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.
24 static cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0"};
26 void Mod_AliasInit (void)
28 Cvar_RegisterVariable(&r_mipskins);
31 // LordHavoc: proper bounding box considerations
32 static float aliasbboxmin[3], aliasbboxmax[3], modelyawradius, modelradius;
34 static float vertst[MAXALIASVERTS][2];
35 static int vertusage[MAXALIASVERTS];
36 static int vertonseam[MAXALIASVERTS];
37 static int vertremap[MAXALIASVERTS];
38 static int temptris[MAXALIASTRIS][3];
40 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, aliasvertex_t *out)
45 for (i = 0;i < inverts;i++)
47 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
50 temp[0] = v[i].v[0] * scale[0] + translate[0];
51 temp[1] = v[i].v[1] * scale[1] + translate[1];
52 temp[2] = v[i].v[2] * scale[2] + translate[2];
53 // update bounding box
54 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
55 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
56 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
57 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
58 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
59 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
60 dist = temp[0]*temp[0]+temp[1]*temp[1];
61 if (modelyawradius < dist)
62 modelyawradius = dist;
63 dist += temp[2]*temp[2];
64 if (modelradius < dist)
67 j = vertremap[i]; // not onseam
69 VectorCopy(temp, out[j].origin);
70 j = vertremap[i+inverts]; // onseam
72 VectorCopy(temp, out[j].origin);
76 static void Mod_BuildAliasVertexTextureVectors(int numtriangles, const int *elements, int numverts, aliasvertex_t *vertices, const float *texcoords, float *vertexbuffer, float *svectorsbuffer, float *tvectorsbuffer, float *normalsbuffer)
79 for (i = 0;i < numverts;i++)
80 VectorCopy(vertices[i].origin, &vertexbuffer[i * 4]);
81 Mod_BuildTextureVectorsAndNormals(numverts, numtriangles, vertexbuffer, texcoords, elements, svectorsbuffer, tvectorsbuffer, normalsbuffer);
82 for (i = 0;i < numverts;i++)
84 // LordHavoc: alias models are backwards, apparently
85 vertices[i].normal[0] = normalsbuffer[i * 4 + 0];
86 vertices[i].normal[1] = normalsbuffer[i * 4 + 1];
87 vertices[i].normal[2] = normalsbuffer[i * 4 + 2];
88 vertices[i].svector[0] = svectorsbuffer[i * 4 + 0];
89 vertices[i].svector[1] = svectorsbuffer[i * 4 + 1];
90 vertices[i].svector[2] = svectorsbuffer[i * 4 + 2];
94 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *elements, float *texcoords, aliasvertex_t *posedata)
96 int i, f, pose, groupframes;
97 float interval, *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer;
98 daliasframetype_t *pframetype;
99 daliasframe_t *pinframe;
100 daliasgroup_t *group;
101 daliasinterval_t *intervals;
104 scene = loadmodel->animscenes;
105 vertexbuffer = Mem_Alloc(tempmempool, loadmodel->numverts * sizeof(float[4]) * 4);
106 svectorsbuffer = vertexbuffer + loadmodel->numverts * 4;
107 tvectorsbuffer = svectorsbuffer + loadmodel->numverts * 4;
108 normalsbuffer = tvectorsbuffer + loadmodel->numverts * 4;
109 for (f = 0;f < loadmodel->numframes;f++)
111 pframetype = (daliasframetype_t *)datapointer;
112 datapointer += sizeof(daliasframetype_t);
113 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
115 // a single frame is still treated as a group
122 group = (daliasgroup_t *)datapointer;
123 datapointer += sizeof(daliasgroup_t);
124 groupframes = LittleLong (group->numframes);
126 // intervals (time per frame)
127 intervals = (daliasinterval_t *)datapointer;
128 datapointer += sizeof(daliasinterval_t) * groupframes;
130 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
131 if (interval < 0.01f)
132 Host_Error("Mod_LoadAliasGroup: invalid interval");
135 // get scene name from first frame
136 pinframe = (daliasframe_t *)datapointer;
138 strcpy(scene->name, pinframe->name);
139 scene->firstframe = pose;
140 scene->framecount = groupframes;
141 scene->framerate = 1.0f / interval;
146 for (i = 0;i < groupframes;i++)
148 pinframe = (daliasframe_t *)datapointer;
149 datapointer += sizeof(daliasframe_t);
150 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, posedata + pose * loadmodel->numverts);
151 Mod_BuildAliasVertexTextureVectors(loadmodel->numtris, elements, loadmodel->numverts, posedata + pose * loadmodel->numverts, texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer);
152 datapointer += sizeof(trivertx_t) * inverts;
156 Mem_Free(vertexbuffer);
159 static rtexture_t *GL_TextureForSkinLayer(const qbyte *in, int width, int height, const char *name, const unsigned int *palette, int precache)
162 for (i = 0;i < width*height;i++)
163 if (((qbyte *)&palette[in[i]])[3] > 0)
164 return R_LoadTexture2D (loadmodel->texturepool, name, width, height, in, TEXTYPE_PALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0), palette);
168 static int Mod_LoadExternalSkin (char *basename, skinframe_t *skinframe, int precache)
170 skinframe->base = loadtextureimagewithmaskandnmap(loadmodel->texturepool, va("%s_normal", basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
171 if (!skinframe->base)
172 skinframe->base = loadtextureimagewithmaskandnmap(loadmodel->texturepool, basename, 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
173 skinframe->fog = image_masktex;
174 skinframe->nmap = image_nmaptex;
175 skinframe->gloss = loadtextureimage(loadmodel->texturepool, va("%s_gloss" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
176 skinframe->pants = loadtextureimage(loadmodel->texturepool, va("%s_pants" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
177 skinframe->shirt = loadtextureimage(loadmodel->texturepool, va("%s_shirt" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
178 skinframe->glow = loadtextureimage(loadmodel->texturepool, va("%s_glow" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
179 skinframe->merged = NULL;
180 return skinframe->base != NULL || skinframe->pants != NULL || skinframe->shirt != NULL || skinframe->glow != NULL;
183 static int Mod_LoadInternalSkin (char *basename, qbyte *skindata, int width, int height, skinframe_t *skinframe, int precache)
185 qbyte *temp1, *temp2;
188 temp1 = Mem_Alloc(loadmodel->mempool, width * height * 8);
189 temp2 = temp1 + width * height * 4;
190 Image_Copy8bitRGBA(skindata, temp1, width * height, palette_nofullbrights);
191 Image_HeightmapToNormalmap(temp1, temp2, width, height, false, 1);
192 skinframe->nmap = R_LoadTexture2D(loadmodel->texturepool, va("%s_nmap", basename), width, height, temp2, TEXTYPE_RGBA, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0), NULL);
194 skinframe->gloss = NULL;
195 skinframe->pants = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, false); // pants
196 skinframe->shirt = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, false); // shirt
197 skinframe->glow = GL_TextureForSkinLayer(skindata, width, height, va("%s_glow", basename), palette_onlyfullbrights, precache); // glow
198 if (skinframe->pants || skinframe->shirt)
200 skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_normal", basename), palette_nocolormapnofullbrights, false); // normal (no special colors)
201 skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_body", basename), palette_nofullbrights, precache); // body (normal + pants + shirt, but not glow)
204 skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_base", basename), palette_nofullbrights, precache); // no special colors
205 // quake model skins don't have alpha
206 skinframe->fog = NULL;
210 void Mod_BuildMDLMD2MeshInfo(int *elements, float *texcoords, aliasvertex_t *posedata)
216 skinframe_t *skinframe;
218 loadmodel->aliasnum_meshes = 1;
219 mesh = loadmodel->aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->aliasnum_meshes * sizeof(aliasmesh_t));
221 mesh->num_frames = 0;
222 for (i = 0;i < loadmodel->numframes;i++)
223 mesh->num_frames += loadmodel->animscenes[i].framecount;
224 for (i = 0;i < loadmodel->numskins;i++)
225 mesh->num_skins += loadmodel->skinscenes[i].framecount;
226 mesh->num_triangles = loadmodel->numtris;
227 mesh->num_vertices = loadmodel->numverts;
228 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
229 mesh->data_elements = elements;
230 mesh->data_neighbors = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
231 Mod_ValidateElements(mesh->data_elements, loadmodel->numtris, loadmodel->numverts, __FILE__, __LINE__);
232 Mod_BuildTriangleNeighbors(mesh->data_neighbors, elements, loadmodel->numtris);
233 mesh->data_texcoords = texcoords;
234 mesh->data_vertices = posedata;
235 for (i = 0, skin = mesh->data_skins, skinframe = loadmodel->skinframes;i < mesh->num_skins;i++, skin++, skinframe++)
238 // fog texture only exists if some pixels are transparent...
239 if (skinframe->fog != NULL)
240 skin->flags |= ALIASSKIN_TRANSPARENT;
241 // fog and gloss layers always exist
242 skin->num_layers = 2;
243 if (skinframe->glow != NULL)
245 if (skinframe->merged != NULL)
246 skin->num_layers += 2;
247 if (skinframe->base != NULL)
248 skin->num_layers += 2;
249 if (skinframe->pants != NULL)
250 skin->num_layers += 2;
251 if (skinframe->shirt != NULL)
252 skin->num_layers += 2;
253 layer = skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
254 if (skinframe->glow != NULL)
257 layer->texture = skinframe->glow;
260 if (skinframe->merged != NULL)
262 layer->flags = ALIASLAYER_NODRAW_IF_COLORMAPPED | ALIASLAYER_DIFFUSE;
263 if (skinframe->glow != NULL)
264 layer->flags |= ALIASLAYER_ADD;
265 layer->texture = skinframe->merged;
266 layer->nmap = skinframe->nmap;
269 if (skinframe->base != NULL)
271 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE;
272 if (skinframe->glow != NULL)
273 layer->flags |= ALIASLAYER_ADD;
274 layer->texture = skinframe->base;
275 layer->nmap = skinframe->nmap;
278 if (skinframe->pants != NULL)
280 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
281 if (skinframe->glow != NULL || skinframe->base != NULL)
282 layer->flags |= ALIASLAYER_ADD;
283 layer->texture = skinframe->pants;
284 layer->nmap = skinframe->nmap;
287 if (skinframe->shirt != NULL)
289 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
290 if (skinframe->glow != NULL || skinframe->base != NULL || skinframe->pants != NULL)
291 layer->flags |= ALIASLAYER_ADD;
292 layer->texture = skinframe->shirt;
293 layer->nmap = skinframe->nmap;
296 layer->flags = ALIASLAYER_FOG;
297 layer->texture = skinframe->fog;
299 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_SPECULAR;
300 layer->texture = skinframe->gloss;
301 layer->nmap = skinframe->nmap;
303 if (skinframe->merged != NULL)
305 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_COLORMAPPED | ALIASLAYER_DIFFUSE;
306 layer->texture = skinframe->merged;
307 layer->nmap = skinframe->nmap;
310 if (skinframe->base != NULL)
312 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE;
313 layer->texture = skinframe->base;
314 layer->nmap = skinframe->nmap;
317 if (skinframe->pants != NULL)
319 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_PANTS;
320 layer->texture = skinframe->pants;
321 layer->nmap = skinframe->nmap;
324 if (skinframe->shirt != NULL)
326 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
327 layer->texture = skinframe->shirt;
328 layer->nmap = skinframe->nmap;
334 #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);
335 #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);
336 extern void R_Model_Alias_Draw(entity_render_t *ent);
337 extern void R_Model_Alias_DrawFakeShadow(entity_render_t *ent);
338 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
339 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
340 void Mod_LoadAliasModel (model_t *mod, void *buffer)
342 int i, j, version, numverts, totalposes, totalskins, skinwidth, skinheight, totalverts, groupframes, groupskins, *elements;
343 float scales, scalet, scale[3], translate[3], interval, *texcoords;
345 stvert_t *pinstverts;
346 dtriangle_t *pintriangles;
347 daliasskintype_t *pinskintype;
348 daliasskingroup_t *pinskingroup;
349 daliasskininterval_t *pinskinintervals;
350 daliasframetype_t *pinframetype;
351 daliasgroup_t *pinframegroup;
352 aliasvertex_t *posedata;
353 qbyte *datapointer, *startframes, *startskins;
354 char name[MAX_QPATH];
355 skinframe_t tempskinframe;
356 animscene_t *tempskinscenes;
357 skinframe_t *tempskinframes;
361 datapointer = buffer;
362 pinmodel = (mdl_t *)datapointer;
363 datapointer += sizeof(mdl_t);
365 version = LittleLong (pinmodel->version);
366 if (version != ALIAS_VERSION)
367 Host_Error ("%s has wrong version number (%i should be %i)",
368 loadmodel->name, version, ALIAS_VERSION);
370 loadmodel->type = mod_alias;
371 loadmodel->aliastype = ALIASTYPE_ALIAS;
372 loadmodel->DrawSky = NULL;
373 loadmodel->Draw = R_Model_Alias_Draw;
374 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
375 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
376 loadmodel->DrawLight = R_Model_Alias_DrawLight;
378 loadmodel->numskins = LittleLong(pinmodel->numskins);
379 BOUNDI(loadmodel->numskins,0,256);
380 skinwidth = LittleLong (pinmodel->skinwidth);
381 BOUNDI(skinwidth,0,4096);
382 skinheight = LittleLong (pinmodel->skinheight);
383 BOUNDI(skinheight,0,4096);
384 loadmodel->numverts = numverts = LittleLong(pinmodel->numverts);
385 BOUNDI(loadmodel->numverts,0,MAXALIASVERTS);
386 loadmodel->numtris = LittleLong(pinmodel->numtris);
387 BOUNDI(loadmodel->numtris,0,MAXALIASTRIS);
388 loadmodel->numframes = LittleLong(pinmodel->numframes);
389 BOUNDI(loadmodel->numframes,0,65536);
390 loadmodel->synctype = LittleLong (pinmodel->synctype);
391 BOUNDI(loadmodel->synctype,0,2);
392 loadmodel->flags = LittleLong (pinmodel->flags);
394 for (i = 0;i < 3;i++)
396 scale[i] = LittleFloat (pinmodel->scale[i]);
397 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
400 startskins = datapointer;
402 for (i = 0;i < loadmodel->numskins;i++)
404 pinskintype = (daliasskintype_t *)datapointer;
405 datapointer += sizeof(daliasskintype_t);
406 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
410 pinskingroup = (daliasskingroup_t *)datapointer;
411 datapointer += sizeof(daliasskingroup_t);
412 groupskins = LittleLong(pinskingroup->numskins);
413 datapointer += sizeof(daliasskininterval_t) * groupskins;
416 for (j = 0;j < groupskins;j++)
418 datapointer += skinwidth * skinheight;
423 pinstverts = (stvert_t *)datapointer;
424 datapointer += sizeof(stvert_t) * numverts;
426 pintriangles = (dtriangle_t *)datapointer;
427 datapointer += sizeof(dtriangle_t) * loadmodel->numtris;
429 startframes = datapointer;
431 for (i = 0;i < loadmodel->numframes;i++)
433 pinframetype = (daliasframetype_t *)datapointer;
434 datapointer += sizeof(daliasframetype_t);
435 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
439 pinframegroup = (daliasgroup_t *)datapointer;
440 datapointer += sizeof(daliasgroup_t);
441 groupframes = LittleLong(pinframegroup->numframes);
442 datapointer += sizeof(daliasinterval_t) * groupframes;
445 for (j = 0;j < groupframes;j++)
447 datapointer += sizeof(daliasframe_t);
448 datapointer += sizeof(trivertx_t) * numverts;
454 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
455 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, totalskins * sizeof(skinframe_t));
457 datapointer = startskins;
458 for (i = 0;i < loadmodel->numskins;i++)
460 pinskintype = (daliasskintype_t *)datapointer;
461 datapointer += sizeof(daliasskintype_t);
463 if (pinskintype->type == ALIAS_SKIN_SINGLE)
470 pinskingroup = (daliasskingroup_t *)datapointer;
471 datapointer += sizeof(daliasskingroup_t);
473 groupskins = LittleLong (pinskingroup->numskins);
475 pinskinintervals = (daliasskininterval_t *)datapointer;
476 datapointer += sizeof(daliasskininterval_t) * groupskins;
478 interval = LittleFloat(pinskinintervals[0].interval);
479 if (interval < 0.01f)
480 Host_Error("Mod_LoadAliasModel: invalid interval\n");
483 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
484 loadmodel->skinscenes[i].firstframe = totalskins;
485 loadmodel->skinscenes[i].framecount = groupskins;
486 loadmodel->skinscenes[i].framerate = 1.0f / interval;
487 loadmodel->skinscenes[i].loop = true;
489 for (j = 0;j < groupskins;j++)
492 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
494 sprintf (name, "%s_%i", loadmodel->name, i);
495 if (!Mod_LoadExternalSkin(name, loadmodel->skinframes + totalskins, i == 0))
496 Mod_LoadInternalSkin(name, (qbyte *)datapointer, skinwidth, skinheight, loadmodel->skinframes + totalskins, i == 0);
497 datapointer += skinwidth * skinheight;
501 // check for skins that don't exist in the model, but do exist as external images
502 // (this was added because yummyluv kept pestering me about support for it)
505 sprintf (name, "%s_%i", loadmodel->name, loadmodel->numskins);
506 if (Mod_LoadExternalSkin(name, &tempskinframe, loadmodel->numskins == 0))
508 // expand the arrays to make room
509 tempskinscenes = loadmodel->skinscenes;
510 tempskinframes = loadmodel->skinframes;
511 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
512 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(skinframe_t));
513 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
514 memcpy(loadmodel->skinframes, tempskinframes, totalskins * sizeof(skinframe_t));
515 Mem_Free(tempskinscenes);
516 Mem_Free(tempskinframes);
517 // store the info about the new skin
518 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
519 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
520 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
521 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
522 loadmodel->skinscenes[loadmodel->numskins].loop = true;
523 loadmodel->skinframes[totalskins] = tempskinframe;
524 loadmodel->numskins++;
531 // store texture coordinates into temporary array, they will be stored after usage is determined (triangle data)
532 scales = 1.0 / skinwidth;
533 scalet = 1.0 / skinheight;
534 for (i = 0;i < numverts;i++)
536 vertonseam[i] = LittleLong(pinstverts[i].onseam);
537 vertst[i][0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
538 vertst[i][1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
539 vertst[i+numverts][0] = vertst[i][0] + 0.5;
540 vertst[i+numverts][1] = vertst[i][1];
542 vertusage[i+numverts] = 0;
545 // load triangle data
546 elements = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->numtris);
548 // count the vertices used
549 for (i = 0;i < numverts*2;i++)
551 for (i = 0;i < loadmodel->numtris;i++)
553 temptris[i][0] = LittleLong(pintriangles[i].vertindex[0]);
554 temptris[i][1] = LittleLong(pintriangles[i].vertindex[1]);
555 temptris[i][2] = LittleLong(pintriangles[i].vertindex[2]);
556 if (!LittleLong(pintriangles[i].facesfront)) // backface
558 if (vertonseam[temptris[i][0]]) temptris[i][0] += numverts;
559 if (vertonseam[temptris[i][1]]) temptris[i][1] += numverts;
560 if (vertonseam[temptris[i][2]]) temptris[i][2] += numverts;
562 vertusage[temptris[i][0]]++;
563 vertusage[temptris[i][1]]++;
564 vertusage[temptris[i][2]]++;
566 // build remapping table and compact array
568 for (i = 0;i < numverts*2;i++)
572 vertremap[i] = totalverts;
573 vertst[totalverts][0] = vertst[i][0];
574 vertst[totalverts][1] = vertst[i][1];
578 vertremap[i] = -1; // not used at all
580 loadmodel->numverts = totalverts;
581 // remap the triangle references
582 for (i = 0;i < loadmodel->numtris;i++)
584 elements[i*3+0] = vertremap[temptris[i][0]];
585 elements[i*3+1] = vertremap[temptris[i][1]];
586 elements[i*3+2] = vertremap[temptris[i][2]];
588 // store the texture coordinates
589 texcoords = Mem_Alloc(loadmodel->mempool, sizeof(float[4]) * totalverts);
590 for (i = 0;i < totalverts;i++)
592 texcoords[i*4+0] = vertst[i][0];
593 texcoords[i*4+1] = vertst[i][1];
597 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
598 posedata = Mem_Alloc(loadmodel->mempool, sizeof(aliasvertex_t) * totalposes * totalverts);
600 // LordHavoc: doing proper bbox for model
601 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
602 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
604 Mod_MDL_LoadFrames (startframes, numverts, scale, translate, elements, texcoords, posedata);
606 modelyawradius = sqrt(modelyawradius);
607 modelradius = sqrt(modelradius);
608 for (j = 0;j < 3;j++)
610 loadmodel->normalmins[j] = aliasbboxmin[j];
611 loadmodel->normalmaxs[j] = aliasbboxmax[j];
612 loadmodel->rotatedmins[j] = -modelradius;
613 loadmodel->rotatedmaxs[j] = modelradius;
615 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
616 loadmodel->yawmins[2] = loadmodel->normalmins[2];
617 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
618 loadmodel->radius = modelradius;
619 loadmodel->radius2 = modelradius * modelradius;
621 Mod_BuildMDLMD2MeshInfo(elements, texcoords, posedata);
624 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, aliasvertex_t *out, int *vertremap)
630 for (i = 0;i < loadmodel->numverts;i++)
632 in = v + vertremap[i];
633 temp[0] = in->v[0] * scale[0] + translate[0];
634 temp[1] = in->v[1] * scale[1] + translate[1];
635 temp[2] = in->v[2] * scale[2] + translate[2];
636 // update bounding box
637 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
638 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
639 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
640 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
641 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
642 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
643 dist = temp[0]*temp[0]+temp[1]*temp[1];
644 if (modelyawradius < dist)
645 modelyawradius = dist;
646 dist += temp[2]*temp[2];
647 if (modelradius < dist)
649 VectorCopy(temp, out[i].origin);
653 void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
655 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, *elements;
656 float *stverts, s, t, scale[3], translate[3], *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer, *texcoords;
657 aliasvertex_t *posedata;
659 qbyte *base, *datapointer;
660 md2frame_t *pinframe;
662 md2triangle_t *intri;
663 unsigned short *inst;
666 struct md2verthash_s *next;
670 *hash, **md2verthash, *md2verthashdata;
675 version = LittleLong (pinmodel->version);
676 if (version != MD2ALIAS_VERSION)
677 Host_Error ("%s has wrong version number (%i should be %i)",
678 loadmodel->name, version, MD2ALIAS_VERSION);
680 loadmodel->type = mod_alias;
681 loadmodel->aliastype = ALIASTYPE_ALIAS;
682 loadmodel->DrawSky = NULL;
683 loadmodel->Draw = R_Model_Alias_Draw;
684 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
685 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
686 loadmodel->DrawLight = R_Model_Alias_DrawLight;
688 if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > MD2MAX_TRIANGLES)
689 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
690 if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > MD2MAX_VERTS)
691 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
692 if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > MD2MAX_FRAMES)
693 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
694 if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > MAX_SKINS)
695 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
697 end = LittleLong(pinmodel->ofs_end);
698 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
699 Host_Error ("%s is not a valid model", loadmodel->name);
700 if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
701 Host_Error ("%s is not a valid model", loadmodel->name);
702 if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
703 Host_Error ("%s is not a valid model", loadmodel->name);
704 if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
705 Host_Error ("%s is not a valid model", loadmodel->name);
706 if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
707 Host_Error ("%s is not a valid model", loadmodel->name);
709 loadmodel->numskins = LittleLong(pinmodel->num_skins);
710 numxyz = LittleLong(pinmodel->num_xyz);
711 numst = LittleLong(pinmodel->num_st);
712 loadmodel->numtris = LittleLong(pinmodel->num_tris);
713 loadmodel->numframes = LittleLong(pinmodel->num_frames);
715 loadmodel->flags = 0; // there are no MD2 flags
716 loadmodel->synctype = ST_RAND;
719 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
720 if (loadmodel->numskins)
722 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins + sizeof(skinframe_t) * loadmodel->numskins);
723 loadmodel->skinframes = (void *)(loadmodel->skinscenes + loadmodel->numskins);
724 for (i = 0;i < loadmodel->numskins;i++)
726 loadmodel->skinscenes[i].firstframe = i;
727 loadmodel->skinscenes[i].framecount = 1;
728 loadmodel->skinscenes[i].loop = true;
729 loadmodel->skinscenes[i].framerate = 10;
730 loadmodel->skinframes[i].base = loadtextureimagewithmaskandnmap (loadmodel->texturepool, inskin, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
731 loadmodel->skinframes[i].fog = image_masktex;
732 loadmodel->skinframes[i].nmap = image_nmaptex;
733 loadmodel->skinframes[i].gloss = NULL;
734 loadmodel->skinframes[i].pants = NULL;
735 loadmodel->skinframes[i].shirt = NULL;
736 loadmodel->skinframes[i].glow = NULL;
737 loadmodel->skinframes[i].merged = NULL;
738 inskin += MD2MAX_SKINNAME;
742 // load the triangles and stvert data
743 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
744 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
745 skinwidth = LittleLong(pinmodel->skinwidth);
746 skinheight = LittleLong(pinmodel->skinheight);
748 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
749 s = 1.0f / skinwidth;
750 t = 1.0f / skinheight;
751 for (i = 0;i < numst;i++)
753 j = (unsigned short) LittleShort(inst[i*2+0]);
754 k = (unsigned short) LittleShort(inst[i*2+1]);
755 if (j >= skinwidth || k >= skinheight)
758 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
760 stverts[i*2+0] = j * s;
761 stverts[i*2+1] = k * t;
764 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
765 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->numtris * 3 * sizeof(*hash));
766 // swap the triangle list
768 elements = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
769 for (i = 0;i < loadmodel->numtris;i++)
771 for (j = 0;j < 3;j++)
773 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
774 st = (unsigned short) LittleShort (intri[i].index_st[j]);
775 if (xyz >= numxyz || st >= numst)
777 Mem_Free(md2verthash);
778 Mem_Free(md2verthashdata);
781 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
783 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
787 hashindex = (xyz * 17 + st) & 255;
788 for (hash = md2verthash[hashindex];hash;hash = hash->next)
789 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
793 hash = md2verthashdata + num++;
797 hash->next = md2verthash[hashindex];
798 md2verthash[hashindex] = hash;
800 elements[i*3+j] = (hash - md2verthashdata);
806 loadmodel->numverts = num;
807 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
808 texcoords = Mem_Alloc(loadmodel->mempool, num * sizeof(float[4]));
809 for (i = 0;i < num;i++)
811 hash = md2verthashdata + i;
812 vertremap[i] = hash->xyz;
813 texcoords[i*4+0] = hash->st[0];
814 texcoords[i*4+1] = hash->st[1];
817 Mem_Free(md2verthash);
818 Mem_Free(md2verthashdata);
821 // LordHavoc: doing proper bbox for model
822 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
823 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
827 datapointer = (base + LittleLong(pinmodel->ofs_frames));
829 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
830 posedata = Mem_Alloc(loadmodel->mempool, loadmodel->numverts * loadmodel->numframes * sizeof(trivertx_t));
832 vertexbuffer = Mem_Alloc(tempmempool, loadmodel->numverts * sizeof(float[4]) * 4);
833 svectorsbuffer = vertexbuffer + loadmodel->numverts * 4;
834 tvectorsbuffer = svectorsbuffer + loadmodel->numverts * 4;
835 normalsbuffer = tvectorsbuffer + loadmodel->numverts * 4;
836 for (i = 0;i < loadmodel->numframes;i++)
838 pinframe = (md2frame_t *)datapointer;
839 datapointer += sizeof(md2frame_t);
840 for (j = 0;j < 3;j++)
842 scale[j] = LittleFloat(pinframe->scale[j]);
843 translate[j] = LittleFloat(pinframe->translate[j]);
845 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, posedata + i * loadmodel->numverts, vertremap);
846 Mod_BuildAliasVertexTextureVectors(loadmodel->numtris, elements, loadmodel->numverts, posedata + i * loadmodel->numverts, texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer);
847 datapointer += numxyz * sizeof(trivertx_t);
849 strcpy(loadmodel->animscenes[i].name, pinframe->name);
850 loadmodel->animscenes[i].firstframe = i;
851 loadmodel->animscenes[i].framecount = 1;
852 loadmodel->animscenes[i].framerate = 10;
853 loadmodel->animscenes[i].loop = true;
855 Mem_Free(vertexbuffer);
859 // LordHavoc: model bbox
860 modelyawradius = sqrt(modelyawradius);
861 modelradius = sqrt(modelradius);
862 for (j = 0;j < 3;j++)
864 loadmodel->normalmins[j] = aliasbboxmin[j];
865 loadmodel->normalmaxs[j] = aliasbboxmax[j];
866 loadmodel->rotatedmins[j] = -modelradius;
867 loadmodel->rotatedmaxs[j] = modelradius;
869 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
870 loadmodel->yawmins[2] = loadmodel->normalmins[2];
871 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
872 loadmodel->radius = modelradius;
873 loadmodel->radius2 = modelradius * modelradius;
875 Mod_BuildMDLMD2MeshInfo(elements, texcoords, posedata);
878 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
879 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
880 extern void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent);
881 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
882 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
883 void Mod_LoadZymoticModel(model_t *mod, void *buffer)
885 zymtype1header_t *pinmodel, *pheader;
888 pinmodel = (void *)buffer;
890 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
891 Host_Error ("Mod_LoadZymoticModel: %s is not a zymotic model\n");
892 if (BigLong(pinmodel->type) != 1)
893 Host_Error ("Mod_LoadZymoticModel: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
895 loadmodel->type = mod_alias;
896 loadmodel->aliastype = ALIASTYPE_ZYM;
897 loadmodel->DrawSky = NULL;
898 loadmodel->Draw = R_Model_Zymotic_Draw;
899 loadmodel->DrawFakeShadow = NULL;//R_Model_Zymotic_DrawFakeShadow;
900 loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
901 loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
905 pheader->type = BigLong(pinmodel->type);
906 pheader->filesize = BigLong(pinmodel->filesize);
907 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
908 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
909 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
910 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
911 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
912 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
913 pheader->radius = BigFloat(pinmodel->radius);
914 pheader->numverts = loadmodel->zymnum_verts = BigLong(pinmodel->numverts);
915 pheader->numtris = loadmodel->zymnum_tris = BigLong(pinmodel->numtris);
916 pheader->numshaders = loadmodel->zymnum_shaders = BigLong(pinmodel->numshaders);
917 pheader->numbones = loadmodel->zymnum_bones = BigLong(pinmodel->numbones);
918 pheader->numscenes = loadmodel->zymnum_scenes = BigLong(pinmodel->numscenes);
919 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
920 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
921 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
922 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
923 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
924 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
925 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
926 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
927 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
928 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
929 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
930 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
931 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
932 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
933 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
934 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
935 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
936 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
938 loadmodel->flags = 0; // there are no flags
939 loadmodel->numframes = pheader->numscenes;
940 loadmodel->synctype = ST_SYNC;
941 loadmodel->numtris = pheader->numtris;
942 loadmodel->numverts = 0;
946 float modelradius, corner[2];
948 modelradius = pheader->radius;
949 for (i = 0;i < 3;i++)
951 loadmodel->normalmins[i] = pheader->mins[i];
952 loadmodel->normalmaxs[i] = pheader->maxs[i];
953 loadmodel->rotatedmins[i] = -modelradius;
954 loadmodel->rotatedmaxs[i] = modelradius;
956 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
957 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
958 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
959 if (loadmodel->yawmaxs[0] > modelradius)
960 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
961 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
962 loadmodel->yawmins[2] = loadmodel->normalmins[2];
963 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
964 loadmodel->radius = modelradius;
965 loadmodel->radius2 = modelradius * modelradius;
969 // FIXME: add shaders, and make them switchable shader sets and...
970 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) + sizeof(skinframe_t));
971 loadmodel->skinscenes[0].firstframe = 0;
972 loadmodel->skinscenes[0].framecount = 1;
973 loadmodel->skinscenes[0].loop = true;
974 loadmodel->skinscenes[0].framerate = 10;
975 loadmodel->skinframes = (void *)(loadmodel->skinscenes + 1);
976 loadmodel->skinframes->base = NULL;
977 loadmodel->skinframes->fog = NULL;
978 loadmodel->skinframes->pants = NULL;
979 loadmodel->skinframes->shirt = NULL;
980 loadmodel->skinframes->glow = NULL;
981 loadmodel->skinframes->merged = NULL;
982 loadmodel->numskins = 1;
985 // go through the lumps, swapping things
990 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
991 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
992 scene = (void *) (pheader->lump_scenes.start + pbase);
993 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
994 for (i = 0;i < pheader->numscenes;i++)
996 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
997 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
998 loadmodel->animscenes[i].framecount = BigLong(scene->length);
999 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1000 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1001 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1002 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1003 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1004 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1005 if (loadmodel->animscenes[i].framerate < 0)
1006 Host_Error("Mod_LoadZymoticModel: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1014 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1015 loadmodel->zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1016 poses = (void *) (pheader->lump_poses.start + pbase);
1017 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1018 loadmodel->zymdata_poses[i] = BigFloat(poses[i]);
1024 // zymlump_t lump_bones; // zymbone_t bone[numbones];
1025 loadmodel->zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1026 bone = (void *) (pheader->lump_bones.start + pbase);
1027 for (i = 0;i < pheader->numbones;i++)
1029 memcpy(loadmodel->zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1030 loadmodel->zymdata_bones[i].flags = BigLong(bone[i].flags);
1031 loadmodel->zymdata_bones[i].parent = BigLong(bone[i].parent);
1032 if (loadmodel->zymdata_bones[i].parent >= i)
1033 Host_Error("Mod_LoadZymoticModel: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1039 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1040 loadmodel->zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1041 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1042 for (i = 0;i < pheader->numverts;i++)
1044 loadmodel->zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1045 if (loadmodel->zymdata_vertbonecounts[i] < 1)
1046 Host_Error("Mod_LoadZymoticModel: bone vertex count < 1 in %s\n", loadmodel->name);
1052 zymvertex_t *vertdata;
1053 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1054 loadmodel->zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1055 vertdata = (void *) (pheader->lump_verts.start + pbase);
1056 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1058 loadmodel->zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1059 loadmodel->zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1060 loadmodel->zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1061 loadmodel->zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1067 float *intexcoord, *outtexcoord;
1068 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1069 loadmodel->zymdata_texcoords = outtexcoord = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[4]));
1070 intexcoord = (void *) (pheader->lump_texcoords.start + pbase);
1071 for (i = 0;i < pheader->numverts;i++)
1073 outtexcoord[i*4+0] = BigFloat(intexcoord[i*2+0]);
1074 // flip T coordinate for OpenGL
1075 outtexcoord[i*4+1] = 1 - BigFloat(intexcoord[i*2+1]);
1080 int i, count, *renderlist, *renderlistend, *outrenderlist;
1081 // 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)
1082 loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1083 // byteswap, validate, and swap winding order of tris
1084 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1085 if (pheader->lump_render.length != count)
1086 Host_Error("Mod_LoadZymoticModel: renderlist is wrong size in %s (is %i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1087 outrenderlist = loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1088 renderlist = (void *) (pheader->lump_render.start + pbase);
1089 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1090 for (i = 0;i < pheader->numshaders;i++)
1092 if (renderlist >= renderlistend)
1093 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1094 count = BigLong(*renderlist);renderlist++;
1095 if (renderlist + count * 3 > renderlistend)
1096 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1097 *outrenderlist++ = count;
1100 outrenderlist[2] = BigLong(renderlist[0]);
1101 outrenderlist[1] = BigLong(renderlist[1]);
1102 outrenderlist[0] = BigLong(renderlist[2]);
1103 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1104 || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1105 || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1106 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1116 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1117 loadmodel->zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1118 shadername = (void *) (pheader->lump_shaders.start + pbase);
1119 for (i = 0;i < pheader->numshaders;i++)
1120 loadmodel->zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1124 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1125 loadmodel->zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1126 memcpy(loadmodel->zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);