Before 优化 机场

Assets/Plugins/Kamgam/UIToolkitBlurredBackground/Runtime/Scripts/BlurManagerUpdater.cs

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+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace Kamgam.UIToolkitBlurredBackground
+{
+    /// <summary>
+    /// This class ensure update is called in play and in edit mode.
+    /// </summary>
+    [HelpURL("https://kamgam.com/unity/UIToolkitBlurredBackgroundManual.pdf")]
+    public partial class BlurManagerUpdater : MonoBehaviour
+    {
+        static BlurManagerUpdater _instance;
+        static BlurManagerUpdater instance
+        {
+            get
+            {
+                if (_instance == null)
+                {
+                    _instance = Utils.FindRootObjectByType<BlurManagerUpdater>(includeInactive: true);
+                    if (_instance == null)
+                    {
+                        var go = new GameObject("UIToolkit BlurredBackground Updater");
+                        _instance = go.AddComponent<BlurManagerUpdater>();
+                        _instance.hideFlags = HideFlags.DontSave;
+                        Utils.SmartDontDestroyOnLoad(_instance.gameObject);
+                    }
+                }
+                return _instance;
+            }
+        }
+
+        public Action OnUpdate;
+
+        public void Update()
+        {
+            OnUpdate?.Invoke();
+        }
+
+        public static void Init(Action updateFunc)
+        {
+#if !UNITY_EDITOR
+            // Runtime
+            instance.OnUpdate += updateFunc;
+#else
+            // Editor
+            _action = updateFunc;
+            if (EditorApplication.isPlayingOrWillChangePlaymode)
+            {
+                instance.OnUpdate += updateFunc;
+            }
+            else
+            {
+                EditorApplication.update -= updateInEditor;
+                EditorApplication.update += updateInEditor;
+            }
+
+            EditorApplication.playModeStateChanged -= onPlayModeChanged;
+            EditorApplication.playModeStateChanged += onPlayModeChanged;
+#endif
+        }
+
+#if UNITY_EDITOR
+        static Action _action;
+        static void updateInEditor()
+        {
+            if (!EditorApplication.isPlayingOrWillChangePlaymode) // Just to be extra sure.
+                _action.Invoke();
+        }
+
+        private static void onPlayModeChanged(PlayModeStateChange obj)
+        {
+            if (obj == PlayModeStateChange.ExitingPlayMode)
+            {
+                EditorApplication.update -= updateInEditor;
+                EditorApplication.update += updateInEditor;
+            }
+        }
+#endif
+    }
+}
+