Class Automator

java/Chapter 8/Question8_8/Automator.java:8–88

/* A helper class to automate this game. This is just used for testing purposes. */
public class Automator {
	private Player[] players;
	private Player lastPlayer = null;
	public ArrayList<Location> remainingMoves = new ArrayList<Location>();
	private static Automator instance;
	
	private Automator() {
		for (int i = 0; i < 10; i++) {
			for (int j = 0; j < 10; j++) {
				Location loc = new Location(i, j);
				remainingMoves.add(loc);
			}
		}
	}
	
	public static Automator getInstance() {
		if (instance == null) {
			instance = new Automator();
		}
		return instance;
	}
	
	public void initialize(Player[] ps) {
		players = ps;
		lastPlayer = players[1];
	}
	
	public void shuffle() {
		for (int i = 0; i < remainingMoves.size(); i++) {
			int t = AssortedMethods.randomIntInRange(i, remainingMoves.size() - 1);
			Location other = remainingMoves.get(t);
			Location current = remainingMoves.get(i);
			remainingMoves.set(t, current);
			remainingMoves.set(i, other);
		}
	}
	
	public void removeLocation(int r, int c) {
		for (int i = 0; i < remainingMoves.size(); i++) {
			Location loc = remainingMoves.get(i);
			if (loc.isSameAs(r, c)) {
				remainingMoves.remove(i);
			}
		}
	}
	
	public Location getLocation(int index) {
		return remainingMoves.get(index);
	}
	
	public boolean playRandom() {
		Board board = Game.getInstance().getBoard();
		shuffle();
		lastPlayer = lastPlayer == players[0] ? players[1] : players[0];
		String color = lastPlayer.getColor().toString();
		for (int i = 0; i < remainingMoves.size(); i++) {
			Location loc = remainingMoves.get(i);
			boolean success = lastPlayer.playPiece(loc.getRow(), loc.getColumn());