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-rw-r--r--3rdparty/assimp/code/VertexTriangleAdjacency.cpp132
1 files changed, 0 insertions, 132 deletions
diff --git a/3rdparty/assimp/code/VertexTriangleAdjacency.cpp b/3rdparty/assimp/code/VertexTriangleAdjacency.cpp
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--- a/3rdparty/assimp/code/VertexTriangleAdjacency.cpp
+++ /dev/null
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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 Implementation of the VertexTriangleAdjacency helper class
- */
-
-#include "AssimpPCH.h"
-
-// internal headers
-#include "VertexTriangleAdjacency.h"
-
-using namespace Assimp;
-
-// ------------------------------------------------------------------------------------------------
-VertexTriangleAdjacency::VertexTriangleAdjacency(aiFace *pcFaces,
- unsigned int iNumFaces,
- unsigned int iNumVertices /*= 0*/,
- bool bComputeNumTriangles /*= false*/)
-{
- // compute the number of referenced vertices if it wasn't specified by the caller
- const aiFace* const pcFaceEnd = pcFaces + iNumFaces;
- if (!iNumVertices) {
-
- for (aiFace* pcFace = pcFaces; pcFace != pcFaceEnd; ++pcFace) {
- ai_assert(3 == pcFace->mNumIndices);
- iNumVertices = std::max(iNumVertices,pcFace->mIndices[0]);
- iNumVertices = std::max(iNumVertices,pcFace->mIndices[1]);
- iNumVertices = std::max(iNumVertices,pcFace->mIndices[2]);
- }
- }
- unsigned int* pi;
-
- // allocate storage
- if (bComputeNumTriangles) {
- pi = mLiveTriangles = new unsigned int[iNumVertices+1];
- memset(mLiveTriangles,0,sizeof(unsigned int)*(iNumVertices+1));
- mOffsetTable = new unsigned int[iNumVertices+2]+1;
- }
- else {
- pi = mOffsetTable = new unsigned int[iNumVertices+2]+1;
- memset(mOffsetTable,0,sizeof(unsigned int)*(iNumVertices+1));
- mLiveTriangles = NULL; // important, otherwise the d'tor would crash
- }
-
- // get a pointer to the end of the buffer
- unsigned int* piEnd = pi+iNumVertices;
- *piEnd++ = 0u;
-
- // first pass: compute the number of faces referencing each vertex
- for (aiFace* pcFace = pcFaces; pcFace != pcFaceEnd; ++pcFace)
- {
- pi[pcFace->mIndices[0]]++;
- pi[pcFace->mIndices[1]]++;
- pi[pcFace->mIndices[2]]++;
- }
-
- // second pass: compute the final offset table
- unsigned int iSum = 0;
- unsigned int* piCurOut = this->mOffsetTable;
- for (unsigned int* piCur = pi; piCur != piEnd;++piCur,++piCurOut) {
-
- unsigned int iLastSum = iSum;
- iSum += *piCur;
- *piCurOut = iLastSum;
- }
- pi = this->mOffsetTable;
-
- // third pass: compute the final table
- this->mAdjacencyTable = new unsigned int[iSum];
- iSum = 0;
- for (aiFace* pcFace = pcFaces; pcFace != pcFaceEnd; ++pcFace,++iSum) {
-
- unsigned int idx = pcFace->mIndices[0];
- mAdjacencyTable[pi[idx]++] = iSum;
-
- idx = pcFace->mIndices[1];
- mAdjacencyTable[pi[idx]++] = iSum;
-
- idx = pcFace->mIndices[2];
- mAdjacencyTable[pi[idx]++] = iSum;
- }
- // fourth pass: undo the offset computations made during the third pass
- // We could do this in a separate buffer, but this would be TIMES slower.
- --mOffsetTable;
- *mOffsetTable = 0u;
-}
-// ------------------------------------------------------------------------------------------------
-VertexTriangleAdjacency::~VertexTriangleAdjacency()
-{
- // delete allocated storage
- delete[] mOffsetTable;
- delete[] mAdjacencyTable;
- delete[] mLiveTriangles;
-}