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
 268         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 269         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 270         if( value[ 0 ] == '\0' )
 271                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 272         if( value[ 0 ] == '\0' )
 273                 value = ValueForKey( &entities[ 0 ], "chopsize" );      /* sof2 */
 274         if( value[ 0 ] != '\0' )
 275         {
 276                 /* scan 3 numbers */
 277                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 278
 279                 /* handle legacy case */
 280                 if( s == 1 )
 281                 {
 282                         blockSize[ 1 ] = blockSize[ 0 ];
 283                         blockSize[ 2 ] = blockSize[ 0 ];
 284                 }
 285         }
 286         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 287
 288         /* sof2: ignore leaks? */
 289         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 290         if( value[ 0 ] == '\0' )
 291                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 292         if( value[ 0 ] == '1' )
 293                 ignoreLeaks = qtrue;
 294         else
 295                 ignoreLeaks = qfalse;
 296
 297         /* begin worldspawn model */
 298         BeginModel();
 299         e = &entities[ 0 ];
 300         e->firstDrawSurf = 0;
 301
 302         /* ydnar: gs mods */
 303         ClearMetaTriangles();
 304
 305         /* check for patches with adjacent edges that need to lod together */
 306         PatchMapDrawSurfs( e );
 307
 308         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 309         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 310         tree = FaceBSP( faces );
 311         MakeTreePortals( tree );
 312         FilterStructuralBrushesIntoTree( e, tree );
 313
 314         /* see if the bsp is completely enclosed */
 315         if( FloodEntities( tree ) || ignoreLeaks )
 316         {
 317                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 318                 FillOutside( tree->headnode );
 319
 320                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 321                 ClipSidesIntoTree( e, tree );
 322
 323                 /* build a visible face tree */
 324                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 325                 FreeTree( tree );
 326                 tree = FaceBSP( faces );
 327                 MakeTreePortals( tree );
 328                 FilterStructuralBrushesIntoTree( e, tree );
 329                 leaked = qfalse;
 330
 331                 /* ydnar: flood again for skybox */
 332                 if( skyboxPresent )
 333                         FloodEntities( tree );
 334         }
 335         else
 336         {
 337                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 338                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 339                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 340                 polyline = LeakFile( tree );
 341                 leaknode = xmlNewNode( NULL, "message" );
 342                 xmlNodeSetContent( leaknode, "MAP LEAKED\n" );
 343                 xmlAddChild( leaknode, polyline );
 344                 level[0] = (int) '0' + SYS_ERR;
 345                 level[1] = 0;
 346                 xmlSetProp( leaknode, "level", (char*) &level );
 347                 xml_SendNode( leaknode );
 348                 if( leaktest )
 349                 {
 350                         Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
 351                         exit( 0 );
 352                 }
 353                 leaked = qtrue;
 354
 355                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 356                 ClipSidesIntoTree( e, tree );
 357         }
 358
 359         /* save out information for visibility processing */
 360         NumberClusters( tree );
 361         if( !leaked )
 362                 WritePortalFile( tree );
 363
 364         /* flood from entities */
 365         FloodAreas( tree );
 366
 367         /* create drawsurfs for triangle models */
 368         AddTriangleModels( e );
 369
 370         /* create drawsurfs for surface models */
 371         AddEntitySurfaceModels( e );
 372
 373         /* generate bsp brushes from map brushes */
 374         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 375
 376         /* add references to the detail brushes */
 377         FilterDetailBrushesIntoTree( e, tree );
 378
 379         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 380         if( !nofog )
 381                 FogDrawSurfaces( e );
 382
 383         /* subdivide each drawsurf as required by shader tesselation */
 384         if( !nosubdivide )
 385                 SubdivideFaceSurfaces( e, tree );
 386
 387         /* add in any vertexes required to fix t-junctions */
 388         if( !notjunc )
 389                 FixTJunctions( e );
 390
 391         /* ydnar: classify the surfaces */
 392         ClassifyEntitySurfaces( e );
 393
 394         /* ydnar: project decals */
 395         MakeEntityDecals( e );
 396
 397         /* ydnar: meta surfaces */
 398         MakeEntityMetaTriangles( e );
 399         SmoothMetaTriangles();
 400         FixMetaTJunctions();
 401         MergeMetaTriangles();
 402
 403         /* ydnar: debug portals */
 404         if( debugPortals )
 405                 MakeDebugPortalSurfs( tree );
 406
 407         /* ydnar: fog hull */
 408         value = ValueForKey( &entities[ 0 ], "_foghull" );
 409         if( value[ 0 ] != '\0' )
 410         {
 411                 sprintf( shader, "textures/%s", value );
 412                 MakeFogHullSurfs( e, tree, shader );
 413         }
 414
 415         /* ydnar: bug 645: do flares for lights */
 416         for( i = 0; i < numEntities && emitFlares; i++ )
 417         {
 418                 entity_t        *light, *target;
 419                 const char      *value, *flareShader;
 420                 vec3_t          origin, targetOrigin, normal, color;
 421                 int                     lightStyle;
 422
 423
 424                 /* get light */
 425                 light = &entities[ i ];
 426                 value = ValueForKey( light, "classname" );
 427                 if( !strcmp( value, "light" ) )
 428                 {
 429                         /* get flare shader */
 430                         flareShader = ValueForKey( light, "_flareshader" );
 431                         value = ValueForKey( light, "_flare" );
 432                         if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
 433                         {
 434                                 /* get specifics */
 435                                 GetVectorForKey( light, "origin", origin );
 436                                 GetVectorForKey( light, "_color", color );
 437                                 lightStyle = IntForKey( light, "_style" );
 438                                 if( lightStyle == 0 )
 439                                         lightStyle = IntForKey( light, "style" );
 440
 441                                 /* handle directional spotlights */
 442                                 value = ValueForKey( light, "target" );
 443                                 if( value[ 0 ] != '\0' )
 444                                 {
 445                                         /* get target light */
 446                                         target = FindTargetEntity( value );
 447                                         if( target != NULL )
 448                                         {
 449                                                 GetVectorForKey( target, "origin", targetOrigin );
 450                                                 VectorSubtract( targetOrigin, origin, normal );
 451                                                 VectorNormalize( normal, normal );
 452                                         }
 453                                 }
 454                                 else
 455                                         //%     VectorClear( normal );
 456                                         VectorSet( normal, 0, 0, -1 );
 457
 458                                 /* create the flare surface (note shader defaults automatically) */
 459                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, (char*) flareShader, lightStyle );
 460                         }
 461                 }
 462         }
 463
 464         /* add references to the final drawsurfs in the apropriate clusters */
 465         FilterDrawsurfsIntoTree( e, tree );
 466
 467         /* match drawsurfaces back to original brushsides (sof2) */
 468         FixBrushSides( e );
 469
 470         /* finish */
 471         EndModel( e, tree->headnode );
 472         FreeTree( tree );
 473 }
 474
 475
 476
 477 /*
 478 ProcessSubModel()
 479 creates bsp + surfaces for other brush models
 480 */
 481
 482 void ProcessSubModel( void )
 483 {
 484         entity_t        *e;
 485         tree_t          *tree;
 486         brush_t         *b, *bc;
 487         node_t          *node;
 488
 489
 490         /* start a brush model */
 491         BeginModel();
 492         e = &entities[ mapEntityNum ];
 493         e->firstDrawSurf = numMapDrawSurfs;
 494
 495         /* ydnar: gs mods */
 496         ClearMetaTriangles();
 497
 498         /* check for patches with adjacent edges that need to lod together */
 499         PatchMapDrawSurfs( e );
 500
 501         /* allocate a tree */
 502         node = AllocNode();
 503         node->planenum = PLANENUM_LEAF;
 504         tree = AllocTree();
 505         tree->headnode = node;
 506
 507         /* add the sides to the tree */
 508         ClipSidesIntoTree( e, tree );
 509
 510         /* ydnar: create drawsurfs for triangle models */
 511         AddTriangleModels( e );
 512
 513         /* create drawsurfs for surface models */
 514         AddEntitySurfaceModels( e );
 515
 516         /* generate bsp brushes from map brushes */
 517         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 518
 519         /* just put all the brushes in headnode */
 520         for( b = e->brushes; b; b = b->next )
 521         {
 522                 bc = CopyBrush( b );
 523                 bc->next = node->brushlist;
 524                 node->brushlist = bc;
 525         }
 526
 527         /* subdivide each drawsurf as required by shader tesselation */
 528         if( !nosubdivide )
 529                 SubdivideFaceSurfaces( e, tree );
 530
 531         /* add in any vertexes required to fix t-junctions */
 532         if( !notjunc )
 533                 FixTJunctions( e );
 534
 535         /* ydnar: classify the surfaces and project lightmaps */
 536         ClassifyEntitySurfaces( e );
 537
 538         /* ydnar: project decals */
 539         MakeEntityDecals( e );
 540
 541         /* ydnar: meta surfaces */
 542         MakeEntityMetaTriangles( e );
 543         SmoothMetaTriangles();
 544         FixMetaTJunctions();
 545         MergeMetaTriangles();
 546
 547         /* add references to the final drawsurfs in the apropriate clusters */
 548         FilterDrawsurfsIntoTree( e, tree );
 549
 550         /* match drawsurfaces back to original brushsides (sof2) */
 551         FixBrushSides( e );
 552
 553         /* finish */
 554         EndModel( e, node );
 555         FreeTree( tree );
 556 }
 557
 558
 559
 560 /*
 561 ProcessModels()
 562 process world + other models into the bsp
 563 */
 564
 565 void ProcessModels( void )
 566 {
 567         qboolean        oldVerbose;
 568         entity_t        *entity;
 569
 570
 571         /* preserve -v setting */
 572         oldVerbose = verbose;
 573
 574         /* start a new bsp */
 575         BeginBSPFile();
 576
 577         /* create map fogs */
 578         CreateMapFogs();
 579
 580         /* walk entity list */
 581         for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 582         {
 583                 /* get entity */
 584                 entity = &entities[ mapEntityNum ];
 585                 if( entity->brushes == NULL && entity->patches == NULL )
 586                         continue;
 587
 588                 /* process the model */
 589                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 590                 if( mapEntityNum == 0 )
 591                         ProcessWorldModel();
 592                 else
 593                         ProcessSubModel();
 594
 595                 /* potentially turn off the deluge of text */
 596                 verbose = verboseEntities;
 597         }
 598
 599         /* restore -v setting */
 600         verbose = oldVerbose;
 601
 602         /* write fogs */
 603         EmitFogs();
 604 }
 605
 606
 607
 608 /*
 609 OnlyEnts()
 610 this is probably broken unless teamed with a radiant version that preserves entity order
 611 */
 612
 613 void OnlyEnts( void )
 614 {
 615         char out[ 1024 ];
 616
 617         char save_cmdline[1024], save_version[1024];
 618         const char *p;
 619
 620         /* note it */
 621         Sys_Printf( "--- OnlyEnts ---\n" );
 622
 623         sprintf( out, "%s.bsp", source );
 624         LoadBSPFile( out );
 625
 626         ParseEntities();
 627         p = ValueForKey(&entities[0], "_q3map2_cmdline");
 628         strncpy(save_cmdline, p, sizeof(save_cmdline));
 629         save_cmdline[sizeof(save_cmdline)-1] = 0;
 630         p = ValueForKey(&entities[0], "_q3map2_version");
 631         strncpy(save_version, p, sizeof(save_version));
 632         save_version[sizeof(save_version)-1] = 0;
 633
 634         numEntities = 0;
 635
 636         LoadShaderInfo();
 637         LoadMapFile( name, qfalse );
 638         SetModelNumbers();
 639         SetLightStyles();
 640
 641         if(*save_cmdline)
 642                 SetKeyValue(&entities[0], "_q3map2_cmdline", save_cmdline);
 643         if(*save_version)
 644                 SetKeyValue(&entities[0], "_q3map2_version", save_version);
 645
 646         numBSPEntities = numEntities;
 647         UnparseEntities();
 648
 649         WriteBSPFile( out );
 650 }
 651
 652
 653
 654 /*
 655 BSPMain() - ydnar
 656 handles creation of a bsp from a map file
 657 */
 658
 659 int BSPMain( int argc, char **argv )
 660 {
 661         int                     i;
 662         char            path[ 1024 ], tempSource[ 1024 ];
 663         qboolean        onlyents = qfalse;
 664
 665
 666         /* note it */
 667         Sys_Printf( "--- BSP ---\n" );
 668
 669         SetDrawSurfacesBuffer();
 670         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 671         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 672         numMapDrawSurfs = 0;
 673
 674         tempSource[ 0 ] = '\0';
 675         globalCelShader[0] = 0;
 676
 677         /* set standard game flags */
 678         maxSurfaceVerts = game->maxSurfaceVerts;
 679         maxSurfaceIndexes = game->maxSurfaceIndexes;
 680         emitFlares = game->emitFlares;
 681
 682         /* process arguments */
 683         for( i = 1; i < (argc - 1); i++ )
 684         {
 685                 if( !strcmp( argv[ i ], "-onlyents" ) )
 686                 {
 687                         Sys_Printf( "Running entity-only compile\n" );
 688                         onlyents = qtrue;
 689                 }
 690                 else if( !strcmp( argv[ i ], "-tempname" ) )
 691                         strcpy( tempSource, argv[ ++i ] );
 692                 else if( !strcmp( argv[ i ], "-tmpout" ) )
 693                         strcpy( outbase, "/tmp" );
 694                 else if( !strcmp( argv[ i ],  "-nowater" ) )
 695                 {
 696                         Sys_Printf( "Disabling water\n" );
 697                         nowater = qtrue;
 698                 }
 699                 else if( !strcmp( argv[ i ],  "-nodetail" ) )
 700                 {
 701                         Sys_Printf( "Ignoring detail brushes\n") ;
 702                         nodetail = qtrue;
 703                 }
 704                 else if( !strcmp( argv[ i ],  "-fulldetail" ) )
 705                 {
 706                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 707                         fulldetail = qtrue;
 708                 }
 709                 else if( !strcmp( argv[ i ],  "-nofog" ) )
 710                 {
 711                         Sys_Printf( "Fog volumes disabled\n" );
 712                         nofog = qtrue;
 713                 }
 714                 else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
 715                 {
 716                         Sys_Printf( "Disabling brush face subdivision\n" );
 717                         nosubdivide = qtrue;
 718                 }
 719                 else if( !strcmp( argv[ i ],  "-leaktest" ) )
 720                 {
 721                         Sys_Printf( "Leaktest enabled\n" );
 722                         leaktest = qtrue;
 723                 }
 724                 else if( !strcmp( argv[ i ],  "-verboseentities" ) )
 725                 {
 726                         Sys_Printf( "Verbose entities enabled\n" );
 727                         verboseEntities = qtrue;
 728                 }
 729                 else if( !strcmp( argv[ i ], "-nocurves" ) )
 730                 {
 731                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 732                         noCurveBrushes = qtrue;
 733                 }
 734                 else if( !strcmp( argv[ i ], "-notjunc" ) )
 735                 {
 736                         Sys_Printf( "T-junction fixing disabled\n" );
 737                         notjunc = qtrue;
 738                 }
 739                 else if( !strcmp( argv[ i ], "-fakemap" ) )
 740                 {
 741                         Sys_Printf( "Generating fakemap.map\n" );
 742                         fakemap = qtrue;
 743                 }
 744                 else if( !strcmp( argv[ i ],  "-samplesize" ) )
 745                 {
 746                         sampleSize = atoi( argv[ i + 1 ] );
 747                         if( sampleSize < 1 )
 748                                 sampleSize = 1;
 749                         i++;
 750                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 751                 }
 752                 else if( !strcmp( argv[ i ], "-minsamplesize" ) )
 753                 {
 754                         minSampleSize = atoi( argv[ i + 1 ] );
 755                         if( minSampleSize < 1 )
 756                                 minSampleSize = 1;
 757                         i++;
 758                         Sys_Printf( "Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize );
 759                 }
 760                 else if( !strcmp( argv[ i ],  "-custinfoparms") )
 761                 {
 762                         Sys_Printf( "Custom info parms enabled\n" );
 763                         useCustomInfoParms = qtrue;
 764                 }
 765
 766                 /* sof2 args */
 767                 else if( !strcmp( argv[ i ], "-rename" ) )
 768                 {
 769                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 770                         renameModelShaders = qtrue;
 771                 }
 772
 773                 /* ydnar args */
 774                 else if( !strcmp( argv[ i ],  "-ne" ) )
 775                 {
 776                         normalEpsilon = atof( argv[ i + 1 ] );
 777                         i++;
 778                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 779                 }
 780                 else if( !strcmp( argv[ i ],  "-de" ) )
 781                 {
 782                         distanceEpsilon = atof( argv[ i + 1 ] );
 783                         i++;
 784                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 785                 }
 786                 else if( !strcmp( argv[ i ],  "-mv" ) )
 787                 {
 788                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 789                         if( maxLMSurfaceVerts < 3 )
 790                                 maxLMSurfaceVerts = 3;
 791                         if( maxLMSurfaceVerts > maxSurfaceVerts )
 792                                 maxSurfaceVerts = maxLMSurfaceVerts;
 793                         i++;
 794                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 795                 }
 796                 else if( !strcmp( argv[ i ],  "-mi" ) )
 797                 {
 798                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 799                         if( maxSurfaceIndexes < 3 )
 800                                 maxSurfaceIndexes = 3;
 801                         i++;
 802                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 803                 }
 804                 else if( !strcmp( argv[ i ], "-np" ) )
 805                 {
 806                         npDegrees = atof( argv[ i + 1 ] );
 807                         if( npDegrees < 0.0f )
 808                                 shadeAngleDegrees = 0.0f;
 809                         else if( npDegrees > 0.0f )
 810                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 811                         i++;
 812                 }
 813                 else if( !strcmp( argv[ i ],  "-snap" ) )
 814                 {
 815                         bevelSnap = atoi( argv[ i + 1 ]);
 816                         if( bevelSnap < 0 )
 817                                 bevelSnap = 0;
 818                         i++;
 819                         if( bevelSnap > 0 )
 820                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 821                 }
 822                 else if( !strcmp( argv[ i ],  "-texrange" ) )
 823                 {
 824                         texRange = atoi( argv[ i + 1 ]);
 825                         if( texRange < 0 )
 826                                 texRange = 0;
 827                         i++;
 828                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 829                 }
 830                 else if( !strcmp( argv[ i ], "-nohint" ) )
 831                 {
 832                         Sys_Printf( "Hint brushes disabled\n" );
 833                         noHint = qtrue;
 834                 }
 835                 else if( !strcmp( argv[ i ], "-flat" ) )
 836                 {
 837                         Sys_Printf( "Flatshading enabled\n" );
 838                         flat = qtrue;
 839                 }
 840                 else if( !strcmp( argv[ i ], "-celshader" ) )
 841                 {
 842                         ++i;
 843                         if(argv[i][0])
 844                                 sprintf( globalCelShader, "textures/%s", argv[ i ] );
 845                         else
 846                                 *globalCelShader = 0;
 847                         Sys_Printf( "Global cel shader set to \"%s\"\n", globalCelShader );
 848                 }
 849                 else if( !strcmp( argv[ i ], "-meta" ) )
 850                 {
 851                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 852                         meta = qtrue;
 853                 }
 854                 else if( !strcmp( argv[ i ], "-patchmeta" ) )
 855                 {
 856                         Sys_Printf( "Creating meta surfaces from patches\n" );
 857                         patchMeta = qtrue;
 858                 }
 859                 else if( !strcmp( argv[ i ], "-flares" ) )
 860                 {
 861                         Sys_Printf( "Flare surfaces enabled\n" );
 862                         emitFlares = qtrue;
 863                 }
 864                 else if( !strcmp( argv[ i ], "-noflares" ) )
 865                 {
 866                         Sys_Printf( "Flare surfaces disabled\n" );
 867                         emitFlares = qfalse;
 868                 }
 869                 else if( !strcmp( argv[ i ], "-skyfix" ) )
 870                 {
 871                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 872                         skyFixHack = qtrue;
 873                 }
 874                 else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
 875                 {
 876                         Sys_Printf( "emitting debug surfaces\n" );
 877                         debugSurfaces = qtrue;
 878                 }
 879                 else if( !strcmp( argv[ i ], "-debuginset" ) )
 880                 {
 881                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 882                         debugInset = qtrue;
 883                 }
 884                 else if( !strcmp( argv[ i ], "-debugportals" ) )
 885                 {
 886                         Sys_Printf( "Debug portal surfaces enabled\n" );
 887                         debugPortals = qtrue;
 888                 }
 889                 else if( !strcmp( argv[ i ], "-bsp" ) )
 890                         Sys_Printf( "-bsp argument unnecessary\n" );
 891                 else
 892                 {
 893                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 894                 }
 895         }
 896
 897         /* fixme: print more useful usage here */
 898         if( i != (argc - 1) )
 899                 Error( "usage: q3map [options] mapfile" );
 900
 901         /* copy source name */
 902         strcpy( source, ExpandArg( argv[ i ] ) );
 903         StripExtension( source );
 904
 905         /* ydnar: set default sample size */
 906         SetDefaultSampleSize( sampleSize );
 907
 908         /* delete portal, line and surface files */
 909         sprintf( path, "%s.prt", source );
 910         remove( path );
 911         sprintf( path, "%s.lin", source );
 912         remove( path );
 913         //%     sprintf( path, "%s.srf", source );      /* ydnar */
 914         //%     remove( path );
 915
 916         /* expand mapname */
 917         strcpy( name, ExpandArg( argv[ i ] ) );
 918         if( strcmp( name + strlen( name ) - 4, ".reg" ) )
 919         {
 920                 /* if we are doing a full map, delete the last saved region map */
 921                 sprintf( path, "%s.reg", source );
 922                 remove( path );
 923                 DefaultExtension( name, ".map" );       /* might be .reg */
 924         }
 925
 926         /* if onlyents, just grab the entites and resave */
 927         if( onlyents )
 928         {
 929                 OnlyEnts();
 930                 return 0;
 931         }
 932
 933         /* load shaders */
 934         LoadShaderInfo();
 935
 936         /* load original file from temp spot in case it was renamed by the editor on the way in */
 937         if( strlen( tempSource ) > 0 )
 938                 LoadMapFile( tempSource, qfalse );
 939         else
 940                 LoadMapFile( name, qfalse );
 941
 942         /* div0: inject command line parameters */
 943         InjectCommandLine(argv, 1, argc - 1);
 944
 945         /* ydnar: decal setup */
 946         ProcessDecals();
 947
 948         /* ydnar: cloned brush model entities */
 949         SetCloneModelNumbers();
 950
 951         /* process world and submodels */
 952         ProcessModels();
 953
 954         /* set light styles from targetted light entities */
 955         SetLightStyles();
 956
 957         /* process in game advertisements */
 958         ProcessAdvertisements();
 959
 960         /* finish and write bsp */
 961         EndBSPFile();
 962
 963         /* remove temp map source file if appropriate */
 964         if( strlen( tempSource ) > 0)
 965                 remove( tempSource );
 966
 967         /* return to sender */
 968         return 0;
 969 }
 970