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 cvar_t r_skeletal_debugbone = {0, "r_skeletal_debugbone", "-1"};
  26 cvar_t r_skeletal_debugbonecomponent = {0, "r_skeletal_debugbonecomponent", "3"};
  27 cvar_t r_skeletal_debugbonevalue = {0, "r_skeletal_debugbonevalue", "100"};
  28 cvar_t r_skeletal_debugtranslatex = {0, "r_skeletal_debugtranslatex", "1"};
  29 cvar_t r_skeletal_debugtranslatey = {0, "r_skeletal_debugtranslatey", "1"};
  30 cvar_t r_skeletal_debugtranslatez = {0, "r_skeletal_debugtranslatez", "1"};
  31
  32 void Mod_AliasInit (void)
  33 {
  34         Cvar_RegisterVariable(&r_skeletal_debugbone);
  35         Cvar_RegisterVariable(&r_skeletal_debugbonecomponent);
  36         Cvar_RegisterVariable(&r_skeletal_debugbonevalue);
  37         Cvar_RegisterVariable(&r_skeletal_debugtranslatex);
  38         Cvar_RegisterVariable(&r_skeletal_debugtranslatey);
  39         Cvar_RegisterVariable(&r_skeletal_debugtranslatez);
  40 }
  41
  42 void Mod_Alias_GetMesh_Vertex3f(const model_t *model, const frameblend_t *frameblend, const surfmesh_t *mesh, float *out3f)
  43 {
  44         if (mesh->num_vertexboneweights)
  45         {
  46                 int i, k, blends;
  47                 surfmeshvertexboneweight_t *v;
  48                 float *out, *matrix, m[12], bonepose[256][12];
  49                 // vertex weighted skeletal
  50                 // interpolate matrices and concatenate them to their parents
  51                 for (i = 0;i < model->num_bones;i++)
  52                 {
  53                         for (k = 0;k < 12;k++)
  54                                 m[k] = 0;
  55                         for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
  56                         {
  57                                 matrix = model->data_poses + (frameblend[blends].frame * model->num_bones + i) * 12;
  58                                 for (k = 0;k < 12;k++)
  59                                         m[k] += matrix[k] * frameblend[blends].lerp;
  60                         }
  61                         if (i == r_skeletal_debugbone.integer)
  62                                 m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value;
  63                         m[3] *= r_skeletal_debugtranslatex.value;
  64                         m[7] *= r_skeletal_debugtranslatey.value;
  65                         m[11] *= r_skeletal_debugtranslatez.value;
  66                         if (model->data_bones[i].parent >= 0)
  67                                 R_ConcatTransforms(bonepose[model->data_bones[i].parent], m, bonepose[i]);
  68                         else
  69                                 for (k = 0;k < 12;k++)
  70                                         bonepose[i][k] = m[k];
  71                 }
  72                 // blend the vertex bone weights
  73                 memset(out3f, 0, mesh->num_vertices * sizeof(float[3]));
  74                 v = mesh->data_vertexboneweights;
  75                 for (i = 0;i < mesh->num_vertexboneweights;i++, v++)
  76                 {
  77                         out = out3f + v->vertexindex * 3;
  78                         matrix = bonepose[v->boneindex];
  79                         // FIXME: this can very easily be optimized with SSE or 3DNow
  80                         out[0] += v->origin[0] * matrix[0] + v->origin[1] * matrix[1] + v->origin[2] * matrix[ 2] + v->origin[3] * matrix[ 3];
  81                         out[1] += v->origin[0] * matrix[4] + v->origin[1] * matrix[5] + v->origin[2] * matrix[ 6] + v->origin[3] * matrix[ 7];
  82                         out[2] += v->origin[0] * matrix[8] + v->origin[1] * matrix[9] + v->origin[2] * matrix[10] + v->origin[3] * matrix[11];
  83                 }
  84         }
  85         else
  86         {
  87                 int i, vertcount;
  88                 float lerp1, lerp2, lerp3, lerp4;
  89                 const float *vertsbase, *verts1, *verts2, *verts3, *verts4;
  90                 // vertex morph
  91                 if (!mesh->data_morphvertex3f)
  92                         Host_Error("model %s has no skeletal or vertex morph animation data\n", model->name);
  93                 vertsbase = mesh->data_morphvertex3f;
  94                 vertcount = mesh->num_vertices;
  95                 verts1 = vertsbase + frameblend[0].frame * vertcount * 3;
  96                 lerp1 = frameblend[0].lerp;
  97                 if (frameblend[1].lerp)
  98                 {
  99                         verts2 = vertsbase + frameblend[1].frame * vertcount * 3;
 100                         lerp2 = frameblend[1].lerp;
 101                         if (frameblend[2].lerp)
 102                         {
 103                                 verts3 = vertsbase + frameblend[2].frame * vertcount * 3;
 104                                 lerp3 = frameblend[2].lerp;
 105                                 if (frameblend[3].lerp)
 106                                 {
 107                                         verts4 = vertsbase + frameblend[3].frame * vertcount * 3;
 108                                         lerp4 = frameblend[3].lerp;
 109                                         for (i = 0;i < vertcount * 3;i++)
 110                                                 VectorMAMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, lerp4, verts4 + i, out3f + i);
 111                                 }
 112                                 else
 113                                         for (i = 0;i < vertcount * 3;i++)
 114                                                 VectorMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, out3f + i);
 115                         }
 116                         else
 117                                 for (i = 0;i < vertcount * 3;i++)
 118                                         VectorMAM(lerp1, verts1 + i, lerp2, verts2 + i, out3f + i);
 119                 }
 120                 else
 121                         memcpy(out3f, verts1, vertcount * sizeof(float[3]));
 122         }
 123 }
 124
 125 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
 126 {
 127         const float *boneframe;
 128         float tempbonematrix[12], bonematrix[12];
 129         Matrix4x4_CreateIdentity(outmatrix);
 130         if (model->num_bones)
 131         {
 132                 if (tagindex < 0 || tagindex >= model->num_bones)
 133                         return 4;
 134                 if (poseframe >= model->num_poses)
 135                         return 6;
 136                 boneframe = model->data_poses + poseframe * model->num_bones * 12;
 137                 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
 138                 while (model->data_bones[tagindex].parent >= 0)
 139                 {
 140                         memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
 141                         R_ConcatTransforms(boneframe + model->data_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
 142                         tagindex = model->data_bones[tagindex].parent;
 143                 }
 144                 outmatrix->m[0][0] = bonematrix[0];
 145                 outmatrix->m[0][1] = bonematrix[1];
 146                 outmatrix->m[0][2] = bonematrix[2];
 147                 outmatrix->m[0][3] = bonematrix[3];
 148                 outmatrix->m[1][0] = bonematrix[4];
 149                 outmatrix->m[1][1] = bonematrix[5];
 150                 outmatrix->m[1][2] = bonematrix[6];
 151                 outmatrix->m[1][3] = bonematrix[7];
 152                 outmatrix->m[2][0] = bonematrix[8];
 153                 outmatrix->m[2][1] = bonematrix[9];
 154                 outmatrix->m[2][2] = bonematrix[10];
 155                 outmatrix->m[2][3] = bonematrix[11];
 156                 outmatrix->m[3][0] = 0;
 157                 outmatrix->m[3][1] = 0;
 158                 outmatrix->m[3][2] = 0;
 159                 outmatrix->m[3][3] = 1;
 160         }
 161         else if (model->num_tags)
 162         {
 163                 if (tagindex < 0 || tagindex >= model->num_tags)
 164                         return 4;
 165                 if (poseframe >= model->num_tagframes)
 166                         return 6;
 167                 *outmatrix = model->data_tags[poseframe * model->num_tags + tagindex].matrix;
 168         }
 169         return 0;
 170 }
 171
 172 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
 173 {
 174         int i;
 175         if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
 176                 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
 177                         if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
 178                                 return i + 1;
 179         if (model->num_bones)
 180                 for (i = 0;i < model->num_bones;i++)
 181                         if (!strcasecmp(tagname, model->data_bones[i].name))
 182                                 return i + 1;
 183         if (model->num_tags)
 184                 for (i = 0;i < model->num_tags;i++)
 185                         if (!strcasecmp(tagname, model->data_tags[i].name))
 186                                 return i + 1;
 187         return 0;
 188 }
 189
 190 static void Mod_Alias_Mesh_CompileFrameZero(surfmesh_t *mesh)
 191 {
 192         frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
 193         mesh->data_vertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[3][4]));
 194         mesh->data_svector3f = mesh->data_vertex3f + mesh->num_vertices * 3;
 195         mesh->data_tvector3f = mesh->data_vertex3f + mesh->num_vertices * 6;
 196         mesh->data_normal3f = mesh->data_vertex3f + mesh->num_vertices * 9;
 197         Mod_Alias_GetMesh_Vertex3f(loadmodel, frameblend, mesh, mesh->data_vertex3f);
 198         Mod_BuildTextureVectorsAndNormals(0, mesh->num_vertices, mesh->num_triangles, mesh->data_vertex3f, mesh->data_texcoordtexture2f, mesh->data_element3i, mesh->data_svector3f, mesh->data_tvector3f, mesh->data_normal3f, true);
 199 }
 200
 201 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)
 202 {
 203         int i, linetrace;
 204         float segmentmins[3], segmentmaxs[3];
 205         frameblend_t frameblend[4];
 206         msurface_t *surface;
 207         surfmesh_t *mesh;
 208         colbrushf_t *thisbrush_start = NULL, *thisbrush_end = NULL;
 209         matrix4x4_t startmatrix, endmatrix;
 210         memset(trace, 0, sizeof(*trace));
 211         trace->fraction = 1;
 212         trace->realfraction = 1;
 213         trace->hitsupercontentsmask = hitsupercontentsmask;
 214         segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
 215         segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
 216         segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
 217         segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
 218         segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
 219         segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
 220         linetrace = VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs);
 221         if (!linetrace)
 222         {
 223                 // box trace, performed as brush trace
 224                 Matrix4x4_CreateIdentity(&startmatrix);
 225                 Matrix4x4_CreateIdentity(&endmatrix);
 226                 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
 227                 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
 228         }
 229         memset(frameblend, 0, sizeof(frameblend));
 230         frameblend[0].frame = frame;
 231         frameblend[0].lerp = 1;
 232         for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
 233         {
 234                 mesh = surface->groupmesh;
 235                 Mod_Alias_GetMesh_Vertex3f(model, frameblend, mesh, varray_vertex3f);
 236                 if (linetrace)
 237                         Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, mesh->num_triangles, mesh->data_element3i, varray_vertex3f, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
 238                 else
 239                         Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, mesh->num_triangles, mesh->data_element3i, varray_vertex3f, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
 240         }
 241 }
 242
 243 static void Mod_CalcAliasModelBBoxes (void)
 244 {
 245         int vnum, meshnum;
 246         float dist, yawradius, radius;
 247         surfmesh_t *mesh;
 248         float *v;
 249         VectorClear(loadmodel->normalmins);
 250         VectorClear(loadmodel->normalmaxs);
 251         yawradius = 0;
 252         radius = 0;
 253         for (meshnum = 0;meshnum < loadmodel->num_surfaces;meshnum++)
 254         {
 255                 mesh = loadmodel->meshlist[meshnum];
 256                 for (vnum = 0, v = mesh->data_morphvertex3f;vnum < mesh->num_vertices * mesh->num_morphframes;vnum++, v += 3)
 257                 {
 258                         if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
 259                         if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
 260                         if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
 261                         if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
 262                         if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
 263                         if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
 264                         dist = v[0] * v[0] + v[1] * v[1];
 265                         if (yawradius < dist)
 266                                 yawradius = dist;
 267                         dist += v[2] * v[2];
 268                         if (radius < dist)
 269                                 radius = dist;
 270                 }
 271         }
 272         radius = sqrt(radius);
 273         yawradius = sqrt(yawradius);
 274         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
 275         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
 276         loadmodel->yawmins[2] = loadmodel->normalmins[2];
 277         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 278         loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
 279         loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
 280         loadmodel->radius = radius;
 281         loadmodel->radius2 = radius * radius;
 282 }
 283
 284 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
 285 {
 286         int i, j;
 287         vec3_t temp;
 288         for (i = 0;i < inverts;i++)
 289         {
 290                 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
 291                         continue;
 292                 temp[0] = v[i].v[0] * scale[0] + translate[0];
 293                 temp[1] = v[i].v[1] * scale[1] + translate[1];
 294                 temp[2] = v[i].v[2] * scale[2] + translate[2];
 295                 j = vertremap[i]; // not onseam
 296                 if (j >= 0)
 297                         VectorCopy(temp, out3f + j * 3);
 298                 j = vertremap[i+inverts]; // onseam
 299                 if (j >= 0)
 300                         VectorCopy(temp, out3f + j * 3);
 301         }
 302 }
 303
 304 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
 305 {
 306         int i, f, pose, groupframes;
 307         float interval;
 308         daliasframetype_t *pframetype;
 309         daliasframe_t *pinframe;
 310         daliasgroup_t *group;
 311         daliasinterval_t *intervals;
 312         animscene_t *scene;
 313         pose = 0;
 314         scene = loadmodel->animscenes;
 315         for (f = 0;f < loadmodel->numframes;f++)
 316         {
 317                 pframetype = (daliasframetype_t *)datapointer;
 318                 datapointer += sizeof(daliasframetype_t);
 319                 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
 320                 {
 321                         // a single frame is still treated as a group
 322                         interval = 0.1f;
 323                         groupframes = 1;
 324                 }
 325                 else
 326                 {
 327                         // read group header
 328                         group = (daliasgroup_t *)datapointer;
 329                         datapointer += sizeof(daliasgroup_t);
 330                         groupframes = LittleLong (group->numframes);
 331
 332                         // intervals (time per frame)
 333                         intervals = (daliasinterval_t *)datapointer;
 334                         datapointer += sizeof(daliasinterval_t) * groupframes;
 335
 336                         interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
 337                         if (interval < 0.01f)
 338                         {
 339                                 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
 340                                 interval = 0.1f;
 341                         }
 342                 }
 343
 344                 // get scene name from first frame
 345                 pinframe = (daliasframe_t *)datapointer;
 346
 347                 strcpy(scene->name, pinframe->name);
 348                 scene->firstframe = pose;
 349                 scene->framecount = groupframes;
 350                 scene->framerate = 1.0f / interval;
 351                 scene->loop = true;
 352                 scene++;
 353
 354                 // read frames
 355                 for (i = 0;i < groupframes;i++)
 356                 {
 357                         pinframe = (daliasframe_t *)datapointer;
 358                         datapointer += sizeof(daliasframe_t);
 359                         Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->meshlist[0]->data_morphvertex3f + pose * loadmodel->meshlist[0]->num_vertices * 3, vertremap);
 360                         datapointer += sizeof(trivertx_t) * inverts;
 361                         pose++;
 362                 }
 363         }
 364 }
 365
 366 static skinframe_t missingskinframe;
 367 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *skin, skinframe_t *skinframe)
 368 {
 369         // hack
 370         if (skinframe == NULL)
 371         {
 372                 skinframe = &missingskinframe;
 373                 memset(skinframe, 0, sizeof(*skinframe));
 374                 skinframe->base = r_texture_notexture;
 375         }
 376
 377         skin->skin = *skinframe;
 378         skin->currentframe = skin;
 379         skin->basematerialflags = MATERIALFLAG_WALL;
 380         if (skin->skin.fog)
 381                 skin->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
 382         skin->currentmaterialflags = skin->basematerialflags;
 383 }
 384
 385 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
 386 {
 387         int i;
 388         skinfileitem_t *skinfileitem;
 389         skinframe_t tempskinframe;
 390         if (skinfile)
 391         {
 392                 // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
 393                 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin += loadmodel->num_surfaces)
 394                 {
 395                         memset(skin, 0, sizeof(*skin));
 396                         for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
 397                         {
 398                                 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
 399                                 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
 400                                 {
 401                                         memset(&tempskinframe, 0, sizeof(tempskinframe));
 402                                         if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 403                                                 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 404                                         else
 405                                         {
 406                                                 if (cls.state != ca_dedicated)
 407                                                         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);
 408                                                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 409                                                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 410                                                 else
 411                                                 {
 412                                                         if (cls.state != ca_dedicated)
 413                                                                 Con_Printf("failed to load skin \"%s\"\n", shadername);
 414                                                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 415                                                 }
 416                                         }
 417                                 }
 418                         }
 419                 }
 420         }
 421         else
 422         {
 423                 memset(&tempskinframe, 0, sizeof(tempskinframe));
 424                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 425                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 426                 else
 427                 {
 428                         if (cls.state != ca_dedicated)
 429                                 Con_Printf("Can't find texture \"%s\" for mesh \"%s\", using grey checkerboard\n", shadername, meshname);
 430                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 431                 }
 432         }
 433 }
 434
 435 #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);
 436 #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);
 437 extern void R_Q1BSP_Draw(entity_render_t *ent);
 438 extern void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
 439 extern void R_Q1BSP_DrawLight(entity_render_t *ent, float *lightcolor, int numsurfaces, const int *surfacelist);
 440 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
 441 {
 442         int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
 443         float scales, scalet, scale[3], translate[3], interval;
 444         msurface_t *surface;
 445         qbyte *data;
 446         mdl_t *pinmodel;
 447         stvert_t *pinstverts;
 448         dtriangle_t *pintriangles;
 449         daliasskintype_t *pinskintype;
 450         daliasskingroup_t *pinskingroup;
 451         daliasskininterval_t *pinskinintervals;
 452         daliasframetype_t *pinframetype;
 453         daliasgroup_t *pinframegroup;
 454         qbyte *datapointer, *startframes, *startskins;
 455         char name[MAX_QPATH];
 456         skinframe_t tempskinframe;
 457         animscene_t *tempskinscenes;
 458         texture_t *tempaliasskins;
 459         float *vertst;
 460         int *vertonseam, *vertremap;
 461         skinfile_t *skinfiles;
 462
 463         datapointer = buffer;
 464         pinmodel = (mdl_t *)datapointer;
 465         datapointer += sizeof(mdl_t);
 466
 467         version = LittleLong (pinmodel->version);
 468         if (version != ALIAS_VERSION)
 469                 Host_Error ("%s has wrong version number (%i should be %i)",
 470                                  loadmodel->name, version, ALIAS_VERSION);
 471
 472         loadmodel->type = mod_alias;
 473         loadmodel->DrawSky = NULL;
 474         loadmodel->Draw = R_Q1BSP_Draw;
 475         loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
 476         loadmodel->DrawLight = R_Q1BSP_DrawLight;
 477         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 478
 479         loadmodel->num_surfaces = 1;
 480         loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
 481         loadmodel->nummeshes = loadmodel->num_surfaces;
 482         data = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t));
 483         loadmodel->data_surfaces = (void *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
 484         loadmodel->surfacelist = (void *)data;data += loadmodel->num_surfaces * sizeof(int);
 485         loadmodel->meshlist = (void *)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
 486         for (i = 0;i < loadmodel->num_surfaces;i++)
 487         {
 488                 loadmodel->surfacelist[i] = i;
 489                 loadmodel->meshlist[i] = (void *)data;data += sizeof(surfmesh_t);
 490         }
 491
 492         loadmodel->numskins = LittleLong(pinmodel->numskins);
 493         BOUNDI(loadmodel->numskins,0,65536);
 494         skinwidth = LittleLong (pinmodel->skinwidth);
 495         BOUNDI(skinwidth,0,65536);
 496         skinheight = LittleLong (pinmodel->skinheight);
 497         BOUNDI(skinheight,0,65536);
 498         numverts = LittleLong(pinmodel->numverts);
 499         BOUNDI(numverts,0,65536);
 500         loadmodel->meshlist[0]->num_triangles = LittleLong(pinmodel->numtris);
 501         BOUNDI(loadmodel->meshlist[0]->num_triangles,0,65536);
 502         loadmodel->numframes = LittleLong(pinmodel->numframes);
 503         BOUNDI(loadmodel->numframes,0,65536);
 504         loadmodel->synctype = LittleLong (pinmodel->synctype);
 505         BOUNDI(loadmodel->synctype,0,2);
 506         loadmodel->flags = LittleLong (pinmodel->flags);
 507
 508         for (i = 0;i < 3;i++)
 509         {
 510                 scale[i] = LittleFloat (pinmodel->scale[i]);
 511                 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
 512         }
 513
 514         startskins = datapointer;
 515         totalskins = 0;
 516         for (i = 0;i < loadmodel->numskins;i++)
 517         {
 518                 pinskintype = (daliasskintype_t *)datapointer;
 519                 datapointer += sizeof(daliasskintype_t);
 520                 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
 521                         groupskins = 1;
 522                 else
 523                 {
 524                         pinskingroup = (daliasskingroup_t *)datapointer;
 525                         datapointer += sizeof(daliasskingroup_t);
 526                         groupskins = LittleLong(pinskingroup->numskins);
 527                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 528                 }
 529
 530                 for (j = 0;j < groupskins;j++)
 531                 {
 532                         datapointer += skinwidth * skinheight;
 533                         totalskins++;
 534                 }
 535         }
 536
 537         pinstverts = (stvert_t *)datapointer;
 538         datapointer += sizeof(stvert_t) * numverts;
 539
 540         pintriangles = (dtriangle_t *)datapointer;
 541         datapointer += sizeof(dtriangle_t) * loadmodel->meshlist[0]->num_triangles;
 542
 543         startframes = datapointer;
 544         loadmodel->meshlist[0]->num_morphframes = 0;
 545         for (i = 0;i < loadmodel->numframes;i++)
 546         {
 547                 pinframetype = (daliasframetype_t *)datapointer;
 548                 datapointer += sizeof(daliasframetype_t);
 549                 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
 550                         groupframes = 1;
 551                 else
 552                 {
 553                         pinframegroup = (daliasgroup_t *)datapointer;
 554                         datapointer += sizeof(daliasgroup_t);
 555                         groupframes = LittleLong(pinframegroup->numframes);
 556                         datapointer += sizeof(daliasinterval_t) * groupframes;
 557                 }
 558
 559                 for (j = 0;j < groupframes;j++)
 560                 {
 561                         datapointer += sizeof(daliasframe_t);
 562                         datapointer += sizeof(trivertx_t) * numverts;
 563                         loadmodel->meshlist[0]->num_morphframes++;
 564                 }
 565         }
 566
 567         // store texture coordinates into temporary array, they will be stored
 568         // after usage is determined (triangle data)
 569         vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
 570         vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
 571         vertonseam = vertremap + numverts * 2;
 572
 573         scales = 1.0 / skinwidth;
 574         scalet = 1.0 / skinheight;
 575         for (i = 0;i < numverts;i++)
 576         {
 577                 vertonseam[i] = LittleLong(pinstverts[i].onseam);
 578                 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
 579                 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
 580                 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
 581                 vertst[(i+numverts)*2+1] = vertst[i*2+1];
 582         }
 583
 584 // load triangle data
 585         loadmodel->meshlist[0]->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->meshlist[0]->num_triangles);
 586
 587         // read the triangle elements
 588         for (i = 0;i < loadmodel->meshlist[0]->num_triangles;i++)
 589                 for (j = 0;j < 3;j++)
 590                         loadmodel->meshlist[0]->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
 591         // validate (note numverts is used because this is the original data)
 592         Mod_ValidateElements(loadmodel->meshlist[0]->data_element3i, loadmodel->meshlist[0]->num_triangles, numverts, __FILE__, __LINE__);
 593         // now butcher the elements according to vertonseam and tri->facesfront
 594         // and then compact the vertex set to remove duplicates
 595         for (i = 0;i < loadmodel->meshlist[0]->num_triangles;i++)
 596                 if (!LittleLong(pintriangles[i].facesfront)) // backface
 597                         for (j = 0;j < 3;j++)
 598                                 if (vertonseam[loadmodel->meshlist[0]->data_element3i[i*3+j]])
 599                                         loadmodel->meshlist[0]->data_element3i[i*3+j] += numverts;
 600         // count the usage
 601         // (this uses vertremap to count usage to save some memory)
 602         for (i = 0;i < numverts*2;i++)
 603                 vertremap[i] = 0;
 604         for (i = 0;i < loadmodel->meshlist[0]->num_triangles*3;i++)
 605                 vertremap[loadmodel->meshlist[0]->data_element3i[i]]++;
 606         // build remapping table and compact array
 607         loadmodel->meshlist[0]->num_vertices = 0;
 608         for (i = 0;i < numverts*2;i++)
 609         {
 610                 if (vertremap[i])
 611                 {
 612                         vertremap[i] = loadmodel->meshlist[0]->num_vertices;
 613                         vertst[loadmodel->meshlist[0]->num_vertices*2+0] = vertst[i*2+0];
 614                         vertst[loadmodel->meshlist[0]->num_vertices*2+1] = vertst[i*2+1];
 615                         loadmodel->meshlist[0]->num_vertices++;
 616                 }
 617                 else
 618                         vertremap[i] = -1; // not used at all
 619         }
 620         // remap the elements to the new vertex set
 621         for (i = 0;i < loadmodel->meshlist[0]->num_triangles * 3;i++)
 622                 loadmodel->meshlist[0]->data_element3i[i] = vertremap[loadmodel->meshlist[0]->data_element3i[i]];
 623         // store the texture coordinates
 624         loadmodel->meshlist[0]->data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->meshlist[0]->num_vertices);
 625         for (i = 0;i < loadmodel->meshlist[0]->num_vertices;i++)
 626         {
 627                 loadmodel->meshlist[0]->data_texcoordtexture2f[i*2+0] = vertst[i*2+0];
 628                 loadmodel->meshlist[0]->data_texcoordtexture2f[i*2+1] = vertst[i*2+1];
 629         }
 630
 631 // load the frames
 632         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 633         loadmodel->meshlist[0]->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * loadmodel->meshlist[0]->num_morphframes * loadmodel->meshlist[0]->num_vertices);
 634         loadmodel->meshlist[0]->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->meshlist[0]->num_triangles * sizeof(int[3]));
 635         Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
 636         Mod_BuildTriangleNeighbors(loadmodel->meshlist[0]->data_neighbor3i, loadmodel->meshlist[0]->data_element3i, loadmodel->meshlist[0]->num_triangles);
 637         Mod_CalcAliasModelBBoxes();
 638         Mod_Alias_Mesh_CompileFrameZero(loadmodel->meshlist[0]);
 639
 640         Mem_Free(vertst);
 641         Mem_Free(vertremap);
 642
 643         // load the skins
 644         skinfiles = Mod_LoadSkinFiles();
 645         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
 646         loadmodel->num_textures = loadmodel->num_surfaces;
 647         loadmodel->data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
 648         if (skinfiles)
 649         {
 650                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
 651                 Mod_FreeSkinFiles(skinfiles);
 652                 for (i = 0;i < loadmodel->numskins;i++)
 653                 {
 654                         loadmodel->skinscenes[i].firstframe = i;
 655                         loadmodel->skinscenes[i].framecount = 1;
 656                         loadmodel->skinscenes[i].loop = true;
 657                         loadmodel->skinscenes[i].framerate = 10;
 658                 }
 659         }
 660         else
 661         {
 662                 totalskins = 0;
 663                 datapointer = startskins;
 664                 for (i = 0;i < loadmodel->numskins;i++)
 665                 {
 666                         pinskintype = (daliasskintype_t *)datapointer;
 667                         datapointer += sizeof(daliasskintype_t);
 668
 669                         if (pinskintype->type == ALIAS_SKIN_SINGLE)
 670                         {
 671                                 groupskins = 1;
 672                                 interval = 0.1f;
 673                         }
 674                         else
 675                         {
 676                                 pinskingroup = (daliasskingroup_t *)datapointer;
 677                                 datapointer += sizeof(daliasskingroup_t);
 678
 679                                 groupskins = LittleLong (pinskingroup->numskins);
 680
 681                                 pinskinintervals = (daliasskininterval_t *)datapointer;
 682                                 datapointer += sizeof(daliasskininterval_t) * groupskins;
 683
 684                                 interval = LittleFloat(pinskinintervals[0].interval);
 685                                 if (interval < 0.01f)
 686                                 {
 687                                         Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
 688                                         interval = 0.1f;
 689                                 }
 690                         }
 691
 692                         sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
 693                         loadmodel->skinscenes[i].firstframe = totalskins;
 694                         loadmodel->skinscenes[i].framecount = groupskins;
 695                         loadmodel->skinscenes[i].framerate = 1.0f / interval;
 696                         loadmodel->skinscenes[i].loop = true;
 697
 698                         for (j = 0;j < groupskins;j++)
 699                         {
 700                                 if (groupskins > 1)
 701                                         sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
 702                                 else
 703                                         sprintf (name, "%s_%i", loadmodel->name, i);
 704                                 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
 705                                         Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, false, r_fullbrights.integer, (qbyte *)datapointer, skinwidth, skinheight);
 706                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
 707                                 datapointer += skinwidth * skinheight;
 708                                 totalskins++;
 709                         }
 710                 }
 711                 // check for skins that don't exist in the model, but do exist as external images
 712                 // (this was added because yummyluv kept pestering me about support for it)
 713                 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
 714                 {
 715                         // expand the arrays to make room
 716                         tempskinscenes = loadmodel->skinscenes;
 717                         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
 718                         memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
 719                         Mem_Free(tempskinscenes);
 720
 721                         tempaliasskins = loadmodel->data_textures;
 722                         loadmodel->data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
 723                         memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
 724                         Mem_Free(tempaliasskins);
 725
 726                         // store the info about the new skin
 727                         Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
 728                         strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
 729                         loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
 730                         loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
 731                         loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
 732                         loadmodel->skinscenes[loadmodel->numskins].loop = true;
 733
 734                         //increase skin counts
 735                         loadmodel->numskins++;
 736                         totalskins++;
 737                 }
 738         }
 739
 740         surface = loadmodel->data_surfaces;
 741         surface->texture = loadmodel->data_textures;
 742         surface->groupmesh = loadmodel->meshlist[0];
 743         surface->num_firsttriangle = 0;
 744         surface->num_triangles = surface->groupmesh->num_triangles;
 745         surface->num_firstvertex = 0;
 746         surface->num_vertices = surface->groupmesh->num_vertices;
 747 }
 748
 749 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
 750 {
 751         int i;
 752         trivertx_t *in;
 753         for (i = 0;i < numverts;i++, out3f += 3)
 754         {
 755                 in = v + vertremap[i];
 756                 out3f[0] = in->v[0] * scale[0] + translate[0];
 757                 out3f[1] = in->v[1] * scale[1] + translate[1];
 758                 out3f[2] = in->v[2] * scale[2] + translate[2];
 759         }
 760 }
 761
 762 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
 763 {
 764         int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
 765         float *stverts, s, t, scale[3], translate[3];
 766         qbyte *data;
 767         msurface_t *surface;
 768         md2_t *pinmodel;
 769         qbyte *base, *datapointer;
 770         md2frame_t *pinframe;
 771         char *inskin;
 772         md2triangle_t *intri;
 773         unsigned short *inst;
 774         struct md2verthash_s
 775         {
 776                 struct md2verthash_s *next;
 777                 int xyz;
 778                 float st[2];
 779         }
 780         *hash, **md2verthash, *md2verthashdata;
 781         skinframe_t tempskinframe;
 782         skinfile_t *skinfiles;
 783
 784         pinmodel = buffer;
 785         base = buffer;
 786
 787         version = LittleLong (pinmodel->version);
 788         if (version != MD2ALIAS_VERSION)
 789                 Host_Error ("%s has wrong version number (%i should be %i)",
 790                         loadmodel->name, version, MD2ALIAS_VERSION);
 791
 792         loadmodel->type = mod_alias;
 793         loadmodel->DrawSky = NULL;
 794         loadmodel->Draw = R_Q1BSP_Draw;
 795         loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
 796         loadmodel->DrawLight = R_Q1BSP_DrawLight;
 797         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 798
 799         if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
 800                 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
 801         if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
 802                 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
 803         if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
 804                 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
 805         if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
 806                 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
 807
 808         end = LittleLong(pinmodel->ofs_end);
 809         if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
 810                 Host_Error ("%s is not a valid model", loadmodel->name);
 811         if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
 812                 Host_Error ("%s is not a valid model", loadmodel->name);
 813         if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
 814                 Host_Error ("%s is not a valid model", loadmodel->name);
 815         if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
 816                 Host_Error ("%s is not a valid model", loadmodel->name);
 817         if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
 818                 Host_Error ("%s is not a valid model", loadmodel->name);
 819
 820         loadmodel->num_surfaces = 1;
 821         loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
 822         loadmodel->nummeshes = loadmodel->num_surfaces;
 823         data = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t));
 824         loadmodel->data_surfaces = (void *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
 825         loadmodel->surfacelist = (void *)data;data += loadmodel->num_surfaces * sizeof(int);
 826         loadmodel->meshlist = (void *)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
 827         for (i = 0;i < loadmodel->num_surfaces;i++)
 828         {
 829                 loadmodel->surfacelist[i] = i;
 830                 loadmodel->meshlist[i] = (void *)data;data += sizeof(surfmesh_t);
 831         }
 832
 833         loadmodel->numskins = LittleLong(pinmodel->num_skins);
 834         numxyz = LittleLong(pinmodel->num_xyz);
 835         numst = LittleLong(pinmodel->num_st);
 836         loadmodel->meshlist[0]->num_triangles = LittleLong(pinmodel->num_tris);
 837         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 838         loadmodel->meshlist[0]->num_morphframes = loadmodel->numframes;
 839         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 840
 841         loadmodel->flags = 0; // there are no MD2 flags
 842         loadmodel->synctype = ST_RAND;
 843
 844         // load the skins
 845         inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
 846         skinfiles = Mod_LoadSkinFiles();
 847         if (skinfiles)
 848         {
 849                 loadmodel->num_textures = loadmodel->num_surfaces;
 850                 loadmodel->data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
 851                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
 852                 Mod_FreeSkinFiles(skinfiles);
 853         }
 854         else if (loadmodel->numskins)
 855         {
 856                 // skins found (most likely not a player model)
 857                 loadmodel->num_textures = loadmodel->num_surfaces;
 858                 loadmodel->data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
 859                 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
 860                 {
 861                         if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 862                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, &tempskinframe);
 863                         else
 864                         {
 865                                 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
 866                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, NULL);
 867                         }
 868                 }
 869         }
 870         else
 871         {
 872                 // no skins (most likely a player model)
 873                 loadmodel->numskins = 1;
 874                 loadmodel->num_textures = loadmodel->num_surfaces;
 875                 loadmodel->data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
 876                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
 877         }
 878
 879         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 880         for (i = 0;i < loadmodel->numskins;i++)
 881         {
 882                 loadmodel->skinscenes[i].firstframe = i;
 883                 loadmodel->skinscenes[i].framecount = 1;
 884                 loadmodel->skinscenes[i].loop = true;
 885                 loadmodel->skinscenes[i].framerate = 10;
 886         }
 887
 888         // load the triangles and stvert data
 889         inst = (void*)(base + LittleLong(pinmodel->ofs_st));
 890         intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
 891         skinwidth = LittleLong(pinmodel->skinwidth);
 892         skinheight = LittleLong(pinmodel->skinheight);
 893
 894         stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
 895         s = 1.0f / skinwidth;
 896         t = 1.0f / skinheight;
 897         for (i = 0;i < numst;i++)
 898         {
 899                 j = (unsigned short) LittleShort(inst[i*2+0]);
 900                 k = (unsigned short) LittleShort(inst[i*2+1]);
 901                 if (j >= skinwidth || k >= skinheight)
 902                 {
 903                         Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, j, k, i);
 904                         j = 0;
 905                         k = 0;
 906                 }
 907                 stverts[i*2+0] = j * s;
 908                 stverts[i*2+1] = k * t;
 909         }
 910
 911         md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
 912         md2verthashdata = Mem_Alloc(tempmempool, loadmodel->meshlist[0]->num_triangles * 3 * sizeof(*hash));
 913         // swap the triangle list
 914         num = 0;
 915         loadmodel->meshlist[0]->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->meshlist[0]->num_triangles * sizeof(int[3]));
 916         for (i = 0;i < loadmodel->meshlist[0]->num_triangles;i++)
 917         {
 918                 for (j = 0;j < 3;j++)
 919                 {
 920                         xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
 921                         st = (unsigned short) LittleShort (intri[i].index_st[j]);
 922                         if (xyz >= numxyz)
 923                         {
 924                                 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
 925                                 xyz = 0;
 926                         }
 927                         if (st >= numst)
 928                         {
 929                                 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
 930                                 st = 0;
 931                         }
 932                         s = stverts[st*2+0];
 933                         t = stverts[st*2+1];
 934                         hashindex = (xyz * 17 + st) & 255;
 935                         for (hash = md2verthash[hashindex];hash;hash = hash->next)
 936                                 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
 937                                         break;
 938                         if (hash == NULL)
 939                         {
 940                                 hash = md2verthashdata + num++;
 941                                 hash->xyz = xyz;
 942                                 hash->st[0] = s;
 943                                 hash->st[1] = t;
 944                                 hash->next = md2verthash[hashindex];
 945                                 md2verthash[hashindex] = hash;
 946                         }
 947                         loadmodel->meshlist[0]->data_element3i[i*3+j] = (hash - md2verthashdata);
 948                 }
 949         }
 950
 951         Mem_Free(stverts);
 952
 953         numverts = num;
 954         loadmodel->meshlist[0]->num_vertices = numverts;
 955         vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
 956         loadmodel->meshlist[0]->data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
 957         for (i = 0;i < num;i++)
 958         {
 959                 hash = md2verthashdata + i;
 960                 vertremap[i] = hash->xyz;
 961                 loadmodel->meshlist[0]->data_texcoordtexture2f[i*2+0] = hash->st[0];
 962                 loadmodel->meshlist[0]->data_texcoordtexture2f[i*2+1] = hash->st[1];
 963         }
 964
 965         Mem_Free(md2verthash);
 966         Mem_Free(md2verthashdata);
 967
 968         // load the frames
 969         datapointer = (base + LittleLong(pinmodel->ofs_frames));
 970         loadmodel->meshlist[0]->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->meshlist[0]->num_morphframes * sizeof(float[3]));
 971         for (i = 0;i < loadmodel->meshlist[0]->num_morphframes;i++)
 972         {
 973                 pinframe = (md2frame_t *)datapointer;
 974                 datapointer += sizeof(md2frame_t);
 975                 for (j = 0;j < 3;j++)
 976                 {
 977                         scale[j] = LittleFloat(pinframe->scale[j]);
 978                         translate[j] = LittleFloat(pinframe->translate[j]);
 979                 }
 980                 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->meshlist[0]->data_morphvertex3f + i * numverts * 3, numverts, vertremap);
 981                 datapointer += numxyz * sizeof(trivertx_t);
 982
 983                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 984                 loadmodel->animscenes[i].firstframe = i;
 985                 loadmodel->animscenes[i].framecount = 1;
 986                 loadmodel->animscenes[i].framerate = 10;
 987                 loadmodel->animscenes[i].loop = true;
 988         }
 989
 990         Mem_Free(vertremap);
 991
 992         loadmodel->meshlist[0]->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->meshlist[0]->num_triangles * sizeof(int[3]));
 993         Mod_BuildTriangleNeighbors(loadmodel->meshlist[0]->data_neighbor3i, loadmodel->meshlist[0]->data_element3i, loadmodel->meshlist[0]->num_triangles);
 994         Mod_CalcAliasModelBBoxes();
 995         Mod_Alias_Mesh_CompileFrameZero(loadmodel->meshlist[0]);
 996
 997         surface = loadmodel->data_surfaces;
 998         surface->groupmesh = loadmodel->meshlist[0];
 999         surface->texture = loadmodel->data_textures;
1000         surface->num_firsttriangle = 0;
1001         surface->num_triangles = surface->groupmesh->num_triangles;
1002         surface->num_firstvertex = 0;
1003         surface->num_vertices = surface->groupmesh->num_vertices;
1004 }
1005
1006 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
1007 {
1008         int i, j, k, version;
1009         qbyte *data;
1010         msurface_t *surface;
1011         surfmesh_t *mesh;
1012         md3modelheader_t *pinmodel;
1013         md3frameinfo_t *pinframe;
1014         md3mesh_t *pinmesh;
1015         md3tag_t *pintag;
1016         skinfile_t *skinfiles;
1017
1018         pinmodel = buffer;
1019
1020         if (memcmp(pinmodel->identifier, "IDP3", 4))
1021                 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
1022         version = LittleLong (pinmodel->version);
1023         if (version != MD3VERSION)
1024                 Host_Error ("%s has wrong version number (%i should be %i)",
1025                         loadmodel->name, version, MD3VERSION);
1026
1027         skinfiles = Mod_LoadSkinFiles();
1028         if (loadmodel->numskins < 1)
1029                 loadmodel->numskins = 1;
1030
1031         loadmodel->type = mod_alias;
1032         loadmodel->DrawSky = NULL;
1033         loadmodel->Draw = R_Q1BSP_Draw;
1034         loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1035         loadmodel->DrawLight = R_Q1BSP_DrawLight;
1036         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1037         loadmodel->flags = LittleLong(pinmodel->flags);
1038         loadmodel->synctype = ST_RAND;
1039
1040         // set up some global info about the model
1041         loadmodel->numframes = LittleLong(pinmodel->num_frames);
1042         loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
1043
1044         // make skinscenes for the skins (no groups)
1045         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1046         for (i = 0;i < loadmodel->numskins;i++)
1047         {
1048                 loadmodel->skinscenes[i].firstframe = i;
1049                 loadmodel->skinscenes[i].framecount = 1;
1050                 loadmodel->skinscenes[i].loop = true;
1051                 loadmodel->skinscenes[i].framerate = 10;
1052         }
1053
1054         // load frameinfo
1055         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
1056         for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
1057         {
1058                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
1059                 loadmodel->animscenes[i].firstframe = i;
1060                 loadmodel->animscenes[i].framecount = 1;
1061                 loadmodel->animscenes[i].framerate = 10;
1062                 loadmodel->animscenes[i].loop = true;
1063         }
1064
1065         // load tags
1066         loadmodel->num_tagframes = loadmodel->numframes;
1067         loadmodel->num_tags = LittleLong(pinmodel->num_tags);
1068         loadmodel->data_tags = Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
1069         for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
1070         {
1071                 strcpy(loadmodel->data_tags[i].name, pintag->name);
1072                 Matrix4x4_CreateIdentity(&loadmodel->data_tags[i].matrix);
1073                 for (j = 0;j < 3;j++)
1074                 {
1075                         for (k = 0;k < 3;k++)
1076                                 loadmodel->data_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
1077                         loadmodel->data_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
1078                 }
1079                 //Con_Printf("model \"%s\" frame #%i tag #%i \"%s\"\n", loadmodel->name, i / loadmodel->num_tags, i % loadmodel->num_tags, loadmodel->data_tags[i].name);
1080         }
1081
1082         // load meshes
1083         loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1084         loadmodel->nummeshes = loadmodel->num_surfaces;
1085         loadmodel->num_textures = loadmodel->num_surfaces;
1086         data = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1087         loadmodel->data_surfaces = (void *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1088         loadmodel->surfacelist = (void *)data;data += loadmodel->num_surfaces * sizeof(int);
1089         loadmodel->meshlist = (void *)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
1090         loadmodel->data_textures = (void *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1091         for (i = 0;i < loadmodel->num_surfaces;i++)
1092         {
1093                 loadmodel->surfacelist[i] = i;
1094                 loadmodel->meshlist[i] = (void *)data;data += sizeof(surfmesh_t);
1095         }
1096         for (i = 0, pinmesh = (md3mesh_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->num_surfaces;i++, pinmesh = (md3mesh_t *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_end)))
1097         {
1098                 if (memcmp(pinmesh->identifier, "IDP3", 4))
1099                         Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
1100                 mesh = loadmodel->meshlist[i];
1101                 mesh->num_morphframes = LittleLong(pinmesh->num_frames);
1102                 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
1103                 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
1104                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1105                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1106                 mesh->data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1107                 mesh->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_morphframes * sizeof(float[3]));
1108                 for (j = 0;j < mesh->num_triangles * 3;j++)
1109                         mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1110                 for (j = 0;j < mesh->num_vertices;j++)
1111                 {
1112                         mesh->data_texcoordtexture2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1113                         mesh->data_texcoordtexture2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1114                 }
1115                 for (j = 0;j < mesh->num_vertices * mesh->num_morphframes;j++)
1116                 {
1117                         mesh->data_morphvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 0]) * (1.0f / 64.0f);
1118                         mesh->data_morphvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 1]) * (1.0f / 64.0f);
1119                         mesh->data_morphvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 2]) * (1.0f / 64.0f);
1120                 }
1121
1122                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1123                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1124                 Mod_Alias_Mesh_CompileFrameZero(mesh);
1125
1126                 if (LittleLong(pinmesh->num_shaders) >= 1)
1127                         Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1128                 else
1129                         for (j = 0;j < loadmodel->numskins;j++)
1130                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1131
1132                 surface = loadmodel->data_surfaces + i;
1133                 surface->groupmesh = mesh;
1134                 surface->texture = loadmodel->data_textures + i;
1135                 surface->num_firsttriangle = 0;
1136                 surface->num_triangles = mesh->num_triangles;
1137                 surface->num_firstvertex = 0;
1138                 surface->num_vertices = mesh->num_vertices;
1139         }
1140         Mod_CalcAliasModelBBoxes();
1141         Mod_FreeSkinFiles(skinfiles);
1142 }
1143
1144 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1145 {
1146         zymtype1header_t *pinmodel, *pheader;
1147         qbyte *pbase;
1148         int i, j, k, l, numposes, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements, *remapvertices;
1149         float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f;
1150         zymvertex_t *verts, *vertdata;
1151         zymscene_t *scene;
1152         zymbone_t *bone;
1153         char *shadername;
1154         skinfile_t *skinfiles;
1155         qbyte *data;
1156         msurface_t *surface;
1157         surfmesh_t *mesh;
1158
1159         pinmodel = (void *)buffer;
1160         pbase = buffer;
1161         if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1162                 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
1163         if (BigLong(pinmodel->type) != 1)
1164                 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
1165
1166         loadmodel->type = mod_alias;
1167         loadmodel->DrawSky = NULL;
1168         loadmodel->Draw = R_Q1BSP_Draw;
1169         loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1170         loadmodel->DrawLight = R_Q1BSP_DrawLight;
1171         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1172         loadmodel->flags = 0; // there are no flags on zym models
1173         loadmodel->synctype = ST_RAND;
1174
1175         // byteswap header
1176         pheader = pinmodel;
1177         pheader->type = BigLong(pinmodel->type);
1178         pheader->filesize = BigLong(pinmodel->filesize);
1179         pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1180         pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1181         pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1182         pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1183         pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1184         pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1185         pheader->radius = BigFloat(pinmodel->radius);
1186         pheader->numverts = BigLong(pinmodel->numverts);
1187         pheader->numtris = BigLong(pinmodel->numtris);
1188         pheader->numshaders = BigLong(pinmodel->numshaders);
1189         pheader->numbones = BigLong(pinmodel->numbones);
1190         pheader->numscenes = BigLong(pinmodel->numscenes);
1191         pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1192         pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1193         pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1194         pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1195         pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1196         pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1197         pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1198         pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1199         pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1200         pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1201         pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1202         pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1203         pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1204         pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1205         pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1206         pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1207         pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1208         pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1209
1210         loadmodel->numframes = pheader->numscenes;
1211         loadmodel->num_surfaces = pheader->numshaders;
1212
1213         skinfiles = Mod_LoadSkinFiles();
1214         if (loadmodel->numskins < 1)
1215                 loadmodel->numskins = 1;
1216
1217         // make skinscenes for the skins (no groups)
1218         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1219         for (i = 0;i < loadmodel->numskins;i++)
1220         {
1221                 loadmodel->skinscenes[i].firstframe = i;
1222                 loadmodel->skinscenes[i].framecount = 1;
1223                 loadmodel->skinscenes[i].loop = true;
1224                 loadmodel->skinscenes[i].framerate = 10;
1225         }
1226
1227         // model bbox
1228         modelradius = pheader->radius;
1229         for (i = 0;i < 3;i++)
1230         {
1231                 loadmodel->normalmins[i] = pheader->mins[i];
1232                 loadmodel->normalmaxs[i] = pheader->maxs[i];
1233                 loadmodel->rotatedmins[i] = -modelradius;
1234                 loadmodel->rotatedmaxs[i] = modelradius;
1235         }
1236         corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1237         corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1238         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1239         if (loadmodel->yawmaxs[0] > modelradius)
1240                 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1241         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1242         loadmodel->yawmins[2] = loadmodel->normalmins[2];
1243         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1244         loadmodel->radius = modelradius;
1245         loadmodel->radius2 = modelradius * modelradius;
1246
1247         // go through the lumps, swapping things
1248
1249         //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1250         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1251         scene = (void *) (pheader->lump_scenes.start + pbase);
1252         numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1253         for (i = 0;i < pheader->numscenes;i++)
1254         {
1255                 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1256                 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1257                 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1258                 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1259                 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1260                 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1261                         Host_Error("%s scene->firstframe (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1262                 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1263                         Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1264                 if (loadmodel->animscenes[i].framerate < 0)
1265                         Host_Error("%s scene->framerate (%f) < 0\n", loadmodel->name, loadmodel->animscenes[i].framerate);
1266                 scene++;
1267         }
1268
1269         //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1270         loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1271         loadmodel->data_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1272         poses = (void *) (pheader->lump_poses.start + pbase);
1273         for (i = 0;i < pheader->lump_poses.length / 4;i++)
1274                 loadmodel->data_poses[i] = BigFloat(poses[i]);
1275
1276         //zymlump_t lump_bones; // zymbone_t bone[numbones];
1277         loadmodel->num_bones = pheader->numbones;
1278         loadmodel->data_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1279         bone = (void *) (pheader->lump_bones.start + pbase);
1280         for (i = 0;i < pheader->numbones;i++)
1281         {
1282                 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1283                 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1284                 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1285                 if (loadmodel->data_bones[i].parent >= i)
1286                         Host_Error("%s bone[%i].parent >= %i\n", loadmodel->name, i, i);
1287         }
1288
1289         //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1290         vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1291         bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1292         for (i = 0;i < pheader->numverts;i++)
1293         {
1294                 vertbonecounts[i] = BigLong(bonecount[i]);
1295                 if (vertbonecounts[i] < 1)
1296                         Host_Error("%s bonecount[%i] < 1\n", loadmodel->name, i);
1297         }
1298
1299         //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1300         verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1301         vertdata = (void *) (pheader->lump_verts.start + pbase);
1302         for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1303         {
1304                 verts[i].bonenum = BigLong(vertdata[i].bonenum);
1305                 verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1306                 verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1307                 verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1308         }
1309
1310         //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1311         outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1312         intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1313         for (i = 0;i < pheader->numverts;i++)
1314         {
1315                 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1316                 // flip T coordinate for OpenGL
1317                 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1318         }
1319
1320         //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1321         //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1322         //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1323
1324         loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1325         loadmodel->nummeshes = loadmodel->num_surfaces;
1326         loadmodel->num_textures = loadmodel->num_surfaces;
1327         data = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1328         loadmodel->data_surfaces = (void *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1329         loadmodel->surfacelist = (void *)data;data += loadmodel->num_surfaces * sizeof(int);
1330         loadmodel->meshlist = (void *)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
1331         loadmodel->data_textures = (void *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1332         for (i = 0;i < loadmodel->num_surfaces;i++)
1333         {
1334                 loadmodel->surfacelist[i] = i;
1335                 loadmodel->meshlist[i] = (void *)data;data += sizeof(surfmesh_t);
1336         }
1337
1338         //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1339         //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)
1340         // byteswap, validate, and swap winding order of tris
1341         count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1342         if (pheader->lump_render.length != count)
1343                 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1344         renderlist = (void *) (pheader->lump_render.start + pbase);
1345         renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1346         for (i = 0;i < loadmodel->num_surfaces;i++)
1347         {
1348                 if (renderlist >= renderlistend)
1349                         Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1350                 count = BigLong(*renderlist);renderlist++;
1351                 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1352                         Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1353                 mesh = loadmodel->meshlist[i];
1354                 mesh->num_triangles = count;
1355                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1356                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1357                 outelements = mesh->data_element3i;
1358                 for (j = 0;j < mesh->num_triangles;j++)
1359                 {
1360                         outelements[2] = BigLong(renderlist[0]);
1361                         outelements[1] = BigLong(renderlist[1]);
1362                         outelements[0] = BigLong(renderlist[2]);
1363                         if ((unsigned int)outelements[0] >= (unsigned int)pheader->numverts
1364                          || (unsigned int)outelements[1] >= (unsigned int)pheader->numverts
1365                          || (unsigned int)outelements[2] >= (unsigned int)pheader->numverts)
1366                                 Host_Error("%s corrupt renderlist (out of bounds index)\n", loadmodel->name);
1367                         if (vertbonecounts[outelements[0]] == 0 || vertbonecounts[outelements[1]] == 0 || vertbonecounts[outelements[2]] == 0)
1368                                 Host_Error("%s corrupt renderlist (references vertex with no bone weights\n", loadmodel->name);
1369                         renderlist += 3;
1370                         outelements += 3;
1371                 }
1372                 remapvertices = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1373                 mesh->num_vertices = Mod_BuildVertexRemapTableFromElements(mesh->num_triangles * 3, mesh->data_element3i, pheader->numverts, remapvertices);
1374                 for (j = 0;j < mesh->num_triangles * 3;j++)
1375                         mesh->data_element3i[j] = remapvertices[mesh->data_element3i[j]];
1376                 mesh->data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1377                 for (j = 0;j < pheader->numverts;j++)
1378                 {
1379                         if (remapvertices[j] >= 0)
1380                         {
1381                                 mesh->data_texcoordtexture2f[remapvertices[j]*2+0] = outtexcoord2f[j*2+0];
1382                                 mesh->data_texcoordtexture2f[remapvertices[j]*2+1] = outtexcoord2f[j*2+1];
1383                         }
1384                 }
1385                 mesh->num_vertexboneweights = 0;
1386                 for (j = 0;j < pheader->numverts;j++)
1387                         if (remapvertices[j] >= 0)
1388                                 mesh->num_vertexboneweights += vertbonecounts[remapvertices[j]];
1389                 mesh->data_vertexboneweights = Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(surfmeshvertexboneweight_t));
1390                 mesh->num_vertexboneweights = 0;
1391                 // note this vertexboneweight ordering requires that the remapvertices array is sequential numbers (separated by -1 values for omitted vertices)
1392                 l = 0;
1393                 for (j = 0;j < pheader->numverts;j++)
1394                 {
1395                         if (remapvertices[j] < 0)
1396                         {
1397                                 l += vertbonecounts[j];
1398                                 continue;
1399                         }
1400                         for (k = 0;k < vertbonecounts[j];k++)
1401                         {
1402                                 // this format really should have had a per vertexweight weight value...
1403                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = remapvertices[j];
1404                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = verts[l].bonenum;
1405                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3] = 1.0f / vertbonecounts[j];
1406                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[0] = verts[l].origin[0] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1407                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[1] = verts[l].origin[1] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1408                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[2] = verts[l].origin[2] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1409                                 mesh->num_vertexboneweights++;
1410                                 l++;
1411                         }
1412                 }
1413                 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1414                 // since zym models do not have named sections, reuse their shader
1415                 // name as the section name
1416                 if (shadername[0])
1417                         Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
1418                 else
1419                         for (j = 0;j < loadmodel->numskins;j++)
1420                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1421
1422                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1423                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1424                 Mod_Alias_Mesh_CompileFrameZero(mesh);
1425
1426                 surface = loadmodel->data_surfaces + i;
1427                 surface->groupmesh = mesh;
1428                 surface->texture = loadmodel->data_textures + i;
1429                 surface->num_firsttriangle = 0;
1430                 surface->num_triangles = mesh->num_triangles;
1431                 surface->num_firstvertex = 0;
1432                 surface->num_vertices = mesh->num_vertices;
1433         }
1434
1435         Mem_Free(vertbonecounts);
1436         Mem_Free(verts);
1437         Mem_Free(outtexcoord2f);
1438 }
1439
1440 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1441 {
1442         dpmheader_t *pheader;
1443         dpmframe_t *frame;
1444         dpmbone_t *bone;
1445         dpmmesh_t *dpmmesh;
1446         qbyte *pbase;
1447         int i, j, k;
1448         skinfile_t *skinfiles;
1449         qbyte *data;
1450
1451         pheader = (void *)buffer;
1452         pbase = buffer;
1453         if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
1454                 Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model\n");
1455         if (BigLong(pheader->type) != 2)
1456                 Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
1457
1458         loadmodel->type = mod_alias;
1459         loadmodel->DrawSky = NULL;
1460         loadmodel->Draw = R_Q1BSP_Draw;
1461         loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1462         loadmodel->DrawLight = R_Q1BSP_DrawLight;
1463         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1464         loadmodel->flags = 0; // there are no flags on zym models
1465         loadmodel->synctype = ST_RAND;
1466
1467         // byteswap header
1468         pheader->type = BigLong(pheader->type);
1469         pheader->filesize = BigLong(pheader->filesize);
1470         pheader->mins[0] = BigFloat(pheader->mins[0]);
1471         pheader->mins[1] = BigFloat(pheader->mins[1]);
1472         pheader->mins[2] = BigFloat(pheader->mins[2]);
1473         pheader->maxs[0] = BigFloat(pheader->maxs[0]);
1474         pheader->maxs[1] = BigFloat(pheader->maxs[1]);
1475         pheader->maxs[2] = BigFloat(pheader->maxs[2]);
1476         pheader->yawradius = BigFloat(pheader->yawradius);
1477         pheader->allradius = BigFloat(pheader->allradius);
1478         pheader->num_bones = BigLong(pheader->num_bones);
1479         pheader->num_meshs = BigLong(pheader->num_meshs);
1480         pheader->num_frames = BigLong(pheader->num_frames);
1481         pheader->ofs_bones = BigLong(pheader->ofs_bones);
1482         pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
1483         pheader->ofs_frames = BigLong(pheader->ofs_frames);
1484
1485         // model bbox
1486         for (i = 0;i < 3;i++)
1487         {
1488                 loadmodel->normalmins[i] = pheader->mins[i];
1489                 loadmodel->normalmaxs[i] = pheader->maxs[i];
1490                 loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
1491                 loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
1492                 loadmodel->rotatedmins[i] = -pheader->allradius;
1493                 loadmodel->rotatedmaxs[i] = pheader->allradius;
1494         }
1495         loadmodel->radius = pheader->allradius;
1496         loadmodel->radius2 = pheader->allradius * pheader->allradius;
1497
1498         // load external .skin files if present
1499         skinfiles = Mod_LoadSkinFiles();
1500         if (loadmodel->numskins < 1)
1501                 loadmodel->numskins = 1;
1502
1503         loadmodel->numframes = pheader->num_frames;
1504         loadmodel->num_bones = pheader->num_bones;
1505         loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
1506         loadmodel->num_textures = loadmodel->nummeshes = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
1507
1508         // do most allocations as one merged chunk
1509         data = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->num_poses * sizeof(float[12]) + loadmodel->numframes * sizeof(animscene_t));
1510         loadmodel->data_surfaces = (void *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1511         loadmodel->surfacelist = (void *)data;data += loadmodel->num_surfaces * sizeof(int);
1512         loadmodel->meshlist = (void *)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
1513         loadmodel->data_textures = (void *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1514         loadmodel->skinscenes = (void *)data;data += loadmodel->numskins * sizeof(animscene_t);
1515         loadmodel->data_bones = (void *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
1516         loadmodel->data_poses = (void *)data;data += loadmodel->num_poses * sizeof(float[12]);
1517         loadmodel->animscenes = (void *)data;data += loadmodel->numframes * sizeof(animscene_t);
1518         for (i = 0;i < loadmodel->numskins;i++)
1519         {
1520                 loadmodel->skinscenes[i].firstframe = i;
1521                 loadmodel->skinscenes[i].framecount = 1;
1522                 loadmodel->skinscenes[i].loop = true;
1523                 loadmodel->skinscenes[i].framerate = 10;
1524         }
1525         for (i = 0;i < loadmodel->num_surfaces;i++)
1526         {
1527                 loadmodel->surfacelist[i] = i;
1528                 loadmodel->meshlist[i] = (void *)data;data += sizeof(surfmesh_t);
1529         }
1530
1531         // load the bone info
1532         bone = (void *) (pbase + pheader->ofs_bones);
1533         for (i = 0;i < loadmodel->num_bones;i++)
1534         {
1535                 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1536                 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1537                 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1538                 if (loadmodel->data_bones[i].parent >= i)
1539                         Host_Error("%s bone[%i].parent >= %i\n", loadmodel->name, i, i);
1540         }
1541
1542         // load the frames
1543         frame = (void *) (pbase + pheader->ofs_frames);
1544         for (i = 0;i < loadmodel->numframes;i++)
1545         {
1546                 const float *poses;
1547                 memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
1548                 loadmodel->animscenes[i].firstframe = i;
1549                 loadmodel->animscenes[i].framecount = 1;
1550                 loadmodel->animscenes[i].loop = true;
1551                 loadmodel->animscenes[i].framerate = 10;
1552                 // load the bone poses for this frame
1553                 poses = (void *) (pbase + BigLong(frame->ofs_bonepositions));
1554                 for (j = 0;j < loadmodel->num_bones*12;j++)
1555                         loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
1556                 // stuff not processed here: mins, maxs, yawradius, allradius
1557                 frame++;
1558         }
1559
1560         // load the meshes now
1561         dpmmesh = (void *) (pbase + pheader->ofs_meshs);
1562         for (i = 0;i < loadmodel->num_surfaces;i++)
1563         {
1564                 const int *inelements;
1565                 int *outelements;
1566                 const float *intexcoord;
1567                 surfmesh_t *mesh;
1568                 msurface_t *surface;
1569
1570                 mesh = loadmodel->meshlist[i];
1571                 mesh->num_triangles = BigLong(dpmmesh->num_tris);
1572                 mesh->num_vertices = BigLong(dpmmesh->num_verts);
1573
1574                 // to find out how many weights exist we two a two-stage load...
1575                 mesh->num_vertexboneweights = 0;
1576                 data = (void *) (pbase + BigLong(dpmmesh->ofs_verts));
1577                 for (j = 0;j < mesh->num_vertices;j++)
1578                 {
1579                         int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1580                         mesh->num_vertexboneweights += numweights;
1581                         data += sizeof(dpmvertex_t);
1582                         data += numweights * sizeof(dpmbonevert_t);
1583                 }
1584
1585                 // allocate things now that we know how many
1586                 mesh->data_vertexboneweights = Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(surfmeshvertexboneweight_t));
1587                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1588                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1589                 mesh->data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1590
1591                 inelements = (void *) (pbase + BigLong(dpmmesh->ofs_indices));
1592                 outelements = mesh->data_element3i;
1593                 for (j = 0;j < mesh->num_triangles;j++)
1594                 {
1595                         // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
1596                         outelements[0] = BigLong(inelements[2]);
1597                         outelements[1] = BigLong(inelements[1]);
1598                         outelements[2] = BigLong(inelements[0]);
1599                         inelements += 3;
1600                         outelements += 3;
1601                 }
1602
1603                 intexcoord = (void *) (pbase + BigLong(dpmmesh->ofs_texcoords));
1604                 for (j = 0;j < mesh->num_vertices*2;j++)
1605                         mesh->data_texcoordtexture2f[j] = BigFloat(intexcoord[j]);
1606
1607                 // now load them for real
1608                 mesh->num_vertexboneweights = 0;
1609                 data = (void *) (pbase + BigLong(dpmmesh->ofs_verts));
1610                 for (j = 0;j < mesh->num_vertices;j++)
1611                 {
1612                         int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1613                         data += sizeof(dpmvertex_t);
1614                         for (k = 0;k < numweights;k++)
1615                         {
1616                                 const dpmbonevert_t *vert = (void *) data;
1617                                 // stuff not processed here: normal
1618                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = j;
1619                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = BigLong(vert->bonenum);
1620                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[0] = BigFloat(vert->origin[0]);
1621                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[1] = BigFloat(vert->origin[1]);
1622                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[2] = BigFloat(vert->origin[2]);
1623                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3] = BigFloat(vert->influence);
1624                                 mesh->num_vertexboneweights++;
1625                                 data += sizeof(dpmbonevert_t);
1626                         }
1627                 }
1628
1629                 // since dpm models do not have named sections, reuse their shader name as the section name
1630                 if (dpmmesh->shadername[0])
1631                         Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
1632                 else
1633                         for (j = 0;j < loadmodel->numskins;j++)
1634                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1635
1636                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1637                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1638                 Mod_Alias_Mesh_CompileFrameZero(mesh);
1639
1640                 surface = loadmodel->data_surfaces + i;
1641                 surface->groupmesh = mesh;
1642                 surface->texture = loadmodel->data_textures + i;
1643                 surface->num_firsttriangle = 0;
1644                 surface->num_triangles = mesh->num_triangles;
1645                 surface->num_firstvertex = 0;
1646                 surface->num_vertices = mesh->num_vertices;
1647
1648                 dpmmesh++;
1649         }
1650 }
1651
1652 static void Mod_PSKMODEL_AnimKeyToMatrix(float *origin, float *quat, matrix4x4_t *m)
1653 {
1654         float x = quat[0], y = quat[1], z = quat[2], w = quat[3];
1655         m->m[0][0]=1-2*(y*y+z*z);m->m[0][1]=  2*(x*y-z*w);m->m[0][2]=  2*(x*z+y*w);m->m[0][3]=origin[0];
1656         m->m[1][0]=  2*(x*y+z*w);m->m[1][1]=1-2*(x*x+z*z);m->m[1][2]=  2*(y*z-x*w);m->m[1][3]=origin[1];
1657         m->m[2][0]=  2*(x*z-y*w);m->m[2][1]=  2*(y*z+x*w);m->m[2][2]=1-2*(x*x+y*y);m->m[2][3]=origin[2];
1658         m->m[3][0]=  0          ;m->m[3][1]=  0          ;m->m[3][2]=  0          ;m->m[3][3]=1;
1659 }
1660
1661 // no idea why PSK/PSA files contain weird quaternions but they do...
1662 #define PSKQUATNEGATIONS
1663 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1664 {
1665         int i, j, index, version, recordsize, numrecords;
1666         int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
1667         pskpnts_t *pnts;
1668         pskvtxw_t *vtxw;
1669         pskface_t *faces;
1670         pskmatt_t *matts;
1671         pskboneinfo_t *bones;
1672         pskrawweights_t *rawweights;
1673         pskboneinfo_t *animbones;
1674         pskaniminfo_t *anims;
1675         pskanimkeys_t *animkeys;
1676         void *animfilebuffer, *animbuffer, *animbufferend;
1677         pskchunk_t *pchunk;
1678         surfmesh_t *mesh;
1679         skinfile_t *skinfiles;
1680         char animname[MAX_QPATH];
1681
1682         pchunk = (void *)buffer;
1683         if (strcmp(pchunk->id, "ACTRHEAD"))
1684                 Host_Error ("Mod_PSKMODEL_Load: %s is not a ActorX model\n");
1685
1686         loadmodel->type = mod_alias;
1687         loadmodel->DrawSky = NULL;
1688         loadmodel->Draw = R_Q1BSP_Draw;
1689         loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1690         loadmodel->DrawLight = R_Q1BSP_DrawLight;
1691         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1692         loadmodel->flags = 0; // there are no flags on zym models
1693         loadmodel->synctype = ST_RAND;
1694
1695         // load external .skin files if present
1696         skinfiles = Mod_LoadSkinFiles();
1697         if (loadmodel->numskins < 1)
1698                 loadmodel->numskins = 1;
1699         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
1700         for (i = 0;i < loadmodel->numskins;i++)
1701         {
1702                 loadmodel->skinscenes[i].firstframe = i;
1703                 loadmodel->skinscenes[i].framecount = 1;
1704                 loadmodel->skinscenes[i].loop = true;
1705                 loadmodel->skinscenes[i].framerate = 10;
1706         }
1707
1708         FS_StripExtension(loadmodel->name, animname, sizeof(animname));
1709         strlcat(animname, ".psa", sizeof(animname));
1710         animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false);
1711         animbufferend = (void *)((unsigned char*)animbuffer + fs_filesize);
1712         if (animbuffer == NULL)
1713                 Host_Error("%s: can't find .psa file (%s)\n", loadmodel->name, animname);
1714
1715         numpnts = 0;
1716         pnts = NULL;
1717         numvtxw = 0;
1718         vtxw = NULL;
1719         numfaces = 0;
1720         faces = NULL;
1721         nummatts = 0;
1722         matts = NULL;
1723         numbones = 0;
1724         bones = NULL;
1725         numrawweights = 0;
1726         rawweights = NULL;
1727         numanims = 0;
1728         anims = NULL;
1729         numanimkeys = 0;
1730         animkeys = NULL;
1731
1732         while (buffer < bufferend)
1733         {
1734                 pchunk = buffer;
1735                 buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
1736                 version = LittleLong(pchunk->version);
1737                 recordsize = LittleLong(pchunk->recordsize);
1738                 numrecords = LittleLong(pchunk->numrecords);
1739                 if (developer.integer)
1740                         Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
1741                 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e)
1742                         Con_Printf ("%s: chunk %s has unknown version %x (0x1e83b9, 0x1e9179 and 0x2e are currently supported), trying to load anyway!\n", loadmodel->name, pchunk->id, version);
1743                 if (!strcmp(pchunk->id, "ACTRHEAD"))
1744                 {
1745                         // nothing to do
1746                 }
1747                 else if (!strcmp(pchunk->id, "PNTS0000"))
1748                 {
1749                         pskpnts_t *p;
1750                         if (recordsize != sizeof(*p))
1751                                 Host_Error("%s: %s has unsupported recordsize\n", loadmodel->name, pchunk->id);
1752                         // byteswap in place and keep the pointer
1753                         numpnts = numrecords;
1754                         pnts = buffer;
1755                         for (index = 0, p = buffer;index < numrecords;index++, p++)
1756                         {
1757                                 p->origin[0] = LittleFloat(p->origin[0]);
1758                                 p->origin[1] = LittleFloat(p->origin[1]);
1759                                 p->origin[2] = LittleFloat(p->origin[2]);
1760                         }
1761                         buffer = p;
1762                 }
1763                 else if (!strcmp(pchunk->id, "VTXW0000"))
1764                 {
1765                         pskvtxw_t *p;
1766                         if (recordsize != sizeof(*p))
1767                                 Host_Error("%s: %s has unsupported recordsize\n", loadmodel->name, pchunk->id);
1768                         // byteswap in place and keep the pointer
1769                         numvtxw = numrecords;
1770                         vtxw = buffer;
1771                         for (index = 0, p = buffer;index < numrecords;index++, p++)
1772                         {
1773                                 p->pntsindex = LittleShort(p->pntsindex);
1774                                 p->texcoord[0] = LittleFloat(p->texcoord[0]);
1775                                 p->texcoord[1] = LittleFloat(p->texcoord[1]);
1776                                 if (p->pntsindex >= numpnts)
1777                                 {
1778                                         Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
1779                                         p->pntsindex = 0;
1780                                 }
1781                         }
1782                         buffer = p;
1783                 }
1784                 else if (!strcmp(pchunk->id, "FACE0000"))
1785                 {
1786                         pskface_t *p;
1787                         if (recordsize != sizeof(*p))
1788                                 Host_Error("%s: %s has unsupported recordsize\n", loadmodel->name, pchunk->id);
1789                         // byteswap in place and keep the pointer
1790                         numfaces = numrecords;
1791                         faces = buffer;
1792                         for (index = 0, p = buffer;index < numrecords;index++, p++)
1793                         {
1794                                 p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
1795                                 p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
1796                                 p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
1797                                 p->group = LittleLong(p->group);
1798                                 if (p->vtxwindex[0] >= numvtxw)
1799                                 {
1800                                         Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
1801                                         p->vtxwindex[0] = 0;
1802                                 }
1803                                 if (p->vtxwindex[1] >= numvtxw)
1804                                 {
1805                                         Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
1806                                         p->vtxwindex[1] = 0;
1807                                 }
1808                                 if (p->vtxwindex[2] >= numvtxw)
1809                                 {
1810                                         Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
1811                                         p->vtxwindex[2] = 0;
1812                                 }
1813                         }
1814                         buffer = p;
1815                 }
1816                 else if (!strcmp(pchunk->id, "MATT0000"))
1817                 {
1818                         pskmatt_t *p;
1819                         if (recordsize != sizeof(*p))
1820                                 Host_Error("%s: %s has unsupported recordsize\n", loadmodel->name, pchunk->id);
1821                         // byteswap in place and keep the pointer
1822                         nummatts = numrecords;
1823                         matts = buffer;
1824                         for (index = 0, p = buffer;index < numrecords;index++, p++)
1825                         {
1826                         }
1827                         buffer = p;
1828                 }
1829                 else if (!strcmp(pchunk->id, "REFSKELT"))
1830                 {
1831                         pskboneinfo_t *p;
1832                         if (recordsize != sizeof(*p))
1833                                 Host_Error("%s: %s has unsupported recordsize\n", loadmodel->name, pchunk->id);
1834                         // byteswap in place and keep the pointer
1835                         numbones = numrecords;
1836                         bones = buffer;
1837                         for (index = 0, p = buffer;index < numrecords;index++, p++)
1838                         {
1839                                 p->numchildren = LittleLong(p->numchildren);
1840                                 p->parent = LittleLong(p->parent);
1841                                 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
1842                                 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
1843                                 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
1844                                 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
1845                                 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
1846                                 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
1847                                 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
1848                                 p->basepose.unknown = LittleFloat(p->basepose.unknown);
1849                                 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
1850                                 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
1851                                 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
1852 #ifdef PSKQUATNEGATIONS
1853                                 if (index)
1854                                 {
1855                                         p->basepose.quat[0] *= -1;
1856                                         p->basepose.quat[1] *= -1;
1857                                         p->basepose.quat[2] *= -1;
1858                                 }
1859                                 else
1860                                 {
1861                                         p->basepose.quat[0] *=  1;
1862                                         p->basepose.quat[1] *= -1;
1863                                         p->basepose.quat[2] *=  1;
1864                                 }
1865 #endif
1866                                 if (p->parent < 0 || p->parent >= numbones)
1867                                 {
1868                                         Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
1869                                         p->parent = 0;
1870                                 }
1871                         }
1872                         buffer = p;
1873                 }
1874                 else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
1875                 {
1876                         pskrawweights_t *p;
1877                         if (recordsize != sizeof(*p))
1878                                 Host_Error("%s: %s has unsupported recordsize\n", loadmodel->name, pchunk->id);
1879                         // byteswap in place and keep the pointer
1880                         numrawweights = numrecords;
1881                         rawweights = buffer;
1882                         for (index = 0, p = buffer;index < numrecords;index++, p++)
1883                         {
1884                                 p->weight = LittleFloat(p->weight);
1885                                 p->pntsindex = LittleLong(p->pntsindex);
1886                                 p->boneindex = LittleLong(p->boneindex);
1887                                 if (p->pntsindex < 0 || p->pntsindex >= numpnts)
1888                                 {
1889                                         Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
1890                                         p->pntsindex = 0;
1891                                 }
1892                                 if (p->boneindex < 0 || p->boneindex >= numbones)
1893                                 {
1894                                         Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
1895                                         p->boneindex = 0;
1896                                 }
1897                         }
1898                         buffer = p;
1899                 }
1900         }
1901
1902         while (animbuffer < animbufferend)
1903         {
1904                 pchunk = animbuffer;
1905                 animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
1906                 version = LittleLong(pchunk->version);
1907                 recordsize = LittleLong(pchunk->recordsize);
1908                 numrecords = LittleLong(pchunk->numrecords);
1909                 if (developer.integer)
1910                         Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
1911                 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e)
1912                         Con_Printf ("%s: chunk %s has unknown version %x (0x1e83b9, 0x1e9179 and 0x2e are currently supported), trying to load anyway!\n", animname, pchunk->id, version);
1913                 if (!strcmp(pchunk->id, "ANIMHEAD"))
1914                 {
1915                         // nothing to do
1916                 }
1917                 else if (!strcmp(pchunk->id, "BONENAMES"))
1918                 {
1919                         pskboneinfo_t *p;
1920                         if (recordsize != sizeof(*p))
1921                                 Host_Error("%s: %s has unsupported recordsize\n", animname, pchunk->id);
1922                         // byteswap in place and keep the pointer
1923                         numanimbones = numrecords;
1924                         animbones = animbuffer;
1925                         // NOTE: supposedly psa does not need to match the psk model, the
1926                         // bones missing from the psa would simply use their base
1927                         // positions from the psk, but this is hard for me to implement
1928                         // and people can easily make animations that match.
1929                         if (numanimbones != numbones)
1930                                 Host_Error("%s: this loader only supports animations with the same bones as the mesh\n");
1931                         for (index = 0, p = animbuffer;index < numrecords;index++, p++)
1932                         {
1933                                 p->numchildren = LittleLong(p->numchildren);
1934                                 p->parent = LittleLong(p->parent);
1935                                 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
1936                                 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
1937                                 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
1938                                 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
1939                                 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
1940                                 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
1941                                 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
1942                                 p->basepose.unknown = LittleFloat(p->basepose.unknown);
1943                                 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
1944                                 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
1945                                 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
1946 #ifdef PSKQUATNEGATIONS
1947                                 if (index)
1948                                 {
1949                                         p->basepose.quat[0] *= -1;
1950                                         p->basepose.quat[1] *= -1;
1951                                         p->basepose.quat[2] *= -1;
1952                                 }
1953                                 else
1954                                 {
1955                                         p->basepose.quat[0] *=  1;
1956                                         p->basepose.quat[1] *= -1;
1957                                         p->basepose.quat[2] *=  1;
1958                                 }
1959 #endif
1960                                 if (p->parent < 0 || p->parent >= numanimbones)
1961                                 {
1962                                         Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
1963                                         p->parent = 0;
1964                                 }
1965                                 // check that bones are the same as in the base
1966                                 if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
1967                                         Host_Error("%s: this loader only supports animations with the same bones as the mesh\n", animname);
1968                         }
1969                         animbuffer = p;
1970                 }
1971                 else if (!strcmp(pchunk->id, "ANIMINFO"))
1972                 {
1973                         pskaniminfo_t *p;
1974                         if (recordsize != sizeof(*p))
1975                                 Host_Error("%s: %s has unsupported recordsize\n", animname, pchunk->id);
1976                         // byteswap in place and keep the pointer
1977                         numanims = numrecords;
1978                         anims = animbuffer;
1979                         for (index = 0, p = animbuffer;index < numrecords;index++, p++)
1980                         {
1981                                 p->numbones = LittleLong(p->numbones);
1982                                 p->playtime = LittleFloat(p->playtime);
1983                                 p->fps = LittleFloat(p->fps);
1984                                 p->firstframe = LittleLong(p->firstframe);
1985                                 p->numframes = LittleLong(p->numframes);
1986                                 if (p->numbones != numbones)
1987                                 {
1988                                         Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
1989                                 }
1990                         }
1991                         animbuffer = p;
1992                 }
1993                 else if (!strcmp(pchunk->id, "ANIMKEYS"))
1994                 {
1995                         pskanimkeys_t *p;
1996                         if (recordsize != sizeof(*p))
1997                                 Host_Error("%s: %s has unsupported recordsize\n", animname, pchunk->id);
1998                         numanimkeys = numrecords;
1999                         animkeys = animbuffer;
2000                         for (index = 0, p = animbuffer;index < numrecords;index++, p++)
2001                         {
2002                                 p->origin[0] = LittleFloat(p->origin[0]);
2003                                 p->origin[1] = LittleFloat(p->origin[1]);
2004                                 p->origin[2] = LittleFloat(p->origin[2]);
2005                                 p->quat[0] = LittleFloat(p->quat[0]);
2006                                 p->quat[1] = LittleFloat(p->quat[1]);
2007                                 p->quat[2] = LittleFloat(p->quat[2]);
2008                                 p->quat[3] = LittleFloat(p->quat[3]);
2009                                 p->frametime = LittleFloat(p->frametime);
2010 #ifdef PSKQUATNEGATIONS
2011                                 if (index % numbones)
2012                                 {
2013                                         p->quat[0] *= -1;
2014                                         p->quat[1] *= -1;
2015                                         p->quat[2] *= -1;
2016                                 }
2017                                 else
2018                                 {
2019                                         p->quat[0] *=  1;
2020                                         p->quat[1] *= -1;
2021                                         p->quat[2] *=  1;
2022                                 }
2023 #endif
2024                         }
2025                         animbuffer = p;
2026                         // TODO: allocate bonepose stuff
2027                 }
2028                 else
2029                         Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
2030         }
2031
2032         if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
2033                 Host_Error("%s: missing required chunks\n", loadmodel->name);
2034
2035         // FIXME: model bbox
2036         // model bbox
2037         for (i = 0;i < 3;i++)
2038         {
2039                 loadmodel->normalmins[i] = -128;
2040                 loadmodel->normalmaxs[i] = 128;
2041                 loadmodel->yawmins[i] = -128;
2042                 loadmodel->yawmaxs[i] = 128;
2043                 loadmodel->rotatedmins[i] = -128;
2044                 loadmodel->rotatedmaxs[i] = 128;
2045         }
2046         loadmodel->radius = 128;
2047         loadmodel->radius2 = loadmodel->radius * loadmodel->radius;
2048
2049         loadmodel->numframes = 0;
2050         for (index = 0;index < numanims;index++)
2051                 loadmodel->numframes += anims[index].numframes;
2052
2053         loadmodel->num_bones = numbones;
2054         loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
2055         loadmodel->num_textures = loadmodel->nummeshes = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
2056
2057         if (numanimkeys != loadmodel->num_bones * loadmodel->numframes)
2058                 Host_Error("%s: %s has incorrect number of animation keys\n", animname, pchunk->id);
2059
2060         loadmodel->data_poses = Mem_Alloc(loadmodel->mempool, loadmodel->num_poses * sizeof(float[12]));
2061         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
2062         loadmodel->data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
2063         loadmodel->data_surfaces = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t));
2064         loadmodel->surfacelist = Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(int));
2065         loadmodel->data_bones = Mem_Alloc(loadmodel->mempool, loadmodel->num_bones * sizeof(aliasbone_t));
2066
2067         loadmodel->meshlist = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *));
2068         mesh = loadmodel->meshlist[0] = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t));
2069         mesh->num_vertices = numvtxw;
2070         mesh->num_triangles = numfaces;
2071         mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
2072         mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
2073         mesh->data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
2074
2075         // create surfaces
2076         for (index = 0, i = 0;index < nummatts;index++)
2077         {
2078                 // since psk models do not have named sections, reuse their shader name as the section name
2079                 if (matts[index].name[0])
2080                         Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
2081                 else
2082                         for (j = 0;j < loadmodel->numskins;j++)
2083                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
2084                 loadmodel->surfacelist[index] = index;
2085                 loadmodel->data_surfaces[index].groupmesh = loadmodel->meshlist[0];
2086                 loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
2087                 loadmodel->data_surfaces[index].num_firstvertex = 0;
2088                 loadmodel->data_surfaces[index].num_vertices = loadmodel->meshlist[0]->num_vertices;
2089         }
2090
2091         // copy over the texcoords
2092         for (index = 0;index < numvtxw;index++)
2093         {
2094                 mesh->data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
2095                 mesh->data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
2096         }
2097
2098         // loading the faces is complicated because we need to sort them into surfaces by mattindex
2099         for (index = 0;index < numfaces;index++)
2100                 loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
2101         for (index = 0, i = 0;index < nummatts;index++)
2102         {
2103                 loadmodel->data_surfaces[index].num_firsttriangle = i;
2104                 i += loadmodel->data_surfaces[index].num_triangles;
2105                 loadmodel->data_surfaces[index].num_triangles = 0;
2106         }
2107         for (index = 0;index < numfaces;index++)
2108         {
2109                 i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
2110                 mesh->data_element3i[i+0] = faces[index].vtxwindex[0];
2111                 mesh->data_element3i[i+1] = faces[index].vtxwindex[1];
2112                 mesh->data_element3i[i+2] = faces[index].vtxwindex[2];
2113         }
2114
2115         // copy over the bones
2116         for (index = 0;index < numbones;index++)
2117         {
2118                 strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
2119                 loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
2120                 if (loadmodel->data_bones[index].parent >= index)
2121                         Host_Error("%s bone[%i].parent >= %i\n", loadmodel->name, index, index);
2122         }
2123
2124         // build bone-relative vertex weights from the psk point weights
2125         mesh->num_vertexboneweights = 0;
2126         for (index = 0;index < numvtxw;index++)
2127                 for (j = 0;j < numrawweights;j++)
2128                         if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2129                                 mesh->num_vertexboneweights++;
2130         mesh->data_vertexboneweights = Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(surfmeshvertexboneweight_t));
2131         mesh->num_vertexboneweights = 0;
2132         for (index = 0;index < numvtxw;index++)
2133         {
2134                 for (j = 0;j < numrawweights;j++)
2135                 {
2136                         if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2137                         {
2138                                 matrix4x4_t matrix, inversematrix;
2139                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = index;
2140                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = rawweights[j].boneindex;
2141                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].weight = rawweights[j].weight;
2142                                 Matrix4x4_CreateIdentity(&matrix);
2143                                 for (i = rawweights[j].boneindex;i >= 0;i = loadmodel->data_bones[i].parent)
2144                                 {
2145                                         matrix4x4_t childmatrix, tempmatrix;
2146                                         Mod_PSKMODEL_AnimKeyToMatrix(bones[i].basepose.origin, bones[i].basepose.quat, &tempmatrix);
2147                                         childmatrix = matrix;
2148                                         Matrix4x4_Concat(&matrix, &tempmatrix, &childmatrix);
2149                                 }
2150                                 Matrix4x4_Invert_Simple(&inversematrix, &matrix);
2151                                 Matrix4x4_Transform(&inversematrix, pnts[rawweights[j].pntsindex].origin, mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin);
2152                                 VectorScale(mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin, mesh->data_vertexboneweights[mesh->num_vertexboneweights].weight, mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin);
2153                                 mesh->num_vertexboneweights++;
2154                         }
2155                 }
2156         }
2157
2158         // set up the animscenes based on the anims
2159         for (index = 0, i = 0;index < numanims;index++)
2160         {
2161                 for (j = 0;j < anims[index].numframes;j++, i++)
2162                 {
2163                         dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
2164                         loadmodel->animscenes[i].firstframe = i;
2165                         loadmodel->animscenes[i].framecount = 1;
2166                         loadmodel->animscenes[i].loop = true;
2167                         loadmodel->animscenes[i].framerate = 10;
2168                 }
2169         }
2170
2171         // load the poses from the animkeys
2172         for (index = 0;index < numanimkeys;index++)
2173         {
2174                 matrix4x4_t matrix;
2175                 Mod_PSKMODEL_AnimKeyToMatrix(animkeys[index].origin, animkeys[index].quat, &matrix);
2176                 loadmodel->data_poses[index*12+0] = matrix.m[0][0];
2177                 loadmodel->data_poses[index*12+1] = matrix.m[0][1];
2178                 loadmodel->data_poses[index*12+2] = matrix.m[0][2];
2179                 loadmodel->data_poses[index*12+3] = matrix.m[0][3];
2180                 loadmodel->data_poses[index*12+4] = matrix.m[1][0];
2181                 loadmodel->data_poses[index*12+5] = matrix.m[1][1];
2182                 loadmodel->data_poses[index*12+6] = matrix.m[1][2];
2183                 loadmodel->data_poses[index*12+7] = matrix.m[1][3];
2184                 loadmodel->data_poses[index*12+8] = matrix.m[2][0];
2185                 loadmodel->data_poses[index*12+9] = matrix.m[2][1];
2186                 loadmodel->data_poses[index*12+10] = matrix.m[2][2];
2187                 loadmodel->data_poses[index*12+11] = matrix.m[2][3];
2188         }
2189
2190         // compile extra data we want
2191         Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
2192         Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
2193         Mod_Alias_Mesh_CompileFrameZero(mesh);
2194
2195         Mem_Free(animfilebuffer);
2196 }
2197