default int toInternalMask(int mask) {
        return shiftMask(mask, toInternal(0));
    }
Defines a part that affixes to the side of the block, and can optionally be rotated about
that face. Contains utility methods for converting between internal and absolute rotations and directions.
core/src/main/java/mrtjp/projectred/core/part/IOrientableFacePart.java