code: public static AxisAlignedBB offset(BlockPos pos, AxisAlignedBB aabb)
  	{
  		if (aabb == null || pos == null)
  			return aabb;
  		return aabb.offset(pos.getX(), pos.getY(), pos.getZ());
  	}
docs: Offsets the passed {@link AxisAlignedBB} by the {@link BlockPos} coordinates.
  
  @param pos the pos
  @param aabb the aabb
  @return the axis aligned bb