model_shared.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 // models.c -- model loading and caching
  21
  22 // models are the only shared resource between a client and server running
  23 // on the same machine.
  24
  25 #include "quakedef.h"
  26 #include "image.h"
  27 #include "r_shadow.h"
  28 #include "polygon.h"
  29
  30 cvar_t r_enableshadowvolumes = {CVAR_SAVE, "r_enableshadowvolumes", "1", "Enables use of Stencil Shadow Volume shadowing methods, saves some memory if turned off"};
  31 cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0", "mipmaps model skins so they render faster in the distance and do not display noise artifacts, can cause discoloration of skins if they contain undesirable border colors"};
  32 cvar_t r_mipnormalmaps = {CVAR_SAVE, "r_mipnormalmaps", "1", "mipmaps normalmaps (turning it off looks sharper but may have aliasing)"};
  33 cvar_t mod_generatelightmaps_unitspersample = {CVAR_SAVE, "mod_generatelightmaps_unitspersample", "8", "lightmap resolution"};
  34 cvar_t mod_generatelightmaps_borderpixels = {CVAR_SAVE, "mod_generatelightmaps_borderpixels", "2", "extra space around polygons to prevent sampling artifacts"};
  35 cvar_t mod_generatelightmaps_texturesize = {CVAR_SAVE, "mod_generatelightmaps_texturesize", "1024", "size of lightmap textures"};
  36 cvar_t mod_generatelightmaps_lightmapsamples = {CVAR_SAVE, "mod_generatelightmaps_lightmapsamples", "16", "number of shadow tests done per lightmap pixel"};
  37 cvar_t mod_generatelightmaps_vertexsamples = {CVAR_SAVE, "mod_generatelightmaps_vertexsamples", "16", "number of shadow tests done per vertex"};
  38 cvar_t mod_generatelightmaps_gridsamples = {CVAR_SAVE, "mod_generatelightmaps_gridsamples", "64", "number of shadow tests done per lightgrid cell"};
  39 cvar_t mod_generatelightmaps_lightmapradius = {CVAR_SAVE, "mod_generatelightmaps_lightmapradius", "16", "sampling area around each lightmap pixel"};
  40 cvar_t mod_generatelightmaps_vertexradius = {CVAR_SAVE, "mod_generatelightmaps_vertexradius", "16", "sampling area around each vertex"};
  41 cvar_t mod_generatelightmaps_gridradius = {CVAR_SAVE, "mod_generatelightmaps_gridradius", "64", "sampling area around each lightgrid cell center"};
  42
  43 dp_model_t *loadmodel;
  44
  45 static mempool_t *mod_mempool;
  46 static memexpandablearray_t models;
  47
  48 static mempool_t* q3shaders_mem;
  49 typedef struct q3shader_hash_entry_s
  50 {
  51   q3shaderinfo_t shader;
  52   struct q3shader_hash_entry_s* chain;
  53 } q3shader_hash_entry_t;
  54 #define Q3SHADER_HASH_SIZE  1021
  55 typedef struct q3shader_data_s
  56 {
  57   memexpandablearray_t hash_entries;
  58   q3shader_hash_entry_t hash[Q3SHADER_HASH_SIZE];
  59   memexpandablearray_t char_ptrs;
  60 } q3shader_data_t;
  61 static q3shader_data_t* q3shader_data;
  62
  63 static void mod_start(void)
  64 {
  65         int i, count;
  66         int nummodels = Mem_ExpandableArray_IndexRange(&models);
  67         dp_model_t *mod;
  68
  69         SCR_PushLoadingScreen(false, "Loading models", 1.0);
  70         count = 0;
  71         for (i = 0;i < nummodels;i++)
  72                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*')
  73                         if (mod->used)
  74                                 ++count;
  75         for (i = 0;i < nummodels;i++)
  76                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*')
  77                         if (mod->used)
  78                         {
  79                                 SCR_PushLoadingScreen(true, mod->name, 1.0 / count);
  80                                 Mod_LoadModel(mod, true, false);
  81                                 SCR_PopLoadingScreen(false);
  82                         }
  83         SCR_PopLoadingScreen(false);
  84 }
  85
  86 static void mod_shutdown(void)
  87 {
  88         int i;
  89         int nummodels = Mem_ExpandableArray_IndexRange(&models);
  90         dp_model_t *mod;
  91
  92         for (i = 0;i < nummodels;i++)
  93                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && (mod->loaded || mod->mempool))
  94                         Mod_UnloadModel(mod);
  95
  96         Mod_FreeQ3Shaders();
  97         Mod_Skeletal_FreeBuffers();
  98 }
  99
 100 static void mod_newmap(void)
 101 {
 102         msurface_t *surface;
 103         int i, j, k, surfacenum, ssize, tsize;
 104         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 105         dp_model_t *mod;
 106
 107         for (i = 0;i < nummodels;i++)
 108         {
 109                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->mempool)
 110                 {
 111                         for (j = 0;j < mod->num_textures && mod->data_textures;j++)
 112                         {
 113                                 for (k = 0;k < mod->data_textures[j].numskinframes;k++)
 114                                         R_SkinFrame_MarkUsed(mod->data_textures[j].skinframes[k]);
 115                                 for (k = 0;k < mod->data_textures[j].backgroundnumskinframes;k++)
 116                                         R_SkinFrame_MarkUsed(mod->data_textures[j].backgroundskinframes[k]);
 117                         }
 118                         if (mod->brush.solidskyskinframe)
 119                                 R_SkinFrame_MarkUsed(mod->brush.solidskyskinframe);
 120                         if (mod->brush.alphaskyskinframe)
 121                                 R_SkinFrame_MarkUsed(mod->brush.alphaskyskinframe);
 122                 }
 123         }
 124
 125         if (!cl_stainmaps_clearonload.integer)
 126                 return;
 127
 128         for (i = 0;i < nummodels;i++)
 129         {
 130                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->mempool && mod->data_surfaces)
 131                 {
 132                         for (surfacenum = 0, surface = mod->data_surfaces;surfacenum < mod->num_surfaces;surfacenum++, surface++)
 133                         {
 134                                 if (surface->lightmapinfo && surface->lightmapinfo->stainsamples)
 135                                 {
 136                                         ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
 137                                         tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
 138                                         memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
 139                                         mod->brushq1.lightmapupdateflags[surfacenum] = true;
 140                                 }
 141                         }
 142                 }
 143         }
 144 }
 145
 146 /*
 147 ===============
 148 Mod_Init
 149 ===============
 150 */
 151 static void Mod_Print(void);
 152 static void Mod_Precache (void);
 153 static void Mod_Decompile_f(void);
 154 static void Mod_GenerateLightmaps_f(void);
 155 void Mod_Init (void)
 156 {
 157         mod_mempool = Mem_AllocPool("modelinfo", 0, NULL);
 158         Mem_ExpandableArray_NewArray(&models, mod_mempool, sizeof(dp_model_t), 16);
 159
 160         Mod_BrushInit();
 161         Mod_AliasInit();
 162         Mod_SpriteInit();
 163
 164         Cvar_RegisterVariable(&r_enableshadowvolumes);
 165         Cvar_RegisterVariable(&r_mipskins);
 166         Cvar_RegisterVariable(&r_mipnormalmaps);
 167         Cvar_RegisterVariable(&mod_generatelightmaps_unitspersample);
 168         Cvar_RegisterVariable(&mod_generatelightmaps_borderpixels);
 169         Cvar_RegisterVariable(&mod_generatelightmaps_texturesize);
 170
 171         Cvar_RegisterVariable(&mod_generatelightmaps_lightmapsamples);
 172         Cvar_RegisterVariable(&mod_generatelightmaps_vertexsamples);
 173         Cvar_RegisterVariable(&mod_generatelightmaps_gridsamples);
 174         Cvar_RegisterVariable(&mod_generatelightmaps_lightmapradius);
 175         Cvar_RegisterVariable(&mod_generatelightmaps_vertexradius);
 176         Cvar_RegisterVariable(&mod_generatelightmaps_gridradius);
 177
 178         Cmd_AddCommand ("modellist", Mod_Print, "prints a list of loaded models");
 179         Cmd_AddCommand ("modelprecache", Mod_Precache, "load a model");
 180         Cmd_AddCommand ("modeldecompile", Mod_Decompile_f, "exports a model in several formats for editing purposes");
 181         Cmd_AddCommand ("mod_generatelightmaps", Mod_GenerateLightmaps_f, "rebuilds lighting on current worldmodel");
 182 }
 183
 184 void Mod_RenderInit(void)
 185 {
 186         R_RegisterModule("Models", mod_start, mod_shutdown, mod_newmap, NULL, NULL);
 187 }
 188
 189 void Mod_UnloadModel (dp_model_t *mod)
 190 {
 191         char name[MAX_QPATH];
 192         qboolean used;
 193         dp_model_t *parentmodel;
 194
 195         if (developer_loading.integer)
 196                 Con_Printf("unloading model %s\n", mod->name);
 197
 198         strlcpy(name, mod->name, sizeof(name));
 199         parentmodel = mod->brush.parentmodel;
 200         used = mod->used;
 201         if (mod->mempool)
 202         {
 203                 if (mod->surfmesh.vertex3fbuffer)
 204                         R_Mesh_DestroyMeshBuffer(mod->surfmesh.vertex3fbuffer);
 205                 mod->surfmesh.vertex3fbuffer = NULL;
 206                 if (mod->surfmesh.vertexmeshbuffer)
 207                         R_Mesh_DestroyMeshBuffer(mod->surfmesh.vertexmeshbuffer);
 208                 mod->surfmesh.vertexmeshbuffer = NULL;
 209                 if (mod->surfmesh.data_element3i_indexbuffer)
 210                         R_Mesh_DestroyMeshBuffer(mod->surfmesh.data_element3i_indexbuffer);
 211                 mod->surfmesh.data_element3i_indexbuffer = NULL;
 212                 if (mod->surfmesh.data_element3s_indexbuffer)
 213                         R_Mesh_DestroyMeshBuffer(mod->surfmesh.data_element3s_indexbuffer);
 214                 mod->surfmesh.data_element3s_indexbuffer = NULL;
 215                 if (mod->surfmesh.vbo_vertexbuffer)
 216                         R_Mesh_DestroyMeshBuffer(mod->surfmesh.vbo_vertexbuffer);
 217                 mod->surfmesh.vbo_vertexbuffer = NULL;
 218         }
 219         // free textures/memory attached to the model
 220         R_FreeTexturePool(&mod->texturepool);
 221         Mem_FreePool(&mod->mempool);
 222         // clear the struct to make it available
 223         memset(mod, 0, sizeof(dp_model_t));
 224         // restore the fields we want to preserve
 225         strlcpy(mod->name, name, sizeof(mod->name));
 226         mod->brush.parentmodel = parentmodel;
 227         mod->used = used;
 228         mod->loaded = false;
 229 }
 230
 231 void R_Model_Null_Draw(entity_render_t *ent)
 232 {
 233         return;
 234 }
 235
 236
 237 typedef void (*mod_framegroupify_parsegroups_t) (unsigned int i, int start, int len, float fps, qboolean loop, void *pass);
 238
 239 int Mod_FrameGroupify_ParseGroups(const char *buf, mod_framegroupify_parsegroups_t cb, void *pass)
 240 {
 241         const char *bufptr;
 242         int start, len;
 243         float fps;
 244         unsigned int i;
 245         qboolean loop;
 246
 247         bufptr = buf;
 248         i = 0;
 249         for(;;)
 250         {
 251                 // an anim scene!
 252                 if (!COM_ParseToken_Simple(&bufptr, true, false))
 253                         break;
 254                 if (!strcmp(com_token, "\n"))
 255                         continue; // empty line
 256                 start = atoi(com_token);
 257                 if (!COM_ParseToken_Simple(&bufptr, true, false))
 258                         break;
 259                 if (!strcmp(com_token, "\n"))
 260                 {
 261                         Con_Printf("framegroups file: missing number of frames\n");
 262                         continue;
 263                 }
 264                 len = atoi(com_token);
 265                 if (!COM_ParseToken_Simple(&bufptr, true, false))
 266                         break;
 267                 // we default to looping as it's usually wanted, so to NOT loop you append a 0
 268                 if (strcmp(com_token, "\n"))
 269                 {
 270                         fps = atof(com_token);
 271                         if (!COM_ParseToken_Simple(&bufptr, true, false))
 272                                 break;
 273                         if (strcmp(com_token, "\n"))
 274                                 loop = atoi(com_token) != 0;
 275                         else
 276                                 loop = true;
 277                 }
 278                 else
 279                 {
 280                         fps = 20;
 281                         loop = true;
 282                 }
 283
 284                 if(cb)
 285                         cb(i, start, len, fps, loop, pass);
 286                 ++i;
 287         }
 288
 289         return i;
 290 }
 291
 292 void Mod_FrameGroupify_ParseGroups_Count (unsigned int i, int start, int len, float fps, qboolean loop, void *pass)
 293 {
 294         unsigned int *cnt = (unsigned int *) pass;
 295         ++*cnt;
 296 }
 297
 298 void Mod_FrameGroupify_ParseGroups_Store (unsigned int i, int start, int len, float fps, qboolean loop, void *pass)
 299 {
 300         dp_model_t *mod = (dp_model_t *) pass;
 301         animscene_t *anim = &mod->animscenes[i];
 302         dpsnprintf(anim->name, sizeof(anim[i].name), "groupified_%d_anim", i);
 303         anim->firstframe = bound(0, start, mod->num_poses - 1);
 304         anim->framecount = bound(1, len, mod->num_poses - anim->firstframe);
 305         anim->framerate = max(1, fps);
 306         anim->loop = !!loop;
 307         //Con_Printf("frame group %d is %d %d %f %d\n", i, start, len, fps, loop);
 308 }
 309
 310 void Mod_FrameGroupify(dp_model_t *mod, const char *buf)
 311 {
 312         unsigned int cnt;
 313
 314         // 0. count
 315         cnt = Mod_FrameGroupify_ParseGroups(buf, NULL, NULL);
 316         if(!cnt)
 317         {
 318                 Con_Printf("no scene found in framegroups file, aborting\n");
 319                 return;
 320         }
 321         mod->numframes = cnt;
 322
 323         // 1. reallocate
 324         // (we do not free the previous animscenes, but model unloading will free the pool owning them, so it's okay)
 325         mod->animscenes = (animscene_t *) Mem_Alloc(mod->mempool, sizeof(animscene_t) * mod->numframes);
 326
 327         // 2. parse
 328         Mod_FrameGroupify_ParseGroups(buf, Mod_FrameGroupify_ParseGroups_Store, mod);
 329 }
 330
 331 void Mod_FindPotentialDeforms(dp_model_t *mod)
 332 {
 333         int i, j;
 334         texture_t *texture;
 335         mod->wantnormals = false;
 336         mod->wanttangents = false;
 337         for (i = 0;i < mod->num_textures;i++)
 338         {
 339                 texture = mod->data_textures + i;
 340                 if (texture->tcgen.tcgen == Q3TCGEN_ENVIRONMENT)
 341                         mod->wantnormals = true;
 342                 for (j = 0;j < Q3MAXDEFORMS;j++)
 343                 {
 344                         if (texture->deforms[j].deform == Q3DEFORM_AUTOSPRITE)
 345                         {
 346                                 mod->wanttangents = true;
 347                                 mod->wantnormals = true;
 348                                 break;
 349                         }
 350                         if (texture->deforms[j].deform != Q3DEFORM_NONE)
 351                                 mod->wantnormals = true;
 352                 }
 353         }
 354 }
 355
 356 /*
 357 ==================
 358 Mod_LoadModel
 359
 360 Loads a model
 361 ==================
 362 */
 363 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk)
 364 {
 365         int num;
 366         unsigned int crc;
 367         void *buf;
 368         fs_offset_t filesize = 0;
 369
 370         mod->used = true;
 371
 372         if (mod->name[0] == '*') // submodel
 373                 return mod;
 374
 375         if (!strcmp(mod->name, "null"))
 376         {
 377                 if(mod->loaded)
 378                         return mod;
 379
 380                 if (mod->loaded || mod->mempool)
 381                         Mod_UnloadModel(mod);
 382
 383                 if (developer_loading.integer)
 384                         Con_Printf("loading model %s\n", mod->name);
 385
 386                 mod->used = true;
 387                 mod->crc = (unsigned int)-1;
 388                 mod->loaded = false;
 389
 390                 VectorClear(mod->normalmins);
 391                 VectorClear(mod->normalmaxs);
 392                 VectorClear(mod->yawmins);
 393                 VectorClear(mod->yawmaxs);
 394                 VectorClear(mod->rotatedmins);
 395                 VectorClear(mod->rotatedmaxs);
 396
 397                 mod->modeldatatypestring = "null";
 398                 mod->type = mod_null;
 399                 mod->Draw = R_Model_Null_Draw;
 400                 mod->numframes = 2;
 401                 mod->numskins = 1;
 402
 403                 // no fatal errors occurred, so this model is ready to use.
 404                 mod->loaded = true;
 405
 406                 return mod;
 407         }
 408
 409         crc = 0;
 410         buf = NULL;
 411
 412         // even if the model is loaded it still may need reloading...
 413
 414         // if it is not loaded or checkdisk is true we need to calculate the crc
 415         if (!mod->loaded || checkdisk)
 416         {
 417                 if (checkdisk && mod->loaded)
 418                         Con_DPrintf("checking model %s\n", mod->name);
 419                 buf = FS_LoadFile (mod->name, tempmempool, false, &filesize);
 420                 if (buf)
 421                 {
 422                         crc = CRC_Block((unsigned char *)buf, filesize);
 423                         // we need to reload the model if the crc does not match
 424                         if (mod->crc != crc)
 425                                 mod->loaded = false;
 426                 }
 427         }
 428
 429         // if the model is already loaded and checks passed, just return
 430         if (mod->loaded)
 431         {
 432                 if (buf)
 433                         Mem_Free(buf);
 434                 return mod;
 435         }
 436
 437         if (developer_loading.integer)
 438                 Con_Printf("loading model %s\n", mod->name);
 439
 440         SCR_PushLoadingScreen(true, mod->name, 1);
 441
 442         // LordHavoc: unload the existing model in this slot (if there is one)
 443         if (mod->loaded || mod->mempool)
 444                 Mod_UnloadModel(mod);
 445
 446         // load the model
 447         mod->used = true;
 448         mod->crc = crc;
 449         // errors can prevent the corresponding mod->loaded = true;
 450         mod->loaded = false;
 451
 452         // default model radius and bounding box (mainly for missing models)
 453         mod->radius = 16;
 454         VectorSet(mod->normalmins, -mod->radius, -mod->radius, -mod->radius);
 455         VectorSet(mod->normalmaxs, mod->radius, mod->radius, mod->radius);
 456         VectorSet(mod->yawmins, -mod->radius, -mod->radius, -mod->radius);
 457         VectorSet(mod->yawmaxs, mod->radius, mod->radius, mod->radius);
 458         VectorSet(mod->rotatedmins, -mod->radius, -mod->radius, -mod->radius);
 459         VectorSet(mod->rotatedmaxs, mod->radius, mod->radius, mod->radius);
 460
 461         if (!q3shaders_mem)
 462         {
 463                 // load q3 shaders for the first time, or after a level change
 464                 Mod_LoadQ3Shaders();
 465         }
 466
 467         if (buf)
 468         {
 469                 char *bufend = (char *)buf + filesize;
 470
 471                 // all models use memory, so allocate a memory pool
 472                 mod->mempool = Mem_AllocPool(mod->name, 0, NULL);
 473
 474                 num = LittleLong(*((int *)buf));
 475                 // call the apropriate loader
 476                 loadmodel = mod;
 477                 if (!strcasecmp(FS_FileExtension(mod->name), "obj")) Mod_OBJ_Load(mod, buf, bufend);
 478                 else if (!memcmp(buf, "IDPO", 4)) Mod_IDP0_Load(mod, buf, bufend);
 479                 else if (!memcmp(buf, "IDP2", 4)) Mod_IDP2_Load(mod, buf, bufend);
 480                 else if (!memcmp(buf, "IDP3", 4)) Mod_IDP3_Load(mod, buf, bufend);
 481                 else if (!memcmp(buf, "IDSP", 4)) Mod_IDSP_Load(mod, buf, bufend);
 482                 else if (!memcmp(buf, "IDS2", 4)) Mod_IDS2_Load(mod, buf, bufend);
 483                 else if (!memcmp(buf, "IBSP", 4)) Mod_IBSP_Load(mod, buf, bufend);
 484                 else if (!memcmp(buf, "ZYMOTICMODEL", 12)) Mod_ZYMOTICMODEL_Load(mod, buf, bufend);
 485                 else if (!memcmp(buf, "DARKPLACESMODEL", 16)) Mod_DARKPLACESMODEL_Load(mod, buf, bufend);
 486                 else if (!memcmp(buf, "ACTRHEAD", 8)) Mod_PSKMODEL_Load(mod, buf, bufend);
 487                 else if (!memcmp(buf, "INTERQUAKEMODEL", 16)) Mod_INTERQUAKEMODEL_Load(mod, buf, bufend);
 488                 else if (strlen(mod->name) >= 4 && !strcmp(mod->name + strlen(mod->name) - 4, ".map")) Mod_MAP_Load(mod, buf, bufend);
 489                 else if (num == BSPVERSION || num == 30) Mod_Q1BSP_Load(mod, buf, bufend);
 490                 else Con_Printf("Mod_LoadModel: model \"%s\" is of unknown/unsupported type\n", mod->name);
 491                 Mem_Free(buf);
 492
 493                 Mod_FindPotentialDeforms(mod);
 494
 495                 buf = FS_LoadFile (va("%s.framegroups", mod->name), tempmempool, false, &filesize);
 496                 if(buf)
 497                 {
 498                         Mod_FrameGroupify(mod, (const char *)buf);
 499                         Mem_Free(buf);
 500                 }
 501
 502                 Mod_BuildVBOs();
 503         }
 504         else if (crash)
 505         {
 506                 // LordHavoc: Sys_Error was *ANNOYING*
 507                 Con_Printf ("Mod_LoadModel: %s not found\n", mod->name);
 508         }
 509
 510         // no fatal errors occurred, so this model is ready to use.
 511         mod->loaded = true;
 512
 513         SCR_PopLoadingScreen(false);
 514
 515         return mod;
 516 }
 517
 518 void Mod_ClearUsed(void)
 519 {
 520         int i;
 521         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 522         dp_model_t *mod;
 523         for (i = 0;i < nummodels;i++)
 524                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0])
 525                         mod->used = false;
 526 }
 527
 528 void Mod_PurgeUnused(void)
 529 {
 530         int i;
 531         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 532         dp_model_t *mod;
 533         for (i = 0;i < nummodels;i++)
 534         {
 535                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && !mod->used)
 536                 {
 537                         Mod_UnloadModel(mod);
 538                         Mem_ExpandableArray_FreeRecord(&models, mod);
 539                 }
 540         }
 541 }
 542
 543 /*
 544 ==================
 545 Mod_FindName
 546
 547 ==================
 548 */
 549 dp_model_t *Mod_FindName(const char *name, const char *parentname)
 550 {
 551         int i;
 552         int nummodels;
 553         dp_model_t *mod;
 554
 555         if (!parentname)
 556                 parentname = "";
 557
 558         // if we're not dedicatd, the renderer calls will crash without video
 559         Host_StartVideo();
 560
 561         nummodels = Mem_ExpandableArray_IndexRange(&models);
 562
 563         if (!name[0])
 564                 Host_Error ("Mod_ForName: NULL name");
 565
 566         // search the currently loaded models
 567         for (i = 0;i < nummodels;i++)
 568         {
 569                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && !strcmp(mod->name, name) && ((!mod->brush.parentmodel && !parentname[0]) || (mod->brush.parentmodel && parentname[0] && !strcmp(mod->brush.parentmodel->name, parentname))))
 570                 {
 571                         mod->used = true;
 572                         return mod;
 573                 }
 574         }
 575
 576         // no match found, create a new one
 577         mod = (dp_model_t *) Mem_ExpandableArray_AllocRecord(&models);
 578         strlcpy(mod->name, name, sizeof(mod->name));
 579         if (parentname[0])
 580                 mod->brush.parentmodel = Mod_FindName(parentname, NULL);
 581         else
 582                 mod->brush.parentmodel = NULL;
 583         mod->loaded = false;
 584         mod->used = true;
 585         return mod;
 586 }
 587
 588 /*
 589 ==================
 590 Mod_ForName
 591
 592 Loads in a model for the given name
 593 ==================
 594 */
 595 dp_model_t *Mod_ForName(const char *name, qboolean crash, qboolean checkdisk, const char *parentname)
 596 {
 597         dp_model_t *model;
 598         model = Mod_FindName(name, parentname);
 599         if (!model->loaded || checkdisk)
 600                 Mod_LoadModel(model, crash, checkdisk);
 601         return model;
 602 }
 603
 604 /*
 605 ==================
 606 Mod_Reload
 607
 608 Reloads all models if they have changed
 609 ==================
 610 */
 611 void Mod_Reload(void)
 612 {
 613         int i, count;
 614         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 615         dp_model_t *mod;
 616
 617         SCR_PushLoadingScreen(false, "Reloading models", 1.0);
 618         count = 0;
 619         for (i = 0;i < nummodels;i++)
 620                 if ((mod = (dp_model_t *) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*' && mod->used)
 621                         ++count;
 622         for (i = 0;i < nummodels;i++)
 623                 if ((mod = (dp_model_t *) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*' && mod->used)
 624                 {
 625                         SCR_PushLoadingScreen(true, mod->name, 1.0 / count);
 626                         Mod_LoadModel(mod, true, true);
 627                         SCR_PopLoadingScreen(false);
 628                 }
 629         SCR_PopLoadingScreen(false);
 630 }
 631
 632 unsigned char *mod_base;
 633
 634
 635 //=============================================================================
 636
 637 /*
 638 ================
 639 Mod_Print
 640 ================
 641 */
 642 static void Mod_Print(void)
 643 {
 644         int i;
 645         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 646         dp_model_t *mod;
 647
 648         Con_Print("Loaded models:\n");
 649         for (i = 0;i < nummodels;i++)
 650         {
 651                 if ((mod = (dp_model_t *) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*')
 652                 {
 653                         if (mod->brush.numsubmodels)
 654                                 Con_Printf("%4iK %s (%i submodels)\n", mod->mempool ? (int)((mod->mempool->totalsize + 1023) / 1024) : 0, mod->name, mod->brush.numsubmodels);
 655                         else
 656                                 Con_Printf("%4iK %s\n", mod->mempool ? (int)((mod->mempool->totalsize + 1023) / 1024) : 0, mod->name);
 657                 }
 658         }
 659 }
 660
 661 /*
 662 ================
 663 Mod_Precache
 664 ================
 665 */
 666 static void Mod_Precache(void)
 667 {
 668         if (Cmd_Argc() == 2)
 669                 Mod_ForName(Cmd_Argv(1), false, true, Cmd_Argv(1)[0] == '*' ? cl.model_name[1] : NULL);
 670         else
 671                 Con_Print("usage: modelprecache <filename>\n");
 672 }
 673
 674 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices)
 675 {
 676         int i, count;
 677         unsigned char *used;
 678         used = (unsigned char *)Mem_Alloc(tempmempool, numvertices);
 679         memset(used, 0, numvertices);
 680         for (i = 0;i < numelements;i++)
 681                 used[elements[i]] = 1;
 682         for (i = 0, count = 0;i < numvertices;i++)
 683                 remapvertices[i] = used[i] ? count++ : -1;
 684         Mem_Free(used);
 685         return count;
 686 }
 687
 688 #if 1
 689 // fast way, using an edge hash
 690 #define TRIANGLEEDGEHASH 8192
 691 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles)
 692 {
 693         int i, j, p, e1, e2, *n, hashindex, count, match;
 694         const int *e;
 695         typedef struct edgehashentry_s
 696         {
 697                 struct edgehashentry_s *next;
 698                 int triangle;
 699                 int element[2];
 700         }
 701         edgehashentry_t;
 702         static edgehashentry_t **edgehash;
 703         edgehashentry_t *edgehashentries, *hash;
 704         if (!numtriangles)
 705                 return;
 706         edgehash = (edgehashentry_t **)Mem_Alloc(tempmempool, TRIANGLEEDGEHASH * sizeof(*edgehash));
 707         // if there are too many triangles for the stack array, allocate larger buffer
 708         edgehashentries = (edgehashentry_t *)Mem_Alloc(tempmempool, numtriangles * 3 * sizeof(edgehashentry_t));
 709         // find neighboring triangles
 710         for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
 711         {
 712                 for (j = 0, p = 2;j < 3;p = j, j++)
 713                 {
 714                         e1 = e[p];
 715                         e2 = e[j];
 716                         // this hash index works for both forward and backward edges
 717                         hashindex = (unsigned int)(e1 + e2) % TRIANGLEEDGEHASH;
 718                         hash = edgehashentries + i * 3 + j;
 719                         hash->next = edgehash[hashindex];
 720                         edgehash[hashindex] = hash;
 721                         hash->triangle = i;
 722                         hash->element[0] = e1;
 723                         hash->element[1] = e2;
 724                 }
 725         }
 726         for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
 727         {
 728                 for (j = 0, p = 2;j < 3;p = j, j++)
 729                 {
 730                         e1 = e[p];
 731                         e2 = e[j];
 732                         // this hash index works for both forward and backward edges
 733                         hashindex = (unsigned int)(e1 + e2) % TRIANGLEEDGEHASH;
 734                         count = 0;
 735                         match = -1;
 736                         for (hash = edgehash[hashindex];hash;hash = hash->next)
 737                         {
 738                                 if (hash->element[0] == e2 && hash->element[1] == e1)
 739                                 {
 740                                         if (hash->triangle != i)
 741                                                 match = hash->triangle;
 742                                         count++;
 743                                 }
 744                                 else if ((hash->element[0] == e1 && hash->element[1] == e2))
 745                                         count++;
 746                         }
 747                         // detect edges shared by three triangles and make them seams
 748                         if (count > 2)
 749                                 match = -1;
 750                         n[p] = match;
 751                 }
 752
 753                 // also send a keepalive here (this can take a while too!)
 754                 CL_KeepaliveMessage(false);
 755         }
 756         // free the allocated buffer
 757         Mem_Free(edgehashentries);
 758         Mem_Free(edgehash);
 759 }
 760 #else
 761 // very slow but simple way
 762 static int Mod_FindTriangleWithEdge(const int *elements, int numtriangles, int start, int end, int ignore)
 763 {
 764         int i, match, count;
 765         count = 0;
 766         match = -1;
 767         for (i = 0;i < numtriangles;i++, elements += 3)
 768         {
 769                      if ((elements[0] == start && elements[1] == end)
 770                       || (elements[1] == start && elements[2] == end)
 771                       || (elements[2] == start && elements[0] == end))
 772                 {
 773                         if (i != ignore)
 774                                 match = i;
 775                         count++;
 776                 }
 777                 else if ((elements[1] == start && elements[0] == end)
 778                       || (elements[2] == start && elements[1] == end)
 779                       || (elements[0] == start && elements[2] == end))
 780                         count++;
 781         }
 782         // detect edges shared by three triangles and make them seams
 783         if (count > 2)
 784                 match = -1;
 785         return match;
 786 }
 787
 788 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles)
 789 {
 790         int i, *n;
 791         const int *e;
 792         for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
 793         {
 794                 n[0] = Mod_FindTriangleWithEdge(elements, numtriangles, e[1], e[0], i);
 795                 n[1] = Mod_FindTriangleWithEdge(elements, numtriangles, e[2], e[1], i);
 796                 n[2] = Mod_FindTriangleWithEdge(elements, numtriangles, e[0], e[2], i);
 797         }
 798 }
 799 #endif
 800
 801 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline)
 802 {
 803         int i, warned = false, endvertex = firstvertex + numverts;
 804         for (i = 0;i < numtriangles * 3;i++)
 805         {
 806                 if (elements[i] < firstvertex || elements[i] >= endvertex)
 807                 {
 808                         if (!warned)
 809                         {
 810                                 warned = true;
 811                                 Con_Printf("Mod_ValidateElements: out of bounds elements detected at %s:%d\n", filename, fileline);
 812                         }
 813                         elements[i] = firstvertex;
 814                 }
 815         }
 816 }
 817
 818 // warning: this is an expensive function!
 819 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting)
 820 {
 821         int i, j;
 822         const int *element;
 823         float *vectorNormal;
 824         float areaNormal[3];
 825         // clear the vectors
 826         memset(normal3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
 827         // process each vertex of each triangle and accumulate the results
 828         // use area-averaging, to make triangles with a big area have a bigger
 829         // weighting on the vertex normal than triangles with a small area
 830         // to do so, just add the 'normals' together (the bigger the area
 831         // the greater the length of the normal is
 832         element = elements;
 833         for (i = 0; i < numtriangles; i++, element += 3)
 834         {
 835                 TriangleNormal(
 836                         vertex3f + element[0] * 3,
 837                         vertex3f + element[1] * 3,
 838                         vertex3f + element[2] * 3,
 839                         areaNormal
 840                         );
 841
 842                 if (!areaweighting)
 843                         VectorNormalize(areaNormal);
 844
 845                 for (j = 0;j < 3;j++)
 846                 {
 847                         vectorNormal = normal3f + element[j] * 3;
 848                         vectorNormal[0] += areaNormal[0];
 849                         vectorNormal[1] += areaNormal[1];
 850                         vectorNormal[2] += areaNormal[2];
 851                 }
 852         }
 853         // and just normalize the accumulated vertex normal in the end
 854         vectorNormal = normal3f + 3 * firstvertex;
 855         for (i = 0; i < numvertices; i++, vectorNormal += 3)
 856                 VectorNormalize(vectorNormal);
 857 }
 858
 859 void Mod_BuildBumpVectors(const float *v0, const float *v1, const float *v2, const float *tc0, const float *tc1, const float *tc2, float *svector3f, float *tvector3f, float *normal3f)
 860 {
 861         float f, tangentcross[3], v10[3], v20[3], tc10[2], tc20[2];
 862         // 79 add/sub/negate/multiply (1 cycle), 1 compare (3 cycle?), total cycles not counting load/store/exchange roughly 82 cycles
 863         // 6 add, 28 subtract, 39 multiply, 1 compare, 50% chance of 6 negates
 864
 865         // 6 multiply, 9 subtract
 866         VectorSubtract(v1, v0, v10);
 867         VectorSubtract(v2, v0, v20);
 868         normal3f[0] = v20[1] * v10[2] - v20[2] * v10[1];
 869         normal3f[1] = v20[2] * v10[0] - v20[0] * v10[2];
 870         normal3f[2] = v20[0] * v10[1] - v20[1] * v10[0];
 871         // 12 multiply, 10 subtract
 872         tc10[1] = tc1[1] - tc0[1];
 873         tc20[1] = tc2[1] - tc0[1];
 874         svector3f[0] = tc10[1] * v20[0] - tc20[1] * v10[0];
 875         svector3f[1] = tc10[1] * v20[1] - tc20[1] * v10[1];
 876         svector3f[2] = tc10[1] * v20[2] - tc20[1] * v10[2];
 877         tc10[0] = tc1[0] - tc0[0];
 878         tc20[0] = tc2[0] - tc0[0];
 879         tvector3f[0] = tc10[0] * v20[0] - tc20[0] * v10[0];
 880         tvector3f[1] = tc10[0] * v20[1] - tc20[0] * v10[1];
 881         tvector3f[2] = tc10[0] * v20[2] - tc20[0] * v10[2];
 882         // 12 multiply, 4 add, 6 subtract
 883         f = DotProduct(svector3f, normal3f);
 884         svector3f[0] -= f * normal3f[0];
 885         svector3f[1] -= f * normal3f[1];
 886         svector3f[2] -= f * normal3f[2];
 887         f = DotProduct(tvector3f, normal3f);
 888         tvector3f[0] -= f * normal3f[0];
 889         tvector3f[1] -= f * normal3f[1];
 890         tvector3f[2] -= f * normal3f[2];
 891         // if texture is mapped the wrong way (counterclockwise), the tangents
 892         // have to be flipped, this is detected by calculating a normal from the
 893         // two tangents, and seeing if it is opposite the surface normal
 894         // 9 multiply, 2 add, 3 subtract, 1 compare, 50% chance of: 6 negates
 895         CrossProduct(tvector3f, svector3f, tangentcross);
 896         if (DotProduct(tangentcross, normal3f) < 0)
 897         {
 898                 VectorNegate(svector3f, svector3f);
 899                 VectorNegate(tvector3f, tvector3f);
 900         }
 901 }
 902
 903 // warning: this is a very expensive function!
 904 void Mod_BuildTextureVectorsFromNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const float *texcoord2f, const float *normal3f, const int *elements, float *svector3f, float *tvector3f, qboolean areaweighting)
 905 {
 906         int i, tnum;
 907         float sdir[3], tdir[3], normal[3], *sv, *tv;
 908         const float *v0, *v1, *v2, *tc0, *tc1, *tc2, *n;
 909         float f, tangentcross[3], v10[3], v20[3], tc10[2], tc20[2];
 910         const int *e;
 911         // clear the vectors
 912         memset(svector3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
 913         memset(tvector3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
 914         // process each vertex of each triangle and accumulate the results
 915         for (tnum = 0, e = elements;tnum < numtriangles;tnum++, e += 3)
 916         {
 917                 v0 = vertex3f + e[0] * 3;
 918                 v1 = vertex3f + e[1] * 3;
 919                 v2 = vertex3f + e[2] * 3;
 920                 tc0 = texcoord2f + e[0] * 2;
 921                 tc1 = texcoord2f + e[1] * 2;
 922                 tc2 = texcoord2f + e[2] * 2;
 923
 924                 // 79 add/sub/negate/multiply (1 cycle), 1 compare (3 cycle?), total cycles not counting load/store/exchange roughly 82 cycles
 925                 // 6 add, 28 subtract, 39 multiply, 1 compare, 50% chance of 6 negates
 926
 927                 // calculate the edge directions and surface normal
 928                 // 6 multiply, 9 subtract
 929                 VectorSubtract(v1, v0, v10);
 930                 VectorSubtract(v2, v0, v20);
 931                 normal[0] = v20[1] * v10[2] - v20[2] * v10[1];
 932                 normal[1] = v20[2] * v10[0] - v20[0] * v10[2];
 933                 normal[2] = v20[0] * v10[1] - v20[1] * v10[0];
 934
 935                 // calculate the tangents
 936                 // 12 multiply, 10 subtract
 937                 tc10[1] = tc1[1] - tc0[1];
 938                 tc20[1] = tc2[1] - tc0[1];
 939                 sdir[0] = tc10[1] * v20[0] - tc20[1] * v10[0];
 940                 sdir[1] = tc10[1] * v20[1] - tc20[1] * v10[1];
 941                 sdir[2] = tc10[1] * v20[2] - tc20[1] * v10[2];
 942                 tc10[0] = tc1[0] - tc0[0];
 943                 tc20[0] = tc2[0] - tc0[0];
 944                 tdir[0] = tc10[0] * v20[0] - tc20[0] * v10[0];
 945                 tdir[1] = tc10[0] * v20[1] - tc20[0] * v10[1];
 946                 tdir[2] = tc10[0] * v20[2] - tc20[0] * v10[2];
 947
 948                 // if texture is mapped the wrong way (counterclockwise), the tangents
 949                 // have to be flipped, this is detected by calculating a normal from the
 950                 // two tangents, and seeing if it is opposite the surface normal
 951                 // 9 multiply, 2 add, 3 subtract, 1 compare, 50% chance of: 6 negates
 952                 CrossProduct(tdir, sdir, tangentcross);
 953                 if (DotProduct(tangentcross, normal) < 0)
 954                 {
 955                         VectorNegate(sdir, sdir);
 956                         VectorNegate(tdir, tdir);
 957                 }
 958
 959                 if (!areaweighting)
 960                 {
 961                         VectorNormalize(sdir);
 962                         VectorNormalize(tdir);
 963                 }
 964                 for (i = 0;i < 3;i++)
 965                 {
 966                         VectorAdd(svector3f + e[i]*3, sdir, svector3f + e[i]*3);
 967                         VectorAdd(tvector3f + e[i]*3, tdir, tvector3f + e[i]*3);
 968                 }
 969         }
 970         // make the tangents completely perpendicular to the surface normal, and
 971         // then normalize them
 972         // 16 assignments, 2 divide, 2 sqrt, 2 negates, 14 adds, 24 multiplies
 973         for (i = 0, sv = svector3f + 3 * firstvertex, tv = tvector3f + 3 * firstvertex, n = normal3f + 3 * firstvertex;i < numvertices;i++, sv += 3, tv += 3, n += 3)
 974         {
 975                 f = -DotProduct(sv, n);
 976                 VectorMA(sv, f, n, sv);
 977                 VectorNormalize(sv);
 978                 f = -DotProduct(tv, n);
 979                 VectorMA(tv, f, n, tv);
 980                 VectorNormalize(tv);
 981         }
 982 }
 983
 984 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors)
 985 {
 986         unsigned char *data;
 987         data = (unsigned char *)Mem_Alloc(mempool, numvertices * (3 + 3 + 3 + 3 + 2 + 2 + (vertexcolors ? 4 : 0)) * sizeof(float) + numvertices * (lightmapoffsets ? 1 : 0) * sizeof(int) + numtriangles * (3 + (neighbors ? 3 : 0)) * sizeof(int) + (numvertices <= 65536 ? numtriangles * sizeof(unsigned short[3]) : 0));
 988         loadmodel->surfmesh.num_vertices = numvertices;
 989         loadmodel->surfmesh.num_triangles = numtriangles;
 990         if (loadmodel->surfmesh.num_vertices)
 991         {
 992                 loadmodel->surfmesh.data_vertex3f = (float *)data, data += sizeof(float[3]) * loadmodel->surfmesh.num_vertices;
 993                 loadmodel->surfmesh.data_svector3f = (float *)data, data += sizeof(float[3]) * loadmodel->surfmesh.num_vertices;
 994                 loadmodel->surfmesh.data_tvector3f = (float *)data, data += sizeof(float[3]) * loadmodel->surfmesh.num_vertices;
 995                 loadmodel->surfmesh.data_normal3f = (float *)data, data += sizeof(float[3]) * loadmodel->surfmesh.num_vertices;
 996                 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data, data += sizeof(float[2]) * loadmodel->surfmesh.num_vertices;
 997                 loadmodel->surfmesh.data_texcoordlightmap2f = (float *)data, data += sizeof(float[2]) * loadmodel->surfmesh.num_vertices;
 998                 if (vertexcolors)
 999                         loadmodel->surfmesh.data_lightmapcolor4f = (float *)data, data += sizeof(float[4]) * loadmodel->surfmesh.num_vertices;
1000                 if (lightmapoffsets)
1001                         loadmodel->surfmesh.data_lightmapoffsets = (int *)data, data += sizeof(int) * loadmodel->surfmesh.num_vertices;
1002         }
1003         if (loadmodel->surfmesh.num_triangles)
1004         {
1005                 loadmodel->surfmesh.data_element3i = (int *)data, data += sizeof(int[3]) * loadmodel->surfmesh.num_triangles;
1006                 if (neighbors)
1007                         loadmodel->surfmesh.data_neighbor3i = (int *)data, data += sizeof(int[3]) * loadmodel->surfmesh.num_triangles;
1008                 if (loadmodel->surfmesh.num_vertices <= 65536)
1009                         loadmodel->surfmesh.data_element3s = (unsigned short *)data, data += sizeof(unsigned short[3]) * loadmodel->surfmesh.num_triangles;
1010         }
1011 }
1012
1013 shadowmesh_t *Mod_ShadowMesh_Alloc(mempool_t *mempool, int maxverts, int maxtriangles, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, int light, int neighbors, int expandable)
1014 {
1015         shadowmesh_t *newmesh;
1016         unsigned char *data;
1017         int size;
1018         size = sizeof(shadowmesh_t);
1019         size += maxverts * sizeof(float[3]);
1020         if (light)
1021                 size += maxverts * sizeof(float[11]);
1022         size += maxtriangles * sizeof(int[3]);
1023         if (maxverts <= 65536)
1024                 size += maxtriangles * sizeof(unsigned short[3]);
1025         if (neighbors)
1026                 size += maxtriangles * sizeof(int[3]);
1027         if (expandable)
1028                 size += SHADOWMESHVERTEXHASH * sizeof(shadowmeshvertexhash_t *) + maxverts * sizeof(shadowmeshvertexhash_t);
1029         data = (unsigned char *)Mem_Alloc(mempool, size);
1030         newmesh = (shadowmesh_t *)data;data += sizeof(*newmesh);
1031         newmesh->map_diffuse = map_diffuse;
1032         newmesh->map_specular = map_specular;
1033         newmesh->map_normal = map_normal;
1034         newmesh->maxverts = maxverts;
1035         newmesh->maxtriangles = maxtriangles;
1036         newmesh->numverts = 0;
1037         newmesh->numtriangles = 0;
1038         memset(newmesh->sideoffsets, 0, sizeof(newmesh->sideoffsets));
1039         memset(newmesh->sidetotals, 0, sizeof(newmesh->sidetotals));
1040
1041         newmesh->vertex3f = (float *)data;data += maxverts * sizeof(float[3]);
1042         if (light)
1043         {
1044                 newmesh->svector3f = (float *)data;data += maxverts * sizeof(float[3]);
1045                 newmesh->tvector3f = (float *)data;data += maxverts * sizeof(float[3]);
1046                 newmesh->normal3f = (float *)data;data += maxverts * sizeof(float[3]);
1047                 newmesh->texcoord2f = (float *)data;data += maxverts * sizeof(float[2]);
1048         }
1049         newmesh->element3i = (int *)data;data += maxtriangles * sizeof(int[3]);
1050         if (neighbors)
1051         {
1052                 newmesh->neighbor3i = (int *)data;data += maxtriangles * sizeof(int[3]);
1053         }
1054         if (expandable)
1055         {
1056                 newmesh->vertexhashtable = (shadowmeshvertexhash_t **)data;data += SHADOWMESHVERTEXHASH * sizeof(shadowmeshvertexhash_t *);
1057                 newmesh->vertexhashentries = (shadowmeshvertexhash_t *)data;data += maxverts * sizeof(shadowmeshvertexhash_t);
1058         }
1059         if (maxverts <= 65536)
1060                 newmesh->element3s = (unsigned short *)data;data += maxtriangles * sizeof(unsigned short[3]);
1061         return newmesh;
1062 }
1063
1064 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors)
1065 {
1066         shadowmesh_t *newmesh;
1067         newmesh = Mod_ShadowMesh_Alloc(mempool, oldmesh->numverts, oldmesh->numtriangles, oldmesh->map_diffuse, oldmesh->map_specular, oldmesh->map_normal, light, neighbors, false);
1068         newmesh->numverts = oldmesh->numverts;
1069         newmesh->numtriangles = oldmesh->numtriangles;
1070         memcpy(newmesh->sideoffsets, oldmesh->sideoffsets, sizeof(oldmesh->sideoffsets));
1071         memcpy(newmesh->sidetotals, oldmesh->sidetotals, sizeof(oldmesh->sidetotals));
1072
1073         memcpy(newmesh->vertex3f, oldmesh->vertex3f, oldmesh->numverts * sizeof(float[3]));
1074         if (newmesh->svector3f && oldmesh->svector3f)
1075         {
1076                 memcpy(newmesh->svector3f, oldmesh->svector3f, oldmesh->numverts * sizeof(float[3]));
1077                 memcpy(newmesh->tvector3f, oldmesh->tvector3f, oldmesh->numverts * sizeof(float[3]));
1078                 memcpy(newmesh->normal3f, oldmesh->normal3f, oldmesh->numverts * sizeof(float[3]));
1079                 memcpy(newmesh->texcoord2f, oldmesh->texcoord2f, oldmesh->numverts * sizeof(float[2]));
1080         }
1081         memcpy(newmesh->element3i, oldmesh->element3i, oldmesh->numtriangles * sizeof(int[3]));
1082         if (newmesh->neighbor3i && oldmesh->neighbor3i)
1083                 memcpy(newmesh->neighbor3i, oldmesh->neighbor3i, oldmesh->numtriangles * sizeof(int[3]));
1084         return newmesh;
1085 }
1086
1087 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f)
1088 {
1089         int hashindex, vnum;
1090         shadowmeshvertexhash_t *hash;
1091         // this uses prime numbers intentionally
1092         hashindex = (unsigned int) (vertex14f[0] * 2003 + vertex14f[1] * 4001 + vertex14f[2] * 7919) % SHADOWMESHVERTEXHASH;
1093         for (hash = mesh->vertexhashtable[hashindex];hash;hash = hash->next)
1094         {
1095                 vnum = (hash - mesh->vertexhashentries);
1096                 if ((mesh->vertex3f == NULL || (mesh->vertex3f[vnum * 3 + 0] == vertex14f[0] && mesh->vertex3f[vnum * 3 + 1] == vertex14f[1] && mesh->vertex3f[vnum * 3 + 2] == vertex14f[2]))
1097                  && (mesh->svector3f == NULL || (mesh->svector3f[vnum * 3 + 0] == vertex14f[3] && mesh->svector3f[vnum * 3 + 1] == vertex14f[4] && mesh->svector3f[vnum * 3 + 2] == vertex14f[5]))
1098                  && (mesh->tvector3f == NULL || (mesh->tvector3f[vnum * 3 + 0] == vertex14f[6] && mesh->tvector3f[vnum * 3 + 1] == vertex14f[7] && mesh->tvector3f[vnum * 3 + 2] == vertex14f[8]))
1099                  && (mesh->normal3f == NULL || (mesh->normal3f[vnum * 3 + 0] == vertex14f[9] && mesh->normal3f[vnum * 3 + 1] == vertex14f[10] && mesh->normal3f[vnum * 3 + 2] == vertex14f[11]))
1100                  && (mesh->texcoord2f == NULL || (mesh->texcoord2f[vnum * 2 + 0] == vertex14f[12] && mesh->texcoord2f[vnum * 2 + 1] == vertex14f[13])))
1101                         return hash - mesh->vertexhashentries;
1102         }
1103         vnum = mesh->numverts++;
1104         hash = mesh->vertexhashentries + vnum;
1105         hash->next = mesh->vertexhashtable[hashindex];
1106         mesh->vertexhashtable[hashindex] = hash;
1107         if (mesh->vertex3f) {mesh->vertex3f[vnum * 3 + 0] = vertex14f[0];mesh->vertex3f[vnum * 3 + 1] = vertex14f[1];mesh->vertex3f[vnum * 3 + 2] = vertex14f[2];}
1108         if (mesh->svector3f) {mesh->svector3f[vnum * 3 + 0] = vertex14f[3];mesh->svector3f[vnum * 3 + 1] = vertex14f[4];mesh->svector3f[vnum * 3 + 2] = vertex14f[5];}
1109         if (mesh->tvector3f) {mesh->tvector3f[vnum * 3 + 0] = vertex14f[6];mesh->tvector3f[vnum * 3 + 1] = vertex14f[7];mesh->tvector3f[vnum * 3 + 2] = vertex14f[8];}
1110         if (mesh->normal3f) {mesh->normal3f[vnum * 3 + 0] = vertex14f[9];mesh->normal3f[vnum * 3 + 1] = vertex14f[10];mesh->normal3f[vnum * 3 + 2] = vertex14f[11];}
1111         if (mesh->texcoord2f) {mesh->texcoord2f[vnum * 2 + 0] = vertex14f[12];mesh->texcoord2f[vnum * 2 + 1] = vertex14f[13];}
1112         return vnum;
1113 }
1114
1115 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f)
1116 {
1117         if (mesh->numtriangles == 0)
1118         {
1119                 // set the properties on this empty mesh to be more favorable...
1120                 // (note: this case only occurs for the first triangle added to a new mesh chain)
1121                 mesh->map_diffuse = map_diffuse;
1122                 mesh->map_specular = map_specular;
1123                 mesh->map_normal = map_normal;
1124         }
1125         while (mesh->map_diffuse != map_diffuse || mesh->map_specular != map_specular || mesh->map_normal != map_normal || mesh->numverts + 3 > mesh->maxverts || mesh->numtriangles + 1 > mesh->maxtriangles)
1126         {
1127                 if (mesh->next == NULL)
1128                         mesh->next = Mod_ShadowMesh_Alloc(mempool, max(mesh->maxverts, 300), max(mesh->maxtriangles, 100), map_diffuse, map_specular, map_normal, mesh->svector3f != NULL, mesh->neighbor3i != NULL, true);
1129                 mesh = mesh->next;
1130         }
1131         mesh->element3i[mesh->numtriangles * 3 + 0] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 0);
1132         mesh->element3i[mesh->numtriangles * 3 + 1] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 1);
1133         mesh->element3i[mesh->numtriangles * 3 + 2] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 2);
1134         mesh->numtriangles++;
1135 }
1136
1137 void Mod_ShadowMesh_AddMesh(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, int numtris, const int *element3i)
1138 {
1139         int i, j, e;
1140         float vbuf[3*14], *v;
1141         memset(vbuf, 0, sizeof(vbuf));
1142         for (i = 0;i < numtris;i++)
1143         {
1144                 for (j = 0, v = vbuf;j < 3;j++, v += 14)
1145                 {
1146                         e = *element3i++;
1147                         if (vertex3f)
1148                         {
1149                                 v[0] = vertex3f[e * 3 + 0];
1150                                 v[1] = vertex3f[e * 3 + 1];
1151                                 v[2] = vertex3f[e * 3 + 2];
1152                         }
1153                         if (svector3f)
1154                         {
1155                                 v[3] = svector3f[e * 3 + 0];
1156                                 v[4] = svector3f[e * 3 + 1];
1157                                 v[5] = svector3f[e * 3 + 2];
1158                         }
1159                         if (tvector3f)
1160                         {
1161                                 v[6] = tvector3f[e * 3 + 0];
1162                                 v[7] = tvector3f[e * 3 + 1];
1163                                 v[8] = tvector3f[e * 3 + 2];
1164                         }
1165                         if (normal3f)
1166                         {
1167                                 v[9] = normal3f[e * 3 + 0];
1168                                 v[10] = normal3f[e * 3 + 1];
1169                                 v[11] = normal3f[e * 3 + 2];
1170                         }
1171                         if (texcoord2f)
1172                         {
1173                                 v[12] = texcoord2f[e * 2 + 0];
1174                                 v[13] = texcoord2f[e * 2 + 1];
1175                         }
1176                 }
1177                 Mod_ShadowMesh_AddTriangle(mempool, mesh, map_diffuse, map_specular, map_normal, vbuf);
1178         }
1179
1180         // the triangle calculation can take a while, so let's do a keepalive here
1181         CL_KeepaliveMessage(false);
1182 }
1183
1184 shadowmesh_t *Mod_ShadowMesh_Begin(mempool_t *mempool, int maxverts, int maxtriangles, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, int light, int neighbors, int expandable)
1185 {
1186         // the preparation before shadow mesh initialization can take a while, so let's do a keepalive here
1187         CL_KeepaliveMessage(false);
1188
1189         return Mod_ShadowMesh_Alloc(mempool, maxverts, maxtriangles, map_diffuse, map_specular, map_normal, light, neighbors, expandable);
1190 }
1191
1192 static void Mod_ShadowMesh_CreateVBOs(shadowmesh_t *mesh, mempool_t *mempool)
1193 {
1194         if (!mesh->numverts)
1195                 return;
1196
1197         // build r_vertexmesh_t array
1198         // (compressed interleaved array for D3D)
1199         if (!mesh->vertexmesh && mesh->texcoord2f && vid.useinterleavedarrays)
1200         {
1201                 int vertexindex;
1202                 int numvertices = mesh->numverts;
1203                 r_vertexmesh_t *vertexmesh;
1204                 mesh->vertexmesh = vertexmesh = (r_vertexmesh_t*)Mem_Alloc(mempool, numvertices * sizeof(*mesh->vertexmesh));
1205                 for (vertexindex = 0;vertexindex < numvertices;vertexindex++, vertexmesh++)
1206                 {
1207                         VectorCopy(mesh->vertex3f + 3*vertexindex, vertexmesh->vertex3f);
1208                         VectorScale(mesh->svector3f + 3*vertexindex, 1.0f, vertexmesh->svector3f);
1209                         VectorScale(mesh->tvector3f + 3*vertexindex, 1.0f, vertexmesh->tvector3f);
1210                         VectorScale(mesh->normal3f + 3*vertexindex, 1.0f, vertexmesh->normal3f);
1211                         Vector2Copy(mesh->texcoord2f + 2*vertexindex, vertexmesh->texcoordtexture2f);
1212                 }
1213         }
1214
1215         // upload r_vertexmesh_t array as a buffer
1216         if (mesh->vertexmesh && !mesh->vertexmeshbuffer)
1217                 mesh->vertexmeshbuffer = R_Mesh_CreateMeshBuffer(mesh->vertexmesh, mesh->numverts * sizeof(*mesh->vertexmesh), loadmodel->name, false, false, false);
1218
1219         // upload vertex3f array as a buffer
1220         if (mesh->vertex3f && !mesh->vertex3fbuffer)
1221                 mesh->vertex3fbuffer = R_Mesh_CreateMeshBuffer(mesh->vertex3f, mesh->numverts * sizeof(float[3]), loadmodel->name, false, false, false);
1222
1223         // upload short indices as a buffer
1224         if (mesh->element3s && !mesh->element3s_indexbuffer)
1225                 mesh->element3s_indexbuffer = R_Mesh_CreateMeshBuffer(mesh->element3s, mesh->numtriangles * sizeof(short[3]), loadmodel->name, true, false, true);
1226
1227         // upload int indices as a buffer
1228         if (mesh->element3i && !mesh->element3i_indexbuffer && !mesh->element3s)
1229                 mesh->element3i_indexbuffer = R_Mesh_CreateMeshBuffer(mesh->element3i, mesh->numtriangles * sizeof(int[3]), loadmodel->name, true, false, false);
1230
1231         // vertex buffer is several arrays and we put them in the same buffer
1232         //
1233         // is this wise?  the texcoordtexture2f array is used with dynamic
1234         // vertex/svector/tvector/normal when rendering animated models, on the
1235         // other hand animated models don't use a lot of vertices anyway...
1236         if (!mesh->vbo_vertexbuffer && !vid.useinterleavedarrays)
1237         {
1238                 size_t size;
1239                 unsigned char *mem;
1240                 size = 0;
1241                 mesh->vbooffset_vertex3f           = size;if (mesh->vertex3f          ) size += mesh->numverts * sizeof(float[3]);
1242                 mesh->vbooffset_svector3f          = size;if (mesh->svector3f         ) size += mesh->numverts * sizeof(float[3]);
1243                 mesh->vbooffset_tvector3f          = size;if (mesh->tvector3f         ) size += mesh->numverts * sizeof(float[3]);
1244                 mesh->vbooffset_normal3f           = size;if (mesh->normal3f          ) size += mesh->numverts * sizeof(float[3]);
1245                 mesh->vbooffset_texcoord2f         = size;if (mesh->texcoord2f        ) size += mesh->numverts * sizeof(float[2]);
1246                 mem = (unsigned char *)Mem_Alloc(tempmempool, size);
1247                 if (mesh->vertex3f          ) memcpy(mem + mesh->vbooffset_vertex3f          , mesh->vertex3f          , mesh->numverts * sizeof(float[3]));
1248                 if (mesh->svector3f         ) memcpy(mem + mesh->vbooffset_svector3f         , mesh->svector3f         , mesh->numverts * sizeof(float[3]));
1249                 if (mesh->tvector3f         ) memcpy(mem + mesh->vbooffset_tvector3f         , mesh->tvector3f         , mesh->numverts * sizeof(float[3]));
1250                 if (mesh->normal3f          ) memcpy(mem + mesh->vbooffset_normal3f          , mesh->normal3f          , mesh->numverts * sizeof(float[3]));
1251                 if (mesh->texcoord2f        ) memcpy(mem + mesh->vbooffset_texcoord2f        , mesh->texcoord2f        , mesh->numverts * sizeof(float[2]));
1252                 mesh->vbo_vertexbuffer = R_Mesh_CreateMeshBuffer(mem, size, "shadowmesh", false, false, false);
1253                 Mem_Free(mem);
1254         }
1255 }
1256
1257 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo)
1258 {
1259         shadowmesh_t *mesh, *newmesh, *nextmesh;
1260         // reallocate meshs to conserve space
1261         for (mesh = firstmesh, firstmesh = NULL;mesh;mesh = nextmesh)
1262         {
1263                 nextmesh = mesh->next;
1264                 if (mesh->numverts >= 3 && mesh->numtriangles >= 1)
1265                 {
1266                         newmesh = Mod_ShadowMesh_ReAlloc(mempool, mesh, light, neighbors);
1267                         newmesh->next = firstmesh;
1268                         firstmesh = newmesh;
1269                         if (newmesh->element3s)
1270                         {
1271                                 int i;
1272                                 for (i = 0;i < newmesh->numtriangles*3;i++)
1273                                         newmesh->element3s[i] = newmesh->element3i[i];
1274                         }
1275                         if (createvbo)
1276                                 Mod_ShadowMesh_CreateVBOs(newmesh, mempool);
1277                 }
1278                 Mem_Free(mesh);
1279         }
1280
1281         // this can take a while, so let's do a keepalive here
1282         CL_KeepaliveMessage(false);
1283
1284         return firstmesh;
1285 }
1286
1287 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius)
1288 {
1289         int i;
1290         shadowmesh_t *mesh;
1291         vec3_t nmins, nmaxs, ncenter, temp;
1292         float nradius2, dist2, *v;
1293         VectorClear(nmins);
1294         VectorClear(nmaxs);
1295         // calculate bbox
1296         for (mesh = firstmesh;mesh;mesh = mesh->next)
1297         {
1298                 if (mesh == firstmesh)
1299                 {
1300                         VectorCopy(mesh->vertex3f, nmins);
1301                         VectorCopy(mesh->vertex3f, nmaxs);
1302                 }
1303                 for (i = 0, v = mesh->vertex3f;i < mesh->numverts;i++, v += 3)
1304                 {
1305                         if (nmins[0] > v[0]) nmins[0] = v[0];if (nmaxs[0] < v[0]) nmaxs[0] = v[0];
1306                         if (nmins[1] > v[1]) nmins[1] = v[1];if (nmaxs[1] < v[1]) nmaxs[1] = v[1];
1307                         if (nmins[2] > v[2]) nmins[2] = v[2];if (nmaxs[2] < v[2]) nmaxs[2] = v[2];
1308                 }
1309         }
1310         // calculate center and radius
1311         ncenter[0] = (nmins[0] + nmaxs[0]) * 0.5f;
1312         ncenter[1] = (nmins[1] + nmaxs[1]) * 0.5f;
1313         ncenter[2] = (nmins[2] + nmaxs[2]) * 0.5f;
1314         nradius2 = 0;
1315         for (mesh = firstmesh;mesh;mesh = mesh->next)
1316         {
1317                 for (i = 0, v = mesh->vertex3f;i < mesh->numverts;i++, v += 3)
1318                 {
1319                         VectorSubtract(v, ncenter, temp);
1320                         dist2 = DotProduct(temp, temp);
1321                         if (nradius2 < dist2)
1322                                 nradius2 = dist2;
1323                 }
1324         }
1325         // return data
1326         if (mins)
1327                 VectorCopy(nmins, mins);
1328         if (maxs)
1329                 VectorCopy(nmaxs, maxs);
1330         if (center)
1331                 VectorCopy(ncenter, center);
1332         if (radius)
1333                 *radius = sqrt(nradius2);
1334 }
1335
1336 void Mod_ShadowMesh_Free(shadowmesh_t *mesh)
1337 {
1338         shadowmesh_t *nextmesh;
1339         for (;mesh;mesh = nextmesh)
1340         {
1341                 if (mesh->vertex3fbuffer)
1342                         R_Mesh_DestroyMeshBuffer(mesh->vertex3fbuffer);
1343                 if (mesh->vertexmeshbuffer)
1344                         R_Mesh_DestroyMeshBuffer(mesh->vertexmeshbuffer);
1345                 if (mesh->element3i_indexbuffer)
1346                         R_Mesh_DestroyMeshBuffer(mesh->element3i_indexbuffer);
1347                 if (mesh->element3s_indexbuffer)
1348                         R_Mesh_DestroyMeshBuffer(mesh->element3s_indexbuffer);
1349                 if (mesh->vbo_vertexbuffer)
1350                         R_Mesh_DestroyMeshBuffer(mesh->vbo_vertexbuffer);
1351                 nextmesh = mesh->next;
1352                 Mem_Free(mesh);
1353         }
1354 }
1355
1356 void Mod_CreateCollisionMesh(dp_model_t *mod)
1357 {
1358         int k, numcollisionmeshtriangles;
1359         qboolean usesinglecollisionmesh = false;
1360         const msurface_t *surface = NULL;
1361
1362         mempool_t *mempool = mod->mempool;
1363         if (!mempool && mod->brush.parentmodel)
1364                 mempool = mod->brush.parentmodel->mempool;
1365         // make a single combined collision mesh for physics engine use
1366         // TODO rewrite this to use the collision brushes as source, to fix issues with e.g. common/caulk which creates no drawsurface
1367         numcollisionmeshtriangles = 0;
1368         for (k = 0;k < mod->nummodelsurfaces;k++)
1369         {
1370                 surface = mod->data_surfaces + mod->firstmodelsurface + k;
1371                 if (!strcmp(surface->texture->name, "collision")) // found collision mesh
1372                 {
1373                         usesinglecollisionmesh = true;
1374                         numcollisionmeshtriangles = surface->num_triangles;
1375                         break;
1376                 }
1377                 if (!(surface->texture->supercontents & SUPERCONTENTS_SOLID))
1378                         continue;
1379                 numcollisionmeshtriangles += surface->num_triangles;
1380         }
1381         mod->brush.collisionmesh = Mod_ShadowMesh_Begin(mempool, numcollisionmeshtriangles * 3, numcollisionmeshtriangles, NULL, NULL, NULL, false, false, true);
1382         if (usesinglecollisionmesh)
1383                 Mod_ShadowMesh_AddMesh(mempool, mod->brush.collisionmesh, NULL, NULL, NULL, mod->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (mod->surfmesh.data_element3i + 3 * surface->num_firsttriangle));
1384         else
1385         {
1386                 for (k = 0;k < mod->nummodelsurfaces;k++)
1387                 {
1388                         surface = mod->data_surfaces + mod->firstmodelsurface + k;
1389                         if (!(surface->texture->supercontents & SUPERCONTENTS_SOLID))
1390                                 continue;
1391                         Mod_ShadowMesh_AddMesh(mempool, mod->brush.collisionmesh, NULL, NULL, NULL, mod->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (mod->surfmesh.data_element3i + 3 * surface->num_firsttriangle));
1392                 }
1393         }
1394         mod->brush.collisionmesh = Mod_ShadowMesh_Finish(mempool, mod->brush.collisionmesh, false, false, false);
1395 }
1396
1397 void Mod_GetTerrainVertex3fTexCoord2fFromBGRA(const unsigned char *imagepixels, int imagewidth, int imageheight, int ix, int iy, float *vertex3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
1398 {
1399         float v[3], tc[3];
1400         v[0] = ix;
1401         v[1] = iy;
1402         if (ix >= 0 && iy >= 0 && ix < imagewidth && iy < imageheight)
1403                 v[2] = (imagepixels[((iy*imagewidth)+ix)*4+0] + imagepixels[((iy*imagewidth)+ix)*4+1] + imagepixels[((iy*imagewidth)+ix)*4+2]) * (1.0f / 765.0f);
1404         else
1405                 v[2] = 0;
1406         Matrix4x4_Transform(pixelstepmatrix, v, vertex3f);
1407         Matrix4x4_Transform(pixeltexturestepmatrix, v, tc);
1408         texcoord2f[0] = tc[0];
1409         texcoord2f[1] = tc[1];
1410 }
1411
1412 void Mod_GetTerrainVertexFromBGRA(const unsigned char *imagepixels, int imagewidth, int imageheight, int ix, int iy, float *vertex3f, float *svector3f, float *tvector3f, float *normal3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
1413 {
1414         float vup[3], vdown[3], vleft[3], vright[3];
1415         float tcup[3], tcdown[3], tcleft[3], tcright[3];
1416         float sv[3], tv[3], nl[3];
1417         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix, iy, vertex3f, texcoord2f, pixelstepmatrix, pixeltexturestepmatrix);
1418         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix, iy - 1, vup, tcup, pixelstepmatrix, pixeltexturestepmatrix);
1419         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix, iy + 1, vdown, tcdown, pixelstepmatrix, pixeltexturestepmatrix);
1420         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix - 1, iy, vleft, tcleft, pixelstepmatrix, pixeltexturestepmatrix);
1421         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix + 1, iy, vright, tcright, pixelstepmatrix, pixeltexturestepmatrix);
1422         Mod_BuildBumpVectors(vertex3f, vup, vright, texcoord2f, tcup, tcright, svector3f, tvector3f, normal3f);
1423         Mod_BuildBumpVectors(vertex3f, vright, vdown, texcoord2f, tcright, tcdown, sv, tv, nl);
1424         VectorAdd(svector3f, sv, svector3f);
1425         VectorAdd(tvector3f, tv, tvector3f);
1426         VectorAdd(normal3f, nl, normal3f);
1427         Mod_BuildBumpVectors(vertex3f, vdown, vleft, texcoord2f, tcdown, tcleft, sv, tv, nl);
1428         VectorAdd(svector3f, sv, svector3f);
1429         VectorAdd(tvector3f, tv, tvector3f);
1430         VectorAdd(normal3f, nl, normal3f);
1431         Mod_BuildBumpVectors(vertex3f, vleft, vup, texcoord2f, tcleft, tcup, sv, tv, nl);
1432         VectorAdd(svector3f, sv, svector3f);
1433         VectorAdd(tvector3f, tv, tvector3f);
1434         VectorAdd(normal3f, nl, normal3f);
1435 }
1436
1437 void Mod_ConstructTerrainPatchFromBGRA(const unsigned char *imagepixels, int imagewidth, int imageheight, int x1, int y1, int width, int height, int *element3i, int *neighbor3i, float *vertex3f, float *svector3f, float *tvector3f, float *normal3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
1438 {
1439         int x, y, ix, iy, *e;
1440         e = element3i;
1441         for (y = 0;y < height;y++)
1442         {
1443                 for (x = 0;x < width;x++)
1444                 {
1445                         e[0] = (y + 1) * (width + 1) + (x + 0);
1446                         e[1] = (y + 0) * (width + 1) + (x + 0);
1447                         e[2] = (y + 1) * (width + 1) + (x + 1);
1448                         e[3] = (y + 0) * (width + 1) + (x + 0);
1449                         e[4] = (y + 0) * (width + 1) + (x + 1);
1450                         e[5] = (y + 1) * (width + 1) + (x + 1);
1451                         e += 6;
1452                 }
1453         }
1454         Mod_BuildTriangleNeighbors(neighbor3i, element3i, width*height*2);
1455         for (y = 0, iy = y1;y < height + 1;y++, iy++)
1456                 for (x = 0, ix = x1;x < width + 1;x++, ix++, vertex3f += 3, texcoord2f += 2, svector3f += 3, tvector3f += 3, normal3f += 3)
1457                         Mod_GetTerrainVertexFromBGRA(imagepixels, imagewidth, imageheight, ix, iy, vertex3f, texcoord2f, svector3f, tvector3f, normal3f, pixelstepmatrix, pixeltexturestepmatrix);
1458 }
1459
1460 #if 0
1461 void Mod_Terrain_SurfaceRecurseChunk(dp_model_t *model, int stepsize, int x, int y)
1462 {
1463         float mins[3];
1464         float maxs[3];
1465         float chunkwidth = min(stepsize, model->terrain.width - 1 - x);
1466         float chunkheight = min(stepsize, model->terrain.height - 1 - y);
1467         float viewvector[3];
1468         unsigned int firstvertex;
1469         unsigned int *e;
1470         float *v;
1471         if (chunkwidth < 2 || chunkheight < 2)
1472                 return;
1473         VectorSet(mins, model->terrain.mins[0] +  x    * stepsize * model->terrain.scale[0], model->terrain.mins[1] +  y    * stepsize * model->terrain.scale[1], model->terrain.mins[2]);
1474         VectorSet(maxs, model->terrain.mins[0] + (x+1) * stepsize * model->terrain.scale[0], model->terrain.mins[1] + (y+1) * stepsize * model->terrain.scale[1], model->terrain.maxs[2]);
1475         viewvector[0] = bound(mins[0], localvieworigin, maxs[0]) - model->terrain.vieworigin[0];
1476         viewvector[1] = bound(mins[1], localvieworigin, maxs[1]) - model->terrain.vieworigin[1];
1477         viewvector[2] = bound(mins[2], localvieworigin, maxs[2]) - model->terrain.vieworigin[2];
1478         if (stepsize > 1 && VectorLength(viewvector) < stepsize*model->terrain.scale[0]*r_terrain_lodscale.value)
1479         {
1480                 // too close for this stepsize, emit as 4 chunks instead
1481                 stepsize /= 2;
1482                 Mod_Terrain_SurfaceRecurseChunk(model, stepsize, x, y);
1483                 Mod_Terrain_SurfaceRecurseChunk(model, stepsize, x+stepsize, y);
1484                 Mod_Terrain_SurfaceRecurseChunk(model, stepsize, x, y+stepsize);
1485                 Mod_Terrain_SurfaceRecurseChunk(model, stepsize, x+stepsize, y+stepsize);
1486                 return;
1487         }
1488         // emit the geometry at stepsize into our vertex buffer / index buffer
1489         // we add two columns and two rows for skirt
1490         outwidth = chunkwidth+2;
1491         outheight = chunkheight+2;
1492         outwidth2 = outwidth-1;
1493         outheight2 = outheight-1;
1494         outwidth3 = outwidth+1;
1495         outheight3 = outheight+1;
1496         firstvertex = numvertices;
1497         e = model->terrain.element3i + numtriangles;
1498         numtriangles += chunkwidth*chunkheight*2+chunkwidth*2*2+chunkheight*2*2;
1499         v = model->terrain.vertex3f + numvertices;
1500         numvertices += (chunkwidth+1)*(chunkheight+1)+(chunkwidth+1)*2+(chunkheight+1)*2;
1501         // emit the triangles (note: the skirt is treated as two extra rows and two extra columns)
1502         for (ty = 0;ty < outheight;ty++)
1503         {
1504                 for (tx = 0;tx < outwidth;tx++)
1505                 {
1506                         *e++ = firstvertex + (ty  )*outwidth3+(tx  );
1507                         *e++ = firstvertex + (ty  )*outwidth3+(tx+1);
1508                         *e++ = firstvertex + (ty+1)*outwidth3+(tx+1);
1509                         *e++ = firstvertex + (ty  )*outwidth3+(tx  );
1510                         *e++ = firstvertex + (ty+1)*outwidth3+(tx+1);
1511                         *e++ = firstvertex + (ty+1)*outwidth3+(tx  );
1512                 }
1513         }
1514         // TODO: emit surface vertices (x+tx*stepsize, y+ty*stepsize)
1515         for (ty = 0;ty <= outheight;ty++)
1516         {
1517                 skirtrow = ty == 0 || ty == outheight;
1518                 ry = y+bound(1, ty, outheight)*stepsize;
1519                 for (tx = 0;tx <= outwidth;tx++)
1520                 {
1521                         skirt = skirtrow || tx == 0 || tx == outwidth;
1522                         rx = x+bound(1, tx, outwidth)*stepsize;
1523                         v[0] = rx*scale[0];
1524                         v[1] = ry*scale[1];
1525                         v[2] = heightmap[ry*terrainwidth+rx]*scale[2];
1526                         v += 3;
1527                 }
1528         }
1529         // TODO: emit skirt vertices
1530 }
1531
1532 void Mod_Terrain_UpdateSurfacesForViewOrigin(dp_model_t *model)
1533 {
1534         for (y = 0;y < model->terrain.size[1];y += model->terrain.
1535         Mod_Terrain_SurfaceRecurseChunk(model, model->terrain.maxstepsize, x, y);
1536         Mod_Terrain_BuildChunk(model,
1537 }
1538 #endif
1539
1540 int Mod_LoadQ3Shaders_EnumerateWaveFunc(const char *s)
1541 {
1542         int offset = 0;
1543         if (!strncasecmp(s, "user", 4)) // parse stuff like "user1sin", always user<n>func
1544         {
1545                 offset = bound(0, s[4] - '0', 9);
1546                 offset = (offset + 1) << Q3WAVEFUNC_USER_SHIFT;
1547                 s += 4;
1548                 if(*s)
1549                         ++s;
1550         }
1551         if (!strcasecmp(s, "sin"))             return offset | Q3WAVEFUNC_SIN;
1552         if (!strcasecmp(s, "square"))          return offset | Q3WAVEFUNC_SQUARE;
1553         if (!strcasecmp(s, "triangle"))        return offset | Q3WAVEFUNC_TRIANGLE;
1554         if (!strcasecmp(s, "sawtooth"))        return offset | Q3WAVEFUNC_SAWTOOTH;
1555         if (!strcasecmp(s, "inversesawtooth")) return offset | Q3WAVEFUNC_INVERSESAWTOOTH;
1556         if (!strcasecmp(s, "noise"))           return offset | Q3WAVEFUNC_NOISE;
1557         if (!strcasecmp(s, "none"))            return offset | Q3WAVEFUNC_NONE;
1558         Con_DPrintf("Mod_LoadQ3Shaders: unknown wavefunc %s\n", s);
1559         return offset | Q3WAVEFUNC_NONE;
1560 }
1561
1562 void Mod_FreeQ3Shaders(void)
1563 {
1564         Mem_FreePool(&q3shaders_mem);
1565 }
1566
1567 static void Q3Shader_AddToHash (q3shaderinfo_t* shader)
1568 {
1569         unsigned short hash = CRC_Block_CaseInsensitive ((const unsigned char *)shader->name, strlen (shader->name));
1570         q3shader_hash_entry_t* entry = q3shader_data->hash + (hash % Q3SHADER_HASH_SIZE);
1571         q3shader_hash_entry_t* lastEntry = NULL;
1572         while (entry != NULL)
1573         {
1574                 if (strcasecmp (entry->shader.name, shader->name) == 0)
1575                 {
1576                         unsigned char *start, *end, *start2;
1577                         start = (unsigned char *) (&shader->Q3SHADERINFO_COMPARE_START);
1578                         end = ((unsigned char *) (&shader->Q3SHADERINFO_COMPARE_END)) + sizeof(shader->Q3SHADERINFO_COMPARE_END);
1579                         start2 = (unsigned char *) (&entry->shader.Q3SHADERINFO_COMPARE_START);
1580                         if(memcmp(start, start2, end - start))
1581                                 Con_DPrintf("Shader '%s' already defined, ignoring mismatching redeclaration\n", shader->name);
1582                         else
1583                                 Con_DPrintf("Shader '%s' already defined\n", shader->name);
1584                         return;
1585                 }
1586                 lastEntry = entry;
1587                 entry = entry->chain;
1588         }
1589         if (entry == NULL)
1590         {
1591                 if (lastEntry->shader.name[0] != 0)
1592                 {
1593                         /* Add to chain */
1594                         q3shader_hash_entry_t* newEntry = (q3shader_hash_entry_t*)
1595                           Mem_ExpandableArray_AllocRecord (&q3shader_data->hash_entries);
1596
1597                         while (lastEntry->chain != NULL) lastEntry = lastEntry->chain;
1598                         lastEntry->chain = newEntry;
1599                         newEntry->chain = NULL;
1600                         lastEntry = newEntry;
1601                 }
1602                 /* else: head of chain, in hash entry array */
1603                 entry = lastEntry;
1604         }
1605         memcpy (&entry->shader, shader, sizeof (q3shaderinfo_t));
1606 }
1607
1608 extern cvar_t mod_noshader_default_offsetmapping;
1609 extern cvar_t mod_q3shader_default_offsetmapping;
1610 extern cvar_t mod_q3shader_default_polygonoffset;
1611 extern cvar_t mod_q3shader_default_polygonfactor;
1612 void Mod_LoadQ3Shaders(void)
1613 {
1614         int j;
1615         int fileindex;
1616         fssearch_t *search;
1617         char *f;
1618         const char *text;
1619         q3shaderinfo_t shader;
1620         q3shaderinfo_layer_t *layer;
1621         int numparameters;
1622         char parameter[TEXTURE_MAXFRAMES + 4][Q3PATHLENGTH];
1623         char *custsurfaceparmnames[256]; // VorteX: q3map2 has 64 but well, someone will need more
1624         unsigned long custsurfaceparms[256];
1625         int numcustsurfaceparms;
1626
1627         Mod_FreeQ3Shaders();
1628
1629         q3shaders_mem = Mem_AllocPool("q3shaders", 0, NULL);
1630         q3shader_data = (q3shader_data_t*)Mem_Alloc (q3shaders_mem,
1631                 sizeof (q3shader_data_t));
1632         Mem_ExpandableArray_NewArray (&q3shader_data->hash_entries,
1633                 q3shaders_mem, sizeof (q3shader_hash_entry_t), 256);
1634         Mem_ExpandableArray_NewArray (&q3shader_data->char_ptrs,
1635                 q3shaders_mem, sizeof (char**), 256);
1636
1637         // parse custinfoparms.txt
1638         numcustsurfaceparms = 0;
1639         if ((text = f = (char *)FS_LoadFile("scripts/custinfoparms.txt", tempmempool, false, NULL)) != NULL)
1640         {
1641                 if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
1642                         Con_DPrintf("scripts/custinfoparms.txt: contentflags section parsing error - expected \"{\", found \"%s\"\n", com_token);
1643                 else
1644                 {
1645                         while (COM_ParseToken_QuakeC(&text, false))
1646                                 if (!strcasecmp(com_token, "}"))
1647                                         break;
1648                         // custom surfaceflags section
1649                         if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
1650                                 Con_DPrintf("scripts/custinfoparms.txt: surfaceflags section parsing error - expected \"{\", found \"%s\"\n", com_token);
1651                         else
1652                         {
1653                                 while(COM_ParseToken_QuakeC(&text, false))
1654                                 {
1655                                         if (!strcasecmp(com_token, "}"))
1656                                                 break;
1657                                         // register surfaceflag
1658                                         if (numcustsurfaceparms >= 256)
1659                                         {
1660                                                 Con_Printf("scripts/custinfoparms.txt: surfaceflags section parsing error - max 256 surfaceflags exceeded\n");
1661                                                 break;
1662                                         }
1663                                         // name
1664                                         j = strlen(com_token)+1;
1665                                         custsurfaceparmnames[numcustsurfaceparms] = (char *)Mem_Alloc(tempmempool, j);
1666                                         strlcpy(custsurfaceparmnames[numcustsurfaceparms], com_token, j+1);
1667                                         // value
1668                                         if (COM_ParseToken_QuakeC(&text, false))
1669                                                 custsurfaceparms[numcustsurfaceparms] = strtol(com_token, NULL, 0);
1670                                         else
1671                                                 custsurfaceparms[numcustsurfaceparms] = 0;
1672                                         numcustsurfaceparms++;
1673                                 }
1674                         }
1675                 }
1676                 Mem_Free(f);
1677         }
1678
1679         // parse shaders
1680         search = FS_Search("scripts/*.shader", true, false);
1681         if (!search)
1682                 return;
1683         for (fileindex = 0;fileindex < search->numfilenames;fileindex++)
1684         {
1685                 text = f = (char *)FS_LoadFile(search->filenames[fileindex], tempmempool, false, NULL);
1686                 if (!f)
1687                         continue;
1688                 while (COM_ParseToken_QuakeC(&text, false))
1689                 {
1690                         memset (&shader, 0, sizeof(shader));
1691                         shader.reflectmin = 0;
1692                         shader.reflectmax = 1;
1693                         shader.refractfactor = 1;
1694                         Vector4Set(shader.refractcolor4f, 1, 1, 1, 1);
1695                         shader.reflectfactor = 1;
1696                         Vector4Set(shader.reflectcolor4f, 1, 1, 1, 1);
1697                         shader.r_water_wateralpha = 1;
1698                         shader.offsetmapping = (mod_q3shader_default_offsetmapping.value) ? OFFSETMAPPING_DEFAULT : OFFSETMAPPING_OFF;
1699                         shader.offsetscale = 1;
1700                         shader.specularscalemod = 1;
1701                         shader.specularpowermod = 1;
1702                         shader.biaspolygonoffset = mod_q3shader_default_polygonoffset.value;
1703                         shader.biaspolygonfactor = mod_q3shader_default_polygonfactor.value;
1704
1705                         strlcpy(shader.name, com_token, sizeof(shader.name));
1706                         if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
1707                         {
1708                                 Con_DPrintf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[fileindex], com_token);
1709                                 break;
1710                         }
1711                         while (COM_ParseToken_QuakeC(&text, false))
1712                         {
1713                                 if (!strcasecmp(com_token, "}"))
1714                                         break;
1715                                 if (!strcasecmp(com_token, "{"))
1716                                 {
1717                                         static q3shaderinfo_layer_t dummy;
1718                                         if (shader.numlayers < Q3SHADER_MAXLAYERS)
1719                                         {
1720                                                 layer = shader.layers + shader.numlayers++;
1721                                         }
1722                                         else
1723                                         {
1724                                                 // parse and process it anyway, just don't store it (so a map $lightmap or such stuff still is found)
1725                                                 memset(&dummy, 0, sizeof(dummy));
1726                                                 layer = &dummy;
1727                                         }
1728                                         layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITY;
1729                                         layer->alphagen.alphagen = Q3ALPHAGEN_IDENTITY;
1730                                         layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1731                                         layer->blendfunc[0] = GL_ONE;
1732                                         layer->blendfunc[1] = GL_ZERO;
1733                                         while (COM_ParseToken_QuakeC(&text, false))
1734                                         {
1735                                                 if (!strcasecmp(com_token, "}"))
1736                                                         break;
1737                                                 if (!strcasecmp(com_token, "\n"))
1738                                                         continue;
1739                                                 numparameters = 0;
1740                                                 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
1741                                                 {
1742                                                         if (j < TEXTURE_MAXFRAMES + 4)
1743                                                         {
1744                                                                 // remap dp_water to dpwater, dp_reflect to dpreflect, etc.
1745                                                                 if(j == 0 && !strncasecmp(com_token, "dp_", 3))
1746                                                                         dpsnprintf(parameter[j], sizeof(parameter[j]), "dp%s", &com_token[3]);
1747                                                                 else
1748                                                                         strlcpy(parameter[j], com_token, sizeof(parameter[j]));
1749                                                                 numparameters = j + 1;
1750                                                         }
1751                                                         if (!COM_ParseToken_QuakeC(&text, true))
1752                                                                 break;
1753                                                 }
1754                                                 //for (j = numparameters;j < TEXTURE_MAXFRAMES + 4;j++)
1755                                                 //      parameter[j][0] = 0;
1756                                                 if (developer_insane.integer)
1757                                                 {
1758                                                         Con_DPrintf("%s %i: ", shader.name, shader.numlayers - 1);
1759                                                         for (j = 0;j < numparameters;j++)
1760                                                                 Con_DPrintf(" %s", parameter[j]);
1761                                                         Con_DPrint("\n");
1762                                                 }
1763                                                 if (numparameters >= 2 && !strcasecmp(parameter[0], "blendfunc"))
1764                                                 {
1765                                                         if (numparameters == 2)
1766                                                         {
1767                                                                 if (!strcasecmp(parameter[1], "add"))
1768                                                                 {
1769                                                                         layer->blendfunc[0] = GL_ONE;
1770                                                                         layer->blendfunc[1] = GL_ONE;
1771                                                                 }
1772                                                                 else if (!strcasecmp(parameter[1], "filter"))
1773                                                                 {
1774                                                                         layer->blendfunc[0] = GL_DST_COLOR;
1775                                                                         layer->blendfunc[1] = GL_ZERO;
1776                                                                 }
1777                                                                 else if (!strcasecmp(parameter[1], "blend"))
1778                                                                 {
1779                                                                         layer->blendfunc[0] = GL_SRC_ALPHA;
1780                                                                         layer->blendfunc[1] = GL_ONE_MINUS_SRC_ALPHA;
1781                                                                 }
1782                                                         }
1783                                                         else if (numparameters == 3)
1784                                                         {
1785                                                                 int k;
1786                                                                 for (k = 0;k < 2;k++)
1787                                                                 {
1788                                                                         if (!strcasecmp(parameter[k+1], "GL_ONE"))
1789                                                                                 layer->blendfunc[k] = GL_ONE;
1790                                                                         else if (!strcasecmp(parameter[k+1], "GL_ZERO"))
1791                                                                                 layer->blendfunc[k] = GL_ZERO;
1792                                                                         else if (!strcasecmp(parameter[k+1], "GL_SRC_COLOR"))
1793                                                                                 layer->blendfunc[k] = GL_SRC_COLOR;
1794                                                                         else if (!strcasecmp(parameter[k+1], "GL_SRC_ALPHA"))
1795                                                                                 layer->blendfunc[k] = GL_SRC_ALPHA;
1796                                                                         else if (!strcasecmp(parameter[k+1], "GL_DST_COLOR"))
1797                                                                                 layer->blendfunc[k] = GL_DST_COLOR;
1798                                                                         else if (!strcasecmp(parameter[k+1], "GL_DST_ALPHA"))
1799                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
1800                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_COLOR"))
1801                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_SRC_COLOR;
1802                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_ALPHA"))
1803                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_SRC_ALPHA;
1804                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_COLOR"))
1805                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_DST_COLOR;
1806                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_ALPHA"))
1807                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
1808                                                                         else
1809                                                                                 layer->blendfunc[k] = GL_ONE; // default in case of parsing error
1810                                                                 }
1811                                                         }
1812                                                 }
1813                                                 if (numparameters >= 2 && !strcasecmp(parameter[0], "alphafunc"))
1814                                                         layer->alphatest = true;
1815                                                 if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
1816                                                 {
1817                                                         if (!strcasecmp(parameter[0], "clampmap"))
1818                                                                 layer->clampmap = true;
1819                                                         layer->numframes = 1;
1820                                                         layer->framerate = 1;
1821                                                         layer->texturename = (char**)Mem_ExpandableArray_AllocRecord (
1822                                                                 &q3shader_data->char_ptrs);
1823                                                         layer->texturename[0] = Mem_strdup (q3shaders_mem, parameter[1]);
1824                                                         if (!strcasecmp(parameter[1], "$lightmap"))
1825                                                                 shader.lighting = true;
1826                                                 }
1827                                                 else if (numparameters >= 3 && (!strcasecmp(parameter[0], "animmap") || !strcasecmp(parameter[0], "animclampmap")))
1828                                                 {
1829                                                         int i;
1830                                                         layer->numframes = min(numparameters - 2, TEXTURE_MAXFRAMES);
1831                                                         layer->framerate = atof(parameter[1]);
1832                                                         layer->texturename = (char **) Mem_Alloc (q3shaders_mem, sizeof (char*) * layer->numframes);
1833                                                         for (i = 0;i < layer->numframes;i++)
1834                                                                 layer->texturename[i] = Mem_strdup (q3shaders_mem, parameter[i + 2]);
1835                                                 }
1836                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "rgbgen"))
1837                                                 {
1838                                                         int i;
1839                                                         for (i = 0;i < numparameters - 2 && i < Q3RGBGEN_MAXPARMS;i++)
1840                                                                 layer->rgbgen.parms[i] = atof(parameter[i+2]);
1841                                                              if (!strcasecmp(parameter[1], "identity"))         layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITY;
1842                                                         else if (!strcasecmp(parameter[1], "const"))            layer->rgbgen.rgbgen = Q3RGBGEN_CONST;
1843                                                         else if (!strcasecmp(parameter[1], "entity"))           layer->rgbgen.rgbgen = Q3RGBGEN_ENTITY;
1844                                                         else if (!strcasecmp(parameter[1], "exactvertex"))      layer->rgbgen.rgbgen = Q3RGBGEN_EXACTVERTEX;
1845                                                         else if (!strcasecmp(parameter[1], "identitylighting")) layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITYLIGHTING;
1846                                                         else if (!strcasecmp(parameter[1], "lightingdiffuse"))  layer->rgbgen.rgbgen = Q3RGBGEN_LIGHTINGDIFFUSE;
1847                                                         else if (!strcasecmp(parameter[1], "oneminusentity"))   layer->rgbgen.rgbgen = Q3RGBGEN_ONEMINUSENTITY;
1848                                                         else if (!strcasecmp(parameter[1], "oneminusvertex"))   layer->rgbgen.rgbgen = Q3RGBGEN_ONEMINUSVERTEX;
1849                                                         else if (!strcasecmp(parameter[1], "vertex"))           layer->rgbgen.rgbgen = Q3RGBGEN_VERTEX;
1850                                                         else if (!strcasecmp(parameter[1], "wave"))
1851                                                         {
1852                                                                 layer->rgbgen.rgbgen = Q3RGBGEN_WAVE;
1853                                                                 layer->rgbgen.wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1854                                                                 for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1855                                                                         layer->rgbgen.waveparms[i] = atof(parameter[i+3]);
1856                                                         }
1857                                                         else Con_DPrintf("%s parsing warning: unknown rgbgen %s\n", search->filenames[fileindex], parameter[1]);
1858                                                 }
1859                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "alphagen"))
1860                                                 {
1861                                                         int i;
1862                                                         for (i = 0;i < numparameters - 2 && i < Q3ALPHAGEN_MAXPARMS;i++)
1863                                                                 layer->alphagen.parms[i] = atof(parameter[i+2]);
1864                                                              if (!strcasecmp(parameter[1], "identity"))         layer->alphagen.alphagen = Q3ALPHAGEN_IDENTITY;
1865                                                         else if (!strcasecmp(parameter[1], "const"))            layer->alphagen.alphagen = Q3ALPHAGEN_CONST;
1866                                                         else if (!strcasecmp(parameter[1], "entity"))           layer->alphagen.alphagen = Q3ALPHAGEN_ENTITY;
1867                                                         else if (!strcasecmp(parameter[1], "lightingspecular")) layer->alphagen.alphagen = Q3ALPHAGEN_LIGHTINGSPECULAR;
1868                                                         else if (!strcasecmp(parameter[1], "oneminusentity"))   layer->alphagen.alphagen = Q3ALPHAGEN_ONEMINUSENTITY;
1869                                                         else if (!strcasecmp(parameter[1], "oneminusvertex"))   layer->alphagen.alphagen = Q3ALPHAGEN_ONEMINUSVERTEX;
1870                                                         else if (!strcasecmp(parameter[1], "portal"))           layer->alphagen.alphagen = Q3ALPHAGEN_PORTAL;
1871                                                         else if (!strcasecmp(parameter[1], "vertex"))           layer->alphagen.alphagen = Q3ALPHAGEN_VERTEX;
1872                                                         else if (!strcasecmp(parameter[1], "wave"))
1873                                                         {
1874                                                                 layer->alphagen.alphagen = Q3ALPHAGEN_WAVE;
1875                                                                 layer->alphagen.wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1876                                                                 for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1877                                                                         layer->alphagen.waveparms[i] = atof(parameter[i+3]);
1878                                                         }
1879                                                         else Con_DPrintf("%s parsing warning: unknown alphagen %s\n", search->filenames[fileindex], parameter[1]);
1880                                                 }
1881                                                 else if (numparameters >= 2 && (!strcasecmp(parameter[0], "texgen") || !strcasecmp(parameter[0], "tcgen")))
1882                                                 {
1883                                                         int i;
1884                                                         // observed values: tcgen environment
1885                                                         // no other values have been observed in real shaders
1886                                                         for (i = 0;i < numparameters - 2 && i < Q3TCGEN_MAXPARMS;i++)
1887                                                                 layer->tcgen.parms[i] = atof(parameter[i+2]);
1888                                                              if (!strcasecmp(parameter[1], "base"))        layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1889                                                         else if (!strcasecmp(parameter[1], "texture"))     layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1890                                                         else if (!strcasecmp(parameter[1], "environment")) layer->tcgen.tcgen = Q3TCGEN_ENVIRONMENT;
1891                                                         else if (!strcasecmp(parameter[1], "lightmap"))    layer->tcgen.tcgen = Q3TCGEN_LIGHTMAP;
1892                                                         else if (!strcasecmp(parameter[1], "vector"))      layer->tcgen.tcgen = Q3TCGEN_VECTOR;
1893                                                         else Con_DPrintf("%s parsing warning: unknown tcgen mode %s\n", search->filenames[fileindex], parameter[1]);
1894                                                 }
1895                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "tcmod"))
1896                                                 {
1897                                                         int i, tcmodindex;
1898                                                         // observed values:
1899                                                         // tcmod rotate #
1900                                                         // tcmod scale # #
1901                                                         // tcmod scroll # #
1902                                                         // tcmod stretch sin # # # #
1903                                                         // tcmod stretch triangle # # # #
1904                                                         // tcmod transform # # # # # #
1905                                                         // tcmod turb # # # #
1906                                                         // tcmod turb sin # # # #  (this is bogus)
1907                                                         // no other values have been observed in real shaders
1908                                                         for (tcmodindex = 0;tcmodindex < Q3MAXTCMODS;tcmodindex++)
1909                                                                 if (!layer->tcmods[tcmodindex].tcmod)
1910                                                                         break;
1911                                                         if (tcmodindex < Q3MAXTCMODS)
1912                                                         {
1913                                                                 for (i = 0;i < numparameters - 2 && i < Q3TCMOD_MAXPARMS;i++)
1914                                                                         layer->tcmods[tcmodindex].parms[i] = atof(parameter[i+2]);
1915                                                                          if (!strcasecmp(parameter[1], "entitytranslate")) layer->tcmods[tcmodindex].tcmod = Q3TCMOD_ENTITYTRANSLATE;
1916                                                                 else if (!strcasecmp(parameter[1], "rotate"))          layer->tcmods[tcmodindex].tcmod = Q3TCMOD_ROTATE;
1917                                                                 else if (!strcasecmp(parameter[1], "scale"))           layer->tcmods[tcmodindex].tcmod = Q3TCMOD_SCALE;
1918                                                                 else if (!strcasecmp(parameter[1], "scroll"))          layer->tcmods[tcmodindex].tcmod = Q3TCMOD_SCROLL;
1919                                                                 else if (!strcasecmp(parameter[1], "page"))            layer->tcmods[tcmodindex].tcmod = Q3TCMOD_PAGE;
1920                                                                 else if (!strcasecmp(parameter[1], "stretch"))
1921                                                                 {
1922                                                                         layer->tcmods[tcmodindex].tcmod = Q3TCMOD_STRETCH;
1923                                                                         layer->tcmods[tcmodindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1924                                                                         for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1925                                                                                 layer->tcmods[tcmodindex].waveparms[i] = atof(parameter[i+3]);
1926                                                                 }
1927                                                                 else if (!strcasecmp(parameter[1], "transform"))       layer->tcmods[tcmodindex].tcmod = Q3TCMOD_TRANSFORM;
1928                                                                 else if (!strcasecmp(parameter[1], "turb"))            layer->tcmods[tcmodindex].tcmod = Q3TCMOD_TURBULENT;
1929                                                                 else Con_DPrintf("%s parsing warning: unknown tcmod mode %s\n", search->filenames[fileindex], parameter[1]);
1930                                                         }
1931                                                         else
1932                                                                 Con_DPrintf("%s parsing warning: too many tcmods on one layer\n", search->filenames[fileindex]);
1933                                                 }
1934                                                 // break out a level if it was a closing brace (not using the character here to not confuse vim)
1935                                                 if (!strcasecmp(com_token, "}"))
1936                                                         break;
1937                                         }
1938                                         if (layer->rgbgen.rgbgen == Q3RGBGEN_LIGHTINGDIFFUSE || layer->rgbgen.rgbgen == Q3RGBGEN_VERTEX)
1939                                                 shader.lighting = true;
1940                                         if (layer->alphagen.alphagen == Q3ALPHAGEN_VERTEX)
1941                                         {
1942                                                 if (layer == shader.layers + 0)
1943                                                 {
1944                                                         // vertex controlled transparency
1945                                                         shader.vertexalpha = true;
1946                                                 }
1947                                                 else
1948                                                 {
1949                                                         // multilayer terrain shader or similar
1950                                                         shader.textureblendalpha = true;
1951                                                 }
1952                                         }
1953                                         layer->texflags = TEXF_ALPHA;
1954                                         if (!(shader.surfaceparms & Q3SURFACEPARM_NOMIPMAPS))
1955                                                 layer->texflags |= TEXF_MIPMAP;
1956                                         if (!(shader.textureflags & Q3TEXTUREFLAG_NOPICMIP))
1957                                                 layer->texflags |= TEXF_PICMIP | TEXF_COMPRESS;
1958                                         if (layer->clampmap)
1959                                                 layer->texflags |= TEXF_CLAMP;
1960                                         continue;
1961                                 }
1962                                 numparameters = 0;
1963                                 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
1964                                 {
1965                                         if (j < TEXTURE_MAXFRAMES + 4)
1966                                         {
1967                                                 // remap dp_water to dpwater, dp_reflect to dpreflect, etc.
1968                                                 if(j == 0 && !strncasecmp(com_token, "dp_", 3))
1969                                                         dpsnprintf(parameter[j], sizeof(parameter[j]), "dp%s", &com_token[3]);
1970                                                 else
1971                                                         strlcpy(parameter[j], com_token, sizeof(parameter[j]));
1972                                                 numparameters = j + 1;
1973                                         }
1974                                         if (!COM_ParseToken_QuakeC(&text, true))
1975                                                 break;
1976                                 }
1977                                 //for (j = numparameters;j < TEXTURE_MAXFRAMES + 4;j++)
1978                                 //      parameter[j][0] = 0;
1979                                 if (fileindex == 0 && !strcasecmp(com_token, "}"))
1980                                         break;
1981                                 if (developer_insane.integer)
1982                                 {
1983                                         Con_DPrintf("%s: ", shader.name);
1984                                         for (j = 0;j < numparameters;j++)
1985                                                 Con_DPrintf(" %s", parameter[j]);
1986                                         Con_DPrint("\n");
1987                                 }
1988                                 if (numparameters < 1)
1989                                         continue;
1990                                 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
1991                                 {
1992                                         if (!strcasecmp(parameter[1], "alphashadow"))
1993                                                 shader.surfaceparms |= Q3SURFACEPARM_ALPHASHADOW;
1994                                         else if (!strcasecmp(parameter[1], "areaportal"))
1995                                                 shader.surfaceparms |= Q3SURFACEPARM_AREAPORTAL;
1996                                         else if (!strcasecmp(parameter[1], "botclip"))
1997                                                 shader.surfaceparms |= Q3SURFACEPARM_BOTCLIP;
1998                                         else if (!strcasecmp(parameter[1], "clusterportal"))
1999                                                 shader.surfaceparms |= Q3SURFACEPARM_CLUSTERPORTAL;
2000                                         else if (!strcasecmp(parameter[1], "detail"))
2001                                                 shader.surfaceparms |= Q3SURFACEPARM_DETAIL;
2002                                         else if (!strcasecmp(parameter[1], "donotenter"))
2003                                                 shader.surfaceparms |= Q3SURFACEPARM_DONOTENTER;
2004                                         else if (!strcasecmp(parameter[1], "dust"))
2005                                                 shader.surfaceparms |= Q3SURFACEPARM_DUST;
2006                                         else if (!strcasecmp(parameter[1], "hint"))
2007                                                 shader.surfaceparms |= Q3SURFACEPARM_HINT;
2008                                         else if (!strcasecmp(parameter[1], "fog"))
2009                                                 shader.surfaceparms |= Q3SURFACEPARM_FOG;
2010                                         else if (!strcasecmp(parameter[1], "lava"))
2011                                                 shader.surfaceparms |= Q3SURFACEPARM_LAVA;
2012                                         else if (!strcasecmp(parameter[1], "lightfilter"))
2013                                                 shader.surfaceparms |= Q3SURFACEPARM_LIGHTFILTER;
2014                                         else if (!strcasecmp(parameter[1], "lightgrid"))
2015                                                 shader.surfaceparms |= Q3SURFACEPARM_LIGHTGRID;
2016                                         else if (!strcasecmp(parameter[1], "metalsteps"))
2017                                                 shader.surfaceparms |= Q3SURFACEPARM_METALSTEPS;
2018                                         else if (!strcasecmp(parameter[1], "nodamage"))
2019                                                 shader.surfaceparms |= Q3SURFACEPARM_NODAMAGE;
2020                                         else if (!strcasecmp(parameter[1], "nodlight"))
2021                                                 shader.surfaceparms |= Q3SURFACEPARM_NODLIGHT;
2022                                         else if (!strcasecmp(parameter[1], "nodraw"))
2023                                                 shader.surfaceparms |= Q3SURFACEPARM_NODRAW;
2024                                         else if (!strcasecmp(parameter[1], "nodrop"))
2025                                                 shader.surfaceparms |= Q3SURFACEPARM_NODROP;
2026                                         else if (!strcasecmp(parameter[1], "noimpact"))
2027                                                 shader.surfaceparms |= Q3SURFACEPARM_NOIMPACT;
2028                                         else if (!strcasecmp(parameter[1], "nolightmap"))
2029                                                 shader.surfaceparms |= Q3SURFACEPARM_NOLIGHTMAP;
2030                                         else if (!strcasecmp(parameter[1], "nomarks"))
2031                                                 shader.surfaceparms |= Q3SURFACEPARM_NOMARKS;
2032                                         else if (!strcasecmp(parameter[1], "nomipmaps"))
2033                                                 shader.surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
2034                                         else if (!strcasecmp(parameter[1], "nonsolid"))
2035                                                 shader.surfaceparms |= Q3SURFACEPARM_NONSOLID;
2036                                         else if (!strcasecmp(parameter[1], "origin"))
2037                                                 shader.surfaceparms |= Q3SURFACEPARM_ORIGIN;
2038                                         else if (!strcasecmp(parameter[1], "playerclip"))
2039                                                 shader.surfaceparms |= Q3SURFACEPARM_PLAYERCLIP;
2040                                         else if (!strcasecmp(parameter[1], "sky"))
2041                                                 shader.surfaceparms |= Q3SURFACEPARM_SKY;
2042                                         else if (!strcasecmp(parameter[1], "slick"))
2043                                                 shader.surfaceparms |= Q3SURFACEPARM_SLICK;
2044                                         else if (!strcasecmp(parameter[1], "slime"))
2045                                                 shader.surfaceparms |= Q3SURFACEPARM_SLIME;
2046                                         else if (!strcasecmp(parameter[1], "structural"))
2047                                                 shader.surfaceparms |= Q3SURFACEPARM_STRUCTURAL;
2048                                         else if (!strcasecmp(parameter[1], "trans"))
2049                                                 shader.surfaceparms |= Q3SURFACEPARM_TRANS;
2050                                         else if (!strcasecmp(parameter[1], "water"))
2051                                                 shader.surfaceparms |= Q3SURFACEPARM_WATER;
2052                                         else if (!strcasecmp(parameter[1], "pointlight"))
2053                                                 shader.surfaceparms |= Q3SURFACEPARM_POINTLIGHT;
2054                                         else if (!strcasecmp(parameter[1], "antiportal"))
2055                                                 shader.surfaceparms |= Q3SURFACEPARM_ANTIPORTAL;
2056                                         else
2057                                         {
2058                                                 // try custom surfaceparms
2059                                                 for (j = 0; j < numcustsurfaceparms; j++)
2060                                                 {
2061                                                         if (!strcasecmp(custsurfaceparmnames[j], parameter[1]))
2062                                                         {
2063                                                                 shader.surfaceparms |= custsurfaceparms[j];
2064                                                                 break;
2065                                                         }
2066                                                 }
2067                                                 // failed all
2068                                                 if (j == numcustsurfaceparms)
2069                                                         Con_DPrintf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[fileindex], parameter[1]);
2070                                         }
2071                                 }
2072                                 else if (!strcasecmp(parameter[0], "dpshadow"))
2073                                         shader.dpshadow = true;
2074                                 else if (!strcasecmp(parameter[0], "dpnoshadow"))
2075                                         shader.dpnoshadow = true;
2076                                 else if (!strcasecmp(parameter[0], "dpnortlight"))
2077                                         shader.dpnortlight = true;
2078                                 else if (!strcasecmp(parameter[0], "dpreflectcube"))
2079                                         strlcpy(shader.dpreflectcube, parameter[1], sizeof(shader.dpreflectcube));
2080                                 else if (!strcasecmp(parameter[0], "dpmeshcollisions"))
2081                                         shader.dpmeshcollisions = true;
2082                                 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
2083                                 {
2084                                         // some q3 skies don't have the sky parm set
2085                                         shader.surfaceparms |= Q3SURFACEPARM_SKY;
2086                                         strlcpy(shader.skyboxname, parameter[1], sizeof(shader.skyboxname));
2087                                 }
2088                                 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
2089                                 {
2090                                         // some q3 skies don't have the sky parm set
2091                                         shader.surfaceparms |= Q3SURFACEPARM_SKY;
2092                                         if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
2093                                                 strlcpy(shader.skyboxname, parameter[1], sizeof(shader.skyboxname));
2094                                 }
2095                                 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
2096                                 {
2097                                         if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
2098                                                 shader.textureflags |= Q3TEXTUREFLAG_TWOSIDED;
2099                                 }
2100                                 else if (!strcasecmp(parameter[0], "nomipmaps"))
2101                                         shader.surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
2102                                 else if (!strcasecmp(parameter[0], "nopicmip"))
2103                                         shader.textureflags |= Q3TEXTUREFLAG_NOPICMIP;
2104                                 else if (!strcasecmp(parameter[0], "polygonoffset"))
2105                                         shader.textureflags |= Q3TEXTUREFLAG_POLYGONOFFSET;
2106                                 else if (!strcasecmp(parameter[0], "dppolygonoffset"))
2107                                 {
2108                                         shader.textureflags |= Q3TEXTUREFLAG_POLYGONOFFSET;
2109                                         if(numparameters >= 2)
2110                                         {
2111                                                 shader.biaspolygonfactor = atof(parameter[1]);
2112                                                 if(numparameters >= 3)
2113                                                         shader.biaspolygonoffset = atof(parameter[2]);
2114                                                 else
2115                                                         shader.biaspolygonoffset = 0;
2116                                         }
2117                                 }
2118                                 else if (!strcasecmp(parameter[0], "dprefract") && numparameters >= 5)
2119                                 {
2120                                         shader.textureflags |= Q3TEXTUREFLAG_REFRACTION;
2121                                         shader.refractfactor = atof(parameter[1]);
2122                                         Vector4Set(shader.refractcolor4f, atof(parameter[2]), atof(parameter[3]), atof(parameter[4]), 1);
2123                                 }
2124                                 else if (!strcasecmp(parameter[0], "dpreflect") && numparameters >= 6)
2125                                 {
2126                                         shader.textureflags |= Q3TEXTUREFLAG_REFLECTION;
2127                                         shader.reflectfactor = atof(parameter[1]);
2128                                         Vector4Set(shader.reflectcolor4f, atof(parameter[2]), atof(parameter[3]), atof(parameter[4]), atof(parameter[5]));
2129                                 }
2130                                 else if (!strcasecmp(parameter[0], "dpcamera"))
2131                                 {
2132                                         shader.textureflags |= Q3TEXTUREFLAG_CAMERA;
2133                                 }
2134                                 else if (!strcasecmp(parameter[0], "dpwater") && numparameters >= 12)
2135                                 {
2136                                         shader.textureflags |= Q3TEXTUREFLAG_WATERSHADER;
2137                                         shader.reflectmin = atof(parameter[1]);
2138                                         shader.reflectmax = atof(parameter[2]);
2139                                         shader.refractfactor = atof(parameter[3]);
2140                                         shader.reflectfactor = atof(parameter[4]);
2141                                         Vector4Set(shader.refractcolor4f, atof(parameter[5]), atof(parameter[6]), atof(parameter[7]), 1);
2142                                         Vector4Set(shader.reflectcolor4f, atof(parameter[8]), atof(parameter[9]), atof(parameter[10]), 1);
2143                                         shader.r_water_wateralpha = atof(parameter[11]);
2144                                 }
2145                                 else if (!strcasecmp(parameter[0], "dpwaterscroll") && numparameters >= 3)
2146                                 {
2147                                         shader.r_water_waterscroll[0] = 1/atof(parameter[1]);
2148                                         shader.r_water_waterscroll[1] = 1/atof(parameter[2]);
2149                                 }
2150                                 else if (!strcasecmp(parameter[0], "dpglossintensitymod") && numparameters >= 2)
2151                                 {
2152                                         shader.specularscalemod = atof(parameter[1]);
2153                                 }
2154                                 else if (!strcasecmp(parameter[0], "dpglossexponentmod") && numparameters >= 2)
2155                                 {
2156                                         shader.specularpowermod = atof(parameter[1]);
2157                                 }
2158                                 else if (!strcasecmp(parameter[0], "dprtlightambient") && numparameters >= 2)
2159                                 {
2160                                         shader.rtlightambient = atof(parameter[1]);
2161                                 }
2162                                 else if (!strcasecmp(parameter[0], "dpoffsetmapping") && numparameters >= 3)
2163                                 {
2164                                         if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "off"))
2165                                                 shader.offsetmapping = OFFSETMAPPING_OFF;
2166                                         else if (!strcasecmp(parameter[1], "default"))
2167                                                 shader.offsetmapping = OFFSETMAPPING_DEFAULT;
2168                                         else if (!strcasecmp(parameter[1], "linear"))
2169                                                 shader.offsetmapping = OFFSETMAPPING_LINEAR;
2170                                         else if (!strcasecmp(parameter[1], "relief"))
2171                                                 shader.offsetmapping = OFFSETMAPPING_RELIEF;
2172                                         shader.offsetscale = atof(parameter[2]);
2173                                 }
2174                                 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
2175                                 {
2176                                         int i, deformindex;
2177                                         for (deformindex = 0;deformindex < Q3MAXDEFORMS;deformindex++)
2178                                                 if (!shader.deforms[deformindex].deform)
2179                                                         break;
2180                                         if (deformindex < Q3MAXDEFORMS)
2181                                         {
2182                                                 for (i = 0;i < numparameters - 2 && i < Q3DEFORM_MAXPARMS;i++)
2183                                                         shader.deforms[deformindex].parms[i] = atof(parameter[i+2]);
2184                                                      if (!strcasecmp(parameter[1], "projectionshadow")) shader.deforms[deformindex].deform = Q3DEFORM_PROJECTIONSHADOW;
2185                                                 else if (!strcasecmp(parameter[1], "autosprite"      )) shader.deforms[deformindex].deform = Q3DEFORM_AUTOSPRITE;
2186                                                 else if (!strcasecmp(parameter[1], "autosprite2"     )) shader.deforms[deformindex].deform = Q3DEFORM_AUTOSPRITE2;
2187                                                 else if (!strcasecmp(parameter[1], "text0"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT0;
2188                                                 else if (!strcasecmp(parameter[1], "text1"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT1;
2189                                                 else if (!strcasecmp(parameter[1], "text2"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT2;
2190                                                 else if (!strcasecmp(parameter[1], "text3"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT3;
2191                                                 else if (!strcasecmp(parameter[1], "text4"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT4;
2192                                                 else if (!strcasecmp(parameter[1], "text5"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT5;
2193                                                 else if (!strcasecmp(parameter[1], "text6"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT6;
2194                                                 else if (!strcasecmp(parameter[1], "text7"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT7;
2195                                                 else if (!strcasecmp(parameter[1], "bulge"           )) shader.deforms[deformindex].deform = Q3DEFORM_BULGE;
2196                                                 else if (!strcasecmp(parameter[1], "normal"          )) shader.deforms[deformindex].deform = Q3DEFORM_NORMAL;
2197                                                 else if (!strcasecmp(parameter[1], "wave"            ))
2198                                                 {
2199                                                         shader.deforms[deformindex].deform = Q3DEFORM_WAVE;
2200                                                         shader.deforms[deformindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[3]);
2201                                                         for (i = 0;i < numparameters - 4 && i < Q3WAVEPARMS;i++)
2202                                                                 shader.deforms[deformindex].waveparms[i] = atof(parameter[i+4]);
2203                                                 }
2204                                                 else if (!strcasecmp(parameter[1], "move"            ))
2205                                                 {
2206                                                         shader.deforms[deformindex].deform = Q3DEFORM_MOVE;
2207                                                         shader.deforms[deformindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[5]);
2208                                                         for (i = 0;i < numparameters - 6 && i < Q3WAVEPARMS;i++)
2209                                                                 shader.deforms[deformindex].waveparms[i] = atof(parameter[i+6]);
2210                                                 }
2211                                         }
2212                                 }
2213                         }
2214                         // pick the primary layer to render with
2215                         if (shader.numlayers)
2216                         {
2217                                 shader.backgroundlayer = -1;
2218                                 shader.primarylayer = 0;
2219                                 // if lightmap comes first this is definitely an ordinary texture
2220                                 // if the first two layers have the correct blendfuncs and use vertex alpha, it is a blended terrain shader
2221                                 if ((shader.layers[shader.primarylayer].texturename != NULL)
2222                                   && !strcasecmp(shader.layers[shader.primarylayer].texturename[0], "$lightmap"))
2223                                 {
2224                                         shader.backgroundlayer = -1;
2225                                         shader.primarylayer = 1;
2226                                 }
2227                                 else if (shader.numlayers >= 2
2228                                 &&   shader.layers[1].alphagen.alphagen == Q3ALPHAGEN_VERTEX
2229                                 &&  (shader.layers[0].blendfunc[0] == GL_ONE       && shader.layers[0].blendfunc[1] == GL_ZERO                && !shader.layers[0].alphatest)
2230                                 && ((shader.layers[1].blendfunc[0] == GL_SRC_ALPHA && shader.layers[1].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
2231                                 ||  (shader.layers[1].blendfunc[0] == GL_ONE       && shader.layers[1].blendfunc[1] == GL_ZERO                &&  shader.layers[1].alphatest)))
2232                                 {
2233                                         // terrain blending or other effects
2234                                         shader.backgroundlayer = 0;
2235                                         shader.primarylayer = 1;
2236                                 }
2237                         }
2238                         // fix up multiple reflection types
2239                         if(shader.textureflags & Q3TEXTUREFLAG_WATERSHADER)
2240                                 shader.textureflags &= ~(Q3TEXTUREFLAG_REFRACTION | Q3TEXTUREFLAG_REFLECTION | Q3TEXTUREFLAG_CAMERA);
2241
2242                         Q3Shader_AddToHash (&shader);
2243                 }
2244                 Mem_Free(f);
2245         }
2246         FS_FreeSearch(search);
2247         // free custinfoparm values
2248         for (j = 0; j < numcustsurfaceparms; j++)
2249                 Mem_Free(custsurfaceparmnames[j]);
2250 }
2251
2252 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name)
2253 {
2254         unsigned short hash;
2255         q3shader_hash_entry_t* entry;
2256         if (!q3shaders_mem)
2257                 Mod_LoadQ3Shaders();
2258         hash = CRC_Block_CaseInsensitive ((const unsigned char *)name, strlen (name));
2259         entry = q3shader_data->hash + (hash % Q3SHADER_HASH_SIZE);
2260         while (entry != NULL)
2261         {
2262                 if (strcasecmp (entry->shader.name, name) == 0)
2263                         return &entry->shader;
2264                 entry = entry->chain;
2265         }
2266         return NULL;
2267 }
2268
2269 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags)
2270 {
2271         int j;
2272         int texflagsmask, texflagsor;
2273         qboolean success = true;
2274         q3shaderinfo_t *shader;
2275         if (!name)
2276                 name = "";
2277         strlcpy(texture->name, name, sizeof(texture->name));
2278         shader = name[0] ? Mod_LookupQ3Shader(name) : NULL;
2279
2280         texflagsmask = ~0;
2281         if(!(defaulttexflags & TEXF_PICMIP))
2282                 texflagsmask &= ~TEXF_PICMIP;
2283         if(!(defaulttexflags & TEXF_COMPRESS))
2284                 texflagsmask &= ~TEXF_COMPRESS;
2285         texflagsor = 0;
2286         if(defaulttexflags & TEXF_ISWORLD)
2287                 texflagsor |= TEXF_ISWORLD;
2288         if(defaulttexflags & TEXF_ISSPRITE)
2289                 texflagsor |= TEXF_ISSPRITE;
2290         // unless later loaded from the shader
2291         texture->offsetmapping = (mod_noshader_default_offsetmapping.value) ? OFFSETMAPPING_DEFAULT : OFFSETMAPPING_OFF;
2292         texture->offsetscale = 1;
2293         texture->specularscalemod = 1;
2294         texture->specularpowermod = 1;
2295         // WHEN ADDING DEFAULTS HERE, REMEMBER TO SYNC TO SHADER LOADING ABOVE
2296         // HERE, AND Q1BSP LOADING
2297         // JUST GREP FOR "specularscalemod = 1".
2298
2299         if (shader)
2300         {
2301                 if (developer_loading.integer)
2302                         Con_Printf("%s: loaded shader for %s\n", loadmodel->name, name);
2303                 texture->surfaceparms = shader->surfaceparms;
2304
2305                 // allow disabling of picmip or compression by defaulttexflags
2306                 texture->textureflags = (shader->textureflags & texflagsmask) | texflagsor;
2307
2308                 if (shader->surfaceparms & Q3SURFACEPARM_SKY)
2309                 {
2310                         texture->basematerialflags = MATERIALFLAG_SKY | MATERIALFLAG_NOSHADOW;
2311                         if (shader->skyboxname[0])
2312                         {
2313                                 // quake3 seems to append a _ to the skybox name, so this must do so as well
2314                                 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", shader->skyboxname);
2315                         }
2316                 }
2317                 else if ((texture->surfaceflags & Q3SURFACEFLAG_NODRAW) || shader->numlayers == 0)
2318                         texture->basematerialflags = MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
2319                 else
2320                         texture->basematerialflags = MATERIALFLAG_WALL;
2321
2322                 if (shader->layers[0].alphatest)
2323                         texture->basematerialflags |= MATERIALFLAG_ALPHATEST | MATERIALFLAG_NOSHADOW;
2324                 if (shader->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2325                         texture->basematerialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
2326                 if (shader->textureflags & Q3TEXTUREFLAG_POLYGONOFFSET)
2327                 {
2328                         texture->biaspolygonoffset += shader->biaspolygonoffset;
2329                         texture->biaspolygonfactor += shader->biaspolygonfactor;
2330                 }
2331                 if (shader->textureflags & Q3TEXTUREFLAG_REFRACTION)
2332                         texture->basematerialflags |= MATERIALFLAG_REFRACTION;
2333                 if (shader->textureflags & Q3TEXTUREFLAG_REFLECTION)
2334                         texture->basematerialflags |= MATERIALFLAG_REFLECTION;
2335                 if (shader->textureflags & Q3TEXTUREFLAG_WATERSHADER)
2336                         texture->basematerialflags |= MATERIALFLAG_WATERSHADER;
2337                 if (shader->textureflags & Q3TEXTUREFLAG_CAMERA)
2338                         texture->basematerialflags |= MATERIALFLAG_CAMERA;
2339                 texture->customblendfunc[0] = GL_ONE;
2340                 texture->customblendfunc[1] = GL_ZERO;
2341                 if (shader->numlayers > 0)
2342                 {
2343                         texture->customblendfunc[0] = shader->layers[0].blendfunc[0];
2344                         texture->customblendfunc[1] = shader->layers[0].blendfunc[1];
2345 /*
2346 Q3 shader blendfuncs actually used in the game (* = supported by DP)
2347 * additive               GL_ONE GL_ONE
2348 additive weird         GL_ONE GL_SRC_ALPHA
2349 additive weird 2       GL_ONE GL_ONE_MINUS_SRC_ALPHA
2350 * alpha                  GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA
2351 alpha inverse          GL_ONE_MINUS_SRC_ALPHA GL_SRC_ALPHA
2352 brighten               GL_DST_COLOR GL_ONE
2353 brighten               GL_ONE GL_SRC_COLOR
2354 brighten weird         GL_DST_COLOR GL_ONE_MINUS_DST_ALPHA
2355 brighten weird 2       GL_DST_COLOR GL_SRC_ALPHA
2356 * modulate               GL_DST_COLOR GL_ZERO
2357 * modulate               GL_ZERO GL_SRC_COLOR
2358 modulate inverse       GL_ZERO GL_ONE_MINUS_SRC_COLOR
2359 modulate inverse alpha GL_ZERO GL_SRC_ALPHA
2360 modulate weird inverse GL_ONE_MINUS_DST_COLOR GL_ZERO
2361 * modulate x2            GL_DST_COLOR GL_SRC_COLOR
2362 * no blend               GL_ONE GL_ZERO
2363 nothing                GL_ZERO GL_ONE
2364 */
2365                         // if not opaque, figure out what blendfunc to use
2366                         if (shader->layers[0].blendfunc[0] != GL_ONE || shader->layers[0].blendfunc[1] != GL_ZERO)
2367                         {
2368                                 if (shader->layers[0].blendfunc[0] == GL_ONE && shader->layers[0].blendfunc[1] == GL_ONE)
2369                                         texture->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2370                                 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE)
2371                                         texture->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2372                                 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
2373                                         texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2374                                 else
2375                                         texture->basematerialflags |= MATERIALFLAG_CUSTOMBLEND | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2376                         }
2377                 }
2378                 if (!shader->lighting)
2379                         texture->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
2380                 if (shader->primarylayer >= 0)
2381                 {
2382                         q3shaderinfo_layer_t* primarylayer = shader->layers + shader->primarylayer;
2383                         // copy over many primarylayer parameters
2384                         texture->rgbgen = primarylayer->rgbgen;
2385                         texture->alphagen = primarylayer->alphagen;
2386                         texture->tcgen = primarylayer->tcgen;
2387                         memcpy(texture->tcmods, primarylayer->tcmods, sizeof(texture->tcmods));
2388                         // load the textures
2389                         texture->numskinframes = primarylayer->numframes;
2390                         texture->skinframerate = primarylayer->framerate;
2391                         for (j = 0;j < primarylayer->numframes;j++)
2392                         {
2393                                 if(cls.state == ca_dedicated)
2394                                 {
2395                                         texture->skinframes[j] = NULL;
2396                                 }
2397                                 else if (!(texture->skinframes[j] = R_SkinFrame_LoadExternal(primarylayer->texturename[j], (primarylayer->texflags & texflagsmask) | texflagsor, false)))
2398                                 {
2399                                         Con_Printf("^1%s:^7 could not load texture ^3\"%s\"^7 (frame %i) for shader ^2\"%s\"\n", loadmodel->name, primarylayer->texturename[j], j, texture->name);
2400                                         texture->skinframes[j] = R_SkinFrame_LoadMissing();
2401                                 }
2402                         }
2403                 }
2404                 if (shader->backgroundlayer >= 0)
2405                 {
2406                         q3shaderinfo_layer_t* backgroundlayer = shader->layers + shader->backgroundlayer;
2407                         // copy over one secondarylayer parameter
2408                         memcpy(texture->backgroundtcmods, backgroundlayer->tcmods, sizeof(texture->backgroundtcmods));
2409                         // load the textures
2410                         texture->backgroundnumskinframes = backgroundlayer->numframes;
2411                         texture->backgroundskinframerate = backgroundlayer->framerate;
2412                         for (j = 0;j < backgroundlayer->numframes;j++)
2413                         {
2414                                 if(cls.state == ca_dedicated)
2415                                 {
2416                                         texture->skinframes[j] = NULL;
2417                                 }
2418                                 else if (!(texture->backgroundskinframes[j] = R_SkinFrame_LoadExternal(backgroundlayer->texturename[j], (backgroundlayer->texflags & texflagsmask) | texflagsor, false)))
2419                                 {
2420                                         Con_Printf("^1%s:^7 could not load texture ^3\"%s\"^7 (background frame %i) for shader ^2\"%s\"\n", loadmodel->name, backgroundlayer->texturename[j], j, texture->name);
2421                                         texture->backgroundskinframes[j] = R_SkinFrame_LoadMissing();
2422                                 }
2423                         }
2424                 }
2425                 if (shader->dpshadow)
2426                         texture->basematerialflags &= ~MATERIALFLAG_NOSHADOW;
2427                 if (shader->dpnoshadow)
2428                         texture->basematerialflags |= MATERIALFLAG_NOSHADOW;
2429                 if (shader->dpnortlight)
2430                         texture->basematerialflags |= MATERIALFLAG_NORTLIGHT;
2431                 memcpy(texture->deforms, shader->deforms, sizeof(texture->deforms));
2432                 texture->reflectmin = shader->reflectmin;
2433                 texture->reflectmax = shader->reflectmax;
2434                 texture->refractfactor = shader->refractfactor;
2435                 Vector4Copy(shader->refractcolor4f, texture->refractcolor4f);
2436                 texture->reflectfactor = shader->reflectfactor;
2437                 Vector4Copy(shader->reflectcolor4f, texture->reflectcolor4f);
2438                 texture->r_water_wateralpha = shader->r_water_wateralpha;
2439                 Vector2Copy(shader->r_water_waterscroll, texture->r_water_waterscroll);
2440                 texture->offsetmapping = shader->offsetmapping;
2441                 texture->offsetscale = shader->offsetscale;
2442                 texture->specularscalemod = shader->specularscalemod;
2443                 texture->specularpowermod = shader->specularpowermod;
2444                 texture->rtlightambient = shader->rtlightambient;
2445                 if (shader->dpreflectcube[0])
2446                         texture->reflectcubetexture = R_GetCubemap(shader->dpreflectcube);
2447
2448                 // set up default supercontents (on q3bsp this is overridden by the q3bsp loader)
2449                 texture->supercontents = SUPERCONTENTS_SOLID | SUPERCONTENTS_OPAQUE;
2450                 if (shader->surfaceparms & Q3SURFACEPARM_LAVA         ) texture->supercontents  = SUPERCONTENTS_LAVA         ;
2451                 if (shader->surfaceparms & Q3SURFACEPARM_SLIME        ) texture->supercontents  = SUPERCONTENTS_SLIME        ;
2452                 if (shader->surfaceparms & Q3SURFACEPARM_WATER        ) texture->supercontents  = SUPERCONTENTS_WATER        ;
2453                 if (shader->surfaceparms & Q3SURFACEPARM_NONSOLID     ) texture->supercontents  = 0                          ;
2454                 if (shader->surfaceparms & Q3SURFACEPARM_PLAYERCLIP   ) texture->supercontents  = SUPERCONTENTS_PLAYERCLIP   ;
2455                 if (shader->surfaceparms & Q3SURFACEPARM_BOTCLIP      ) texture->supercontents  = SUPERCONTENTS_MONSTERCLIP  ;
2456                 if (shader->surfaceparms & Q3SURFACEPARM_SKY          ) texture->supercontents  = SUPERCONTENTS_SKY          ;
2457
2458         //      if (shader->surfaceparms & Q3SURFACEPARM_ALPHASHADOW  ) texture->supercontents |= SUPERCONTENTS_ALPHASHADOW  ;
2459         //      if (shader->surfaceparms & Q3SURFACEPARM_AREAPORTAL   ) texture->supercontents |= SUPERCONTENTS_AREAPORTAL   ;
2460         //      if (shader->surfaceparms & Q3SURFACEPARM_CLUSTERPORTAL) texture->supercontents |= SUPERCONTENTS_CLUSTERPORTAL;
2461         //      if (shader->surfaceparms & Q3SURFACEPARM_DETAIL       ) texture->supercontents |= SUPERCONTENTS_DETAIL       ;
2462                 if (shader->surfaceparms & Q3SURFACEPARM_DONOTENTER   ) texture->supercontents |= SUPERCONTENTS_DONOTENTER   ;
2463         //      if (shader->surfaceparms & Q3SURFACEPARM_FOG          ) texture->supercontents |= SUPERCONTENTS_FOG          ;
2464                 if (shader->surfaceparms & Q3SURFACEPARM_LAVA         ) texture->supercontents |= SUPERCONTENTS_LAVA         ;
2465         //      if (shader->surfaceparms & Q3SURFACEPARM_LIGHTFILTER  ) texture->supercontents |= SUPERCONTENTS_LIGHTFILTER  ;
2466         //      if (shader->surfaceparms & Q3SURFACEPARM_METALSTEPS   ) texture->supercontents |= SUPERCONTENTS_METALSTEPS   ;
2467         //      if (shader->surfaceparms & Q3SURFACEPARM_NODAMAGE     ) texture->supercontents |= SUPERCONTENTS_NODAMAGE     ;
2468         //      if (shader->surfaceparms & Q3SURFACEPARM_NODLIGHT     ) texture->supercontents |= SUPERCONTENTS_NODLIGHT     ;
2469         //      if (shader->surfaceparms & Q3SURFACEPARM_NODRAW       ) texture->supercontents |= SUPERCONTENTS_NODRAW       ;
2470                 if (shader->surfaceparms & Q3SURFACEPARM_NODROP       ) texture->supercontents |= SUPERCONTENTS_NODROP       ;
2471         //      if (shader->surfaceparms & Q3SURFACEPARM_NOIMPACT     ) texture->supercontents |= SUPERCONTENTS_NOIMPACT     ;
2472         //      if (shader->surfaceparms & Q3SURFACEPARM_NOLIGHTMAP   ) texture->supercontents |= SUPERCONTENTS_NOLIGHTMAP   ;
2473         //      if (shader->surfaceparms & Q3SURFACEPARM_NOMARKS      ) texture->supercontents |= SUPERCONTENTS_NOMARKS      ;
2474         //      if (shader->surfaceparms & Q3SURFACEPARM_NOMIPMAPS    ) texture->supercontents |= SUPERCONTENTS_NOMIPMAPS    ;
2475                 if (shader->surfaceparms & Q3SURFACEPARM_NONSOLID     ) texture->supercontents &=~SUPERCONTENTS_SOLID        ;
2476         //      if (shader->surfaceparms & Q3SURFACEPARM_ORIGIN       ) texture->supercontents |= SUPERCONTENTS_ORIGIN       ;
2477                 if (shader->surfaceparms & Q3SURFACEPARM_PLAYERCLIP   ) texture->supercontents |= SUPERCONTENTS_PLAYERCLIP   ;
2478                 if (shader->surfaceparms & Q3SURFACEPARM_SKY          ) texture->supercontents |= SUPERCONTENTS_SKY          ;
2479         //      if (shader->surfaceparms & Q3SURFACEPARM_SLICK        ) texture->supercontents |= SUPERCONTENTS_SLICK        ;
2480                 if (shader->surfaceparms & Q3SURFACEPARM_SLIME        ) texture->supercontents |= SUPERCONTENTS_SLIME        ;
2481         //      if (shader->surfaceparms & Q3SURFACEPARM_STRUCTURAL   ) texture->supercontents |= SUPERCONTENTS_STRUCTURAL   ;
2482         //      if (shader->surfaceparms & Q3SURFACEPARM_TRANS        ) texture->supercontents |= SUPERCONTENTS_TRANS        ;
2483                 if (shader->surfaceparms & Q3SURFACEPARM_WATER        ) texture->supercontents |= SUPERCONTENTS_WATER        ;
2484         //      if (shader->surfaceparms & Q3SURFACEPARM_POINTLIGHT   ) texture->supercontents |= SUPERCONTENTS_POINTLIGHT   ;
2485         //      if (shader->surfaceparms & Q3SURFACEPARM_HINT         ) texture->supercontents |= SUPERCONTENTS_HINT         ;
2486         //      if (shader->surfaceparms & Q3SURFACEPARM_DUST         ) texture->supercontents |= SUPERCONTENTS_DUST         ;
2487                 if (shader->surfaceparms & Q3SURFACEPARM_BOTCLIP      ) texture->supercontents |= SUPERCONTENTS_BOTCLIP      | SUPERCONTENTS_MONSTERCLIP;
2488         //      if (shader->surfaceparms & Q3SURFACEPARM_LIGHTGRID    ) texture->supercontents |= SUPERCONTENTS_LIGHTGRID    ;
2489         //      if (shader->surfaceparms & Q3SURFACEPARM_ANTIPORTAL   ) texture->supercontents |= SUPERCONTENTS_ANTIPORTAL   ;
2490
2491                 if (shader->dpmeshcollisions)
2492                         texture->basematerialflags |= MATERIALFLAG_MESHCOLLISIONS;
2493         }
2494         else if (!strcmp(texture->name, "noshader") || !texture->name[0])
2495         {
2496                 if (developer_extra.integer)
2497                         Con_DPrintf("^1%s:^7 using fallback noshader material for ^3\"%s\"\n", loadmodel->name, name);
2498                 texture->surfaceparms = 0;
2499                 texture->supercontents = SUPERCONTENTS_SOLID | SUPERCONTENTS_OPAQUE;
2500         }
2501         else if (!strcmp(texture->name, "common/nodraw") || !strcmp(texture->name, "textures/common/nodraw"))
2502         {
2503                 if (developer_extra.integer)
2504                         Con_DPrintf("^1%s:^7 using fallback nodraw material for ^3\"%s\"\n", loadmodel->name, name);
2505                 texture->surfaceparms = 0;
2506                 texture->basematerialflags = MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
2507                 texture->supercontents = SUPERCONTENTS_SOLID;
2508         }
2509         else
2510         {
2511                 if (developer_extra.integer)
2512                         Con_DPrintf("^1%s:^7 No shader found for texture ^3\"%s\"\n", loadmodel->name, texture->name);
2513                 texture->surfaceparms = 0;
2514                 if (texture->surfaceflags & Q3SURFACEFLAG_NODRAW)
2515                 {
2516                         texture->basematerialflags |= MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
2517                         texture->supercontents = SUPERCONTENTS_SOLID;
2518                 }
2519                 else if (texture->surfaceflags & Q3SURFACEFLAG_SKY)
2520                 {
2521                         texture->basematerialflags |= MATERIALFLAG_SKY | MATERIALFLAG_NOSHADOW;
2522                         texture->supercontents = SUPERCONTENTS_SKY;
2523                 }
2524                 else
2525                 {
2526                         texture->basematerialflags |= MATERIALFLAG_WALL;
2527                         texture->supercontents = SUPERCONTENTS_SOLID | SUPERCONTENTS_OPAQUE;
2528                 }
2529                 texture->numskinframes = 1;
2530                 if(cls.state == ca_dedicated)
2531                 {
2532                         texture->skinframes[0] = NULL;
2533                         success = false;
2534                 }
2535                 else
2536                 {
2537                         if (fallback)
2538                         {
2539                                 if ((texture->skinframes[0] = R_SkinFrame_LoadExternal(texture->name, defaulttexflags, false)))
2540                                 {
2541                                         if(texture->skinframes[0]->hasalpha)
2542                                                 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2543                                 }
2544                                 else
2545                                         success = false;
2546                         }
2547                         else
2548                                 success = false;
2549                         if (!success && warnmissing)
2550                                 Con_Printf("^1%s:^7 could not load texture ^3\"%s\"\n", loadmodel->name, texture->name);
2551                 }
2552         }
2553         // init the animation variables
2554         texture->currentframe = texture;
2555         if (texture->numskinframes < 1)
2556                 texture->numskinframes = 1;
2557         if (!texture->skinframes[0])
2558                 texture->skinframes[0] = R_SkinFrame_LoadMissing();
2559         texture->currentskinframe = texture->skinframes[0];
2560         texture->backgroundcurrentskinframe = texture->backgroundskinframes[0];
2561         return success;
2562 }
2563
2564 skinfile_t *Mod_LoadSkinFiles(void)
2565 {
2566         int i, words, line, wordsoverflow;
2567         char *text;
2568         const char *data;
2569         skinfile_t *skinfile = NULL, *first = NULL;
2570         skinfileitem_t *skinfileitem;
2571         char word[10][MAX_QPATH];
2572
2573 /*
2574 sample file:
2575 U_bodyBox,models/players/Legoman/BikerA2.tga
2576 U_RArm,models/players/Legoman/BikerA1.tga
2577 U_LArm,models/players/Legoman/BikerA1.tga
2578 U_armor,common/nodraw
2579 U_sword,common/nodraw
2580 U_shield,common/nodraw
2581 U_homb,common/nodraw
2582 U_backpack,common/nodraw
2583 U_colcha,common/nodraw
2584 tag_head,
2585 tag_weapon,
2586 tag_torso,
2587 */
2588         memset(word, 0, sizeof(word));
2589         for (i = 0;i < 256 && (data = text = (char *)FS_LoadFile(va("%s_%i.skin", loadmodel->name, i), tempmempool, true, NULL));i++)
2590         {
2591                 // If it's the first file we parse
2592                 if (skinfile == NULL)
2593                 {
2594                         skinfile = (skinfile_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfile_t));
2595                         first = skinfile;
2596                 }
2597                 else
2598                 {
2599                         skinfile->next = (skinfile_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfile_t));
2600                         skinfile = skinfile->next;
2601                 }
2602                 skinfile->next = NULL;
2603
2604                 for(line = 0;;line++)
2605                 {
2606                         // parse line
2607                         if (!COM_ParseToken_QuakeC(&data, true))
2608                                 break;
2609                         if (!strcmp(com_token, "\n"))
2610                                 continue;
2611                         words = 0;
2612                         wordsoverflow = false;
2613                         do
2614                         {
2615                                 if (words < 10)
2616                                         strlcpy(word[words++], com_token, sizeof (word[0]));
2617                                 else
2618                                         wordsoverflow = true;
2619                         }
2620                         while (COM_ParseToken_QuakeC(&data, true) && strcmp(com_token, "\n"));
2621                         if (wordsoverflow)
2622                         {
2623                                 Con_Printf("Mod_LoadSkinFiles: parsing error in file \"%s_%i.skin\" on line #%i: line with too many statements, skipping\n", loadmodel->name, i, line);
2624                                 continue;
2625                         }
2626                         // words is always >= 1
2627                         if (!strcmp(word[0], "replace"))
2628                         {
2629                                 if (words == 3)
2630                                 {
2631                                         if (developer_loading.integer)
2632                                                 Con_Printf("Mod_LoadSkinFiles: parsed mesh \"%s\" shader replacement \"%s\"\n", word[1], word[2]);
2633                                         skinfileitem = (skinfileitem_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfileitem_t));
2634                                         skinfileitem->next = skinfile->items;
2635                                         skinfile->items = skinfileitem;
2636                                         strlcpy (skinfileitem->name, word[1], sizeof (skinfileitem->name));
2637                                         strlcpy (skinfileitem->replacement, word[2], sizeof (skinfileitem->replacement));
2638                                 }
2639                                 else
2640                                         Con_Printf("Mod_LoadSkinFiles: parsing error in file \"%s_%i.skin\" on line #%i: wrong number of parameters to command \"%s\", see documentation in DP_GFX_SKINFILES extension in dpextensions.qc\n", loadmodel->name, i, line, word[0]);
2641                         }
2642                         else if (words >= 2 && !strncmp(word[0], "tag_", 4))
2643                         {
2644                                 // tag name, like "tag_weapon,"
2645                                 // not used for anything (not even in Quake3)
2646                         }
2647                         else if (words >= 2 && !strcmp(word[1], ","))
2648                         {
2649                                 // mesh shader name, like "U_RArm,models/players/Legoman/BikerA1.tga"
2650                                 if (developer_loading.integer)
2651                                         Con_Printf("Mod_LoadSkinFiles: parsed mesh \"%s\" shader replacement \"%s\"\n", word[0], word[2]);
2652                                 skinfileitem = (skinfileitem_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfileitem_t));
2653                                 skinfileitem->next = skinfile->items;
2654                                 skinfile->items = skinfileitem;
2655                                 strlcpy (skinfileitem->name, word[0], sizeof (skinfileitem->name));
2656                                 strlcpy (skinfileitem->replacement, word[2], sizeof (skinfileitem->replacement));
2657                         }
2658                         else
2659                                 Con_Printf("Mod_LoadSkinFiles: parsing error in file \"%s_%i.skin\" on line #%i: does not look like tag or mesh specification, or replace command, see documentation in DP_GFX_SKINFILES extension in dpextensions.qc\n", loadmodel->name, i, line);
2660                 }
2661                 Mem_Free(text);
2662         }
2663         if (i)
2664                 loadmodel->numskins = i;
2665         return first;
2666 }
2667
2668 void Mod_FreeSkinFiles(skinfile_t *skinfile)
2669 {
2670         skinfile_t *next;
2671         skinfileitem_t *skinfileitem, *nextitem;
2672         for (;skinfile;skinfile = next)
2673         {
2674                 next = skinfile->next;
2675                 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = nextitem)
2676                 {
2677                         nextitem = skinfileitem->next;
2678                         Mem_Free(skinfileitem);
2679                 }
2680                 Mem_Free(skinfile);
2681         }
2682 }
2683
2684 int Mod_CountSkinFiles(skinfile_t *skinfile)
2685 {
2686         int i;
2687         for (i = 0;skinfile;skinfile = skinfile->next, i++);
2688         return i;
2689 }
2690
2691 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap)
2692 {
2693         int i;
2694         double isnap = 1.0 / snap;
2695         for (i = 0;i < numvertices*numcomponents;i++)
2696                 vertices[i] = floor(vertices[i]*isnap)*snap;
2697 }
2698
2699 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f)
2700 {
2701         int i, outtriangles;
2702         float edgedir1[3], edgedir2[3], temp[3];
2703         // a degenerate triangle is one with no width (thickness, surface area)
2704         // these are characterized by having all 3 points colinear (along a line)
2705         // or having two points identical
2706         // the simplest check is to calculate the triangle's area
2707         for (i = 0, outtriangles = 0;i < numtriangles;i++, inelement3i += 3)
2708         {
2709                 // calculate first edge
2710                 VectorSubtract(vertex3f + inelement3i[1] * 3, vertex3f + inelement3i[0] * 3, edgedir1);
2711                 VectorSubtract(vertex3f + inelement3i[2] * 3, vertex3f + inelement3i[0] * 3, edgedir2);
2712                 CrossProduct(edgedir1, edgedir2, temp);
2713                 if (VectorLength2(temp) < 0.001f)
2714                         continue; // degenerate triangle (no area)
2715                 // valid triangle (has area)
2716                 VectorCopy(inelement3i, outelement3i);
2717                 outelement3i += 3;
2718                 outtriangles++;
2719         }
2720         return outtriangles;
2721 }
2722
2723 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer)
2724 {
2725         int i, e;
2726         int firstvertex, lastvertex;
2727         if (numelements > 0 && elements)
2728         {
2729                 firstvertex = lastvertex = elements[0];
2730                 for (i = 1;i < numelements;i++)
2731                 {
2732                         e = elements[i];
2733                         firstvertex = min(firstvertex, e);
2734                         lastvertex = max(lastvertex, e);
2735                 }
2736         }
2737         else
2738                 firstvertex = lastvertex = 0;
2739         if (firstvertexpointer)
2740                 *firstvertexpointer = firstvertex;
2741         if (lastvertexpointer)
2742                 *lastvertexpointer = lastvertex;
2743 }
2744
2745 void Mod_MakeSortedSurfaces(dp_model_t *mod)
2746 {
2747         // make an optimal set of texture-sorted batches to draw...
2748         int j, t;
2749         int *firstsurfacefortexture;
2750         int *numsurfacesfortexture;
2751         if (!mod->sortedmodelsurfaces)
2752                 mod->sortedmodelsurfaces = (int *) Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->sortedmodelsurfaces));
2753         firstsurfacefortexture = (int *) Mem_Alloc(tempmempool, mod->num_textures * sizeof(*firstsurfacefortexture));
2754         numsurfacesfortexture = (int *) Mem_Alloc(tempmempool, mod->num_textures * sizeof(*numsurfacesfortexture));
2755         memset(numsurfacesfortexture, 0, mod->num_textures * sizeof(*numsurfacesfortexture));
2756         for (j = 0;j < mod->nummodelsurfaces;j++)
2757         {
2758                 const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
2759                 int t = (int)(surface->texture - mod->data_textures);
2760                 numsurfacesfortexture[t]++;
2761         }
2762         j = 0;
2763         for (t = 0;t < mod->num_textures;t++)
2764         {
2765                 firstsurfacefortexture[t] = j;
2766                 j += numsurfacesfortexture[t];
2767         }
2768         for (j = 0;j < mod->nummodelsurfaces;j++)
2769         {
2770                 const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
2771                 int t = (int)(surface->texture - mod->data_textures);
2772                 mod->sortedmodelsurfaces[firstsurfacefortexture[t]++] = j + mod->firstmodelsurface;
2773         }
2774         Mem_Free(firstsurfacefortexture);
2775         Mem_Free(numsurfacesfortexture);
2776 }
2777
2778 void Mod_BuildVBOs(void)
2779 {
2780         if (!loadmodel->surfmesh.num_vertices)
2781                 return;
2782
2783         if (gl_paranoid.integer && loadmodel->surfmesh.data_element3s && loadmodel->surfmesh.data_element3i)
2784         {
2785                 int i;
2786                 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
2787                 {
2788                         if (loadmodel->surfmesh.data_element3s[i] != loadmodel->surfmesh.data_element3i[i])
2789                         {
2790                                 Con_Printf("Mod_BuildVBOs: element %u is incorrect (%u should be %u)\n", i, loadmodel->surfmesh.data_element3s[i], loadmodel->surfmesh.data_element3i[i]);
2791                                 loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
2792                         }
2793                 }
2794         }
2795
2796         // build r_vertexmesh_t array
2797         // (compressed interleaved array for D3D)
2798         if (!loadmodel->surfmesh.vertexmesh && vid.useinterleavedarrays)
2799         {
2800                 int vertexindex;
2801                 int numvertices = loadmodel->surfmesh.num_vertices;
2802                 r_vertexmesh_t *vertexmesh;
2803                 loadmodel->surfmesh.vertexmesh = vertexmesh = (r_vertexmesh_t*)Mem_Alloc(loadmodel->mempool, numvertices * sizeof(*loadmodel->surfmesh.vertexmesh));
2804                 for (vertexindex = 0;vertexindex < numvertices;vertexindex++, vertexmesh++)
2805                 {
2806                         VectorCopy(loadmodel->surfmesh.data_vertex3f + 3*vertexindex, vertexmesh->vertex3f);
2807                         VectorScale(loadmodel->surfmesh.data_svector3f + 3*vertexindex, 1.0f, vertexmesh->svector3f);
2808                         VectorScale(loadmodel->surfmesh.data_tvector3f + 3*vertexindex, 1.0f, vertexmesh->tvector3f);
2809                         VectorScale(loadmodel->surfmesh.data_normal3f + 3*vertexindex, 1.0f, vertexmesh->normal3f);
2810                         if (loadmodel->surfmesh.data_lightmapcolor4f)
2811                                 Vector4Copy(loadmodel->surfmesh.data_lightmapcolor4f + 4*vertexindex, vertexmesh->color4f);
2812                         Vector2Copy(loadmodel->surfmesh.data_texcoordtexture2f + 2*vertexindex, vertexmesh->texcoordtexture2f);
2813                         if (loadmodel->surfmesh.data_texcoordlightmap2f)
2814                                 Vector2Scale(loadmodel->surfmesh.data_texcoordlightmap2f + 2*vertexindex, 1.0f, vertexmesh->texcoordlightmap2f);
2815                 }
2816         }
2817
2818         // upload r_vertexmesh_t array as a buffer
2819         if (loadmodel->surfmesh.vertexmesh && !loadmodel->surfmesh.vertexmeshbuffer)
2820                 loadmodel->surfmesh.vertexmeshbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.vertexmesh, loadmodel->surfmesh.num_vertices * sizeof(*loadmodel->surfmesh.vertexmesh), loadmodel->name, false, false, false);
2821
2822         // upload vertex3f array as a buffer
2823         if (loadmodel->surfmesh.data_vertex3f && !loadmodel->surfmesh.vertex3fbuffer)
2824                 loadmodel->surfmesh.vertex3fbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.num_vertices * sizeof(float[3]), loadmodel->name, false, false, false);
2825
2826         // upload short indices as a buffer
2827         if (loadmodel->surfmesh.data_element3s && !loadmodel->surfmesh.data_element3s_indexbuffer)
2828                 loadmodel->surfmesh.data_element3s_indexbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_element3s, loadmodel->surfmesh.num_triangles * sizeof(short[3]), loadmodel->name, true, false, true);
2829
2830         // upload int indices as a buffer
2831         if (loadmodel->surfmesh.data_element3i && !loadmodel->surfmesh.data_element3i_indexbuffer && !loadmodel->surfmesh.data_element3s)
2832                 loadmodel->surfmesh.data_element3i_indexbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles * sizeof(int[3]), loadmodel->name, true, false, false);
2833
2834         // only build a vbo if one has not already been created (this is important for brush models which load specially)
2835         // vertex buffer is several arrays and we put them in the same buffer
2836         //
2837         // is this wise?  the texcoordtexture2f array is used with dynamic
2838         // vertex/svector/tvector/normal when rendering animated models, on the
2839         // other hand animated models don't use a lot of vertices anyway...
2840         if (!loadmodel->surfmesh.vbo_vertexbuffer && !vid.useinterleavedarrays)
2841         {
2842                 size_t size;
2843                 unsigned char *mem;
2844                 size = 0;
2845                 loadmodel->surfmesh.vbooffset_vertex3f           = size;if (loadmodel->surfmesh.data_vertex3f          ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2846                 loadmodel->surfmesh.vbooffset_svector3f          = size;if (loadmodel->surfmesh.data_svector3f         ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2847                 loadmodel->surfmesh.vbooffset_tvector3f          = size;if (loadmodel->surfmesh.data_tvector3f         ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2848                 loadmodel->surfmesh.vbooffset_normal3f           = size;if (loadmodel->surfmesh.data_normal3f          ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2849                 loadmodel->surfmesh.vbooffset_texcoordtexture2f  = size;if (loadmodel->surfmesh.data_texcoordtexture2f ) size += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
2850                 loadmodel->surfmesh.vbooffset_texcoordlightmap2f = size;if (loadmodel->surfmesh.data_texcoordlightmap2f) size += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
2851                 loadmodel->surfmesh.vbooffset_lightmapcolor4f    = size;if (loadmodel->surfmesh.data_lightmapcolor4f   ) size += loadmodel->surfmesh.num_vertices * sizeof(float[4]);
2852                 mem = (unsigned char *)Mem_Alloc(tempmempool, size);
2853                 if (loadmodel->surfmesh.data_vertex3f          ) memcpy(mem + loadmodel->surfmesh.vbooffset_vertex3f          , loadmodel->surfmesh.data_vertex3f          , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2854                 if (loadmodel->surfmesh.data_svector3f         ) memcpy(mem + loadmodel->surfmesh.vbooffset_svector3f         , loadmodel->surfmesh.data_svector3f         , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2855                 if (loadmodel->surfmesh.data_tvector3f         ) memcpy(mem + loadmodel->surfmesh.vbooffset_tvector3f         , loadmodel->surfmesh.data_tvector3f         , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2856                 if (loadmodel->surfmesh.data_normal3f          ) memcpy(mem + loadmodel->surfmesh.vbooffset_normal3f          , loadmodel->surfmesh.data_normal3f          , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2857                 if (loadmodel->surfmesh.data_texcoordtexture2f ) memcpy(mem + loadmodel->surfmesh.vbooffset_texcoordtexture2f , loadmodel->surfmesh.data_texcoordtexture2f , loadmodel->surfmesh.num_vertices * sizeof(float[2]));
2858                 if (loadmodel->surfmesh.data_texcoordlightmap2f) memcpy(mem + loadmodel->surfmesh.vbooffset_texcoordlightmap2f, loadmodel->surfmesh.data_texcoordlightmap2f, loadmodel->surfmesh.num_vertices * sizeof(float[2]));
2859                 if (loadmodel->surfmesh.data_lightmapcolor4f   ) memcpy(mem + loadmodel->surfmesh.vbooffset_lightmapcolor4f   , loadmodel->surfmesh.data_lightmapcolor4f   , loadmodel->surfmesh.num_vertices * sizeof(float[4]));
2860                 loadmodel->surfmesh.vbo_vertexbuffer = R_Mesh_CreateMeshBuffer(mem, size, loadmodel->name, false, false, false);
2861                 Mem_Free(mem);
2862         }
2863 }
2864
2865 static void Mod_Decompile_OBJ(dp_model_t *model, const char *filename, const char *mtlfilename, const char *originalfilename)
2866 {
2867         int submodelindex, vertexindex, surfaceindex, triangleindex, textureindex, countvertices = 0, countsurfaces = 0, countfaces = 0, counttextures = 0;
2868         int a, b, c;
2869         const char *texname;
2870         const int *e;
2871         const float *v, *vn, *vt;
2872         size_t l;
2873         size_t outbufferpos = 0;
2874         size_t outbuffermax = 0x100000;
2875         char *outbuffer = (char *) Z_Malloc(outbuffermax), *oldbuffer;
2876         const msurface_t *surface;
2877         const int maxtextures = 256;
2878         char *texturenames = (char *) Z_Malloc(maxtextures * MAX_QPATH);
2879         dp_model_t *submodel;
2880
2881         // construct the mtllib file
2882         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "# mtllib for %s exported by darkplaces engine\n", originalfilename);
2883         if (l > 0)
2884                 outbufferpos += l;
2885         for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->num_surfaces;surfaceindex++, surface++)
2886         {
2887                 countsurfaces++;
2888                 countvertices += surface->num_vertices;
2889                 countfaces += surface->num_triangles;
2890                 texname = (surface->texture && surface->texture->name[0]) ? surface->texture->name : "default";
2891                 for (textureindex = 0;textureindex < counttextures;textureindex++)
2892                         if (!strcmp(texturenames + textureindex * MAX_QPATH, texname))
2893                                 break;
2894                 if (textureindex < counttextures)
2895                         continue; // already wrote this material entry
2896                 if (textureindex >= maxtextures)
2897                         continue; // just a precaution
2898                 textureindex = counttextures++;
2899                 strlcpy(texturenames + textureindex * MAX_QPATH, texname, MAX_QPATH);
2900                 if (outbufferpos >= outbuffermax >> 1)
2901                 {
2902                         outbuffermax *= 2;
2903                         oldbuffer = outbuffer;
2904                         outbuffer = (char *) Z_Malloc(outbuffermax);
2905                         memcpy(outbuffer, oldbuffer, outbufferpos);
2906                         Z_Free(oldbuffer);
2907                 }
2908                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "newmtl %s\nNs 96.078431\nKa 0 0 0\nKd 0.64 0.64 0.64\nKs 0.5 0.5 0.5\nNi 1\nd 1\nillum 2\nmap_Kd %s%s\n\n", texname, texname, strstr(texname, ".tga") ? "" : ".tga");
2909                 if (l > 0)
2910                         outbufferpos += l;
2911         }
2912
2913         // write the mtllib file
2914         FS_WriteFile(mtlfilename, outbuffer, outbufferpos);
2915
2916         // construct the obj file
2917         outbufferpos = 0;
2918         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "# model exported from %s by darkplaces engine\n# %i vertices, %i faces, %i surfaces\nmtllib %s\n", originalfilename, countvertices, countfaces, countsurfaces, mtlfilename);
2919         if (l > 0)
2920                 outbufferpos += l;
2921
2922         for (vertexindex = 0, v = model->surfmesh.data_vertex3f, vn = model->surfmesh.data_normal3f, vt = model->surfmesh.data_texcoordtexture2f;vertexindex < model->surfmesh.num_vertices;vertexindex++, v += 3, vn += 3, vt += 2)
2923         {
2924                 if (outbufferpos >= outbuffermax >> 1)
2925                 {
2926                         outbuffermax *= 2;
2927                         oldbuffer = outbuffer;
2928                         outbuffer = (char *) Z_Malloc(outbuffermax);
2929                         memcpy(outbuffer, oldbuffer, outbufferpos);
2930                         Z_Free(oldbuffer);
2931                 }
2932                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "v %f %f %f\nvn %f %f %f\nvt %f %f\n", v[0], v[2], v[1], vn[0], vn[2], vn[1], vt[0], 1-vt[1]);
2933                 if (l > 0)
2934                         outbufferpos += l;
2935         }
2936
2937         for (submodelindex = 0;submodelindex < max(1, model->brush.numsubmodels);submodelindex++)
2938         {
2939                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "o %i\n", submodelindex);
2940                 if (l > 0)
2941                         outbufferpos += l;
2942                 submodel = model->brush.numsubmodels ? model->brush.submodels[submodelindex] : model;
2943                 for (surfaceindex = 0;surfaceindex < submodel->nummodelsurfaces;surfaceindex++)
2944                 {
2945                         surface = model->data_surfaces + submodel->sortedmodelsurfaces[surfaceindex];
2946                         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "usemtl %s\n", (surface->texture && surface->texture->name[0]) ? surface->texture->name : "default");
2947                         if (l > 0)
2948                                 outbufferpos += l;
2949                         for (triangleindex = 0, e = model->surfmesh.data_element3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
2950                         {
2951                                 if (outbufferpos >= outbuffermax >> 1)
2952                                 {
2953                                         outbuffermax *= 2;
2954                                         oldbuffer = outbuffer;
2955                                         outbuffer = (char *) Z_Malloc(outbuffermax);
2956                                         memcpy(outbuffer, oldbuffer, outbufferpos);
2957                                         Z_Free(oldbuffer);
2958                                 }
2959                                 a = e[0]+1;
2960                                 b = e[1]+1;
2961                                 c = e[2]+1;
2962                                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "f %i/%i/%i %i/%i/%i %i/%i/%i\n", a,a,a,b,b,b,c,c,c);
2963                                 if (l > 0)
2964                                         outbufferpos += l;
2965                         }
2966                 }
2967         }
2968
2969         // write the obj file
2970         FS_WriteFile(filename, outbuffer, outbufferpos);
2971
2972         // clean up
2973         Z_Free(outbuffer);
2974         Z_Free(texturenames);
2975
2976         // print some stats
2977         Con_Printf("Wrote %s (%i bytes, %i vertices, %i faces, %i surfaces with %i distinct textures)\n", filename, (int)outbufferpos, countvertices, countfaces, countsurfaces, counttextures);
2978 }
2979
2980 static void Mod_Decompile_SMD(dp_model_t *model, const char *filename, int firstpose, int numposes, qboolean writetriangles)
2981 {
2982         int countnodes = 0, counttriangles = 0, countframes = 0;
2983         int surfaceindex;
2984         int triangleindex;
2985         int transformindex;
2986         int poseindex;
2987         int cornerindex;
2988         const int *e;
2989         size_t l;
2990         size_t outbufferpos = 0;
2991         size_t outbuffermax = 0x100000;
2992         char *outbuffer = (char *) Z_Malloc(outbuffermax), *oldbuffer;
2993         const msurface_t *surface;
2994         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "version 1\nnodes\n");
2995         if (l > 0)
2996                 outbufferpos += l;
2997         for (transformindex = 0;transformindex < model->num_bones;transformindex++)
2998         {
2999                 if (outbufferpos >= outbuffermax >> 1)
3000                 {
3001                         outbuffermax *= 2;
3002                         oldbuffer = outbuffer;
3003                         outbuffer = (char *) Z_Malloc(outbuffermax);
3004                         memcpy(outbuffer, oldbuffer, outbufferpos);
3005                         Z_Free(oldbuffer);
3006                 }
3007                 countnodes++;
3008                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i \"%s\" %3i\n", transformindex, model->data_bones[transformindex].name, model->data_bones[transformindex].parent);
3009                 if (l > 0)
3010                         outbufferpos += l;
3011         }
3012         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\nskeleton\n");
3013         if (l > 0)
3014                 outbufferpos += l;
3015         for (poseindex = 0;poseindex < numposes;poseindex++)
3016         {
3017                 countframes++;
3018                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "time %i\n", poseindex);
3019                 if (l > 0)
3020                         outbufferpos += l;
3021                 for (transformindex = 0;transformindex < model->num_bones;transformindex++)
3022                 {
3023                         float angles[3];
3024                         float mtest[4][3];
3025                         matrix4x4_t posematrix;
3026                         if (outbufferpos >= outbuffermax >> 1)
3027                         {
3028                                 outbuffermax *= 2;
3029                                 oldbuffer = outbuffer;
3030                                 outbuffer = (char *) Z_Malloc(outbuffermax);
3031                                 memcpy(outbuffer, oldbuffer, outbufferpos);
3032                                 Z_Free(oldbuffer);
3033                         }
3034
3035                         // strangely the smd angles are for a transposed matrix, so we
3036                         // have to generate a transposed matrix, then convert that...
3037                         Matrix4x4_FromBonePose6s(&posematrix, model->num_posescale, model->data_poses6s + 6*(model->num_bones * poseindex + transformindex));
3038                         Matrix4x4_ToArray12FloatGL(&posematrix, mtest[0]);
3039                         AnglesFromVectors(angles, mtest[0], mtest[2], false);
3040                         if (angles[0] >= 180) angles[0] -= 360;
3041                         if (angles[1] >= 180) angles[1] -= 360;
3042                         if (angles[2] >= 180) angles[2] -= 360;
3043
3044 #if 0
3045 {
3046                         float a = DEG2RAD(angles[ROLL]);
3047                         float b = DEG2RAD(angles[PITCH]);
3048                         float c = DEG2RAD(angles[YAW]);
3049                         float cy, sy, cp, sp, cr, sr;
3050                         float test[4][3];
3051                         // smd matrix construction, for comparing
3052                         sy = sin(c);
3053                         cy = cos(c);
3054                         sp = sin(b);
3055                         cp = cos(b);
3056                         sr = sin(a);
3057                         cr = cos(a);
3058
3059                         test[0][0] = cp*cy;
3060                         test[0][1] = cp*sy;
3061                         test[0][2] = -sp;
3062                         test[1][0] = sr*sp*cy+cr*-sy;
3063                         test[1][1] = sr*sp*sy+cr*cy;
3064                         test[1][2] = sr*cp;
3065                         test[2][0] = (cr*sp*cy+-sr*-sy);
3066                         test[2][1] = (cr*sp*sy+-sr*cy);
3067                         test[2][2] = cr*cp;
3068                         test[3][0] = pose[9];
3069                         test[3][1] = pose[10];
3070                         test[3][2] = pose[11];
3071 }
3072 #endif
3073                         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i %f %f %f %f %f %f\n", transformindex, mtest[3][0], mtest[3][1], mtest[3][2], DEG2RAD(angles[ROLL]), DEG2RAD(angles[PITCH]), DEG2RAD(angles[YAW]));
3074                         if (l > 0)
3075                                 outbufferpos += l;
3076                 }
3077         }
3078         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\n");
3079         if (l > 0)
3080                 outbufferpos += l;
3081         if (writetriangles)
3082         {
3083                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "triangles\n");
3084                 if (l > 0)
3085                         outbufferpos += l;
3086                 for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->num_surfaces;surfaceindex++, surface++)
3087                 {
3088                         for (triangleindex = 0, e = model->surfmesh.data_element3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
3089                         {
3090                                 counttriangles++;
3091                                 if (outbufferpos >= outbuffermax >> 1)
3092                                 {
3093                                         outbuffermax *= 2;
3094                                         oldbuffer = outbuffer;
3095                                         outbuffer = (char *) Z_Malloc(outbuffermax);
3096                                         memcpy(outbuffer, oldbuffer, outbufferpos);
3097                                         Z_Free(oldbuffer);
3098                                 }
3099                                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%s\n", surface->texture && surface->texture->name[0] ? surface->texture->name : "default.bmp");
3100                                 if (l > 0)
3101                                         outbufferpos += l;
3102                                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
3103                                 {
3104                                         const int index = e[2-cornerindex];
3105                                         const float *v = model->surfmesh.data_vertex3f + index * 3;
3106                                         const float *vn = model->surfmesh.data_normal3f + index * 3;
3107                                         const float *vt = model->surfmesh.data_texcoordtexture2f + index * 2;
3108                                         const int b = model->surfmesh.blends[index];
3109                                         if (b < model->num_bones)
3110                                                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i %f %f %f %f %f %f %f %f\n"                          , b, v[0], v[1], v[2], vn[0], vn[1], vn[2], vt[0], 1 - vt[1]);
3111                                         else
3112                                         {
3113                                                 const blendweights_t *w = model->surfmesh.data_blendweights + b - model->num_bones;
3114                                                 const unsigned char *wi = w->index;
3115                                                 const unsigned char *wf = w->influence;
3116                                             if (wf[3]) l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i %f %f %f %f %f %f %f %f 4 %i %f %i %f %i %f %i %f\n", wi[0], v[0], v[1], v[2], vn[0], vn[1], vn[2], vt[0], 1 - vt[1], wi[0], wf[0]/255.0f, wi[1], wf[1]/255.0f, wi[2], wf[2]/255.0f, wi[3], wf[3]/255.0f);
3117                                                 else if (wf[2]) l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i %f %f %f %f %f %f %f %f 3 %i %f %i %f %i %f\n"      , wi[0], v[0], v[1], v[2], vn[0], vn[1], vn[2], vt[0], 1 - vt[1], wi[0], wf[0]/255.0f, wi[1], wf[1]/255.0f, wi[2], wf[2]/255.0f);
3118                                                 else if (wf[1]) l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i %f %f %f %f %f %f %f %f 2 %i %f %i %f\n"            , wi[0], v[0], v[1], v[2], vn[0], vn[1], vn[2], vt[0], 1 - vt[1], wi[0], wf[0]/255.0f, wi[1], wf[1]/255.0f);
3119                                                 else            l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i %f %f %f %f %f %f %f %f\n"                          , wi[0], v[0], v[1], v[2], vn[0], vn[1], vn[2], vt[0], 1 - vt[1]);
3120                                         }
3121                                         if (l > 0)
3122                                                 outbufferpos += l;
3123                                 }
3124                         }
3125                 }
3126                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\n");
3127                 if (l > 0)
3128                         outbufferpos += l;
3129         }
3130
3131         FS_WriteFile(filename, outbuffer, outbufferpos);
3132         Z_Free(outbuffer);
3133
3134         Con_Printf("Wrote %s (%i bytes, %i nodes, %i frames, %i triangles)\n", filename, (int)outbufferpos, countnodes, countframes, counttriangles);
3135 }
3136
3137 /*
3138 ================
3139 Mod_Decompile_f
3140
3141 decompiles a model to editable files
3142 ================
3143 */
3144 static void Mod_Decompile_f(void)
3145 {
3146         int i, j, k, l, first, count;
3147         dp_model_t *mod;
3148         char inname[MAX_QPATH];
3149         char outname[MAX_QPATH];
3150         char mtlname[MAX_QPATH];
3151         char basename[MAX_QPATH];
3152         char animname[MAX_QPATH];
3153         char animname2[MAX_QPATH];
3154         char zymtextbuffer[16384];
3155         char dpmtextbuffer[16384];
3156         char framegroupstextbuffer[16384];
3157         int zymtextsize = 0;
3158         int dpmtextsize = 0;
3159         int framegroupstextsize = 0;
3160
3161         if (Cmd_Argc() != 2)
3162         {
3163                 Con_Print("usage: modeldecompile <filename>\n");
3164                 return;
3165         }
3166
3167         strlcpy(inname, Cmd_Argv(1), sizeof(inname));
3168         FS_StripExtension(inname, basename, sizeof(basename));
3169
3170         mod = Mod_ForName(inname, false, true, inname[0] == '*' ? cl.model_name[1] : NULL);
3171         if (mod->brush.submodel)
3172         {
3173                 // if we're decompiling a submodel, be sure to give it a proper name based on its parent
3174                 FS_StripExtension(cl.model_name[1], outname, sizeof(outname));
3175                 dpsnprintf(basename, sizeof(basename), "%s/%s", outname, mod->name);
3176                 outname[0] = 0;
3177         }
3178         if (!mod)
3179         {
3180                 Con_Print("No such model\n");
3181                 return;
3182         }
3183         if (!mod->surfmesh.num_triangles)
3184         {
3185                 Con_Print("Empty model (or sprite)\n");
3186                 return;
3187         }
3188
3189         // export OBJ if possible (not on sprites)
3190         if (mod->surfmesh.num_triangles)
3191         {
3192                 dpsnprintf(outname, sizeof(outname), "%s_decompiled.obj", basename);
3193                 dpsnprintf(mtlname, sizeof(mtlname), "%s_decompiled.mtl", basename);
3194                 Mod_Decompile_OBJ(mod, outname, mtlname, inname);
3195         }
3196
3197         // export SMD if possible (only for skeletal models)
3198         if (mod->surfmesh.num_triangles && mod->num_bones)
3199         {
3200                 dpsnprintf(outname, sizeof(outname), "%s_decompiled/ref1.smd", basename);
3201                 Mod_Decompile_SMD(mod, outname, 0, 1, true);
3202                 l = dpsnprintf(zymtextbuffer + zymtextsize, sizeof(zymtextbuffer) - zymtextsize, "output out.zym\nscale 1\norigin 0 0 0\nmesh ref1.smd\n");
3203                 if (l > 0) zymtextsize += l;
3204                 l = dpsnprintf(dpmtextbuffer + dpmtextsize, sizeof(dpmtextbuffer) - dpmtextsize, "outputdir .\nmodel out\nscale 1\norigin 0 0 0\nscene ref1.smd\n");
3205                 if (l > 0) dpmtextsize += l;
3206                 for (i = 0;i < mod->numframes;i = j)
3207                 {
3208                         strlcpy(animname, mod->animscenes[i].name, sizeof(animname));
3209                         first = mod->animscenes[i].firstframe;
3210                         if (mod->animscenes[i].framecount > 1)
3211                         {
3212                                 // framegroup anim
3213                                 count = mod->animscenes[i].framecount;
3214                                 j = i + 1;
3215                         }
3216                         else
3217                         {
3218                                 // individual frame
3219                                 // check for additional frames with same name
3220                                 for (l = 0, k = strlen(animname);animname[l];l++)
3221                                         if(animname[l] < '0' || animname[l] > '9')
3222                                                 k = l + 1;
3223                                 if(k > 0 && animname[k-1] == '_')
3224                                         --k;
3225                                 animname[k] = 0;
3226                                 count = mod->num_poses - first;
3227                                 for (j = i + 1;j < mod->numframes;j++)
3228                                 {
3229                                         strlcpy(animname2, mod->animscenes[j].name, sizeof(animname2));
3230                                         for (l = 0, k = strlen(animname2);animname2[l];l++)
3231                                                 if(animname2[l] < '0' || animname2[l] > '9')
3232                                                         k = l + 1;
3233                                         if(k > 0 && animname[k-1] == '_')
3234                                                 --k;
3235                                         animname2[k] = 0;
3236                                         if (strcmp(animname2, animname) || mod->animscenes[j].framecount > 1)
3237                                         {
3238                                                 count = mod->animscenes[j].firstframe - first;
3239                                                 break;
3240                                         }
3241                                 }
3242                                 // if it's only one frame, use the original frame name
3243                                 if (j == i + 1)
3244                                         strlcpy(animname, mod->animscenes[i].name, sizeof(animname));
3245
3246                         }
3247                         dpsnprintf(outname, sizeof(outname), "%s_decompiled/%s.smd", basename, animname);
3248                         Mod_Decompile_SMD(mod, outname, first, count, false);
3249                         if (zymtextsize < (int)sizeof(zymtextbuffer) - 100)
3250                         {
3251                                 l = dpsnprintf(zymtextbuffer + zymtextsize, sizeof(zymtextbuffer) - zymtextsize, "scene %s.smd fps %g %s\n", animname, mod->animscenes[i].framerate, mod->animscenes[i].loop ? "" : " noloop");
3252                                 if (l > 0) zymtextsize += l;
3253                         }
3254                         if (dpmtextsize < (int)sizeof(dpmtextbuffer) - 100)
3255                         {
3256                                 l = dpsnprintf(dpmtextbuffer + dpmtextsize, sizeof(dpmtextbuffer) - dpmtextsize, "scene %s.smd fps %g %s\n", animname, mod->animscenes[i].framerate, mod->animscenes[i].loop ? "" : " noloop");
3257                                 if (l > 0) dpmtextsize += l;
3258                         }
3259                         if (framegroupstextsize < (int)sizeof(framegroupstextbuffer) - 100)
3260                         {
3261                                 l = dpsnprintf(framegroupstextbuffer + framegroupstextsize, sizeof(framegroupstextbuffer) - framegroupstextsize, "%d %d %f %d // %s\n", first, count, mod->animscenes[i].framerate, mod->animscenes[i].loop, animname);
3262                                 if (l > 0) framegroupstextsize += l;
3263                         }
3264                 }
3265                 if (zymtextsize)
3266                         FS_WriteFile(va("%s_decompiled/out_zym.txt", basename), zymtextbuffer, (fs_offset_t)zymtextsize);
3267                 if (dpmtextsize)
3268                         FS_WriteFile(va("%s_decompiled/out_dpm.txt", basename), dpmtextbuffer, (fs_offset_t)dpmtextsize);
3269                 if (framegroupstextsize)
3270                         FS_WriteFile(va("%s_decompiled.framegroups", basename), framegroupstextbuffer, (fs_offset_t)framegroupstextsize);
3271         }
3272 }
3273
3274 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height)
3275 {
3276         int y;
3277         memset(state, 0, sizeof(*state));
3278         state->width = width;
3279         state->height = height;
3280         state->currentY = 0;
3281         state->rows = (mod_alloclightmap_row_t *)Mem_Alloc(loadmodel->mempool, state->height * sizeof(*state->rows));
3282         for (y = 0;y < state->height;y++)
3283         {
3284                 state->rows[y].currentX = 0;
3285                 state->rows[y].rowY = -1;
3286         }
3287 }
3288
3289 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state)
3290 {
3291         int y;
3292         state->currentY = 0;
3293         for (y = 0;y < state->height;y++)
3294         {
3295                 state->rows[y].currentX = 0;
3296                 state->rows[y].rowY = -1;
3297         }
3298 }
3299
3300 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state)
3301 {
3302         if (state->rows)
3303                 Mem_Free(state->rows);
3304         memset(state, 0, sizeof(*state));
3305 }
3306
3307 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy)
3308 {
3309         mod_alloclightmap_row_t *row;
3310         int y;
3311
3312         row = state->rows + blockheight;
3313         if ((row->rowY < 0) || (row->currentX + blockwidth > state->width))
3314         {
3315                 if (state->currentY + blockheight <= state->height)
3316                 {
3317                         // use the current allocation position
3318                         row->rowY = state->currentY;
3319                         row->currentX = 0;
3320                         state->currentY += blockheight;
3321                 }
3322                 else
3323                 {
3324                         // find another position
3325                         for (y = blockheight;y < state->height;y++)
3326                         {
3327                                 if ((state->rows[y].rowY >= 0) && (state->rows[y].currentX + blockwidth <= state->width))
3328                                 {
3329                                         row = state->rows + y;
3330                                         break;
3331                                 }
3332                         }
3333                         if (y == state->height)
3334                                 return false;
3335                 }
3336         }
3337         *outy = row->rowY;
3338         *outx = row->currentX;
3339         row->currentX += blockwidth;
3340
3341         return true;
3342 }
3343
3344 typedef struct lightmapsample_s
3345 {
3346         float pos[3];
3347         float sh1[4][3];
3348         float *vertex_color;
3349         unsigned char *lm_bgr;
3350         unsigned char *lm_dir;
3351 }
3352 lightmapsample_t;
3353
3354 typedef struct lightmapvertex_s
3355 {
3356         int index;
3357         float pos[3];
3358         float normal[3];
3359         float texcoordbase[2];
3360         float texcoordlightmap[2];
3361         float lightcolor[4];
3362 }
3363 lightmapvertex_t;
3364
3365 typedef struct lightmaptriangle_s
3366 {
3367         int triangleindex;
3368         int surfaceindex;
3369         int lightmapindex;
3370         int axis;
3371         int lmoffset[2];
3372         int lmsize[2];
3373         // 2D modelspace coordinates of min corner
3374         // snapped to lightmap grid but not in grid coordinates
3375         float lmbase[2];
3376         // 2D modelspace to lightmap coordinate scale
3377         float lmscale[2];
3378         float vertex[3][3];
3379         float mins[3];
3380         float maxs[3];
3381 }
3382 lightmaptriangle_t;
3383
3384 typedef struct lightmaplight_s
3385 {
3386         float origin[3];
3387         float radius;
3388         float iradius;
3389         float radius2;
3390         float color[3];
3391         svbsp_t svbsp;
3392 }
3393 lightmaplight_t;
3394
3395 lightmaptriangle_t *mod_generatelightmaps_lightmaptriangles;
3396
3397 #define MAX_LIGHTMAPSAMPLES 64
3398 static int mod_generatelightmaps_numoffsets[3];
3399 static float mod_generatelightmaps_offsets[3][MAX_LIGHTMAPSAMPLES][3];
3400
3401 static int mod_generatelightmaps_numlights;
3402 static lightmaplight_t *mod_generatelightmaps_lightinfo;
3403
3404 extern int R_Shadow_GetRTLightInfo(unsigned int lightindex, float *origin, float *radius, float *color);
3405 extern cvar_t r_shadow_lightattenuationdividebias;
3406 extern cvar_t r_shadow_lightattenuationlinearscale;
3407
3408 static void Mod_GenerateLightmaps_LightPoint(dp_model_t *model, const vec3_t pos, vec3_t ambient, vec3_t diffuse, vec3_t lightdir)
3409 {
3410         int i;
3411         int index;
3412         int result;
3413         float relativepoint[3];
3414         float color[3];
3415         float dir[3];
3416         float dist;
3417         float dist2;
3418         float intensity;
3419         float sample[5*3];
3420         float lightorigin[3];
3421         float lightradius;
3422         float lightradius2;
3423         float lightiradius;
3424         float lightcolor[3];
3425         trace_t trace;
3426         for (i = 0;i < 5*3;i++)
3427                 sample[i] = 0.0f;
3428         for (index = 0;;index++)
3429         {
3430                 result = R_Shadow_GetRTLightInfo(index, lightorigin, &lightradius, lightcolor);
3431                 if (result < 0)
3432                         break;
3433                 if (result == 0)
3434                         continue;
3435                 lightradius2 = lightradius * lightradius;
3436                 VectorSubtract(lightorigin, pos, relativepoint);
3437                 dist2 = VectorLength2(relativepoint);
3438                 if (dist2 >= lightradius2)
3439                         continue;
3440                 lightiradius = 1.0f / lightradius;
3441                 dist = sqrt(dist2) * lightiradius;
3442                 intensity = (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist);
3443                 if (intensity <= 0.0f)
3444                         continue;
3445                 if (model && model->TraceLine)
3446                 {
3447                         model->TraceLine(model, NULL, NULL, &trace, pos, lightorigin, SUPERCONTENTS_VISBLOCKERMASK);
3448                         if (trace.fraction < 1)
3449                                 continue;
3450                 }
3451                 // scale down intensity to add to both ambient and diffuse
3452                 //intensity *= 0.5f;
3453                 VectorNormalize(relativepoint);
3454                 VectorScale(lightcolor, intensity, color);
3455                 VectorMA(sample    , 0.5f            , color, sample    );
3456                 VectorMA(sample + 3, relativepoint[0], color, sample + 3);
3457                 VectorMA(sample + 6, relativepoint[1], color, sample + 6);
3458                 VectorMA(sample + 9, relativepoint[2], color, sample + 9);
3459                 // calculate a weighted average light direction as well
3460                 intensity *= VectorLength(color);
3461                 VectorMA(sample + 12, intensity, relativepoint, sample + 12);
3462         }
3463         // calculate the direction we'll use to reduce the sample to a directional light source
3464         VectorCopy(sample + 12, dir);
3465         //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
3466         VectorNormalize(dir);
3467         // extract the diffuse color along the chosen direction and scale it
3468         diffuse[0] = (dir[0]*sample[3] + dir[1]*sample[6] + dir[2]*sample[ 9] + sample[ 0]);
3469         diffuse[1] = (dir[0]*sample[4] + dir[1]*sample[7] + dir[2]*sample[10] + sample[ 1]);
3470         diffuse[2] = (dir[0]*sample[5] + dir[1]*sample[8] + dir[2]*sample[11] + sample[ 2]);
3471         // subtract some of diffuse from ambient
3472         VectorMA(sample, -0.333f, diffuse, ambient);
3473         // store the normalized lightdir
3474         VectorCopy(dir, lightdir);
3475 }
3476
3477 static void Mod_GenerateLightmaps_CreateLights_ComputeSVBSP_InsertSurfaces(const dp_model_t *model, svbsp_t *svbsp, const float *mins, const float *maxs)
3478 {
3479         int surfaceindex;
3480         int triangleindex;
3481         const msurface_t *surface;
3482         const float *vertex3f = model->surfmesh.data_vertex3f;
3483         const int *element3i = model->surfmesh.data_element3i;
3484         const int *e;
3485         float v2[3][3];
3486         for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->nummodelsurfaces;surfaceindex++, surface++)
3487         {
3488                 if (!BoxesOverlap(surface->mins, surface->maxs, mins, maxs))
3489                         continue;
3490                 if (surface->texture->basematerialflags & MATERIALFLAG_NOSHADOW)
3491                         continue;
3492                 for (triangleindex = 0, e = element3i + 3*surface->num_firsttriangle;triangleindex < surface->num_triangles;triangleindex++, e += 3)
3493                 {
3494                         VectorCopy(vertex3f + 3*e[0], v2[0]);
3495                         VectorCopy(vertex3f + 3*e[1], v2[1]);
3496                         VectorCopy(vertex3f + 3*e[2], v2[2]);
3497                         SVBSP_AddPolygon(svbsp, 3, v2[0], true, NULL, NULL, 0);
3498                 }
3499         }
3500 }
3501
3502 static void Mod_GenerateLightmaps_CreateLights_ComputeSVBSP(dp_model_t *model, lightmaplight_t *lightinfo)
3503 {
3504         int maxnodes = 1<<14;
3505         svbsp_node_t *nodes;
3506         float origin[3];
3507         float mins[3];
3508         float maxs[3];
3509         svbsp_t svbsp;
3510         VectorSet(mins, lightinfo->origin[0] - lightinfo->radius, lightinfo->origin[1] - lightinfo->radius, lightinfo->origin[2] - lightinfo->radius);
3511         VectorSet(maxs, lightinfo->origin[0] + lightinfo->radius, lightinfo->origin[1] + lightinfo->radius, lightinfo->origin[2] + lightinfo->radius);
3512         VectorCopy(lightinfo->origin, origin);
3513         nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, maxnodes * sizeof(*nodes));
3514         for (;;)
3515         {
3516                 SVBSP_Init(&svbsp, origin, maxnodes, nodes);
3517                 Mod_GenerateLightmaps_CreateLights_ComputeSVBSP_InsertSurfaces(model, &svbsp, mins, maxs);
3518                 if (svbsp.ranoutofnodes)
3519                 {
3520                         maxnodes *= 16;
3521                         if (maxnodes > 1<<22)
3522                         {
3523                                 Mem_Free(nodes);
3524                                 return;
3525                         }
3526                         Mem_Free(nodes);
3527                         nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, maxnodes * sizeof(*nodes));
3528                 }
3529                 else
3530                         break;
3531         }
3532         if (svbsp.numnodes > 0)
3533         {
3534                 svbsp.nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, svbsp.numnodes * sizeof(*nodes));
3535                 memcpy(svbsp.nodes, nodes, svbsp.numnodes * sizeof(*nodes));
3536                 lightinfo->svbsp = svbsp;
3537         }
3538         Mem_Free(nodes);
3539 }
3540
3541 static void Mod_GenerateLightmaps_CreateLights(dp_model_t *model)
3542 {
3543         int index;
3544         int result;
3545         lightmaplight_t *lightinfo;
3546         float origin[3];
3547         float radius;
3548         float color[3];
3549         mod_generatelightmaps_numlights = 0;
3550         for (index = 0;;index++)
3551         {
3552                 result = R_Shadow_GetRTLightInfo(index, origin, &radius, color);
3553                 if (result < 0)
3554                         break;
3555                 if (result > 0)
3556                         mod_generatelightmaps_numlights++;
3557         }
3558         if (mod_generatelightmaps_numlights > 0)
3559         {
3560                 mod_generatelightmaps_lightinfo = (lightmaplight_t *)Mem_Alloc(tempmempool, mod_generatelightmaps_numlights * sizeof(*mod_generatelightmaps_lightinfo));
3561                 lightinfo = mod_generatelightmaps_lightinfo;
3562                 for (index = 0;;index++)
3563                 {
3564                         result = R_Shadow_GetRTLightInfo(index, lightinfo->origin, &lightinfo->radius, lightinfo->color);
3565                         if (result < 0)
3566                                 break;
3567                         if (result > 0)
3568                                 lightinfo++;
3569                 }
3570         }
3571         for (index = 0, lightinfo = mod_generatelightmaps_lightinfo;index < mod_generatelightmaps_numlights;index++, lightinfo++)
3572         {
3573                 lightinfo->iradius = 1.0f / lightinfo->radius;
3574                 lightinfo->radius2 = lightinfo->radius * lightinfo->radius;
3575                 // TODO: compute svbsp
3576                 Mod_GenerateLightmaps_CreateLights_ComputeSVBSP(model, lightinfo);
3577         }
3578 }
3579
3580 static void Mod_GenerateLightmaps_DestroyLights(dp_model_t *model)
3581 {
3582         int i;
3583         if (mod_generatelightmaps_lightinfo)
3584         {
3585                 for (i = 0;i < mod_generatelightmaps_numlights;i++)
3586                         if (mod_generatelightmaps_lightinfo[i].svbsp.nodes)
3587                                 Mem_Free(mod_generatelightmaps_lightinfo[i].svbsp.nodes);
3588                 Mem_Free(mod_generatelightmaps_lightinfo);
3589         }
3590         mod_generatelightmaps_lightinfo = NULL;
3591         mod_generatelightmaps_numlights = 0;
3592 }
3593
3594 static qboolean Mod_GenerateLightmaps_SamplePoint_SVBSP(const svbsp_t *svbsp, const float *pos)
3595 {
3596         const svbsp_node_t *node;
3597         const svbsp_node_t *nodes = svbsp->nodes;
3598         int num = 0;
3599         while (num >= 0)
3600         {
3601                 node = nodes + num;
3602                 num = node->children[DotProduct(node->plane, pos) < node->plane[3]];
3603         }
3604         return num == -1; // true if empty, false if solid (shadowed)
3605 }
3606
3607 static void Mod_GenerateLightmaps_SamplePoint(const float *pos, const float *normal, float *sample, int numoffsets, const float *offsets)
3608 {
3609         int i;
3610         float relativepoint[3];
3611         float color[3];
3612         float offsetpos[3];
3613         float dist;
3614         float dist2;
3615         float intensity;
3616         int offsetindex;
3617         int hits;
3618         int tests;
3619         const lightmaplight_t *lightinfo;
3620         trace_t trace;
3621         for (i = 0;i < 5*3;i++)
3622                 sample[i] = 0.0f;
3623         for (i = 0, lightinfo = mod_generatelightmaps_lightinfo;i < mod_generatelightmaps_numlights;i++, lightinfo++)
3624         {
3625                 //R_SampleRTLights(pos, sample, numoffsets, offsets);
3626                 VectorSubtract(lightinfo->origin, pos, relativepoint);
3627                 // don't accept light from behind a surface, it causes bad shading
3628                 if (normal && DotProduct(relativepoint, normal) <= 0)
3629                         continue;
3630                 dist2 = VectorLength2(relativepoint);
3631                 if (dist2 >= lightinfo->radius2)
3632                         continue;
3633                 dist = sqrt(dist2) * lightinfo->iradius;
3634                 intensity = dist < 1 ? ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) : 0;
3635                 if (intensity <= 0)
3636                         continue;
3637                 if (cl.worldmodel && cl.worldmodel->TraceLine && numoffsets > 0)
3638                 {
3639                         hits = 0;
3640                         tests = 1;
3641                         if (Mod_GenerateLightmaps_SamplePoint_SVBSP(&lightinfo->svbsp, pos))
3642                                 hits++;
3643                         for (offsetindex = 1;offsetindex < numoffsets;offsetindex++)
3644                         {
3645                                 VectorAdd(pos, offsets + 3*offsetindex, offsetpos);
3646                                 if (!normal)
3647                                 {
3648                                         // for light grid we'd better check visibility of the offset point
3649                                         cl.worldmodel->TraceLine(cl.worldmodel, NULL, NULL, &trace, pos, offsetpos, SUPERCONTENTS_VISBLOCKERMASK);
3650                                         if (trace.fraction < 1)
3651                                                 VectorLerp(pos, trace.fraction, offsetpos, offsetpos);
3652                                 }
3653                                 tests++;
3654                                 if (Mod_GenerateLightmaps_SamplePoint_SVBSP(&lightinfo->svbsp, offsetpos))
3655                                         hits++;
3656                         }
3657                         if (!hits)
3658                                 continue;
3659                         // scale intensity according to how many rays succeeded
3660                         // we know one test is valid, half of the rest will fail...
3661                         //if (normal && tests > 1)
3662                         //      intensity *= (tests - 1.0f) / tests;
3663                         intensity *= (float)hits / tests;
3664                 }
3665                 // scale down intensity to add to both ambient and diffuse
3666                 //intensity *= 0.5f;
3667                 VectorNormalize(relativepoint);
3668                 VectorScale(lightinfo->color, intensity, color);
3669                 VectorMA(sample    , 0.5f            , color, sample    );
3670                 VectorMA(sample + 3, relativepoint[0], color, sample + 3);
3671                 VectorMA(sample + 6, relativepoint[1], color, sample + 6);
3672                 VectorMA(sample + 9, relativepoint[2], color, sample + 9);
3673                 // calculate a weighted average light direction as well
3674                 intensity *= VectorLength(color);
3675                 VectorMA(sample + 12, intensity, relativepoint, sample + 12);
3676         }
3677 }
3678
3679 static void Mod_GenerateLightmaps_LightmapSample(const float *pos, const float *normal, unsigned char *lm_bgr, unsigned char *lm_dir)
3680 {
3681         float sample[5*3];
3682         float color[3];
3683         float dir[3];
3684         float f;
3685         Mod_GenerateLightmaps_SamplePoint(pos, normal, sample, mod_generatelightmaps_numoffsets[0], mod_generatelightmaps_offsets[0][0]);
3686         //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
3687         VectorCopy(sample + 12, dir);
3688         VectorNormalize(dir);
3689         //VectorAdd(dir, normal, dir);
3690         //VectorNormalize(dir);
3691         f = DotProduct(dir, normal);
3692         f = max(0, f) * 255.0f;
3693         VectorScale(sample, f, color);
3694         //VectorCopy(normal, dir);
3695         VectorSet(dir, (dir[0]+1.0f)*127.5f, (dir[1]+1.0f)*127.5f, (dir[2]+1.0f)*127.5f);
3696         lm_bgr[0] = (unsigned char)bound(0.0f, color[2], 255.0f);
3697         lm_bgr[1] = (unsigned char)bound(0.0f, color[1], 255.0f);
3698         lm_bgr[2] = (unsigned char)bound(0.0f, color[0], 255.0f);
3699         lm_bgr[3] = 255;
3700         lm_dir[0] = (unsigned char)dir[2];
3701         lm_dir[1] = (unsigned char)dir[1];
3702         lm_dir[2] = (unsigned char)dir[0];
3703         lm_dir[3] = 255;
3704 }
3705
3706 static void Mod_GenerateLightmaps_VertexSample(const float *pos, const float *normal, float *vertex_color)
3707 {
3708         float sample[5*3];
3709         Mod_GenerateLightmaps_SamplePoint(pos, normal, sample, mod_generatelightmaps_numoffsets[1], mod_generatelightmaps_offsets[1][0]);
3710         VectorCopy(sample, vertex_color);
3711 }
3712
3713 static void Mod_GenerateLightmaps_GridSample(const float *pos, q3dlightgrid_t *s)
3714 {
3715         float sample[5*3];
3716         float ambient[3];
3717         float diffuse[3];
3718         float dir[3];
3719         Mod_GenerateLightmaps_SamplePoint(pos, NULL, sample, mod_generatelightmaps_numoffsets[2], mod_generatelightmaps_offsets[2][0]);
3720         // calculate the direction we'll use to reduce the sample to a directional light source
3721         VectorCopy(sample + 12, dir);
3722         //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
3723         VectorNormalize(dir);
3724         // extract the diffuse color along the chosen direction and scale it
3725         diffuse[0] = (dir[0]*sample[3] + dir[1]*sample[6] + dir[2]*sample[ 9] + sample[ 0]) * 127.5f;
3726         diffuse[1] = (dir[0]*sample[4] + dir[1]*sample[7] + dir[2]*sample[10] + sample[ 1]) * 127.5f;
3727         diffuse[2] = (dir[0]*sample[5] + dir[1]*sample[8] + dir[2]*sample[11] + sample[ 2]) * 127.5f;
3728         // scale the ambient from 0-2 to 0-255 and subtract some of diffuse
3729         VectorScale(sample, 127.5f, ambient);
3730         VectorMA(ambient, -0.333f, diffuse, ambient);
3731         // encode to the grid format
3732         s->ambientrgb[0] = (unsigned char)bound(0.0f, ambient[0], 255.0f);
3733         s->ambientrgb[1] = (unsigned char)bound(0.0f, ambient[1], 255.0f);
3734         s->ambientrgb[2] = (unsigned char)bound(0.0f, ambient[2], 255.0f);
3735         s->diffusergb[0] = (unsigned char)bound(0.0f, diffuse[0], 255.0f);
3736         s->diffusergb[1] = (unsigned char)bound(0.0f, diffuse[1], 255.0f);
3737         s->diffusergb[2] = (unsigned char)bound(0.0f, diffuse[2], 255.0f);
3738         if (dir[2] >= 0.99f) {s->diffusepitch = 0;s->diffuseyaw = 0;}
3739         else if (dir[2] <= -0.99f) {s->diffusepitch = 128;s->diffuseyaw = 0;}
3740         else {s->diffusepitch = (unsigned char)(acos(dir[2]) * (127.5f/M_PI));s->diffuseyaw = (unsigned char)(atan2(dir[1], dir[0]) * (127.5f/M_PI));}
3741 }
3742
3743 static void Mod_GenerateLightmaps_InitSampleOffsets(dp_model_t *model)
3744 {
3745         float radius[3];
3746         float temp[3];
3747         int i, j;
3748         memset(mod_generatelightmaps_offsets, 0, sizeof(mod_generatelightmaps_offsets));
3749         mod_generatelightmaps_numoffsets[0] = min(MAX_LIGHTMAPSAMPLES, mod_generatelightmaps_lightmapsamples.integer);
3750         mod_generatelightmaps_numoffsets[1] = min(MAX_LIGHTMAPSAMPLES, mod_generatelightmaps_vertexsamples.integer);
3751         mod_generatelightmaps_numoffsets[2] = min(MAX_LIGHTMAPSAMPLES, mod_generatelightmaps_gridsamples.integer);
3752         radius[0] = mod_generatelightmaps_lightmapradius.value;
3753         radius[1] = mod_generatelightmaps_vertexradius.value;
3754         radius[2] = mod_generatelightmaps_gridradius.value;
3755         for (i = 0;i < 3;i++)
3756         {
3757                 for (j = 1;j < mod_generatelightmaps_numoffsets[i];j++)
3758                 {
3759                         VectorRandom(temp);
3760                         VectorScale(temp, radius[i], mod_generatelightmaps_offsets[i][j]);
3761                 }
3762         }
3763 }
3764
3765 static void Mod_GenerateLightmaps_DestroyLightmaps(dp_model_t *model)
3766 {
3767         msurface_t *surface;
3768         int surfaceindex;
3769         int i;
3770         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
3771         {
3772                 surface = model->data_surfaces + surfaceindex;
3773                 surface->lightmaptexture = NULL;
3774                 surface->deluxemaptexture = NULL;
3775         }
3776         if (model->brushq3.data_lightmaps)
3777         {
3778                 for (i = 0;i < model->brushq3.num_mergedlightmaps;i++)
3779                         if (model->brushq3.data_lightmaps[i])
3780                                 R_FreeTexture(model->brushq3.data_lightmaps[i]);
3781                 Mem_Free(model->brushq3.data_lightmaps);
3782                 model->brushq3.data_lightmaps = NULL;
3783         }
3784         if (model->brushq3.data_deluxemaps)
3785         {
3786                 for (i = 0;i < model->brushq3.num_mergedlightmaps;i++)
3787                         if (model->brushq3.data_deluxemaps[i])
3788                                 R_FreeTexture(model->brushq3.data_deluxemaps[i]);
3789                 Mem_Free(model->brushq3.data_deluxemaps);
3790                 model->brushq3.data_deluxemaps = NULL;
3791         }
3792 }
3793
3794 static void Mod_GenerateLightmaps_UnweldTriangles(dp_model_t *model)
3795 {
3796         msurface_t *surface;
3797         int surfaceindex;
3798         int vertexindex;
3799         int outvertexindex;
3800         int i;
3801         const int *e;
3802         surfmesh_t oldsurfmesh;
3803         size_t size;
3804         unsigned char *data;
3805         oldsurfmesh = model->surfmesh;
3806         model->surfmesh.num_triangles = oldsurfmesh.num_triangles;
3807         model->surfmesh.num_vertices = oldsurfmesh.num_triangles * 3;
3808         size = 0;
3809         size += model->surfmesh.num_vertices * sizeof(float[3]);
3810         size += model->surfmesh.num_vertices * sizeof(float[3]);
3811         size += model->surfmesh.num_vertices * sizeof(float[3]);
3812         size += model->surfmesh.num_vertices * sizeof(float[3]);
3813         size += model->surfmesh.num_vertices * sizeof(float[2]);
3814         size += model->surfmesh.num_vertices * sizeof(float[2]);
3815         size += model->surfmesh.num_vertices * sizeof(float[4]);
3816         data = (unsigned char *)Mem_Alloc(model->mempool, size);
3817         model->surfmesh.data_vertex3f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[3]);
3818         model->surfmesh.data_normal3f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[3]);
3819         model->surfmesh.data_svector3f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[3]);
3820         model->surfmesh.data_tvector3f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[3]);
3821         model->surfmesh.data_texcoordtexture2f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[2]);
3822         model->surfmesh.data_texcoordlightmap2f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[2]);
3823         model->surfmesh.data_lightmapcolor4f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[4]);
3824         if (model->surfmesh.num_vertices > 65536)
3825                 model->surfmesh.data_element3s = NULL;
3826
3827         if (model->surfmesh.vertexmesh)
3828                 Mem_Free(model->surfmesh.vertexmesh);
3829         model->surfmesh.vertexmesh = NULL;
3830         if (model->surfmesh.vertex3fbuffer)
3831                 R_Mesh_DestroyMeshBuffer(model->surfmesh.vertex3fbuffer);
3832         model->surfmesh.vertex3fbuffer = NULL;
3833         if (model->surfmesh.vertexmeshbuffer)
3834                 R_Mesh_DestroyMeshBuffer(model->surfmesh.vertexmeshbuffer);
3835         model->surfmesh.vertexmeshbuffer = NULL;
3836         if (model->surfmesh.data_element3i_indexbuffer)
3837                 R_Mesh_DestroyMeshBuffer(model->surfmesh.data_element3i_indexbuffer);
3838         model->surfmesh.data_element3i_indexbuffer = NULL;
3839         if (model->surfmesh.data_element3s_indexbuffer)
3840                 R_Mesh_DestroyMeshBuffer(model->surfmesh.data_element3s_indexbuffer);
3841         model->surfmesh.data_element3s_indexbuffer = NULL;
3842         if (model->surfmesh.vbo_vertexbuffer)
3843                 R_Mesh_DestroyMeshBuffer(model->surfmesh.vbo_vertexbuffer);
3844         model->surfmesh.vbo_vertexbuffer = 0;
3845
3846         // convert all triangles to unique vertex data
3847         outvertexindex = 0;
3848         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
3849         {
3850                 surface = model->data_surfaces + surfaceindex;
3851                 surface->num_firstvertex = outvertexindex;
3852                 surface->num_vertices = surface->num_triangles*3;
3853                 e = oldsurfmesh.data_element3i + surface->num_firsttriangle*3;
3854                 for (i = 0;i < surface->num_triangles*3;i++)
3855                 {
3856                         vertexindex = e[i];
3857                         model->surfmesh.data_vertex3f[outvertexindex*3+0] = oldsurfmesh.data_vertex3f[vertexindex*3+0];
3858                         model->surfmesh.data_vertex3f[outvertexindex*3+1] = oldsurfmesh.data_vertex3f[vertexindex*3+1];
3859                         model->surfmesh.data_vertex3f[outvertexindex*3+2] = oldsurfmesh.data_vertex3f[vertexindex*3+2];
3860                         model->surfmesh.data_normal3f[outvertexindex*3+0] = oldsurfmesh.data_normal3f[vertexindex*3+0];
3861                         model->surfmesh.data_normal3f[outvertexindex*3+1] = oldsurfmesh.data_normal3f[vertexindex*3+1];
3862                         model->surfmesh.data_normal3f[outvertexindex*3+2] = oldsurfmesh.data_normal3f[vertexindex*3+2];
3863                         model->surfmesh.data_svector3f[outvertexindex*3+0] = oldsurfmesh.data_svector3f[vertexindex*3+0];
3864                         model->surfmesh.data_svector3f[outvertexindex*3+1] = oldsurfmesh.data_svector3f[vertexindex*3+1];
3865                         model->surfmesh.data_svector3f[outvertexindex*3+2] = oldsurfmesh.data_svector3f[vertexindex*3+2];
3866                         model->surfmesh.data_tvector3f[outvertexindex*3+0] = oldsurfmesh.data_tvector3f[vertexindex*3+0];
3867                         model->surfmesh.data_tvector3f[outvertexindex*3+1] = oldsurfmesh.data_tvector3f[vertexindex*3+1];
3868                         model->surfmesh.data_tvector3f[outvertexindex*3+2] = oldsurfmesh.data_tvector3f[vertexindex*3+2];
3869                         model->surfmesh.data_texcoordtexture2f[outvertexindex*2+0] = oldsurfmesh.data_texcoordtexture2f[vertexindex*2+0];
3870                         model->surfmesh.data_texcoordtexture2f[outvertexindex*2+1] = oldsurfmesh.data_texcoordtexture2f[vertexindex*2+1];
3871                         if (oldsurfmesh.data_texcoordlightmap2f)
3872                         {
3873                                 model->surfmesh.data_texcoordlightmap2f[outvertexindex*2+0] = oldsurfmesh.data_texcoordlightmap2f[vertexindex*2+0];
3874                                 model->surfmesh.data_texcoordlightmap2f[outvertexindex*2+1] = oldsurfmesh.data_texcoordlightmap2f[vertexindex*2+1];
3875                         }
3876                         if (oldsurfmesh.data_lightmapcolor4f)
3877                         {
3878                                 model->surfmesh.data_lightmapcolor4f[outvertexindex*4+0] = oldsurfmesh.data_lightmapcolor4f[vertexindex*4+0];
3879                                 model->surfmesh.data_lightmapcolor4f[outvertexindex*4+1] = oldsurfmesh.data_lightmapcolor4f[vertexindex*4+1];
3880                                 model->surfmesh.data_lightmapcolor4f[outvertexindex*4+2] = oldsurfmesh.data_lightmapcolor4f[vertexindex*4+2];
3881                                 model->surfmesh.data_lightmapcolor4f[outvertexindex*4+3] = oldsurfmesh.data_lightmapcolor4f[vertexindex*4+3];
3882                         }
3883                         else
3884                                 Vector4Set(model->surfmesh.data_lightmapcolor4f + 4*outvertexindex, 1, 1, 1, 1);
3885                         model->surfmesh.data_element3i[surface->num_firsttriangle*3+i] = outvertexindex;
3886                         outvertexindex++;
3887                 }
3888         }
3889         if (model->surfmesh.data_element3s)
3890                 for (i = 0;i < model->surfmesh.num_triangles*3;i++)
3891                         model->surfmesh.data_element3s[i] = model->surfmesh.data_element3i[i];
3892
3893         // find and update all submodels to use this new surfmesh data
3894         for (i = 0;i < model->brush.numsubmodels;i++)
3895                 model->brush.submodels[i]->surfmesh = model->surfmesh;
3896 }
3897
3898 static void Mod_GenerateLightmaps_CreateTriangleInformation(dp_model_t *model)
3899 {
3900         msurface_t *surface;
3901         int surfaceindex;
3902         int i;
3903         int axis;
3904         float normal[3];
3905         const int *e;
3906         lightmaptriangle_t *triangle;
3907         // generate lightmap triangle structs
3908         mod_generatelightmaps_lightmaptriangles = (lightmaptriangle_t *)Mem_Alloc(model->mempool, model->surfmesh.num_triangles * sizeof(lightmaptriangle_t));
3909         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
3910         {
3911                 surface = model->data_surfaces + surfaceindex;
3912                 e = model->surfmesh.data_element3i + surface->num_firsttriangle*3;
3913                 for (i = 0;i < surface->num_triangles;i++)
3914                 {
3915                         triangle = &mod_generatelightmaps_lightmaptriangles[surface->num_firsttriangle+i];
3916                         triangle->triangleindex = surface->num_firsttriangle+i;
3917                         triangle->surfaceindex = surfaceindex;
3918                         VectorCopy(model->surfmesh.data_vertex3f + 3*e[i*3+0], triangle->vertex[0]);
3919                         VectorCopy(model->surfmesh.data_vertex3f + 3*e[i*3+1], triangle->vertex[1]);
3920                         VectorCopy(model->surfmesh.data_vertex3f + 3*e[i*3+2], triangle->vertex[2]);
3921                         // calculate bounds of triangle
3922                         triangle->mins[0] = min(triangle->vertex[0][0], min(triangle->vertex[1][0], triangle->vertex[2][0]));
3923                         triangle->mins[1] = min(triangle->vertex[0][1], min(triangle->vertex[1][1], triangle->vertex[2][1]));
3924                         triangle->mins[2] = min(triangle->vertex[0][2], min(triangle->vertex[1][2], triangle->vertex[2][2]));
3925                         triangle->maxs[0] = max(triangle->vertex[0][0], max(triangle->vertex[1][0], triangle->vertex[2][0]));
3926                         triangle->maxs[1] = max(triangle->vertex[0][1], max(triangle->vertex[1][1], triangle->vertex[2][1]));
3927                         triangle->maxs[2] = max(triangle->vertex[0][2], max(triangle->vertex[1][2], triangle->vertex[2][2]));
3928                         // pick an axial projection based on the triangle normal
3929                         TriangleNormal(triangle->vertex[0], triangle->vertex[1], triangle->vertex[2], normal);
3930                         axis = 0;
3931                         if (fabs(normal[1]) > fabs(normal[axis]))
3932                                 axis = 1;
3933                         if (fabs(normal[2]) > fabs(normal[axis]))
3934                                 axis = 2;
3935                         triangle->axis = axis;
3936                 }
3937         }
3938 }
3939
3940 static void Mod_GenerateLightmaps_DestroyTriangleInformation(dp_model_t *model)
3941 {
3942         if (mod_generatelightmaps_lightmaptriangles)
3943                 Mem_Free(mod_generatelightmaps_lightmaptriangles);
3944         mod_generatelightmaps_lightmaptriangles = NULL;
3945 }
3946
3947 float lmaxis[3][3] = {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}};
3948
3949 static void Mod_GenerateLightmaps_CreateLightmaps(dp_model_t *model)
3950 {
3951         msurface_t *surface;
3952         int surfaceindex;
3953         int lightmapindex;
3954         int lightmapnumber;
3955         int i;
3956         int j;
3957         int k;
3958         int x;
3959         int y;
3960         int axis;
3961         int axis1;
3962         int axis2;
3963         int retry;
3964         int pixeloffset;
3965         float trianglenormal[3];
3966         float samplecenter[3];
3967         float samplenormal[3];
3968         float temp[3];
3969         float lmiscale[2];
3970         float slopex;
3971         float slopey;
3972         float slopebase;
3973         float lmscalepixels;
3974         float lmmins;
3975         float lmmaxs;
3976         float lm_basescalepixels;
3977         int lm_borderpixels;
3978         int lm_texturesize;
3979         //int lm_maxpixels;
3980         const int *e;
3981         lightmaptriangle_t *triangle;
3982         unsigned char *lightmappixels;
3983         unsigned char *deluxemappixels;
3984         mod_alloclightmap_state_t lmstate;
3985
3986         // generate lightmap projection information for all triangles
3987         if (model->texturepool == NULL)
3988                 model->texturepool = R_AllocTexturePool();
3989         lm_basescalepixels = 1.0f / max(0.0001f, mod_generatelightmaps_unitspersample.value);
3990         lm_borderpixels = mod_generatelightmaps_borderpixels.integer;
3991         lm_texturesize = bound(lm_borderpixels*2+1, 64, (int)vid.maxtexturesize_2d);
3992         //lm_maxpixels = lm_texturesize-(lm_borderpixels*2+1);
3993         Mod_AllocLightmap_Init(&lmstate, lm_texturesize, lm_texturesize);
3994         lightmapnumber = 0;
3995         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
3996         {
3997                 surface = model->data_surfaces + surfaceindex;
3998                 e = model->surfmesh.data_element3i + surface->num_firsttriangle*3;
3999                 lmscalepixels = lm_basescalepixels;
4000                 for (retry = 0;retry < 30;retry++)
4001                 {
4002                         // after a couple failed attempts, degrade quality to make it fit
4003                         if (retry > 1)
4004                                 lmscalepixels *= 0.5f;
4005                         for (i = 0;i < surface->num_triangles;i++)
4006                         {
4007                                 triangle = &mod_generatelightmaps_lightmaptriangles[surface->num_firsttriangle+i];
4008                                 triangle->lightmapindex = lightmapnumber;
4009                                 // calculate lightmap bounds in 3D pixel coordinates, limit size,
4010                                 // pick two planar axes for projection
4011                                 // lightmap coordinates here are in pixels
4012                                 // lightmap projections are snapped to pixel grid explicitly, such
4013                                 // that two neighboring triangles sharing an edge and projection
4014                                 // axis will have identical sampl espacing along their shared edge
4015                                 k = 0;
4016                                 for (j = 0;j < 3;j++)
4017                                 {
4018                                         if (j == triangle->axis)
4019                                                 continue;
4020                                         lmmins = floor(triangle->mins[j]*lmscalepixels)-lm_borderpixels;
4021                                         lmmaxs = floor(triangle->maxs[j]*lmscalepixels)+lm_borderpixels;
4022                                         triangle->lmsize[k] = (int)(lmmaxs-lmmins);
4023                                         triangle->lmbase[k] = lmmins/lmscalepixels;
4024                                         triangle->lmscale[k] = lmscalepixels;
4025                                         k++;
4026                                 }
4027                                 if (!Mod_AllocLightmap_Block(&lmstate, triangle->lmsize[0], triangle->lmsize[1], &triangle->lmoffset[0], &triangle->lmoffset[1]))
4028                                         break;
4029                         }
4030                         // if all fit in this texture, we're done with this surface
4031                         if (i == surface->num_triangles)
4032                                 break;
4033                         // if we haven't maxed out the lightmap size yet, we retry the
4034                         // entire surface batch...
4035                         if (lm_texturesize * 2 <= min(mod_generatelightmaps_texturesize.integer, (int)vid.maxtexturesize_2d))
4036                         {
4037                                 lm_texturesize *= 2;
4038                                 surfaceindex = -1;
4039                                 lightmapnumber = 0;
4040                                 Mod_AllocLightmap_Free(&lmstate);
4041                                 Mod_AllocLightmap_Init(&lmstate, lm_texturesize, lm_texturesize);
4042                                 break;
4043                         }
4044                         // if we have maxed out the lightmap size, and this triangle does
4045                         // not fit in the same texture as the rest of the surface, we have
4046                         // to retry the entire surface in a new texture (can only use one)
4047                         // with multiple retries, the lightmap quality degrades until it
4048                         // fits (or gives up)
4049                         if (surfaceindex > 0)
4050                                 lightmapnumber++;
4051                         Mod_AllocLightmap_Reset(&lmstate);
4052                 }
4053         }
4054         lightmapnumber++;
4055         Mod_AllocLightmap_Free(&lmstate);
4056
4057         // now put triangles together into lightmap textures, and do not allow
4058         // triangles of a surface to go into different textures (as that would
4059         // require rewriting the surface list)
4060         model->brushq3.deluxemapping_modelspace = true;
4061         model->brushq3.deluxemapping = true;
4062         model->brushq3.num_mergedlightmaps = lightmapnumber;
4063         model->brushq3.data_lightmaps = (rtexture_t **)Mem_Alloc(model->mempool, model->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
4064         model->brushq3.data_deluxemaps = (rtexture_t **)Mem_Alloc(model->mempool, model->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
4065         lightmappixels = (unsigned char *)Mem_Alloc(tempmempool, model->brushq3.num_mergedlightmaps * lm_texturesize * lm_texturesize * 4);
4066         deluxemappixels = (unsigned char *)Mem_Alloc(tempmempool, model->brushq3.num_mergedlightmaps * lm_texturesize * lm_texturesize * 4);
4067         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
4068         {
4069                 surface = model->data_surfaces + surfaceindex;
4070                 e = model->surfmesh.data_element3i + surface->num_firsttriangle*3;
4071                 for (i = 0;i < surface->num_triangles;i++)
4072                 {
4073                         triangle = &mod_generatelightmaps_lightmaptriangles[surface->num_firsttriangle+i];
4074                         TriangleNormal(triangle->vertex[0], triangle->vertex[1], triangle->vertex[2], trianglenormal);
4075                         VectorNormalize(trianglenormal);
4076                         VectorCopy(trianglenormal, samplenormal); // FIXME: this is supposed to be interpolated per pixel from vertices
4077                         axis = triangle->axis;
4078                         axis1 = axis == 0 ? 1 : 0;
4079                         axis2 = axis == 2 ? 1 : 2;
4080                         lmiscale[0] = 1.0f / triangle->lmscale[0];
4081                         lmiscale[1] = 1.0f / triangle->lmscale[1];
4082                         if (trianglenormal[axis] < 0)
4083                                 VectorNegate(trianglenormal, trianglenormal);
4084                         CrossProduct(lmaxis[axis2], trianglenormal, temp);slopex = temp[axis] / temp[axis1];
4085                         CrossProduct(lmaxis[axis1], trianglenormal, temp);slopey = temp[axis] / temp[axis2];
4086                         slopebase = triangle->vertex[0][axis] - triangle->vertex[0][axis1]*slopex - triangle->vertex[0][axis2]*slopey;
4087                         for (j = 0;j < 3;j++)
4088                         {
4089                                 float *t2f = model->surfmesh.data_texcoordlightmap2f + e[i*3+j]*2;
4090                                 t2f[0] = ((triangle->vertex[j][axis1] - triangle->lmbase[0]) * triangle->lmscale[0] + triangle->lmoffset[0]) / lm_texturesize;
4091                                 t2f[1] = ((triangle->vertex[j][axis2] - triangle->lmbase[1]) * triangle->lmscale[1] + triangle->lmoffset[1]) / lm_texturesize;
4092 #if 0
4093                                 samplecenter[axis1] = (t2f[0]*lm_texturesize-triangle->lmoffset[0])*lmiscale[0] + triangle->lmbase[0];
4094                                 samplecenter[axis2] = (t2f[1]*lm_texturesize-triangle->lmoffset[1])*lmiscale[1] + triangle->lmbase[1];
4095                                 samplecenter[axis] = samplecenter[axis1]*slopex + samplecenter[axis2]*slopey + slopebase;
4096                                 Con_Printf("%f:%f %f:%f %f:%f = %f %f\n", triangle->vertex[j][axis1], samplecenter[axis1], triangle->vertex[j][axis2], samplecenter[axis2], triangle->vertex[j][axis], samplecenter[axis], t2f[0], t2f[1]);
4097 #endif
4098                         }
4099
4100 #if 0
4101                         switch (axis)
4102                         {
4103                         default:
4104                         case 0:
4105                                 forward[0] = 0;
4106                                 forward[1] = 1.0f / triangle->lmscale[0];
4107                                 forward[2] = 0;
4108                                 left[0] = 0;
4109                                 left[1] = 0;
4110                                 left[2] = 1.0f / triangle->lmscale[1];
4111                                 up[0] = 1.0f;
4112                                 up[1] = 0;
4113                                 up[2] = 0;
4114                                 origin[0] = 0;
4115                                 origin[1] = triangle->lmbase[0];
4116                                 origin[2] = triangle->lmbase[1];
4117                                 break;
4118                         case 1:
4119                                 forward[0] = 1.0f / triangle->lmscale[0];
4120                                 forward[1] = 0;
4121                                 forward[2] = 0;
4122                                 left[0] = 0;
4123                                 left[1] = 0;
4124                                 left[2] = 1.0f / triangle->lmscale[1];
4125                                 up[0] = 0;
4126                                 up[1] = 1.0f;
4127                                 up[2] = 0;
4128                                 origin[0] = triangle->lmbase[0];
4129                                 origin[1] = 0;
4130                                 origin[2] = triangle->lmbase[1];
4131                                 break;
4132                         case 2:
4133                                 forward[0] = 1.0f / triangle->lmscale[0];
4134                                 forward[1] = 0;
4135                                 forward[2] = 0;
4136                                 left[0] = 0;
4137                                 left[1] = 1.0f / triangle->lmscale[1];
4138                                 left[2] = 0;
4139                                 up[0] = 0;
4140                                 up[1] = 0;
4141                                 up[2] = 1.0f;
4142                                 origin[0] = triangle->lmbase[0];
4143                                 origin[1] = triangle->lmbase[1];
4144                                 origin[2] = 0;
4145                                 break;
4146                         }
4147                         Matrix4x4_FromVectors(&backmatrix, forward, left, up, origin);
4148 #endif
4149 #define LM_DIST_EPSILON (1.0f / 32.0f)
4150                         for (y = 0;y < triangle->lmsize[1];y++)
4151                         {
4152                                 pixeloffset = ((triangle->lightmapindex * lm_texturesize + y + triangle->lmoffset[1]) * lm_texturesize + triangle->lmoffset[0]) * 4;
4153                                 for (x = 0;x < triangle->lmsize[0];x++, pixeloffset += 4)
4154                                 {
4155                                         samplecenter[axis1] = (x+0.5f)*lmiscale[0] + triangle->lmbase[0];
4156                                         samplecenter[axis2] = (y+0.5f)*lmiscale[1] + triangle->lmbase[1];
4157                                         samplecenter[axis] = samplecenter[axis1]*slopex + samplecenter[axis2]*slopey + slopebase;
4158                                         VectorMA(samplecenter, 0.125f, samplenormal, samplecenter);
4159                                         Mod_GenerateLightmaps_LightmapSample(samplecenter, samplenormal, lightmappixels + pixeloffset, deluxemappixels + pixeloffset);
4160                                 }
4161                         }
4162                 }
4163         }
4164
4165         for (lightmapindex = 0;lightmapindex < model->brushq3.num_mergedlightmaps;lightmapindex++)
4166         {
4167                 model->brushq3.data_lightmaps[lightmapindex] = R_LoadTexture2D(model->texturepool, va("lightmap%i", lightmapindex), lm_texturesize, lm_texturesize, lightmappixels + lightmapindex * lm_texturesize * lm_texturesize * 4, TEXTYPE_BGRA, TEXF_FORCELINEAR, -1, NULL);
4168                 model->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(model->texturepool, va("deluxemap%i", lightmapindex), lm_texturesize, lm_texturesize, deluxemappixels + lightmapindex * lm_texturesize * lm_texturesize * 4, TEXTYPE_BGRA, TEXF_FORCELINEAR, -1, NULL);
4169         }
4170
4171         if (lightmappixels)
4172                 Mem_Free(lightmappixels);
4173         if (deluxemappixels)
4174                 Mem_Free(deluxemappixels);
4175
4176         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
4177         {
4178                 surface = model->data_surfaces + surfaceindex;
4179                 e = model->surfmesh.data_element3i + surface->num_firsttriangle*3;
4180                 if (!surface->num_triangles)
4181                         continue;
4182                 lightmapindex = mod_generatelightmaps_lightmaptriangles[surface->num_firsttriangle].lightmapindex;
4183                 surface->lightmaptexture = model->brushq3.data_lightmaps[lightmapindex];
4184                 surface->deluxemaptexture = model->brushq3.data_deluxemaps[lightmapindex];
4185                 surface->lightmapinfo = NULL;
4186         }
4187
4188         model->brush.LightPoint = Mod_GenerateLightmaps_LightPoint;
4189         model->brushq1.lightdata = NULL;
4190         model->brushq1.lightmapupdateflags = NULL;
4191         model->brushq1.firstrender = false;
4192         model->brushq1.num_lightstyles = 0;
4193         model->brushq1.data_lightstyleinfo = NULL;
4194         for (i = 0;i < model->brush.numsubmodels;i++)
4195         {
4196                 model->brush.submodels[i]->brushq1.lightmapupdateflags = NULL;
4197                 model->brush.submodels[i]->brushq1.firstrender = false;
4198                 model->brush.submodels[i]->brushq1.num_lightstyles = 0;
4199                 model->brush.submodels[i]->brushq1.data_lightstyleinfo = NULL;
4200         }
4201 }
4202
4203 static void Mod_GenerateLightmaps_UpdateVertexColors(dp_model_t *model)
4204 {
4205         int i;
4206         for (i = 0;i < model->surfmesh.num_vertices;i++)
4207                 Mod_GenerateLightmaps_VertexSample(model->surfmesh.data_vertex3f + 3*i, model->surfmesh.data_normal3f + 3*i, model->surfmesh.data_lightmapcolor4f + 4*i);
4208 }
4209
4210 static void Mod_GenerateLightmaps_UpdateLightGrid(dp_model_t *model)
4211 {
4212         int x;
4213         int y;
4214         int z;
4215         int index = 0;
4216         float pos[3];
4217         for (z = 0;z < model->brushq3.num_lightgrid_isize[2];z++)
4218         {
4219                 pos[2] = (model->brushq3.num_lightgrid_imins[2] + z + 0.5f) * model->brushq3.num_lightgrid_cellsize[2];
4220                 for (y = 0;y < model->brushq3.num_lightgrid_isize[1];y++)
4221                 {
4222                         pos[1] = (model->brushq3.num_lightgrid_imins[1] + y + 0.5f) * model->brushq3.num_lightgrid_cellsize[1];
4223                         for (x = 0;x < model->brushq3.num_lightgrid_isize[0];x++, index++)
4224                         {
4225                                 pos[0] = (model->brushq3.num_lightgrid_imins[0] + x + 0.5f) * model->brushq3.num_lightgrid_cellsize[0];
4226                                 Mod_GenerateLightmaps_GridSample(pos, model->brushq3.data_lightgrid + index);
4227                         }
4228                 }
4229         }
4230 }
4231
4232 extern cvar_t mod_q3bsp_nolightmaps;
4233 static void Mod_GenerateLightmaps(dp_model_t *model)
4234 {
4235         //lightmaptriangle_t *lightmaptriangles = Mem_Alloc(model->mempool, model->surfmesh.num_triangles * sizeof(lightmaptriangle_t));
4236         dp_model_t *oldloadmodel = loadmodel;
4237         loadmodel = model;
4238
4239         Mod_GenerateLightmaps_InitSampleOffsets(model);
4240         Mod_GenerateLightmaps_DestroyLightmaps(model);
4241         Mod_GenerateLightmaps_UnweldTriangles(model);
4242         Mod_GenerateLightmaps_CreateTriangleInformation(model);
4243         Mod_GenerateLightmaps_CreateLights(model);
4244         if(!mod_q3bsp_nolightmaps.integer)
4245                 Mod_GenerateLightmaps_CreateLightmaps(model);
4246         Mod_GenerateLightmaps_UpdateVertexColors(model);
4247         Mod_GenerateLightmaps_UpdateLightGrid(model);
4248         Mod_GenerateLightmaps_DestroyLights(model);
4249         Mod_GenerateLightmaps_DestroyTriangleInformation(model);
4250
4251         loadmodel = oldloadmodel;
4252 }
4253
4254 static void Mod_GenerateLightmaps_f(void)
4255 {
4256         if (Cmd_Argc() != 1)
4257         {
4258                 Con_Printf("usage: mod_generatelightmaps\n");
4259                 return;
4260         }
4261         if (!cl.worldmodel)
4262         {
4263                 Con_Printf("no worldmodel loaded\n");
4264                 return;
4265         }
4266         Mod_GenerateLightmaps(cl.worldmodel);
4267 }