added sources for Slick

Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d

lib/slick-source/org/newdawn/slick/openal/MODSound.java

@@ -0,0 +1,105 @@
+package org.newdawn.slick.openal;
+
+import ibxm.Module;
+import ibxm.OpenALMODPlayer;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.IntBuffer;
+
+import org.lwjgl.BufferUtils;
+import org.lwjgl.openal.AL10;
+
+/**
+ * A sound as a MOD file - can only be played as music
+ * 
+ * @author Kevin Glass
+ */
+public class MODSound extends AudioImpl {
+	/** The MOD play back system */
+	private static OpenALMODPlayer player = new OpenALMODPlayer();
+	
+	/** The module to play back */
+	private Module module;
+	/** The sound store this belongs to */
+	private SoundStore store;
+	
+	/**
+	 * Create a mod sound to be played back 
+	 * 
+	 * @param store The store this sound belongs to 
+	 * @param in The input stream to read the data from
+	 * @throws IOException Indicates a failure to load a sound
+	 */
+	public MODSound(SoundStore store, InputStream in) throws IOException {
+		this.store = store;
+		module = OpenALMODPlayer.loadModule(in);
+	}
+	
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#playAsMusic(float, float, boolean)
+	 */
+	public int playAsMusic(float pitch, float gain, boolean loop) {
+		cleanUpSource();
+
+		player.play(module, store.getSource(0), loop, SoundStore.get().isMusicOn());
+		player.setup(pitch, 1.0f);
+		store.setCurrentMusicVolume(gain);
+		
+		store.setMOD(this);
+		
+		return store.getSource(0);
+	}
+
+	/**
+	 * Clean up the buffers applied to the sound source
+	 */
+	private void cleanUpSource() {
+		AL10.alSourceStop(store.getSource(0));
+		IntBuffer buffer = BufferUtils.createIntBuffer(1);
+		int queued = AL10.alGetSourcei(store.getSource(0), AL10.AL_BUFFERS_QUEUED);
+		
+		while (queued > 0)
+		{
+			AL10.alSourceUnqueueBuffers(store.getSource(0), buffer);
+			queued--;
+		}
+		
+		AL10.alSourcei(store.getSource(0), AL10.AL_BUFFER, 0);
+	}
+	
+	/**
+	 * Poll the streaming on the MOD
+	 */
+	public void poll() {
+		player.update();
+	}
+	
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#playAsSoundEffect(float, float, boolean)
+	 */
+	public int playAsSoundEffect(float pitch, float gain, boolean loop) {
+		return -1;
+	}
+
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#stop()
+	 */
+	public void stop() {
+		store.setMOD(null);
+	}
+
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#getPosition()
+	 */
+	public float getPosition() {
+		throw new RuntimeException("Positioning on modules is not currently supported");
+	}
+
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#setPosition(float)
+	 */
+	public boolean setPosition(float position) {
+		throw new RuntimeException("Positioning on modules is not currently supported");
+	}
+}