Cardinal.java

package greymerk.roguelike.worldgen;

import net.minecraft.block.BlockLever.EnumOrientation;
import net.minecraft.util.EnumFacing;


public enum Cardinal {

	NORTH, EAST, WEST, SOUTH, UP, DOWN;
	
	public static Cardinal[] directions = {NORTH, EAST, SOUTH, WEST};
	
	public static Cardinal reverse(Cardinal dir){
		switch(dir){
		case NORTH: return SOUTH;
		case EAST: return WEST;
		case WEST: return EAST;
		case SOUTH: return NORTH;
		case DOWN: return UP;
		case UP: return DOWN;
		default: return null;
		}
	}

	public static Cardinal left(Cardinal dir){
		switch(dir){
		case NORTH: return WEST;
		case EAST: return NORTH;
		case SOUTH: return EAST;
		case WEST: return SOUTH;
		default: return dir;
		}
	}

	public static Cardinal right(Cardinal dir){
		switch(dir){
		case NORTH: return EAST;
		case EAST: return SOUTH;
		case SOUTH: return WEST;
		case WEST: return NORTH;
		default: return dir;
		}
	}
	
	public static Cardinal[] orthogonal(Cardinal dir) {
		
		switch(dir){
		case NORTH: return new Cardinal[] {WEST, EAST};
		case SOUTH: return new Cardinal[] {EAST, WEST};
		case EAST: return new Cardinal[] {NORTH, SOUTH};
		case WEST: return new Cardinal[] {SOUTH, NORTH};
		default: return new Cardinal[]{dir, dir};
		}
	}
	
	public static EnumFacing facing(Cardinal dir){
		
		switch(dir){
		case NORTH: return EnumFacing.SOUTH;
		case EAST: return EnumFacing.WEST;
		case WEST: return EnumFacing.EAST;
		case SOUTH: return EnumFacing.NORTH;
		case UP: return EnumFacing.UP;
		case DOWN: return EnumFacing.DOWN;
		default: return null;
		}
	}
	
	public static EnumOrientation orientation(Cardinal dir){
		
		switch(dir){
		case NORTH: return EnumOrientation.SOUTH;
		case EAST: return EnumOrientation.WEST;
		case WEST: return EnumOrientation.EAST;
		case SOUTH: return EnumOrientation.NORTH;
		case UP: return EnumOrientation.UP_X;
		case DOWN: return EnumOrientation.DOWN_X;
		default: return null;
		}
	}
}