v0.7.3: adjusted window saving to block restoring to a different scene type

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/PixelScene.java

@@ -136,9 +136,11 @@ public class PixelScene extends Scene {
 	
 	//FIXME this system currently only works for a subset of windows
 	private static ArrayList<Class<?extends Window>> savedWindows = new ArrayList<>();
+	private static Class<?extends PixelScene> savedClass = null;
 	
 	public void saveWindows(){
 		savedWindows.clear();
+		savedClass = getClass();
 		for (Gizmo g : members){
 			if (g instanceof Window){
 				savedWindows.add((Class<? extends Window>) g.getClass());
@@ -147,7 +149,7 @@ public class PixelScene extends Scene {
 	}
 	
 	public void restoreWindows(){
-		if (!savedWindows.isEmpty()){
+		if (getClass().equals(savedClass)){
 			for (Class<?extends Window> w : savedWindows){
 				try{
 					add(w.newInstance());
@@ -155,8 +157,8 @@ public class PixelScene extends Scene {
 					//window has no public zero-arg constructor, just eat the exception
 				}
 			}
-			savedWindows.clear();
 		}
+		savedWindows.clear();
 	}
 
 	@Override