건설 토대 및 상호작용 시스템 추가

Assets/Scripts/BuildingPlacement.cs

@@ -153,6 +153,7 @@ namespace Northbound
                 return;
             }
 
+            // 완성 건물 프리팹으로 프리뷰 생성 (사용자가 완성 모습을 볼 수 있도록)
             previewObject = Instantiate(data.prefab);
             
             // Remove NetworkObject component from preview
@@ -162,6 +163,13 @@ namespace Northbound
                 Destroy(netObj);
             }
 
+            // Remove Building component from preview
+            Building building = previewObject.GetComponent<Building>();
+            if (building != null)
+            {
+                Destroy(building);
+            }
+
             // Apply ghost materials
             previewRenderers = previewObject.GetComponentsInChildren<Renderer>();
             foreach (var renderer in previewRenderers)
@@ -204,7 +212,7 @@ namespace Northbound
                 // Check if placement is valid
                 bool isValid = BuildingManager.Instance.IsValidPlacement(data, hit.point, currentRotation, out Vector3 snappedPosition);
 
-                // Update preview position
+                // Update preview position (placementOffset 적용)
                 previewObject.transform.position = snappedPosition + data.placementOffset;
                 previewObject.transform.rotation = Quaternion.Euler(0, currentRotation * 90f, 0);
 
@@ -231,23 +239,25 @@ namespace Northbound
 
         private void OnBuild(InputAction.CallbackContext context)
         {
-            if (!isBuildModeActive || previewObject == null || BuildingManager.Instance == null)
-                return;
+            if (!isBuildModeActive || previewObject == null) return;
 
-            BuildingData data = BuildingManager.Instance.availableBuildings[selectedBuildingIndex];
-            Vector3 placementPosition = previewObject.transform.position - data.placementOffset;
-
-            // Validate placement one more time
-            if (BuildingManager.Instance.IsValidPlacement(data, placementPosition, currentRotation, out Vector3 snappedPosition))
+            // Get placement position
+            Ray ray = Camera.main.ScreenPointToRay(Mouse.current.position.ReadValue());
+            if (Physics.Raycast(ray, out RaycastHit hit, maxPlacementDistance, groundLayer))
             {
-                // 🔥 변경: PlaceBuildingServerRpc 대신 RequestPlaceBuilding 호출
-                BuildingManager.Instance.RequestPlaceBuilding(selectedBuildingIndex, snappedPosition, currentRotation);
+                BuildingData selectedData = BuildingManager.Instance.availableBuildings[selectedBuildingIndex];
                 
-                Debug.Log($"<color=cyan>[BuildingPlacement] 건물 배치 요청: {data.buildingName}</color>");
-            }
-            else
-            {
-                Debug.LogWarning("<color=yellow>[BuildingPlacement] 건물을 배치할 수 없는 위치입니다.</color>");
+                if (BuildingManager.Instance.IsValidPlacement(selectedData, hit.point, currentRotation, out Vector3 groundPosition))
+                {
+                    // 토대 배치 요청 (실제로는 토대가 생성됨)
+                    BuildingManager.Instance.RequestPlaceFoundation(selectedBuildingIndex, groundPosition, currentRotation);
+                    
+                    Debug.Log($"<color=green>[BuildingPlacement] 토대 배치 요청: {selectedData.buildingName}</color>");
+                }
+                else
+                {
+                    Debug.LogWarning("<color=yellow>[BuildingPlacement] 배치할 수 없는 위치입니다.</color>");
+                }
             }
         }