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Diffstat (limited to 'src/mesh/assimp-master/contrib/Open3DGC/o3dgcTriangleListDecoder.h')
| -rw-r--r-- | src/mesh/assimp-master/contrib/Open3DGC/o3dgcTriangleListDecoder.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/contrib/Open3DGC/o3dgcTriangleListDecoder.h b/src/mesh/assimp-master/contrib/Open3DGC/o3dgcTriangleListDecoder.h new file mode 100644 index 0000000..65df526 --- /dev/null +++ b/src/mesh/assimp-master/contrib/Open3DGC/o3dgcTriangleListDecoder.h @@ -0,0 +1,133 @@ +/* +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_DECODER_H +#define O3DGC_TRIANGLE_LIST_DECODER_H + +#include "o3dgcCommon.h" +#include "o3dgcTriangleFans.h" +#include "o3dgcBinaryStream.h" +#include "o3dgcAdjacencyInfo.h" + +namespace o3dgc +{ + + //! + template <class T> + class TriangleListDecoder + { + public: + //! Constructor. + TriangleListDecoder(void) + { + m_vertexCount = 0; + m_triangleCount = 0; + m_numTriangles = 0; + m_numVertices = 0; + m_triangles = 0; + m_numConqueredTriangles = 0; + m_numVisitedVertices = 0; + m_visitedVertices = 0; + m_visitedVerticesValence = 0; + m_maxNumVertices = 0; + m_maxNumTriangles = 0; + m_itNumTFans = 0; + m_itDegree = 0; + m_itConfig = 0; + m_itOperation = 0; + m_itIndex = 0; + m_tempTriangles = 0; + m_tempTrianglesSize = 0; + m_decodeTrianglesOrder = false; + m_decodeVerticesOrder = false; + }; + //! Destructor. + ~TriangleListDecoder(void) + { + delete [] m_tempTriangles; + }; + + O3DGCStreamType GetStreamType() const { return m_streamType; } + bool GetReorderTriangles() const { return m_decodeTrianglesOrder; } + bool GetReorderVertices() const { return m_decodeVerticesOrder; } + void SetStreamType(O3DGCStreamType streamType) { m_streamType = streamType; } + const AdjacencyInfo & GetVertexToTriangle() const { return m_vertexToTriangle;} + O3DGCErrorCode Decode(T * const triangles, + const long numTriangles, + const long numVertices, + const BinaryStream & bstream, + unsigned long & iterator) + { + unsigned char compressionMask = bstream.ReadUChar(iterator, m_streamType); + m_decodeTrianglesOrder = ( (compressionMask&2) != 0); + m_decodeVerticesOrder = ( (compressionMask&1) != 0); + if (m_decodeVerticesOrder) // vertices reordering not supported + { + return O3DGC_ERROR_NON_SUPPORTED_FEATURE; + } + unsigned long maxSizeV2T = bstream.ReadUInt32(iterator, m_streamType); + Init(triangles, numTriangles, numVertices, maxSizeV2T); + m_ctfans.Load(bstream, iterator, m_decodeTrianglesOrder, m_streamType); + Decompress(); + return O3DGC_OK; + } + O3DGCErrorCode Reorder(); + + private: + O3DGCErrorCode Init(T * const triangles, + const long numTriangles, + const long numVertices, + const long maxSizeV2T); + O3DGCErrorCode Decompress(); + O3DGCErrorCode CompueLocalConnectivityInfo(const long focusVertex); + O3DGCErrorCode DecompressTFAN(const long focusVertex); + + unsigned long m_itNumTFans; + unsigned long m_itDegree; + unsigned long m_itConfig; + unsigned long m_itOperation; + unsigned long m_itIndex; + long m_maxNumVertices; + long m_maxNumTriangles; + long m_numTriangles; + long m_numVertices; + long m_tempTrianglesSize; + T * m_triangles; + T * m_tempTriangles; + long m_vertexCount; + long m_triangleCount; + long m_numConqueredTriangles; + long m_numVisitedVertices; + long * m_visitedVertices; + long * m_visitedVerticesValence; + AdjacencyInfo m_vertexToTriangle; + CompressedTriangleFans m_ctfans; + TriangleFans m_tfans; + O3DGCStreamType m_streamType; + bool m_decodeTrianglesOrder; + bool m_decodeVerticesOrder; + }; +} +#include "o3dgcTriangleListDecoder.inl" // template implementation +#endif // O3DGC_TRIANGLE_LIST_DECODER_H + |