public Direction getInverse() {
int inverseDir = dir - getSign();
for (Direction direction : Direction.values()) {
if (direction.dir == inverseDir) {
return direction;
}
}
return this;
}
@Override
public boolean emitsEnergyTo(TileEntity receiver, Direction direction) {
return direction.toForgeDirection() == ForgeDirection.getOrientation(facing);
}
/** Represents the 6 possible directions along the axis of a block. */
public enum Direction {
/** -X */
XN(0),
/** +X */
XP(1),
/** -Y */
YN(2), // MC-Code starts with 0 here
/** +Y */
YP(3), // 1...
/** -Z */
ZN(4),
/** +Z */
ZP(5);
Direction(int dir) {
this.dir = dir;
}
/*public CoordinateTuple ApplyToCoordinates(CoordinateTuple coordinates) {
CoordinateTuple ret = new CoordinateTuple(coordinates);
ret.coords[dir/2] += GetSign();
return ret;
}*/
/**
* Get the tile entity next to a tile entity following this direction.
*
* @param tileEntity tile entity to check
* @return Adjacent tile entity or null if none exists
*/
public TileEntity applyToTileEntity(TileEntity tileEntity) {
int coords[] = {tileEntity.xCoord, tileEntity.yCoord, tileEntity.zCoord};
coords[dir / 2] += getSign();
if (tileEntity.worldObj != null
&& tileEntity.worldObj.blockExists(coords[0], coords[1], coords[2])) {
return tileEntity.worldObj.getBlockTileEntity(coords[0], coords[1], coords[2]);
} else {
return null;
}
}
/**
* Get the inverse of this direction (XN -> XP, XP -> XN, etc.)
*
* @return Inverse direction
*/
public Direction getInverse() {
int inverseDir = dir - getSign();
for (Direction direction : directions) {
if (direction.dir == inverseDir) return direction;
}
return this;
}
/**
* Convert this direction to a Minecraft side value.
*
* @return Minecraft side value
*/
public int toSideValue() {
return (dir + 4) % 6;
}
/**
* Determine direction sign (N for negative or P for positive).
*
* @return -1 if the direction is negative, +1 if the direction is positive
*/
private int getSign() {
return (dir % 2) * 2 - 1;
}
public ForgeDirection toForgeDirection() {
return ForgeDirection.getOrientation(toSideValue());
}
private int dir;
public static final Direction[] directions = Direction.values();
}
@Override
public boolean acceptsEnergyFrom(TileEntity emitter, Direction direction) {
return direction.toForgeDirection() != ForgeDirection.getOrientation(facing);
}
static {
for (Direction dir : Direction.values()) {
DIRECTION_MAP.put(dir.toForgeDirection(), dir);
}
}