CutWithPlanarCells ( FPlanarCells& Cells, FGeometryCollection& Collection, int32 TransformIdx, double Grout, double CollisionSampleSpacing, int32 RandomSeed, const TOptional< FTransform >& Tra..., bool bIncludeOutsideCellInOutput, bool bSetDefaultInternalMaterialsFr..., FProgressCancel* Progress, FVector CellsOrigin )