건축 및 고용에 비용 소모 기능 추가

Assets/Scripts/BuildingManager.cs

@@ -193,6 +193,22 @@ namespace Northbound
                 return;
             }
 
+            // 자원 확인 및 소비
+            var coreResourceManager = CoreResourceManager.Instance;
+            if (coreResourceManager == null)
+            {
+                Debug.LogWarning("<color=red>[BuildingManager] CoreResourceManager 인스턴스를 찾을 수 없습니다.</color>");
+                return;
+            }
+
+            if (!coreResourceManager.CanAfford(data.mana))
+            {
+                Debug.LogWarning($"<color=yellow>[BuildingManager] 코어 자원이 부족합니다. 필요: {data.mana} (클라이언트: {requestingClientId})</color>");
+                return;
+            }
+
+            coreResourceManager.SpendResources(data.mana);
+
             // 배치 가능 여부 확인
             if (!IsValidPlacement(data, position, rotation, out Vector3 snappedPosition))
             {
@@ -345,6 +361,22 @@ namespace Northbound
                 return;
             }
 
+            // 자원 확인 및 소비
+            var coreResourceManager = CoreResourceManager.Instance;
+            if (coreResourceManager == null)
+            {
+                Debug.LogWarning("<color=red>[BuildingManager] CoreResourceManager 인스턴스를 찾을 수 없습니다.</color>");
+                return;
+            }
+
+            if (!coreResourceManager.CanAfford(data.mana))
+            {
+                Debug.LogWarning($"<color=yellow>[BuildingManager] 코어 자원이 부족합니다. 필요: {data.mana}</color>");
+                return;
+            }
+
+            coreResourceManager.SpendResources(data.mana);
+
             // 토대 프리팹 확인
             if (foundationPrefab == null)
             {

Assets/Scripts/BuildingPlacement.cs

@@ -332,12 +332,16 @@ namespace Northbound
                 // Check if placement is valid
                 bool isValid = BuildingManager.Instance.IsValidPlacement(data, hit.point, currentRotation, out Vector3 snappedPosition);
 
+                // Check affordability
+                var coreResourceManager = CoreResourceManager.Instance;
+                bool canAfford = coreResourceManager != null && coreResourceManager.CanAfford(data.mana);
+
                 // Update preview position (placementOffset 적용)
                 previewObject.transform.position = snappedPosition + data.placementOffset;
                 previewObject.transform.rotation = Quaternion.Euler(0, currentRotation * 90f, 0);
 
-                // Update material based on validity
+                // Update material based on validity and affordability
-                Material targetMat = isValid ? validMaterial : invalidMaterial;
+                Material targetMat = (isValid && canAfford) ? validMaterial : invalidMaterial;
                 foreach (var renderer in previewRenderers)
                 {
                     Material[] mats = new Material[renderer.materials.Length];
@@ -462,6 +466,10 @@ namespace Northbound
             Vector3 dragEndPosition = hit.point;
             List<Vector3> positions = CalculateDragBuildingPositions(dragStartPosition, dragEndPosition, data);
 
+            // Check affordability for all buildings
+            var coreResourceManager = CoreResourceManager.Instance;
+            bool canAffordAll = coreResourceManager != null && coreResourceManager.CanAfford(data.mana * positions.Count);
+
             // 기존 프리뷰 정리
             ClearDragPreviews();
 
@@ -490,7 +498,7 @@ namespace Northbound
                 preview.transform.rotation = Quaternion.Euler(0, currentRotation * 90f, 0);
 
                 // Apply materials
-                Material targetMat = isValid ? validMaterial : invalidMaterial;
+                Material targetMat = (isValid && canAffordAll) ? validMaterial : invalidMaterial;
                 Renderer[] renderers = preview.GetComponentsInChildren<Renderer>();
                 foreach (var renderer in renderers)
                 {
@@ -569,6 +577,14 @@ namespace Northbound
 
             TowerData selectedData = BuildingManager.Instance.availableBuildings[selectedBuildingIndex];
 
+            // Check affordability
+            var coreResourceManager = CoreResourceManager.Instance;
+            if (coreResourceManager == null || !coreResourceManager.CanAfford(selectedData.mana * dragBuildingPositions.Count))
+            {
+                Debug.Log("<color=yellow>[BuildingPlacement] 자원이 부족합니다.</color>");
+                return;
+            }
+
             int successCount = 0;
             foreach (var position in dragBuildingPositions)
             {
@@ -609,6 +625,14 @@ namespace Northbound
             {
             TowerData selectedData = BuildingManager.Instance.availableBuildings[selectedBuildingIndex];
 
+                // Check affordability
+                var coreResourceManager = CoreResourceManager.Instance;
+                if (coreResourceManager != null && !coreResourceManager.CanAfford(selectedData.mana))
+                {
+                    Debug.Log("<color=yellow>[BuildingPlacement] 자원이 부족합니다.</color>");
+                    return;
+                }
+
                 if (BuildingManager.Instance.IsValidPlacement(selectedData, hit.point, currentRotation, out Vector3 groundPosition))
                 {
                     // 토대 배치 요청

Assets/Scripts/BuildingQuickslotUI.cs

@@ -68,6 +68,28 @@ namespace Northbound
             InitializeSlots();
         }
 
+        private void Update()
+        {
+            if (quickslotPanel != null && quickslotPanel.activeSelf)
+            {
+                UpdateCostDisplays();
+            }
+        }
+
+        /// <summary>
+        /// 모든 슬롯의 비용 표시 업데이트
+        /// </summary>
+        public void UpdateCostDisplays()
+        {
+            foreach (var slot in slotButtons)
+            {
+                if (slot != null)
+                {
+                    slot.UpdateCostDisplay();
+                }
+            }
+        }
+
         /// <summary>
         /// 퀵슬롯 Input Actions 초기화 및 구독 (직접 참조)
         /// </summary>

Assets/Scripts/BuildingSlotButton.cs

@@ -52,6 +52,20 @@ namespace Northbound
             UpdateVisuals();
         }
 
+        /// <summary>
+        /// 비용 표시 업데이트 (자원 변화 시 호출)
+        /// </summary>
+        public void UpdateCostDisplay()
+        {
+            if (nameText != null && buildingData != null)
+            {
+                var coreResourceManager = CoreResourceManager.Instance;
+                bool canAfford = coreResourceManager != null && coreResourceManager.CanAfford(buildingData.mana);
+                string costText = canAfford ? $"{buildingData.mana}" : $"<color=red>{buildingData.mana}</color>";
+                nameText.text = $"{buildingData.buildingName}\n비용: {costText}";
+            }
+        }
+
         /// <summary>
         /// UI 업데이트
         /// </summary>
@@ -75,7 +89,10 @@ namespace Northbound
             // 이름 설정
             if (nameText != null)
             {
-                nameText.text = buildingData.buildingName;
+                var coreResourceManager = CoreResourceManager.Instance;
+                bool canAfford = coreResourceManager != null && coreResourceManager.CanAfford(buildingData.mana);
+                string costText = canAfford ? $"{buildingData.mana}" : $"<color=red>{buildingData.mana}</color>";
+                nameText.text = $"{buildingData.buildingName}\n비용: {costText}";
             }
 
             // 배경 색상

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)
             {

Assets/Scripts/WorkerSpawner.cs

@@ -11,6 +11,7 @@ namespace Northbound
         public float spawnRadius = 2f;
         public int maxWorkers = 5;
         public float spawnCooldown = 5f;
+        public int recruitmentCost = 20;
 
         [Header("Interaction")]
         public string interactionAnimationTrigger = "Build";
@@ -59,6 +60,10 @@ namespace Northbound
             if (workerPrefab == null)
                 return false;
 
+            var coreResourceManager = CoreResourceManager.Instance;
+            if (coreResourceManager != null && !coreResourceManager.CanAfford(recruitmentCost))
+                return false;
+
             return true;
         }
 
@@ -82,6 +87,21 @@ namespace Northbound
                 return;
             }
 
+            var coreResourceManager = CoreResourceManager.Instance;
+            if (coreResourceManager == null)
+            {
+                Debug.LogWarning("[WorkerSpawner] CoreResourceManager 인스턴스를 찾을 수 없습니다.");
+                return;
+            }
+
+            if (!coreResourceManager.CanAfford(recruitmentCost))
+            {
+                Debug.LogWarning($"[WorkerSpawner] 코어 자원이 부족합니다. 필요: {recruitmentCost}");
+                return;
+            }
+
+            coreResourceManager.SpendResources(recruitmentCost);
+
             Vector3 spawnPosition = spawnPoint != null ? spawnPoint.position : transform.position;
             
             float randomAngle = Random.Range(0f, 360f);
@@ -185,7 +205,11 @@ namespace Northbound
             if (cooldownRemaining > 0)
                 return $"워커 생성 대기 중 ({cooldownRemaining:F1}s)";
 
-            return $"{interactionPrompt} ({_workerCount.Value}/{maxWorkers})";
+            var coreResourceManager = CoreResourceManager.Instance;
+            if (coreResourceManager != null && !coreResourceManager.CanAfford(recruitmentCost))
+                return $"자원 부족 (필요: {recruitmentCost})";
+
+            return $"{interactionPrompt} ({_workerCount.Value}/{maxWorkers}) - 비용: {recruitmentCost}";
         }
 
         public string GetInteractionAnimation()