ForgePatch/common/net/minecraftforge/common/ForgeDirection.java

71 lines
1.6 KiB
Java

package net.minecraftforge.common;
public enum ForgeDirection
{
/** -Y */
DOWN(0, -1, 0),
/** +Y */
UP(0, 1, 0),
/** -Z */
NORTH(0, 0, -1),
/** +Z */
SOUTH(0, 0, 1),
/** -X */
WEST(-1, 0, 0),
/** +X */
EAST(1, 0, 0),
/**
* Used only by getOrientation, for invalid inputs
*/
UNKNOWN(0, 0, 0);
public final int offsetX;
public final int offsetY;
public final int offsetZ;
public final int flag;
public static final ForgeDirection[] VALID_DIRECTIONS = {DOWN, UP, NORTH, SOUTH, WEST, EAST};
public static final int[] OPPOSITES = {1, 0, 3, 2, 5, 4, 6};
// Left hand rule rotation matrix for all possible axes of rotation
public static final int[][] ROTATION_MATRIX = {
{0, 1, 4, 5, 3, 2, 6},
{0, 1, 5, 4, 2, 3, 6},
{5, 4, 2, 3, 0, 1, 6},
{4, 5, 2, 3, 1, 0, 6},
{2, 3, 1, 0, 4, 5, 6},
{3, 2, 0, 1, 4, 5, 6},
{0, 1, 2, 3, 4, 5, 6},
};
private ForgeDirection(int x, int y, int z)
{
offsetX = x;
offsetY = y;
offsetZ = z;
flag = 1 << ordinal();
}
public static ForgeDirection getOrientation(int id)
{
if (id >= 0 && id < VALID_DIRECTIONS.length)
{
return VALID_DIRECTIONS[id];
}
return UNKNOWN;
}
public ForgeDirection getOpposite()
{
return getOrientation(OPPOSITES[ordinal()]);
}
public ForgeDirection getRotation(ForgeDirection axis)
{
return getOrientation(ROTATION_MATRIX[axis.ordinal()][ordinal()]);
}
}