2026-03-22 스왑버튼 그룹구현

Assets/02_Scripts/UI/Menu/Buttons.meta

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Assets/02_Scripts/UI/Menu/SwapButton.cs

@@ -1,53 +0,0 @@
-using UnityEngine;
-using UnityEngine.Events;
-using UnityEngine.EventSystems;
-using UnityEngine.UI;
-
-[RequireComponent(typeof(Image))]
-public class SwapButton : MonoBehaviour, IPointerClickHandler
-{
-    public Image TargetImage;
-
-    public Sprite ASprite;
-    public UnityEvent ClickEventA = new UnityEvent();
-
-    public Sprite BSprite;
-    public UnityEvent ClickEventB = new UnityEvent();
-
-    [SerializeField] private bool _trueA_FalseB = true;
-
-    public bool TrueA_FalseB
-    {
-        get => _trueA_FalseB;
-        set
-        {
-            _trueA_FalseB = value;
-            UpdateVisual(); // 값이 바뀔 때마다 자동으로 실행!
-        }
-    }
-
-    private void Awake()
-    {
-        TargetImage = GetComponent<Image>();
-    }
-
-    public void OnPointerClick(PointerEventData eventData)
-    {
-        TrueA_FalseB = !TrueA_FalseB;
-
-        if (TrueA_FalseB)
-            ClickEventA?.Invoke();
-        else
-            ClickEventB?.Invoke();
-    }
-
-    private void OnValidate()
-    {
-        UpdateVisual();
-    }
-    public void UpdateVisual()
-    {
-        if (TargetImage == null) return;
-        TargetImage.sprite = _trueA_FalseB ? ASprite : BSprite;
-    }
-}

Assets/02_Scripts/UI/_Shared.meta

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Assets/02_Scripts/UI/_Shared/Buttons.meta

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Assets/02_Scripts/UI/_Shared/Buttons/SwapButton.cs

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+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+[ExecuteAlways]
+[RequireComponent(typeof(Image))]
+public class SwapButton : MonoBehaviour, IPointerClickHandler
+{
+    [SerializeField] private SwapButtonGroup _group;
+    public SwapButtonGroup Group
+    {
+        get => _group;
+        set
+        {
+            if (_group != null) _group.UnregisterButton(this);
+            _group = value;
+            if (_group != null) _group.RegisterButton(this);
+        }
+    }
+
+    [Space(10)]
+
+    public Image TargetImage;
+
+    [Space(10)]
+
+    public Sprite TrueSprite;
+    public UnityEvent TrueEvent = new UnityEvent();
+
+    public Sprite FalseSprite;
+    public UnityEvent FalseEvent = new UnityEvent();
+
+    [SerializeField] private bool _trueA_FalseB = true;
+
+    public bool TrueA_FalseB
+    {
+        get => _trueA_FalseB;
+        set
+        {
+            if (_trueA_FalseB == value) return;
+
+            _trueA_FalseB = value;
+            UpdateVisual(); // 값이 바뀔 때마다 자동으로 실행!
+
+            if (_trueA_FalseB && _group != null)
+            {
+                _group.OnButtonSelected(this);
+            }
+        }
+    }
+
+    private void Awake()
+    {
+        TargetImage = GetComponent<Image>();
+
+        // 시작할 때 그룹이 설정되어 있다면 등록
+        if (_group != null) _group.RegisterButton(this);
+
+    }
+    private void Start()
+    {
+        UpdateVisual();
+    }
+
+    public void OnPointerClick(PointerEventData eventData)
+    {
+        if (_group != null)
+        {
+            // 라디오 버튼 모드: 이미 선택된 건 다시 눌러도 무반응
+            if (_trueA_FalseB) return;
+
+            TrueA_FalseB = true;  // 나를 True 상태로
+            TrueEvent?.Invoke();
+        }
+        else
+        {
+            // 그룹이 없으면 기존처럼 토글
+            TrueA_FalseB = !TrueA_FalseB;
+
+            if (TrueA_FalseB)
+                TrueEvent?.Invoke();
+            else
+                FalseEvent?.Invoke();
+        }
+    }
+
+    private void OnValidate()
+    {
+        UpdateVisual();
+
+        if (_trueA_FalseB && _group != null)
+        {
+            _group.OnButtonSelected(this);
+        }
+    }
+    public void UpdateVisual()
+    {
+        if (TargetImage == null) return;
+        TargetImage.sprite = _trueA_FalseB ? TrueSprite : FalseSprite;
+    }
+
+    private void OnDestroy()
+    {
+        // 오브젝트 삭제 시 그룹에서 해제
+        if (_group != null) _group.UnregisterButton(this);
+    }
+}

Assets/02_Scripts/UI/_Shared/Buttons/SwapButtonGroup.cs

@@ -0,0 +1,48 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+[ExecuteAlways]
+public class SwapButtonGroup : MonoBehaviour
+{
+    // 현재 이 그룹에 등록된 모든 버튼들
+    private List<SwapButton> _registeredButtons = new List<SwapButton>();
+
+    // 버튼이 활성화되거나 그룹이 할당될 때 호출됨
+    public void RegisterButton(SwapButton button)
+    {
+        if (!_registeredButtons.Contains(button))
+        {
+            _registeredButtons.Add(button);
+
+            if (button.TrueA_FalseB == true)
+            {
+                foreach (SwapButton sb in _registeredButtons)
+                {
+                    if (sb == button) continue;
+
+                    sb.TrueA_FalseB = false;
+                }
+            }
+        }
+    }
+
+    // 버튼이 파괴되거나 그룹에서 빠질 때 호출됨
+    public void UnregisterButton(SwapButton button)
+    {
+        if (_registeredButtons.Contains(button))
+        {
+            _registeredButtons.Remove(button);
+        }
+    }
+
+    // 특정 버튼이 선택되었을 때 나머지 버튼들을 모두 B(False)상태로 만듦
+    public void OnButtonSelected(SwapButton selectedButton)
+    {
+        foreach (SwapButton button in _registeredButtons)
+        {
+            if (button == selectedButton) continue;
+
+            button.TrueA_FalseB = false;
+        }
+    }
+}

Assets/02_Scripts/UI/_Shared/Buttons/SwapButtonGroup.cs.meta

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