건축 및 고용에 비용 소모 기능 추가

Assets/Scripts/Worker.cs

@@ -20,6 +20,7 @@ namespace Northbound
         public float followDistance = 3f;
         public float movementSpeed = 3.5f;
         public int resourcesPerMining = 5;
+        public int recruitmentCost = 10;
 
         [Header("Interaction")]
         public string interactionAnimationTrigger = "Recruit";
@@ -320,7 +321,17 @@ namespace Northbound
 
         public bool CanInteract(ulong playerId)
         {
-            return _ownerPlayerId.Value == ulong.MaxValue || _ownerPlayerId.Value == playerId;
+            if (_ownerPlayerId.Value != ulong.MaxValue && _ownerPlayerId.Value != playerId)
+                return false;
+
+            if (_ownerPlayerId.Value == ulong.MaxValue)
+            {
+                var coreResourceManager = CoreResourceManager.Instance;
+                if (coreResourceManager != null && !coreResourceManager.CanAfford(recruitmentCost))
+                    return false;
+            }
+
+            return true;
         }
 
         public void Interact(ulong playerId)
@@ -348,6 +359,20 @@ namespace Northbound
         [Rpc(SendTo.Server, InvokePermission = RpcInvokePermission.Everyone)]
         private void RecruitWorkerServerRpc(ulong playerId, ulong workerNetObjectId)
         {
+            var coreResourceManager = CoreResourceManager.Instance;
+            if (coreResourceManager == null)
+            {
+                Debug.LogWarning("[Worker] CoreResourceManager 인스턴스를 찾을 수 없습니다.");
+                return;
+            }
+
+            if (!coreResourceManager.CanAfford(recruitmentCost))
+            {
+                Debug.LogWarning($"[Worker] 코어 자원이 부족합니다. 필요: {recruitmentCost}");
+                return;
+            }
+
+            coreResourceManager.SpendResources(recruitmentCost);
             _ownerPlayerId.Value = playerId;
             SetState(WorkerState.Following);
             UpdatePlayerTransform();
@@ -389,7 +414,11 @@ namespace Northbound
         {
             if (_ownerPlayerId.Value == ulong.MaxValue)
             {
-                return "[E] 워커 채용";
+                var coreResourceManager = CoreResourceManager.Instance;
+                if (coreResourceManager != null && !coreResourceManager.CanAfford(recruitmentCost))
+                    return $"자원 부족 (필요: {recruitmentCost})";
+
+                return $"[E] 워커 채용 - 비용: {recruitmentCost}";
             }
             else if (NetworkManager.Singleton != null && _ownerPlayerId.Value == NetworkManager.Singleton.LocalClientId)
             {