1 files changed, 258 insertions, 0 deletions
diff --git a/tool_src/BspLib/BspObject.h b/tool_src/BspLib/BspObject.h
new file mode 100644
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+++ b/tool_src/BspLib/BspObject.h
@@ -0,0 +1,258 @@
+//-----------------------------------------------------------------------------
+//	BSPLIB HEADER: BspObject.h
+//
+//  Copyright (c) 1996-1998 by Markus Hadwiger
+//  All Rights Reserved.
+//-----------------------------------------------------------------------------
+
+#ifndef _BSPOBJECT_H_
+#define _BSPOBJECT_H_
+
+// bsplib header files
+#include "BspLibDefs.h"
+#include "SystemIO.h"
+#include "Chunk.h"
+#include "Face.h"
+#include "Mapping.h"
+#include "PolygonList.h"
+#include "BSPTree.h"
+#include "Texture.h"
+#include "Transform3.h"
+#include "Vertex.h"
+
+
+BSPLIB_NAMESPACE_BEGIN
+
+
+class BoundingBox;
+
+
+// base class for BspObject providing data members ----------------------------
+//
+class BspObjectInfo {
+
+	friend class BspObject;
+
+private:
+	BspObjectInfo();
+	~BspObjectInfo() { }
+
+public:
+	int	getNumVertices() const		{ return numvertices; }
+	int	getNumPolygons() const		{ return numpolygons; }
+	int	getNumFaces() const			{ return numfaces; }
+
+	int	getInputVertices() const	{ return numvertices_in; }
+	int	getInputPolygons() const	{ return numpolygons_in; }
+	int	getInputFaces() const		{ return numfaces_in; }
+
+	int getBspPolygons() const		{ return numbsppolygons; }
+	int getPreBspPolygons() const	{ return numpolygons_before_bsp; }
+
+	int	getNumTextures() const		{ return numtextures; }
+	int	getNumMappings() const		{ return numcorrespondences; }
+	int	getNumNormals() const		{ return numnormals; }
+	int	getNumTexturedFaces() const	{ return numtexmappedfaces; }
+
+	int getNumTraceVertices() const	{ return numtracevertices; }
+	int getNumMultiVertices() const	{ return nummultvertices; }
+	int getNumSplitQuads() const	{ return numsplitquadrilaterals; }
+
+protected:
+	int numvertices;				// number of vertices in vertexlist
+	int numpolygons;				// number of polygons in polygonlist
+	int numfaces;					// number of faces in facelist
+	int numtextures;				// number of textures in texturelist
+	int numcorrespondences;			// number of correspondences in mappinglist
+
+	int numnormals;					// number of faces with valid normals
+	int numtexmappedfaces;			// number of texture mapped faces
+
+	int numvertices_in;				// copy of numvertices directly after parse
+	int numpolygons_in;				// copy of numpolygons directly after parse
+	int numfaces_in;				// copy of numfaces directly after parse
+
+	int numbsppolygons;				// number of polygons contained in bsp tree
+	int numpolygons_before_bsp;		// copy of numpolygons before start of bsp compilation
+
+	int numtracevertices;			// number of vertices for edge tracing
+	int nummultvertices;			// number of multiply contained vertices
+	int numsplitquadrilaterals;		// number of quadrilaterals split into triangles
+};
+
+
+// class describing a generic 3-D object in BspLib ----------------------------
+//
+class BspObject : public BspObjectInfo, public virtual SystemIO {
+
+	friend class BoundingBox;
+	friend class BspObjectListRep;
+	friend class Face;
+	friend class ObjectBSPNode;
+	friend class Polygon;
+
+	friend class VrmlFile;
+
+public:
+	BspObject();
+	~BspObject() { delete objectname; delete next; }
+
+	BspObject( const BspObject& copyobj );
+	BspObject& operator =( const BspObject& copyobj );
+
+	// merge another BspObject into this object. this renumbers the other
+	// object's vertices, faces, polygons, and vertexindexes in polygons
+	void			MergeObjects( BspObject *mergeobj );
+
+	void			CollapseObjectList();		// collapse entire list into this object
+
+	BoundingBox*	BuildBoundingBoxList();		// build a list of bounding boxes
+
+	BSPNode*		BuildBSPTree();				// build bsp tree from polygon list
+	BSPNode*		BuildBSPTreeFromFlat();		// build bsp tree from flat representation
+
+	int				BspTreeAvailable();			// any bsp tree available?
+	int				BSPTreeAvailable();			// linked bsp tree available?
+	int				BSPTreeFlatAvailable();		// flat bsp tree available?
+
+	// processing functions (typically passed through to primitives)
+	void			CalcBoundingBoxes();		// operates on bsp tree only
+	void			CalcSeparatorPlanes();		// operates on bsp tree only
+	void			CheckEdges();				// operates on bsp tree only
+	void			CheckPolygonPlanes();		// operates on polygon list only
+	void			CheckVertices( int verbose ); // scans entire vertex list
+	void			CalcPlaneNormals();			// operates on polygon list only
+	void			CheckParsedData();			// some consistency checks
+	void			UpdateAttributeNumbers();	// calc length of lists
+
+	int				ConvertColorIndexesToRGB( char *palette, int changemode );
+
+	// return bounding box extents for this object
+	void			CalcBoundingBox( Vertex3& minvertex, Vertex3& maxvertex );
+
+	// display some object statistics
+	void			DisplayStatistics();
+
+	// ASCII output functions that have to be implemented by
+	// derived ObjectXXXFormat classes.
+	// must not be pure virtual!
+	virtual int		WriteVertexList( FileAccess& fp ) { return FALSE; }
+	virtual int		WritePolygonList( FileAccess& fp ) { return FALSE; }
+	virtual int		WriteFaceList( FileAccess& fp ) { return FALSE; }
+	virtual int		WriteFaceProperties( FileAccess& fp ) { return FALSE; }
+	virtual int		WriteTextureList( FileAccess& fp ) { return FALSE; }
+	virtual int		WriteMappingList( FileAccess& fp ) { return FALSE; }
+	virtual int		WriteNormals( FileAccess& fp ) { return FALSE; }
+	virtual int		WriteBSPTree( FileAccess& fp ) { return FALSE; }
+
+	// return contained objects
+	VertexChunk&	getVertexList()		{ return vertexlist; }
+	PolygonList&	getPolygonList()	{ return polygonlist; }
+	FaceChunk&		getFaceList()		{ return facelist; }
+	TextureChunk&	getTextureList()	{ return texturelist; }
+	MappingChunk&	getMappingList()	{ return mappinglist; }
+	BSPTree&		getBSPTree()		{ return bsptree; }
+	BSPTreeFlat&	getBSPTreeFlat()	{ return bsptreeflat; }
+
+	// get/set object's name-string
+	char*			getObjectName()	const { return objectname; }
+	void			setObjectName( char *name );
+
+	// get/set object's local transformation
+	Vertex3			getCenterInWorldSpace() const { return objecttrafo.FetchTranslation(); }
+	Transform3		getObjectTransformation() const { return objecttrafo; }
+	void			setObjectTransformation( const Transform3& ot ) { objecttrafo = ot; }
+
+	// scale entire object (all vertices)
+	void			ApplyScale( double scalefac );
+
+	// apply translation to all coordinates and set center to (0,0,0)
+	void			ApplyCenter();
+
+	// apply transformation matrix and set to identity afterwards
+	void			ApplyTransformation();
+
+	// return next object in list
+	BspObject*		getNext() const { return next; }
+
+private:
+	void			InconsistencyError( const char *err );
+
+public:
+	static int		getEliminateDoubletsOnMergeFlag() { return check_vertex_doublets_on_merge; }
+	static void		setEliminateDoubletsOnMergeFlag( int flag ) { check_vertex_doublets_on_merge = flag; }
+
+private:
+	static int		check_vertex_doublets_on_merge;
+
+protected:
+	// contained objects
+	VertexChunk		vertexlist;		// list of vertices
+	PolygonList		polygonlist;	// list of polygons
+	FaceChunk		facelist;		// list of faces
+	TextureChunk	texturelist;	// list of textures
+	MappingChunk	mappinglist;	// list of mappings
+	BSPTree			bsptree;		// linked bsp tree
+	BSPTreeFlat		bsptreeflat;	// flat bsp tree
+	Transform3		objecttrafo;	// attached transformation
+
+	// object's name if any defined
+	char*			objectname;
+
+	// pointer to next object in list
+	BspObject*		next;
+};
+
+// copy constructor -----------------------------------------------------------
+inline BspObject::BspObject( const BspObject& copyobj ) :
+	BspObjectInfo( copyobj ),
+	vertexlist( copyobj.vertexlist ),
+	polygonlist( copyobj.polygonlist ),
+	facelist( copyobj.facelist ),
+	texturelist( copyobj.texturelist ),
+	mappinglist( copyobj.mappinglist ),
+	bsptree( copyobj.bsptree ),
+	bsptreeflat( copyobj.bsptreeflat ),
+	objecttrafo( copyobj.objecttrafo )
+{
+	// copy object's name
+	objectname = NULL;
+	setObjectName( copyobj.objectname );
+
+	// unlink tail of list
+	next = NULL;
+}
+
+// assignment operator --------------------------------------------------------
+inline BspObject& BspObject::operator =( const BspObject& copyobj )
+{
+	if ( &copyobj != this ) {
+
+		// copy info part
+		*(BspObjectInfo *)this = copyobj;
+
+		// copy contained objects
+		vertexlist	= copyobj.vertexlist;
+		polygonlist	= copyobj.polygonlist;
+		facelist	= copyobj.facelist;
+		texturelist	= copyobj.texturelist;
+		mappinglist	= copyobj.mappinglist;
+		bsptree		= copyobj.bsptree;
+		bsptreeflat	= copyobj.bsptreeflat;
+		objecttrafo	= copyobj.objecttrafo;
+
+		// copy object's name
+		setObjectName( copyobj.objectname );
+
+		// unlink tail of list
+		next = NULL;
+	}
+	return *this;
+}
+
+
+BSPLIB_NAMESPACE_END
+
+
+#endif // _BSPOBJECT_H_
+