캐릭터 carrier 컴포넌트 추가

Assets/_DDD/_Scripts/Restaurant/Character/Core/CharacterCarrier.cs

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+using UnityEngine;
+
+namespace DDD
+{
+    public enum CarriableType
+    {
+        None = 0,
+        GameObjectItem, // 실제 GameObject
+        VirtualItem // ID만 존재하는 가상 아이템
+    }
+    
+    public interface ICarrier
+    {
+        GameObject GetCarrierGameObject();
+        string GetCarrierId();
+        ICarriable GetCurrentCarriable();
+        bool CanCarryTo(ICarriable carriable);
+        void Carry(ICarriable carriable);
+        void Use(ICarriable carriable);
+    }
+
+    public interface ICarriable
+    {
+        string GetCarrierId();
+        CarriableType GetCarriableType();
+        void OnCarried(ICarrier carrier);
+        bool CanCarry();
+    
+        // 실제 오브젝트인 경우에만 유효
+        GameObject GetGameObject();
+    }
+    
+    public class CharacterCarrier : MonoBehaviour, ICarrier
+    {
+        private ICarriable _currentCarriable;
+        private ISpeechBubble _speechBubble;
+        
+        public GameObject GetCarrierGameObject()
+        {
+            return gameObject;
+        }
+
+        public string GetCarrierId()
+        {
+            return _currentCarriable.GetCarrierId();
+        }
+
+        public ICarriable GetCurrentCarriable()
+        {
+            return _currentCarriable;
+        }
+
+        public bool CanCarryTo(ICarriable carriable)
+        {
+            if (_currentCarriable != null) return false;
+            if (carriable == null) return false;
+            if (carriable.CanCarry() == false) return false;
+
+            return true;
+        }
+
+        public void Carry(ICarriable carriable)
+        {
+            _currentCarriable = carriable;
+            _currentCarriable.OnCarried(this);
+            
+            _speechBubble ??= GetComponentInChildren<ISpeechBubble>();
+            _speechBubble?.Show(_currentCarriable.GetCarrierId());
+        }
+
+        public void Use(ICarriable carriable)
+        {
+            _currentCarriable = null;
+            
+            _speechBubble.Hide();
+        }
+    }
+}

Assets/_DDD/_Scripts/Restaurant/Character/Core/CharacterCarrier.cs.meta

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+fileFormatVersion: 2
+guid: f92b168407b75f14aa1941f878c9a4d5