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_MDLMD2MD3_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
32 float segmentmins[3], segmentmaxs[3];
33 colbrushf_t *thisbrush_start, *thisbrush_end;
34 matrix4x4_t startmatrix, endmatrix;
35 memset(trace, 0, sizeof(*trace));
37 trace->realfraction = 1;
38 trace->hitsupercontentsmask = hitsupercontentsmask;
39 segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
40 segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
41 segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
42 segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
43 segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
44 segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
45 if (VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
48 for (i = 0;i < model->alias.aliasnum_meshes;i++)
51 if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_frames)
53 Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_aliasvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
58 // box trace, performed as brush trace
59 Matrix4x4_CreateIdentity(&startmatrix);
60 Matrix4x4_CreateIdentity(&endmatrix);
61 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
62 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
63 for (i = 0;i < model->alias.aliasnum_meshes;i++)
66 if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_frames)
68 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_aliasvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
73 static void Mod_CalcAliasModelBBoxes (void)
76 float dist, yawradius, radius;
79 VectorClear(loadmodel->normalmins);
80 VectorClear(loadmodel->normalmaxs);
83 for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
85 for (vnum = 0, v = mesh->data_aliasvertex3f;vnum < mesh->num_vertices * mesh->num_frames;vnum++, v += 3)
87 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
88 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
89 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
90 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
91 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
92 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
93 dist = v[0] * v[0] + v[1] * v[1];
101 radius = sqrt(radius);
102 yawradius = sqrt(yawradius);
103 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
104 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
105 loadmodel->yawmins[2] = loadmodel->normalmins[2];
106 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
107 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
108 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
109 loadmodel->radius = radius;
110 loadmodel->radius2 = radius * radius;
113 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
117 for (i = 0;i < inverts;i++)
119 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
121 temp[0] = v[i].v[0] * scale[0] + translate[0];
122 temp[1] = v[i].v[1] * scale[1] + translate[1];
123 temp[2] = v[i].v[2] * scale[2] + translate[2];
124 j = vertremap[i]; // not onseam
126 VectorCopy(temp, out3f + j * 3);
127 j = vertremap[i+inverts]; // onseam
129 VectorCopy(temp, out3f + j * 3);
133 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
135 int i, f, pose, groupframes;
137 daliasframetype_t *pframetype;
138 daliasframe_t *pinframe;
139 daliasgroup_t *group;
140 daliasinterval_t *intervals;
143 scene = loadmodel->animscenes;
144 for (f = 0;f < loadmodel->numframes;f++)
146 pframetype = (daliasframetype_t *)datapointer;
147 datapointer += sizeof(daliasframetype_t);
148 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
150 // a single frame is still treated as a group
157 group = (daliasgroup_t *)datapointer;
158 datapointer += sizeof(daliasgroup_t);
159 groupframes = LittleLong (group->numframes);
161 // intervals (time per frame)
162 intervals = (daliasinterval_t *)datapointer;
163 datapointer += sizeof(daliasinterval_t) * groupframes;
165 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
166 if (interval < 0.01f)
167 Host_Error("Mod_MDL_LoadFrames: invalid interval");
170 // get scene name from first frame
171 pinframe = (daliasframe_t *)datapointer;
173 strcpy(scene->name, pinframe->name);
174 scene->firstframe = pose;
175 scene->framecount = groupframes;
176 scene->framerate = 1.0f / interval;
181 for (i = 0;i < groupframes;i++)
183 pinframe = (daliasframe_t *)datapointer;
184 datapointer += sizeof(daliasframe_t);
185 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
186 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);
187 datapointer += sizeof(trivertx_t) * inverts;
193 static skinframe_t missingskinframe;
194 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
195 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
200 if (skinframe == NULL)
202 skinframe = &missingskinframe;
203 memset(skinframe, 0, sizeof(*skinframe));
204 skinframe->base = r_notexture;
207 memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
208 layer = mod_alias_layersbuffer;
209 layer->flags = ALIASLAYER_SPECULAR;
210 layer->texture = skinframe->gloss;
211 layer->nmap = skinframe->nmap;
213 if (skinframe->merged != NULL)
215 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
216 layer->texture = skinframe->merged;
217 layer->nmap = skinframe->nmap;
220 if (skinframe->base != NULL)
222 layer->flags = ALIASLAYER_DIFFUSE;
223 if (skinframe->merged != NULL)
224 layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
225 layer->texture = skinframe->base;
226 layer->nmap = skinframe->nmap;
229 if (skinframe->pants != NULL)
231 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
232 layer->texture = skinframe->pants;
233 layer->nmap = skinframe->nmap;
236 if (skinframe->shirt != NULL)
238 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
239 layer->texture = skinframe->shirt;
240 layer->nmap = skinframe->nmap;
244 if (skinframe->glow != NULL)
247 layer->texture = skinframe->glow;
251 layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
252 layer->texture = skinframe->fog;
256 // fog texture only exists if some pixels are transparent...
257 if (skinframe->fog != NULL)
258 skin->flags |= ALIASSKIN_TRANSPARENT;
260 skin->num_layers = layer - mod_alias_layersbuffer;
261 skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
262 memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
265 void Mod_BuildAliasSkinsFromSkinFiles(aliasskin_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
268 skinfileitem_t *skinfileitem;
269 skinframe_t tempskinframe;
272 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
274 memset(skin, 0, sizeof(*skin));
275 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
277 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
278 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
280 memset(&tempskinframe, 0, sizeof(tempskinframe));
281 if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
282 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
285 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);
286 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
287 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
290 Con_Printf("failed to load skin \"%s\"\n", shadername);
291 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
300 memset(&tempskinframe, 0, sizeof(tempskinframe));
301 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
302 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
305 Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
306 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
311 #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);
312 #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);
313 extern void R_Model_Alias_Draw(entity_render_t *ent);
314 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
315 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);
316 void Mod_IDP0_Load(model_t *mod, void *buffer)
318 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
319 float scales, scalet, scale[3], translate[3], interval;
321 stvert_t *pinstverts;
322 dtriangle_t *pintriangles;
323 daliasskintype_t *pinskintype;
324 daliasskingroup_t *pinskingroup;
325 daliasskininterval_t *pinskinintervals;
326 daliasframetype_t *pinframetype;
327 daliasgroup_t *pinframegroup;
328 qbyte *datapointer, *startframes, *startskins;
329 char name[MAX_QPATH];
330 skinframe_t tempskinframe;
331 animscene_t *tempskinscenes;
332 aliasskin_t *tempaliasskins;
334 int *vertonseam, *vertremap;
335 skinfile_t *skinfiles;
337 datapointer = buffer;
338 pinmodel = (mdl_t *)datapointer;
339 datapointer += sizeof(mdl_t);
341 version = LittleLong (pinmodel->version);
342 if (version != ALIAS_VERSION)
343 Host_Error ("%s has wrong version number (%i should be %i)",
344 loadmodel->name, version, ALIAS_VERSION);
346 loadmodel->type = mod_alias;
347 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
348 loadmodel->DrawSky = NULL;
349 loadmodel->Draw = R_Model_Alias_Draw;
350 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
351 loadmodel->DrawLight = R_Model_Alias_DrawLight;
352 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
354 loadmodel->alias.aliasnum_meshes = 1;
355 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
357 loadmodel->numskins = LittleLong(pinmodel->numskins);
358 BOUNDI(loadmodel->numskins,0,256);
359 skinwidth = LittleLong (pinmodel->skinwidth);
360 BOUNDI(skinwidth,0,4096);
361 skinheight = LittleLong (pinmodel->skinheight);
362 BOUNDI(skinheight,0,4096);
363 numverts = LittleLong(pinmodel->numverts);
364 BOUNDI(numverts,0,65536);
365 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
366 BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536 / 3); // max elements limit, rather than max triangles limit
367 loadmodel->numframes = LittleLong(pinmodel->numframes);
368 BOUNDI(loadmodel->numframes,0,65536);
369 loadmodel->synctype = LittleLong (pinmodel->synctype);
370 BOUNDI(loadmodel->synctype,0,2);
371 loadmodel->flags = LittleLong (pinmodel->flags);
373 for (i = 0;i < 3;i++)
375 scale[i] = LittleFloat (pinmodel->scale[i]);
376 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
379 startskins = datapointer;
381 for (i = 0;i < loadmodel->numskins;i++)
383 pinskintype = (daliasskintype_t *)datapointer;
384 datapointer += sizeof(daliasskintype_t);
385 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
389 pinskingroup = (daliasskingroup_t *)datapointer;
390 datapointer += sizeof(daliasskingroup_t);
391 groupskins = LittleLong(pinskingroup->numskins);
392 datapointer += sizeof(daliasskininterval_t) * groupskins;
395 for (j = 0;j < groupskins;j++)
397 datapointer += skinwidth * skinheight;
402 pinstverts = (stvert_t *)datapointer;
403 datapointer += sizeof(stvert_t) * numverts;
405 pintriangles = (dtriangle_t *)datapointer;
406 datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
408 startframes = datapointer;
409 loadmodel->alias.aliasdata_meshes->num_frames = 0;
410 for (i = 0;i < loadmodel->numframes;i++)
412 pinframetype = (daliasframetype_t *)datapointer;
413 datapointer += sizeof(daliasframetype_t);
414 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
418 pinframegroup = (daliasgroup_t *)datapointer;
419 datapointer += sizeof(daliasgroup_t);
420 groupframes = LittleLong(pinframegroup->numframes);
421 datapointer += sizeof(daliasinterval_t) * groupframes;
424 for (j = 0;j < groupframes;j++)
426 datapointer += sizeof(daliasframe_t);
427 datapointer += sizeof(trivertx_t) * numverts;
428 loadmodel->alias.aliasdata_meshes->num_frames++;
432 // store texture coordinates into temporary array, they will be stored
433 // after usage is determined (triangle data)
434 vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
435 vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
436 vertonseam = vertremap + numverts * 2;
438 scales = 1.0 / skinwidth;
439 scalet = 1.0 / skinheight;
440 for (i = 0;i < numverts;i++)
442 vertonseam[i] = LittleLong(pinstverts[i].onseam);
443 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
444 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
445 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
446 vertst[(i+numverts)*2+1] = vertst[i*2+1];
449 // load triangle data
450 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
452 // read the triangle elements
453 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
454 for (j = 0;j < 3;j++)
455 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
456 // validate (note numverts is used because this is the original data)
457 Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
458 // now butcher the elements according to vertonseam and tri->facesfront
459 // and then compact the vertex set to remove duplicates
460 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
461 if (!LittleLong(pintriangles[i].facesfront)) // backface
462 for (j = 0;j < 3;j++)
463 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
464 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
466 // (this uses vertremap to count usage to save some memory)
467 for (i = 0;i < numverts*2;i++)
469 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
470 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
471 // build remapping table and compact array
472 loadmodel->alias.aliasdata_meshes->num_vertices = 0;
473 for (i = 0;i < numverts*2;i++)
477 vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
478 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
479 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
480 loadmodel->alias.aliasdata_meshes->num_vertices++;
483 vertremap[i] = -1; // not used at all
485 // remap the elements to the new vertex set
486 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
487 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
488 // store the texture coordinates
489 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
490 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
492 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
493 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
497 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
498 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);
499 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;
500 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;
501 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;
502 Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
503 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
504 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
505 Mod_CalcAliasModelBBoxes();
511 if ((skinfiles = Mod_LoadSkinFiles()))
513 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
514 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
515 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
516 Mod_FreeSkinFiles(skinfiles);
517 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
518 for (i = 0;i < loadmodel->numskins;i++)
520 loadmodel->skinscenes[i].firstframe = i;
521 loadmodel->skinscenes[i].framecount = 1;
522 loadmodel->skinscenes[i].loop = true;
523 loadmodel->skinscenes[i].framerate = 10;
528 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
529 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
530 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
532 datapointer = startskins;
533 for (i = 0;i < loadmodel->numskins;i++)
535 pinskintype = (daliasskintype_t *)datapointer;
536 datapointer += sizeof(daliasskintype_t);
538 if (pinskintype->type == ALIAS_SKIN_SINGLE)
545 pinskingroup = (daliasskingroup_t *)datapointer;
546 datapointer += sizeof(daliasskingroup_t);
548 groupskins = LittleLong (pinskingroup->numskins);
550 pinskinintervals = (daliasskininterval_t *)datapointer;
551 datapointer += sizeof(daliasskininterval_t) * groupskins;
553 interval = LittleFloat(pinskinintervals[0].interval);
554 if (interval < 0.01f)
555 Host_Error("Mod_IDP0_Load: invalid interval\n");
558 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
559 loadmodel->skinscenes[i].firstframe = totalskins;
560 loadmodel->skinscenes[i].framecount = groupskins;
561 loadmodel->skinscenes[i].framerate = 1.0f / interval;
562 loadmodel->skinscenes[i].loop = true;
564 for (j = 0;j < groupskins;j++)
567 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
569 sprintf (name, "%s_%i", loadmodel->name, i);
570 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
571 Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true, (qbyte *)datapointer, skinwidth, skinheight);
572 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
573 datapointer += skinwidth * skinheight;
577 // check for skins that don't exist in the model, but do exist as external images
578 // (this was added because yummyluv kept pestering me about support for it)
579 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
581 // expand the arrays to make room
582 tempskinscenes = loadmodel->skinscenes;
583 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
584 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
585 Mem_Free(tempskinscenes);
587 tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
588 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(aliasskin_t));
589 memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(aliasskin_t));
590 Mem_Free(tempaliasskins);
592 // store the info about the new skin
593 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
594 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
595 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
596 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
597 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
598 loadmodel->skinscenes[loadmodel->numskins].loop = true;
600 //increase skin counts
601 loadmodel->alias.aliasdata_meshes->num_skins++;
602 loadmodel->numskins++;
608 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
612 for (i = 0;i < numverts;i++, out3f += 3)
614 in = v + vertremap[i];
615 out3f[0] = in->v[0] * scale[0] + translate[0];
616 out3f[1] = in->v[1] * scale[1] + translate[1];
617 out3f[2] = in->v[2] * scale[2] + translate[2];
621 void Mod_IDP2_Load(model_t *mod, void *buffer)
623 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
624 float *stverts, s, t, scale[3], translate[3];
626 qbyte *base, *datapointer;
627 md2frame_t *pinframe;
629 md2triangle_t *intri;
630 unsigned short *inst;
633 struct md2verthash_s *next;
637 *hash, **md2verthash, *md2verthashdata;
638 skinframe_t tempskinframe;
639 skinfile_t *skinfiles;
644 version = LittleLong (pinmodel->version);
645 if (version != MD2ALIAS_VERSION)
646 Host_Error ("%s has wrong version number (%i should be %i)",
647 loadmodel->name, version, MD2ALIAS_VERSION);
649 loadmodel->type = mod_alias;
650 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
651 loadmodel->DrawSky = NULL;
652 loadmodel->Draw = R_Model_Alias_Draw;
653 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
654 loadmodel->DrawLight = R_Model_Alias_DrawLight;
655 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
657 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > (65536 / 3))
658 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
659 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
660 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
661 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
662 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
663 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
664 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
666 end = LittleLong(pinmodel->ofs_end);
667 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
668 Host_Error ("%s is not a valid model", loadmodel->name);
669 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
670 Host_Error ("%s is not a valid model", loadmodel->name);
671 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
672 Host_Error ("%s is not a valid model", loadmodel->name);
673 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
674 Host_Error ("%s is not a valid model", loadmodel->name);
675 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
676 Host_Error ("%s is not a valid model", loadmodel->name);
678 loadmodel->alias.aliasnum_meshes = 1;
679 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
681 loadmodel->numskins = LittleLong(pinmodel->num_skins);
682 numxyz = LittleLong(pinmodel->num_xyz);
683 numst = LittleLong(pinmodel->num_st);
684 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
685 loadmodel->numframes = LittleLong(pinmodel->num_frames);
686 loadmodel->alias.aliasdata_meshes->num_frames = loadmodel->numframes;
687 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
689 loadmodel->flags = 0; // there are no MD2 flags
690 loadmodel->synctype = ST_RAND;
693 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
694 if ((skinfiles = Mod_LoadSkinFiles()))
696 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
697 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
698 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
699 Mod_FreeSkinFiles(skinfiles);
701 else if (loadmodel->numskins)
703 // skins found (most likely not a player model)
704 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
705 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
706 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
708 if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
709 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
712 Con_Printf("Mod_IDP2_Load: missing skin \"%s\"\n", inskin);
713 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
719 // no skins (most likely a player model)
720 loadmodel->numskins = 1;
721 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
722 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
723 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
726 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
727 for (i = 0;i < loadmodel->numskins;i++)
729 loadmodel->skinscenes[i].firstframe = i;
730 loadmodel->skinscenes[i].framecount = 1;
731 loadmodel->skinscenes[i].loop = true;
732 loadmodel->skinscenes[i].framerate = 10;
735 // load the triangles and stvert data
736 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
737 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
738 skinwidth = LittleLong(pinmodel->skinwidth);
739 skinheight = LittleLong(pinmodel->skinheight);
741 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
742 s = 1.0f / skinwidth;
743 t = 1.0f / skinheight;
744 for (i = 0;i < numst;i++)
746 j = (unsigned short) LittleShort(inst[i*2+0]);
747 k = (unsigned short) LittleShort(inst[i*2+1]);
748 if (j >= skinwidth || k >= skinheight)
751 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
753 stverts[i*2+0] = j * s;
754 stverts[i*2+1] = k * t;
757 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
758 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
759 // swap the triangle list
761 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
762 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
764 for (j = 0;j < 3;j++)
766 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
767 st = (unsigned short) LittleShort (intri[i].index_st[j]);
768 if (xyz >= numxyz || st >= numst)
770 Mem_Free(md2verthash);
771 Mem_Free(md2verthashdata);
774 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
776 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
780 hashindex = (xyz * 17 + st) & 255;
781 for (hash = md2verthash[hashindex];hash;hash = hash->next)
782 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
786 hash = md2verthashdata + num++;
790 hash->next = md2verthash[hashindex];
791 md2verthash[hashindex] = hash;
793 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
800 loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
801 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
802 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
803 for (i = 0;i < num;i++)
805 hash = md2verthashdata + i;
806 vertremap[i] = hash->xyz;
807 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
808 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
811 Mem_Free(md2verthash);
812 Mem_Free(md2verthashdata);
815 datapointer = (base + LittleLong(pinmodel->ofs_frames));
816 loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_frames * sizeof(float[4][3]));
817 loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 1;
818 loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 2;
819 loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 3;
820 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_frames;i++)
822 pinframe = (md2frame_t *)datapointer;
823 datapointer += sizeof(md2frame_t);
824 for (j = 0;j < 3;j++)
826 scale[j] = LittleFloat(pinframe->scale[j]);
827 translate[j] = LittleFloat(pinframe->translate[j]);
829 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * numverts * 3, numverts, vertremap);
830 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);
831 datapointer += numxyz * sizeof(trivertx_t);
833 strcpy(loadmodel->animscenes[i].name, pinframe->name);
834 loadmodel->animscenes[i].firstframe = i;
835 loadmodel->animscenes[i].framecount = 1;
836 loadmodel->animscenes[i].framerate = 10;
837 loadmodel->animscenes[i].loop = true;
842 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
843 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
844 Mod_CalcAliasModelBBoxes();
847 void Mod_IDP3_Load(model_t *mod, void *buffer)
849 int i, j, k, version;
850 md3modelheader_t *pinmodel;
851 md3frameinfo_t *pinframe;
855 skinfile_t *skinfiles;
859 if (memcmp(pinmodel->identifier, "IDP3", 4))
860 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
861 version = LittleLong (pinmodel->version);
862 if (version != MD3VERSION)
863 Host_Error ("%s has wrong version number (%i should be %i)",
864 loadmodel->name, version, MD3VERSION);
866 skinfiles = Mod_LoadSkinFiles();
867 if (loadmodel->numskins < 1)
868 loadmodel->numskins = 1;
870 loadmodel->type = mod_alias;
871 loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
872 loadmodel->DrawSky = NULL;
873 loadmodel->Draw = R_Model_Alias_Draw;
874 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
875 loadmodel->DrawLight = R_Model_Alias_DrawLight;
876 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
877 loadmodel->flags = LittleLong(pinmodel->flags);
878 loadmodel->synctype = ST_RAND;
880 // set up some global info about the model
881 loadmodel->numframes = LittleLong(pinmodel->num_frames);
882 loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
884 // make skinscenes for the skins (no groups)
885 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
886 for (i = 0;i < loadmodel->numskins;i++)
888 loadmodel->skinscenes[i].firstframe = i;
889 loadmodel->skinscenes[i].framecount = 1;
890 loadmodel->skinscenes[i].loop = true;
891 loadmodel->skinscenes[i].framerate = 10;
895 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
896 for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
898 strcpy(loadmodel->animscenes[i].name, pinframe->name);
899 loadmodel->animscenes[i].firstframe = i;
900 loadmodel->animscenes[i].framecount = 1;
901 loadmodel->animscenes[i].framerate = 10;
902 loadmodel->animscenes[i].loop = true;
906 loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
907 loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
908 loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
909 for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
911 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
912 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
913 for (j = 0;j < 3;j++)
915 for (k = 0;k < 3;k++)
916 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
917 loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
919 //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);
923 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
924 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)))
926 if (memcmp(pinmesh->identifier, "IDP3", 4))
927 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
928 mesh = loadmodel->alias.aliasdata_meshes + i;
929 mesh->num_skins = loadmodel->numskins;
930 mesh->num_frames = LittleLong(pinmesh->num_frames);
931 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
932 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
933 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
934 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
935 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
936 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
937 mesh->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(float[4][3]));
938 mesh->data_aliassvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 1;
939 mesh->data_aliastvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 2;
940 mesh->data_aliasnormal3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 3;
941 for (j = 0;j < mesh->num_triangles * 3;j++)
942 mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
943 for (j = 0;j < mesh->num_vertices;j++)
945 mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
946 mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
948 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
950 mesh->data_aliasvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
951 mesh->data_aliasvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
952 mesh->data_aliasvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
954 for (j = 0;j < mesh->num_frames;j++)
955 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);
957 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
958 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
960 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
961 Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name);
963 for (j = 0;j < mesh->num_skins;j++)
964 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
966 Mod_CalcAliasModelBBoxes();
967 Mod_FreeSkinFiles(skinfiles);
970 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
971 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
972 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
973 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);
974 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
976 zymtype1header_t *pinmodel, *pheader;
979 pinmodel = (void *)buffer;
981 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
982 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
983 if (BigLong(pinmodel->type) != 1)
984 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
986 loadmodel->type = mod_alias;
987 loadmodel->alias.aliastype = ALIASTYPE_ZYM;
988 loadmodel->DrawSky = NULL;
989 loadmodel->Draw = R_Model_Zymotic_Draw;
990 loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
991 loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
995 pheader->type = BigLong(pinmodel->type);
996 pheader->filesize = BigLong(pinmodel->filesize);
997 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
998 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
999 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1000 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1001 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1002 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1003 pheader->radius = BigFloat(pinmodel->radius);
1004 pheader->numverts = loadmodel->alias.zymnum_verts = BigLong(pinmodel->numverts);
1005 pheader->numtris = loadmodel->alias.zymnum_tris = BigLong(pinmodel->numtris);
1006 pheader->numshaders = loadmodel->alias.zymnum_shaders = BigLong(pinmodel->numshaders);
1007 pheader->numbones = loadmodel->alias.zymnum_bones = BigLong(pinmodel->numbones);
1008 pheader->numscenes = loadmodel->alias.zymnum_scenes = BigLong(pinmodel->numscenes);
1009 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1010 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1011 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1012 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1013 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1014 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1015 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1016 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1017 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1018 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1019 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1020 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1021 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1022 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1023 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1024 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1025 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1026 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1028 loadmodel->flags = 0; // there are no flags
1029 loadmodel->numframes = pheader->numscenes;
1030 loadmodel->synctype = ST_SYNC;
1031 //loadmodel->num_triangles = pheader->num_triangles;
1032 //loadmodel->num_vertices = 0;
1036 float modelradius, corner[2];
1038 modelradius = pheader->radius;
1039 for (i = 0;i < 3;i++)
1041 loadmodel->normalmins[i] = pheader->mins[i];
1042 loadmodel->normalmaxs[i] = pheader->maxs[i];
1043 loadmodel->rotatedmins[i] = -modelradius;
1044 loadmodel->rotatedmaxs[i] = modelradius;
1046 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1047 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1048 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1049 if (loadmodel->yawmaxs[0] > modelradius)
1050 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1051 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1052 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1053 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1054 loadmodel->radius = modelradius;
1055 loadmodel->radius2 = modelradius * modelradius;
1059 // FIXME: add shaders, and make them switchable shader sets and...
1060 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t));
1061 loadmodel->skinscenes[0].firstframe = 0;
1062 loadmodel->skinscenes[0].framecount = 1;
1063 loadmodel->skinscenes[0].loop = true;
1064 loadmodel->skinscenes[0].framerate = 10;
1065 loadmodel->numskins = 1;
1068 // go through the lumps, swapping things
1073 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1074 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1075 scene = (void *) (pheader->lump_scenes.start + pbase);
1076 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1077 for (i = 0;i < pheader->numscenes;i++)
1079 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1080 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1081 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1082 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1083 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1084 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1085 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1086 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1087 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1088 if (loadmodel->animscenes[i].framerate < 0)
1089 Host_Error("Mod_ZYMOTICMODEL_Load: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1097 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1098 loadmodel->alias.zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1099 poses = (void *) (pheader->lump_poses.start + pbase);
1100 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1101 loadmodel->alias.zymdata_poses[i] = BigFloat(poses[i]);
1107 // zymlump_t lump_bones; // zymbone_t bone[numbones];
1108 loadmodel->alias.zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1109 bone = (void *) (pheader->lump_bones.start + pbase);
1110 for (i = 0;i < pheader->numbones;i++)
1112 memcpy(loadmodel->alias.zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1113 loadmodel->alias.zymdata_bones[i].flags = BigLong(bone[i].flags);
1114 loadmodel->alias.zymdata_bones[i].parent = BigLong(bone[i].parent);
1115 if (loadmodel->alias.zymdata_bones[i].parent >= i)
1116 Host_Error("Mod_ZYMOTICMODEL_Load: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1122 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1123 loadmodel->alias.zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1124 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1125 for (i = 0;i < pheader->numverts;i++)
1127 loadmodel->alias.zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1128 if (loadmodel->alias.zymdata_vertbonecounts[i] < 1)
1129 Host_Error("Mod_ZYMOTICMODEL_Load: bone vertex count < 1 in %s\n", loadmodel->name);
1135 zymvertex_t *vertdata;
1136 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1137 loadmodel->alias.zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1138 vertdata = (void *) (pheader->lump_verts.start + pbase);
1139 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1141 loadmodel->alias.zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1142 loadmodel->alias.zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1143 loadmodel->alias.zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1144 loadmodel->alias.zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1150 float *intexcoord2f, *outtexcoord2f;
1151 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1152 loadmodel->alias.zymdata_texcoords = outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1153 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1154 for (i = 0;i < pheader->numverts;i++)
1156 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1157 // flip T coordinate for OpenGL
1158 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1163 int i, count, *renderlist, *renderlistend, *outrenderlist;
1164 // 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)
1165 loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1166 // byteswap, validate, and swap winding order of tris
1167 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1168 if (pheader->lump_render.length != count)
1169 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);
1170 outrenderlist = loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1171 renderlist = (void *) (pheader->lump_render.start + pbase);
1172 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1173 for (i = 0;i < pheader->numshaders;i++)
1175 if (renderlist >= renderlistend)
1176 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1177 count = BigLong(*renderlist);renderlist++;
1178 if (renderlist + count * 3 > renderlistend)
1179 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1180 *outrenderlist++ = count;
1183 outrenderlist[2] = BigLong(renderlist[0]);
1184 outrenderlist[1] = BigLong(renderlist[1]);
1185 outrenderlist[0] = BigLong(renderlist[2]);
1186 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1187 || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1188 || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1189 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1199 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1200 loadmodel->alias.zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1201 shadername = (void *) (pheader->lump_shaders.start + pbase);
1202 for (i = 0;i < pheader->numshaders;i++)
1203 loadmodel->alias.zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1207 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1208 loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1209 memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);