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
  29 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"};
  30
  31 dp_model_t *loadmodel;
  32
  33 static mempool_t *mod_mempool;
  34 static memexpandablearray_t models;
  35
  36 static mempool_t* q3shaders_mem;
  37 typedef struct q3shader_hash_entry_s
  38 {
  39   q3shaderinfo_t shader;
  40   struct q3shader_hash_entry_s* chain;
  41 } q3shader_hash_entry_t;
  42 #define Q3SHADER_HASH_SIZE  1021
  43 typedef struct q3shader_data_s
  44 {
  45   memexpandablearray_t hash_entries;
  46   q3shader_hash_entry_t hash[Q3SHADER_HASH_SIZE];
  47   memexpandablearray_t char_ptrs;
  48 } q3shader_data_t;
  49 static q3shader_data_t* q3shader_data;
  50
  51 static void mod_start(void)
  52 {
  53         int i, count;
  54         int nummodels = Mem_ExpandableArray_IndexRange(&models);
  55         dp_model_t *mod;
  56
  57         SCR_PushLoadingScreen(false, "Loading models", 1.0);
  58         count = 0;
  59         for (i = 0;i < nummodels;i++)
  60                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*')
  61                         if (mod->used)
  62                                 ++count;
  63         for (i = 0;i < nummodels;i++)
  64                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*')
  65                         if (mod->used)
  66                         {
  67                                 SCR_PushLoadingScreen(true, mod->name, 1.0 / count);
  68                                 Mod_LoadModel(mod, true, false);
  69                                 SCR_PopLoadingScreen(false);
  70                         }
  71         SCR_PopLoadingScreen(false);
  72 }
  73
  74 static void mod_shutdown(void)
  75 {
  76         int i;
  77         int nummodels = Mem_ExpandableArray_IndexRange(&models);
  78         dp_model_t *mod;
  79
  80         for (i = 0;i < nummodels;i++)
  81                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && (mod->loaded || mod->mempool))
  82                         Mod_UnloadModel(mod);
  83
  84         Mod_FreeQ3Shaders();
  85 }
  86
  87 static void mod_newmap(void)
  88 {
  89         msurface_t *surface;
  90         int i, j, k, surfacenum, ssize, tsize;
  91         int nummodels = Mem_ExpandableArray_IndexRange(&models);
  92         dp_model_t *mod;
  93
  94         R_SkinFrame_PrepareForPurge();
  95         for (i = 0;i < nummodels;i++)
  96         {
  97                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->mempool && mod->data_textures)
  98                 {
  99                         for (j = 0;j < mod->num_textures;j++)
 100                         {
 101                                 for (k = 0;k < mod->data_textures[j].numskinframes;k++)
 102                                         R_SkinFrame_MarkUsed(mod->data_textures[j].skinframes[k]);
 103                                 for (k = 0;k < mod->data_textures[j].backgroundnumskinframes;k++)
 104                                         R_SkinFrame_MarkUsed(mod->data_textures[j].backgroundskinframes[k]);
 105                         }
 106                 }
 107         }
 108         R_SkinFrame_Purge();
 109
 110         if (!cl_stainmaps_clearonload.integer)
 111                 return;
 112
 113         for (i = 0;i < nummodels;i++)
 114         {
 115                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->mempool && mod->data_surfaces)
 116                 {
 117                         for (surfacenum = 0, surface = mod->data_surfaces;surfacenum < mod->num_surfaces;surfacenum++, surface++)
 118                         {
 119                                 if (surface->lightmapinfo && surface->lightmapinfo->stainsamples)
 120                                 {
 121                                         ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
 122                                         tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
 123                                         memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
 124                                         mod->brushq1.lightmapupdateflags[surfacenum] = true;
 125                                 }
 126                         }
 127                 }
 128         }
 129 }
 130
 131 /*
 132 ===============
 133 Mod_Init
 134 ===============
 135 */
 136 static void Mod_Print(void);
 137 static void Mod_Precache (void);
 138 static void Mod_Decompile_f(void);
 139 static void Mod_BuildVBOs(void);
 140 void Mod_Init (void)
 141 {
 142         mod_mempool = Mem_AllocPool("modelinfo", 0, NULL);
 143         Mem_ExpandableArray_NewArray(&models, mod_mempool, sizeof(dp_model_t), 16);
 144
 145         Mod_BrushInit();
 146         Mod_AliasInit();
 147         Mod_SpriteInit();
 148
 149         Cvar_RegisterVariable(&r_mipskins);
 150         Cmd_AddCommand ("modellist", Mod_Print, "prints a list of loaded models");
 151         Cmd_AddCommand ("modelprecache", Mod_Precache, "load a model");
 152         Cmd_AddCommand ("modeldecompile", Mod_Decompile_f, "exports a model in several formats for editing purposes");
 153 }
 154
 155 void Mod_RenderInit(void)
 156 {
 157         R_RegisterModule("Models", mod_start, mod_shutdown, mod_newmap);
 158 }
 159
 160 void Mod_UnloadModel (dp_model_t *mod)
 161 {
 162         char name[MAX_QPATH];
 163         qboolean used;
 164         dp_model_t *parentmodel;
 165
 166         if (developer_loading.integer)
 167                 Con_Printf("unloading model %s\n", mod->name);
 168
 169         strlcpy(name, mod->name, sizeof(name));
 170         parentmodel = mod->brush.parentmodel;
 171         used = mod->used;
 172         if (mod->surfmesh.ebo3i)
 173                 R_Mesh_DestroyBufferObject(mod->surfmesh.ebo3i);
 174         if (mod->surfmesh.ebo3s)
 175                 R_Mesh_DestroyBufferObject(mod->surfmesh.ebo3s);
 176         if (mod->surfmesh.vbo)
 177                 R_Mesh_DestroyBufferObject(mod->surfmesh.vbo);
 178         // free textures/memory attached to the model
 179         R_FreeTexturePool(&mod->texturepool);
 180         Mem_FreePool(&mod->mempool);
 181         // clear the struct to make it available
 182         memset(mod, 0, sizeof(dp_model_t));
 183         // restore the fields we want to preserve
 184         strlcpy(mod->name, name, sizeof(mod->name));
 185         mod->brush.parentmodel = parentmodel;
 186         mod->used = used;
 187         mod->loaded = false;
 188 }
 189
 190 void R_Model_Null_Draw(entity_render_t *ent)
 191 {
 192         return;
 193 }
 194
 195
 196 typedef void (*mod_framegroupify_parsegroups_t) (unsigned int i, int start, int len, float fps, qboolean loop, void *pass);
 197
 198 int Mod_FrameGroupify_ParseGroups(const char *buf, mod_framegroupify_parsegroups_t cb, void *pass)
 199 {
 200         const char *bufptr;
 201         int start, len;
 202         float fps;
 203         unsigned int i;
 204         qboolean loop;
 205
 206         bufptr = buf;
 207         i = 0;
 208         for(;;)
 209         {
 210                 // an anim scene!
 211                 if (!COM_ParseToken_Simple(&bufptr, true, false))
 212                         break;
 213                 if (!strcmp(com_token, "\n"))
 214                         continue; // empty line
 215                 start = atoi(com_token);
 216                 if (!COM_ParseToken_Simple(&bufptr, true, false))
 217                         break;
 218                 if (!strcmp(com_token, "\n"))
 219                 {
 220                         Con_Printf("framegroups file: missing number of frames\n");
 221                         continue;
 222                 }
 223                 len = atoi(com_token);
 224                 if (!COM_ParseToken_Simple(&bufptr, true, false))
 225                         break;
 226                 // we default to looping as it's usually wanted, so to NOT loop you append a 0
 227                 if (strcmp(com_token, "\n"))
 228                 {
 229                         fps = atof(com_token);
 230                         if (!COM_ParseToken_Simple(&bufptr, true, false))
 231                                 break;
 232                         if (strcmp(com_token, "\n"))
 233                                 loop = atoi(com_token) != 0;
 234                         else
 235                                 loop = true;
 236                 }
 237                 else
 238                 {
 239                         fps = 20;
 240                         loop = true;
 241                 }
 242
 243                 if(cb)
 244                         cb(i, start, len, fps, loop, pass);
 245                 ++i;
 246         }
 247
 248         return i;
 249 }
 250
 251 void Mod_FrameGroupify_ParseGroups_Count (unsigned int i, int start, int len, float fps, qboolean loop, void *pass)
 252 {
 253         unsigned int *cnt = (unsigned int *) pass;
 254         ++*cnt;
 255 }
 256
 257 void Mod_FrameGroupify_ParseGroups_Store (unsigned int i, int start, int len, float fps, qboolean loop, void *pass)
 258 {
 259         dp_model_t *mod = (dp_model_t *) pass;
 260         animscene_t *anim = &mod->animscenes[i];
 261         dpsnprintf(anim->name, sizeof(anim[i].name), "groupified_%d", i);
 262         anim->firstframe = bound(0, start, mod->num_poses - 1);
 263         anim->framecount = bound(1, len, mod->num_poses - anim->firstframe);
 264         anim->framerate = max(1, fps);
 265         anim->loop = !!loop;
 266         //Con_Printf("frame group %d is %d %d %f %d\n", i, start, len, fps, loop);
 267 }
 268
 269 void Mod_FrameGroupify(dp_model_t *mod, const char *buf)
 270 {
 271         unsigned int cnt;
 272
 273         // 0. count
 274         cnt = Mod_FrameGroupify_ParseGroups(buf, NULL, NULL);
 275         if(!cnt)
 276         {
 277                 Con_Printf("no scene found in framegroups file, aborting\n");
 278                 return;
 279         }
 280         mod->numframes = cnt;
 281
 282         // 1. reallocate
 283         // (we do not free the previous animscenes, but model unloading will free the pool owning them, so it's okay)
 284         mod->animscenes = (animscene_t *) Mem_Alloc(mod->mempool, sizeof(animscene_t) * mod->numframes);
 285
 286         // 2. parse
 287         Mod_FrameGroupify_ParseGroups(buf, Mod_FrameGroupify_ParseGroups_Store, mod);
 288 }
 289
 290 /*
 291 ==================
 292 Mod_LoadModel
 293
 294 Loads a model
 295 ==================
 296 */
 297 dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk)
 298 {
 299         int num;
 300         unsigned int crc;
 301         void *buf;
 302         fs_offset_t filesize;
 303
 304         mod->used = true;
 305
 306         if (mod->name[0] == '*') // submodel
 307                 return mod;
 308
 309         if (!strcmp(mod->name, "null"))
 310         {
 311                 if(mod->loaded)
 312                         return mod;
 313
 314                 if (mod->loaded || mod->mempool)
 315                         Mod_UnloadModel(mod);
 316
 317                 if (developer_loading.integer)
 318                         Con_Printf("loading model %s\n", mod->name);
 319
 320                 mod->used = true;
 321                 mod->crc = (unsigned int)-1;
 322                 mod->loaded = false;
 323
 324                 VectorClear(mod->normalmins);
 325                 VectorClear(mod->normalmaxs);
 326                 VectorClear(mod->yawmins);
 327                 VectorClear(mod->yawmaxs);
 328                 VectorClear(mod->rotatedmins);
 329                 VectorClear(mod->rotatedmaxs);
 330
 331                 mod->modeldatatypestring = "null";
 332                 mod->type = mod_null;
 333                 mod->Draw = R_Model_Null_Draw;
 334                 mod->numframes = 2;
 335                 mod->numskins = 1;
 336
 337                 // no fatal errors occurred, so this model is ready to use.
 338                 mod->loaded = true;
 339
 340                 return mod;
 341         }
 342
 343         crc = 0;
 344         buf = NULL;
 345
 346         // even if the model is loaded it still may need reloading...
 347
 348         // if it is not loaded or checkdisk is true we need to calculate the crc
 349         if (!mod->loaded || checkdisk)
 350         {
 351                 if (checkdisk && mod->loaded)
 352                         Con_DPrintf("checking model %s\n", mod->name);
 353                 buf = FS_LoadFile (mod->name, tempmempool, false, &filesize);
 354                 if (buf)
 355                 {
 356                         crc = CRC_Block((unsigned char *)buf, filesize);
 357                         // we need to reload the model if the crc does not match
 358                         if (mod->crc != crc)
 359                                 mod->loaded = false;
 360                 }
 361         }
 362
 363         // if the model is already loaded and checks passed, just return
 364         if (mod->loaded)
 365         {
 366                 if (buf)
 367                         Mem_Free(buf);
 368                 return mod;
 369         }
 370
 371         if (developer_loading.integer)
 372                 Con_Printf("loading model %s\n", mod->name);
 373
 374         SCR_PushLoadingScreen(true, mod->name, 1);
 375
 376         // LordHavoc: unload the existing model in this slot (if there is one)
 377         if (mod->loaded || mod->mempool)
 378                 Mod_UnloadModel(mod);
 379
 380         // load the model
 381         mod->used = true;
 382         mod->crc = crc;
 383         // errors can prevent the corresponding mod->loaded = true;
 384         mod->loaded = false;
 385
 386         // default model radius and bounding box (mainly for missing models)
 387         mod->radius = 16;
 388         VectorSet(mod->normalmins, -mod->radius, -mod->radius, -mod->radius);
 389         VectorSet(mod->normalmaxs, mod->radius, mod->radius, mod->radius);
 390         VectorSet(mod->yawmins, -mod->radius, -mod->radius, -mod->radius);
 391         VectorSet(mod->yawmaxs, mod->radius, mod->radius, mod->radius);
 392         VectorSet(mod->rotatedmins, -mod->radius, -mod->radius, -mod->radius);
 393         VectorSet(mod->rotatedmaxs, mod->radius, mod->radius, mod->radius);
 394
 395         if (!q3shaders_mem)
 396         {
 397                 // load q3 shaders for the first time, or after a level change
 398                 Mod_LoadQ3Shaders();
 399         }
 400
 401         if (buf)
 402         {
 403                 char *bufend = (char *)buf + filesize;
 404
 405                 // all models use memory, so allocate a memory pool
 406                 mod->mempool = Mem_AllocPool(mod->name, 0, NULL);
 407
 408                 num = LittleLong(*((int *)buf));
 409                 // call the apropriate loader
 410                 loadmodel = mod;
 411                      if (!strcasecmp(FS_FileExtension(mod->name), "obj")) Mod_OBJ_Load(mod, buf, bufend);
 412                 else if (!memcmp(buf, "IDPO", 4)) Mod_IDP0_Load(mod, buf, bufend);
 413                 else if (!memcmp(buf, "IDP2", 4)) Mod_IDP2_Load(mod, buf, bufend);
 414                 else if (!memcmp(buf, "IDP3", 4)) Mod_IDP3_Load(mod, buf, bufend);
 415                 else if (!memcmp(buf, "IDSP", 4)) Mod_IDSP_Load(mod, buf, bufend);
 416                 else if (!memcmp(buf, "IDS2", 4)) Mod_IDS2_Load(mod, buf, bufend);
 417                 else if (!memcmp(buf, "IBSP", 4)) Mod_IBSP_Load(mod, buf, bufend);
 418                 else if (!memcmp(buf, "ZYMOTICMODEL", 12)) Mod_ZYMOTICMODEL_Load(mod, buf, bufend);
 419                 else if (!memcmp(buf, "DARKPLACESMODEL", 16)) Mod_DARKPLACESMODEL_Load(mod, buf, bufend);
 420                 else if (!memcmp(buf, "ACTRHEAD", 8)) Mod_PSKMODEL_Load(mod, buf, bufend);
 421                 else if (strlen(mod->name) >= 4 && !strcmp(mod->name + strlen(mod->name) - 4, ".map")) Mod_MAP_Load(mod, buf, bufend);
 422                 else if (num == BSPVERSION || num == 30) Mod_Q1BSP_Load(mod, buf, bufend);
 423                 else Con_Printf("Mod_LoadModel: model \"%s\" is of unknown/unsupported type\n", mod->name);
 424                 Mem_Free(buf);
 425
 426                 buf = FS_LoadFile (va("%s.framegroups", mod->name), tempmempool, false, &filesize);
 427                 if(buf)
 428                 {
 429                         Mod_FrameGroupify(mod, (const char *)buf);
 430                         Mem_Free(buf);
 431                 }
 432
 433                 Mod_BuildVBOs();
 434         }
 435         else if (crash)
 436         {
 437                 // LordHavoc: Sys_Error was *ANNOYING*
 438                 Con_Printf ("Mod_LoadModel: %s not found\n", mod->name);
 439         }
 440
 441         // no fatal errors occurred, so this model is ready to use.
 442         mod->loaded = true;
 443
 444         SCR_PopLoadingScreen(false);
 445
 446         return mod;
 447 }
 448
 449 void Mod_ClearUsed(void)
 450 {
 451         int i;
 452         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 453         dp_model_t *mod;
 454         for (i = 0;i < nummodels;i++)
 455                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0])
 456                         mod->used = false;
 457 }
 458
 459 void Mod_PurgeUnused(void)
 460 {
 461         int i;
 462         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 463         dp_model_t *mod;
 464         for (i = 0;i < nummodels;i++)
 465         {
 466                 if ((mod = (dp_model_t*) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && !mod->used)
 467                 {
 468                         Mod_UnloadModel(mod);
 469                         Mem_ExpandableArray_FreeRecord(&models, mod);
 470                 }
 471         }
 472 }
 473
 474 /*
 475 ==================
 476 Mod_FindName
 477
 478 ==================
 479 */
 480 dp_model_t *Mod_FindName(const char *name, const char *parentname)
 481 {
 482         int i;
 483         int nummodels;
 484         dp_model_t *mod;
 485
 486         if (!parentname)
 487                 parentname = "";
 488
 489         // if we're not dedicatd, the renderer calls will crash without video
 490         Host_StartVideo();
 491
 492         nummodels = Mem_ExpandableArray_IndexRange(&models);
 493
 494         if (!name[0])
 495                 Host_Error ("Mod_ForName: NULL name");
 496
 497         // search the currently loaded models
 498         for (i = 0;i < nummodels;i++)
 499         {
 500                 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))))
 501                 {
 502                         mod->used = true;
 503                         return mod;
 504                 }
 505         }
 506
 507         // no match found, create a new one
 508         mod = (dp_model_t *) Mem_ExpandableArray_AllocRecord(&models);
 509         strlcpy(mod->name, name, sizeof(mod->name));
 510         if (parentname[0])
 511                 mod->brush.parentmodel = Mod_FindName(parentname, NULL);
 512         else
 513                 mod->brush.parentmodel = NULL;
 514         mod->loaded = false;
 515         mod->used = true;
 516         return mod;
 517 }
 518
 519 /*
 520 ==================
 521 Mod_ForName
 522
 523 Loads in a model for the given name
 524 ==================
 525 */
 526 dp_model_t *Mod_ForName(const char *name, qboolean crash, qboolean checkdisk, const char *parentname)
 527 {
 528         dp_model_t *model;
 529         model = Mod_FindName(name, parentname);
 530         if (!model->loaded || checkdisk)
 531                 Mod_LoadModel(model, crash, checkdisk);
 532         return model;
 533 }
 534
 535 /*
 536 ==================
 537 Mod_Reload
 538
 539 Reloads all models if they have changed
 540 ==================
 541 */
 542 void Mod_Reload(void)
 543 {
 544         int i, count;
 545         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 546         dp_model_t *mod;
 547
 548         SCR_PushLoadingScreen(false, "Reloading models", 1.0);
 549         count = 0;
 550         for (i = 0;i < nummodels;i++)
 551                 if ((mod = (dp_model_t *) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*' && mod->used)
 552                         ++count;
 553         for (i = 0;i < nummodels;i++)
 554                 if ((mod = (dp_model_t *) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*' && mod->used)
 555                 {
 556                         SCR_PushLoadingScreen(true, mod->name, 1.0 / count);
 557                         Mod_LoadModel(mod, true, true);
 558                         SCR_PopLoadingScreen(false);
 559                 }
 560         SCR_PopLoadingScreen(false);
 561 }
 562
 563 unsigned char *mod_base;
 564
 565
 566 //=============================================================================
 567
 568 /*
 569 ================
 570 Mod_Print
 571 ================
 572 */
 573 static void Mod_Print(void)
 574 {
 575         int i;
 576         int nummodels = Mem_ExpandableArray_IndexRange(&models);
 577         dp_model_t *mod;
 578
 579         Con_Print("Loaded models:\n");
 580         for (i = 0;i < nummodels;i++)
 581         {
 582                 if ((mod = (dp_model_t *) Mem_ExpandableArray_RecordAtIndex(&models, i)) && mod->name[0] && mod->name[0] != '*')
 583                 {
 584                         if (mod->brush.numsubmodels)
 585                                 Con_Printf("%4iK %s (%i submodels)\n", mod->mempool ? (int)((mod->mempool->totalsize + 1023) / 1024) : 0, mod->name, mod->brush.numsubmodels);
 586                         else
 587                                 Con_Printf("%4iK %s\n", mod->mempool ? (int)((mod->mempool->totalsize + 1023) / 1024) : 0, mod->name);
 588                 }
 589         }
 590 }
 591
 592 /*
 593 ================
 594 Mod_Precache
 595 ================
 596 */
 597 static void Mod_Precache(void)
 598 {
 599         if (Cmd_Argc() == 2)
 600                 Mod_ForName(Cmd_Argv(1), false, true, Cmd_Argv(1)[0] == '*' ? cl.model_name[1] : NULL);
 601         else
 602                 Con_Print("usage: modelprecache <filename>\n");
 603 }
 604
 605 int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices)
 606 {
 607         int i, count;
 608         unsigned char *used;
 609         used = (unsigned char *)Mem_Alloc(tempmempool, numvertices);
 610         memset(used, 0, numvertices);
 611         for (i = 0;i < numelements;i++)
 612                 used[elements[i]] = 1;
 613         for (i = 0, count = 0;i < numvertices;i++)
 614                 remapvertices[i] = used[i] ? count++ : -1;
 615         Mem_Free(used);
 616         return count;
 617 }
 618
 619 #if 1
 620 // fast way, using an edge hash
 621 #define TRIANGLEEDGEHASH 8192
 622 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles)
 623 {
 624         int i, j, p, e1, e2, *n, hashindex, count, match;
 625         const int *e;
 626         typedef struct edgehashentry_s
 627         {
 628                 struct edgehashentry_s *next;
 629                 int triangle;
 630                 int element[2];
 631         }
 632         edgehashentry_t;
 633         edgehashentry_t *edgehash[TRIANGLEEDGEHASH], *edgehashentries, edgehashentriesbuffer[TRIANGLEEDGEHASH*3], *hash;
 634         memset(edgehash, 0, sizeof(edgehash));
 635         edgehashentries = edgehashentriesbuffer;
 636         // if there are too many triangles for the stack array, allocate larger buffer
 637         if (numtriangles > TRIANGLEEDGEHASH)
 638                 edgehashentries = (edgehashentry_t *)Mem_Alloc(tempmempool, numtriangles * 3 * sizeof(edgehashentry_t));
 639         // find neighboring triangles
 640         for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
 641         {
 642                 for (j = 0, p = 2;j < 3;p = j, j++)
 643                 {
 644                         e1 = e[p];
 645                         e2 = e[j];
 646                         // this hash index works for both forward and backward edges
 647                         hashindex = (unsigned int)(e1 + e2) % TRIANGLEEDGEHASH;
 648                         hash = edgehashentries + i * 3 + j;
 649                         hash->next = edgehash[hashindex];
 650                         edgehash[hashindex] = hash;
 651                         hash->triangle = i;
 652                         hash->element[0] = e1;
 653                         hash->element[1] = e2;
 654                 }
 655         }
 656         for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
 657         {
 658                 for (j = 0, p = 2;j < 3;p = j, j++)
 659                 {
 660                         e1 = e[p];
 661                         e2 = e[j];
 662                         // this hash index works for both forward and backward edges
 663                         hashindex = (unsigned int)(e1 + e2) % TRIANGLEEDGEHASH;
 664                         count = 0;
 665                         match = -1;
 666                         for (hash = edgehash[hashindex];hash;hash = hash->next)
 667                         {
 668                                 if (hash->element[0] == e2 && hash->element[1] == e1)
 669                                 {
 670                                         if (hash->triangle != i)
 671                                                 match = hash->triangle;
 672                                         count++;
 673                                 }
 674                                 else if ((hash->element[0] == e1 && hash->element[1] == e2))
 675                                         count++;
 676                         }
 677                         // detect edges shared by three triangles and make them seams
 678                         if (count > 2)
 679                                 match = -1;
 680                         n[p] = match;
 681                 }
 682
 683                 // also send a keepalive here (this can take a while too!)
 684                 CL_KeepaliveMessage(false);
 685         }
 686         // free the allocated buffer
 687         if (edgehashentries != edgehashentriesbuffer)
 688                 Mem_Free(edgehashentries);
 689 }
 690 #else
 691 // very slow but simple way
 692 static int Mod_FindTriangleWithEdge(const int *elements, int numtriangles, int start, int end, int ignore)
 693 {
 694         int i, match, count;
 695         count = 0;
 696         match = -1;
 697         for (i = 0;i < numtriangles;i++, elements += 3)
 698         {
 699                      if ((elements[0] == start && elements[1] == end)
 700                       || (elements[1] == start && elements[2] == end)
 701                       || (elements[2] == start && elements[0] == end))
 702                 {
 703                         if (i != ignore)
 704                                 match = i;
 705                         count++;
 706                 }
 707                 else if ((elements[1] == start && elements[0] == end)
 708                       || (elements[2] == start && elements[1] == end)
 709                       || (elements[0] == start && elements[2] == end))
 710                         count++;
 711         }
 712         // detect edges shared by three triangles and make them seams
 713         if (count > 2)
 714                 match = -1;
 715         return match;
 716 }
 717
 718 void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles)
 719 {
 720         int i, *n;
 721         const int *e;
 722         for (i = 0, e = elements, n = neighbors;i < numtriangles;i++, e += 3, n += 3)
 723         {
 724                 n[0] = Mod_FindTriangleWithEdge(elements, numtriangles, e[1], e[0], i);
 725                 n[1] = Mod_FindTriangleWithEdge(elements, numtriangles, e[2], e[1], i);
 726                 n[2] = Mod_FindTriangleWithEdge(elements, numtriangles, e[0], e[2], i);
 727         }
 728 }
 729 #endif
 730
 731 void Mod_ValidateElements(int *elements, int numtriangles, int firstvertex, int numverts, const char *filename, int fileline)
 732 {
 733         int i, warned = false, endvertex = firstvertex + numverts;
 734         for (i = 0;i < numtriangles * 3;i++)
 735         {
 736                 if (elements[i] < firstvertex || elements[i] >= endvertex)
 737                 {
 738                         if (!warned)
 739                         {
 740                                 warned = true;
 741                                 Con_Printf("Mod_ValidateElements: out of bounds elements detected at %s:%d\n", filename, fileline);
 742                         }
 743                         elements[i] = firstvertex;
 744                 }
 745         }
 746 }
 747
 748 // warning: this is an expensive function!
 749 void Mod_BuildNormals(int firstvertex, int numvertices, int numtriangles, const float *vertex3f, const int *elements, float *normal3f, qboolean areaweighting)
 750 {
 751         int i, j;
 752         const int *element;
 753         float *vectorNormal;
 754         float areaNormal[3];
 755         // clear the vectors
 756         memset(normal3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
 757         // process each vertex of each triangle and accumulate the results
 758         // use area-averaging, to make triangles with a big area have a bigger
 759         // weighting on the vertex normal than triangles with a small area
 760         // to do so, just add the 'normals' together (the bigger the area
 761         // the greater the length of the normal is
 762         element = elements;
 763         for (i = 0; i < numtriangles; i++, element += 3)
 764         {
 765                 TriangleNormal(
 766                         vertex3f + element[0] * 3,
 767                         vertex3f + element[1] * 3,
 768                         vertex3f + element[2] * 3,
 769                         areaNormal
 770                         );
 771
 772                 if (!areaweighting)
 773                         VectorNormalize(areaNormal);
 774
 775                 for (j = 0;j < 3;j++)
 776                 {
 777                         vectorNormal = normal3f + element[j] * 3;
 778                         vectorNormal[0] += areaNormal[0];
 779                         vectorNormal[1] += areaNormal[1];
 780                         vectorNormal[2] += areaNormal[2];
 781                 }
 782         }
 783         // and just normalize the accumulated vertex normal in the end
 784         vectorNormal = normal3f + 3 * firstvertex;
 785         for (i = 0; i < numvertices; i++, vectorNormal += 3)
 786                 VectorNormalize(vectorNormal);
 787 }
 788
 789 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)
 790 {
 791         float f, tangentcross[3], v10[3], v20[3], tc10[2], tc20[2];
 792         // 79 add/sub/negate/multiply (1 cycle), 1 compare (3 cycle?), total cycles not counting load/store/exchange roughly 82 cycles
 793         // 6 add, 28 subtract, 39 multiply, 1 compare, 50% chance of 6 negates
 794
 795         // 6 multiply, 9 subtract
 796         VectorSubtract(v1, v0, v10);
 797         VectorSubtract(v2, v0, v20);
 798         normal3f[0] = v20[1] * v10[2] - v20[2] * v10[1];
 799         normal3f[1] = v20[2] * v10[0] - v20[0] * v10[2];
 800         normal3f[2] = v20[0] * v10[1] - v20[1] * v10[0];
 801         // 12 multiply, 10 subtract
 802         tc10[1] = tc1[1] - tc0[1];
 803         tc20[1] = tc2[1] - tc0[1];
 804         svector3f[0] = tc10[1] * v20[0] - tc20[1] * v10[0];
 805         svector3f[1] = tc10[1] * v20[1] - tc20[1] * v10[1];
 806         svector3f[2] = tc10[1] * v20[2] - tc20[1] * v10[2];
 807         tc10[0] = tc1[0] - tc0[0];
 808         tc20[0] = tc2[0] - tc0[0];
 809         tvector3f[0] = tc10[0] * v20[0] - tc20[0] * v10[0];
 810         tvector3f[1] = tc10[0] * v20[1] - tc20[0] * v10[1];
 811         tvector3f[2] = tc10[0] * v20[2] - tc20[0] * v10[2];
 812         // 12 multiply, 4 add, 6 subtract
 813         f = DotProduct(svector3f, normal3f);
 814         svector3f[0] -= f * normal3f[0];
 815         svector3f[1] -= f * normal3f[1];
 816         svector3f[2] -= f * normal3f[2];
 817         f = DotProduct(tvector3f, normal3f);
 818         tvector3f[0] -= f * normal3f[0];
 819         tvector3f[1] -= f * normal3f[1];
 820         tvector3f[2] -= f * normal3f[2];
 821         // if texture is mapped the wrong way (counterclockwise), the tangents
 822         // have to be flipped, this is detected by calculating a normal from the
 823         // two tangents, and seeing if it is opposite the surface normal
 824         // 9 multiply, 2 add, 3 subtract, 1 compare, 50% chance of: 6 negates
 825         CrossProduct(tvector3f, svector3f, tangentcross);
 826         if (DotProduct(tangentcross, normal3f) < 0)
 827         {
 828                 VectorNegate(svector3f, svector3f);
 829                 VectorNegate(tvector3f, tvector3f);
 830         }
 831 }
 832
 833 // warning: this is a very expensive function!
 834 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)
 835 {
 836         int i, tnum;
 837         float sdir[3], tdir[3], normal[3], *sv, *tv;
 838         const float *v0, *v1, *v2, *tc0, *tc1, *tc2, *n;
 839         float f, tangentcross[3], v10[3], v20[3], tc10[2], tc20[2];
 840         const int *e;
 841         // clear the vectors
 842         memset(svector3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
 843         memset(tvector3f + 3 * firstvertex, 0, numvertices * sizeof(float[3]));
 844         // process each vertex of each triangle and accumulate the results
 845         for (tnum = 0, e = elements;tnum < numtriangles;tnum++, e += 3)
 846         {
 847                 v0 = vertex3f + e[0] * 3;
 848                 v1 = vertex3f + e[1] * 3;
 849                 v2 = vertex3f + e[2] * 3;
 850                 tc0 = texcoord2f + e[0] * 2;
 851                 tc1 = texcoord2f + e[1] * 2;
 852                 tc2 = texcoord2f + e[2] * 2;
 853
 854                 // 79 add/sub/negate/multiply (1 cycle), 1 compare (3 cycle?), total cycles not counting load/store/exchange roughly 82 cycles
 855                 // 6 add, 28 subtract, 39 multiply, 1 compare, 50% chance of 6 negates
 856
 857                 // calculate the edge directions and surface normal
 858                 // 6 multiply, 9 subtract
 859                 VectorSubtract(v1, v0, v10);
 860                 VectorSubtract(v2, v0, v20);
 861                 normal[0] = v20[1] * v10[2] - v20[2] * v10[1];
 862                 normal[1] = v20[2] * v10[0] - v20[0] * v10[2];
 863                 normal[2] = v20[0] * v10[1] - v20[1] * v10[0];
 864
 865                 // calculate the tangents
 866                 // 12 multiply, 10 subtract
 867                 tc10[1] = tc1[1] - tc0[1];
 868                 tc20[1] = tc2[1] - tc0[1];
 869                 sdir[0] = tc10[1] * v20[0] - tc20[1] * v10[0];
 870                 sdir[1] = tc10[1] * v20[1] - tc20[1] * v10[1];
 871                 sdir[2] = tc10[1] * v20[2] - tc20[1] * v10[2];
 872                 tc10[0] = tc1[0] - tc0[0];
 873                 tc20[0] = tc2[0] - tc0[0];
 874                 tdir[0] = tc10[0] * v20[0] - tc20[0] * v10[0];
 875                 tdir[1] = tc10[0] * v20[1] - tc20[0] * v10[1];
 876                 tdir[2] = tc10[0] * v20[2] - tc20[0] * v10[2];
 877
 878                 // if texture is mapped the wrong way (counterclockwise), the tangents
 879                 // have to be flipped, this is detected by calculating a normal from the
 880                 // two tangents, and seeing if it is opposite the surface normal
 881                 // 9 multiply, 2 add, 3 subtract, 1 compare, 50% chance of: 6 negates
 882                 CrossProduct(tdir, sdir, tangentcross);
 883                 if (DotProduct(tangentcross, normal) < 0)
 884                 {
 885                         VectorNegate(sdir, sdir);
 886                         VectorNegate(tdir, tdir);
 887                 }
 888
 889                 if (!areaweighting)
 890                 {
 891                         VectorNormalize(sdir);
 892                         VectorNormalize(tdir);
 893                 }
 894                 for (i = 0;i < 3;i++)
 895                 {
 896                         VectorAdd(svector3f + e[i]*3, sdir, svector3f + e[i]*3);
 897                         VectorAdd(tvector3f + e[i]*3, tdir, tvector3f + e[i]*3);
 898                 }
 899         }
 900         // make the tangents completely perpendicular to the surface normal, and
 901         // then normalize them
 902         // 16 assignments, 2 divide, 2 sqrt, 2 negates, 14 adds, 24 multiplies
 903         for (i = 0, sv = svector3f + 3 * firstvertex, tv = tvector3f + 3 * firstvertex, n = normal3f + 3 * firstvertex;i < numvertices;i++, sv += 3, tv += 3, n += 3)
 904         {
 905                 f = -DotProduct(sv, n);
 906                 VectorMA(sv, f, n, sv);
 907                 VectorNormalize(sv);
 908                 f = -DotProduct(tv, n);
 909                 VectorMA(tv, f, n, tv);
 910                 VectorNormalize(tv);
 911         }
 912 }
 913
 914 void Mod_AllocSurfMesh(mempool_t *mempool, int numvertices, int numtriangles, qboolean lightmapoffsets, qboolean vertexcolors, qboolean neighbors)
 915 {
 916         unsigned char *data;
 917         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));
 918         loadmodel->surfmesh.num_vertices = numvertices;
 919         loadmodel->surfmesh.num_triangles = numtriangles;
 920         if (loadmodel->surfmesh.num_vertices)
 921         {
 922                 loadmodel->surfmesh.data_vertex3f = (float *)data, data += sizeof(float[3]) * loadmodel->surfmesh.num_vertices;
 923                 loadmodel->surfmesh.data_svector3f = (float *)data, data += sizeof(float[3]) * loadmodel->surfmesh.num_vertices;
 924                 loadmodel->surfmesh.data_tvector3f = (float *)data, data += sizeof(float[3]) * loadmodel->surfmesh.num_vertices;
 925                 loadmodel->surfmesh.data_normal3f = (float *)data, data += sizeof(float[3]) * loadmodel->surfmesh.num_vertices;
 926                 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data, data += sizeof(float[2]) * loadmodel->surfmesh.num_vertices;
 927                 loadmodel->surfmesh.data_texcoordlightmap2f = (float *)data, data += sizeof(float[2]) * loadmodel->surfmesh.num_vertices;
 928                 if (vertexcolors)
 929                         loadmodel->surfmesh.data_lightmapcolor4f = (float *)data, data += sizeof(float[4]) * loadmodel->surfmesh.num_vertices;
 930                 if (lightmapoffsets)
 931                         loadmodel->surfmesh.data_lightmapoffsets = (int *)data, data += sizeof(int) * loadmodel->surfmesh.num_vertices;
 932         }
 933         if (loadmodel->surfmesh.num_triangles)
 934         {
 935                 loadmodel->surfmesh.data_element3i = (int *)data, data += sizeof(int[3]) * loadmodel->surfmesh.num_triangles;
 936                 if (neighbors)
 937                         loadmodel->surfmesh.data_neighbor3i = (int *)data, data += sizeof(int[3]) * loadmodel->surfmesh.num_triangles;
 938                 if (loadmodel->surfmesh.num_vertices <= 65536)
 939                         loadmodel->surfmesh.data_element3s = (unsigned short *)data, data += sizeof(unsigned short[3]) * loadmodel->surfmesh.num_triangles;
 940         }
 941 }
 942
 943 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)
 944 {
 945         shadowmesh_t *newmesh;
 946         unsigned char *data;
 947         int size;
 948         size = sizeof(shadowmesh_t);
 949         size += maxverts * sizeof(float[3]);
 950         if (light)
 951                 size += maxverts * sizeof(float[11]);
 952         size += maxtriangles * sizeof(int[3]);
 953         if (maxverts <= 65536)
 954                 size += maxtriangles * sizeof(unsigned short[3]);
 955         if (neighbors)
 956                 size += maxtriangles * sizeof(int[3]);
 957         if (expandable)
 958                 size += SHADOWMESHVERTEXHASH * sizeof(shadowmeshvertexhash_t *) + maxverts * sizeof(shadowmeshvertexhash_t);
 959         data = (unsigned char *)Mem_Alloc(mempool, size);
 960         newmesh = (shadowmesh_t *)data;data += sizeof(*newmesh);
 961         newmesh->map_diffuse = map_diffuse;
 962         newmesh->map_specular = map_specular;
 963         newmesh->map_normal = map_normal;
 964         newmesh->maxverts = maxverts;
 965         newmesh->maxtriangles = maxtriangles;
 966         newmesh->numverts = 0;
 967         newmesh->numtriangles = 0;
 968         memset(newmesh->sideoffsets, 0, sizeof(newmesh->sideoffsets));
 969         memset(newmesh->sidetotals, 0, sizeof(newmesh->sidetotals));
 970
 971         newmesh->vertex3f = (float *)data;data += maxverts * sizeof(float[3]);
 972         if (light)
 973         {
 974                 newmesh->svector3f = (float *)data;data += maxverts * sizeof(float[3]);
 975                 newmesh->tvector3f = (float *)data;data += maxverts * sizeof(float[3]);
 976                 newmesh->normal3f = (float *)data;data += maxverts * sizeof(float[3]);
 977                 newmesh->texcoord2f = (float *)data;data += maxverts * sizeof(float[2]);
 978         }
 979         newmesh->element3i = (int *)data;data += maxtriangles * sizeof(int[3]);
 980         if (neighbors)
 981         {
 982                 newmesh->neighbor3i = (int *)data;data += maxtriangles * sizeof(int[3]);
 983         }
 984         if (expandable)
 985         {
 986                 newmesh->vertexhashtable = (shadowmeshvertexhash_t **)data;data += SHADOWMESHVERTEXHASH * sizeof(shadowmeshvertexhash_t *);
 987                 newmesh->vertexhashentries = (shadowmeshvertexhash_t *)data;data += maxverts * sizeof(shadowmeshvertexhash_t);
 988         }
 989         if (maxverts <= 65536)
 990                 newmesh->element3s = (unsigned short *)data;data += maxtriangles * sizeof(unsigned short[3]);
 991         return newmesh;
 992 }
 993
 994 shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors)
 995 {
 996         shadowmesh_t *newmesh;
 997         newmesh = Mod_ShadowMesh_Alloc(mempool, oldmesh->numverts, oldmesh->numtriangles, oldmesh->map_diffuse, oldmesh->map_specular, oldmesh->map_normal, light, neighbors, false);
 998         newmesh->numverts = oldmesh->numverts;
 999         newmesh->numtriangles = oldmesh->numtriangles;
1000         memcpy(newmesh->sideoffsets, oldmesh->sideoffsets, sizeof(oldmesh->sideoffsets));
1001         memcpy(newmesh->sidetotals, oldmesh->sidetotals, sizeof(oldmesh->sidetotals));
1002
1003         memcpy(newmesh->vertex3f, oldmesh->vertex3f, oldmesh->numverts * sizeof(float[3]));
1004         if (newmesh->svector3f && oldmesh->svector3f)
1005         {
1006                 memcpy(newmesh->svector3f, oldmesh->svector3f, oldmesh->numverts * sizeof(float[3]));
1007                 memcpy(newmesh->tvector3f, oldmesh->tvector3f, oldmesh->numverts * sizeof(float[3]));
1008                 memcpy(newmesh->normal3f, oldmesh->normal3f, oldmesh->numverts * sizeof(float[3]));
1009                 memcpy(newmesh->texcoord2f, oldmesh->texcoord2f, oldmesh->numverts * sizeof(float[2]));
1010         }
1011         memcpy(newmesh->element3i, oldmesh->element3i, oldmesh->numtriangles * sizeof(int[3]));
1012         if (newmesh->neighbor3i && oldmesh->neighbor3i)
1013                 memcpy(newmesh->neighbor3i, oldmesh->neighbor3i, oldmesh->numtriangles * sizeof(int[3]));
1014         return newmesh;
1015 }
1016
1017 int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f)
1018 {
1019         int hashindex, vnum;
1020         shadowmeshvertexhash_t *hash;
1021         // this uses prime numbers intentionally
1022         hashindex = (unsigned int) (vertex14f[0] * 2003 + vertex14f[1] * 4001 + vertex14f[2] * 7919) % SHADOWMESHVERTEXHASH;
1023         for (hash = mesh->vertexhashtable[hashindex];hash;hash = hash->next)
1024         {
1025                 vnum = (hash - mesh->vertexhashentries);
1026                 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]))
1027                  && (mesh->svector3f == NULL || (mesh->svector3f[vnum * 3 + 0] == vertex14f[3] && mesh->svector3f[vnum * 3 + 1] == vertex14f[4] && mesh->svector3f[vnum * 3 + 2] == vertex14f[5]))
1028                  && (mesh->tvector3f == NULL || (mesh->tvector3f[vnum * 3 + 0] == vertex14f[6] && mesh->tvector3f[vnum * 3 + 1] == vertex14f[7] && mesh->tvector3f[vnum * 3 + 2] == vertex14f[8]))
1029                  && (mesh->normal3f == NULL || (mesh->normal3f[vnum * 3 + 0] == vertex14f[9] && mesh->normal3f[vnum * 3 + 1] == vertex14f[10] && mesh->normal3f[vnum * 3 + 2] == vertex14f[11]))
1030                  && (mesh->texcoord2f == NULL || (mesh->texcoord2f[vnum * 2 + 0] == vertex14f[12] && mesh->texcoord2f[vnum * 2 + 1] == vertex14f[13])))
1031                         return hash - mesh->vertexhashentries;
1032         }
1033         vnum = mesh->numverts++;
1034         hash = mesh->vertexhashentries + vnum;
1035         hash->next = mesh->vertexhashtable[hashindex];
1036         mesh->vertexhashtable[hashindex] = hash;
1037         if (mesh->vertex3f) {mesh->vertex3f[vnum * 3 + 0] = vertex14f[0];mesh->vertex3f[vnum * 3 + 1] = vertex14f[1];mesh->vertex3f[vnum * 3 + 2] = vertex14f[2];}
1038         if (mesh->svector3f) {mesh->svector3f[vnum * 3 + 0] = vertex14f[3];mesh->svector3f[vnum * 3 + 1] = vertex14f[4];mesh->svector3f[vnum * 3 + 2] = vertex14f[5];}
1039         if (mesh->tvector3f) {mesh->tvector3f[vnum * 3 + 0] = vertex14f[6];mesh->tvector3f[vnum * 3 + 1] = vertex14f[7];mesh->tvector3f[vnum * 3 + 2] = vertex14f[8];}
1040         if (mesh->normal3f) {mesh->normal3f[vnum * 3 + 0] = vertex14f[9];mesh->normal3f[vnum * 3 + 1] = vertex14f[10];mesh->normal3f[vnum * 3 + 2] = vertex14f[11];}
1041         if (mesh->texcoord2f) {mesh->texcoord2f[vnum * 2 + 0] = vertex14f[12];mesh->texcoord2f[vnum * 2 + 1] = vertex14f[13];}
1042         return vnum;
1043 }
1044
1045 void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f)
1046 {
1047         if (mesh->numtriangles == 0)
1048         {
1049                 // set the properties on this empty mesh to be more favorable...
1050                 // (note: this case only occurs for the first triangle added to a new mesh chain)
1051                 mesh->map_diffuse = map_diffuse;
1052                 mesh->map_specular = map_specular;
1053                 mesh->map_normal = map_normal;
1054         }
1055         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)
1056         {
1057                 if (mesh->next == NULL)
1058                         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);
1059                 mesh = mesh->next;
1060         }
1061         mesh->element3i[mesh->numtriangles * 3 + 0] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 0);
1062         mesh->element3i[mesh->numtriangles * 3 + 1] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 1);
1063         mesh->element3i[mesh->numtriangles * 3 + 2] = Mod_ShadowMesh_AddVertex(mesh, vertex14f + 14 * 2);
1064         mesh->numtriangles++;
1065 }
1066
1067 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)
1068 {
1069         int i, j, e;
1070         float vbuf[3*14], *v;
1071         memset(vbuf, 0, sizeof(vbuf));
1072         for (i = 0;i < numtris;i++)
1073         {
1074                 for (j = 0, v = vbuf;j < 3;j++, v += 14)
1075                 {
1076                         e = *element3i++;
1077                         if (vertex3f)
1078                         {
1079                                 v[0] = vertex3f[e * 3 + 0];
1080                                 v[1] = vertex3f[e * 3 + 1];
1081                                 v[2] = vertex3f[e * 3 + 2];
1082                         }
1083                         if (svector3f)
1084                         {
1085                                 v[3] = svector3f[e * 3 + 0];
1086                                 v[4] = svector3f[e * 3 + 1];
1087                                 v[5] = svector3f[e * 3 + 2];
1088                         }
1089                         if (tvector3f)
1090                         {
1091                                 v[6] = tvector3f[e * 3 + 0];
1092                                 v[7] = tvector3f[e * 3 + 1];
1093                                 v[8] = tvector3f[e * 3 + 2];
1094                         }
1095                         if (normal3f)
1096                         {
1097                                 v[9] = normal3f[e * 3 + 0];
1098                                 v[10] = normal3f[e * 3 + 1];
1099                                 v[11] = normal3f[e * 3 + 2];
1100                         }
1101                         if (texcoord2f)
1102                         {
1103                                 v[12] = texcoord2f[e * 2 + 0];
1104                                 v[13] = texcoord2f[e * 2 + 1];
1105                         }
1106                 }
1107                 Mod_ShadowMesh_AddTriangle(mempool, mesh, map_diffuse, map_specular, map_normal, vbuf);
1108         }
1109
1110         // the triangle calculation can take a while, so let's do a keepalive here
1111         CL_KeepaliveMessage(false);
1112 }
1113
1114 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)
1115 {
1116         // the preparation before shadow mesh initialization can take a while, so let's do a keepalive here
1117         CL_KeepaliveMessage(false);
1118
1119         return Mod_ShadowMesh_Alloc(mempool, maxverts, maxtriangles, map_diffuse, map_specular, map_normal, light, neighbors, expandable);
1120 }
1121
1122 static void Mod_ShadowMesh_CreateVBOs(shadowmesh_t *mesh)
1123 {
1124         if (!gl_support_arb_vertex_buffer_object)
1125                 return;
1126
1127         // element buffer is easy because it's just one array
1128         if (mesh->numtriangles)
1129         {
1130                 if (mesh->element3s)
1131                         mesh->ebo3s = R_Mesh_CreateStaticBufferObject(GL_ELEMENT_ARRAY_BUFFER_ARB, mesh->element3s, mesh->numtriangles * sizeof(unsigned short[3]), "shadowmesh");
1132                 else
1133                         mesh->ebo3i = R_Mesh_CreateStaticBufferObject(GL_ELEMENT_ARRAY_BUFFER_ARB, mesh->element3i, mesh->numtriangles * sizeof(unsigned int[3]), "shadowmesh");
1134         }
1135
1136         // vertex buffer is several arrays and we put them in the same buffer
1137         //
1138         // is this wise?  the texcoordtexture2f array is used with dynamic
1139         // vertex/svector/tvector/normal when rendering animated models, on the
1140         // other hand animated models don't use a lot of vertices anyway...
1141         if (mesh->numverts)
1142         {
1143                 size_t size;
1144                 unsigned char *mem;
1145                 size = 0;
1146                 mesh->vbooffset_vertex3f           = size;if (mesh->vertex3f          ) size += mesh->numverts * sizeof(float[3]);
1147                 mesh->vbooffset_svector3f          = size;if (mesh->svector3f         ) size += mesh->numverts * sizeof(float[3]);
1148                 mesh->vbooffset_tvector3f          = size;if (mesh->tvector3f         ) size += mesh->numverts * sizeof(float[3]);
1149                 mesh->vbooffset_normal3f           = size;if (mesh->normal3f          ) size += mesh->numverts * sizeof(float[3]);
1150                 mesh->vbooffset_texcoord2f         = size;if (mesh->texcoord2f        ) size += mesh->numverts * sizeof(float[2]);
1151                 mem = (unsigned char *)Mem_Alloc(tempmempool, size);
1152                 if (mesh->vertex3f          ) memcpy(mem + mesh->vbooffset_vertex3f          , mesh->vertex3f          , mesh->numverts * sizeof(float[3]));
1153                 if (mesh->svector3f         ) memcpy(mem + mesh->vbooffset_svector3f         , mesh->svector3f         , mesh->numverts * sizeof(float[3]));
1154                 if (mesh->tvector3f         ) memcpy(mem + mesh->vbooffset_tvector3f         , mesh->tvector3f         , mesh->numverts * sizeof(float[3]));
1155                 if (mesh->normal3f          ) memcpy(mem + mesh->vbooffset_normal3f          , mesh->normal3f          , mesh->numverts * sizeof(float[3]));
1156                 if (mesh->texcoord2f        ) memcpy(mem + mesh->vbooffset_texcoord2f        , mesh->texcoord2f        , mesh->numverts * sizeof(float[2]));
1157                 mesh->vbo = R_Mesh_CreateStaticBufferObject(GL_ARRAY_BUFFER_ARB, mem, size, "shadowmesh");
1158                 Mem_Free(mem);
1159         }
1160 }
1161
1162 shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, qboolean light, qboolean neighbors, qboolean createvbo)
1163 {
1164         shadowmesh_t *mesh, *newmesh, *nextmesh;
1165         // reallocate meshs to conserve space
1166         for (mesh = firstmesh, firstmesh = NULL;mesh;mesh = nextmesh)
1167         {
1168                 nextmesh = mesh->next;
1169                 if (mesh->numverts >= 3 && mesh->numtriangles >= 1)
1170                 {
1171                         newmesh = Mod_ShadowMesh_ReAlloc(mempool, mesh, light, neighbors);
1172                         newmesh->next = firstmesh;
1173                         firstmesh = newmesh;
1174                         if (newmesh->element3s)
1175                         {
1176                                 int i;
1177                                 for (i = 0;i < newmesh->numtriangles*3;i++)
1178                                         newmesh->element3s[i] = newmesh->element3i[i];
1179                         }
1180                         if (createvbo)
1181                                 Mod_ShadowMesh_CreateVBOs(newmesh);
1182                 }
1183                 Mem_Free(mesh);
1184         }
1185
1186         // this can take a while, so let's do a keepalive here
1187         CL_KeepaliveMessage(false);
1188
1189         return firstmesh;
1190 }
1191
1192 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius)
1193 {
1194         int i;
1195         shadowmesh_t *mesh;
1196         vec3_t nmins, nmaxs, ncenter, temp;
1197         float nradius2, dist2, *v;
1198         VectorClear(nmins);
1199         VectorClear(nmaxs);
1200         // calculate bbox
1201         for (mesh = firstmesh;mesh;mesh = mesh->next)
1202         {
1203                 if (mesh == firstmesh)
1204                 {
1205                         VectorCopy(mesh->vertex3f, nmins);
1206                         VectorCopy(mesh->vertex3f, nmaxs);
1207                 }
1208                 for (i = 0, v = mesh->vertex3f;i < mesh->numverts;i++, v += 3)
1209                 {
1210                         if (nmins[0] > v[0]) nmins[0] = v[0];if (nmaxs[0] < v[0]) nmaxs[0] = v[0];
1211                         if (nmins[1] > v[1]) nmins[1] = v[1];if (nmaxs[1] < v[1]) nmaxs[1] = v[1];
1212                         if (nmins[2] > v[2]) nmins[2] = v[2];if (nmaxs[2] < v[2]) nmaxs[2] = v[2];
1213                 }
1214         }
1215         // calculate center and radius
1216         ncenter[0] = (nmins[0] + nmaxs[0]) * 0.5f;
1217         ncenter[1] = (nmins[1] + nmaxs[1]) * 0.5f;
1218         ncenter[2] = (nmins[2] + nmaxs[2]) * 0.5f;
1219         nradius2 = 0;
1220         for (mesh = firstmesh;mesh;mesh = mesh->next)
1221         {
1222                 for (i = 0, v = mesh->vertex3f;i < mesh->numverts;i++, v += 3)
1223                 {
1224                         VectorSubtract(v, ncenter, temp);
1225                         dist2 = DotProduct(temp, temp);
1226                         if (nradius2 < dist2)
1227                                 nradius2 = dist2;
1228                 }
1229         }
1230         // return data
1231         if (mins)
1232                 VectorCopy(nmins, mins);
1233         if (maxs)
1234                 VectorCopy(nmaxs, maxs);
1235         if (center)
1236                 VectorCopy(ncenter, center);
1237         if (radius)
1238                 *radius = sqrt(nradius2);
1239 }
1240
1241 void Mod_ShadowMesh_Free(shadowmesh_t *mesh)
1242 {
1243         shadowmesh_t *nextmesh;
1244         for (;mesh;mesh = nextmesh)
1245         {
1246                 if (mesh->ebo3i)
1247                         R_Mesh_DestroyBufferObject(mesh->ebo3i);
1248                 if (mesh->ebo3s)
1249                         R_Mesh_DestroyBufferObject(mesh->ebo3s);
1250                 if (mesh->vbo)
1251                         R_Mesh_DestroyBufferObject(mesh->vbo);
1252                 nextmesh = mesh->next;
1253                 Mem_Free(mesh);
1254         }
1255 }
1256
1257 void Mod_CreateCollisionMesh(dp_model_t *mod)
1258 {
1259         int k;
1260         int numcollisionmeshtriangles;
1261         const msurface_t *surface;
1262         mempool_t *mempool = mod->mempool;
1263         if (!mempool && mod->brush.parentmodel)
1264                 mempool = mod->brush.parentmodel->mempool;
1265         // make a single combined collision mesh for physics engine use
1266         numcollisionmeshtriangles = 0;
1267         for (k = 0;k < mod->nummodelsurfaces;k++)
1268         {
1269                 surface = mod->data_surfaces + mod->firstmodelsurface + k;
1270                 if (!(surface->texture->supercontents & SUPERCONTENTS_SOLID))
1271                         continue;
1272                 numcollisionmeshtriangles += surface->num_triangles;
1273         }
1274         mod->brush.collisionmesh = Mod_ShadowMesh_Begin(mempool, numcollisionmeshtriangles * 3, numcollisionmeshtriangles, NULL, NULL, NULL, false, false, true);
1275         for (k = 0;k < mod->nummodelsurfaces;k++)
1276         {
1277                 surface = mod->data_surfaces + mod->firstmodelsurface + k;
1278                 if (!(surface->texture->supercontents & SUPERCONTENTS_SOLID))
1279                         continue;
1280                 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));
1281         }
1282         mod->brush.collisionmesh = Mod_ShadowMesh_Finish(mempool, mod->brush.collisionmesh, false, true, false);
1283 }
1284
1285 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)
1286 {
1287         float v[3], tc[3];
1288         v[0] = ix;
1289         v[1] = iy;
1290         if (ix >= 0 && iy >= 0 && ix < imagewidth && iy < imageheight)
1291                 v[2] = (imagepixels[((iy*imagewidth)+ix)*4+0] + imagepixels[((iy*imagewidth)+ix)*4+1] + imagepixels[((iy*imagewidth)+ix)*4+2]) * (1.0f / 765.0f);
1292         else
1293                 v[2] = 0;
1294         Matrix4x4_Transform(pixelstepmatrix, v, vertex3f);
1295         Matrix4x4_Transform(pixeltexturestepmatrix, v, tc);
1296         texcoord2f[0] = tc[0];
1297         texcoord2f[1] = tc[1];
1298 }
1299
1300 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)
1301 {
1302         float vup[3], vdown[3], vleft[3], vright[3];
1303         float tcup[3], tcdown[3], tcleft[3], tcright[3];
1304         float sv[3], tv[3], nl[3];
1305         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix, iy, vertex3f, texcoord2f, pixelstepmatrix, pixeltexturestepmatrix);
1306         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix, iy - 1, vup, tcup, pixelstepmatrix, pixeltexturestepmatrix);
1307         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix, iy + 1, vdown, tcdown, pixelstepmatrix, pixeltexturestepmatrix);
1308         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix - 1, iy, vleft, tcleft, pixelstepmatrix, pixeltexturestepmatrix);
1309         Mod_GetTerrainVertex3fTexCoord2fFromBGRA(imagepixels, imagewidth, imageheight, ix + 1, iy, vright, tcright, pixelstepmatrix, pixeltexturestepmatrix);
1310         Mod_BuildBumpVectors(vertex3f, vup, vright, texcoord2f, tcup, tcright, svector3f, tvector3f, normal3f);
1311         Mod_BuildBumpVectors(vertex3f, vright, vdown, texcoord2f, tcright, tcdown, sv, tv, nl);
1312         VectorAdd(svector3f, sv, svector3f);
1313         VectorAdd(tvector3f, tv, tvector3f);
1314         VectorAdd(normal3f, nl, normal3f);
1315         Mod_BuildBumpVectors(vertex3f, vdown, vleft, texcoord2f, tcdown, tcleft, sv, tv, nl);
1316         VectorAdd(svector3f, sv, svector3f);
1317         VectorAdd(tvector3f, tv, tvector3f);
1318         VectorAdd(normal3f, nl, normal3f);
1319         Mod_BuildBumpVectors(vertex3f, vleft, vup, texcoord2f, tcleft, tcup, sv, tv, nl);
1320         VectorAdd(svector3f, sv, svector3f);
1321         VectorAdd(tvector3f, tv, tvector3f);
1322         VectorAdd(normal3f, nl, normal3f);
1323 }
1324
1325 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)
1326 {
1327         int x, y, ix, iy, *e;
1328         e = element3i;
1329         for (y = 0;y < height;y++)
1330         {
1331                 for (x = 0;x < width;x++)
1332                 {
1333                         e[0] = (y + 1) * (width + 1) + (x + 0);
1334                         e[1] = (y + 0) * (width + 1) + (x + 0);
1335                         e[2] = (y + 1) * (width + 1) + (x + 1);
1336                         e[3] = (y + 0) * (width + 1) + (x + 0);
1337                         e[4] = (y + 0) * (width + 1) + (x + 1);
1338                         e[5] = (y + 1) * (width + 1) + (x + 1);
1339                         e += 6;
1340                 }
1341         }
1342         Mod_BuildTriangleNeighbors(neighbor3i, element3i, width*height*2);
1343         for (y = 0, iy = y1;y < height + 1;y++, iy++)
1344                 for (x = 0, ix = x1;x < width + 1;x++, ix++, vertex3f += 3, texcoord2f += 2, svector3f += 3, tvector3f += 3, normal3f += 3)
1345                         Mod_GetTerrainVertexFromBGRA(imagepixels, imagewidth, imageheight, ix, iy, vertex3f, texcoord2f, svector3f, tvector3f, normal3f, pixelstepmatrix, pixeltexturestepmatrix);
1346 }
1347
1348 q3wavefunc_t Mod_LoadQ3Shaders_EnumerateWaveFunc(const char *s)
1349 {
1350         if (!strcasecmp(s, "sin"))             return Q3WAVEFUNC_SIN;
1351         if (!strcasecmp(s, "square"))          return Q3WAVEFUNC_SQUARE;
1352         if (!strcasecmp(s, "triangle"))        return Q3WAVEFUNC_TRIANGLE;
1353         if (!strcasecmp(s, "sawtooth"))        return Q3WAVEFUNC_SAWTOOTH;
1354         if (!strcasecmp(s, "inversesawtooth")) return Q3WAVEFUNC_INVERSESAWTOOTH;
1355         if (!strcasecmp(s, "noise"))           return Q3WAVEFUNC_NOISE;
1356         Con_DPrintf("Mod_LoadQ3Shaders: unknown wavefunc %s\n", s);
1357         return Q3WAVEFUNC_NONE;
1358 }
1359
1360 void Mod_FreeQ3Shaders(void)
1361 {
1362         Mem_FreePool(&q3shaders_mem);
1363 }
1364
1365 static void Q3Shader_AddToHash (q3shaderinfo_t* shader)
1366 {
1367         unsigned short hash = CRC_Block_CaseInsensitive ((const unsigned char *)shader->name, strlen (shader->name));
1368         q3shader_hash_entry_t* entry = q3shader_data->hash + (hash % Q3SHADER_HASH_SIZE);
1369         q3shader_hash_entry_t* lastEntry = NULL;
1370         while (entry != NULL)
1371         {
1372                 if (strcasecmp (entry->shader.name, shader->name) == 0)
1373                 {
1374                         unsigned char *start, *end, *start2;
1375                         start = (unsigned char *) (&shader->Q3SHADERINFO_COMPARE_START);
1376                         end = ((unsigned char *) (&shader->Q3SHADERINFO_COMPARE_END)) + sizeof(shader->Q3SHADERINFO_COMPARE_END);
1377                         start2 = (unsigned char *) (&entry->shader.Q3SHADERINFO_COMPARE_START);
1378                         if(memcmp(start, start2, end - start))
1379                                 Con_Printf("Shader '%s' already defined, ignoring mismatching redeclaration\n", shader->name);
1380                         else
1381                                 Con_DPrintf("Shader '%s' already defined\n", shader->name);
1382                         return;
1383                 }
1384                 lastEntry = entry;
1385                 entry = entry->chain;
1386         }
1387         if (entry == NULL)
1388         {
1389                 if (lastEntry->shader.name[0] != 0)
1390                 {
1391                         /* Add to chain */
1392                         q3shader_hash_entry_t* newEntry = (q3shader_hash_entry_t*)
1393                           Mem_ExpandableArray_AllocRecord (&q3shader_data->hash_entries);
1394
1395                         while (lastEntry->chain != NULL) lastEntry = lastEntry->chain;
1396                         lastEntry->chain = newEntry;
1397                         newEntry->chain = NULL;
1398                         lastEntry = newEntry;
1399                 }
1400                 /* else: head of chain, in hash entry array */
1401                 entry = lastEntry;
1402         }
1403         memcpy (&entry->shader, shader, sizeof (q3shaderinfo_t));
1404 }
1405
1406 extern cvar_t r_picmipworld;
1407 void Mod_LoadQ3Shaders(void)
1408 {
1409         int j;
1410         int fileindex;
1411         fssearch_t *search;
1412         char *f;
1413         const char *text;
1414         q3shaderinfo_t shader;
1415         q3shaderinfo_layer_t *layer;
1416         int numparameters;
1417         char parameter[TEXTURE_MAXFRAMES + 4][Q3PATHLENGTH];
1418
1419         Mod_FreeQ3Shaders();
1420
1421         q3shaders_mem = Mem_AllocPool("q3shaders", 0, NULL);
1422         q3shader_data = (q3shader_data_t*)Mem_Alloc (q3shaders_mem,
1423                 sizeof (q3shader_data_t));
1424         Mem_ExpandableArray_NewArray (&q3shader_data->hash_entries,
1425                 q3shaders_mem, sizeof (q3shader_hash_entry_t), 256);
1426         Mem_ExpandableArray_NewArray (&q3shader_data->char_ptrs,
1427                 q3shaders_mem, sizeof (char**), 256);
1428
1429         search = FS_Search("scripts/*.shader", true, false);
1430         if (!search)
1431                 return;
1432         for (fileindex = 0;fileindex < search->numfilenames;fileindex++)
1433         {
1434                 text = f = (char *)FS_LoadFile(search->filenames[fileindex], tempmempool, false, NULL);
1435                 if (!f)
1436                         continue;
1437                 while (COM_ParseToken_QuakeC(&text, false))
1438                 {
1439                         memset (&shader, 0, sizeof(shader));
1440                         shader.reflectmin = 0;
1441                         shader.reflectmax = 1;
1442                         shader.refractfactor = 1;
1443                         Vector4Set(shader.refractcolor4f, 1, 1, 1, 1);
1444                         shader.reflectfactor = 1;
1445                         Vector4Set(shader.reflectcolor4f, 1, 1, 1, 1);
1446                         shader.r_water_wateralpha = 1;
1447                         shader.specularscalemod = 1;
1448                         shader.specularpowermod = 1;
1449
1450                         strlcpy(shader.name, com_token, sizeof(shader.name));
1451                         if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
1452                         {
1453                                 Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[fileindex], com_token);
1454                                 break;
1455                         }
1456                         while (COM_ParseToken_QuakeC(&text, false))
1457                         {
1458                                 if (!strcasecmp(com_token, "}"))
1459                                         break;
1460                                 if (!strcasecmp(com_token, "{"))
1461                                 {
1462                                         static q3shaderinfo_layer_t dummy;
1463                                         if (shader.numlayers < Q3SHADER_MAXLAYERS)
1464                                         {
1465                                                 layer = shader.layers + shader.numlayers++;
1466                                         }
1467                                         else
1468                                         {
1469                                                 // parse and process it anyway, just don't store it (so a map $lightmap or such stuff still is found)
1470                                                 memset(&dummy, 0, sizeof(dummy));
1471                                                 layer = &dummy;
1472                                         }
1473                                         layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITY;
1474                                         layer->alphagen.alphagen = Q3ALPHAGEN_IDENTITY;
1475                                         layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1476                                         layer->blendfunc[0] = GL_ONE;
1477                                         layer->blendfunc[1] = GL_ZERO;
1478                                         while (COM_ParseToken_QuakeC(&text, false))
1479                                         {
1480                                                 if (!strcasecmp(com_token, "}"))
1481                                                         break;
1482                                                 if (!strcasecmp(com_token, "\n"))
1483                                                         continue;
1484                                                 numparameters = 0;
1485                                                 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
1486                                                 {
1487                                                         if (j < TEXTURE_MAXFRAMES + 4)
1488                                                         {
1489                                                                 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
1490                                                                 numparameters = j + 1;
1491                                                         }
1492                                                         if (!COM_ParseToken_QuakeC(&text, true))
1493                                                                 break;
1494                                                 }
1495                                                 //for (j = numparameters;j < TEXTURE_MAXFRAMES + 4;j++)
1496                                                 //      parameter[j][0] = 0;
1497                                                 if (developer.integer >= 100)
1498                                                 {
1499                                                         Con_Printf("%s %i: ", shader.name, shader.numlayers - 1);
1500                                                         for (j = 0;j < numparameters;j++)
1501                                                                 Con_Printf(" %s", parameter[j]);
1502                                                         Con_Print("\n");
1503                                                 }
1504                                                 if (numparameters >= 2 && !strcasecmp(parameter[0], "blendfunc"))
1505                                                 {
1506                                                         if (numparameters == 2)
1507                                                         {
1508                                                                 if (!strcasecmp(parameter[1], "add"))
1509                                                                 {
1510                                                                         layer->blendfunc[0] = GL_ONE;
1511                                                                         layer->blendfunc[1] = GL_ONE;
1512                                                                 }
1513                                                                 else if (!strcasecmp(parameter[1], "filter"))
1514                                                                 {
1515                                                                         layer->blendfunc[0] = GL_DST_COLOR;
1516                                                                         layer->blendfunc[1] = GL_ZERO;
1517                                                                 }
1518                                                                 else if (!strcasecmp(parameter[1], "blend"))
1519                                                                 {
1520                                                                         layer->blendfunc[0] = GL_SRC_ALPHA;
1521                                                                         layer->blendfunc[1] = GL_ONE_MINUS_SRC_ALPHA;
1522                                                                 }
1523                                                         }
1524                                                         else if (numparameters == 3)
1525                                                         {
1526                                                                 int k;
1527                                                                 for (k = 0;k < 2;k++)
1528                                                                 {
1529                                                                         if (!strcasecmp(parameter[k+1], "GL_ONE"))
1530                                                                                 layer->blendfunc[k] = GL_ONE;
1531                                                                         else if (!strcasecmp(parameter[k+1], "GL_ZERO"))
1532                                                                                 layer->blendfunc[k] = GL_ZERO;
1533                                                                         else if (!strcasecmp(parameter[k+1], "GL_SRC_COLOR"))
1534                                                                                 layer->blendfunc[k] = GL_SRC_COLOR;
1535                                                                         else if (!strcasecmp(parameter[k+1], "GL_SRC_ALPHA"))
1536                                                                                 layer->blendfunc[k] = GL_SRC_ALPHA;
1537                                                                         else if (!strcasecmp(parameter[k+1], "GL_DST_COLOR"))
1538                                                                                 layer->blendfunc[k] = GL_DST_COLOR;
1539                                                                         else if (!strcasecmp(parameter[k+1], "GL_DST_ALPHA"))
1540                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
1541                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_COLOR"))
1542                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_SRC_COLOR;
1543                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_ALPHA"))
1544                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_SRC_ALPHA;
1545                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_COLOR"))
1546                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_DST_COLOR;
1547                                                                         else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_DST_ALPHA"))
1548                                                                                 layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
1549                                                                         else
1550                                                                                 layer->blendfunc[k] = GL_ONE; // default in case of parsing error
1551                                                                 }
1552                                                         }
1553                                                 }
1554                                                 if (numparameters >= 2 && !strcasecmp(parameter[0], "alphafunc"))
1555                                                         layer->alphatest = true;
1556                                                 if (numparameters >= 2 && (!strcasecmp(parameter[0], "map") || !strcasecmp(parameter[0], "clampmap")))
1557                                                 {
1558                                                         if (!strcasecmp(parameter[0], "clampmap"))
1559                                                                 layer->clampmap = true;
1560                                                         layer->numframes = 1;
1561                                                         layer->framerate = 1;
1562                                                         layer->texturename = (char**)Mem_ExpandableArray_AllocRecord (
1563                                                                 &q3shader_data->char_ptrs);
1564                                                         layer->texturename[0] = Mem_strdup (q3shaders_mem, parameter[1]);
1565                                                         if (!strcasecmp(parameter[1], "$lightmap"))
1566                                                                 shader.lighting = true;
1567                                                 }
1568                                                 else if (numparameters >= 3 && (!strcasecmp(parameter[0], "animmap") || !strcasecmp(parameter[0], "animclampmap")))
1569                                                 {
1570                                                         int i;
1571                                                         layer->numframes = min(numparameters - 2, TEXTURE_MAXFRAMES);
1572                                                         layer->framerate = atof(parameter[1]);
1573                                                         layer->texturename = (char **) Mem_Alloc (q3shaders_mem, sizeof (char*) * layer->numframes);
1574                                                         for (i = 0;i < layer->numframes;i++)
1575                                                                 layer->texturename[i] = Mem_strdup (q3shaders_mem, parameter[i + 2]);
1576                                                 }
1577                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "rgbgen"))
1578                                                 {
1579                                                         int i;
1580                                                         for (i = 0;i < numparameters - 2 && i < Q3RGBGEN_MAXPARMS;i++)
1581                                                                 layer->rgbgen.parms[i] = atof(parameter[i+2]);
1582                                                              if (!strcasecmp(parameter[1], "identity"))         layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITY;
1583                                                         else if (!strcasecmp(parameter[1], "const"))            layer->rgbgen.rgbgen = Q3RGBGEN_CONST;
1584                                                         else if (!strcasecmp(parameter[1], "entity"))           layer->rgbgen.rgbgen = Q3RGBGEN_ENTITY;
1585                                                         else if (!strcasecmp(parameter[1], "exactvertex"))      layer->rgbgen.rgbgen = Q3RGBGEN_EXACTVERTEX;
1586                                                         else if (!strcasecmp(parameter[1], "identitylighting")) layer->rgbgen.rgbgen = Q3RGBGEN_IDENTITYLIGHTING;
1587                                                         else if (!strcasecmp(parameter[1], "lightingdiffuse"))  layer->rgbgen.rgbgen = Q3RGBGEN_LIGHTINGDIFFUSE;
1588                                                         else if (!strcasecmp(parameter[1], "oneminusentity"))   layer->rgbgen.rgbgen = Q3RGBGEN_ONEMINUSENTITY;
1589                                                         else if (!strcasecmp(parameter[1], "oneminusvertex"))   layer->rgbgen.rgbgen = Q3RGBGEN_ONEMINUSVERTEX;
1590                                                         else if (!strcasecmp(parameter[1], "vertex"))           layer->rgbgen.rgbgen = Q3RGBGEN_VERTEX;
1591                                                         else if (!strcasecmp(parameter[1], "wave"))
1592                                                         {
1593                                                                 layer->rgbgen.rgbgen = Q3RGBGEN_WAVE;
1594                                                                 layer->rgbgen.wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1595                                                                 for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1596                                                                         layer->rgbgen.waveparms[i] = atof(parameter[i+3]);
1597                                                         }
1598                                                         else Con_DPrintf("%s parsing warning: unknown rgbgen %s\n", search->filenames[fileindex], parameter[1]);
1599                                                 }
1600                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "alphagen"))
1601                                                 {
1602                                                         int i;
1603                                                         for (i = 0;i < numparameters - 2 && i < Q3ALPHAGEN_MAXPARMS;i++)
1604                                                                 layer->alphagen.parms[i] = atof(parameter[i+2]);
1605                                                              if (!strcasecmp(parameter[1], "identity"))         layer->alphagen.alphagen = Q3ALPHAGEN_IDENTITY;
1606                                                         else if (!strcasecmp(parameter[1], "const"))            layer->alphagen.alphagen = Q3ALPHAGEN_CONST;
1607                                                         else if (!strcasecmp(parameter[1], "entity"))           layer->alphagen.alphagen = Q3ALPHAGEN_ENTITY;
1608                                                         else if (!strcasecmp(parameter[1], "lightingspecular")) layer->alphagen.alphagen = Q3ALPHAGEN_LIGHTINGSPECULAR;
1609                                                         else if (!strcasecmp(parameter[1], "oneminusentity"))   layer->alphagen.alphagen = Q3ALPHAGEN_ONEMINUSENTITY;
1610                                                         else if (!strcasecmp(parameter[1], "oneminusvertex"))   layer->alphagen.alphagen = Q3ALPHAGEN_ONEMINUSVERTEX;
1611                                                         else if (!strcasecmp(parameter[1], "portal"))           layer->alphagen.alphagen = Q3ALPHAGEN_PORTAL;
1612                                                         else if (!strcasecmp(parameter[1], "vertex"))           layer->alphagen.alphagen = Q3ALPHAGEN_VERTEX;
1613                                                         else if (!strcasecmp(parameter[1], "wave"))
1614                                                         {
1615                                                                 layer->alphagen.alphagen = Q3ALPHAGEN_WAVE;
1616                                                                 layer->alphagen.wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1617                                                                 for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1618                                                                         layer->alphagen.waveparms[i] = atof(parameter[i+3]);
1619                                                         }
1620                                                         else Con_DPrintf("%s parsing warning: unknown alphagen %s\n", search->filenames[fileindex], parameter[1]);
1621                                                 }
1622                                                 else if (numparameters >= 2 && (!strcasecmp(parameter[0], "texgen") || !strcasecmp(parameter[0], "tcgen")))
1623                                                 {
1624                                                         int i;
1625                                                         // observed values: tcgen environment
1626                                                         // no other values have been observed in real shaders
1627                                                         for (i = 0;i < numparameters - 2 && i < Q3TCGEN_MAXPARMS;i++)
1628                                                                 layer->tcgen.parms[i] = atof(parameter[i+2]);
1629                                                              if (!strcasecmp(parameter[1], "base"))        layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1630                                                         else if (!strcasecmp(parameter[1], "texture"))     layer->tcgen.tcgen = Q3TCGEN_TEXTURE;
1631                                                         else if (!strcasecmp(parameter[1], "environment")) layer->tcgen.tcgen = Q3TCGEN_ENVIRONMENT;
1632                                                         else if (!strcasecmp(parameter[1], "lightmap"))    layer->tcgen.tcgen = Q3TCGEN_LIGHTMAP;
1633                                                         else if (!strcasecmp(parameter[1], "vector"))      layer->tcgen.tcgen = Q3TCGEN_VECTOR;
1634                                                         else Con_DPrintf("%s parsing warning: unknown tcgen mode %s\n", search->filenames[fileindex], parameter[1]);
1635                                                 }
1636                                                 else if (numparameters >= 2 && !strcasecmp(parameter[0], "tcmod"))
1637                                                 {
1638                                                         int i, tcmodindex;
1639                                                         // observed values:
1640                                                         // tcmod rotate #
1641                                                         // tcmod scale # #
1642                                                         // tcmod scroll # #
1643                                                         // tcmod stretch sin # # # #
1644                                                         // tcmod stretch triangle # # # #
1645                                                         // tcmod transform # # # # # #
1646                                                         // tcmod turb # # # #
1647                                                         // tcmod turb sin # # # #  (this is bogus)
1648                                                         // no other values have been observed in real shaders
1649                                                         for (tcmodindex = 0;tcmodindex < Q3MAXTCMODS;tcmodindex++)
1650                                                                 if (!layer->tcmods[tcmodindex].tcmod)
1651                                                                         break;
1652                                                         if (tcmodindex < Q3MAXTCMODS)
1653                                                         {
1654                                                                 for (i = 0;i < numparameters - 2 && i < Q3TCMOD_MAXPARMS;i++)
1655                                                                         layer->tcmods[tcmodindex].parms[i] = atof(parameter[i+2]);
1656                                                                          if (!strcasecmp(parameter[1], "entitytranslate")) layer->tcmods[tcmodindex].tcmod = Q3TCMOD_ENTITYTRANSLATE;
1657                                                                 else if (!strcasecmp(parameter[1], "rotate"))          layer->tcmods[tcmodindex].tcmod = Q3TCMOD_ROTATE;
1658                                                                 else if (!strcasecmp(parameter[1], "scale"))           layer->tcmods[tcmodindex].tcmod = Q3TCMOD_SCALE;
1659                                                                 else if (!strcasecmp(parameter[1], "scroll"))          layer->tcmods[tcmodindex].tcmod = Q3TCMOD_SCROLL;
1660                                                                 else if (!strcasecmp(parameter[1], "page"))            layer->tcmods[tcmodindex].tcmod = Q3TCMOD_PAGE;
1661                                                                 else if (!strcasecmp(parameter[1], "stretch"))
1662                                                                 {
1663                                                                         layer->tcmods[tcmodindex].tcmod = Q3TCMOD_STRETCH;
1664                                                                         layer->tcmods[tcmodindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[2]);
1665                                                                         for (i = 0;i < numparameters - 3 && i < Q3WAVEPARMS;i++)
1666                                                                                 layer->tcmods[tcmodindex].waveparms[i] = atof(parameter[i+3]);
1667                                                                 }
1668                                                                 else if (!strcasecmp(parameter[1], "transform"))       layer->tcmods[tcmodindex].tcmod = Q3TCMOD_TRANSFORM;
1669                                                                 else if (!strcasecmp(parameter[1], "turb"))            layer->tcmods[tcmodindex].tcmod = Q3TCMOD_TURBULENT;
1670                                                                 else Con_DPrintf("%s parsing warning: unknown tcmod mode %s\n", search->filenames[fileindex], parameter[1]);
1671                                                         }
1672                                                         else
1673                                                                 Con_DPrintf("%s parsing warning: too many tcmods on one layer\n", search->filenames[fileindex]);
1674                                                 }
1675                                                 // break out a level if it was a closing brace (not using the character here to not confuse vim)
1676                                                 if (!strcasecmp(com_token, "}"))
1677                                                         break;
1678                                         }
1679                                         if (layer->rgbgen.rgbgen == Q3RGBGEN_LIGHTINGDIFFUSE || layer->rgbgen.rgbgen == Q3RGBGEN_VERTEX)
1680                                                 shader.lighting = true;
1681                                         if (layer->alphagen.alphagen == Q3ALPHAGEN_VERTEX)
1682                                         {
1683                                                 if (layer == shader.layers + 0)
1684                                                 {
1685                                                         // vertex controlled transparency
1686                                                         shader.vertexalpha = true;
1687                                                 }
1688                                                 else
1689                                                 {
1690                                                         // multilayer terrain shader or similar
1691                                                         shader.textureblendalpha = true;
1692                                                 }
1693                                         }
1694                                         layer->texflags = TEXF_ALPHA | TEXF_PRECACHE;
1695                                         if (!(shader.surfaceparms & Q3SURFACEPARM_NOMIPMAPS))
1696                                                 layer->texflags |= TEXF_MIPMAP;
1697                                         if (!(shader.textureflags & Q3TEXTUREFLAG_NOPICMIP))
1698                                                 layer->texflags |= TEXF_PICMIP | TEXF_COMPRESS;
1699                                         if (layer->clampmap)
1700                                                 layer->texflags |= TEXF_CLAMP;
1701                                         continue;
1702                                 }
1703                                 numparameters = 0;
1704                                 for (j = 0;strcasecmp(com_token, "\n") && strcasecmp(com_token, "}");j++)
1705                                 {
1706                                         if (j < TEXTURE_MAXFRAMES + 4)
1707                                         {
1708                                                 strlcpy(parameter[j], com_token, sizeof(parameter[j]));
1709                                                 numparameters = j + 1;
1710                                         }
1711                                         if (!COM_ParseToken_QuakeC(&text, true))
1712                                                 break;
1713                                 }
1714                                 //for (j = numparameters;j < TEXTURE_MAXFRAMES + 4;j++)
1715                                 //      parameter[j][0] = 0;
1716                                 if (fileindex == 0 && !strcasecmp(com_token, "}"))
1717                                         break;
1718                                 if (developer.integer >= 100)
1719                                 {
1720                                         Con_Printf("%s: ", shader.name);
1721                                         for (j = 0;j < numparameters;j++)
1722                                                 Con_Printf(" %s", parameter[j]);
1723                                         Con_Print("\n");
1724                                 }
1725                                 if (numparameters < 1)
1726                                         continue;
1727                                 if (!strcasecmp(parameter[0], "surfaceparm") && numparameters >= 2)
1728                                 {
1729                                         if (!strcasecmp(parameter[1], "alphashadow"))
1730                                                 shader.surfaceparms |= Q3SURFACEPARM_ALPHASHADOW;
1731                                         else if (!strcasecmp(parameter[1], "areaportal"))
1732                                                 shader.surfaceparms |= Q3SURFACEPARM_AREAPORTAL;
1733                                         else if (!strcasecmp(parameter[1], "botclip"))
1734                                                 shader.surfaceparms |= Q3SURFACEPARM_BOTCLIP;
1735                                         else if (!strcasecmp(parameter[1], "clusterportal"))
1736                                                 shader.surfaceparms |= Q3SURFACEPARM_CLUSTERPORTAL;
1737                                         else if (!strcasecmp(parameter[1], "detail"))
1738                                                 shader.surfaceparms |= Q3SURFACEPARM_DETAIL;
1739                                         else if (!strcasecmp(parameter[1], "donotenter"))
1740                                                 shader.surfaceparms |= Q3SURFACEPARM_DONOTENTER;
1741                                         else if (!strcasecmp(parameter[1], "dust"))
1742                                                 shader.surfaceparms |= Q3SURFACEPARM_DUST;
1743                                         else if (!strcasecmp(parameter[1], "hint"))
1744                                                 shader.surfaceparms |= Q3SURFACEPARM_HINT;
1745                                         else if (!strcasecmp(parameter[1], "fog"))
1746                                                 shader.surfaceparms |= Q3SURFACEPARM_FOG;
1747                                         else if (!strcasecmp(parameter[1], "lava"))
1748                                                 shader.surfaceparms |= Q3SURFACEPARM_LAVA;
1749                                         else if (!strcasecmp(parameter[1], "lightfilter"))
1750                                                 shader.surfaceparms |= Q3SURFACEPARM_LIGHTFILTER;
1751                                         else if (!strcasecmp(parameter[1], "lightgrid"))
1752                                                 shader.surfaceparms |= Q3SURFACEPARM_LIGHTGRID;
1753                                         else if (!strcasecmp(parameter[1], "metalsteps"))
1754                                                 shader.surfaceparms |= Q3SURFACEPARM_METALSTEPS;
1755                                         else if (!strcasecmp(parameter[1], "nodamage"))
1756                                                 shader.surfaceparms |= Q3SURFACEPARM_NODAMAGE;
1757                                         else if (!strcasecmp(parameter[1], "nodlight"))
1758                                                 shader.surfaceparms |= Q3SURFACEPARM_NODLIGHT;
1759                                         else if (!strcasecmp(parameter[1], "nodraw"))
1760                                                 shader.surfaceparms |= Q3SURFACEPARM_NODRAW;
1761                                         else if (!strcasecmp(parameter[1], "nodrop"))
1762                                                 shader.surfaceparms |= Q3SURFACEPARM_NODROP;
1763                                         else if (!strcasecmp(parameter[1], "noimpact"))
1764                                                 shader.surfaceparms |= Q3SURFACEPARM_NOIMPACT;
1765                                         else if (!strcasecmp(parameter[1], "nolightmap"))
1766                                                 shader.surfaceparms |= Q3SURFACEPARM_NOLIGHTMAP;
1767                                         else if (!strcasecmp(parameter[1], "nomarks"))
1768                                                 shader.surfaceparms |= Q3SURFACEPARM_NOMARKS;
1769                                         else if (!strcasecmp(parameter[1], "nomipmaps"))
1770                                                 shader.surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
1771                                         else if (!strcasecmp(parameter[1], "nonsolid"))
1772                                                 shader.surfaceparms |= Q3SURFACEPARM_NONSOLID;
1773                                         else if (!strcasecmp(parameter[1], "origin"))
1774                                                 shader.surfaceparms |= Q3SURFACEPARM_ORIGIN;
1775                                         else if (!strcasecmp(parameter[1], "playerclip"))
1776                                                 shader.surfaceparms |= Q3SURFACEPARM_PLAYERCLIP;
1777                                         else if (!strcasecmp(parameter[1], "sky"))
1778                                                 shader.surfaceparms |= Q3SURFACEPARM_SKY;
1779                                         else if (!strcasecmp(parameter[1], "slick"))
1780                                                 shader.surfaceparms |= Q3SURFACEPARM_SLICK;
1781                                         else if (!strcasecmp(parameter[1], "slime"))
1782                                                 shader.surfaceparms |= Q3SURFACEPARM_SLIME;
1783                                         else if (!strcasecmp(parameter[1], "structural"))
1784                                                 shader.surfaceparms |= Q3SURFACEPARM_STRUCTURAL;
1785                                         else if (!strcasecmp(parameter[1], "trans"))
1786                                                 shader.surfaceparms |= Q3SURFACEPARM_TRANS;
1787                                         else if (!strcasecmp(parameter[1], "water"))
1788                                                 shader.surfaceparms |= Q3SURFACEPARM_WATER;
1789                                         else if (!strcasecmp(parameter[1], "pointlight"))
1790                                                 shader.surfaceparms |= Q3SURFACEPARM_POINTLIGHT;
1791                                         else if (!strcasecmp(parameter[1], "antiportal"))
1792                                                 shader.surfaceparms |= Q3SURFACEPARM_ANTIPORTAL;
1793                                         else
1794                                                 Con_DPrintf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[fileindex], parameter[1]);
1795                                 }
1796                                 else if (!strcasecmp(parameter[0], "dpshadow"))
1797                                         shader.dpshadow = true;
1798                                 else if (!strcasecmp(parameter[0], "dpnoshadow"))
1799                                         shader.dpnoshadow = true;
1800                                 else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
1801                                 {
1802                                         // some q3 skies don't have the sky parm set
1803                                         shader.surfaceparms |= Q3SURFACEPARM_SKY;
1804                                         strlcpy(shader.skyboxname, parameter[1], sizeof(shader.skyboxname));
1805                                 }
1806                                 else if (!strcasecmp(parameter[0], "skyparms") && numparameters >= 2)
1807                                 {
1808                                         // some q3 skies don't have the sky parm set
1809                                         shader.surfaceparms |= Q3SURFACEPARM_SKY;
1810                                         if (!atoi(parameter[1]) && strcasecmp(parameter[1], "-"))
1811                                                 strlcpy(shader.skyboxname, parameter[1], sizeof(shader.skyboxname));
1812                                 }
1813                                 else if (!strcasecmp(parameter[0], "cull") && numparameters >= 2)
1814                                 {
1815                                         if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "twosided"))
1816                                                 shader.textureflags |= Q3TEXTUREFLAG_TWOSIDED;
1817                                 }
1818                                 else if (!strcasecmp(parameter[0], "nomipmaps"))
1819                                         shader.surfaceparms |= Q3SURFACEPARM_NOMIPMAPS;
1820                                 else if (!strcasecmp(parameter[0], "nopicmip"))
1821                                         shader.textureflags |= Q3TEXTUREFLAG_NOPICMIP;
1822                                 else if (!strcasecmp(parameter[0], "polygonoffset"))
1823                                         shader.textureflags |= Q3TEXTUREFLAG_POLYGONOFFSET;
1824                                 else if (!strcasecmp(parameter[0], "dp_refract") && numparameters >= 5)
1825                                 {
1826                                         shader.textureflags |= Q3TEXTUREFLAG_REFRACTION;
1827                                         shader.refractfactor = atof(parameter[1]);
1828                                         Vector4Set(shader.refractcolor4f, atof(parameter[2]), atof(parameter[3]), atof(parameter[4]), 1);
1829                                 }
1830                                 else if (!strcasecmp(parameter[0], "dp_reflect") && numparameters >= 6)
1831                                 {
1832                                         shader.textureflags |= Q3TEXTUREFLAG_REFLECTION;
1833                                         shader.reflectfactor = atof(parameter[1]);
1834                                         Vector4Set(shader.reflectcolor4f, atof(parameter[2]), atof(parameter[3]), atof(parameter[4]), atof(parameter[5]));
1835                                 }
1836                                 else if (!strcasecmp(parameter[0], "dp_water") && numparameters >= 12)
1837                                 {
1838                                         shader.textureflags |= Q3TEXTUREFLAG_WATERSHADER;
1839                                         shader.reflectmin = atof(parameter[1]);
1840                                         shader.reflectmax = atof(parameter[2]);
1841                                         shader.refractfactor = atof(parameter[3]);
1842                                         shader.reflectfactor = atof(parameter[4]);
1843                                         Vector4Set(shader.refractcolor4f, atof(parameter[5]), atof(parameter[6]), atof(parameter[7]), 1);
1844                                         Vector4Set(shader.reflectcolor4f, atof(parameter[8]), atof(parameter[9]), atof(parameter[10]), 1);
1845                                         shader.r_water_wateralpha = atof(parameter[11]);
1846                                 }
1847                                 else if (!strcasecmp(parameter[0], "dp_glossintensitymod") && numparameters >= 2)
1848                                 {
1849                                         shader.specularscalemod = atof(parameter[1]);
1850                                 }
1851                                 else if (!strcasecmp(parameter[0], "dp_glossexponentmod") && numparameters >= 2)
1852                                 {
1853                                         shader.specularpowermod = atof(parameter[1]);
1854                                 }
1855                                 else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
1856                                 {
1857                                         int i, deformindex;
1858                                         for (deformindex = 0;deformindex < Q3MAXDEFORMS;deformindex++)
1859                                                 if (!shader.deforms[deformindex].deform)
1860                                                         break;
1861                                         if (deformindex < Q3MAXDEFORMS)
1862                                         {
1863                                                 for (i = 0;i < numparameters - 2 && i < Q3DEFORM_MAXPARMS;i++)
1864                                                         shader.deforms[deformindex].parms[i] = atof(parameter[i+2]);
1865                                                      if (!strcasecmp(parameter[1], "projectionshadow")) shader.deforms[deformindex].deform = Q3DEFORM_PROJECTIONSHADOW;
1866                                                 else if (!strcasecmp(parameter[1], "autosprite"      )) shader.deforms[deformindex].deform = Q3DEFORM_AUTOSPRITE;
1867                                                 else if (!strcasecmp(parameter[1], "autosprite2"     )) shader.deforms[deformindex].deform = Q3DEFORM_AUTOSPRITE2;
1868                                                 else if (!strcasecmp(parameter[1], "text0"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT0;
1869                                                 else if (!strcasecmp(parameter[1], "text1"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT1;
1870                                                 else if (!strcasecmp(parameter[1], "text2"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT2;
1871                                                 else if (!strcasecmp(parameter[1], "text3"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT3;
1872                                                 else if (!strcasecmp(parameter[1], "text4"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT4;
1873                                                 else if (!strcasecmp(parameter[1], "text5"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT5;
1874                                                 else if (!strcasecmp(parameter[1], "text6"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT6;
1875                                                 else if (!strcasecmp(parameter[1], "text7"           )) shader.deforms[deformindex].deform = Q3DEFORM_TEXT7;
1876                                                 else if (!strcasecmp(parameter[1], "bulge"           )) shader.deforms[deformindex].deform = Q3DEFORM_BULGE;
1877                                                 else if (!strcasecmp(parameter[1], "normal"          )) shader.deforms[deformindex].deform = Q3DEFORM_NORMAL;
1878                                                 else if (!strcasecmp(parameter[1], "wave"            ))
1879                                                 {
1880                                                         shader.deforms[deformindex].deform = Q3DEFORM_WAVE;
1881                                                         shader.deforms[deformindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[3]);
1882                                                         for (i = 0;i < numparameters - 4 && i < Q3WAVEPARMS;i++)
1883                                                                 shader.deforms[deformindex].waveparms[i] = atof(parameter[i+4]);
1884                                                 }
1885                                                 else if (!strcasecmp(parameter[1], "move"            ))
1886                                                 {
1887                                                         shader.deforms[deformindex].deform = Q3DEFORM_MOVE;
1888                                                         shader.deforms[deformindex].wavefunc = Mod_LoadQ3Shaders_EnumerateWaveFunc(parameter[5]);
1889                                                         for (i = 0;i < numparameters - 6 && i < Q3WAVEPARMS;i++)
1890                                                                 shader.deforms[deformindex].waveparms[i] = atof(parameter[i+6]);
1891                                                 }
1892                                         }
1893                                 }
1894                         }
1895                         // pick the primary layer to render with
1896                         if (shader.numlayers)
1897                         {
1898                                 shader.backgroundlayer = -1;
1899                                 shader.primarylayer = 0;
1900                                 // if lightmap comes first this is definitely an ordinary texture
1901                                 // if the first two layers have the correct blendfuncs and use vertex alpha, it is a blended terrain shader
1902                                 if ((shader.layers[shader.primarylayer].texturename != NULL)
1903                                   && !strcasecmp(shader.layers[shader.primarylayer].texturename[0], "$lightmap"))
1904                                 {
1905                                         shader.backgroundlayer = -1;
1906                                         shader.primarylayer = 1;
1907                                 }
1908                                 else if (shader.numlayers >= 2
1909                                 &&   shader.layers[1].alphagen.alphagen == Q3ALPHAGEN_VERTEX
1910                                 &&  (shader.layers[0].blendfunc[0] == GL_ONE       && shader.layers[0].blendfunc[1] == GL_ZERO                && !shader.layers[0].alphatest)
1911                                 && ((shader.layers[1].blendfunc[0] == GL_SRC_ALPHA && shader.layers[1].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
1912                                 ||  (shader.layers[1].blendfunc[0] == GL_ONE       && shader.layers[1].blendfunc[1] == GL_ZERO                &&  shader.layers[1].alphatest)))
1913                                 {
1914                                         // terrain blending or other effects
1915                                         shader.backgroundlayer = 0;
1916                                         shader.primarylayer = 1;
1917                                 }
1918                         }
1919                         // fix up multiple reflection types
1920                         if(shader.textureflags & Q3TEXTUREFLAG_WATERSHADER)
1921                                 shader.textureflags &= ~(Q3TEXTUREFLAG_REFRACTION | Q3TEXTUREFLAG_REFLECTION);
1922
1923                         Q3Shader_AddToHash (&shader);
1924                 }
1925                 Mem_Free(f);
1926         }
1927         FS_FreeSearch(search);
1928 }
1929
1930 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name)
1931 {
1932         unsigned short hash;
1933         q3shader_hash_entry_t* entry;
1934         if (!q3shaders_mem)
1935                 Mod_LoadQ3Shaders();
1936         hash = CRC_Block_CaseInsensitive ((const unsigned char *)name, strlen (name));
1937         entry = q3shader_data->hash + (hash % Q3SHADER_HASH_SIZE);
1938         while (entry != NULL)
1939         {
1940                 if (strcasecmp (entry->shader.name, name) == 0)
1941                         return &entry->shader;
1942                 entry = entry->chain;
1943         }
1944         return NULL;
1945 }
1946
1947 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags)
1948 {
1949         int j;
1950         int texflagsmask;
1951         qboolean success = true;
1952         q3shaderinfo_t *shader;
1953         if (!name)
1954                 name = "";
1955         strlcpy(texture->name, name, sizeof(texture->name));
1956         shader = name[0] ? Mod_LookupQ3Shader(name) : NULL;
1957
1958         texflagsmask = ~0;
1959         if(!(defaulttexflags & TEXF_PICMIP))
1960                 texflagsmask &= ~TEXF_PICMIP;
1961         if(!(defaulttexflags & TEXF_COMPRESS))
1962                 texflagsmask &= ~TEXF_COMPRESS;
1963         texture->specularscalemod = 1; // unless later loaded from the shader
1964         texture->specularpowermod = 1; // unless later loaded from the shader
1965
1966         if (shader)
1967         {
1968                 if (developer_loading.integer)
1969                         Con_Printf("%s: loaded shader for %s\n", loadmodel->name, name);
1970                 texture->surfaceparms = shader->surfaceparms;
1971
1972                 // allow disabling of picmip or compression by defaulttexflags
1973                 texture->textureflags = shader->textureflags & texflagsmask;
1974
1975                 if (shader->surfaceparms & Q3SURFACEPARM_SKY)
1976                 {
1977                         texture->basematerialflags = MATERIALFLAG_SKY | MATERIALFLAG_NOSHADOW;
1978                         if (shader->skyboxname[0])
1979                         {
1980                                 // quake3 seems to append a _ to the skybox name, so this must do so as well
1981                                 dpsnprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", shader->skyboxname);
1982                         }
1983                 }
1984                 else if ((texture->surfaceflags & Q3SURFACEFLAG_NODRAW) || shader->numlayers == 0)
1985                         texture->basematerialflags = MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
1986                 else
1987                         texture->basematerialflags = MATERIALFLAG_WALL;
1988
1989                 if (shader->layers[0].alphatest)
1990                         texture->basematerialflags |= MATERIALFLAG_ALPHATEST | MATERIALFLAG_NOSHADOW;
1991                 if (shader->textureflags & Q3TEXTUREFLAG_TWOSIDED)
1992                         texture->basematerialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
1993                 if (shader->textureflags & Q3TEXTUREFLAG_POLYGONOFFSET)
1994                         texture->biaspolygonoffset -= 2;
1995                 if (shader->textureflags & Q3TEXTUREFLAG_REFRACTION)
1996                         texture->basematerialflags |= MATERIALFLAG_REFRACTION;
1997                 if (shader->textureflags & Q3TEXTUREFLAG_REFLECTION)
1998                         texture->basematerialflags |= MATERIALFLAG_REFLECTION;
1999                 if (shader->textureflags & Q3TEXTUREFLAG_WATERSHADER)
2000                         texture->basematerialflags |= MATERIALFLAG_WATERSHADER;
2001                 texture->customblendfunc[0] = GL_ONE;
2002                 texture->customblendfunc[1] = GL_ZERO;
2003                 if (shader->numlayers > 0)
2004                 {
2005                         texture->customblendfunc[0] = shader->layers[0].blendfunc[0];
2006                         texture->customblendfunc[1] = shader->layers[0].blendfunc[1];
2007 /*
2008 Q3 shader blendfuncs actually used in the game (* = supported by DP)
2009 * additive               GL_ONE GL_ONE
2010 additive weird         GL_ONE GL_SRC_ALPHA
2011 additive weird 2       GL_ONE GL_ONE_MINUS_SRC_ALPHA
2012 * alpha                  GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA
2013 alpha inverse          GL_ONE_MINUS_SRC_ALPHA GL_SRC_ALPHA
2014 brighten               GL_DST_COLOR GL_ONE
2015 brighten               GL_ONE GL_SRC_COLOR
2016 brighten weird         GL_DST_COLOR GL_ONE_MINUS_DST_ALPHA
2017 brighten weird 2       GL_DST_COLOR GL_SRC_ALPHA
2018 * modulate               GL_DST_COLOR GL_ZERO
2019 * modulate               GL_ZERO GL_SRC_COLOR
2020 modulate inverse       GL_ZERO GL_ONE_MINUS_SRC_COLOR
2021 modulate inverse alpha GL_ZERO GL_SRC_ALPHA
2022 modulate weird inverse GL_ONE_MINUS_DST_COLOR GL_ZERO
2023 * modulate x2            GL_DST_COLOR GL_SRC_COLOR
2024 * no blend               GL_ONE GL_ZERO
2025 nothing                GL_ZERO GL_ONE
2026 */
2027                         // if not opaque, figure out what blendfunc to use
2028                         if (shader->layers[0].blendfunc[0] != GL_ONE || shader->layers[0].blendfunc[1] != GL_ZERO)
2029                         {
2030                                 if (shader->layers[0].blendfunc[0] == GL_ONE && shader->layers[0].blendfunc[1] == GL_ONE)
2031                                         texture->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2032                                 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE)
2033                                         texture->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2034                                 else if (shader->layers[0].blendfunc[0] == GL_SRC_ALPHA && shader->layers[0].blendfunc[1] == GL_ONE_MINUS_SRC_ALPHA)
2035                                         texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2036                                 else
2037                                         texture->basematerialflags |= MATERIALFLAG_CUSTOMBLEND | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2038                         }
2039                 }
2040                 if (!shader->lighting)
2041                         texture->basematerialflags |= MATERIALFLAG_FULLBRIGHT;
2042                 if (shader->primarylayer >= 0)
2043                 {
2044                         q3shaderinfo_layer_t* primarylayer = shader->layers + shader->primarylayer;
2045                         // copy over many primarylayer parameters
2046                         texture->rgbgen = primarylayer->rgbgen;
2047                         texture->alphagen = primarylayer->alphagen;
2048                         texture->tcgen = primarylayer->tcgen;
2049                         memcpy(texture->tcmods, primarylayer->tcmods, sizeof(texture->tcmods));
2050                         // load the textures
2051                         texture->numskinframes = primarylayer->numframes;
2052                         texture->skinframerate = primarylayer->framerate;
2053                         for (j = 0;j < primarylayer->numframes;j++)
2054                         {
2055                                 if(cls.state == ca_dedicated)
2056                                 {
2057                                         texture->skinframes[j] = NULL;
2058                                 }
2059                                 else if (!(texture->skinframes[j] = R_SkinFrame_LoadExternal(primarylayer->texturename[j], primarylayer->texflags & texflagsmask, false)))
2060                                 {
2061                                         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);
2062                                         texture->skinframes[j] = R_SkinFrame_LoadMissing();
2063                                 }
2064                         }
2065                 }
2066                 if (shader->backgroundlayer >= 0)
2067                 {
2068                         q3shaderinfo_layer_t* backgroundlayer = shader->layers + shader->backgroundlayer;
2069                         // copy over one secondarylayer parameter
2070                         memcpy(texture->backgroundtcmods, backgroundlayer->tcmods, sizeof(texture->backgroundtcmods));
2071                         // load the textures
2072                         texture->backgroundnumskinframes = backgroundlayer->numframes;
2073                         texture->backgroundskinframerate = backgroundlayer->framerate;
2074                         for (j = 0;j < backgroundlayer->numframes;j++)
2075                         {
2076                                 if(cls.state == ca_dedicated)
2077                                 {
2078                                         texture->skinframes[j] = NULL;
2079                                 }
2080                                 else if (!(texture->backgroundskinframes[j] = R_SkinFrame_LoadExternal(backgroundlayer->texturename[j], backgroundlayer->texflags & texflagsmask, false)))
2081                                 {
2082                                         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);
2083                                         texture->backgroundskinframes[j] = R_SkinFrame_LoadMissing();
2084                                 }
2085                         }
2086                 }
2087                 if (shader->dpshadow)
2088                         texture->basematerialflags &= ~MATERIALFLAG_NOSHADOW;
2089                 if (shader->dpnoshadow)
2090                         texture->basematerialflags |= MATERIALFLAG_NOSHADOW;
2091                 memcpy(texture->deforms, shader->deforms, sizeof(texture->deforms));
2092                 texture->reflectmin = shader->reflectmin;
2093                 texture->reflectmax = shader->reflectmax;
2094                 texture->refractfactor = shader->refractfactor;
2095                 Vector4Copy(shader->refractcolor4f, texture->refractcolor4f);
2096                 texture->reflectfactor = shader->reflectfactor;
2097                 Vector4Copy(shader->reflectcolor4f, texture->reflectcolor4f);
2098                 texture->r_water_wateralpha = shader->r_water_wateralpha;
2099                 texture->specularscalemod = shader->specularscalemod;
2100                 texture->specularpowermod = shader->specularpowermod;
2101         }
2102         else if (!strcmp(texture->name, "noshader") || !texture->name[0])
2103         {
2104                 if (developer.integer >= 100)
2105                         Con_Printf("^1%s:^7 using fallback noshader material for ^3\"%s\"\n", loadmodel->name, name);
2106                 texture->surfaceparms = 0;
2107         }
2108         else if (!strcmp(texture->name, "common/nodraw") || !strcmp(texture->name, "textures/common/nodraw"))
2109         {
2110                 if (developer.integer >= 100)
2111                         Con_Printf("^1%s:^7 using fallback nodraw material for ^3\"%s\"\n", loadmodel->name, name);
2112                 texture->surfaceparms = 0;
2113                 texture->basematerialflags = MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
2114         }
2115         else
2116         {
2117                 if (developer.integer >= 100)
2118                         Con_Printf("^1%s:^7 No shader found for texture ^3\"%s\"\n", loadmodel->name, texture->name);
2119                 texture->surfaceparms = 0;
2120                 if (texture->surfaceflags & Q3SURFACEFLAG_NODRAW)
2121                         texture->basematerialflags |= MATERIALFLAG_NODRAW | MATERIALFLAG_NOSHADOW;
2122                 else if (texture->surfaceflags & Q3SURFACEFLAG_SKY)
2123                         texture->basematerialflags |= MATERIALFLAG_SKY | MATERIALFLAG_NOSHADOW;
2124                 else
2125                         texture->basematerialflags |= MATERIALFLAG_WALL;
2126                 texture->numskinframes = 1;
2127                 if(cls.state == ca_dedicated)
2128                 {
2129                         texture->skinframes[0] = NULL;
2130                 }
2131                 else
2132                 {
2133                         if (fallback)
2134                         {
2135                                 qboolean has_alpha;
2136                                 if ((texture->skinframes[0] = R_SkinFrame_LoadExternal_CheckAlpha(texture->name, defaulttexflags, false, &has_alpha)))
2137                                 {
2138                                         if(has_alpha && (defaulttexflags & TEXF_ALPHA))
2139                                                 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
2140                                 }
2141                                 else
2142                                         success = false;
2143                         }
2144                         else
2145                                 success = false;
2146                         if (!success && warnmissing)
2147                                 Con_Printf("^1%s:^7 could not load texture ^3\"%s\"\n", loadmodel->name, texture->name);
2148                 }
2149         }
2150         // init the animation variables
2151         texture->currentframe = texture;
2152         if (texture->numskinframes < 1)
2153                 texture->numskinframes = 1;
2154         if (!texture->skinframes[0])
2155                 texture->skinframes[0] = R_SkinFrame_LoadMissing();
2156         texture->currentskinframe = texture->skinframes[0];
2157         texture->backgroundcurrentskinframe = texture->backgroundskinframes[0];
2158         return success;
2159 }
2160
2161 skinfile_t *Mod_LoadSkinFiles(void)
2162 {
2163         int i, words, line, wordsoverflow;
2164         char *text;
2165         const char *data;
2166         skinfile_t *skinfile = NULL, *first = NULL;
2167         skinfileitem_t *skinfileitem;
2168         char word[10][MAX_QPATH];
2169
2170 /*
2171 sample file:
2172 U_bodyBox,models/players/Legoman/BikerA2.tga
2173 U_RArm,models/players/Legoman/BikerA1.tga
2174 U_LArm,models/players/Legoman/BikerA1.tga
2175 U_armor,common/nodraw
2176 U_sword,common/nodraw
2177 U_shield,common/nodraw
2178 U_homb,common/nodraw
2179 U_backpack,common/nodraw
2180 U_colcha,common/nodraw
2181 tag_head,
2182 tag_weapon,
2183 tag_torso,
2184 */
2185         memset(word, 0, sizeof(word));
2186         for (i = 0;i < MAX_SKINS && (data = text = (char *)FS_LoadFile(va("%s_%i.skin", loadmodel->name, i), tempmempool, true, NULL));i++)
2187         {
2188                 // If it's the first file we parse
2189                 if (skinfile == NULL)
2190                 {
2191                         skinfile = (skinfile_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfile_t));
2192                         first = skinfile;
2193                 }
2194                 else
2195                 {
2196                         skinfile->next = (skinfile_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfile_t));
2197                         skinfile = skinfile->next;
2198                 }
2199                 skinfile->next = NULL;
2200
2201                 for(line = 0;;line++)
2202                 {
2203                         // parse line
2204                         if (!COM_ParseToken_QuakeC(&data, true))
2205                                 break;
2206                         if (!strcmp(com_token, "\n"))
2207                                 continue;
2208                         words = 0;
2209                         wordsoverflow = false;
2210                         do
2211                         {
2212                                 if (words < 10)
2213                                         strlcpy(word[words++], com_token, sizeof (word[0]));
2214                                 else
2215                                         wordsoverflow = true;
2216                         }
2217                         while (COM_ParseToken_QuakeC(&data, true) && strcmp(com_token, "\n"));
2218                         if (wordsoverflow)
2219                         {
2220                                 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);
2221                                 continue;
2222                         }
2223                         // words is always >= 1
2224                         if (!strcmp(word[0], "replace"))
2225                         {
2226                                 if (words == 3)
2227                                 {
2228                                         if (developer_loading.integer)
2229                                                 Con_Printf("Mod_LoadSkinFiles: parsed mesh \"%s\" shader replacement \"%s\"\n", word[1], word[2]);
2230                                         skinfileitem = (skinfileitem_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfileitem_t));
2231                                         skinfileitem->next = skinfile->items;
2232                                         skinfile->items = skinfileitem;
2233                                         strlcpy (skinfileitem->name, word[1], sizeof (skinfileitem->name));
2234                                         strlcpy (skinfileitem->replacement, word[2], sizeof (skinfileitem->replacement));
2235                                 }
2236                                 else
2237                                         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]);
2238                         }
2239                         else if (words >= 2 && !strncmp(word[0], "tag_", 4))
2240                         {
2241                                 // tag name, like "tag_weapon,"
2242                                 // not used for anything (not even in Quake3)
2243                         }
2244                         else if (words >= 2 && !strcmp(word[1], ","))
2245                         {
2246                                 // mesh shader name, like "U_RArm,models/players/Legoman/BikerA1.tga"
2247                                 if (developer_loading.integer)
2248                                         Con_Printf("Mod_LoadSkinFiles: parsed mesh \"%s\" shader replacement \"%s\"\n", word[0], word[2]);
2249                                 skinfileitem = (skinfileitem_t *)Mem_Alloc(loadmodel->mempool, sizeof(skinfileitem_t));
2250                                 skinfileitem->next = skinfile->items;
2251                                 skinfile->items = skinfileitem;
2252                                 strlcpy (skinfileitem->name, word[0], sizeof (skinfileitem->name));
2253                                 strlcpy (skinfileitem->replacement, word[2], sizeof (skinfileitem->replacement));
2254                         }
2255                         else
2256                                 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);
2257                 }
2258                 Mem_Free(text);
2259         }
2260         if (i)
2261                 loadmodel->numskins = i;
2262         return first;
2263 }
2264
2265 void Mod_FreeSkinFiles(skinfile_t *skinfile)
2266 {
2267         skinfile_t *next;
2268         skinfileitem_t *skinfileitem, *nextitem;
2269         for (;skinfile;skinfile = next)
2270         {
2271                 next = skinfile->next;
2272                 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = nextitem)
2273                 {
2274                         nextitem = skinfileitem->next;
2275                         Mem_Free(skinfileitem);
2276                 }
2277                 Mem_Free(skinfile);
2278         }
2279 }
2280
2281 int Mod_CountSkinFiles(skinfile_t *skinfile)
2282 {
2283         int i;
2284         for (i = 0;skinfile;skinfile = skinfile->next, i++);
2285         return i;
2286 }
2287
2288 void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap)
2289 {
2290         int i;
2291         double isnap = 1.0 / snap;
2292         for (i = 0;i < numvertices*numcomponents;i++)
2293                 vertices[i] = floor(vertices[i]*isnap)*snap;
2294 }
2295
2296 int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f)
2297 {
2298         int i, outtriangles;
2299         float edgedir1[3], edgedir2[3], temp[3];
2300         // a degenerate triangle is one with no width (thickness, surface area)
2301         // these are characterized by having all 3 points colinear (along a line)
2302         // or having two points identical
2303         // the simplest check is to calculate the triangle's area
2304         for (i = 0, outtriangles = 0;i < numtriangles;i++, inelement3i += 3)
2305         {
2306                 // calculate first edge
2307                 VectorSubtract(vertex3f + inelement3i[1] * 3, vertex3f + inelement3i[0] * 3, edgedir1);
2308                 VectorSubtract(vertex3f + inelement3i[2] * 3, vertex3f + inelement3i[0] * 3, edgedir2);
2309                 CrossProduct(edgedir1, edgedir2, temp);
2310                 if (VectorLength2(temp) < 0.001f)
2311                         continue; // degenerate triangle (no area)
2312                 // valid triangle (has area)
2313                 VectorCopy(inelement3i, outelement3i);
2314                 outelement3i += 3;
2315                 outtriangles++;
2316         }
2317         return outtriangles;
2318 }
2319
2320 void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firstvertexpointer, int *lastvertexpointer)
2321 {
2322         int i, e;
2323         int firstvertex, lastvertex;
2324         if (numelements > 0 && elements)
2325         {
2326                 firstvertex = lastvertex = elements[0];
2327                 for (i = 1;i < numelements;i++)
2328                 {
2329                         e = elements[i];
2330                         firstvertex = min(firstvertex, e);
2331                         lastvertex = max(lastvertex, e);
2332                 }
2333         }
2334         else
2335                 firstvertex = lastvertex = 0;
2336         if (firstvertexpointer)
2337                 *firstvertexpointer = firstvertex;
2338         if (lastvertexpointer)
2339                 *lastvertexpointer = lastvertex;
2340 }
2341
2342 void Mod_MakeSortedSurfaces(dp_model_t *mod)
2343 {
2344         // make an optimal set of texture-sorted batches to draw...
2345         int j, t;
2346         int *firstsurfacefortexture;
2347         int *numsurfacesfortexture;
2348         if (!mod->sortedmodelsurfaces)
2349                 mod->sortedmodelsurfaces = (int *) Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->sortedmodelsurfaces));
2350         firstsurfacefortexture = (int *) Mem_Alloc(tempmempool, mod->num_textures * sizeof(*firstsurfacefortexture));
2351         numsurfacesfortexture = (int *) Mem_Alloc(tempmempool, mod->num_textures * sizeof(*numsurfacesfortexture));
2352         memset(numsurfacesfortexture, 0, mod->num_textures * sizeof(*numsurfacesfortexture));
2353         for (j = 0;j < mod->nummodelsurfaces;j++)
2354         {
2355                 const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
2356                 int t = (int)(surface->texture - mod->data_textures);
2357                 numsurfacesfortexture[t]++;
2358         }
2359         j = 0;
2360         for (t = 0;t < mod->num_textures;t++)
2361         {
2362                 firstsurfacefortexture[t] = j;
2363                 j += numsurfacesfortexture[t];
2364         }
2365         for (j = 0;j < mod->nummodelsurfaces;j++)
2366         {
2367                 const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
2368                 int t = (int)(surface->texture - mod->data_textures);
2369                 mod->sortedmodelsurfaces[firstsurfacefortexture[t]++] = j + mod->firstmodelsurface;
2370         }
2371         Mem_Free(firstsurfacefortexture);
2372         Mem_Free(numsurfacesfortexture);
2373 }
2374
2375 static void Mod_BuildVBOs(void)
2376 {
2377         if (developer.integer && loadmodel->surfmesh.data_element3s && loadmodel->surfmesh.data_element3i)
2378         {
2379                 int i;
2380                 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
2381                 {
2382                         if (loadmodel->surfmesh.data_element3s[i] != loadmodel->surfmesh.data_element3i[i])
2383                         {
2384                                 Con_Printf("Mod_BuildVBOs: element %u is incorrect (%u should be %u)\n", i, loadmodel->surfmesh.data_element3s[i], loadmodel->surfmesh.data_element3i[i]);
2385                                 loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
2386                         }
2387                 }
2388         }
2389
2390         if (!gl_support_arb_vertex_buffer_object)
2391                 return;
2392
2393         // element buffer is easy because it's just one array
2394         if (loadmodel->surfmesh.num_triangles)
2395         {
2396                 if (loadmodel->surfmesh.data_element3s)
2397                         loadmodel->surfmesh.ebo3s = R_Mesh_CreateStaticBufferObject(GL_ELEMENT_ARRAY_BUFFER_ARB, loadmodel->surfmesh.data_element3s, loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3]), loadmodel->name);
2398                 else
2399                         loadmodel->surfmesh.ebo3i = R_Mesh_CreateStaticBufferObject(GL_ELEMENT_ARRAY_BUFFER_ARB, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles * sizeof(unsigned int[3]), loadmodel->name);
2400         }
2401
2402         // vertex buffer is several arrays and we put them in the same buffer
2403         //
2404         // is this wise?  the texcoordtexture2f array is used with dynamic
2405         // vertex/svector/tvector/normal when rendering animated models, on the
2406         // other hand animated models don't use a lot of vertices anyway...
2407         if (loadmodel->surfmesh.num_vertices)
2408         {
2409                 size_t size;
2410                 unsigned char *mem;
2411                 size = 0;
2412                 loadmodel->surfmesh.vbooffset_vertex3f           = size;if (loadmodel->surfmesh.data_vertex3f          ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2413                 loadmodel->surfmesh.vbooffset_svector3f          = size;if (loadmodel->surfmesh.data_svector3f         ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2414                 loadmodel->surfmesh.vbooffset_tvector3f          = size;if (loadmodel->surfmesh.data_tvector3f         ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2415                 loadmodel->surfmesh.vbooffset_normal3f           = size;if (loadmodel->surfmesh.data_normal3f          ) size += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
2416                 loadmodel->surfmesh.vbooffset_texcoordtexture2f  = size;if (loadmodel->surfmesh.data_texcoordtexture2f ) size += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
2417                 loadmodel->surfmesh.vbooffset_texcoordlightmap2f = size;if (loadmodel->surfmesh.data_texcoordlightmap2f) size += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
2418                 loadmodel->surfmesh.vbooffset_lightmapcolor4f    = size;if (loadmodel->surfmesh.data_lightmapcolor4f   ) size += loadmodel->surfmesh.num_vertices * sizeof(float[4]);
2419                 mem = (unsigned char *)Mem_Alloc(tempmempool, size);
2420                 if (loadmodel->surfmesh.data_vertex3f          ) memcpy(mem + loadmodel->surfmesh.vbooffset_vertex3f          , loadmodel->surfmesh.data_vertex3f          , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2421                 if (loadmodel->surfmesh.data_svector3f         ) memcpy(mem + loadmodel->surfmesh.vbooffset_svector3f         , loadmodel->surfmesh.data_svector3f         , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2422                 if (loadmodel->surfmesh.data_tvector3f         ) memcpy(mem + loadmodel->surfmesh.vbooffset_tvector3f         , loadmodel->surfmesh.data_tvector3f         , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2423                 if (loadmodel->surfmesh.data_normal3f          ) memcpy(mem + loadmodel->surfmesh.vbooffset_normal3f          , loadmodel->surfmesh.data_normal3f          , loadmodel->surfmesh.num_vertices * sizeof(float[3]));
2424                 if (loadmodel->surfmesh.data_texcoordtexture2f ) memcpy(mem + loadmodel->surfmesh.vbooffset_texcoordtexture2f , loadmodel->surfmesh.data_texcoordtexture2f , loadmodel->surfmesh.num_vertices * sizeof(float[2]));
2425                 if (loadmodel->surfmesh.data_texcoordlightmap2f) memcpy(mem + loadmodel->surfmesh.vbooffset_texcoordlightmap2f, loadmodel->surfmesh.data_texcoordlightmap2f, loadmodel->surfmesh.num_vertices * sizeof(float[2]));
2426                 if (loadmodel->surfmesh.data_lightmapcolor4f   ) memcpy(mem + loadmodel->surfmesh.vbooffset_lightmapcolor4f   , loadmodel->surfmesh.data_lightmapcolor4f   , loadmodel->surfmesh.num_vertices * sizeof(float[4]));
2427                 loadmodel->surfmesh.vbo = R_Mesh_CreateStaticBufferObject(GL_ARRAY_BUFFER_ARB, mem, size, loadmodel->name);
2428                 Mem_Free(mem);
2429         }
2430 }
2431
2432 static void Mod_Decompile_OBJ(dp_model_t *model, const char *filename, const char *mtlfilename, const char *originalfilename)
2433 {
2434         int vertexindex, surfaceindex, triangleindex, textureindex, countvertices = 0, countsurfaces = 0, countfaces = 0, counttextures = 0;
2435         int a, b, c;
2436         const char *texname;
2437         const int *e;
2438         const float *v, *vn, *vt;
2439         size_t l;
2440         size_t outbufferpos = 0;
2441         size_t outbuffermax = 0x100000;
2442         char *outbuffer = (char *) Z_Malloc(outbuffermax), *oldbuffer;
2443         const msurface_t *surface;
2444         const int maxtextures = 256;
2445         char *texturenames = (char *) Z_Malloc(maxtextures * MAX_QPATH);
2446
2447         // construct the mtllib file
2448         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "# mtllib for %s exported by darkplaces engine\n", originalfilename);
2449         if (l > 0)
2450                 outbufferpos += l;
2451         for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->num_surfaces;surfaceindex++, surface++)
2452         {
2453                 countsurfaces++;
2454                 countvertices += surface->num_vertices;
2455                 countfaces += surface->num_triangles;
2456                 texname = (surface->texture && surface->texture->name[0]) ? surface->texture->name : "default";
2457                 for (textureindex = 0;textureindex < maxtextures && texturenames[textureindex*MAX_QPATH];textureindex++)
2458                         if (!strcmp(texturenames + textureindex * MAX_QPATH, texname))
2459                                 break;
2460                 if (textureindex >= maxtextures)
2461                         continue; // just a precaution
2462                 if (counttextures < textureindex + 1)
2463                         counttextures = textureindex + 1;
2464                 strlcpy(texturenames + textureindex * MAX_QPATH, texname, MAX_QPATH);
2465                 if (outbufferpos >= outbuffermax >> 1)
2466                 {
2467                         outbuffermax *= 2;
2468                         oldbuffer = outbuffer;
2469                         outbuffer = (char *) Z_Malloc(outbuffermax);
2470                         memcpy(outbuffer, oldbuffer, outbufferpos);
2471                         Z_Free(oldbuffer);
2472                 }
2473                 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");
2474                 if (l > 0)
2475                         outbufferpos += l;
2476         }
2477
2478         // write the mtllib file
2479         FS_WriteFile(mtlfilename, outbuffer, outbufferpos);
2480         outbufferpos = 0;
2481
2482         // construct the obj file
2483         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);
2484         if (l > 0)
2485                 outbufferpos += l;
2486         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)
2487         {
2488                 if (outbufferpos >= outbuffermax >> 1)
2489                 {
2490                         outbuffermax *= 2;
2491                         oldbuffer = outbuffer;
2492                         outbuffer = (char *) Z_Malloc(outbuffermax);
2493                         memcpy(outbuffer, oldbuffer, outbufferpos);
2494                         Z_Free(oldbuffer);
2495                 }
2496                 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]);
2497                 if (l > 0)
2498                         outbufferpos += l;
2499         }
2500         for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->num_surfaces;surfaceindex++, surface++)
2501         {
2502                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "usemtl %s\n", (surface->texture && surface->texture->name[0]) ? surface->texture->name : "default");
2503                 if (l > 0)
2504                         outbufferpos += l;
2505                 for (triangleindex = 0, e = model->surfmesh.data_element3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
2506                 {
2507                         if (outbufferpos >= outbuffermax >> 1)
2508                         {
2509                                 outbuffermax *= 2;
2510                                 oldbuffer = outbuffer;
2511                                 outbuffer = (char *) Z_Malloc(outbuffermax);
2512                                 memcpy(outbuffer, oldbuffer, outbufferpos);
2513                                 Z_Free(oldbuffer);
2514                         }
2515                         a = e[0]+1;
2516                         b = e[2]+1;
2517                         c = e[1]+1;
2518                         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);
2519                         if (l > 0)
2520                                 outbufferpos += l;
2521                 }
2522         }
2523
2524         // write the obj file
2525         FS_WriteFile(filename, outbuffer, outbufferpos);
2526
2527         // clean up
2528         Z_Free(outbuffer);
2529         Z_Free(texturenames);
2530
2531         // print some stats
2532         Con_Printf("Wrote %s (%i bytes, %i vertices, %i faces, %i surfaces with %i distinct textures)\n", filename, (int)outbufferpos, countvertices, countfaces, countsurfaces, counttextures);
2533 }
2534
2535 static void Mod_Decompile_SMD(dp_model_t *model, const char *filename, int firstpose, int numposes, qboolean writetriangles)
2536 {
2537         int countnodes = 0, counttriangles = 0, countframes = 0;
2538         int surfaceindex;
2539         int triangleindex;
2540         int transformindex;
2541         int poseindex;
2542         int cornerindex;
2543         float modelscale;
2544         const int *e;
2545         const float *pose;
2546         size_t l;
2547         size_t outbufferpos = 0;
2548         size_t outbuffermax = 0x100000;
2549         char *outbuffer = (char *) Z_Malloc(outbuffermax), *oldbuffer;
2550         const msurface_t *surface;
2551         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "version 1\nnodes\n");
2552         if (l > 0)
2553                 outbufferpos += l;
2554         modelscale = 1;
2555         if(model->num_poses >= 0)
2556                 modelscale = sqrt(model->data_poses[0] * model->data_poses[0] + model->data_poses[1] * model->data_poses[1] + model->data_poses[2] * model->data_poses[2]);
2557         if(fabs(modelscale - 1) > 1e-4)
2558         {
2559                 if(firstpose == 0) // only print the when writing the reference pose
2560                         Con_Printf("The model has an old-style model scale of %f\n", modelscale);
2561         }
2562         else
2563                 modelscale = 1;
2564         for (transformindex = 0;transformindex < model->num_bones;transformindex++)
2565         {
2566                 if (outbufferpos >= outbuffermax >> 1)
2567                 {
2568                         outbuffermax *= 2;
2569                         oldbuffer = outbuffer;
2570                         outbuffer = (char *) Z_Malloc(outbuffermax);
2571                         memcpy(outbuffer, oldbuffer, outbufferpos);
2572                         Z_Free(oldbuffer);
2573                 }
2574                 countnodes++;
2575                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i \"%s\" %3i\n", transformindex, model->data_bones[transformindex].name, model->data_bones[transformindex].parent);
2576                 if (l > 0)
2577                         outbufferpos += l;
2578         }
2579         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\nskeleton\n");
2580         if (l > 0)
2581                 outbufferpos += l;
2582         for (poseindex = 0, pose = model->data_poses + model->num_bones * 12 * firstpose;poseindex < numposes;poseindex++)
2583         {
2584                 countframes++;
2585                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "time %i\n", poseindex);
2586                 if (l > 0)
2587                         outbufferpos += l;
2588                 for (transformindex = 0;transformindex < model->num_bones;transformindex++, pose += 12)
2589                 {
2590                         float a, b, c;
2591                         float angles[3];
2592                         float mtest[3][4];
2593                         if (outbufferpos >= outbuffermax >> 1)
2594                         {
2595                                 outbuffermax *= 2;
2596                                 oldbuffer = outbuffer;
2597                                 outbuffer = (char *) Z_Malloc(outbuffermax);
2598                                 memcpy(outbuffer, oldbuffer, outbufferpos);
2599                                 Z_Free(oldbuffer);
2600                         }
2601
2602                         // strangely the smd angles are for a transposed matrix, so we
2603                         // have to generate a transposed matrix, then convert that...
2604                         mtest[0][0] = pose[ 0];
2605                         mtest[0][1] = pose[ 4];
2606                         mtest[0][2] = pose[ 8];
2607                         mtest[0][3] = pose[ 3];
2608                         mtest[1][0] = pose[ 1];
2609                         mtest[1][1] = pose[ 5];
2610                         mtest[1][2] = pose[ 9];
2611                         mtest[1][3] = pose[ 7];
2612                         mtest[2][0] = pose[ 2];
2613                         mtest[2][1] = pose[ 6];
2614                         mtest[2][2] = pose[10];
2615                         mtest[2][3] = pose[11];
2616                         AnglesFromVectors(angles, mtest[0], mtest[2], false);
2617                         if (angles[0] >= 180) angles[0] -= 360;
2618                         if (angles[1] >= 180) angles[1] -= 360;
2619                         if (angles[2] >= 180) angles[2] -= 360;
2620
2621                         a = DEG2RAD(angles[ROLL]);
2622                         b = DEG2RAD(angles[PITCH]);
2623                         c = DEG2RAD(angles[YAW]);
2624
2625 #if 0
2626 {
2627                         float cy, sy, cp, sp, cr, sr;
2628                         float test[3][4];
2629                         // smd matrix construction, for comparing to non-transposed m
2630                         sy = sin(c);
2631                         cy = cos(c);
2632                         sp = sin(b);
2633                         cp = cos(b);
2634                         sr = sin(a);
2635                         cr = cos(a);
2636
2637                         test[0][0] = cp*cy;
2638                         test[1][0] = cp*sy;
2639                         test[2][0] = -sp;
2640                         test[0][1] = sr*sp*cy+cr*-sy;
2641                         test[1][1] = sr*sp*sy+cr*cy;
2642                         test[2][1] = sr*cp;
2643                         test[0][2] = (cr*sp*cy+-sr*-sy);
2644                         test[1][2] = (cr*sp*sy+-sr*cy);
2645                         test[2][2] = cr*cp;
2646                         test[0][3] = pose[3];
2647                         test[1][3] = pose[7];
2648                         test[2][3] = pose[11];
2649 }
2650 #endif
2651                         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%3i %f %f %f %f %f %f\n", transformindex, pose[3] * modelscale, pose[7] * modelscale, pose[11] * modelscale, DEG2RAD(angles[ROLL]), DEG2RAD(angles[PITCH]), DEG2RAD(angles[YAW]));
2652                         if (l > 0)
2653                                 outbufferpos += l;
2654                 }
2655         }
2656         l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\n");
2657         if (l > 0)
2658                 outbufferpos += l;
2659         if (writetriangles)
2660         {
2661                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "triangles\n");
2662                 if (l > 0)
2663                         outbufferpos += l;
2664                 for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->num_surfaces;surfaceindex++, surface++)
2665                 {
2666                         for (triangleindex = 0, e = model->surfmesh.data_element3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
2667                         {
2668                                 counttriangles++;
2669                                 if (outbufferpos >= outbuffermax >> 1)
2670                                 {
2671                                         outbuffermax *= 2;
2672                                         oldbuffer = outbuffer;
2673                                         outbuffer = (char *) Z_Malloc(outbuffermax);
2674                                         memcpy(outbuffer, oldbuffer, outbufferpos);
2675                                         Z_Free(oldbuffer);
2676                                 }
2677                                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "%s\n", surface->texture && surface->texture->name[0] ? surface->texture->name : "default.bmp");
2678                                 if (l > 0)
2679                                         outbufferpos += l;
2680                                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
2681                                 {
2682                                         const int index = e[2-cornerindex];
2683                                         const float *v = model->surfmesh.data_vertex3f + index * 3;
2684                                         const float *vn = model->surfmesh.data_normal3f + index * 3;
2685                                         const float *vt = model->surfmesh.data_texcoordtexture2f + index * 2;
2686                                         const int *wi = model->surfmesh.data_vertexweightindex4i + index * 4;
2687                                         const float *wf = model->surfmesh.data_vertexweightinfluence4f + index * 4;
2688                                              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], wi[1], wf[1], wi[2], wf[2], wi[3], wf[3]);
2689                                         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], wi[1], wf[1], wi[2], wf[2]);
2690                                         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], wi[1], wf[1]);
2691                                         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]);
2692                                         if (l > 0)
2693                                                 outbufferpos += l;
2694                                 }
2695                         }
2696                 }
2697                 l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "end\n");
2698                 if (l > 0)
2699                         outbufferpos += l;
2700         }
2701
2702         FS_WriteFile(filename, outbuffer, outbufferpos);
2703         Z_Free(outbuffer);
2704
2705         Con_Printf("Wrote %s (%i bytes, %i nodes, %i frames, %i triangles)\n", filename, (int)outbufferpos, countnodes, countframes, counttriangles);
2706 }
2707
2708 /*
2709 ================
2710 Mod_Decompile_f
2711
2712 decompiles a model to editable files
2713 ================
2714 */
2715 static void Mod_Decompile_f(void)
2716 {
2717         int i, j, k, l, first, count;
2718         dp_model_t *mod;
2719         char inname[MAX_QPATH];
2720         char outname[MAX_QPATH];
2721         char mtlname[MAX_QPATH];
2722         char basename[MAX_QPATH];
2723         char animname[MAX_QPATH];
2724         char animname2[MAX_QPATH];
2725         char zymtextbuffer[16384];
2726         char dpmtextbuffer[16384];
2727         int zymtextsize = 0;
2728         int dpmtextsize = 0;
2729
2730         if (Cmd_Argc() != 2)
2731         {
2732                 Con_Print("usage: modeldecompile <filename>\n");
2733                 return;
2734         }
2735
2736         strlcpy(inname, Cmd_Argv(1), sizeof(inname));
2737         FS_StripExtension(inname, basename, sizeof(basename));
2738
2739         mod = Mod_ForName(inname, false, true, inname[0] == '*' ? cl.model_name[1] : NULL);
2740         if (mod->brush.submodel)
2741         {
2742                 // if we're decompiling a submodel, be sure to give it a proper name based on its parent
2743                 FS_StripExtension(cl.model_name[1], outname, sizeof(outname));
2744                 dpsnprintf(basename, sizeof(basename), "%s/%s", outname, mod->name);
2745                 outname[0] = 0;
2746         }
2747         if (!mod)
2748         {
2749                 Con_Print("No such model\n");
2750                 return;
2751         }
2752         if (!mod->surfmesh.num_triangles)
2753         {
2754                 Con_Print("Empty model (or sprite)\n");
2755                 return;
2756         }
2757
2758         // export OBJ if possible (not on sprites)
2759         if (mod->surfmesh.num_triangles)
2760         {
2761                 dpsnprintf(outname, sizeof(outname), "%s_decompiled.obj", basename);
2762                 dpsnprintf(mtlname, sizeof(mtlname), "%s_decompiled.mtl", basename);
2763                 Mod_Decompile_OBJ(mod, outname, mtlname, inname);
2764         }
2765
2766         // export SMD if possible (only for skeletal models)
2767         if (mod->surfmesh.num_triangles && mod->num_bones)
2768         {
2769                 dpsnprintf(outname, sizeof(outname), "%s_decompiled/ref1.smd", basename);
2770                 Mod_Decompile_SMD(mod, outname, 0, 1, true);
2771                 l = dpsnprintf(zymtextbuffer + zymtextsize, sizeof(zymtextbuffer) - zymtextsize, "output out.zym\nscale 1\norigin 0 0 0\nmesh ref1.smd\n");
2772                 if (l > 0) zymtextsize += l;
2773                 l = dpsnprintf(dpmtextbuffer + dpmtextsize, sizeof(dpmtextbuffer) - dpmtextsize, "outputdir .\nmodel out\nscale 1\norigin 0 0 0\nscene ref1.smd\n");
2774                 if (l > 0) dpmtextsize += l;
2775                 for (i = 0;i < mod->numframes;i = j)
2776                 {
2777                         strlcpy(animname, mod->animscenes[i].name, sizeof(animname));
2778                         first = mod->animscenes[i].firstframe;
2779                         if (mod->animscenes[i].framecount > 1)
2780                         {
2781                                 // framegroup anim
2782                                 count = mod->animscenes[i].framecount;
2783                                 j = i + 1;
2784                         }
2785                         else
2786                         {
2787                                 // individual frame
2788                                 // check for additional frames with same name
2789                                 for (l = 0, k = strlen(animname);animname[l];l++)
2790                                         if ((animname[l] < '0' || animname[l] > '9') && animname[l] != '_')
2791                                                 k = l + 1;
2792                                 animname[k] = 0;
2793                                 count = mod->num_poses - first;
2794                                 for (j = i + 1;j < mod->numframes;j++)
2795                                 {
2796                                         strlcpy(animname2, mod->animscenes[j].name, sizeof(animname2));
2797                                         for (l = 0, k = strlen(animname2);animname2[l];l++)
2798                                                 if ((animname2[l] < '0' || animname2[l] > '9') && animname2[l] != '_')
2799                                                         k = l + 1;
2800                                         animname2[k] = 0;
2801                                         if (strcmp(animname2, animname) || mod->animscenes[j].framecount > 1)
2802                                         {
2803                                                 count = mod->animscenes[j].firstframe - first;
2804                                                 break;
2805                                         }
2806                                 }
2807                                 // if it's only one frame, use the original frame name
2808                                 if (j == i + 1)
2809                                         strlcpy(animname, mod->animscenes[i].name, sizeof(animname));
2810
2811                         }
2812                         dpsnprintf(outname, sizeof(outname), "%s_decompiled/%s.smd", basename, animname);
2813                         Mod_Decompile_SMD(mod, outname, first, count, false);
2814                         if (zymtextsize < (int)sizeof(zymtextbuffer) - 100)
2815                         {
2816                                 l = dpsnprintf(zymtextbuffer + zymtextsize, sizeof(zymtextbuffer) - zymtextsize, "scene %s.smd fps %g\n", animname, mod->animscenes[i].framerate);
2817                                 if (l > 0) zymtextsize += l;
2818                         }
2819                         if (dpmtextsize < (int)sizeof(dpmtextbuffer) - 100)
2820                         {
2821                                 l = dpsnprintf(dpmtextbuffer + dpmtextsize, sizeof(dpmtextbuffer) - dpmtextsize, "scene %s.smd\n", animname);
2822                                 if (l > 0) dpmtextsize += l;
2823                         }
2824                 }
2825                 if (zymtextsize)
2826                         FS_WriteFile(va("%s_decompiled/out_zym.txt", basename), zymtextbuffer, (fs_offset_t)zymtextsize);
2827                 if (dpmtextsize)
2828                         FS_WriteFile(va("%s_decompiled/out_dpm.txt", basename), dpmtextbuffer, (fs_offset_t)dpmtextsize);
2829         }
2830 }
2831