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_morphframes)
  52                                 framenum = 0;
  53                         if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
  54                                 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_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
  55                         //else
  56                                 // FIXME!!!  this needs to handle skeletal!
  57                 }
  58         }
  59         else
  60         {
  61                 // box trace, performed as brush trace
  62                 Matrix4x4_CreateIdentity(&startmatrix);
  63                 Matrix4x4_CreateIdentity(&endmatrix);
  64                 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
  65                 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
  66                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
  67                 {
  68                         framenum = frame;
  69                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
  70                                 framenum = 0;
  71                         if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
  72                                 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_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
  73                         //else
  74                                 // FIXME!!!  this needs to handle skeletal!
  75                 }
  76         }
  77 }
  78
  79 static void Mod_CalcAliasModelBBoxes (void)
  80 {
  81         int vnum, meshnum;
  82         float dist, yawradius, radius;
  83         aliasmesh_t *mesh;
  84         float *v;
  85         VectorClear(loadmodel->normalmins);
  86         VectorClear(loadmodel->normalmaxs);
  87         yawradius = 0;
  88         radius = 0;
  89         for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
  90         {
  91                 for (vnum = 0, v = mesh->data_morphvertex3f;vnum < mesh->num_vertices * mesh->num_morphframes;vnum++, v += 3)
  92                 {
  93                         if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
  94                         if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
  95                         if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
  96                         if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
  97                         if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
  98                         if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
  99                         dist = v[0] * v[0] + v[1] * v[1];
 100                         if (yawradius < dist)
 101                                 yawradius = dist;
 102                         dist += v[2] * v[2];
 103                         if (radius < dist)
 104                                 radius = dist;
 105                 }
 106         }
 107         radius = sqrt(radius);
 108         yawradius = sqrt(yawradius);
 109         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
 110         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
 111         loadmodel->yawmins[2] = loadmodel->normalmins[2];
 112         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 113         loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
 114         loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
 115         loadmodel->radius = radius;
 116         loadmodel->radius2 = radius * radius;
 117 }
 118
 119 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
 120 {
 121         int i, j;
 122         vec3_t temp;
 123         for (i = 0;i < inverts;i++)
 124         {
 125                 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
 126                         continue;
 127                 temp[0] = v[i].v[0] * scale[0] + translate[0];
 128                 temp[1] = v[i].v[1] * scale[1] + translate[1];
 129                 temp[2] = v[i].v[2] * scale[2] + translate[2];
 130                 j = vertremap[i]; // not onseam
 131                 if (j >= 0)
 132                         VectorCopy(temp, out3f + j * 3);
 133                 j = vertremap[i+inverts]; // onseam
 134                 if (j >= 0)
 135                         VectorCopy(temp, out3f + j * 3);
 136         }
 137 }
 138
 139 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
 140 {
 141         int i, f, pose, groupframes;
 142         float interval;
 143         daliasframetype_t *pframetype;
 144         daliasframe_t *pinframe;
 145         daliasgroup_t *group;
 146         daliasinterval_t *intervals;
 147         animscene_t *scene;
 148         pose = 0;
 149         scene = loadmodel->animscenes;
 150         for (f = 0;f < loadmodel->numframes;f++)
 151         {
 152                 pframetype = (daliasframetype_t *)datapointer;
 153                 datapointer += sizeof(daliasframetype_t);
 154                 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
 155                 {
 156                         // a single frame is still treated as a group
 157                         interval = 0.1f;
 158                         groupframes = 1;
 159                 }
 160                 else
 161                 {
 162                         // read group header
 163                         group = (daliasgroup_t *)datapointer;
 164                         datapointer += sizeof(daliasgroup_t);
 165                         groupframes = LittleLong (group->numframes);
 166
 167                         // intervals (time per frame)
 168                         intervals = (daliasinterval_t *)datapointer;
 169                         datapointer += sizeof(daliasinterval_t) * groupframes;
 170
 171                         interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
 172                         if (interval < 0.01f)
 173                         {
 174                                 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
 175                                 interval = 0.1f;
 176                         }
 177                 }
 178
 179                 // get scene name from first frame
 180                 pinframe = (daliasframe_t *)datapointer;
 181
 182                 strcpy(scene->name, pinframe->name);
 183                 scene->firstframe = pose;
 184                 scene->framecount = groupframes;
 185                 scene->framerate = 1.0f / interval;
 186                 scene->loop = true;
 187                 scene++;
 188
 189                 // read frames
 190                 for (i = 0;i < groupframes;i++)
 191                 {
 192                         pinframe = (daliasframe_t *)datapointer;
 193                         datapointer += sizeof(daliasframe_t);
 194                         Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_morphvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
 195                         datapointer += sizeof(trivertx_t) * inverts;
 196                         pose++;
 197                 }
 198         }
 199 }
 200
 201 static skinframe_t missingskinframe;
 202 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
 203 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
 204 {
 205         aliaslayer_t *layer;
 206
 207         // hack
 208         if (skinframe == NULL)
 209         {
 210                 skinframe = &missingskinframe;
 211                 memset(skinframe, 0, sizeof(*skinframe));
 212                 skinframe->base = r_notexture;
 213         }
 214
 215         memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
 216         layer = mod_alias_layersbuffer;
 217         layer->flags = ALIASLAYER_SPECULAR;
 218         layer->texture = skinframe->gloss;
 219         layer->nmap = skinframe->nmap;
 220         layer++;
 221         if (skinframe->merged != NULL)
 222         {
 223                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
 224                 layer->texture = skinframe->merged;
 225                 layer->nmap = skinframe->nmap;
 226                 layer++;
 227         }
 228         if (skinframe->base != NULL)
 229         {
 230                 layer->flags = ALIASLAYER_DIFFUSE;
 231                 if (skinframe->merged != NULL)
 232                         layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
 233                 layer->texture = skinframe->base;
 234                 layer->nmap = skinframe->nmap;
 235                 layer++;
 236         }
 237         if (skinframe->pants != NULL)
 238         {
 239                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
 240                 layer->texture = skinframe->pants;
 241                 layer->nmap = skinframe->nmap;
 242                 layer++;
 243         }
 244         if (skinframe->shirt != NULL)
 245         {
 246                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
 247                 layer->texture = skinframe->shirt;
 248                 layer->nmap = skinframe->nmap;
 249                 layer++;
 250         }
 251
 252         if (skinframe->glow != NULL)
 253         {
 254                 layer->flags = 0;
 255                 layer->texture = skinframe->glow;
 256                 layer++;
 257         }
 258
 259         layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
 260         layer->texture = skinframe->fog;
 261         layer++;
 262
 263         skin->flags = 0;
 264         // fog texture only exists if some pixels are transparent...
 265         if (skinframe->fog != NULL)
 266                 skin->flags |= ALIASSKIN_TRANSPARENT;
 267
 268         skin->num_layers = layer - mod_alias_layersbuffer;
 269         skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
 270         memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
 271 }
 272
 273 void Mod_BuildAliasSkinsFromSkinFiles(aliasskin_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
 274 {
 275         int i;
 276         skinfileitem_t *skinfileitem;
 277         skinframe_t tempskinframe;
 278         if (skinfile)
 279         {
 280                 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
 281                 {
 282                         memset(skin, 0, sizeof(*skin));
 283                         for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
 284                         {
 285                                 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
 286                                 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
 287                                 {
 288                                         memset(&tempskinframe, 0, sizeof(tempskinframe));
 289                                         if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 290                                                 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 291                                         else
 292                                         {
 293                                                 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);
 294                                                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 295                                                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 296                                                 else
 297                                                 {
 298                                                         Con_Printf("failed to load skin \"%s\"\n", shadername);
 299                                                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 300                                                 }
 301                                         }
 302                                 }
 303                         }
 304                 }
 305         }
 306         else
 307         {
 308                 memset(&tempskinframe, 0, sizeof(tempskinframe));
 309                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 310                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 311                 else
 312                 {
 313                         Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
 314                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 315                 }
 316         }
 317 }
 318
 319 #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);
 320 #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);
 321 extern void R_Model_Alias_Draw(entity_render_t *ent);
 322 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist);
 323 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);
 324 void Mod_IDP0_Load(model_t *mod, void *buffer)
 325 {
 326         int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
 327         float scales, scalet, scale[3], translate[3], interval;
 328         mdl_t *pinmodel;
 329         stvert_t *pinstverts;
 330         dtriangle_t *pintriangles;
 331         daliasskintype_t *pinskintype;
 332         daliasskingroup_t *pinskingroup;
 333         daliasskininterval_t *pinskinintervals;
 334         daliasframetype_t *pinframetype;
 335         daliasgroup_t *pinframegroup;
 336         qbyte *datapointer, *startframes, *startskins;
 337         char name[MAX_QPATH];
 338         skinframe_t tempskinframe;
 339         animscene_t *tempskinscenes;
 340         aliasskin_t *tempaliasskins;
 341         float *vertst;
 342         int *vertonseam, *vertremap;
 343         skinfile_t *skinfiles;
 344
 345         datapointer = buffer;
 346         pinmodel = (mdl_t *)datapointer;
 347         datapointer += sizeof(mdl_t);
 348
 349         version = LittleLong (pinmodel->version);
 350         if (version != ALIAS_VERSION)
 351                 Host_Error ("%s has wrong version number (%i should be %i)",
 352                                  loadmodel->name, version, ALIAS_VERSION);
 353
 354         loadmodel->type = mod_alias;
 355         loadmodel->DrawSky = NULL;
 356         loadmodel->Draw = R_Model_Alias_Draw;
 357         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 358         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 359         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 360
 361         loadmodel->alias.aliasnum_meshes = 1;
 362         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 363
 364         loadmodel->numskins = LittleLong(pinmodel->numskins);
 365         BOUNDI(loadmodel->numskins,0,65536);
 366         skinwidth = LittleLong (pinmodel->skinwidth);
 367         BOUNDI(skinwidth,0,65536);
 368         skinheight = LittleLong (pinmodel->skinheight);
 369         BOUNDI(skinheight,0,65536);
 370         numverts = LittleLong(pinmodel->numverts);
 371         BOUNDI(numverts,0,65536);
 372         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
 373         BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536);
 374         loadmodel->numframes = LittleLong(pinmodel->numframes);
 375         BOUNDI(loadmodel->numframes,0,65536);
 376         loadmodel->synctype = LittleLong (pinmodel->synctype);
 377         BOUNDI(loadmodel->synctype,0,2);
 378         loadmodel->flags = LittleLong (pinmodel->flags);
 379
 380         for (i = 0;i < 3;i++)
 381         {
 382                 scale[i] = LittleFloat (pinmodel->scale[i]);
 383                 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
 384         }
 385
 386         startskins = datapointer;
 387         totalskins = 0;
 388         for (i = 0;i < loadmodel->numskins;i++)
 389         {
 390                 pinskintype = (daliasskintype_t *)datapointer;
 391                 datapointer += sizeof(daliasskintype_t);
 392                 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
 393                         groupskins = 1;
 394                 else
 395                 {
 396                         pinskingroup = (daliasskingroup_t *)datapointer;
 397                         datapointer += sizeof(daliasskingroup_t);
 398                         groupskins = LittleLong(pinskingroup->numskins);
 399                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 400                 }
 401
 402                 for (j = 0;j < groupskins;j++)
 403                 {
 404                         datapointer += skinwidth * skinheight;
 405                         totalskins++;
 406                 }
 407         }
 408
 409         pinstverts = (stvert_t *)datapointer;
 410         datapointer += sizeof(stvert_t) * numverts;
 411
 412         pintriangles = (dtriangle_t *)datapointer;
 413         datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
 414
 415         startframes = datapointer;
 416         loadmodel->alias.aliasdata_meshes->num_morphframes = 0;
 417         for (i = 0;i < loadmodel->numframes;i++)
 418         {
 419                 pinframetype = (daliasframetype_t *)datapointer;
 420                 datapointer += sizeof(daliasframetype_t);
 421                 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
 422                         groupframes = 1;
 423                 else
 424                 {
 425                         pinframegroup = (daliasgroup_t *)datapointer;
 426                         datapointer += sizeof(daliasgroup_t);
 427                         groupframes = LittleLong(pinframegroup->numframes);
 428                         datapointer += sizeof(daliasinterval_t) * groupframes;
 429                 }
 430
 431                 for (j = 0;j < groupframes;j++)
 432                 {
 433                         datapointer += sizeof(daliasframe_t);
 434                         datapointer += sizeof(trivertx_t) * numverts;
 435                         loadmodel->alias.aliasdata_meshes->num_morphframes++;
 436                 }
 437         }
 438
 439         // store texture coordinates into temporary array, they will be stored
 440         // after usage is determined (triangle data)
 441         vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
 442         vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
 443         vertonseam = vertremap + numverts * 2;
 444
 445         scales = 1.0 / skinwidth;
 446         scalet = 1.0 / skinheight;
 447         for (i = 0;i < numverts;i++)
 448         {
 449                 vertonseam[i] = LittleLong(pinstverts[i].onseam);
 450                 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
 451                 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
 452                 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
 453                 vertst[(i+numverts)*2+1] = vertst[i*2+1];
 454         }
 455
 456 // load triangle data
 457         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
 458
 459         // read the triangle elements
 460         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 461                 for (j = 0;j < 3;j++)
 462                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
 463         // validate (note numverts is used because this is the original data)
 464         Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
 465         // now butcher the elements according to vertonseam and tri->facesfront
 466         // and then compact the vertex set to remove duplicates
 467         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 468                 if (!LittleLong(pintriangles[i].facesfront)) // backface
 469                         for (j = 0;j < 3;j++)
 470                                 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
 471                                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
 472         // count the usage
 473         // (this uses vertremap to count usage to save some memory)
 474         for (i = 0;i < numverts*2;i++)
 475                 vertremap[i] = 0;
 476         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
 477                 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
 478         // build remapping table and compact array
 479         loadmodel->alias.aliasdata_meshes->num_vertices = 0;
 480         for (i = 0;i < numverts*2;i++)
 481         {
 482                 if (vertremap[i])
 483                 {
 484                         vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
 485                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
 486                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
 487                         loadmodel->alias.aliasdata_meshes->num_vertices++;
 488                 }
 489                 else
 490                         vertremap[i] = -1; // not used at all
 491         }
 492         // remap the elements to the new vertex set
 493         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
 494                 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
 495         // store the texture coordinates
 496         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
 497         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
 498         {
 499                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
 500                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
 501         }
 502
 503 // load the frames
 504         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 505         loadmodel->alias.aliasdata_meshes->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * loadmodel->alias.aliasdata_meshes->num_morphframes * loadmodel->alias.aliasdata_meshes->num_vertices);
 506         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 507         Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
 508         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 509         Mod_CalcAliasModelBBoxes();
 510
 511         Mem_Free(vertst);
 512         Mem_Free(vertremap);
 513
 514         // load the skins
 515         if ((skinfiles = Mod_LoadSkinFiles()))
 516         {
 517                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
 518                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 519                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 520                 Mod_FreeSkinFiles(skinfiles);
 521                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 522                 for (i = 0;i < loadmodel->numskins;i++)
 523                 {
 524                         loadmodel->skinscenes[i].firstframe = i;
 525                         loadmodel->skinscenes[i].framecount = 1;
 526                         loadmodel->skinscenes[i].loop = true;
 527                         loadmodel->skinscenes[i].framerate = 10;
 528                 }
 529         }
 530         else
 531         {
 532                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
 533                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 534                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
 535                 totalskins = 0;
 536                 datapointer = startskins;
 537                 for (i = 0;i < loadmodel->numskins;i++)
 538                 {
 539                         pinskintype = (daliasskintype_t *)datapointer;
 540                         datapointer += sizeof(daliasskintype_t);
 541
 542                         if (pinskintype->type == ALIAS_SKIN_SINGLE)
 543                         {
 544                                 groupskins = 1;
 545                                 interval = 0.1f;
 546                         }
 547                         else
 548                         {
 549                                 pinskingroup = (daliasskingroup_t *)datapointer;
 550                                 datapointer += sizeof(daliasskingroup_t);
 551
 552                                 groupskins = LittleLong (pinskingroup->numskins);
 553
 554                                 pinskinintervals = (daliasskininterval_t *)datapointer;
 555                                 datapointer += sizeof(daliasskininterval_t) * groupskins;
 556
 557                                 interval = LittleFloat(pinskinintervals[0].interval);
 558                                 if (interval < 0.01f)
 559                                 {
 560                                         Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
 561                                         interval = 0.1f;
 562                                 }
 563                         }
 564
 565                         sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
 566                         loadmodel->skinscenes[i].firstframe = totalskins;
 567                         loadmodel->skinscenes[i].framecount = groupskins;
 568                         loadmodel->skinscenes[i].framerate = 1.0f / interval;
 569                         loadmodel->skinscenes[i].loop = true;
 570
 571                         for (j = 0;j < groupskins;j++)
 572                         {
 573                                 if (groupskins > 1)
 574                                         sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
 575                                 else
 576                                         sprintf (name, "%s_%i", loadmodel->name, i);
 577                                 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
 578                                         Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, r_fullbrights.integer, (qbyte *)datapointer, skinwidth, skinheight);
 579                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 580                                 datapointer += skinwidth * skinheight;
 581                                 totalskins++;
 582                         }
 583                 }
 584                 // check for skins that don't exist in the model, but do exist as external images
 585                 // (this was added because yummyluv kept pestering me about support for it)
 586                 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
 587                 {
 588                         // expand the arrays to make room
 589                         tempskinscenes = loadmodel->skinscenes;
 590                         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
 591                         memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
 592                         Mem_Free(tempskinscenes);
 593
 594                         tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
 595                         loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(aliasskin_t));
 596                         memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(aliasskin_t));
 597                         Mem_Free(tempaliasskins);
 598
 599                         // store the info about the new skin
 600                         Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 601                         strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
 602                         loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
 603                         loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
 604                         loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
 605                         loadmodel->skinscenes[loadmodel->numskins].loop = true;
 606
 607                         //increase skin counts
 608                         loadmodel->alias.aliasdata_meshes->num_skins++;
 609                         loadmodel->numskins++;
 610                         totalskins++;
 611                 }
 612         }
 613 }
 614
 615 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
 616 {
 617         int i;
 618         trivertx_t *in;
 619         for (i = 0;i < numverts;i++, out3f += 3)
 620         {
 621                 in = v + vertremap[i];
 622                 out3f[0] = in->v[0] * scale[0] + translate[0];
 623                 out3f[1] = in->v[1] * scale[1] + translate[1];
 624                 out3f[2] = in->v[2] * scale[2] + translate[2];
 625         }
 626 }
 627
 628 void Mod_IDP2_Load(model_t *mod, void *buffer)
 629 {
 630         int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
 631         float *stverts, s, t, scale[3], translate[3];
 632         md2_t *pinmodel;
 633         qbyte *base, *datapointer;
 634         md2frame_t *pinframe;
 635         char *inskin;
 636         md2triangle_t *intri;
 637         unsigned short *inst;
 638         struct md2verthash_s
 639         {
 640                 struct md2verthash_s *next;
 641                 int xyz;
 642                 float st[2];
 643         }
 644         *hash, **md2verthash, *md2verthashdata;
 645         skinframe_t tempskinframe;
 646         skinfile_t *skinfiles;
 647
 648         pinmodel = buffer;
 649         base = buffer;
 650
 651         version = LittleLong (pinmodel->version);
 652         if (version != MD2ALIAS_VERSION)
 653                 Host_Error ("%s has wrong version number (%i should be %i)",
 654                         loadmodel->name, version, MD2ALIAS_VERSION);
 655
 656         loadmodel->type = mod_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_morphframes = 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 | TEXF_PICMIP, 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_morphvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_morphframes * sizeof(float[3]));
 824         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_morphframes;i++)
 825         {
 826                 pinframe = (md2frame_t *)datapointer;
 827                 datapointer += sizeof(md2frame_t);
 828                 for (j = 0;j < 3;j++)
 829                 {
 830                         scale[j] = LittleFloat(pinframe->scale[j]);
 831                         translate[j] = LittleFloat(pinframe->translate[j]);
 832                 }
 833                 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_morphvertex3f + i * numverts * 3, numverts, vertremap);
 834                 datapointer += numxyz * sizeof(trivertx_t);
 835
 836                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 837                 loadmodel->animscenes[i].firstframe = i;
 838                 loadmodel->animscenes[i].framecount = 1;
 839                 loadmodel->animscenes[i].framerate = 10;
 840                 loadmodel->animscenes[i].loop = true;
 841         }
 842
 843         Mem_Free(vertremap);
 844
 845         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 846         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 847         Mod_CalcAliasModelBBoxes();
 848 }
 849
 850 void Mod_IDP3_Load(model_t *mod, void *buffer)
 851 {
 852         int i, j, k, version;
 853         md3modelheader_t *pinmodel;
 854         md3frameinfo_t *pinframe;
 855         md3mesh_t *pinmesh;
 856         md3tag_t *pintag;
 857         aliasmesh_t *mesh;
 858         skinfile_t *skinfiles;
 859
 860         pinmodel = buffer;
 861
 862         if (memcmp(pinmodel->identifier, "IDP3", 4))
 863                 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
 864         version = LittleLong (pinmodel->version);
 865         if (version != MD3VERSION)
 866                 Host_Error ("%s has wrong version number (%i should be %i)",
 867                         loadmodel->name, version, MD3VERSION);
 868
 869         skinfiles = Mod_LoadSkinFiles();
 870         if (loadmodel->numskins < 1)
 871                 loadmodel->numskins = 1;
 872
 873         loadmodel->type = mod_alias;
 874         loadmodel->DrawSky = NULL;
 875         loadmodel->Draw = R_Model_Alias_Draw;
 876         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 877         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 878         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 879         loadmodel->flags = LittleLong(pinmodel->flags);
 880         loadmodel->synctype = ST_RAND;
 881
 882         // set up some global info about the model
 883         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 884         loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
 885
 886         // make skinscenes for the skins (no groups)
 887         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 888         for (i = 0;i < loadmodel->numskins;i++)
 889         {
 890                 loadmodel->skinscenes[i].firstframe = i;
 891                 loadmodel->skinscenes[i].framecount = 1;
 892                 loadmodel->skinscenes[i].loop = true;
 893                 loadmodel->skinscenes[i].framerate = 10;
 894         }
 895
 896         // load frameinfo
 897         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 898         for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
 899         {
 900                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 901                 loadmodel->animscenes[i].firstframe = i;
 902                 loadmodel->animscenes[i].framecount = 1;
 903                 loadmodel->animscenes[i].framerate = 10;
 904                 loadmodel->animscenes[i].loop = true;
 905         }
 906
 907         // load tags
 908         loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
 909         loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
 910         loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
 911         for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
 912         {
 913                 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
 914                 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
 915                 for (j = 0;j < 3;j++)
 916                 {
 917                         for (k = 0;k < 3;k++)
 918                                 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
 919                         loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
 920                 }
 921                 //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);
 922         }
 923
 924         // load meshes
 925         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
 926         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)))
 927         {
 928                 if (memcmp(pinmesh->identifier, "IDP3", 4))
 929                         Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
 930                 mesh = loadmodel->alias.aliasdata_meshes + i;
 931                 mesh->num_skins = loadmodel->numskins;
 932                 mesh->num_morphframes = LittleLong(pinmesh->num_frames);
 933                 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
 934                 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
 935                 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
 936                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 937                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 938                 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
 939                 mesh->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_morphframes * sizeof(float[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_morphframes;j++)
 948                 {
 949                         mesh->data_morphvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
 950                         mesh->data_morphvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
 951                         mesh->data_morphvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
 952                 }
 953
 954                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
 955                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
 956
 957                 if (LittleLong(pinmesh->num_shaders) >= 1)
 958                         Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name);
 959                 else
 960                         for (j = 0;j < mesh->num_skins;j++)
 961                                 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
 962         }
 963         Mod_CalcAliasModelBBoxes();
 964         Mod_FreeSkinFiles(skinfiles);
 965 }
 966
 967 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
 968 {
 969         zymtype1header_t *pinmodel, *pheader;
 970         qbyte *pbase;
 971         int i, j, k, l, numposes, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements, *remapvertices;
 972         float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f;
 973         zymvertex_t *verts, *vertdata;
 974         zymscene_t *scene;
 975         zymbone_t *bone;
 976         char *shadername;
 977         skinfile_t *skinfiles;
 978         aliasmesh_t *mesh;
 979
 980         pinmodel = (void *)buffer;
 981         pbase = buffer;
 982         if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
 983                 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
 984         if (BigLong(pinmodel->type) != 1)
 985                 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
 986
 987         loadmodel->type = mod_alias;
 988         loadmodel->DrawSky = NULL;
 989         loadmodel->Draw = R_Model_Alias_Draw;
 990         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 991         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 992         //loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox; // FIXME: implement collisions
 993         loadmodel->flags = 0; // there are no flags on zym models
 994         loadmodel->synctype = ST_RAND;
 995
 996         // byteswap header
 997         pheader = pinmodel;
 998         pheader->type = BigLong(pinmodel->type);
 999         pheader->filesize = BigLong(pinmodel->filesize);
1000         pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1001         pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1002         pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1003         pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1004         pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1005         pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1006         pheader->radius = BigFloat(pinmodel->radius);
1007         pheader->numverts = BigLong(pinmodel->numverts);
1008         pheader->numtris = BigLong(pinmodel->numtris);
1009         pheader->numshaders = BigLong(pinmodel->numshaders);
1010         pheader->numbones = BigLong(pinmodel->numbones);
1011         pheader->numscenes = BigLong(pinmodel->numscenes);
1012         pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1013         pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1014         pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1015         pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1016         pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1017         pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1018         pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1019         pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1020         pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1021         pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1022         pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1023         pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1024         pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1025         pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1026         pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1027         pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1028         pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1029         pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1030
1031         loadmodel->numframes = pheader->numscenes;
1032         loadmodel->alias.aliasnum_meshes = pheader->numshaders;
1033
1034         skinfiles = Mod_LoadSkinFiles();
1035         if (loadmodel->numskins < 1)
1036                 loadmodel->numskins = 1;
1037
1038         // make skinscenes for the skins (no groups)
1039         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1040         for (i = 0;i < loadmodel->numskins;i++)
1041         {
1042                 loadmodel->skinscenes[i].firstframe = i;
1043                 loadmodel->skinscenes[i].framecount = 1;
1044                 loadmodel->skinscenes[i].loop = true;
1045                 loadmodel->skinscenes[i].framerate = 10;
1046         }
1047
1048         // model bbox
1049         modelradius = pheader->radius;
1050         for (i = 0;i < 3;i++)
1051         {
1052                 loadmodel->normalmins[i] = pheader->mins[i];
1053                 loadmodel->normalmaxs[i] = pheader->maxs[i];
1054                 loadmodel->rotatedmins[i] = -modelradius;
1055                 loadmodel->rotatedmaxs[i] = modelradius;
1056         }
1057         corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1058         corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1059         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1060         if (loadmodel->yawmaxs[0] > modelradius)
1061                 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1062         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1063         loadmodel->yawmins[2] = loadmodel->normalmins[2];
1064         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1065         loadmodel->radius = modelradius;
1066         loadmodel->radius2 = modelradius * modelradius;
1067
1068         // go through the lumps, swapping things
1069
1070         //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1071         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1072         scene = (void *) (pheader->lump_scenes.start + pbase);
1073         numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1074         for (i = 0;i < pheader->numscenes;i++)
1075         {
1076                 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1077                 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1078                 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1079                 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1080                 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1081                 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1082                         Host_Error("%s scene->firstframe (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1083                 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1084                         Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1085                 if (loadmodel->animscenes[i].framerate < 0)
1086                         Host_Error("%s scene->framerate (%f) < 0\n", loadmodel->name, loadmodel->animscenes[i].framerate);
1087                 scene++;
1088         }
1089
1090         //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1091         loadmodel->alias.aliasnum_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1092         loadmodel->alias.aliasdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1093         poses = (void *) (pheader->lump_poses.start + pbase);
1094         for (i = 0;i < pheader->lump_poses.length / 4;i++)
1095                 loadmodel->alias.aliasdata_poses[i] = BigFloat(poses[i]);
1096
1097         //zymlump_t lump_bones; // zymbone_t bone[numbones];
1098         loadmodel->alias.aliasnum_bones = pheader->numbones;
1099         loadmodel->alias.aliasdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1100         bone = (void *) (pheader->lump_bones.start + pbase);
1101         for (i = 0;i < pheader->numbones;i++)
1102         {
1103                 memcpy(loadmodel->alias.aliasdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1104                 loadmodel->alias.aliasdata_bones[i].flags = BigLong(bone[i].flags);
1105                 loadmodel->alias.aliasdata_bones[i].parent = BigLong(bone[i].parent);
1106                 if (loadmodel->alias.aliasdata_bones[i].parent >= i)
1107                         Host_Error("%s bone[%i].parent >= %i\n", loadmodel->name, i, i);
1108         }
1109
1110         //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1111         vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1112         bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1113         for (i = 0;i < pheader->numverts;i++)
1114         {
1115                 vertbonecounts[i] = BigLong(bonecount[i]);
1116                 if (vertbonecounts[i] < 1)
1117                         Host_Error("%s bonecount[%i] < 1\n", loadmodel->name, i);
1118         }
1119
1120         //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1121         verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1122         vertdata = (void *) (pheader->lump_verts.start + pbase);
1123         for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1124         {
1125                 verts[i].bonenum = BigLong(vertdata[i].bonenum);
1126                 verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1127                 verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1128                 verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1129         }
1130
1131         //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1132         outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1133         intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1134         for (i = 0;i < pheader->numverts;i++)
1135         {
1136                 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1137                 // flip T coordinate for OpenGL
1138                 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1139         }
1140
1141         //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1142         //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1143         //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1144
1145         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
1146
1147         //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1148         //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)
1149         // byteswap, validate, and swap winding order of tris
1150         count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1151         if (pheader->lump_render.length != count)
1152                 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1153         renderlist = (void *) (pheader->lump_render.start + pbase);
1154         renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1155         for (i = 0;i < loadmodel->alias.aliasnum_meshes;i++)
1156         {
1157                 if (renderlist >= renderlistend)
1158                         Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1159                 count = BigLong(*renderlist);renderlist++;
1160                 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1161                         Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1162                 mesh = loadmodel->alias.aliasdata_meshes + i;
1163                 mesh->num_skins = loadmodel->numskins;
1164                 mesh->num_triangles = count;
1165                 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
1166                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1167                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1168                 outelements = mesh->data_element3i;
1169                 for (j = 0;j < mesh->num_triangles;j++)
1170                 {
1171                         outelements[2] = BigLong(renderlist[0]);
1172                         outelements[1] = BigLong(renderlist[1]);
1173                         outelements[0] = BigLong(renderlist[2]);
1174                         if ((unsigned int)outelements[0] >= (unsigned int)pheader->numverts
1175                          || (unsigned int)outelements[1] >= (unsigned int)pheader->numverts
1176                          || (unsigned int)outelements[2] >= (unsigned int)pheader->numverts)
1177                                 Host_Error("%s corrupt renderlist (out of bounds index)\n", loadmodel->name);
1178                         renderlist += 3;
1179                         outelements += 3;
1180                 }
1181                 remapvertices = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1182                 mesh->num_vertices = Mod_BuildVertexRemapTableFromElements(mesh->num_triangles * 3, mesh->data_element3i, pheader->numverts, remapvertices);
1183                 for (j = 0;j < mesh->num_triangles * 3;j++)
1184                         mesh->data_element3i[j] = remapvertices[mesh->data_element3i[j]];
1185                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1186                 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1187                 for (j = 0;j < pheader->numverts;j++)
1188                 {
1189                         if (remapvertices[j] >= 0)
1190                         {
1191                                 mesh->data_texcoord2f[remapvertices[j]*2+0] = outtexcoord2f[j*2+0];
1192                                 mesh->data_texcoord2f[remapvertices[j]*2+1] = outtexcoord2f[j*2+1];
1193                         }
1194                 }
1195                 mesh->num_vertexboneweights = 0;
1196                 for (j = 0;j < mesh->num_vertices;j++)
1197                         if (remapvertices[j] >= 0)
1198                                 mesh->num_vertexboneweights += vertbonecounts[remapvertices[j]];
1199                 mesh->data_vertexboneweights = Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(aliasvertexboneweight_t));
1200                 mesh->num_vertexboneweights = 0;
1201                 // note this vertexboneweight ordering requires that the remapvertices array is sequential numbers (separated by -1 values for omitted vertices)
1202                 l = 0;
1203                 for (j = 0;j < mesh->num_vertices;j++)
1204                 {
1205                         if (remapvertices[j] < 0)
1206                         {
1207                                 l += vertbonecounts[j];
1208                                 continue;
1209                         }
1210                         for (k = 0;k < vertbonecounts[j];k++)
1211                         {
1212                                 // this format really should have had a per vertexweight weight value...
1213                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = remapvertices[j];
1214                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = verts[l].bonenum;
1215                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3] = 1.0f / vertbonecounts[j];
1216                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[0] = verts[l].origin[0] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1217                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[1] = verts[l].origin[1] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1218                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[2] = verts[l].origin[2] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1219                                 mesh->num_vertexboneweights++;
1220                                 l++;
1221                         }
1222                 }
1223
1224                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1225                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1226
1227                 // since zym models do not have named sections, reuse their shader
1228                 // name as the section name
1229                 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1230                 if (shadername[0])
1231                         Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, shadername, shadername);
1232                 else
1233                         for (j = 0;j < mesh->num_skins;j++)
1234                                 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
1235         }
1236
1237         Mem_Free(vertbonecounts);
1238         Mem_Free(verts);
1239         Mem_Free(outtexcoord2f);
1240 }
1241