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# csgfx/normalmaptools.h

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    00001 /*
    00002   Copyright (C) 2004 by Frank Richter
    00003
    00004   This library is free software; you can redistribute it and/or
    00005   modify it under the terms of the GNU Library General Public
    00006   License as published by the Free Software Foundation; either
    00007   version 2 of the License, or (at your option) any later version.
    00008
    00009   This library is distributed in the hope that it will be useful,
    00010   but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00012   Library General Public License for more details.
    00013
    00014   You should have received a copy of the GNU Library General Public
    00015   License along with this library; if not, write to the Free
    00016   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00017 */
    00018
    00027 #ifndef __CS_CSGFX_NORMALMAPTOOLS_H__
    00028 #define __CS_CSGFX_NORMALMAPTOOLS_H__
    00029
    00030 #include "csextern.h"
    00031
    00032 struct csTriangle;
    00033 class csVector3;
    00034 class csVector2;
    00035
    00039 class CS_CRYSTALSPACE_EXPORT csNormalMappingTools
    00040 {
    00041 public:
    00045   static void CalculateTangents (size_t numTriangles,
    00046     const csTriangle* triangles, size_t numVertices, const csVector3* vertices,
    00047     const csVector3* normals, const csVector2* texcoords,
    00048     csVector3* outTangents, csVector3* outBitangents);
    00049 };
    00050
    00053 #endif // __CS_CSGFX_NORMALMAPTOOLS_H__