public BlockFace faceFromYaw(int yaw){
		int cYaw = cardinalYaw(yaw);
		switch (cYaw){
			case 	0: 		return BlockFace.SOUTH;
			case 	90: 	return BlockFace.WEST;
			case 	180: 	return BlockFace.NORTH;
			case 	270: 	return BlockFace.EAST;
			default : 		return BlockFace.SOUTH; 
		}
	}