v1.0.1: fixed graphics stutter when tracks are switched

SPD-classes/src/main/java/com/watabou/noosa/audio/Music.java

@@ -29,6 +29,9 @@ import com.watabou.utils.Random;
 import java.awt.MediaTracker;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
 
 public enum Music {
 	
@@ -130,22 +133,29 @@ public enum Music {
 				return;
 			}
 
-			stop();
+			//we do this in a separate thread to avoid graphics hitching while the music is prepared
+			//FIXME this fixes graphics stutter but there's still some audio stutter, perhaps keep more than 1 player alive?
+			new Thread(){
+				@Override
+				public void run() {
+					Music.this.stop();
 
-			if (trackQueue.isEmpty()){
+					if (trackQueue.isEmpty()){
-				for (int i = 0; i < trackList.length; i++){
+						for (int i = 0; i < trackList.length; i++){
-					if (Random.Float() < trackChances[i]){
+							if (Random.Float() < trackChances[i]){
-						trackQueue.add(trackList[i]);
+								trackQueue.add(trackList[i]);
+							}
+						}
+						if (shuffle) Collections.shuffle(trackQueue);
 					}
+
+					if (!enabled || trackQueue.isEmpty()){
+						return;
+					}
+
+					play(trackQueue.remove(0), trackLooper);
 				}
-				if (shuffle) Collections.shuffle(trackQueue);
+			}.start();
-			}
-
-			if (!enabled || trackQueue.isEmpty()){
-				return;
-			}
-
-			play(trackQueue.remove(0), trackLooper);
 		}
 	};