MoneyPowerupFeature.java

/*
 * Copyright (c) 2003-onwards Shaven Puppy Ltd
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'Shaven Puppy' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package worm.powerups;

import java.util.HashMap;
import java.util.Map;

import worm.GameStateInterface;

/**
 * @author Cas
 */
public class MoneyPowerupFeature extends PowerupFeature {

	private static final long serialVersionUID = 1L;

	/** Maps Integer amounts to {@link MoneyPowerupFeature}s */
	private static final Map<Integer, MoneyPowerupFeature> AMOUNTS = new HashMap<Integer, MoneyPowerupFeature>();

	/** Amount of money */
	private int amount;

	/**
	 * C'tor
	 * @param name
	 */
	public MoneyPowerupFeature(String name) {
		super(name);
	}

	/* (non-Javadoc)
	 * @see worm.powerups.PowerupFeature#doActivate(worm.GameStateInterface)
	 */
	@Override
	public void activate(GameStateInterface gsi) {
		gsi.addMoney(amount);
	}

	/* (non-Javadoc)
	 * @see worm.powerups.PowerupFeature#isAvailable()
	 */
	@Override
	public boolean isAvailable() {
		return true;
	}

	/* (non-Javadoc)
	 * @see worm.powerups.PowerupFeature#isCollectable()
	 */
	@Override
	public boolean isCollectable() {
		return false;
	}

	/* (non-Javadoc)
	 * @see worm.powerups.PowerupFeature#doRegister()
	 */
	@Override
	protected void doRegister() {
		AMOUNTS.put(new Integer(amount), this);
	}

	/* (non-Javadoc)
	 * @see worm.powerups.PowerupFeature#doDeregister()
	 */
	@Override
	protected void doDeregister() {
		AMOUNTS.remove(new Integer(amount));
	}


	public static PowerupFeature getInstance(int amount) {
		return AMOUNTS.get(new Integer(amount));
	}
}