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-/*
-Open Asset Import Library (ASSIMP)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2010, ASSIMP Development Team
-All rights reserved.
-
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the
-following conditions are met:
-
-* Redistributions of source code must retain the above
- copyright notice, this list of conditions and the
- following disclaimer.
-
-* Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the
- following disclaimer in the documentation and/or other
- materials provided with the distribution.
-
-* Neither the name of the ASSIMP team, nor the names of its
- contributors may be used to endorse or promote products
- derived from this software without specific prior
- written permission of the ASSIMP Development Team.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-*/
-
-/** @file Defines a helper class to compute a vertex-triangle adjacency map */
-#ifndef AI_VTADJACENCY_H_INC
-#define AI_VTADJACENCY_H_INC
-
-#include "BaseProcess.h"
-#include "../include/aiTypes.h"
-#include "../include/aiAssert.h"
-
-struct aiMesh;
-namespace Assimp {
-
-// --------------------------------------------------------------------------------------------
-/** @brief The VertexTriangleAdjacency class computes a vertex-triangle
- * adjacency map from a given index buffer.
- *
- * @note Although it is called #VertexTriangleAdjacency, the current version does also
- * support arbitrary polygons. */
-// --------------------------------------------------------------------------------------------
-class ASSIMP_API VertexTriangleAdjacency
-{
-public:
-
- // ----------------------------------------------------------------------------
- /** @brief Construction from an existing index buffer
- * @param pcFaces Index buffer
- * @param iNumFaces Number of faces in the buffer
- * @param iNumVertices Number of referenced vertices. This value
- * is computed automatically if 0 is specified.
- * @param bComputeNumTriangles If you want the class to compute
- * a list containing the number of referenced triangles per vertex
- * per vertex - pass true. */
- VertexTriangleAdjacency(aiFace* pcFaces,unsigned int iNumFaces,
- unsigned int iNumVertices = 0,
- bool bComputeNumTriangles = true);
-
-
- // ----------------------------------------------------------------------------
- /** @brief Destructor */
- ~VertexTriangleAdjacency();
-
-
-public:
-
- // ----------------------------------------------------------------------------
- /** @brief Get all triangles adjacent to a vertex
- * @param iVertIndex Index of the vertex
- * @return A pointer to the adjacency list. */
- unsigned int* GetAdjacentTriangles(unsigned int iVertIndex) const
- {
- ai_assert(iVertIndex < iNumVertices);
- return &mAdjacencyTable[ mOffsetTable[iVertIndex]];
- }
-
-
- // ----------------------------------------------------------------------------
- /** @brief Get the number of triangles that are referenced by
- * a vertex. This function returns a reference that can be modified
- * @param iVertIndex Index of the vertex
- * @return Number of referenced triangles */
- unsigned int& GetNumTrianglesPtr(unsigned int iVertIndex)
- {
- ai_assert(iVertIndex < iNumVertices && NULL != mLiveTriangles);
- return mLiveTriangles[iVertIndex];
- }
-
-
-public:
-
- //! Offset table
- unsigned int* mOffsetTable;
-
- //! Adjacency table
- unsigned int* mAdjacencyTable;
-
- //! Table containing the number of referenced triangles per vertex
- unsigned int* mLiveTriangles;
-
- //! Debug: Number of referenced vertices
- unsigned int iNumVertices;
-
-};
-}
-
-#endif // !! AI_VTADJACENCY_H_INC