LRDUMask.java

package mods.eln.misc;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

public class LRDUMask {

    public int mask;

    public LRDUMask() {
        mask = 0;
    }

    public LRDUMask(int mask) {
        this.mask = mask;
    }

    public static final LRDUMask[] array = {new LRDUMask(1), new LRDUMask(2), new LRDUMask(4), new LRDUMask(8)};

    public boolean left() {
        return (mask & 1) != 0;
    }

    public boolean right() {
        return (mask & 2) != 0;
    }

    public boolean down() {
        return (mask & 4) != 0;
    }

    public boolean up() {
        return (mask & 8) != 0;
    }

    public void set(int mask) {
        this.mask = mask;
    }

    public void set(LRDU lrdu, boolean value) {
        if (value) {
            this.mask |= (1 << lrdu.dir);
        } else {
            this.mask &= ~(1 << lrdu.dir);
        }
    }

    public boolean get(LRDU lrdu) {
        return (mask & (1 << lrdu.dir)) != 0;
    }

    public void serialize(DataOutputStream stream) {
        try {
            stream.writeByte(mask);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void deserialize(DataInputStream stream) {
        try {
            set(stream.readByte());
        } catch (IOException e) {
            e.printStackTrace();
            set(0);
        }
    }
}