model_alias.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   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.
   8
   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.
  12
  13 See the GNU General Public License for more details.
  14
  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.
  18
  19 */
  20
  21 #include "quakedef.h"
  22 #include "image.h"
  23 #include "r_shadow.h"
  24
  25 void Mod_AliasInit (void)
  26 {
  27 }
  28
  29 static void Mod_CalcAliasModelBBoxes (void)
  30 {
  31         int vnum, meshnum;
  32         float dist, yawradius, radius;
  33         aliasmesh_t *mesh;
  34         float *v;
  35         VectorClear(loadmodel->normalmins);
  36         VectorClear(loadmodel->normalmaxs);
  37         yawradius = 0;
  38         radius = 0;
  39         for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
  40         {
  41                 for (vnum = 0, v = mesh->data_aliasvertex3f;vnum < mesh->num_vertices * mesh->num_frames;vnum++, v += 3)
  42                 {
  43                         if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
  44                         if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
  45                         if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
  46                         if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
  47                         if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
  48                         if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
  49                         dist = v[0] * v[0] + v[1] * v[1];
  50                         if (yawradius < dist)
  51                                 yawradius = dist;
  52                         dist += v[2] * v[2];
  53                         if (radius < dist)
  54                                 radius = dist;
  55                 }
  56         }
  57         radius = sqrt(radius);
  58         yawradius = sqrt(yawradius);
  59         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
  60         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
  61         loadmodel->yawmins[2] = loadmodel->normalmins[2];
  62         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
  63         loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
  64         loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
  65         loadmodel->radius = radius;
  66         loadmodel->radius2 = radius * radius;
  67 }
  68
  69 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
  70 {
  71         int i, j;
  72         vec3_t temp;
  73         for (i = 0;i < inverts;i++)
  74         {
  75                 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
  76                         continue;
  77                 temp[0] = v[i].v[0] * scale[0] + translate[0];
  78                 temp[1] = v[i].v[1] * scale[1] + translate[1];
  79                 temp[2] = v[i].v[2] * scale[2] + translate[2];
  80                 j = vertremap[i]; // not onseam
  81                 if (j >= 0)
  82                         VectorCopy(temp, out3f + j * 3);
  83                 j = vertremap[i+inverts]; // onseam
  84                 if (j >= 0)
  85                         VectorCopy(temp, out3f + j * 3);
  86         }
  87 }
  88
  89 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
  90 {
  91         int i, f, pose, groupframes;
  92         float interval;
  93         daliasframetype_t *pframetype;
  94         daliasframe_t *pinframe;
  95         daliasgroup_t *group;
  96         daliasinterval_t *intervals;
  97         animscene_t *scene;
  98         pose = 0;
  99         scene = loadmodel->animscenes;
 100         for (f = 0;f < loadmodel->numframes;f++)
 101         {
 102                 pframetype = (daliasframetype_t *)datapointer;
 103                 datapointer += sizeof(daliasframetype_t);
 104                 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
 105                 {
 106                         // a single frame is still treated as a group
 107                         interval = 0.1f;
 108                         groupframes = 1;
 109                 }
 110                 else
 111                 {
 112                         // read group header
 113                         group = (daliasgroup_t *)datapointer;
 114                         datapointer += sizeof(daliasgroup_t);
 115                         groupframes = LittleLong (group->numframes);
 116
 117                         // intervals (time per frame)
 118                         intervals = (daliasinterval_t *)datapointer;
 119                         datapointer += sizeof(daliasinterval_t) * groupframes;
 120
 121                         interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
 122                         if (interval < 0.01f)
 123                                 Host_Error("Mod_MDL_LoadFrames: invalid interval");
 124                 }
 125
 126                 // get scene name from first frame
 127                 pinframe = (daliasframe_t *)datapointer;
 128
 129                 strcpy(scene->name, pinframe->name);
 130                 scene->firstframe = pose;
 131                 scene->framecount = groupframes;
 132                 scene->framerate = 1.0f / interval;
 133                 scene->loop = true;
 134                 scene++;
 135
 136                 // read frames
 137                 for (i = 0;i < groupframes;i++)
 138                 {
 139                         pinframe = (daliasframe_t *)datapointer;
 140                         datapointer += sizeof(daliasframe_t);
 141                         Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
 142                         Mod_BuildTextureVectorsAndNormals(loadmodel->alias.aliasdata_meshes->num_vertices, loadmodel->alias.aliasdata_meshes->num_triangles, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_texcoord2f, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->data_aliassvector3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_aliastvector3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_aliasnormal3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3);
 143                         datapointer += sizeof(trivertx_t) * inverts;
 144                         pose++;
 145                 }
 146         }
 147 }
 148
 149 static skinframe_t missingskinframe;
 150 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
 151 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
 152 {
 153         aliaslayer_t *layer;
 154
 155         // hack
 156         if (skinframe == NULL)
 157         {
 158                 skinframe = &missingskinframe;
 159                 memset(skinframe, 0, sizeof(*skinframe));
 160                 skinframe->base = r_notexture;
 161         }
 162
 163         memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
 164         layer = mod_alias_layersbuffer;
 165         layer->flags = ALIASLAYER_SPECULAR;
 166         layer->texture = skinframe->gloss;
 167         layer->nmap = skinframe->nmap;
 168         layer++;
 169         if (skinframe->merged != NULL)
 170         {
 171                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
 172                 layer->texture = skinframe->merged;
 173                 layer->nmap = skinframe->nmap;
 174                 layer++;
 175         }
 176         if (skinframe->base != NULL)
 177         {
 178                 layer->flags = ALIASLAYER_DIFFUSE;
 179                 if (skinframe->merged != NULL)
 180                         layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
 181                 layer->texture = skinframe->base;
 182                 layer->nmap = skinframe->nmap;
 183                 layer++;
 184         }
 185         if (skinframe->pants != NULL)
 186         {
 187                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
 188                 layer->texture = skinframe->pants;
 189                 layer->nmap = skinframe->nmap;
 190                 layer++;
 191         }
 192         if (skinframe->shirt != NULL)
 193         {
 194                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
 195                 layer->texture = skinframe->shirt;
 196                 layer->nmap = skinframe->nmap;
 197                 layer++;
 198         }
 199
 200         if (skinframe->glow != NULL)
 201         {
 202                 layer->flags = 0;
 203                 layer->texture = skinframe->glow;
 204                 layer++;
 205         }
 206
 207         layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
 208         layer->texture = skinframe->fog;
 209         layer++;
 210
 211         skin->flags = 0;
 212         // fog texture only exists if some pixels are transparent...
 213         if (skinframe->fog != NULL)
 214                 skin->flags |= ALIASSKIN_TRANSPARENT;
 215
 216         skin->num_layers = layer - mod_alias_layersbuffer;
 217         skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
 218         memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
 219 }
 220
 221 void Mod_BuildAliasSkinsFromSkinFiles(aliasskin_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
 222 {
 223         int i;
 224         skinfileitem_t *skinfileitem;
 225         skinframe_t tempskinframe;
 226         if (skinfile)
 227         {
 228                 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
 229                 {
 230                         memset(skin, 0, sizeof(*skin));
 231                         for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
 232                         {
 233                                 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
 234                                 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
 235                                 {
 236                                         memset(&tempskinframe, 0, sizeof(tempskinframe));
 237                                         if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 238                                                 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 239                                         else
 240                                         {
 241                                                 Con_Printf("mesh \"%s\": failed to load skin #%i \"%s\", falling back to mesh's internal shader name \"%s\"\n", meshname, i, skinfileitem->replacement, shadername);
 242                                                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 243                                                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 244                                                 else
 245                                                 {
 246                                                         Con_Printf("failed to load skin \"%s\"\n", shadername);
 247                                                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 248                                                 }
 249                                         }
 250                                 }
 251                         }
 252                 }
 253         }
 254         else
 255         {
 256                 memset(&tempskinframe, 0, sizeof(tempskinframe));
 257                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 258                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 259                 else
 260                 {
 261                         Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
 262                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 263                 }
 264         }
 265 }
 266
 267 #define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%d exceeds %d - %d)\n", loadmodel->name, VALUE, MIN, MAX);
 268 #define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%f exceeds %f - %f)\n", loadmodel->name, VALUE, MIN, MAX);
 269 extern void R_Model_Alias_Draw(entity_render_t *ent);
 270 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
 271 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
 272 void Mod_IDP0_Load(model_t *mod, void *buffer)
 273 {
 274         int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
 275         float scales, scalet, scale[3], translate[3], interval;
 276         mdl_t *pinmodel;
 277         stvert_t *pinstverts;
 278         dtriangle_t *pintriangles;
 279         daliasskintype_t *pinskintype;
 280         daliasskingroup_t *pinskingroup;
 281         daliasskininterval_t *pinskinintervals;
 282         daliasframetype_t *pinframetype;
 283         daliasgroup_t *pinframegroup;
 284         qbyte *datapointer, *startframes, *startskins;
 285         char name[MAX_QPATH];
 286         skinframe_t tempskinframe;
 287         animscene_t *tempskinscenes;
 288         aliasskin_t *tempaliasskins;
 289         float *vertst;
 290         int *vertonseam, *vertremap;
 291         skinfile_t *skinfiles;
 292
 293         datapointer = buffer;
 294         pinmodel = (mdl_t *)datapointer;
 295         datapointer += sizeof(mdl_t);
 296
 297         version = LittleLong (pinmodel->version);
 298         if (version != ALIAS_VERSION)
 299                 Host_Error ("%s has wrong version number (%i should be %i)",
 300                                  loadmodel->name, version, ALIAS_VERSION);
 301
 302         loadmodel->type = mod_alias;
 303         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 304         loadmodel->DrawSky = NULL;
 305         loadmodel->Draw = R_Model_Alias_Draw;
 306         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 307         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 308
 309         loadmodel->alias.aliasnum_meshes = 1;
 310         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 311
 312         loadmodel->numskins = LittleLong(pinmodel->numskins);
 313         BOUNDI(loadmodel->numskins,0,256);
 314         skinwidth = LittleLong (pinmodel->skinwidth);
 315         BOUNDI(skinwidth,0,4096);
 316         skinheight = LittleLong (pinmodel->skinheight);
 317         BOUNDI(skinheight,0,4096);
 318         numverts = LittleLong(pinmodel->numverts);
 319         BOUNDI(numverts,0,65536);
 320         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
 321         BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536 / 3); // max elements limit, rather than max triangles limit
 322         loadmodel->numframes = LittleLong(pinmodel->numframes);
 323         BOUNDI(loadmodel->numframes,0,65536);
 324         loadmodel->synctype = LittleLong (pinmodel->synctype);
 325         BOUNDI(loadmodel->synctype,0,2);
 326         loadmodel->flags = LittleLong (pinmodel->flags);
 327
 328         for (i = 0;i < 3;i++)
 329         {
 330                 scale[i] = LittleFloat (pinmodel->scale[i]);
 331                 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
 332         }
 333
 334         startskins = datapointer;
 335         totalskins = 0;
 336         for (i = 0;i < loadmodel->numskins;i++)
 337         {
 338                 pinskintype = (daliasskintype_t *)datapointer;
 339                 datapointer += sizeof(daliasskintype_t);
 340                 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
 341                         groupskins = 1;
 342                 else
 343                 {
 344                         pinskingroup = (daliasskingroup_t *)datapointer;
 345                         datapointer += sizeof(daliasskingroup_t);
 346                         groupskins = LittleLong(pinskingroup->numskins);
 347                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 348                 }
 349
 350                 for (j = 0;j < groupskins;j++)
 351                 {
 352                         datapointer += skinwidth * skinheight;
 353                         totalskins++;
 354                 }
 355         }
 356
 357         pinstverts = (stvert_t *)datapointer;
 358         datapointer += sizeof(stvert_t) * numverts;
 359
 360         pintriangles = (dtriangle_t *)datapointer;
 361         datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
 362
 363         startframes = datapointer;
 364         loadmodel->alias.aliasdata_meshes->num_frames = 0;
 365         for (i = 0;i < loadmodel->numframes;i++)
 366         {
 367                 pinframetype = (daliasframetype_t *)datapointer;
 368                 datapointer += sizeof(daliasframetype_t);
 369                 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
 370                         groupframes = 1;
 371                 else
 372                 {
 373                         pinframegroup = (daliasgroup_t *)datapointer;
 374                         datapointer += sizeof(daliasgroup_t);
 375                         groupframes = LittleLong(pinframegroup->numframes);
 376                         datapointer += sizeof(daliasinterval_t) * groupframes;
 377                 }
 378
 379                 for (j = 0;j < groupframes;j++)
 380                 {
 381                         datapointer += sizeof(daliasframe_t);
 382                         datapointer += sizeof(trivertx_t) * numverts;
 383                         loadmodel->alias.aliasdata_meshes->num_frames++;
 384                 }
 385         }
 386
 387         // store texture coordinates into temporary array, they will be stored
 388         // after usage is determined (triangle data)
 389         vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
 390         vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
 391         vertonseam = vertremap + numverts * 2;
 392
 393         scales = 1.0 / skinwidth;
 394         scalet = 1.0 / skinheight;
 395         for (i = 0;i < numverts;i++)
 396         {
 397                 vertonseam[i] = LittleLong(pinstverts[i].onseam);
 398                 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
 399                 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
 400                 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
 401                 vertst[(i+numverts)*2+1] = vertst[i*2+1];
 402         }
 403
 404 // load triangle data
 405         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
 406
 407         // read the triangle elements
 408         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 409                 for (j = 0;j < 3;j++)
 410                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
 411         // validate (note numverts is used because this is the original data)
 412         Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
 413         // now butcher the elements according to vertonseam and tri->facesfront
 414         // and then compact the vertex set to remove duplicates
 415         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 416                 if (!LittleLong(pintriangles[i].facesfront)) // backface
 417                         for (j = 0;j < 3;j++)
 418                                 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
 419                                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
 420         // count the usage
 421         // (this uses vertremap to count usage to save some memory)
 422         for (i = 0;i < numverts*2;i++)
 423                 vertremap[i] = 0;
 424         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
 425                 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
 426         // build remapping table and compact array
 427         loadmodel->alias.aliasdata_meshes->num_vertices = 0;
 428         for (i = 0;i < numverts*2;i++)
 429         {
 430                 if (vertremap[i])
 431                 {
 432                         vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
 433                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
 434                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
 435                         loadmodel->alias.aliasdata_meshes->num_vertices++;
 436                 }
 437                 else
 438                         vertremap[i] = -1; // not used at all
 439         }
 440         // remap the elements to the new vertex set
 441         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
 442                 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
 443         // store the texture coordinates
 444         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
 445         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
 446         {
 447                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
 448                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
 449         }
 450
 451 // load the frames
 452         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 453         loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[4][3]) * loadmodel->alias.aliasdata_meshes->num_frames * loadmodel->alias.aliasdata_meshes->num_vertices);
 454         loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + loadmodel->alias.aliasdata_meshes->num_frames * loadmodel->alias.aliasdata_meshes->num_vertices * 3 * 1;
 455         loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + loadmodel->alias.aliasdata_meshes->num_frames * loadmodel->alias.aliasdata_meshes->num_vertices * 3 * 2;
 456         loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + loadmodel->alias.aliasdata_meshes->num_frames * loadmodel->alias.aliasdata_meshes->num_vertices * 3 * 3;
 457         Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
 458         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 459         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 460         Mod_CalcAliasModelBBoxes();
 461
 462         Mem_Free(vertst);
 463         Mem_Free(vertremap);
 464
 465         // load the skins
 466         if ((skinfiles = Mod_LoadSkinFiles()))
 467         {
 468                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
 469                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 470                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 471                 Mod_FreeSkinFiles(skinfiles);
 472                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 473                 for (i = 0;i < loadmodel->numskins;i++)
 474                 {
 475                         loadmodel->skinscenes[i].firstframe = i;
 476                         loadmodel->skinscenes[i].framecount = 1;
 477                         loadmodel->skinscenes[i].loop = true;
 478                         loadmodel->skinscenes[i].framerate = 10;
 479                 }
 480         }
 481         else
 482         {
 483                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
 484                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 485                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
 486                 totalskins = 0;
 487                 datapointer = startskins;
 488                 for (i = 0;i < loadmodel->numskins;i++)
 489                 {
 490                         pinskintype = (daliasskintype_t *)datapointer;
 491                         datapointer += sizeof(daliasskintype_t);
 492
 493                         if (pinskintype->type == ALIAS_SKIN_SINGLE)
 494                         {
 495                                 groupskins = 1;
 496                                 interval = 0.1f;
 497                         }
 498                         else
 499                         {
 500                                 pinskingroup = (daliasskingroup_t *)datapointer;
 501                                 datapointer += sizeof(daliasskingroup_t);
 502
 503                                 groupskins = LittleLong (pinskingroup->numskins);
 504
 505                                 pinskinintervals = (daliasskininterval_t *)datapointer;
 506                                 datapointer += sizeof(daliasskininterval_t) * groupskins;
 507
 508                                 interval = LittleFloat(pinskinintervals[0].interval);
 509                                 if (interval < 0.01f)
 510                                         Host_Error("Mod_IDP0_Load: invalid interval\n");
 511                         }
 512
 513                         sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
 514                         loadmodel->skinscenes[i].firstframe = totalskins;
 515                         loadmodel->skinscenes[i].framecount = groupskins;
 516                         loadmodel->skinscenes[i].framerate = 1.0f / interval;
 517                         loadmodel->skinscenes[i].loop = true;
 518
 519                         for (j = 0;j < groupskins;j++)
 520                         {
 521                                 if (groupskins > 1)
 522                                         sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
 523                                 else
 524                                         sprintf (name, "%s_%i", loadmodel->name, i);
 525                                 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
 526                                         Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true, (qbyte *)datapointer, skinwidth, skinheight);
 527                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 528                                 datapointer += skinwidth * skinheight;
 529                                 totalskins++;
 530                         }
 531                 }
 532                 // check for skins that don't exist in the model, but do exist as external images
 533                 // (this was added because yummyluv kept pestering me about support for it)
 534                 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
 535                 {
 536                         // expand the arrays to make room
 537                         tempskinscenes = loadmodel->skinscenes;
 538                         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
 539                         memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
 540                         Mem_Free(tempskinscenes);
 541
 542                         tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
 543                         loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(aliasskin_t));
 544                         memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(aliasskin_t));
 545                         Mem_Free(tempaliasskins);
 546
 547                         // store the info about the new skin
 548                         Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 549                         strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
 550                         loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
 551                         loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
 552                         loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
 553                         loadmodel->skinscenes[loadmodel->numskins].loop = true;
 554
 555                         //increase skin counts
 556                         loadmodel->alias.aliasdata_meshes->num_skins++;
 557                         loadmodel->numskins++;
 558                         totalskins++;
 559                 }
 560         }
 561 }
 562
 563 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
 564 {
 565         int i;
 566         trivertx_t *in;
 567         for (i = 0;i < numverts;i++, out3f += 3)
 568         {
 569                 in = v + vertremap[i];
 570                 out3f[0] = in->v[0] * scale[0] + translate[0];
 571                 out3f[1] = in->v[1] * scale[1] + translate[1];
 572                 out3f[2] = in->v[2] * scale[2] + translate[2];
 573         }
 574 }
 575
 576 void Mod_IDP2_Load(model_t *mod, void *buffer)
 577 {
 578         int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
 579         float *stverts, s, t, scale[3], translate[3];
 580         md2_t *pinmodel;
 581         qbyte *base, *datapointer;
 582         md2frame_t *pinframe;
 583         char *inskin;
 584         md2triangle_t *intri;
 585         unsigned short *inst;
 586         struct md2verthash_s
 587         {
 588                 struct md2verthash_s *next;
 589                 int xyz;
 590                 float st[2];
 591         }
 592         *hash, **md2verthash, *md2verthashdata;
 593         skinframe_t tempskinframe;
 594         skinfile_t *skinfiles;
 595
 596         pinmodel = buffer;
 597         base = buffer;
 598
 599         version = LittleLong (pinmodel->version);
 600         if (version != MD2ALIAS_VERSION)
 601                 Host_Error ("%s has wrong version number (%i should be %i)",
 602                         loadmodel->name, version, MD2ALIAS_VERSION);
 603
 604         loadmodel->type = mod_alias;
 605         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 606         loadmodel->DrawSky = NULL;
 607         loadmodel->Draw = R_Model_Alias_Draw;
 608         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 609         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 610
 611         if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > (65536 / 3))
 612                 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
 613         if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
 614                 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
 615         if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
 616                 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
 617         if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
 618                 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
 619
 620         end = LittleLong(pinmodel->ofs_end);
 621         if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
 622                 Host_Error ("%s is not a valid model", loadmodel->name);
 623         if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
 624                 Host_Error ("%s is not a valid model", loadmodel->name);
 625         if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
 626                 Host_Error ("%s is not a valid model", loadmodel->name);
 627         if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
 628                 Host_Error ("%s is not a valid model", loadmodel->name);
 629         if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
 630                 Host_Error ("%s is not a valid model", loadmodel->name);
 631
 632         loadmodel->alias.aliasnum_meshes = 1;
 633         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 634
 635         loadmodel->numskins = LittleLong(pinmodel->num_skins);
 636         numxyz = LittleLong(pinmodel->num_xyz);
 637         numst = LittleLong(pinmodel->num_st);
 638         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
 639         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 640         loadmodel->alias.aliasdata_meshes->num_frames = loadmodel->numframes;
 641         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 642
 643         loadmodel->flags = 0; // there are no MD2 flags
 644         loadmodel->synctype = ST_RAND;
 645
 646         // load the skins
 647         inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
 648         if ((skinfiles = Mod_LoadSkinFiles()))
 649         {
 650                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 651                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 652                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 653                 Mod_FreeSkinFiles(skinfiles);
 654         }
 655         else if (loadmodel->numskins)
 656         {
 657                 // skins found (most likely not a player model)
 658                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 659                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 660                 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
 661                 {
 662                         if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 663                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
 664                         else
 665                         {
 666                                 Con_Printf("Mod_IDP2_Load: missing skin \"%s\"\n", inskin);
 667                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
 668                         }
 669                 }
 670         }
 671         else
 672         {
 673                 // no skins (most likely a player model)
 674                 loadmodel->numskins = 1;
 675                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 676                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 677                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
 678         }
 679
 680         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 681         for (i = 0;i < loadmodel->numskins;i++)
 682         {
 683                 loadmodel->skinscenes[i].firstframe = i;
 684                 loadmodel->skinscenes[i].framecount = 1;
 685                 loadmodel->skinscenes[i].loop = true;
 686                 loadmodel->skinscenes[i].framerate = 10;
 687         }
 688
 689         // load the triangles and stvert data
 690         inst = (void*)(base + LittleLong(pinmodel->ofs_st));
 691         intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
 692         skinwidth = LittleLong(pinmodel->skinwidth);
 693         skinheight = LittleLong(pinmodel->skinheight);
 694
 695         stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
 696         s = 1.0f / skinwidth;
 697         t = 1.0f / skinheight;
 698         for (i = 0;i < numst;i++)
 699         {
 700                 j = (unsigned short) LittleShort(inst[i*2+0]);
 701                 k = (unsigned short) LittleShort(inst[i*2+1]);
 702                 if (j >= skinwidth || k >= skinheight)
 703                 {
 704                         Mem_Free(stverts);
 705                         Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
 706                 }
 707                 stverts[i*2+0] = j * s;
 708                 stverts[i*2+1] = k * t;
 709         }
 710
 711         md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
 712         md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
 713         // swap the triangle list
 714         num = 0;
 715         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 716         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 717         {
 718                 for (j = 0;j < 3;j++)
 719                 {
 720                         xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
 721                         st = (unsigned short) LittleShort (intri[i].index_st[j]);
 722                         if (xyz >= numxyz || st >= numst)
 723                         {
 724                                 Mem_Free(md2verthash);
 725                                 Mem_Free(md2verthashdata);
 726                                 Mem_Free(stverts);
 727                                 if (xyz >= numxyz)
 728                                         Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
 729                                 if (st >= numst)
 730                                         Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
 731                         }
 732                         s = stverts[st*2+0];
 733                         t = stverts[st*2+1];
 734                         hashindex = (xyz * 17 + st) & 255;
 735                         for (hash = md2verthash[hashindex];hash;hash = hash->next)
 736                                 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
 737                                         break;
 738                         if (hash == NULL)
 739                         {
 740                                 hash = md2verthashdata + num++;
 741                                 hash->xyz = xyz;
 742                                 hash->st[0] = s;
 743                                 hash->st[1] = t;
 744                                 hash->next = md2verthash[hashindex];
 745                                 md2verthash[hashindex] = hash;
 746                         }
 747                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
 748                 }
 749         }
 750
 751         Mem_Free(stverts);
 752
 753         numverts = num;
 754         loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
 755         vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
 756         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
 757         for (i = 0;i < num;i++)
 758         {
 759                 hash = md2verthashdata + i;
 760                 vertremap[i] = hash->xyz;
 761                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
 762                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
 763         }
 764
 765         Mem_Free(md2verthash);
 766         Mem_Free(md2verthashdata);
 767
 768         // load the frames
 769         datapointer = (base + LittleLong(pinmodel->ofs_frames));
 770         loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_frames * sizeof(float[4][3]));
 771         loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 1;
 772         loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 2;
 773         loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 3;
 774         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_frames;i++)
 775         {
 776                 pinframe = (md2frame_t *)datapointer;
 777                 datapointer += sizeof(md2frame_t);
 778                 for (j = 0;j < 3;j++)
 779                 {
 780                         scale[j] = LittleFloat(pinframe->scale[j]);
 781                         translate[j] = LittleFloat(pinframe->translate[j]);
 782                 }
 783                 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * numverts * 3, numverts, vertremap);
 784                 Mod_BuildTextureVectorsAndNormals(loadmodel->alias.aliasdata_meshes->num_vertices, loadmodel->alias.aliasdata_meshes->num_triangles, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_texcoord2f, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->data_aliassvector3f + i * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_aliastvector3f + i * loadmodel->alias.aliasdata_meshes->num_vertices * 3, loadmodel->alias.aliasdata_meshes->data_aliasnormal3f + i * loadmodel->alias.aliasdata_meshes->num_vertices * 3);
 785                 datapointer += numxyz * sizeof(trivertx_t);
 786
 787                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 788                 loadmodel->animscenes[i].firstframe = i;
 789                 loadmodel->animscenes[i].framecount = 1;
 790                 loadmodel->animscenes[i].framerate = 10;
 791                 loadmodel->animscenes[i].loop = true;
 792         }
 793
 794         Mem_Free(vertremap);
 795
 796         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 797         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 798         Mod_CalcAliasModelBBoxes();
 799 }
 800
 801 void Mod_IDP3_Load(model_t *mod, void *buffer)
 802 {
 803         int i, j, k, version;
 804         md3modelheader_t *pinmodel;
 805         md3frameinfo_t *pinframe;
 806         md3mesh_t *pinmesh;
 807         md3tag_t *pintag;
 808         aliasmesh_t *mesh;
 809         skinfile_t *skinfiles;
 810
 811         pinmodel = buffer;
 812
 813         if (memcmp(pinmodel->identifier, "IDP3", 4))
 814                 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
 815         version = LittleLong (pinmodel->version);
 816         if (version != MD3VERSION)
 817                 Host_Error ("%s has wrong version number (%i should be %i)",
 818                         loadmodel->name, version, MD3VERSION);
 819
 820         skinfiles = Mod_LoadSkinFiles();
 821         if (loadmodel->numskins < 1)
 822                 loadmodel->numskins = 1;
 823
 824         loadmodel->type = mod_alias;
 825         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 826         loadmodel->DrawSky = NULL;
 827         loadmodel->Draw = R_Model_Alias_Draw;
 828         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 829         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 830         loadmodel->flags = LittleLong(pinmodel->flags);
 831         loadmodel->synctype = ST_RAND;
 832
 833         // set up some global info about the model
 834         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 835         loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
 836
 837         // make skinscenes for the skins (no groups)
 838         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 839         for (i = 0;i < loadmodel->numskins;i++)
 840         {
 841                 loadmodel->skinscenes[i].firstframe = i;
 842                 loadmodel->skinscenes[i].framecount = 1;
 843                 loadmodel->skinscenes[i].loop = true;
 844                 loadmodel->skinscenes[i].framerate = 10;
 845         }
 846
 847         // load frameinfo
 848         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 849         for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
 850         {
 851                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 852                 loadmodel->animscenes[i].firstframe = i;
 853                 loadmodel->animscenes[i].framecount = 1;
 854                 loadmodel->animscenes[i].framerate = 10;
 855                 loadmodel->animscenes[i].loop = true;
 856         }
 857
 858         // load tags
 859         loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
 860         loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
 861         loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
 862         for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
 863         {
 864                 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
 865                 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
 866                 for (j = 0;j < 3;j++)
 867                 {
 868                         for (k = 0;k < 3;k++)
 869                                 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
 870                         loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
 871                 }
 872                 //Con_Printf("model \"%s\" frame #%i tag #%i \"%s\"\n", loadmodel->name, i / loadmodel->alias.aliasnum_tags, i % loadmodel->alias.aliasnum_tags, loadmodel->alias.aliasdata_tags[i].name);
 873         }
 874
 875         // load meshes
 876         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
 877         for (i = 0, pinmesh = (md3mesh_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->alias.aliasnum_meshes;i++, pinmesh = (md3mesh_t *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_end)))
 878         {
 879                 if (memcmp(pinmesh->identifier, "IDP3", 4))
 880                         Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
 881                 mesh = loadmodel->alias.aliasdata_meshes + i;
 882                 mesh->num_skins = loadmodel->numskins;
 883                 mesh->num_frames = LittleLong(pinmesh->num_frames);
 884                 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
 885                 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
 886                 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
 887                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 888                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 889                 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
 890                 mesh->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(float[4][3]));
 891                 mesh->data_aliassvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 1;
 892                 mesh->data_aliastvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 2;
 893                 mesh->data_aliasnormal3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 3;
 894                 for (j = 0;j < mesh->num_triangles * 3;j++)
 895                         mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
 896                 for (j = 0;j < mesh->num_vertices;j++)
 897                 {
 898                         mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
 899                         mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
 900                 }
 901                 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
 902                 {
 903                         mesh->data_aliasvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
 904                         mesh->data_aliasvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
 905                         mesh->data_aliasvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
 906                 }
 907                 for (j = 0;j < mesh->num_frames;j++)
 908                         Mod_BuildTextureVectorsAndNormals(mesh->num_vertices, mesh->num_triangles, mesh->data_aliasvertex3f + j * mesh->num_vertices * 3, mesh->data_texcoord2f, mesh->data_element3i, mesh->data_aliassvector3f + j * mesh->num_vertices * 3, mesh->data_aliastvector3f + j * mesh->num_vertices * 3, mesh->data_aliasnormal3f + j * mesh->num_vertices * 3);
 909
 910                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
 911                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
 912
 913                 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
 914                         Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name);
 915                 else
 916                         for (j = 0;j < mesh->num_skins;j++)
 917                                 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
 918         }
 919         Mod_CalcAliasModelBBoxes();
 920         Mod_FreeSkinFiles(skinfiles);
 921 }
 922
 923 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
 924 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
 925 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
 926 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
 927 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
 928 {
 929         zymtype1header_t *pinmodel, *pheader;
 930         qbyte *pbase;
 931
 932         pinmodel = (void *)buffer;
 933         pbase = buffer;
 934         if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
 935                 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
 936         if (BigLong(pinmodel->type) != 1)
 937                 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
 938
 939         loadmodel->type = mod_alias;
 940         loadmodel->alias.aliastype = ALIASTYPE_ZYM;
 941         loadmodel->DrawSky = NULL;
 942         loadmodel->Draw = R_Model_Zymotic_Draw;
 943         loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
 944         loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
 945
 946         // byteswap header
 947         pheader = pinmodel;
 948         pheader->type = BigLong(pinmodel->type);
 949         pheader->filesize = BigLong(pinmodel->filesize);
 950         pheader->mins[0] = BigFloat(pinmodel->mins[0]);
 951         pheader->mins[1] = BigFloat(pinmodel->mins[1]);
 952         pheader->mins[2] = BigFloat(pinmodel->mins[2]);
 953         pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
 954         pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
 955         pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
 956         pheader->radius = BigFloat(pinmodel->radius);
 957         pheader->numverts = loadmodel->alias.zymnum_verts = BigLong(pinmodel->numverts);
 958         pheader->numtris = loadmodel->alias.zymnum_tris = BigLong(pinmodel->numtris);
 959         pheader->numshaders = loadmodel->alias.zymnum_shaders = BigLong(pinmodel->numshaders);
 960         pheader->numbones = loadmodel->alias.zymnum_bones = BigLong(pinmodel->numbones);
 961         pheader->numscenes = loadmodel->alias.zymnum_scenes = BigLong(pinmodel->numscenes);
 962         pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
 963         pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
 964         pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
 965         pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
 966         pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
 967         pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
 968         pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
 969         pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
 970         pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
 971         pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
 972         pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
 973         pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
 974         pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
 975         pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
 976         pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
 977         pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
 978         pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
 979         pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
 980
 981         loadmodel->flags = 0; // there are no flags
 982         loadmodel->numframes = pheader->numscenes;
 983         loadmodel->synctype = ST_SYNC;
 984         //loadmodel->num_triangles = pheader->num_triangles;
 985         //loadmodel->num_vertices = 0;
 986
 987         {
 988                 unsigned int i;
 989                 float modelradius, corner[2];
 990                 // model bbox
 991                 modelradius = pheader->radius;
 992                 for (i = 0;i < 3;i++)
 993                 {
 994                         loadmodel->normalmins[i] = pheader->mins[i];
 995                         loadmodel->normalmaxs[i] = pheader->maxs[i];
 996                         loadmodel->rotatedmins[i] = -modelradius;
 997                         loadmodel->rotatedmaxs[i] = modelradius;
 998                 }
 999                 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1000                 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1001                 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1002                 if (loadmodel->yawmaxs[0] > modelradius)
1003                         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1004                 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1005                 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1006                 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1007                 loadmodel->radius = modelradius;
1008                 loadmodel->radius2 = modelradius * modelradius;
1009         }
1010
1011         {
1012                 // FIXME: add shaders, and make them switchable shader sets and...
1013                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t));
1014                 loadmodel->skinscenes[0].firstframe = 0;
1015                 loadmodel->skinscenes[0].framecount = 1;
1016                 loadmodel->skinscenes[0].loop = true;
1017                 loadmodel->skinscenes[0].framerate = 10;
1018                 loadmodel->numskins = 1;
1019         }
1020
1021         // go through the lumps, swapping things
1022
1023         {
1024                 int i, numposes;
1025                 zymscene_t *scene;
1026         //      zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1027                 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1028                 scene = (void *) (pheader->lump_scenes.start + pbase);
1029                 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1030                 for (i = 0;i < pheader->numscenes;i++)
1031                 {
1032                         memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1033                         loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1034                         loadmodel->animscenes[i].framecount = BigLong(scene->length);
1035                         loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1036                         loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1037                         if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1038                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1039                         if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1040                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1041                         if (loadmodel->animscenes[i].framerate < 0)
1042                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1043                         scene++;
1044                 }
1045         }
1046
1047         {
1048                 int i;
1049                 float *poses;
1050         //      zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1051                 loadmodel->alias.zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1052                 poses = (void *) (pheader->lump_poses.start + pbase);
1053                 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1054                         loadmodel->alias.zymdata_poses[i] = BigFloat(poses[i]);
1055         }
1056
1057         {
1058                 int i;
1059                 zymbone_t *bone;
1060         //      zymlump_t lump_bones; // zymbone_t bone[numbones];
1061                 loadmodel->alias.zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1062                 bone = (void *) (pheader->lump_bones.start + pbase);
1063                 for (i = 0;i < pheader->numbones;i++)
1064                 {
1065                         memcpy(loadmodel->alias.zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1066                         loadmodel->alias.zymdata_bones[i].flags = BigLong(bone[i].flags);
1067                         loadmodel->alias.zymdata_bones[i].parent = BigLong(bone[i].parent);
1068                         if (loadmodel->alias.zymdata_bones[i].parent >= i)
1069                                 Host_Error("Mod_ZYMOTICMODEL_Load: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1070                 }
1071         }
1072
1073         {
1074                 int i, *bonecount;
1075         //      zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1076                 loadmodel->alias.zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1077                 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1078                 for (i = 0;i < pheader->numverts;i++)
1079                 {
1080                         loadmodel->alias.zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1081                         if (loadmodel->alias.zymdata_vertbonecounts[i] < 1)
1082                                 Host_Error("Mod_ZYMOTICMODEL_Load: bone vertex count < 1 in %s\n", loadmodel->name);
1083                 }
1084         }
1085
1086         {
1087                 int i;
1088                 zymvertex_t *vertdata;
1089         //      zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1090                 loadmodel->alias.zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1091                 vertdata = (void *) (pheader->lump_verts.start + pbase);
1092                 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1093                 {
1094                         loadmodel->alias.zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1095                         loadmodel->alias.zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1096                         loadmodel->alias.zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1097                         loadmodel->alias.zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1098                 }
1099         }
1100
1101         {
1102                 int i;
1103                 float *intexcoord2f, *outtexcoord2f;
1104         //      zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1105                 loadmodel->alias.zymdata_texcoords = outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1106                 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1107                 for (i = 0;i < pheader->numverts;i++)
1108                 {
1109                         outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1110                         // flip T coordinate for OpenGL
1111                         outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1112                 }
1113         }
1114
1115         {
1116                 int i, count, *renderlist, *renderlistend, *outrenderlist;
1117         //      zymlump_t lump_render; // int renderlist[rendersize]; // sorted by shader with run lengths (int count), shaders are sequentially used, each run can be used with glDrawElements (each triangle is 3 int indices)
1118                 loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1119                 // byteswap, validate, and swap winding order of tris
1120                 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1121                 if (pheader->lump_render.length != count)
1122                         Host_Error("Mod_ZYMOTICMODEL_Load: renderlist is wrong size in %s (is %i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1123                 outrenderlist = loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1124                 renderlist = (void *) (pheader->lump_render.start + pbase);
1125                 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1126                 for (i = 0;i < pheader->numshaders;i++)
1127                 {
1128                         if (renderlist >= renderlistend)
1129                                 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1130                         count = BigLong(*renderlist);renderlist++;
1131                         if (renderlist + count * 3 > renderlistend)
1132                                 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1133                         *outrenderlist++ = count;
1134                         while (count--)
1135                         {
1136                                 outrenderlist[2] = BigLong(renderlist[0]);
1137                                 outrenderlist[1] = BigLong(renderlist[1]);
1138                                 outrenderlist[0] = BigLong(renderlist[2]);
1139                                 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1140                                  || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1141                                  || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1142                                         Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1143                                 renderlist += 3;
1144                                 outrenderlist += 3;
1145                         }
1146                 }
1147         }
1148
1149         {
1150                 int i;
1151                 char *shadername;
1152         //      zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1153                 loadmodel->alias.zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1154                 shadername = (void *) (pheader->lump_shaders.start + pbase);
1155                 for (i = 0;i < pheader->numshaders;i++)
1156                         loadmodel->alias.zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1157         }
1158
1159         {
1160         //      zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1161                 loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1162                 memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1163         }
1164 }
1165