using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using BaseGames.Core;
using BaseGames.Core.Events;
using BaseGames.Core.Save;
namespace BaseGames.World.Map
{
///
/// 全屏地图 UI 面板（架构 15_MapShopModule §1.3）。
/// 由 UIManager PanelStack 管理开关；OnEnable 时重建格子并订阅更新事件。
///
/// 依赖项均通过 获取（、
/// 、），
/// 不持有任何具体 MonoBehaviour 的 SerializeField 引用，实现架构解耦。
///
///
public class MapPanel : MonoBehaviour
{
[SerializeField] private RectTransform _roomContainer; // 格子图放置根节点
[SerializeField] private MapRoomCellUI _cellPrefab; // 地图格子预制
[SerializeField] private Image _exitConnectorPrefab; // 出口连接线预制（小矩形 Image）
[SerializeField] private ScrollRect _scrollRect; // 包裹 _roomContainer 的滚动矩形（可空，无滚动时留空）
[Header("图标 Sprites")]
[SerializeField] private Sprite _iconSavePoint;
[SerializeField] private Sprite _iconBossRoom;
[SerializeField] private Sprite _iconShop;
[SerializeField] private Sprite _iconPlayerPos;
[Header("颜色")]
[SerializeField] private Color _colorExplored = Color.white;
[SerializeField] private Color _colorMapped = new Color(0.45f, 0.45f, 0.45f, 1f);
[SerializeField] private Color _colorUnknown = Color.black;
[Header("玩家位置")]
[SerializeField] private Image _playerIconImg; // _roomContainer 内的玩家图标
[Header("地图标记")]
[SerializeField] private Image _pinPrefab;
[SerializeField] private PinSpriteEntry[] _pinSprites; // PinType → 对应 Sprite（在 Inspector 中配置）
[Header("Tooltip")]
[SerializeField] private GameObject _tooltipPanel;
[SerializeField] private TMP_Text _tooltipText;
[Header("Event Channels")]
[SerializeField] private StringEventChannelSO _onMapUpdated; // 房间发现/标注时刷新
private Dictionary _cells = new();
private List _pinImages = new();
private List _exitImages= new();
private string _highlightedRoomId;
private string _lastIconRoomId; // LateUpdate 脏标记
private Vector2 _lastIconNormPos; // LateUpdate 脏标记
private int _lastPinVersion = -1;
private IMapService _mapSvc;
private IPlayerPositionProvider _playerProvider;
private IPinService _pinService;
private Dictionary _pinSpriteDict;
private readonly CompositeDisposable _subs = new();
private void Awake()
{
// 预构建 PinType → Sprite 字典，将 GetPinSprite 从 O(N) 降至 O(1)
_pinSpriteDict = new Dictionary();
if (_pinSprites != null)
foreach (var e in _pinSprites)
_pinSpriteDict[e.PinType] = e.Sprite;
}
private void OnEnable()
{
_mapSvc = ServiceLocator.GetOrDefault();
_playerProvider = ServiceLocator.GetOrDefault();
_pinService = ServiceLocator.GetOrDefault();
// 首次打开时建立格子；后续打开只刷新探索状态，跳过重复 Instantiate
if (_cells.Count == 0)
BuildGrid();
else
RefreshAllCells();
RenderPins();
UpdatePlayerIcon();
CenterOnCurrentRoom();
_onMapUpdated?.Subscribe(OnMapUpdated).AddTo(_subs);
}
private void OnDisable()
{
_subs.Clear();
_mapSvc = null;
_playerProvider = null;
_pinService = null;
_lastIconRoomId = null;
_lastIconNormPos = Vector2.zero;
HideTooltip();
}
private void OnDestroy()
{
foreach (var cell in _cells.Values)
if (cell != null) Destroy(cell.gameObject);
_cells.Clear();
ClearPins();
ClearExits();
}
private void LateUpdate()
{
if (_playerProvider == null || _playerIconImg == null) return;
// 脏标记：位置/房间未变化时跳过 RectTransform 读写，消除无效每帧开销
if (_playerProvider.CurrentRoomId == _lastIconRoomId &&
_playerProvider.NormalizedPositionInRoom == _lastIconNormPos) return;
_lastIconRoomId = _playerProvider.CurrentRoomId;
_lastIconNormPos = _playerProvider.NormalizedPositionInRoom;
UpdatePlayerIcon();
}
// 面板重新打开时同步关闭期间积累的探索进度
private void RefreshAllCells()
{
foreach (var (roomId, cell) in _cells)
{
if (cell == null) continue;
cell.SetVisibility(_mapSvc.GetVisibility(roomId));
}
}
// ── 格子 & 出口连接 ──────────────────────────────────────────────────
private void BuildGrid()
{
var db = _mapSvc?.Database;
if (db?.AllRooms == null) return;
foreach (var room in db.AllRooms)
{
if (room == null) continue;
var cell = Instantiate(_cellPrefab, _roomContainer);
cell.Setup(room, _mapSvc.GetVisibility(room.RoomId), ChooseIcon(room),
ShowTooltip, HideTooltip);
cell.SetColors(_colorExplored, _colorMapped, _colorUnknown);
_cells[room.RoomId] = cell;
}
DrawExits();
}
/// 为每条出口在格子坐标处实例化一个小矩形连接线图像。
private void DrawExits()
{
var db = _mapSvc?.Database;
if (_exitConnectorPrefab == null || db?.AllRooms == null) return;
ClearExits();
foreach (var room in db.AllRooms)
{
if (room?.Exits == null) continue;
foreach (var exit in room.Exits)
{
var conn = Instantiate(_exitConnectorPrefab, _roomContainer);
conn.rectTransform.anchoredPosition = new Vector2(
exit.ExitGridPos.x * MapGridConstants.FullMapCellPixels,
exit.ExitGridPos.y * MapGridConstants.FullMapCellPixels);
bool vertical = exit.Direction == ExitDirection.Up || exit.Direction == ExitDirection.Down;
conn.rectTransform.sizeDelta = vertical ? new Vector2(16f, 8f) : new Vector2(8f, 16f);
_exitImages.Add(conn);
}
}
}
private void ClearExits()
{
foreach (var img in _exitImages)
if (img != null) Destroy(img.gameObject);
_exitImages.Clear();
}
private void OnMapUpdated(string roomId)
{
if (_cells.TryGetValue(roomId, out var cell))
cell.SetVisibility(_mapSvc.GetVisibility(roomId));
}
// ── 玩家位置图标 ──────────────────────────────────────────────────────
private void UpdatePlayerIcon()
{
if (_playerIconImg == null || _playerProvider == null) return;
var roomId = _playerProvider.CurrentRoomId;
if (string.IsNullOrEmpty(roomId) || !_cells.TryGetValue(roomId, out var cell))
{
_playerIconImg.enabled = false;
UpdateCellHighlight(null);
return;
}
_playerIconImg.sprite = _iconPlayerPos;
_playerIconImg.enabled = true;
_playerIconImg.rectTransform.anchoredPosition =
cell.RT.anchoredPosition
+ Vector2.Scale(_playerProvider.NormalizedPositionInRoom, cell.RT.sizeDelta);
UpdateCellHighlight(roomId);
}
// ── 当前房间高亮 & ScrollRect 居中 ─────────────────────────────────
/// 切换高亮描边：取消旧房间高亮，激活新房间高亮。
private void UpdateCellHighlight(string roomId)
{
if (roomId == _highlightedRoomId) return;
if (_highlightedRoomId != null && _cells.TryGetValue(_highlightedRoomId, out var prev))
prev.SetHighlight(false);
_highlightedRoomId = roomId;
if (roomId != null && _cells.TryGetValue(roomId, out var next))
next.SetHighlight(true);
}
/// 面板打开时将 ScrollRect 视口居中到玩家当前所在房间。
private void CenterOnCurrentRoom()
{
if (_scrollRect == null || _playerProvider == null) return;
var roomId = _playerProvider.CurrentRoomId;
if (string.IsNullOrEmpty(roomId) || !_cells.TryGetValue(roomId, out var cell)) return;
// 仅重建 ScrollRect.content 的布局，避免全 Canvas 树强制刷新
LayoutRebuilder.ForceRebuildLayoutImmediate(_scrollRect.content);
var content = _scrollRect.content;
var viewport = _scrollRect.viewport != null
? _scrollRect.viewport
: (RectTransform)_scrollRect.transform;
// 将 cell 中心转换到 content 本地坐标系
Vector2 cellWorldCenter = cell.RT.TransformPoint(cell.RT.rect.center);
Vector2 cellLocal = content.InverseTransformPoint(cellWorldCenter);
// 距 content 左下角的距离（pivot 无关）
float cellX = cellLocal.x - content.rect.xMin;
float cellY = cellLocal.y - content.rect.yMin;
Vector2 viewSize = viewport.rect.size;
Vector2 contentSize = content.rect.size;
float rangeX = contentSize.x - viewSize.x;
float rangeY = contentSize.y - viewSize.y;
float normX = rangeX > 0 ? Mathf.Clamp01((cellX - viewSize.x * 0.5f) / rangeX) : 0.5f;
float normY = rangeY > 0 ? Mathf.Clamp01((cellY - viewSize.y * 0.5f) / rangeY) : 0.5f;
_scrollRect.normalizedPosition = new Vector2(normX, normY);
}
// ── 地图标记渲染 ──────────────────────────────────────────────────────
private void RenderPins()
{
if (_pinService == null) return;
// 版本号脏检查：Pin 集合未变化时跳过重绘，避免无效 Instantiate
if (_pinService.PinsVersion == _lastPinVersion && _pinImages.Count > 0) return;
_lastPinVersion = _pinService.PinsVersion;
ClearPins();
if (_pinPrefab == null) return;
foreach (var pin in _pinService.Pins)
{
if (!_cells.TryGetValue(pin.RoomId, out var cell)) continue;
var img = Instantiate(_pinPrefab, _roomContainer);
img.sprite = GetPinSprite((PinType)pin.PinTypeInt);
img.rectTransform.anchoredPosition =
cell.RT.anchoredPosition + new Vector2(
pin.NormalizedPosX * cell.RT.sizeDelta.x,
pin.NormalizedPosY * cell.RT.sizeDelta.y);
_pinImages.Add(img);
}
}
private void ClearPins()
{
foreach (var img in _pinImages)
if (img != null) Destroy(img.gameObject);
_pinImages.Clear();
}
// ── Tooltip ───────────────────────────────────────────────────────────
private void ShowTooltip(string text)
{
if (_tooltipPanel == null || string.IsNullOrEmpty(text)) return;
if (_tooltipText != null) _tooltipText.text = text;
_tooltipPanel.SetActive(true);
}
private void HideTooltip() => _tooltipPanel?.SetActive(false);
// ── 辅助方法 ──────────────────────────────────────────────────────────
private Sprite ChooseIcon(MapRoomDataSO room)
{
if (room.MapIconOverride != null) return room.MapIconOverride;
if (room.IsSavePoint) return _iconSavePoint;
if (room.IsBossRoom) return _iconBossRoom;
if (room.IsShop) return _iconShop;
return null;
}
private Sprite GetPinSprite(PinType type)
=> _pinSpriteDict.TryGetValue(type, out var s) ? s : null;
}
}