Add a new play method that allows specification of a position for the sound source.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@723 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/openal/OpenALSoundPlayer.java

@@ -259,13 +259,27 @@ public class OpenALSoundPlayer extends SoundPlayer
 
     public void play (String pkgPath, String key, float pan, final float gain)
     {
+        play(null, pkgPath, key, gain, null);
+    }
+
+    public boolean play (SoundType type, String pkgPath, String key, final float gain,
+        final float[] pos)
+    {
+        if (type != null && !shouldPlay(type)) {
+            return false;
+        }
+
         getSoundQueue().postRunnable(new SoundGrabber(pkgPath, key) {
             @Override
             protected void soundLoaded () {
                 sound.setGain(gain);
+                if (pos != null) {
+                    sound.setPosition(pos[0], pos[1], pos[2]);
+                }
                 sound.play(true);
             }
         });
+        return true;
     }
 
     @Override