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                         // redeclaration
1577                         if(shader->dpshaderkill)
1578                         {
1579                                 // killed shader is a redeclarion? we can safely ignore it
1580                                 return;
1581                         }
1582                         else if(entry->shader.dpshaderkill)
1583                         {
1584                                 // replace the old shader!
1585                                 // this will skip the entry allocating part
1586                                 // below and just replace the shader
1587                                 break;
1588                         }
1589                         else
1590                         {
1591                                 unsigned char *start, *end, *start2;
1592                                 start = (unsigned char *) (&shader->Q3SHADERINFO_COMPARE_START);
1593                                 end = ((unsigned char *) (&shader->Q3SHADERINFO_COMPARE_END)) + sizeof(shader->Q3SHADERINFO_COMPARE_END);
1594                                 start2 = (unsigned char *) (&entry->shader.Q3SHADERINFO_COMPARE_START);
1595                                 if(memcmp(start, start2, end - start))
1596                                         Con_DPrintf("Shader '%s' already defined, ignoring mismatching redeclaration\n", shader->name);
1597                                 else
1598                                         Con_DPrintf("Shader '%s' already defined\n", shader->name);
1599                                 return;
1600                         }
1601                 }
1602                 lastEntry = entry;
1603                 entry = entry->chain;
1604         }
1605         if (entry == NULL)
1606         {
1607                 if (lastEntry->shader.name[0] != 0)
1608                 {
1609                         /* Add to chain */
1610                         q3shader_hash_entry_t* newEntry = (q3shader_hash_entry_t*)
1611                           Mem_ExpandableArray_AllocRecord (&q3shader_data->hash_entries);
1612
1613                         while (lastEntry->chain != NULL) lastEntry = lastEntry->chain;
1614                         lastEntry->chain = newEntry;
1615                         newEntry->chain = NULL;
1616                         lastEntry = newEntry;
1617                 }
1618                 /* else: head of chain, in hash entry array */
1619                 entry = lastEntry;
1620         }
1621         memcpy (&entry->shader, shader, sizeof (q3shaderinfo_t));
1622 }
1623
1624 extern cvar_t mod_noshader_default_offsetmapping;
1625 extern cvar_t mod_q3shader_default_offsetmapping;
1626 extern cvar_t mod_q3shader_default_offsetmapping_scale;
1627 extern cvar_t mod_q3shader_default_offsetmapping_bias;
1628 extern cvar_t mod_q3shader_default_polygonoffset;
1629 extern cvar_t mod_q3shader_default_polygonfactor;
1630 extern cvar_t mod_q3shader_force_addalpha;
1631 void Mod_LoadQ3Shaders(void)
1632 {
1633         int j;
1634         int fileindex;
1635         fssearch_t *search;
1636         char *f;
1637         const char *text;
1638         q3shaderinfo_t shader;
1639         q3shaderinfo_layer_t *layer;
1640         int numparameters;
1641         char parameter[TEXTURE_MAXFRAMES + 4][Q3PATHLENGTH];
1642         char *custsurfaceparmnames[256]; // VorteX: q3map2 has 64 but well, someone will need more
1643         unsigned long custsurfaceparms[256];
1644         int numcustsurfaceparms;
1645         qboolean dpshaderkill;
1646
1647         Mod_FreeQ3Shaders();
1648
1649         q3shaders_mem = Mem_AllocPool("q3shaders", 0, NULL);
1650         q3shader_data = (q3shader_data_t*)Mem_Alloc (q3shaders_mem,
1651                 sizeof (q3shader_data_t));
1652         Mem_ExpandableArray_NewArray (&q3shader_data->hash_entries,
1653                 q3shaders_mem, sizeof (q3shader_hash_entry_t), 256);
1654         Mem_ExpandableArray_NewArray (&q3shader_data->char_ptrs,
1655                 q3shaders_mem, sizeof (char**), 256);
1656
1657         // parse custinfoparms.txt
1658         numcustsurfaceparms = 0;
1659         if ((text = f = (char *)FS_LoadFile("scripts/custinfoparms.txt", tempmempool, false, NULL)) != NULL)
1660         {
1661                 if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
1662                         Con_DPrintf("scripts/custinfoparms.txt: contentflags section parsing error - expected \"{\", found \"%s\"\n", com_token);
1663                 else
1664                 {
1665                         while (COM_ParseToken_QuakeC(&text, false))
1666                                 if (!strcasecmp(com_token, "}"))
1667                                         break;
1668                         // custom surfaceflags section
1669                         if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
1670                                 Con_DPrintf("scripts/custinfoparms.txt: surfaceflags section parsing error - expected \"{\", found \"%s\"\n", com_token);
1671                         else
1672                         {
1673                                 while(COM_ParseToken_QuakeC(&text, false))
1674                                 {
1675                                         if (!strcasecmp(com_token, "}"))
1676                                                 break;
1677                                         // register surfaceflag
1678                                         if (numcustsurfaceparms >= 256)
1679                                         {
1680                                                 Con_Printf("scripts/custinfoparms.txt: surfaceflags section parsing error - max 256 surfaceflags exceeded\n");
1681                                                 break;
1682                                         }
1683                                         // name
1684                                         j = strlen(com_token)+1;
1685                                         custsurfaceparmnames[numcustsurfaceparms] = (char *)Mem_Alloc(tempmempool, j);
1686                                         strlcpy(custsurfaceparmnames[numcustsurfaceparms], com_token, j+1);
1687                                         // value
1688                                         if (COM_ParseToken_QuakeC(&text, false))
1689                                                 custsurfaceparms[numcustsurfaceparms] = strtol(com_token, NULL, 0);
1690                                         else
1691                                                 custsurfaceparms[numcustsurfaceparms] = 0;
1692                                         numcustsurfaceparms++;
1693                                 }
1694                         }
1695                 }
1696                 Mem_Free(f);
1697         }
1698
1699         // parse shaders
1700         search = FS_Search("scripts/*.shader", true, false);
1701         if (!search)
1702                 return;
1703         for (fileindex = 0;fileindex < search->numfilenames;fileindex++)
1704         {
1705                 text = f = (char *)FS_LoadFile(search->filenames[fileindex], tempmempool, false, NULL);
1706                 if (!f)
1707                         continue;
1708                 while (COM_ParseToken_QuakeC(&text, false))
1709                 {
1710                         memset (&shader, 0, sizeof(shader));
1711                         shader.reflectmin = 0;
1712                         shader.reflectmax = 1;
1713                         shader.refractfactor = 1;
1714                         Vector4Set(shader.refractcolor4f, 1, 1, 1, 1);
1715                         shader.reflectfactor = 1;
1716                         Vector4Set(shader.reflectcolor4f, 1, 1, 1, 1);
1717                         shader.r_water_wateralpha = 1;
1718                         shader.offsetmapping = (mod_q3shader_default_offsetmapping.value) ? OFFSETMAPPING_DEFAULT : OFFSETMAPPING_OFF;
1719                         shader.offsetscale = mod_q3shader_default_offsetmapping_scale.value;
1720                         shader.offsetbias = mod_q3shader_default_offsetmapping_bias.value;
1721                         shader.specularscalemod = 1;
1722                         shader.specularpowermod = 1;
1723                         shader.biaspolygonoffset = mod_q3shader_default_polygonoffset.value;
1724                         shader.biaspolygonfactor = mod_q3shader_default_polygonfactor.value;
1725
1726                         strlcpy(shader.name, com_token, sizeof(shader.name));
1727                         if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
1728                         {
1729                                 Con_DPrintf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[fileindex], com_token);
1730                                 break;
1731                         }
1732                         while (COM_ParseToken_QuakeC(&text, false))
1733                         {
1734                                 if (!strcasecmp(com_token, "}"))
1735                                         break;
1736                                 if (!strcasecmp(com_token, "{"))
1737                                 {
1738                                         static q3shaderinfo_layer_t dummy;
1739                                         if (shader.numlayers < Q3SHADER_MAXLAYERS)
1740                                         {
1741                                                 layer = shader.layers + shader.numlayers++;
1742                                         }
1743                                         else
1744                                         {
1745                                                 // parse and process it anyway, just don't store it (so a map $lightmap or such stuff still is found)
1746                                                 memset(&dummy, 0, sizeof(dummy));
1747                                                 layer = &dummy;
1748                                         }
1749                                         layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITY;
1750                                         layer->alphagen.alphagen = Q3ALPHAGEN_IDENTITY;
1751                                         layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1752                                         layer->blendfunc[0] = GL_ONE;
1753                                         layer->blendfunc[1] = GL_ZERO;
1754                                         while (COM_ParseToken_QuakeC(&text, false))
1755                                         {
1756                                                 if (!strcasecmp(com_token, "}"))
1757                                                         break;
1758                                                 if (!strcasecmp(com_token, "\n"))
1759                                                         continue;
1760                                                 numparameters = 0;
1761                                                 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
1762                                                 {
1763                                                         if (j < TEXTURE_MAXFRAMES + 4)
1764                                                         {
1765                                                                 // remap dp_water to dpwater, dp_reflect to dpreflect, etc.
1766                                                                 if(j == 0 && !strncasecmp(com_token, "dp_", 3))
1767                                                                         dpsnprintf(parameter[j], sizeof(parameter[j]), "dp%s", &com_token[3]);
1768                                                                 else
1769                                                                         strlcpy(parameter[j], com_token, sizeof(parameter[j]));
1770                                                                 numparameters = j + 1;
1771                                                         }
1772                                                         if (!COM_ParseToken_QuakeC(&text, true))
1773                                                                 break;
1774                                                 }
1775                                                 //for (j = numparameters;j < TEXTURE_MAXFRAMES + 4;j++)
1776                                                 //      parameter[j][0] = 0;
1777                                                 if (developer_insane.integer)
1778                                                 {
1779                                                         Con_DPrintf("%s %i: ", shader.name, shader.numlayers - 1);
1780                                                         for (j = 0;j < numparameters;j++)
1781                                                                 Con_DPrintf(" %s", parameter[j]);
1782                                                         Con_DPrint("\n");
1783                                                 }
1784                                                 if (numparameters >= 2 && !strcasecmp(parameter[0], "blendfunc"))
1785                                                 {
1786                                                         if (numparameters == 2)
1787                                                         {
1788                                                                 if (!strcasecmp(parameter[1], "add"))
1789                                                                 {
1790                                                                         layer->blendfunc[0] = GL_ONE;
1791                                                                         layer->blendfunc[1] = GL_ONE;
1792                                                                 }
1793                                                                 else if (!strcasecmp(parameter[1], "addalpha"))
1794                                                                 {
1795                                                                         layer->blendfunc[0] = GL_SRC_ALPHA;
1796                                                                         layer->blendfunc[1] = GL_ONE;
1797                                                                 }
1798                                                                 else if (!strcasecmp(parameter[1], "filter"))
1799                                                                 {
1800                                                                         layer->blendfunc[0] = GL_DST_COLOR;
1801                                                                         layer->blendfunc[1] = GL_ZERO;
1802                                                                 }
1803                                                                 else if (!strcasecmp(parameter[1], "blend"))
1804                                                                 {
1805                                                                         layer->blendfunc[0] = GL_SRC_ALPHA;
1806                                                                         layer->blendfunc[1] = GL_ONE_MINUS_SRC_ALPHA;
1807                                                                 }
1808                                                         }
1809                                                         else if (numparameters == 3)
1810                                                         {
1811                                                                 int k;
1812                                                                 for (k = 0;k < 2;k++)
1813                                                                 {
1814                                                                         if (!strcasecmp(parameter[k+1], "GL_ONE"))
1815                                                                                 layer->blendfunc[k] = GL_ONE;
1816                                                                         else if (!strcasecmp(parameter[k+1], "GL_ZERO"))
1817                                                                                 layer->blendfunc[k] = GL_ZERO;
1818                                                                         else if (!strcasecmp(parameter[k+1], "GL_SRC_COLOR"))
1819                                                                                 layer->blendfunc[k] = GL_SRC_COLOR;
1820                                                                         else if (!strcasecmp(parameter[k+1], "GL_SRC_ALPHA"))
1821                                                                                 layer->blendfunc[k] = GL_SRC_ALPHA;
1822                                                                         else if (!strcasecmp(parameter[k+1], "GL_DST_COLOR"))
1823                                                                                 layer->blendfunc[k] = GL_DST_COLOR;
1824                                                                         else if (!strcasecmp(parameter[k+1], "GL_DST_ALPHA"))
1825                                                                                 layer->blendfunc[k] = GL_DST_ALPHA;
1826                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_COLOR"))
1827                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_SRC_COLOR;
1828                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_ALPHA"))
1829                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_SRC_ALPHA;
1830                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_COLOR"))
1831                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_DST_COLOR;
1832                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_ALPHA"))
1833                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
1834                                                                         else
1835                                                                                 layer->blendfunc[k] = GL_ONE; // default in case of parsing error
1836                                                                 }
1837                                                         }
1838                                                 }
1839                                                 if (numparameters >= 2 && !strcasecmp(parameter[0], "alphafunc"))
1840                                                         layer->alphatest = true;
1841                                                 if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
1842                                                 {
1843                                                         if (!strcasecmp(parameter[0], "clampmap"))
1844                                                                 layer->clampmap = true;
1845                                                         layer->numframes = 1;
1846                                                         layer->framerate = 1;
1847                                                         layer->texturename = (char**)Mem_ExpandableArray_AllocRecord (
1848                                                                 &q3shader_data->char_ptrs);
1849                                                         layer->texturename[0] = Mem_strdup (q3shaders_mem, parameter[1]);
1850                                                         if (!strcasecmp(parameter[1], "$lightmap"))
1851                                                                 shader.lighting = true;
1852                                                 }
1853                                                 else if (numparameters >= 3 && (!strcasecmp(parameter[0], "animmap") || !strcasecmp(parameter[0], "animclampmap")))
1854                                                 {
1855                                                         int i;
1856                                                         layer->numframes = min(numparameters - 2, TEXTURE_MAXFRAMES);
1857                                                         layer->framerate = atof(parameter[1]);
1858                                                         layer->texturename = (char **) Mem_Alloc (q3shaders_mem, sizeof (char*) * layer->numframes);
1859                                                         for (i = 0;i < layer->numframes;i++)
1860                                                                 layer->texturename[i] = Mem_strdup (q3shaders_mem, parameter[i + 2]);
1861                                                 }
1862                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "rgbgen"))
1863                                                 {
1864                                                         int i;
1865                                                         for (i = 0;i < numparameters - 2 && i < Q3RGBGEN_MAXPARMS;i++)
1866                                                                 layer->rgbgen.parms[i] = atof(parameter[i+2]);
1867                                                              if (!strcasecmp(parameter[1], "identity"))         layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITY;
1868                                                         else if (!strcasecmp(parameter[1], "const"))            layer->rgbgen.rgbgen = Q3RGBGEN_CONST;
1869                                                         else if (!strcasecmp(parameter[1], "entity"))           layer->rgbgen.rgbgen = Q3RGBGEN_ENTITY;
1870                                                         else if (!strcasecmp(parameter[1], "exactvertex"))      layer->rgbgen.rgbgen = Q3RGBGEN_EXACTVERTEX;
1871                                                         else if (!strcasecmp(parameter[1], "identitylighting")) layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITYLIGHTING;
1872                                                         else if (!strcasecmp(parameter[1], "lightingdiffuse"))  layer->rgbgen.rgbgen = Q3RGBGEN_LIGHTINGDIFFUSE;
1873                                                         else if (!strcasecmp(parameter[1], "oneminusentity"))   layer->rgbgen.rgbgen = Q3RGBGEN_ONEMINUSENTITY;
1874                                                         else if (!strcasecmp(parameter[1], "oneminusvertex"))   layer->rgbgen.rgbgen = Q3RGBGEN_ONEMINUSVERTEX;
1875                                                         else if (!strcasecmp(parameter[1], "vertex"))           layer->rgbgen.rgbgen = Q3RGBGEN_VERTEX;
1876                                                         else if (!strcasecmp(parameter[1], "wave"))
1877                                                         {
1878                                                                 layer->rgbgen.rgbgen = Q3RGBGEN_WAVE;
1879                                                                 layer->rgbgen.wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1880                                                                 for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1881                                                                         layer->rgbgen.waveparms[i] = atof(parameter[i+3]);
1882                                                         }
1883                                                         else Con_DPrintf("%s parsing warning: unknown rgbgen %s\n", search->filenames[fileindex], parameter[1]);
1884                                                 }
1885                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "alphagen"))
1886                                                 {
1887                                                         int i;
1888                                                         for (i = 0;i < numparameters - 2 && i < Q3ALPHAGEN_MAXPARMS;i++)
1889                                                                 layer->alphagen.parms[i] = atof(parameter[i+2]);
1890                                                              if (!strcasecmp(parameter[1], "identity"))         layer->alphagen.alphagen = Q3ALPHAGEN_IDENTITY;
1891                                                         else if (!strcasecmp(parameter[1], "const"))            layer->alphagen.alphagen = Q3ALPHAGEN_CONST;
1892                                                         else if (!strcasecmp(parameter[1], "entity"))           layer->alphagen.alphagen = Q3ALPHAGEN_ENTITY;
1893                                                         else if (!strcasecmp(parameter[1], "lightingspecular")) layer->alphagen.alphagen = Q3ALPHAGEN_LIGHTINGSPECULAR;
1894                                                         else if (!strcasecmp(parameter[1], "oneminusentity"))   layer->alphagen.alphagen = Q3ALPHAGEN_ONEMINUSENTITY;
1895                                                         else if (!strcasecmp(parameter[1], "oneminusvertex"))   layer->alphagen.alphagen = Q3ALPHAGEN_ONEMINUSVERTEX;
1896                                                         else if (!strcasecmp(parameter[1], "portal"))           layer->alphagen.alphagen = Q3ALPHAGEN_PORTAL;
1897                                                         else if (!strcasecmp(parameter[1], "vertex"))           layer->alphagen.alphagen = Q3ALPHAGEN_VERTEX;
1898                                                         else if (!strcasecmp(parameter[1], "wave"))
1899                                                         {
1900                                                                 layer->alphagen.alphagen = Q3ALPHAGEN_WAVE;
1901                                                                 layer->alphagen.wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1902                                                                 for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1903                                                                         layer->alphagen.waveparms[i] = atof(parameter[i+3]);
1904                                                         }
1905                                                         else Con_DPrintf("%s parsing warning: unknown alphagen %s\n", search->filenames[fileindex], parameter[1]);
1906                                                 }
1907                                                 else if (numparameters >= 2 && (!strcasecmp(parameter[0], "texgen") || !strcasecmp(parameter[0], "tcgen")))
1908                                                 {
1909                                                         int i;
1910                                                         // observed values: tcgen environment
1911                                                         // no other values have been observed in real shaders
1912                                                         for (i = 0;i < numparameters - 2 && i < Q3TCGEN_MAXPARMS;i++)
1913                                                                 layer->tcgen.parms[i] = atof(parameter[i+2]);
1914                                                              if (!strcasecmp(parameter[1], "base"))        layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1915                                                         else if (!strcasecmp(parameter[1], "texture"))     layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1916                                                         else if (!strcasecmp(parameter[1], "environment")) layer->tcgen.tcgen = Q3TCGEN_ENVIRONMENT;
1917                                                         else if (!strcasecmp(parameter[1], "lightmap"))    layer->tcgen.tcgen = Q3TCGEN_LIGHTMAP;
1918                                                         else if (!strcasecmp(parameter[1], "vector"))      layer->tcgen.tcgen = Q3TCGEN_VECTOR;
1919                                                         else Con_DPrintf("%s parsing warning: unknown tcgen mode %s\n", search->filenames[fileindex], parameter[1]);
1920                                                 }
1921                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "tcmod"))
1922                                                 {
1923                                                         int i, tcmodindex;
1924                                                         // observed values:
1925                                                         // tcmod rotate #
1926                                                         // tcmod scale # #
1927                                                         // tcmod scroll # #
1928                                                         // tcmod stretch sin # # # #
1929                                                         // tcmod stretch triangle # # # #
1930                                                         // tcmod transform # # # # # #
1931                                                         // tcmod turb # # # #
1932                                                         // tcmod turb sin # # # #  (this is bogus)
1933                                                         // no other values have been observed in real shaders
1934                                                         for (tcmodindex = 0;tcmodindex < Q3MAXTCMODS;tcmodindex++)
1935                                                                 if (!layer->tcmods[tcmodindex].tcmod)
1936                                                                         break;
1937                                                         if (tcmodindex < Q3MAXTCMODS)
1938                                                         {
1939                                                                 for (i = 0;i < numparameters - 2 && i < Q3TCMOD_MAXPARMS;i++)
1940                                                                         layer->tcmods[tcmodindex].parms[i] = atof(parameter[i+2]);
1941                                                                          if (!strcasecmp(parameter[1], "entitytranslate")) layer->tcmods[tcmodindex].tcmod = Q3TCMOD_ENTITYTRANSLATE;
1942                                                                 else if (!strcasecmp(parameter[1], "rotate"))          layer->tcmods[tcmodindex].tcmod = Q3TCMOD_ROTATE;
1943                                                                 else if (!strcasecmp(parameter[1], "scale"))           layer->tcmods[tcmodindex].tcmod = Q3TCMOD_SCALE;
1944                                                                 else if (!strcasecmp(parameter[1], "scroll"))          layer->tcmods[tcmodindex].tcmod = Q3TCMOD_SCROLL;
1945                                                                 else if (!strcasecmp(parameter[1], "page"))            layer->tcmods[tcmodindex].tcmod = Q3TCMOD_PAGE;
1946                                                                 else if (!strcasecmp(parameter[1], "stretch"))
1947                                                                 {
1948                                                                         layer->tcmods[tcmodindex].tcmod = Q3TCMOD_STRETCH;
1949                                                                         layer->tcmods[tcmodindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1950                                                                         for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1951                                                                                 layer->tcmods[tcmodindex].waveparms[i] = atof(parameter[i+3]);
1952                                                                 }
1953                                                                 else if (!strcasecmp(parameter[1], "transform"))       layer->tcmods[tcmodindex].tcmod = Q3TCMOD_TRANSFORM;
1954                                                                 else if (!strcasecmp(parameter[1], "turb"))            layer->tcmods[tcmodindex].tcmod = Q3TCMOD_TURBULENT;
1955                                                                 else Con_DPrintf("%s parsing warning: unknown tcmod mode %s\n", search->filenames[fileindex], parameter[1]);
1956                                                         }
1957                                                         else
1958                                                                 Con_DPrintf("%s parsing warning: too many tcmods on one layer\n", search->filenames[fileindex]);
1959                                                 }
1960                                                 // break out a level if it was a closing brace (not using the character here to not confuse vim)
1961                                                 if (!strcasecmp(com_token, "}"))
1962                                                         break;
1963                                         }
1964                                         if (layer->rgbgen.rgbgen == Q3RGBGEN_LIGHTINGDIFFUSE || layer->rgbgen.rgbgen == Q3RGBGEN_VERTEX)
1965                                                 shader.lighting = true;
1966                                         if (layer->alphagen.alphagen == Q3ALPHAGEN_VERTEX)
1967                                         {
1968                                                 if (layer == shader.layers + 0)
1969                                                 {
1970                                                         // vertex controlled transparency
1971                                                         shader.vertexalpha = true;
1972                                                 }
1973                                                 else
1974                                                 {
1975                                                         // multilayer terrain shader or similar
1976                                                         shader.textureblendalpha = true;
1977                                                 }
1978                                         }
1979
1980                                         if(mod_q3shader_force_addalpha.integer)
1981                                         {
1982                                                 // for a long while, DP treated GL_ONE GL_ONE as GL_SRC_ALPHA GL_ONE
1983                                                 // this cvar brings back this behaviour
1984                                                 if(layer->blendfunc[0] == GL_ONE && layer->blendfunc[1] == GL_ONE)
1985                                                         layer->blendfunc[0] = GL_SRC_ALPHA;
1986                                         }
1987
1988                                         layer->texflags = 0;
1989                                         if (layer->alphatest)
1990                                                 layer->texflags |= TEXF_ALPHA;
1991                                         switch(layer->blendfunc[0])
1992                                         {
1993                                                 case GL_SRC_ALPHA:
1994                                                 case GL_ONE_MINUS_SRC_ALPHA:
1995                                                         layer->texflags |= TEXF_ALPHA;
1996                                                         break;
1997                                         }
1998                                         switch(layer->blendfunc[1])
1999                                         {
2000                                                 case GL_SRC_ALPHA:
2001                                                 case GL_ONE_MINUS_SRC_ALPHA:
2002                                                         layer->texflags |= TEXF_ALPHA;
2003                                                         break;
2004                                         }
2005                                         if (!(shader.surfaceparms & Q3SURFACEPARM_NOMIPMAPS))
2006                                                 layer->texflags |= TEXF_MIPMAP;
2007                                         if (!(shader.textureflags & Q3TEXTUREFLAG_NOPICMIP))
2008                                                 layer->texflags |= TEXF_PICMIP | TEXF_COMPRESS;
2009                                         if (layer->clampmap)
2010                                                 layer->texflags |= TEXF_CLAMP;
2011                                         continue;
2012                                 }
2013                                 numparameters = 0;
2014                                 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
2015                                 {
2016                                         if (j < TEXTURE_MAXFRAMES + 4)
2017                                         {
2018                                                 // remap dp_water to dpwater, dp_reflect to dpreflect, etc.
2019                                                 if(j == 0 && !strncasecmp(com_token, "dp_", 3))
2020                                                         dpsnprintf(parameter[j], sizeof(parameter[j]), "dp%s", &com_token[3]);
2021                                                 else
2022                                                         strlcpy(parameter[j], com_token, sizeof(parameter[j]));
2023                                                 numparameters = j + 1;
2024                                         }
2025                                         if (!COM_ParseToken_QuakeC(&text, true))
2026                                                 break;
2027                                 }
2028                                 //for (j = numparameters;j < TEXTURE_MAXFRAMES + 4;j++)
2029                                 //      parameter[j][0] = 0;
2030                                 if (fileindex == 0 && !strcasecmp(com_token, "}"))
2031                                         break;
2032                                 if (developer_insane.integer)
2033                                 {
2034                                         Con_DPrintf("%s: ", shader.name);
2035                                         for (j = 0;j < numparameters;j++)
2036                                                 Con_DPrintf(" %s", parameter[j]);
2037                                         Con_DPrint("\n");
2038                                 }
2039                                 if (numparameters < 1)
2040                                         continue;
2041                                 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
2042                                 {
2043                                         if (!strcasecmp(parameter[1], "alphashadow"))
2044                                                 shader.surfaceparms |= Q3SURFACEPARM_ALPHASHADOW;
2045                                         else if (!strcasecmp(parameter[1], "areaportal"))
2046                                                 shader.surfaceparms |= Q3SURFACEPARM_AREAPORTAL;
2047                                         else if (!strcasecmp(parameter[1], "botclip"))
2048                                                 shader.surfaceparms |= Q3SURFACEPARM_BOTCLIP;
2049                                         else if (!strcasecmp(parameter[1], "clusterportal"))
2050                                                 shader.surfaceparms |= Q3SURFACEPARM_CLUSTERPORTAL;
2051                                         else if (!strcasecmp(parameter[1], "detail"))
2052                                                 shader.surfaceparms |= Q3SURFACEPARM_DETAIL;
2053                                         else if (!strcasecmp(parameter[1], "donotenter"))
2054                                                 shader.surfaceparms |= Q3SURFACEPARM_DONOTENTER;
2055                                         else if (!strcasecmp(parameter[1], "dust"))
2056                                                 shader.surfaceparms |= Q3SURFACEPARM_DUST;
2057                                         else if (!strcasecmp(parameter[1], "hint"))
2058                                                 shader.surfaceparms |= Q3SURFACEPARM_HINT;
2059                                         else if (!strcasecmp(parameter[1], "fog"))
2060                                                 shader.surfaceparms |= Q3SURFACEPARM_FOG;
2061                                         else if (!strcasecmp(parameter[1], "lava"))
2062                                                 shader.surfaceparms |= Q3SURFACEPARM_LAVA;
2063                                         else if (!strcasecmp(parameter[1], "lightfilter"))
2064                                                 shader.surfaceparms |= Q3SURFACEPARM_LIGHTFILTER;
2065                                         else if (!strcasecmp(parameter[1], "lightgrid"))
2066                                                 shader.surfaceparms |= Q3SURFACEPARM_LIGHTGRID;
2067                                         else if (!strcasecmp(parameter[1], "metalsteps"))
2068                                                 shader.surfaceparms |= Q3SURFACEPARM_METALSTEPS;
2069                                         else if (!strcasecmp(parameter[1], "nodamage"))
2070                                                 shader.surfaceparms |= Q3SURFACEPARM_NODAMAGE;
2071                                         else if (!strcasecmp(parameter[1], "nodlight"))
2072                                                 shader.surfaceparms |= Q3SURFACEPARM_NODLIGHT;
2073                                         else if (!strcasecmp(parameter[1], "nodraw"))
2074                                                 shader.surfaceparms |= Q3SURFACEPARM_NODRAW;
2075                                         else if (!strcasecmp(parameter[1], "nodrop"))
2076                                                 shader.surfaceparms |= Q3SURFACEPARM_NODROP;
2077                                         else if (!strcasecmp(parameter[1], "noimpact"))
2078                                                 shader.surfaceparms |= Q3SURFACEPARM_NOIMPACT;
2079                                         else if (!strcasecmp(parameter[1], "nolightmap"))
2080                                                 shader.surfaceparms |= Q3SURFACEPARM_NOLIGHTMAP;
2081                                         else if (!strcasecmp(parameter[1], "nomarks"))
2082                                                 shader.surfaceparms |= Q3SURFACEPARM_NOMARKS;
2083                                         else if (!strcasecmp(parameter[1], "nomipmaps"))
2084                                                 shader.surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
2085                                         else if (!strcasecmp(parameter[1], "nonsolid"))
2086                                                 shader.surfaceparms |= Q3SURFACEPARM_NONSOLID;
2087                                         else if (!strcasecmp(parameter[1], "origin"))
2088                                                 shader.surfaceparms |= Q3SURFACEPARM_ORIGIN;
2089                                         else if (!strcasecmp(parameter[1], "playerclip"))
2090                                                 shader.surfaceparms |= Q3SURFACEPARM_PLAYERCLIP;
2091                                         else if (!strcasecmp(parameter[1], "sky"))
2092                                                 shader.surfaceparms |= Q3SURFACEPARM_SKY;
2093                                         else if (!strcasecmp(parameter[1], "slick"))
2094                                                 shader.surfaceparms |= Q3SURFACEPARM_SLICK;
2095                                         else if (!strcasecmp(parameter[1], "slime"))
2096                                                 shader.surfaceparms |= Q3SURFACEPARM_SLIME;
2097                                         else if (!strcasecmp(parameter[1], "structural"))
2098                                                 shader.surfaceparms |= Q3SURFACEPARM_STRUCTURAL;
2099                                         else if (!strcasecmp(parameter[1], "trans"))
2100                                                 shader.surfaceparms |= Q3SURFACEPARM_TRANS;
2101                                         else if (!strcasecmp(parameter[1], "water"))
2102                                                 shader.surfaceparms |= Q3SURFACEPARM_WATER;
2103                                         else if (!strcasecmp(parameter[1], "pointlight"))
2104                                                 shader.surfaceparms |= Q3SURFACEPARM_POINTLIGHT;
2105                                         else if (!strcasecmp(parameter[1], "antiportal"))
2106                                                 shader.surfaceparms |= Q3SURFACEPARM_ANTIPORTAL;
2107                                         else
2108                                         {
2109                                                 // try custom surfaceparms
2110                                                 for (j = 0; j < numcustsurfaceparms; j++)
2111                                                 {
2112                                                         if (!strcasecmp(custsurfaceparmnames[j], parameter[1]))
2113                                                         {
2114                                                                 shader.surfaceparms |= custsurfaceparms[j];
2115                                                                 break;
2116                                                         }
2117                                                 }
2118                                                 // failed all
2119                                                 if (j == numcustsurfaceparms)
2120                                                         Con_DPrintf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[fileindex], parameter[1]);
2121                                         }
2122                                 }
2123                                 else if (!strcasecmp(parameter[0], "dpshadow"))
2124                                         shader.dpshadow = true;
2125                                 else if (!strcasecmp(parameter[0], "dpnoshadow"))
2126                                         shader.dpnoshadow = true;
2127                                 else if (!strcasecmp(parameter[0], "dpnortlight"))
2128                                         shader.dpnortlight = true;
2129                                 else if (!strcasecmp(parameter[0], "dpreflectcube"))
2130                                         strlcpy(shader.dpreflectcube, parameter[1], sizeof(shader.dpreflectcube));
2131                                 else if (!strcasecmp(parameter[0], "dpmeshcollisions"))
2132                                         shader.dpmeshcollisions = true;
2133                                 // this sets dpshaderkill to true if dpshaderkillifcvarzero was used, and to false if dpnoshaderkillifcvarzero was used
2134                                 else if (((dpshaderkill = !strcasecmp(parameter[0], "dpshaderkillifcvarzero")) || !strcasecmp(parameter[0], "dpnoshaderkillifcvarzero")) && numparameters >= 2)
2135                                 {
2136                                         if (Cvar_VariableValue(parameter[1]) == 0.0f)
2137                                                 shader.dpshaderkill = dpshaderkill;
2138                                 }
2139                                 // this sets dpshaderkill to true if dpshaderkillifcvar was used, and to false if dpnoshaderkillifcvar was used
2140                                 else if (((dpshaderkill = !strcasecmp(parameter[0], "dpshaderkillifcvar")) || !strcasecmp(parameter[0], "dpnoshaderkillifcvar")) && numparameters >= 2)
2141                                 {
2142                                         const char *op = NULL;
2143                                         if (numparameters >= 3)
2144                                                 op = parameter[2];
2145                                         if(!op)
2146                                         {
2147                                                 if (Cvar_VariableValue(parameter[1]) != 0.0f)
2148                                                         shader.dpshaderkill = dpshaderkill;
2149                                         }
2150                                         else if (numparameters >= 4 && !strcmp(op, "=="))
2151                                         {
2152                                                 if (Cvar_VariableValue(parameter[1]) == atof(parameter[3]))
2153                                                         shader.dpshaderkill = dpshaderkill;
2154                                         }
2155                                         else if (numparameters >= 4 && !strcmp(op, "!="))
2156                                         {
2157                                                 if (Cvar_VariableValue(parameter[1]) != atof(parameter[3]))
2158                                                         shader.dpshaderkill = dpshaderkill;
2159                                         }
2160                                         else if (numparameters >= 4 && !strcmp(op, ">"))
2161                                         {
2162                                                 if (Cvar_VariableValue(parameter[1]) > atof(parameter[3]))
2163                                                         shader.dpshaderkill = dpshaderkill;
2164                                         }
2165                                         else if (numparameters >= 4 && !strcmp(op, "<"))
2166                                         {
2167                                                 if (Cvar_VariableValue(parameter[1]) < atof(parameter[3]))
2168                                                         shader.dpshaderkill = dpshaderkill;
2169                                         }
2170                                         else if (numparameters >= 4 && !strcmp(op, ">="))
2171                                         {
2172                                                 if (Cvar_VariableValue(parameter[1]) >= atof(parameter[3]))
2173                                                         shader.dpshaderkill = dpshaderkill;
2174                                         }
2175                                         else if (numparameters >= 4 && !strcmp(op, "<="))
2176                                         {
2177                                                 if (Cvar_VariableValue(parameter[1]) <= atof(parameter[3]))
2178                                                         shader.dpshaderkill = dpshaderkill;
2179                                         }
2180                                         else
2181                                         {
2182                                                 Con_DPrintf("%s parsing warning: unknown dpshaderkillifcvar op \"%s\", or not enough arguments\n", search->filenames[fileindex], op);
2183                                         }
2184                                 }
2185                                 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
2186                                 {
2187                                         // some q3 skies don't have the sky parm set
2188                                         shader.surfaceparms |= Q3SURFACEPARM_SKY;
2189                                         strlcpy(shader.skyboxname, parameter[1], sizeof(shader.skyboxname));
2190                                 }
2191                                 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
2192                                 {
2193                                         // some q3 skies don't have the sky parm set
2194                                         shader.surfaceparms |= Q3SURFACEPARM_SKY;
2195                                         if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
2196                                                 strlcpy(shader.skyboxname, parameter[1], sizeof(shader.skyboxname));
2197                                 }
2198                                 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
2199                                 {
2200                                         if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
2201                                                 shader.textureflags |= Q3TEXTUREFLAG_TWOSIDED;
2202                                 }
2203                                 else if (!strcasecmp(parameter[0], "nomipmaps"))
2204                                         shader.surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
2205                                 else if (!strcasecmp(parameter[0], "nopicmip"))
2206                                         shader.textureflags |= Q3TEXTUREFLAG_NOPICMIP;
2207                                 else if (!strcasecmp(parameter[0], "polygonoffset"))
2208                                         shader.textureflags |= Q3TEXTUREFLAG_POLYGONOFFSET;
2209                                 else if (!strcasecmp(parameter[0], "dppolygonoffset"))
2210                                 {
2211                                         shader.textureflags |= Q3TEXTUREFLAG_POLYGONOFFSET;
2212                                         if(numparameters >= 2)
2213                                         {
2214                                                 shader.biaspolygonfactor = atof(parameter[1]);
2215                                                 if(numparameters >= 3)
2216                                                         shader.biaspolygonoffset = atof(parameter[2]);
2217                                                 else
2218                                                         shader.biaspolygonoffset = 0;
2219                                         }
2220                                 }
2221                                 else if (!strcasecmp(parameter[0], "dprefract") && numparameters >= 5)
2222                                 {
2223                                         shader.textureflags |= Q3TEXTUREFLAG_REFRACTION;
2224                                         shader.refractfactor = atof(parameter[1]);
2225                                         Vector4Set(shader.refractcolor4f, atof(parameter[2]), atof(parameter[3]), atof(parameter[4]), 1);
2226                                 }
2227                                 else if (!strcasecmp(parameter[0], "dpreflect") && numparameters >= 6)
2228                                 {
2229                                         shader.textureflags |= Q3TEXTUREFLAG_REFLECTION;
2230                                         shader.reflectfactor = atof(parameter[1]);
2231                                         Vector4Set(shader.reflectcolor4f, atof(parameter[2]), atof(parameter[3]), atof(parameter[4]), atof(parameter[5]));
2232                                 }
2233                                 else if (!strcasecmp(parameter[0], "dpcamera"))
2234                                 {
2235                                         shader.textureflags |= Q3TEXTUREFLAG_CAMERA;
2236                                 }
2237                                 else if (!strcasecmp(parameter[0], "dpwater") && numparameters >= 12)
2238                                 {
2239                                         shader.textureflags |= Q3TEXTUREFLAG_WATERSHADER;
2240                                         shader.reflectmin = atof(parameter[1]);
2241                                         shader.reflectmax = atof(parameter[2]);
2242                                         shader.refractfactor = atof(parameter[3]);
2243                                         shader.reflectfactor = atof(parameter[4]);
2244                                         Vector4Set(shader.refractcolor4f, atof(parameter[5]), atof(parameter[6]), atof(parameter[7]), 1);
2245                                         Vector4Set(shader.reflectcolor4f, atof(parameter[8]), atof(parameter[9]), atof(parameter[10]), 1);
2246                                         shader.r_water_wateralpha = atof(parameter[11]);
2247                                 }
2248                                 else if (!strcasecmp(parameter[0], "dpwaterscroll") && numparameters >= 3)
2249                                 {
2250                                         shader.r_water_waterscroll[0] = 1/atof(parameter[1]);
2251                                         shader.r_water_waterscroll[1] = 1/atof(parameter[2]);
2252                                 }
2253                                 else if (!strcasecmp(parameter[0], "dpglossintensitymod") && numparameters >= 2)
2254                                 {
2255                                         shader.specularscalemod = atof(parameter[1]);
2256                                 }
2257                                 else if (!strcasecmp(parameter[0], "dpglossexponentmod") && numparameters >= 2)
2258                                 {
2259                                         shader.specularpowermod = atof(parameter[1]);
2260                                 }
2261                                 else if (!strcasecmp(parameter[0], "dprtlightambient") && numparameters >= 2)
2262                                 {
2263                                         shader.rtlightambient = atof(parameter[1]);
2264                                 }
2265                                 else if (!strcasecmp(parameter[0], "dpoffsetmapping") && numparameters >= 2)
2266                                 {
2267                                         if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "off"))
2268                                                 shader.offsetmapping = OFFSETMAPPING_OFF;
2269                                         else if (!strcasecmp(parameter[1], "default") || !strcasecmp(parameter[1], "normal"))
2270                                                 shader.offsetmapping = OFFSETMAPPING_DEFAULT;
2271                                         else if (!strcasecmp(parameter[1], "linear"))
2272                                                 shader.offsetmapping = OFFSETMAPPING_LINEAR;
2273                                         else if (!strcasecmp(parameter[1], "relief"))
2274                                                 shader.offsetmapping = OFFSETMAPPING_RELIEF;
2275                                         if (numparameters >= 3)
2276                                                 shader.offsetscale = atof(parameter[2]);
2277                                         if (numparameters >= 5)
2278                                         {
2279                                                 if(!strcasecmp(parameter[3], "bias"))
2280                                                         shader.offsetbias = atof(parameter[4]);
2281                                                 else if(!strcasecmp(parameter[3], "match"))
2282                                                         shader.offsetbias = 1.0f - atof(parameter[4]);
2283                                                 else if(!strcasecmp(parameter[3], "match8"))
2284                                                         shader.offsetbias = 1.0f - atof(parameter[4]) / 255.0f;
2285                                                 else if(!strcasecmp(parameter[3], "match16"))
2286                                                         shader.offsetbias = 1.0f - atof(parameter[4]) / 65535.0f;
2287                                         }
2288                                 }
2289                                 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
2290                                 {
2291                                         int i, deformindex;
2292                                         for (deformindex = 0;deformindex < Q3MAXDEFORMS;deformindex++)
2293                                                 if (!shader.deforms[deformindex].deform)
2294                                                         break;
2295                                         if (deformindex < Q3MAXDEFORMS)
2296                                         {
2297                                                 for (i = 0;i < numparameters - 2 && i < Q3DEFORM_MAXPARMS;i++)
2298                                                         shader.deforms[deformindex].parms[i] = atof(parameter[i+2]);
2299                                                      if (!strcasecmp(parameter[1], "projectionshadow")) shader.deforms[deformindex].deform = Q3DEFORM_PROJECTIONSHADOW;
2300                                                 else if (!strcasecmp(parameter[1], "autosprite"      )) shader.deforms[deformindex].deform = Q3DEFORM_AUTOSPRITE;
2301                                                 else if (!strcasecmp(parameter[1], "autosprite2"     )) shader.deforms[deformindex].deform = Q3DEFORM_AUTOSPRITE2;
2302                                                 else if (!strcasecmp(parameter[1], "text0"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT0;
2303                                                 else if (!strcasecmp(parameter[1], "text1"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT1;
2304                                                 else if (!strcasecmp(parameter[1], "text2"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT2;
2305                                                 else if (!strcasecmp(parameter[1], "text3"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT3;
2306                                                 else if (!strcasecmp(parameter[1], "text4"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT4;
2307                                                 else if (!strcasecmp(parameter[1], "text5"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT5;
2308                                                 else if (!strcasecmp(parameter[1], "text6"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT6;
2309                                                 else if (!strcasecmp(parameter[1], "text7"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT7;
2310                                                 else if (!strcasecmp(parameter[1], "bulge"           )) shader.deforms[deformindex].deform = Q3DEFORM_BULGE;
2311                                                 else if (!strcasecmp(parameter[1], "normal"          )) shader.deforms[deformindex].deform = Q3DEFORM_NORMAL;
2312                                                 else if (!strcasecmp(parameter[1], "wave"            ))
2313                                                 {
2314                                                         shader.deforms[deformindex].deform = Q3DEFORM_WAVE;
2315                                                         shader.deforms[deformindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[3]);
2316                                                         for (i = 0;i < numparameters - 4 && i < Q3WAVEPARMS;i++)
2317                                                                 shader.deforms[deformindex].waveparms[i] = atof(parameter[i+4]);
2318                                                 }
2319                                                 else if (!strcasecmp(parameter[1], "move"            ))
2320                                                 {
2321                                                         shader.deforms[deformindex].deform = Q3DEFORM_MOVE;
2322                                                         shader.deforms[deformindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[5]);
2323                                                         for (i = 0;i < numparameters - 6 && i < Q3WAVEPARMS;i++)
2324                                                                 shader.deforms[deformindex].waveparms[i] = atof(parameter[i+6]);
2325                                                 }
2326                                         }
2327                                 }
2328                         }
2329                         // hide this shader if a cvar said it should be killed
2330                         if (shader.dpshaderkill)
2331                                 shader.numlayers = 0;
2332                         // pick the primary layer to render with
2333                         if (shader.numlayers)
2334                         {
2335                                 shader.backgroundlayer = -1;
2336                                 shader.primarylayer = 0;
2337                                 // if lightmap comes first this is definitely an ordinary texture
2338                                 // if the first two layers have the correct blendfuncs and use vertex alpha, it is a blended terrain shader
2339                                 if ((shader.layers[shader.primarylayer].texturename != NULL)
2340                                   && !strcasecmp(shader.layers[shader.primarylayer].texturename[0], "$lightmap"))
2341                                 {
2342                                         shader.backgroundlayer = -1;
2343                                         shader.primarylayer = 1;
2344                                 }
2345                                 else if (shader.numlayers >= 2
2346                                 &&   shader.layers[1].alphagen.alphagen == Q3ALPHAGEN_VERTEX
2347                                 &&  (shader.layers[0].blendfunc[0] == GL_ONE       && shader.layers[0].blendfunc[1] == GL_ZERO                && !shader.layers[0].alphatest)
2348                                 && ((shader.layers[1].blendfunc[0] == GL_SRC_ALPHA && shader.layers[1].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
2349                                 ||  (shader.layers[1].blendfunc[0] == GL_ONE       && shader.layers[1].blendfunc[1] == GL_ZERO                &&  shader.layers[1].alphatest)))
2350                                 {
2351                                         // terrain blending or other effects
2352                                         shader.backgroundlayer = 0;
2353                                         shader.primarylayer = 1;
2354                                 }
2355                         }
2356                         // fix up multiple reflection types
2357                         if(shader.textureflags & Q3TEXTUREFLAG_WATERSHADER)
2358                                 shader.textureflags &= ~(Q3TEXTUREFLAG_REFRACTION | Q3TEXTUREFLAG_REFLECTION | Q3TEXTUREFLAG_CAMERA);
2359
2360                         Q3Shader_AddToHash (&shader);
2361                 }
2362                 Mem_Free(f);
2363         }
2364         FS_FreeSearch(search);
2365         // free custinfoparm values
2366         for (j = 0; j < numcustsurfaceparms; j++)
2367                 Mem_Free(custsurfaceparmnames[j]);
2368 }
2369
2370 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name)
2371 {
2372         unsigned short hash;
2373         q3shader_hash_entry_t* entry;
2374         if (!q3shaders_mem)
2375                 Mod_LoadQ3Shaders();
2376         hash = CRC_Block_CaseInsensitive ((const unsigned char *)name, strlen (name));
2377         entry = q3shader_data->hash + (hash % Q3SHADER_HASH_SIZE);
2378         while (entry != NULL)
2379         {
2380                 if (strcasecmp (entry->shader.name, name) == 0)
2381                         return &entry->shader;
2382                 entry = entry->chain;
2383         }
2384         return NULL;
2385 }
2386
2387 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags)
2388 {
2389         int j;
2390         int texflagsmask, texflagsor;
2391         qboolean success = true;
2392         q3shaderinfo_t *shader;
2393         if (!name)
2394                 name = "";
2395         strlcpy(texture->name, name, sizeof(texture->name));
2396         shader = name[0] ? Mod_LookupQ3Shader(name) : NULL;
2397
2398         texflagsmask = ~0;
2399         if(!(defaulttexflags & TEXF_PICMIP))
2400                 texflagsmask &= ~TEXF_PICMIP;
2401         if(!(defaulttexflags & TEXF_COMPRESS))
2402                 texflagsmask &= ~TEXF_COMPRESS;
2403         texflagsor = 0;
2404         if(defaulttexflags & TEXF_ISWORLD)
2405                 texflagsor |= TEXF_ISWORLD;
2406         if(defaulttexflags & TEXF_ISSPRITE)
2407                 texflagsor |= TEXF_ISSPRITE;
2408         // unless later loaded from the shader
2409         texture->offsetmapping = (mod_noshader_default_offsetmapping.value) ? OFFSETMAPPING_DEFAULT : OFFSETMAPPING_OFF;
2410         texture->offsetscale = 1;
2411         texture->offsetbias = 0;
2412         texture->specularscalemod = 1;
2413         texture->specularpowermod = 1;
2414         texture->rtlightambient = 0;
2415         // WHEN ADDING DEFAULTS HERE, REMEMBER TO SYNC TO SHADER LOADING ABOVE
2416         // HERE, AND Q1BSP LOADING
2417         // JUST GREP FOR "specularscalemod = 1".
2418
2419         if (shader)
2420         {
2421                 if (developer_loading.integer)
2422                         Con_Printf("%s: loaded shader for %s\n", loadmodel->name, name);
2423                 texture->surfaceparms = shader->surfaceparms;
2424
2425                 // allow disabling of picmip or compression by defaulttexflags
2426                 texture->textureflags = (shader->textureflags & texflagsmask) | texflagsor;
2427
2428                 if (shader->surfaceparms & Q3SURFACEPARM_SKY)
2429                 {
2430                         texture->basematerialflags = MATERIALFLAG_SKY | MATERIALFLAG_NOSHADOW;
2431                         if (shader->skyboxname[0])
2432                         {
2433                                 // quake3 seems to append a _ to the skybox name, so this must do so as well
2434                                 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", shader->skyboxname);
2435                         }
2436                 }
2437                 else if ((texture->surfaceflags & Q3SURFACEFLAG_NODRAW) || shader->numlayers == 0)
2438                         texture->basematerialflags = MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
2439                 else
2440                         texture->basematerialflags = MATERIALFLAG_WALL;
2441
2442                 if (shader->layers[0].alphatest)
2443                         texture->basematerialflags |= MATERIALFLAG_ALPHATEST | MATERIALFLAG_NOSHADOW;
2444                 if (shader->textureflags & Q3TEXTUREFLAG_TWOSIDED)
2445                         texture->basematerialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
2446                 if (shader->textureflags & Q3TEXTUREFLAG_POLYGONOFFSET)
2447                 {
2448                         texture->biaspolygonoffset += shader->biaspolygonoffset;
2449                         texture->biaspolygonfactor += shader->biaspolygonfactor;
2450                 }
2451                 if (shader->textureflags & Q3TEXTUREFLAG_REFRACTION)
2452                         texture->basematerialflags |= MATERIALFLAG_REFRACTION;
2453                 if (shader->textureflags & Q3TEXTUREFLAG_REFLECTION)
2454                         texture->basematerialflags |= MATERIALFLAG_REFLECTION;
2455                 if (shader->textureflags & Q3TEXTUREFLAG_WATERSHADER)
2456                         texture->basematerialflags |= MATERIALFLAG_WATERSHADER;
2457                 if (shader->textureflags & Q3TEXTUREFLAG_CAMERA)
2458                         texture->basematerialflags |= MATERIALFLAG_CAMERA;
2459                 texture->customblendfunc[0] = GL_ONE;
2460                 texture->customblendfunc[1] = GL_ZERO;
2461                 if (shader->numlayers > 0)
2462                 {
2463                         texture->customblendfunc[0] = shader->layers[0].blendfunc[0];
2464                         texture->customblendfunc[1] = shader->layers[0].blendfunc[1];
2465 /*
2466 Q3 shader blendfuncs actually used in the game (* = supported by DP)
2467 * additive               GL_ONE GL_ONE
2468 additive weird         GL_ONE GL_SRC_ALPHA
2469 additive weird 2       GL_ONE GL_ONE_MINUS_SRC_ALPHA
2470 * alpha                  GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA
2471 alpha inverse          GL_ONE_MINUS_SRC_ALPHA GL_SRC_ALPHA
2472 brighten               GL_DST_COLOR GL_ONE
2473 brighten               GL_ONE GL_SRC_COLOR
2474 brighten weird         GL_DST_COLOR GL_ONE_MINUS_DST_ALPHA
2475 brighten weird 2       GL_DST_COLOR GL_SRC_ALPHA
2476 * modulate               GL_DST_COLOR GL_ZERO
2477 * modulate               GL_ZERO GL_SRC_COLOR
2478 modulate inverse       GL_ZERO GL_ONE_MINUS_SRC_COLOR
2479 modulate inverse alpha GL_ZERO GL_SRC_ALPHA
2480 modulate weird inverse GL_ONE_MINUS_DST_COLOR GL_ZERO
2481 * modulate x2            GL_DST_COLOR GL_SRC_COLOR
2482 * no blend               GL_ONE GL_ZERO
2483 nothing                GL_ZERO GL_ONE
2484 */
2485                         // if not opaque, figure out what blendfunc to use
2486                         if (shader->layers[0].blendfunc[0] != GL_ONE || shader->layers[0].blendfunc[1] != GL_ZERO)
2487                         {
2488                                 if (shader->layers[0].blendfunc[0] == GL_ONE && shader->layers[0].blendfunc[1] == GL_ONE)
2489                                         texture->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2490                                 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE)
2491                                         texture->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2492                                 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
2493                                         texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2494                                 else
2495                                         texture->basematerialflags |= MATERIALFLAG_CUSTOMBLEND | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2496                         }
2497                 }
2498                 if (!shader->lighting)
2499                         texture->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
2500                 if (shader->primarylayer >= 0)
2501                 {
2502                         q3shaderinfo_layer_t* primarylayer = shader->layers + shader->primarylayer;
2503                         // copy over many primarylayer parameters
2504                         texture->rgbgen = primarylayer->rgbgen;
2505                         texture->alphagen = primarylayer->alphagen;
2506                         texture->tcgen = primarylayer->tcgen;
2507                         memcpy(texture->tcmods, primarylayer->tcmods, sizeof(texture->tcmods));
2508                         // load the textures
2509                         texture->numskinframes = primarylayer->numframes;
2510                         texture->skinframerate = primarylayer->framerate;
2511                         for (j = 0;j < primarylayer->numframes;j++)
2512                         {
2513                                 if(cls.state == ca_dedicated)
2514                                 {
2515                                         texture->skinframes[j] = NULL;
2516                                 }
2517                                 else if (!(texture->skinframes[j] = R_SkinFrame_LoadExternal(primarylayer->texturename[j], (primarylayer->texflags & texflagsmask) | texflagsor, false)))
2518                                 {
2519                                         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);
2520                                         texture->skinframes[j] = R_SkinFrame_LoadMissing();
2521                                 }
2522                         }
2523                 }
2524                 if (shader->backgroundlayer >= 0)
2525                 {
2526                         q3shaderinfo_layer_t* backgroundlayer = shader->layers + shader->backgroundlayer;
2527                         // copy over one secondarylayer parameter
2528                         memcpy(texture->backgroundtcmods, backgroundlayer->tcmods, sizeof(texture->backgroundtcmods));
2529                         // load the textures
2530                         texture->backgroundnumskinframes = backgroundlayer->numframes;
2531                         texture->backgroundskinframerate = backgroundlayer->framerate;
2532                         for (j = 0;j < backgroundlayer->numframes;j++)
2533                         {
2534                                 if(cls.state == ca_dedicated)
2535                                 {
2536                                         texture->skinframes[j] = NULL;
2537                                 }
2538                                 else if (!(texture->backgroundskinframes[j] = R_SkinFrame_LoadExternal(backgroundlayer->texturename[j], (backgroundlayer->texflags & texflagsmask) | texflagsor, false)))
2539                                 {
2540                                         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);
2541                                         texture->backgroundskinframes[j] = R_SkinFrame_LoadMissing();
2542                                 }
2543                         }
2544                 }
2545                 if (shader->dpshadow)
2546                         texture->basematerialflags &= ~MATERIALFLAG_NOSHADOW;
2547                 if (shader->dpnoshadow)
2548                         texture->basematerialflags |= MATERIALFLAG_NOSHADOW;
2549                 if (shader->dpnortlight)
2550                         texture->basematerialflags |= MATERIALFLAG_NORTLIGHT;
2551                 memcpy(texture->deforms, shader->deforms, sizeof(texture->deforms));
2552                 texture->reflectmin = shader->reflectmin;
2553                 texture->reflectmax = shader->reflectmax;
2554                 texture->refractfactor = shader->refractfactor;
2555                 Vector4Copy(shader->refractcolor4f, texture->refractcolor4f);
2556                 texture->reflectfactor = shader->reflectfactor;
2557                 Vector4Copy(shader->reflectcolor4f, texture->reflectcolor4f);
2558                 texture->r_water_wateralpha = shader->r_water_wateralpha;
2559                 Vector2Copy(shader->r_water_waterscroll, texture->r_water_waterscroll);
2560                 texture->offsetmapping = shader->offsetmapping;
2561                 texture->offsetscale = shader->offsetscale;
2562                 texture->offsetbias = shader->offsetbias;
2563                 texture->specularscalemod = shader->specularscalemod;
2564                 texture->specularpowermod = shader->specularpowermod;
2565                 texture->rtlightambient = shader->rtlightambient;
2566                 if (shader->dpreflectcube[0])
2567                         texture->reflectcubetexture = R_GetCubemap(shader->dpreflectcube);
2568
2569                 // set up default supercontents (on q3bsp this is overridden by the q3bsp loader)
2570                 texture->supercontents = SUPERCONTENTS_SOLID | SUPERCONTENTS_OPAQUE;
2571                 if (shader->surfaceparms & Q3SURFACEPARM_LAVA         ) texture->supercontents  = SUPERCONTENTS_LAVA         ;
2572                 if (shader->surfaceparms & Q3SURFACEPARM_SLIME        ) texture->supercontents  = SUPERCONTENTS_SLIME        ;
2573                 if (shader->surfaceparms & Q3SURFACEPARM_WATER        ) texture->supercontents  = SUPERCONTENTS_WATER        ;
2574                 if (shader->surfaceparms & Q3SURFACEPARM_NONSOLID     ) texture->supercontents  = 0                          ;
2575                 if (shader->surfaceparms & Q3SURFACEPARM_PLAYERCLIP   ) texture->supercontents  = SUPERCONTENTS_PLAYERCLIP   ;
2576                 if (shader->surfaceparms & Q3SURFACEPARM_BOTCLIP      ) texture->supercontents  = SUPERCONTENTS_MONSTERCLIP  ;
2577                 if (shader->surfaceparms & Q3SURFACEPARM_SKY          ) texture->supercontents  = SUPERCONTENTS_SKY          ;
2578
2579         //      if (shader->surfaceparms & Q3SURFACEPARM_ALPHASHADOW  ) texture->supercontents |= SUPERCONTENTS_ALPHASHADOW  ;
2580         //      if (shader->surfaceparms & Q3SURFACEPARM_AREAPORTAL   ) texture->supercontents |= SUPERCONTENTS_AREAPORTAL   ;
2581         //      if (shader->surfaceparms & Q3SURFACEPARM_CLUSTERPORTAL) texture->supercontents |= SUPERCONTENTS_CLUSTERPORTAL;
2582         //      if (shader->surfaceparms & Q3SURFACEPARM_DETAIL       ) texture->supercontents |= SUPERCONTENTS_DETAIL       ;
2583                 if (shader->surfaceparms & Q3SURFACEPARM_DONOTENTER   ) texture->supercontents |= SUPERCONTENTS_DONOTENTER   ;
2584         //      if (shader->surfaceparms & Q3SURFACEPARM_FOG          ) texture->supercontents |= SUPERCONTENTS_FOG          ;
2585                 if (shader->surfaceparms & Q3SURFACEPARM_LAVA         ) texture->supercontents |= SUPERCONTENTS_LAVA         ;
2586         //      if (shader->surfaceparms & Q3SURFACEPARM_LIGHTFILTER  ) texture->supercontents |= SUPERCONTENTS_LIGHTFILTER  ;
2587         //      if (shader->surfaceparms & Q3SURFACEPARM_METALSTEPS   ) texture->supercontents |= SUPERCONTENTS_METALSTEPS   ;
2588         //      if (shader->surfaceparms & Q3SURFACEPARM_NODAMAGE     ) texture->supercontents |= SUPERCONTENTS_NODAMAGE     ;
2589         //      if (shader->surfaceparms & Q3SURFACEPARM_NODLIGHT     ) texture->supercontents |= SUPERCONTENTS_NODLIGHT     ;
2590         //      if (shader->surfaceparms & Q3SURFACEPARM_NODRAW       ) texture->supercontents |= SUPERCONTENTS_NODRAW       ;
2591                 if (shader->surfaceparms & Q3SURFACEPARM_NODROP       ) texture->supercontents |= SUPERCONTENTS_NODROP       ;
2592         //      if (shader->surfaceparms & Q3SURFACEPARM_NOIMPACT     ) texture->supercontents |= SUPERCONTENTS_NOIMPACT     ;
2593         //      if (shader->surfaceparms & Q3SURFACEPARM_NOLIGHTMAP   ) texture->supercontents |= SUPERCONTENTS_NOLIGHTMAP   ;
2594         //      if (shader->surfaceparms & Q3SURFACEPARM_NOMARKS      ) texture->supercontents |= SUPERCONTENTS_NOMARKS      ;
2595         //      if (shader->surfaceparms & Q3SURFACEPARM_NOMIPMAPS    ) texture->supercontents |= SUPERCONTENTS_NOMIPMAPS    ;
2596                 if (shader->surfaceparms & Q3SURFACEPARM_NONSOLID     ) texture->supercontents &=~SUPERCONTENTS_SOLID        ;
2597         //      if (shader->surfaceparms & Q3SURFACEPARM_ORIGIN       ) texture->supercontents |= SUPERCONTENTS_ORIGIN       ;
2598                 if (shader->surfaceparms & Q3SURFACEPARM_PLAYERCLIP   ) texture->supercontents |= SUPERCONTENTS_PLAYERCLIP   ;
2599                 if (shader->surfaceparms & Q3SURFACEPARM_SKY          ) texture->supercontents |= SUPERCONTENTS_SKY          ;
2600         //      if (shader->surfaceparms & Q3SURFACEPARM_SLICK        ) texture->supercontents |= SUPERCONTENTS_SLICK        ;
2601                 if (shader->surfaceparms & Q3SURFACEPARM_SLIME        ) texture->supercontents |= SUPERCONTENTS_SLIME        ;
2602         //      if (shader->surfaceparms & Q3SURFACEPARM_STRUCTURAL   ) texture->supercontents |= SUPERCONTENTS_STRUCTURAL   ;
2603         //      if (shader->surfaceparms & Q3SURFACEPARM_TRANS        ) texture->supercontents |= SUPERCONTENTS_TRANS        ;
2604                 if (shader->surfaceparms & Q3SURFACEPARM_WATER        ) texture->supercontents |= SUPERCONTENTS_WATER        ;
2605         //      if (shader->surfaceparms & Q3SURFACEPARM_POINTLIGHT   ) texture->supercontents |= SUPERCONTENTS_POINTLIGHT   ;
2606         //      if (shader->surfaceparms & Q3SURFACEPARM_HINT         ) texture->supercontents |= SUPERCONTENTS_HINT         ;
2607         //      if (shader->surfaceparms & Q3SURFACEPARM_DUST         ) texture->supercontents |= SUPERCONTENTS_DUST         ;
2608                 if (shader->surfaceparms & Q3SURFACEPARM_BOTCLIP      ) texture->supercontents |= SUPERCONTENTS_BOTCLIP      | SUPERCONTENTS_MONSTERCLIP;
2609         //      if (shader->surfaceparms & Q3SURFACEPARM_LIGHTGRID    ) texture->supercontents |= SUPERCONTENTS_LIGHTGRID    ;
2610         //      if (shader->surfaceparms & Q3SURFACEPARM_ANTIPORTAL   ) texture->supercontents |= SUPERCONTENTS_ANTIPORTAL   ;
2611
2612                 if (shader->dpmeshcollisions)
2613                         texture->basematerialflags |= MATERIALFLAG_MESHCOLLISIONS;
2614                 if (shader->dpshaderkill && developer_extra.integer)
2615                         Con_DPrintf("^1%s:^7 killing shader ^3\"%s\" because of cvar\n", loadmodel->name, name);
2616         }
2617         else if (!strcmp(texture->name, "noshader") || !texture->name[0])
2618         {
2619                 if (developer_extra.integer)
2620                         Con_DPrintf("^1%s:^7 using fallback noshader material for ^3\"%s\"\n", loadmodel->name, name);
2621                 texture->surfaceparms = 0;
2622                 texture->supercontents = SUPERCONTENTS_SOLID | SUPERCONTENTS_OPAQUE;
2623         }
2624         else if (!strcmp(texture->name, "common/nodraw") || !strcmp(texture->name, "textures/common/nodraw"))
2625         {
2626                 if (developer_extra.integer)
2627                         Con_DPrintf("^1%s:^7 using fallback nodraw material for ^3\"%s\"\n", loadmodel->name, name);
2628                 texture->surfaceparms = 0;
2629                 texture->basematerialflags = MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
2630                 texture->supercontents = SUPERCONTENTS_SOLID;
2631         }
2632         else
2633         {
2634                 if (developer_extra.integer)
2635                         Con_DPrintf("^1%s:^7 No shader found for texture ^3\"%s\"\n", loadmodel->name, texture->name);
2636                 texture->surfaceparms = 0;
2637                 if (texture->surfaceflags & Q3SURFACEFLAG_NODRAW)
2638                 {
2639                         texture->basematerialflags |= MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
2640                         texture->supercontents = SUPERCONTENTS_SOLID;
2641                 }
2642                 else if (texture->surfaceflags & Q3SURFACEFLAG_SKY)
2643                 {
2644                         texture->basematerialflags |= MATERIALFLAG_SKY | MATERIALFLAG_NOSHADOW;
2645                         texture->supercontents = SUPERCONTENTS_SKY;
2646                 }
2647                 else
2648                 {
2649                         texture->basematerialflags |= MATERIALFLAG_WALL;
2650                         texture->supercontents = SUPERCONTENTS_SOLID | SUPERCONTENTS_OPAQUE;
2651                 }
2652                 texture->numskinframes = 1;
2653                 if(cls.state == ca_dedicated)
2654                 {
2655                         texture->skinframes[0] = NULL;
2656                         success = false;
2657                 }
2658                 else
2659                 {
2660                         if (fallback)
2661                         {
2662                                 if ((texture->skinframes[0] = R_SkinFrame_LoadExternal(texture->name, defaulttexflags, false)))
2663                                 {
2664                                         if(texture->skinframes[0]->hasalpha)
2665                                                 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2666                                 }
2667                                 else
2668                                         success = false;
2669                         }
2670                         else
2671                                 success = false;
2672                         if (!success && warnmissing)
2673                                 Con_Printf("^1%s:^7 could not load texture ^3\"%s\"\n", loadmodel->name, texture->name);
2674                 }
2675         }
2676         // init the animation variables
2677         texture->currentframe = texture;
2678         if (texture->numskinframes < 1)
2679                 texture->numskinframes = 1;
2680         if (!texture->skinframes[0])
2681                 texture->skinframes[0] = R_SkinFrame_LoadMissing();
2682         texture->currentskinframe = texture->skinframes[0];
2683         texture->backgroundcurrentskinframe = texture->backgroundskinframes[0];
2684         return success;
2685 }
2686
2687 skinfile_t *Mod_LoadSkinFiles(void)
2688 {
2689         int i, words, line, wordsoverflow;
2690         char *text;
2691         const char *data;
2692         skinfile_t *skinfile = NULL, *first = NULL;
2693         skinfileitem_t *skinfileitem;
2694         char word[10][MAX_QPATH];
2695
2696 /*
2697 sample file:
2698 U_bodyBox,models/players/Legoman/BikerA2.tga
2699 U_RArm,models/players/Legoman/BikerA1.tga
2700 U_LArm,models/players/Legoman/BikerA1.tga
2701 U_armor,common/nodraw
2702 U_sword,common/nodraw
2703 U_shield,common/nodraw
2704 U_homb,common/nodraw
2705 U_backpack,common/nodraw
2706 U_colcha,common/nodraw
2707 tag_head,
2708 tag_weapon,
2709 tag_torso,
2710 */
2711         memset(word, 0, sizeof(word));
2712         for (i = 0;i < 256 && (data = text = (char *)FS_LoadFile(va("%s_%i.skin", loadmodel->name, i), tempmempool, true, NULL));i++)
2713         {
2714                 // If it's the first file we parse
2715                 if (skinfile == NULL)
2716                 {
2717                         skinfile = (skinfile_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfile_t));
2718                         first = skinfile;
2719                 }
2720                 else
2721                 {
2722                         skinfile->next = (skinfile_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfile_t));
2723                         skinfile = skinfile->next;
2724                 }
2725                 skinfile->next = NULL;
2726
2727                 for(line = 0;;line++)
2728                 {
2729                         // parse line
2730                         if (!COM_ParseToken_QuakeC(&data, true))
2731                                 break;
2732                         if (!strcmp(com_token, "\n"))
2733                                 continue;
2734                         words = 0;
2735                         wordsoverflow = false;
2736                         do
2737                         {
2738                                 if (words < 10)
2739                                         strlcpy(word[words++], com_token, sizeof (word[0]));
2740                                 else
2741                                         wordsoverflow = true;
2742                         }
2743                         while (COM_ParseToken_QuakeC(&data, true) && strcmp(com_token, "\n"));
2744                         if (wordsoverflow)
2745                         {
2746                                 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);
2747                                 continue;
2748                         }
2749                         // words is always >= 1
2750                         if (!strcmp(word[0], "replace"))
2751                         {
2752                                 if (words == 3)
2753                                 {
2754                                         if (developer_loading.integer)
2755                                                 Con_Printf("Mod_LoadSkinFiles: parsed mesh \"%s\" shader replacement \"%s\"\n", word[1], word[2]);
2756                                         skinfileitem = (skinfileitem_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfileitem_t));
2757                                         skinfileitem->next = skinfile->items;
2758                                         skinfile->items = skinfileitem;
2759                                         strlcpy (skinfileitem->name, word[1], sizeof (skinfileitem->name));
2760                                         strlcpy (skinfileitem->replacement, word[2], sizeof (skinfileitem->replacement));
2761                                 }
2762                                 else
2763                                         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]);
2764                         }
2765                         else if (words >= 2 && !strncmp(word[0], "tag_", 4))
2766                         {
2767                                 // tag name, like "tag_weapon,"
2768                                 // not used for anything (not even in Quake3)
2769                         }
2770                         else if (words >= 2 && !strcmp(word[1], ","))
2771                         {
2772                                 // mesh shader name, like "U_RArm,models/players/Legoman/BikerA1.tga"
2773                                 if (developer_loading.integer)
2774                                         Con_Printf("Mod_LoadSkinFiles: parsed mesh \"%s\" shader replacement \"%s\"\n", word[0], word[2]);
2775                                 skinfileitem = (skinfileitem_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfileitem_t));
2776                                 skinfileitem->next = skinfile->items;
2777                                 skinfile->items = skinfileitem;
2778                                 strlcpy (skinfileitem->name, word[0], sizeof (skinfileitem->name));
2779                                 strlcpy (skinfileitem->replacement, word[2], sizeof (skinfileitem->replacement));
2780                         }
2781                         else
2782                                 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);
2783                 }
2784                 Mem_Free(text);
2785         }
2786         if (i)
2787                 loadmodel->numskins = i;
2788         return first;
2789 }
2790
2791 void Mod_FreeSkinFiles(skinfile_t *skinfile)
2792 {
2793         skinfile_t *next;
2794         skinfileitem_t *skinfileitem, *nextitem;
2795         for (;skinfile;skinfile = next)
2796         {
2797                 next = skinfile->next;
2798                 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = nextitem)
2799                 {
2800                         nextitem = skinfileitem->next;
2801                         Mem_Free(skinfileitem);
2802                 }
2803                 Mem_Free(skinfile);
2804         }
2805 }
2806
2807 int Mod_CountSkinFiles(skinfile_t *skinfile)
2808 {
2809         int i;
2810         for (i = 0;skinfile;skinfile = skinfile->next, i++);
2811         return i;
2812 }
2813
2814 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap)
2815 {
2816         int i;
2817         double isnap = 1.0 / snap;
2818         for (i = 0;i < numvertices*numcomponents;i++)
2819                 vertices[i] = floor(vertices[i]*isnap)*snap;
2820 }
2821
2822 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f)
2823 {
2824         int i, outtriangles;
2825         float edgedir1[3], edgedir2[3], temp[3];
2826         // a degenerate triangle is one with no width (thickness, surface area)
2827         // these are characterized by having all 3 points colinear (along a line)
2828         // or having two points identical
2829         // the simplest check is to calculate the triangle's area
2830         for (i = 0, outtriangles = 0;i < numtriangles;i++, inelement3i += 3)
2831         {
2832                 // calculate first edge
2833                 VectorSubtract(vertex3f + inelement3i[1] * 3, vertex3f + inelement3i[0] * 3, edgedir1);
2834                 VectorSubtract(vertex3f + inelement3i[2] * 3, vertex3f + inelement3i[0] * 3, edgedir2);
2835                 CrossProduct(edgedir1, edgedir2, temp);
2836                 if (VectorLength2(temp) < 0.001f)
2837                         continue; // degenerate triangle (no area)
2838                 // valid triangle (has area)
2839                 VectorCopy(inelement3i, outelement3i);
2840                 outelement3i += 3;
2841                 outtriangles++;
2842         }
2843         return outtriangles;
2844 }
2845
2846 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer)
2847 {
2848         int i, e;
2849         int firstvertex, lastvertex;
2850         if (numelements > 0 && elements)
2851         {
2852                 firstvertex = lastvertex = elements[0];
2853                 for (i = 1;i < numelements;i++)
2854                 {
2855                         e = elements[i];
2856                         firstvertex = min(firstvertex, e);
2857                         lastvertex = max(lastvertex, e);
2858                 }
2859         }
2860         else
2861                 firstvertex = lastvertex = 0;
2862         if (firstvertexpointer)
2863                 *firstvertexpointer = firstvertex;
2864         if (lastvertexpointer)
2865                 *lastvertexpointer = lastvertex;
2866 }
2867
2868 void Mod_MakeSortedSurfaces(dp_model_t *mod)
2869 {
2870         // make an optimal set of texture-sorted batches to draw...
2871         int j, t;
2872         int *firstsurfacefortexture;
2873         int *numsurfacesfortexture;
2874         if (!mod->sortedmodelsurfaces)
2875                 mod->sortedmodelsurfaces = (int *) Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->sortedmodelsurfaces));
2876         firstsurfacefortexture = (int *) Mem_Alloc(tempmempool, mod->num_textures * sizeof(*firstsurfacefortexture));
2877         numsurfacesfortexture = (int *) Mem_Alloc(tempmempool, mod->num_textures * sizeof(*numsurfacesfortexture));
2878         memset(numsurfacesfortexture, 0, mod->num_textures * sizeof(*numsurfacesfortexture));
2879         for (j = 0;j < mod->nummodelsurfaces;j++)
2880         {
2881                 const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
2882                 int t = (int)(surface->texture - mod->data_textures);
2883                 numsurfacesfortexture[t]++;
2884         }
2885         j = 0;
2886         for (t = 0;t < mod->num_textures;t++)
2887         {
2888                 firstsurfacefortexture[t] = j;
2889                 j += numsurfacesfortexture[t];
2890         }
2891         for (j = 0;j < mod->nummodelsurfaces;j++)
2892         {
2893                 const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
2894                 int t = (int)(surface->texture - mod->data_textures);
2895                 mod->sortedmodelsurfaces[firstsurfacefortexture[t]++] = j + mod->firstmodelsurface;
2896         }
2897         Mem_Free(firstsurfacefortexture);
2898         Mem_Free(numsurfacesfortexture);
2899 }
2900
2901 void Mod_BuildVBOs(void)
2902 {
2903         if (!loadmodel->surfmesh.num_vertices)
2904                 return;
2905
2906         if (gl_paranoid.integer && loadmodel->surfmesh.data_element3s && loadmodel->surfmesh.data_element3i)
2907         {
2908                 int i;
2909                 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
2910                 {
2911                         if (loadmodel->surfmesh.data_element3s[i] != loadmodel->surfmesh.data_element3i[i])
2912                         {
2913                                 Con_Printf("Mod_BuildVBOs: element %u is incorrect (%u should be %u)\n", i, loadmodel->surfmesh.data_element3s[i], loadmodel->surfmesh.data_element3i[i]);
2914                                 loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
2915                         }
2916                 }
2917         }
2918
2919         // build r_vertexmesh_t array
2920         // (compressed interleaved array for D3D)
2921         if (!loadmodel->surfmesh.vertexmesh && vid.useinterleavedarrays)
2922         {
2923                 int vertexindex;
2924                 int numvertices = loadmodel->surfmesh.num_vertices;
2925                 r_vertexmesh_t *vertexmesh;
2926                 loadmodel->surfmesh.vertexmesh = vertexmesh = (r_vertexmesh_t*)Mem_Alloc(loadmodel->mempool, numvertices * sizeof(*loadmodel->surfmesh.vertexmesh));
2927                 for (vertexindex = 0;vertexindex < numvertices;vertexindex++, vertexmesh++)
2928                 {
2929                         VectorCopy(loadmodel->surfmesh.data_vertex3f + 3*vertexindex, vertexmesh->vertex3f);
2930                         VectorScale(loadmodel->surfmesh.data_svector3f + 3*vertexindex, 1.0f, vertexmesh->svector3f);
2931                         VectorScale(loadmodel->surfmesh.data_tvector3f + 3*vertexindex, 1.0f, vertexmesh->tvector3f);
2932                         VectorScale(loadmodel->surfmesh.data_normal3f + 3*vertexindex, 1.0f, vertexmesh->normal3f);
2933                         if (loadmodel->surfmesh.data_lightmapcolor4f)
2934                                 Vector4Copy(loadmodel->surfmesh.data_lightmapcolor4f + 4*vertexindex, vertexmesh->color4f);
2935                         Vector2Copy(loadmodel->surfmesh.data_texcoordtexture2f + 2*vertexindex, vertexmesh->texcoordtexture2f);
2936                         if (loadmodel->surfmesh.data_texcoordlightmap2f)
2937                                 Vector2Scale(loadmodel->surfmesh.data_texcoordlightmap2f + 2*vertexindex, 1.0f, vertexmesh->texcoordlightmap2f);
2938                 }
2939         }
2940
2941         // upload r_vertexmesh_t array as a buffer
2942         if (loadmodel->surfmesh.vertexmesh && !loadmodel->surfmesh.vertexmeshbuffer)
2943                 loadmodel->surfmesh.vertexmeshbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.vertexmesh, loadmodel->surfmesh.num_vertices * sizeof(*loadmodel->surfmesh.vertexmesh), loadmodel->name, false, false, false);
2944
2945         // upload vertex3f array as a buffer
2946         if (loadmodel->surfmesh.data_vertex3f && !loadmodel->surfmesh.vertex3fbuffer)
2947                 loadmodel->surfmesh.vertex3fbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.num_vertices * sizeof(float[3]), loadmodel->name, false, false, false);
2948
2949         // upload short indices as a buffer
2950         if (loadmodel->surfmesh.data_element3s && !loadmodel->surfmesh.data_element3s_indexbuffer)
2951                 loadmodel->surfmesh.data_element3s_indexbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_element3s, loadmodel->surfmesh.num_triangles * sizeof(short[3]), loadmodel->name, true, false, true);
2952
2953         // upload int indices as a buffer
2954         if (loadmodel->surfmesh.data_element3i && !loadmodel->surfmesh.data_element3i_indexbuffer && !loadmodel->surfmesh.data_element3s)
2955                 loadmodel->surfmesh.data_element3i_indexbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles * sizeof(int[3]), loadmodel->name, true, false, false);
2956
2957         // only build a vbo if one has not already been created (this is important for brush models which load specially)
2958         // vertex buffer is several arrays and we put them in the same buffer
2959         //
2960         // is this wise?  the texcoordtexture2f array is used with dynamic
2961         // vertex/svector/tvector/normal when rendering animated models, on the
2962         // other hand animated models don't use a lot of vertices anyway...
2963         if (!loadmodel->surfmesh.vbo_vertexbuffer && !vid.useinterleavedarrays)
2964         {
2965                 size_t size;
2966                 unsigned char *mem;
2967                 size = 0;
2968                 loadmodel->surfmesh.vbooffset_vertex3f           = size;if (loadmodel->surfmesh.data_vertex3f          ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2969                 loadmodel->surfmesh.vbooffset_svector3f          = size;if (loadmodel->surfmesh.data_svector3f         ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2970                 loadmodel->surfmesh.vbooffset_tvector3f          = size;if (loadmodel->surfmesh.data_tvector3f         ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2971                 loadmodel->surfmesh.vbooffset_normal3f           = size;if (loadmodel->surfmesh.data_normal3f          ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2972                 loadmodel->surfmesh.vbooffset_texcoordtexture2f  = size;if (loadmodel->surfmesh.data_texcoordtexture2f ) size += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
2973                 loadmodel->surfmesh.vbooffset_texcoordlightmap2f = size;if (loadmodel->surfmesh.data_texcoordlightmap2f) size += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
2974                 loadmodel->surfmesh.vbooffset_lightmapcolor4f    = size;if (loadmodel->surfmesh.data_lightmapcolor4f   ) size += loadmodel->surfmesh.num_vertices * sizeof(float[4]);
2975                 mem = (unsigned char *)Mem_Alloc(tempmempool, size);
2976                 if (loadmodel->surfmesh.data_vertex3f          ) memcpy(mem + loadmodel->surfmesh.vbooffset_vertex3f          , loadmodel->surfmesh.data_vertex3f          , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2977                 if (loadmodel->surfmesh.data_svector3f         ) memcpy(mem + loadmodel->surfmesh.vbooffset_svector3f         , loadmodel->surfmesh.data_svector3f         , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2978                 if (loadmodel->surfmesh.data_tvector3f         ) memcpy(mem + loadmodel->surfmesh.vbooffset_tvector3f         , loadmodel->surfmesh.data_tvector3f         , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2979                 if (loadmodel->surfmesh.data_normal3f          ) memcpy(mem + loadmodel->surfmesh.vbooffset_normal3f          , loadmodel->surfmesh.data_normal3f          , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2980                 if (loadmodel->surfmesh.data_texcoordtexture2f ) memcpy(mem + loadmodel->surfmesh.vbooffset_texcoordtexture2f , loadmodel->surfmesh.data_texcoordtexture2f , loadmodel->surfmesh.num_vertices * sizeof(float[2]));
2981                 if (loadmodel->surfmesh.data_texcoordlightmap2f) memcpy(mem + loadmodel->surfmesh.vbooffset_texcoordlightmap2f, loadmodel->surfmesh.data_texcoordlightmap2f, loadmodel->surfmesh.num_vertices * sizeof(float[2]));
2982                 if (loadmodel->surfmesh.data_lightmapcolor4f   ) memcpy(mem + loadmodel->surfmesh.vbooffset_lightmapcolor4f   , loadmodel->surfmesh.data_lightmapcolor4f   , loadmodel->surfmesh.num_vertices * sizeof(float[4]));
2983                 loadmodel->surfmesh.vbo_vertexbuffer = R_Mesh_CreateMeshBuffer(mem, size, loadmodel->name, false, false, false);
2984                 Mem_Free(mem);
2985         }
2986 }
2987
2988 static void Mod_Decompile_OBJ(dp_model_t *model, const char *filename, const char *mtlfilename, const char *originalfilename)
2989 {
2990         int submodelindex, vertexindex, surfaceindex, triangleindex, textureindex, countvertices = 0, countsurfaces = 0, countfaces = 0, counttextures = 0;
2991         int a, b, c;
2992         const char *texname;
2993         const int *e;
2994         const float *v, *vn, *vt;
2995         size_t l;
2996         size_t outbufferpos = 0;
2997         size_t outbuffermax = 0x100000;
2998         char *outbuffer = (char *) Z_Malloc(outbuffermax), *oldbuffer;
2999         const msurface_t *surface;
3000         const int maxtextures = 256;
3001         char *texturenames = (char *) Z_Malloc(maxtextures * MAX_QPATH);
3002         dp_model_t *submodel;
3003
3004         // construct the mtllib file
3005         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "# mtllib for %s exported by darkplaces engine\n", originalfilename);
3006         if (l > 0)
3007                 outbufferpos += l;
3008         for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->num_surfaces;surfaceindex++, surface++)
3009         {
3010                 countsurfaces++;
3011                 countvertices += surface->num_vertices;
3012                 countfaces += surface->num_triangles;
3013                 texname = (surface->texture && surface->texture->name[0]) ? surface->texture->name : "default";
3014                 for (textureindex = 0;textureindex < counttextures;textureindex++)
3015                         if (!strcmp(texturenames + textureindex * MAX_QPATH, texname))
3016                                 break;
3017                 if (textureindex < counttextures)
3018                         continue; // already wrote this material entry
3019                 if (textureindex >= maxtextures)
3020                         continue; // just a precaution
3021                 textureindex = counttextures++;
3022                 strlcpy(texturenames + textureindex * MAX_QPATH, texname, MAX_QPATH);
3023                 if (outbufferpos >= outbuffermax >> 1)
3024                 {
3025                         outbuffermax *= 2;
3026                         oldbuffer = outbuffer;
3027                         outbuffer = (char *) Z_Malloc(outbuffermax);
3028                         memcpy(outbuffer, oldbuffer, outbufferpos);
3029                         Z_Free(oldbuffer);
3030                 }
3031                 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");
3032                 if (l > 0)
3033                         outbufferpos += l;
3034         }
3035
3036         // write the mtllib file
3037         FS_WriteFile(mtlfilename, outbuffer, outbufferpos);
3038
3039         // construct the obj file
3040         outbufferpos = 0;
3041         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);
3042         if (l > 0)
3043                 outbufferpos += l;
3044
3045         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)
3046         {
3047                 if (outbufferpos >= outbuffermax >> 1)
3048                 {
3049                         outbuffermax *= 2;
3050                         oldbuffer = outbuffer;
3051                         outbuffer = (char *) Z_Malloc(outbuffermax);
3052                         memcpy(outbuffer, oldbuffer, outbufferpos);
3053                         Z_Free(oldbuffer);
3054                 }
3055                 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]);
3056                 if (l > 0)
3057                         outbufferpos += l;
3058         }
3059
3060         for (submodelindex = 0;submodelindex < max(1, model->brush.numsubmodels);submodelindex++)
3061         {
3062                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "o %i\n", submodelindex);
3063                 if (l > 0)
3064                         outbufferpos += l;
3065                 submodel = model->brush.numsubmodels ? model->brush.submodels[submodelindex] : model;
3066                 for (surfaceindex = 0;surfaceindex < submodel->nummodelsurfaces;surfaceindex++)
3067                 {
3068                         surface = model->data_surfaces + submodel->sortedmodelsurfaces[surfaceindex];
3069                         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "usemtl %s\n", (surface->texture && surface->texture->name[0]) ? surface->texture->name : "default");
3070                         if (l > 0)
3071                                 outbufferpos += l;
3072                         for (triangleindex = 0, e = model->surfmesh.data_element3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
3073                         {
3074                                 if (outbufferpos >= outbuffermax >> 1)
3075                                 {
3076                                         outbuffermax *= 2;
3077                                         oldbuffer = outbuffer;
3078                                         outbuffer = (char *) Z_Malloc(outbuffermax);
3079                                         memcpy(outbuffer, oldbuffer, outbufferpos);
3080                                         Z_Free(oldbuffer);
3081                                 }
3082                                 a = e[0]+1;
3083                                 b = e[1]+1;
3084                                 c = e[2]+1;
3085                                 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);
3086                                 if (l > 0)
3087                                         outbufferpos += l;
3088                         }
3089                 }
3090         }
3091
3092         // write the obj file
3093         FS_WriteFile(filename, outbuffer, outbufferpos);
3094
3095         // clean up
3096         Z_Free(outbuffer);
3097         Z_Free(texturenames);
3098
3099         // print some stats
3100         Con_Printf("Wrote %s (%i bytes, %i vertices, %i faces, %i surfaces with %i distinct textures)\n", filename, (int)outbufferpos, countvertices, countfaces, countsurfaces, counttextures);
3101 }
3102
3103 static void Mod_Decompile_SMD(dp_model_t *model, const char *filename, int firstpose, int numposes, qboolean writetriangles)
3104 {
3105         int countnodes = 0, counttriangles = 0, countframes = 0;
3106         int surfaceindex;
3107         int triangleindex;
3108         int transformindex;
3109         int poseindex;
3110         int cornerindex;
3111         const int *e;
3112         size_t l;
3113         size_t outbufferpos = 0;
3114         size_t outbuffermax = 0x100000;
3115         char *outbuffer = (char *) Z_Malloc(outbuffermax), *oldbuffer;
3116         const msurface_t *surface;
3117         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "version 1\nnodes\n");
3118         if (l > 0)
3119                 outbufferpos += l;
3120         for (transformindex = 0;transformindex < model->num_bones;transformindex++)
3121         {
3122                 if (outbufferpos >= outbuffermax >> 1)
3123                 {
3124                         outbuffermax *= 2;
3125                         oldbuffer = outbuffer;
3126                         outbuffer = (char *) Z_Malloc(outbuffermax);
3127                         memcpy(outbuffer, oldbuffer, outbufferpos);
3128                         Z_Free(oldbuffer);
3129                 }
3130                 countnodes++;
3131                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i \"%s\" %3i\n", transformindex, model->data_bones[transformindex].name, model->data_bones[transformindex].parent);
3132                 if (l > 0)
3133                         outbufferpos += l;
3134         }
3135         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\nskeleton\n");
3136         if (l > 0)
3137                 outbufferpos += l;
3138         for (poseindex = 0;poseindex < numposes;poseindex++)
3139         {
3140                 countframes++;
3141                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "time %i\n", poseindex);
3142                 if (l > 0)
3143                         outbufferpos += l;
3144                 for (transformindex = 0;transformindex < model->num_bones;transformindex++)
3145                 {
3146                         float angles[3];
3147                         float mtest[4][3];
3148                         matrix4x4_t posematrix;
3149                         if (outbufferpos >= outbuffermax >> 1)
3150                         {
3151                                 outbuffermax *= 2;
3152                                 oldbuffer = outbuffer;
3153                                 outbuffer = (char *) Z_Malloc(outbuffermax);
3154                                 memcpy(outbuffer, oldbuffer, outbufferpos);
3155                                 Z_Free(oldbuffer);
3156                         }
3157
3158                         // strangely the smd angles are for a transposed matrix, so we
3159                         // have to generate a transposed matrix, then convert that...
3160                         Matrix4x4_FromBonePose6s(&posematrix, model->num_posescale, model->data_poses6s + 6*(model->num_bones * poseindex + transformindex));
3161                         Matrix4x4_ToArray12FloatGL(&posematrix, mtest[0]);
3162                         AnglesFromVectors(angles, mtest[0], mtest[2], false);
3163                         if (angles[0] >= 180) angles[0] -= 360;
3164                         if (angles[1] >= 180) angles[1] -= 360;
3165                         if (angles[2] >= 180) angles[2] -= 360;
3166
3167 #if 0
3168 {
3169                         float a = DEG2RAD(angles[ROLL]);
3170                         float b = DEG2RAD(angles[PITCH]);
3171                         float c = DEG2RAD(angles[YAW]);
3172                         float cy, sy, cp, sp, cr, sr;
3173                         float test[4][3];
3174                         // smd matrix construction, for comparing
3175                         sy = sin(c);
3176                         cy = cos(c);
3177                         sp = sin(b);
3178                         cp = cos(b);
3179                         sr = sin(a);
3180                         cr = cos(a);
3181
3182                         test[0][0] = cp*cy;
3183                         test[0][1] = cp*sy;
3184                         test[0][2] = -sp;
3185                         test[1][0] = sr*sp*cy+cr*-sy;
3186                         test[1][1] = sr*sp*sy+cr*cy;
3187                         test[1][2] = sr*cp;
3188                         test[2][0] = (cr*sp*cy+-sr*-sy);
3189                         test[2][1] = (cr*sp*sy+-sr*cy);
3190                         test[2][2] = cr*cp;
3191                         test[3][0] = pose[9];
3192                         test[3][1] = pose[10];
3193                         test[3][2] = pose[11];
3194 }
3195 #endif
3196                         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]));
3197                         if (l > 0)
3198                                 outbufferpos += l;
3199                 }
3200         }
3201         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\n");
3202         if (l > 0)
3203                 outbufferpos += l;
3204         if (writetriangles)
3205         {
3206                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "triangles\n");
3207                 if (l > 0)
3208                         outbufferpos += l;
3209                 for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->num_surfaces;surfaceindex++, surface++)
3210                 {
3211                         for (triangleindex = 0, e = model->surfmesh.data_element3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
3212                         {
3213                                 counttriangles++;
3214                                 if (outbufferpos >= outbuffermax >> 1)
3215                                 {
3216                                         outbuffermax *= 2;
3217                                         oldbuffer = outbuffer;
3218                                         outbuffer = (char *) Z_Malloc(outbuffermax);
3219                                         memcpy(outbuffer, oldbuffer, outbufferpos);
3220                                         Z_Free(oldbuffer);
3221                                 }
3222                                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%s\n", surface->texture && surface->texture->name[0] ? surface->texture->name : "default.bmp");
3223                                 if (l > 0)
3224                                         outbufferpos += l;
3225                                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
3226                                 {
3227                                         const int index = e[2-cornerindex];
3228                                         const float *v = model->surfmesh.data_vertex3f + index * 3;
3229                                         const float *vn = model->surfmesh.data_normal3f + index * 3;
3230                                         const float *vt = model->surfmesh.data_texcoordtexture2f + index * 2;
3231                                         const int b = model->surfmesh.blends[index];
3232                                         if (b < model->num_bones)
3233                                                 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]);
3234                                         else
3235                                         {
3236                                                 const blendweights_t *w = model->surfmesh.data_blendweights + b - model->num_bones;
3237                                                 const unsigned char *wi = w->index;
3238                                                 const unsigned char *wf = w->influence;
3239                                             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);
3240                                                 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);
3241                                                 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);
3242                                                 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]);
3243                                         }
3244                                         if (l > 0)
3245                                                 outbufferpos += l;
3246                                 }
3247                         }
3248                 }
3249                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\n");
3250                 if (l > 0)
3251                         outbufferpos += l;
3252         }
3253
3254         FS_WriteFile(filename, outbuffer, outbufferpos);
3255         Z_Free(outbuffer);
3256
3257         Con_Printf("Wrote %s (%i bytes, %i nodes, %i frames, %i triangles)\n", filename, (int)outbufferpos, countnodes, countframes, counttriangles);
3258 }
3259
3260 /*
3261 ================
3262 Mod_Decompile_f
3263
3264 decompiles a model to editable files
3265 ================
3266 */
3267 static void Mod_Decompile_f(void)
3268 {
3269         int i, j, k, l, first, count;
3270         dp_model_t *mod;
3271         char inname[MAX_QPATH];
3272         char outname[MAX_QPATH];
3273         char mtlname[MAX_QPATH];
3274         char basename[MAX_QPATH];
3275         char animname[MAX_QPATH];
3276         char animname2[MAX_QPATH];
3277         char zymtextbuffer[16384];
3278         char dpmtextbuffer[16384];
3279         char framegroupstextbuffer[16384];
3280         int zymtextsize = 0;
3281         int dpmtextsize = 0;
3282         int framegroupstextsize = 0;
3283
3284         if (Cmd_Argc() != 2)
3285         {
3286                 Con_Print("usage: modeldecompile <filename>\n");
3287                 return;
3288         }
3289
3290         strlcpy(inname, Cmd_Argv(1), sizeof(inname));
3291         FS_StripExtension(inname, basename, sizeof(basename));
3292
3293         mod = Mod_ForName(inname, false, true, inname[0] == '*' ? cl.model_name[1] : NULL);
3294         if (mod->brush.submodel)
3295         {
3296                 // if we're decompiling a submodel, be sure to give it a proper name based on its parent
3297                 FS_StripExtension(cl.model_name[1], outname, sizeof(outname));
3298                 dpsnprintf(basename, sizeof(basename), "%s/%s", outname, mod->name);
3299                 outname[0] = 0;
3300         }
3301         if (!mod)
3302         {
3303                 Con_Print("No such model\n");
3304                 return;
3305         }
3306         if (!mod->surfmesh.num_triangles)
3307         {
3308                 Con_Print("Empty model (or sprite)\n");
3309                 return;
3310         }
3311
3312         // export OBJ if possible (not on sprites)
3313         if (mod->surfmesh.num_triangles)
3314         {
3315                 dpsnprintf(outname, sizeof(outname), "%s_decompiled.obj", basename);
3316                 dpsnprintf(mtlname, sizeof(mtlname), "%s_decompiled.mtl", basename);
3317                 Mod_Decompile_OBJ(mod, outname, mtlname, inname);
3318         }
3319
3320         // export SMD if possible (only for skeletal models)
3321         if (mod->surfmesh.num_triangles && mod->num_bones)
3322         {
3323                 dpsnprintf(outname, sizeof(outname), "%s_decompiled/ref1.smd", basename);
3324                 Mod_Decompile_SMD(mod, outname, 0, 1, true);
3325                 l = dpsnprintf(zymtextbuffer + zymtextsize, sizeof(zymtextbuffer) - zymtextsize, "output out.zym\nscale 1\norigin 0 0 0\nmesh ref1.smd\n");
3326                 if (l > 0) zymtextsize += l;
3327                 l = dpsnprintf(dpmtextbuffer + dpmtextsize, sizeof(dpmtextbuffer) - dpmtextsize, "outputdir .\nmodel out\nscale 1\norigin 0 0 0\nscene ref1.smd\n");
3328                 if (l > 0) dpmtextsize += l;
3329                 for (i = 0;i < mod->numframes;i = j)
3330                 {
3331                         strlcpy(animname, mod->animscenes[i].name, sizeof(animname));
3332                         first = mod->animscenes[i].firstframe;
3333                         if (mod->animscenes[i].framecount > 1)
3334                         {
3335                                 // framegroup anim
3336                                 count = mod->animscenes[i].framecount;
3337                                 j = i + 1;
3338                         }
3339                         else
3340                         {
3341                                 // individual frame
3342                                 // check for additional frames with same name
3343                                 for (l = 0, k = strlen(animname);animname[l];l++)
3344                                         if(animname[l] < '0' || animname[l] > '9')
3345                                                 k = l + 1;
3346                                 if(k > 0 && animname[k-1] == '_')
3347                                         --k;
3348                                 animname[k] = 0;
3349                                 count = mod->num_poses - first;
3350                                 for (j = i + 1;j < mod->numframes;j++)
3351                                 {
3352                                         strlcpy(animname2, mod->animscenes[j].name, sizeof(animname2));
3353                                         for (l = 0, k = strlen(animname2);animname2[l];l++)
3354                                                 if(animname2[l] < '0' || animname2[l] > '9')
3355                                                         k = l + 1;
3356                                         if(k > 0 && animname[k-1] == '_')
3357                                                 --k;
3358                                         animname2[k] = 0;
3359                                         if (strcmp(animname2, animname) || mod->animscenes[j].framecount > 1)
3360                                         {
3361                                                 count = mod->animscenes[j].firstframe - first;
3362                                                 break;
3363                                         }
3364                                 }
3365                                 // if it's only one frame, use the original frame name
3366                                 if (j == i + 1)
3367                                         strlcpy(animname, mod->animscenes[i].name, sizeof(animname));
3368
3369                         }
3370                         dpsnprintf(outname, sizeof(outname), "%s_decompiled/%s.smd", basename, animname);
3371                         Mod_Decompile_SMD(mod, outname, first, count, false);
3372                         if (zymtextsize < (int)sizeof(zymtextbuffer) - 100)
3373                         {
3374                                 l = dpsnprintf(zymtextbuffer + zymtextsize, sizeof(zymtextbuffer) - zymtextsize, "scene %s.smd fps %g %s\n", animname, mod->animscenes[i].framerate, mod->animscenes[i].loop ? "" : " noloop");
3375                                 if (l > 0) zymtextsize += l;
3376                         }
3377                         if (dpmtextsize < (int)sizeof(dpmtextbuffer) - 100)
3378                         {
3379                                 l = dpsnprintf(dpmtextbuffer + dpmtextsize, sizeof(dpmtextbuffer) - dpmtextsize, "scene %s.smd fps %g %s\n", animname, mod->animscenes[i].framerate, mod->animscenes[i].loop ? "" : " noloop");
3380                                 if (l > 0) dpmtextsize += l;
3381                         }
3382                         if (framegroupstextsize < (int)sizeof(framegroupstextbuffer) - 100)
3383                         {
3384                                 l = dpsnprintf(framegroupstextbuffer + framegroupstextsize, sizeof(framegroupstextbuffer) - framegroupstextsize, "%d %d %f %d // %s\n", first, count, mod->animscenes[i].framerate, mod->animscenes[i].loop, animname);
3385                                 if (l > 0) framegroupstextsize += l;
3386                         }
3387                 }
3388                 if (zymtextsize)
3389                         FS_WriteFile(va("%s_decompiled/out_zym.txt", basename), zymtextbuffer, (fs_offset_t)zymtextsize);
3390                 if (dpmtextsize)
3391                         FS_WriteFile(va("%s_decompiled/out_dpm.txt", basename), dpmtextbuffer, (fs_offset_t)dpmtextsize);
3392                 if (framegroupstextsize)
3393                         FS_WriteFile(va("%s_decompiled.framegroups", basename), framegroupstextbuffer, (fs_offset_t)framegroupstextsize);
3394         }
3395 }
3396
3397 void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int height)
3398 {
3399         int y;
3400         memset(state, 0, sizeof(*state));
3401         state->width = width;
3402         state->height = height;
3403         state->currentY = 0;
3404         state->rows = (mod_alloclightmap_row_t *)Mem_Alloc(loadmodel->mempool, state->height * sizeof(*state->rows));
3405         for (y = 0;y < state->height;y++)
3406         {
3407                 state->rows[y].currentX = 0;
3408                 state->rows[y].rowY = -1;
3409         }
3410 }
3411
3412 void Mod_AllocLightmap_Reset(mod_alloclightmap_state_t *state)
3413 {
3414         int y;
3415         state->currentY = 0;
3416         for (y = 0;y < state->height;y++)
3417         {
3418                 state->rows[y].currentX = 0;
3419                 state->rows[y].rowY = -1;
3420         }
3421 }
3422
3423 void Mod_AllocLightmap_Free(mod_alloclightmap_state_t *state)
3424 {
3425         if (state->rows)
3426                 Mem_Free(state->rows);
3427         memset(state, 0, sizeof(*state));
3428 }
3429
3430 qboolean Mod_AllocLightmap_Block(mod_alloclightmap_state_t *state, int blockwidth, int blockheight, int *outx, int *outy)
3431 {
3432         mod_alloclightmap_row_t *row;
3433         int y;
3434
3435         row = state->rows + blockheight;
3436         if ((row->rowY < 0) || (row->currentX + blockwidth > state->width))
3437         {
3438                 if (state->currentY + blockheight <= state->height)
3439                 {
3440                         // use the current allocation position
3441                         row->rowY = state->currentY;
3442                         row->currentX = 0;
3443                         state->currentY += blockheight;
3444                 }
3445                 else
3446                 {
3447                         // find another position
3448                         for (y = blockheight;y < state->height;y++)
3449                         {
3450                                 if ((state->rows[y].rowY >= 0) && (state->rows[y].currentX + blockwidth <= state->width))
3451                                 {
3452                                         row = state->rows + y;
3453                                         break;
3454                                 }
3455                         }
3456                         if (y == state->height)
3457                                 return false;
3458                 }
3459         }
3460         *outy = row->rowY;
3461         *outx = row->currentX;
3462         row->currentX += blockwidth;
3463
3464         return true;
3465 }
3466
3467 typedef struct lightmapsample_s
3468 {
3469         float pos[3];
3470         float sh1[4][3];
3471         float *vertex_color;
3472         unsigned char *lm_bgr;
3473         unsigned char *lm_dir;
3474 }
3475 lightmapsample_t;
3476
3477 typedef struct lightmapvertex_s
3478 {
3479         int index;
3480         float pos[3];
3481         float normal[3];
3482         float texcoordbase[2];
3483         float texcoordlightmap[2];
3484         float lightcolor[4];
3485 }
3486 lightmapvertex_t;
3487
3488 typedef struct lightmaptriangle_s
3489 {
3490         int triangleindex;
3491         int surfaceindex;
3492         int lightmapindex;
3493         int axis;
3494         int lmoffset[2];
3495         int lmsize[2];
3496         // 2D modelspace coordinates of min corner
3497         // snapped to lightmap grid but not in grid coordinates
3498         float lmbase[2];
3499         // 2D modelspace to lightmap coordinate scale
3500         float lmscale[2];
3501         float vertex[3][3];
3502         float mins[3];
3503         float maxs[3];
3504 }
3505 lightmaptriangle_t;
3506
3507 typedef struct lightmaplight_s
3508 {
3509         float origin[3];
3510         float radius;
3511         float iradius;
3512         float radius2;
3513         float color[3];
3514         svbsp_t svbsp;
3515 }
3516 lightmaplight_t;
3517
3518 lightmaptriangle_t *mod_generatelightmaps_lightmaptriangles;
3519
3520 #define MAX_LIGHTMAPSAMPLES 64
3521 static int mod_generatelightmaps_numoffsets[3];
3522 static float mod_generatelightmaps_offsets[3][MAX_LIGHTMAPSAMPLES][3];
3523
3524 static int mod_generatelightmaps_numlights;
3525 static lightmaplight_t *mod_generatelightmaps_lightinfo;
3526
3527 extern int R_Shadow_GetRTLightInfo(unsigned int lightindex, float *origin, float *radius, float *color);
3528 extern cvar_t r_shadow_lightattenuationdividebias;
3529 extern cvar_t r_shadow_lightattenuationlinearscale;
3530
3531 static void Mod_GenerateLightmaps_LightPoint(dp_model_t *model, const vec3_t pos, vec3_t ambient, vec3_t diffuse, vec3_t lightdir)
3532 {
3533         int i;
3534         int index;
3535         int result;
3536         float relativepoint[3];
3537         float color[3];
3538         float dir[3];
3539         float dist;
3540         float dist2;
3541         float intensity;
3542         float sample[5*3];
3543         float lightorigin[3];
3544         float lightradius;
3545         float lightradius2;
3546         float lightiradius;
3547         float lightcolor[3];
3548         trace_t trace;
3549         for (i = 0;i < 5*3;i++)
3550                 sample[i] = 0.0f;
3551         for (index = 0;;index++)
3552         {
3553                 result = R_Shadow_GetRTLightInfo(index, lightorigin, &lightradius, lightcolor);
3554                 if (result < 0)
3555                         break;
3556                 if (result == 0)
3557                         continue;
3558                 lightradius2 = lightradius * lightradius;
3559                 VectorSubtract(lightorigin, pos, relativepoint);
3560                 dist2 = VectorLength2(relativepoint);
3561                 if (dist2 >= lightradius2)
3562                         continue;
3563                 lightiradius = 1.0f / lightradius;
3564                 dist = sqrt(dist2) * lightiradius;
3565                 intensity = (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist);
3566                 if (intensity <= 0.0f)
3567                         continue;
3568                 if (model && model->TraceLine)
3569                 {
3570                         model->TraceLine(model, NULL, NULL, &trace, pos, lightorigin, SUPERCONTENTS_VISBLOCKERMASK);
3571                         if (trace.fraction < 1)
3572                                 continue;
3573                 }
3574                 // scale down intensity to add to both ambient and diffuse
3575                 //intensity *= 0.5f;
3576                 VectorNormalize(relativepoint);
3577                 VectorScale(lightcolor, intensity, color);
3578                 VectorMA(sample    , 0.5f            , color, sample    );
3579                 VectorMA(sample + 3, relativepoint[0], color, sample + 3);
3580                 VectorMA(sample + 6, relativepoint[1], color, sample + 6);
3581                 VectorMA(sample + 9, relativepoint[2], color, sample + 9);
3582                 // calculate a weighted average light direction as well
3583                 intensity *= VectorLength(color);
3584                 VectorMA(sample + 12, intensity, relativepoint, sample + 12);
3585         }
3586         // calculate the direction we'll use to reduce the sample to a directional light source
3587         VectorCopy(sample + 12, dir);
3588         //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
3589         VectorNormalize(dir);
3590         // extract the diffuse color along the chosen direction and scale it
3591         diffuse[0] = (dir[0]*sample[3] + dir[1]*sample[6] + dir[2]*sample[ 9] + sample[ 0]);
3592         diffuse[1] = (dir[0]*sample[4] + dir[1]*sample[7] + dir[2]*sample[10] + sample[ 1]);
3593         diffuse[2] = (dir[0]*sample[5] + dir[1]*sample[8] + dir[2]*sample[11] + sample[ 2]);
3594         // subtract some of diffuse from ambient
3595         VectorMA(sample, -0.333f, diffuse, ambient);
3596         // store the normalized lightdir
3597         VectorCopy(dir, lightdir);
3598 }
3599
3600 static void Mod_GenerateLightmaps_CreateLights_ComputeSVBSP_InsertSurfaces(const dp_model_t *model, svbsp_t *svbsp, const float *mins, const float *maxs)
3601 {
3602         int surfaceindex;
3603         int triangleindex;
3604         const msurface_t *surface;
3605         const float *vertex3f = model->surfmesh.data_vertex3f;
3606         const int *element3i = model->surfmesh.data_element3i;
3607         const int *e;
3608         float v2[3][3];
3609         for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->nummodelsurfaces;surfaceindex++, surface++)
3610         {
3611                 if (!BoxesOverlap(surface->mins, surface->maxs, mins, maxs))
3612                         continue;
3613                 if (surface->texture->basematerialflags & MATERIALFLAG_NOSHADOW)
3614                         continue;
3615                 for (triangleindex = 0, e = element3i + 3*surface->num_firsttriangle;triangleindex < surface->num_triangles;triangleindex++, e += 3)
3616                 {
3617                         VectorCopy(vertex3f + 3*e[0], v2[0]);
3618                         VectorCopy(vertex3f + 3*e[1], v2[1]);
3619                         VectorCopy(vertex3f + 3*e[2], v2[2]);
3620                         SVBSP_AddPolygon(svbsp, 3, v2[0], true, NULL, NULL, 0);
3621                 }
3622         }
3623 }
3624
3625 static void Mod_GenerateLightmaps_CreateLights_ComputeSVBSP(dp_model_t *model, lightmaplight_t *lightinfo)
3626 {
3627         int maxnodes = 1<<14;
3628         svbsp_node_t *nodes;
3629         float origin[3];
3630         float mins[3];
3631         float maxs[3];
3632         svbsp_t svbsp;
3633         VectorSet(mins, lightinfo->origin[0] - lightinfo->radius, lightinfo->origin[1] - lightinfo->radius, lightinfo->origin[2] - lightinfo->radius);
3634         VectorSet(maxs, lightinfo->origin[0] + lightinfo->radius, lightinfo->origin[1] + lightinfo->radius, lightinfo->origin[2] + lightinfo->radius);
3635         VectorCopy(lightinfo->origin, origin);
3636         nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, maxnodes * sizeof(*nodes));
3637         for (;;)
3638         {
3639                 SVBSP_Init(&svbsp, origin, maxnodes, nodes);
3640                 Mod_GenerateLightmaps_CreateLights_ComputeSVBSP_InsertSurfaces(model, &svbsp, mins, maxs);
3641                 if (svbsp.ranoutofnodes)
3642                 {
3643                         maxnodes *= 16;
3644                         if (maxnodes > 1<<22)
3645                         {
3646                                 Mem_Free(nodes);
3647                                 return;
3648                         }
3649                         Mem_Free(nodes);
3650                         nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, maxnodes * sizeof(*nodes));
3651                 }
3652                 else
3653                         break;
3654         }
3655         if (svbsp.numnodes > 0)
3656         {
3657                 svbsp.nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, svbsp.numnodes * sizeof(*nodes));
3658                 memcpy(svbsp.nodes, nodes, svbsp.numnodes * sizeof(*nodes));
3659                 lightinfo->svbsp = svbsp;
3660         }
3661         Mem_Free(nodes);
3662 }
3663
3664 static void Mod_GenerateLightmaps_CreateLights(dp_model_t *model)
3665 {
3666         int index;
3667         int result;
3668         lightmaplight_t *lightinfo;
3669         float origin[3];
3670         float radius;
3671         float color[3];
3672         mod_generatelightmaps_numlights = 0;
3673         for (index = 0;;index++)
3674         {
3675                 result = R_Shadow_GetRTLightInfo(index, origin, &radius, color);
3676                 if (result < 0)
3677                         break;
3678                 if (result > 0)
3679                         mod_generatelightmaps_numlights++;
3680         }
3681         if (mod_generatelightmaps_numlights > 0)
3682         {
3683                 mod_generatelightmaps_lightinfo = (lightmaplight_t *)Mem_Alloc(tempmempool, mod_generatelightmaps_numlights * sizeof(*mod_generatelightmaps_lightinfo));
3684                 lightinfo = mod_generatelightmaps_lightinfo;
3685                 for (index = 0;;index++)
3686                 {
3687                         result = R_Shadow_GetRTLightInfo(index, lightinfo->origin, &lightinfo->radius, lightinfo->color);
3688                         if (result < 0)
3689                                 break;
3690                         if (result > 0)
3691                                 lightinfo++;
3692                 }
3693         }
3694         for (index = 0, lightinfo = mod_generatelightmaps_lightinfo;index < mod_generatelightmaps_numlights;index++, lightinfo++)
3695         {
3696                 lightinfo->iradius = 1.0f / lightinfo->radius;
3697                 lightinfo->radius2 = lightinfo->radius * lightinfo->radius;
3698                 // TODO: compute svbsp
3699                 Mod_GenerateLightmaps_CreateLights_ComputeSVBSP(model, lightinfo);
3700         }
3701 }
3702
3703 static void Mod_GenerateLightmaps_DestroyLights(dp_model_t *model)
3704 {
3705         int i;
3706         if (mod_generatelightmaps_lightinfo)
3707         {
3708                 for (i = 0;i < mod_generatelightmaps_numlights;i++)
3709                         if (mod_generatelightmaps_lightinfo[i].svbsp.nodes)
3710                                 Mem_Free(mod_generatelightmaps_lightinfo[i].svbsp.nodes);
3711                 Mem_Free(mod_generatelightmaps_lightinfo);
3712         }
3713         mod_generatelightmaps_lightinfo = NULL;
3714         mod_generatelightmaps_numlights = 0;
3715 }
3716
3717 static qboolean Mod_GenerateLightmaps_SamplePoint_SVBSP(const svbsp_t *svbsp, const float *pos)
3718 {
3719         const svbsp_node_t *node;
3720         const svbsp_node_t *nodes = svbsp->nodes;
3721         int num = 0;
3722         while (num >= 0)
3723         {
3724                 node = nodes + num;
3725                 num = node->children[DotProduct(node->plane, pos) < node->plane[3]];
3726         }
3727         return num == -1; // true if empty, false if solid (shadowed)
3728 }
3729
3730 static void Mod_GenerateLightmaps_SamplePoint(const float *pos, const float *normal, float *sample, int numoffsets, const float *offsets)
3731 {
3732         int i;
3733         float relativepoint[3];
3734         float color[3];
3735         float offsetpos[3];
3736         float dist;
3737         float dist2;
3738         float intensity;
3739         int offsetindex;
3740         int hits;
3741         int tests;
3742         const lightmaplight_t *lightinfo;
3743         trace_t trace;
3744         for (i = 0;i < 5*3;i++)
3745                 sample[i] = 0.0f;
3746         for (i = 0, lightinfo = mod_generatelightmaps_lightinfo;i < mod_generatelightmaps_numlights;i++, lightinfo++)
3747         {
3748                 //R_SampleRTLights(pos, sample, numoffsets, offsets);
3749                 VectorSubtract(lightinfo->origin, pos, relativepoint);
3750                 // don't accept light from behind a surface, it causes bad shading
3751                 if (normal && DotProduct(relativepoint, normal) <= 0)
3752                         continue;
3753                 dist2 = VectorLength2(relativepoint);
3754                 if (dist2 >= lightinfo->radius2)
3755                         continue;
3756                 dist = sqrt(dist2) * lightinfo->iradius;
3757                 intensity = dist < 1 ? ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) : 0;
3758                 if (intensity <= 0)
3759                         continue;
3760                 if (cl.worldmodel && cl.worldmodel->TraceLine && numoffsets > 0)
3761                 {
3762                         hits = 0;
3763                         tests = 1;
3764                         if (Mod_GenerateLightmaps_SamplePoint_SVBSP(&lightinfo->svbsp, pos))
3765                                 hits++;
3766                         for (offsetindex = 1;offsetindex < numoffsets;offsetindex++)
3767                         {
3768                                 VectorAdd(pos, offsets + 3*offsetindex, offsetpos);
3769                                 if (!normal)
3770                                 {
3771                                         // for light grid we'd better check visibility of the offset point
3772                                         cl.worldmodel->TraceLine(cl.worldmodel, NULL, NULL, &trace, pos, offsetpos, SUPERCONTENTS_VISBLOCKERMASK);
3773                                         if (trace.fraction < 1)
3774                                                 VectorLerp(pos, trace.fraction, offsetpos, offsetpos);
3775                                 }
3776                                 tests++;
3777                                 if (Mod_GenerateLightmaps_SamplePoint_SVBSP(&lightinfo->svbsp, offsetpos))
3778                                         hits++;
3779                         }
3780                         if (!hits)
3781                                 continue;
3782                         // scale intensity according to how many rays succeeded
3783                         // we know one test is valid, half of the rest will fail...
3784                         //if (normal && tests > 1)
3785                         //      intensity *= (tests - 1.0f) / tests;
3786                         intensity *= (float)hits / tests;
3787                 }
3788                 // scale down intensity to add to both ambient and diffuse
3789                 //intensity *= 0.5f;
3790                 VectorNormalize(relativepoint);
3791                 VectorScale(lightinfo->color, intensity, color);
3792                 VectorMA(sample    , 0.5f            , color, sample    );
3793                 VectorMA(sample + 3, relativepoint[0], color, sample + 3);
3794                 VectorMA(sample + 6, relativepoint[1], color, sample + 6);
3795                 VectorMA(sample + 9, relativepoint[2], color, sample + 9);
3796                 // calculate a weighted average light direction as well
3797                 intensity *= VectorLength(color);
3798                 VectorMA(sample + 12, intensity, relativepoint, sample + 12);
3799         }
3800 }
3801
3802 static void Mod_GenerateLightmaps_LightmapSample(const float *pos, const float *normal, unsigned char *lm_bgr, unsigned char *lm_dir)
3803 {
3804         float sample[5*3];
3805         float color[3];
3806         float dir[3];
3807         float f;
3808         Mod_GenerateLightmaps_SamplePoint(pos, normal, sample, mod_generatelightmaps_numoffsets[0], mod_generatelightmaps_offsets[0][0]);
3809         //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
3810         VectorCopy(sample + 12, dir);
3811         VectorNormalize(dir);
3812         //VectorAdd(dir, normal, dir);
3813         //VectorNormalize(dir);
3814         f = DotProduct(dir, normal);
3815         f = max(0, f) * 255.0f;
3816         VectorScale(sample, f, color);
3817         //VectorCopy(normal, dir);
3818         VectorSet(dir, (dir[0]+1.0f)*127.5f, (dir[1]+1.0f)*127.5f, (dir[2]+1.0f)*127.5f);
3819         lm_bgr[0] = (unsigned char)bound(0.0f, color[2], 255.0f);
3820         lm_bgr[1] = (unsigned char)bound(0.0f, color[1], 255.0f);
3821         lm_bgr[2] = (unsigned char)bound(0.0f, color[0], 255.0f);
3822         lm_bgr[3] = 255;
3823         lm_dir[0] = (unsigned char)dir[2];
3824         lm_dir[1] = (unsigned char)dir[1];
3825         lm_dir[2] = (unsigned char)dir[0];
3826         lm_dir[3] = 255;
3827 }
3828
3829 static void Mod_GenerateLightmaps_VertexSample(const float *pos, const float *normal, float *vertex_color)
3830 {
3831         float sample[5*3];
3832         Mod_GenerateLightmaps_SamplePoint(pos, normal, sample, mod_generatelightmaps_numoffsets[1], mod_generatelightmaps_offsets[1][0]);
3833         VectorCopy(sample, vertex_color);
3834 }
3835
3836 static void Mod_GenerateLightmaps_GridSample(const float *pos, q3dlightgrid_t *s)
3837 {
3838         float sample[5*3];
3839         float ambient[3];
3840         float diffuse[3];
3841         float dir[3];
3842         Mod_GenerateLightmaps_SamplePoint(pos, NULL, sample, mod_generatelightmaps_numoffsets[2], mod_generatelightmaps_offsets[2][0]);
3843         // calculate the direction we'll use to reduce the sample to a directional light source
3844         VectorCopy(sample + 12, dir);
3845         //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
3846         VectorNormalize(dir);
3847         // extract the diffuse color along the chosen direction and scale it
3848         diffuse[0] = (dir[0]*sample[3] + dir[1]*sample[6] + dir[2]*sample[ 9] + sample[ 0]) * 127.5f;
3849         diffuse[1] = (dir[0]*sample[4] + dir[1]*sample[7] + dir[2]*sample[10] + sample[ 1]) * 127.5f;
3850         diffuse[2] = (dir[0]*sample[5] + dir[1]*sample[8] + dir[2]*sample[11] + sample[ 2]) * 127.5f;
3851         // scale the ambient from 0-2 to 0-255 and subtract some of diffuse
3852         VectorScale(sample, 127.5f, ambient);
3853         VectorMA(ambient, -0.333f, diffuse, ambient);
3854         // encode to the grid format
3855         s->ambientrgb[0] = (unsigned char)bound(0.0f, ambient[0], 255.0f);
3856         s->ambientrgb[1] = (unsigned char)bound(0.0f, ambient[1], 255.0f);
3857         s->ambientrgb[2] = (unsigned char)bound(0.0f, ambient[2], 255.0f);
3858         s->diffusergb[0] = (unsigned char)bound(0.0f, diffuse[0], 255.0f);
3859         s->diffusergb[1] = (unsigned char)bound(0.0f, diffuse[1], 255.0f);
3860         s->diffusergb[2] = (unsigned char)bound(0.0f, diffuse[2], 255.0f);
3861         if (dir[2] >= 0.99f) {s->diffusepitch = 0;s->diffuseyaw = 0;}
3862         else if (dir[2] <= -0.99f) {s->diffusepitch = 128;s->diffuseyaw = 0;}
3863         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));}
3864 }
3865
3866 static void Mod_GenerateLightmaps_InitSampleOffsets(dp_model_t *model)
3867 {
3868         float radius[3];
3869         float temp[3];
3870         int i, j;
3871         memset(mod_generatelightmaps_offsets, 0, sizeof(mod_generatelightmaps_offsets));
3872         mod_generatelightmaps_numoffsets[0] = min(MAX_LIGHTMAPSAMPLES, mod_generatelightmaps_lightmapsamples.integer);
3873         mod_generatelightmaps_numoffsets[1] = min(MAX_LIGHTMAPSAMPLES, mod_generatelightmaps_vertexsamples.integer);
3874         mod_generatelightmaps_numoffsets[2] = min(MAX_LIGHTMAPSAMPLES, mod_generatelightmaps_gridsamples.integer);
3875         radius[0] = mod_generatelightmaps_lightmapradius.value;
3876         radius[1] = mod_generatelightmaps_vertexradius.value;
3877         radius[2] = mod_generatelightmaps_gridradius.value;
3878         for (i = 0;i < 3;i++)
3879         {
3880                 for (j = 1;j < mod_generatelightmaps_numoffsets[i];j++)
3881                 {
3882                         VectorRandom(temp);
3883                         VectorScale(temp, radius[i], mod_generatelightmaps_offsets[i][j]);
3884                 }
3885         }
3886 }
3887
3888 static void Mod_GenerateLightmaps_DestroyLightmaps(dp_model_t *model)
3889 {
3890         msurface_t *surface;
3891         int surfaceindex;
3892         int i;
3893         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
3894         {
3895                 surface = model->data_surfaces + surfaceindex;
3896                 surface->lightmaptexture = NULL;
3897                 surface->deluxemaptexture = NULL;
3898         }
3899         if (model->brushq3.data_lightmaps)
3900         {
3901                 for (i = 0;i < model->brushq3.num_mergedlightmaps;i++)
3902                         if (model->brushq3.data_lightmaps[i])
3903                                 R_FreeTexture(model->brushq3.data_lightmaps[i]);
3904                 Mem_Free(model->brushq3.data_lightmaps);
3905                 model->brushq3.data_lightmaps = NULL;
3906         }
3907         if (model->brushq3.data_deluxemaps)
3908         {
3909                 for (i = 0;i < model->brushq3.num_mergedlightmaps;i++)
3910                         if (model->brushq3.data_deluxemaps[i])
3911                                 R_FreeTexture(model->brushq3.data_deluxemaps[i]);
3912                 Mem_Free(model->brushq3.data_deluxemaps);
3913                 model->brushq3.data_deluxemaps = NULL;
3914         }
3915 }
3916
3917 static void Mod_GenerateLightmaps_UnweldTriangles(dp_model_t *model)
3918 {
3919         msurface_t *surface;
3920         int surfaceindex;
3921         int vertexindex;
3922         int outvertexindex;
3923         int i;
3924         const int *e;
3925         surfmesh_t oldsurfmesh;
3926         size_t size;
3927         unsigned char *data;
3928         oldsurfmesh = model->surfmesh;
3929         model->surfmesh.num_triangles = oldsurfmesh.num_triangles;
3930         model->surfmesh.num_vertices = oldsurfmesh.num_triangles * 3;
3931         size = 0;
3932         size += model->surfmesh.num_vertices * sizeof(float[3]);
3933         size += model->surfmesh.num_vertices * sizeof(float[3]);
3934         size += model->surfmesh.num_vertices * sizeof(float[3]);
3935         size += model->surfmesh.num_vertices * sizeof(float[3]);
3936         size += model->surfmesh.num_vertices * sizeof(float[2]);
3937         size += model->surfmesh.num_vertices * sizeof(float[2]);
3938         size += model->surfmesh.num_vertices * sizeof(float[4]);
3939         data = (unsigned char *)Mem_Alloc(model->mempool, size);
3940         model->surfmesh.data_vertex3f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[3]);
3941         model->surfmesh.data_normal3f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[3]);
3942         model->surfmesh.data_svector3f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[3]);
3943         model->surfmesh.data_tvector3f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[3]);
3944         model->surfmesh.data_texcoordtexture2f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[2]);
3945         model->surfmesh.data_texcoordlightmap2f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[2]);
3946         model->surfmesh.data_lightmapcolor4f = (float *)data;data += model->surfmesh.num_vertices * sizeof(float[4]);
3947         if (model->surfmesh.num_vertices > 65536)
3948                 model->surfmesh.data_element3s = NULL;
3949
3950         if (model->surfmesh.vertexmesh)
3951                 Mem_Free(model->surfmesh.vertexmesh);
3952         model->surfmesh.vertexmesh = NULL;
3953         if (model->surfmesh.vertex3fbuffer)
3954                 R_Mesh_DestroyMeshBuffer(model->surfmesh.vertex3fbuffer);
3955         model->surfmesh.vertex3fbuffer = NULL;
3956         if (model->surfmesh.vertexmeshbuffer)
3957                 R_Mesh_DestroyMeshBuffer(model->surfmesh.vertexmeshbuffer);
3958         model->surfmesh.vertexmeshbuffer = NULL;
3959         if (model->surfmesh.data_element3i_indexbuffer)
3960                 R_Mesh_DestroyMeshBuffer(model->surfmesh.data_element3i_indexbuffer);
3961         model->surfmesh.data_element3i_indexbuffer = NULL;
3962         if (model->surfmesh.data_element3s_indexbuffer)
3963                 R_Mesh_DestroyMeshBuffer(model->surfmesh.data_element3s_indexbuffer);
3964         model->surfmesh.data_element3s_indexbuffer = NULL;
3965         if (model->surfmesh.vbo_vertexbuffer)
3966                 R_Mesh_DestroyMeshBuffer(model->surfmesh.vbo_vertexbuffer);
3967         model->surfmesh.vbo_vertexbuffer = 0;
3968
3969         // convert all triangles to unique vertex data
3970         outvertexindex = 0;
3971         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
3972         {
3973                 surface = model->data_surfaces + surfaceindex;
3974                 surface->num_firstvertex = outvertexindex;
3975                 surface->num_vertices = surface->num_triangles*3;
3976                 e = oldsurfmesh.data_element3i + surface->num_firsttriangle*3;
3977                 for (i = 0;i < surface->num_triangles*3;i++)
3978                 {
3979                         vertexindex = e[i];
3980                         model->surfmesh.data_vertex3f[outvertexindex*3+0] = oldsurfmesh.data_vertex3f[vertexindex*3+0];
3981                         model->surfmesh.data_vertex3f[outvertexindex*3+1] = oldsurfmesh.data_vertex3f[vertexindex*3+1];
3982                         model->surfmesh.data_vertex3f[outvertexindex*3+2] = oldsurfmesh.data_vertex3f[vertexindex*3+2];
3983                         model->surfmesh.data_normal3f[outvertexindex*3+0] = oldsurfmesh.data_normal3f[vertexindex*3+0];
3984                         model->surfmesh.data_normal3f[outvertexindex*3+1] = oldsurfmesh.data_normal3f[vertexindex*3+1];
3985                         model->surfmesh.data_normal3f[outvertexindex*3+2] = oldsurfmesh.data_normal3f[vertexindex*3+2];
3986                         model->surfmesh.data_svector3f[outvertexindex*3+0] = oldsurfmesh.data_svector3f[vertexindex*3+0];
3987                         model->surfmesh.data_svector3f[outvertexindex*3+1] = oldsurfmesh.data_svector3f[vertexindex*3+1];
3988                         model->surfmesh.data_svector3f[outvertexindex*3+2] = oldsurfmesh.data_svector3f[vertexindex*3+2];
3989                         model->surfmesh.data_tvector3f[outvertexindex*3+0] = oldsurfmesh.data_tvector3f[vertexindex*3+0];
3990                         model->surfmesh.data_tvector3f[outvertexindex*3+1] = oldsurfmesh.data_tvector3f[vertexindex*3+1];
3991                         model->surfmesh.data_tvector3f[outvertexindex*3+2] = oldsurfmesh.data_tvector3f[vertexindex*3+2];
3992                         model->surfmesh.data_texcoordtexture2f[outvertexindex*2+0] = oldsurfmesh.data_texcoordtexture2f[vertexindex*2+0];
3993                         model->surfmesh.data_texcoordtexture2f[outvertexindex*2+1] = oldsurfmesh.data_texcoordtexture2f[vertexindex*2+1];
3994                         if (oldsurfmesh.data_texcoordlightmap2f)
3995                         {
3996                                 model->surfmesh.data_texcoordlightmap2f[outvertexindex*2+0] = oldsurfmesh.data_texcoordlightmap2f[vertexindex*2+0];
3997                                 model->surfmesh.data_texcoordlightmap2f[outvertexindex*2+1] = oldsurfmesh.data_texcoordlightmap2f[vertexindex*2+1];
3998                         }
3999                         if (oldsurfmesh.data_lightmapcolor4f)
4000                         {
4001                                 model->surfmesh.data_lightmapcolor4f[outvertexindex*4+0] = oldsurfmesh.data_lightmapcolor4f[vertexindex*4+0];
4002                                 model->surfmesh.data_lightmapcolor4f[outvertexindex*4+1] = oldsurfmesh.data_lightmapcolor4f[vertexindex*4+1];
4003                                 model->surfmesh.data_lightmapcolor4f[outvertexindex*4+2] = oldsurfmesh.data_lightmapcolor4f[vertexindex*4+2];
4004                                 model->surfmesh.data_lightmapcolor4f[outvertexindex*4+3] = oldsurfmesh.data_lightmapcolor4f[vertexindex*4+3];
4005                         }
4006                         else
4007                                 Vector4Set(model->surfmesh.data_lightmapcolor4f + 4*outvertexindex, 1, 1, 1, 1);
4008                         model->surfmesh.data_element3i[surface->num_firsttriangle*3+i] = outvertexindex;
4009                         outvertexindex++;
4010                 }
4011         }
4012         if (model->surfmesh.data_element3s)
4013                 for (i = 0;i < model->surfmesh.num_triangles*3;i++)
4014                         model->surfmesh.data_element3s[i] = model->surfmesh.data_element3i[i];
4015
4016         // find and update all submodels to use this new surfmesh data
4017         for (i = 0;i < model->brush.numsubmodels;i++)
4018                 model->brush.submodels[i]->surfmesh = model->surfmesh;
4019 }
4020
4021 static void Mod_GenerateLightmaps_CreateTriangleInformation(dp_model_t *model)
4022 {
4023         msurface_t *surface;
4024         int surfaceindex;
4025         int i;
4026         int axis;
4027         float normal[3];
4028         const int *e;
4029         lightmaptriangle_t *triangle;
4030         // generate lightmap triangle structs
4031         mod_generatelightmaps_lightmaptriangles = (lightmaptriangle_t *)Mem_Alloc(model->mempool, model->surfmesh.num_triangles * sizeof(lightmaptriangle_t));
4032         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
4033         {
4034                 surface = model->data_surfaces + surfaceindex;
4035                 e = model->surfmesh.data_element3i + surface->num_firsttriangle*3;
4036                 for (i = 0;i < surface->num_triangles;i++)
4037                 {
4038                         triangle = &mod_generatelightmaps_lightmaptriangles[surface->num_firsttriangle+i];
4039                         triangle->triangleindex = surface->num_firsttriangle+i;
4040                         triangle->surfaceindex = surfaceindex;
4041                         VectorCopy(model->surfmesh.data_vertex3f + 3*e[i*3+0], triangle->vertex[0]);
4042                         VectorCopy(model->surfmesh.data_vertex3f + 3*e[i*3+1], triangle->vertex[1]);
4043                         VectorCopy(model->surfmesh.data_vertex3f + 3*e[i*3+2], triangle->vertex[2]);
4044                         // calculate bounds of triangle
4045                         triangle->mins[0] = min(triangle->vertex[0][0], min(triangle->vertex[1][0], triangle->vertex[2][0]));
4046                         triangle->mins[1] = min(triangle->vertex[0][1], min(triangle->vertex[1][1], triangle->vertex[2][1]));
4047                         triangle->mins[2] = min(triangle->vertex[0][2], min(triangle->vertex[1][2], triangle->vertex[2][2]));
4048                         triangle->maxs[0] = max(triangle->vertex[0][0], max(triangle->vertex[1][0], triangle->vertex[2][0]));
4049                         triangle->maxs[1] = max(triangle->vertex[0][1], max(triangle->vertex[1][1], triangle->vertex[2][1]));
4050                         triangle->maxs[2] = max(triangle->vertex[0][2], max(triangle->vertex[1][2], triangle->vertex[2][2]));
4051                         // pick an axial projection based on the triangle normal
4052                         TriangleNormal(triangle->vertex[0], triangle->vertex[1], triangle->vertex[2], normal);
4053                         axis = 0;
4054                         if (fabs(normal[1]) > fabs(normal[axis]))
4055                                 axis = 1;
4056                         if (fabs(normal[2]) > fabs(normal[axis]))
4057                                 axis = 2;
4058                         triangle->axis = axis;
4059                 }
4060         }
4061 }
4062
4063 static void Mod_GenerateLightmaps_DestroyTriangleInformation(dp_model_t *model)
4064 {
4065         if (mod_generatelightmaps_lightmaptriangles)
4066                 Mem_Free(mod_generatelightmaps_lightmaptriangles);
4067         mod_generatelightmaps_lightmaptriangles = NULL;
4068 }
4069
4070 float lmaxis[3][3] = {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}};
4071
4072 static void Mod_GenerateLightmaps_CreateLightmaps(dp_model_t *model)
4073 {
4074         msurface_t *surface;
4075         int surfaceindex;
4076         int lightmapindex;
4077         int lightmapnumber;
4078         int i;
4079         int j;
4080         int k;
4081         int x;
4082         int y;
4083         int axis;
4084         int axis1;
4085         int axis2;
4086         int retry;
4087         int pixeloffset;
4088         float trianglenormal[3];
4089         float samplecenter[3];
4090         float samplenormal[3];
4091         float temp[3];
4092         float lmiscale[2];
4093         float slopex;
4094         float slopey;
4095         float slopebase;
4096         float lmscalepixels;
4097         float lmmins;
4098         float lmmaxs;
4099         float lm_basescalepixels;
4100         int lm_borderpixels;
4101         int lm_texturesize;
4102         //int lm_maxpixels;
4103         const int *e;
4104         lightmaptriangle_t *triangle;
4105         unsigned char *lightmappixels;
4106         unsigned char *deluxemappixels;
4107         mod_alloclightmap_state_t lmstate;
4108
4109         // generate lightmap projection information for all triangles
4110         if (model->texturepool == NULL)
4111                 model->texturepool = R_AllocTexturePool();
4112         lm_basescalepixels = 1.0f / max(0.0001f, mod_generatelightmaps_unitspersample.value);
4113         lm_borderpixels = mod_generatelightmaps_borderpixels.integer;
4114         lm_texturesize = bound(lm_borderpixels*2+1, 64, (int)vid.maxtexturesize_2d);
4115         //lm_maxpixels = lm_texturesize-(lm_borderpixels*2+1);
4116         Mod_AllocLightmap_Init(&lmstate, lm_texturesize, lm_texturesize);
4117         lightmapnumber = 0;
4118         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
4119         {
4120                 surface = model->data_surfaces + surfaceindex;
4121                 e = model->surfmesh.data_element3i + surface->num_firsttriangle*3;
4122                 lmscalepixels = lm_basescalepixels;
4123                 for (retry = 0;retry < 30;retry++)
4124                 {
4125                         // after a couple failed attempts, degrade quality to make it fit
4126                         if (retry > 1)
4127                                 lmscalepixels *= 0.5f;
4128                         for (i = 0;i < surface->num_triangles;i++)
4129                         {
4130                                 triangle = &mod_generatelightmaps_lightmaptriangles[surface->num_firsttriangle+i];
4131                                 triangle->lightmapindex = lightmapnumber;
4132                                 // calculate lightmap bounds in 3D pixel coordinates, limit size,
4133                                 // pick two planar axes for projection
4134                                 // lightmap coordinates here are in pixels
4135                                 // lightmap projections are snapped to pixel grid explicitly, such
4136                                 // that two neighboring triangles sharing an edge and projection
4137                                 // axis will have identical sampl espacing along their shared edge
4138                                 k = 0;
4139                                 for (j = 0;j < 3;j++)
4140                                 {
4141                                         if (j == triangle->axis)
4142                                                 continue;
4143                                         lmmins = floor(triangle->mins[j]*lmscalepixels)-lm_borderpixels;
4144                                         lmmaxs = floor(triangle->maxs[j]*lmscalepixels)+lm_borderpixels;
4145                                         triangle->lmsize[k] = (int)(lmmaxs-lmmins);
4146                                         triangle->lmbase[k] = lmmins/lmscalepixels;
4147                                         triangle->lmscale[k] = lmscalepixels;
4148                                         k++;
4149                                 }
4150                                 if (!Mod_AllocLightmap_Block(&lmstate, triangle->lmsize[0], triangle->lmsize[1], &triangle->lmoffset[0], &triangle->lmoffset[1]))
4151                                         break;
4152                         }
4153                         // if all fit in this texture, we're done with this surface
4154                         if (i == surface->num_triangles)
4155                                 break;
4156                         // if we haven't maxed out the lightmap size yet, we retry the
4157                         // entire surface batch...
4158                         if (lm_texturesize * 2 <= min(mod_generatelightmaps_texturesize.integer, (int)vid.maxtexturesize_2d))
4159                         {
4160                                 lm_texturesize *= 2;
4161                                 surfaceindex = -1;
4162                                 lightmapnumber = 0;
4163                                 Mod_AllocLightmap_Free(&lmstate);
4164                                 Mod_AllocLightmap_Init(&lmstate, lm_texturesize, lm_texturesize);
4165                                 break;
4166                         }
4167                         // if we have maxed out the lightmap size, and this triangle does
4168                         // not fit in the same texture as the rest of the surface, we have
4169                         // to retry the entire surface in a new texture (can only use one)
4170                         // with multiple retries, the lightmap quality degrades until it
4171                         // fits (or gives up)
4172                         if (surfaceindex > 0)
4173                                 lightmapnumber++;
4174                         Mod_AllocLightmap_Reset(&lmstate);
4175                 }
4176         }
4177         lightmapnumber++;
4178         Mod_AllocLightmap_Free(&lmstate);
4179
4180         // now put triangles together into lightmap textures, and do not allow
4181         // triangles of a surface to go into different textures (as that would
4182         // require rewriting the surface list)
4183         model->brushq3.deluxemapping_modelspace = true;
4184         model->brushq3.deluxemapping = true;
4185         model->brushq3.num_mergedlightmaps = lightmapnumber;
4186         model->brushq3.data_lightmaps = (rtexture_t **)Mem_Alloc(model->mempool, model->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
4187         model->brushq3.data_deluxemaps = (rtexture_t **)Mem_Alloc(model->mempool, model->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
4188         lightmappixels = (unsigned char *)Mem_Alloc(tempmempool, model->brushq3.num_mergedlightmaps * lm_texturesize * lm_texturesize * 4);
4189         deluxemappixels = (unsigned char *)Mem_Alloc(tempmempool, model->brushq3.num_mergedlightmaps * lm_texturesize * lm_texturesize * 4);
4190         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
4191         {
4192                 surface = model->data_surfaces + surfaceindex;
4193                 e = model->surfmesh.data_element3i + surface->num_firsttriangle*3;
4194                 for (i = 0;i < surface->num_triangles;i++)
4195                 {
4196                         triangle = &mod_generatelightmaps_lightmaptriangles[surface->num_firsttriangle+i];
4197                         TriangleNormal(triangle->vertex[0], triangle->vertex[1], triangle->vertex[2], trianglenormal);
4198                         VectorNormalize(trianglenormal);
4199                         VectorCopy(trianglenormal, samplenormal); // FIXME: this is supposed to be interpolated per pixel from vertices
4200                         axis = triangle->axis;
4201                         axis1 = axis == 0 ? 1 : 0;
4202                         axis2 = axis == 2 ? 1 : 2;
4203                         lmiscale[0] = 1.0f / triangle->lmscale[0];
4204                         lmiscale[1] = 1.0f / triangle->lmscale[1];
4205                         if (trianglenormal[axis] < 0)
4206                                 VectorNegate(trianglenormal, trianglenormal);
4207                         CrossProduct(lmaxis[axis2], trianglenormal, temp);slopex = temp[axis] / temp[axis1];
4208                         CrossProduct(lmaxis[axis1], trianglenormal, temp);slopey = temp[axis] / temp[axis2];
4209                         slopebase = triangle->vertex[0][axis] - triangle->vertex[0][axis1]*slopex - triangle->vertex[0][axis2]*slopey;
4210                         for (j = 0;j < 3;j++)
4211                         {
4212                                 float *t2f = model->surfmesh.data_texcoordlightmap2f + e[i*3+j]*2;
4213                                 t2f[0] = ((triangle->vertex[j][axis1] - triangle->lmbase[0]) * triangle->lmscale[0] + triangle->lmoffset[0]) / lm_texturesize;
4214                                 t2f[1] = ((triangle->vertex[j][axis2] - triangle->lmbase[1]) * triangle->lmscale[1] + triangle->lmoffset[1]) / lm_texturesize;
4215 #if 0
4216                                 samplecenter[axis1] = (t2f[0]*lm_texturesize-triangle->lmoffset[0])*lmiscale[0] + triangle->lmbase[0];
4217                                 samplecenter[axis2] = (t2f[1]*lm_texturesize-triangle->lmoffset[1])*lmiscale[1] + triangle->lmbase[1];
4218                                 samplecenter[axis] = samplecenter[axis1]*slopex + samplecenter[axis2]*slopey + slopebase;
4219                                 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]);
4220 #endif
4221                         }
4222
4223 #if 0
4224                         switch (axis)
4225                         {
4226                         default:
4227                         case 0:
4228                                 forward[0] = 0;
4229                                 forward[1] = 1.0f / triangle->lmscale[0];
4230                                 forward[2] = 0;
4231                                 left[0] = 0;
4232                                 left[1] = 0;
4233                                 left[2] = 1.0f / triangle->lmscale[1];
4234                                 up[0] = 1.0f;
4235                                 up[1] = 0;
4236                                 up[2] = 0;
4237                                 origin[0] = 0;
4238                                 origin[1] = triangle->lmbase[0];
4239                                 origin[2] = triangle->lmbase[1];
4240                                 break;
4241                         case 1:
4242                                 forward[0] = 1.0f / triangle->lmscale[0];
4243                                 forward[1] = 0;
4244                                 forward[2] = 0;
4245                                 left[0] = 0;
4246                                 left[1] = 0;
4247                                 left[2] = 1.0f / triangle->lmscale[1];
4248                                 up[0] = 0;
4249                                 up[1] = 1.0f;
4250                                 up[2] = 0;
4251                                 origin[0] = triangle->lmbase[0];
4252                                 origin[1] = 0;
4253                                 origin[2] = triangle->lmbase[1];
4254                                 break;
4255                         case 2:
4256                                 forward[0] = 1.0f / triangle->lmscale[0];
4257                                 forward[1] = 0;
4258                                 forward[2] = 0;
4259                                 left[0] = 0;
4260                                 left[1] = 1.0f / triangle->lmscale[1];
4261                                 left[2] = 0;
4262                                 up[0] = 0;
4263                                 up[1] = 0;
4264                                 up[2] = 1.0f;
4265                                 origin[0] = triangle->lmbase[0];
4266                                 origin[1] = triangle->lmbase[1];
4267                                 origin[2] = 0;
4268                                 break;
4269                         }
4270                         Matrix4x4_FromVectors(&backmatrix, forward, left, up, origin);
4271 #endif
4272 #define LM_DIST_EPSILON (1.0f / 32.0f)
4273                         for (y = 0;y < triangle->lmsize[1];y++)
4274                         {
4275                                 pixeloffset = ((triangle->lightmapindex * lm_texturesize + y + triangle->lmoffset[1]) * lm_texturesize + triangle->lmoffset[0]) * 4;
4276                                 for (x = 0;x < triangle->lmsize[0];x++, pixeloffset += 4)
4277                                 {
4278                                         samplecenter[axis1] = (x+0.5f)*lmiscale[0] + triangle->lmbase[0];
4279                                         samplecenter[axis2] = (y+0.5f)*lmiscale[1] + triangle->lmbase[1];
4280                                         samplecenter[axis] = samplecenter[axis1]*slopex + samplecenter[axis2]*slopey + slopebase;
4281                                         VectorMA(samplecenter, 0.125f, samplenormal, samplecenter);
4282                                         Mod_GenerateLightmaps_LightmapSample(samplecenter, samplenormal, lightmappixels + pixeloffset, deluxemappixels + pixeloffset);
4283                                 }
4284                         }
4285                 }
4286         }
4287
4288         for (lightmapindex = 0;lightmapindex < model->brushq3.num_mergedlightmaps;lightmapindex++)
4289         {
4290                 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);
4291                 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);
4292         }
4293
4294         if (lightmappixels)
4295                 Mem_Free(lightmappixels);
4296         if (deluxemappixels)
4297                 Mem_Free(deluxemappixels);
4298
4299         for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
4300         {
4301                 surface = model->data_surfaces + surfaceindex;
4302                 e = model->surfmesh.data_element3i + surface->num_firsttriangle*3;
4303                 if (!surface->num_triangles)
4304                         continue;
4305                 lightmapindex = mod_generatelightmaps_lightmaptriangles[surface->num_firsttriangle].lightmapindex;
4306                 surface->lightmaptexture = model->brushq3.data_lightmaps[lightmapindex];
4307                 surface->deluxemaptexture = model->brushq3.data_deluxemaps[lightmapindex];
4308                 surface->lightmapinfo = NULL;
4309         }
4310
4311         model->brush.LightPoint = Mod_GenerateLightmaps_LightPoint;
4312         model->brushq1.lightdata = NULL;
4313         model->brushq1.lightmapupdateflags = NULL;
4314         model->brushq1.firstrender = false;
4315         model->brushq1.num_lightstyles = 0;
4316         model->brushq1.data_lightstyleinfo = NULL;
4317         for (i = 0;i < model->brush.numsubmodels;i++)
4318         {
4319                 model->brush.submodels[i]->brushq1.lightmapupdateflags = NULL;
4320                 model->brush.submodels[i]->brushq1.firstrender = false;
4321                 model->brush.submodels[i]->brushq1.num_lightstyles = 0;
4322                 model->brush.submodels[i]->brushq1.data_lightstyleinfo = NULL;
4323         }
4324 }
4325
4326 static void Mod_GenerateLightmaps_UpdateVertexColors(dp_model_t *model)
4327 {
4328         int i;
4329         for (i = 0;i < model->surfmesh.num_vertices;i++)
4330                 Mod_GenerateLightmaps_VertexSample(model->surfmesh.data_vertex3f + 3*i, model->surfmesh.data_normal3f + 3*i, model->surfmesh.data_lightmapcolor4f + 4*i);
4331 }
4332
4333 static void Mod_GenerateLightmaps_UpdateLightGrid(dp_model_t *model)
4334 {
4335         int x;
4336         int y;
4337         int z;
4338         int index = 0;
4339         float pos[3];
4340         for (z = 0;z < model->brushq3.num_lightgrid_isize[2];z++)
4341         {
4342                 pos[2] = (model->brushq3.num_lightgrid_imins[2] + z + 0.5f) * model->brushq3.num_lightgrid_cellsize[2];
4343                 for (y = 0;y < model->brushq3.num_lightgrid_isize[1];y++)
4344                 {
4345                         pos[1] = (model->brushq3.num_lightgrid_imins[1] + y + 0.5f) * model->brushq3.num_lightgrid_cellsize[1];
4346                         for (x = 0;x < model->brushq3.num_lightgrid_isize[0];x++, index++)
4347                         {
4348                                 pos[0] = (model->brushq3.num_lightgrid_imins[0] + x + 0.5f) * model->brushq3.num_lightgrid_cellsize[0];
4349                                 Mod_GenerateLightmaps_GridSample(pos, model->brushq3.data_lightgrid + index);
4350                         }
4351                 }
4352         }
4353 }
4354
4355 extern cvar_t mod_q3bsp_nolightmaps;
4356 static void Mod_GenerateLightmaps(dp_model_t *model)
4357 {
4358         //lightmaptriangle_t *lightmaptriangles = Mem_Alloc(model->mempool, model->surfmesh.num_triangles * sizeof(lightmaptriangle_t));
4359         dp_model_t *oldloadmodel = loadmodel;
4360         loadmodel = model;
4361
4362         Mod_GenerateLightmaps_InitSampleOffsets(model);
4363         Mod_GenerateLightmaps_DestroyLightmaps(model);
4364         Mod_GenerateLightmaps_UnweldTriangles(model);
4365         Mod_GenerateLightmaps_CreateTriangleInformation(model);
4366         Mod_GenerateLightmaps_CreateLights(model);
4367         if(!mod_q3bsp_nolightmaps.integer)
4368                 Mod_GenerateLightmaps_CreateLightmaps(model);
4369         Mod_GenerateLightmaps_UpdateVertexColors(model);
4370         Mod_GenerateLightmaps_UpdateLightGrid(model);
4371         Mod_GenerateLightmaps_DestroyLights(model);
4372         Mod_GenerateLightmaps_DestroyTriangleInformation(model);
4373
4374         loadmodel = oldloadmodel;
4375 }
4376
4377 static void Mod_GenerateLightmaps_f(void)
4378 {
4379         if (Cmd_Argc() != 1)
4380         {
4381                 Con_Printf("usage: mod_generatelightmaps\n");
4382                 return;
4383         }
4384         if (!cl.worldmodel)
4385         {
4386                 Con_Printf("no worldmodel loaded\n");
4387                 return;
4388         }
4389         Mod_GenerateLightmaps(cl.worldmodel);
4390 }