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path: root/src/jrummikub/control/turn/BaseAIControl.java
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package jrummikub.control.turn;

import java.util.ArrayList;
import java.util.List;

import javax.swing.SwingUtilities;

import jrummikub.control.ITurnTimer;
import jrummikub.control.TurnTimer;
import jrummikub.util.Connection;
import jrummikub.util.IListener;

/**
 * Base class for AI players
 * 
 */
public class BaseAIControl extends AbstractTurnControl {
	long startTime;
	private ITurnTimer turnTimer;
	private List<Connection> connections = new ArrayList<Connection>();
	private Thread computeThread;

	private volatile boolean stopRunning = false;

	@Override
	public void startTurn() {
		turnTimer = new TurnTimer(view);
		connections.add(turnTimer.getTimeRunOutEvent().add(new IListener() {

			@Override
			public void handle() {
				cleanUp();
				endOfTurnEvent.emit();
			}
		}));

		computeThread = new Thread(new Runnable() {
			@Override
			public void run() {
				compute();
			}
		});
		startTime = System.currentTimeMillis();

		turnTimer.startTimer();
		computeThread.start();
	}

	private void cleanUp() {
		turnTimer.stopTimer();

		for (Connection c : connections) {
			c.remove();
		}
		stopRunning = true;
	}

	private void compute() {
		if (mayRedeal) {
			emitRedeal();
		} else {
			if (player.getLaidOut()) {
				layOut();
			} else {
				emitEndOfTurn();
			}
		}
	}

	private void layOut() {
		emitEndOfTurn();
	}

	private void emitRedeal() {
		SwingUtilities.invokeLater(new Runnable() {
			@Override
			public void run() {
				cleanUp();
				redealEvent.emit();
			}
		});
	}

	private void emitEndOfTurn() {
		long timeElapsed = System.currentTimeMillis() - startTime;
		long timeNeeded = Math.min((long) (1000 + Math.random() * hand.getSize()
				* 100), 50000);
		long waitTime = timeNeeded - timeElapsed;

		if (waitTime > 0) {
			try {
				Thread.sleep(waitTime);
			} catch (InterruptedException e) {
				// This shouldn't happen
			}
		}

		SwingUtilities.invokeLater(new Runnable() {
			@Override
			public void run() {
				cleanUp();
				endOfTurnEvent.emit();
			}
		});
	}

	/**
	 * Get the factory for the base AI control
	 * 
	 * @return the factory
	 */
	static public TurnControlFactory getFactory() {
		return new TurnControlFactory() {
			@Override
			public ITurnControl create() {
				return new BaseAIControl();
			}
		};
	}

}