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블록 프리팹 단위 -> 블록 청크 단위 스폰
기타 건설, 조준 관련 사이드이펙트 버그 수정

Assets/Scripts/GameBase/BuildManager.cs

@@ -2,6 +2,7 @@ using UnityEngine;
 using Unity.Netcode;
 using UnityEngine.InputSystem;
 using UnityEngine.EventSystems;
+using UnityEngine.UI;
 using System.Collections.Generic;
 
 public class BuildManager : NetworkBehaviour
@@ -36,6 +37,9 @@ public class BuildManager : NetworkBehaviour
     private Vector3Int _currentGridPos;
     private PlayerInputActions _inputActions;
 
+    // Public property to check if currently in build mode
+    public bool IsBuildMode => _isBuildMode;
+
     private Dictionary<Vector3Int, TunnelNode> _tunnelRegistry = new Dictionary<Vector3Int, TunnelNode>();
     private HashSet<Vector3Int> _occupiedNodes = new HashSet<Vector3Int>();
 
@@ -139,10 +143,59 @@ public class BuildManager : NetworkBehaviour
         return _tunnelRegistry.GetValueOrDefault(pos);
     }
 
+    // Helper method to properly check if pointer is over UI with New Input System
+    private bool IsPointerOverUI()
+    {
+        if (EventSystem.current == null) return false;
+
+        // Use the new input system's pointer position
+        Vector2 pointerPosition = Mouse.current.position.ReadValue();
+
+        PointerEventData eventData = new PointerEventData(EventSystem.current)
+        {
+            position = pointerPosition
+        };
+
+        List<RaycastResult> results = new List<RaycastResult>();
+        EventSystem.current.RaycastAll(eventData, results);
+
+        // Filter out non-interactive UI elements (crosshair, HUD, etc.)
+        foreach (var result in results)
+        {
+            GameObject uiObject = result.gameObject;
+
+            // Ignore non-interactive UI elements by name
+            if (uiObject.name == "Crosshair" ||
+                uiObject.name.Contains("HUD") ||
+                uiObject.name.Contains("Display"))
+            {
+                continue;
+            }
+
+            // Check if the UI element is actually interactive (has a Selectable component)
+            UnityEngine.UI.Selectable selectable = uiObject.GetComponent<UnityEngine.UI.Selectable>();
+            if (selectable != null && selectable.interactable)
+            {
+                return true;
+            }
+
+            // Also check parent objects for Selectable components (in case we hit a child element)
+            selectable = uiObject.GetComponentInParent<UnityEngine.UI.Selectable>();
+            if (selectable != null && selectable.interactable)
+            {
+                return true;
+            }
+        }
+
+        // No interactive UI elements found
+        return false;
+    }
+
     // 1. 건설 요청 시 실제 계산된 worldPos를 넘겨줍니다.
     private void OnBuildRequested()
     {
-        if (!_isBuildMode || EventSystem.current.IsPointerOverGameObject()) return;
+        if (!_isBuildMode) return;
+        if (IsPointerOverUI()) return;
 
         // 고스트가 현재 위치한 '그 좌표'를 그대로 보냅니다.
         RequestBuildRpc(_selectedTurretIndex, _currentGridPos, _ghostInstance.transform.position);
@@ -153,12 +206,30 @@ public class BuildManager : NetworkBehaviour
     [Rpc(SendTo.Server, InvokePermission = RpcInvokePermission.Everyone)]
     private void RequestBuildRpc(int index, Vector3Int gridPos, Vector3 worldPos)
     {
+        if (constructionSitePrefab == null)
+        {
+            Debug.LogError("[BuildManager] Construction site prefab is null!");
+            return;
+        }
+
         // GridToWorld를 다시 계산하지 않고 전달받은 worldPos를 그대로 사용합니다.
         GameObject siteObj = Instantiate(constructionSitePrefab, worldPos, Quaternion.identity);
-        siteObj.GetComponent<NetworkObject>().Spawn();
+
+        NetworkObject netObj = siteObj.GetComponent<NetworkObject>();
+        if (netObj == null)
+        {
+            Debug.LogError("[BuildManager] Construction site has no NetworkObject component!");
+            Destroy(siteObj);
+            return;
+        }
+
+        netObj.Spawn();
 
         ConstructionSite site = siteObj.GetComponent<ConstructionSite>();
-        if (site != null) site.Initialize(index, gridPos);
+        if (site != null)
+        {
+            site.Initialize(index, gridPos);
+        }
     }
 
     public void SelectTurret(int index)