da1f80c1f2
This reverts commit 78b22393a8.
It caused a regression in FBX import leading to crashes.
Fixes #36908.
624 lines
26 KiB
C++
624 lines
26 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2019, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/**
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* @file Implementation of the SplitLargeMeshes postprocessing step
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*/
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// internal headers of the post-processing framework
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#include "SplitLargeMeshes.h"
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#include "ProcessHelper.h"
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using namespace Assimp;
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// ------------------------------------------------------------------------------------------------
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SplitLargeMeshesProcess_Triangle::SplitLargeMeshesProcess_Triangle() {
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LIMIT = AI_SLM_DEFAULT_MAX_TRIANGLES;
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}
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// ------------------------------------------------------------------------------------------------
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SplitLargeMeshesProcess_Triangle::~SplitLargeMeshesProcess_Triangle() {
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// nothing to do here
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}
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// ------------------------------------------------------------------------------------------------
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// Returns whether the processing step is present in the given flag field.
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bool SplitLargeMeshesProcess_Triangle::IsActive( unsigned int pFlags) const {
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return (pFlags & aiProcess_SplitLargeMeshes) != 0;
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}
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// ------------------------------------------------------------------------------------------------
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// Executes the post processing step on the given imported data.
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void SplitLargeMeshesProcess_Triangle::Execute( aiScene* pScene) {
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if (0xffffffff == this->LIMIT || nullptr == pScene ) {
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return;
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}
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ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Triangle begin");
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std::vector<std::pair<aiMesh*, unsigned int> > avList;
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for( unsigned int a = 0; a < pScene->mNumMeshes; ++a) {
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this->SplitMesh(a, pScene->mMeshes[a],avList);
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}
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if (avList.size() != pScene->mNumMeshes) {
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// it seems something has been split. rebuild the mesh list
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delete[] pScene->mMeshes;
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pScene->mNumMeshes = (unsigned int)avList.size();
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pScene->mMeshes = new aiMesh*[avList.size()];
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for (unsigned int i = 0; i < avList.size();++i) {
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pScene->mMeshes[i] = avList[i].first;
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}
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// now we need to update all nodes
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this->UpdateNode(pScene->mRootNode,avList);
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ASSIMP_LOG_INFO("SplitLargeMeshesProcess_Triangle finished. Meshes have been split");
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} else {
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ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Triangle finished. There was nothing to do");
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}
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}
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// ------------------------------------------------------------------------------------------------
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// Setup properties
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void SplitLargeMeshesProcess_Triangle::SetupProperties( const Importer* pImp) {
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// get the current value of the split property
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this->LIMIT = pImp->GetPropertyInteger(AI_CONFIG_PP_SLM_TRIANGLE_LIMIT,AI_SLM_DEFAULT_MAX_TRIANGLES);
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}
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// ------------------------------------------------------------------------------------------------
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// Update a node after some meshes have been split
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void SplitLargeMeshesProcess_Triangle::UpdateNode(aiNode* pcNode,
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const std::vector<std::pair<aiMesh*, unsigned int> >& avList) {
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// for every index in out list build a new entry
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std::vector<unsigned int> aiEntries;
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aiEntries.reserve(pcNode->mNumMeshes + 1);
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for (unsigned int i = 0; i < pcNode->mNumMeshes;++i) {
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for (unsigned int a = 0; a < avList.size();++a) {
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if (avList[a].second == pcNode->mMeshes[i]) {
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aiEntries.push_back(a);
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}
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}
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}
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// now build the new list
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delete[] pcNode->mMeshes;
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pcNode->mNumMeshes = (unsigned int)aiEntries.size();
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pcNode->mMeshes = new unsigned int[pcNode->mNumMeshes];
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for (unsigned int b = 0; b < pcNode->mNumMeshes;++b) {
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pcNode->mMeshes[b] = aiEntries[b];
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}
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// recusively update all other nodes
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for (unsigned int i = 0; i < pcNode->mNumChildren;++i) {
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UpdateNode ( pcNode->mChildren[i], avList );
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}
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}
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// ------------------------------------------------------------------------------------------------
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// Executes the post processing step on the given imported data.
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void SplitLargeMeshesProcess_Triangle::SplitMesh(
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unsigned int a,
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aiMesh* pMesh,
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std::vector<std::pair<aiMesh*, unsigned int> >& avList) {
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if (pMesh->mNumFaces > SplitLargeMeshesProcess_Triangle::LIMIT) {
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ASSIMP_LOG_INFO("Mesh exceeds the triangle limit. It will be split ...");
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// we need to split this mesh into sub meshes
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// determine the size of a submesh
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const unsigned int iSubMeshes = (pMesh->mNumFaces / LIMIT) + 1;
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const unsigned int iOutFaceNum = pMesh->mNumFaces / iSubMeshes;
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const unsigned int iOutVertexNum = iOutFaceNum * 3;
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// now generate all submeshes
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for (unsigned int i = 0; i < iSubMeshes;++i) {
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aiMesh* pcMesh = new aiMesh;
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pcMesh->mNumFaces = iOutFaceNum;
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pcMesh->mMaterialIndex = pMesh->mMaterialIndex;
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// the name carries the adjacency information between the meshes
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pcMesh->mName = pMesh->mName;
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if (i == iSubMeshes-1) {
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pcMesh->mNumFaces = iOutFaceNum + (
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pMesh->mNumFaces - iOutFaceNum * iSubMeshes);
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}
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// copy the list of faces
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pcMesh->mFaces = new aiFace[pcMesh->mNumFaces];
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const unsigned int iBase = iOutFaceNum * i;
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// get the total number of indices
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unsigned int iCnt = 0;
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for (unsigned int p = iBase; p < pcMesh->mNumFaces + iBase;++p) {
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iCnt += pMesh->mFaces[p].mNumIndices;
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}
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pcMesh->mNumVertices = iCnt;
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// allocate storage
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if (pMesh->mVertices != nullptr) {
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pcMesh->mVertices = new aiVector3D[iCnt];
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}
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if (pMesh->HasNormals()) {
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pcMesh->mNormals = new aiVector3D[iCnt];
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}
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if (pMesh->HasTangentsAndBitangents()) {
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pcMesh->mTangents = new aiVector3D[iCnt];
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pcMesh->mBitangents = new aiVector3D[iCnt];
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}
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// texture coordinates
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for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS;++c) {
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pcMesh->mNumUVComponents[c] = pMesh->mNumUVComponents[c];
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if (pMesh->HasTextureCoords( c)) {
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pcMesh->mTextureCoords[c] = new aiVector3D[iCnt];
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}
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}
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// vertex colors
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for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS;++c) {
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if (pMesh->HasVertexColors( c)) {
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pcMesh->mColors[c] = new aiColor4D[iCnt];
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}
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}
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if (pMesh->HasBones()) {
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// assume the number of bones won't change in most cases
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pcMesh->mBones = new aiBone*[pMesh->mNumBones];
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// iterate through all bones of the mesh and find those which
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// need to be copied to the split mesh
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std::vector<aiVertexWeight> avTempWeights;
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for (unsigned int p = 0; p < pcMesh->mNumBones;++p) {
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aiBone* const bone = pcMesh->mBones[p];
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avTempWeights.clear();
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avTempWeights.reserve(bone->mNumWeights / iSubMeshes);
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for (unsigned int q = 0; q < bone->mNumWeights;++q) {
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aiVertexWeight& weight = bone->mWeights[q];
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if(weight.mVertexId >= iBase && weight.mVertexId < iBase + iOutVertexNum) {
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avTempWeights.push_back(weight);
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weight = avTempWeights.back();
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weight.mVertexId -= iBase;
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}
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}
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if (!avTempWeights.empty()) {
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// we'll need this bone. Copy it ...
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aiBone* pc = new aiBone();
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pcMesh->mBones[pcMesh->mNumBones++] = pc;
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pc->mName = aiString(bone->mName);
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pc->mNumWeights = (unsigned int)avTempWeights.size();
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pc->mOffsetMatrix = bone->mOffsetMatrix;
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// no need to reallocate the array for the last submesh.
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// Here we can reuse the (large) source array, although
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// we'll waste some memory
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if (iSubMeshes-1 == i) {
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pc->mWeights = bone->mWeights;
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bone->mWeights = nullptr;
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} else {
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pc->mWeights = new aiVertexWeight[pc->mNumWeights];
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}
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// copy the weights
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::memcpy(pc->mWeights,&avTempWeights[0],sizeof(aiVertexWeight)*pc->mNumWeights);
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}
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}
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}
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// (we will also need to copy the array of indices)
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unsigned int iCurrent = 0;
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for (unsigned int p = 0; p < pcMesh->mNumFaces;++p) {
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pcMesh->mFaces[p].mNumIndices = 3;
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// allocate a new array
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const unsigned int iTemp = p + iBase;
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const unsigned int iNumIndices = pMesh->mFaces[iTemp].mNumIndices;
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// setup face type and number of indices
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pcMesh->mFaces[p].mNumIndices = iNumIndices;
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unsigned int* pi = pMesh->mFaces[iTemp].mIndices;
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unsigned int* piOut = pcMesh->mFaces[p].mIndices = new unsigned int[iNumIndices];
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// need to update the output primitive types
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switch (iNumIndices) {
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case 1:
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pcMesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
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break;
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case 2:
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pcMesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
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break;
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case 3:
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pcMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
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break;
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default:
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pcMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
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}
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// and copy the contents of the old array, offset by current base
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for (unsigned int v = 0; v < iNumIndices;++v) {
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unsigned int iIndex = pi[v];
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unsigned int iIndexOut = iCurrent++;
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piOut[v] = iIndexOut;
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// copy positions
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if (pMesh->mVertices != nullptr) {
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pcMesh->mVertices[iIndexOut] = pMesh->mVertices[iIndex];
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}
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// copy normals
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if (pMesh->HasNormals()) {
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pcMesh->mNormals[iIndexOut] = pMesh->mNormals[iIndex];
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}
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// copy tangents/bitangents
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if (pMesh->HasTangentsAndBitangents()) {
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pcMesh->mTangents[iIndexOut] = pMesh->mTangents[iIndex];
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pcMesh->mBitangents[iIndexOut] = pMesh->mBitangents[iIndex];
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}
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// texture coordinates
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for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS;++c) {
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if (pMesh->HasTextureCoords( c ) ) {
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pcMesh->mTextureCoords[c][iIndexOut] = pMesh->mTextureCoords[c][iIndex];
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}
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}
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// vertex colors
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for (unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS;++c) {
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if (pMesh->HasVertexColors( c)) {
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pcMesh->mColors[c][iIndexOut] = pMesh->mColors[c][iIndex];
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}
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}
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}
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}
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// add the newly created mesh to the list
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avList.push_back(std::pair<aiMesh*, unsigned int>(pcMesh,a));
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}
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// now delete the old mesh data
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delete pMesh;
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} else {
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avList.push_back(std::pair<aiMesh*, unsigned int>(pMesh,a));
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}
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}
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// ------------------------------------------------------------------------------------------------
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SplitLargeMeshesProcess_Vertex::SplitLargeMeshesProcess_Vertex() {
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LIMIT = AI_SLM_DEFAULT_MAX_VERTICES;
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}
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// ------------------------------------------------------------------------------------------------
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SplitLargeMeshesProcess_Vertex::~SplitLargeMeshesProcess_Vertex() {
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// nothing to do here
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}
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// ------------------------------------------------------------------------------------------------
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// Returns whether the processing step is present in the given flag field.
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bool SplitLargeMeshesProcess_Vertex::IsActive( unsigned int pFlags) const {
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return (pFlags & aiProcess_SplitLargeMeshes) != 0;
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}
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// ------------------------------------------------------------------------------------------------
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// Executes the post processing step on the given imported data.
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void SplitLargeMeshesProcess_Vertex::Execute( aiScene* pScene) {
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if (0xffffffff == this->LIMIT || nullptr == pScene ) {
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return;
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}
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ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Vertex begin");
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std::vector<std::pair<aiMesh*, unsigned int> > avList;
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//Check for point cloud first,
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//Do not process point cloud, splitMesh works only with faces data
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for (unsigned int a = 0; a < pScene->mNumMeshes; a++) {
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if ( pScene->mMeshes[a]->mPrimitiveTypes == aiPrimitiveType_POINT ) {
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return;
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}
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}
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for( unsigned int a = 0; a < pScene->mNumMeshes; ++a ) {
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this->SplitMesh(a, pScene->mMeshes[a], avList);
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}
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if (avList.size() != pScene->mNumMeshes) {
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// it seems something has been split. rebuild the mesh list
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delete[] pScene->mMeshes;
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pScene->mNumMeshes = (unsigned int)avList.size();
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pScene->mMeshes = new aiMesh*[avList.size()];
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for (unsigned int i = 0; i < avList.size();++i) {
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pScene->mMeshes[i] = avList[i].first;
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}
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// now we need to update all nodes
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SplitLargeMeshesProcess_Triangle::UpdateNode(pScene->mRootNode,avList);
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ASSIMP_LOG_INFO("SplitLargeMeshesProcess_Vertex finished. Meshes have been split");
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} else {
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ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Vertex finished. There was nothing to do");
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}
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}
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// ------------------------------------------------------------------------------------------------
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// Setup properties
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void SplitLargeMeshesProcess_Vertex::SetupProperties( const Importer* pImp) {
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this->LIMIT = pImp->GetPropertyInteger(AI_CONFIG_PP_SLM_VERTEX_LIMIT,AI_SLM_DEFAULT_MAX_VERTICES);
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}
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// ------------------------------------------------------------------------------------------------
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// Executes the post processing step on the given imported data.
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void SplitLargeMeshesProcess_Vertex::SplitMesh(
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unsigned int a,
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aiMesh* pMesh,
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std::vector<std::pair<aiMesh*, unsigned int> >& avList) {
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if (pMesh->mNumVertices > SplitLargeMeshesProcess_Vertex::LIMIT) {
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typedef std::vector< std::pair<unsigned int,float> > VertexWeightTable;
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// build a per-vertex weight list if necessary
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VertexWeightTable* avPerVertexWeights = ComputeVertexBoneWeightTable(pMesh);
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// we need to split this mesh into sub meshes
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// determine the estimated size of a submesh
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// (this could be too large. Max waste is a single digit percentage)
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const unsigned int iSubMeshes = (pMesh->mNumVertices / SplitLargeMeshesProcess_Vertex::LIMIT) + 1;
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// create a std::vector<unsigned int> to indicate which vertices
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// have already been copied
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std::vector<unsigned int> avWasCopied;
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avWasCopied.resize(pMesh->mNumVertices,0xFFFFFFFF);
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// try to find a good estimate for the number of output faces
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// per mesh. Add 12.5% as buffer
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unsigned int iEstimatedSize = pMesh->mNumFaces / iSubMeshes;
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iEstimatedSize += iEstimatedSize >> 3;
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// now generate all submeshes
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unsigned int iBase( 0 );
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while (true) {
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const unsigned int iOutVertexNum = SplitLargeMeshesProcess_Vertex::LIMIT;
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aiMesh* pcMesh = new aiMesh;
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pcMesh->mNumVertices = 0;
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pcMesh->mMaterialIndex = pMesh->mMaterialIndex;
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// the name carries the adjacency information between the meshes
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pcMesh->mName = pMesh->mName;
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typedef std::vector<aiVertexWeight> BoneWeightList;
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if (pMesh->HasBones()) {
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pcMesh->mBones = new aiBone*[pMesh->mNumBones];
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::memset(pcMesh->mBones,0,sizeof(void*)*pMesh->mNumBones);
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}
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// clear the temporary helper array
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if (iBase) {
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// we can't use memset here we unsigned int needn' be 32 bits
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for (auto &elem : avWasCopied) {
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elem = 0xffffffff;
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}
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}
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// output vectors
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std::vector<aiFace> vFaces;
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// reserve enough storage for most cases
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if (pMesh->HasPositions()) {
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pcMesh->mVertices = new aiVector3D[iOutVertexNum];
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}
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if (pMesh->HasNormals()) {
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pcMesh->mNormals = new aiVector3D[iOutVertexNum];
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}
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if (pMesh->HasTangentsAndBitangents()) {
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pcMesh->mTangents = new aiVector3D[iOutVertexNum];
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pcMesh->mBitangents = new aiVector3D[iOutVertexNum];
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}
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for (unsigned int c = 0; pMesh->HasVertexColors(c);++c) {
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pcMesh->mColors[c] = new aiColor4D[iOutVertexNum];
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}
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for (unsigned int c = 0; pMesh->HasTextureCoords(c);++c) {
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pcMesh->mNumUVComponents[c] = pMesh->mNumUVComponents[c];
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pcMesh->mTextureCoords[c] = new aiVector3D[iOutVertexNum];
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}
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vFaces.reserve(iEstimatedSize);
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// (we will also need to copy the array of indices)
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while (iBase < pMesh->mNumFaces) {
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// allocate a new array
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const unsigned int iNumIndices = pMesh->mFaces[iBase].mNumIndices;
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// doesn't catch degenerates but is quite fast
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unsigned int iNeed = 0;
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for (unsigned int v = 0; v < iNumIndices;++v) {
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|
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));
|
|
}
|