1 files changed, 54 insertions, 0 deletions
diff --git a/WorldlineKeepers/Assets/Scripts/Tools/ScopedEvent.cs b/WorldlineKeepers/Assets/Scripts/Tools/ScopedEvent.cs
new file mode 100644
index 0000000..23bfaa8
--- /dev/null
+++ b/WorldlineKeepers/Assets/Scripts/Tools/ScopedEvent.cs
@@ -0,0 +1,54 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.AI;
+
+namespace WK
+{
+
+    /// <summary>
+    /// 类似UnityEvent但是更轻量
+    /// </summary>
+    public class ScopedEvent
+    {
+        public delegate void EventHandler(params object[] args);
+
+        private List<EventHandler> m_Handlers = new List<EventHandler>();
+
+        public void AddListener(EventHandler handler)
+        {
+            if(handler == null)
+            {
+                return;
+            }
+            if (m_Handlers.Contains(handler))
+                return;
+            m_Handlers.Add(handler);
+        }
+
+        public void RemoveListener(EventHandler handler)
+        {
+
+            if (handler == null)
+            {
+                return;
+            }
+            m_Handlers.Remove(handler);
+        }
+
+        public bool HasHandler(EventHandler handler)
+        {
+            return m_Handlers.Contains(handler);
+        }
+
+        public void Invoke(params object[] args)
+        {
+            for(int i = 0; i < m_Handlers.Count; ++i)
+            {
+                m_Handlers[i](args);
+            }
+        }
+
+    }
+
+}