UIManager 생성 및 PopupUI 기능 구현

Assets/Scripts/Managers/UIManager.cs

@@ -0,0 +1,62 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+public class UIManager
+{
+    int _order = 0;
+        
+    Stack<UI_Popup> _popupStack = new Stack<UI_Popup>();
+
+    public T ShowPopupUI<T>(string name = null) where T : UI_Popup
+    {
+        if (string.IsNullOrEmpty(name))
+        {
+            name = typeof(T).Name;
+        }
+        
+        GameObject go = Managers.Resource.Instantiate($"UI/Popup/{name}");
+        T popup = Util.GetOrAddComponent<T>(go);
+        _popupStack.Push(popup);
+        
+        return popup;
+    }
+
+    public void ClosePopupUI(UI_Popup popup)
+    {
+        if (_popupStack.Count == 0)
+        {
+            return;
+        }
+
+        if (_popupStack.Peek() != popup)
+        {
+            Debug.Log("Close Popup Failed!");
+            return;
+        }
+
+        ClosePopupUI();
+    }
+
+    public void ClosePopupUI()
+    {
+        if (_popupStack.Count == 0)
+        {
+            return;
+        }
+        
+        UI_Popup popup = _popupStack.Pop();
+        Managers.Resource.Destroy(popup.gameObject);
+        popup = null;
+        
+        _order--;
+    }
+
+    public void CloseAllPopupUI()
+    {
+        while (_popupStack.Count > 0)
+        {
+            ClosePopupUI();
+        }
+    }
+    
+}