Method copyTextureAndColors

source/MRMesh/MRObjectMeshHolder.cpp:424–457

}

void ObjectMeshHolder::copyTextureAndColors( const ObjectMeshHolder & src, const VertMap & thisToSrc, const FaceMap & thisToSrcFaces )
{
    MR_TIMER;
    copyColors( src, thisToSrc, thisToSrcFaces );
    setTextures( src.getTextures() );

    const auto& srcTexPerFace = src.getTexturePerFace();
    if ( !srcTexPerFace.empty() )
    {
        TexturePerFace texPerFace;
        texPerFace.resizeNoInit( thisToSrcFaces.size() );
        ParallelFor( texPerFace, [&] ( FaceId id )
        {
            texPerFace[id] = srcTexPerFace[thisToSrcFaces[id]];
        } );
        setTexturePerFace( std::move( texPerFace ) );
    }

    const auto& srcUVCoords = src.getUVCoords();
    const auto lastVert = src.mesh()->topology.lastValidVert();
    const bool updateUV = lastVert < srcUVCoords.size();

    if ( !updateUV )
        return;

    VertUVCoords uvCoords;
    uvCoords.resizeNoInit( thisToSrc.size() );
    ParallelFor( uvCoords, [&]( VertId id )
    {
        uvCoords[id] = srcUVCoords[thisToSrc[id]];
    } );

    setUVCoords( std::move( uvCoords ) );
}

void ObjectMeshHolder::copyColors( const ObjectMeshHolder& src, const VertMap& thisToSrc, const FaceMap& thisToSrcFaces )
{