org.newdawn.slick.openal.Audio Java Examples

/**
	 * Gets the audio.
	 *
	 * @param name the name
	 * @return the audio
	 */
	public static Audio getAudio(String name) {
		Audio a = audio.get(name);
		if(a == null) {
//			System.err.println("Warn: " + name + " not explicitly defined");
			try{
				Audio b = AudioLoader.getAudio("WAV",
						ResourceLoader.getResourceAsStream("res/sfx/"+name+".wav"));
				audio.put(name, b);
				return b;
			} catch (Exception e){
				return null;
			}
		} else {
			return a;
		}
	}
 

public static Audio getAudio(String name) {
		Audio a = audio.get(name);
		if(a == null) {
//			System.err.println("Warn: " + name + " not explicitly defined");
			try{
				Audio b = AudioLoader.getAudio("WAV",
						ResourceLoader.getResourceAsStream("res/sfx/"+name+".wav"));
				audio.put(name, b);
				return b;
			} catch (Exception e){
				return null;
			}
		} else {
			return a;
		}
	}
 

/**
 * Loops the given audio according to settings.
 * 
 * @param name the music category
 */
public static void loop(String name){
	if (FEResources.getAudioVolume() <= 0) return;
	if (name.equals(currentName) && current.isPlaying()) return;
	
	current.stop();
	currentName = name;
	Map<String, ArrayList<String>> songs = loadAudioNames();
	
	try{
		String setting = FEResources.getAudioSetting(name.toUpperCase());
		if(setting.equals("random")){
			Random r = new Random();
			setting = name + "_" + songs.get(name).get(r.nextInt(songs.get(name).size()));
			if(setting.split("_").length<2)
				setting = name;
		}
		current = AudioLoader.getAudio("WAV",
				ResourceLoader.getResourceAsStream("res/music/"+setting+".wav"));
		current.playAsMusic(1.0f, FEResources.getAudioVolume(), true);
	} catch (Exception e){
		e.printStackTrace();
		System.err.println("Warn: Bad sound configuration: "+name);
		try{
			Audio b = AudioLoader.getAudio("WAV",
					ResourceLoader.getResourceAsStream("res/music/"+name+".wav"));
			b.playAsMusic(1.0f, FEResources.getAudioVolume(), true);
		}catch(Exception f){}
	}
}
 

public static void loop(String name){
	if(!enabled) return;
	if(name.equals(current)) return;
	try {
		current = name;
		Audio a = AudioLoader.getStreamingAudio("OGG", 
				ResourceLoader.getResource("res/music/"+name+".ogg"));
		a.playAsMusic(1, 1, true);
	} catch (IOException e) {
		e.printStackTrace();
	}
}
 

public static void restart(){
	if(!enabled) return;
	try {
		Audio a = AudioLoader.getStreamingAudio("OGG", 
				ResourceLoader.getResource("res/music/"+current+".ogg"));
		a.playAsMusic(1, 1, true);
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	
}
 

public static void playAudio(String name, float pitch, float gain, float x,
		float y, float z, float fade) {
	Audio audio = FEResources.getAudio(name);
	float cx, cy;
	if(camera == null) {
		cx = Game.getWindowWidth()/2;
		cy = Game.getWindowHeight()/2;
	} else {
		cx = camera.getX();
		cy = camera.getY();
	}
	audio.playAsSoundEffect(pitch, gain + globalGain, false, 
			(x - cx) / fade, (y - cy) / fade, z);
}
 

/**
 * Stops and releases all sources, clears each of the specified Audio
 * buffers, destroys the OpenAL context, and resets SoundStore for future use.
 *
 * Calling SoundStore.get().init() will re-initialize the OpenAL context
 * after a call to destroyOpenAL (Note: AudioLoader.getXXX calls init for you).
 *
 * @author davedes (http://slick.ninjacave.com/forum/viewtopic.php?t=3920)
 */
private static void destroyOpenAL() {
	if (!trackExists())
		return;
	stop();

	try {
		// get Music object's (private) Audio object reference
		Field sound = player.getClass().getDeclaredField("sound");
		sound.setAccessible(true);
		Audio audio = (Audio) (sound.get(player));

		// first clear the sources allocated by SoundStore
		int max = SoundStore.get().getSourceCount();
		IntBuffer buf = BufferUtils.createIntBuffer(max);
		for (int i = 0; i < max; i++) {
			int source = SoundStore.get().getSource(i);
			buf.put(source);

			// stop and detach any buffers at this source
			AL10.alSourceStop(source);
			AL10.alSourcei(source, AL10.AL_BUFFER, 0);
		}
		buf.flip();
		AL10.alDeleteSources(buf);
		int exc = AL10.alGetError();
		if (exc != AL10.AL_NO_ERROR) {
			throw new SlickException(
					"Could not clear SoundStore sources, err: " + exc);
		}

		// delete any buffer data stored in memory, too...
		if (audio != null && audio.getBufferID() != 0) {
			buf = BufferUtils.createIntBuffer(1).put(audio.getBufferID());
			buf.flip();
			AL10.alDeleteBuffers(buf);
			exc = AL10.alGetError();
			if (exc != AL10.AL_NO_ERROR) {
				throw new SlickException("Could not clear buffer "
						+ audio.getBufferID()
						+ ", err: "+exc);
			}
		}

		// clear OpenAL
		AL.destroy();

		// reset SoundStore so that next time we create a Sound/Music, it will reinit
		SoundStore.get().clear();

		player = null;
	} catch (Exception e) {
		softErr(e, "Failed to destroy OpenAL");
	}
}
 

/**
 * Play audio.
 *
 * @param name the name
 */
public static void playAudio(String name){
		Audio audio = FEResources.getAudio(name);
		audio.playAsSoundEffect(1.0f, FEResources.getAudioVolume(), false);
	
}
 

/**
 * Stops and releases all sources, clears each of the specified Audio
 * buffers, destroys the OpenAL context, and resets SoundStore for future use.
 *
 * Calling SoundStore.get().init() will re-initialize the OpenAL context
 * after a call to destroyOpenAL (Note: AudioLoader.getXXX calls init for you).
 *
 * @author davedes (http://slick.ninjacave.com/forum/viewtopic.php?t=3920)
 */
private static void destroyOpenAL() {
	if (!trackExists())
		return;
	stop();

	if (!AL.isCreated())
		return;

	try {
		// get Music object's (private) Audio object reference
		Field sound = player.getClass().getDeclaredField("sound");
		sound.setAccessible(true);
		Audio audio = (Audio) (sound.get(player));

		// first clear the sources allocated by SoundStore
		int max = SoundStore.get().getSourceCount();
		IntBuffer buf = BufferUtils.createIntBuffer(max);
		for (int i = 0; i < max; i++) {
			int source = SoundStore.get().getSource(i);
			buf.put(source);

			// stop and detach any buffers at this source
			AL10.alSourceStop(source);
			AL10.alSourcei(source, AL10.AL_BUFFER, 0);
		}
		buf.flip();
		AL10.alDeleteSources(buf);
		int exc = AL10.alGetError();
		if (exc != AL10.AL_NO_ERROR) {
			throw new SlickException(
					"Could not clear SoundStore sources, err: " + exc);
		}

		// delete any buffer data stored in memory, too...
		if (audio != null && audio.getBufferID() != 0) {
			buf = BufferUtils.createIntBuffer(1).put(audio.getBufferID());
			buf.flip();
			AL10.alDeleteBuffers(buf);
			exc = AL10.alGetError();
			if (exc != AL10.AL_NO_ERROR) {
				throw new SlickException("Could not clear buffer "
						+ audio.getBufferID()
						+ ", err: "+exc);
			}
		}

		// clear OpenAL
		AL.destroy();

		// reset SoundStore so that next time we create a Sound/Music, it will reinit
		SoundStore.get().clear();

		player = null;
	} catch (Exception e) {
		ErrorHandler.error("Failed to destroy the OpenAL context.", e, true);
	}
}
 

public static void playAudio(String name, float pitch, float gain) {
	Audio audio = FEResources.getAudio(name);
	audio.playAsSoundEffect(pitch, gain + globalGain, false);
}