= numst)
645 Mem_Free(md2verthash);
646 Mem_Free(md2verthashdata);
649 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
651 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
655 hashindex = (xyz * 17 + st) & 255;
656 for (hash = md2verthash[hashindex];hash;hash = hash->next)
657 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
661 hash = md2verthashdata + num++;
665 hash->next = md2verthash[hashindex];
666 md2verthash[hashindex] = hash;
668 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
675 loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
676 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
677 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
678 for (i = 0;i < num;i++)
680 hash = md2verthashdata + i;
681 vertremap[i] = hash->xyz;
682 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
683 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
686 Mem_Free(md2verthash);
687 Mem_Free(md2verthashdata);
690 datapointer = (base + LittleLong(pinmodel->ofs_frames));
691 loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_frames * sizeof(float[4][3]));
692 loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 1;
693 loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 2;
694 loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 3;
695 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_frames;i++)
697 pinframe = (md2frame_t *)datapointer;
698 datapointer += sizeof(md2frame_t);
699 for (j = 0;j < 3;j++)
701 scale[j] = LittleFloat(pinframe->scale[j]);
702 translate[j] = LittleFloat(pinframe->translate[j]);
704 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * numverts * 3, numverts, vertremap);
705 Mod_BuildTextureVectorsAndNormals(loadmodel->alias.aliasdata_meshes->num_vertices, loadmodel->alias.aliasdata_meshes->num_triangles, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_texcoord2f, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->data_aliassvector3f + i * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_aliastvector3f + i * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_aliasnormal3f + i * loadmodel->alias.aliasdata_meshes->num_vertices * 3);
706 datapointer += numxyz * sizeof(trivertx_t);
708 strcpy(loadmodel->animscenes[i].name, pinframe->name);
709 loadmodel->animscenes[i].firstframe = i;
710 loadmodel->animscenes[i].framecount = 1;
711 loadmodel->animscenes[i].framerate = 10;
712 loadmodel->animscenes[i].loop = true;
717 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
718 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
719 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_skins;i++)
720 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, loadmodel->skinframes + i);
721 Mod_CalcAliasModelBBoxes();
724 void Mod_IDP3_Load(model_t *mod, void *buffer)
727 md3modelheader_t *pinmodel;
728 md3frameinfo_t *pinframe;
731 skinframe_t tempskinframe;
735 if (memcmp(pinmodel->identifier, "IDP3", 4))
736 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
737 version = LittleLong (pinmodel->version);
738 if (version != MD3VERSION)
739 Host_Error ("%s has wrong version number (%i should be %i)",
740 loadmodel->name, version, MD3VERSION);
742 loadmodel->type = mod_alias;
743 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
744 loadmodel->DrawSky = NULL;
745 loadmodel->Draw = R_Model_Alias_Draw;
746 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
747 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
748 loadmodel->DrawLight = R_Model_Alias_DrawLight;
749 loadmodel->flags = 0;
750 loadmodel->synctype = ST_RAND;
752 // set up some global info about the model
753 loadmodel->numframes = LittleLong(pinmodel->num_frames);
754 loadmodel->numskins = 1;
755 loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
756 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
757 loadmodel->skinscenes[0].firstframe = 0;
758 loadmodel->skinscenes[0].framecount = 1;
759 loadmodel->skinscenes[0].loop = true;
760 loadmodel->skinscenes[0].framerate = 10;
763 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
764 for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
766 strcpy(loadmodel->animscenes[i].name, pinframe->name);
767 loadmodel->animscenes[i].firstframe = i;
768 loadmodel->animscenes[i].framecount = 1;
769 loadmodel->animscenes[i].framerate = 10;
770 loadmodel->animscenes[i].loop = true;
773 // tags are not loaded yet
776 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
777 for (i = 0, pinmesh = (md3mesh_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->alias.aliasnum_meshes;i++, pinmesh = (md3mesh_t *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_end)))
779 if (memcmp(pinmesh->identifier, "IDP3", 4))
780 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
781 mesh = loadmodel->alias.aliasdata_meshes + i;
782 mesh->num_skins = loadmodel->numskins;
783 mesh->num_frames = LittleLong(pinmesh->num_frames);
784 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
785 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
786 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
787 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
788 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
789 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
790 mesh->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(float[4][3]));
791 mesh->data_aliassvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 1;
792 mesh->data_aliastvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 2;
793 mesh->data_aliasnormal3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 3;
794 for (j = 0;j < mesh->num_triangles * 3;j++)
795 mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
796 for (j = 0;j < mesh->num_vertices;j++)
798 mesh->data_texcoord2f[j * 2 + 0] = LittleLong(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
799 mesh->data_texcoord2f[j * 2 + 1] = LittleLong(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
801 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
803 mesh->data_aliasvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
804 mesh->data_aliasvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
805 mesh->data_aliasvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
807 for (j = 0;j < mesh->num_frames;j++)
808 Mod_BuildTextureVectorsAndNormals(mesh->num_vertices, mesh->num_triangles, mesh->data_aliasvertex3f + j * mesh->num_vertices * 3, mesh->data_texcoord2f, mesh->data_element3i, mesh->data_aliassvector3f + j * mesh->num_vertices * 3, mesh->data_aliastvector3f + j * mesh->num_vertices * 3, mesh->data_aliasnormal3f + j * mesh->num_vertices * 3);
810 memset(&tempskinframe, 0, sizeof(tempskinframe));
811 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
812 Mod_LoadSkinFrame(&tempskinframe, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true);
813 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
814 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
815 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins, &tempskinframe);
817 Mod_CalcAliasModelBBoxes();
820 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
821 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
822 extern void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent);
823 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
824 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
825 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
827 zymtype1header_t *pinmodel, *pheader;
830 pinmodel = (void *)buffer;
832 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
833 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
834 if (BigLong(pinmodel->type) != 1)
835 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
837 loadmodel->type = mod_alias;
838 loadmodel->alias.aliastype = ALIASTYPE_ZYM;
839 loadmodel->DrawSky = NULL;
840 loadmodel->Draw = R_Model_Zymotic_Draw;
841 loadmodel->DrawFakeShadow = NULL;//R_Model_Zymotic_DrawFakeShadow;
842 loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
843 loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
847 pheader->type = BigLong(pinmodel->type);
848 pheader->filesize = BigLong(pinmodel->filesize);
849 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
850 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
851 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
852 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
853 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
854 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
855 pheader->radius = BigFloat(pinmodel->radius);
856 pheader->numverts = loadmodel->alias.zymnum_verts = BigLong(pinmodel->numverts);
857 pheader->numtris = loadmodel->alias.zymnum_tris = BigLong(pinmodel->numtris);
858 pheader->numshaders = loadmodel->alias.zymnum_shaders = BigLong(pinmodel->numshaders);
859 pheader->numbones = loadmodel->alias.zymnum_bones = BigLong(pinmodel->numbones);
860 pheader->numscenes = loadmodel->alias.zymnum_scenes = BigLong(pinmodel->numscenes);
861 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
862 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
863 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
864 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
865 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
866 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
867 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
868 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
869 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
870 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
871 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
872 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
873 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
874 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
875 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
876 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
877 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
878 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
880 loadmodel->flags = 0; // there are no flags
881 loadmodel->numframes = pheader->numscenes;
882 loadmodel->synctype = ST_SYNC;
883 //loadmodel->numtris = pheader->numtris;
884 //loadmodel->numverts = 0;
888 float modelradius, corner[2];
890 modelradius = pheader->radius;
891 for (i = 0;i < 3;i++)
893 loadmodel->normalmins[i] = pheader->mins[i];
894 loadmodel->normalmaxs[i] = pheader->maxs[i];
895 loadmodel->rotatedmins[i] = -modelradius;
896 loadmodel->rotatedmaxs[i] = modelradius;
898 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
899 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
900 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
901 if (loadmodel->yawmaxs[0] > modelradius)
902 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
903 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
904 loadmodel->yawmins[2] = loadmodel->normalmins[2];
905 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
906 loadmodel->radius = modelradius;
907 loadmodel->radius2 = modelradius * modelradius;
911 // FIXME: add shaders, and make them switchable shader sets and...
912 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) + sizeof(skinframe_t));
913 loadmodel->skinscenes[0].firstframe = 0;
914 loadmodel->skinscenes[0].framecount = 1;
915 loadmodel->skinscenes[0].loop = true;
916 loadmodel->skinscenes[0].framerate = 10;
917 loadmodel->skinframes = (void *)(loadmodel->skinscenes + 1);
918 loadmodel->numskins = 1;
921 // go through the lumps, swapping things
926 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
927 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
928 scene = (void *) (pheader->lump_scenes.start + pbase);
929 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
930 for (i = 0;i < pheader->numscenes;i++)
932 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
933 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
934 loadmodel->animscenes[i].framecount = BigLong(scene->length);
935 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
936 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
937 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
938 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
939 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
940 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
941 if (loadmodel->animscenes[i].framerate < 0)
942 Host_Error("Mod_ZYMOTICMODEL_Load: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
950 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
951 loadmodel->alias.zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
952 poses = (void *) (pheader->lump_poses.start + pbase);
953 for (i = 0;i < pheader->lump_poses.length / 4;i++)
954 loadmodel->alias.zymdata_poses[i] = BigFloat(poses[i]);
960 // zymlump_t lump_bones; // zymbone_t bone[numbones];
961 loadmodel->alias.zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
962 bone = (void *) (pheader->lump_bones.start + pbase);
963 for (i = 0;i < pheader->numbones;i++)
965 memcpy(loadmodel->alias.zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
966 loadmodel->alias.zymdata_bones[i].flags = BigLong(bone[i].flags);
967 loadmodel->alias.zymdata_bones[i].parent = BigLong(bone[i].parent);
968 if (loadmodel->alias.zymdata_bones[i].parent >= i)
969 Host_Error("Mod_ZYMOTICMODEL_Load: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
975 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
976 loadmodel->alias.zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
977 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
978 for (i = 0;i < pheader->numverts;i++)
980 loadmodel->alias.zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
981 if (loadmodel->alias.zymdata_vertbonecounts[i] < 1)
982 Host_Error("Mod_ZYMOTICMODEL_Load: bone vertex count < 1 in %s\n", loadmodel->name);
988 zymvertex_t *vertdata;
989 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
990 loadmodel->alias.zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
991 vertdata = (void *) (pheader->lump_verts.start + pbase);
992 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
994 loadmodel->alias.zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
995 loadmodel->alias.zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
996 loadmodel->alias.zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
997 loadmodel->alias.zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1003 float *intexcoord2f, *outtexcoord2f;
1004 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1005 loadmodel->alias.zymdata_texcoords = outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1006 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1007 for (i = 0;i < pheader->numverts;i++)
1009 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1010 // flip T coordinate for OpenGL
1011 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1016 int i, count, *renderlist, *renderlistend, *outrenderlist;
1017 // zymlump_t lump_render; // int renderlist[rendersize]; // sorted by shader with run lengths (int count), shaders are sequentially used, each run can be used with glDrawElements (each triangle is 3 int indices)
1018 loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1019 // byteswap, validate, and swap winding order of tris
1020 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1021 if (pheader->lump_render.length != count)
1022 Host_Error("Mod_ZYMOTICMODEL_Load: renderlist is wrong size in %s (is %i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1023 outrenderlist = loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1024 renderlist = (void *) (pheader->lump_render.start + pbase);
1025 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1026 for (i = 0;i < pheader->numshaders;i++)
1028 if (renderlist >= renderlistend)
1029 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1030 count = BigLong(*renderlist);renderlist++;
1031 if (renderlist + count * 3 > renderlistend)
1032 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1033 *outrenderlist++ = count;
1036 outrenderlist[2] = BigLong(renderlist[0]);
1037 outrenderlist[1] = BigLong(renderlist[1]);
1038 outrenderlist[0] = BigLong(renderlist[2]);
1039 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1040 || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1041 || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1042 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1052 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1053 loadmodel->alias.zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1054 shadername = (void *) (pheader->lump_shaders.start + pbase);
1055 for (i = 0;i < pheader->numshaders;i++)
1056 loadmodel->alias.zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1060 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1061 loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1062 memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);