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package org.bukkit.block;
/**
* Represents the face of a block
*/
public enum BlockFace {
NORTH(0, 0, -1),
EAST(1, 0, 0),
SOUTH(0, 0, 1),
WEST(-1, 0, 0),
UP(0, 1, 0),
DOWN(0, -1, 0),
NORTH_EAST(NORTH, EAST),
NORTH_WEST(NORTH, WEST),
SOUTH_EAST(SOUTH, EAST),
SOUTH_WEST(SOUTH, WEST),
WEST_NORTH_WEST(WEST, NORTH_WEST),
NORTH_NORTH_WEST(NORTH, NORTH_WEST),
NORTH_NORTH_EAST(NORTH, NORTH_EAST),
EAST_NORTH_EAST(EAST, NORTH_EAST),
EAST_SOUTH_EAST(EAST, SOUTH_EAST),
SOUTH_SOUTH_EAST(SOUTH, SOUTH_EAST),
SOUTH_SOUTH_WEST(SOUTH, SOUTH_WEST),
WEST_SOUTH_WEST(WEST, SOUTH_WEST),
SELF(0, 0, 0);
private final int modX;
private final int modY;
private final int modZ;
private BlockFace(final int modX, final int modY, final int modZ) {
this.modX = modX;
this.modY = modY;
this.modZ = modZ;
}
private BlockFace(final BlockFace face1, final BlockFace face2) {
this.modX = face1.getModX() + face2.getModX();
this.modY = face1.getModY() + face2.getModY();
this.modZ = face1.getModZ() + face2.getModZ();
}
/**
* Get the amount of X-coordinates to modify to get the represented block
*
* @return Amount of X-coordinates to modify
*/
public int getModX() {
return modX;
}
/**
* Get the amount of Y-coordinates to modify to get the represented block
*
* @return Amount of Y-coordinates to modify
*/
public int getModY() {
return modY;
}
/**
* Get the amount of Z-coordinates to modify to get the represented block
*
* @return Amount of Z-coordinates to modify
*/
public int getModZ() {
return modZ;
}
public BlockFace getOppositeFace() {
switch (this) {
case NORTH:
return BlockFace.SOUTH;
case SOUTH:
return BlockFace.NORTH;
case EAST:
return BlockFace.WEST;
case WEST:
return BlockFace.EAST;
case UP:
return BlockFace.DOWN;
case DOWN:
return BlockFace.UP;
case NORTH_EAST:
return BlockFace.SOUTH_WEST;
case NORTH_WEST:
return BlockFace.SOUTH_EAST;
case SOUTH_EAST:
return BlockFace.NORTH_WEST;
case SOUTH_WEST:
return BlockFace.NORTH_EAST;
case WEST_NORTH_WEST:
return BlockFace.EAST_SOUTH_EAST;
case NORTH_NORTH_WEST:
return BlockFace.SOUTH_SOUTH_EAST;
case NORTH_NORTH_EAST:
return BlockFace.SOUTH_SOUTH_WEST;
case EAST_NORTH_EAST:
return BlockFace.WEST_SOUTH_WEST;
case EAST_SOUTH_EAST:
return BlockFace.WEST_NORTH_WEST;
case SOUTH_SOUTH_EAST:
return BlockFace.NORTH_NORTH_WEST;
case SOUTH_SOUTH_WEST:
return BlockFace.NORTH_NORTH_EAST;
case WEST_SOUTH_WEST:
return BlockFace.EAST_NORTH_EAST;
case SELF:
return BlockFace.SELF;
}
return BlockFace.SELF;
}
}
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