music.java

j2me游戏引擎 j2me游戏引擎

package cn.org.matrix.gmatrix.gameLab.engine.music;

import javax.microedition.media.*;

import cn.org.matrix.gmatrix.gameLab.GameObject;

import java.util.Vector;
/**
 * 音乐类：定义音乐资源ID、资源URL、播放方式、播放循环次数
 * @author cleverpig
 *
 */
public class Music extends GameObject{
	//播放方式：无限循环
	public static final int INFINITE_LOOP=1;
	//播放方式：有限次数播放
	public static final int FINITE_LOOP=2;
	//资源URL
	private String resURL=null;
	//音乐类型
	private String musicType=null;
	//播放方式
	private int playModel=0;
	//循环次数，在有限次数播放时有效
	private int loopNumber=0;
	//音乐播放器
	private Player musicPlayer=null;
	//当前播放次数
	private int currentPlayTimes=0;
	
	public Music(){
		super();
		currentPlayTimes=0;
	}
	
	public void loadProperties(Vector v){
		this.setId((String)v.elementAt(0));
		this.resURL=(String)v.elementAt(1);
		this.musicType=(String)v.elementAt(2);
		this.playModel=Integer.parseInt((String)v.elementAt(3));
		this.loopNumber=Integer.parseInt((String)v.elementAt(4));	
		try{
			musicPlayer=Manager.createPlayer(
					this.getClass().getResourceAsStream(resURL),
					musicType);
		}
		catch(Exception ex){
			ex.printStackTrace();
		}
	}
	
	/**
	 * 是否播放完毕，对于有限播放次数的播放方式有效
	 * @return 如果达到播放的循环次数，则返回true
	 */
	public boolean isPlayEnd(){
		if (playModel==FINITE_LOOP){
			return (currentPlayTimes>=loopNumber);
		}
		else{
			return false;
		}
	}
	
	/**
	 * 增加播放次数
	 *
	 */
	public void increasePlayTimes(){
		currentPlayTimes++;
	}
	
	public int getLoopNumber() {
		return loopNumber;
	}

	public int getPlayModel() {
		return playModel;
	}

	public String getResURL() {
		return resURL;
	}

	public String getMusicType() {
		return musicType;
	}

	public Player getMusicPlayer() {
		return musicPlayer;
	}
	
	public String toString(){
		return super.toString()
		+" resURL="+this.resURL
		+" musicType="+this.musicType
		+" playModel="+this.playModel
		+" loopNumber="+this.loopNumber;
	}
}