更新Demo

2025-08-14 16:51:28 +00:00 · 2023-12-20 12:14:27 +08:00
parent f64bb37706
commit 17a5d7425c
847 changed files with 106095 additions and 0 deletions
--- a/UnityProject/Packages/UniTask/Runtime/PlayerLoopHelper.cs
+++ b/UnityProject/Packages/UniTask/Runtime/PlayerLoopHelper.cs
@@ -0,0 +1,581 @@
+#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
+
+using System;
+using System.Linq;
+using UnityEngine;
+using Cysharp.Threading.Tasks.Internal;
+using System.Threading;
+
+#if UNITY_2019_3_OR_NEWER
+using UnityEngine.LowLevel;
+using PlayerLoopType = UnityEngine.PlayerLoop;
+#else
+using UnityEngine.Experimental.LowLevel;
+using PlayerLoopType = UnityEngine.Experimental.PlayerLoop;
+#endif
+
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+
+namespace Cysharp.Threading.Tasks
+{
+    public static class UniTaskLoopRunners
+    {
+        public struct UniTaskLoopRunnerInitialization { };
+        public struct UniTaskLoopRunnerEarlyUpdate { };
+        public struct UniTaskLoopRunnerFixedUpdate { };
+        public struct UniTaskLoopRunnerPreUpdate { };
+        public struct UniTaskLoopRunnerUpdate { };
+        public struct UniTaskLoopRunnerPreLateUpdate { };
+        public struct UniTaskLoopRunnerPostLateUpdate { };
+
+        // Last
+
+        public struct UniTaskLoopRunnerLastInitialization { };
+        public struct UniTaskLoopRunnerLastEarlyUpdate { };
+        public struct UniTaskLoopRunnerLastFixedUpdate { };
+        public struct UniTaskLoopRunnerLastPreUpdate { };
+        public struct UniTaskLoopRunnerLastUpdate { };
+        public struct UniTaskLoopRunnerLastPreLateUpdate { };
+        public struct UniTaskLoopRunnerLastPostLateUpdate { };
+
+        // Yield
+
+        public struct UniTaskLoopRunnerYieldInitialization { };
+        public struct UniTaskLoopRunnerYieldEarlyUpdate { };
+        public struct UniTaskLoopRunnerYieldFixedUpdate { };
+        public struct UniTaskLoopRunnerYieldPreUpdate { };
+        public struct UniTaskLoopRunnerYieldUpdate { };
+        public struct UniTaskLoopRunnerYieldPreLateUpdate { };
+        public struct UniTaskLoopRunnerYieldPostLateUpdate { };
+
+        // Yield Last
+
+        public struct UniTaskLoopRunnerLastYieldInitialization { };
+        public struct UniTaskLoopRunnerLastYieldEarlyUpdate { };
+        public struct UniTaskLoopRunnerLastYieldFixedUpdate { };
+        public struct UniTaskLoopRunnerLastYieldPreUpdate { };
+        public struct UniTaskLoopRunnerLastYieldUpdate { };
+        public struct UniTaskLoopRunnerLastYieldPreLateUpdate { };
+        public struct UniTaskLoopRunnerLastYieldPostLateUpdate { };
+
+#if UNITY_2020_2_OR_NEWER
+        public struct UniTaskLoopRunnerTimeUpdate { };
+        public struct UniTaskLoopRunnerLastTimeUpdate { };
+        public struct UniTaskLoopRunnerYieldTimeUpdate { };
+        public struct UniTaskLoopRunnerLastYieldTimeUpdate { };
+#endif
+    }
+
+    public enum PlayerLoopTiming
+    {
+        Initialization = 0,
+        LastInitialization = 1,
+
+        EarlyUpdate = 2,
+        LastEarlyUpdate = 3,
+
+        FixedUpdate = 4,
+        LastFixedUpdate = 5,
+
+        PreUpdate = 6,
+        LastPreUpdate = 7,
+
+        Update = 8,
+        LastUpdate = 9,
+
+        PreLateUpdate = 10,
+        LastPreLateUpdate = 11,
+
+        PostLateUpdate = 12,
+        LastPostLateUpdate = 13,
+
+#if UNITY_2020_2_OR_NEWER
+        // Unity 2020.2 added TimeUpdate https://docs.unity3d.com/2020.2/Documentation/ScriptReference/PlayerLoop.TimeUpdate.html
+        TimeUpdate = 14,
+        LastTimeUpdate = 15,
+#endif
+    }
+
+    [Flags]
+    public enum InjectPlayerLoopTimings
+    {
+        /// <summary>
+        /// Preset: All loops(default).
+        /// </summary>
+        All =
+            Initialization | LastInitialization |
+            EarlyUpdate | LastEarlyUpdate |
+            FixedUpdate | LastFixedUpdate |
+            PreUpdate | LastPreUpdate |
+            Update | LastUpdate |
+            PreLateUpdate | LastPreLateUpdate |
+            PostLateUpdate | LastPostLateUpdate
+#if UNITY_2020_2_OR_NEWER
+            | TimeUpdate | LastTimeUpdate,
+#else
+            ,
+#endif
+
+        /// <summary>
+        /// Preset: All without last except LastPostLateUpdate.
+        /// </summary>
+        Standard =
+            Initialization |
+            EarlyUpdate |
+            FixedUpdate |
+            PreUpdate |
+            Update |
+            PreLateUpdate |
+            PostLateUpdate | LastPostLateUpdate
+#if UNITY_2020_2_OR_NEWER
+            | TimeUpdate
+#endif
+            ,
+
+        /// <summary>
+        /// Preset: Minimum pattern, Update | FixedUpdate | LastPostLateUpdate
+        /// </summary>
+        Minimum =
+            Update | FixedUpdate | LastPostLateUpdate,
+
+        // PlayerLoopTiming
+
+        Initialization = 1,
+        LastInitialization = 2,
+
+        EarlyUpdate = 4,
+        LastEarlyUpdate = 8,
+
+        FixedUpdate = 16,
+        LastFixedUpdate = 32,
+
+        PreUpdate = 64,
+        LastPreUpdate = 128,
+
+        Update = 256,
+        LastUpdate = 512,
+
+        PreLateUpdate = 1024,
+        LastPreLateUpdate = 2048,
+
+        PostLateUpdate = 4096,
+        LastPostLateUpdate = 8192
+
+#if UNITY_2020_2_OR_NEWER
+        ,
+        // Unity 2020.2 added TimeUpdate https://docs.unity3d.com/2020.2/Documentation/ScriptReference/PlayerLoop.TimeUpdate.html
+        TimeUpdate = 16384,
+        LastTimeUpdate = 32768
+#endif
+    }
+
+    public interface IPlayerLoopItem
+    {
+        bool MoveNext();
+    }
+
+    public static class PlayerLoopHelper
+    {
+        static readonly ContinuationQueue ThrowMarkerContinuationQueue = new ContinuationQueue(PlayerLoopTiming.Initialization);
+        static readonly PlayerLoopRunner ThrowMarkerPlayerLoopRunner = new PlayerLoopRunner(PlayerLoopTiming.Initialization);
+
+        public static SynchronizationContext UnitySynchronizationContext => unitySynchronizationContext;
+        public static int MainThreadId => mainThreadId;
+        internal static string ApplicationDataPath => applicationDataPath;
+
+        public static bool IsMainThread => Thread.CurrentThread.ManagedThreadId == mainThreadId;
+
+        static int mainThreadId;
+        static string applicationDataPath;
+        static SynchronizationContext unitySynchronizationContext;
+        static ContinuationQueue[] yielders;
+        static PlayerLoopRunner[] runners;
+        internal static bool IsEditorApplicationQuitting { get; private set; }
+        static PlayerLoopSystem[] InsertRunner(PlayerLoopSystem loopSystem,
+            bool injectOnFirst,
+            Type loopRunnerYieldType, ContinuationQueue cq,
+            Type loopRunnerType, PlayerLoopRunner runner)
+        {
+
+#if UNITY_EDITOR
+            EditorApplication.playModeStateChanged += (state) =>
+            {
+                if (state == PlayModeStateChange.EnteredEditMode || state == PlayModeStateChange.ExitingEditMode)
+                {
+                    IsEditorApplicationQuitting = true;
+                    // run rest action before clear.
+                    if (runner != null)
+                    {
+                        runner.Run();
+                        runner.Clear();
+                    }
+                    if (cq != null)
+                    {
+                        cq.Run();
+                        cq.Clear();
+                    }
+                    IsEditorApplicationQuitting = false;
+                }
+            };
+#endif
+
+            var yieldLoop = new PlayerLoopSystem
+            {
+                type = loopRunnerYieldType,
+                updateDelegate = cq.Run
+            };
+
+            var runnerLoop = new PlayerLoopSystem
+            {
+                type = loopRunnerType,
+                updateDelegate = runner.Run
+            };
+
+            // Remove items from previous initializations.
+            var source = RemoveRunner(loopSystem, loopRunnerYieldType, loopRunnerType);
+            var dest = new PlayerLoopSystem[source.Length + 2];
+
+            Array.Copy(source, 0, dest, injectOnFirst ? 2 : 0, source.Length);
+            if (injectOnFirst)
+            {
+                dest[0] = yieldLoop;
+                dest[1] = runnerLoop;
+            }
+            else
+            {
+                dest[dest.Length - 2] = yieldLoop;
+                dest[dest.Length - 1] = runnerLoop;
+            }
+
+            return dest;
+        }
+
+        static PlayerLoopSystem[] RemoveRunner(PlayerLoopSystem loopSystem, Type loopRunnerYieldType, Type loopRunnerType)
+        {
+            return loopSystem.subSystemList
+                .Where(ls => ls.type != loopRunnerYieldType && ls.type != loopRunnerType)
+                .ToArray();
+        }
+
+        static PlayerLoopSystem[] InsertUniTaskSynchronizationContext(PlayerLoopSystem loopSystem)
+        {
+            var loop = new PlayerLoopSystem
+            {
+                type = typeof(UniTaskSynchronizationContext),
+                updateDelegate = UniTaskSynchronizationContext.Run
+            };
+
+            // Remove items from previous initializations.
+            var source = loopSystem.subSystemList
+                .Where(ls => ls.type != typeof(UniTaskSynchronizationContext))
+                .ToArray();
+
+            var dest = new System.Collections.Generic.List<PlayerLoopSystem>(source);
+
+            var index = dest.FindIndex(x => x.type.Name == "ScriptRunDelayedTasks");
+            if (index == -1)
+            {
+                index = dest.FindIndex(x => x.type.Name == "UniTaskLoopRunnerUpdate");
+            }
+
+            dest.Insert(index + 1, loop);
+
+            return dest.ToArray();
+        }
+
+#if UNITY_2020_1_OR_NEWER
+		[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterAssembliesLoaded)]
+#else
+		[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+#endif
+        static void Init()
+        {
+            // capture default(unity) sync-context.
+            unitySynchronizationContext = SynchronizationContext.Current;
+            mainThreadId = Thread.CurrentThread.ManagedThreadId;
+            try
+            {
+                applicationDataPath = Application.dataPath;
+            }
+            catch { }
+
+#if UNITY_EDITOR && UNITY_2019_3_OR_NEWER
+            // When domain reload is disabled, re-initialization is required when entering play mode; 
+            // otherwise, pending tasks will leak between play mode sessions.
+            var domainReloadDisabled = UnityEditor.EditorSettings.enterPlayModeOptionsEnabled &&
+                UnityEditor.EditorSettings.enterPlayModeOptions.HasFlag(UnityEditor.EnterPlayModeOptions.DisableDomainReload);
+            if (!domainReloadDisabled && runners != null) return;
+#else
+            if (runners != null) return; // already initialized
+#endif
+
+            var playerLoop =
+#if UNITY_2019_3_OR_NEWER
+                PlayerLoop.GetCurrentPlayerLoop();
+#else
+                PlayerLoop.GetDefaultPlayerLoop();
+#endif
+
+            Initialize(ref playerLoop);
+        }
+
+
+#if UNITY_EDITOR
+
+        [InitializeOnLoadMethod]
+        static void InitOnEditor()
+        {
+            // Execute the play mode init method
+            Init();
+
+            // register an Editor update delegate, used to forcing playerLoop update
+            EditorApplication.update += ForceEditorPlayerLoopUpdate;
+        }
+
+        private static void ForceEditorPlayerLoopUpdate()
+        {
+            if (EditorApplication.isPlayingOrWillChangePlaymode || EditorApplication.isCompiling || EditorApplication.isUpdating)
+            {
+                // Not in Edit mode, don't interfere
+                return;
+            }
+
+            // EditorApplication.QueuePlayerLoopUpdate causes performance issue, don't call directly.
+            // EditorApplication.QueuePlayerLoopUpdate();
+
+            if (yielders != null)
+            {
+                foreach (var item in yielders)
+                {
+                    if (item != null) item.Run();
+                }
+            }
+
+            if (runners != null)
+            {
+                foreach (var item in runners)
+                {
+                    if (item != null) item.Run();
+                }
+            }
+
+            UniTaskSynchronizationContext.Run();
+        }
+
+#endif
+
+        private static int FindLoopSystemIndex(PlayerLoopSystem[] playerLoopList, Type systemType)
+        {
+            for (int i = 0; i < playerLoopList.Length; i++)
+            {
+                if (playerLoopList[i].type == systemType)
+                {
+                    return i;
+                }
+            }
+
+            throw new Exception("Target PlayerLoopSystem does not found. Type:" + systemType.FullName);
+        }
+
+        static void InsertLoop(PlayerLoopSystem[] copyList, InjectPlayerLoopTimings injectTimings, Type loopType, InjectPlayerLoopTimings targetTimings,
+            int index, bool injectOnFirst, Type loopRunnerYieldType, Type loopRunnerType, PlayerLoopTiming playerLoopTiming)
+        {
+            var i = FindLoopSystemIndex(copyList, loopType);
+            if ((injectTimings & targetTimings) == targetTimings)
+            {
+                copyList[i].subSystemList = InsertRunner(copyList[i], injectOnFirst,
+                    loopRunnerYieldType, yielders[index] = new ContinuationQueue(playerLoopTiming),
+                    loopRunnerType, runners[index] = new PlayerLoopRunner(playerLoopTiming));
+            }
+            else
+            {
+                copyList[i].subSystemList = RemoveRunner(copyList[i], loopRunnerYieldType, loopRunnerType);
+            }
+        }
+
+        public static void Initialize(ref PlayerLoopSystem playerLoop, InjectPlayerLoopTimings injectTimings = InjectPlayerLoopTimings.All)
+        {
+#if UNITY_2020_2_OR_NEWER
+            yielders = new ContinuationQueue[16];
+            runners = new PlayerLoopRunner[16];
+#else
+            yielders = new ContinuationQueue[14];
+            runners = new PlayerLoopRunner[14];
+#endif
+
+            var copyList = playerLoop.subSystemList.ToArray();
+
+            // Initialization
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.Initialization),
+                InjectPlayerLoopTimings.Initialization, 0, true,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerYieldInitialization), typeof(UniTaskLoopRunners.UniTaskLoopRunnerInitialization), PlayerLoopTiming.Initialization);
+
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.Initialization),
+                InjectPlayerLoopTimings.LastInitialization, 1, false,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastYieldInitialization), typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastInitialization), PlayerLoopTiming.LastInitialization);
+
+            // EarlyUpdate
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.EarlyUpdate),
+                InjectPlayerLoopTimings.EarlyUpdate, 2, true,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerYieldEarlyUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerEarlyUpdate), PlayerLoopTiming.EarlyUpdate);
+
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.EarlyUpdate),
+                InjectPlayerLoopTimings.LastEarlyUpdate, 3, false,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastYieldEarlyUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastEarlyUpdate), PlayerLoopTiming.LastEarlyUpdate);
+
+            // FixedUpdate
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.FixedUpdate),
+                InjectPlayerLoopTimings.FixedUpdate, 4, true,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerYieldFixedUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerFixedUpdate), PlayerLoopTiming.FixedUpdate);
+
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.FixedUpdate),
+                InjectPlayerLoopTimings.LastFixedUpdate, 5, false,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastYieldFixedUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastFixedUpdate), PlayerLoopTiming.LastFixedUpdate);
+
+            // PreUpdate
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.PreUpdate),
+                InjectPlayerLoopTimings.PreUpdate, 6, true,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerYieldPreUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerPreUpdate), PlayerLoopTiming.PreUpdate);
+
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.PreUpdate),
+                InjectPlayerLoopTimings.LastPreUpdate, 7, false,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastYieldPreUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastPreUpdate), PlayerLoopTiming.LastPreUpdate);
+
+            // Update
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.Update),
+                InjectPlayerLoopTimings.Update, 8, true,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerYieldUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerUpdate), PlayerLoopTiming.Update);
+
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.Update),
+                InjectPlayerLoopTimings.LastUpdate, 9, false,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastYieldUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastUpdate), PlayerLoopTiming.LastUpdate);
+
+            // PreLateUpdate
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.PreLateUpdate),
+                InjectPlayerLoopTimings.PreLateUpdate, 10, true,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerYieldPreLateUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerPreLateUpdate), PlayerLoopTiming.PreLateUpdate);
+
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.PreLateUpdate),
+                InjectPlayerLoopTimings.LastPreLateUpdate, 11, false,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastYieldPreLateUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastPreLateUpdate), PlayerLoopTiming.LastPreLateUpdate);
+
+            // PostLateUpdate
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.PostLateUpdate),
+                InjectPlayerLoopTimings.PostLateUpdate, 12, true,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerYieldPostLateUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerPostLateUpdate), PlayerLoopTiming.PostLateUpdate);
+
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.PostLateUpdate),
+                InjectPlayerLoopTimings.LastPostLateUpdate, 13, false,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastYieldPostLateUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastPostLateUpdate), PlayerLoopTiming.LastPostLateUpdate);
+
+#if UNITY_2020_2_OR_NEWER
+            // TimeUpdate
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.TimeUpdate),
+                InjectPlayerLoopTimings.TimeUpdate, 14, true,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerYieldTimeUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerTimeUpdate), PlayerLoopTiming.TimeUpdate);
+
+            InsertLoop(copyList, injectTimings, typeof(PlayerLoopType.TimeUpdate),
+                InjectPlayerLoopTimings.LastTimeUpdate, 15, false,
+                typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastYieldTimeUpdate), typeof(UniTaskLoopRunners.UniTaskLoopRunnerLastTimeUpdate), PlayerLoopTiming.LastTimeUpdate);
+#endif
+
+            // Insert UniTaskSynchronizationContext to Update loop
+            var i = FindLoopSystemIndex(copyList, typeof(PlayerLoopType.Update));
+            copyList[i].subSystemList = InsertUniTaskSynchronizationContext(copyList[i]);
+
+            playerLoop.subSystemList = copyList;
+            PlayerLoop.SetPlayerLoop(playerLoop);
+        }
+
+        public static void AddAction(PlayerLoopTiming timing, IPlayerLoopItem action)
+        {
+            var runner = runners[(int)timing];
+            if (runner == null)
+            {
+                ThrowInvalidLoopTiming(timing);
+            }
+            runner.AddAction(action);
+        }
+
+        static void ThrowInvalidLoopTiming(PlayerLoopTiming playerLoopTiming)
+        {
+            throw new InvalidOperationException("Target playerLoopTiming is not injected. Please check PlayerLoopHelper.Initialize. PlayerLoopTiming:" + playerLoopTiming);
+        }
+
+        public static void AddContinuation(PlayerLoopTiming timing, Action continuation)
+        {
+            var q = yielders[(int)timing];
+            if (q == null)
+            {
+                ThrowInvalidLoopTiming(timing);
+            }
+            q.Enqueue(continuation);
+        }
+
+        // Diagnostics helper
+
+#if UNITY_2019_3_OR_NEWER
+
+        public static void DumpCurrentPlayerLoop()
+        {
+            var playerLoop = UnityEngine.LowLevel.PlayerLoop.GetCurrentPlayerLoop();
+
+            var sb = new System.Text.StringBuilder();
+            sb.AppendLine($"PlayerLoop List");
+            foreach (var header in playerLoop.subSystemList)
+            {
+                sb.AppendFormat("------{0}------", header.type.Name);
+                sb.AppendLine();
+                
+                if (header.subSystemList is null) 
+                {
+                    sb.AppendFormat("{0} has no subsystems!", header.ToString());
+                    sb.AppendLine();
+                    continue;
+                }
+
+                foreach (var subSystem in header.subSystemList)
+                {
+                    sb.AppendFormat("{0}", subSystem.type.Name);
+                    sb.AppendLine();
+
+                    if (subSystem.subSystemList != null)
+                    {
+                        UnityEngine.Debug.LogWarning("More Subsystem:" + subSystem.subSystemList.Length);
+                    }
+                }
+            }
+
+            UnityEngine.Debug.Log(sb.ToString());
+        }
+
+        public static bool IsInjectedUniTaskPlayerLoop()
+        {
+            var playerLoop = UnityEngine.LowLevel.PlayerLoop.GetCurrentPlayerLoop();
+
+            foreach (var header in playerLoop.subSystemList)
+            {
+                if (header.subSystemList is null) 
+                { 
+                    continue;
+                }
+                
+                foreach (var subSystem in header.subSystemList)
+                {
+                    if (subSystem.type == typeof(UniTaskLoopRunners.UniTaskLoopRunnerInitialization))
+                    {
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+
+#endif
+
+    }
+}
+