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/*
Copyright (c) 2013 Khaled Mammou - Advanced Micro Devices, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#pragma once
#ifndef O3DGC_TRIANGLE_LIST_ENCODER_H
#define O3DGC_TRIANGLE_LIST_ENCODER_H
#include "o3dgcCommon.h"
#include "o3dgcAdjacencyInfo.h"
#include "o3dgcBinaryStream.h"
#include "o3dgcFIFO.h"
#include "o3dgcTriangleFans.h"
namespace o3dgc
{
//!
template <class T>
class TriangleListEncoder
{
public:
//! Constructor.
TriangleListEncoder(void);
//! Destructor.
~TriangleListEncoder(void);
//!
O3DGCErrorCode Encode(const T * const triangles,
const unsigned long * const indexBufferIDs,
const long numTriangles,
const long numVertices,
BinaryStream & bstream);
O3DGCStreamType GetStreamType() const { return m_streamType; }
void SetStreamType(O3DGCStreamType streamType) { m_streamType = streamType; }
const long * GetInvVMap() const { return m_invVMap;}
const long * GetInvTMap() const { return m_invTMap;}
const long * GetVMap() const { return m_vmap;}
const long * GetTMap() const { return m_tmap;}
const AdjacencyInfo & GetVertexToTriangle() const { return m_vertexToTriangle;}
private:
O3DGCErrorCode Init(const T * const triangles,
long numTriangles,
long numVertices);
O3DGCErrorCode CompueLocalConnectivityInfo(const long focusVertex);
O3DGCErrorCode ProcessVertex( long focusVertex);
O3DGCErrorCode ComputeTFANDecomposition(const long focusVertex);
O3DGCErrorCode CompressTFAN(const long focusVertex);
long m_vertexCount;
long m_triangleCount;
long m_maxNumVertices;
long m_maxNumTriangles;
long m_numNonConqueredTriangles;
long m_numConqueredTriangles;
long m_numVisitedVertices;
long m_numTriangles;
long m_numVertices;
long m_maxSizeVertexToTriangle;
T const * m_triangles;
long * m_vtags;
long * m_ttags;
long * m_vmap;
long * m_invVMap;
long * m_tmap;
long * m_invTMap;
long * m_count;
long * m_nonConqueredTriangles;
long * m_nonConqueredEdges;
long * m_visitedVertices;
long * m_visitedVerticesValence;
FIFO<long> m_vfifo;
AdjacencyInfo m_vertexToTriangle;
AdjacencyInfo m_triangleToTriangle;
AdjacencyInfo m_triangleToTriangleInv;
TriangleFans m_tfans;
CompressedTriangleFans m_ctfans;
O3DGCStreamType m_streamType;
};
}
#include "o3dgcTriangleListEncoder.inl" // template implementation
#endif // O3DGC_TRIANGLE_LIST_ENCODER_H
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