FSM_Over

Assets/03.FiniteStateMachine/RunTime/FSMInitialize.cs

@@ -0,0 +1,46 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public static class FSMInitialize
+{
+    /// <summary>
+    /// 状态机初始化
+    /// </summary>
+    /// <param name="targetScene">指定场景</param>
+    /// <returns></returns>
+    public static FSMManager Init(Scene targetScene)
+    {
+        GameObject targetObject = targetScene.GetRootGameObjects().FirstOrDefault(go => go.name == "FSMManger");
+        FSMManager fSMManager;
+
+        if (targetObject == null)
+        {
+            targetObject = new GameObject("FSMManger");
+            SceneManager.MoveGameObjectToScene(targetObject, targetScene);
+
+            fSMManager = new FSMManager();
+            fSMManager.FSMMangerObject = targetObject;
+
+            void OnSceneUnloaded(Scene scene)
+            {
+                // 当场景卸载时释放缓存
+                if (scene.name == targetScene.name)
+                {
+                    GameObject.Destroy(targetObject);
+                    fSMManager = null;
+                }
+            }
+            SceneManager.sceneUnloaded += OnSceneUnloaded;
+
+            return fSMManager;
+        }
+        else
+        {
+            Debug.LogError("场景: "+targetScene.name + "已经初始化过FSM状态机！！！");
+            return null;
+        }
+    }
+}