Warning shit added

source/funkin/backend/system/Main.hx

@@ -1,5 +1,6 @@
 package funkin.backend.system;
 
+import funkin.editors.SaveWarning;
 import funkin.backend.assets.AssetsLibraryList;
 import funkin.backend.system.framerate.SystemInfo;
 import openfl.utils.AssetLibrary;
@@ -107,7 +108,8 @@ class Main extends Sprite
 	}
 
 	public static function loadGameSettings() {
-		WindowTitle.init();
+		WindowUtils.init();
+		SaveWarning.init();
 		MemoryUtil.init();
 		@:privateAccess
 		FlxG.game.getTimer = getTimer;

source/funkin/backend/utils/WindowUtils.hx

@@ -2,7 +2,7 @@ package funkin.backend.utils;
 
 import openfl.Lib;
 
-class WindowTitle {
+class WindowUtils {
 	public static var winTitle(default, set):String;
 	public static function set_winTitle(newWinTitle:String):String {
 		winTitle = newWinTitle;
@@ -22,9 +22,25 @@ class WindowTitle {
 		return endPrefix;
 	}
 
-	public static inline function init()
+	public static var preventClosing:Bool = true;
+	public static var onClosing:Void->Void;
+
+	static var __triedClosing:Bool = false;
+	public static inline function resetClosing() __triedClosing = false;
+
+	public static inline function init() {
 		reset();
 
+		Lib.application.window.onClose.add(function () {
+			if (preventClosing && !__triedClosing) {
+				Lib.application.window.onClose.cancel();
+				__triedClosing = true;
+			}
+			if (onClosing != null) onClosing();
+		});
+	}
+		
+
 	public static inline function reset() {
 		winTitle = Lib.application.meta["name"];
 		prefix = endfix = "";