Fixed a bug where sounds weren't reloaded when changing skins.

When restarting the program through the options menu, all sounds now get reloaded if the skin was changed.

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>

src/itdelatrisu/opsu/Options.java

@@ -911,15 +911,12 @@ public class Options {
 	 * If the directory is invalid, the default skin will be loaded.
 	 */
 	public static void loadSkin() {
-		File root = getSkinRootDir();
-		File skinDir = new File(root, skinName);
-		if (!skinDir.isDirectory()) {  // invalid skin name
+		File skinDir = getSkinDir();
+		if (skinDir == null)  // invalid skin name
 			skinName = Skin.DEFAULT_SKIN_NAME;
-			skinDir = null;
-		}
 
 		// create available skins list
-		File[] dirs = SkinLoader.getSkinDirectories(root);
+		File[] dirs = SkinLoader.getSkinDirectories(getSkinRootDir());
 		skinDirs = new String[dirs.length + 1];
 		skinDirs[0] = Skin.DEFAULT_SKIN_NAME;
 		for (int i = 0; i < dirs.length; i++)
@@ -953,6 +950,21 @@ public class Options {
 	 */
 	public static Skin getSkin() { return skin; }
 
+	/**
+	 * Returns the current skin directory.
+	 * <p>
+	 * NOTE: This directory will differ from that of the currently loaded skin
+	 * if {@link #loadSkin()} has not been called after a directory change.
+	 * Use {@link Skin#getDirectory()} to get the directory of the currently
+	 * loaded skin.
+	 * @return the skin directory, or null for the default skin
+	 */
+	public static File getSkinDir() {
+		File root = getSkinRootDir();
+		File dir = new File(root, skinName);
+		return (dir.isDirectory()) ? dir : null;
+	}
+
 	/**
 	 * Returns a dummy Beatmap containing the theme song.
 	 * @return the theme song beatmap

src/itdelatrisu/opsu/audio/HitSound.java

@@ -105,6 +105,12 @@ public enum HitSound implements SoundController.SoundComponent {
 		return (currentSampleSet != null) ? clips.get(currentSampleSet) : null;
 	}
 
+	/**
+	 * Returns the Clip associated with the given sample set.
+	 * @param s the sample set
+	 */
+	public MultiClip getClip(SampleSet s) { return clips.get(s); }
+
 	/**
 	 * Sets the hit sound Clip for the sample type.
 	 * @param s the sample set

src/itdelatrisu/opsu/audio/SoundController.java

@@ -207,7 +207,14 @@ public class SoundController {
 				ErrorHandler.error(String.format("Could not find sound file '%s'.", s.getFileName()), null, false);
 				continue;
 			}
-			s.setClip(loadClip(currentFileName, currentFileName.endsWith(".mp3")));
+			MultiClip newClip = loadClip(currentFileName, currentFileName.endsWith(".mp3"));
+			if (s.getClip() != null) {  // clip previously loaded (e.g. program restart)
+				if (newClip != null) {
+					s.getClip().destroy();  // destroy previous clip
+					s.setClip(newClip);
+				}
+			} else
+				s.setClip(newClip);
 			currentFileIndex++;
 		}
 
@@ -219,7 +226,14 @@ public class SoundController {
 					ErrorHandler.error(String.format("Could not find hit sound file '%s'.", filename), null, false);
 					continue;
 				}
-				s.setClip(ss, loadClip(currentFileName, false));
+				MultiClip newClip = loadClip(currentFileName, false);
+				if (s.getClip(ss) != null) {  // clip previously loaded (e.g. program restart)
+					if (newClip != null) {
+						s.getClip(ss).destroy();  // destroy previous clip
+						s.setClip(ss, newClip);
+					}
+				} else
+					s.setClip(ss, newClip);
 				currentFileIndex++;
 			}
 		}

src/itdelatrisu/opsu/states/Splash.java

@@ -55,6 +55,9 @@ public class Splash extends BasicGameState {
 	/** Number of times the 'Esc' key has been pressed. */
 	private int escapeCount = 0;
 
+	/** Whether the skin being loaded is a new skin (for program restarts). */
+	private boolean newSkin = false;
+
 	// game-related variables
 	private int state;
 	private GameContainer container;
@@ -69,6 +72,10 @@ public class Splash extends BasicGameState {
 			throws SlickException {
 		this.container = container;
 
+		// check if skin changed
+		if (Options.getSkin() != null)
+			this.newSkin = (Options.getSkin().getDirectory() != Options.getSkinDir());
+
 		// load Utils class first (needed in other 'init' methods)
 		Utils.init(container, game);
 
@@ -89,11 +96,27 @@ public class Splash extends BasicGameState {
 		if (!init) {
 			init = true;
 
-			if (BeatmapSetList.get() != null) {
 			// resources already loaded (from application restart)
+			if (BeatmapSetList.get() != null) {
+				// reload sounds if skin changed
+				if (newSkin) {
+					thread = new Thread() {
+						@Override
+						public void run() {
+							// TODO: only reload each sound if actually needed?
+							SoundController.init();
+
 							finished = true;
-			} else {
-				// load resources in a new thread
+							thread = null;
+						}
+					};
+					thread.start();
+				} else  // don't reload anything
+					finished = true;
+			}
+
+			// load all resources in a new thread
+			else {
 				thread = new Thread() {
 					@Override
 					public void run() {