initial importHEADmain

1 files changed, 89 insertions, 0 deletions

diff --git a/tool_src/BspLib/Mapping.h b/tool_src/BspLib/Mapping.h
new file mode 100644
index 0000000..52d01d0
--- /dev/null
+++ b/tool_src/BspLib/Mapping.h
@@ -0,0 +1,89 @@
+//-----------------------------------------------------------------------------
+//	BSPLIB HEADER: Mapping.h
+//
+//  Copyright (c) 1996-1998 by Markus Hadwiger
+//  All Rights Reserved.
+//-----------------------------------------------------------------------------
+
+#ifndef _MAPPING_H_
+#define _MAPPING_H_
+
+// bsplib header files
+#include "BspLibDefs.h"
+#include "Chunk.h"
+#include "SystemIO.h"
+#include "Vertex.h"
+
+
+BSPLIB_NAMESPACE_BEGIN
+
+
+#define V_FACEVTXMAX 32 // vertices per face (actually, per polygon)
+
+
+// class that describes mapping for face with many vertices -------------------
+//
+class Mapping : public virtual SystemIO {
+
+	void		Error( int vertindx );
+
+public:
+	Mapping() { numvertexindxs = 0; }
+	~Mapping() { }
+
+	void		InsertFaceVertex( int vindx ) { facevertexindxs[ numvertexindxs++ ] = vindx; }
+	void		SetCorrespondence( int vindx, Vertex2 vertex );
+	Vertex2		FetchMapPoint( int vertindx );
+
+	int			getNumVertices() { return numvertexindxs; }
+	void		setNumVertices( int num ) { numvertexindxs = num; }
+	void		setMappingCoordinates( int k, const Vertex2& vertex);
+
+	void		WriteMappingInfo( FILE *fp ) const;
+
+private:
+	int			numvertexindxs;
+	int			facevertexindxs[ V_FACEVTXMAX ];
+	Vertex2		mappingcoordinates[ V_FACEVTXMAX ];
+};
+
+// typedef chunk of mappings --------------------------------------------------
+typedef Chunk<Mapping> MappingChunk;
+
+// set mapping coordinates ----------------------------------------------------
+inline void Mapping::setMappingCoordinates( int k, const Vertex2& vertex)
+{
+	if ( k < V_FACEVTXMAX )
+		mappingcoordinates[ k ] = vertex;
+	else
+		Error( k );
+}
+
+// set single correspondence -------------------------------------------------
+inline void Mapping::SetCorrespondence( int vindx, Vertex2 vertex )
+{
+	if ( numvertexindxs < V_FACEVTXMAX ) {
+		facevertexindxs[ numvertexindxs ] = vindx;
+		mappingcoordinates[ numvertexindxs ] = vertex;
+		numvertexindxs++;
+	} else {
+		Error( numvertexindxs );
+	}
+}
+
+// fetch corresponding mapping to face vertex ---------------------------------
+inline Vertex2 Mapping::FetchMapPoint( int vertindx )
+{
+	for ( int i = 0; i < numvertexindxs; i++ )
+		if ( facevertexindxs[ i ] == vertindx )
+			return mappingcoordinates[ i ];
+	Error( vertindx );
+	return Vertex2( 0, 0 );	// never reached
+}
+
+
+BSPLIB_NAMESPACE_END
+
+
+#endif // _MAPPING_H_
+