include/IPSA/TriangleExtractor.h

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#ifndef _TRIANGLE_EXTRACTOR_
#define _TRIANGLE_EXTRACTOR_
/*
 *  TriangleExtractor.h
 *  
 * Copyright (c) 2007, 2008, 2009, University of Karlsruhe (for members see AUTHORS file)
 *
 * ISC License
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Created by Manfred Kroehnert on 14.11.07.
 *
 */

#include <Inventor/nodes/SoCoordinate3.h>
#include <Inventor/nodes/SoIndexedFaceSet.h>

#include <ode/ode.h>

class SoSeparator;
template <typename T> class VertexStorage;

//typedef dVector3 odeVertexType;
typedef dReal odeVertexType[3];

class TriangleCallbackResult{
public:
                TriangleCallbackResult()
                {
                                coord3 = new SoCoordinate3;
                                coord3->point.setNum(0);
                                ifs = new SoIndexedFaceSet;
                                ifs->coordIndex.setNum(0);
                                coord3idx = 0;
                };
                inline ~TriangleCallbackResult()
                {
                                if ( NULL != coord3 )
                                                coord3->unref();
                                if ( NULL != ifs )
                                                ifs->unref();
                };
                SoCoordinate3* coord3;
                SoIndexedFaceSet* ifs;
                int coord3idx;
};

class TriangleExtractor {
public:
                TriangleExtractor(SoNode* object = NULL);
                ~TriangleExtractor();
                void execute(const SbVec3f& transvec = SbVec3f(0.0f, 0.0f, 0.0f));
                VertexStorage<odeVertexType>* getResult();
private:
                SoNode* ivModel;
                TriangleCallbackResult* result;

                static void TriangleCB(void* data, SoCallbackAction* action,
                                                       const SoPrimitiveVertex* v1,
                                                       const SoPrimitiveVertex* v2,
                                                       const SoPrimitiveVertex* v3);
};

#endif // _TRIANGLE_EXTRACTOR_

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