baseaudiorenderer.java

一个java的免费游戏引擎,里面有文档,和例子

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 

package com.golden.gamedev.engine;

import java.net.URL;

public abstract class BaseAudioRenderer
{

    public static final int PLAYING = 1;
    public static final int STOPPED = 2;
    public static final int END_OF_SOUND = 3;
    public static final int ERROR = 4;
    private URL e;
    private boolean f;
    protected int status;
    protected float volume;

    public BaseAudioRenderer()
    {
        volume = 1.0F;
        status = 2;
    }

    protected abstract void playSound(URL url);

    protected abstract void replaySound(URL url);

    protected abstract void stopSound();

    protected void setSoundVolume(float f1)
    {
    }

    public void play(URL url)
    {
        status = 1;
        if(e == url)
        {
            replaySound(url);
            return;
        } else
        {
            e = url;
            playSound(url);
            return;
        }
    }

    public void play()
    {
        status = 1;
        replaySound(e);
    }

    public void stop()
    {
        if(e != null && status == 1)
        {
            status = 2;
            stopSound();
        }
    }

    public void setLoop(boolean flag)
    {
        f = flag;
    }

    public boolean isLoop()
    {
        return f;
    }

    public void setVolume(float f1)
    {
        if(volume != f1 && isVolumeSupported())
        {
            volume = f1;
            setSoundVolume(f1);
        }
    }

    public float getVolume()
    {
        return volume;
    }

    public boolean isVolumeSupported()
    {
        return true;
    }

    public URL getAudioFile()
    {
        return e;
    }

    public int getStatus()
    {
        return status;
    }

    public abstract boolean isAvailable();
}