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Diffstat (limited to 'thirdparty/assimp/code/SplitLargeMeshes.cpp')
| -rw-r--r-- | thirdparty/assimp/code/SplitLargeMeshes.cpp | 623 |
1 files changed, 623 insertions, 0 deletions
diff --git a/thirdparty/assimp/code/SplitLargeMeshes.cpp b/thirdparty/assimp/code/SplitLargeMeshes.cpp new file mode 100644 index 0000000000..1797b28d5a --- /dev/null +++ b/thirdparty/assimp/code/SplitLargeMeshes.cpp @@ -0,0 +1,623 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2019, assimp 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 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 SplitLargeMeshes postprocessing step + */ + +// internal headers of the post-processing framework +#include "SplitLargeMeshes.h" +#include "ProcessHelper.h" + +using namespace Assimp; + +// ------------------------------------------------------------------------------------------------ +SplitLargeMeshesProcess_Triangle::SplitLargeMeshesProcess_Triangle() { + LIMIT = AI_SLM_DEFAULT_MAX_TRIANGLES; +} + +// ------------------------------------------------------------------------------------------------ +SplitLargeMeshesProcess_Triangle::~SplitLargeMeshesProcess_Triangle() { + // nothing to do here +} + +// ------------------------------------------------------------------------------------------------ +// Returns whether the processing step is present in the given flag field. +bool SplitLargeMeshesProcess_Triangle::IsActive( unsigned int pFlags) const { + return (pFlags & aiProcess_SplitLargeMeshes) != 0; +} + +// ------------------------------------------------------------------------------------------------ +// Executes the post processing step on the given imported data. +void SplitLargeMeshesProcess_Triangle::Execute( aiScene* pScene) { + if (0xffffffff == this->LIMIT || nullptr == pScene ) { + return; + } + + ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Triangle begin"); + std::vector<std::pair<aiMesh*, unsigned int> > avList; + + for( unsigned int a = 0; a < pScene->mNumMeshes; ++a) { + this->SplitMesh(a, pScene->mMeshes[a],avList); + } + + if (avList.size() != pScene->mNumMeshes) { + // it seems something has been split. rebuild the mesh list + delete[] pScene->mMeshes; + pScene->mNumMeshes = (unsigned int)avList.size(); + pScene->mMeshes = new aiMesh*[avList.size()]; + + for (unsigned int i = 0; i < avList.size();++i) { + pScene->mMeshes[i] = avList[i].first; + } + + // now we need to update all nodes + this->UpdateNode(pScene->mRootNode,avList); + ASSIMP_LOG_INFO("SplitLargeMeshesProcess_Triangle finished. Meshes have been split"); + } else { + ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Triangle finished. There was nothing to do"); + } +} + +// ------------------------------------------------------------------------------------------------ +// Setup properties +void SplitLargeMeshesProcess_Triangle::SetupProperties( const Importer* pImp) { + // get the current value of the split property + this->LIMIT = pImp->GetPropertyInteger(AI_CONFIG_PP_SLM_TRIANGLE_LIMIT,AI_SLM_DEFAULT_MAX_TRIANGLES); +} + +// ------------------------------------------------------------------------------------------------ +// Update a node after some meshes have been split +void SplitLargeMeshesProcess_Triangle::UpdateNode(aiNode* pcNode, + const std::vector<std::pair<aiMesh*, unsigned int> >& avList) { + // for every index in out list build a new entry + std::vector<unsigned int> aiEntries; + aiEntries.reserve(pcNode->mNumMeshes + 1); + for (unsigned int i = 0; i < pcNode->mNumMeshes;++i) { + for (unsigned int a = 0; a < avList.size();++a) { + if (avList[a].second == pcNode->mMeshes[i]) { + aiEntries.push_back(a); + } + } + } + + // now build the new list + delete[] pcNode->mMeshes; + pcNode->mNumMeshes = (unsigned int)aiEntries.size(); + pcNode->mMeshes = new unsigned int[pcNode->mNumMeshes]; + + for (unsigned int b = 0; b < pcNode->mNumMeshes;++b) { + pcNode->mMeshes[b] = aiEntries[b]; + } + + // recusively update all other nodes + for (unsigned int i = 0; i < pcNode->mNumChildren;++i) { + UpdateNode ( pcNode->mChildren[i], avList ); + } +} + +// ------------------------------------------------------------------------------------------------ +// Executes the post processing step on the given imported data. +void SplitLargeMeshesProcess_Triangle::SplitMesh( + unsigned int a, + aiMesh* pMesh, + std::vector<std::pair<aiMesh*, unsigned int> >& avList) { + if (pMesh->mNumFaces > SplitLargeMeshesProcess_Triangle::LIMIT) { + ASSIMP_LOG_INFO("Mesh exceeds the triangle limit. It will be split ..."); + + // we need to split this mesh into sub meshes + // determine the size of a submesh + const unsigned int iSubMeshes = (pMesh->mNumFaces / LIMIT) + 1; + + const unsigned int iOutFaceNum = pMesh->mNumFaces / iSubMeshes; + const unsigned int iOutVertexNum = iOutFaceNum * 3; + + // now generate all submeshes + for (unsigned int i = 0; i < iSubMeshes;++i) { + aiMesh* pcMesh = new aiMesh; + pcMesh->mNumFaces = iOutFaceNum; + pcMesh->mMaterialIndex = pMesh->mMaterialIndex; + + // the name carries the adjacency information between the meshes + pcMesh->mName = pMesh->mName; + + if (i == iSubMeshes-1) { + pcMesh->mNumFaces = iOutFaceNum + ( + pMesh->mNumFaces - iOutFaceNum * iSubMeshes); + } + // copy the list of faces + pcMesh->mFaces = new aiFace[pcMesh->mNumFaces]; + + const unsigned int iBase = iOutFaceNum * i; + + // get the total number of indices + unsigned int iCnt = 0; + for (unsigned int p = iBase; p < pcMesh->mNumFaces + iBase;++p) { + iCnt += pMesh->mFaces[p].mNumIndices; + } + pcMesh->mNumVertices = iCnt; + + // allocate storage + if (pMesh->mVertices != nullptr) { + pcMesh->mVertices = new aiVector3D[iCnt]; + } + + if (pMesh->HasNormals()) { + pcMesh->mNormals = new aiVector3D[iCnt]; + } + + if (pMesh->HasTangentsAndBitangents()) { + pcMesh->mTangents = new aiVector3D[iCnt]; + pcMesh->mBitangents = new aiVector3D[iCnt]; + } + + // texture coordinates + for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS;++c) { + pcMesh->mNumUVComponents[c] = pMesh->mNumUVComponents[c]; + if (pMesh->HasTextureCoords( c)) { + pcMesh->mTextureCoords[c] = new aiVector3D[iCnt]; + } + } + + // vertex colors + for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS;++c) { + if (pMesh->HasVertexColors( c)) { + pcMesh->mColors[c] = new aiColor4D[iCnt]; + } + } + + if (pMesh->HasBones()) { + // assume the number of bones won't change in most cases + pcMesh->mBones = new aiBone*[pMesh->mNumBones]; + + // iterate through all bones of the mesh and find those which + // need to be copied to the split mesh + std::vector<aiVertexWeight> avTempWeights; + for (unsigned int p = 0; p < pcMesh->mNumBones;++p) { + aiBone* const bone = pcMesh->mBones[p]; + avTempWeights.clear(); + avTempWeights.reserve(bone->mNumWeights / iSubMeshes); + + for (unsigned int q = 0; q < bone->mNumWeights;++q) { + aiVertexWeight& weight = bone->mWeights[q]; + if(weight.mVertexId >= iBase && weight.mVertexId < iBase + iOutVertexNum) { + avTempWeights.push_back(weight); + weight = avTempWeights.back(); + weight.mVertexId -= iBase; + } + } + + if (!avTempWeights.empty()) { + // we'll need this bone. Copy it ... + aiBone* pc = new aiBone(); + pcMesh->mBones[pcMesh->mNumBones++] = pc; + pc->mName = aiString(bone->mName); + pc->mNumWeights = (unsigned int)avTempWeights.size(); + pc->mOffsetMatrix = bone->mOffsetMatrix; + + // no need to reallocate the array for the last submesh. + // Here we can reuse the (large) source array, although + // we'll waste some memory + if (iSubMeshes-1 == i) { + pc->mWeights = bone->mWeights; + bone->mWeights = nullptr; + } else { + pc->mWeights = new aiVertexWeight[pc->mNumWeights]; + } + + // copy the weights + ::memcpy(pc->mWeights,&avTempWeights[0],sizeof(aiVertexWeight)*pc->mNumWeights); + } + } + } + + // (we will also need to copy the array of indices) + unsigned int iCurrent = 0; + for (unsigned int p = 0; p < pcMesh->mNumFaces;++p) { + pcMesh->mFaces[p].mNumIndices = 3; + // allocate a new array + const unsigned int iTemp = p + iBase; + const unsigned int iNumIndices = pMesh->mFaces[iTemp].mNumIndices; + + // setup face type and number of indices + pcMesh->mFaces[p].mNumIndices = iNumIndices; + unsigned int* pi = pMesh->mFaces[iTemp].mIndices; + unsigned int* piOut = pcMesh->mFaces[p].mIndices = new unsigned int[iNumIndices]; + + // need to update the output primitive types + switch (iNumIndices) { + case 1: + pcMesh->mPrimitiveTypes |= aiPrimitiveType_POINT; + break; + case 2: + pcMesh->mPrimitiveTypes |= aiPrimitiveType_LINE; + break; + case 3: + pcMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE; + break; + default: + pcMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON; + } + + // and copy the contents of the old array, offset by current base + for (unsigned int v = 0; v < iNumIndices;++v) { + unsigned int iIndex = pi[v]; + unsigned int iIndexOut = iCurrent++; + piOut[v] = iIndexOut; + + // copy positions + if (pMesh->mVertices != nullptr) { + pcMesh->mVertices[iIndexOut] = pMesh->mVertices[iIndex]; + } + + // copy normals + if (pMesh->HasNormals()) { + pcMesh->mNormals[iIndexOut] = pMesh->mNormals[iIndex]; + } + + // copy tangents/bitangents + if (pMesh->HasTangentsAndBitangents()) { + pcMesh->mTangents[iIndexOut] = pMesh->mTangents[iIndex]; + pcMesh->mBitangents[iIndexOut] = pMesh->mBitangents[iIndex]; + } + + // texture coordinates + for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS;++c) { + if (pMesh->HasTextureCoords( c ) ) { + pcMesh->mTextureCoords[c][iIndexOut] = pMesh->mTextureCoords[c][iIndex]; + } + } + // vertex colors + for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS;++c) { + if (pMesh->HasVertexColors( c)) { + pcMesh->mColors[c][iIndexOut] = pMesh->mColors[c][iIndex]; + } + } + } + } + + // add the newly created mesh to the list + avList.push_back(std::pair<aiMesh*, unsigned int>(pcMesh,a)); + } + + // now delete the old mesh data + delete pMesh; + } else { + avList.push_back(std::pair<aiMesh*, unsigned int>(pMesh,a)); + } +} + +// ------------------------------------------------------------------------------------------------ +SplitLargeMeshesProcess_Vertex::SplitLargeMeshesProcess_Vertex() { + LIMIT = AI_SLM_DEFAULT_MAX_VERTICES; +} + +// ------------------------------------------------------------------------------------------------ +SplitLargeMeshesProcess_Vertex::~SplitLargeMeshesProcess_Vertex() { + // nothing to do here +} + +// ------------------------------------------------------------------------------------------------ +// Returns whether the processing step is present in the given flag field. +bool SplitLargeMeshesProcess_Vertex::IsActive( unsigned int pFlags) const { + return (pFlags & aiProcess_SplitLargeMeshes) != 0; +} + +// ------------------------------------------------------------------------------------------------ +// Executes the post processing step on the given imported data. +void SplitLargeMeshesProcess_Vertex::Execute( aiScene* pScene) { + if (0xffffffff == this->LIMIT || nullptr == pScene ) { + return; + } + + ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Vertex begin"); + + std::vector<std::pair<aiMesh*, unsigned int> > avList; + + //Check for point cloud first, + //Do not process point cloud, splitMesh works only with faces data + for (unsigned int a = 0; a < pScene->mNumMeshes; a++) { + if ( pScene->mMeshes[a]->mPrimitiveTypes == aiPrimitiveType_POINT ) { + return; + } + } + + for( unsigned int a = 0; a < pScene->mNumMeshes; ++a ) { + this->SplitMesh(a, pScene->mMeshes[a], avList); + } + + if (avList.size() != pScene->mNumMeshes) { + // it seems something has been split. rebuild the mesh list + delete[] pScene->mMeshes; + pScene->mNumMeshes = (unsigned int)avList.size(); + pScene->mMeshes = new aiMesh*[avList.size()]; + + for (unsigned int i = 0; i < avList.size();++i) { + pScene->mMeshes[i] = avList[i].first; + } + + // now we need to update all nodes + SplitLargeMeshesProcess_Triangle::UpdateNode(pScene->mRootNode,avList); + ASSIMP_LOG_INFO("SplitLargeMeshesProcess_Vertex finished. Meshes have been split"); + } else { + ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Vertex finished. There was nothing to do"); + } +} + +// ------------------------------------------------------------------------------------------------ +// Setup properties +void SplitLargeMeshesProcess_Vertex::SetupProperties( const Importer* pImp) { + this->LIMIT = pImp->GetPropertyInteger(AI_CONFIG_PP_SLM_VERTEX_LIMIT,AI_SLM_DEFAULT_MAX_VERTICES); +} + +// ------------------------------------------------------------------------------------------------ +// Executes the post processing step on the given imported data. +void SplitLargeMeshesProcess_Vertex::SplitMesh( + unsigned int a, + aiMesh* pMesh, + std::vector<std::pair<aiMesh*, unsigned int> >& avList) { + if (pMesh->mNumVertices > SplitLargeMeshesProcess_Vertex::LIMIT) { + typedef std::vector< std::pair<unsigned int,float> > VertexWeightTable; + + // build a per-vertex weight list if necessary + VertexWeightTable* avPerVertexWeights = ComputeVertexBoneWeightTable(pMesh); + + // we need to split this mesh into sub meshes + // determine the estimated size of a submesh + // (this could be too large. Max waste is a single digit percentage) + const unsigned int iSubMeshes = (pMesh->mNumVertices / SplitLargeMeshesProcess_Vertex::LIMIT) + 1; + + // create a std::vector<unsigned int> to indicate which vertices + // have already been copied + std::vector<unsigned int> avWasCopied; + avWasCopied.resize(pMesh->mNumVertices,0xFFFFFFFF); + + // try to find a good estimate for the number of output faces + // per mesh. Add 12.5% as buffer + unsigned int iEstimatedSize = pMesh->mNumFaces / iSubMeshes; + iEstimatedSize += iEstimatedSize >> 3; + + // now generate all submeshes + unsigned int iBase( 0 ); + while (true) { + const unsigned int iOutVertexNum = SplitLargeMeshesProcess_Vertex::LIMIT; + aiMesh* pcMesh = new aiMesh; + pcMesh->mNumVertices = 0; + pcMesh->mMaterialIndex = pMesh->mMaterialIndex; + + // the name carries the adjacency information between the meshes + pcMesh->mName = pMesh->mName; + + typedef std::vector<aiVertexWeight> BoneWeightList; + if (pMesh->HasBones()) { + pcMesh->mBones = new aiBone*[pMesh->mNumBones]; + ::memset(pcMesh->mBones,0,sizeof(void*)*pMesh->mNumBones); + } + + // clear the temporary helper array + if (iBase) { + // we can't use memset here we unsigned int needn' be 32 bits + for (auto &elem : avWasCopied) { + elem = 0xffffffff; + } + } + + // output vectors + std::vector<aiFace> vFaces; + + // reserve enough storage for most cases + if (pMesh->HasPositions()) { + pcMesh->mVertices = new aiVector3D[iOutVertexNum]; + } + if (pMesh->HasNormals()) { + pcMesh->mNormals = new aiVector3D[iOutVertexNum]; + } + if (pMesh->HasTangentsAndBitangents()) { + pcMesh->mTangents = new aiVector3D[iOutVertexNum]; + pcMesh->mBitangents = new aiVector3D[iOutVertexNum]; + } + for (unsigned int c = 0; pMesh->HasVertexColors(c);++c) { + pcMesh->mColors[c] = new aiColor4D[iOutVertexNum]; + } + for (unsigned int c = 0; pMesh->HasTextureCoords(c);++c) { + pcMesh->mNumUVComponents[c] = pMesh->mNumUVComponents[c]; + pcMesh->mTextureCoords[c] = new aiVector3D[iOutVertexNum]; + } + vFaces.reserve(iEstimatedSize); + + // (we will also need to copy the array of indices) + while (iBase < pMesh->mNumFaces) { + // allocate a new array + const unsigned int iNumIndices = pMesh->mFaces[iBase].mNumIndices; + + // doesn't catch degenerates but is quite fast + unsigned int iNeed = 0; + for (unsigned int v = 0; v < iNumIndices;++v) { + unsigned int iIndex = pMesh->mFaces[iBase].mIndices[v]; + + // check whether we do already have this vertex + if (0xFFFFFFFF == avWasCopied[iIndex]) { + iNeed++; + } + } + if (pcMesh->mNumVertices + iNeed > iOutVertexNum) { + // don't use this face + break; + } + + vFaces.push_back(aiFace()); + aiFace& rFace = vFaces.back(); + + // setup face type and number of indices + rFace.mNumIndices = iNumIndices; + rFace.mIndices = new unsigned int[iNumIndices]; + + // need to update the output primitive types + switch (rFace.mNumIndices) { + case 1: + pcMesh->mPrimitiveTypes |= aiPrimitiveType_POINT; + break; + case 2: + pcMesh->mPrimitiveTypes |= aiPrimitiveType_LINE; + break; + case 3: + pcMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE; + break; + default: + pcMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON; + } + + // and copy the contents of the old array, offset by current base + for (unsigned int v = 0; v < iNumIndices;++v) { + unsigned int iIndex = pMesh->mFaces[iBase].mIndices[v]; + + // check whether we do already have this vertex + if (0xFFFFFFFF != avWasCopied[iIndex]) { + rFace.mIndices[v] = avWasCopied[iIndex]; + continue; + } + + // copy positions + pcMesh->mVertices[pcMesh->mNumVertices] = (pMesh->mVertices[iIndex]); + + // copy normals + if (pMesh->HasNormals()) { + pcMesh->mNormals[pcMesh->mNumVertices] = (pMesh->mNormals[iIndex]); + } + + // copy tangents/bitangents + if (pMesh->HasTangentsAndBitangents()) { + pcMesh->mTangents[pcMesh->mNumVertices] = (pMesh->mTangents[iIndex]); + pcMesh->mBitangents[pcMesh->mNumVertices] = (pMesh->mBitangents[iIndex]); + } + + // texture coordinates + for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS;++c) { + if (pMesh->HasTextureCoords( c)) { + pcMesh->mTextureCoords[c][pcMesh->mNumVertices] = pMesh->mTextureCoords[c][iIndex]; + } + } + // vertex colors + for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS;++c) { + if (pMesh->HasVertexColors( c)) { + pcMesh->mColors[c][pcMesh->mNumVertices] = pMesh->mColors[c][iIndex]; + } + } + // check whether we have bone weights assigned to this vertex + rFace.mIndices[v] = pcMesh->mNumVertices; + if (avPerVertexWeights) { + VertexWeightTable& table = avPerVertexWeights[ pcMesh->mNumVertices ]; + if( !table.empty() ) { + for (VertexWeightTable::const_iterator iter = table.begin(); + iter != table.end();++iter) { + // allocate the bone weight array if necessary + BoneWeightList* pcWeightList = (BoneWeightList*)pcMesh->mBones[(*iter).first]; + if (nullptr == pcWeightList) { + pcMesh->mBones[(*iter).first] = (aiBone*)(pcWeightList = new BoneWeightList()); + } + pcWeightList->push_back(aiVertexWeight(pcMesh->mNumVertices,(*iter).second)); + } + } + } + + avWasCopied[iIndex] = pcMesh->mNumVertices; + pcMesh->mNumVertices++; + } + ++iBase; + if(pcMesh->mNumVertices == iOutVertexNum) { + // break here. The face is only added if it was complete + break; + } + } + + // check which bones we'll need to create for this submesh + if (pMesh->HasBones()) { + aiBone** ppCurrent = pcMesh->mBones; + for (unsigned int k = 0; k < pMesh->mNumBones;++k) { + // check whether the bone is existing + BoneWeightList* pcWeightList; + if ((pcWeightList = (BoneWeightList*)pcMesh->mBones[k])) { + aiBone* pcOldBone = pMesh->mBones[k]; + aiBone* pcOut( nullptr ); + *ppCurrent++ = pcOut = new aiBone(); + pcOut->mName = aiString(pcOldBone->mName); + pcOut->mOffsetMatrix = pcOldBone->mOffsetMatrix; + pcOut->mNumWeights = (unsigned int)pcWeightList->size(); + pcOut->mWeights = new aiVertexWeight[pcOut->mNumWeights]; + + // copy the vertex weights + ::memcpy(pcOut->mWeights,&pcWeightList->operator[](0), + pcOut->mNumWeights * sizeof(aiVertexWeight)); + + // delete the temporary bone weight list + delete pcWeightList; + pcMesh->mNumBones++; + } + } + } + + // copy the face list to the mesh + pcMesh->mFaces = new aiFace[vFaces.size()]; + pcMesh->mNumFaces = (unsigned int)vFaces.size(); + + for (unsigned int p = 0; p < pcMesh->mNumFaces;++p) { + pcMesh->mFaces[p] = vFaces[p]; + } + + // add the newly created mesh to the list + avList.push_back(std::pair<aiMesh*, unsigned int>(pcMesh,a)); + + if (iBase == pMesh->mNumFaces) { + // have all faces ... finish the outer loop, too + break; + } + } + + // delete the per-vertex weight list again + delete[] avPerVertexWeights; + + // now delete the old mesh data + delete pMesh; + return; + } + avList.push_back(std::pair<aiMesh*, unsigned int>(pMesh,a)); +} |