大修

Assets/Scripts/SLSUtilities/General/Singleton.cs

@@ -0,0 +1,36 @@
+using Sirenix.OdinInspector;
+using UnityEngine;
+
+namespace SLSUtilities.General
+{
+    public class Singleton<T> : SerializedMonoBehaviour where T : MonoBehaviour
+    {
+        protected static T instance;
+        public static T Instance => instance == null ? FindFirstObjectByType<T>() : instance;
+
+        protected virtual void Awake()
+        {
+            Initialize(false);
+        }
+
+        protected virtual void Initialize(bool dontDestroy)
+        {
+            if (dontDestroy)
+            {
+                if (instance == null)
+                {
+                    instance = this as T;
+                    DontDestroyOnLoad(gameObject);
+                }
+                else
+                {
+                    Destroy(gameObject);
+                }
+            }
+            else
+            {
+                instance = this as T;
+            }
+        }
+    }
+}