FMatrix44f CalcInverseSkinningTransform ( int32 VertexIndex, const [FSkeletalMeshLODRenderData](API\Runtime\Engine\Rendering\FSkeletalMeshLODRenderData) & SkelMeshLODData, const [FSkinWeightVertexBuffer](API\Runtime\Engine\Rendering\FSkinWeightVertexBuffer) & SkinWeightBuffer ) const