Merge pull request #34 from blattersturm/fix/menu-visibility-performance

Profiler hot path fix: unneeded LINQ .Any invocation

Author: TomGrobbe

MenuAPI/Menu.cs

@@ -328,6 +328,8 @@ protected virtual void DynamicListItemSelectEvent(Menu menu, MenuDynamicListItem
 
         private int index = 0;
 
+        private bool visible = false;
+
         public int ViewIndexOffset { get; private set; } = 0;
 
         private List<MenuItem> VisibleMenuItems
@@ -371,7 +373,26 @@ private List<MenuItem> VisibleMenuItems
 
         public int Size => filterActive ? FilterItems.Count : MenuItems.Count;
 
-        public bool Visible { get; set; } = false;
+        public bool Visible
+        {
+            get
+            {
+                return visible;
+            }
+            set
+            {
+                if (value)
+                {
+                    MenuController.VisibleMenus.Add(this);
+                }
+                else
+                {
+                    MenuController.VisibleMenus.Remove(this);
+                }
+
+                visible = value;
+            }
+        }
 
 #if FIVEM
         public bool LeftAligned => MenuController.MenuAlignment == MenuController.MenuAlignmentOption.Left;

MenuAPI/MenuController.cs

@@ -13,6 +13,7 @@ namespace MenuAPI
     public class MenuController : BaseScript
     {
         public static List<Menu> Menus { get; protected set; } = new List<Menu>();
+        internal static HashSet<Menu> VisibleMenus { get; } = new HashSet<Menu>();
 #if FIVEM
         public const string _texture_dict = "commonmenu";
         public const string _header_texture = "interaction_bgd";
@@ -52,11 +53,11 @@ public class MenuController : BaseScript
         public static float ScreenHeight => 1080;
         public static bool DisableMenuButtons { get; set; } = false;
 #if FIVEM
-        public static bool AreMenuButtonsEnabled => Menus.Any((m) => m.Visible) && !Game.IsPaused && CitizenFX.Core.UI.Screen.Fading.IsFadedIn && !IsPlayerSwitchInProgress() && !DisableMenuButtons && !Game.Player.IsDead;
+        public static bool AreMenuButtonsEnabled => IsAnyMenuOpen() && !Game.IsPaused && CitizenFX.Core.UI.Screen.Fading.IsFadedIn && !IsPlayerSwitchInProgress() && !DisableMenuButtons && !Game.Player.IsDead;
 #endif
 #if REDM
         public static bool AreMenuButtonsEnabled =>
-            Menus.Any((m) => m.Visible) &&
+            IsAnyMenuOpen() &&
             !Call<bool>(IS_PAUSE_MENU_ACTIVE) &&
             Call<bool>(IS_SCREEN_FADED_IN) &&
             !DisableMenuButtons &&
@@ -268,16 +269,16 @@ private static void UnloadAssets()
         /// <returns></returns>
         public static Menu GetCurrentMenu()
         {
-            if (Menus.Any((m) => m.Visible))
-                return Menus.Find((m) => m.Visible);
+            if (IsAnyMenuOpen())
+                return VisibleMenus.FirstOrDefault();
             return null;
         }
 
         /// <summary>
         /// Returns true if any menu is currently open.
         /// </summary>
         /// <returns></returns>
-        public static bool IsAnyMenuOpen() => Menus.Any((m) => m.Visible);
+        public static bool IsAnyMenuOpen() => VisibleMenus.Count > 0;
 
 
         #region Process Menu Buttons