v3.0.0: added some sync safety checks to CharSprite

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/sprites/CharSprite.java

@@ -357,6 +357,7 @@ public class CharSprite extends MovieClip implements Tweener.Listener, MovieClip
 	}
 	
 	public void add( State state ) {
+		synchronized (State.class) {
 			switch (state) {
 				case BURNING:
 					burning = emitter();
@@ -415,8 +416,10 @@ public class CharSprite extends MovieClip implements Tweener.Listener, MovieClip
 					break;
 			}
 		}
+	}
 	
 	public void remove( State state ) {
+		synchronized (State.class) {
 			switch (state) {
 				case BURNING:
 					if (burning != null) {
@@ -488,6 +491,7 @@ public class CharSprite extends MovieClip implements Tweener.Listener, MovieClip
 					break;
 			}
 		}
+	}
 
 	public void aura( int color ){
 		if (aura != null){
@@ -525,6 +529,7 @@ public class CharSprite extends MovieClip implements Tweener.Listener, MovieClip
 			resetColor();
 		}
 
+		synchronized (State.class) {
 			if (burning != null) {
 				burning.visible = visible;
 			}
@@ -553,6 +558,7 @@ public class CharSprite extends MovieClip implements Tweener.Listener, MovieClip
 				aura.visible = visible;
 				aura.point(center());
 			}
+		}
 		if (sleeping) {
 			showSleep();
 		} else {