gamecontrol.java

非常好的java collapse游戏代码

/*
 * JCollapse - Java Collapse Game
 * Copyright (C) 2005 Erico Gon鏰lves Rimoli
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package sourceforge.net.projects.jcollapse.game.components;

import java.io.Serializable;
import java.util.ArrayList;

/**
 * GameControl control the score, level, etc... 
 * @author erico
 */
public class GameControl implements Serializable {
	private transient int m_Level = -1;
	private transient int m_Score = -1;
	
	private int m_HighLevel = -1;
	private int m_HighScore = -1;
	
	private transient ArrayList<GameControlListener> m_GameControlListener;

	/**
	 * Constructor for GameControl 
	 */
	public GameControl() {
		initializeComponents();
	}
	
	private void initializeComponents() {
		m_GameControlListener = new ArrayList<GameControlListener>(1);
	}
	
	/**
	 * Add a new GameControlListener that listen for events in this control
	 * @param gameControlListener GameControlListener object
	 */
	public void addGameControlListener( GameControlListener gameControlListener ) {
		m_GameControlListener.add( gameControlListener );
	}
	
	/**
	 * Remove GameControlListener that listen for events in this control
	 * @param gameControlListener the GameControlListener object
	 * @return true if GameControlListener is removed
	 */
	public boolean removeGameControlListener( GameControlListener gameControlListener ) {
		return m_GameControlListener.remove( gameControlListener );
	}
	
	/**
	 * Reset score and level values
	 */
	public void reset() {
		setLevel( 0 );
		setScore( 0 );
	}
	
	/**
	 * Reset all values including high score and high level
	 */
	public void resetAll() {
		reset();
		m_HighLevel = 0;
		m_HighScore = 0;
	}
	
	/**
	 * Get the current level
	 * @return the current level
	 */
	public int getLevel() {
		return m_Level;
	}
	
	/**
	 * Set the current level
	 * @param currentLevel the current level
	 */
	public void setLevel( int currentLevel ) {
		m_Level = currentLevel;
		fireLevelChanged( m_Level );
		
		if( m_Level > m_HighLevel ) {
			m_HighLevel = m_Level;
			fireHighLevelChanged( m_HighLevel );
		}
	}
	
	/**
	 * Add level like this: setCurrentLevel( getCurrentLevel() + 1 );
	 */
	public void addLevel() {
		setLevel( getLevel() + 1 );
	}
	
	/**
	 * Get the score
	 * @return the score
	 */
	public int getScore() {
		return m_Score;
	}
	
	/**
	 * Add score
	 * @param score score to be added
	 * @return the new score
	 */
	public int addScore( int score ) {
		setScore( getScore() + score );
		return getScore();
	}
	
	/**
	 * Set the score
	 * @param score the score
	 */
	public void setScore( int score ) {
		m_Score = score;
		fireScoreChanged( score );
		
		if( m_Score > m_HighScore ) {
			m_HighScore = m_Score;
			fireHighScoreChanged( m_HighScore );
		}
	}
	
	private void fireScoreChanged( int newScore ) {
		for( GameControlListener l : m_GameControlListener )
			l.scoreChanged( newScore );
	}
	
	private void fireLevelChanged( int newLevel ) {
		for( GameControlListener l : m_GameControlListener )
			l.levelChanged( newLevel );
	}
	
	private void fireHighScoreChanged( int newHighScore ) {
		for( GameControlListener l : m_GameControlListener )
			l.highScoreChanged( newHighScore );
	}
	
	private void fireHighLevelChanged( int newHighLevel ) {
		for( GameControlListener l : m_GameControlListener )
			l.highLevelChanged( newHighLevel );
	}
}