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 ProcessAdvertisements()
  49 copies advertisement info into the BSP structures
  50 */
  51
  52 static void ProcessAdvertisements( void ) {
  53         int                                     i;
  54         const char*                     className;
  55         const char*                     modelKey;
  56         int                                     modelNum;
  57         bspModel_t*                     adModel;
  58         bspDrawSurface_t*       adSurface;
  59
  60         Sys_FPrintf( SYS_VRB, "--- ProcessAdvertisements ---\n" );
  61
  62         for( i = 0; i < numEntities; i++ ) {
  63
  64                 /* is an advertisement? */
  65                 className = ValueForKey( &entities[ i ], "classname" );
  66
  67                 if( !Q_stricmp( "advertisement", className ) ) {
  68
  69                         modelKey = ValueForKey( &entities[ i ], "model" );
  70
  71                         if( strlen( modelKey ) > MAX_QPATH - 1 ) {
  72                                 Error( "Model Key for entity exceeds ad struct string length." );
  73                         } else {
  74                                 if( numBSPAds < MAX_MAP_ADVERTISEMENTS ) {
  75                                         bspAds[numBSPAds].cellId = IntForKey( &entities[ i ], "cellId" );
  76                                         strncpy( bspAds[numBSPAds].model, modelKey, sizeof( bspAds[numBSPAds].model ) );
  77
  78                                         modelKey++;
  79                                         modelNum = atoi( modelKey );
  80                                         adModel = &bspModels[modelNum];
  81
  82                                         if( adModel->numBSPSurfaces != 1 ) {
  83                                                 Error( "Ad cell id %d has more than one surface.", bspAds[numBSPAds].cellId );
  84                                         }
  85
  86                                         adSurface = &bspDrawSurfaces[adModel->firstBSPSurface];
  87
  88                                         // store the normal for use at run time.. all ad verts are assumed to
  89                                         // have identical normals (because they should be a simple rectangle)
  90                                         // so just use the first vert's normal
  91                                         VectorCopy( bspDrawVerts[adSurface->firstVert].normal, bspAds[numBSPAds].normal );
  92
  93                                         // store the ad quad for quick use at run time
  94                                         if( adSurface->surfaceType == MST_PATCH ) {
  95                                                 int v0 = adSurface->firstVert + adSurface->patchHeight - 1;
  96                                                 int v1 = adSurface->firstVert + adSurface->numVerts - 1;
  97                                                 int v2 = adSurface->firstVert + adSurface->numVerts - adSurface->patchWidth;
  98                                                 int v3 = adSurface->firstVert;
  99                                                 VectorCopy( bspDrawVerts[v0].xyz, bspAds[numBSPAds].rect[0] );
 100                                                 VectorCopy( bspDrawVerts[v1].xyz, bspAds[numBSPAds].rect[1] );
 101                                                 VectorCopy( bspDrawVerts[v2].xyz, bspAds[numBSPAds].rect[2] );
 102                                                 VectorCopy( bspDrawVerts[v3].xyz, bspAds[numBSPAds].rect[3] );
 103                                         } else {
 104                                                 Error( "Ad cell %d has an unsupported Ad Surface type.", bspAds[numBSPAds].cellId );
 105                                         }
 106
 107                                         numBSPAds++;
 108                                 } else {
 109                                         Error( "Maximum number of map advertisements exceeded." );
 110                                 }
 111                         }
 112                 }
 113         }
 114
 115         Sys_FPrintf( SYS_VRB, "%9d in-game advertisements\n", numBSPAds );
 116 }
 117
 118 /*
 119 SetCloneModelNumbers() - ydnar
 120 sets the model numbers for brush entities
 121 */
 122
 123 static void SetCloneModelNumbers( void )
 124 {
 125         int                     i, j;
 126         int                     models;
 127         char            modelValue[ 10 ];
 128         const char      *value, *value2, *value3;
 129
 130
 131         /* start with 1 (worldspawn is model 0) */
 132         models = 1;
 133         for( i = 1; i < numEntities; i++ )
 134         {
 135                 /* only entities with brushes or patches get a model number */
 136                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
 137                         continue;
 138
 139                 /* is this a clone? */
 140                 value = ValueForKey( &entities[ i ], "_ins" );
 141                 if( value[ 0 ] == '\0' )
 142                         value = ValueForKey( &entities[ i ], "_instance" );
 143                 if( value[ 0 ] == '\0' )
 144                         value = ValueForKey( &entities[ i ], "_clone" );
 145                 if( value[ 0 ] != '\0' )
 146                         continue;
 147
 148                 /* add the model key */
 149                 sprintf( modelValue, "*%d", models );
 150                 SetKeyValue( &entities[ i ], "model", modelValue );
 151
 152                 /* increment model count */
 153                 models++;
 154         }
 155
 156         /* fix up clones */
 157         for( i = 1; i < numEntities; i++ )
 158         {
 159                 /* only entities with brushes or patches get a model number */
 160                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
 161                         continue;
 162
 163                 /* is this a clone? */
 164                 value = ValueForKey( &entities[ i ], "_ins" );
 165                 if( value[ 0 ] == '\0' )
 166                         value = ValueForKey( &entities[ i ], "_instance" );
 167                 if( value[ 0 ] == '\0' )
 168                         value = ValueForKey( &entities[ i ], "_clone" );
 169                 if( value[ 0 ] == '\0' )
 170                         continue;
 171
 172                 /* find an entity with matching clone name */
 173                 for( j = 0; j < numEntities; j++ )
 174                 {
 175                         /* is this a clone parent? */
 176                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 177                         if( value2[ 0 ] == '\0' )
 178                                 continue;
 179
 180                         /* do they match? */
 181                         if( strcmp( value, value2 ) == 0 )
 182                         {
 183                                 /* get the model num */
 184                                 value3 = ValueForKey( &entities[ j ], "model" );
 185                                 if( value3[ 0 ] == '\0' )
 186                                 {
 187                                         Sys_Printf( "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 188                                         continue;
 189                                 }
 190                                 models = atoi( &value2[ 1 ] );
 191
 192                                 /* add the model key */
 193                                 sprintf( modelValue, "*%d", models );
 194                                 SetKeyValue( &entities[ i ], "model", modelValue );
 195
 196                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 197                                 entities[ i ].brushes = NULL;
 198                                 entities[ i ].patches = NULL;
 199                         }
 200                 }
 201         }
 202 }
 203
 204
 205
 206 /*
 207 FixBrushSides() - ydnar
 208 matches brushsides back to their appropriate drawsurface and shader
 209 */
 210
 211 static void FixBrushSides( entity_t *e )
 212 {
 213         int                                     i;
 214         mapDrawSurface_t        *ds;
 215         sideRef_t                       *sideRef;
 216         bspBrushSide_t          *side;
 217
 218
 219         /* note it */
 220         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 221
 222         /* walk list of drawsurfaces */
 223         for( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 224         {
 225                 /* get surface and try to early out */
 226                 ds = &mapDrawSurfs[ i ];
 227                 if( ds->outputNum < 0 )
 228                         continue;
 229
 230                 /* walk sideref list */
 231                 for( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 232                 {
 233                         /* get bsp brush side */
 234                         if( sideRef->side == NULL || sideRef->side->outputNum < 0 )
 235                                 continue;
 236                         side = &bspBrushSides[ sideRef->side->outputNum ];
 237
 238                         /* set drawsurface */
 239                         side->surfaceNum = ds->outputNum;
 240                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 241
 242                         /* set shader */
 243                         if( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) )
 244                         {
 245                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 246                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 247                         }
 248                 }
 249         }
 250 }
 251
 252
 253
 254 /*
 255 ProcessWorldModel()
 256 creates a full bsp + surfaces for the worldspawn entity
 257 */
 258
 259 void ProcessWorldModel( void )
 260 {
 261         int                     i, s;
 262         entity_t        *e;
 263         tree_t          *tree;
 264         face_t          *faces;
 265         qboolean        ignoreLeaks, leaked;
 266         xmlNodePtr      polyline, leaknode;
 267         char            level[ 2 ], shader[ 1024 ];
 268         const char      *value;
 269
 270         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 271         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 272         if( value[ 0 ] == '\0' )
 273                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 274         if( value[ 0 ] == '\0' )
 275                 value = ValueForKey( &entities[ 0 ], "chopsize" );      /* sof2 */
 276         if( value[ 0 ] != '\0' )
 277         {
 278                 /* scan 3 numbers */
 279                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 280
 281                 /* handle legacy case */
 282                 if( s == 1 )
 283                 {
 284                         blockSize[ 1 ] = blockSize[ 0 ];
 285                         blockSize[ 2 ] = blockSize[ 0 ];
 286                 }
 287         }
 288         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 289
 290         /* sof2: ignore leaks? */
 291         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 292         if( value[ 0 ] == '\0' )
 293                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 294         if( value[ 0 ] == '1' )
 295                 ignoreLeaks = qtrue;
 296         else
 297                 ignoreLeaks = qfalse;
 298
 299         /* begin worldspawn model */
 300         BeginModel();
 301         e = &entities[ 0 ];
 302         e->firstDrawSurf = 0;
 303
 304         /* ydnar: gs mods */
 305         ClearMetaTriangles();
 306
 307         /* check for patches with adjacent edges that need to lod together */
 308         PatchMapDrawSurfs( e );
 309
 310         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 311         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 312         tree = FaceBSP( faces );
 313         MakeTreePortals( tree );
 314         FilterStructuralBrushesIntoTree( e, tree );
 315
 316         /* see if the bsp is completely enclosed */
 317         if( FloodEntities( tree ) || ignoreLeaks )
 318         {
 319                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 320                 FillOutside( tree->headnode );
 321
 322                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 323                 ClipSidesIntoTree( e, tree );
 324
 325                 /* build a visible face tree */
 326                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 327                 FreeTree( tree );
 328                 tree = FaceBSP( faces );
 329                 MakeTreePortals( tree );
 330                 FilterStructuralBrushesIntoTree( e, tree );
 331                 leaked = qfalse;
 332
 333                 /* ydnar: flood again for skybox */
 334                 if( skyboxPresent )
 335                         FloodEntities( tree );
 336         }
 337         else
 338         {
 339                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 340                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 341                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 342                 polyline = LeakFile( tree );
 343                 leaknode = xmlNewNode( NULL, (xmlChar*)"message" );
 344                 xmlNodeSetContent( leaknode, (xmlChar*)"MAP LEAKED\n" );
 345                 xmlAddChild( leaknode, polyline );
 346                 level[0] = (int) '0' + SYS_ERR;
 347                 level[1] = 0;
 348                 xmlSetProp( leaknode, (xmlChar*)"level", (xmlChar*) &level );
 349                 xml_SendNode( leaknode );
 350                 if( leaktest )
 351                 {
 352                         Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
 353                         exit( 0 );
 354                 }
 355                 leaked = qtrue;
 356
 357                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 358                 ClipSidesIntoTree( e, tree );
 359         }
 360
 361         /* save out information for visibility processing */
 362         NumberClusters( tree );
 363         if( !leaked )
 364                 WritePortalFile( tree );
 365
 366         /* flood from entities */
 367         FloodAreas( tree );
 368
 369         /* create drawsurfs for triangle models */
 370         AddTriangleModels( e );
 371
 372         /* create drawsurfs for surface models */
 373         AddEntitySurfaceModels( e );
 374
 375         /* generate bsp brushes from map brushes */
 376         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 377
 378         /* add references to the detail brushes */
 379         FilterDetailBrushesIntoTree( e, tree );
 380
 381         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 382         if( !nofog )
 383                 FogDrawSurfaces( e );
 384
 385         /* subdivide each drawsurf as required by shader tesselation */
 386         if( !nosubdivide )
 387                 SubdivideFaceSurfaces( e, tree );
 388
 389         /* add in any vertexes required to fix t-junctions */
 390         if( !notjunc )
 391                 FixTJunctions( e );
 392
 393         /* ydnar: classify the surfaces */
 394         ClassifyEntitySurfaces( e );
 395
 396         /* ydnar: project decals */
 397         MakeEntityDecals( e );
 398
 399         /* ydnar: meta surfaces */
 400         MakeEntityMetaTriangles( e );
 401         SmoothMetaTriangles();
 402         FixMetaTJunctions();
 403         MergeMetaTriangles();
 404
 405         /* ydnar: debug portals */
 406         if( debugPortals )
 407                 MakeDebugPortalSurfs( tree );
 408
 409         /* ydnar: fog hull */
 410         value = ValueForKey( &entities[ 0 ], "_foghull" );
 411         if( value[ 0 ] != '\0' )
 412         {
 413                 sprintf( shader, "textures/%s", value );
 414                 MakeFogHullSurfs( e, tree, shader );
 415         }
 416
 417         /* ydnar: bug 645: do flares for lights */
 418         for( i = 0; i < numEntities && emitFlares; i++ )
 419         {
 420                 entity_t        *light, *target;
 421                 const char      *value, *flareShader;
 422                 vec3_t          origin, targetOrigin, normal, color;
 423                 int                     lightStyle;
 424
 425
 426                 /* get light */
 427                 light = &entities[ i ];
 428                 value = ValueForKey( light, "classname" );
 429                 if( !strcmp( value, "light" ) )
 430                 {
 431                         /* get flare shader */
 432                         flareShader = ValueForKey( light, "_flareshader" );
 433                         value = ValueForKey( light, "_flare" );
 434                         if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
 435                         {
 436                                 /* get specifics */
 437                                 GetVectorForKey( light, "origin", origin );
 438                                 GetVectorForKey( light, "_color", color );
 439                                 lightStyle = IntForKey( light, "_style" );
 440                                 if( lightStyle == 0 )
 441                                         lightStyle = IntForKey( light, "style" );
 442
 443                                 /* handle directional spotlights */
 444                                 value = ValueForKey( light, "target" );
 445                                 if( value[ 0 ] != '\0' )
 446                                 {
 447                                         /* get target light */
 448                                         target = FindTargetEntity( value );
 449                                         if( target != NULL )
 450                                         {
 451                                                 GetVectorForKey( target, "origin", targetOrigin );
 452                                                 VectorSubtract( targetOrigin, origin, normal );
 453                                                 VectorNormalize( normal, normal );
 454                                         }
 455                                 }
 456                                 else
 457                                         //%     VectorClear( normal );
 458                                         VectorSet( normal, 0, 0, -1 );
 459
 460                                 if(colorsRGB)
 461                                 {
 462                                         color[0] = Image_LinearFloatFromsRGBFloat(color[0]);
 463                                         color[1] = Image_LinearFloatFromsRGBFloat(color[1]);
 464                                         color[2] = Image_LinearFloatFromsRGBFloat(color[2]);
 465                                 }
 466
 467                                 /* create the flare surface (note shader defaults automatically) */
 468                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, flareShader, lightStyle );
 469                         }
 470                 }
 471         }
 472
 473         /* add references to the final drawsurfs in the apropriate clusters */
 474         FilterDrawsurfsIntoTree( e, tree );
 475
 476         /* match drawsurfaces back to original brushsides (sof2) */
 477         FixBrushSides( e );
 478
 479         /* finish */
 480         EndModel( e, tree->headnode );
 481         FreeTree( tree );
 482 }
 483
 484
 485
 486 /*
 487 ProcessSubModel()
 488 creates bsp + surfaces for other brush models
 489 */
 490
 491 void ProcessSubModel( void )
 492 {
 493         entity_t        *e;
 494         tree_t          *tree;
 495         brush_t         *b, *bc;
 496         node_t          *node;
 497
 498
 499         /* start a brush model */
 500         BeginModel();
 501         e = &entities[ mapEntityNum ];
 502         e->firstDrawSurf = numMapDrawSurfs;
 503
 504         /* ydnar: gs mods */
 505         ClearMetaTriangles();
 506
 507         /* check for patches with adjacent edges that need to lod together */
 508         PatchMapDrawSurfs( e );
 509
 510         /* allocate a tree */
 511         node = AllocNode();
 512         node->planenum = PLANENUM_LEAF;
 513         tree = AllocTree();
 514         tree->headnode = node;
 515
 516         /* add the sides to the tree */
 517         ClipSidesIntoTree( e, tree );
 518
 519         /* ydnar: create drawsurfs for triangle models */
 520         AddTriangleModels( e );
 521
 522         /* create drawsurfs for surface models */
 523         AddEntitySurfaceModels( e );
 524
 525         /* generate bsp brushes from map brushes */
 526         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 527
 528         /* just put all the brushes in headnode */
 529         for( b = e->brushes; b; b = b->next )
 530         {
 531                 bc = CopyBrush( b );
 532                 bc->next = node->brushlist;
 533                 node->brushlist = bc;
 534         }
 535
 536         /* subdivide each drawsurf as required by shader tesselation */
 537         if( !nosubdivide )
 538                 SubdivideFaceSurfaces( e, tree );
 539
 540         /* add in any vertexes required to fix t-junctions */
 541         if( !notjunc )
 542                 FixTJunctions( e );
 543
 544         /* ydnar: classify the surfaces and project lightmaps */
 545         ClassifyEntitySurfaces( e );
 546
 547         /* ydnar: project decals */
 548         MakeEntityDecals( e );
 549
 550         /* ydnar: meta surfaces */
 551         MakeEntityMetaTriangles( e );
 552         SmoothMetaTriangles();
 553         FixMetaTJunctions();
 554         MergeMetaTriangles();
 555
 556         /* add references to the final drawsurfs in the apropriate clusters */
 557         FilterDrawsurfsIntoTree( e, tree );
 558
 559         /* match drawsurfaces back to original brushsides (sof2) */
 560         FixBrushSides( e );
 561
 562         /* finish */
 563         EndModel( e, node );
 564         FreeTree( tree );
 565 }
 566
 567
 568
 569 /*
 570 ProcessModels()
 571 process world + other models into the bsp
 572 */
 573
 574 void ProcessModels( void )
 575 {
 576         qboolean        oldVerbose;
 577         entity_t        *entity;
 578
 579
 580         /* preserve -v setting */
 581         oldVerbose = verbose;
 582
 583         /* start a new bsp */
 584         BeginBSPFile();
 585
 586         /* create map fogs */
 587         CreateMapFogs();
 588
 589         /* walk entity list */
 590         for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 591         {
 592                 /* get entity */
 593                 entity = &entities[ mapEntityNum ];
 594                 if( entity->brushes == NULL && entity->patches == NULL )
 595                         continue;
 596
 597                 /* process the model */
 598                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 599                 if( mapEntityNum == 0 )
 600                         ProcessWorldModel();
 601                 else
 602                         ProcessSubModel();
 603
 604                 /* potentially turn off the deluge of text */
 605                 verbose = verboseEntities;
 606         }
 607
 608         /* restore -v setting */
 609         verbose = oldVerbose;
 610
 611         /* write fogs */
 612         EmitFogs();
 613
 614         /* vortex: emit meta stats */
 615         EmitMetaStats();
 616 }
 617
 618
 619
 620 /*
 621 OnlyEnts()
 622 this is probably broken unless teamed with a radiant version that preserves entity order
 623 */
 624
 625 void OnlyEnts( void )
 626 {
 627         char out[ 1024 ];
 628
 629         char save_cmdline[1024], save_version[1024];
 630         const char *p;
 631
 632         /* note it */
 633         Sys_Printf( "--- OnlyEnts ---\n" );
 634
 635         sprintf( out, "%s.bsp", source );
 636         LoadBSPFile( out );
 637
 638         ParseEntities();
 639         p = ValueForKey(&entities[0], "_q3map2_cmdline");
 640         strncpy(save_cmdline, p, sizeof(save_cmdline));
 641         save_cmdline[sizeof(save_cmdline)-1] = 0;
 642         p = ValueForKey(&entities[0], "_q3map2_version");
 643         strncpy(save_version, p, sizeof(save_version));
 644         save_version[sizeof(save_version)-1] = 0;
 645
 646         numEntities = 0;
 647
 648         LoadShaderInfo();
 649         LoadMapFile( name, qfalse, qfalse );
 650         SetModelNumbers();
 651         SetLightStyles();
 652
 653         if(*save_cmdline)
 654                 SetKeyValue(&entities[0], "_q3map2_cmdline", save_cmdline);
 655         if(*save_version)
 656                 SetKeyValue(&entities[0], "_q3map2_version", save_version);
 657
 658         numBSPEntities = numEntities;
 659         UnparseEntities();
 660
 661         WriteBSPFile( out );
 662 }
 663
 664
 665
 666 /*
 667 BSPMain() - ydnar
 668 handles creation of a bsp from a map file
 669 */
 670
 671 int BSPMain( int argc, char **argv )
 672 {
 673         int                     i;
 674         char            path[ 1024 ], tempSource[ 1024 ];
 675         qboolean        onlyents = qfalse;
 676
 677
 678         /* note it */
 679         Sys_Printf( "--- BSP ---\n" );
 680
 681         SetDrawSurfacesBuffer();
 682         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 683         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 684         numMapDrawSurfs = 0;
 685
 686         tempSource[ 0 ] = '\0';
 687         globalCelShader[0] = 0;
 688
 689         /* set standard game flags */
 690         maxSurfaceVerts = game->maxSurfaceVerts;
 691         maxSurfaceIndexes = game->maxSurfaceIndexes;
 692         emitFlares = game->emitFlares;
 693         texturesRGB = game->texturesRGB;
 694         colorsRGB = game->colorsRGB;
 695
 696         /* process arguments */
 697         for( i = 1; i < (argc - 1); i++ )
 698         {
 699                 if( !strcmp( argv[ i ], "-onlyents" ) )
 700                 {
 701                         Sys_Printf( "Running entity-only compile\n" );
 702                         onlyents = qtrue;
 703                 }
 704                 else if( !strcmp( argv[ i ], "-tempname" ) )
 705                         strcpy( tempSource, argv[ ++i ] );
 706                 else if( !strcmp( argv[ i ], "-tmpout" ) )
 707                         strcpy( outbase, "/tmp" );
 708                 else if( !strcmp( argv[ i ],  "-nowater" ) )
 709                 {
 710                         Sys_Printf( "Disabling water\n" );
 711                         nowater = qtrue;
 712                 }
 713                 else if( !strcmp( argv[ i ], "-keeplights" ))
 714                 {
 715                         keepLights = qtrue;
 716                         Sys_Printf( "Leaving light entities on map after compile\n" );
 717                 }
 718                 else if( !strcmp( argv[ i ],  "-nodetail" ) )
 719                 {
 720                         Sys_Printf( "Ignoring detail brushes\n") ;
 721                         nodetail = qtrue;
 722                 }
 723                 else if( !strcmp( argv[ i ],  "-fulldetail" ) )
 724                 {
 725                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 726                         fulldetail = qtrue;
 727                 }
 728                 else if( !strcmp( argv[ i ],  "-nofog" ) )
 729                 {
 730                         Sys_Printf( "Fog volumes disabled\n" );
 731                         nofog = qtrue;
 732                 }
 733                 else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
 734                 {
 735                         Sys_Printf( "Disabling brush face subdivision\n" );
 736                         nosubdivide = qtrue;
 737                 }
 738                 else if( !strcmp( argv[ i ],  "-leaktest" ) )
 739                 {
 740                         Sys_Printf( "Leaktest enabled\n" );
 741                         leaktest = qtrue;
 742                 }
 743                 else if( !strcmp( argv[ i ],  "-verboseentities" ) )
 744                 {
 745                         Sys_Printf( "Verbose entities enabled\n" );
 746                         verboseEntities = qtrue;
 747                 }
 748                 else if( !strcmp( argv[ i ], "-nocurves" ) )
 749                 {
 750                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 751                         noCurveBrushes = qtrue;
 752                 }
 753                 else if( !strcmp( argv[ i ], "-notjunc" ) )
 754                 {
 755                         Sys_Printf( "T-junction fixing disabled\n" );
 756                         notjunc = qtrue;
 757                 }
 758                 else if( !strcmp( argv[ i ], "-fakemap" ) )
 759                 {
 760                         Sys_Printf( "Generating fakemap.map\n" );
 761                         fakemap = qtrue;
 762                 }
 763                 else if( !strcmp( argv[ i ],  "-samplesize" ) )
 764                 {
 765                         sampleSize = atoi( argv[ i + 1 ] );
 766                         if( sampleSize < 1 )
 767                                 sampleSize = 1;
 768                         i++;
 769                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 770                 }
 771                 else if( !strcmp( argv[ i ], "-minsamplesize" ) )
 772                 {
 773                         minSampleSize = atoi( argv[ i + 1 ] );
 774                         if( minSampleSize < 1 )
 775                                 minSampleSize = 1;
 776                         i++;
 777                         Sys_Printf( "Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize );
 778                 }
 779                 else if( !strcmp( argv[ i ],  "-custinfoparms") )
 780                 {
 781                         Sys_Printf( "Custom info parms enabled\n" );
 782                         useCustomInfoParms = qtrue;
 783                 }
 784
 785                 /* sof2 args */
 786                 else if( !strcmp( argv[ i ], "-rename" ) )
 787                 {
 788                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 789                         renameModelShaders = qtrue;
 790                 }
 791
 792                 /* ydnar args */
 793                 else if( !strcmp( argv[ i ],  "-ne" ) )
 794                 {
 795                         normalEpsilon = atof( argv[ i + 1 ] );
 796                         i++;
 797                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 798                 }
 799                 else if( !strcmp( argv[ i ],  "-de" ) )
 800                 {
 801                         distanceEpsilon = atof( argv[ i + 1 ] );
 802                         i++;
 803                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 804                 }
 805                 else if( !strcmp( argv[ i ],  "-mv" ) )
 806                 {
 807                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 808                         if( maxLMSurfaceVerts < 3 )
 809                                 maxLMSurfaceVerts = 3;
 810                         if( maxLMSurfaceVerts > maxSurfaceVerts )
 811                                 maxSurfaceVerts = maxLMSurfaceVerts;
 812                         i++;
 813                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 814                 }
 815                 else if( !strcmp( argv[ i ],  "-mi" ) )
 816                 {
 817                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 818                         if( maxSurfaceIndexes < 3 )
 819                                 maxSurfaceIndexes = 3;
 820                         i++;
 821                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 822                 }
 823                 else if( !strcmp( argv[ i ], "-np" ) )
 824                 {
 825                         npDegrees = atof( argv[ i + 1 ] );
 826                         if( npDegrees < 0.0f )
 827                                 npDegrees = 0.0f;
 828                         else if( npDegrees > 0.0f )
 829                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 830                         i++;
 831                 }
 832                 else if( !strcmp( argv[ i ],  "-snap" ) )
 833                 {
 834                         bevelSnap = atoi( argv[ i + 1 ]);
 835                         if( bevelSnap < 0 )
 836                                 bevelSnap = 0;
 837                         i++;
 838                         if( bevelSnap > 0 )
 839                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 840                 }
 841                 else if( !strcmp( argv[ i ],  "-texrange" ) )
 842                 {
 843                         texRange = atoi( argv[ i + 1 ]);
 844                         if( texRange < 0 )
 845                                 texRange = 0;
 846                         i++;
 847                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 848                 }
 849                 else if( !strcmp( argv[ i ], "-nohint" ) )
 850                 {
 851                         Sys_Printf( "Hint brushes disabled\n" );
 852                         noHint = qtrue;
 853                 }
 854                 else if( !strcmp( argv[ i ], "-flat" ) )
 855                 {
 856                         Sys_Printf( "Flatshading enabled\n" );
 857                         flat = qtrue;
 858                 }
 859                 else if( !strcmp( argv[ i ], "-celshader" ) )
 860                 {
 861                         ++i;
 862                         if(argv[i][0])
 863                                 sprintf( globalCelShader, "textures/%s", argv[ i ] );
 864                         else
 865                                 *globalCelShader = 0;
 866                         Sys_Printf( "Global cel shader set to \"%s\"\n", globalCelShader );
 867                 }
 868                 else if( !strcmp( argv[ i ], "-meta" ) )
 869                 {
 870                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 871                         meta = qtrue;
 872                 }
 873                 else if( !strcmp( argv[ i ], "-metaadequatescore" ) )
 874                 {
 875                         metaAdequateScore = atoi( argv[ i + 1 ]);
 876                         if( metaAdequateScore < 0 )
 877                                 metaAdequateScore = -1;
 878                         i++;
 879                         if( metaAdequateScore >= 0 )
 880                                 Sys_Printf( "Setting ADEQUATE meta score to %d (see surface_meta.c)\n", metaAdequateScore );
 881                 }
 882                 else if( !strcmp( argv[ i ], "-metagoodscore" ) )
 883                 {
 884                         metaGoodScore = atoi( argv[ i + 1 ]);
 885                         if( metaGoodScore < 0 )
 886                                 metaGoodScore = -1;
 887                         i++;
 888                         if( metaGoodScore >= 0 )
 889                                 Sys_Printf( "Setting GOOD meta score to %d (see surface_meta.c)\n", metaGoodScore );
 890                 }
 891                 else if( !strcmp( argv[ i ], "-metamaxbboxdistance" ) )
 892                 {
 893                         metaMaxBBoxDistance = atof( argv[ i + 1 ]);
 894                         if( metaMaxBBoxDistance < 0 )
 895                                 metaMaxBBoxDistance = -1;
 896                         i++;
 897                         if( metaMaxBBoxDistance >= 0 )
 898                                 Sys_Printf( "Setting meta maximum bounding box distance to %f\n", metaMaxBBoxDistance );
 899                 }
 900                 else if( !strcmp( argv[ i ], "-patchmeta" ) )
 901                 {
 902                         Sys_Printf( "Creating meta surfaces from patches\n" );
 903                         patchMeta = qtrue;
 904                 }
 905                 else if( !strcmp( argv[ i ], "-flares" ) )
 906                 {
 907                         Sys_Printf( "Flare surfaces enabled\n" );
 908                         emitFlares = qtrue;
 909                 }
 910                 else if( !strcmp( argv[ i ], "-noflares" ) )
 911                 {
 912                         Sys_Printf( "Flare surfaces disabled\n" );
 913                         emitFlares = qfalse;
 914                 }
 915                 else if( !strcmp( argv[ i ], "-skyfix" ) )
 916                 {
 917                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 918                         skyFixHack = qtrue;
 919                 }
 920                 else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
 921                 {
 922                         Sys_Printf( "emitting debug surfaces\n" );
 923                         debugSurfaces = qtrue;
 924                 }
 925                 else if( !strcmp( argv[ i ], "-debuginset" ) )
 926                 {
 927                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 928                         debugInset = qtrue;
 929                 }
 930                 else if( !strcmp( argv[ i ], "-debugportals" ) )
 931                 {
 932                         Sys_Printf( "Debug portal surfaces enabled\n" );
 933                         debugPortals = qtrue;
 934                 }
 935                 else if( !strcmp( argv[ i ], "-sRGBtex" ) )
 936                 {
 937                         texturesRGB = qtrue;
 938                         Sys_Printf( "Textures are in sRGB\n" );
 939                 }
 940                 else if( !strcmp( argv[ i ], "-nosRGBtex" ) )
 941                 {
 942                         texturesRGB = qfalse;
 943                         Sys_Printf( "Textures are linear\n" );
 944                 }
 945                 else if( !strcmp( argv[ i ], "-sRGBcolor" ) )
 946                 {
 947                         colorsRGB = qtrue;
 948                         Sys_Printf( "Colors are in sRGB\n" );
 949                 }
 950                 else if( !strcmp( argv[ i ], "-nosRGBcolor" ) )
 951                 {
 952                         colorsRGB = qfalse;
 953                         Sys_Printf( "Colors are linear\n" );
 954                 }
 955                 else if( !strcmp( argv[ i ], "-nosRGB" ) )
 956                 {
 957                         texturesRGB = qfalse;
 958                         Sys_Printf( "Textures are linear\n" );
 959                         colorsRGB = qfalse;
 960                         Sys_Printf( "Colors are linear\n" );
 961                 }
 962                 else if( !strcmp( argv[ i ], "-altsplit" ) )
 963                 {
 964                         Sys_Printf( "Alternate BSP splitting (by 27) enabled\n" );
 965                         bspAlternateSplitWeights = qtrue;
 966                 }
 967                 else if( !strcmp( argv[ i ], "-deep" ) )
 968                 {
 969                         Sys_Printf( "Deep BSP tree generation enabled\n" );
 970                         deepBSP = qtrue;
 971                 }
 972                 else if( !strcmp( argv[ i ], "-maxarea" ) )
 973                 {
 974                         Sys_Printf( "Max Area face surface generation enabled\n" );
 975                         maxAreaFaceSurface = qtrue;
 976                 }
 977                 else if( !strcmp( argv[ i ], "-bsp" ) )
 978                         Sys_Printf( "-bsp argument unnecessary\n" );
 979                 else
 980                 {
 981                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 982                 }
 983         }
 984
 985         /* fixme: print more useful usage here */
 986         if( i != (argc - 1) )
 987                 Error( "usage: q3map [options] mapfile" );
 988
 989         /* copy source name */
 990         strcpy( source, ExpandArg( argv[ i ] ) );
 991         StripExtension( source );
 992
 993         /* ydnar: set default sample size */
 994         SetDefaultSampleSize( sampleSize );
 995
 996         /* delete portal, line and surface files */
 997         sprintf( path, "%s.prt", source );
 998         remove( path );
 999         sprintf( path, "%s.lin", source );
1000         remove( path );
1001         //%     sprintf( path, "%s.srf", source );      /* ydnar */
1002         //%     remove( path );
1003
1004         /* expand mapname */
1005         strcpy( name, ExpandArg( argv[ i ] ) );
1006         if( strcmp( name + strlen( name ) - 4, ".reg" ) )
1007         {
1008                 /* if we are doing a full map, delete the last saved region map */
1009                 sprintf( path, "%s.reg", source );
1010                 remove( path );
1011                 DefaultExtension( name, ".map" );       /* might be .reg */
1012         }
1013
1014         /* if onlyents, just grab the entites and resave */
1015         if( onlyents )
1016         {
1017                 OnlyEnts();
1018                 return 0;
1019         }
1020
1021         /* load shaders */
1022         LoadShaderInfo();
1023
1024         /* load original file from temp spot in case it was renamed by the editor on the way in */
1025         if( strlen( tempSource ) > 0 )
1026                 LoadMapFile( tempSource, qfalse, qfalse );
1027         else
1028                 LoadMapFile( name, qfalse, qfalse );
1029
1030         /* div0: inject command line parameters */
1031         InjectCommandLine(argv, 1, argc - 1);
1032
1033         /* ydnar: decal setup */
1034         ProcessDecals();
1035
1036         /* ydnar: cloned brush model entities */
1037         SetCloneModelNumbers();
1038
1039         /* process world and submodels */
1040         ProcessModels();
1041
1042         /* set light styles from targetted light entities */
1043         SetLightStyles();
1044
1045         /* process in game advertisements */
1046         ProcessAdvertisements();
1047
1048         /* finish and write bsp */
1049         EndBSPFile(qtrue);
1050
1051         /* remove temp map source file if appropriate */
1052         if( strlen( tempSource ) > 0)
1053                 remove( tempSource );
1054
1055         /* return to sender */
1056         return 0;
1057 }
1058