Cleanup

source/funkin/backend/assets/AssetsLibraryList.hx

@@ -87,7 +87,7 @@ class AssetsLibraryList extends AssetLibrary {
 			if (l is IModsAssetLibrary) {
 				var lib = cast(l, IModsAssetLibrary);
 				for(e in lib.getFolders(folder))
-					content.push(e);
+					content.pushOnce(e);
 			}
 			#end
 		}

source/funkin/backend/assets/ZipFolderLibrary.hx

@@ -140,8 +140,7 @@ class ZipFolderLibrary extends AssetLibrary implements IModsAssetLibrary {
 				var fileName = k.substr(_parsedAsset.length);
 				if (fileName.contains("/")) {
 					var s = fileName.split("/")[0];
-					if (!content.contains(s))
-						content.push(s);
+					content.pushOnce(s);
 				}
 			}
 		}

source/funkin/backend/system/Controls.hx

@@ -576,15 +576,8 @@ class Controls extends FlxActionSet
 		{
 			case null:
 				// add all
-				#if (haxe >= "4.0.0")
 				for (gamepad in controls.gamepadsAdded)
-					if (!gamepadsAdded.contains(gamepad))
-						gamepadsAdded.push(gamepad);
-				#else
-				for (gamepad in controls.gamepadsAdded)
-					if (gamepadsAdded.indexOf(gamepad) == -1)
-						gamepadsAdded.push(gamepad);
-				#end
+					gamepadsAdded.pushOnce(gamepad);
 
 				mergeKeyboardScheme(controls.keyboardScheme);
 
@@ -652,7 +645,7 @@ class Controls extends FlxActionSet
 		while (i-- > 0)
 		{
 			var input = action.inputs[i];
-			if (input.device == KEYBOARD && keys.indexOf(cast input.inputID) != -1)
+			if (input.device == KEYBOARD && keys.contains(cast input.inputID))
 				action.remove(input);
 		}
 	}
@@ -837,7 +830,7 @@ class Controls extends FlxActionSet
 		while (i-- > 0)
 		{
 			var input = action.inputs[i];
-			if (isGamepad(input, gamepadID) && buttons.indexOf(cast input.inputID) != -1)
+			if (isGamepad(input, gamepadID) && buttons.contains(cast input.inputID))
 				action.remove(input);
 		}
 	}

source/funkin/backend/utils/CoolUtil.hx

@@ -605,13 +605,14 @@ class CoolUtil
 	 * @return Index, or -1 if unsuccessful.
 	 */
 	public static inline function indexOfFromLast<T>(array:Array<T>, element:T):Int {
-		var i = array.length - 1;
+		/*var i = array.length - 1;
 		while(i >= 0) {
 			if (array[i] == element)
 				break;
 			i--;
 		}
-		return i;
+		return i;*/
+		return array.lastIndexOf(element);
 	}
 
 	/**
@@ -703,6 +704,35 @@ class CoolUtil
 
 	@:noUsing public static inline function flxeaseFromString(mainEase:String, suffix:String)
 		return Reflect.field(FlxEase, mainEase + (mainEase == "linear" ? "" : suffix));
+
+	public static function sortAlphabetically(array:Array<String>, ?lowercase:Bool=false) {
+		array.sort(function(a1, a2):Int {
+			if(lowercase) {
+				a1 = a1.toLowerCase();
+				a2 = a2.toLowerCase();
+			}
+			if (a1 < a2) return -1;
+			if (a1 > a2) return 1;
+			return 0;
+		});
+		return array;
+	}
+
+	public static inline function pushOnce<T>(array:Array<T>, element:T) {
+		#if (haxe >= "4.0.0")
+		if (!array.contains(element))
+			array.push(element);
+		#else
+		if (array.indexOf(element) == -1)
+			array.push(element);
+		#end
+	}
+
+	#if !(haxe >= "4.0.0")
+	public static inline function contains<T>(array:Array<T>, element:T) {
+		return array.indexOf(element) != -1;
+	}
+	#end
 }
 
 /**