@Override
public int hashCode() {
if (data instanceof Tile) {
Tile tile = (Tile) data;
int result = tile.getPos().getX();
result = 31 * result + tile.getPos().getY();
return result;
} else {
return getId();
}
}
public Node(Tile data) {
Position pos = data.getPos();
this.id = pos.getX() * 31 + pos.getY();
this.data = (T) data;
}