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 void Mod_AliasInit (void)
29 static void Mod_CalcAliasModelBBoxes (void)
32 float dist, yawradius, radius;
35 VectorClear(loadmodel->normalmins);
36 VectorClear(loadmodel->normalmaxs);
39 for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
41 for (vnum = 0, v = mesh->data_aliasvertex3f;vnum < mesh->num_vertices * mesh->num_frames;vnum++, v += 3)
43 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
44 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
45 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
46 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
47 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
48 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
49 dist = v[0] * v[0] + v[1] * v[1];
57 radius = sqrt(radius);
58 yawradius = sqrt(yawradius);
59 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
60 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
61 loadmodel->yawmins[2] = loadmodel->normalmins[2];
62 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
63 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
64 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
65 loadmodel->radius = radius;
66 loadmodel->radius2 = radius * radius;
69 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
73 for (i = 0;i < inverts;i++)
75 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
77 temp[0] = v[i].v[0] * scale[0] + translate[0];
78 temp[1] = v[i].v[1] * scale[1] + translate[1];
79 temp[2] = v[i].v[2] * scale[2] + translate[2];
80 j = vertremap[i]; // not onseam
82 VectorCopy(temp, out3f + j * 3);
83 j = vertremap[i+inverts]; // onseam
85 VectorCopy(temp, out3f + j * 3);
89 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
91 int i, f, pose, groupframes;
93 daliasframetype_t *pframetype;
94 daliasframe_t *pinframe;
96 daliasinterval_t *intervals;
99 scene = loadmodel->animscenes;
100 for (f = 0;f < loadmodel->numframes;f++)
102 pframetype = (daliasframetype_t *)datapointer;
103 datapointer += sizeof(daliasframetype_t);
104 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
106 // a single frame is still treated as a group
113 group = (daliasgroup_t *)datapointer;
114 datapointer += sizeof(daliasgroup_t);
115 groupframes = LittleLong (group->numframes);
117 // intervals (time per frame)
118 intervals = (daliasinterval_t *)datapointer;
119 datapointer += sizeof(daliasinterval_t) * groupframes;
121 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
122 if (interval < 0.01f)
123 Host_Error("Mod_MDL_LoadFrames: invalid interval");
126 // get scene name from first frame
127 pinframe = (daliasframe_t *)datapointer;
129 strcpy(scene->name, pinframe->name);
130 scene->firstframe = pose;
131 scene->framecount = groupframes;
132 scene->framerate = 1.0f / interval;
137 for (i = 0;i < groupframes;i++)
139 pinframe = (daliasframe_t *)datapointer;
140 datapointer += sizeof(daliasframe_t);
141 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
142 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);
143 datapointer += sizeof(trivertx_t) * inverts;
149 static skinframe_t missingskinframe;
150 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
151 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
156 if (skinframe == NULL)
158 skinframe = &missingskinframe;
159 memset(skinframe, 0, sizeof(*skinframe));
160 skinframe->base = r_notexture;
163 memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
164 layer = mod_alias_layersbuffer;
165 layer->flags = ALIASLAYER_SPECULAR;
166 layer->texture = skinframe->gloss;
167 layer->nmap = skinframe->nmap;
169 if (skinframe->merged != NULL)
171 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
172 layer->texture = skinframe->merged;
173 layer->nmap = skinframe->nmap;
176 if (skinframe->base != NULL)
178 layer->flags = ALIASLAYER_DIFFUSE;
179 if (skinframe->merged != NULL)
180 layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
181 layer->texture = skinframe->base;
182 layer->nmap = skinframe->nmap;
185 if (skinframe->pants != NULL)
187 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
188 layer->texture = skinframe->pants;
189 layer->nmap = skinframe->nmap;
192 if (skinframe->shirt != NULL)
194 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
195 layer->texture = skinframe->shirt;
196 layer->nmap = skinframe->nmap;
200 if (skinframe->glow != NULL)
203 layer->texture = skinframe->glow;
207 layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
208 layer->texture = skinframe->fog;
212 // fog texture only exists if some pixels are transparent...
213 if (skinframe->fog != NULL)
214 skin->flags |= ALIASSKIN_TRANSPARENT;
216 skin->num_layers = layer - mod_alias_layersbuffer;
217 skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
218 memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
221 void Mod_BuildAliasSkinsFromSkinFiles(aliasskin_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
224 skinfileitem_t *skinfileitem;
225 skinframe_t tempskinframe;
228 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
230 memset(skin, 0, sizeof(*skin));
231 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
233 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
234 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
236 memset(&tempskinframe, 0, sizeof(tempskinframe));
237 if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
238 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
241 Con_Printf("mesh \"%s\": failed to load skin #%i \"%s\", falling back to mesh's internal shader name \"%s\"\n", meshname, i, skinfileitem->replacement, shadername);
242 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
243 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
246 Con_Printf("failed to load skin \"%s\"\n", shadername);
247 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
256 memset(&tempskinframe, 0, sizeof(tempskinframe));
257 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
258 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
261 Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
262 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
267 #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);
268 #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);
269 extern void R_Model_Alias_Draw(entity_render_t *ent);
270 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
271 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);
272 void Mod_IDP0_Load(model_t *mod, void *buffer)
274 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
275 float scales, scalet, scale[3], translate[3], interval;
277 stvert_t *pinstverts;
278 dtriangle_t *pintriangles;
279 daliasskintype_t *pinskintype;
280 daliasskingroup_t *pinskingroup;
281 daliasskininterval_t *pinskinintervals;
282 daliasframetype_t *pinframetype;
283 daliasgroup_t *pinframegroup;
284 qbyte *datapointer, *startframes, *startskins;
285 char name[MAX_QPATH];
286 skinframe_t tempskinframe;
287 animscene_t *tempskinscenes;
288 aliasskin_t *tempaliasskins;
290 int *vertonseam, *vertremap;
291 skinfile_t *skinfiles;
293 datapointer = buffer;
294 pinmodel = (mdl_t *)datapointer;
295 datapointer += sizeof(mdl_t);
297 version = LittleLong (pinmodel->version);
298 if (version != ALIAS_VERSION)
299 Host_Error ("%s has wrong version number (%i should be %i)",
300 loadmodel->name, version, ALIAS_VERSION);
302 loadmodel->type = mod_alias;
303 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
304 loadmodel->DrawSky = NULL;
305 loadmodel->Draw = R_Model_Alias_Draw;
306 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
307 loadmodel->DrawLight = R_Model_Alias_DrawLight;
309 loadmodel->alias.aliasnum_meshes = 1;
310 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
312 loadmodel->numskins = LittleLong(pinmodel->numskins);
313 BOUNDI(loadmodel->numskins,0,256);
314 skinwidth = LittleLong (pinmodel->skinwidth);
315 BOUNDI(skinwidth,0,4096);
316 skinheight = LittleLong (pinmodel->skinheight);
317 BOUNDI(skinheight,0,4096);
318 numverts = LittleLong(pinmodel->numverts);
319 BOUNDI(numverts,0,65536);
320 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
321 BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536 / 3); // max elements limit, rather than max triangles limit
322 loadmodel->numframes = LittleLong(pinmodel->numframes);
323 BOUNDI(loadmodel->numframes,0,65536);
324 loadmodel->synctype = LittleLong (pinmodel->synctype);
325 BOUNDI(loadmodel->synctype,0,2);
326 loadmodel->flags = LittleLong (pinmodel->flags);
328 for (i = 0;i < 3;i++)
330 scale[i] = LittleFloat (pinmodel->scale[i]);
331 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
334 startskins = datapointer;
336 for (i = 0;i < loadmodel->numskins;i++)
338 pinskintype = (daliasskintype_t *)datapointer;
339 datapointer += sizeof(daliasskintype_t);
340 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
344 pinskingroup = (daliasskingroup_t *)datapointer;
345 datapointer += sizeof(daliasskingroup_t);
346 groupskins = LittleLong(pinskingroup->numskins);
347 datapointer += sizeof(daliasskininterval_t) * groupskins;
350 for (j = 0;j < groupskins;j++)
352 datapointer += skinwidth * skinheight;
357 pinstverts = (stvert_t *)datapointer;
358 datapointer += sizeof(stvert_t) * numverts;
360 pintriangles = (dtriangle_t *)datapointer;
361 datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
363 startframes = datapointer;
364 loadmodel->alias.aliasdata_meshes->num_frames = 0;
365 for (i = 0;i < loadmodel->numframes;i++)
367 pinframetype = (daliasframetype_t *)datapointer;
368 datapointer += sizeof(daliasframetype_t);
369 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
373 pinframegroup = (daliasgroup_t *)datapointer;
374 datapointer += sizeof(daliasgroup_t);
375 groupframes = LittleLong(pinframegroup->numframes);
376 datapointer += sizeof(daliasinterval_t) * groupframes;
379 for (j = 0;j < groupframes;j++)
381 datapointer += sizeof(daliasframe_t);
382 datapointer += sizeof(trivertx_t) * numverts;
383 loadmodel->alias.aliasdata_meshes->num_frames++;
387 // store texture coordinates into temporary array, they will be stored
388 // after usage is determined (triangle data)
389 vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
390 vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
391 vertonseam = vertremap + numverts * 2;
393 scales = 1.0 / skinwidth;
394 scalet = 1.0 / skinheight;
395 for (i = 0;i < numverts;i++)
397 vertonseam[i] = LittleLong(pinstverts[i].onseam);
398 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
399 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
400 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
401 vertst[(i+numverts)*2+1] = vertst[i*2+1];
404 // load triangle data
405 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
407 // read the triangle elements
408 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
409 for (j = 0;j < 3;j++)
410 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
411 // validate (note numverts is used because this is the original data)
412 Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
413 // now butcher the elements according to vertonseam and tri->facesfront
414 // and then compact the vertex set to remove duplicates
415 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
416 if (!LittleLong(pintriangles[i].facesfront)) // backface
417 for (j = 0;j < 3;j++)
418 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
419 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
421 // (this uses vertremap to count usage to save some memory)
422 for (i = 0;i < numverts*2;i++)
424 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
425 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
426 // build remapping table and compact array
427 loadmodel->alias.aliasdata_meshes->num_vertices = 0;
428 for (i = 0;i < numverts*2;i++)
432 vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
433 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
434 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
435 loadmodel->alias.aliasdata_meshes->num_vertices++;
438 vertremap[i] = -1; // not used at all
440 // remap the elements to the new vertex set
441 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
442 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
443 // store the texture coordinates
444 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
445 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
447 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
448 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
452 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
453 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);
454 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;
455 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;
456 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;
457 Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
458 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
459 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
460 Mod_CalcAliasModelBBoxes();
466 if ((skinfiles = Mod_LoadSkinFiles()))
468 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
469 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
470 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
471 Mod_FreeSkinFiles(skinfiles);
472 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
473 for (i = 0;i < loadmodel->numskins;i++)
475 loadmodel->skinscenes[i].firstframe = i;
476 loadmodel->skinscenes[i].framecount = 1;
477 loadmodel->skinscenes[i].loop = true;
478 loadmodel->skinscenes[i].framerate = 10;
483 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
484 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
485 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
487 datapointer = startskins;
488 for (i = 0;i < loadmodel->numskins;i++)
490 pinskintype = (daliasskintype_t *)datapointer;
491 datapointer += sizeof(daliasskintype_t);
493 if (pinskintype->type == ALIAS_SKIN_SINGLE)
500 pinskingroup = (daliasskingroup_t *)datapointer;
501 datapointer += sizeof(daliasskingroup_t);
503 groupskins = LittleLong (pinskingroup->numskins);
505 pinskinintervals = (daliasskininterval_t *)datapointer;
506 datapointer += sizeof(daliasskininterval_t) * groupskins;
508 interval = LittleFloat(pinskinintervals[0].interval);
509 if (interval < 0.01f)
510 Host_Error("Mod_IDP0_Load: invalid interval\n");
513 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
514 loadmodel->skinscenes[i].firstframe = totalskins;
515 loadmodel->skinscenes[i].framecount = groupskins;
516 loadmodel->skinscenes[i].framerate = 1.0f / interval;
517 loadmodel->skinscenes[i].loop = true;
519 for (j = 0;j < groupskins;j++)
522 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
524 sprintf (name, "%s_%i", loadmodel->name, i);
525 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
526 Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true, (qbyte *)datapointer, skinwidth, skinheight);
527 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
528 datapointer += skinwidth * skinheight;
532 // check for skins that don't exist in the model, but do exist as external images
533 // (this was added because yummyluv kept pestering me about support for it)
534 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
536 // expand the arrays to make room
537 tempskinscenes = loadmodel->skinscenes;
538 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
539 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
540 Mem_Free(tempskinscenes);
542 tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
543 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(aliasskin_t));
544 memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(aliasskin_t));
545 Mem_Free(tempaliasskins);
547 // store the info about the new skin
548 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
549 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
550 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
551 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
552 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
553 loadmodel->skinscenes[loadmodel->numskins].loop = true;
555 //increase skin counts
556 loadmodel->alias.aliasdata_meshes->num_skins++;
557 loadmodel->numskins++;
563 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
567 for (i = 0;i < numverts;i++, out3f += 3)
569 in = v + vertremap[i];
570 out3f[0] = in->v[0] * scale[0] + translate[0];
571 out3f[1] = in->v[1] * scale[1] + translate[1];
572 out3f[2] = in->v[2] * scale[2] + translate[2];
576 void Mod_IDP2_Load(model_t *mod, void *buffer)
578 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
579 float *stverts, s, t, scale[3], translate[3];
581 qbyte *base, *datapointer;
582 md2frame_t *pinframe;
584 md2triangle_t *intri;
585 unsigned short *inst;
588 struct md2verthash_s *next;
592 *hash, **md2verthash, *md2verthashdata;
593 skinframe_t tempskinframe;
594 skinfile_t *skinfiles;
599 version = LittleLong (pinmodel->version);
600 if (version != MD2ALIAS_VERSION)
601 Host_Error ("%s has wrong version number (%i should be %i)",
602 loadmodel->name, version, MD2ALIAS_VERSION);
604 loadmodel->type = mod_alias;
605 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
606 loadmodel->DrawSky = NULL;
607 loadmodel->Draw = R_Model_Alias_Draw;
608 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
609 loadmodel->DrawLight = R_Model_Alias_DrawLight;
611 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > (65536 / 3))
612 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
613 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
614 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
615 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
616 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
617 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
618 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
620 end = LittleLong(pinmodel->ofs_end);
621 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
622 Host_Error ("%s is not a valid model", loadmodel->name);
623 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
624 Host_Error ("%s is not a valid model", loadmodel->name);
625 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
626 Host_Error ("%s is not a valid model", loadmodel->name);
627 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
628 Host_Error ("%s is not a valid model", loadmodel->name);
629 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
630 Host_Error ("%s is not a valid model", loadmodel->name);
632 loadmodel->alias.aliasnum_meshes = 1;
633 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
635 loadmodel->numskins = LittleLong(pinmodel->num_skins);
636 numxyz = LittleLong(pinmodel->num_xyz);
637 numst = LittleLong(pinmodel->num_st);
638 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
639 loadmodel->numframes = LittleLong(pinmodel->num_frames);
640 loadmodel->alias.aliasdata_meshes->num_frames = loadmodel->numframes;
641 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
643 loadmodel->flags = 0; // there are no MD2 flags
644 loadmodel->synctype = ST_RAND;
647 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
648 if ((skinfiles = Mod_LoadSkinFiles()))
650 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
651 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
652 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
653 Mod_FreeSkinFiles(skinfiles);
655 else if (loadmodel->numskins)
657 // skins found (most likely not a player model)
658 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
659 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
660 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
662 if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
663 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
666 Con_Printf("Mod_IDP2_Load: missing skin \"%s\"\n", inskin);
667 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
673 // no skins (most likely a player model)
674 loadmodel->numskins = 1;
675 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
676 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
677 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
680 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
681 for (i = 0;i < loadmodel->numskins;i++)
683 loadmodel->skinscenes[i].firstframe = i;
684 loadmodel->skinscenes[i].framecount = 1;
685 loadmodel->skinscenes[i].loop = true;
686 loadmodel->skinscenes[i].framerate = 10;
689 // load the triangles and stvert data
690 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
691 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
692 skinwidth = LittleLong(pinmodel->skinwidth);
693 skinheight = LittleLong(pinmodel->skinheight);
695 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
696 s = 1.0f / skinwidth;
697 t = 1.0f / skinheight;
698 for (i = 0;i < numst;i++)
700 j = (unsigned short) LittleShort(inst[i*2+0]);
701 k = (unsigned short) LittleShort(inst[i*2+1]);
702 if (j >= skinwidth || k >= skinheight)
705 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
707 stverts[i*2+0] = j * s;
708 stverts[i*2+1] = k * t;
711 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
712 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
713 // swap the triangle list
715 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
716 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
718 for (j = 0;j < 3;j++)
720 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
721 st = (unsigned short) LittleShort (intri[i].index_st[j]);
722 if (xyz >= numxyz || st >= numst)
724 Mem_Free(md2verthash);
725 Mem_Free(md2verthashdata);
728 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
730 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
734 hashindex = (xyz * 17 + st) & 255;
735 for (hash = md2verthash[hashindex];hash;hash = hash->next)
736 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
740 hash = md2verthashdata + num++;
744 hash->next = md2verthash[hashindex];
745 md2verthash[hashindex] = hash;
747 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
754 loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
755 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
756 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
757 for (i = 0;i < num;i++)
759 hash = md2verthashdata + i;
760 vertremap[i] = hash->xyz;
761 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
762 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
765 Mem_Free(md2verthash);
766 Mem_Free(md2verthashdata);
769 datapointer = (base + LittleLong(pinmodel->ofs_frames));
770 loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_frames * sizeof(float[4][3]));
771 loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 1;
772 loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 2;
773 loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 3;
774 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_frames;i++)
776 pinframe = (md2frame_t *)datapointer;
777 datapointer += sizeof(md2frame_t);
778 for (j = 0;j < 3;j++)
780 scale[j] = LittleFloat(pinframe->scale[j]);
781 translate[j] = LittleFloat(pinframe->translate[j]);
783 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * numverts * 3, numverts, vertremap);
784 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);
785 datapointer += numxyz * sizeof(trivertx_t);
787 strcpy(loadmodel->animscenes[i].name, pinframe->name);
788 loadmodel->animscenes[i].firstframe = i;
789 loadmodel->animscenes[i].framecount = 1;
790 loadmodel->animscenes[i].framerate = 10;
791 loadmodel->animscenes[i].loop = true;
796 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
797 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
798 Mod_CalcAliasModelBBoxes();
801 void Mod_IDP3_Load(model_t *mod, void *buffer)
803 int i, j, k, version;
804 md3modelheader_t *pinmodel;
805 md3frameinfo_t *pinframe;
809 skinfile_t *skinfiles;
813 if (memcmp(pinmodel->identifier, "IDP3", 4))
814 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
815 version = LittleLong (pinmodel->version);
816 if (version != MD3VERSION)
817 Host_Error ("%s has wrong version number (%i should be %i)",
818 loadmodel->name, version, MD3VERSION);
820 skinfiles = Mod_LoadSkinFiles();
821 if (loadmodel->numskins < 1)
822 loadmodel->numskins = 1;
824 loadmodel->type = mod_alias;
825 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
826 loadmodel->DrawSky = NULL;
827 loadmodel->Draw = R_Model_Alias_Draw;
828 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
829 loadmodel->DrawLight = R_Model_Alias_DrawLight;
830 loadmodel->flags = LittleLong(pinmodel->flags);
831 loadmodel->synctype = ST_RAND;
833 // set up some global info about the model
834 loadmodel->numframes = LittleLong(pinmodel->num_frames);
835 loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
837 // make skinscenes for the skins (no groups)
838 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
839 for (i = 0;i < loadmodel->numskins;i++)
841 loadmodel->skinscenes[i].firstframe = i;
842 loadmodel->skinscenes[i].framecount = 1;
843 loadmodel->skinscenes[i].loop = true;
844 loadmodel->skinscenes[i].framerate = 10;
848 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
849 for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
851 strcpy(loadmodel->animscenes[i].name, pinframe->name);
852 loadmodel->animscenes[i].firstframe = i;
853 loadmodel->animscenes[i].framecount = 1;
854 loadmodel->animscenes[i].framerate = 10;
855 loadmodel->animscenes[i].loop = true;
859 loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
860 loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
861 loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
862 for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
864 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
865 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
866 for (j = 0;j < 3;j++)
868 for (k = 0;k < 3;k++)
869 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
870 loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
872 //Con_Printf("model \"%s\" frame #%i tag #%i \"%s\"\n", loadmodel->name, i / loadmodel->alias.aliasnum_tags, i % loadmodel->alias.aliasnum_tags, loadmodel->alias.aliasdata_tags[i].name);
876 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
877 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)))
879 if (memcmp(pinmesh->identifier, "IDP3", 4))
880 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
881 mesh = loadmodel->alias.aliasdata_meshes + i;
882 mesh->num_skins = loadmodel->numskins;
883 mesh->num_frames = LittleLong(pinmesh->num_frames);
884 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
885 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
886 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
887 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
888 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
889 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
890 mesh->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(float[4][3]));
891 mesh->data_aliassvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 1;
892 mesh->data_aliastvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 2;
893 mesh->data_aliasnormal3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 3;
894 for (j = 0;j < mesh->num_triangles * 3;j++)
895 mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
896 for (j = 0;j < mesh->num_vertices;j++)
898 mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
899 mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
901 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
903 mesh->data_aliasvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
904 mesh->data_aliasvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
905 mesh->data_aliasvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
907 for (j = 0;j < mesh->num_frames;j++)
908 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);
910 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
911 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
913 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
914 Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name);
916 for (j = 0;j < mesh->num_skins;j++)
917 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
919 Mod_CalcAliasModelBBoxes();
920 Mod_FreeSkinFiles(skinfiles);
923 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
924 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
925 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
926 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);
927 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
929 zymtype1header_t *pinmodel, *pheader;
932 pinmodel = (void *)buffer;
934 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
935 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
936 if (BigLong(pinmodel->type) != 1)
937 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
939 loadmodel->type = mod_alias;
940 loadmodel->alias.aliastype = ALIASTYPE_ZYM;
941 loadmodel->DrawSky = NULL;
942 loadmodel->Draw = R_Model_Zymotic_Draw;
943 loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
944 loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
948 pheader->type = BigLong(pinmodel->type);
949 pheader->filesize = BigLong(pinmodel->filesize);
950 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
951 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
952 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
953 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
954 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
955 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
956 pheader->radius = BigFloat(pinmodel->radius);
957 pheader->numverts = loadmodel->alias.zymnum_verts = BigLong(pinmodel->numverts);
958 pheader->numtris = loadmodel->alias.zymnum_tris = BigLong(pinmodel->numtris);
959 pheader->numshaders = loadmodel->alias.zymnum_shaders = BigLong(pinmodel->numshaders);
960 pheader->numbones = loadmodel->alias.zymnum_bones = BigLong(pinmodel->numbones);
961 pheader->numscenes = loadmodel->alias.zymnum_scenes = BigLong(pinmodel->numscenes);
962 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
963 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
964 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
965 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
966 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
967 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
968 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
969 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
970 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
971 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
972 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
973 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
974 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
975 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
976 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
977 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
978 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
979 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
981 loadmodel->flags = 0; // there are no flags
982 loadmodel->numframes = pheader->numscenes;
983 loadmodel->synctype = ST_SYNC;
984 //loadmodel->num_triangles = pheader->num_triangles;
985 //loadmodel->num_vertices = 0;
989 float modelradius, corner[2];
991 modelradius = pheader->radius;
992 for (i = 0;i < 3;i++)
994 loadmodel->normalmins[i] = pheader->mins[i];
995 loadmodel->normalmaxs[i] = pheader->maxs[i];
996 loadmodel->rotatedmins[i] = -modelradius;
997 loadmodel->rotatedmaxs[i] = modelradius;
999 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1000 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1001 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1002 if (loadmodel->yawmaxs[0] > modelradius)
1003 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1004 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1005 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1006 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1007 loadmodel->radius = modelradius;
1008 loadmodel->radius2 = modelradius * modelradius;
1012 // FIXME: add shaders, and make them switchable shader sets and...
1013 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t));
1014 loadmodel->skinscenes[0].firstframe = 0;
1015 loadmodel->skinscenes[0].framecount = 1;
1016 loadmodel->skinscenes[0].loop = true;
1017 loadmodel->skinscenes[0].framerate = 10;
1018 loadmodel->numskins = 1;
1021 // go through the lumps, swapping things
1026 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1027 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1028 scene = (void *) (pheader->lump_scenes.start + pbase);
1029 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1030 for (i = 0;i < pheader->numscenes;i++)
1032 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1033 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1034 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1035 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1036 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1037 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1038 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1039 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1040 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1041 if (loadmodel->animscenes[i].framerate < 0)
1042 Host_Error("Mod_ZYMOTICMODEL_Load: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1050 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1051 loadmodel->alias.zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1052 poses = (void *) (pheader->lump_poses.start + pbase);
1053 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1054 loadmodel->alias.zymdata_poses[i] = BigFloat(poses[i]);
1060 // zymlump_t lump_bones; // zymbone_t bone[numbones];
1061 loadmodel->alias.zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1062 bone = (void *) (pheader->lump_bones.start + pbase);
1063 for (i = 0;i < pheader->numbones;i++)
1065 memcpy(loadmodel->alias.zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1066 loadmodel->alias.zymdata_bones[i].flags = BigLong(bone[i].flags);
1067 loadmodel->alias.zymdata_bones[i].parent = BigLong(bone[i].parent);
1068 if (loadmodel->alias.zymdata_bones[i].parent >= i)
1069 Host_Error("Mod_ZYMOTICMODEL_Load: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1075 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1076 loadmodel->alias.zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1077 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1078 for (i = 0;i < pheader->numverts;i++)
1080 loadmodel->alias.zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1081 if (loadmodel->alias.zymdata_vertbonecounts[i] < 1)
1082 Host_Error("Mod_ZYMOTICMODEL_Load: bone vertex count < 1 in %s\n", loadmodel->name);
1088 zymvertex_t *vertdata;
1089 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1090 loadmodel->alias.zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1091 vertdata = (void *) (pheader->lump_verts.start + pbase);
1092 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1094 loadmodel->alias.zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1095 loadmodel->alias.zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1096 loadmodel->alias.zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1097 loadmodel->alias.zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1103 float *intexcoord2f, *outtexcoord2f;
1104 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1105 loadmodel->alias.zymdata_texcoords = outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1106 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1107 for (i = 0;i < pheader->numverts;i++)
1109 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1110 // flip T coordinate for OpenGL
1111 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1116 int i, count, *renderlist, *renderlistend, *outrenderlist;
1117 // 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)
1118 loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1119 // byteswap, validate, and swap winding order of tris
1120 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1121 if (pheader->lump_render.length != count)
1122 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);
1123 outrenderlist = loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1124 renderlist = (void *) (pheader->lump_render.start + pbase);
1125 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1126 for (i = 0;i < pheader->numshaders;i++)
1128 if (renderlist >= renderlistend)
1129 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1130 count = BigLong(*renderlist);renderlist++;
1131 if (renderlist + count * 3 > renderlistend)
1132 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1133 *outrenderlist++ = count;
1136 outrenderlist[2] = BigLong(renderlist[0]);
1137 outrenderlist[1] = BigLong(renderlist[1]);
1138 outrenderlist[0] = BigLong(renderlist[2]);
1139 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1140 || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1141 || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1142 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1152 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1153 loadmodel->alias.zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1154 shadername = (void *) (pheader->lump_shaders.start + pbase);
1155 for (i = 0;i < pheader->numshaders;i++)
1156 loadmodel->alias.zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1160 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1161 loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1162 memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);