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_MDLMD2MD3_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
  30 {
  31         int i, framenum;
  32         float segmentmins[3], segmentmaxs[3];
  33         colbrushf_t *thisbrush_start, *thisbrush_end;
  34         matrix4x4_t startmatrix, endmatrix;
  35         memset(trace, 0, sizeof(*trace));
  36         trace->fraction = 1;
  37         trace->realfraction = 1;
  38         trace->hitsupercontentsmask = hitsupercontentsmask;
  39         segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
  40         segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
  41         segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
  42         segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
  43         segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
  44         segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
  45         if (VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
  46         {
  47                 // line trace
  48                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
  49                 {
  50                         framenum = frame;
  51                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_frames)
  52                                 framenum = 0;
  53                         Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_aliasvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
  54                 }
  55         }
  56         else
  57         {
  58                 // box trace, performed as brush trace
  59                 Matrix4x4_CreateIdentity(&startmatrix);
  60                 Matrix4x4_CreateIdentity(&endmatrix);
  61                 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
  62                 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
  63                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
  64                 {
  65                         framenum = frame;
  66                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_frames)
  67                                 framenum = 0;
  68                         Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_aliasvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
  69                 }
  70         }
  71 }
  72
  73 static void Mod_CalcAliasModelBBoxes (void)
  74 {
  75         int vnum, meshnum;
  76         float dist, yawradius, radius;
  77         aliasmesh_t *mesh;
  78         float *v;
  79         VectorClear(loadmodel->normalmins);
  80         VectorClear(loadmodel->normalmaxs);
  81         yawradius = 0;
  82         radius = 0;
  83         for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
  84         {
  85                 for (vnum = 0, v = mesh->data_aliasvertex3f;vnum < mesh->num_vertices * mesh->num_frames;vnum++, v += 3)
  86                 {
  87                         if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
  88                         if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
  89                         if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
  90                         if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
  91                         if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
  92                         if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
  93                         dist = v[0] * v[0] + v[1] * v[1];
  94                         if (yawradius < dist)
  95                                 yawradius = dist;
  96                         dist += v[2] * v[2];
  97                         if (radius < dist)
  98                                 radius = dist;
  99                 }
 100         }
 101         radius = sqrt(radius);
 102         yawradius = sqrt(yawradius);
 103         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
 104         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
 105         loadmodel->yawmins[2] = loadmodel->normalmins[2];
 106         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 107         loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
 108         loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
 109         loadmodel->radius = radius;
 110         loadmodel->radius2 = radius * radius;
 111 }
 112
 113 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
 114 {
 115         int i, j;
 116         vec3_t temp;
 117         for (i = 0;i < inverts;i++)
 118         {
 119                 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
 120                         continue;
 121                 temp[0] = v[i].v[0] * scale[0] + translate[0];
 122                 temp[1] = v[i].v[1] * scale[1] + translate[1];
 123                 temp[2] = v[i].v[2] * scale[2] + translate[2];
 124                 j = vertremap[i]; // not onseam
 125                 if (j >= 0)
 126                         VectorCopy(temp, out3f + j * 3);
 127                 j = vertremap[i+inverts]; // onseam
 128                 if (j >= 0)
 129                         VectorCopy(temp, out3f + j * 3);
 130         }
 131 }
 132
 133 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
 134 {
 135         int i, f, pose, groupframes;
 136         float interval;
 137         daliasframetype_t *pframetype;
 138         daliasframe_t *pinframe;
 139         daliasgroup_t *group;
 140         daliasinterval_t *intervals;
 141         animscene_t *scene;
 142         pose = 0;
 143         scene = loadmodel->animscenes;
 144         for (f = 0;f < loadmodel->numframes;f++)
 145         {
 146                 pframetype = (daliasframetype_t *)datapointer;
 147                 datapointer += sizeof(daliasframetype_t);
 148                 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
 149                 {
 150                         // a single frame is still treated as a group
 151                         interval = 0.1f;
 152                         groupframes = 1;
 153                 }
 154                 else
 155                 {
 156                         // read group header
 157                         group = (daliasgroup_t *)datapointer;
 158                         datapointer += sizeof(daliasgroup_t);
 159                         groupframes = LittleLong (group->numframes);
 160
 161                         // intervals (time per frame)
 162                         intervals = (daliasinterval_t *)datapointer;
 163                         datapointer += sizeof(daliasinterval_t) * groupframes;
 164
 165                         interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
 166                         if (interval < 0.01f)
 167                         {
 168                                 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
 169                                 interval = 0.1f;
 170                         }
 171                 }
 172
 173                 // get scene name from first frame
 174                 pinframe = (daliasframe_t *)datapointer;
 175
 176                 strcpy(scene->name, pinframe->name);
 177                 scene->firstframe = pose;
 178                 scene->framecount = groupframes;
 179                 scene->framerate = 1.0f / interval;
 180                 scene->loop = true;
 181                 scene++;
 182
 183                 // read frames
 184                 for (i = 0;i < groupframes;i++)
 185                 {
 186                         pinframe = (daliasframe_t *)datapointer;
 187                         datapointer += sizeof(daliasframe_t);
 188                         Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
 189                         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);
 190                         datapointer += sizeof(trivertx_t) * inverts;
 191                         pose++;
 192                 }
 193         }
 194 }
 195
 196 static skinframe_t missingskinframe;
 197 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
 198 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
 199 {
 200         aliaslayer_t *layer;
 201
 202         // hack
 203         if (skinframe == NULL)
 204         {
 205                 skinframe = &missingskinframe;
 206                 memset(skinframe, 0, sizeof(*skinframe));
 207                 skinframe->base = r_notexture;
 208         }
 209
 210         memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
 211         layer = mod_alias_layersbuffer;
 212         layer->flags = ALIASLAYER_SPECULAR;
 213         layer->texture = skinframe->gloss;
 214         layer->nmap = skinframe->nmap;
 215         layer++;
 216         if (skinframe->merged != NULL)
 217         {
 218                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
 219                 layer->texture = skinframe->merged;
 220                 layer->nmap = skinframe->nmap;
 221                 layer++;
 222         }
 223         if (skinframe->base != NULL)
 224         {
 225                 layer->flags = ALIASLAYER_DIFFUSE;
 226                 if (skinframe->merged != NULL)
 227                         layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
 228                 layer->texture = skinframe->base;
 229                 layer->nmap = skinframe->nmap;
 230                 layer++;
 231         }
 232         if (skinframe->pants != NULL)
 233         {
 234                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
 235                 layer->texture = skinframe->pants;
 236                 layer->nmap = skinframe->nmap;
 237                 layer++;
 238         }
 239         if (skinframe->shirt != NULL)
 240         {
 241                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
 242                 layer->texture = skinframe->shirt;
 243                 layer->nmap = skinframe->nmap;
 244                 layer++;
 245         }
 246
 247         if (skinframe->glow != NULL)
 248         {
 249                 layer->flags = 0;
 250                 layer->texture = skinframe->glow;
 251                 layer++;
 252         }
 253
 254         layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
 255         layer->texture = skinframe->fog;
 256         layer++;
 257
 258         skin->flags = 0;
 259         // fog texture only exists if some pixels are transparent...
 260         if (skinframe->fog != NULL)
 261                 skin->flags |= ALIASSKIN_TRANSPARENT;
 262
 263         skin->num_layers = layer - mod_alias_layersbuffer;
 264         skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
 265         memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
 266 }
 267
 268 void Mod_BuildAliasSkinsFromSkinFiles(aliasskin_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
 269 {
 270         int i;
 271         skinfileitem_t *skinfileitem;
 272         skinframe_t tempskinframe;
 273         if (skinfile)
 274         {
 275                 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
 276                 {
 277                         memset(skin, 0, sizeof(*skin));
 278                         for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
 279                         {
 280                                 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
 281                                 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
 282                                 {
 283                                         memset(&tempskinframe, 0, sizeof(tempskinframe));
 284                                         if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 285                                                 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 286                                         else
 287                                         {
 288                                                 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);
 289                                                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 290                                                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 291                                                 else
 292                                                 {
 293                                                         Con_Printf("failed to load skin \"%s\"\n", shadername);
 294                                                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 295                                                 }
 296                                         }
 297                                 }
 298                         }
 299                 }
 300         }
 301         else
 302         {
 303                 memset(&tempskinframe, 0, sizeof(tempskinframe));
 304                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 305                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 306                 else
 307                 {
 308                         Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
 309                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 310                 }
 311         }
 312 }
 313
 314 #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);
 315 #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);
 316 extern void R_Model_Alias_Draw(entity_render_t *ent);
 317 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist);
 318 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, int numsurfaces, const int *surfacelist);
 319 void Mod_IDP0_Load(model_t *mod, void *buffer)
 320 {
 321         int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
 322         float scales, scalet, scale[3], translate[3], interval;
 323         mdl_t *pinmodel;
 324         stvert_t *pinstverts;
 325         dtriangle_t *pintriangles;
 326         daliasskintype_t *pinskintype;
 327         daliasskingroup_t *pinskingroup;
 328         daliasskininterval_t *pinskinintervals;
 329         daliasframetype_t *pinframetype;
 330         daliasgroup_t *pinframegroup;
 331         qbyte *datapointer, *startframes, *startskins;
 332         char name[MAX_QPATH];
 333         skinframe_t tempskinframe;
 334         animscene_t *tempskinscenes;
 335         aliasskin_t *tempaliasskins;
 336         float *vertst;
 337         int *vertonseam, *vertremap;
 338         skinfile_t *skinfiles;
 339
 340         datapointer = buffer;
 341         pinmodel = (mdl_t *)datapointer;
 342         datapointer += sizeof(mdl_t);
 343
 344         version = LittleLong (pinmodel->version);
 345         if (version != ALIAS_VERSION)
 346                 Host_Error ("%s has wrong version number (%i should be %i)",
 347                                  loadmodel->name, version, ALIAS_VERSION);
 348
 349         loadmodel->type = mod_alias;
 350         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 351         loadmodel->DrawSky = NULL;
 352         loadmodel->Draw = R_Model_Alias_Draw;
 353         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 354         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 355         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 356
 357         loadmodel->alias.aliasnum_meshes = 1;
 358         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 359
 360         loadmodel->numskins = LittleLong(pinmodel->numskins);
 361         BOUNDI(loadmodel->numskins,0,65536);
 362         skinwidth = LittleLong (pinmodel->skinwidth);
 363         BOUNDI(skinwidth,0,65536);
 364         skinheight = LittleLong (pinmodel->skinheight);
 365         BOUNDI(skinheight,0,65536);
 366         numverts = LittleLong(pinmodel->numverts);
 367         BOUNDI(numverts,0,65536);
 368         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
 369         BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536);
 370         loadmodel->numframes = LittleLong(pinmodel->numframes);
 371         BOUNDI(loadmodel->numframes,0,65536);
 372         loadmodel->synctype = LittleLong (pinmodel->synctype);
 373         BOUNDI(loadmodel->synctype,0,2);
 374         loadmodel->flags = LittleLong (pinmodel->flags);
 375
 376         for (i = 0;i < 3;i++)
 377         {
 378                 scale[i] = LittleFloat (pinmodel->scale[i]);
 379                 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
 380         }
 381
 382         startskins = datapointer;
 383         totalskins = 0;
 384         for (i = 0;i < loadmodel->numskins;i++)
 385         {
 386                 pinskintype = (daliasskintype_t *)datapointer;
 387                 datapointer += sizeof(daliasskintype_t);
 388                 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
 389                         groupskins = 1;
 390                 else
 391                 {
 392                         pinskingroup = (daliasskingroup_t *)datapointer;
 393                         datapointer += sizeof(daliasskingroup_t);
 394                         groupskins = LittleLong(pinskingroup->numskins);
 395                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 396                 }
 397
 398                 for (j = 0;j < groupskins;j++)
 399                 {
 400                         datapointer += skinwidth * skinheight;
 401                         totalskins++;
 402                 }
 403         }
 404
 405         pinstverts = (stvert_t *)datapointer;
 406         datapointer += sizeof(stvert_t) * numverts;
 407
 408         pintriangles = (dtriangle_t *)datapointer;
 409         datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
 410
 411         startframes = datapointer;
 412         loadmodel->alias.aliasdata_meshes->num_frames = 0;
 413         for (i = 0;i < loadmodel->numframes;i++)
 414         {
 415                 pinframetype = (daliasframetype_t *)datapointer;
 416                 datapointer += sizeof(daliasframetype_t);
 417                 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
 418                         groupframes = 1;
 419                 else
 420                 {
 421                         pinframegroup = (daliasgroup_t *)datapointer;
 422                         datapointer += sizeof(daliasgroup_t);
 423                         groupframes = LittleLong(pinframegroup->numframes);
 424                         datapointer += sizeof(daliasinterval_t) * groupframes;
 425                 }
 426
 427                 for (j = 0;j < groupframes;j++)
 428                 {
 429                         datapointer += sizeof(daliasframe_t);
 430                         datapointer += sizeof(trivertx_t) * numverts;
 431                         loadmodel->alias.aliasdata_meshes->num_frames++;
 432                 }
 433         }
 434
 435         // store texture coordinates into temporary array, they will be stored
 436         // after usage is determined (triangle data)
 437         vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
 438         vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
 439         vertonseam = vertremap + numverts * 2;
 440
 441         scales = 1.0 / skinwidth;
 442         scalet = 1.0 / skinheight;
 443         for (i = 0;i < numverts;i++)
 444         {
 445                 vertonseam[i] = LittleLong(pinstverts[i].onseam);
 446                 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
 447                 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
 448                 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
 449                 vertst[(i+numverts)*2+1] = vertst[i*2+1];
 450         }
 451
 452 // load triangle data
 453         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
 454
 455         // read the triangle elements
 456         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 457                 for (j = 0;j < 3;j++)
 458                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
 459         // validate (note numverts is used because this is the original data)
 460         Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
 461         // now butcher the elements according to vertonseam and tri->facesfront
 462         // and then compact the vertex set to remove duplicates
 463         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 464                 if (!LittleLong(pintriangles[i].facesfront)) // backface
 465                         for (j = 0;j < 3;j++)
 466                                 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
 467                                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
 468         // count the usage
 469         // (this uses vertremap to count usage to save some memory)
 470         for (i = 0;i < numverts*2;i++)
 471                 vertremap[i] = 0;
 472         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
 473                 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
 474         // build remapping table and compact array
 475         loadmodel->alias.aliasdata_meshes->num_vertices = 0;
 476         for (i = 0;i < numverts*2;i++)
 477         {
 478                 if (vertremap[i])
 479                 {
 480                         vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
 481                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
 482                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
 483                         loadmodel->alias.aliasdata_meshes->num_vertices++;
 484                 }
 485                 else
 486                         vertremap[i] = -1; // not used at all
 487         }
 488         // remap the elements to the new vertex set
 489         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
 490                 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
 491         // store the texture coordinates
 492         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
 493         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
 494         {
 495                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
 496                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
 497         }
 498
 499 // load the frames
 500         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 501         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);
 502         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;
 503         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;
 504         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;
 505         Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
 506         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 507         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 508         Mod_CalcAliasModelBBoxes();
 509
 510         Mem_Free(vertst);
 511         Mem_Free(vertremap);
 512
 513         // load the skins
 514         if ((skinfiles = Mod_LoadSkinFiles()))
 515         {
 516                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
 517                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 518                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 519                 Mod_FreeSkinFiles(skinfiles);
 520                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 521                 for (i = 0;i < loadmodel->numskins;i++)
 522                 {
 523                         loadmodel->skinscenes[i].firstframe = i;
 524                         loadmodel->skinscenes[i].framecount = 1;
 525                         loadmodel->skinscenes[i].loop = true;
 526                         loadmodel->skinscenes[i].framerate = 10;
 527                 }
 528         }
 529         else
 530         {
 531                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
 532                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 533                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
 534                 totalskins = 0;
 535                 datapointer = startskins;
 536                 for (i = 0;i < loadmodel->numskins;i++)
 537                 {
 538                         pinskintype = (daliasskintype_t *)datapointer;
 539                         datapointer += sizeof(daliasskintype_t);
 540
 541                         if (pinskintype->type == ALIAS_SKIN_SINGLE)
 542                         {
 543                                 groupskins = 1;
 544                                 interval = 0.1f;
 545                         }
 546                         else
 547                         {
 548                                 pinskingroup = (daliasskingroup_t *)datapointer;
 549                                 datapointer += sizeof(daliasskingroup_t);
 550
 551                                 groupskins = LittleLong (pinskingroup->numskins);
 552
 553                                 pinskinintervals = (daliasskininterval_t *)datapointer;
 554                                 datapointer += sizeof(daliasskininterval_t) * groupskins;
 555
 556                                 interval = LittleFloat(pinskinintervals[0].interval);
 557                                 if (interval < 0.01f)
 558                                 {
 559                                         Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
 560                                         interval = 0.1f;
 561                                 }
 562                         }
 563
 564                         sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
 565                         loadmodel->skinscenes[i].firstframe = totalskins;
 566                         loadmodel->skinscenes[i].framecount = groupskins;
 567                         loadmodel->skinscenes[i].framerate = 1.0f / interval;
 568                         loadmodel->skinscenes[i].loop = true;
 569
 570                         for (j = 0;j < groupskins;j++)
 571                         {
 572                                 if (groupskins > 1)
 573                                         sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
 574                                 else
 575                                         sprintf (name, "%s_%i", loadmodel->name, i);
 576                                 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
 577                                         Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, r_fullbrights.integer, (qbyte *)datapointer, skinwidth, skinheight);
 578                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 579                                 datapointer += skinwidth * skinheight;
 580                                 totalskins++;
 581                         }
 582                 }
 583                 // check for skins that don't exist in the model, but do exist as external images
 584                 // (this was added because yummyluv kept pestering me about support for it)
 585                 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
 586                 {
 587                         // expand the arrays to make room
 588                         tempskinscenes = loadmodel->skinscenes;
 589                         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
 590                         memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
 591                         Mem_Free(tempskinscenes);
 592
 593                         tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
 594                         loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(aliasskin_t));
 595                         memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(aliasskin_t));
 596                         Mem_Free(tempaliasskins);
 597
 598                         // store the info about the new skin
 599                         Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 600                         strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
 601                         loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
 602                         loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
 603                         loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
 604                         loadmodel->skinscenes[loadmodel->numskins].loop = true;
 605
 606                         //increase skin counts
 607                         loadmodel->alias.aliasdata_meshes->num_skins++;
 608                         loadmodel->numskins++;
 609                         totalskins++;
 610                 }
 611         }
 612 }
 613
 614 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
 615 {
 616         int i;
 617         trivertx_t *in;
 618         for (i = 0;i < numverts;i++, out3f += 3)
 619         {
 620                 in = v + vertremap[i];
 621                 out3f[0] = in->v[0] * scale[0] + translate[0];
 622                 out3f[1] = in->v[1] * scale[1] + translate[1];
 623                 out3f[2] = in->v[2] * scale[2] + translate[2];
 624         }
 625 }
 626
 627 void Mod_IDP2_Load(model_t *mod, void *buffer)
 628 {
 629         int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
 630         float *stverts, s, t, scale[3], translate[3];
 631         md2_t *pinmodel;
 632         qbyte *base, *datapointer;
 633         md2frame_t *pinframe;
 634         char *inskin;
 635         md2triangle_t *intri;
 636         unsigned short *inst;
 637         struct md2verthash_s
 638         {
 639                 struct md2verthash_s *next;
 640                 int xyz;
 641                 float st[2];
 642         }
 643         *hash, **md2verthash, *md2verthashdata;
 644         skinframe_t tempskinframe;
 645         skinfile_t *skinfiles;
 646
 647         pinmodel = buffer;
 648         base = buffer;
 649
 650         version = LittleLong (pinmodel->version);
 651         if (version != MD2ALIAS_VERSION)
 652                 Host_Error ("%s has wrong version number (%i should be %i)",
 653                         loadmodel->name, version, MD2ALIAS_VERSION);
 654
 655         loadmodel->type = mod_alias;
 656         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 657         loadmodel->DrawSky = NULL;
 658         loadmodel->Draw = R_Model_Alias_Draw;
 659         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 660         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 661         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 662
 663         if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
 664                 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
 665         if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
 666                 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
 667         if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
 668                 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
 669         if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
 670                 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
 671
 672         end = LittleLong(pinmodel->ofs_end);
 673         if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
 674                 Host_Error ("%s is not a valid model", loadmodel->name);
 675         if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
 676                 Host_Error ("%s is not a valid model", loadmodel->name);
 677         if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
 678                 Host_Error ("%s is not a valid model", loadmodel->name);
 679         if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
 680                 Host_Error ("%s is not a valid model", loadmodel->name);
 681         if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
 682                 Host_Error ("%s is not a valid model", loadmodel->name);
 683
 684         loadmodel->alias.aliasnum_meshes = 1;
 685         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 686
 687         loadmodel->numskins = LittleLong(pinmodel->num_skins);
 688         numxyz = LittleLong(pinmodel->num_xyz);
 689         numst = LittleLong(pinmodel->num_st);
 690         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
 691         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 692         loadmodel->alias.aliasdata_meshes->num_frames = loadmodel->numframes;
 693         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 694
 695         loadmodel->flags = 0; // there are no MD2 flags
 696         loadmodel->synctype = ST_RAND;
 697
 698         // load the skins
 699         inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
 700         if ((skinfiles = Mod_LoadSkinFiles()))
 701         {
 702                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 703                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 704                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 705                 Mod_FreeSkinFiles(skinfiles);
 706         }
 707         else if (loadmodel->numskins)
 708         {
 709                 // skins found (most likely not a player model)
 710                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 711                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 712                 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
 713                 {
 714                         if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 715                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
 716                         else
 717                         {
 718                                 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
 719                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
 720                         }
 721                 }
 722         }
 723         else
 724         {
 725                 // no skins (most likely a player model)
 726                 loadmodel->numskins = 1;
 727                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 728                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 729                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
 730         }
 731
 732         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 733         for (i = 0;i < loadmodel->numskins;i++)
 734         {
 735                 loadmodel->skinscenes[i].firstframe = i;
 736                 loadmodel->skinscenes[i].framecount = 1;
 737                 loadmodel->skinscenes[i].loop = true;
 738                 loadmodel->skinscenes[i].framerate = 10;
 739         }
 740
 741         // load the triangles and stvert data
 742         inst = (void*)(base + LittleLong(pinmodel->ofs_st));
 743         intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
 744         skinwidth = LittleLong(pinmodel->skinwidth);
 745         skinheight = LittleLong(pinmodel->skinheight);
 746
 747         stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
 748         s = 1.0f / skinwidth;
 749         t = 1.0f / skinheight;
 750         for (i = 0;i < numst;i++)
 751         {
 752                 j = (unsigned short) LittleShort(inst[i*2+0]);
 753                 k = (unsigned short) LittleShort(inst[i*2+1]);
 754                 if (j >= skinwidth || k >= skinheight)
 755                 {
 756                         Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, j, k, i);
 757                         j = 0;
 758                         k = 0;
 759                 }
 760                 stverts[i*2+0] = j * s;
 761                 stverts[i*2+1] = k * t;
 762         }
 763
 764         md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
 765         md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
 766         // swap the triangle list
 767         num = 0;
 768         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 769         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 770         {
 771                 for (j = 0;j < 3;j++)
 772                 {
 773                         xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
 774                         st = (unsigned short) LittleShort (intri[i].index_st[j]);
 775                         if (xyz >= numxyz)
 776                         {
 777                                 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
 778                                 xyz = 0;
 779                         }
 780                         if (st >= numst)
 781                         {
 782                                 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
 783                                 st = 0;
 784                         }
 785                         s = stverts[st*2+0];
 786                         t = stverts[st*2+1];
 787                         hashindex = (xyz * 17 + st) & 255;
 788                         for (hash = md2verthash[hashindex];hash;hash = hash->next)
 789                                 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
 790                                         break;
 791                         if (hash == NULL)
 792                         {
 793                                 hash = md2verthashdata + num++;
 794                                 hash->xyz = xyz;
 795                                 hash->st[0] = s;
 796                                 hash->st[1] = t;
 797                                 hash->next = md2verthash[hashindex];
 798                                 md2verthash[hashindex] = hash;
 799                         }
 800                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
 801                 }
 802         }
 803
 804         Mem_Free(stverts);
 805
 806         numverts = num;
 807         loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
 808         vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
 809         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
 810         for (i = 0;i < num;i++)
 811         {
 812                 hash = md2verthashdata + i;
 813                 vertremap[i] = hash->xyz;
 814                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
 815                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
 816         }
 817
 818         Mem_Free(md2verthash);
 819         Mem_Free(md2verthashdata);
 820
 821         // load the frames
 822         datapointer = (base + LittleLong(pinmodel->ofs_frames));
 823         loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_frames * sizeof(float[4][3]));
 824         loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 1;
 825         loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 2;
 826         loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 3;
 827         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_frames;i++)
 828         {
 829                 pinframe = (md2frame_t *)datapointer;
 830                 datapointer += sizeof(md2frame_t);
 831                 for (j = 0;j < 3;j++)
 832                 {
 833                         scale[j] = LittleFloat(pinframe->scale[j]);
 834                         translate[j] = LittleFloat(pinframe->translate[j]);
 835                 }
 836                 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * numverts * 3, numverts, vertremap);
 837                 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);
 838                 datapointer += numxyz * sizeof(trivertx_t);
 839
 840                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 841                 loadmodel->animscenes[i].firstframe = i;
 842                 loadmodel->animscenes[i].framecount = 1;
 843                 loadmodel->animscenes[i].framerate = 10;
 844                 loadmodel->animscenes[i].loop = true;
 845         }
 846
 847         Mem_Free(vertremap);
 848
 849         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 850         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 851         Mod_CalcAliasModelBBoxes();
 852 }
 853
 854 void Mod_IDP3_Load(model_t *mod, void *buffer)
 855 {
 856         int i, j, k, version;
 857         md3modelheader_t *pinmodel;
 858         md3frameinfo_t *pinframe;
 859         md3mesh_t *pinmesh;
 860         md3tag_t *pintag;
 861         aliasmesh_t *mesh;
 862         skinfile_t *skinfiles;
 863
 864         pinmodel = buffer;
 865
 866         if (memcmp(pinmodel->identifier, "IDP3", 4))
 867                 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
 868         version = LittleLong (pinmodel->version);
 869         if (version != MD3VERSION)
 870                 Host_Error ("%s has wrong version number (%i should be %i)",
 871                         loadmodel->name, version, MD3VERSION);
 872
 873         skinfiles = Mod_LoadSkinFiles();
 874         if (loadmodel->numskins < 1)
 875                 loadmodel->numskins = 1;
 876
 877         loadmodel->type = mod_alias;
 878         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 879         loadmodel->DrawSky = NULL;
 880         loadmodel->Draw = R_Model_Alias_Draw;
 881         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 882         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 883         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 884         loadmodel->flags = LittleLong(pinmodel->flags);
 885         loadmodel->synctype = ST_RAND;
 886
 887         // set up some global info about the model
 888         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 889         loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
 890
 891         // make skinscenes for the skins (no groups)
 892         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 893         for (i = 0;i < loadmodel->numskins;i++)
 894         {
 895                 loadmodel->skinscenes[i].firstframe = i;
 896                 loadmodel->skinscenes[i].framecount = 1;
 897                 loadmodel->skinscenes[i].loop = true;
 898                 loadmodel->skinscenes[i].framerate = 10;
 899         }
 900
 901         // load frameinfo
 902         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 903         for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
 904         {
 905                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 906                 loadmodel->animscenes[i].firstframe = i;
 907                 loadmodel->animscenes[i].framecount = 1;
 908                 loadmodel->animscenes[i].framerate = 10;
 909                 loadmodel->animscenes[i].loop = true;
 910         }
 911
 912         // load tags
 913         loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
 914         loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
 915         loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
 916         for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
 917         {
 918                 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
 919                 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
 920                 for (j = 0;j < 3;j++)
 921                 {
 922                         for (k = 0;k < 3;k++)
 923                                 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
 924                         loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
 925                 }
 926                 //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);
 927         }
 928
 929         // load meshes
 930         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
 931         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)))
 932         {
 933                 if (memcmp(pinmesh->identifier, "IDP3", 4))
 934                         Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
 935                 mesh = loadmodel->alias.aliasdata_meshes + i;
 936                 mesh->num_skins = loadmodel->numskins;
 937                 mesh->num_frames = LittleLong(pinmesh->num_frames);
 938                 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
 939                 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
 940                 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
 941                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 942                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 943                 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
 944                 mesh->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(float[4][3]));
 945                 mesh->data_aliassvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 1;
 946                 mesh->data_aliastvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 2;
 947                 mesh->data_aliasnormal3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 3;
 948                 for (j = 0;j < mesh->num_triangles * 3;j++)
 949                         mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
 950                 for (j = 0;j < mesh->num_vertices;j++)
 951                 {
 952                         mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
 953                         mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
 954                 }
 955                 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
 956                 {
 957                         mesh->data_aliasvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
 958                         mesh->data_aliasvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
 959                         mesh->data_aliasvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
 960                 }
 961                 for (j = 0;j < mesh->num_frames;j++)
 962                         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);
 963
 964                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
 965                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
 966
 967                 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
 968                         Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name);
 969                 else
 970                         for (j = 0;j < mesh->num_skins;j++)
 971                                 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
 972         }
 973         Mod_CalcAliasModelBBoxes();
 974         Mod_FreeSkinFiles(skinfiles);
 975 }
 976
 977 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
 978 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
 979 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist);
 980 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, int numsurfaces, const int *surfacelist);
 981 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
 982 {
 983         zymtype1header_t *pinmodel, *pheader;
 984         qbyte *pbase;
 985
 986         pinmodel = (void *)buffer;
 987         pbase = buffer;
 988         if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
 989                 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
 990         if (BigLong(pinmodel->type) != 1)
 991                 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
 992
 993         loadmodel->type = mod_alias;
 994         loadmodel->alias.aliastype = ALIASTYPE_ZYM;
 995         loadmodel->DrawSky = NULL;
 996         loadmodel->Draw = R_Model_Zymotic_Draw;
 997         loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
 998         loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
 999
1000         // byteswap header
1001         pheader = pinmodel;
1002         pheader->type = BigLong(pinmodel->type);
1003         pheader->filesize = BigLong(pinmodel->filesize);
1004         pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1005         pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1006         pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1007         pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1008         pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1009         pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1010         pheader->radius = BigFloat(pinmodel->radius);
1011         pheader->numverts = loadmodel->alias.zymnum_verts = BigLong(pinmodel->numverts);
1012         pheader->numtris = loadmodel->alias.zymnum_tris = BigLong(pinmodel->numtris);
1013         pheader->numshaders = loadmodel->alias.zymnum_shaders = BigLong(pinmodel->numshaders);
1014         pheader->numbones = loadmodel->alias.zymnum_bones = BigLong(pinmodel->numbones);
1015         pheader->numscenes = loadmodel->alias.zymnum_scenes = BigLong(pinmodel->numscenes);
1016         pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1017         pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1018         pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1019         pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1020         pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1021         pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1022         pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1023         pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1024         pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1025         pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1026         pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1027         pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1028         pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1029         pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1030         pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1031         pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1032         pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1033         pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1034
1035         loadmodel->flags = 0; // there are no flags
1036         loadmodel->numframes = pheader->numscenes;
1037         loadmodel->synctype = ST_SYNC;
1038         //loadmodel->num_triangles = pheader->num_triangles;
1039         //loadmodel->num_vertices = 0;
1040
1041         {
1042                 unsigned int i;
1043                 float modelradius, corner[2];
1044                 // model bbox
1045                 modelradius = pheader->radius;
1046                 for (i = 0;i < 3;i++)
1047                 {
1048                         loadmodel->normalmins[i] = pheader->mins[i];
1049                         loadmodel->normalmaxs[i] = pheader->maxs[i];
1050                         loadmodel->rotatedmins[i] = -modelradius;
1051                         loadmodel->rotatedmaxs[i] = modelradius;
1052                 }
1053                 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1054                 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1055                 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1056                 if (loadmodel->yawmaxs[0] > modelradius)
1057                         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1058                 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1059                 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1060                 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1061                 loadmodel->radius = modelradius;
1062                 loadmodel->radius2 = modelradius * modelradius;
1063         }
1064
1065         {
1066                 // FIXME: add shaders, and make them switchable shader sets and...
1067                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t));
1068                 loadmodel->skinscenes[0].firstframe = 0;
1069                 loadmodel->skinscenes[0].framecount = 1;
1070                 loadmodel->skinscenes[0].loop = true;
1071                 loadmodel->skinscenes[0].framerate = 10;
1072                 loadmodel->numskins = 1;
1073         }
1074
1075         // go through the lumps, swapping things
1076
1077         {
1078                 int i, numposes;
1079                 zymscene_t *scene;
1080         //      zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1081                 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1082                 scene = (void *) (pheader->lump_scenes.start + pbase);
1083                 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1084                 for (i = 0;i < pheader->numscenes;i++)
1085                 {
1086                         memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1087                         loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1088                         loadmodel->animscenes[i].framecount = BigLong(scene->length);
1089                         loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1090                         loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1091                         if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1092                                 Host_Error("%s scene->firstframe (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1093                         if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1094                                 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1095                         if (loadmodel->animscenes[i].framerate < 0)
1096                                 Host_Error("%s scene->framerate (%f) < 0\n", loadmodel->name, loadmodel->animscenes[i].framerate);
1097                         scene++;
1098                 }
1099         }
1100
1101         {
1102                 int i;
1103                 float *poses;
1104         //      zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1105                 loadmodel->alias.zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1106                 poses = (void *) (pheader->lump_poses.start + pbase);
1107                 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1108                         loadmodel->alias.zymdata_poses[i] = BigFloat(poses[i]);
1109         }
1110
1111         {
1112                 int i;
1113                 zymbone_t *bone;
1114         //      zymlump_t lump_bones; // zymbone_t bone[numbones];
1115                 loadmodel->alias.zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1116                 bone = (void *) (pheader->lump_bones.start + pbase);
1117                 for (i = 0;i < pheader->numbones;i++)
1118                 {
1119                         memcpy(loadmodel->alias.zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1120                         loadmodel->alias.zymdata_bones[i].flags = BigLong(bone[i].flags);
1121                         loadmodel->alias.zymdata_bones[i].parent = BigLong(bone[i].parent);
1122                         if (loadmodel->alias.zymdata_bones[i].parent >= i)
1123                                 Host_Error("%s bone[%i].parent >= %i\n", loadmodel->name, i, i);
1124                 }
1125         }
1126
1127         {
1128                 int i, *bonecount;
1129         //      zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1130                 loadmodel->alias.zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1131                 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1132                 for (i = 0;i < pheader->numverts;i++)
1133                 {
1134                         loadmodel->alias.zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1135                         if (loadmodel->alias.zymdata_vertbonecounts[i] < 1)
1136                                 Host_Error("%s bonecount[%i] < 1\n", loadmodel->name, i);
1137                 }
1138         }
1139
1140         {
1141                 int i;
1142                 zymvertex_t *vertdata;
1143         //      zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1144                 loadmodel->alias.zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1145                 vertdata = (void *) (pheader->lump_verts.start + pbase);
1146                 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1147                 {
1148                         loadmodel->alias.zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1149                         loadmodel->alias.zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1150                         loadmodel->alias.zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1151                         loadmodel->alias.zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1152                 }
1153         }
1154
1155         {
1156                 int i;
1157                 float *intexcoord2f, *outtexcoord2f;
1158         //      zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1159                 loadmodel->alias.zymdata_texcoords = outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1160                 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1161                 for (i = 0;i < pheader->numverts;i++)
1162                 {
1163                         outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1164                         // flip T coordinate for OpenGL
1165                         outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1166                 }
1167         }
1168
1169         {
1170                 int i, count, *renderlist, *renderlistend, *outrenderlist;
1171         //      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)
1172                 loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1173                 // byteswap, validate, and swap winding order of tris
1174                 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1175                 if (pheader->lump_render.length != count)
1176                         Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1177                 outrenderlist = loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1178                 renderlist = (void *) (pheader->lump_render.start + pbase);
1179                 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1180                 for (i = 0;i < pheader->numshaders;i++)
1181                 {
1182                         if (renderlist >= renderlistend)
1183                                 Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1184                         count = BigLong(*renderlist);renderlist++;
1185                         if (renderlist + count * 3 > renderlistend)
1186                                 Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1187                         *outrenderlist++ = count;
1188                         while (count--)
1189                         {
1190                                 outrenderlist[2] = BigLong(renderlist[0]);
1191                                 outrenderlist[1] = BigLong(renderlist[1]);
1192                                 outrenderlist[0] = BigLong(renderlist[2]);
1193                                 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1194                                  || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1195                                  || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1196                                         Host_Error("%s corrupt renderlist (out of bounds index)\n", loadmodel->name);
1197                                 renderlist += 3;
1198                                 outrenderlist += 3;
1199                         }
1200                 }
1201         }
1202
1203         {
1204                 int i;
1205                 char *shadername;
1206         //      zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1207                 loadmodel->alias.zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1208                 shadername = (void *) (pheader->lump_shaders.start + pbase);
1209                 for (i = 0;i < pheader->numshaders;i++)
1210                         loadmodel->alias.zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1211         }
1212
1213         {
1214         //      zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1215                 loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1216                 memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1217         }
1218 }
1219