[+] SingletonSystem

[+] SingletonSystem

Assets/GameScripts/HotFix/GameBase/Singleton/UnitySingleton.cs

@@ -0,0 +1,111 @@
+using TEngine;
+using UnityEngine;
+
+namespace GameBase
+{
+    /// <summary>
+    /// 具备Unity完整生命周期的单例。
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    public abstract class UnitySingleton<T> : MonoBehaviour where T : MonoBehaviour
+    {
+        private static T _instance;
+
+        public static T Instance
+        {
+            get
+            {
+                if (_instance == null)
+                {
+                    var ins = UnityEngine.Object.FindObjectOfType<T>();
+                    if (ins != null)
+                    {
+                        var obj = ins.gameObject;
+                        obj.name = typeof(T).Name;
+                        _instance = ins;
+                        SingletonMgr.Retain(obj);
+                        return Instance;
+                    }
+
+                    System.Type thisType = typeof(T);
+                    string instName = thisType.Name;
+                    GameObject go = SingletonMgr.GetGameObject(instName);
+                    if (go == null)
+                    {
+                        go = GameObject.Find($"{instName}");
+                        if (go == null)
+                        {
+                            go = new GameObject(instName);
+                            go.transform.position = Vector3.zero;
+                        }
+                    }
+
+                    _instance = go.GetComponent<T>();
+                    if (_instance == null)
+                    {
+                        _instance = go.AddComponent<T>();
+                    }
+
+                    if (_instance == null)
+                    {
+                        Log.Error($"Can't create UnitySingleton<{typeof(T)}>");
+                    }
+                }
+
+                return _instance;
+            }
+        }
+
+        public static T Active()
+        {
+            return Instance;
+        }
+
+        public static bool IsValid => _instance != null;
+
+        private bool CheckInstance()
+        {
+            if (this == Instance)
+            {
+                return true;
+            }
+
+            GameObject.Destroy(gameObject);
+            return false;
+        }
+
+        protected virtual void OnLoad()
+        {
+        }
+
+        public virtual void Awake()
+        {
+            if (CheckInstance())
+            {
+                OnLoad();
+            }
+#if UNITY_EDITOR
+            Log.Debug($"UnitySingleton Instance:{typeof(T).Name}");
+#endif
+            GameObject tEngine = SingletonMgr.Root;
+            if (tEngine != null)
+            {
+                this.gameObject.transform.SetParent(tEngine.transform);
+            }
+        }
+
+        protected virtual void OnDestroy()
+        {
+            Release();
+        }
+
+        public static void Release()
+        {
+            if (_instance != null)
+            {
+                SingletonMgr.Release(_instance.gameObject);
+                _instance = null;
+            }
+        }
+    }
+}