터널 연장 로직 개선

Assets/Prefabs/Tunnel Ghost.prefab

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Assets/Scenes/DefenceScene.unity

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       propertyPath: m_LocalRotation.w
@@ -3178,7 +3383,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 4415413950589506134, guid: 2b08dd32e48ef5e4aa65a6122099152e, type: 3}
       propertyPath: m_LocalPosition.z
-      value: -7.59703
+      value: -19.59703
       objectReference: {fileID: 0}
     - target: {fileID: 4415413950589506134, guid: 2b08dd32e48ef5e4aa65a6122099152e, type: 3}
       propertyPath: m_LocalRotation.w
@@ -3194,7 +3399,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 5356928211000044894, guid: 2b08dd32e48ef5e4aa65a6122099152e, type: 3}
       propertyPath: FollowOffset.z
-      value: -8
+      value: -20
       objectReference: {fileID: 0}
     m_RemovedComponents: []
     m_RemovedGameObjects: []

Assets/Scripts/GameBase/BuildManager.cs

@@ -11,33 +11,88 @@ public class BuildManager : MonoBehaviour
     public struct TurretData
     {
         public string turretName;
-        public bool isTunnel; // [추가] 터널 여부 체크
+        public bool isTunnel;
         public GameObject finalPrefab;
         public GameObject ghostPrefab;
         public float buildTime;
         public Vector2Int size;
     }
 
-    public bool IsBuildMode => isBuildMode;
-
     [Header("Settings")]
-    [SerializeField] private float cellSize = 1f;
+    public float cellSize = 1f;
+    public float tunnelHeight = 3f;
     [SerializeField] private LayerMask groundLayer;
-    [SerializeField] private GameObject constructionSitePrefab; // 공용 토대 프리팹
+    [SerializeField] private GameObject constructionSitePrefab;
-
+    [SerializeField] private LayerMask playerLayer;
-    [Header("Current Selection")]
-    [SerializeField] private TurretData selectedTurret; // 현재 선택된 타워 데이터
-    [SerializeField] private bool isBuildMode = false;
-
-    [SerializeField] private LayerMask playerLayer; // 플레이어의 레이어
 
     [Header("Turret Library")]
-    [SerializeField] private List<TurretData> turretLibrary; // 인스펙터에서 여러 타워 등록
+    [SerializeField] private List<TurretData> turretLibrary;
+    [SerializeField] private TurretData selectedTurret;
 
     private GameObject _ghostInstance;
     private Material _ghostMaterial;
-    private HashSet<Vector2Int> _occupiedNodes = new HashSet<Vector2Int>();
+    private bool _isBuildMode = false;
+    public bool IsBuildMode => _isBuildMode;
+
+    // 좌표 레지스트리 (물리 탐색 대체)
+    private Dictionary<Vector3Int, TunnelNode> _tunnelRegistry = new Dictionary<Vector3Int, TunnelNode>();
+    private HashSet<Vector3Int> _occupiedNodes = new HashSet<Vector3Int>();
+
     private PlayerInputActions _inputActions;
+    private Vector3Int _currentGridPos;
+    private float _currentY;
+
+
+    // 게임 시작 시 기존 터널들 등록 (반드시 필요!)
+    void Start()
+    {
+        // 1. 씬에 배치된 모든 터널을 찾아 등록하고 연결합니다.
+        RegisterAllExistingTunnels();
+    }
+
+    public void RegisterTunnel(Vector3Int pos, TunnelNode node)
+    {
+        if (!_tunnelRegistry.ContainsKey(pos))
+        {
+            _tunnelRegistry.Add(pos, node);
+            _occupiedNodes.Add(pos);
+            Debug.Log($"<color=green>[Registry]</color> {pos} 좌표에 {node.name} 등록 완료");
+        }
+    }
+
+    // 씬에 이미 배치된 터널들을 등록하는 함수 (Start에서 호출)
+    public void RegisterAllExistingTunnels()
+    {
+        _tunnelRegistry.Clear();
+        _occupiedNodes.Clear();
+
+        TunnelNode[] nodes = FindObjectsByType<TunnelNode>(FindObjectsSortMode.None);
+        HashSet<Transform> roots = new HashSet<Transform>();
+
+        foreach (var node in nodes)
+        {
+            Transform root = node.transform.parent.parent; // Tunnel (1)
+            if (!roots.Contains(root))
+            {
+                Vector3Int pos = WorldToGrid3D(root.position);
+                RegisterTunnel(pos, node);
+                roots.Add(root);
+            }
+        }
+
+        // 모든 등록이 끝난 후 '동시에' 연결
+        foreach (var node in nodes) node.LinkVertical();
+    }
+
+    // [핵심 수정] 노드의 위치가 아닌, 터널 부모의 위치를 넣어도 정확한 격자가 나오도록 함
+    public Vector3Int WorldToGrid3D(Vector3 worldPos)
+    {
+        int x = Mathf.FloorToInt(worldPos.x / cellSize);
+        int z = Mathf.FloorToInt(worldPos.z / cellSize);
+        // Y값은 tunnelHeight로 나눈 뒤 반올림(Round)하여 오차 극복
+        int y = Mathf.RoundToInt(worldPos.y / tunnelHeight);
+        return new Vector3Int(x, y, z);
+    }
 
     void Awake()
     {
@@ -47,234 +102,112 @@ public class BuildManager : MonoBehaviour
 
     void OnEnable()
     {
-        _inputActions.Player.Build.performed += OnBuildPerformed;
+        // 최신 Input System 콜백 등록
-        _inputActions.Player.Cancel.performed += OnCancelPerformed;
+        _inputActions.Player.Build.performed += ctx => OnBuildRequested();
-        _inputActions.Player.ToggleBuild.performed += OnTogglePerformed;
+        _inputActions.Player.Cancel.performed += ctx => ExitBuildMode();
+        _inputActions.Player.ToggleBuild.performed += ctx => ToggleBuildMode();
         _inputActions.Enable();
     }
 
-    void OnDisable()
+    void OnDisable() => _inputActions.Disable();
-    {
-        _inputActions.Disable();
-    }
 
     void Update()
     {
-        if (!isBuildMode || _ghostInstance == null) return;
+        if (!_isBuildMode || _ghostInstance == null) return;
 
-        Vector2 mousePos = Mouse.current.position.ReadValue();
+        UpdateGhostPosition();
-        Ray ray = Camera.main.ScreenPointToRay(mousePos);
+    }
 
-        if (Physics.Raycast(ray, out RaycastHit hit, Mathf.Infinity, groundLayer))
+    private void UpdateGhostPosition()
+    {
+        Ray ray = Camera.main.ScreenPointToRay(Mouse.current.position.ReadValue());
+        int tunnelMask = LayerMask.GetMask("Tunnel");
+
+        if (Physics.Raycast(ray, out RaycastHit hit, Mathf.Infinity, groundLayer | tunnelMask))
         {
-            Vector2Int gridPos = WorldToGrid(hit.point);
+            Vector2Int xz = WorldToGrid(hit.point);
-            _ghostInstance.transform.position = GridToWorld(gridPos, selectedTurret.size);
+            float targetY = 0.05f;
+            int floor = 0;
 
-            // [수정] CanBuild 호출 인자를 selectedTurret 전체로 변경
+            // 터널 조준 시 지하로 스냅
-            bool canPlace = CanBuild(gridPos, selectedTurret);
+            if (((1 << hit.collider.gameObject.layer) & tunnelMask) != 0)
-
-            // 고스트 색상 변경
-            if (_ghostMaterial != null)
             {
-                _ghostMaterial.color = canPlace ? new Color(0, 1, 0, 0.5f) : new Color(1, 0, 0, 0.5f);
+                xz = WorldToGrid(hit.collider.transform.position);
+                targetY = hit.collider.transform.position.y - tunnelHeight;
+                floor = Mathf.RoundToInt(targetY / tunnelHeight);
             }
 
-            // 미리보기 타워의 사거리 표시기 제어
+            _currentGridPos = new Vector3Int(xz.x, floor, xz.y);
-            TowerRangeOverlay overlay = _ghostInstance.GetComponentInChildren<TowerRangeOverlay>();
+            _currentY = targetY;
-            if (overlay != null)
+
-            {
+            _ghostInstance.transform.position = new Vector3(xz.x * cellSize, targetY, xz.y * cellSize);
-                overlay.ShowRange(true);
+
-                overlay.UpdateRangeScale(); // 매 프레임 스케일 보정
+            bool canBuild = CanBuildVertical(_currentGridPos);
-            }
+            _ghostMaterial.color = canBuild ? new Color(0, 1, 0, 0.5f) : new Color(1, 0, 0, 0.5f);
         }
     }
 
-    // --- Input Callbacks ---
+    private bool CanBuildVertical(Vector3Int pos)
-    private void OnTogglePerformed(InputAction.CallbackContext context) => ToggleBuildMode();
-    private void OnCancelPerformed(InputAction.CallbackContext context)
     {
-        if (isBuildMode) ToggleBuildMode();
+        if (_occupiedNodes.Contains(pos)) return false;
+        // 지하 건설 시 위층 터널 존재 여부 확인
+        if (pos.y < 0 && !_occupiedNodes.Contains(pos + Vector3Int.up)) return false;
+
+        // 플레이어와 겹치는지 확인
+        return !Physics.CheckBox(new Vector3(pos.x * cellSize, pos.y * tunnelHeight + 1f, pos.z * cellSize),
+                                  new Vector3(0.45f, 0.5f, 0.45f), Quaternion.identity, playerLayer);
     }
 
-    private void OnBuildPerformed(InputAction.CallbackContext context)
+    private void OnBuildRequested()
     {
-        if (!isBuildMode || EventSystem.current.IsPointerOverGameObject()) return;
+        if (!_isBuildMode || EventSystem.current.IsPointerOverGameObject()) return;
+        if (!CanBuildVertical(_currentGridPos)) return;
 
-        Vector2 mousePos = Mouse.current.position.ReadValue();
+        _occupiedNodes.Add(_currentGridPos);
-        Ray ray = Camera.main.ScreenPointToRay(mousePos);
+        GameObject site = Instantiate(constructionSitePrefab, _ghostInstance.transform.position, Quaternion.identity);
+        site.GetComponent<ConstructionSite>().Initialize(selectedTurret.finalPrefab, selectedTurret.buildTime, _currentGridPos);
 
-        if (Physics.Raycast(ray, out RaycastHit hit, Mathf.Infinity, groundLayer))
+        ExitBuildMode();
-        {
-            Vector2Int gridPos = WorldToGrid(hit.point);
-            // [수정] CanBuild 호출 인자 변경
-            if (CanBuild(gridPos, selectedTurret))
-            {
-                Build(gridPos, selectedTurret);
-            }
-        }
     }
 
-    // --- Core Logic ---
+    public TunnelNode GetTunnelAt(Vector3Int pos) => _tunnelRegistry.GetValueOrDefault(pos);
-    private void ToggleBuildMode()
+
+    public Vector2Int WorldToGrid(Vector3 pos) => new Vector2Int(Mathf.FloorToInt(pos.x / cellSize), Mathf.FloorToInt(pos.z / cellSize));
+
+    private void ToggleBuildMode() { if (_isBuildMode) ExitBuildMode(); else EnterBuildMode(); }
+    private void EnterBuildMode()
     {
-        isBuildMode = !isBuildMode;
+        _isBuildMode = true;
-
-        if (isBuildMode) CreateGhost();
-        else DestroyGhost();
-    }
-
-    private void CreateGhost()
-    {
-        if (selectedTurret.ghostPrefab == null) return;
-        if (_ghostInstance != null) Destroy(_ghostInstance);
-
         _ghostInstance = Instantiate(selectedTurret.ghostPrefab);
-
+        _ghostMaterial = _ghostInstance.GetComponentInChildren<Renderer>().material;
-        // 고스트의 머티리얼 참조 (색상 변경용)
-        Renderer ghostRenderer = _ghostInstance.GetComponentInChildren<Renderer>();
-        if (ghostRenderer != null) _ghostMaterial = ghostRenderer.material;
-
-        // 1. 비주얼 스케일 조절
-        Transform visual = _ghostInstance.transform.Find("Visual");
-        if (visual != null)
-        {
-            visual.localScale = new Vector3(selectedTurret.size.x, 1f, selectedTurret.size.y);
-        }
-
-        // 2. 바닥 정렬
-        AlignToGround(_ghostInstance, 0f);
     }
-
+    private void ExitBuildMode()
-    private void DestroyGhost()
     {
-        if (_ghostInstance != null) Destroy(_ghostInstance);
+        _isBuildMode = false;
-        _ghostMaterial = null;
+        if (_ghostInstance) Destroy(_ghostInstance);
-    }
-
-    private void Build(Vector2Int gridPos, TurretData data)
-    {
-        if (constructionSitePrefab == null || data.finalPrefab == null)
-        {
-            Debug.LogError("BuildManager: 프리팹 할당 상태를 확인하세요!");
-            return;
-        }
-
-        // 점유 노드 등록
-        for (int x = 0; x < data.size.x; x++)
-            for (int y = 0; y < data.size.y; y++)
-                _occupiedNodes.Add(new Vector2Int(gridPos.x + x, gridPos.y + y));
-
-        // 토대 생성
-        GameObject siteObj = Instantiate(constructionSitePrefab, GridToWorld(gridPos, data.size), Quaternion.identity);
-
-        // 토대 비주얼 스케일 조절
-        Transform visual = siteObj.transform.Find("Visual");
-        if (visual != null)
-        {
-            visual.localScale = new Vector3(data.size.x, 1f, data.size.y);
-        }
-
-        // 토대 바닥 정렬
-        AlignToGround(siteObj, 0f);
-
-        // 컴포넌트 초기화
-        ConstructionSite siteScript = siteObj.GetComponent<ConstructionSite>();
-        if (siteScript != null)
-        {
-            siteScript.Initialize(data.finalPrefab, data.buildTime, data.size);
-        }
-
-        ToggleBuildMode();
-    }
-
-    // --- Utilities ---
-    private bool CanBuild(Vector2Int startPos, TurretData data)
-    {
-        // 1. 기존 점유 노드 및 플레이어 충돌 체크
-        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;
-            }
-        }
-
-        // 플레이어와 겹치는지 체크
-        Vector3 center = GridToWorld(startPos, data.size);
-        center.y = 1f;
-        Vector3 halfExtents = new Vector3(data.size.x * 0.45f, 0.5f, data.size.y * 0.45f);
-        if (Physics.CheckBox(center, halfExtents, Quaternion.identity, playerLayer))
-            return false;
-
-        // 2. 터널 연결 제약 조건 체크
-        if (data.isTunnel)
-        {
-            return IsConnectedToExistingTunnel(startPos, data);
-        }
-
-        return true;
-    }
-
-    private bool IsConnectedToExistingTunnel(Vector2Int startPos, TurretData data)
-    {
-        // 첫 번째 터널은 자유롭게 설치 (또는 특정 구역 제한)
-        if (_occupiedNodes.Count == 0) return true;
-
-        Vector3 ghostWorldPos = GridToWorld(startPos, data.size);
-        float checkRadius = cellSize * 1.5f;
-        Collider[] neighbors = Physics.OverlapSphere(ghostWorldPos, checkRadius, LayerMask.GetMask("Tunnel"));
-
-        foreach (var col in neighbors)
-        {
-            TunnelNode node = col.GetComponent<TunnelNode>();
-            if (node != null && node.gameObject.activeInHierarchy)
-            {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    public Vector2Int WorldToGrid(Vector3 worldPos) => new Vector2Int(Mathf.FloorToInt(worldPos.x / cellSize), Mathf.FloorToInt(worldPos.z / cellSize));
-
-    public Vector3 GridToWorld(Vector2Int gridPos, Vector2Int size)
-    {
-        return new Vector3(gridPos.x * cellSize + (size.x - 1) * cellSize * 0.5f, 0.05f, gridPos.y * cellSize + (size.y - 1) * cellSize * 0.5f);
-    }
-
-    public void AlignToGround(GameObject obj, float yOffset)
-    {
-        Transform visual = obj.transform.Find("Visual");
-        if (visual == null) return;
-
-        MeshRenderer[] renderers = visual.GetComponentsInChildren<MeshRenderer>();
-        if (renderers.Length == 0) return;
-
-        Bounds bounds = renderers[0].bounds;
-        foreach (var renderer in renderers)
-        {
-            bounds.Encapsulate(renderer.bounds);
-        }
-
-        float bottomY = bounds.min.y - obj.transform.position.y;
-        visual.localPosition = new Vector3(0, -bottomY + yOffset, 0);
-    }
-
-    private void OnDrawGizmos()
-    {
-        Gizmos.color = new Color(1, 1, 1, 0.1f);
-        for (int x = -10; x <= 10; x++)
-            for (int z = -10; z <= 10; z++)
-                Gizmos.DrawWireCube(new Vector3(x * cellSize, 0, z * cellSize), new Vector3(cellSize, 0.01f, cellSize));
     }
 
+    // BuildManager.cs 내부
     public void SelectTurret(int index)
     {
         if (index >= 0 && index < turretLibrary.Count)
         {
             selectedTurret = turretLibrary[index];
-            if (isBuildMode) CreateGhost();
+
+            // 현재 건설 모드가 아니라면 건설 모드로 진입
+            if (!_isBuildMode)
+            {
+                EnterBuildMode();
+            }
+            else
+            {
+                // 이미 건설 모드라면 고스트만 교체
+                if (_ghostInstance) Destroy(_ghostInstance);
+                _ghostInstance = Instantiate(selectedTurret.ghostPrefab);
+                _ghostMaterial = _ghostInstance.GetComponentInChildren<Renderer>().material;
+            }
+
+            Debug.Log($"{selectedTurret.turretName} 선택됨");
         }
     }
 }

Assets/Scripts/Player/PlayerInteractionController.cs

@@ -1,35 +1,33 @@
 using UnityEngine;
 using UnityEngine.InputSystem;
+using System.Collections.Generic;
 
 public class PlayerInteractionController : MonoBehaviour
 {
     [Header("Detection Settings")]
     [SerializeField] private float range = 3f;
-    [SerializeField] private LayerMask interactableLayer; // Tunnel용 레이어
+    [SerializeField] private LayerMask interactableLayer; // TunnelNode 감지용
-    [SerializeField] private LayerMask constructionLayer; // 건설 토대용 레이어
+    [SerializeField] private LayerMask constructionLayer; // ConstructionSite 감지용
 
     [Header("Build Settings")]
     [SerializeField] private float buildSpeedMultiplier = 2f;
 
     private PlayerInputActions _inputActions;
     private bool _isHoldingInteract = false;
+    private TunnelTraveler _traveler;
 
     void Awake()
     {
         _inputActions = new PlayerInputActions();
+        _traveler = GetComponent<TunnelTraveler>();
 
-        // 탭(짧게 누르기) 시점 체크
+        // [최신화] 탭/홀드 로직을 Input Action 이벤트에 직접 바인딩
-        _inputActions.Player.Interact.performed += OnInteractTap;
+        // 1. 단일 상호작용 (터널 진입 등)
+        _inputActions.Player.Interact.performed += OnInteractPerformed;
 
-        // 홀드(꾹 누르기) 시작/종료 체크
+        // 2. 지속 상호작용 (건설 가속)
-        _inputActions.Player.Interact.started += ctx => {
+        _inputActions.Player.Interact.started += ctx => _isHoldingInteract = true;
-            _isHoldingInteract = true;
+        _inputActions.Player.Interact.canceled += ctx => _isHoldingInteract = false;
-            Debug.Log("인터랙션 버튼 누르기 시작 (건설 가속 준비)");
-        };
-        _inputActions.Player.Interact.canceled += ctx => {
-            _isHoldingInteract = false;
-            Debug.Log("인터랙션 버튼 뗌");
-        };
     }
 
     void OnEnable() => _inputActions.Enable();
@@ -37,52 +35,65 @@ public class PlayerInteractionController : MonoBehaviour
 
     void Update()
     {
-        if (_isHoldingInteract)
+        // 홀드 중일 때만 건설 지원 로직 실행
+        if (_isHoldingInteract && !(_traveler != null && _traveler.IsTraveling))
         {
             PerformConstructionSupport();
         }
     }
 
-    private void OnInteractTap(InputAction.CallbackContext context)
+    private void OnInteractPerformed(InputAction.CallbackContext context)
     {
-        Debug.Log("E 키 탭 감지! 주변 탐색 시작...");
+        // [로그 1] 버튼 입력 자체가 인식되는지 확인
+        Debug.Log("<color=white>1. E 키 입력 감지됨</color>");
+
+        if (_traveler != null && _traveler.IsTraveling)
+        {
+            Debug.Log("<color=gray>이동 중이라 상호작용 무시됨</color>");
+            return;
+        }
+
+        // [로그 2] 탐색 시작 위치와 범위 확인
+        Debug.Log($"<color=white>2. 탐색 시작 - 위치: {transform.position}, 범위: {range}, 레이어: {interactableLayer.value}</color>");
 
-        // 1. 주변 모든 콜라이더 가져오기 (레이어 마스크 없이 먼저 테스트해보고 싶다면 0 대신 ~0 입력)
         Collider[] colliders = Physics.OverlapSphere(transform.position, range, interactableLayer);
 
-        Debug.Log($"주변 {interactableLayer.value} 레이어에서 {colliders.Length}개의 오브젝트 감지됨");
+        // [로그 3] 감지된 콜라이더 개수 확인
+        Debug.Log($"<color=cyan>3. 감지된 콜라이더 개수: {colliders.Length}</color>");
 
         foreach (var col in colliders)
         {
-            // 2. 인터페이스 찾기 (본인 또는 부모에게서)
+            // [로그 4] 감지된 오브젝트의 이름 출력
+            Debug.Log($"<color=yellow>4. 감지된 오브젝트: {col.name}</color>");
+
             IInteractable interactable = col.GetComponentInParent<IInteractable>();
             if (interactable != null)
             {
-                Debug.Log($"[성공] {col.name}에서 IInteractable 발견! 터널 진입합니다.");
+                Debug.Log("<color=green>5. IInteractable 발견! Interact 실행</color>");
                 interactable.Interact(gameObject);
-                _isHoldingInteract = false; // 이동 중에는 건설 지원 중단
+                break;
-                return;
-            }
-            else
-            {
-                Debug.Log($"[실패] {col.name} 감지되었으나 IInteractable 스크립트가 없음");
             }
         }
     }
 
     private void PerformConstructionSupport()
     {
+        // 주변의 건설 토대 감지
         Collider[] targets = Physics.OverlapSphere(transform.position, range, constructionLayer);
+
         foreach (var col in targets)
         {
-            ConstructionSite site = col.GetComponent<ConstructionSite>();
+            // 토대 스크립트 탐색 (부모 또는 본인)
+            ConstructionSite site = col.GetComponentInParent<ConstructionSite>();
             if (site != null)
             {
+                // 최신화된 AdvanceConstruction 호출
                 site.AdvanceConstruction(Time.deltaTime * buildSpeedMultiplier);
             }
         }
     }
 
+    // 에디터 시각화
     void OnDrawGizmosSelected()
     {
         Gizmos.color = Color.yellow;

Assets/Scripts/Tower/ConstructionSite.cs

@@ -1,96 +1,56 @@
 using UnityEngine;
-using UnityEngine.UI;
 
 public class ConstructionSite : MonoBehaviour
 {
-    [Header("UI Settings")]
+    private GameObject _finalPrefab;
-    [SerializeField] private GameObject uiPrefab; // Canvas 프리팹
-    [SerializeField] private Vector3 uiOffset = new Vector3(0, 2f, 0); // 머리 위 높이
-
-    private Slider _progressSlider;
-    private GameObject _finalPrefab; // 이름을 _finalPrefab으로 통일하여 에러 방지
     private float _buildTime;
-    private float _currentProgress = 0f;
+    private float _timer;
-    private Vector2Int _size;
+    private Vector3Int _gridPos;
+    private bool _isCompleted = false; // 중복 완공 방지 플래그
 
-    public void Initialize(GameObject finalPrefab, float time, Vector2Int size)
+    public void Initialize(GameObject final, float time, Vector3Int pos)
     {
-        _finalPrefab = finalPrefab;
+        _finalPrefab = final;
         _buildTime = time;
-        _size = size;
+        _gridPos = pos;
-
+        _timer = 0;
-        // UI 생성 및 초기화
+        _isCompleted = false;
-        if (uiPrefab != null)
-        {
-            GameObject uiObj = Instantiate(uiPrefab, transform.position + uiOffset, Quaternion.identity, transform);
-            _progressSlider = uiObj.GetComponentInChildren<Slider>();
-            if (_progressSlider != null)
-            {
-                _progressSlider.maxValue = 1f;
-                _progressSlider.value = 0f;
-            }
-        }
     }
 
+    void Update()
+    {
+        if (_isCompleted) return;
+
+        // 매 프레임 자동으로 시간이 흐름
+        _timer += Time.deltaTime;
+        if (_timer >= _buildTime) Complete();
+    }
+
+    // [핵심] 플레이어가 상호작용 버튼을 꾹 누를 때 호출되는 함수
     public void AdvanceConstruction(float amount)
     {
-        _currentProgress += amount;
+        if (_isCompleted) return;
-        float ratio = Mathf.Clamp01(_currentProgress / _buildTime);
 
-        // 슬라이더 업데이트
+        _timer += amount;
-        if (_progressSlider != null)
+        if (_timer >= _buildTime) Complete();
-        {
-            _progressSlider.value = ratio;
-        }
-
-        if (_currentProgress >= _buildTime)
-        {
-            CompleteBuild();
-        }
     }
 
-    private void CompleteBuild()
+    private void Complete()
     {
-        // 1. 실제 타워 생성
+        // 1. 터널 생성
-        GameObject finalTurret = Instantiate(_finalPrefab, transform.position, Quaternion.identity);
+        GameObject tunnel = Instantiate(_finalPrefab, transform.position, Quaternion.identity);
+        TunnelNode node = tunnel.GetComponentInChildren<TunnelNode>();
 
-        // 2. BuildManager를 통한 지면 정렬 (스케일 반영을 위해 호출)
+        if (node != null)
-        if (BuildManager.Instance != null)
         {
-            BuildManager.Instance.AlignToGround(finalTurret, 0f);
+            // 2. [수정] 완공된 터널의 루트 위치로 좌표 계산
+            Vector3Int myGridPos = BuildManager.Instance.WorldToGrid3D(tunnel.transform.position);
+
+            // 3. 레지스트리 등록 및 연결
+            BuildManager.Instance.RegisterTunnel(myGridPos, node);
+            node.LinkVertical();
         }
 
-        // 3. 터널 노드 연결 갱신 (터널인 경우에만 작동)
-        UpdateTunnelConnections(finalTurret);
-
-        // 4. 토대 제거
         Destroy(gameObject);
     }
-
-    private void UpdateTunnelConnections(GameObject newTurret)
-    {
-        // 3-1. 새로 생성된 타워 내부의 모든 TunnelNode를 찾아 주변 탐색 실행
-        TunnelNode[] newNodes = newTurret.GetComponentsInChildren<TunnelNode>();
-        if (newNodes.Length > 0)
-        {
-            foreach (var node in newNodes)
-            {
-                node.FindNeighborNode();
-            }
-
-            // 3-2. 주변에 이미 설치된 다른 터널 노드들도 새로운 터널을 인식하도록 재탐색 명령
-            // 5f는 격자 크기에 맞춰 적절히 조절 (일반적으로 격자 한 칸 이상이면 충분)
-            Collider[] neighbors = Physics.OverlapSphere(transform.position, 5f, LayerMask.GetMask("Tunnel"));
-            foreach (var col in neighbors)
-            {
-                TunnelNode neighborNode = col.GetComponentInParent<TunnelNode>();
-                if (neighborNode != null && !System.Array.Exists(newNodes, x => x == neighborNode))
-                {
-                    neighborNode.FindNeighborNode();
-                }
-            }
-
-            Debug.Log($"[Construction] {newTurret.name} 터널 연결 갱신 완료");
-        }
-    }
 }

Assets/Scripts/TunnelNode.cs

@@ -2,41 +2,64 @@ using UnityEngine;
 
 public class TunnelNode : MonoBehaviour, IInteractable
 {
-    public TunnelNode connectedNode;
+    public TunnelNode aboveNode;
-    public TunnelNode otherEndOfThisSegment;
+    public TunnelNode belowNode;
-    public float detectionRadius = 0.5f;
+
-    public LayerMask tunnelLayer;
+    // [중요] 이 노드가 속한 터널의 최상단 부모를 캐싱합니다.
+    private Transform _tunnelRoot;
+
+    void Awake()
+    {
+        // 이름이 "Tunnel"로 시작하는 부모를 찾거나, 단순히 부모의 부모를 참조합니다.
+        // 여기서는 이미지 구조에 맞게 부모(Visual)의 부모(Tunnel (1))를 찾습니다.
+        _tunnelRoot = transform.parent.parent;
+    }
+
+    public void LinkVertical()
+    {
+        // 루트(Tunnel 1)의 위치로 내 위치 파악
+        Transform myRoot = transform.parent.parent;
+        Vector3Int myPos = BuildManager.Instance.WorldToGrid3D(myRoot.position);
+
+        // 위/아래 터널 찾기
+        TunnelNode targetAbove = BuildManager.Instance.GetTunnelAt(myPos + Vector3Int.up);
+        TunnelNode targetBelow = BuildManager.Instance.GetTunnelAt(myPos + Vector3Int.down);
+
+        if (targetAbove != null)
+        {
+            this.aboveNode = targetAbove;
+            targetAbove.belowNode = this; // 상대방의 아래도 나로 설정 (양방향)
+        }
+
+        if (targetBelow != null)
+        {
+            this.belowNode = targetBelow;
+            targetBelow.aboveNode = this; // 상대방의 위도 나로 설정 (양방향)
+        }
+    }
+
+    private void OnDrawGizmos()
+    {
+        // 연결되었다면 Scene 뷰에서 선을 그림
+        if (aboveNode != null)
+        {
+            Gizmos.color = Color.blue;
+            Gizmos.DrawLine(transform.position, aboveNode.transform.position);
+            Gizmos.DrawSphere(aboveNode.transform.position, 0.2f);
+        }
+        if (belowNode != null)
+        {
+            Gizmos.color = Color.cyan;
+            Gizmos.DrawLine(transform.position, belowNode.transform.position);
+            Gizmos.DrawSphere(belowNode.transform.position, 0.2f);
+        }
+    }
 
-    // --- IInteractable 구현부 ---
     public void Interact(GameObject user)
     {
-        // 상호작용한 플레이어의 TunnelTraveler를 찾아 이동 시작!
+        var traveler = user.GetComponent<TunnelTraveler>();
-        TunnelTraveler traveler = user.GetComponent<TunnelTraveler>();
+        if (traveler && !traveler.IsTraveling) traveler.StartTravel(this);
-        if (traveler != null)
-        {
-            traveler.StartTravel(this);
-        }
     }
 
-    public string GetInteractionText()
+    public string GetInteractionText() => "터널 이용 [E]";
-    {
-        return "통로 진입";
-    }
-    // ----------------------------
-
-    void Start() => FindNeighborNode();
-
-    public void FindNeighborNode()
-    {
-        Collider[] colliders = Physics.OverlapSphere(transform.position, detectionRadius, tunnelLayer);
-        foreach (var col in colliders)
-        {
-            TunnelNode neighbor = col.GetComponent<TunnelNode>();
-            if (neighbor != null && neighbor != this && neighbor != otherEndOfThisSegment)
-            {
-                connectedNode = neighbor;
-                break;
-            }
-        }
-    }
 }

Assets/Scripts/TunnelTraveler.cs

@@ -4,87 +4,62 @@ using System.Collections.Generic;
 
 public class TunnelTraveler : MonoBehaviour
 {
-    public float travelSpeed = 25f; private bool _isTraveling = false;
+    public float travelSpeed = 20f;
-    // 외부에서 읽기 전용으로 접근할 수 있게 합니다.
+    private bool _isTraveling;
     public bool IsTraveling => _isTraveling;
 
-    private CharacterController _controller;
+    public void StartTravel(TunnelNode start)
-    private Rigidbody _rigidbody;
-
-    void Awake()
-    {
-        _controller = GetComponent<CharacterController>();
-        _rigidbody = GetComponent<Rigidbody>();
-    }
-
-    private IEnumerator TravelRoutine(List<Vector3> path, TunnelNode startNode)
-    {
-        _isTraveling = true;
-
-        if (_controller != null) _controller.enabled = false;
-        if (_rigidbody != null) _rigidbody.isKinematic = true;
-
-        // 1. 캐릭터 높이 보정값 계산
-        float heightOffset = 0f;
-        if (_controller != null) heightOffset = _controller.height / 2f;
-
-        // 2. [입구 정렬] 시작 노드의 정확한 중앙 위치로 플레이어를 즉시 이동시킵니다.
-        // 플레이어의 '발바닥' 위치를 노드 중앙보다 heightOffset만큼 아래로 맞춤
-        Vector3 entryPosition = new Vector3(startNode.transform.position.x,
-                                            startNode.transform.position.y - heightOffset,
-                                            startNode.transform.position.z);
-
-        // 시작 지점으로 순간이동 또는 아주 빠르게 정렬
-        transform.position = entryPosition;
-
-        // 3. 경로 이동 시작
-        foreach (Vector3 targetPos in path)
-        {
-            Vector3 adjustedTarget = new Vector3(targetPos.x, targetPos.y - heightOffset, targetPos.z);
-
-            while (Vector3.Distance(transform.position, adjustedTarget) > 0.01f)
-            {
-                transform.position = Vector3.MoveTowards(transform.position, adjustedTarget, travelSpeed * Time.deltaTime);
-                yield return null;
-            }
-            transform.position = adjustedTarget;
-        }
-
-        if (_rigidbody != null) _rigidbody.isKinematic = false;
-        if (_controller != null) _controller.enabled = true;
-
-        _isTraveling = false;
-    }
-
-    // StartTravel 함수에서 startNode를 코루틴에 넘겨주도록 수정
-    public void StartTravel(TunnelNode startNode)
     {
         if (_isTraveling) return;
 
-        List<Vector3> path = GeneratePath(startNode);
+        // [디버그 1] 상호작용한 노드의 연결 상태 확인
+        Debug.Log($"<color=white>[Travel] 시작 노드: {start.name} | 위: {(start.aboveNode != null)} | 아래: {(start.belowNode != null)}</color>");
+
+        List<Vector3> path = new List<Vector3>();
+
+        // 이동 방향 결정 (아래가 있으면 아래로, 없으면 위로)
+        bool goDown = start.belowNode != null;
+        TunnelNode curr = goDown ? start.belowNode : start.aboveNode;
+
+        while (curr != null)
+        {
+            path.Add(curr.transform.position);
+            curr = goDown ? curr.belowNode : curr.aboveNode;
+        }
+
+        // [디버그 2] 최종 경로 개수 확인
+        Debug.Log($"<color=yellow>[Travel] 생성된 경로 포인트 개수: {path.Count}</color>");
+
         if (path.Count > 0)
         {
-            // startNode 정보를 함께 넘김
+            StartCoroutine(Travel(path));
-            StartCoroutine(TravelRoutine(path, startNode));
+        }
+        else
+        {
+            Debug.LogWarning("<color=red>[Travel] 이동할 경로가 없습니다! 노드 연결을 확인하세요.</color>");
         }
     }
 
-    // GeneratePath 함수는 기존과 동일하게 유지합니다.
+    private IEnumerator Travel(List<Vector3> path)
-    private List<Vector3> GeneratePath(TunnelNode startNode)
     {
-        List<Vector3> path = new List<Vector3>();
+        Debug.Log("<color=green>[Travel] 코루틴 이동 시작!</color>");
-        TunnelNode currentNode = startNode;
+        _isTraveling = true;
-        HashSet<TunnelNode> visited = new HashSet<TunnelNode>();
+        var cc = GetComponent<CharacterController>();
+        if (cc) cc.enabled = false;
 
-        while (currentNode != null && !visited.Contains(currentNode))
+        foreach (var point in path)
         {
-            visited.Add(currentNode);
+            Vector3 target = new Vector3(point.x, point.y - (cc ? cc.height / 2 : 0), point.z);
-            TunnelNode exitNode = currentNode.otherEndOfThisSegment;
+            while (Vector3.Distance(transform.position, target) > 0.1f)
-            if (exitNode == null) break;
+            {
-
+                transform.position = Vector3.MoveTowards(transform.position, target, travelSpeed * Time.deltaTime);
-            path.Add(exitNode.transform.position);
+                yield return null;
-            currentNode = exitNode.connectedNode;
+            }
+            transform.position = target;
         }
-        return path;
+
+        if (cc) cc.enabled = true;
+        _isTraveling = false;
+        Debug.Log("<color=green>[Travel] 이동 완료!</color>");
     }
 }

ProjectSettings/TagManager.asset

@@ -19,7 +19,7 @@ TagManager:
   - ConstructionZone
   - Player
   - Interactable
-  - 
+  - Tunnel
   - 
   - 
   -