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PLY-Loader: fix https://github.com/assimp/assimp/issues/160.

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This commit is contained in:
Kim Kulling
2015-08-07 21:18:20 +02:00
parent 752961edfe
commit 8836fd6b34
1 changed files with 13 additions and 4 deletions
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17
code/PlyLoader.cpp
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@@ -310,6 +310,10 @@ void PLYImporter::ConvertMeshes(std::vector<PLY::Face>* avFaces,
iNum += (unsigned int)(*avFaces)[aiSplit[p][i]].mIndices.size();
}
p_pcOut->mNumVertices = iNum;
if( 0 == iNum ) { // nothing to do
delete[] aiSplit; // cleanup
return;
}
p_pcOut->mVertices = new aiVector3D[iNum];
if (!avColors->empty())
@@ -335,20 +339,25 @@ void PLYImporter::ConvertMeshes(std::vector<PLY::Face>* avFaces,
for (unsigned int q = 0; q < p_pcOut->mFaces[iNum].mNumIndices;++q)
{
p_pcOut->mFaces[iNum].mIndices[q] = iVertex;
p_pcOut->mVertices[iVertex] = (*avPositions)[(*avFaces)[*i].mIndices[q]];
const size_t idx = ( *avFaces )[ *i ].mIndices[ q ];
if( idx >= ( *avPositions ).size() ) {
// out of border
continue;
}
p_pcOut->mVertices[ iVertex ] = ( *avPositions )[ idx ];
if (!avColors->empty())
p_pcOut->mColors[0][iVertex] = (*avColors)[(*avFaces)[*i].mIndices[q]];
p_pcOut->mColors[ 0 ][ iVertex ] = ( *avColors )[ idx ];
if (!avTexCoords->empty())
{
const aiVector2D& vec = (*avTexCoords)[(*avFaces)[*i].mIndices[q]];
const aiVector2D& vec = ( *avTexCoords )[ idx ];
p_pcOut->mTextureCoords[0][iVertex].x = vec.x;
p_pcOut->mTextureCoords[0][iVertex].y = vec.y;
}
if (!avNormals->empty())
p_pcOut->mNormals[iVertex] = (*avNormals)[(*avFaces)[*i].mIndices[q]];
p_pcOut->mNormals[ iVertex ] = ( *avNormals )[ idx ];
iVertex++;
}