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                         }
  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                                         }
 105                                         else {
 106                                                 Error( "Ad cell %d has an unsupported Ad Surface type.", bspAds[numBSPAds].cellId );
 107                                         }
 108
 109                                         numBSPAds++;
 110                                 }
 111                                 else {
 112                                         Error( "Maximum number of map advertisements exceeded." );
 113                                 }
 114                         }
 115                 }
 116         }
 117
 118         Sys_FPrintf( SYS_VRB, "%9d in-game advertisements\n", numBSPAds );
 119 }
 120
 121 /*
 122    SetCloneModelNumbers() - ydnar
 123    sets the model numbers for brush entities
 124  */
 125
 126 static void SetCloneModelNumbers( void ){
 127         int i, j;
 128         int models;
 129         char modelValue[ 10 ];
 130         const char  *value, *value2, *value3;
 131
 132
 133         /* start with 1 (worldspawn is model 0) */
 134         models = 1;
 135         for ( i = 1; i < numEntities; i++ )
 136         {
 137                 /* only entities with brushes or patches get a model number */
 138                 if ( entities[ i ].brushes == NULL && entities[ i ].patches == NULL ) {
 139                         continue;
 140                 }
 141
 142                 /* is this a clone? */
 143                 value = ValueForKey( &entities[ i ], "_ins" );
 144                 if ( value[ 0 ] == '\0' ) {
 145                         value = ValueForKey( &entities[ i ], "_instance" );
 146                 }
 147                 if ( value[ 0 ] == '\0' ) {
 148                         value = ValueForKey( &entities[ i ], "_clone" );
 149                 }
 150                 if ( value[ 0 ] != '\0' ) {
 151                         continue;
 152                 }
 153
 154                 /* add the model key */
 155                 sprintf( modelValue, "*%d", models );
 156                 SetKeyValue( &entities[ i ], "model", modelValue );
 157
 158                 /* increment model count */
 159                 models++;
 160         }
 161
 162         /* fix up clones */
 163         for ( i = 1; i < numEntities; i++ )
 164         {
 165                 /* only entities with brushes or patches get a model number */
 166                 if ( entities[ i ].brushes == NULL && entities[ i ].patches == NULL ) {
 167                         continue;
 168                 }
 169
 170                 /* is this a clone? */
 171                 value = ValueForKey( &entities[ i ], "_ins" );
 172                 if ( value[ 0 ] == '\0' ) {
 173                         value = ValueForKey( &entities[ i ], "_instance" );
 174                 }
 175                 if ( value[ 0 ] == '\0' ) {
 176                         value = ValueForKey( &entities[ i ], "_clone" );
 177                 }
 178                 if ( value[ 0 ] == '\0' ) {
 179                         continue;
 180                 }
 181
 182                 /* find an entity with matching clone name */
 183                 for ( j = 0; j < numEntities; j++ )
 184                 {
 185                         /* is this a clone parent? */
 186                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 187                         if ( value2[ 0 ] == '\0' ) {
 188                                 continue;
 189                         }
 190
 191                         /* do they match? */
 192                         if ( strcmp( value, value2 ) == 0 ) {
 193                                 /* get the model num */
 194                                 value3 = ValueForKey( &entities[ j ], "model" );
 195                                 if ( value3[ 0 ] == '\0' ) {
 196                                         Sys_Printf( "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 197                                         continue;
 198                                 }
 199                                 models = atoi( &value2[ 1 ] );
 200
 201                                 /* add the model key */
 202                                 sprintf( modelValue, "*%d", models );
 203                                 SetKeyValue( &entities[ i ], "model", modelValue );
 204
 205                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 206                                 entities[ i ].brushes = NULL;
 207                                 entities[ i ].patches = NULL;
 208                         }
 209                 }
 210         }
 211 }
 212
 213
 214
 215 /*
 216    FixBrushSides() - ydnar
 217    matches brushsides back to their appropriate drawsurface and shader
 218  */
 219
 220 static void FixBrushSides( entity_t *e ){
 221         int i;
 222         mapDrawSurface_t    *ds;
 223         sideRef_t           *sideRef;
 224         bspBrushSide_t      *side;
 225
 226
 227         /* note it */
 228         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 229
 230         /* walk list of drawsurfaces */
 231         for ( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 232         {
 233                 /* get surface and try to early out */
 234                 ds = &mapDrawSurfs[ i ];
 235                 if ( ds->outputNum < 0 ) {
 236                         continue;
 237                 }
 238
 239                 /* walk sideref list */
 240                 for ( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 241                 {
 242                         /* get bsp brush side */
 243                         if ( sideRef->side == NULL || sideRef->side->outputNum < 0 ) {
 244                                 continue;
 245                         }
 246                         side = &bspBrushSides[ sideRef->side->outputNum ];
 247
 248                         /* set drawsurface */
 249                         side->surfaceNum = ds->outputNum;
 250                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 251
 252                         /* set shader */
 253                         if ( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) ) {
 254                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 255                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 256                         }
 257                 }
 258         }
 259 }
 260
 261
 262
 263 /*
 264    ProcessWorldModel()
 265    creates a full bsp + surfaces for the worldspawn entity
 266  */
 267
 268 void ProcessWorldModel( void ){
 269         int i, s;
 270         entity_t    *e;
 271         tree_t      *tree;
 272         face_t      *faces;
 273         qboolean ignoreLeaks, leaked;
 274         xmlNodePtr polyline, leaknode;
 275         char level[ 2 ], shader[ 1024 ];
 276         const char  *value;
 277         int leakStatus;
 278
 279         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 280         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 281         if ( value[ 0 ] == '\0' ) {
 282                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 283         }
 284         if ( value[ 0 ] == '\0' ) {
 285                 value = ValueForKey( &entities[ 0 ], "chopsize" );  /* sof2 */
 286         }
 287         if ( value[ 0 ] != '\0' ) {
 288                 /* scan 3 numbers */
 289                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 290
 291                 /* handle legacy case */
 292                 if ( s == 1 ) {
 293                         blockSize[ 1 ] = blockSize[ 0 ];
 294                         blockSize[ 2 ] = blockSize[ 0 ];
 295                 }
 296         }
 297         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 298
 299         /* sof2: ignore leaks? */
 300         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 301         if ( value[ 0 ] == '\0' ) {
 302                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 303         }
 304         if ( value[ 0 ] == '1' ) {
 305                 ignoreLeaks = qtrue;
 306         }
 307         else{
 308                 ignoreLeaks = qfalse;
 309         }
 310
 311         /* begin worldspawn model */
 312         BeginModel();
 313         e = &entities[ 0 ];
 314         e->firstDrawSurf = 0;
 315
 316         /* ydnar: gs mods */
 317         ClearMetaTriangles();
 318
 319         /* check for patches with adjacent edges that need to lod together */
 320         PatchMapDrawSurfs( e );
 321
 322         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 323         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 324         tree = FaceBSP( faces );
 325         MakeTreePortals( tree );
 326         FilterStructuralBrushesIntoTree( e, tree );
 327
 328         /* see if the bsp is completely enclosed */
 329         leakStatus = FloodEntities( tree );
 330         if ( ignoreLeaks ) {
 331                 if ( leakStatus == FLOODENTITIES_LEAKED ) {
 332                         leakStatus = FLOODENTITIES_GOOD;
 333                 }
 334         }
 335
 336         if ( leakStatus == FLOODENTITIES_GOOD ) {
 337                 leaked = qfalse;
 338         }
 339         else
 340         {
 341                 leaked = qtrue;
 342
 343                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 344                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 345                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 346                 polyline = LeakFile( tree );
 347                 leaknode = xmlNewNode( NULL, (xmlChar*)"message" );
 348                 xmlNodeSetContent( leaknode, (xmlChar*)"MAP LEAKED\n" );
 349                 xmlAddChild( leaknode, polyline );
 350                 level[0] = (int) '0' + SYS_ERR;
 351                 level[1] = 0;
 352                 xmlSetProp( leaknode, (xmlChar*)"level", (xmlChar*) &level );
 353                 xml_SendNode( leaknode );
 354                 if ( leaktest ) {
 355                         Sys_Printf( "--- MAP LEAKED, ABORTING LEAKTEST ---\n" );
 356                         exit( 0 );
 357                 }
 358         }
 359
 360         if ( leakStatus != FLOODENTITIES_EMPTY ) { /* if no entities exist, this would accidentally the whole map, and that IS bad */
 361                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 362                 FillOutside( tree->headnode );
 363
 364                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 365                 ClipSidesIntoTree( e, tree );
 366
 367                 /* build a visible face tree (same thing as the initial bsp tree but after reducing the faces) */
 368                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 369                 FreeTree( tree );
 370                 tree = FaceBSP( faces );
 371                 MakeTreePortals( tree );
 372                 FilterStructuralBrushesIntoTree( e, tree );
 373
 374                 /* ydnar: flood again for skybox */
 375                 if ( skyboxPresent ) {
 376                         FloodEntities( tree );
 377                 }
 378         }
 379
 380         /* save out information for visibility processing */
 381         NumberClusters( tree );
 382         if ( !leaked ) {
 383                 WritePortalFile( tree );
 384         }
 385
 386         /* flood from entities */
 387         FloodAreas( tree );
 388
 389         /* create drawsurfs for triangle models */
 390         AddTriangleModels( e );
 391
 392         /* create drawsurfs for surface models */
 393         AddEntitySurfaceModels( e );
 394
 395         /* generate bsp brushes from map brushes */
 396         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 397
 398         /* add references to the detail brushes */
 399         FilterDetailBrushesIntoTree( e, tree );
 400
 401         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 402         if ( !nofog ) {
 403                 FogDrawSurfaces( e );
 404         }
 405
 406         /* subdivide each drawsurf as required by shader tesselation */
 407         if ( !nosubdivide ) {
 408                 SubdivideFaceSurfaces( e, tree );
 409         }
 410
 411         /* add in any vertexes required to fix t-junctions */
 412         if ( !notjunc ) {
 413                 FixTJunctions( e );
 414         }
 415
 416         /* ydnar: classify the surfaces */
 417         ClassifyEntitySurfaces( e );
 418
 419         /* ydnar: project decals */
 420         MakeEntityDecals( e );
 421
 422         /* ydnar: meta surfaces */
 423         MakeEntityMetaTriangles( e );
 424         SmoothMetaTriangles();
 425         FixMetaTJunctions();
 426         MergeMetaTriangles();
 427
 428         /* ydnar: debug portals */
 429         if ( debugPortals ) {
 430                 MakeDebugPortalSurfs( tree );
 431         }
 432
 433         /* ydnar: fog hull */
 434         value = ValueForKey( &entities[ 0 ], "_foghull" );
 435         if ( value[ 0 ] != '\0' ) {
 436                 sprintf( shader, "textures/%s", value );
 437                 MakeFogHullSurfs( e, tree, shader );
 438         }
 439
 440         /* ydnar: bug 645: do flares for lights */
 441         for ( i = 0; i < numEntities && emitFlares; i++ )
 442         {
 443                 entity_t    *light, *target;
 444                 const char  *value, *flareShader;
 445                 vec3_t origin, targetOrigin, normal, color;
 446                 int lightStyle;
 447
 448
 449                 /* get light */
 450                 light = &entities[ i ];
 451                 value = ValueForKey( light, "classname" );
 452                 if ( !strcmp( value, "light" ) ) {
 453                         /* get flare shader */
 454                         flareShader = ValueForKey( light, "_flareshader" );
 455                         value = ValueForKey( light, "_flare" );
 456                         if ( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' ) {
 457                                 /* get specifics */
 458                                 GetVectorForKey( light, "origin", origin );
 459                                 GetVectorForKey( light, "_color", color );
 460                                 lightStyle = IntForKey( light, "_style" );
 461                                 if ( lightStyle == 0 ) {
 462                                         lightStyle = IntForKey( light, "style" );
 463                                 }
 464
 465                                 /* handle directional spotlights */
 466                                 value = ValueForKey( light, "target" );
 467                                 if ( value[ 0 ] != '\0' ) {
 468                                         /* get target light */
 469                                         target = FindTargetEntity( value );
 470                                         if ( target != NULL ) {
 471                                                 GetVectorForKey( target, "origin", targetOrigin );
 472                                                 VectorSubtract( targetOrigin, origin, normal );
 473                                                 VectorNormalize( normal, normal );
 474                                         }
 475                                 }
 476                                 else{
 477                                         //%     VectorClear( normal );
 478                                         VectorSet( normal, 0, 0, -1 );
 479                                 }
 480
 481                                 if ( colorsRGB ) {
 482                                         color[0] = Image_LinearFloatFromsRGBFloat( color[0] );
 483                                         color[1] = Image_LinearFloatFromsRGBFloat( color[1] );
 484                                         color[2] = Image_LinearFloatFromsRGBFloat( color[2] );
 485                                 }
 486
 487                                 /* create the flare surface (note shader defaults automatically) */
 488                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, flareShader, lightStyle );
 489                         }
 490                 }
 491         }
 492
 493         /* add references to the final drawsurfs in the apropriate clusters */
 494         FilterDrawsurfsIntoTree( e, tree );
 495
 496         /* match drawsurfaces back to original brushsides (sof2) */
 497         FixBrushSides( e );
 498
 499         /* finish */
 500         EndModel( e, tree->headnode );
 501         FreeTree( tree );
 502 }
 503
 504
 505
 506 /*
 507    ProcessSubModel()
 508    creates bsp + surfaces for other brush models
 509  */
 510
 511 void ProcessSubModel( void ){
 512         entity_t    *e;
 513         tree_t      *tree;
 514         brush_t     *b, *bc;
 515         node_t      *node;
 516
 517
 518         /* start a brush model */
 519         BeginModel();
 520         e = &entities[ mapEntityNum ];
 521         e->firstDrawSurf = numMapDrawSurfs;
 522
 523         /* ydnar: gs mods */
 524         ClearMetaTriangles();
 525
 526         /* check for patches with adjacent edges that need to lod together */
 527         PatchMapDrawSurfs( e );
 528
 529         /* allocate a tree */
 530         node = AllocNode();
 531         node->planenum = PLANENUM_LEAF;
 532         tree = AllocTree();
 533         tree->headnode = node;
 534
 535         /* add the sides to the tree */
 536         ClipSidesIntoTree( e, tree );
 537
 538         /* ydnar: create drawsurfs for triangle models */
 539         AddTriangleModels( e );
 540
 541         /* create drawsurfs for surface models */
 542         AddEntitySurfaceModels( e );
 543
 544         /* generate bsp brushes from map brushes */
 545         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 546
 547         /* just put all the brushes in headnode */
 548         for ( b = e->brushes; b; b = b->next )
 549         {
 550                 bc = CopyBrush( b );
 551                 bc->next = node->brushlist;
 552                 node->brushlist = bc;
 553         }
 554
 555         /* subdivide each drawsurf as required by shader tesselation */
 556         if ( !nosubdivide ) {
 557                 SubdivideFaceSurfaces( e, tree );
 558         }
 559
 560         /* add in any vertexes required to fix t-junctions */
 561         if ( !notjunc ) {
 562                 FixTJunctions( e );
 563         }
 564
 565         /* ydnar: classify the surfaces and project lightmaps */
 566         ClassifyEntitySurfaces( e );
 567
 568         /* ydnar: project decals */
 569         MakeEntityDecals( e );
 570
 571         /* ydnar: meta surfaces */
 572         MakeEntityMetaTriangles( e );
 573         SmoothMetaTriangles();
 574         FixMetaTJunctions();
 575         MergeMetaTriangles();
 576
 577         /* add references to the final drawsurfs in the apropriate clusters */
 578         FilterDrawsurfsIntoTree( e, tree );
 579
 580         /* match drawsurfaces back to original brushsides (sof2) */
 581         FixBrushSides( e );
 582
 583         /* finish */
 584         EndModel( e, node );
 585         FreeTree( tree );
 586 }
 587
 588
 589
 590 /*
 591    ProcessModels()
 592    process world + other models into the bsp
 593  */
 594
 595 void ProcessModels( void ){
 596         qboolean oldVerbose;
 597         entity_t    *entity;
 598
 599
 600         /* preserve -v setting */
 601         oldVerbose = verbose;
 602
 603         /* start a new bsp */
 604         BeginBSPFile();
 605
 606         /* create map fogs */
 607         CreateMapFogs();
 608
 609         /* walk entity list */
 610         for ( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 611         {
 612                 /* get entity */
 613                 entity = &entities[ mapEntityNum ];
 614                 if ( entity->brushes == NULL && entity->patches == NULL ) {
 615                         continue;
 616                 }
 617
 618                 /* process the model */
 619                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 620                 if ( mapEntityNum == 0 ) {
 621                         ProcessWorldModel();
 622                 }
 623                 else{
 624                         ProcessSubModel();
 625                 }
 626
 627                 /* potentially turn off the deluge of text */
 628                 verbose = verboseEntities;
 629         }
 630
 631         /* restore -v setting */
 632         verbose = oldVerbose;
 633
 634         /* write fogs */
 635         EmitFogs();
 636
 637         /* vortex: emit meta stats */
 638         EmitMetaStats();
 639 }
 640
 641
 642
 643 /*
 644    OnlyEnts()
 645    this is probably broken unless teamed with a radiant version that preserves entity order
 646  */
 647
 648 void OnlyEnts( void ){
 649         char out[ 1024 ];
 650
 651         char save_cmdline[1024], save_version[1024], save_gridsize[1024];
 652         const char *p;
 653
 654         /* note it */
 655         Sys_Printf( "--- OnlyEnts ---\n" );
 656
 657         sprintf( out, "%s.bsp", source );
 658         LoadBSPFile( out );
 659
 660         ParseEntities();
 661         p = ValueForKey( &entities[0], "_q3map2_cmdline" );
 662         strncpy( save_cmdline, p, sizeof( save_cmdline ) );
 663         save_cmdline[sizeof( save_cmdline ) - 1] = 0;
 664         p = ValueForKey( &entities[0], "_q3map2_version" );
 665         strncpy( save_version, p, sizeof( save_version ) );
 666         save_version[sizeof( save_version ) - 1] = 0;
 667         p = ValueForKey( &entities[0], "gridsize" );
 668         strncpy( save_gridsize, p, sizeof( save_gridsize ) );
 669         save_gridsize[sizeof( save_gridsize ) - 1] = 0;
 670
 671         numEntities = 0;
 672
 673         LoadShaderInfo();
 674         LoadMapFile( name, qfalse, qfalse );
 675         SetModelNumbers();
 676         SetLightStyles();
 677
 678         if ( *save_cmdline ) {
 679                 SetKeyValue( &entities[0], "_q3map2_cmdline", save_cmdline );
 680         }
 681         if ( *save_version ) {
 682                 SetKeyValue( &entities[0], "_q3map2_version", save_version );
 683         }
 684         if ( *save_gridsize ) {
 685                 SetKeyValue( &entities[0], "gridsize", save_gridsize );
 686         }
 687
 688         numBSPEntities = numEntities;
 689         UnparseEntities();
 690
 691         WriteBSPFile( out );
 692 }
 693
 694
 695
 696 /*
 697    BSPMain() - ydnar
 698    handles creation of a bsp from a map file
 699  */
 700
 701 int BSPMain( int argc, char **argv ){
 702         int i;
 703         char path[ 1024 ], tempSource[ 1024 ];
 704         qboolean onlyents = qfalse;
 705
 706
 707         /* note it */
 708         Sys_Printf( "--- BSP ---\n" );
 709
 710         SetDrawSurfacesBuffer();
 711         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 712         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 713         numMapDrawSurfs = 0;
 714
 715         tempSource[ 0 ] = '\0';
 716         globalCelShader[0] = 0;
 717
 718         /* set standard game flags */
 719         maxSurfaceVerts = game->maxSurfaceVerts;
 720         maxSurfaceIndexes = game->maxSurfaceIndexes;
 721         emitFlares = game->emitFlares;
 722         texturesRGB = game->texturesRGB;
 723         colorsRGB = game->colorsRGB;
 724
 725         /* process arguments */
 726         for ( i = 1; i < ( argc - 1 ); i++ )
 727         {
 728                 if ( !strcmp( argv[ i ], "-onlyents" ) ) {
 729                         Sys_Printf( "Running entity-only compile\n" );
 730                         onlyents = qtrue;
 731                 }
 732                 else if ( !strcmp( argv[ i ], "-tempname" ) ) {
 733                         strcpy( tempSource, argv[ ++i ] );
 734                 }
 735                 else if ( !strcmp( argv[ i ], "-tmpout" ) ) {
 736                         strcpy( outbase, "/tmp" );
 737                 }
 738                 else if ( !strcmp( argv[ i ],  "-nowater" ) ) {
 739                         Sys_Printf( "Disabling water\n" );
 740                         nowater = qtrue;
 741                 }
 742                 else if ( !strcmp( argv[ i ], "-keeplights" ) ) {
 743                         keepLights = qtrue;
 744                         Sys_Printf( "Leaving light entities on map after compile\n" );
 745                 }
 746                 else if ( !strcmp( argv[ i ],  "-nodetail" ) ) {
 747                         Sys_Printf( "Ignoring detail brushes\n" ) ;
 748                         nodetail = qtrue;
 749                 }
 750                 else if ( !strcmp( argv[ i ],  "-fulldetail" ) ) {
 751                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 752                         fulldetail = qtrue;
 753                 }
 754                 else if ( !strcmp( argv[ i ],  "-nofog" ) ) {
 755                         Sys_Printf( "Fog volumes disabled\n" );
 756                         nofog = qtrue;
 757                 }
 758                 else if ( !strcmp( argv[ i ],  "-nosubdivide" ) ) {
 759                         Sys_Printf( "Disabling brush face subdivision\n" );
 760                         nosubdivide = qtrue;
 761                 }
 762                 else if ( !strcmp( argv[ i ],  "-leaktest" ) ) {
 763                         Sys_Printf( "Leaktest enabled\n" );
 764                         leaktest = qtrue;
 765                 }
 766                 else if ( !strcmp( argv[ i ],  "-verboseentities" ) ) {
 767                         Sys_Printf( "Verbose entities enabled\n" );
 768                         verboseEntities = qtrue;
 769                 }
 770                 else if ( !strcmp( argv[ i ], "-nocurves" ) ) {
 771                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 772                         noCurveBrushes = qtrue;
 773                 }
 774                 else if ( !strcmp( argv[ i ], "-notjunc" ) ) {
 775                         Sys_Printf( "T-junction fixing disabled\n" );
 776                         notjunc = qtrue;
 777                 }
 778                 else if ( !strcmp( argv[ i ], "-fakemap" ) ) {
 779                         Sys_Printf( "Generating fakemap.map\n" );
 780                         fakemap = qtrue;
 781                 }
 782                 else if ( !strcmp( argv[ i ],  "-samplesize" ) ) {
 783                         sampleSize = atoi( argv[ i + 1 ] );
 784                         if ( sampleSize < 1 ) {
 785                                 sampleSize = 1;
 786                         }
 787                         i++;
 788                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 789                 }
 790                 else if ( !strcmp( argv[ i ], "-minsamplesize" ) ) {
 791                         minSampleSize = atoi( argv[ i + 1 ] );
 792                         if ( minSampleSize < 1 ) {
 793                                 minSampleSize = 1;
 794                         }
 795                         i++;
 796                         Sys_Printf( "Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize );
 797                 }
 798                 else if ( !strcmp( argv[ i ],  "-custinfoparms" ) ) {
 799                         Sys_Printf( "Custom info parms enabled\n" );
 800                         useCustomInfoParms = qtrue;
 801                 }
 802
 803                 /* sof2 args */
 804                 else if ( !strcmp( argv[ i ], "-rename" ) ) {
 805                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 806                         renameModelShaders = qtrue;
 807                 }
 808
 809                 /* ydnar args */
 810                 else if ( !strcmp( argv[ i ],  "-ne" ) ) {
 811                         normalEpsilon = atof( argv[ i + 1 ] );
 812                         i++;
 813                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 814                 }
 815                 else if ( !strcmp( argv[ i ],  "-de" ) ) {
 816                         distanceEpsilon = atof( argv[ i + 1 ] );
 817                         i++;
 818                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 819                 }
 820                 else if ( !strcmp( argv[ i ],  "-mv" ) ) {
 821                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 822                         if ( maxLMSurfaceVerts < 3 ) {
 823                                 maxLMSurfaceVerts = 3;
 824                         }
 825                         if ( maxLMSurfaceVerts > maxSurfaceVerts ) {
 826                                 maxSurfaceVerts = maxLMSurfaceVerts;
 827                         }
 828                         i++;
 829                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 830                 }
 831                 else if ( !strcmp( argv[ i ],  "-mi" ) ) {
 832                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 833                         if ( maxSurfaceIndexes < 3 ) {
 834                                 maxSurfaceIndexes = 3;
 835                         }
 836                         i++;
 837                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 838                 }
 839                 else if ( !strcmp( argv[ i ], "-np" ) ) {
 840                         npDegrees = atof( argv[ i + 1 ] );
 841                         if ( npDegrees < 0.0f ) {
 842                                 npDegrees = 0.0f;
 843                         }
 844                         else if ( npDegrees > 0.0f ) {
 845                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 846                         }
 847                         i++;
 848                 }
 849                 else if ( !strcmp( argv[ i ],  "-snap" ) ) {
 850                         bevelSnap = atoi( argv[ i + 1 ] );
 851                         if ( bevelSnap < 0 ) {
 852                                 bevelSnap = 0;
 853                         }
 854                         i++;
 855                         if ( bevelSnap > 0 ) {
 856                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 857                         }
 858                 }
 859                 else if ( !strcmp( argv[ i ],  "-texrange" ) ) {
 860                         texRange = atoi( argv[ i + 1 ] );
 861                         if ( texRange < 0 ) {
 862                                 texRange = 0;
 863                         }
 864                         i++;
 865                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 866                 }
 867                 else if ( !strcmp( argv[ i ], "-nohint" ) ) {
 868                         Sys_Printf( "Hint brushes disabled\n" );
 869                         noHint = qtrue;
 870                 }
 871                 else if ( !strcmp( argv[ i ], "-flat" ) ) {
 872                         Sys_Printf( "Flatshading enabled\n" );
 873                         flat = qtrue;
 874                 }
 875                 else if ( !strcmp( argv[ i ], "-celshader" ) ) {
 876                         ++i;
 877                         if ( argv[i][0] ) {
 878                                 sprintf( globalCelShader, "textures/%s", argv[ i ] );
 879                         }
 880                         else{
 881                                 *globalCelShader = 0;
 882                         }
 883                         Sys_Printf( "Global cel shader set to \"%s\"\n", globalCelShader );
 884                 }
 885                 else if ( !strcmp( argv[ i ], "-meta" ) ) {
 886                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 887                         meta = qtrue;
 888                 }
 889                 else if ( !strcmp( argv[ i ], "-metaadequatescore" ) ) {
 890                         metaAdequateScore = atoi( argv[ i + 1 ] );
 891                         if ( metaAdequateScore < 0 ) {
 892                                 metaAdequateScore = -1;
 893                         }
 894                         i++;
 895                         if ( metaAdequateScore >= 0 ) {
 896                                 Sys_Printf( "Setting ADEQUATE meta score to %d (see surface_meta.c)\n", metaAdequateScore );
 897                         }
 898                 }
 899                 else if ( !strcmp( argv[ i ], "-metagoodscore" ) ) {
 900                         metaGoodScore = atoi( argv[ i + 1 ] );
 901                         if ( metaGoodScore < 0 ) {
 902                                 metaGoodScore = -1;
 903                         }
 904                         i++;
 905                         if ( metaGoodScore >= 0 ) {
 906                                 Sys_Printf( "Setting GOOD meta score to %d (see surface_meta.c)\n", metaGoodScore );
 907                         }
 908                 }
 909                 else if ( !strcmp( argv[ i ], "-metamaxbboxdistance" ) ) {
 910                         metaMaxBBoxDistance = atof( argv[ i + 1 ] );
 911                         if ( metaMaxBBoxDistance < 0 ) {
 912                                 metaMaxBBoxDistance = -1;
 913                         }
 914                         i++;
 915                         if ( metaMaxBBoxDistance >= 0 ) {
 916                                 Sys_Printf( "Setting meta maximum bounding box distance to %f\n", metaMaxBBoxDistance );
 917                         }
 918                 }
 919                 else if ( !strcmp( argv[ i ], "-patchmeta" ) ) {
 920                         Sys_Printf( "Creating meta surfaces from patches\n" );
 921                         patchMeta = qtrue;
 922                 }
 923                 else if ( !strcmp( argv[ i ], "-flares" ) ) {
 924                         Sys_Printf( "Flare surfaces enabled\n" );
 925                         emitFlares = qtrue;
 926                 }
 927                 else if ( !strcmp( argv[ i ], "-noflares" ) ) {
 928                         Sys_Printf( "Flare surfaces disabled\n" );
 929                         emitFlares = qfalse;
 930                 }
 931                 else if ( !strcmp( argv[ i ], "-skyfix" ) ) {
 932                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 933                         skyFixHack = qtrue;
 934                 }
 935                 else if ( !strcmp( argv[ i ], "-debugsurfaces" ) ) {
 936                         Sys_Printf( "emitting debug surfaces\n" );
 937                         debugSurfaces = qtrue;
 938                 }
 939                 else if ( !strcmp( argv[ i ], "-debuginset" ) ) {
 940                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 941                         debugInset = qtrue;
 942                 }
 943                 else if ( !strcmp( argv[ i ], "-debugportals" ) ) {
 944                         Sys_Printf( "Debug portal surfaces enabled\n" );
 945                         debugPortals = qtrue;
 946                 }
 947                 else if ( !strcmp( argv[ i ], "-sRGBtex" ) ) {
 948                         texturesRGB = qtrue;
 949                         Sys_Printf( "Textures are in sRGB\n" );
 950                 }
 951                 else if ( !strcmp( argv[ i ], "-nosRGBtex" ) ) {
 952                         texturesRGB = qfalse;
 953                         Sys_Printf( "Textures are linear\n" );
 954                 }
 955                 else if ( !strcmp( argv[ i ], "-sRGBcolor" ) ) {
 956                         colorsRGB = qtrue;
 957                         Sys_Printf( "Colors are in sRGB\n" );
 958                 }
 959                 else if ( !strcmp( argv[ i ], "-nosRGBcolor" ) ) {
 960                         colorsRGB = qfalse;
 961                         Sys_Printf( "Colors are linear\n" );
 962                 }
 963                 else if ( !strcmp( argv[ i ], "-nosRGB" ) ) {
 964                         texturesRGB = qfalse;
 965                         Sys_Printf( "Textures are linear\n" );
 966                         colorsRGB = qfalse;
 967                         Sys_Printf( "Colors are linear\n" );
 968                 }
 969                 else if ( !strcmp( argv[ i ], "-altsplit" ) ) {
 970                         Sys_Printf( "Alternate BSP splitting (by 27) enabled\n" );
 971                         bspAlternateSplitWeights = qtrue;
 972                 }
 973                 else if ( !strcmp( argv[ i ], "-deep" ) ) {
 974                         Sys_Printf( "Deep BSP tree generation enabled\n" );
 975                         deepBSP = qtrue;
 976                 }
 977                 else if ( !strcmp( argv[ i ], "-maxarea" ) ) {
 978                         Sys_Printf( "Max Area face surface generation enabled\n" );
 979                         maxAreaFaceSurface = qtrue;
 980                 }
 981                 else if ( !strcmp( argv[ i ], "-bsp" ) ) {
 982                         Sys_Printf( "-bsp argument unnecessary\n" );
 983                 }
 984                 else
 985                 {
 986                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 987                 }
 988         }
 989
 990         /* fixme: print more useful usage here */
 991         if ( i != ( argc - 1 ) ) {
 992                 Error( "usage: q3map [options] mapfile" );
 993         }
 994
 995         /* copy source name */
 996         strcpy( source, ExpandArg( argv[ i ] ) );
 997         StripExtension( source );
 998
 999         /* ydnar: set default sample size */
1000         SetDefaultSampleSize( sampleSize );
1001
1002         /* delete portal, line and surface files */
1003         sprintf( path, "%s.prt", source );
1004         remove( path );
1005         sprintf( path, "%s.lin", source );
1006         remove( path );
1007         //%     sprintf( path, "%s.srf", source );      /* ydnar */
1008         //%     remove( path );
1009
1010         /* expand mapname */
1011         strcpy( name, ExpandArg( argv[ i ] ) );
1012         if ( strcmp( name + strlen( name ) - 4, ".reg" ) ) {
1013                 /* if we are doing a full map, delete the last saved region map */
1014                 sprintf( path, "%s.reg", source );
1015                 remove( path );
1016                 DefaultExtension( name, ".map" );   /* might be .reg */
1017         }
1018
1019         /* if onlyents, just grab the entites and resave */
1020         if ( onlyents ) {
1021                 OnlyEnts();
1022                 return 0;
1023         }
1024
1025         /* load shaders */
1026         LoadShaderInfo();
1027
1028         /* load original file from temp spot in case it was renamed by the editor on the way in */
1029         if ( strlen( tempSource ) > 0 ) {
1030                 LoadMapFile( tempSource, qfalse, qfalse );
1031         }
1032         else{
1033                 LoadMapFile( name, qfalse, qfalse );
1034         }
1035
1036         /* div0: inject command line parameters */
1037         InjectCommandLine( argv, 1, argc - 1 );
1038
1039         /* ydnar: decal setup */
1040         ProcessDecals();
1041
1042         /* ydnar: cloned brush model entities */
1043         SetCloneModelNumbers();
1044
1045         /* process world and submodels */
1046         ProcessModels();
1047
1048         /* set light styles from targetted light entities */
1049         SetLightStyles();
1050
1051         /* process in game advertisements */
1052         ProcessAdvertisements();
1053
1054         /* finish and write bsp */
1055         EndBSPFile( qtrue );
1056
1057         /* remove temp map source file if appropriate */
1058         if ( strlen( tempSource ) > 0 ) {
1059                 remove( tempSource );
1060         }
1061
1062         /* return to sender */
1063         return 0;
1064 }