UI 이벤트 추가

Assets/Scripts/UI/UI_Base.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using TMPro;
 using UnityEngine;
+using UnityEngine.EventSystems;
 using UnityEngine.UI;
 
 public class UI_Base : MonoBehaviour
@@ -59,4 +60,21 @@ public class UI_Base : MonoBehaviour
     {
         return Get<Image>(idx);
     }
+
+    public static void AddUIEvent(GameObject go, Action<PointerEventData> action, Define.UIEvent type = Define.UIEvent.Click)
+    {
+        UI_EventHandler evt = Util.GetOrAddComponent<UI_EventHandler>(go);
+
+        switch (type)
+        {
+            case Define.UIEvent.Click:
+                evt.OnClickHandler -= action;
+                evt.OnClickHandler += action;
+                break;
+            case Define.UIEvent.Drag:
+                evt.OnDragHandler -= action;
+                evt.OnDragHandler += action;
+                break;
+        }
+    }
 }

Assets/Scripts/UI/UI_Button.cs

@@ -39,19 +39,21 @@ public class UI_Button : UI_Base
         
         // Get 호출 시에도 타입을 맞춰줍니다.
         // Get<TextMeshProUGUI>((int)Texts.ScoreText).text = "Bind Test";
-        GetText((int)Texts.ScoreText).text = "Bind Test";
+        
+        GetButton((int)Buttons.PointButton).gameObject.AddUIEvent(OnButtonClicked);
         
         GameObject go = GetImage((int)Images.ItemIcon).gameObject;
-        UI_EventHandler evt = go.GetComponent<UI_EventHandler>();
+        AddUIEvent(go, (PointerEventData data) => { go.transform.position = data.position; }, Define.UIEvent.Drag);
-        evt.OnDragHandler += ((PointerEventData data) => { evt.gameObject.transform.position = data.position; });
     }
     
     private int _score = 0;
     
-    public void OnButtonClicked()
+    public void OnButtonClicked(PointerEventData data)
     {
         // GetComponentInChildren<TextMeshProUGUI>().text = "텍스트 변경 완료!";
         
         _score += 1; 
+        
+        GetText((int)Texts.ScoreText).text = $"점수 : {_score}점";
     }
 }

Assets/Scripts/UI/UI_EventHandler.cs

@@ -3,16 +3,16 @@ using UnityEngine;
 using UnityEngine.EventSystems;
 
 
-public class UI_EventHandler : MonoBehaviour, IBeginDragHandler, IDragHandler
+public class UI_EventHandler : MonoBehaviour, IPointerClickHandler, IDragHandler
 {
-    public Action<PointerEventData> OnBeginDragHandler = null;
+    public Action<PointerEventData> OnClickHandler = null;
     public Action<PointerEventData> OnDragHandler = null;
     
-    public void OnBeginDrag(PointerEventData eventData)
+    public void OnPointerClick(PointerEventData eventData)
     {
-        if (OnBeginDragHandler != null)
+        if (OnClickHandler != null)
         {
-            OnBeginDragHandler.Invoke(eventData);
+            OnClickHandler.Invoke(eventData);
         }
     }
 

Assets/Scripts/Utils/Define.cs

@@ -2,6 +2,11 @@ using UnityEngine;
 
 public class Define
 {
+    public enum UIEvent
+    {
+        Click,
+        Drag,
+    }
     public enum MouseEvent
     {
         Press,

Assets/Scripts/Utils/Extension.cs

@@ -0,0 +1,12 @@
+using System;
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+public static class Extension
+{
+    public static void AddUIEvent(this GameObject go, Action<PointerEventData> action,
+        Define.UIEvent type = Define.UIEvent.Click)
+    {
+        UI_Base.AddUIEvent(go, action, type);
+    }
+}

Assets/Scripts/Utils/Extension.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 442b91d9fdae87b43b7b0c1c47026c65

Assets/Scripts/Utils/Util.cs

@@ -2,6 +2,17 @@ using UnityEngine;
 
 public class Util
 {
+    public static T GetOrAddComponent<T>(GameObject go) where T : UnityEngine.Component
+    {
+        T component = go.GetComponent<T>();
+
+        if (component == null)
+        {
+            component = go.AddComponent<T>();
+        }
+        return component;
+    }
+    
     public static GameObject FindChild(GameObject go, string name = null, bool recursive = false)
     {
         Transform transform = FindChild<Transform>(go, name, recursive);