public byte[] byteSerialize() {
byte[] face = ArrayUtil.intToByteArray(f.val());
byte[] dir = ArrayUtil.intToByteArray(d.val());
byte[] s = ArrayUtil.intToByteArray(slice);
return ArrayUtil.concatenateArrays(face, dir, s);
}
@Override
public int compareTo(Twist t) {
int diff;
diff = f.val() - t.f.val();
if (diff != 0) return diff;
diff = d.val() - t.d.val();
if (diff != 0) return diff;
return slice - t.slice;
}
public static Twist byteDeserialize(byte[] src) {
int face = ArrayUtil.byteArrayToInt(Arrays.copyOfRange(src, 0, 4));
int dir = ArrayUtil.byteArrayToInt(Arrays.copyOfRange(src, 4, 8));
int s = ArrayUtil.byteArrayToInt(Arrays.copyOfRange(src, 8, 12));
return createTwist(Face.getFace(face), Dir.getDir(dir), s);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(String.format("%-4s", f.toString() + d.toString() + (slice == 0 ? "" : slice)));
return sb.toString();
}
private static int getKey(Face f, Dir d, int s) {
return (f.val() << 16) + (d.val() << 8) + s;
}