아이템 드랍 및 인벤토리 기능 구현

Assets/DefaultNetworkPrefabs.asset

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Assets/Scenes/DefenceScene.unity

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Assets/Scripts/GameBase/DroppedItem.cs

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+using Unity.Netcode;
+using UnityEngine;
+
+public class DroppedItem : NetworkBehaviour, IInteractable
+{
+    [SerializeField] private MeshFilter myFilter;   // 자식의 MeshFilter 연결
+    [SerializeField] private MeshRenderer myRenderer; // 자식의 MeshRenderer 연결
+    [SerializeField] private float dropScale = 0.3f;
+
+    private Rigidbody _rb;
+    [SerializeField] private float jumpForce = 5f;   // 위로 솟구치는 힘
+    [SerializeField] private float spreadForce = 2f; // 옆으로 퍼지는 힘
+    [SerializeField] private float rotationSpeed = 100f; // 빙글빙글 도는 속도
+
+    private NetworkVariable<int> _itemDataID = new NetworkVariable<int>();
+    private bool _isProcessed = false; // 중복 획득 방지 (서버용)
+
+    private void Awake()
+    {
+        _rb = GetComponent<Rigidbody>();
+    }
+
+    public override void OnNetworkSpawn()
+    {
+        UpdateVisuals();
+        _itemDataID.OnValueChanged += (oldVal, newVal) => UpdateVisuals();
+
+        if (IsServer)
+        {
+            ApplyInitialPop();
+        }
+    }
+
+    private void ApplyInitialPop()
+    {
+        // 위쪽 방향 + 무작위 주변 방향으로 힘을 줍니다.
+        Vector3 force = Vector3.up * jumpForce + Random.insideUnitSphere * spreadForce;
+        _rb.AddForce(force, ForceMode.Impulse);
+
+        // 무작위 회전력(Torque)을 주어 던져지는 느낌을 냅니다.
+        _rb.AddTorque(Random.insideUnitSphere * spreadForce, ForceMode.Impulse);
+    }
+
+    public void Initialize(int id)
+    {
+        if (IsServer) _itemDataID.Value = id;
+    }
+
+    private void Update()
+    {
+        // 비주얼만 빙글빙글 돌게 하고 싶다면 (선택 사항)
+        transform.Rotate(Vector3.up * rotationSpeed * Time.deltaTime);
+    }
+
+    private void UpdateVisuals()
+    {
+        ItemData data = ItemDatabase.Instance.GetItemByID(_itemDataID.Value);
+
+        if (data != null && data.originalBlockPrefab != null)
+        {
+            // 원본 프리팹(큰 블록)에서 비주얼 컴포넌트를 찾습니다.
+            MeshFilter sourceFilter = data.originalBlockPrefab.GetComponentInChildren<MeshFilter>();
+            MeshRenderer sourceRenderer = data.originalBlockPrefab.GetComponentInChildren<MeshRenderer>();
+
+            if (sourceFilter != null && myFilter != null)
+                myFilter.sharedMesh = sourceFilter.sharedMesh;
+
+            if (sourceRenderer != null && myRenderer != null)
+                myRenderer.sharedMaterial = sourceRenderer.sharedMaterial;
+
+            // 크기를 작게 줄여서 아이템처럼 보이게 합니다.
+            transform.localScale = Vector3.one * dropScale;
+        }
+    }
+
+    // 플레이어의 OnInteractTap에서 호출될 함수입니다.
+    public void Interact(GameObject interactor)
+    {
+        Debug.Log("<color=yellow>[DroppedItem] 상호작용 시도됨</color>");
+        // 1. 상호작용한 플레이어가 본인(Owner)인지 확인합니다.
+        if (interactor.TryGetComponent<NetworkObject>(out var playerNetObj) && playerNetObj.IsOwner)
+        {
+            // 2. 서버에 이 아이템을 줍겠다고 요청합니다.
+            RequestPickupServerRpc(playerNetObj.NetworkObjectId);
+            Debug.Log("<color=yellow>[DroppedItem] 아이템 획득 요청 서버 RPC 호출됨</color>");
+        }
+    }
+
+    [Rpc(SendTo.Server, InvokePermission = RpcInvokePermission.Everyone)]
+    private void RequestPickupServerRpc(ulong playerNetId)
+    {
+        if (_isProcessed) return;
+
+        // 서버에서 아이템 데이터를 가져오고 플레이어 인벤토리에 추가합니다.
+        if (NetworkManager.Singleton.SpawnManager.SpawnedObjects.TryGetValue(playerNetId, out var playerObj))
+        {
+            if (playerObj.TryGetComponent<PlayerInventory>(out var inventory))
+            {
+                _isProcessed = true;
+                ItemData data = ItemDatabase.Instance.GetItemByID(_itemDataID.Value);
+
+                inventory.AddItem(data); // 인벤토리에 추가
+
+                // 3. 획득 성공 시 네트워크 상에서 제거합니다.
+                GetComponent<NetworkObject>().Despawn();
+            }
+        }
+    }
+}

Assets/Scripts/GameBase/DroppedItem.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 0f19261df3e7c984f89c3427aff0522a

Assets/Scripts/GameBase/ItemData.cs

@@ -0,0 +1,12 @@
+using UnityEngine;
+
+[CreateAssetMenu(fileName = "New Item", menuName = "Inventory/Item")]
+public class ItemData : ScriptableObject
+{
+    public int itemID;
+    public string itemName;
+    public Sprite icon;
+
+    [Header("Visual Source")]
+    public GameObject originalBlockPrefab; // 이제 이것만 있으면 됩니다!
+}

Assets/Scripts/GameBase/ItemData.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: a6974a6b8e6365d469ae0566ed23abf5

Assets/Scripts/GameBase/ItemDatabase.cs

@@ -0,0 +1,12 @@
+using UnityEngine;
+using System.Collections.Generic;
+
+public class ItemDatabase : MonoBehaviour
+{
+    public static ItemDatabase Instance;
+    public List<ItemData> allItems;
+
+    void Awake() => Instance = this;
+
+    public ItemData GetItemByID(int id) => allItems.Find(x => x.itemID == id);
+}

Assets/Scripts/GameBase/ItemDatabase.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: e1161d1386968b54483e219677fcc729

Assets/Scripts/MineableBlock.cs

@@ -1,6 +1,7 @@
+using NUnit.Framework.Interfaces;
+using System.Collections;
 using Unity.Netcode;
 using UnityEngine;
-using System.Collections;
 
 public class MineableBlock : NetworkBehaviour
 {
@@ -9,6 +10,8 @@ public class MineableBlock : NetworkBehaviour
     // [동기화] 모든 플레이어가 동일한 블록 체력을 보게 함
     private NetworkVariable<int> _currentHp = new NetworkVariable<int>();
 
+    [SerializeField] private ItemData dropItemData;
+    [SerializeField] private GameObject genericDropPrefab; // 여기에 위에서 만든 'GenericDroppedItem' 프리팹을 넣으세요.
 
     [Header("Visuals")]
     private Outline _outline;
@@ -60,6 +63,7 @@ public class MineableBlock : NetworkBehaviour
 
     private void DestroyBlock()
     {
+        DropItem();
         // 2. 서버에서 네트워크 오브젝트 제거 (모든 클라이언트에서 사라짐)
         GetComponent<NetworkObject>().Despawn();
     }
@@ -84,8 +88,6 @@ public class MineableBlock : NetworkBehaviour
     private IEnumerator ShakeRoutine()
     {
         float elapsed = 0.0f;
-        Debug.Log("흔들림 코루틴 시작"); // 시작 확인
-
         while (elapsed < shakeDuration)
         {
             Vector3 randomOffset = Random.insideUnitSphere * shakeMagnitude;
@@ -99,6 +101,22 @@ public class MineableBlock : NetworkBehaviour
         }
 
         transform.localPosition = _originalPos;
-        Debug.Log("흔들림 코루틴 종료 및 위치 복구");
+    }
+
+    private void DropItem()
+    {
+        if (!IsServer || dropItemData == null || genericDropPrefab == null) return;
+
+        // 원본 블록이 아니라 '범용 컨테이너'를 소환합니다.
+        GameObject dropObj = Instantiate(genericDropPrefab, transform.position + Vector3.up * 0.5f, Quaternion.identity);
+
+        NetworkObject netObj = dropObj.GetComponent<NetworkObject>();
+        netObj.Spawn();
+
+        // 소환된 컨테이너에 "너는 어떤 아이템의 모양을 따라해야 해"라고 알려줍니다.
+        if (dropObj.TryGetComponent<DroppedItem>(out var droppedItem))
+        {
+            droppedItem.Initialize(dropItemData.itemID);
+        }
     }
 }

Assets/Scripts/Player/ItemPickup.cs

@@ -0,0 +1,24 @@
+using Unity.Netcode;
+using UnityEngine;
+
+public class ItemPickup : NetworkBehaviour
+{
+    public ItemData itemData;
+
+    public void SetItem(ItemData data) => itemData = data;
+
+    private void OnTriggerEnter(Collider medical)
+    {
+        if (!IsServer) return;
+
+        // 플레이어인지 확인
+        if (medical.CompareTag("Player"))
+        {
+            if (medical.TryGetComponent<PlayerInventory>(out var inventory))
+            {
+                inventory.AddItem(itemData);
+                GetComponent<NetworkObject>().Despawn(); // 먹었으므로 제거
+            }
+        }
+    }
+}

Assets/Scripts/Player/ItemPickup.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 1e494b2626c9e354eba277618a850ee8

Assets/Scripts/Player/PlayerInventory.cs

@@ -0,0 +1,23 @@
+using Unity.Netcode;
+using UnityEngine;
+using System.Collections.Generic;
+
+public class PlayerInventory : NetworkBehaviour
+{
+    // 아이템 이름과 개수를 저장
+    private Dictionary<string, int> items = new Dictionary<string, int>();
+
+    public void AddItem(ItemData data)
+    {
+        if (!IsServer) return;
+
+        if (items.ContainsKey(data.itemName))
+            items[data.itemName]++;
+        else
+            items.Add(data.itemName, 1);
+
+        Debug.Log($"[Inventory] {data.itemName} 획득! (현재: {items[data.itemName]}개)");
+
+        // 여기서 클라이언트 UI를 갱신하는 ClientRpc를 호출할 수 있습니다.
+    }
+}

Assets/Scripts/Player/PlayerInventory.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: a1edd64a97d0b4f4aa71f0a23f32564f