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->hitsupercontentsmask = hitsupercontentsmask;
  38         segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
  39         segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
  40         segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
  41         segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
  42         segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
  43         segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
  44         if (VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
  45         {
  46                 // line trace
  47                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
  48                 {
  49                         framenum = frame;
  50                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_frames)
  51                                 framenum = 0;
  52                         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);
  53                 }
  54         }
  55         else
  56         {
  57                 // box trace, performed as brush trace
  58                 Matrix4x4_CreateIdentity(&startmatrix);
  59                 Matrix4x4_CreateIdentity(&endmatrix);
  60                 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
  61                 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
  62                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
  63                 {
  64                         framenum = frame;
  65                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_frames)
  66                                 framenum = 0;
  67                         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);
  68                 }
  69         }
  70 }
  71
  72 static void Mod_CalcAliasModelBBoxes (void)
  73 {
  74         int vnum, meshnum;
  75         float dist, yawradius, radius;
  76         aliasmesh_t *mesh;
  77         float *v;
  78         VectorClear(loadmodel->normalmins);
  79         VectorClear(loadmodel->normalmaxs);
  80         yawradius = 0;
  81         radius = 0;
  82         for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
  83         {
  84                 for (vnum = 0, v = mesh->data_aliasvertex3f;vnum < mesh->num_vertices * mesh->num_frames;vnum++, v += 3)
  85                 {
  86                         if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
  87                         if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
  88                         if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
  89                         if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
  90                         if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
  91                         if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
  92                         dist = v[0] * v[0] + v[1] * v[1];
  93                         if (yawradius < dist)
  94                                 yawradius = dist;
  95                         dist += v[2] * v[2];
  96                         if (radius < dist)
  97                                 radius = dist;
  98                 }
  99         }
 100         radius = sqrt(radius);
 101         yawradius = sqrt(yawradius);
 102         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
 103         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
 104         loadmodel->yawmins[2] = loadmodel->normalmins[2];
 105         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 106         loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
 107         loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
 108         loadmodel->radius = radius;
 109         loadmodel->radius2 = radius * radius;
 110 }
 111
 112 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
 113 {
 114         int i, j;
 115         vec3_t temp;
 116         for (i = 0;i < inverts;i++)
 117         {
 118                 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
 119                         continue;
 120                 temp[0] = v[i].v[0] * scale[0] + translate[0];
 121                 temp[1] = v[i].v[1] * scale[1] + translate[1];
 122                 temp[2] = v[i].v[2] * scale[2] + translate[2];
 123                 j = vertremap[i]; // not onseam
 124                 if (j >= 0)
 125                         VectorCopy(temp, out3f + j * 3);
 126                 j = vertremap[i+inverts]; // onseam
 127                 if (j >= 0)
 128                         VectorCopy(temp, out3f + j * 3);
 129         }
 130 }
 131
 132 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
 133 {
 134         int i, f, pose, groupframes;
 135         float interval;
 136         daliasframetype_t *pframetype;
 137         daliasframe_t *pinframe;
 138         daliasgroup_t *group;
 139         daliasinterval_t *intervals;
 140         animscene_t *scene;
 141         pose = 0;
 142         scene = loadmodel->animscenes;
 143         for (f = 0;f < loadmodel->numframes;f++)
 144         {
 145                 pframetype = (daliasframetype_t *)datapointer;
 146                 datapointer += sizeof(daliasframetype_t);
 147                 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
 148                 {
 149                         // a single frame is still treated as a group
 150                         interval = 0.1f;
 151                         groupframes = 1;
 152                 }
 153                 else
 154                 {
 155                         // read group header
 156                         group = (daliasgroup_t *)datapointer;
 157                         datapointer += sizeof(daliasgroup_t);
 158                         groupframes = LittleLong (group->numframes);
 159
 160                         // intervals (time per frame)
 161                         intervals = (daliasinterval_t *)datapointer;
 162                         datapointer += sizeof(daliasinterval_t) * groupframes;
 163
 164                         interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
 165                         if (interval < 0.01f)
 166                                 Host_Error("Mod_MDL_LoadFrames: invalid interval");
 167                 }
 168
 169                 // get scene name from first frame
 170                 pinframe = (daliasframe_t *)datapointer;
 171
 172                 strcpy(scene->name, pinframe->name);
 173                 scene->firstframe = pose;
 174                 scene->framecount = groupframes;
 175                 scene->framerate = 1.0f / interval;
 176                 scene->loop = true;
 177                 scene++;
 178
 179                 // read frames
 180                 for (i = 0;i < groupframes;i++)
 181                 {
 182                         pinframe = (daliasframe_t *)datapointer;
 183                         datapointer += sizeof(daliasframe_t);
 184                         Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
 185                         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);
 186                         datapointer += sizeof(trivertx_t) * inverts;
 187                         pose++;
 188                 }
 189         }
 190 }
 191
 192 static skinframe_t missingskinframe;
 193 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
 194 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
 195 {
 196         aliaslayer_t *layer;
 197
 198         // hack
 199         if (skinframe == NULL)
 200         {
 201                 skinframe = &missingskinframe;
 202                 memset(skinframe, 0, sizeof(*skinframe));
 203                 skinframe->base = r_notexture;
 204         }
 205
 206         memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
 207         layer = mod_alias_layersbuffer;
 208         layer->flags = ALIASLAYER_SPECULAR;
 209         layer->texture = skinframe->gloss;
 210         layer->nmap = skinframe->nmap;
 211         layer++;
 212         if (skinframe->merged != NULL)
 213         {
 214                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
 215                 layer->texture = skinframe->merged;
 216                 layer->nmap = skinframe->nmap;
 217                 layer++;
 218         }
 219         if (skinframe->base != NULL)
 220         {
 221                 layer->flags = ALIASLAYER_DIFFUSE;
 222                 if (skinframe->merged != NULL)
 223                         layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
 224                 layer->texture = skinframe->base;
 225                 layer->nmap = skinframe->nmap;
 226                 layer++;
 227         }
 228         if (skinframe->pants != NULL)
 229         {
 230                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
 231                 layer->texture = skinframe->pants;
 232                 layer->nmap = skinframe->nmap;
 233                 layer++;
 234         }
 235         if (skinframe->shirt != NULL)
 236         {
 237                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
 238                 layer->texture = skinframe->shirt;
 239                 layer->nmap = skinframe->nmap;
 240                 layer++;
 241         }
 242
 243         if (skinframe->glow != NULL)
 244         {
 245                 layer->flags = 0;
 246                 layer->texture = skinframe->glow;
 247                 layer++;
 248         }
 249
 250         layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
 251         layer->texture = skinframe->fog;
 252         layer++;
 253
 254         skin->flags = 0;
 255         // fog texture only exists if some pixels are transparent...
 256         if (skinframe->fog != NULL)
 257                 skin->flags |= ALIASSKIN_TRANSPARENT;
 258
 259         skin->num_layers = layer - mod_alias_layersbuffer;
 260         skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
 261         memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
 262 }
 263
 264 void Mod_BuildAliasSkinsFromSkinFiles(aliasskin_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
 265 {
 266         int i;
 267         skinfileitem_t *skinfileitem;
 268         skinframe_t tempskinframe;
 269         if (skinfile)
 270         {
 271                 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
 272                 {
 273                         memset(skin, 0, sizeof(*skin));
 274                         for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
 275                         {
 276                                 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
 277                                 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
 278                                 {
 279                                         memset(&tempskinframe, 0, sizeof(tempskinframe));
 280                                         if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 281                                                 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 282                                         else
 283                                         {
 284                                                 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);
 285                                                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 286                                                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 287                                                 else
 288                                                 {
 289                                                         Con_Printf("failed to load skin \"%s\"\n", shadername);
 290                                                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 291                                                 }
 292                                         }
 293                                 }
 294                         }
 295                 }
 296         }
 297         else
 298         {
 299                 memset(&tempskinframe, 0, sizeof(tempskinframe));
 300                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 301                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 302                 else
 303                 {
 304                         Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
 305                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 306                 }
 307         }
 308 }
 309
 310 #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);
 311 #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);
 312 extern void R_Model_Alias_Draw(entity_render_t *ent);
 313 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
 314 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);
 315 void Mod_IDP0_Load(model_t *mod, void *buffer)
 316 {
 317         int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
 318         float scales, scalet, scale[3], translate[3], interval;
 319         mdl_t *pinmodel;
 320         stvert_t *pinstverts;
 321         dtriangle_t *pintriangles;
 322         daliasskintype_t *pinskintype;
 323         daliasskingroup_t *pinskingroup;
 324         daliasskininterval_t *pinskinintervals;
 325         daliasframetype_t *pinframetype;
 326         daliasgroup_t *pinframegroup;
 327         qbyte *datapointer, *startframes, *startskins;
 328         char name[MAX_QPATH];
 329         skinframe_t tempskinframe;
 330         animscene_t *tempskinscenes;
 331         aliasskin_t *tempaliasskins;
 332         float *vertst;
 333         int *vertonseam, *vertremap;
 334         skinfile_t *skinfiles;
 335
 336         datapointer = buffer;
 337         pinmodel = (mdl_t *)datapointer;
 338         datapointer += sizeof(mdl_t);
 339
 340         version = LittleLong (pinmodel->version);
 341         if (version != ALIAS_VERSION)
 342                 Host_Error ("%s has wrong version number (%i should be %i)",
 343                                  loadmodel->name, version, ALIAS_VERSION);
 344
 345         loadmodel->type = mod_alias;
 346         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 347         loadmodel->DrawSky = NULL;
 348         loadmodel->Draw = R_Model_Alias_Draw;
 349         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 350         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 351         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 352
 353         loadmodel->alias.aliasnum_meshes = 1;
 354         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 355
 356         loadmodel->numskins = LittleLong(pinmodel->numskins);
 357         BOUNDI(loadmodel->numskins,0,256);
 358         skinwidth = LittleLong (pinmodel->skinwidth);
 359         BOUNDI(skinwidth,0,4096);
 360         skinheight = LittleLong (pinmodel->skinheight);
 361         BOUNDI(skinheight,0,4096);
 362         numverts = LittleLong(pinmodel->numverts);
 363         BOUNDI(numverts,0,65536);
 364         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
 365         BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536 / 3); // max elements limit, rather than max triangles limit
 366         loadmodel->numframes = LittleLong(pinmodel->numframes);
 367         BOUNDI(loadmodel->numframes,0,65536);
 368         loadmodel->synctype = LittleLong (pinmodel->synctype);
 369         BOUNDI(loadmodel->synctype,0,2);
 370         loadmodel->flags = LittleLong (pinmodel->flags);
 371
 372         for (i = 0;i < 3;i++)
 373         {
 374                 scale[i] = LittleFloat (pinmodel->scale[i]);
 375                 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
 376         }
 377
 378         startskins = datapointer;
 379         totalskins = 0;
 380         for (i = 0;i < loadmodel->numskins;i++)
 381         {
 382                 pinskintype = (daliasskintype_t *)datapointer;
 383                 datapointer += sizeof(daliasskintype_t);
 384                 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
 385                         groupskins = 1;
 386                 else
 387                 {
 388                         pinskingroup = (daliasskingroup_t *)datapointer;
 389                         datapointer += sizeof(daliasskingroup_t);
 390                         groupskins = LittleLong(pinskingroup->numskins);
 391                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 392                 }
 393
 394                 for (j = 0;j < groupskins;j++)
 395                 {
 396                         datapointer += skinwidth * skinheight;
 397                         totalskins++;
 398                 }
 399         }
 400
 401         pinstverts = (stvert_t *)datapointer;
 402         datapointer += sizeof(stvert_t) * numverts;
 403
 404         pintriangles = (dtriangle_t *)datapointer;
 405         datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
 406
 407         startframes = datapointer;
 408         loadmodel->alias.aliasdata_meshes->num_frames = 0;
 409         for (i = 0;i < loadmodel->numframes;i++)
 410         {
 411                 pinframetype = (daliasframetype_t *)datapointer;
 412                 datapointer += sizeof(daliasframetype_t);
 413                 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
 414                         groupframes = 1;
 415                 else
 416                 {
 417                         pinframegroup = (daliasgroup_t *)datapointer;
 418                         datapointer += sizeof(daliasgroup_t);
 419                         groupframes = LittleLong(pinframegroup->numframes);
 420                         datapointer += sizeof(daliasinterval_t) * groupframes;
 421                 }
 422
 423                 for (j = 0;j < groupframes;j++)
 424                 {
 425                         datapointer += sizeof(daliasframe_t);
 426                         datapointer += sizeof(trivertx_t) * numverts;
 427                         loadmodel->alias.aliasdata_meshes->num_frames++;
 428                 }
 429         }
 430
 431         // store texture coordinates into temporary array, they will be stored
 432         // after usage is determined (triangle data)
 433         vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
 434         vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
 435         vertonseam = vertremap + numverts * 2;
 436
 437         scales = 1.0 / skinwidth;
 438         scalet = 1.0 / skinheight;
 439         for (i = 0;i < numverts;i++)
 440         {
 441                 vertonseam[i] = LittleLong(pinstverts[i].onseam);
 442                 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
 443                 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
 444                 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
 445                 vertst[(i+numverts)*2+1] = vertst[i*2+1];
 446         }
 447
 448 // load triangle data
 449         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
 450
 451         // read the triangle elements
 452         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 453                 for (j = 0;j < 3;j++)
 454                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
 455         // validate (note numverts is used because this is the original data)
 456         Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
 457         // now butcher the elements according to vertonseam and tri->facesfront
 458         // and then compact the vertex set to remove duplicates
 459         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 460                 if (!LittleLong(pintriangles[i].facesfront)) // backface
 461                         for (j = 0;j < 3;j++)
 462                                 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
 463                                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
 464         // count the usage
 465         // (this uses vertremap to count usage to save some memory)
 466         for (i = 0;i < numverts*2;i++)
 467                 vertremap[i] = 0;
 468         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
 469                 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
 470         // build remapping table and compact array
 471         loadmodel->alias.aliasdata_meshes->num_vertices = 0;
 472         for (i = 0;i < numverts*2;i++)
 473         {
 474                 if (vertremap[i])
 475                 {
 476                         vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
 477                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
 478                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
 479                         loadmodel->alias.aliasdata_meshes->num_vertices++;
 480                 }
 481                 else
 482                         vertremap[i] = -1; // not used at all
 483         }
 484         // remap the elements to the new vertex set
 485         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
 486                 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
 487         // store the texture coordinates
 488         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
 489         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
 490         {
 491                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
 492                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
 493         }
 494
 495 // load the frames
 496         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 497         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);
 498         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;
 499         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;
 500         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;
 501         Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
 502         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 503         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 504         Mod_CalcAliasModelBBoxes();
 505
 506         Mem_Free(vertst);
 507         Mem_Free(vertremap);
 508
 509         // load the skins
 510         if ((skinfiles = Mod_LoadSkinFiles()))
 511         {
 512                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
 513                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 514                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 515                 Mod_FreeSkinFiles(skinfiles);
 516                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 517                 for (i = 0;i < loadmodel->numskins;i++)
 518                 {
 519                         loadmodel->skinscenes[i].firstframe = i;
 520                         loadmodel->skinscenes[i].framecount = 1;
 521                         loadmodel->skinscenes[i].loop = true;
 522                         loadmodel->skinscenes[i].framerate = 10;
 523                 }
 524         }
 525         else
 526         {
 527                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
 528                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 529                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
 530                 totalskins = 0;
 531                 datapointer = startskins;
 532                 for (i = 0;i < loadmodel->numskins;i++)
 533                 {
 534                         pinskintype = (daliasskintype_t *)datapointer;
 535                         datapointer += sizeof(daliasskintype_t);
 536
 537                         if (pinskintype->type == ALIAS_SKIN_SINGLE)
 538                         {
 539                                 groupskins = 1;
 540                                 interval = 0.1f;
 541                         }
 542                         else
 543                         {
 544                                 pinskingroup = (daliasskingroup_t *)datapointer;
 545                                 datapointer += sizeof(daliasskingroup_t);
 546
 547                                 groupskins = LittleLong (pinskingroup->numskins);
 548
 549                                 pinskinintervals = (daliasskininterval_t *)datapointer;
 550                                 datapointer += sizeof(daliasskininterval_t) * groupskins;
 551
 552                                 interval = LittleFloat(pinskinintervals[0].interval);
 553                                 if (interval < 0.01f)
 554                                         Host_Error("Mod_IDP0_Load: invalid interval\n");
 555                         }
 556
 557                         sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
 558                         loadmodel->skinscenes[i].firstframe = totalskins;
 559                         loadmodel->skinscenes[i].framecount = groupskins;
 560                         loadmodel->skinscenes[i].framerate = 1.0f / interval;
 561                         loadmodel->skinscenes[i].loop = true;
 562
 563                         for (j = 0;j < groupskins;j++)
 564                         {
 565                                 if (groupskins > 1)
 566                                         sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
 567                                 else
 568                                         sprintf (name, "%s_%i", loadmodel->name, i);
 569                                 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
 570                                         Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true, (qbyte *)datapointer, skinwidth, skinheight);
 571                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 572                                 datapointer += skinwidth * skinheight;
 573                                 totalskins++;
 574                         }
 575                 }
 576                 // check for skins that don't exist in the model, but do exist as external images
 577                 // (this was added because yummyluv kept pestering me about support for it)
 578                 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
 579                 {
 580                         // expand the arrays to make room
 581                         tempskinscenes = loadmodel->skinscenes;
 582                         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
 583                         memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
 584                         Mem_Free(tempskinscenes);
 585
 586                         tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
 587                         loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(aliasskin_t));
 588                         memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(aliasskin_t));
 589                         Mem_Free(tempaliasskins);
 590
 591                         // store the info about the new skin
 592                         Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 593                         strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
 594                         loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
 595                         loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
 596                         loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
 597                         loadmodel->skinscenes[loadmodel->numskins].loop = true;
 598
 599                         //increase skin counts
 600                         loadmodel->alias.aliasdata_meshes->num_skins++;
 601                         loadmodel->numskins++;
 602                         totalskins++;
 603                 }
 604         }
 605 }
 606
 607 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
 608 {
 609         int i;
 610         trivertx_t *in;
 611         for (i = 0;i < numverts;i++, out3f += 3)
 612         {
 613                 in = v + vertremap[i];
 614                 out3f[0] = in->v[0] * scale[0] + translate[0];
 615                 out3f[1] = in->v[1] * scale[1] + translate[1];
 616                 out3f[2] = in->v[2] * scale[2] + translate[2];
 617         }
 618 }
 619
 620 void Mod_IDP2_Load(model_t *mod, void *buffer)
 621 {
 622         int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
 623         float *stverts, s, t, scale[3], translate[3];
 624         md2_t *pinmodel;
 625         qbyte *base, *datapointer;
 626         md2frame_t *pinframe;
 627         char *inskin;
 628         md2triangle_t *intri;
 629         unsigned short *inst;
 630         struct md2verthash_s
 631         {
 632                 struct md2verthash_s *next;
 633                 int xyz;
 634                 float st[2];
 635         }
 636         *hash, **md2verthash, *md2verthashdata;
 637         skinframe_t tempskinframe;
 638         skinfile_t *skinfiles;
 639
 640         pinmodel = buffer;
 641         base = buffer;
 642
 643         version = LittleLong (pinmodel->version);
 644         if (version != MD2ALIAS_VERSION)
 645                 Host_Error ("%s has wrong version number (%i should be %i)",
 646                         loadmodel->name, version, MD2ALIAS_VERSION);
 647
 648         loadmodel->type = mod_alias;
 649         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 650         loadmodel->DrawSky = NULL;
 651         loadmodel->Draw = R_Model_Alias_Draw;
 652         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 653         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 654         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 655
 656         if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > (65536 / 3))
 657                 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
 658         if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
 659                 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
 660         if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
 661                 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
 662         if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
 663                 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
 664
 665         end = LittleLong(pinmodel->ofs_end);
 666         if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
 667                 Host_Error ("%s is not a valid model", loadmodel->name);
 668         if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
 669                 Host_Error ("%s is not a valid model", loadmodel->name);
 670         if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
 671                 Host_Error ("%s is not a valid model", loadmodel->name);
 672         if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
 673                 Host_Error ("%s is not a valid model", loadmodel->name);
 674         if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
 675                 Host_Error ("%s is not a valid model", loadmodel->name);
 676
 677         loadmodel->alias.aliasnum_meshes = 1;
 678         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 679
 680         loadmodel->numskins = LittleLong(pinmodel->num_skins);
 681         numxyz = LittleLong(pinmodel->num_xyz);
 682         numst = LittleLong(pinmodel->num_st);
 683         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
 684         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 685         loadmodel->alias.aliasdata_meshes->num_frames = loadmodel->numframes;
 686         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 687
 688         loadmodel->flags = 0; // there are no MD2 flags
 689         loadmodel->synctype = ST_RAND;
 690
 691         // load the skins
 692         inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
 693         if ((skinfiles = Mod_LoadSkinFiles()))
 694         {
 695                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 696                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 697                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 698                 Mod_FreeSkinFiles(skinfiles);
 699         }
 700         else if (loadmodel->numskins)
 701         {
 702                 // skins found (most likely not a player model)
 703                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 704                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 705                 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
 706                 {
 707                         if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 708                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
 709                         else
 710                         {
 711                                 Con_Printf("Mod_IDP2_Load: missing skin \"%s\"\n", inskin);
 712                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
 713                         }
 714                 }
 715         }
 716         else
 717         {
 718                 // no skins (most likely a player model)
 719                 loadmodel->numskins = 1;
 720                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 721                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 722                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
 723         }
 724
 725         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 726         for (i = 0;i < loadmodel->numskins;i++)
 727         {
 728                 loadmodel->skinscenes[i].firstframe = i;
 729                 loadmodel->skinscenes[i].framecount = 1;
 730                 loadmodel->skinscenes[i].loop = true;
 731                 loadmodel->skinscenes[i].framerate = 10;
 732         }
 733
 734         // load the triangles and stvert data
 735         inst = (void*)(base + LittleLong(pinmodel->ofs_st));
 736         intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
 737         skinwidth = LittleLong(pinmodel->skinwidth);
 738         skinheight = LittleLong(pinmodel->skinheight);
 739
 740         stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
 741         s = 1.0f / skinwidth;
 742         t = 1.0f / skinheight;
 743         for (i = 0;i < numst;i++)
 744         {
 745                 j = (unsigned short) LittleShort(inst[i*2+0]);
 746                 k = (unsigned short) LittleShort(inst[i*2+1]);
 747                 if (j >= skinwidth || k >= skinheight)
 748                 {
 749                         Mem_Free(stverts);
 750                         Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
 751                 }
 752                 stverts[i*2+0] = j * s;
 753                 stverts[i*2+1] = k * t;
 754         }
 755
 756         md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
 757         md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
 758         // swap the triangle list
 759         num = 0;
 760         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 761         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 762         {
 763                 for (j = 0;j < 3;j++)
 764                 {
 765                         xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
 766                         st = (unsigned short) LittleShort (intri[i].index_st[j]);
 767                         if (xyz >= numxyz || st >= numst)
 768                         {
 769                                 Mem_Free(md2verthash);
 770                                 Mem_Free(md2verthashdata);
 771                                 Mem_Free(stverts);
 772                                 if (xyz >= numxyz)
 773                                         Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
 774                                 if (st >= numst)
 775                                         Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
 776                         }
 777                         s = stverts[st*2+0];
 778                         t = stverts[st*2+1];
 779                         hashindex = (xyz * 17 + st) & 255;
 780                         for (hash = md2verthash[hashindex];hash;hash = hash->next)
 781                                 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
 782                                         break;
 783                         if (hash == NULL)
 784                         {
 785                                 hash = md2verthashdata + num++;
 786                                 hash->xyz = xyz;
 787                                 hash->st[0] = s;
 788                                 hash->st[1] = t;
 789                                 hash->next = md2verthash[hashindex];
 790                                 md2verthash[hashindex] = hash;
 791                         }
 792                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
 793                 }
 794         }
 795
 796         Mem_Free(stverts);
 797
 798         numverts = num;
 799         loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
 800         vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
 801         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
 802         for (i = 0;i < num;i++)
 803         {
 804                 hash = md2verthashdata + i;
 805                 vertremap[i] = hash->xyz;
 806                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
 807                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
 808         }
 809
 810         Mem_Free(md2verthash);
 811         Mem_Free(md2verthashdata);
 812
 813         // load the frames
 814         datapointer = (base + LittleLong(pinmodel->ofs_frames));
 815         loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_frames * sizeof(float[4][3]));
 816         loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 1;
 817         loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 2;
 818         loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 3;
 819         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_frames;i++)
 820         {
 821                 pinframe = (md2frame_t *)datapointer;
 822                 datapointer += sizeof(md2frame_t);
 823                 for (j = 0;j < 3;j++)
 824                 {
 825                         scale[j] = LittleFloat(pinframe->scale[j]);
 826                         translate[j] = LittleFloat(pinframe->translate[j]);
 827                 }
 828                 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * numverts * 3, numverts, vertremap);
 829                 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);
 830                 datapointer += numxyz * sizeof(trivertx_t);
 831
 832                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 833                 loadmodel->animscenes[i].firstframe = i;
 834                 loadmodel->animscenes[i].framecount = 1;
 835                 loadmodel->animscenes[i].framerate = 10;
 836                 loadmodel->animscenes[i].loop = true;
 837         }
 838
 839         Mem_Free(vertremap);
 840
 841         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 842         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 843         Mod_CalcAliasModelBBoxes();
 844 }
 845
 846 void Mod_IDP3_Load(model_t *mod, void *buffer)
 847 {
 848         int i, j, k, version;
 849         md3modelheader_t *pinmodel;
 850         md3frameinfo_t *pinframe;
 851         md3mesh_t *pinmesh;
 852         md3tag_t *pintag;
 853         aliasmesh_t *mesh;
 854         skinfile_t *skinfiles;
 855
 856         pinmodel = buffer;
 857
 858         if (memcmp(pinmodel->identifier, "IDP3", 4))
 859                 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
 860         version = LittleLong (pinmodel->version);
 861         if (version != MD3VERSION)
 862                 Host_Error ("%s has wrong version number (%i should be %i)",
 863                         loadmodel->name, version, MD3VERSION);
 864
 865         skinfiles = Mod_LoadSkinFiles();
 866         if (loadmodel->numskins < 1)
 867                 loadmodel->numskins = 1;
 868
 869         loadmodel->type = mod_alias;
 870         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 871         loadmodel->DrawSky = NULL;
 872         loadmodel->Draw = R_Model_Alias_Draw;
 873         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 874         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 875         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 876         loadmodel->flags = LittleLong(pinmodel->flags);
 877         loadmodel->synctype = ST_RAND;
 878
 879         // set up some global info about the model
 880         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 881         loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
 882
 883         // make skinscenes for the skins (no groups)
 884         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 885         for (i = 0;i < loadmodel->numskins;i++)
 886         {
 887                 loadmodel->skinscenes[i].firstframe = i;
 888                 loadmodel->skinscenes[i].framecount = 1;
 889                 loadmodel->skinscenes[i].loop = true;
 890                 loadmodel->skinscenes[i].framerate = 10;
 891         }
 892
 893         // load frameinfo
 894         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 895         for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
 896         {
 897                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 898                 loadmodel->animscenes[i].firstframe = i;
 899                 loadmodel->animscenes[i].framecount = 1;
 900                 loadmodel->animscenes[i].framerate = 10;
 901                 loadmodel->animscenes[i].loop = true;
 902         }
 903
 904         // load tags
 905         loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
 906         loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
 907         loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
 908         for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
 909         {
 910                 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
 911                 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
 912                 for (j = 0;j < 3;j++)
 913                 {
 914                         for (k = 0;k < 3;k++)
 915                                 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
 916                         loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
 917                 }
 918                 //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);
 919         }
 920
 921         // load meshes
 922         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
 923         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)))
 924         {
 925                 if (memcmp(pinmesh->identifier, "IDP3", 4))
 926                         Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
 927                 mesh = loadmodel->alias.aliasdata_meshes + i;
 928                 mesh->num_skins = loadmodel->numskins;
 929                 mesh->num_frames = LittleLong(pinmesh->num_frames);
 930                 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
 931                 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
 932                 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
 933                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 934                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 935                 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
 936                 mesh->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(float[4][3]));
 937                 mesh->data_aliassvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 1;
 938                 mesh->data_aliastvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 2;
 939                 mesh->data_aliasnormal3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 3;
 940                 for (j = 0;j < mesh->num_triangles * 3;j++)
 941                         mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
 942                 for (j = 0;j < mesh->num_vertices;j++)
 943                 {
 944                         mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
 945                         mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
 946                 }
 947                 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
 948                 {
 949                         mesh->data_aliasvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
 950                         mesh->data_aliasvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
 951                         mesh->data_aliasvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
 952                 }
 953                 for (j = 0;j < mesh->num_frames;j++)
 954                         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);
 955
 956                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
 957                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
 958
 959                 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
 960                         Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name);
 961                 else
 962                         for (j = 0;j < mesh->num_skins;j++)
 963                                 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
 964         }
 965         Mod_CalcAliasModelBBoxes();
 966         Mod_FreeSkinFiles(skinfiles);
 967 }
 968
 969 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
 970 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
 971 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
 972 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);
 973 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
 974 {
 975         zymtype1header_t *pinmodel, *pheader;
 976         qbyte *pbase;
 977
 978         pinmodel = (void *)buffer;
 979         pbase = buffer;
 980         if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
 981                 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
 982         if (BigLong(pinmodel->type) != 1)
 983                 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
 984
 985         loadmodel->type = mod_alias;
 986         loadmodel->alias.aliastype = ALIASTYPE_ZYM;
 987         loadmodel->DrawSky = NULL;
 988         loadmodel->Draw = R_Model_Zymotic_Draw;
 989         loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
 990         loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
 991
 992         // byteswap header
 993         pheader = pinmodel;
 994         pheader->type = BigLong(pinmodel->type);
 995         pheader->filesize = BigLong(pinmodel->filesize);
 996         pheader->mins[0] = BigFloat(pinmodel->mins[0]);
 997         pheader->mins[1] = BigFloat(pinmodel->mins[1]);
 998         pheader->mins[2] = BigFloat(pinmodel->mins[2]);
 999         pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1000         pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1001         pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1002         pheader->radius = BigFloat(pinmodel->radius);
1003         pheader->numverts = loadmodel->alias.zymnum_verts = BigLong(pinmodel->numverts);
1004         pheader->numtris = loadmodel->alias.zymnum_tris = BigLong(pinmodel->numtris);
1005         pheader->numshaders = loadmodel->alias.zymnum_shaders = BigLong(pinmodel->numshaders);
1006         pheader->numbones = loadmodel->alias.zymnum_bones = BigLong(pinmodel->numbones);
1007         pheader->numscenes = loadmodel->alias.zymnum_scenes = BigLong(pinmodel->numscenes);
1008         pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1009         pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1010         pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1011         pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1012         pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1013         pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1014         pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1015         pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1016         pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1017         pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1018         pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1019         pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1020         pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1021         pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1022         pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1023         pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1024         pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1025         pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1026
1027         loadmodel->flags = 0; // there are no flags
1028         loadmodel->numframes = pheader->numscenes;
1029         loadmodel->synctype = ST_SYNC;
1030         //loadmodel->num_triangles = pheader->num_triangles;
1031         //loadmodel->num_vertices = 0;
1032
1033         {
1034                 unsigned int i;
1035                 float modelradius, corner[2];
1036                 // model bbox
1037                 modelradius = pheader->radius;
1038                 for (i = 0;i < 3;i++)
1039                 {
1040                         loadmodel->normalmins[i] = pheader->mins[i];
1041                         loadmodel->normalmaxs[i] = pheader->maxs[i];
1042                         loadmodel->rotatedmins[i] = -modelradius;
1043                         loadmodel->rotatedmaxs[i] = modelradius;
1044                 }
1045                 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1046                 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1047                 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1048                 if (loadmodel->yawmaxs[0] > modelradius)
1049                         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1050                 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1051                 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1052                 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1053                 loadmodel->radius = modelradius;
1054                 loadmodel->radius2 = modelradius * modelradius;
1055         }
1056
1057         {
1058                 // FIXME: add shaders, and make them switchable shader sets and...
1059                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t));
1060                 loadmodel->skinscenes[0].firstframe = 0;
1061                 loadmodel->skinscenes[0].framecount = 1;
1062                 loadmodel->skinscenes[0].loop = true;
1063                 loadmodel->skinscenes[0].framerate = 10;
1064                 loadmodel->numskins = 1;
1065         }
1066
1067         // go through the lumps, swapping things
1068
1069         {
1070                 int i, numposes;
1071                 zymscene_t *scene;
1072         //      zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1073                 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1074                 scene = (void *) (pheader->lump_scenes.start + pbase);
1075                 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1076                 for (i = 0;i < pheader->numscenes;i++)
1077                 {
1078                         memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1079                         loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1080                         loadmodel->animscenes[i].framecount = BigLong(scene->length);
1081                         loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1082                         loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1083                         if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1084                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1085                         if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1086                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1087                         if (loadmodel->animscenes[i].framerate < 0)
1088                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1089                         scene++;
1090                 }
1091         }
1092
1093         {
1094                 int i;
1095                 float *poses;
1096         //      zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1097                 loadmodel->alias.zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1098                 poses = (void *) (pheader->lump_poses.start + pbase);
1099                 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1100                         loadmodel->alias.zymdata_poses[i] = BigFloat(poses[i]);
1101         }
1102
1103         {
1104                 int i;
1105                 zymbone_t *bone;
1106         //      zymlump_t lump_bones; // zymbone_t bone[numbones];
1107                 loadmodel->alias.zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1108                 bone = (void *) (pheader->lump_bones.start + pbase);
1109                 for (i = 0;i < pheader->numbones;i++)
1110                 {
1111                         memcpy(loadmodel->alias.zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1112                         loadmodel->alias.zymdata_bones[i].flags = BigLong(bone[i].flags);
1113                         loadmodel->alias.zymdata_bones[i].parent = BigLong(bone[i].parent);
1114                         if (loadmodel->alias.zymdata_bones[i].parent >= i)
1115                                 Host_Error("Mod_ZYMOTICMODEL_Load: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1116                 }
1117         }
1118
1119         {
1120                 int i, *bonecount;
1121         //      zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1122                 loadmodel->alias.zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1123                 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1124                 for (i = 0;i < pheader->numverts;i++)
1125                 {
1126                         loadmodel->alias.zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1127                         if (loadmodel->alias.zymdata_vertbonecounts[i] < 1)
1128                                 Host_Error("Mod_ZYMOTICMODEL_Load: bone vertex count < 1 in %s\n", loadmodel->name);
1129                 }
1130         }
1131
1132         {
1133                 int i;
1134                 zymvertex_t *vertdata;
1135         //      zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1136                 loadmodel->alias.zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1137                 vertdata = (void *) (pheader->lump_verts.start + pbase);
1138                 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1139                 {
1140                         loadmodel->alias.zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1141                         loadmodel->alias.zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1142                         loadmodel->alias.zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1143                         loadmodel->alias.zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1144                 }
1145         }
1146
1147         {
1148                 int i;
1149                 float *intexcoord2f, *outtexcoord2f;
1150         //      zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1151                 loadmodel->alias.zymdata_texcoords = outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1152                 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1153                 for (i = 0;i < pheader->numverts;i++)
1154                 {
1155                         outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1156                         // flip T coordinate for OpenGL
1157                         outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1158                 }
1159         }
1160
1161         {
1162                 int i, count, *renderlist, *renderlistend, *outrenderlist;
1163         //      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)
1164                 loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1165                 // byteswap, validate, and swap winding order of tris
1166                 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1167                 if (pheader->lump_render.length != count)
1168                         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);
1169                 outrenderlist = loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1170                 renderlist = (void *) (pheader->lump_render.start + pbase);
1171                 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1172                 for (i = 0;i < pheader->numshaders;i++)
1173                 {
1174                         if (renderlist >= renderlistend)
1175                                 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1176                         count = BigLong(*renderlist);renderlist++;
1177                         if (renderlist + count * 3 > renderlistend)
1178                                 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1179                         *outrenderlist++ = count;
1180                         while (count--)
1181                         {
1182                                 outrenderlist[2] = BigLong(renderlist[0]);
1183                                 outrenderlist[1] = BigLong(renderlist[1]);
1184                                 outrenderlist[0] = BigLong(renderlist[2]);
1185                                 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1186                                  || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1187                                  || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1188                                         Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1189                                 renderlist += 3;
1190                                 outrenderlist += 3;
1191                         }
1192                 }
1193         }
1194
1195         {
1196                 int i;
1197                 char *shadername;
1198         //      zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1199                 loadmodel->alias.zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1200                 shadername = (void *) (pheader->lump_shaders.start + pbase);
1201                 for (i = 0;i < pheader->numshaders;i++)
1202                         loadmodel->alias.zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1203         }
1204
1205         {
1206         //      zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1207                 loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1208                 memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1209         }
1210 }
1211