v0.7.4c: fixed various rare crash bugs

SPD-classes/src/main/java/com/watabou/noosa/Tilemap.java

@@ -189,8 +189,8 @@ public class Tilemap extends Visual {
 
 	}
 
-	private int camX, camY, camW, camH;
-	private int topLeft, bottomRight, length;
+	//private int camX, camY, camW, camH;
+	//private int topLeft, bottomRight, length;
 
 	@Override
 	public void draw() {
@@ -214,8 +214,9 @@ public class Tilemap extends Visual {
 			topLeftUpdating = -1;
 			updating.setEmpty();
 		}
-
-		Camera c = Camera.main;
+		
+		//FIXME temporarily disabled this optimization as it is suspected to cause crashes
+		/*Camera c = Camera.main;
 		//we treat the position of the tilemap as (0,0) here
 		camX = (int)(c.scroll.x/cellW - x/cellW);
 		camY = (int)(c.scroll.y/cellH - y/cellH);
@@ -242,7 +243,7 @@ public class Tilemap extends Visual {
 			length = bottomRight - topLeft + 1;
 
 		if (length <= 0)
-			return;
+			return;*/
 
 		NoosaScript script = NoosaScriptNoLighting.get();
 
@@ -252,7 +253,7 @@ public class Tilemap extends Visual {
 
 		script.camera( camera );
 
-		script.drawQuadSet( buffer, length, topLeft );
+		script.drawQuadSet( buffer, size, 0 );
 
 	}
 

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

@@ -35,7 +35,7 @@ public enum Music {
 	private boolean enabled = true;
 	private float volume = 1f;
 	
-	public void play( String assetName, boolean looping ) {
+	public synchronized void play( String assetName, boolean looping ) {
 		
 		if (isPlaying() && lastPlayed != null && lastPlayed.equals( assetName )) {
 			return;
@@ -57,25 +57,25 @@ public enum Music {
 		
 	}
 	
-	public void mute() {
+	public synchronized void mute() {
 		lastPlayed = null;
 		stop();
 	}
 	
-	public void pause() {
+	public synchronized void pause() {
 		if (player != null) {
 			player.pause();
 		}
 	}
 	
-	public void resume() {
+	public synchronized void resume() {
 		if (player != null) {
 			player.play();
 			player.setLooping(looping);
 		}
 	}
 	
-	public void stop() {
+	public synchronized void stop() {
 		if (player != null) {
 			player.stop();
 			player.dispose();
@@ -83,18 +83,18 @@ public enum Music {
 		}
 	}
 	
-	public void volume( float value ) {
+	public synchronized void volume( float value ) {
 		volume = value;
 		if (player != null) {
 			player.setVolume( value );
 		}
 	}
 	
-	public boolean isPlaying() {
+	public synchronized boolean isPlaying() {
 		return player != null && player.isPlaying();
 	}
 	
-	public void enable( boolean value ) {
+	public synchronized void enable( boolean value ) {
 		enabled = value;
 		if (isPlaying() && !value) {
 			stop();
@@ -104,7 +104,7 @@ public enum Music {
 		}
 	}
 	
-	public boolean isEnabled() {
+	public synchronized boolean isEnabled() {
 		return enabled;
 	}
 	

SPD-classes/src/main/java/com/watabou/utils/Bundle.java

@@ -150,6 +150,9 @@ public class Bundle {
 		} catch (JSONException e) {
 			Game.reportException(e);
 			return enumClass.getEnumConstants()[0];
+		} catch (IllegalArgumentException e) {
+			Game.reportException(e);
+			return enumClass.getEnumConstants()[0];
 		}
 	}
 	

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/DriedRose.java

@@ -217,10 +217,15 @@ public class DriedRose extends Artifact {
 	@Override
 	public String status() {
 		if (ghost == null && ghostID != 0){
-			Actor a = Actor.findById(ghostID);
-			if (a != null){
-				ghost = (GhostHero)a;
-			} else {
+			try {
+				Actor a = Actor.findById(ghostID);
+				if (a != null) {
+					ghost = (GhostHero) a;
+				} else {
+					ghostID = 0;
+				}
+			} catch ( ClassCastException e ){
+				ShatteredPixelDungeon.reportException(e);
 				ghostID = 0;
 			}
 		}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndRanking.java

@@ -93,10 +93,10 @@ public class WndRanking extends WndTabbed {
 	public void update() {
 		super.update();
 		
-		if (thread != null && !thread.isAlive()) {
-			thread = null;
+		if (thread != null && !thread.isAlive() && busy != null) {
 			if (error == null) {
 				remove( busy );
+				busy = null;
 				if (Dungeon.hero != null) {
 					createControls();
 				} else {
@@ -109,6 +109,12 @@ public class WndRanking extends WndTabbed {
 		}
 	}
 	
+	@Override
+	public void destroy() {
+		super.destroy();
+		thread = null;
+	}
+	
 	private void createControls() {
 		
 		String[] labels =