model_alias.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "quakedef.h"
  22 #include "image.h"
  23 #include "r_shadow.h"
  24
  25 void Mod_AliasInit (void)
  26 {
  27 }
  28
  29 void Mod_Alias_GetMesh_Vertex3f(const model_t *model, const frameblend_t *frameblend, const aliasmesh_t *mesh, float *out3f)
  30 {
  31         if (mesh->num_vertexboneweights)
  32         {
  33                 int i, k, blends;
  34                 aliasvertexboneweight_t *v;
  35                 float *out, *matrix, m[12], bonepose[256][12];
  36                 // vertex weighted skeletal
  37                 // interpolate matrices and concatenate them to their parents
  38                 for (i = 0;i < model->alias.aliasnum_bones;i++)
  39                 {
  40                         for (k = 0;k < 12;k++)
  41                                 m[k] = 0;
  42                         for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
  43                         {
  44                                 matrix = model->alias.aliasdata_poses + (frameblend[blends].frame * model->alias.aliasnum_bones + i) * 12;
  45                                 for (k = 0;k < 12;k++)
  46                                         m[k] += matrix[k] * frameblend[blends].lerp;
  47                         }
  48                         if (model->alias.aliasdata_bones[i].parent >= 0)
  49                                 R_ConcatTransforms(bonepose[model->alias.aliasdata_bones[i].parent], m, bonepose[i]);
  50                         else
  51                                 for (k = 0;k < 12;k++)
  52                                         bonepose[i][k] = m[k];
  53                 }
  54                 // blend the vertex bone weights
  55                 memset(out3f, 0, mesh->num_vertices * sizeof(float[3]));
  56                 v = mesh->data_vertexboneweights;
  57                 for (i = 0;i < mesh->num_vertexboneweights;i++, v++)
  58                 {
  59                         out = out3f + v->vertexindex * 3;
  60                         matrix = bonepose[v->boneindex];
  61                         // FIXME: this can very easily be optimized with SSE or 3DNow
  62                         out[0] += v->origin[0] * matrix[0] + v->origin[1] * matrix[1] + v->origin[2] * matrix[ 2] + v->origin[3] * matrix[ 3];
  63                         out[1] += v->origin[0] * matrix[4] + v->origin[1] * matrix[5] + v->origin[2] * matrix[ 6] + v->origin[3] * matrix[ 7];
  64                         out[2] += v->origin[0] * matrix[8] + v->origin[1] * matrix[9] + v->origin[2] * matrix[10] + v->origin[3] * matrix[11];
  65                 }
  66         }
  67         else
  68         {
  69                 int i, vertcount;
  70                 float lerp1, lerp2, lerp3, lerp4;
  71                 const float *vertsbase, *verts1, *verts2, *verts3, *verts4;
  72                 // vertex morph
  73                 vertsbase = mesh->data_morphvertex3f;
  74                 vertcount = mesh->num_vertices;
  75                 verts1 = vertsbase + frameblend[0].frame * vertcount * 3;
  76                 lerp1 = frameblend[0].lerp;
  77                 if (frameblend[1].lerp)
  78                 {
  79                         verts2 = vertsbase + frameblend[1].frame * vertcount * 3;
  80                         lerp2 = frameblend[1].lerp;
  81                         if (frameblend[2].lerp)
  82                         {
  83                                 verts3 = vertsbase + frameblend[2].frame * vertcount * 3;
  84                                 lerp3 = frameblend[2].lerp;
  85                                 if (frameblend[3].lerp)
  86                                 {
  87                                         verts4 = vertsbase + frameblend[3].frame * vertcount * 3;
  88                                         lerp4 = frameblend[3].lerp;
  89                                         for (i = 0;i < vertcount * 3;i++)
  90                                                 VectorMAMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, lerp4, verts4 + i, out3f + i);
  91                                 }
  92                                 else
  93                                         for (i = 0;i < vertcount * 3;i++)
  94                                                 VectorMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, out3f + i);
  95                         }
  96                         else
  97                                 for (i = 0;i < vertcount * 3;i++)
  98                                         VectorMAM(lerp1, verts1 + i, lerp2, verts2 + i, out3f + i);
  99                 }
 100                 else
 101                         memcpy(out3f, verts1, vertcount * sizeof(float[3]));
 102         }
 103 }
 104
 105 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
 106 {
 107         const float *boneframe;
 108         float tempbonematrix[12], bonematrix[12];
 109         Matrix4x4_CreateIdentity(outmatrix);
 110         if (model->alias.aliasnum_bones)
 111         {
 112                 if (tagindex < 0 || tagindex >= model->alias.aliasnum_bones)
 113                         return 4;
 114                 if (poseframe >= model->alias.aliasnum_poses)
 115                         return 6;
 116                 boneframe = model->alias.aliasdata_poses + poseframe * model->alias.aliasnum_bones * 12;
 117                 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
 118                 while (model->alias.aliasdata_bones[tagindex].parent >= 0)
 119                 {
 120                         memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
 121                         R_ConcatTransforms(boneframe + model->alias.aliasdata_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
 122                         tagindex = model->alias.aliasdata_bones[tagindex].parent;
 123                 }
 124                 outmatrix->m[0][0] = bonematrix[0];
 125                 outmatrix->m[0][1] = bonematrix[1];
 126                 outmatrix->m[0][2] = bonematrix[2];
 127                 outmatrix->m[0][3] = bonematrix[3];
 128                 outmatrix->m[1][0] = bonematrix[4];
 129                 outmatrix->m[1][1] = bonematrix[5];
 130                 outmatrix->m[1][2] = bonematrix[6];
 131                 outmatrix->m[1][3] = bonematrix[7];
 132                 outmatrix->m[2][0] = bonematrix[8];
 133                 outmatrix->m[2][1] = bonematrix[9];
 134                 outmatrix->m[2][2] = bonematrix[10];
 135                 outmatrix->m[2][3] = bonematrix[11];
 136                 outmatrix->m[3][0] = 0;
 137                 outmatrix->m[3][1] = 0;
 138                 outmatrix->m[3][2] = 0;
 139                 outmatrix->m[3][3] = 1;
 140         }
 141         else if (model->alias.aliasnum_tags)
 142         {
 143                 if (tagindex < 0 || tagindex >= model->alias.aliasnum_tags)
 144                         return 4;
 145                 if (poseframe >= model->alias.aliasnum_tagframes)
 146                         return 6;
 147                 *outmatrix = model->alias.aliasdata_tags[poseframe * model->alias.aliasnum_tags + tagindex].matrix;
 148         }
 149         return 0;
 150 }
 151
 152 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
 153 {
 154         int i;
 155         if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
 156                 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
 157                         if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
 158                                 return i + 1;
 159         if (model->alias.aliasnum_bones)
 160                 for (i = 0;i < model->alias.aliasnum_bones;i++)
 161                         if (!strcasecmp(tagname, model->alias.aliasdata_bones[i].name))
 162                                 return i + 1;
 163         if (model->alias.aliasnum_tags)
 164                 for (i = 0;i < model->alias.aliasnum_tags;i++)
 165                         if (!strcasecmp(tagname, model->alias.aliasdata_tags[i].name))
 166                                 return i + 1;
 167         return 0;
 168 }
 169
 170 static void Mod_Alias_Mesh_CompileFrameZero(aliasmesh_t *mesh)
 171 {
 172         frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
 173         mesh->data_basevertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[3][4]));
 174         mesh->data_basesvector3f = mesh->data_basevertex3f + mesh->num_vertices * 3;
 175         mesh->data_basetvector3f = mesh->data_basevertex3f + mesh->num_vertices * 6;
 176         mesh->data_basenormal3f = mesh->data_basevertex3f + mesh->num_vertices * 9;
 177         Mod_Alias_GetMesh_Vertex3f(loadmodel, frameblend, mesh, mesh->data_basevertex3f);
 178         Mod_BuildTextureVectorsAndNormals(0, mesh->num_vertices, mesh->num_triangles, mesh->data_basevertex3f, mesh->data_texcoord2f, mesh->data_element3i, mesh->data_basesvector3f, mesh->data_basetvector3f, mesh->data_basenormal3f);
 179 }
 180
 181 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)
 182 {
 183         int i, framenum;
 184         float segmentmins[3], segmentmaxs[3];
 185         colbrushf_t *thisbrush_start, *thisbrush_end;
 186         matrix4x4_t startmatrix, endmatrix;
 187         memset(trace, 0, sizeof(*trace));
 188         trace->fraction = 1;
 189         trace->realfraction = 1;
 190         trace->hitsupercontentsmask = hitsupercontentsmask;
 191         segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
 192         segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
 193         segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
 194         segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
 195         segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
 196         segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
 197         if (VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
 198         {
 199                 // line trace
 200                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
 201                 {
 202                         framenum = frame;
 203                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
 204                                 framenum = 0;
 205                         if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
 206                                 Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
 207                         //else
 208                                 // FIXME!!!  this needs to handle skeletal!
 209                 }
 210         }
 211         else
 212         {
 213                 // box trace, performed as brush trace
 214                 Matrix4x4_CreateIdentity(&startmatrix);
 215                 Matrix4x4_CreateIdentity(&endmatrix);
 216                 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
 217                 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
 218                 for (i = 0;i < model->alias.aliasnum_meshes;i++)
 219                 {
 220                         framenum = frame;
 221                         if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
 222                                 framenum = 0;
 223                         if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
 224                                 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
 225                         //else
 226                                 // FIXME!!!  this needs to handle skeletal!
 227                 }
 228         }
 229 }
 230
 231 static void Mod_CalcAliasModelBBoxes (void)
 232 {
 233         int vnum, meshnum;
 234         float dist, yawradius, radius;
 235         aliasmesh_t *mesh;
 236         float *v;
 237         VectorClear(loadmodel->normalmins);
 238         VectorClear(loadmodel->normalmaxs);
 239         yawradius = 0;
 240         radius = 0;
 241         for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
 242         {
 243                 for (vnum = 0, v = mesh->data_morphvertex3f;vnum < mesh->num_vertices * mesh->num_morphframes;vnum++, v += 3)
 244                 {
 245                         if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
 246                         if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
 247                         if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
 248                         if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
 249                         if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
 250                         if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
 251                         dist = v[0] * v[0] + v[1] * v[1];
 252                         if (yawradius < dist)
 253                                 yawradius = dist;
 254                         dist += v[2] * v[2];
 255                         if (radius < dist)
 256                                 radius = dist;
 257                 }
 258         }
 259         radius = sqrt(radius);
 260         yawradius = sqrt(yawradius);
 261         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
 262         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
 263         loadmodel->yawmins[2] = loadmodel->normalmins[2];
 264         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 265         loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
 266         loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
 267         loadmodel->radius = radius;
 268         loadmodel->radius2 = radius * radius;
 269 }
 270
 271 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
 272 {
 273         int i, j;
 274         vec3_t temp;
 275         for (i = 0;i < inverts;i++)
 276         {
 277                 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
 278                         continue;
 279                 temp[0] = v[i].v[0] * scale[0] + translate[0];
 280                 temp[1] = v[i].v[1] * scale[1] + translate[1];
 281                 temp[2] = v[i].v[2] * scale[2] + translate[2];
 282                 j = vertremap[i]; // not onseam
 283                 if (j >= 0)
 284                         VectorCopy(temp, out3f + j * 3);
 285                 j = vertremap[i+inverts]; // onseam
 286                 if (j >= 0)
 287                         VectorCopy(temp, out3f + j * 3);
 288         }
 289 }
 290
 291 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
 292 {
 293         int i, f, pose, groupframes;
 294         float interval;
 295         daliasframetype_t *pframetype;
 296         daliasframe_t *pinframe;
 297         daliasgroup_t *group;
 298         daliasinterval_t *intervals;
 299         animscene_t *scene;
 300         pose = 0;
 301         scene = loadmodel->animscenes;
 302         for (f = 0;f < loadmodel->numframes;f++)
 303         {
 304                 pframetype = (daliasframetype_t *)datapointer;
 305                 datapointer += sizeof(daliasframetype_t);
 306                 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
 307                 {
 308                         // a single frame is still treated as a group
 309                         interval = 0.1f;
 310                         groupframes = 1;
 311                 }
 312                 else
 313                 {
 314                         // read group header
 315                         group = (daliasgroup_t *)datapointer;
 316                         datapointer += sizeof(daliasgroup_t);
 317                         groupframes = LittleLong (group->numframes);
 318
 319                         // intervals (time per frame)
 320                         intervals = (daliasinterval_t *)datapointer;
 321                         datapointer += sizeof(daliasinterval_t) * groupframes;
 322
 323                         interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
 324                         if (interval < 0.01f)
 325                         {
 326                                 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
 327                                 interval = 0.1f;
 328                         }
 329                 }
 330
 331                 // get scene name from first frame
 332                 pinframe = (daliasframe_t *)datapointer;
 333
 334                 strcpy(scene->name, pinframe->name);
 335                 scene->firstframe = pose;
 336                 scene->framecount = groupframes;
 337                 scene->framerate = 1.0f / interval;
 338                 scene->loop = true;
 339                 scene++;
 340
 341                 // read frames
 342                 for (i = 0;i < groupframes;i++)
 343                 {
 344                         pinframe = (daliasframe_t *)datapointer;
 345                         datapointer += sizeof(daliasframe_t);
 346                         Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_morphvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
 347                         datapointer += sizeof(trivertx_t) * inverts;
 348                         pose++;
 349                 }
 350         }
 351 }
 352
 353 static skinframe_t missingskinframe;
 354 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *skin, skinframe_t *skinframe)
 355 {
 356         // hack
 357         if (skinframe == NULL)
 358         {
 359                 skinframe = &missingskinframe;
 360                 memset(skinframe, 0, sizeof(*skinframe));
 361                 skinframe->base = r_texture_notexture;
 362         }
 363
 364         skin->skin = *skinframe;
 365 }
 366
 367 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
 368 {
 369         int i;
 370         skinfileitem_t *skinfileitem;
 371         skinframe_t tempskinframe;
 372         if (skinfile)
 373         {
 374                 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
 375                 {
 376                         memset(skin, 0, sizeof(*skin));
 377                         for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
 378                         {
 379                                 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
 380                                 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
 381                                 {
 382                                         memset(&tempskinframe, 0, sizeof(tempskinframe));
 383                                         if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 384                                                 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 385                                         else
 386                                         {
 387                                                 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);
 388                                                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 389                                                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 390                                                 else
 391                                                 {
 392                                                         Con_Printf("failed to load skin \"%s\"\n", shadername);
 393                                                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 394                                                 }
 395                                         }
 396                                 }
 397                         }
 398                 }
 399         }
 400         else
 401         {
 402                 memset(&tempskinframe, 0, sizeof(tempskinframe));
 403                 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 404                         Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
 405                 else
 406                 {
 407                         Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
 408                         Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
 409                 }
 410         }
 411 }
 412
 413 #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);
 414 #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);
 415 extern void R_Model_Alias_Draw(entity_render_t *ent);
 416 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
 417 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int numsurfaces, const int *surfacelist);
 418 void Mod_IDP0_Load(model_t *mod, void *buffer)
 419 {
 420         int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
 421         float scales, scalet, scale[3], translate[3], interval;
 422         mdl_t *pinmodel;
 423         stvert_t *pinstverts;
 424         dtriangle_t *pintriangles;
 425         daliasskintype_t *pinskintype;
 426         daliasskingroup_t *pinskingroup;
 427         daliasskininterval_t *pinskinintervals;
 428         daliasframetype_t *pinframetype;
 429         daliasgroup_t *pinframegroup;
 430         qbyte *datapointer, *startframes, *startskins;
 431         char name[MAX_QPATH];
 432         skinframe_t tempskinframe;
 433         animscene_t *tempskinscenes;
 434         texture_t *tempaliasskins;
 435         float *vertst;
 436         int *vertonseam, *vertremap;
 437         skinfile_t *skinfiles;
 438
 439         datapointer = buffer;
 440         pinmodel = (mdl_t *)datapointer;
 441         datapointer += sizeof(mdl_t);
 442
 443         version = LittleLong (pinmodel->version);
 444         if (version != ALIAS_VERSION)
 445                 Host_Error ("%s has wrong version number (%i should be %i)",
 446                                  loadmodel->name, version, ALIAS_VERSION);
 447
 448         loadmodel->type = mod_alias;
 449         loadmodel->DrawSky = NULL;
 450         loadmodel->Draw = R_Model_Alias_Draw;
 451         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 452         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 453         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 454
 455         loadmodel->alias.aliasnum_meshes = 1;
 456         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 457
 458         loadmodel->numskins = LittleLong(pinmodel->numskins);
 459         BOUNDI(loadmodel->numskins,0,65536);
 460         skinwidth = LittleLong (pinmodel->skinwidth);
 461         BOUNDI(skinwidth,0,65536);
 462         skinheight = LittleLong (pinmodel->skinheight);
 463         BOUNDI(skinheight,0,65536);
 464         numverts = LittleLong(pinmodel->numverts);
 465         BOUNDI(numverts,0,65536);
 466         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
 467         BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536);
 468         loadmodel->numframes = LittleLong(pinmodel->numframes);
 469         BOUNDI(loadmodel->numframes,0,65536);
 470         loadmodel->synctype = LittleLong (pinmodel->synctype);
 471         BOUNDI(loadmodel->synctype,0,2);
 472         loadmodel->flags = LittleLong (pinmodel->flags);
 473
 474         for (i = 0;i < 3;i++)
 475         {
 476                 scale[i] = LittleFloat (pinmodel->scale[i]);
 477                 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
 478         }
 479
 480         startskins = datapointer;
 481         totalskins = 0;
 482         for (i = 0;i < loadmodel->numskins;i++)
 483         {
 484                 pinskintype = (daliasskintype_t *)datapointer;
 485                 datapointer += sizeof(daliasskintype_t);
 486                 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
 487                         groupskins = 1;
 488                 else
 489                 {
 490                         pinskingroup = (daliasskingroup_t *)datapointer;
 491                         datapointer += sizeof(daliasskingroup_t);
 492                         groupskins = LittleLong(pinskingroup->numskins);
 493                         datapointer += sizeof(daliasskininterval_t) * groupskins;
 494                 }
 495
 496                 for (j = 0;j < groupskins;j++)
 497                 {
 498                         datapointer += skinwidth * skinheight;
 499                         totalskins++;
 500                 }
 501         }
 502
 503         pinstverts = (stvert_t *)datapointer;
 504         datapointer += sizeof(stvert_t) * numverts;
 505
 506         pintriangles = (dtriangle_t *)datapointer;
 507         datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
 508
 509         startframes = datapointer;
 510         loadmodel->alias.aliasdata_meshes->num_morphframes = 0;
 511         for (i = 0;i < loadmodel->numframes;i++)
 512         {
 513                 pinframetype = (daliasframetype_t *)datapointer;
 514                 datapointer += sizeof(daliasframetype_t);
 515                 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
 516                         groupframes = 1;
 517                 else
 518                 {
 519                         pinframegroup = (daliasgroup_t *)datapointer;
 520                         datapointer += sizeof(daliasgroup_t);
 521                         groupframes = LittleLong(pinframegroup->numframes);
 522                         datapointer += sizeof(daliasinterval_t) * groupframes;
 523                 }
 524
 525                 for (j = 0;j < groupframes;j++)
 526                 {
 527                         datapointer += sizeof(daliasframe_t);
 528                         datapointer += sizeof(trivertx_t) * numverts;
 529                         loadmodel->alias.aliasdata_meshes->num_morphframes++;
 530                 }
 531         }
 532
 533         // store texture coordinates into temporary array, they will be stored
 534         // after usage is determined (triangle data)
 535         vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
 536         vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
 537         vertonseam = vertremap + numverts * 2;
 538
 539         scales = 1.0 / skinwidth;
 540         scalet = 1.0 / skinheight;
 541         for (i = 0;i < numverts;i++)
 542         {
 543                 vertonseam[i] = LittleLong(pinstverts[i].onseam);
 544                 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
 545                 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
 546                 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
 547                 vertst[(i+numverts)*2+1] = vertst[i*2+1];
 548         }
 549
 550 // load triangle data
 551         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
 552
 553         // read the triangle elements
 554         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 555                 for (j = 0;j < 3;j++)
 556                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
 557         // validate (note numverts is used because this is the original data)
 558         Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
 559         // now butcher the elements according to vertonseam and tri->facesfront
 560         // and then compact the vertex set to remove duplicates
 561         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 562                 if (!LittleLong(pintriangles[i].facesfront)) // backface
 563                         for (j = 0;j < 3;j++)
 564                                 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
 565                                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
 566         // count the usage
 567         // (this uses vertremap to count usage to save some memory)
 568         for (i = 0;i < numverts*2;i++)
 569                 vertremap[i] = 0;
 570         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
 571                 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
 572         // build remapping table and compact array
 573         loadmodel->alias.aliasdata_meshes->num_vertices = 0;
 574         for (i = 0;i < numverts*2;i++)
 575         {
 576                 if (vertremap[i])
 577                 {
 578                         vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
 579                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
 580                         vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
 581                         loadmodel->alias.aliasdata_meshes->num_vertices++;
 582                 }
 583                 else
 584                         vertremap[i] = -1; // not used at all
 585         }
 586         // remap the elements to the new vertex set
 587         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
 588                 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
 589         // store the texture coordinates
 590         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
 591         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
 592         {
 593                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
 594                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
 595         }
 596
 597 // load the frames
 598         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
 599         loadmodel->alias.aliasdata_meshes->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * loadmodel->alias.aliasdata_meshes->num_morphframes * loadmodel->alias.aliasdata_meshes->num_vertices);
 600         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 601         Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
 602         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 603         Mod_CalcAliasModelBBoxes();
 604         Mod_Alias_Mesh_CompileFrameZero(loadmodel->alias.aliasdata_meshes);
 605
 606         Mem_Free(vertst);
 607         Mem_Free(vertremap);
 608
 609         // load the skins
 610         if ((skinfiles = Mod_LoadSkinFiles()))
 611         {
 612                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
 613                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
 614                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 615                 Mod_FreeSkinFiles(skinfiles);
 616                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 617                 for (i = 0;i < loadmodel->numskins;i++)
 618                 {
 619                         loadmodel->skinscenes[i].firstframe = i;
 620                         loadmodel->skinscenes[i].framecount = 1;
 621                         loadmodel->skinscenes[i].loop = true;
 622                         loadmodel->skinscenes[i].framerate = 10;
 623                 }
 624         }
 625         else
 626         {
 627                 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
 628                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
 629                 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
 630                 totalskins = 0;
 631                 datapointer = startskins;
 632                 for (i = 0;i < loadmodel->numskins;i++)
 633                 {
 634                         pinskintype = (daliasskintype_t *)datapointer;
 635                         datapointer += sizeof(daliasskintype_t);
 636
 637                         if (pinskintype->type == ALIAS_SKIN_SINGLE)
 638                         {
 639                                 groupskins = 1;
 640                                 interval = 0.1f;
 641                         }
 642                         else
 643                         {
 644                                 pinskingroup = (daliasskingroup_t *)datapointer;
 645                                 datapointer += sizeof(daliasskingroup_t);
 646
 647                                 groupskins = LittleLong (pinskingroup->numskins);
 648
 649                                 pinskinintervals = (daliasskininterval_t *)datapointer;
 650                                 datapointer += sizeof(daliasskininterval_t) * groupskins;
 651
 652                                 interval = LittleFloat(pinskinintervals[0].interval);
 653                                 if (interval < 0.01f)
 654                                 {
 655                                         Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
 656                                         interval = 0.1f;
 657                                 }
 658                         }
 659
 660                         sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
 661                         loadmodel->skinscenes[i].firstframe = totalskins;
 662                         loadmodel->skinscenes[i].framecount = groupskins;
 663                         loadmodel->skinscenes[i].framerate = 1.0f / interval;
 664                         loadmodel->skinscenes[i].loop = true;
 665
 666                         for (j = 0;j < groupskins;j++)
 667                         {
 668                                 if (groupskins > 1)
 669                                         sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
 670                                 else
 671                                         sprintf (name, "%s_%i", loadmodel->name, i);
 672                                 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
 673                                         Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, r_fullbrights.integer, (qbyte *)datapointer, skinwidth, skinheight);
 674                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 675                                 datapointer += skinwidth * skinheight;
 676                                 totalskins++;
 677                         }
 678                 }
 679                 // check for skins that don't exist in the model, but do exist as external images
 680                 // (this was added because yummyluv kept pestering me about support for it)
 681                 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
 682                 {
 683                         // expand the arrays to make room
 684                         tempskinscenes = loadmodel->skinscenes;
 685                         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
 686                         memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
 687                         Mem_Free(tempskinscenes);
 688
 689                         tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
 690                         loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(texture_t));
 691                         memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(texture_t));
 692                         Mem_Free(tempaliasskins);
 693
 694                         // store the info about the new skin
 695                         Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
 696                         strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
 697                         loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
 698                         loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
 699                         loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
 700                         loadmodel->skinscenes[loadmodel->numskins].loop = true;
 701
 702                         //increase skin counts
 703                         loadmodel->alias.aliasdata_meshes->num_skins++;
 704                         loadmodel->numskins++;
 705                         totalskins++;
 706                 }
 707         }
 708 }
 709
 710 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
 711 {
 712         int i;
 713         trivertx_t *in;
 714         for (i = 0;i < numverts;i++, out3f += 3)
 715         {
 716                 in = v + vertremap[i];
 717                 out3f[0] = in->v[0] * scale[0] + translate[0];
 718                 out3f[1] = in->v[1] * scale[1] + translate[1];
 719                 out3f[2] = in->v[2] * scale[2] + translate[2];
 720         }
 721 }
 722
 723 void Mod_IDP2_Load(model_t *mod, void *buffer)
 724 {
 725         int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
 726         float *stverts, s, t, scale[3], translate[3];
 727         md2_t *pinmodel;
 728         qbyte *base, *datapointer;
 729         md2frame_t *pinframe;
 730         char *inskin;
 731         md2triangle_t *intri;
 732         unsigned short *inst;
 733         struct md2verthash_s
 734         {
 735                 struct md2verthash_s *next;
 736                 int xyz;
 737                 float st[2];
 738         }
 739         *hash, **md2verthash, *md2verthashdata;
 740         skinframe_t tempskinframe;
 741         skinfile_t *skinfiles;
 742
 743         pinmodel = buffer;
 744         base = buffer;
 745
 746         version = LittleLong (pinmodel->version);
 747         if (version != MD2ALIAS_VERSION)
 748                 Host_Error ("%s has wrong version number (%i should be %i)",
 749                         loadmodel->name, version, MD2ALIAS_VERSION);
 750
 751         loadmodel->type = mod_alias;
 752         loadmodel->DrawSky = NULL;
 753         loadmodel->Draw = R_Model_Alias_Draw;
 754         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 755         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 756         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 757
 758         if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
 759                 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
 760         if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
 761                 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
 762         if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
 763                 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
 764         if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
 765                 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
 766
 767         end = LittleLong(pinmodel->ofs_end);
 768         if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
 769                 Host_Error ("%s is not a valid model", loadmodel->name);
 770         if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
 771                 Host_Error ("%s is not a valid model", loadmodel->name);
 772         if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
 773                 Host_Error ("%s is not a valid model", loadmodel->name);
 774         if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
 775                 Host_Error ("%s is not a valid model", loadmodel->name);
 776         if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
 777                 Host_Error ("%s is not a valid model", loadmodel->name);
 778
 779         loadmodel->alias.aliasnum_meshes = 1;
 780         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
 781
 782         loadmodel->numskins = LittleLong(pinmodel->num_skins);
 783         numxyz = LittleLong(pinmodel->num_xyz);
 784         numst = LittleLong(pinmodel->num_st);
 785         loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
 786         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 787         loadmodel->alias.aliasdata_meshes->num_morphframes = loadmodel->numframes;
 788         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 789
 790         loadmodel->flags = 0; // there are no MD2 flags
 791         loadmodel->synctype = ST_RAND;
 792
 793         // load the skins
 794         inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
 795         if ((skinfiles = Mod_LoadSkinFiles()))
 796         {
 797                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 798                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
 799                 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
 800                 Mod_FreeSkinFiles(skinfiles);
 801         }
 802         else if (loadmodel->numskins)
 803         {
 804                 // skins found (most likely not a player model)
 805                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 806                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
 807                 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
 808                 {
 809                         if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
 810                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
 811                         else
 812                         {
 813                                 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
 814                                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
 815                         }
 816                 }
 817         }
 818         else
 819         {
 820                 // no skins (most likely a player model)
 821                 loadmodel->numskins = 1;
 822                 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
 823                 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
 824                 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
 825         }
 826
 827         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 828         for (i = 0;i < loadmodel->numskins;i++)
 829         {
 830                 loadmodel->skinscenes[i].firstframe = i;
 831                 loadmodel->skinscenes[i].framecount = 1;
 832                 loadmodel->skinscenes[i].loop = true;
 833                 loadmodel->skinscenes[i].framerate = 10;
 834         }
 835
 836         // load the triangles and stvert data
 837         inst = (void*)(base + LittleLong(pinmodel->ofs_st));
 838         intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
 839         skinwidth = LittleLong(pinmodel->skinwidth);
 840         skinheight = LittleLong(pinmodel->skinheight);
 841
 842         stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
 843         s = 1.0f / skinwidth;
 844         t = 1.0f / skinheight;
 845         for (i = 0;i < numst;i++)
 846         {
 847                 j = (unsigned short) LittleShort(inst[i*2+0]);
 848                 k = (unsigned short) LittleShort(inst[i*2+1]);
 849                 if (j >= skinwidth || k >= skinheight)
 850                 {
 851                         Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, j, k, i);
 852                         j = 0;
 853                         k = 0;
 854                 }
 855                 stverts[i*2+0] = j * s;
 856                 stverts[i*2+1] = k * t;
 857         }
 858
 859         md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
 860         md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
 861         // swap the triangle list
 862         num = 0;
 863         loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 864         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
 865         {
 866                 for (j = 0;j < 3;j++)
 867                 {
 868                         xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
 869                         st = (unsigned short) LittleShort (intri[i].index_st[j]);
 870                         if (xyz >= numxyz)
 871                         {
 872                                 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
 873                                 xyz = 0;
 874                         }
 875                         if (st >= numst)
 876                         {
 877                                 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
 878                                 st = 0;
 879                         }
 880                         s = stverts[st*2+0];
 881                         t = stverts[st*2+1];
 882                         hashindex = (xyz * 17 + st) & 255;
 883                         for (hash = md2verthash[hashindex];hash;hash = hash->next)
 884                                 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
 885                                         break;
 886                         if (hash == NULL)
 887                         {
 888                                 hash = md2verthashdata + num++;
 889                                 hash->xyz = xyz;
 890                                 hash->st[0] = s;
 891                                 hash->st[1] = t;
 892                                 hash->next = md2verthash[hashindex];
 893                                 md2verthash[hashindex] = hash;
 894                         }
 895                         loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
 896                 }
 897         }
 898
 899         Mem_Free(stverts);
 900
 901         numverts = num;
 902         loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
 903         vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
 904         loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
 905         for (i = 0;i < num;i++)
 906         {
 907                 hash = md2verthashdata + i;
 908                 vertremap[i] = hash->xyz;
 909                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
 910                 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
 911         }
 912
 913         Mem_Free(md2verthash);
 914         Mem_Free(md2verthashdata);
 915
 916         // load the frames
 917         datapointer = (base + LittleLong(pinmodel->ofs_frames));
 918         loadmodel->alias.aliasdata_meshes->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_morphframes * sizeof(float[3]));
 919         for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_morphframes;i++)
 920         {
 921                 pinframe = (md2frame_t *)datapointer;
 922                 datapointer += sizeof(md2frame_t);
 923                 for (j = 0;j < 3;j++)
 924                 {
 925                         scale[j] = LittleFloat(pinframe->scale[j]);
 926                         translate[j] = LittleFloat(pinframe->translate[j]);
 927                 }
 928                 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_morphvertex3f + i * numverts * 3, numverts, vertremap);
 929                 datapointer += numxyz * sizeof(trivertx_t);
 930
 931                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 932                 loadmodel->animscenes[i].firstframe = i;
 933                 loadmodel->animscenes[i].framecount = 1;
 934                 loadmodel->animscenes[i].framerate = 10;
 935                 loadmodel->animscenes[i].loop = true;
 936         }
 937
 938         Mem_Free(vertremap);
 939
 940         loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
 941         Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
 942         Mod_CalcAliasModelBBoxes();
 943         Mod_Alias_Mesh_CompileFrameZero(loadmodel->alias.aliasdata_meshes);
 944 }
 945
 946 void Mod_IDP3_Load(model_t *mod, void *buffer)
 947 {
 948         int i, j, k, version;
 949         md3modelheader_t *pinmodel;
 950         md3frameinfo_t *pinframe;
 951         md3mesh_t *pinmesh;
 952         md3tag_t *pintag;
 953         aliasmesh_t *mesh;
 954         skinfile_t *skinfiles;
 955
 956         pinmodel = buffer;
 957
 958         if (memcmp(pinmodel->identifier, "IDP3", 4))
 959                 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
 960         version = LittleLong (pinmodel->version);
 961         if (version != MD3VERSION)
 962                 Host_Error ("%s has wrong version number (%i should be %i)",
 963                         loadmodel->name, version, MD3VERSION);
 964
 965         skinfiles = Mod_LoadSkinFiles();
 966         if (loadmodel->numskins < 1)
 967                 loadmodel->numskins = 1;
 968
 969         loadmodel->type = mod_alias;
 970         loadmodel->DrawSky = NULL;
 971         loadmodel->Draw = R_Model_Alias_Draw;
 972         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
 973         loadmodel->DrawLight = R_Model_Alias_DrawLight;
 974         loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 975         loadmodel->flags = LittleLong(pinmodel->flags);
 976         loadmodel->synctype = ST_RAND;
 977
 978         // set up some global info about the model
 979         loadmodel->numframes = LittleLong(pinmodel->num_frames);
 980         loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
 981
 982         // make skinscenes for the skins (no groups)
 983         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
 984         for (i = 0;i < loadmodel->numskins;i++)
 985         {
 986                 loadmodel->skinscenes[i].firstframe = i;
 987                 loadmodel->skinscenes[i].framecount = 1;
 988                 loadmodel->skinscenes[i].loop = true;
 989                 loadmodel->skinscenes[i].framerate = 10;
 990         }
 991
 992         // load frameinfo
 993         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 994         for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
 995         {
 996                 strcpy(loadmodel->animscenes[i].name, pinframe->name);
 997                 loadmodel->animscenes[i].firstframe = i;
 998                 loadmodel->animscenes[i].framecount = 1;
 999                 loadmodel->animscenes[i].framerate = 10;
1000                 loadmodel->animscenes[i].loop = true;
1001         }
1002
1003         // load tags
1004         loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
1005         loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
1006         loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
1007         for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
1008         {
1009                 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
1010                 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
1011                 for (j = 0;j < 3;j++)
1012                 {
1013                         for (k = 0;k < 3;k++)
1014                                 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
1015                         loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
1016                 }
1017                 //Con_Printf("model \"%s\" frame #%i tag #%i \"%s\"\n", loadmodel->name, i / loadmodel->alias.aliasnum_tags, i % loadmodel->alias.aliasnum_tags, loadmodel->alias.aliasdata_tags[i].name);
1018         }
1019
1020         // load meshes
1021         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
1022         for (i = 0, pinmesh = (md3mesh_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->alias.aliasnum_meshes;i++, pinmesh = (md3mesh_t *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_end)))
1023         {
1024                 if (memcmp(pinmesh->identifier, "IDP3", 4))
1025                         Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
1026                 mesh = loadmodel->alias.aliasdata_meshes + i;
1027                 mesh->num_skins = loadmodel->numskins;
1028                 mesh->num_morphframes = LittleLong(pinmesh->num_frames);
1029                 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
1030                 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
1031                 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(texture_t));
1032                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1033                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1034                 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1035                 mesh->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_morphframes * sizeof(float[3]));
1036                 for (j = 0;j < mesh->num_triangles * 3;j++)
1037                         mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1038                 for (j = 0;j < mesh->num_vertices;j++)
1039                 {
1040                         mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1041                         mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1042                 }
1043                 for (j = 0;j < mesh->num_vertices * mesh->num_morphframes;j++)
1044                 {
1045                         mesh->data_morphvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 0]) * (1.0f / 64.0f);
1046                         mesh->data_morphvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 1]) * (1.0f / 64.0f);
1047                         mesh->data_morphvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 2]) * (1.0f / 64.0f);
1048                 }
1049
1050                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1051                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1052                 Mod_Alias_Mesh_CompileFrameZero(mesh);
1053
1054                 if (LittleLong(pinmesh->num_shaders) >= 1)
1055                         Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1056                 else
1057                         for (j = 0;j < mesh->num_skins;j++)
1058                                 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
1059         }
1060         Mod_CalcAliasModelBBoxes();
1061         Mod_FreeSkinFiles(skinfiles);
1062 }
1063
1064 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
1065 {
1066         zymtype1header_t *pinmodel, *pheader;
1067         qbyte *pbase;
1068         int i, j, k, l, numposes, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements, *remapvertices;
1069         float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f;
1070         zymvertex_t *verts, *vertdata;
1071         zymscene_t *scene;
1072         zymbone_t *bone;
1073         char *shadername;
1074         skinfile_t *skinfiles;
1075         aliasmesh_t *mesh;
1076
1077         pinmodel = (void *)buffer;
1078         pbase = buffer;
1079         if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1080                 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
1081         if (BigLong(pinmodel->type) != 1)
1082                 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
1083
1084         loadmodel->type = mod_alias;
1085         loadmodel->DrawSky = NULL;
1086         loadmodel->Draw = R_Model_Alias_Draw;
1087         loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
1088         loadmodel->DrawLight = R_Model_Alias_DrawLight;
1089         //loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox; // FIXME: implement collisions
1090         loadmodel->flags = 0; // there are no flags on zym models
1091         loadmodel->synctype = ST_RAND;
1092
1093         // byteswap header
1094         pheader = pinmodel;
1095         pheader->type = BigLong(pinmodel->type);
1096         pheader->filesize = BigLong(pinmodel->filesize);
1097         pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1098         pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1099         pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1100         pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1101         pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1102         pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1103         pheader->radius = BigFloat(pinmodel->radius);
1104         pheader->numverts = BigLong(pinmodel->numverts);
1105         pheader->numtris = BigLong(pinmodel->numtris);
1106         pheader->numshaders = BigLong(pinmodel->numshaders);
1107         pheader->numbones = BigLong(pinmodel->numbones);
1108         pheader->numscenes = BigLong(pinmodel->numscenes);
1109         pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1110         pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1111         pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1112         pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1113         pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1114         pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1115         pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1116         pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1117         pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1118         pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1119         pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1120         pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1121         pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1122         pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1123         pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1124         pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1125         pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1126         pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1127
1128         loadmodel->numframes = pheader->numscenes;
1129         loadmodel->alias.aliasnum_meshes = pheader->numshaders;
1130
1131         skinfiles = Mod_LoadSkinFiles();
1132         if (loadmodel->numskins < 1)
1133                 loadmodel->numskins = 1;
1134
1135         // make skinscenes for the skins (no groups)
1136         loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1137         for (i = 0;i < loadmodel->numskins;i++)
1138         {
1139                 loadmodel->skinscenes[i].firstframe = i;
1140                 loadmodel->skinscenes[i].framecount = 1;
1141                 loadmodel->skinscenes[i].loop = true;
1142                 loadmodel->skinscenes[i].framerate = 10;
1143         }
1144
1145         // model bbox
1146         modelradius = pheader->radius;
1147         for (i = 0;i < 3;i++)
1148         {
1149                 loadmodel->normalmins[i] = pheader->mins[i];
1150                 loadmodel->normalmaxs[i] = pheader->maxs[i];
1151                 loadmodel->rotatedmins[i] = -modelradius;
1152                 loadmodel->rotatedmaxs[i] = modelradius;
1153         }
1154         corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1155         corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1156         loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1157         if (loadmodel->yawmaxs[0] > modelradius)
1158                 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1159         loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1160         loadmodel->yawmins[2] = loadmodel->normalmins[2];
1161         loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1162         loadmodel->radius = modelradius;
1163         loadmodel->radius2 = modelradius * modelradius;
1164
1165         // go through the lumps, swapping things
1166
1167         //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1168         loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1169         scene = (void *) (pheader->lump_scenes.start + pbase);
1170         numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1171         for (i = 0;i < pheader->numscenes;i++)
1172         {
1173                 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1174                 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1175                 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1176                 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1177                 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1178                 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1179                         Host_Error("%s scene->firstframe (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1180                 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1181                         Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1182                 if (loadmodel->animscenes[i].framerate < 0)
1183                         Host_Error("%s scene->framerate (%f) < 0\n", loadmodel->name, loadmodel->animscenes[i].framerate);
1184                 scene++;
1185         }
1186
1187         //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1188         loadmodel->alias.aliasnum_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1189         loadmodel->alias.aliasdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1190         poses = (void *) (pheader->lump_poses.start + pbase);
1191         for (i = 0;i < pheader->lump_poses.length / 4;i++)
1192                 loadmodel->alias.aliasdata_poses[i] = BigFloat(poses[i]);
1193
1194         //zymlump_t lump_bones; // zymbone_t bone[numbones];
1195         loadmodel->alias.aliasnum_bones = pheader->numbones;
1196         loadmodel->alias.aliasdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1197         bone = (void *) (pheader->lump_bones.start + pbase);
1198         for (i = 0;i < pheader->numbones;i++)
1199         {
1200                 memcpy(loadmodel->alias.aliasdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1201                 loadmodel->alias.aliasdata_bones[i].flags = BigLong(bone[i].flags);
1202                 loadmodel->alias.aliasdata_bones[i].parent = BigLong(bone[i].parent);
1203                 if (loadmodel->alias.aliasdata_bones[i].parent >= i)
1204                         Host_Error("%s bone[%i].parent >= %i\n", loadmodel->name, i, i);
1205         }
1206
1207         //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1208         vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1209         bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1210         for (i = 0;i < pheader->numverts;i++)
1211         {
1212                 vertbonecounts[i] = BigLong(bonecount[i]);
1213                 if (vertbonecounts[i] < 1)
1214                         Host_Error("%s bonecount[%i] < 1\n", loadmodel->name, i);
1215         }
1216
1217         //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1218         verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1219         vertdata = (void *) (pheader->lump_verts.start + pbase);
1220         for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1221         {
1222                 verts[i].bonenum = BigLong(vertdata[i].bonenum);
1223                 verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1224                 verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1225                 verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1226         }
1227
1228         //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1229         outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1230         intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1231         for (i = 0;i < pheader->numverts;i++)
1232         {
1233                 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1234                 // flip T coordinate for OpenGL
1235                 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1236         }
1237
1238         //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1239         //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1240         //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1241
1242         loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
1243
1244         //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1245         //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)
1246         // byteswap, validate, and swap winding order of tris
1247         count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1248         if (pheader->lump_render.length != count)
1249                 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1250         renderlist = (void *) (pheader->lump_render.start + pbase);
1251         renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1252         for (i = 0;i < loadmodel->alias.aliasnum_meshes;i++)
1253         {
1254                 if (renderlist >= renderlistend)
1255                         Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1256                 count = BigLong(*renderlist);renderlist++;
1257                 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1258                         Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1259                 mesh = loadmodel->alias.aliasdata_meshes + i;
1260                 mesh->num_skins = loadmodel->numskins;
1261                 mesh->num_triangles = count;
1262                 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(texture_t));
1263                 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1264                 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1265                 outelements = mesh->data_element3i;
1266                 for (j = 0;j < mesh->num_triangles;j++)
1267                 {
1268                         outelements[2] = BigLong(renderlist[0]);
1269                         outelements[1] = BigLong(renderlist[1]);
1270                         outelements[0] = BigLong(renderlist[2]);
1271                         if ((unsigned int)outelements[0] >= (unsigned int)pheader->numverts
1272                          || (unsigned int)outelements[1] >= (unsigned int)pheader->numverts
1273                          || (unsigned int)outelements[2] >= (unsigned int)pheader->numverts)
1274                                 Host_Error("%s corrupt renderlist (out of bounds index)\n", loadmodel->name);
1275                         renderlist += 3;
1276                         outelements += 3;
1277                 }
1278                 remapvertices = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1279                 mesh->num_vertices = Mod_BuildVertexRemapTableFromElements(mesh->num_triangles * 3, mesh->data_element3i, pheader->numverts, remapvertices);
1280                 for (j = 0;j < mesh->num_triangles * 3;j++)
1281                         mesh->data_element3i[j] = remapvertices[mesh->data_element3i[j]];
1282                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1283                 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1284                 for (j = 0;j < pheader->numverts;j++)
1285                 {
1286                         if (remapvertices[j] >= 0)
1287                         {
1288                                 mesh->data_texcoord2f[remapvertices[j]*2+0] = outtexcoord2f[j*2+0];
1289                                 mesh->data_texcoord2f[remapvertices[j]*2+1] = outtexcoord2f[j*2+1];
1290                         }
1291                 }
1292                 mesh->num_vertexboneweights = 0;
1293                 for (j = 0;j < mesh->num_vertices;j++)
1294                         if (remapvertices[j] >= 0)
1295                                 mesh->num_vertexboneweights += vertbonecounts[remapvertices[j]];
1296                 mesh->data_vertexboneweights = Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(aliasvertexboneweight_t));
1297                 mesh->num_vertexboneweights = 0;
1298                 // note this vertexboneweight ordering requires that the remapvertices array is sequential numbers (separated by -1 values for omitted vertices)
1299                 l = 0;
1300                 for (j = 0;j < mesh->num_vertices;j++)
1301                 {
1302                         if (remapvertices[j] < 0)
1303                         {
1304                                 l += vertbonecounts[j];
1305                                 continue;
1306                         }
1307                         for (k = 0;k < vertbonecounts[j];k++)
1308                         {
1309                                 // this format really should have had a per vertexweight weight value...
1310                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = remapvertices[j];
1311                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = verts[l].bonenum;
1312                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3] = 1.0f / vertbonecounts[j];
1313                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[0] = verts[l].origin[0] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1314                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[1] = verts[l].origin[1] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1315                                 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[2] = verts[l].origin[2] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1316                                 mesh->num_vertexboneweights++;
1317                                 l++;
1318                         }
1319                 }
1320
1321                 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1322                 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1323                 Mod_Alias_Mesh_CompileFrameZero(mesh);
1324
1325                 // since zym models do not have named sections, reuse their shader
1326                 // name as the section name
1327                 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1328                 if (shadername[0])
1329                         Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, shadername, shadername);
1330                 else
1331                         for (j = 0;j < mesh->num_skins;j++)
1332                                 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
1333         }
1334
1335         Mem_Free(vertbonecounts);
1336         Mem_Free(verts);
1337         Mem_Free(outtexcoord2f);
1338 }
1339