풀링 매니저 생성 및 풀링 기능 구현

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-  m_SourcePrefab: {fileID: 100100000, guid: e90488251cab05045aa6e1baa6774cc1, type: 3}
 --- !u!1001 &6313602676529983552
 PrefabInstance:
   m_ObjectHideFlags: 0
@@ -733,12 +571,12 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 7913673174402568066, guid: c205e6192e40d184d9575898286a4164, type: 3}
       propertyPath: m_Enabled
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 8492949395926690621, guid: c205e6192e40d184d9575898286a4164, type: 3}
       propertyPath: _player
       value: 
-      objectReference: {fileID: 682105181}
+      objectReference: {fileID: 6479433677447438685, guid: e90488251cab05045aa6e1baa6774cc1, type: 3}
     m_RemovedComponents: []
     m_RemovedGameObjects: []
     m_AddedGameObjects: []
@@ -750,7 +588,6 @@ SceneRoots:
   m_Roots:
   - {fileID: 410087041}
   - {fileID: 6313602676529983552}
-  - {fileID: 1814897681}
   - {fileID: 1359563803}
   - {fileID: 1226977311}
   - {fileID: 471687216}

Assets/Scripts/Managers/Managers.cs

@@ -6,12 +6,14 @@ public class Managers : MonoBehaviour
     static Managers Instance { get { Init(); return s_instance; } }  // 유일한 매니저를 가져온다.
     
     InputManager _input = new InputManager();
+    PoolManager _pool = new PoolManager();
     ResourceManager _resource = new ResourceManager();
     SceneManagerEx _scene =  new SceneManagerEx();
     SoundManager _sound = new SoundManager();
     UIManager _ui = new UIManager();
     
     public static InputManager Input { get { return Instance._input; } }
+    public static PoolManager Pool { get { return Instance._pool; } }
     public static ResourceManager Resource { get { return Instance._resource; } }
     public static SceneManagerEx Scene { get { return Instance._scene; } }
     public static SoundManager Sound { get { return Instance._sound; } }
@@ -44,6 +46,7 @@ public class Managers : MonoBehaviour
             DontDestroyOnLoad(go);
             s_instance = go.GetComponent<Managers>();
             
+            s_instance._pool.Init();
             s_instance._sound.Init();
         }
     }
@@ -54,5 +57,7 @@ public class Managers : MonoBehaviour
         Input.Clear();
         Scene.Clear();
         UI.Clear();
+        
+        Pool.Clear();
     }
 }

Assets/Scripts/Managers/PoolManager.cs

@@ -0,0 +1,140 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+public class PoolManager
+{
+    #region Pool
+    class Pool
+    {
+        public GameObject Original { get; private set; }
+        public Transform Root { get; set; }
+        
+        Stack<Poolable> _poolStack = new Stack<Poolable>();
+
+        public void Init(GameObject original, int count = 5)
+        {
+            Original = original;
+            Root = new GameObject().transform;
+            Root.name = $"{original.name}_Root";
+
+            for (int i = 0; i < count; i++)
+            {
+                Push(Create());
+            }
+        }
+
+        Poolable Create()
+        {
+            GameObject go = Object.Instantiate<GameObject>(Original);
+            go.name = Original.name;
+            return go.GetOrAddComponent<Poolable>();
+            
+        }
+
+        public void Push(Poolable poolable)
+        {
+            if (poolable == null)
+            {
+                return;
+            }
+            
+            poolable.transform.parent = Root;
+            poolable.gameObject.SetActive(false);
+            poolable.IsUsing = false;
+            
+            _poolStack.Push(poolable);
+        }
+
+        public Poolable Pop(Transform parent)
+        {
+            Poolable poolable ;
+
+            if (_poolStack.Count > 0)
+            {
+                poolable = _poolStack.Pop();
+            }
+            else
+            {
+                poolable = Create();
+            }
+            
+            poolable.gameObject.SetActive(true);
+
+            // DontDestroyOnLoad 해제 용도
+            if (parent == null)
+            {
+                poolable.transform.parent = Managers.Scene.CurrentScene.transform;
+            }
+            
+            poolable.transform.parent = parent;
+            poolable.IsUsing = true;
+            
+            return poolable;
+        }
+    }
+    #endregion
+    
+    Dictionary<string, Pool> _pool = new Dictionary<string, Pool>();
+    
+    Transform _root;
+    
+    public void Init()
+    {
+        if (_root == null)
+        {
+            _root = new GameObject { name = "@Pool_Root" }.transform;
+            Object.DontDestroyOnLoad(_root);
+        }
+    }
+
+    public void CreatePool(GameObject original, int count = 5)
+    {
+        Pool pool = new Pool();
+        pool.Init(original, count);
+        pool.Root.parent = _root;
+        
+        _pool.Add(original.name, pool);
+    }
+    
+    public void Push(Poolable poolable)
+    {
+        string name = poolable.gameObject.name;
+        if (_pool.ContainsKey(name) == false)
+        {
+            GameObject.Destroy(poolable.gameObject);
+            return;
+        }
+        
+        _pool[name].Push(poolable);
+    }
+
+    public Poolable Pop(GameObject original, Transform parent = null)
+    {
+        if (_pool.ContainsKey(original.name) == false)
+        {
+            CreatePool(original);
+        }
+        
+        return _pool[original.name].Pop(parent);
+    }
+
+    public GameObject GetOriginal(string name)
+    {
+        if (_pool.ContainsKey(name) == false)
+        {
+            return null;
+        }
+        
+        return _pool[name].Original;
+    }
+
+    public void Clear()
+    {
+        foreach (Transform child in _root)
+        {
+            GameObject.Destroy(child.gameObject);
+        }
+        
+        _pool.Clear();
+    }
+}

Assets/Scripts/Managers/PoolManager.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: b0bd1424e21567b40910e9ff8c3122f6

Assets/Scripts/Managers/Poolable.cs

@@ -0,0 +1,6 @@
+using UnityEngine;
+
+public class Poolable : MonoBehaviour
+{
+    public bool IsUsing;
+}

Assets/Scripts/Managers/Poolable.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 215467617c5fd064188f16c055e8d51a

Assets/Scripts/Managers/ResourceManager.cs

@@ -4,27 +4,43 @@ public class ResourceManager
 {
     public T Load<T>(string path) where T : Object
     {
+        if(typeof(T) == typeof(GameObject))
+        {
+            string name = path;
+            int index = name.LastIndexOf('/');
+
+            if (index >= 0)
+            {
+                name = name.Substring(index + 1);
+            }
+            
+            GameObject go = Managers.Pool.GetOriginal(name);
+
+            if (go != null)
+            {
+                return go as T;
+            }
+        }
+        
         return Resources.Load<T>(path);
     }
 
     public GameObject Instantiate(string path, Transform parent = null)
     {
-        GameObject prefab = Load<GameObject>($"Prefabs/{path}");
+        GameObject original = Load<GameObject>($"Prefabs/{path}");
-        if (prefab == null)
+        if (original == null)
         {
             Debug.Log($"Failed to load prefab : {path}");
             return null;
         }
 
-        GameObject go = Object.Instantiate(prefab, parent);
+        if (original.GetComponent<Poolable>() != null)
-        int index = go.name.IndexOf("(Clone)");
-
-        if (index >= 0)
         {
-            // go.name = go.name.Substring(0, index);
+            return Managers.Pool.Pop(original, parent).gameObject;
-            go.name = go.name.Remove(index);
         }
         
+        GameObject go = Object.Instantiate(original, parent);
+        go.name = original.name;
         return go;
     }
 
@@ -34,6 +50,14 @@ public class ResourceManager
         {
             return;
         }
+        
+        Poolable poolable = go.GetComponent<Poolable>();
+        if (poolable != null)
+        {
+            Managers.Pool.Push(poolable);
+            return;
+        }
+
         Object.Destroy(go);
     }
 }

Assets/Scripts/Scenes/GameScene.cs

@@ -9,6 +9,11 @@ public class GameScene : BaseScene
         SceneType = Define.Scene.Game;
         
         Managers.UI.ShowSceneUI<UI_Inven>();
+        
+        for(int i = 0; i < 5; i++)
+        {
+            Managers.Resource.Instantiate("UnityChan");
+        }
     }
 
     public override void Clear()

Assets/Scripts/Scenes/LoginScene.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.SceneManagement;
 
@@ -7,7 +8,18 @@ public class LoginScene : BaseScene
     {
         base.Init();
 
-        SceneType = Define.Scene.Lobby;
+        SceneType = Define.Scene.Login;
+        
+        List<GameObject> list = new List<GameObject>();
+        for(int i = 0; i < 5; i++)
+        {
+            list.Add(Managers.Resource.Instantiate("UnityChan"));
+        }
+
+        foreach (GameObject obj in list)
+        {
+            Managers.Resource.Destroy(obj);
+        }
     }
 
     private void Update()