added sources for Slick

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

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

@@ -0,0 +1,108 @@
+package org.newdawn.slick.openal;
+
+import java.io.IOException;
+import java.nio.IntBuffer;
+
+import org.lwjgl.BufferUtils;
+import org.lwjgl.openal.AL10;
+import org.newdawn.slick.util.Log;
+
+/**
+ * A sound implementation wrapped round a player which reads (and potentially) rereads
+ * a stream. This supplies streaming audio
+ *
+ * @author kevin
+ * @author Nathan Sweet <misc@n4te.com>
+ * @author Rockstar playAsMusic cleanup 
+ */
+public class StreamSound extends AudioImpl {
+	/** The player we're going to ask to stream data */
+	private OpenALStreamPlayer player;
+	
+	/**
+	 * Create a new sound wrapped round a stream
+	 * 
+	 * @param player The stream player we'll use to access the stream
+	 */
+	public StreamSound(OpenALStreamPlayer player) {
+		this.player = player;
+	}
+	
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#isPlaying()
+	 */
+	public boolean isPlaying() {
+		return SoundStore.get().isPlaying(player);
+	}
+
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#playAsMusic(float, float, boolean)
+	 */
+	public int playAsMusic(float pitch, float gain, boolean loop) {
+		try {
+			cleanUpSource();
+			
+			player.setup(pitch);
+			player.play(loop);
+			SoundStore.get().setStream(player);
+		} catch (IOException e) {
+			Log.error("Failed to read OGG source: "+player.getSource());
+		}
+		
+		return SoundStore.get().getSource(0);
+	}
+
+	/**
+	 * Clean up the buffers applied to the sound source
+	 */
+	private void cleanUpSource() {
+		SoundStore store = SoundStore.get();
+		
+		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);
+	}
+	
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#playAsSoundEffect(float, float, boolean, float, float, float)
+	 */
+	public int playAsSoundEffect(float pitch, float gain, boolean loop, float x, float y, float z) {
+		return playAsMusic(pitch, gain, loop);
+	}
+
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#playAsSoundEffect(float, float, boolean)
+	 */
+	public int playAsSoundEffect(float pitch, float gain, boolean loop) {
+		return playAsMusic(pitch, gain, loop);
+	}
+
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#stop()
+	 */
+	public void stop() {
+		SoundStore.get().setStream(null);
+	}
+
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#setPosition(float)
+	 */
+	public boolean setPosition(float position) {
+		return player.setPosition(position);
+	}
+
+	/**
+	 * @see org.newdawn.slick.openal.AudioImpl#getPosition()
+	 */
+	public float getPosition() {
+		return player.getPosition();
+	}
+}