diff options
Diffstat (limited to 'thirdparty/assimp/code/PostProcessing')
3 files changed, 36 insertions, 25 deletions
diff --git a/thirdparty/assimp/code/PostProcessing/JoinVerticesProcess.cpp b/thirdparty/assimp/code/PostProcessing/JoinVerticesProcess.cpp index 914ec05b46..f121fc60d3 100644 --- a/thirdparty/assimp/code/PostProcessing/JoinVerticesProcess.cpp +++ b/thirdparty/assimp/code/PostProcessing/JoinVerticesProcess.cpp @@ -431,31 +431,6 @@ int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex) bone->mWeights = new aiVertexWeight[bone->mNumWeights]; memcpy( bone->mWeights, &newWeights[0], bone->mNumWeights * sizeof( aiVertexWeight)); } - else { - - /* NOTE: - * - * In the algorithm above we're assuming that there are no vertices - * with a different bone weight setup at the same position. That wouldn't - * make sense, but it is not absolutely impossible. SkeletonMeshBuilder - * for example generates such input data if two skeleton points - * share the same position. Again this doesn't make sense but is - * reality for some model formats (MD5 for example uses these special - * nodes as attachment tags for its weapons). - * - * Then it is possible that a bone has no weights anymore .... as a quick - * workaround, we're just removing these bones. If they're animated, - * model geometry might be modified but at least there's no risk of a crash. - */ - delete bone; - --pMesh->mNumBones; - for (unsigned int n = a; n < pMesh->mNumBones; ++n) { - pMesh->mBones[n] = pMesh->mBones[n+1]; - } - - --a; - ASSIMP_LOG_WARN("Removing bone -> no weights remaining"); - } } return pMesh->mNumVertices; } diff --git a/thirdparty/assimp/code/PostProcessing/MakeVerboseFormat.cpp b/thirdparty/assimp/code/PostProcessing/MakeVerboseFormat.cpp index 50ff5ed93d..41f50a5ba5 100644 --- a/thirdparty/assimp/code/PostProcessing/MakeVerboseFormat.cpp +++ b/thirdparty/assimp/code/PostProcessing/MakeVerboseFormat.cpp @@ -224,3 +224,32 @@ bool MakeVerboseFormatProcess::MakeVerboseFormat(aiMesh* pcMesh) } return (pcMesh->mNumVertices != iOldNumVertices); } + + +// ------------------------------------------------------------------------------------------------ +bool IsMeshInVerboseFormat(const aiMesh* mesh) { + // avoid slow vector<bool> specialization + std::vector<unsigned int> seen(mesh->mNumVertices,0); + for(unsigned int i = 0; i < mesh->mNumFaces; ++i) { + const aiFace& f = mesh->mFaces[i]; + for(unsigned int j = 0; j < f.mNumIndices; ++j) { + if(++seen[f.mIndices[j]] == 2) { + // found a duplicate index + return false; + } + } + } + + return true; +} + +// ------------------------------------------------------------------------------------------------ +bool MakeVerboseFormatProcess::IsVerboseFormat(const aiScene* pScene) { + for(unsigned int i = 0; i < pScene->mNumMeshes; ++i) { + if(!IsMeshInVerboseFormat(pScene->mMeshes[i])) { + return false; + } + } + + return true; +} diff --git a/thirdparty/assimp/code/PostProcessing/MakeVerboseFormat.h b/thirdparty/assimp/code/PostProcessing/MakeVerboseFormat.h index 1adf8e2f69..8565d5933a 100644 --- a/thirdparty/assimp/code/PostProcessing/MakeVerboseFormat.h +++ b/thirdparty/assimp/code/PostProcessing/MakeVerboseFormat.h @@ -94,6 +94,13 @@ public: * @param pScene The imported data to work at. */ void Execute( aiScene* pScene); +public: + + // ------------------------------------------------------------------- + /** Checks whether the scene is already in verbose format. + * @param pScene The data to check. + * @return true if the scene is already in verbose format. */ + static bool IsVerboseFormat(const aiScene* pScene); private: |