model_alias.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "quakedef.h"
  22 #include "image.h"
  23 #include "r_shadow.h"
  24
  25 void Mod_AliasInit (void)
  26 {
  27 }
  28
  29 static void Mod_MDLMD2MD3_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
  30 {
  31         int i, framenum;
  32         float segmentmins[3], segmentmaxs[3];
  33         colbrushf_t *thisbrush_start, *thisbrush_end;
  34         matrix4x4_t startmatrix, endmatrix;
  35         memset(trace, 0, sizeof(*trace));
  36         trace->fraction = 1;
  37         trace->realfraction = 1;
  38         trace->hitsupercontentsmask = hitsupercontentsmask;
  39         segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
  40         segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
  41         segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
  42         segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
  43         segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
  44         segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
  45         if (VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
  46         {
  47                 // line trace
  48                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
  49                 {
  50                         framenum = frame;
  51                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_frames)
  52                                 framenum = 0;
  53                         Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_aliasvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
  54                 }
  55         }
  56         else
  57         {
  58                 // box trace, performed as brush trace
  59                 Matrix4x4_CreateIdentity(&startmatrix);
  60                 Matrix4x4_CreateIdentity(&endmatrix);
  61                 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
  62                 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
  63                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
  64                 {
  65                         framenum = frame;
  66                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_frames)
  67                                 framenum = 0;
  68                         Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_aliasvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
  69                 }
  70         }
  71 }
  72
  73 static void Mod_CalcAliasModelBBoxes (void)
  74 {
  75         int vnum, meshnum;
  76         float dist, yawradius, radius;
  77         aliasmesh_t *mesh;
  78         float *v;
  79         VectorClear(loadmodel->normalmins);
  80         VectorClear(loadmodel->normalmaxs);
  81         yawradius = 0;
  82         radius = 0;
  83         for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
  84         {
  85                 for (vnum = 0, v = mesh->data_aliasvertex3f;vnum < mesh->num_vertices * mesh->num_frames;vnum++, v += 3)
  86                 {
  87                         if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
  88                         if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
  89                         if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
  90                         if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
  91                         if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
  92                         if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
  93                         dist = v[0] * v[0] + v[1] * v[1];
  94                         if (yawradius < dist)
  95                                 yawradius = dist;
  96                         dist += v[2] * v[2];
  97                         if (radius < dist)
  98                                 radius = dist;
  99                 }
 100         }
 101         radius = sqrt(radius);
 102         yawradius = sqrt(yawradius);
 103         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
 104         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
 105         loadmodel->yawmins[2] = loadmodel->normalmins[2];
 106         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 107         loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
 108         loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
 109         loadmodel->radius = radius;
 110         loadmodel->radius2 = radius * radius;
 111 }
 112
 113 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
 114 {
 115         int i, j;
 116         vec3_t temp;
 117         for (i = 0;i < inverts;i++)
 118         {
 119                 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
 120                         continue;
 121                 temp[0] = v[i].v[0] * scale[0] + translate[0];
 122                 temp[1] = v[i].v[1] * scale[1] + translate[1];
 123                 temp[2] = v[i].v[2] * scale[2] + translate[2];
 124                 j = vertremap[i]; // not onseam
 125                 if (j >= 0)
 126                         VectorCopy(temp, out3f + j * 3);
 127                 j = vertremap[i+inverts]; // onseam
 128                 if (j >= 0)
 129                         VectorCopy(temp, out3f + j * 3);
 130         }
 131 }
 132
 133 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
 134 {
 135         int i, f, pose, groupframes;
 136         float interval;
 137         daliasframetype_t *pframetype;
 138         daliasframe_t *pinframe;
 139         daliasgroup_t *group;
 140         daliasinterval_t *intervals;
 141         animscene_t *scene;
 142         pose = 0;
 143         scene = loadmodel->animscenes;
 144         for (f = 0;f < loadmodel->numframes;f++)
 145         {
 146                 pframetype = (daliasframetype_t *)datapointer;
 147                 datapointer += sizeof(daliasframetype_t);
 148                 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
 149                 {
 150                         // a single frame is still treated as a group
 151                         interval = 0.1f;
 152                         groupframes = 1;
 153                 }
 154                 else
 155                 {
 156                         // read group header
 157                         group = (daliasgroup_t *)datapointer;
 158                         datapointer += sizeof(daliasgroup_t);
 159                         groupframes = LittleLong (group->numframes);
 160
 161                         // intervals (time per frame)
 162                         intervals = (daliasinterval_t *)datapointer;
 163                         datapointer += sizeof(daliasinterval_t) * groupframes;
 164
 165                         interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
 166                         if (interval < 0.01f)
 167                                 Host_Error("Mod_MDL_LoadFrames: invalid interval");
 168                 }
 169
 170                 // get scene name from first frame
 171                 pinframe = (daliasframe_t *)datapointer;
 172
 173                 strcpy(scene->name, pinframe->name);
 174                 scene->firstframe = pose;
 175                 scene->framecount = groupframes;
 176                 scene->framerate = 1.0f / interval;
 177                 scene->loop = true;
 178                 scene++;
 179
 180                 // read frames
 181                 for (i = 0;i < groupframes;i++)
 182                 {
 183                         pinframe = (daliasframe_t *)datapointer;
 184                         datapointer += sizeof(daliasframe_t);
 185                         Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
 186                         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);
 187                         datapointer += sizeof(trivertx_t) * inverts;
 188                         pose++;
 189                 }
 190         }
 191 }
 192
 193 static skinframe_t missingskinframe;
 194 aliaslayer_t mod_alias_layersbuffer[16]; // 7 currently used
 195 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
 196 {
 197         aliaslayer_t *layer;
 198
 199         // hack
 200         if (skinframe == NULL)
 201         {
 202                 skinframe = &missingskinframe;
 203                 memset(skinframe, 0, sizeof(*skinframe));
 204                 skinframe->base = r_notexture;
 205         }
 206
 207         memset(&mod_alias_layersbuffer, 0, sizeof(mod_alias_layersbuffer));
 208         layer = mod_alias_layersbuffer;
 209         layer->flags = ALIASLAYER_SPECULAR;
 210         layer->texture = skinframe->gloss;
 211         layer->nmap = skinframe->nmap;
 212         layer++;
 213         if (skinframe->merged != NULL)
 214         {
 215                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_COLORMAPPED;
 216                 layer->texture = skinframe->merged;
 217                 layer->nmap = skinframe->nmap;
 218                 layer++;
 219         }
 220         if (skinframe->base != NULL)
 221         {
 222                 layer->flags = ALIASLAYER_DIFFUSE;
 223                 if (skinframe->merged != NULL)
 224                         layer->flags |= ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED;
 225                 layer->texture = skinframe->base;
 226                 layer->nmap = skinframe->nmap;
 227                 layer++;
 228         }
 229         if (skinframe->pants != NULL)
 230         {
 231                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_PANTS;
 232                 layer->texture = skinframe->pants;
 233                 layer->nmap = skinframe->nmap;
 234                 layer++;
 235         }
 236         if (skinframe->shirt != NULL)
 237         {
 238                 layer->flags = ALIASLAYER_DIFFUSE | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_COLORMAP_SHIRT;
 239                 layer->texture = skinframe->shirt;
 240                 layer->nmap = skinframe->nmap;
 241                 layer++;
 242         }
 243
 244         if (skinframe->glow != NULL)
 245         {
 246                 layer->flags = 0;
 247                 layer->texture = skinframe->glow;
 248                 layer++;
 249         }
 250
 251         layer->flags = ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS;
 252         layer->texture = skinframe->fog;
 253         layer++;
 254
 255         skin->flags = 0;
 256         // fog texture only exists if some pixels are transparent...
 257         if (skinframe->fog != NULL)
 258                 skin->flags |= ALIASSKIN_TRANSPARENT;
 259
 260         skin->num_layers = layer - mod_alias_layersbuffer;
 261         skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
 262         memcpy(skin->data_layers, mod_alias_layersbuffer, skin->num_layers * sizeof(aliaslayer_t));
 263 }
 264
 265 void Mod_BuildAliasSkinsFromSkinFiles(aliasskin_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
 266 {
 267         int i;
 268         skinfileitem_t *skinfileitem;
 269         skinframe_t tempskinframe;
 270         if (skinfile)
 271         {
 272                 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
 273                 {
 274                         memset(skin, 0, sizeof(*skin));
 275                         for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
 276                         {
 277                                 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
 278                                 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
 279                                 {
 280                                         memset(&tempskinframe, 0, sizeof(tempskinframe));
 281                                         if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 282                                                 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 283                                         else
 284                                         {
 285                                                 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);
 286                                                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 287                                                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 288                                                 else
 289                                                 {
 290                                                         Con_Printf("failed to load skin \"%s\"\n", shadername);
 291                                                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 292                                                 }
 293                                         }
 294                                 }
 295                         }
 296                 }
 297         }
 298         else
 299         {
 300                 memset(&tempskinframe, 0, sizeof(tempskinframe));
 301                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 302                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 303                 else
 304                 {
 305                         Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
 306                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 307                 }
 308         }
 309 }
 310
 311 #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);
 312 #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);
 313 extern void R_Model_Alias_Draw(entity_render_t *ent);
 314 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist);
 315 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);
 316 void Mod_IDP0_Load(model_t *mod, void *buffer)
 317 {
 318         int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
 319         float scales, scalet, scale[3], translate[3], interval;
 320         mdl_t *pinmodel;
 321         stvert_t *pinstverts;
 322         dtriangle_t *pintriangles;
 323         daliasskintype_t *pinskintype;
 324         daliasskingroup_t *pinskingroup;
 325         daliasskininterval_t *pinskinintervals;
 326         daliasframetype_t *pinframetype;
 327         daliasgroup_t *pinframegroup;
 328         qbyte *datapointer, *startframes, *startskins;
 329         char name[MAX_QPATH];
 330         skinframe_t tempskinframe;
 331         animscene_t *tempskinscenes;
 332         aliasskin_t *tempaliasskins;
 333         float *vertst;
 334         int *vertonseam, *vertremap;
 335         skinfile_t *skinfiles;
 336
 337         datapointer = buffer;
 338         pinmodel = (mdl_t *)datapointer;
 339         datapointer += sizeof(mdl_t);
 340
 341         version = LittleLong (pinmodel->version);
 342         if (version != ALIAS_VERSION)
 343                 Host_Error ("%s has wrong version number (%i should be %i)",
 344                                  loadmodel->name, version, ALIAS_VERSION);
 345
 346         loadmodel->type = mod_alias;
 347         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 348         loadmodel->DrawSky = NULL;
 349         loadmodel->Draw = R_Model_Alias_Draw;
 350         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 351         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 352         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 353
 354         loadmodel->alias.aliasnum_meshes = 1;
 355         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 356
 357         loadmodel->numskins = LittleLong(pinmodel->numskins);
 358         BOUNDI(loadmodel->numskins,0,65536);
 359         skinwidth = LittleLong (pinmodel->skinwidth);
 360         BOUNDI(skinwidth,0,65536);
 361         skinheight = LittleLong (pinmodel->skinheight);
 362         BOUNDI(skinheight,0,65536);
 363         numverts = LittleLong(pinmodel->numverts);
 364         BOUNDI(numverts,0,65536);
 365         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
 366         BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536);
 367         loadmodel->numframes = LittleLong(pinmodel->numframes);
 368         BOUNDI(loadmodel->numframes,0,65536);
 369         loadmodel->synctype = LittleLong (pinmodel->synctype);
 370         BOUNDI(loadmodel->synctype,0,2);
 371         loadmodel->flags = LittleLong (pinmodel->flags);
 372
 373         for (i = 0;i < 3;i++)
 374         {
 375                 scale[i] = LittleFloat (pinmodel->scale[i]);
 376                 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
 377         }
 378
 379         startskins = datapointer;
 380         totalskins = 0;
 381         for (i = 0;i < loadmodel->numskins;i++)
 382         {
 383                 pinskintype = (daliasskintype_t *)datapointer;
 384                 datapointer += sizeof(daliasskintype_t);
 385                 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
 386                         groupskins = 1;
 387                 else
 388                 {
 389                         pinskingroup = (daliasskingroup_t *)datapointer;
 390                         datapointer += sizeof(daliasskingroup_t);
 391                         groupskins = LittleLong(pinskingroup->numskins);
 392                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 393                 }
 394
 395                 for (j = 0;j < groupskins;j++)
 396                 {
 397                         datapointer += skinwidth * skinheight;
 398                         totalskins++;
 399                 }
 400         }
 401
 402         pinstverts = (stvert_t *)datapointer;
 403         datapointer += sizeof(stvert_t) * numverts;
 404
 405         pintriangles = (dtriangle_t *)datapointer;
 406         datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
 407
 408         startframes = datapointer;
 409         loadmodel->alias.aliasdata_meshes->num_frames = 0;
 410         for (i = 0;i < loadmodel->numframes;i++)
 411         {
 412                 pinframetype = (daliasframetype_t *)datapointer;
 413                 datapointer += sizeof(daliasframetype_t);
 414                 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
 415                         groupframes = 1;
 416                 else
 417                 {
 418                         pinframegroup = (daliasgroup_t *)datapointer;
 419                         datapointer += sizeof(daliasgroup_t);
 420                         groupframes = LittleLong(pinframegroup->numframes);
 421                         datapointer += sizeof(daliasinterval_t) * groupframes;
 422                 }
 423
 424                 for (j = 0;j < groupframes;j++)
 425                 {
 426                         datapointer += sizeof(daliasframe_t);
 427                         datapointer += sizeof(trivertx_t) * numverts;
 428                         loadmodel->alias.aliasdata_meshes->num_frames++;
 429                 }
 430         }
 431
 432         // store texture coordinates into temporary array, they will be stored
 433         // after usage is determined (triangle data)
 434         vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
 435         vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
 436         vertonseam = vertremap + numverts * 2;
 437
 438         scales = 1.0 / skinwidth;
 439         scalet = 1.0 / skinheight;
 440         for (i = 0;i < numverts;i++)
 441         {
 442                 vertonseam[i] = LittleLong(pinstverts[i].onseam);
 443                 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
 444                 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
 445                 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
 446                 vertst[(i+numverts)*2+1] = vertst[i*2+1];
 447         }
 448
 449 // load triangle data
 450         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
 451
 452         // read the triangle elements
 453         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 454                 for (j = 0;j < 3;j++)
 455                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
 456         // validate (note numverts is used because this is the original data)
 457         Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
 458         // now butcher the elements according to vertonseam and tri->facesfront
 459         // and then compact the vertex set to remove duplicates
 460         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 461                 if (!LittleLong(pintriangles[i].facesfront)) // backface
 462                         for (j = 0;j < 3;j++)
 463                                 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
 464                                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
 465         // count the usage
 466         // (this uses vertremap to count usage to save some memory)
 467         for (i = 0;i < numverts*2;i++)
 468                 vertremap[i] = 0;
 469         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
 470                 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
 471         // build remapping table and compact array
 472         loadmodel->alias.aliasdata_meshes->num_vertices = 0;
 473         for (i = 0;i < numverts*2;i++)
 474         {
 475                 if (vertremap[i])
 476                 {
 477                         vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
 478                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
 479                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
 480                         loadmodel->alias.aliasdata_meshes->num_vertices++;
 481                 }
 482                 else
 483                         vertremap[i] = -1; // not used at all
 484         }
 485         // remap the elements to the new vertex set
 486         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
 487                 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
 488         // store the texture coordinates
 489         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
 490         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
 491         {
 492                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
 493                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
 494         }
 495
 496 // load the frames
 497         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 498         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);
 499         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;
 500         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;
 501         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;
 502         Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
 503         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 504         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 505         Mod_CalcAliasModelBBoxes();
 506
 507         Mem_Free(vertst);
 508         Mem_Free(vertremap);
 509
 510         // load the skins
 511         if ((skinfiles = Mod_LoadSkinFiles()))
 512         {
 513                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
 514                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 515                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 516                 Mod_FreeSkinFiles(skinfiles);
 517                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 518                 for (i = 0;i < loadmodel->numskins;i++)
 519                 {
 520                         loadmodel->skinscenes[i].firstframe = i;
 521                         loadmodel->skinscenes[i].framecount = 1;
 522                         loadmodel->skinscenes[i].loop = true;
 523                         loadmodel->skinscenes[i].framerate = 10;
 524                 }
 525         }
 526         else
 527         {
 528                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
 529                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 530                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
 531                 totalskins = 0;
 532                 datapointer = startskins;
 533                 for (i = 0;i < loadmodel->numskins;i++)
 534                 {
 535                         pinskintype = (daliasskintype_t *)datapointer;
 536                         datapointer += sizeof(daliasskintype_t);
 537
 538                         if (pinskintype->type == ALIAS_SKIN_SINGLE)
 539                         {
 540                                 groupskins = 1;
 541                                 interval = 0.1f;
 542                         }
 543                         else
 544                         {
 545                                 pinskingroup = (daliasskingroup_t *)datapointer;
 546                                 datapointer += sizeof(daliasskingroup_t);
 547
 548                                 groupskins = LittleLong (pinskingroup->numskins);
 549
 550                                 pinskinintervals = (daliasskininterval_t *)datapointer;
 551                                 datapointer += sizeof(daliasskininterval_t) * groupskins;
 552
 553                                 interval = LittleFloat(pinskinintervals[0].interval);
 554                                 if (interval < 0.01f)
 555                                         Host_Error("Mod_IDP0_Load: invalid interval\n");
 556                         }
 557
 558                         sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
 559                         loadmodel->skinscenes[i].firstframe = totalskins;
 560                         loadmodel->skinscenes[i].framecount = groupskins;
 561                         loadmodel->skinscenes[i].framerate = 1.0f / interval;
 562                         loadmodel->skinscenes[i].loop = true;
 563
 564                         for (j = 0;j < groupskins;j++)
 565                         {
 566                                 if (groupskins > 1)
 567                                         sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
 568                                 else
 569                                         sprintf (name, "%s_%i", loadmodel->name, i);
 570                                 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
 571                                         Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, r_fullbrights.integer, (qbyte *)datapointer, skinwidth, skinheight);
 572                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 573                                 datapointer += skinwidth * skinheight;
 574                                 totalskins++;
 575                         }
 576                 }
 577                 // check for skins that don't exist in the model, but do exist as external images
 578                 // (this was added because yummyluv kept pestering me about support for it)
 579                 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA, true, false, true))
 580                 {
 581                         // expand the arrays to make room
 582                         tempskinscenes = loadmodel->skinscenes;
 583                         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
 584                         memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
 585                         Mem_Free(tempskinscenes);
 586
 587                         tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
 588                         loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(aliasskin_t));
 589                         memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(aliasskin_t));
 590                         Mem_Free(tempaliasskins);
 591
 592                         // store the info about the new skin
 593                         Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 594                         strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
 595                         loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
 596                         loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
 597                         loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
 598                         loadmodel->skinscenes[loadmodel->numskins].loop = true;
 599
 600                         //increase skin counts
 601                         loadmodel->alias.aliasdata_meshes->num_skins++;
 602                         loadmodel->numskins++;
 603                         totalskins++;
 604                 }
 605         }
 606 }
 607
 608 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
 609 {
 610         int i;
 611         trivertx_t *in;
 612         for (i = 0;i < numverts;i++, out3f += 3)
 613         {
 614                 in = v + vertremap[i];
 615                 out3f[0] = in->v[0] * scale[0] + translate[0];
 616                 out3f[1] = in->v[1] * scale[1] + translate[1];
 617                 out3f[2] = in->v[2] * scale[2] + translate[2];
 618         }
 619 }
 620
 621 void Mod_IDP2_Load(model_t *mod, void *buffer)
 622 {
 623         int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
 624         float *stverts, s, t, scale[3], translate[3];
 625         md2_t *pinmodel;
 626         qbyte *base, *datapointer;
 627         md2frame_t *pinframe;
 628         char *inskin;
 629         md2triangle_t *intri;
 630         unsigned short *inst;
 631         struct md2verthash_s
 632         {
 633                 struct md2verthash_s *next;
 634                 int xyz;
 635                 float st[2];
 636         }
 637         *hash, **md2verthash, *md2verthashdata;
 638         skinframe_t tempskinframe;
 639         skinfile_t *skinfiles;
 640
 641         pinmodel = buffer;
 642         base = buffer;
 643
 644         version = LittleLong (pinmodel->version);
 645         if (version != MD2ALIAS_VERSION)
 646                 Host_Error ("%s has wrong version number (%i should be %i)",
 647                         loadmodel->name, version, MD2ALIAS_VERSION);
 648
 649         loadmodel->type = mod_alias;
 650         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 651         loadmodel->DrawSky = NULL;
 652         loadmodel->Draw = R_Model_Alias_Draw;
 653         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 654         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 655         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 656
 657         if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
 658                 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
 659         if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
 660                 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
 661         if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
 662                 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
 663         if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
 664                 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
 665
 666         end = LittleLong(pinmodel->ofs_end);
 667         if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
 668                 Host_Error ("%s is not a valid model", loadmodel->name);
 669         if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
 670                 Host_Error ("%s is not a valid model", loadmodel->name);
 671         if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
 672                 Host_Error ("%s is not a valid model", loadmodel->name);
 673         if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
 674                 Host_Error ("%s is not a valid model", loadmodel->name);
 675         if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
 676                 Host_Error ("%s is not a valid model", loadmodel->name);
 677
 678         loadmodel->alias.aliasnum_meshes = 1;
 679         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 680
 681         loadmodel->numskins = LittleLong(pinmodel->num_skins);
 682         numxyz = LittleLong(pinmodel->num_xyz);
 683         numst = LittleLong(pinmodel->num_st);
 684         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
 685         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 686         loadmodel->alias.aliasdata_meshes->num_frames = loadmodel->numframes;
 687         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 688
 689         loadmodel->flags = 0; // there are no MD2 flags
 690         loadmodel->synctype = ST_RAND;
 691
 692         // load the skins
 693         inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
 694         if ((skinfiles = Mod_LoadSkinFiles()))
 695         {
 696                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 697                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 698                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 699                 Mod_FreeSkinFiles(skinfiles);
 700         }
 701         else if (loadmodel->numskins)
 702         {
 703                 // skins found (most likely not a player model)
 704                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 705                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 706                 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
 707                 {
 708                         if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE, true, false, true))
 709                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
 710                         else
 711                         {
 712                                 Con_Printf("Mod_IDP2_Load: missing skin \"%s\"\n", inskin);
 713                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
 714                         }
 715                 }
 716         }
 717         else
 718         {
 719                 // no skins (most likely a player model)
 720                 loadmodel->numskins = 1;
 721                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 722                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(aliasskin_t));
 723                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
 724         }
 725
 726         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 727         for (i = 0;i < loadmodel->numskins;i++)
 728         {
 729                 loadmodel->skinscenes[i].firstframe = i;
 730                 loadmodel->skinscenes[i].framecount = 1;
 731                 loadmodel->skinscenes[i].loop = true;
 732                 loadmodel->skinscenes[i].framerate = 10;
 733         }
 734
 735         // load the triangles and stvert data
 736         inst = (void*)(base + LittleLong(pinmodel->ofs_st));
 737         intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
 738         skinwidth = LittleLong(pinmodel->skinwidth);
 739         skinheight = LittleLong(pinmodel->skinheight);
 740
 741         stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
 742         s = 1.0f / skinwidth;
 743         t = 1.0f / skinheight;
 744         for (i = 0;i < numst;i++)
 745         {
 746                 j = (unsigned short) LittleShort(inst[i*2+0]);
 747                 k = (unsigned short) LittleShort(inst[i*2+1]);
 748                 if (j >= skinwidth || k >= skinheight)
 749                 {
 750                         Mem_Free(stverts);
 751                         Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
 752                 }
 753                 stverts[i*2+0] = j * s;
 754                 stverts[i*2+1] = k * t;
 755         }
 756
 757         md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
 758         md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
 759         // swap the triangle list
 760         num = 0;
 761         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 762         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 763         {
 764                 for (j = 0;j < 3;j++)
 765                 {
 766                         xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
 767                         st = (unsigned short) LittleShort (intri[i].index_st[j]);
 768                         if (xyz >= numxyz || st >= numst)
 769                         {
 770                                 Mem_Free(md2verthash);
 771                                 Mem_Free(md2verthashdata);
 772                                 Mem_Free(stverts);
 773                                 if (xyz >= numxyz)
 774                                         Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
 775                                 if (st >= numst)
 776                                         Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
 777                         }
 778                         s = stverts[st*2+0];
 779                         t = stverts[st*2+1];
 780                         hashindex = (xyz * 17 + st) & 255;
 781                         for (hash = md2verthash[hashindex];hash;hash = hash->next)
 782                                 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
 783                                         break;
 784                         if (hash == NULL)
 785                         {
 786                                 hash = md2verthashdata + num++;
 787                                 hash->xyz = xyz;
 788                                 hash->st[0] = s;
 789                                 hash->st[1] = t;
 790                                 hash->next = md2verthash[hashindex];
 791                                 md2verthash[hashindex] = hash;
 792                         }
 793                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
 794                 }
 795         }
 796
 797         Mem_Free(stverts);
 798
 799         numverts = num;
 800         loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
 801         vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
 802         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
 803         for (i = 0;i < num;i++)
 804         {
 805                 hash = md2verthashdata + i;
 806                 vertremap[i] = hash->xyz;
 807                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
 808                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
 809         }
 810
 811         Mem_Free(md2verthash);
 812         Mem_Free(md2verthashdata);
 813
 814         // load the frames
 815         datapointer = (base + LittleLong(pinmodel->ofs_frames));
 816         loadmodel->alias.aliasdata_meshes->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_frames * sizeof(float[4][3]));
 817         loadmodel->alias.aliasdata_meshes->data_aliassvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 1;
 818         loadmodel->alias.aliasdata_meshes->data_aliastvector3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 2;
 819         loadmodel->alias.aliasdata_meshes->data_aliasnormal3f = loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + numverts * loadmodel->alias.aliasdata_meshes->num_frames * 3 * 3;
 820         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_frames;i++)
 821         {
 822                 pinframe = (md2frame_t *)datapointer;
 823                 datapointer += sizeof(md2frame_t);
 824                 for (j = 0;j < 3;j++)
 825                 {
 826                         scale[j] = LittleFloat(pinframe->scale[j]);
 827                         translate[j] = LittleFloat(pinframe->translate[j]);
 828                 }
 829                 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_aliasvertex3f + i * numverts * 3, numverts, vertremap);
 830                 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);
 831                 datapointer += numxyz * sizeof(trivertx_t);
 832
 833                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 834                 loadmodel->animscenes[i].firstframe = i;
 835                 loadmodel->animscenes[i].framecount = 1;
 836                 loadmodel->animscenes[i].framerate = 10;
 837                 loadmodel->animscenes[i].loop = true;
 838         }
 839
 840         Mem_Free(vertremap);
 841
 842         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 843         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 844         Mod_CalcAliasModelBBoxes();
 845 }
 846
 847 void Mod_IDP3_Load(model_t *mod, void *buffer)
 848 {
 849         int i, j, k, version;
 850         md3modelheader_t *pinmodel;
 851         md3frameinfo_t *pinframe;
 852         md3mesh_t *pinmesh;
 853         md3tag_t *pintag;
 854         aliasmesh_t *mesh;
 855         skinfile_t *skinfiles;
 856
 857         pinmodel = buffer;
 858
 859         if (memcmp(pinmodel->identifier, "IDP3", 4))
 860                 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
 861         version = LittleLong (pinmodel->version);
 862         if (version != MD3VERSION)
 863                 Host_Error ("%s has wrong version number (%i should be %i)",
 864                         loadmodel->name, version, MD3VERSION);
 865
 866         skinfiles = Mod_LoadSkinFiles();
 867         if (loadmodel->numskins < 1)
 868                 loadmodel->numskins = 1;
 869
 870         loadmodel->type = mod_alias;
 871         loadmodel->alias.aliastype = ALIASTYPE_ALIAS;
 872         loadmodel->DrawSky = NULL;
 873         loadmodel->Draw = R_Model_Alias_Draw;
 874         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 875         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 876         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 877         loadmodel->flags = LittleLong(pinmodel->flags);
 878         loadmodel->synctype = ST_RAND;
 879
 880         // set up some global info about the model
 881         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 882         loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
 883
 884         // make skinscenes for the skins (no groups)
 885         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 886         for (i = 0;i < loadmodel->numskins;i++)
 887         {
 888                 loadmodel->skinscenes[i].firstframe = i;
 889                 loadmodel->skinscenes[i].framecount = 1;
 890                 loadmodel->skinscenes[i].loop = true;
 891                 loadmodel->skinscenes[i].framerate = 10;
 892         }
 893
 894         // load frameinfo
 895         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 896         for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
 897         {
 898                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 899                 loadmodel->animscenes[i].firstframe = i;
 900                 loadmodel->animscenes[i].framecount = 1;
 901                 loadmodel->animscenes[i].framerate = 10;
 902                 loadmodel->animscenes[i].loop = true;
 903         }
 904
 905         // load tags
 906         loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
 907         loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
 908         loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
 909         for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
 910         {
 911                 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
 912                 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
 913                 for (j = 0;j < 3;j++)
 914                 {
 915                         for (k = 0;k < 3;k++)
 916                                 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
 917                         loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
 918                 }
 919                 //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);
 920         }
 921
 922         // load meshes
 923         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
 924         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)))
 925         {
 926                 if (memcmp(pinmesh->identifier, "IDP3", 4))
 927                         Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
 928                 mesh = loadmodel->alias.aliasdata_meshes + i;
 929                 mesh->num_skins = loadmodel->numskins;
 930                 mesh->num_frames = LittleLong(pinmesh->num_frames);
 931                 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
 932                 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
 933                 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
 934                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 935                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
 936                 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
 937                 mesh->data_aliasvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(float[4][3]));
 938                 mesh->data_aliassvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 1;
 939                 mesh->data_aliastvector3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 2;
 940                 mesh->data_aliasnormal3f = mesh->data_aliasvertex3f + mesh->num_vertices * mesh->num_frames * 3 * 3;
 941                 for (j = 0;j < mesh->num_triangles * 3;j++)
 942                         mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
 943                 for (j = 0;j < mesh->num_vertices;j++)
 944                 {
 945                         mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
 946                         mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
 947                 }
 948                 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
 949                 {
 950                         mesh->data_aliasvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
 951                         mesh->data_aliasvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
 952                         mesh->data_aliasvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
 953                 }
 954                 for (j = 0;j < mesh->num_frames;j++)
 955                         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);
 956
 957                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
 958                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
 959
 960                 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
 961                         Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name);
 962                 else
 963                         for (j = 0;j < mesh->num_skins;j++)
 964                                 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
 965         }
 966         Mod_CalcAliasModelBBoxes();
 967         Mod_FreeSkinFiles(skinfiles);
 968 }
 969
 970 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
 971 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
 972 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist);
 973 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, int numsurfaces, const int *surfacelist);
 974 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
 975 {
 976         zymtype1header_t *pinmodel, *pheader;
 977         qbyte *pbase;
 978
 979         pinmodel = (void *)buffer;
 980         pbase = buffer;
 981         if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
 982                 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
 983         if (BigLong(pinmodel->type) != 1)
 984                 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
 985
 986         loadmodel->type = mod_alias;
 987         loadmodel->alias.aliastype = ALIASTYPE_ZYM;
 988         loadmodel->DrawSky = NULL;
 989         loadmodel->Draw = R_Model_Zymotic_Draw;
 990         loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
 991         loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
 992
 993         // byteswap header
 994         pheader = pinmodel;
 995         pheader->type = BigLong(pinmodel->type);
 996         pheader->filesize = BigLong(pinmodel->filesize);
 997         pheader->mins[0] = BigFloat(pinmodel->mins[0]);
 998         pheader->mins[1] = BigFloat(pinmodel->mins[1]);
 999         pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1000         pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1001         pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1002         pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1003         pheader->radius = BigFloat(pinmodel->radius);
1004         pheader->numverts = loadmodel->alias.zymnum_verts = BigLong(pinmodel->numverts);
1005         pheader->numtris = loadmodel->alias.zymnum_tris = BigLong(pinmodel->numtris);
1006         pheader->numshaders = loadmodel->alias.zymnum_shaders = BigLong(pinmodel->numshaders);
1007         pheader->numbones = loadmodel->alias.zymnum_bones = BigLong(pinmodel->numbones);
1008         pheader->numscenes = loadmodel->alias.zymnum_scenes = BigLong(pinmodel->numscenes);
1009         pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1010         pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1011         pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1012         pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1013         pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1014         pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1015         pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1016         pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1017         pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1018         pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1019         pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1020         pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1021         pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1022         pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1023         pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1024         pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1025         pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1026         pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1027
1028         loadmodel->flags = 0; // there are no flags
1029         loadmodel->numframes = pheader->numscenes;
1030         loadmodel->synctype = ST_SYNC;
1031         //loadmodel->num_triangles = pheader->num_triangles;
1032         //loadmodel->num_vertices = 0;
1033
1034         {
1035                 unsigned int i;
1036                 float modelradius, corner[2];
1037                 // model bbox
1038                 modelradius = pheader->radius;
1039                 for (i = 0;i < 3;i++)
1040                 {
1041                         loadmodel->normalmins[i] = pheader->mins[i];
1042                         loadmodel->normalmaxs[i] = pheader->maxs[i];
1043                         loadmodel->rotatedmins[i] = -modelradius;
1044                         loadmodel->rotatedmaxs[i] = modelradius;
1045                 }
1046                 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1047                 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1048                 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1049                 if (loadmodel->yawmaxs[0] > modelradius)
1050                         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1051                 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1052                 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1053                 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1054                 loadmodel->radius = modelradius;
1055                 loadmodel->radius2 = modelradius * modelradius;
1056         }
1057
1058         {
1059                 // FIXME: add shaders, and make them switchable shader sets and...
1060                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t));
1061                 loadmodel->skinscenes[0].firstframe = 0;
1062                 loadmodel->skinscenes[0].framecount = 1;
1063                 loadmodel->skinscenes[0].loop = true;
1064                 loadmodel->skinscenes[0].framerate = 10;
1065                 loadmodel->numskins = 1;
1066         }
1067
1068         // go through the lumps, swapping things
1069
1070         {
1071                 int i, numposes;
1072                 zymscene_t *scene;
1073         //      zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1074                 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1075                 scene = (void *) (pheader->lump_scenes.start + pbase);
1076                 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1077                 for (i = 0;i < pheader->numscenes;i++)
1078                 {
1079                         memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1080                         loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1081                         loadmodel->animscenes[i].framecount = BigLong(scene->length);
1082                         loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1083                         loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1084                         if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1085                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1086                         if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1087                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1088                         if (loadmodel->animscenes[i].framerate < 0)
1089                                 Host_Error("Mod_ZYMOTICMODEL_Load: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1090                         scene++;
1091                 }
1092         }
1093
1094         {
1095                 int i;
1096                 float *poses;
1097         //      zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1098                 loadmodel->alias.zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1099                 poses = (void *) (pheader->lump_poses.start + pbase);
1100                 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1101                         loadmodel->alias.zymdata_poses[i] = BigFloat(poses[i]);
1102         }
1103
1104         {
1105                 int i;
1106                 zymbone_t *bone;
1107         //      zymlump_t lump_bones; // zymbone_t bone[numbones];
1108                 loadmodel->alias.zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1109                 bone = (void *) (pheader->lump_bones.start + pbase);
1110                 for (i = 0;i < pheader->numbones;i++)
1111                 {
1112                         memcpy(loadmodel->alias.zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1113                         loadmodel->alias.zymdata_bones[i].flags = BigLong(bone[i].flags);
1114                         loadmodel->alias.zymdata_bones[i].parent = BigLong(bone[i].parent);
1115                         if (loadmodel->alias.zymdata_bones[i].parent >= i)
1116                                 Host_Error("Mod_ZYMOTICMODEL_Load: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1117                 }
1118         }
1119
1120         {
1121                 int i, *bonecount;
1122         //      zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1123                 loadmodel->alias.zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1124                 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1125                 for (i = 0;i < pheader->numverts;i++)
1126                 {
1127                         loadmodel->alias.zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1128                         if (loadmodel->alias.zymdata_vertbonecounts[i] < 1)
1129                                 Host_Error("Mod_ZYMOTICMODEL_Load: bone vertex count < 1 in %s\n", loadmodel->name);
1130                 }
1131         }
1132
1133         {
1134                 int i;
1135                 zymvertex_t *vertdata;
1136         //      zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1137                 loadmodel->alias.zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1138                 vertdata = (void *) (pheader->lump_verts.start + pbase);
1139                 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1140                 {
1141                         loadmodel->alias.zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1142                         loadmodel->alias.zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1143                         loadmodel->alias.zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1144                         loadmodel->alias.zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1145                 }
1146         }
1147
1148         {
1149                 int i;
1150                 float *intexcoord2f, *outtexcoord2f;
1151         //      zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1152                 loadmodel->alias.zymdata_texcoords = outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1153                 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1154                 for (i = 0;i < pheader->numverts;i++)
1155                 {
1156                         outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1157                         // flip T coordinate for OpenGL
1158                         outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1159                 }
1160         }
1161
1162         {
1163                 int i, count, *renderlist, *renderlistend, *outrenderlist;
1164         //      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)
1165                 loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1166                 // byteswap, validate, and swap winding order of tris
1167                 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1168                 if (pheader->lump_render.length != count)
1169                         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);
1170                 outrenderlist = loadmodel->alias.zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1171                 renderlist = (void *) (pheader->lump_render.start + pbase);
1172                 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1173                 for (i = 0;i < pheader->numshaders;i++)
1174                 {
1175                         if (renderlist >= renderlistend)
1176                                 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1177                         count = BigLong(*renderlist);renderlist++;
1178                         if (renderlist + count * 3 > renderlistend)
1179                                 Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1180                         *outrenderlist++ = count;
1181                         while (count--)
1182                         {
1183                                 outrenderlist[2] = BigLong(renderlist[0]);
1184                                 outrenderlist[1] = BigLong(renderlist[1]);
1185                                 outrenderlist[0] = BigLong(renderlist[2]);
1186                                 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1187                                  || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1188                                  || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1189                                         Host_Error("Mod_ZYMOTICMODEL_Load: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1190                                 renderlist += 3;
1191                                 outrenderlist += 3;
1192                         }
1193                 }
1194         }
1195
1196         {
1197                 int i;
1198                 char *shadername;
1199         //      zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1200                 loadmodel->alias.zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1201                 shadername = (void *) (pheader->lump_shaders.start + pbase);
1202                 for (i = 0;i < pheader->numshaders;i++)
1203                         loadmodel->alias.zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1204         }
1205
1206         {
1207         //      zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1208                 loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1209                 memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1210         }
1211 }
1212