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 VectorScale(temp, 16.0f, temp);
68 temp[0] = bound(-32768, temp[0], 32767);
69 temp[1] = bound(-32768, temp[1], 32767);
70 temp[2] = bound(-32768, temp[2], 32767);
72 j = vertremap[i]; // not onseam
74 VectorCopy(temp, out[j].origin);
75 j = vertremap[i+inverts]; // onseam
77 VectorCopy(temp, out[j].origin);
81 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)
84 for (i = 0;i < numverts;i++)
85 VectorScale(vertices[i].origin, (1.0f / 16.0f), &vertexbuffer[i * 4]);
86 Mod_BuildTextureVectorsAndNormals(numverts, numtriangles, vertexbuffer, texcoords, elements, svectorsbuffer, tvectorsbuffer, normalsbuffer);
87 for (i = 0;i < numverts;i++)
89 vertices[i].normal[0] = normalsbuffer[i * 4 + 0] * 127.0f;
90 vertices[i].normal[1] = normalsbuffer[i * 4 + 1] * 127.0f;
91 vertices[i].normal[2] = normalsbuffer[i * 4 + 2] * 127.0f;
92 vertices[i].svector[0] = svectorsbuffer[i * 4 + 0] * 127.0f;
93 vertices[i].svector[1] = svectorsbuffer[i * 4 + 1] * 127.0f;
94 vertices[i].svector[2] = svectorsbuffer[i * 4 + 2] * 127.0f;
98 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate)
100 daliasframetype_t *pframetype;
101 daliasframe_t *pinframe;
102 daliasgroup_t *group;
103 daliasinterval_t *intervals;
104 int i, f, pose, groupframes;
107 float *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer;
109 scene = loadmodel->animscenes;
110 vertexbuffer = Mem_Alloc(tempmempool, loadmodel->numverts * sizeof(float[4]) * 4);
111 svectorsbuffer = vertexbuffer + loadmodel->numverts * 4;
112 tvectorsbuffer = svectorsbuffer + loadmodel->numverts * 4;
113 normalsbuffer = tvectorsbuffer + loadmodel->numverts * 4;
114 for (f = 0;f < loadmodel->numframes;f++)
116 pframetype = (daliasframetype_t *)datapointer;
117 datapointer += sizeof(daliasframetype_t);
118 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
120 // a single frame is still treated as a group
127 group = (daliasgroup_t *)datapointer;
128 datapointer += sizeof(daliasgroup_t);
129 groupframes = LittleLong (group->numframes);
131 // intervals (time per frame)
132 intervals = (daliasinterval_t *)datapointer;
133 datapointer += sizeof(daliasinterval_t) * groupframes;
135 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
136 if (interval < 0.01f)
137 Host_Error("Mod_LoadAliasGroup: invalid interval");
140 // get scene name from first frame
141 pinframe = (daliasframe_t *)datapointer;
143 strcpy(scene->name, pinframe->name);
144 scene->firstframe = pose;
145 scene->framecount = groupframes;
146 scene->framerate = 1.0f / interval;
151 for (i = 0;i < groupframes;i++)
153 pinframe = (daliasframe_t *)datapointer;
154 datapointer += sizeof(daliasframe_t);
155 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->mdlmd2data_pose + pose * loadmodel->numverts);
156 Mod_BuildAliasVertexTextureVectors(loadmodel->numtris, loadmodel->mdlmd2data_indices, loadmodel->numverts, loadmodel->mdlmd2data_pose + pose * loadmodel->numverts, loadmodel->mdlmd2data_texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer);
157 datapointer += sizeof(trivertx_t) * inverts;
161 Mem_Free(vertexbuffer);
164 static rtexture_t *GL_TextureForSkinLayer(const qbyte *in, int width, int height, const char *name, const unsigned int *palette, int precache)
167 for (i = 0;i < width*height;i++)
168 if (((qbyte *)&palette[in[i]])[3] > 0)
169 return R_LoadTexture2D (loadmodel->texturepool, name, width, height, in, TEXTYPE_PALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0), palette);
173 static int Mod_LoadExternalSkin (char *basename, skinframe_t *skinframe, int precache)
175 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);
176 if (!skinframe->base)
177 skinframe->base = loadtextureimagewithmaskandnmap(loadmodel->texturepool, basename, 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
178 skinframe->fog = image_masktex;
179 skinframe->nmap = image_nmaptex;
180 skinframe->gloss = loadtextureimage(loadmodel->texturepool, va("%s_gloss" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
181 skinframe->pants = loadtextureimage(loadmodel->texturepool, va("%s_pants" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
182 skinframe->shirt = loadtextureimage(loadmodel->texturepool, va("%s_shirt" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
183 skinframe->glow = loadtextureimage(loadmodel->texturepool, va("%s_glow" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
184 skinframe->merged = NULL;
185 return skinframe->base != NULL || skinframe->pants != NULL || skinframe->shirt != NULL || skinframe->glow != NULL;
188 static int Mod_LoadInternalSkin (char *basename, qbyte *skindata, int width, int height, skinframe_t *skinframe, int precache)
190 qbyte *temp1, *temp2;
193 temp1 = Mem_Alloc(loadmodel->mempool, width * height * 8);
194 temp2 = temp1 + width * height * 4;
195 Image_Copy8bitRGBA(skindata, temp1, width * height, palette_nofullbrights);
196 Image_HeightmapToNormalmap(temp1, temp2, width, height, false, 1);
197 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);
199 skinframe->gloss = NULL;
200 skinframe->pants = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, false); // pants
201 skinframe->shirt = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, false); // shirt
202 skinframe->glow = GL_TextureForSkinLayer(skindata, width, height, va("%s_glow", basename), palette_onlyfullbrights, precache); // glow
203 if (skinframe->pants || skinframe->shirt)
205 skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_normal", basename), palette_nocolormapnofullbrights, false); // normal (no special colors)
206 skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_body", basename), palette_nofullbrights, precache); // body (normal + pants + shirt, but not glow)
209 skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_base", basename), palette_nofullbrights, precache); // no special colors
210 // quake model skins don't have alpha
211 skinframe->fog = NULL;
215 #define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%d exceeds %d - %d)\n", loadmodel->name, VALUE, MIN, MAX);
216 #define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%f exceeds %f - %f)\n", loadmodel->name, VALUE, MIN, MAX);
217 extern void R_Model_Alias_Draw(entity_render_t *ent);
218 extern void R_Model_Alias_DrawFakeShadow(entity_render_t *ent);
219 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
220 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
221 void Mod_LoadAliasModel (model_t *mod, void *buffer)
223 int i, j, version, numverts, totalposes, totalskins, skinwidth, skinheight, totalverts, groupframes, groupskins;
225 stvert_t *pinstverts;
226 dtriangle_t *pintriangles;
227 daliasskintype_t *pinskintype;
228 daliasskingroup_t *pinskingroup;
229 daliasskininterval_t *pinskinintervals;
230 daliasframetype_t *pinframetype;
231 daliasgroup_t *pinframegroup;
232 float scales, scalet, scale[3], translate[3], interval;
233 qbyte *datapointer, *startframes, *startskins;
234 char name[MAX_QPATH];
235 skinframe_t tempskinframe;
236 animscene_t *tempskinscenes;
237 skinframe_t *tempskinframes;
241 datapointer = buffer;
242 pinmodel = (mdl_t *)datapointer;
243 datapointer += sizeof(mdl_t);
245 version = LittleLong (pinmodel->version);
246 if (version != ALIAS_VERSION)
247 Host_Error ("%s has wrong version number (%i should be %i)",
248 loadmodel->name, version, ALIAS_VERSION);
250 loadmodel->type = mod_alias;
251 loadmodel->aliastype = ALIASTYPE_MDLMD2;
252 loadmodel->DrawSky = NULL;
253 loadmodel->Draw = R_Model_Alias_Draw;
254 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
255 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
256 loadmodel->DrawLight = R_Model_Alias_DrawLight;
258 loadmodel->numskins = LittleLong(pinmodel->numskins);
259 BOUNDI(loadmodel->numskins,0,256);
260 skinwidth = LittleLong (pinmodel->skinwidth);
261 BOUNDI(skinwidth,0,4096);
262 skinheight = LittleLong (pinmodel->skinheight);
263 BOUNDI(skinheight,0,4096);
264 loadmodel->numverts = numverts = LittleLong(pinmodel->numverts);
265 BOUNDI(loadmodel->numverts,0,MAXALIASVERTS);
266 loadmodel->numtris = LittleLong(pinmodel->numtris);
267 BOUNDI(loadmodel->numtris,0,MAXALIASTRIS);
268 loadmodel->numframes = LittleLong(pinmodel->numframes);
269 BOUNDI(loadmodel->numframes,0,65536);
270 loadmodel->synctype = LittleLong (pinmodel->synctype);
271 BOUNDI(loadmodel->synctype,0,2);
272 loadmodel->flags = LittleLong (pinmodel->flags);
274 for (i = 0;i < 3;i++)
276 scale[i] = LittleFloat (pinmodel->scale[i]);
277 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
280 startskins = datapointer;
282 for (i = 0;i < loadmodel->numskins;i++)
284 pinskintype = (daliasskintype_t *)datapointer;
285 datapointer += sizeof(daliasskintype_t);
286 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
290 pinskingroup = (daliasskingroup_t *)datapointer;
291 datapointer += sizeof(daliasskingroup_t);
292 groupskins = LittleLong(pinskingroup->numskins);
293 datapointer += sizeof(daliasskininterval_t) * groupskins;
296 for (j = 0;j < groupskins;j++)
298 datapointer += skinwidth * skinheight;
303 pinstverts = (stvert_t *)datapointer;
304 datapointer += sizeof(stvert_t) * numverts;
306 pintriangles = (dtriangle_t *)datapointer;
307 datapointer += sizeof(dtriangle_t) * loadmodel->numtris;
309 startframes = datapointer;
311 for (i = 0;i < loadmodel->numframes;i++)
313 pinframetype = (daliasframetype_t *)datapointer;
314 datapointer += sizeof(daliasframetype_t);
315 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
319 pinframegroup = (daliasgroup_t *)datapointer;
320 datapointer += sizeof(daliasgroup_t);
321 groupframes = LittleLong(pinframegroup->numframes);
322 datapointer += sizeof(daliasinterval_t) * groupframes;
325 for (j = 0;j < groupframes;j++)
327 datapointer += sizeof(daliasframe_t);
328 datapointer += sizeof(trivertx_t) * numverts;
334 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
335 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, totalskins * sizeof(skinframe_t));
337 datapointer = startskins;
338 for (i = 0;i < loadmodel->numskins;i++)
340 pinskintype = (daliasskintype_t *)datapointer;
341 datapointer += sizeof(daliasskintype_t);
343 if (pinskintype->type == ALIAS_SKIN_SINGLE)
350 pinskingroup = (daliasskingroup_t *)datapointer;
351 datapointer += sizeof(daliasskingroup_t);
353 groupskins = LittleLong (pinskingroup->numskins);
355 pinskinintervals = (daliasskininterval_t *)datapointer;
356 datapointer += sizeof(daliasskininterval_t) * groupskins;
358 interval = LittleFloat(pinskinintervals[0].interval);
359 if (interval < 0.01f)
360 Host_Error("Mod_LoadAliasModel: invalid interval\n");
363 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
364 loadmodel->skinscenes[i].firstframe = totalskins;
365 loadmodel->skinscenes[i].framecount = groupskins;
366 loadmodel->skinscenes[i].framerate = 1.0f / interval;
367 loadmodel->skinscenes[i].loop = true;
369 for (j = 0;j < groupskins;j++)
372 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
374 sprintf (name, "%s_%i", loadmodel->name, i);
375 if (!Mod_LoadExternalSkin(name, loadmodel->skinframes + totalskins, i == 0))
376 Mod_LoadInternalSkin(name, (qbyte *)datapointer, skinwidth, skinheight, loadmodel->skinframes + totalskins, i == 0);
377 datapointer += skinwidth * skinheight;
381 // check for skins that don't exist in the model, but do exist as external images
382 // (this was added because yummyluv kept pestering me about support for it)
385 sprintf (name, "%s_%i", loadmodel->name, loadmodel->numskins);
386 if (Mod_LoadExternalSkin(name, &tempskinframe, loadmodel->numskins == 0))
388 // expand the arrays to make room
389 tempskinscenes = loadmodel->skinscenes;
390 tempskinframes = loadmodel->skinframes;
391 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
392 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(skinframe_t));
393 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
394 memcpy(loadmodel->skinframes, tempskinframes, totalskins * sizeof(skinframe_t));
395 Mem_Free(tempskinscenes);
396 Mem_Free(tempskinframes);
397 // store the info about the new skin
398 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
399 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
400 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
401 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
402 loadmodel->skinscenes[loadmodel->numskins].loop = true;
403 loadmodel->skinframes[totalskins] = tempskinframe;
404 loadmodel->numskins++;
411 // store texture coordinates into temporary array, they will be stored after usage is determined (triangle data)
412 scales = 1.0 / skinwidth;
413 scalet = 1.0 / skinheight;
414 for (i = 0;i < numverts;i++)
416 vertonseam[i] = LittleLong(pinstverts[i].onseam);
417 vertst[i][0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
418 vertst[i][1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
419 vertst[i+numverts][0] = vertst[i][0] + 0.5;
420 vertst[i+numverts][1] = vertst[i][1];
422 vertusage[i+numverts] = 0;
425 // load triangle data
426 loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->numtris);
428 // count the vertices used
429 for (i = 0;i < numverts*2;i++)
431 for (i = 0;i < loadmodel->numtris;i++)
433 temptris[i][0] = LittleLong(pintriangles[i].vertindex[0]);
434 temptris[i][1] = LittleLong(pintriangles[i].vertindex[1]);
435 temptris[i][2] = LittleLong(pintriangles[i].vertindex[2]);
436 if (!LittleLong(pintriangles[i].facesfront)) // backface
438 if (vertonseam[temptris[i][0]]) temptris[i][0] += numverts;
439 if (vertonseam[temptris[i][1]]) temptris[i][1] += numverts;
440 if (vertonseam[temptris[i][2]]) temptris[i][2] += numverts;
442 vertusage[temptris[i][0]]++;
443 vertusage[temptris[i][1]]++;
444 vertusage[temptris[i][2]]++;
446 // build remapping table and compact array
448 for (i = 0;i < numverts*2;i++)
452 vertremap[i] = totalverts;
453 vertst[totalverts][0] = vertst[i][0];
454 vertst[totalverts][1] = vertst[i][1];
458 vertremap[i] = -1; // not used at all
460 loadmodel->numverts = totalverts;
461 // remap the triangle references
462 for (i = 0;i < loadmodel->numtris;i++)
464 loadmodel->mdlmd2data_indices[i*3+0] = vertremap[temptris[i][0]];
465 loadmodel->mdlmd2data_indices[i*3+1] = vertremap[temptris[i][1]];
466 loadmodel->mdlmd2data_indices[i*3+2] = vertremap[temptris[i][2]];
468 // store the texture coordinates
469 loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, sizeof(float[4]) * totalverts);
470 for (i = 0;i < totalverts;i++)
472 loadmodel->mdlmd2data_texcoords[i*4+0] = vertst[i][0];
473 loadmodel->mdlmd2data_texcoords[i*4+1] = vertst[i][1];
477 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
478 loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, sizeof(aliasvertex_t) * totalposes * totalverts);
480 // LordHavoc: doing proper bbox for model
481 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
482 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
484 Mod_MDL_LoadFrames (startframes, numverts, scale, translate);
486 modelyawradius = sqrt(modelyawradius);
487 modelradius = sqrt(modelradius);
488 for (j = 0;j < 3;j++)
490 loadmodel->normalmins[j] = aliasbboxmin[j];
491 loadmodel->normalmaxs[j] = aliasbboxmax[j];
492 loadmodel->rotatedmins[j] = -modelradius;
493 loadmodel->rotatedmaxs[j] = modelradius;
495 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
496 loadmodel->yawmins[2] = loadmodel->normalmins[2];
497 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
498 loadmodel->radius = modelradius;
499 loadmodel->radius2 = modelradius * modelradius;
501 loadmodel->mdlmd2data_triangleneighbors = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
502 Mod_ValidateElements(loadmodel->mdlmd2data_indices, loadmodel->numtris, loadmodel->numverts, __FILE__, __LINE__);
503 Mod_BuildTriangleNeighbors(loadmodel->mdlmd2data_triangleneighbors, loadmodel->mdlmd2data_indices, loadmodel->numtris);
506 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, aliasvertex_t *out, int *vertremap)
512 for (i = 0;i < loadmodel->numverts;i++)
514 in = v + vertremap[i];
515 temp[0] = in->v[0] * scale[0] + translate[0];
516 temp[1] = in->v[1] * scale[1] + translate[1];
517 temp[2] = in->v[2] * scale[2] + translate[2];
518 // update bounding box
519 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
520 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
521 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
522 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
523 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
524 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
525 dist = temp[0]*temp[0]+temp[1]*temp[1];
526 if (modelyawradius < dist)
527 modelyawradius = dist;
528 dist += temp[2]*temp[2];
529 if (modelradius < dist)
531 VectorScale(temp, 16.0f, temp);
532 temp[0] = bound(-32768, temp[0], 32767);
533 temp[1] = bound(-32768, temp[1], 32767);
534 temp[2] = bound(-32768, temp[2], 32767);
535 VectorCopy(temp, out[i].origin);
539 void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
545 int i, j, k, hashindex, num, numxyz, numst, xyz, st;
546 float *stverts, s, t, scale[3], translate[3];
549 struct md2verthash_s *next;
553 *hash, **md2verthash, *md2verthashdata;
555 md2frame_t *pinframe;
557 md2triangle_t *intri;
558 unsigned short *inst;
559 int skinwidth, skinheight;
560 float *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer;
565 version = LittleLong (pinmodel->version);
566 if (version != MD2ALIAS_VERSION)
567 Host_Error ("%s has wrong version number (%i should be %i)",
568 loadmodel->name, version, MD2ALIAS_VERSION);
570 loadmodel->type = mod_alias;
571 loadmodel->aliastype = ALIASTYPE_MDLMD2;
572 loadmodel->DrawSky = NULL;
573 loadmodel->Draw = R_Model_Alias_Draw;
574 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
575 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
576 loadmodel->DrawLight = R_Model_Alias_DrawLight;
578 if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > MD2MAX_TRIANGLES)
579 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
580 if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > MD2MAX_VERTS)
581 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
582 if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > MD2MAX_FRAMES)
583 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
584 if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > MAX_SKINS)
585 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
587 end = LittleLong(pinmodel->ofs_end);
588 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
589 Host_Error ("%s is not a valid model", loadmodel->name);
590 if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
591 Host_Error ("%s is not a valid model", loadmodel->name);
592 if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
593 Host_Error ("%s is not a valid model", loadmodel->name);
594 if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
595 Host_Error ("%s is not a valid model", loadmodel->name);
596 if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
597 Host_Error ("%s is not a valid model", loadmodel->name);
599 loadmodel->numskins = LittleLong(pinmodel->num_skins);
600 numxyz = LittleLong(pinmodel->num_xyz);
601 numst = LittleLong(pinmodel->num_st);
602 loadmodel->numtris = LittleLong(pinmodel->num_tris);
603 loadmodel->numframes = LittleLong(pinmodel->num_frames);
605 loadmodel->flags = 0; // there are no MD2 flags
606 loadmodel->synctype = ST_RAND;
609 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
610 if (loadmodel->numskins)
612 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins + sizeof(skinframe_t) * loadmodel->numskins);
613 loadmodel->skinframes = (void *)(loadmodel->skinscenes + loadmodel->numskins);
614 for (i = 0;i < loadmodel->numskins;i++)
616 loadmodel->skinscenes[i].firstframe = i;
617 loadmodel->skinscenes[i].framecount = 1;
618 loadmodel->skinscenes[i].loop = true;
619 loadmodel->skinscenes[i].framerate = 10;
620 loadmodel->skinframes[i].base = loadtextureimagewithmaskandnmap (loadmodel->texturepool, inskin, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
621 loadmodel->skinframes[i].fog = image_masktex;
622 loadmodel->skinframes[i].nmap = image_nmaptex;
623 loadmodel->skinframes[i].gloss = NULL;
624 loadmodel->skinframes[i].pants = NULL;
625 loadmodel->skinframes[i].shirt = NULL;
626 loadmodel->skinframes[i].glow = NULL;
627 loadmodel->skinframes[i].merged = NULL;
628 inskin += MD2MAX_SKINNAME;
632 // load the triangles and stvert data
633 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
634 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
635 skinwidth = LittleLong(pinmodel->skinwidth);
636 skinheight = LittleLong(pinmodel->skinheight);
638 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
639 s = 1.0f / skinwidth;
640 t = 1.0f / skinheight;
641 for (i = 0;i < numst;i++)
643 j = (unsigned short) LittleShort(inst[i*2+0]);
644 k = (unsigned short) LittleShort(inst[i*2+1]);
645 if (j >= skinwidth || k >= skinheight)
648 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
650 stverts[i*2+0] = j * s;
651 stverts[i*2+1] = k * t;
654 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
655 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->numtris * 3 * sizeof(*hash));
656 // swap the triangle list
658 loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
659 for (i = 0;i < loadmodel->numtris;i++)
661 for (j = 0;j < 3;j++)
663 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
664 st = (unsigned short) LittleShort (intri[i].index_st[j]);
665 if (xyz >= numxyz || st >= numst)
667 Mem_Free(md2verthash);
668 Mem_Free(md2verthashdata);
671 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
673 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
677 hashindex = (xyz * 17 + st) & 255;
678 for (hash = md2verthash[hashindex];hash;hash = hash->next)
679 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
683 hash = md2verthashdata + num++;
687 hash->next = md2verthash[hashindex];
688 md2verthash[hashindex] = hash;
690 loadmodel->mdlmd2data_indices[i*3+j] = (hash - md2verthashdata);
696 loadmodel->numverts = num;
697 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
698 loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, num * sizeof(float[4]));
699 for (i = 0;i < num;i++)
701 hash = md2verthashdata + i;
702 vertremap[i] = hash->xyz;
703 loadmodel->mdlmd2data_texcoords[i*4+0] = hash->st[0];
704 loadmodel->mdlmd2data_texcoords[i*4+1] = hash->st[1];
707 Mem_Free(md2verthash);
708 Mem_Free(md2verthashdata);
711 // LordHavoc: doing proper bbox for model
712 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
713 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
717 datapointer = (base + LittleLong(pinmodel->ofs_frames));
719 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
720 loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, loadmodel->numverts * loadmodel->numframes * sizeof(trivertx_t));
722 vertexbuffer = Mem_Alloc(tempmempool, loadmodel->numverts * sizeof(float[4]) * 4);
723 svectorsbuffer = vertexbuffer + loadmodel->numverts * 4;
724 tvectorsbuffer = svectorsbuffer + loadmodel->numverts * 4;
725 normalsbuffer = tvectorsbuffer + loadmodel->numverts * 4;
726 for (i = 0;i < loadmodel->numframes;i++)
728 pinframe = (md2frame_t *)datapointer;
729 datapointer += sizeof(md2frame_t);
730 for (j = 0;j < 3;j++)
732 scale[j] = LittleFloat(pinframe->scale[j]);
733 translate[j] = LittleFloat(pinframe->translate[j]);
735 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->mdlmd2data_pose + i * loadmodel->numverts, vertremap);
736 Mod_BuildAliasVertexTextureVectors(loadmodel->numtris, loadmodel->mdlmd2data_indices, loadmodel->numverts, loadmodel->mdlmd2data_pose + i * loadmodel->numverts, loadmodel->mdlmd2data_texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer);
737 datapointer += numxyz * sizeof(trivertx_t);
739 strcpy(loadmodel->animscenes[i].name, pinframe->name);
740 loadmodel->animscenes[i].firstframe = i;
741 loadmodel->animscenes[i].framecount = 1;
742 loadmodel->animscenes[i].framerate = 10;
743 loadmodel->animscenes[i].loop = true;
745 Mem_Free(vertexbuffer);
749 // LordHavoc: model bbox
750 modelyawradius = sqrt(modelyawradius);
751 modelradius = sqrt(modelradius);
752 for (j = 0;j < 3;j++)
754 loadmodel->normalmins[j] = aliasbboxmin[j];
755 loadmodel->normalmaxs[j] = aliasbboxmax[j];
756 loadmodel->rotatedmins[j] = -modelradius;
757 loadmodel->rotatedmaxs[j] = modelradius;
759 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
760 loadmodel->yawmins[2] = loadmodel->normalmins[2];
761 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
762 loadmodel->radius = modelradius;
763 loadmodel->radius2 = modelradius * modelradius;
765 loadmodel->mdlmd2data_triangleneighbors = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
766 Mod_ValidateElements(loadmodel->mdlmd2data_indices, loadmodel->numtris, loadmodel->numverts, __FILE__, __LINE__);
767 Mod_BuildTriangleNeighbors(loadmodel->mdlmd2data_triangleneighbors, loadmodel->mdlmd2data_indices, loadmodel->numtris);
770 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
771 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
772 extern void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent);
773 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
774 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
775 void Mod_LoadZymoticModel(model_t *mod, void *buffer)
777 zymtype1header_t *pinmodel, *pheader;
780 pinmodel = (void *)buffer;
782 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
783 Host_Error ("Mod_LoadZymoticModel: %s is not a zymotic model\n");
784 if (BigLong(pinmodel->type) != 1)
785 Host_Error ("Mod_LoadZymoticModel: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
787 loadmodel->type = mod_alias;
788 loadmodel->aliastype = ALIASTYPE_ZYM;
789 loadmodel->DrawSky = NULL;
790 loadmodel->Draw = R_Model_Zymotic_Draw;
791 loadmodel->DrawFakeShadow = NULL;//R_Model_Zymotic_DrawFakeShadow;
792 loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
793 loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
797 pheader->type = BigLong(pinmodel->type);
798 pheader->filesize = BigLong(pinmodel->filesize);
799 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
800 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
801 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
802 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
803 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
804 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
805 pheader->radius = BigFloat(pinmodel->radius);
806 pheader->numverts = loadmodel->zymnum_verts = BigLong(pinmodel->numverts);
807 pheader->numtris = loadmodel->zymnum_tris = BigLong(pinmodel->numtris);
808 pheader->numshaders = loadmodel->zymnum_shaders = BigLong(pinmodel->numshaders);
809 pheader->numbones = loadmodel->zymnum_bones = BigLong(pinmodel->numbones);
810 pheader->numscenes = loadmodel->zymnum_scenes = BigLong(pinmodel->numscenes);
811 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
812 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
813 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
814 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
815 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
816 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
817 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
818 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
819 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
820 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
821 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
822 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
823 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
824 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
825 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
826 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
827 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
828 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
830 loadmodel->flags = 0; // there are no flags
831 loadmodel->numframes = pheader->numscenes;
832 loadmodel->synctype = ST_SYNC;
833 loadmodel->numtris = pheader->numtris;
834 loadmodel->numverts = 0;
838 float modelradius, corner[2];
840 modelradius = pheader->radius;
841 for (i = 0;i < 3;i++)
843 loadmodel->normalmins[i] = pheader->mins[i];
844 loadmodel->normalmaxs[i] = pheader->maxs[i];
845 loadmodel->rotatedmins[i] = -modelradius;
846 loadmodel->rotatedmaxs[i] = modelradius;
848 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
849 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
850 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
851 if (loadmodel->yawmaxs[0] > modelradius)
852 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
853 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
854 loadmodel->yawmins[2] = loadmodel->normalmins[2];
855 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
856 loadmodel->radius = modelradius;
857 loadmodel->radius2 = modelradius * modelradius;
861 // FIXME: add shaders, and make them switchable shader sets and...
862 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) + sizeof(skinframe_t));
863 loadmodel->skinscenes[0].firstframe = 0;
864 loadmodel->skinscenes[0].framecount = 1;
865 loadmodel->skinscenes[0].loop = true;
866 loadmodel->skinscenes[0].framerate = 10;
867 loadmodel->skinframes = (void *)(loadmodel->skinscenes + 1);
868 loadmodel->skinframes->base = NULL;
869 loadmodel->skinframes->fog = NULL;
870 loadmodel->skinframes->pants = NULL;
871 loadmodel->skinframes->shirt = NULL;
872 loadmodel->skinframes->glow = NULL;
873 loadmodel->skinframes->merged = NULL;
874 loadmodel->numskins = 1;
877 // go through the lumps, swapping things
882 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
883 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
884 scene = (void *) (pheader->lump_scenes.start + pbase);
885 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
886 for (i = 0;i < pheader->numscenes;i++)
888 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
889 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
890 loadmodel->animscenes[i].framecount = BigLong(scene->length);
891 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
892 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
893 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
894 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
895 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
896 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
897 if (loadmodel->animscenes[i].framerate < 0)
898 Host_Error("Mod_LoadZymoticModel: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
906 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
907 loadmodel->zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
908 poses = (void *) (pheader->lump_poses.start + pbase);
909 for (i = 0;i < pheader->lump_poses.length / 4;i++)
910 loadmodel->zymdata_poses[i] = BigFloat(poses[i]);
916 // zymlump_t lump_bones; // zymbone_t bone[numbones];
917 loadmodel->zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
918 bone = (void *) (pheader->lump_bones.start + pbase);
919 for (i = 0;i < pheader->numbones;i++)
921 memcpy(loadmodel->zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
922 loadmodel->zymdata_bones[i].flags = BigLong(bone[i].flags);
923 loadmodel->zymdata_bones[i].parent = BigLong(bone[i].parent);
924 if (loadmodel->zymdata_bones[i].parent >= i)
925 Host_Error("Mod_LoadZymoticModel: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
931 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
932 loadmodel->zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
933 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
934 for (i = 0;i < pheader->numverts;i++)
936 loadmodel->zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
937 if (loadmodel->zymdata_vertbonecounts[i] < 1)
938 Host_Error("Mod_LoadZymoticModel: bone vertex count < 1 in %s\n", loadmodel->name);
944 zymvertex_t *vertdata;
945 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
946 loadmodel->zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
947 vertdata = (void *) (pheader->lump_verts.start + pbase);
948 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
950 loadmodel->zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
951 loadmodel->zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
952 loadmodel->zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
953 loadmodel->zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
959 float *intexcoord, *outtexcoord;
960 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
961 loadmodel->zymdata_texcoords = outtexcoord = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[4]));
962 intexcoord = (void *) (pheader->lump_texcoords.start + pbase);
963 for (i = 0;i < pheader->numverts;i++)
965 outtexcoord[i*4+0] = BigFloat(intexcoord[i*2+0]);
966 // flip T coordinate for OpenGL
967 outtexcoord[i*4+1] = 1 - BigFloat(intexcoord[i*2+1]);
972 int i, count, *renderlist, *renderlistend, *outrenderlist;
973 // 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)
974 loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
975 // byteswap, validate, and swap winding order of tris
976 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
977 if (pheader->lump_render.length != count)
978 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);
979 outrenderlist = loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
980 renderlist = (void *) (pheader->lump_render.start + pbase);
981 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
982 for (i = 0;i < pheader->numshaders;i++)
984 if (renderlist >= renderlistend)
985 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
986 count = BigLong(*renderlist);renderlist++;
987 if (renderlist + count * 3 > renderlistend)
988 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
989 *outrenderlist++ = count;
992 outrenderlist[2] = BigLong(renderlist[0]);
993 outrenderlist[1] = BigLong(renderlist[1]);
994 outrenderlist[0] = BigLong(renderlist[2]);
995 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
996 || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
997 || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
998 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1008 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1009 loadmodel->zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1010 shadername = (void *) (pheader->lump_shaders.start + pbase);
1011 for (i = 0;i < pheader->numshaders;i++)
1012 loadmodel->zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1016 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1017 loadmodel->zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1018 memcpy(loadmodel->zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);