The GtkRadiant sources as originally released under the GPL license.

tools/quake3/q3map2/bsp.c

@@ -0,0 +1,858 @@
+/* -------------------------------------------------------------------------------
+
+Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+GtkRadiant is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+----------------------------------------------------------------------------------
+
+This code has been altered significantly from its original form, to support
+several games based on the Quake III Arena engine, in the form of "Q3Map2."
+
+------------------------------------------------------------------------------- */
+
+
+
+/* marker */
+#define BSP_C
+
+
+
+/* dependencies */
+#include "q3map2.h"
+
+
+
+/* -------------------------------------------------------------------------------
+
+functions
+
+------------------------------------------------------------------------------- */
+
+
+
+/*
+SetCloneModelNumbers() - ydnar
+sets the model numbers for brush entities
+*/
+
+static void SetCloneModelNumbers( void )
+{
+	int			i, j;
+	int			models;
+	char		modelValue[ 10 ];
+	const char	*value, *value2, *value3;
+	
+	
+	/* start with 1 (worldspawn is model 0) */
+	models = 1;
+	for( i = 1; i < numEntities; i++ )
+	{
+		/* only entities with brushes or patches get a model number */
+		if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
+			continue;
+		
+		/* is this a clone? */
+		value = ValueForKey( &entities[ i ], "_clone" );
+		if( value[ 0 ] != '\0' )
+			continue;
+		
+		/* add the model key */
+		sprintf( modelValue, "*%d", models );
+		SetKeyValue( &entities[ i ], "model", modelValue );
+		
+		/* increment model count */
+		models++;
+	}
+	
+	/* fix up clones */
+	for( i = 1; i < numEntities; i++ )
+	{
+		/* only entities with brushes or patches get a model number */
+		if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
+			continue;
+		
+		/* is this a clone? */
+		value = ValueForKey( &entities[ i ], "_ins" );
+		if( value[ 0 ] == '\0' )
+			value = ValueForKey( &entities[ i ], "_instance" );
+		if( value[ 0 ] == '\0' )
+			value = ValueForKey( &entities[ i ], "_clone" );
+		if( value[ 0 ] == '\0' )
+			continue;
+		
+		/* find an entity with matching clone name */
+		for( j = 0; j < numEntities; j++ )
+		{
+			/* is this a clone parent? */
+			value2 = ValueForKey( &entities[ j ], "_clonename" );
+			if( value2[ 0 ] == '\0' )
+				continue;
+			
+			/* do they match? */
+			if( strcmp( value, value2 ) == 0 )
+			{
+				/* get the model num */
+				value3 = ValueForKey( &entities[ j ], "model" );
+				if( value3[ 0 ] == '\0' )
+				{
+					Sys_Printf( "WARNING: Cloned entity %s referenced entity without model\n", value2 );
+					continue;
+				}
+				models = atoi( &value2[ 1 ] );
+				
+				/* add the model key */
+				sprintf( modelValue, "*%d", models );
+				SetKeyValue( &entities[ i ], "model", modelValue );
+				
+				/* nuke the brushes/patches for this entity (fixme: leak!) */
+				entities[ i ].brushes = NULL;
+				entities[ i ].patches = NULL;
+			}
+		}
+	}
+}
+
+
+
+/*
+FixBrushSides() - ydnar
+matches brushsides back to their appropriate drawsurface and shader
+*/
+
+static void FixBrushSides( entity_t *e )
+{
+	int					i;
+	mapDrawSurface_t	*ds;
+	sideRef_t			*sideRef;
+	bspBrushSide_t		*side;
+	
+	
+	/* note it */
+	Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
+	
+	/* walk list of drawsurfaces */
+	for( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
+	{
+		/* get surface and try to early out */
+		ds = &mapDrawSurfs[ i ];
+		if( ds->outputNum < 0 )
+			continue;
+		
+		/* walk sideref list */
+		for( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
+		{
+			/* get bsp brush side */
+			if( sideRef->side == NULL || sideRef->side->outputNum < 0 )
+				continue;
+			side = &bspBrushSides[ sideRef->side->outputNum ];
+			
+			/* set drawsurface */
+			side->surfaceNum = ds->outputNum;
+			//%	Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
+			
+			/* set shader */
+			if( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) )
+			{
+				//%	Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
+				side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
+			}
+		}
+	}
+}
+
+
+
+/*
+ProcessWorldModel()
+creates a full bsp + surfaces for the worldspawn entity
+*/
+
+void ProcessWorldModel( void )
+{
+	int			i, s;
+	entity_t	*e;
+	tree_t		*tree;
+	face_t		*faces;
+	qboolean	ignoreLeaks, leaked;
+	xmlNodePtr	polyline, leaknode;
+	char		level[ 2 ], shader[ 1024 ];
+	const char	*value;
+	
+	
+	/* sets integer blockSize from worldspawn "_blocksize" key if it exists */
+	value = ValueForKey( &entities[ 0 ], "_blocksize" );
+	if( value[ 0 ] == '\0' )
+		value = ValueForKey( &entities[ 0 ], "blocksize" );
+	if( value[ 0 ] == '\0' )
+		value = ValueForKey( &entities[ 0 ], "chopsize" );	/* sof2 */
+	if( value[ 0 ] != '\0' )
+	{
+		/* scan 3 numbers */
+		s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
+		
+		/* handle legacy case */
+		if( s == 1 )
+		{
+			blockSize[ 1 ] = blockSize[ 0 ];
+			blockSize[ 2 ] = blockSize[ 0 ];
+		}
+	}
+	Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
+	
+	/* sof2: ignore leaks? */
+	value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );	/* ydnar */
+	if( value[ 0 ] == '\0' )
+		value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
+	if( value[ 0 ] == '1' )
+		ignoreLeaks = qtrue;
+	else
+		ignoreLeaks = qfalse;
+	
+	/* begin worldspawn model */
+	BeginModel();
+	e = &entities[ 0 ];
+	e->firstDrawSurf = 0;
+	
+	/* ydnar: gs mods */
+	ClearMetaTriangles();
+
+	/* check for patches with adjacent edges that need to lod together */
+	PatchMapDrawSurfs( e );
+
+	/* build an initial bsp tree using all of the sides of all of the structural brushes */
+	faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
+	tree = FaceBSP( faces );
+	MakeTreePortals( tree );
+	FilterStructuralBrushesIntoTree( e, tree );
+	
+	/* see if the bsp is completely enclosed */
+	if( FloodEntities( tree ) || ignoreLeaks )
+	{
+		/* rebuild a better bsp tree using only the sides that are visible from the inside */
+		FillOutside( tree->headnode );
+
+		/* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
+		ClipSidesIntoTree( e, tree );
+		
+		/* build a visible face tree */
+		faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
+		FreeTree( tree );
+		tree = FaceBSP( faces );
+		MakeTreePortals( tree );
+		FilterStructuralBrushesIntoTree( e, tree );
+		leaked = qfalse;
+		
+		/* ydnar: flood again for skybox */
+		if( skyboxPresent )
+			FloodEntities( tree );
+	}
+	else
+	{
+		Sys_FPrintf( SYS_NOXML, "**********************\n" );
+		Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
+		Sys_FPrintf( SYS_NOXML, "**********************\n" );
+		polyline = LeakFile( tree );
+		leaknode = xmlNewNode( NULL, "message" );
+		xmlNodeSetContent( leaknode, "MAP LEAKED\n" );
+		xmlAddChild( leaknode, polyline );
+		level[0] = (int) '0' + SYS_ERR;
+		level[1] = 0;
+		xmlSetProp( leaknode, "level", (char*) &level );
+		xml_SendNode( leaknode );
+		if( leaktest )
+		{
+			Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
+			exit( 0 );
+		}
+		leaked = qtrue;
+		
+		/* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
+		ClipSidesIntoTree( e, tree );
+	}
+	
+	/* save out information for visibility processing */
+	NumberClusters( tree );
+	if( !leaked )
+		WritePortalFile( tree );
+	
+	/* flood from entities */
+	FloodAreas( tree );
+	
+	/* create drawsurfs for triangle models */
+	AddTriangleModels( e );
+	
+	/* create drawsurfs for surface models */
+	AddEntitySurfaceModels( e );
+	
+	/* generate bsp brushes from map brushes */
+	EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
+	
+	/* add references to the detail brushes */
+	FilterDetailBrushesIntoTree( e, tree );
+	
+	/* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
+	if( !nofog )
+		FogDrawSurfaces( e );
+	
+	/* subdivide each drawsurf as required by shader tesselation */
+	if( !nosubdivide )
+		SubdivideFaceSurfaces( e, tree );
+	
+	/* add in any vertexes required to fix t-junctions */
+	if( !notjunc )
+		FixTJunctions( e );
+	
+	/* ydnar: classify the surfaces */
+	ClassifyEntitySurfaces( e );
+	
+	/* ydnar: project decals */
+	MakeEntityDecals( e );
+	
+	/* ydnar: meta surfaces */
+	MakeEntityMetaTriangles( e );
+	SmoothMetaTriangles();
+	FixMetaTJunctions();
+	MergeMetaTriangles();
+	
+	/* ydnar: debug portals */
+	if( debugPortals )
+		MakeDebugPortalSurfs( tree );
+	
+	/* ydnar: fog hull */
+	value = ValueForKey( &entities[ 0 ], "_foghull" );
+	if( value[ 0 ] != '\0' )
+	{
+		sprintf( shader, "textures/%s", value );
+		MakeFogHullSurfs( e, tree, shader );
+	}
+	
+	/* ydnar: bug 645: do flares for lights */
+	for( i = 0; i < numEntities && emitFlares; i++ )
+	{
+		entity_t	*light, *target;
+		const char	*value, *flareShader;
+		vec3_t		origin, targetOrigin, normal, color;
+		int			lightStyle;
+		
+		
+		/* get light */
+		light = &entities[ i ];
+		value = ValueForKey( light, "classname" );
+		if( !strcmp( value, "light" ) )
+		{
+			/* get flare shader */
+			flareShader = ValueForKey( light, "_flareshader" );
+			value = ValueForKey( light, "_flare" );
+			if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
+			{
+				/* get specifics */
+				GetVectorForKey( light, "origin", origin );
+				GetVectorForKey( light, "_color", color );
+				lightStyle = IntForKey( light, "_style" );
+				if( lightStyle == 0 )
+					lightStyle = IntForKey( light, "style" );
+				
+				/* handle directional spotlights */
+				value = ValueForKey( light, "target" );
+				if( value[ 0 ] != '\0' )
+				{
+					/* get target light */
+					target = FindTargetEntity( value );
+					if( target != NULL )
+					{
+						GetVectorForKey( target, "origin", targetOrigin );
+						VectorSubtract( targetOrigin, origin, normal );
+						VectorNormalize( normal, normal );
+					}
+				}
+				else
+					//%	VectorClear( normal );
+					VectorSet( normal, 0, 0, -1 );
+				
+				/* create the flare surface (note shader defaults automatically) */
+				DrawSurfaceForFlare( mapEntityNum, origin, normal, color, (char*) flareShader, lightStyle );
+			}
+		}
+	}
+	
+	/* add references to the final drawsurfs in the apropriate clusters */
+	FilterDrawsurfsIntoTree( e, tree );
+	
+	/* match drawsurfaces back to original brushsides (sof2) */
+	FixBrushSides( e );
+	
+	/* finish */
+	EndModel( e, tree->headnode );
+	FreeTree( tree );
+}
+
+
+
+/*
+ProcessSubModel()
+creates bsp + surfaces for other brush models
+*/
+
+void ProcessSubModel( void )
+{
+	entity_t	*e;
+	tree_t		*tree;
+	brush_t		*b, *bc;
+	node_t		*node;
+	
+	
+	/* start a brush model */
+	BeginModel();
+	e = &entities[ mapEntityNum ];
+	e->firstDrawSurf = numMapDrawSurfs;
+	
+	/* ydnar: gs mods */
+	ClearMetaTriangles();
+	
+	/* check for patches with adjacent edges that need to lod together */
+	PatchMapDrawSurfs( e );
+	
+	/* allocate a tree */
+	node = AllocNode();
+	node->planenum = PLANENUM_LEAF;
+	tree = AllocTree();
+	tree->headnode = node;
+	
+	/* add the sides to the tree */
+	ClipSidesIntoTree( e, tree );
+	
+	/* ydnar: create drawsurfs for triangle models */
+	AddTriangleModels( e );
+	
+	/* create drawsurfs for surface models */
+	AddEntitySurfaceModels( e );
+	
+	/* generate bsp brushes from map brushes */
+	EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
+
+	/* just put all the brushes in headnode */
+	for( b = e->brushes; b; b = b->next )
+	{
+		bc = CopyBrush( b );
+		bc->next = node->brushlist;
+		node->brushlist = bc;
+	}
+	
+	/* subdivide each drawsurf as required by shader tesselation */
+	if( !nosubdivide )
+		SubdivideFaceSurfaces( e, tree );
+	
+	/* add in any vertexes required to fix t-junctions */
+	if( !notjunc )
+		FixTJunctions( e );
+	
+	/* ydnar: classify the surfaces and project lightmaps */
+	ClassifyEntitySurfaces( e );
+	
+	/* ydnar: project decals */
+	MakeEntityDecals( e );
+	
+	/* ydnar: meta surfaces */
+	MakeEntityMetaTriangles( e );
+	SmoothMetaTriangles();
+	FixMetaTJunctions();
+	MergeMetaTriangles();
+	
+	/* add references to the final drawsurfs in the apropriate clusters */
+	FilterDrawsurfsIntoTree( e, tree );
+	
+	/* match drawsurfaces back to original brushsides (sof2) */
+	FixBrushSides( e );
+	
+	/* finish */
+	EndModel( e, node );
+	FreeTree( tree );
+}
+
+
+
+/*
+ProcessModels()
+process world + other models into the bsp
+*/
+
+void ProcessModels( void )
+{
+	qboolean	oldVerbose;
+	entity_t	*entity;
+	
+	
+	/* preserve -v setting */
+	oldVerbose = verbose;
+	
+	/* start a new bsp */
+	BeginBSPFile();
+	
+	/* create map fogs */
+	CreateMapFogs();
+	
+	/* walk entity list */
+	for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
+	{
+		/* get entity */
+		entity = &entities[ mapEntityNum ];
+		if( entity->brushes == NULL && entity->patches == NULL )
+			continue;
+		
+		/* process the model */
+		Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
+		if( mapEntityNum == 0 )
+			ProcessWorldModel();
+		else
+			ProcessSubModel();
+		
+		/* potentially turn off the deluge of text */
+		verbose = verboseEntities;
+	}
+	
+	/* restore -v setting */
+	verbose = oldVerbose;
+	
+	/* write fogs */
+	EmitFogs();
+}
+
+
+
+/*
+OnlyEnts()
+this is probably broken unless teamed with a radiant version that preserves entity order
+*/
+
+void OnlyEnts( void )
+{
+	char out[ 1024 ];
+
+	
+	/* note it */
+	Sys_Printf( "--- OnlyEnts ---\n" );
+	
+	sprintf( out, "%s.bsp", source );
+	LoadBSPFile( out );
+	numEntities = 0;
+
+	LoadShaderInfo();
+	LoadMapFile( name, qfalse );
+	SetModelNumbers();
+	SetLightStyles();
+	
+	numBSPEntities = numEntities;
+	UnparseEntities();
+	
+	WriteBSPFile( out );
+}
+
+
+
+/*
+BSPMain() - ydnar
+handles creation of a bsp from a map file
+*/
+
+int BSPMain( int argc, char **argv )
+{
+	int			i;
+	char		path[ 1024 ], tempSource[ 1024 ];
+	qboolean	onlyents = qfalse;
+	
+	
+	/* note it */
+	Sys_Printf( "--- BSP ---\n" );
+	
+	SetDrawSurfacesBuffer();
+	mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
+	memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
+	numMapDrawSurfs = 0;
+	
+	tempSource[ 0 ] = '\0';
+	
+	/* set standard game flags */
+	maxSurfaceVerts = game->maxSurfaceVerts;
+	maxSurfaceIndexes = game->maxSurfaceIndexes;
+	emitFlares = game->emitFlares;
+	
+	/* process arguments */
+	for( i = 1; i < (argc - 1); i++ )
+	{
+		if( !strcmp( argv[ i ], "-onlyents" ) )
+		{
+			Sys_Printf( "Running entity-only compile\n" );
+			onlyents = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-tempname" ) )
+			strcpy( tempSource, argv[ ++i ] );
+		else if( !strcmp( argv[ i ], "-tmpout" ) )
+			strcpy( outbase, "/tmp" );
+		else if( !strcmp( argv[ i ],  "-nowater" ) )
+		{
+			Sys_Printf( "Disabling water\n" );
+			nowater = qtrue;
+		}
+		else if( !strcmp( argv[ i ],  "-nodetail" ) )
+		{
+			Sys_Printf( "Ignoring detail brushes\n") ;
+			nodetail = qtrue;
+		}
+		else if( !strcmp( argv[ i ],  "-fulldetail" ) )
+		{
+			Sys_Printf( "Turning detail brushes into structural brushes\n" );
+			fulldetail = qtrue;
+		}
+		else if( !strcmp( argv[ i ],  "-nofog" ) )
+		{
+			Sys_Printf( "Fog volumes disabled\n" );
+			nofog = qtrue;
+		}
+		else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
+		{
+			Sys_Printf( "Disabling brush face subdivision\n" );
+			nosubdivide = qtrue;
+		}
+		else if( !strcmp( argv[ i ],  "-leaktest" ) )
+		{
+			Sys_Printf( "Leaktest enabled\n" );
+			leaktest = qtrue;
+		}
+		else if( !strcmp( argv[ i ],  "-verboseentities" ) )
+		{
+			Sys_Printf( "Verbose entities enabled\n" );
+			verboseEntities = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-nocurves" ) )
+		{
+			Sys_Printf( "Ignoring curved surfaces (patches)\n" );
+			noCurveBrushes = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-notjunc" ) )
+		{
+			Sys_Printf( "T-junction fixing disabled\n" );
+			notjunc = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-fakemap" ) )
+		{
+			Sys_Printf( "Generating fakemap.map\n" );
+			fakemap = qtrue;
+		}
+		else if( !strcmp( argv[ i ],  "-samplesize" ) )
+ 		{
+			sampleSize = atoi( argv[ i + 1 ] );
+			if( sampleSize < 1 )
+				sampleSize = 1;
+ 			i++;
+			Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
+ 		}
+		else if( !strcmp( argv[ i ],  "-custinfoparms") )
+		{
+			Sys_Printf( "Custom info parms enabled\n" );
+			useCustomInfoParms = qtrue;
+		}
+		
+		/* sof2 args */
+		else if( !strcmp( argv[ i ], "-rename" ) )
+		{
+			Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
+			renameModelShaders = qtrue;
+		}
+		
+		/* ydnar args */
+		else if( !strcmp( argv[ i ],  "-ne" ) )
+ 		{
+			normalEpsilon = atof( argv[ i + 1 ] );
+ 			i++;
+			Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
+ 		}
+		else if( !strcmp( argv[ i ],  "-de" ) )
+ 		{
+			distanceEpsilon = atof( argv[ i + 1 ] );
+ 			i++;
+			Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
+ 		}
+		else if( !strcmp( argv[ i ],  "-mv" ) )
+ 		{
+			maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
+			if( maxLMSurfaceVerts < 3 )
+				maxLMSurfaceVerts = 3;
+			if( maxLMSurfaceVerts > maxSurfaceVerts )
+				maxSurfaceVerts = maxLMSurfaceVerts;
+ 			i++;
+			Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
+ 		}
+		else if( !strcmp( argv[ i ],  "-mi" ) )
+ 		{
+			maxSurfaceIndexes = atoi( argv[ i + 1 ] );
+			if( maxSurfaceIndexes < 3 )
+				maxSurfaceIndexes = 3;
+ 			i++;
+			Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
+ 		}
+		else if( !strcmp( argv[ i ], "-np" ) )
+		{
+			npDegrees = atof( argv[ i + 1 ] );
+			if( npDegrees < 0.0f )
+				shadeAngleDegrees = 0.0f;
+			else if( npDegrees > 0.0f )
+				Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
+			i++;
+		}
+		else if( !strcmp( argv[ i ],  "-snap" ) )
+ 		{
+			bevelSnap = atoi( argv[ i + 1 ]);
+			if( bevelSnap < 0 )
+				bevelSnap = 0;
+ 			i++;
+			if( bevelSnap > 0 )
+				Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
+ 		}
+		else if( !strcmp( argv[ i ],  "-texrange" ) )
+ 		{
+			texRange = atoi( argv[ i + 1 ]);
+			if( texRange < 0 )
+				texRange = 0;
+ 			i++;
+			Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
+ 		}
+		else if( !strcmp( argv[ i ], "-nohint" ) )
+		{
+			Sys_Printf( "Hint brushes disabled\n" );
+			noHint = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-flat" ) )
+		{
+			Sys_Printf( "Flatshading enabled\n" );
+			flat = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-meta" ) )
+		{
+			Sys_Printf( "Creating meta surfaces from brush faces\n" );
+			meta = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-patchmeta" ) )
+		{
+			Sys_Printf( "Creating meta surfaces from patches\n" );
+			patchMeta = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-flares" ) )
+		{
+			Sys_Printf( "Flare surfaces enabled\n" );
+			emitFlares = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-noflares" ) )
+		{
+			Sys_Printf( "Flare surfaces disabled\n" );
+			emitFlares = qfalse;
+		}
+		else if( !strcmp( argv[ i ], "-skyfix" ) )
+		{
+			Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
+			skyFixHack = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
+		{
+			Sys_Printf( "emitting debug surfaces\n" );
+			debugSurfaces = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-debuginset" ) )
+		{
+			Sys_Printf( "Debug surface triangle insetting enabled\n" );
+			debugInset = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-debugportals" ) )
+		{
+			Sys_Printf( "Debug portal surfaces enabled\n" );
+			debugPortals = qtrue;
+		}
+		else if( !strcmp( argv[ i ], "-bsp" ) )
+			Sys_Printf( "-bsp argument unnecessary\n" );
+		else
+			Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
+	}
+	
+	/* fixme: print more useful usage here */
+	if( i != (argc - 1) )
+		Error( "usage: q3map [options] mapfile" );
+	
+	/* copy source name */
+	strcpy( source, ExpandArg( argv[ i ] ) );
+	StripExtension( source );
+	
+	/* ydnar: set default sample size */
+	SetDefaultSampleSize( sampleSize );
+	
+	/* delete portal, line and surface files */
+	sprintf( path, "%s.prt", source );
+	remove( path );
+	sprintf( path, "%s.lin", source );
+	remove( path );
+	//%	sprintf( path, "%s.srf", source );	/* ydnar */
+	//%	remove( path );
+	
+	/* expand mapname */
+	strcpy( name, ExpandArg( argv[ i ] ) );	
+	if( strcmp( name + strlen( name ) - 4, ".reg" ) )
+	{
+		/* if we are doing a full map, delete the last saved region map */
+		sprintf( path, "%s.reg", source );
+		remove( path );
+		DefaultExtension( name, ".map" );	/* might be .reg */
+	}
+	
+	/* if onlyents, just grab the entites and resave */
+	if( onlyents )
+	{
+		OnlyEnts();
+		return 0;
+	}
+	
+	/* load shaders */
+	LoadShaderInfo();
+	
+	/* load original file from temp spot in case it was renamed by the editor on the way in */
+	if( strlen( tempSource ) > 0 )
+		LoadMapFile( tempSource, qfalse );
+	else
+		LoadMapFile( name, qfalse );
+	
+	/* ydnar: decal setup */
+	ProcessDecals();
+	
+	/* ydnar: cloned brush model entities */
+	SetCloneModelNumbers();
+	
+	/* process world and submodels */
+	ProcessModels();
+	
+	/* set light styles from targetted light entities */
+	SetLightStyles();
+	
+	/* finish and write bsp */
+	EndBSPFile();
+	
+	/* remove temp map source file if appropriate */
+	if( strlen( tempSource ) > 0)
+		remove( tempSource );
+	
+	/* return to sender */
+	return 0;
+}
+