상호작용이 불가능한 상태에서도 모달 UI가 나타나도록 변경

Assets/Scripts/InteractableModal.cs

@@ -9,6 +9,8 @@ namespace Northbound
         [SerializeField] private GameObject modalPanel;
         [SerializeField] private TextMeshProUGUI keyText;
         [SerializeField] private TextMeshProUGUI interactText;
+        [SerializeField] private GameObject unavailablePanel;
+        [SerializeField] private TextMeshProUGUI unavailableText;
 
         [Header("Settings")]
         [SerializeField] private string defaultKey = "E";
@@ -27,6 +29,11 @@ namespace Northbound
             {
                 modalPanel.SetActive(false);
             }
+
+            if (unavailablePanel != null)
+            {
+                unavailablePanel.SetActive(false);
+            }
         }
 
         public void ShowModal(IInteractable interactable)
@@ -54,6 +61,11 @@ namespace Northbound
             {
                 modalPanel.SetActive(false);
             }
+
+            if (unavailablePanel != null)
+            {
+                unavailablePanel.SetActive(false);
+            }
         }
 
         public void UpdateModalContent()
@@ -86,5 +98,48 @@ namespace Northbound
 
             return prompt;
         }
+
+        /// <summary>
+        /// 상호작용 불가능 메시지를 표시합니다.
+        /// </summary>
+        /// <param name="interactable">상호작용 불가능한 대상</param>
+        public void ShowUnavailableMessage(IInteractable interactable)
+        {
+            if (interactable == null)
+            {
+                HideModal();
+                return;
+            }
+
+            if (unavailablePanel != null)
+            {
+                // unavailablePanel이 할당된 경우 전용 패널 사용
+                if (modalPanel != null)
+                {
+                    modalPanel.SetActive(false);
+                }
+
+                unavailablePanel.SetActive(true);
+
+                if (unavailableText != null)
+                {
+                    string prompt = interactable.GetInteractionPrompt();
+                    unavailableText.text = ExtractInteractText(prompt);
+                }
+            }
+            else if (modalPanel != null && interactText != null)
+            {
+                // unavailablePanel이 없는 경우 modalPanel을 사용하여 불가능 메시지 표시
+                modalPanel.SetActive(true);
+
+                if (keyText != null)
+                {
+                    keyText.text = "";
+                }
+
+                string prompt = interactable.GetInteractionPrompt();
+                interactText.text = ExtractInteractText(prompt);
+            }
+        }
     }
 }