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 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
150 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
154 memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
155 layer = mod_alias_layersbuffer;
156 layer->flags = ALIASLAYER_SPECULAR;
157 layer->texture = skinframe->gloss;
158 layer->nmap = skinframe->nmap;
160 if (skinframe->merged != NULL)
162 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
163 layer->texture = skinframe->merged;
164 layer->nmap = skinframe->nmap;
167 if (skinframe->base != NULL)
169 layer->flags = ALIASLAYER_DIFFUSE;
170 if (skinframe->merged != NULL)
171 layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
172 layer->texture = skinframe->base;
173 layer->nmap = skinframe->nmap;
176 if (skinframe->pants != NULL)
178 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
179 layer->texture = skinframe->pants;
180 layer->nmap = skinframe->nmap;
183 if (skinframe->shirt != NULL)
185 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
186 layer->texture = skinframe->shirt;
187 layer->nmap = skinframe->nmap;
191 if (skinframe->glow != NULL)
194 layer->texture = skinframe->glow;
198 layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
199 layer->texture = skinframe->fog;
203 // fog texture only exists if some pixels are transparent...
204 if (skinframe->fog != NULL)
205 skin->flags |= ALIASSKIN_TRANSPARENT;
207 skin->num_layers = layer - mod_alias_layersbuffer;
208 skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
209 memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
212 void Mod_BuildAliasSkinsFromSkinFiles(aliasskin_t *skin, skinfile_t *skinfile, char *name)
215 skinfileitem_t *skinfileitem;
216 skinframe_t tempskinframe;
219 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
221 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
223 if (!strcmp(skinfileitem->name, name))
225 memset(&tempskinframe, 0, sizeof(tempskinframe));
226 Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true);
227 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
235 Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true);
236 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
240 #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);
241 #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);
242 extern void R_Model_Alias_Draw(entity_render_t *ent);
243 extern void R_Model_Alias_DrawFakeShadow(entity_render_t *ent);
244 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
245 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);
246 void Mod_IDP0_Load(model_t *mod, void *buffer)
248 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
249 float scales, scalet, scale[3], translate[3], interval;
251 stvert_t *pinstverts;
252 dtriangle_t *pintriangles;
253 daliasskintype_t *pinskintype;
254 daliasskingroup_t *pinskingroup;
255 daliasskininterval_t *pinskinintervals;
256 daliasframetype_t *pinframetype;
257 daliasgroup_t *pinframegroup;
258 qbyte *datapointer, *startframes, *startskins;
259 char name[MAX_QPATH];
260 skinframe_t tempskinframe;
261 animscene_t *tempskinscenes;
262 aliasskin_t *tempaliasskins;
264 int *vertonseam, *vertremap;
265 skinfile_t *skinfiles;
267 datapointer = buffer;
268 pinmodel = (mdl_t *)datapointer;
269 datapointer += sizeof(mdl_t);
271 version = LittleLong (pinmodel->version);
272 if (version != ALIAS_VERSION)
273 Host_Error ("%s has wrong version number (%i should be %i)",
274 loadmodel->name, version, ALIAS_VERSION);
276 loadmodel->type = mod_alias;
277 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
278 loadmodel->DrawSky = NULL;
279 loadmodel->Draw = R_Model_Alias_Draw;
280 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
281 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
282 loadmodel->DrawLight = R_Model_Alias_DrawLight;
284 loadmodel->alias.aliasnum_meshes = 1;
285 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
287 loadmodel->numskins = LittleLong(pinmodel->numskins);
288 BOUNDI(loadmodel->numskins,0,256);
289 skinwidth = LittleLong (pinmodel->skinwidth);
290 BOUNDI(skinwidth,0,4096);
291 skinheight = LittleLong (pinmodel->skinheight);
292 BOUNDI(skinheight,0,4096);
293 numverts = LittleLong(pinmodel->numverts);
294 BOUNDI(numverts,0,65536);
295 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
296 BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536 / 3); // max elements limit, rather than max triangles limit
297 loadmodel->numframes = LittleLong(pinmodel->numframes);
298 BOUNDI(loadmodel->numframes,0,65536);
299 loadmodel->synctype = LittleLong (pinmodel->synctype);
300 BOUNDI(loadmodel->synctype,0,2);
301 loadmodel->flags = LittleLong (pinmodel->flags);
303 for (i = 0;i < 3;i++)
305 scale[i] = LittleFloat (pinmodel->scale[i]);
306 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
309 startskins = datapointer;
311 for (i = 0;i < loadmodel->numskins;i++)
313 pinskintype = (daliasskintype_t *)datapointer;
314 datapointer += sizeof(daliasskintype_t);
315 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
319 pinskingroup = (daliasskingroup_t *)datapointer;
320 datapointer += sizeof(daliasskingroup_t);
321 groupskins = LittleLong(pinskingroup->numskins);
322 datapointer += sizeof(daliasskininterval_t) * groupskins;
325 for (j = 0;j < groupskins;j++)
327 datapointer += skinwidth * skinheight;
332 pinstverts = (stvert_t *)datapointer;
333 datapointer += sizeof(stvert_t) * numverts;
335 pintriangles = (dtriangle_t *)datapointer;
336 datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
338 startframes = datapointer;
339 loadmodel->alias.aliasdata_meshes->num_frames = 0;
340 for (i = 0;i < loadmodel->numframes;i++)
342 pinframetype = (daliasframetype_t *)datapointer;
343 datapointer += sizeof(daliasframetype_t);
344 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
348 pinframegroup = (daliasgroup_t *)datapointer;
349 datapointer += sizeof(daliasgroup_t);
350 groupframes = LittleLong(pinframegroup->numframes);
351 datapointer += sizeof(daliasinterval_t) * groupframes;
354 for (j = 0;j < groupframes;j++)
356 datapointer += sizeof(daliasframe_t);
357 datapointer += sizeof(trivertx_t) * numverts;
358 loadmodel->alias.aliasdata_meshes->num_frames++;
362 // store texture coordinates into temporary array, they will be stored
363 // after usage is determined (triangle data)
364 vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
365 vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
366 vertonseam = vertremap + numverts * 2;
368 scales = 1.0 / skinwidth;
369 scalet = 1.0 / skinheight;
370 for (i = 0;i < numverts;i++)
372 vertonseam[i] = LittleLong(pinstverts[i].onseam);
373 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
374 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
375 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
376 vertst[(i+numverts)*2+1] = vertst[i*2+1];
379 // load triangle data
380 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
382 // read the triangle elements
383 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
384 for (j = 0;j < 3;j++)
385 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
386 // validate (note numverts is used because this is the original data)
387 Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
388 // now butcher the elements according to vertonseam and tri->facesfront
389 // and then compact the vertex set to remove duplicates
390 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
391 if (!LittleLong(pintriangles[i].facesfront)) // backface
392 for (j = 0;j < 3;j++)
393 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
394 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
396 // (this uses vertremap to count usage to save some memory)
397 for (i = 0;i < numverts*2;i++)
399 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
400 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
401 // build remapping table and compact array
402 loadmodel->alias.aliasdata_meshes->num_vertices = 0;
403 for (i = 0;i < numverts*2;i++)
407 vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
408 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
409 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
410 loadmodel->alias.aliasdata_meshes->num_vertices++;
413 vertremap[i] = -1; // not used at all
415 // remap the elements to the new vertex set
416 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
417 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
418 // store the texture coordinates
419 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
420 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
422 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
423 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
427 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
428 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);
429 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;
430 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;
431 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;
432 Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
433 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
434 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
435 Mod_CalcAliasModelBBoxes();
441 if ((skinfiles = Mod_LoadSkinFiles()))
443 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins = Mod_CountSkinFiles(skinfiles);
444 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
445 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default");
446 Mod_FreeSkinFiles(skinfiles);
447 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
448 for (i = 0;i < loadmodel->numskins;i++)
450 loadmodel->skinscenes[i].firstframe = i;
451 loadmodel->skinscenes[i].framecount = 1;
452 loadmodel->skinscenes[i].loop = true;
453 loadmodel->skinscenes[i].framerate = 10;
458 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
459 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
460 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
462 datapointer = startskins;
463 for (i = 0;i < loadmodel->numskins;i++)
465 pinskintype = (daliasskintype_t *)datapointer;
466 datapointer += sizeof(daliasskintype_t);
468 if (pinskintype->type == ALIAS_SKIN_SINGLE)
475 pinskingroup = (daliasskingroup_t *)datapointer;
476 datapointer += sizeof(daliasskingroup_t);
478 groupskins = LittleLong (pinskingroup->numskins);
480 pinskinintervals = (daliasskininterval_t *)datapointer;
481 datapointer += sizeof(daliasskininterval_t) * groupskins;
483 interval = LittleFloat(pinskinintervals[0].interval);
484 if (interval < 0.01f)
485 Host_Error("Mod_IDP0_Load: invalid interval\n");
488 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
489 loadmodel->skinscenes[i].firstframe = totalskins;
490 loadmodel->skinscenes[i].framecount = groupskins;
491 loadmodel->skinscenes[i].framerate = 1.0f / interval;
492 loadmodel->skinscenes[i].loop = true;
494 for (j = 0;j < groupskins;j++)
497 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
499 sprintf (name, "%s_%i", loadmodel->name, i);
500 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
501 Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true, (qbyte *)datapointer, skinwidth, skinheight);
502 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
503 datapointer += skinwidth * skinheight;
507 // check for skins that don't exist in the model, but do exist as external images
508 // (this was added because yummyluv kept pestering me about support for it)
509 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
511 // expand the arrays to make room
512 tempskinscenes = loadmodel->skinscenes;
513 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
514 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
515 Mem_Free(tempskinscenes);
517 tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
518 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(aliasskin_t));
519 memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(aliasskin_t));
520 Mem_Free(tempaliasskins);
522 // store the info about the new skin
523 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
524 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
525 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
526 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
527 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
528 loadmodel->skinscenes[loadmodel->numskins].loop = true;
530 //increase skin counts
531 loadmodel->alias.aliasdata_meshes->num_skins++;
532 loadmodel->numskins++;
538 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
542 for (i = 0;i < numverts;i++, out3f += 3)
544 in = v + vertremap[i];
545 out3f[0] = in->v[0] * scale[0] + translate[0];
546 out3f[1] = in->v[1] * scale[1] + translate[1];
547 out3f[2] = in->v[2] * scale[2] + translate[2];
551 void Mod_IDP2_Load(model_t *mod, void *buffer)
553 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
554 float *stverts, s, t, scale[3], translate[3];
556 qbyte *base, *datapointer;
557 md2frame_t *pinframe;
559 md2triangle_t *intri;
560 unsigned short *inst;
563 struct md2verthash_s *next;
567 *hash, **md2verthash, *md2verthashdata;
568 skinframe_t tempskinframe;
569 skinfile_t *skinfiles;
574 version = LittleLong (pinmodel->version);
575 if (version != MD2ALIAS_VERSION)
576 Host_Error ("%s has wrong version number (%i should be %i)",
577 loadmodel->name, version, MD2ALIAS_VERSION);
579 loadmodel->type = mod_alias;
580 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
581 loadmodel->DrawSky = NULL;
582 loadmodel->Draw = R_Model_Alias_Draw;
583 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
584 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
585 loadmodel->DrawLight = R_Model_Alias_DrawLight;
587 if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > (65536 / 3))
588 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
589 if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > 65536)
590 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
591 if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > 65536)
592 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
593 if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > 256)
594 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
596 end = LittleLong(pinmodel->ofs_end);
597 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
598 Host_Error ("%s is not a valid model", loadmodel->name);
599 if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
600 Host_Error ("%s is not a valid model", loadmodel->name);
601 if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
602 Host_Error ("%s is not a valid model", loadmodel->name);
603 if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
604 Host_Error ("%s is not a valid model", loadmodel->name);
605 if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
606 Host_Error ("%s is not a valid model", loadmodel->name);
608 loadmodel->alias.aliasnum_meshes = 1;
609 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
611 loadmodel->numskins = LittleLong(pinmodel->num_skins);
612 numxyz = LittleLong(pinmodel->num_xyz);
613 numst = LittleLong(pinmodel->num_st);
614 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
615 loadmodel->numframes = LittleLong(pinmodel->num_frames);
616 loadmodel->alias.aliasdata_meshes->num_frames = loadmodel->numframes;
617 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
619 loadmodel->flags = 0; // there are no MD2 flags
620 loadmodel->synctype = ST_RAND;
623 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
624 if ((skinfiles = Mod_LoadSkinFiles()))
626 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins = Mod_CountSkinFiles(skinfiles);
627 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
628 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default");
629 Mod_FreeSkinFiles(skinfiles);
631 else if (loadmodel->numskins)
633 // skins found (most likely not a player model)
634 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
635 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
636 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
638 Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true);
639 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
644 // no skins (most likely a player model)
645 loadmodel->numskins = 1;
646 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
647 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
650 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
651 for (i = 0;i < loadmodel->numskins;i++)
653 loadmodel->skinscenes[i].firstframe = i;
654 loadmodel->skinscenes[i].framecount = 1;
655 loadmodel->skinscenes[i].loop = true;
656 loadmodel->skinscenes[i].framerate = 10;
659 // load the triangles and stvert data
660 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
661 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
662 skinwidth = LittleLong(pinmodel->skinwidth);
663 skinheight = LittleLong(pinmodel->skinheight);
665 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
666 s = 1.0f / skinwidth;
667 t = 1.0f / skinheight;
668 for (i = 0;i < numst;i++)
670 j = (unsigned short) LittleShort(inst[i*2+0]);
671 k = (unsigned short) LittleShort(inst[i*2+1]);
672 if (j >= skinwidth || k >= skinheight)
675 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
677 stverts[i*2+0] = j * s;
678 stverts[i*2+1] = k * t;
681 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
682 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
683 // swap the triangle list
685 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
686 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
688 for (j = 0;j < 3;j++)
690 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
691 st = (unsigned short) LittleShort (intri[i].index_st[j]);
692 if (xyz >= numxyz || st >= numst)
694 Mem_Free(md2verthash);
695 Mem_Free(md2verthashdata);
698 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
700 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
704 hashindex = (xyz * 17 + st) & 255;
705 for (hash = md2verthash[hashindex];hash;hash = hash->next)
706 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
710 hash = md2verthashdata + num++;
714 hash->next = md2verthash[hashindex];
715 md2verthash[hashindex] = hash;
717 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
724 loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
725 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
726 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
727 for (i = 0;i < num;i++)
729 hash = md2verthashdata + i;
730 vertremap[i] = hash->xyz;
731 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
732 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
735 Mem_Free(md2verthash);
736 Mem_Free(md2verthashdata);
739 datapointer = (base + LittleLong(pinmodel->ofs_frames));
740 loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_frames * sizeof(float[4][3]));
741 loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 1;
742 loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 2;
743 loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 3;
744 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_frames;i++)
746 pinframe = (md2frame_t *)datapointer;
747 datapointer += sizeof(md2frame_t);
748 for (j = 0;j < 3;j++)
750 scale[j] = LittleFloat(pinframe->scale[j]);
751 translate[j] = LittleFloat(pinframe->translate[j]);
753 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * numverts * 3, numverts, vertremap);
754 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);
755 datapointer += numxyz * sizeof(trivertx_t);
757 strcpy(loadmodel->animscenes[i].name, pinframe->name);
758 loadmodel->animscenes[i].firstframe = i;
759 loadmodel->animscenes[i].framecount = 1;
760 loadmodel->animscenes[i].framerate = 10;
761 loadmodel->animscenes[i].loop = true;
766 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
767 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
768 Mod_CalcAliasModelBBoxes();
771 void Mod_IDP3_Load(model_t *mod, void *buffer)
773 int i, j, k, version;
774 md3modelheader_t *pinmodel;
775 md3frameinfo_t *pinframe;
779 skinfile_t *skinfiles;
783 if (memcmp(pinmodel->identifier, "IDP3", 4))
784 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
785 version = LittleLong (pinmodel->version);
786 if (version != MD3VERSION)
787 Host_Error ("%s has wrong version number (%i should be %i)",
788 loadmodel->name, version, MD3VERSION);
790 skinfiles = Mod_LoadSkinFiles();
791 loadmodel->numskins = Mod_CountSkinFiles(skinfiles);
792 if (loadmodel->numskins < 1)
793 loadmodel->numskins = 1;
795 loadmodel->type = mod_alias;
796 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
797 loadmodel->DrawSky = NULL;
798 loadmodel->Draw = R_Model_Alias_Draw;
799 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
800 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
801 loadmodel->DrawLight = R_Model_Alias_DrawLight;
802 loadmodel->flags = 0;
803 loadmodel->synctype = ST_RAND;
805 // set up some global info about the model
806 loadmodel->numframes = LittleLong(pinmodel->num_frames);
807 loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
809 // make skinscenes for the skins (no groups)
810 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
811 for (i = 0;i < loadmodel->numskins;i++)
813 loadmodel->skinscenes[i].firstframe = i;
814 loadmodel->skinscenes[i].framecount = 1;
815 loadmodel->skinscenes[i].loop = true;
816 loadmodel->skinscenes[i].framerate = 10;
820 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
821 for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
823 strcpy(loadmodel->animscenes[i].name, pinframe->name);
824 loadmodel->animscenes[i].firstframe = i;
825 loadmodel->animscenes[i].framecount = 1;
826 loadmodel->animscenes[i].framerate = 10;
827 loadmodel->animscenes[i].loop = true;
831 loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
832 loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
833 loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
834 for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pinframe++)
836 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
837 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
838 for (j = 0;j < 3;j++)
840 for (k = 0;k < 3;k++)
841 loadmodel->alias.aliasdata_tags[i].matrix.m[k][j] = LittleLong(pintag->rotationmatrix[j * 3 + k]);
842 loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleLong(pintag->origin[j]);
847 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
848 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)))
850 if (memcmp(pinmesh->identifier, "IDP3", 4))
851 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
852 mesh = loadmodel->alias.aliasdata_meshes + i;
853 mesh->num_skins = loadmodel->numskins;
854 mesh->num_frames = LittleLong(pinmesh->num_frames);
855 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
856 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
857 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
858 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
859 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
860 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
861 mesh->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(float[4][3]));
862 mesh->data_aliassvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 1;
863 mesh->data_aliastvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 2;
864 mesh->data_aliasnormal3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 3;
865 for (j = 0;j < mesh->num_triangles * 3;j++)
866 mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
867 for (j = 0;j < mesh->num_vertices;j++)
869 mesh->data_texcoord2f[j * 2 + 0] = LittleLong(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
870 mesh->data_texcoord2f[j * 2 + 1] = LittleLong(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
872 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
874 mesh->data_aliasvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
875 mesh->data_aliasvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
876 mesh->data_aliasvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
878 for (j = 0;j < mesh->num_frames;j++)
879 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);
881 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
882 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
884 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
885 Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name);
887 Mod_CalcAliasModelBBoxes();
888 Mod_FreeSkinFiles(skinfiles);
891 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
892 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
893 extern void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent);
894 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
895 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);
896 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
898 zymtype1header_t *pinmodel, *pheader;
901 pinmodel = (void *)buffer;
903 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
904 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
905 if (BigLong(pinmodel->type) != 1)
906 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
908 loadmodel->type = mod_alias;
909 loadmodel->alias.aliastype = ALIASTYPE_ZYM;
910 loadmodel->DrawSky = NULL;
911 loadmodel->Draw = R_Model_Zymotic_Draw;
912 loadmodel->DrawFakeShadow = NULL;//R_Model_Zymotic_DrawFakeShadow;
913 loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
914 loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
918 pheader->type = BigLong(pinmodel->type);
919 pheader->filesize = BigLong(pinmodel->filesize);
920 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
921 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
922 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
923 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
924 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
925 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
926 pheader->radius = BigFloat(pinmodel->radius);
927 pheader->numverts = loadmodel->alias.zymnum_verts = BigLong(pinmodel->numverts);
928 pheader->numtris = loadmodel->alias.zymnum_tris = BigLong(pinmodel->numtris);
929 pheader->numshaders = loadmodel->alias.zymnum_shaders = BigLong(pinmodel->numshaders);
930 pheader->numbones = loadmodel->alias.zymnum_bones = BigLong(pinmodel->numbones);
931 pheader->numscenes = loadmodel->alias.zymnum_scenes = BigLong(pinmodel->numscenes);
932 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
933 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
934 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
935 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
936 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
937 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
938 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
939 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
940 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
941 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
942 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
943 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
944 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
945 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
946 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
947 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
948 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
949 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
951 loadmodel->flags = 0; // there are no flags
952 loadmodel->numframes = pheader->numscenes;
953 loadmodel->synctype = ST_SYNC;
954 //loadmodel->numtris = pheader->numtris;
955 //loadmodel->numverts = 0;
959 float modelradius, corner[2];
961 modelradius = pheader->radius;
962 for (i = 0;i < 3;i++)
964 loadmodel->normalmins[i] = pheader->mins[i];
965 loadmodel->normalmaxs[i] = pheader->maxs[i];
966 loadmodel->rotatedmins[i] = -modelradius;
967 loadmodel->rotatedmaxs[i] = modelradius;
969 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
970 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
971 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
972 if (loadmodel->yawmaxs[0] > modelradius)
973 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
974 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
975 loadmodel->yawmins[2] = loadmodel->normalmins[2];
976 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
977 loadmodel->radius = modelradius;
978 loadmodel->radius2 = modelradius * modelradius;
982 // FIXME: add shaders, and make them switchable shader sets and...
983 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t));
984 loadmodel->skinscenes[0].firstframe = 0;
985 loadmodel->skinscenes[0].framecount = 1;
986 loadmodel->skinscenes[0].loop = true;
987 loadmodel->skinscenes[0].framerate = 10;
988 loadmodel->numskins = 1;
991 // go through the lumps, swapping things
996 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
997 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
998 scene = (void *) (pheader->lump_scenes.start + pbase);
999 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1000 for (i = 0;i < pheader->numscenes;i++)
1002 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1003 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1004 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1005 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1006 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1007 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1008 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1009 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1010 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1011 if (loadmodel->animscenes[i].framerate < 0)
1012 Host_Error("Mod_ZYMOTICMODEL_Load: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1020 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1021 loadmodel->alias.zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1022 poses = (void *) (pheader->lump_poses.start + pbase);
1023 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1024 loadmodel->alias.zymdata_poses[i] = BigFloat(poses[i]);
1030 // zymlump_t lump_bones; // zymbone_t bone[numbones];
1031 loadmodel->alias.zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1032 bone = (void *) (pheader->lump_bones.start + pbase);
1033 for (i = 0;i < pheader->numbones;i++)
1035 memcpy(loadmodel->alias.zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1036 loadmodel->alias.zymdata_bones[i].flags = BigLong(bone[i].flags);
1037 loadmodel->alias.zymdata_bones[i].parent = BigLong(bone[i].parent);
1038 if (loadmodel->alias.zymdata_bones[i].parent >= i)
1039 Host_Error("Mod_ZYMOTICMODEL_Load: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1045 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1046 loadmodel->alias.zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1047 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1048 for (i = 0;i < pheader->numverts;i++)
1050 loadmodel->alias.zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1051 if (loadmodel->alias.zymdata_vertbonecounts[i] < 1)
1052 Host_Error("Mod_ZYMOTICMODEL_Load: bone vertex count < 1 in %s\n", loadmodel->name);
1058 zymvertex_t *vertdata;
1059 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1060 loadmodel->alias.zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1061 vertdata = (void *) (pheader->lump_verts.start + pbase);
1062 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1064 loadmodel->alias.zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1065 loadmodel->alias.zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1066 loadmodel->alias.zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1067 loadmodel->alias.zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1073 float *intexcoord2f, *outtexcoord2f;
1074 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1075 loadmodel->alias.zymdata_texcoords = outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1076 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1077 for (i = 0;i < pheader->numverts;i++)
1079 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1080 // flip T coordinate for OpenGL
1081 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1086 int i, count, *renderlist, *renderlistend, *outrenderlist;
1087 // 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)
1088 loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1089 // byteswap, validate, and swap winding order of tris
1090 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1091 if (pheader->lump_render.length != count)
1092 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);
1093 outrenderlist = loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1094 renderlist = (void *) (pheader->lump_render.start + pbase);
1095 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1096 for (i = 0;i < pheader->numshaders;i++)
1098 if (renderlist >= renderlistend)
1099 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1100 count = BigLong(*renderlist);renderlist++;
1101 if (renderlist + count * 3 > renderlistend)
1102 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1103 *outrenderlist++ = count;
1106 outrenderlist[2] = BigLong(renderlist[0]);
1107 outrenderlist[1] = BigLong(renderlist[1]);
1108 outrenderlist[0] = BigLong(renderlist[2]);
1109 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1110 || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1111 || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1112 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1122 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1123 loadmodel->alias.zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1124 shadername = (void *) (pheader->lump_shaders.start + pbase);
1125 for (i = 0;i < pheader->numshaders;i++)
1126 loadmodel->alias.zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1130 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1131 loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1132 memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);