tools/quake3/q3map2/bsp.c

   1 /* -------------------------------------------------------------------------------
   2
   3 Copyright (C) 1999-2007 id Software, Inc. and contributors.
   4 For a list of contributors, see the accompanying CONTRIBUTORS file.
   5
   6 This file is part of GtkRadiant.
   7
   8 GtkRadiant is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 GtkRadiant is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GtkRadiant; if not, write to the Free Software
  20 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21
  22 ----------------------------------------------------------------------------------
  23
  24 This code has been altered significantly from its original form, to support
  25 several games based on the Quake III Arena engine, in the form of "Q3Map2."
  26
  27 ------------------------------------------------------------------------------- */
  28
  29
  30
  31 /* marker */
  32 #define BSP_C
  33
  34
  35
  36 /* dependencies */
  37 #include "q3map2.h"
  38
  39
  40
  41 /* -------------------------------------------------------------------------------
  42
  43 functions
  44
  45 ------------------------------------------------------------------------------- */
  46
  47
  48 /*
  49 ProcessAdvertisements()
  50 copies advertisement info into the BSP structures
  51 */
  52
  53 static void ProcessAdvertisements( void ) {
  54         int                                     i;
  55         const char*                     className;
  56         const char*                     modelKey;
  57         int                                     modelNum;
  58         bspModel_t*                     adModel;
  59         bspDrawSurface_t*       adSurface;
  60
  61         Sys_FPrintf( SYS_VRB, "--- ProcessAdvertisements ---\n" );
  62
  63         for( i = 0; i < numEntities; i++ ) {
  64
  65                 /* is an advertisement? */
  66                 className = ValueForKey( &entities[ i ], "classname" );
  67
  68                 if( !Q_stricmp( "advertisement", className ) ) {
  69
  70                         modelKey = ValueForKey( &entities[ i ], "model" );
  71
  72                         if( strlen( modelKey ) > MAX_QPATH - 1 ) {
  73                                 Error( "Model Key for entity exceeds ad struct string length." );
  74                         } else {
  75                                 if( numBSPAds < MAX_MAP_ADVERTISEMENTS ) {
  76                                         bspAds[numBSPAds].cellId = IntForKey( &entities[ i ], "cellId" );
  77                                         strncpy( bspAds[numBSPAds].model, modelKey, sizeof( bspAds[numBSPAds].model ) );
  78
  79                                         modelKey++;
  80                                         modelNum = atoi( modelKey );
  81                                         adModel = &bspModels[modelNum];
  82
  83                                         if( adModel->numBSPSurfaces != 1 ) {
  84                                                 Error( "Ad cell id %d has more than one surface.", bspAds[numBSPAds].cellId );
  85                                         }
  86
  87                                         adSurface = &bspDrawSurfaces[adModel->firstBSPSurface];
  88
  89                                         // store the normal for use at run time.. all ad verts are assumed to
  90                                         // have identical normals (because they should be a simple rectangle)
  91                                         // so just use the first vert's normal
  92                                         VectorCopy( bspDrawVerts[adSurface->firstVert].normal, bspAds[numBSPAds].normal );
  93
  94                                         // store the ad quad for quick use at run time
  95                                         if( adSurface->surfaceType == MST_PATCH ) {
  96                                                 int v0 = adSurface->firstVert + adSurface->patchHeight - 1;
  97                                                 int v1 = adSurface->firstVert + adSurface->numVerts - 1;
  98                                                 int v2 = adSurface->firstVert + adSurface->numVerts - adSurface->patchWidth;
  99                                                 int v3 = adSurface->firstVert;
 100                                                 VectorCopy( bspDrawVerts[v0].xyz, bspAds[numBSPAds].rect[0] );
 101                                                 VectorCopy( bspDrawVerts[v1].xyz, bspAds[numBSPAds].rect[1] );
 102                                                 VectorCopy( bspDrawVerts[v2].xyz, bspAds[numBSPAds].rect[2] );
 103                                                 VectorCopy( bspDrawVerts[v3].xyz, bspAds[numBSPAds].rect[3] );
 104                                         } else {
 105                                                 Error( "Ad cell %d has an unsupported Ad Surface type.", bspAds[numBSPAds].cellId );
 106                                         }
 107
 108                                         numBSPAds++;
 109                                 } else {
 110                                         Error( "Maximum number of map advertisements exceeded." );
 111                                 }
 112                         }
 113                 }
 114         }
 115
 116         Sys_FPrintf( SYS_VRB, "%9d in-game advertisements\n", numBSPAds );
 117 }
 118
 119 /*
 120 SetCloneModelNumbers() - ydnar
 121 sets the model numbers for brush entities
 122 */
 123
 124 static void SetCloneModelNumbers( void )
 125 {
 126         int                     i, j;
 127         int                     models;
 128         char            modelValue[ 10 ];
 129         const char      *value, *value2, *value3;
 130
 131
 132         /* start with 1 (worldspawn is model 0) */
 133         models = 1;
 134         for( i = 1; i < numEntities; i++ )
 135         {
 136                 /* only entities with brushes or patches get a model number */
 137                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
 138                         continue;
 139
 140                 /* is this a clone? */
 141                 value = ValueForKey( &entities[ i ], "_clone" );
 142                 if( value[ 0 ] != '\0' )
 143                         continue;
 144
 145                 /* add the model key */
 146                 sprintf( modelValue, "*%d", models );
 147                 SetKeyValue( &entities[ i ], "model", modelValue );
 148
 149                 /* increment model count */
 150                 models++;
 151         }
 152
 153         /* fix up clones */
 154         for( i = 1; i < numEntities; i++ )
 155         {
 156                 /* only entities with brushes or patches get a model number */
 157                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
 158                         continue;
 159
 160                 /* is this a clone? */
 161                 value = ValueForKey( &entities[ i ], "_ins" );
 162                 if( value[ 0 ] == '\0' )
 163                         value = ValueForKey( &entities[ i ], "_instance" );
 164                 if( value[ 0 ] == '\0' )
 165                         value = ValueForKey( &entities[ i ], "_clone" );
 166                 if( value[ 0 ] == '\0' )
 167                         continue;
 168
 169                 /* find an entity with matching clone name */
 170                 for( j = 0; j < numEntities; j++ )
 171                 {
 172                         /* is this a clone parent? */
 173                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 174                         if( value2[ 0 ] == '\0' )
 175                                 continue;
 176
 177                         /* do they match? */
 178                         if( strcmp( value, value2 ) == 0 )
 179                         {
 180                                 /* get the model num */
 181                                 value3 = ValueForKey( &entities[ j ], "model" );
 182                                 if( value3[ 0 ] == '\0' )
 183                                 {
 184                                         Sys_Printf( "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 185                                         continue;
 186                                 }
 187                                 models = atoi( &value2[ 1 ] );
 188
 189                                 /* add the model key */
 190                                 sprintf( modelValue, "*%d", models );
 191                                 SetKeyValue( &entities[ i ], "model", modelValue );
 192
 193                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 194                                 entities[ i ].brushes = NULL;
 195                                 entities[ i ].patches = NULL;
 196                         }
 197                 }
 198         }
 199 }
 200
 201
 202
 203 /*
 204 FixBrushSides() - ydnar
 205 matches brushsides back to their appropriate drawsurface and shader
 206 */
 207
 208 static void FixBrushSides( entity_t *e )
 209 {
 210         int                                     i;
 211         mapDrawSurface_t        *ds;
 212         sideRef_t                       *sideRef;
 213         bspBrushSide_t          *side;
 214
 215
 216         /* note it */
 217         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 218
 219         /* walk list of drawsurfaces */
 220         for( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 221         {
 222                 /* get surface and try to early out */
 223                 ds = &mapDrawSurfs[ i ];
 224                 if( ds->outputNum < 0 )
 225                         continue;
 226
 227                 /* walk sideref list */
 228                 for( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 229                 {
 230                         /* get bsp brush side */
 231                         if( sideRef->side == NULL || sideRef->side->outputNum < 0 )
 232                                 continue;
 233                         side = &bspBrushSides[ sideRef->side->outputNum ];
 234
 235                         /* set drawsurface */
 236                         side->surfaceNum = ds->outputNum;
 237                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 238
 239                         /* set shader */
 240                         if( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) )
 241                         {
 242                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 243                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 244                         }
 245                 }
 246         }
 247 }
 248
 249
 250
 251 /*
 252 ProcessWorldModel()
 253 creates a full bsp + surfaces for the worldspawn entity
 254 */
 255
 256 void ProcessWorldModel( void )
 257 {
 258         int                     i, s;
 259         entity_t        *e;
 260         tree_t          *tree;
 261         face_t          *faces;
 262         qboolean        ignoreLeaks, leaked;
 263         xmlNodePtr      polyline, leaknode;
 264         char            level[ 2 ], shader[ 1024 ];
 265         const char      *value;
 266
 267         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 268         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 269         if( value[ 0 ] == '\0' )
 270                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 271         if( value[ 0 ] == '\0' )
 272                 value = ValueForKey( &entities[ 0 ], "chopsize" );      /* sof2 */
 273         if( value[ 0 ] != '\0' )
 274         {
 275                 /* scan 3 numbers */
 276                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 277
 278                 /* handle legacy case */
 279                 if( s == 1 )
 280                 {
 281                         blockSize[ 1 ] = blockSize[ 0 ];
 282                         blockSize[ 2 ] = blockSize[ 0 ];
 283                 }
 284         }
 285         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 286
 287         /* sof2: ignore leaks? */
 288         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 289         if( value[ 0 ] == '\0' )
 290                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 291         if( value[ 0 ] == '1' )
 292                 ignoreLeaks = qtrue;
 293         else
 294                 ignoreLeaks = qfalse;
 295
 296         /* begin worldspawn model */
 297         BeginModel();
 298         e = &entities[ 0 ];
 299         e->firstDrawSurf = 0;
 300
 301         /* ydnar: gs mods */
 302         ClearMetaTriangles();
 303
 304         /* check for patches with adjacent edges that need to lod together */
 305         PatchMapDrawSurfs( e );
 306
 307         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 308         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 309         tree = FaceBSP( faces );
 310         MakeTreePortals( tree );
 311         FilterStructuralBrushesIntoTree( e, tree );
 312
 313         /* see if the bsp is completely enclosed */
 314         if( FloodEntities( tree ) || ignoreLeaks )
 315         {
 316                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 317                 FillOutside( tree->headnode );
 318
 319                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 320                 ClipSidesIntoTree( e, tree );
 321
 322                 /* build a visible face tree */
 323                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 324                 FreeTree( tree );
 325                 tree = FaceBSP( faces );
 326                 MakeTreePortals( tree );
 327                 FilterStructuralBrushesIntoTree( e, tree );
 328                 leaked = qfalse;
 329
 330                 /* ydnar: flood again for skybox */
 331                 if( skyboxPresent )
 332                         FloodEntities( tree );
 333         }
 334         else
 335         {
 336                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 337                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 338                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 339                 polyline = LeakFile( tree );
 340                 leaknode = xmlNewNode( NULL, "message" );
 341                 xmlNodeSetContent( leaknode, "MAP LEAKED\n" );
 342                 xmlAddChild( leaknode, polyline );
 343                 level[0] = (int) '0' + SYS_ERR;
 344                 level[1] = 0;
 345                 xmlSetProp( leaknode, "level", (char*) &level );
 346                 xml_SendNode( leaknode );
 347                 if( leaktest )
 348                 {
 349                         Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
 350                         exit( 0 );
 351                 }
 352                 leaked = qtrue;
 353
 354                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 355                 ClipSidesIntoTree( e, tree );
 356         }
 357
 358         /* save out information for visibility processing */
 359         NumberClusters( tree );
 360         if( !leaked )
 361                 WritePortalFile( tree );
 362
 363         /* flood from entities */
 364         FloodAreas( tree );
 365
 366         /* create drawsurfs for triangle models */
 367         AddTriangleModels( e );
 368
 369         /* create drawsurfs for surface models */
 370         AddEntitySurfaceModels( e );
 371
 372         /* generate bsp brushes from map brushes */
 373         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 374
 375         /* add references to the detail brushes */
 376         FilterDetailBrushesIntoTree( e, tree );
 377
 378         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 379         if( !nofog )
 380                 FogDrawSurfaces( e );
 381
 382         /* subdivide each drawsurf as required by shader tesselation */
 383         if( !nosubdivide )
 384                 SubdivideFaceSurfaces( e, tree );
 385
 386         /* add in any vertexes required to fix t-junctions */
 387         if( !notjunc )
 388                 FixTJunctions( e );
 389
 390         /* ydnar: classify the surfaces */
 391         ClassifyEntitySurfaces( e );
 392
 393         /* ydnar: project decals */
 394         MakeEntityDecals( e );
 395
 396         /* ydnar: meta surfaces */
 397         MakeEntityMetaTriangles( e );
 398         SmoothMetaTriangles();
 399         FixMetaTJunctions();
 400         MergeMetaTriangles();
 401
 402         /* ydnar: debug portals */
 403         if( debugPortals )
 404                 MakeDebugPortalSurfs( tree );
 405
 406         /* ydnar: fog hull */
 407         value = ValueForKey( &entities[ 0 ], "_foghull" );
 408         if( value[ 0 ] != '\0' )
 409         {
 410                 sprintf( shader, "textures/%s", value );
 411                 MakeFogHullSurfs( e, tree, shader );
 412         }
 413
 414         /* ydnar: bug 645: do flares for lights */
 415         for( i = 0; i < numEntities && emitFlares; i++ )
 416         {
 417                 entity_t        *light, *target;
 418                 const char      *value, *flareShader;
 419                 vec3_t          origin, targetOrigin, normal, color;
 420                 int                     lightStyle;
 421
 422
 423                 /* get light */
 424                 light = &entities[ i ];
 425                 value = ValueForKey( light, "classname" );
 426                 if( !strcmp( value, "light" ) )
 427                 {
 428                         /* get flare shader */
 429                         flareShader = ValueForKey( light, "_flareshader" );
 430                         value = ValueForKey( light, "_flare" );
 431                         if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
 432                         {
 433                                 /* get specifics */
 434                                 GetVectorForKey( light, "origin", origin );
 435                                 GetVectorForKey( light, "_color", color );
 436                                 lightStyle = IntForKey( light, "_style" );
 437                                 if( lightStyle == 0 )
 438                                         lightStyle = IntForKey( light, "style" );
 439
 440                                 /* handle directional spotlights */
 441                                 value = ValueForKey( light, "target" );
 442                                 if( value[ 0 ] != '\0' )
 443                                 {
 444                                         /* get target light */
 445                                         target = FindTargetEntity( value );
 446                                         if( target != NULL )
 447                                         {
 448                                                 GetVectorForKey( target, "origin", targetOrigin );
 449                                                 VectorSubtract( targetOrigin, origin, normal );
 450                                                 VectorNormalize( normal, normal );
 451                                         }
 452                                 }
 453                                 else
 454                                         //%     VectorClear( normal );
 455                                         VectorSet( normal, 0, 0, -1 );
 456
 457                                 /* create the flare surface (note shader defaults automatically) */
 458                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, (char*) flareShader, lightStyle );
 459                         }
 460                 }
 461         }
 462
 463         /* add references to the final drawsurfs in the apropriate clusters */
 464         FilterDrawsurfsIntoTree( e, tree );
 465
 466         /* match drawsurfaces back to original brushsides (sof2) */
 467         FixBrushSides( e );
 468
 469         /* finish */
 470         EndModel( e, tree->headnode );
 471         FreeTree( tree );
 472 }
 473
 474
 475
 476 /*
 477 ProcessSubModel()
 478 creates bsp + surfaces for other brush models
 479 */
 480
 481 void ProcessSubModel( void )
 482 {
 483         entity_t        *e;
 484         tree_t          *tree;
 485         brush_t         *b, *bc;
 486         node_t          *node;
 487
 488
 489         /* start a brush model */
 490         BeginModel();
 491         e = &entities[ mapEntityNum ];
 492         e->firstDrawSurf = numMapDrawSurfs;
 493
 494         /* ydnar: gs mods */
 495         ClearMetaTriangles();
 496
 497         /* check for patches with adjacent edges that need to lod together */
 498         PatchMapDrawSurfs( e );
 499
 500         /* allocate a tree */
 501         node = AllocNode();
 502         node->planenum = PLANENUM_LEAF;
 503         tree = AllocTree();
 504         tree->headnode = node;
 505
 506         /* add the sides to the tree */
 507         ClipSidesIntoTree( e, tree );
 508
 509         /* ydnar: create drawsurfs for triangle models */
 510         AddTriangleModels( e );
 511
 512         /* create drawsurfs for surface models */
 513         AddEntitySurfaceModels( e );
 514
 515         /* generate bsp brushes from map brushes */
 516         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 517
 518         /* just put all the brushes in headnode */
 519         for( b = e->brushes; b; b = b->next )
 520         {
 521                 bc = CopyBrush( b );
 522                 bc->next = node->brushlist;
 523                 node->brushlist = bc;
 524         }
 525
 526         /* subdivide each drawsurf as required by shader tesselation */
 527         if( !nosubdivide )
 528                 SubdivideFaceSurfaces( e, tree );
 529
 530         /* add in any vertexes required to fix t-junctions */
 531         if( !notjunc )
 532                 FixTJunctions( e );
 533
 534         /* ydnar: classify the surfaces and project lightmaps */
 535         ClassifyEntitySurfaces( e );
 536
 537         /* ydnar: project decals */
 538         MakeEntityDecals( e );
 539
 540         /* ydnar: meta surfaces */
 541         MakeEntityMetaTriangles( e );
 542         SmoothMetaTriangles();
 543         FixMetaTJunctions();
 544         MergeMetaTriangles();
 545
 546         /* add references to the final drawsurfs in the apropriate clusters */
 547         FilterDrawsurfsIntoTree( e, tree );
 548
 549         /* match drawsurfaces back to original brushsides (sof2) */
 550         FixBrushSides( e );
 551
 552         /* finish */
 553         EndModel( e, node );
 554         FreeTree( tree );
 555 }
 556
 557
 558
 559 /*
 560 ProcessModels()
 561 process world + other models into the bsp
 562 */
 563
 564 void ProcessModels( void )
 565 {
 566         qboolean        oldVerbose;
 567         entity_t        *entity;
 568
 569
 570         /* preserve -v setting */
 571         oldVerbose = verbose;
 572
 573         /* start a new bsp */
 574         BeginBSPFile();
 575
 576         /* create map fogs */
 577         CreateMapFogs();
 578
 579         /* walk entity list */
 580         for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 581         {
 582                 /* get entity */
 583                 entity = &entities[ mapEntityNum ];
 584                 if( entity->brushes == NULL && entity->patches == NULL )
 585                         continue;
 586
 587                 /* process the model */
 588                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 589                 if( mapEntityNum == 0 )
 590                         ProcessWorldModel();
 591                 else
 592                         ProcessSubModel();
 593
 594                 /* potentially turn off the deluge of text */
 595                 verbose = verboseEntities;
 596         }
 597
 598         /* restore -v setting */
 599         verbose = oldVerbose;
 600
 601         /* write fogs */
 602         EmitFogs();
 603
 604         /* vortex: emit meta stats */
 605         EmitMetaStats();
 606 }
 607
 608
 609
 610 /*
 611 OnlyEnts()
 612 this is probably broken unless teamed with a radiant version that preserves entity order
 613 */
 614
 615 void OnlyEnts( void )
 616 {
 617         char out[ 1024 ];
 618
 619         char save_cmdline[1024], save_version[1024];
 620         const char *p;
 621
 622         /* note it */
 623         Sys_Printf( "--- OnlyEnts ---\n" );
 624
 625         sprintf( out, "%s.bsp", source );
 626         LoadBSPFile( out );
 627
 628         ParseEntities();
 629         p = ValueForKey(&entities[0], "_q3map2_cmdline");
 630         strncpy(save_cmdline, p, sizeof(save_cmdline));
 631         save_cmdline[sizeof(save_cmdline)-1] = 0;
 632         p = ValueForKey(&entities[0], "_q3map2_version");
 633         strncpy(save_version, p, sizeof(save_version));
 634         save_version[sizeof(save_version)-1] = 0;
 635
 636         numEntities = 0;
 637
 638         LoadShaderInfo();
 639         LoadMapFile( name, qfalse );
 640         SetModelNumbers();
 641         SetLightStyles();
 642
 643         if(*save_cmdline)
 644                 SetKeyValue(&entities[0], "_q3map2_cmdline", save_cmdline);
 645         if(*save_version)
 646                 SetKeyValue(&entities[0], "_q3map2_version", save_version);
 647
 648         numBSPEntities = numEntities;
 649         UnparseEntities();
 650
 651         WriteBSPFile( out );
 652 }
 653
 654
 655
 656 /*
 657 BSPMain() - ydnar
 658 handles creation of a bsp from a map file
 659 */
 660
 661 int BSPMain( int argc, char **argv )
 662 {
 663         int                     i;
 664         char            path[ 1024 ], tempSource[ 1024 ];
 665         qboolean        onlyents = qfalse;
 666
 667
 668         /* note it */
 669         Sys_Printf( "--- BSP ---\n" );
 670
 671         SetDrawSurfacesBuffer();
 672         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 673         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 674         numMapDrawSurfs = 0;
 675
 676         tempSource[ 0 ] = '\0';
 677         globalCelShader[0] = 0;
 678
 679         /* set standard game flags */
 680         maxSurfaceVerts = game->maxSurfaceVerts;
 681         maxSurfaceIndexes = game->maxSurfaceIndexes;
 682         emitFlares = game->emitFlares;
 683
 684         /* process arguments */
 685         for( i = 1; i < (argc - 1); i++ )
 686         {
 687                 if( !strcmp( argv[ i ], "-onlyents" ) )
 688                 {
 689                         Sys_Printf( "Running entity-only compile\n" );
 690                         onlyents = qtrue;
 691                 }
 692                 else if( !strcmp( argv[ i ], "-tempname" ) )
 693                         strcpy( tempSource, argv[ ++i ] );
 694                 else if( !strcmp( argv[ i ], "-tmpout" ) )
 695                         strcpy( outbase, "/tmp" );
 696                 else if( !strcmp( argv[ i ],  "-nowater" ) )
 697                 {
 698                         Sys_Printf( "Disabling water\n" );
 699                         nowater = qtrue;
 700                 }
 701                 else if( !strcmp( argv[ i ],  "-nodetail" ) )
 702                 {
 703                         Sys_Printf( "Ignoring detail brushes\n") ;
 704                         nodetail = qtrue;
 705                 }
 706                 else if( !strcmp( argv[ i ],  "-fulldetail" ) )
 707                 {
 708                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 709                         fulldetail = qtrue;
 710                 }
 711                 else if( !strcmp( argv[ i ],  "-nofog" ) )
 712                 {
 713                         Sys_Printf( "Fog volumes disabled\n" );
 714                         nofog = qtrue;
 715                 }
 716                 else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
 717                 {
 718                         Sys_Printf( "Disabling brush face subdivision\n" );
 719                         nosubdivide = qtrue;
 720                 }
 721                 else if( !strcmp( argv[ i ],  "-leaktest" ) )
 722                 {
 723                         Sys_Printf( "Leaktest enabled\n" );
 724                         leaktest = qtrue;
 725                 }
 726                 else if( !strcmp( argv[ i ],  "-verboseentities" ) )
 727                 {
 728                         Sys_Printf( "Verbose entities enabled\n" );
 729                         verboseEntities = qtrue;
 730                 }
 731                 else if( !strcmp( argv[ i ], "-nocurves" ) )
 732                 {
 733                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 734                         noCurveBrushes = qtrue;
 735                 }
 736                 else if( !strcmp( argv[ i ], "-notjunc" ) )
 737                 {
 738                         Sys_Printf( "T-junction fixing disabled\n" );
 739                         notjunc = qtrue;
 740                 }
 741                 else if( !strcmp( argv[ i ], "-fakemap" ) )
 742                 {
 743                         Sys_Printf( "Generating fakemap.map\n" );
 744                         fakemap = qtrue;
 745                 }
 746                 else if( !strcmp( argv[ i ],  "-samplesize" ) )
 747                 {
 748                         sampleSize = atoi( argv[ i + 1 ] );
 749                         if( sampleSize < 1 )
 750                                 sampleSize = 1;
 751                         i++;
 752                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 753                 }
 754                 else if( !strcmp( argv[ i ], "-minsamplesize" ) )
 755                 {
 756                         minSampleSize = atoi( argv[ i + 1 ] );
 757                         if( minSampleSize < 1 )
 758                                 minSampleSize = 1;
 759                         i++;
 760                         Sys_Printf( "Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize );
 761                 }
 762                 else if( !strcmp( argv[ i ],  "-custinfoparms") )
 763                 {
 764                         Sys_Printf( "Custom info parms enabled\n" );
 765                         useCustomInfoParms = qtrue;
 766                 }
 767
 768                 /* sof2 args */
 769                 else if( !strcmp( argv[ i ], "-rename" ) )
 770                 {
 771                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 772                         renameModelShaders = qtrue;
 773                 }
 774
 775                 /* ydnar args */
 776                 else if( !strcmp( argv[ i ],  "-ne" ) )
 777                 {
 778                         normalEpsilon = atof( argv[ i + 1 ] );
 779                         i++;
 780                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 781                 }
 782                 else if( !strcmp( argv[ i ],  "-de" ) )
 783                 {
 784                         distanceEpsilon = atof( argv[ i + 1 ] );
 785                         i++;
 786                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 787                 }
 788                 else if( !strcmp( argv[ i ],  "-mv" ) )
 789                 {
 790                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 791                         if( maxLMSurfaceVerts < 3 )
 792                                 maxLMSurfaceVerts = 3;
 793                         if( maxLMSurfaceVerts > maxSurfaceVerts )
 794                                 maxSurfaceVerts = maxLMSurfaceVerts;
 795                         i++;
 796                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 797                 }
 798                 else if( !strcmp( argv[ i ],  "-mi" ) )
 799                 {
 800                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 801                         if( maxSurfaceIndexes < 3 )
 802                                 maxSurfaceIndexes = 3;
 803                         i++;
 804                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 805                 }
 806                 else if( !strcmp( argv[ i ], "-np" ) )
 807                 {
 808                         npDegrees = atof( argv[ i + 1 ] );
 809                         if( npDegrees < 0.0f )
 810                                 shadeAngleDegrees = 0.0f;
 811                         else if( npDegrees > 0.0f )
 812                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 813                         i++;
 814                 }
 815                 else if( !strcmp( argv[ i ],  "-snap" ) )
 816                 {
 817                         bevelSnap = atoi( argv[ i + 1 ]);
 818                         if( bevelSnap < 0 )
 819                                 bevelSnap = 0;
 820                         i++;
 821                         if( bevelSnap > 0 )
 822                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 823                 }
 824                 else if( !strcmp( argv[ i ],  "-texrange" ) )
 825                 {
 826                         texRange = atoi( argv[ i + 1 ]);
 827                         if( texRange < 0 )
 828                                 texRange = 0;
 829                         i++;
 830                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 831                 }
 832                 else if( !strcmp( argv[ i ], "-nohint" ) )
 833                 {
 834                         Sys_Printf( "Hint brushes disabled\n" );
 835                         noHint = qtrue;
 836                 }
 837                 else if( !strcmp( argv[ i ], "-flat" ) )
 838                 {
 839                         Sys_Printf( "Flatshading enabled\n" );
 840                         flat = qtrue;
 841                 }
 842                 else if( !strcmp( argv[ i ], "-celshader" ) )
 843                 {
 844                         ++i;
 845                         if(argv[i][0])
 846                                 sprintf( globalCelShader, "textures/%s", argv[ i ] );
 847                         else
 848                                 *globalCelShader = 0;
 849                         Sys_Printf( "Global cel shader set to \"%s\"\n", globalCelShader );
 850                 }
 851                 else if( !strcmp( argv[ i ], "-meta" ) )
 852                 {
 853                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 854                         meta = qtrue;
 855                 }
 856                 else if( !strcmp( argv[ i ], "-patchmeta" ) )
 857                 {
 858                         Sys_Printf( "Creating meta surfaces from patches\n" );
 859                         patchMeta = qtrue;
 860                 }
 861                 else if( !strcmp( argv[ i ], "-flares" ) )
 862                 {
 863                         Sys_Printf( "Flare surfaces enabled\n" );
 864                         emitFlares = qtrue;
 865                 }
 866                 else if( !strcmp( argv[ i ], "-noflares" ) )
 867                 {
 868                         Sys_Printf( "Flare surfaces disabled\n" );
 869                         emitFlares = qfalse;
 870                 }
 871                 else if( !strcmp( argv[ i ], "-skyfix" ) )
 872                 {
 873                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 874                         skyFixHack = qtrue;
 875                 }
 876                 else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
 877                 {
 878                         Sys_Printf( "emitting debug surfaces\n" );
 879                         debugSurfaces = qtrue;
 880                 }
 881                 else if( !strcmp( argv[ i ], "-debuginset" ) )
 882                 {
 883                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 884                         debugInset = qtrue;
 885                 }
 886                 else if( !strcmp( argv[ i ], "-debugportals" ) )
 887                 {
 888                         Sys_Printf( "Debug portal surfaces enabled\n" );
 889                         debugPortals = qtrue;
 890                 }
 891                 else if( !strcmp( argv[ i ], "-altsplit" ) )
 892                 {
 893                         Sys_Printf( "Alternate BSP splitting (by 27) enabled\n" );
 894                         bspAlternateSplitWeights = qtrue;
 895                 }
 896                 else if( !strcmp( argv[ i ], "-deep" ) )
 897                 {
 898                         Sys_Printf( "Deep BSP tree generation enabled\n" );
 899                         deepBSP = qtrue;
 900                 }
 901                 else if( !strcmp( argv[ i ], "-bsp" ) )
 902                         Sys_Printf( "-bsp argument unnecessary\n" );
 903                 else
 904                 {
 905                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 906                 }
 907         }
 908
 909         /* fixme: print more useful usage here */
 910         if( i != (argc - 1) )
 911                 Error( "usage: q3map [options] mapfile" );
 912
 913         /* copy source name */
 914         strcpy( source, ExpandArg( argv[ i ] ) );
 915         StripExtension( source );
 916
 917         /* ydnar: set default sample size */
 918         SetDefaultSampleSize( sampleSize );
 919
 920         /* delete portal, line and surface files */
 921         sprintf( path, "%s.prt", source );
 922         remove( path );
 923         sprintf( path, "%s.lin", source );
 924         remove( path );
 925         //%     sprintf( path, "%s.srf", source );      /* ydnar */
 926         //%     remove( path );
 927
 928         /* expand mapname */
 929         strcpy( name, ExpandArg( argv[ i ] ) );
 930         if( strcmp( name + strlen( name ) - 4, ".reg" ) )
 931         {
 932                 /* if we are doing a full map, delete the last saved region map */
 933                 sprintf( path, "%s.reg", source );
 934                 remove( path );
 935                 DefaultExtension( name, ".map" );       /* might be .reg */
 936         }
 937
 938         /* if onlyents, just grab the entites and resave */
 939         if( onlyents )
 940         {
 941                 OnlyEnts();
 942                 return 0;
 943         }
 944
 945         /* load shaders */
 946         LoadShaderInfo();
 947
 948         /* load original file from temp spot in case it was renamed by the editor on the way in */
 949         if( strlen( tempSource ) > 0 )
 950                 LoadMapFile( tempSource, qfalse );
 951         else
 952                 LoadMapFile( name, qfalse );
 953
 954         /* div0: inject command line parameters */
 955         InjectCommandLine(argv, 1, argc - 1);
 956
 957         /* ydnar: decal setup */
 958         ProcessDecals();
 959
 960         /* ydnar: cloned brush model entities */
 961         SetCloneModelNumbers();
 962
 963         /* process world and submodels */
 964         ProcessModels();
 965
 966         /* set light styles from targetted light entities */
 967         SetLightStyles();
 968
 969         /* process in game advertisements */
 970         ProcessAdvertisements();
 971
 972         /* finish and write bsp */
 973         EndBSPFile();
 974
 975         /* remove temp map source file if appropriate */
 976         if( strlen( tempSource ) > 0)
 977                 remove( tempSource );
 978
 979         /* return to sender */
 980         return 0;
 981 }
 982