meta파일 추가 및 gitignore에서 제거

Assets/Scripts/Enemy.meta

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Assets/Scripts/Enemy/EnemyAttack.cs.meta

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Assets/Scripts/Enemy/EnemyHealth.cs.meta

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Assets/Scripts/Enemy/EnemyMoveDefault.cs.meta

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Assets/Scripts/GameBase.meta

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Assets/Scripts/GameBase/Billboard.cs.meta

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Assets/Scripts/GameBase/BuildManager.cs

@@ -6,15 +6,16 @@ using System.Collections.Generic;
 public class BuildManager : MonoBehaviour
 {
     public static BuildManager Instance;
-
+    
     [System.Serializable]
-    public struct TurretData // 타워별 정보를 담는 구조체
+    public struct TurretData
     {
         public string turretName;
-        public GameObject finalPrefab;     // 완공 후 실제 타워
-        public GameObject ghostPrefab;     // 건설 모드 시 미리보기
-        public float buildTime;            // 건설 소요 시간
-        public Vector2Int size;            // 점유 칸수
+        public bool isTunnel; // [추가] 터널 여부 체크
+        public GameObject finalPrefab;
+        public GameObject ghostPrefab;
+        public float buildTime;
+        public Vector2Int size;
     }
 
     public bool IsBuildMode => isBuildMode;
@@ -216,32 +217,48 @@ public class BuildManager : MonoBehaviour
     }
 
     // --- Utilities ---
-    private bool CanBuild(Vector2Int startPos, Vector2Int size)
+    private bool CanBuild(Vector2Int startPos, TurretData data)
     {
-        for (int x = 0; x < size.x; x++)
-            for (int y = 0; y < size.y; y++)
-                if (_occupiedNodes.Contains(new Vector2Int(startPos.x + x, startPos.y + y))) 
+        // 1. 기존 점유 노드 및 플레이어 충돌 체크 (기존 로직)
+        for (int x = 0; x < data.size.x; x++)
+            for (int y = 0; y < data.size.y; y++)
+                if (_occupiedNodes.Contains(new Vector2Int(startPos.x + x, startPos.y + y)))
                     return false;
 
-        // 2. 플레이어와 겹치는지 물리적 박스 검사
-        Vector3 center = GridToWorld(startPos, size);
-        // 타워 높이의 절반 정도 위에서 검사 (y축 위치 보정)
-        center.y = 1f;
+        // 2. 터널 연결 제약 조건 체크
+        if (data.isTunnel)
+        {
+            return IsConnectedToExistingTunnel(startPos, data);
+        }
 
-        // 타워 사이즈보다 아주 살짝 작게 설정하여 여유 공간 부여 (0.45f)
-        Vector3 halfExtents = new Vector3(size.x * 0.45f, 0.5f, size.y * 0.45f);
-
-        // 해당 영역에 playerLayer를 가진 콜라이더가 있는지 확인
-        bool isPlayerOverlapping = Physics.CheckBox(center, halfExtents, Quaternion.identity, playerLayer);
-
-        return !isPlayerOverlapping;
+        return true; // 일반 타워는 어디든 건설 가능 (필요시 수정)
     }
 
-    private Vector2Int WorldToGrid(Vector3 worldPos) => new Vector2Int(Mathf.FloorToInt(worldPos.x / cellSize), Mathf.FloorToInt(worldPos.z / cellSize));
-
-    private Vector3 GridToWorld(Vector2Int gridPos, Vector2Int size)
+    private bool IsConnectedToExistingTunnel(Vector2Int startPos, TurretData data)
     {
-        return new Vector3(gridPos.x * cellSize + (size.x - 1) * cellSize * 0.5f, 0.05f, gridPos.y * cellSize + (size.y - 1) * cellSize * 0.5f);
+        // [중요] 게임의 첫 번째 터널을 지을 수 있도록, 기존 터널이 아예 없다면 true 반환 
+        // 혹은 '코어(성벽)' 레이어를 체크하도록 할 수도 있습니다.
+        if (_occupiedNodes.Count == 0) return true;
+
+        // 현재 배치하려는 고스트의 위치 근처에 이미 완성된 TunnelNode가 있는지 검사합니다.
+        Vector3 ghostWorldPos = GridToWorld(startPos, data.size);
+
+        // 고스트 프리팹에 있는 노드들의 상대 위치를 활용해 주변을 검색합니다.
+        // 여기서는 간단하게 고스트의 일정 반경 내에 Tunnel 레이어가 있는지 확인합니다.
+        float checkRadius = cellSize * 1.5f; // 한 칸 정도의 여유 범위
+        Collider[] neighbors = Physics.OverlapSphere(ghostWorldPos, checkRadius, LayerMask.GetMask("Tunnel"));
+
+        foreach (var col in neighbors)
+        {
+            // 건설 중인 '토대'가 아니라, 이미 '완공된' 터널 노드인지 확인해야 합니다.
+            TunnelNode node = col.GetComponent<TunnelNode>();
+            if (node != null && node.gameObject.activeInHierarchy)
+            {
+                return true; // 연결 가능한 노드 발견!
+            }
+        }
+
+        return false; // 주변에 연결된 터널이 없음
     }
 
     private void OnDrawGizmos()

Assets/Scripts/GameBase/BuildManager.cs.meta

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Assets/Scripts/GameBase/Core.cs.meta

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Assets/Scripts/GameBase/GameManager.cs.meta

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Assets/Scripts/GameBase/Gate.cs.meta

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Assets/Scripts/GameBase/IDamageable.cs.meta

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Assets/Scripts/GameBase/Portal.cs.meta

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Assets/Scripts/GameBase/WaveManager.cs.meta

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Assets/Scripts/IInteractable.cs.meta

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Assets/Scripts/Player.meta

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Assets/Scripts/Player/PlayerBuildInteract.cs.meta

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Assets/Scripts/Player/PlayerInteraction.cs.meta

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Assets/Scripts/Player/PlayerInteractionController.cs.meta

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Assets/Scripts/Player/PlayerMovement.cs.meta

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Assets/Scripts/Tower.meta

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Assets/Scripts/Tower/AreaTowerAttack.cs.meta

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Assets/Scripts/Tower/ConstructionSite.cs

@@ -52,11 +52,23 @@ public class ConstructionSite : MonoBehaviour
 
     private void CompleteBuild()
     {
-        // 1. 실제 타워 생성
-        GameObject turret = Instantiate(_finalTurretPrefab, transform.position, transform.rotation);
+        GameObject finalTurret = Instantiate(_finalPrefab, transform.position, Quaternion.identity);
+        BuildManager.Instance.AlignToGround(finalTurret, 0f);
 
-        // 2. 생성된 타워의 크기를 저장해둔 사이즈로 변경!
-        turret.transform.localScale = new Vector3(_size.x, 1f, _size.y);
+        // [추가] 새로 생긴 터널의 노드들에게 주변 연결을 찾으라고 명령
+        TunnelNode[] newNodes = finalTurret.GetComponentsInChildren<TunnelNode>();
+        foreach (var node in newNodes)
+        {
+            node.FindNeighborNode();
+        }
+
+        // [추가] 주변에 있던 기존 노드들도 새 노드를 찾도록 주변 검색 실행
+        Collider[] neighbors = Physics.OverlapSphere(transform.position, 5f, LayerMask.GetMask("Tunnel"));
+        foreach (var col in neighbors)
+        {
+            TunnelNode neighborNode = col.GetComponent<TunnelNode>();
+            if (neighborNode != null) neighborNode.FindNeighborNode();
+        }
 
         Destroy(gameObject);
     }

Assets/Scripts/Tower/ConstructionSite.cs.meta

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Assets/Scripts/Tower/ExplosiveProjectile.cs.meta

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Assets/Scripts/Tower/Projectile.cs.meta

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Assets/Scripts/Tower/TowerAttack.cs.meta

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Assets/Scripts/Tower/TowerRangeOverlay.cs.meta

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Assets/Scripts/TunnelNode.cs.meta

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Assets/Scripts/TunnelTraveler.cs.meta

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