using System;
using System.Collections.Generic;
using System.IO;
using System.Text.Json;
using Godot;
using Godot.Collections;
using UI.MapEditorTools;
 
namespace UI.MapEditor;
 
public partial class EditorTileMap : TileMap, IUiNodeScript
{
    
    public enum MouseButtonType
    {
        /// <summary>
        /// 无状态
        /// </summary>
        None,
        /// <summary>
        /// 拖拽模式
        /// </summary>
        Drag,
        /// <summary>
        /// 笔
        /// </summary>
        Pen,
        /// <summary>
        /// 绘制区域模式
        /// </summary>
        Area,
        /// <summary>
        /// 编辑工具模式
        /// </summary>
        Edit,
    }
    
    /// <summary>
    /// 自动图块地板层
    /// </summary>
    public const int AutoFloorLayer = 0;
    /// <summary>
    /// 自定义图块地板层
    /// </summary>
    public const int CustomFloorLayer = 1;
    /// <summary>
    /// 自动图块中间层
    /// </summary>
    public const int AutoMiddleLayer = 2;
    /// <summary>
    /// 自定义图块中间层
    /// </summary>
    public const int CustomMiddleLayer = 3;
    /// <summary>
    /// 自动图块顶层
    /// </summary>
    public const int AutoTopLayer = 4;
    /// <summary>
    /// 自定义图块顶层
    /// </summary>
    public const int CustomTopLayer = 5;
    /// <summary>
    /// 标记数据层
    /// </summary>
    public const int MarkLayer = 10;
    
    /// <summary>
    /// 所属地图编辑器UI
    /// </summary>
    public MapEditorPanel MapEditorPanel { get; set; }
    
    /// <summary>
    /// 编辑器工具UI
    /// </summary>
    public MapEditorToolsPanel MapEditorToolsPanel { get; set; }
    
    /// <summary>
    /// 左键功能
    /// </summary>
    public MouseButtonType MouseType { get; private set; } = MouseButtonType.Pen;
    
    //鼠标坐标
    private Vector2 _mousePosition;
    //鼠标所在的cell坐标
    private Vector2I _mouseCellPosition;
    //上一帧鼠标所在的cell坐标
    private Vector2I _prevMouseCellPosition = new Vector2I(-99999, -99999);
    //单次绘制是否改变过tile数据
    private bool _changeFlag = false;
    //左键开始按下时鼠标所在的坐标
    private Vector2I _mouseStartCellPosition;
    //鼠标中建是否按下
    private bool _isMiddlePressed = false;
    private Vector2 _moveOffset;
    //左键是否按下
    private bool _isLeftPressed = false;
    //右键是否按下
    private bool _isRightPressed = false;
    //绘制填充区域
    private bool _drawFullRect = false;
    //负责存储自动图块数据
    private Grid<bool> _autoCellLayerGrid = new Grid<bool>();
    //用于生成导航网格
    private DungeonTileMap _dungeonTileMap;
    //停止绘制多久后开始执行生成操作
    private float _generateInterval = 3f;
    //生成自动图块和导航网格的计时器
    private float _generateTimer = -1;
    //检测地形结果
    private bool _checkTerrainFlag = true;
    //错误地形位置
    private Vector2I _checkTerrainErrorPosition = Vector2I.Zero;
    //是否执行生成地形成功
    private bool _isGenerateTerrain = true;
    private bool _initLayer = false;
 
    //--------- 配置数据 -------------
    private int _sourceId = 0;
    private int _terrainSet = 0;
    private int _terrain = 0;
    private AutoTileConfig _autoTileConfig = new AutoTileConfig();
 
    /// <summary>
    /// 正在编辑的房间数据
    /// </summary>
    public DungeonRoomSplit CurrRoomSplit;
    
    /// <summary>
    /// 数据是否脏了, 也就是是否有修改
    /// </summary>
    public bool IsDirty { get; private set; }
 
    /// <summary>
    /// 地图是否有绘制错误
    /// </summary>
    public bool HasTerrainError => !_isGenerateTerrain;
 
    //变动过的数据
    
    /// <summary>
    /// 地图位置, 单位: 格
    /// </summary>
    public Vector2I CurrRoomPosition { get; private set; }
    /// <summary>
    /// 当前地图大小, 单位: 格
    /// </summary>
    public Vector2I CurrRoomSize { get; private set; }
    /// <summary>
    /// 当前编辑的门数据
    /// </summary>
    public List<DoorAreaInfo> CurrDoorConfigs { get; } = new List<DoorAreaInfo>();
    //-------------------------------
    private MapEditor.TileMap _editorTileMap;
    private EventFactory _eventFactory;
 
    public void SetUiNode(IUiNode uiNode)
    {
        _editorTileMap = (MapEditor.TileMap)uiNode;
        _editorTileMap.Instance.MapEditorPanel = _editorTileMap.UiPanel;
        _editorTileMap.Instance.MapEditorToolsPanel = _editorTileMap.UiPanel.S_MapEditorTools.Instance;
 
        _editorTileMap.L_Brush.Instance.Draw += DrawGuides;
        _eventFactory = EventManager.CreateEventFactory();
        _eventFactory.AddEventListener(EventEnum.OnSelectDragTool, _editorTileMap.Instance.OnSelectHandTool);
        _eventFactory.AddEventListener(EventEnum.OnSelectPenTool, _editorTileMap.Instance.OnSelectPenTool);
        _eventFactory.AddEventListener(EventEnum.OnSelectRectTool, _editorTileMap.Instance.OnSelectRectTool);
        _eventFactory.AddEventListener(EventEnum.OnSelectEditTool, _editorTileMap.Instance.OnSelectEditTool);
        _eventFactory.AddEventListener(EventEnum.OnClickCenterTool, _editorTileMap.Instance.OnClickCenterTool);
        _eventFactory.AddEventListener(EventEnum.OnEditorDirty, _editorTileMap.Instance.OnEditorDirty);
 
        RenderingServer.FramePostDraw += OnFramePostDraw;
    }
 
    public void OnDestroy()
    {
        _eventFactory.RemoveAllEventListener();
        RenderingServer.FramePostDraw -= OnFramePostDraw;
    }
    
    public override void _Ready()
    {
        InitLayer();
    }
 
    public override void _Process(double delta)
    {
        //触发绘制辅助线
        _editorTileMap.L_Brush.Instance.QueueRedraw();
        
        var newDelta = (float)delta;
        _drawFullRect = false;
        var position = GetLocalMousePosition();
        _mouseCellPosition = LocalToMap(position);
        _mousePosition = new Vector2(
            _mouseCellPosition.X * GameConfig.TileCellSize,
            _mouseCellPosition.Y * GameConfig.TileCellSize
        );
        
        if (!MapEditorToolsPanel.S_HBoxContainer.Instance.IsPositionOver(GetGlobalMousePosition())) //不在Ui节点上
        {
            //左键绘制
            if (_isLeftPressed)
            {
                if (MouseType == MouseButtonType.Pen) //绘制单格
                {
                    if (_prevMouseCellPosition != _mouseCellPosition || !_changeFlag) //鼠标位置变过
                    {
                        _changeFlag = true;
                        _prevMouseCellPosition = _mouseCellPosition;
                        //绘制自动图块
                        SetSingleAutoCell(_mouseCellPosition);
                    }
                }
                else if (MouseType == MouseButtonType.Area) //绘制区域
                {
                    _drawFullRect = true;
                }
                else if (MouseType == MouseButtonType.Drag) //拖拽
                {
                    SetMapPosition(GetGlobalMousePosition() + _moveOffset);
                }
            }
            else if (_isRightPressed) //右键擦除
            {
                if (MouseType == MouseButtonType.Pen) //绘制单格
                {
                    if (_prevMouseCellPosition != _mouseCellPosition || !_changeFlag) //鼠标位置变过
                    {
                        _changeFlag = true;
                        _prevMouseCellPosition = _mouseCellPosition;
                        EraseSingleAutoCell(_mouseCellPosition);
                    }
                }
                else if (MouseType == MouseButtonType.Area) //绘制区域
                {
                    _drawFullRect = true;
                }
                else if (MouseType == MouseButtonType.Drag) //拖拽
                {
                    SetMapPosition(GetGlobalMousePosition() + _moveOffset);
                }
            }
            else if (_isMiddlePressed) //中键移动
            {
                SetMapPosition(GetGlobalMousePosition() + _moveOffset);
            }
        }
 
        //绘制停止指定时间后, 生成导航网格
        if (_generateTimer > 0)
        {
            _generateTimer -= newDelta;
            if (_generateTimer <= 0)
            {
                //检测地形
                RunCheckHandler();
            }
        }
    }
 
    /// <summary>
    /// 绘制辅助线
    /// </summary>
    public void DrawGuides()
    {
        if (_hasPreviewImage)
        {
            return;
        }
        CanvasItem canvasItem = _editorTileMap.L_Brush.Instance;
        //轴线
        canvasItem.DrawLine(new Vector2(0, 2000), new Vector2(0, -2000), Colors.Green);
        canvasItem.DrawLine(new Vector2(2000, 0), new Vector2( -2000, 0), Colors.Red);
        
        //绘制房间区域
        if (CurrRoomSize.X != 0 && CurrRoomSize.Y != 0)
        {
            var size = TileSet.TileSize;
            canvasItem.DrawRect(new Rect2(CurrRoomPosition * size, CurrRoomSize * size),
                Colors.Aqua, false, 5f / Scale.X);
        }
        
        if (_checkTerrainFlag) //已经通过地形检测
        {
            //绘制导航网格
            var result = _dungeonTileMap.GetGenerateNavigationResult();
            if (result != null && result.Success)
            {
                var polygonData = _dungeonTileMap.GetPolygonData();
                Utils.DrawNavigationPolygon(canvasItem, polygonData, 3f / Scale.X);
            }
        }
 
        if (MouseType == MouseButtonType.Pen || MouseType == MouseButtonType.Area)
        {
            if (_drawFullRect) //绘制填充矩形
            {
                var size = TileSet.TileSize;
                var cellPos = _mouseStartCellPosition;
                var temp = size;
                if (_mouseStartCellPosition.X > _mouseCellPosition.X)
                {
                    cellPos.X += 1;
                    temp.X -= size.X;
                }
                if (_mouseStartCellPosition.Y > _mouseCellPosition.Y)
                {
                    cellPos.Y += 1;
                    temp.Y -= size.Y;
                }
 
                var pos = cellPos * size;
                canvasItem.DrawRect(new Rect2(pos, _mousePosition - pos + temp), Colors.White, false, 2f / Scale.X);
            }
            else //绘制单格
            {
                canvasItem.DrawRect(new Rect2(_mousePosition, TileSet.TileSize), Colors.White, false, 2f / Scale.X);
            }
        }
    }
 
    public override void _Input(InputEvent @event)
    {
        if (@event is InputEventMouseButton mouseButton)
        {
            if (mouseButton.ButtonIndex == MouseButton.Left) //左键
            {
                if (mouseButton.Pressed) //按下
                {
                    _moveOffset = Position - GetGlobalMousePosition();
                    _mouseStartCellPosition = LocalToMap(GetLocalMousePosition());
                }
                else
                {
                    _changeFlag = false;
                    if (_drawFullRect) //松开, 提交绘制的矩形区域
                    {
                        SetRectAutoCell(_mouseStartCellPosition, _mouseCellPosition);
                        _drawFullRect = false;
                    }
                }
 
                _isLeftPressed = mouseButton.Pressed;
            }
            else if (mouseButton.ButtonIndex == MouseButton.Right) //右键
            {
                if (mouseButton.Pressed) //按下
                {
                    _moveOffset = Position - GetGlobalMousePosition();
                    _mouseStartCellPosition = LocalToMap(GetLocalMousePosition());
                }
                else
                {
                    _changeFlag = false;
                    if (_drawFullRect) //松开, 提交擦除的矩形区域
                    {
                        EraseRectAutoCell(_mouseStartCellPosition, _mouseCellPosition);
                        _drawFullRect = false;
                    }
                }
                
                _isRightPressed = mouseButton.Pressed;
            }
            else if (mouseButton.ButtonIndex == MouseButton.WheelDown)
            {
                //缩小
                Shrink();
            }
            else if (mouseButton.ButtonIndex == MouseButton.WheelUp)
            {
                //放大
                Magnify();
            }
            else if (mouseButton.ButtonIndex == MouseButton.Middle)
            {
                _isMiddlePressed = mouseButton.Pressed;
                if (_isMiddlePressed)
                {
                    _moveOffset = Position - GetGlobalMousePosition();
                }
            }
        }
    }
 
    /// <summary>
    /// 尝试运行检查, 如果已经运行过了, 则没有效果
    /// </summary>
    public void TryRunCheckHandler()
    {
        if (_generateTimer > 0)
        {
            _generateTimer = -1;
            RunCheckHandler();
        }
    }
    
    //执行检测地形操作
    private void RunCheckHandler()
    {
        _isGenerateTerrain = false;
        //计算区域
        CalcTileRect(false);
        GD.Print("开始检测是否可以生成地形...");
        if (CheckTerrain())
        {
            GD.Print("开始绘制导航网格...");
            if (GenerateNavigation())
            {
                GD.Print("开始绘制自动贴图...");
                GenerateTerrain();
                _isGenerateTerrain = true;
            }
        }
        else
        {
            SetErrorCell(_checkTerrainErrorPosition);
        }
    }
 
    //将指定层数据存入list中
    private void PushLayerDataToList(int layer, int sourceId, List<int> list)
    {
        var layerArray = GetUsedCellsById(layer, sourceId);
        foreach (var pos in layerArray)
        {
            var atlasCoords = GetCellAtlasCoords(layer, pos);
            list.Add(pos.X);
            list.Add(pos.Y);
            list.Add(_sourceId);
            list.Add(atlasCoords.X);
            list.Add(atlasCoords.Y);
        }
    }
 
    private void SetLayerDataFromList(int layer, List<int> list)
    {
        for (var i = 0; i < list.Count; i += 5)
        {
            var pos = new Vector2I(list[i], list[i + 1]);
            var sourceId = list[i + 2];
            var atlasCoords = new Vector2I(list[i + 3], list[i + 4]);
            SetCell(layer, pos, sourceId, atlasCoords);
            if (layer == AutoFloorLayer)
            {
                _autoCellLayerGrid.Set(pos, true);
            }
        }
    }
 
    /// <summary>
    /// 触发保存地图数据
    /// </summary>
    public void TriggerSave(RoomErrorType errorType, Action finish)
    {
        GD.Print("保存地牢房间数据...");
        //执行创建预览图流程
        RunSavePreviewImage(() =>
        {
            //执行保存数据流程
            CurrRoomSplit.ErrorType = errorType;
            SaveRoomInfoConfig();
            SaveTileInfoConfig();
            SavePreinstallConfig();
            IsDirty = false;
            MapEditorPanel.SetTitleDirty(false);
            //派发保存事件
            EventManager.EmitEvent(EventEnum.OnEditorSave);
            if (finish != null)
            {
                finish();
            }
        });
    }
 
    /// <summary>
    /// 加载地牢, 返回是否加载成功
    /// </summary>
    public bool Load(DungeonRoomSplit roomSplit)
    {
        //重新加载数据
        roomSplit.ReloadRoomInfo();
        roomSplit.ReloadTileInfo();
        roomSplit.ReloadPreinstall();
        
        CurrRoomSplit = roomSplit;
        var roomInfo = roomSplit.RoomInfo;
        var tileInfo = roomSplit.TileInfo;
 
        CurrRoomPosition = roomInfo.Position.AsVector2I();
        SetMapSize(roomInfo.Size.AsVector2I(), true);
        CurrDoorConfigs.Clear();
        foreach (var doorAreaInfo in roomInfo.DoorAreaInfos)
        {
            CurrDoorConfigs.Add(doorAreaInfo.Clone());
        }
 
        //初始化层级数据
        InitLayer();
        
        //地块数据
        SetLayerDataFromList(AutoFloorLayer, tileInfo.Floor);
        SetLayerDataFromList(AutoMiddleLayer, tileInfo.Middle);
        SetLayerDataFromList(AutoTopLayer, tileInfo.Top);
        
        //导航网格数据
        _dungeonTileMap.SetPolygonData(tileInfo.NavigationList);
 
        //如果有图块错误, 则找出错误的点位
        if (roomSplit.ErrorType == RoomErrorType.TileError)
        {
            RunCheckHandler();
        }
        //聚焦
        //MapEditorPanel.CallDelay(0.1f, OnClickCenterTool);
        //CallDeferred(nameof(OnClickCenterTool), null);
        
        //加载门编辑区域
        foreach (var doorAreaInfo in CurrDoorConfigs)
        {
            MapEditorToolsPanel.CreateDoorTool(doorAreaInfo);
        }
        
        //聚焦
        OnClickCenterTool(null);
        return true;
    }
 
    private void InitLayer()
    {
        if (_initLayer)
        {
            return;
        }
 
        _initLayer = true;
        //初始化层级数据
        AddLayer(CustomFloorLayer);
        SetLayerZIndex(CustomFloorLayer, CustomFloorLayer);
        AddLayer(AutoMiddleLayer);
        SetLayerZIndex(AutoMiddleLayer, AutoMiddleLayer);
        AddLayer(CustomMiddleLayer);
        SetLayerZIndex(CustomMiddleLayer, CustomMiddleLayer);
        AddLayer(AutoTopLayer);
        SetLayerZIndex(AutoTopLayer, AutoTopLayer);
        AddLayer(CustomTopLayer);
        SetLayerZIndex(CustomTopLayer, CustomTopLayer);
 
        _dungeonTileMap = new DungeonTileMap(this);
        _dungeonTileMap.SetFloorAtlasCoords(new List<Vector2I>(new []{ _autoTileConfig.Floor.AutoTileCoord }));
    }
 
    //缩小
    private void Shrink()
    {
        var pos = GetLocalMousePosition();
        var scale = Scale / 1.1f;
        if (scale.LengthSquared() >= 0.5f)
        {
            Scale = scale;
            SetMapPosition(Position + pos * 0.1f * scale);
        }
    }
    //放大
    private void Magnify()
    {
        var pos = GetLocalMousePosition();
        var prevScale = Scale;
        var scale = prevScale * 1.1f;
        if (scale.LengthSquared() <= 2000)
        {
            Scale = scale;
            SetMapPosition(Position - pos * 0.1f * prevScale);
        }
    }
 
    //绘制单个自动贴图
    private void SetSingleAutoCell(Vector2I position)
    {
        SetCell(GetFloorLayer(), position, _sourceId, _autoTileConfig.Floor.AutoTileCoord);
        if (!_autoCellLayerGrid.Contains(position.X, position.Y))
        {
            ResetGenerateTimer();
            _autoCellLayerGrid.Set(position.X, position.Y, true);
        }
    }
    
    //绘制区域自动贴图
    private void SetRectAutoCell(Vector2I start, Vector2I end)
    {
        ResetGenerateTimer();
        
        if (start.X > end.X)
        {
            var temp = end.X;
            end.X = start.X;
            start.X = temp;
        }
        if (start.Y > end.Y)
        {
            var temp = end.Y;
            end.Y = start.Y;
            start.Y = temp;
        }
 
        var width = end.X - start.X + 1;
        var height = end.Y - start.Y + 1;
        for (var i = 0; i < width; i++)
        {
            for (var j = 0; j < height; j++)
            {
                SetCell(GetFloorLayer(), new Vector2I(start.X + i, start.Y + j), _sourceId, _autoTileConfig.Floor.AutoTileCoord);
            }
        }
 
        _autoCellLayerGrid.SetRect(start, new Vector2I(width, height), true);
    }
 
    //擦除单个自动图块
    private void EraseSingleAutoCell(Vector2I position)
    {
        EraseCell(GetFloorLayer(), position);
        if (_autoCellLayerGrid.Remove(position.X, position.Y))
        {
            ResetGenerateTimer();
        }
    }
    
    //擦除一个区域内的自动贴图
    private void EraseRectAutoCell(Vector2I start, Vector2I end)
    {
        ResetGenerateTimer();
        
        if (start.X > end.X)
        {
            var temp = end.X;
            end.X = start.X;
            start.X = temp;
        }
        if (start.Y > end.Y)
        {
            var temp = end.Y;
            end.Y = start.Y;
            start.Y = temp;
        }
 
        var width = end.X - start.X + 1;
        var height = end.Y - start.Y + 1;
        for (var i = 0; i < width; i++)
        {
            for (var j = 0; j < height; j++)
            {
                EraseCell(GetFloorLayer(), new Vector2I(start.X + i, start.Y + j));
            }
        }
        _autoCellLayerGrid.RemoveRect(start, new Vector2I(width, height));
    }
 
    //重置计时器
    private void ResetGenerateTimer()
    {
        _generateTimer = _generateInterval;
        _isGenerateTerrain = false;
        _dungeonTileMap.ClearPolygonData();
        ClearLayer(AutoTopLayer);
        ClearLayer(AutoMiddleLayer);
        //标记有修改数据
        EventManager.EmitEvent(EventEnum.OnEditorDirty);
    }
 
    //重新计算房间区域
    private void CalcTileRect(bool refreshDoorTrans)
    {
        var rect = GetUsedRect();
        CurrRoomPosition = rect.Position;
        SetMapSize(rect.Size, refreshDoorTrans);
    }
    
    //检测是否有不合规的图块, 返回true表示图块正常
    private bool CheckTerrain()
    {
        var x = CurrRoomPosition.X;
        var y = CurrRoomPosition.Y;
        var w = CurrRoomSize.X;
        var h = CurrRoomSize.Y;
 
        for (var i = 0; i < w; i++)
        {
            for (var j = 0; j < h; j++)
            {
                var pos = new Vector2I(x + i, y + j);
                if (GetCellSourceId(AutoFloorLayer, pos) == -1)
                {
                    //先检测对边是否有地板
                    if ((_autoCellLayerGrid.Get(pos.X - 1, pos.Y) && _autoCellLayerGrid.Get(pos.X + 1, pos.Y)) //left & right
                        || (_autoCellLayerGrid.Get(pos.X, pos.Y + 1) && _autoCellLayerGrid.Get(pos.X, pos.Y - 1))) //top & down
                    {
                        _checkTerrainFlag = false;
                        _checkTerrainErrorPosition = pos;
                        return false;
                    }
                    
                    //再检测对角是否有地板
                    var topLeft = _autoCellLayerGrid.Get(pos.X - 1, pos.Y + 1); //top-left
                    var downRight = _autoCellLayerGrid.Get(pos.X + 1, pos.Y - 1); //down-right
                    var downLeft = _autoCellLayerGrid.Get(pos.X - 1, pos.Y - 1); //down-left
                    var topRight = _autoCellLayerGrid.Get(pos.X + 1, pos.Y + 1); //top-right
                    if ((topLeft && downRight && !downLeft && !topRight) || (!topLeft && !downRight && downLeft && topRight))
                    {
                        _checkTerrainFlag = false;
                        _checkTerrainErrorPosition = pos;
                        return false;
                    }
                }
            }
        }
 
        _checkTerrainFlag = true;
        return true;
    }
    
    //生成自动图块 (地形)
    private void GenerateTerrain()
    {
        ClearLayer(AutoFloorLayer);
        
        var list = new List<Vector2I>();
        _autoCellLayerGrid.ForEach((x, y, data) =>
        {
            if (data)
            {
                list.Add(new Vector2I(x, y));
            }
        });
        var arr = new Array<Vector2I>(list);
        //绘制自动图块
        SetCellsTerrainConnect(AutoFloorLayer, arr, _terrainSet, _terrain, false);
        //计算区域
        CalcTileRect(true);
        //将墙壁移动到指定层
        MoveTerrainCell();
    }
 
    //将自动生成的图块从 AutoFloorLayer 移动到指定图层中
    private void MoveTerrainCell()
    {
        ClearLayer(AutoTopLayer);
        ClearLayer(AutoMiddleLayer);
        
        var x = CurrRoomPosition.X;
        var y = CurrRoomPosition.Y;
        var w = CurrRoomSize.X;
        var h = CurrRoomSize.Y;
 
        for (var i = 0; i < w; i++)
        {
            for (var j = 0; j < h; j++)
            {
                var pos = new Vector2I(x + i, y + j);
                if (!_autoCellLayerGrid.Contains(pos) && GetCellSourceId(AutoFloorLayer, pos) != -1)
                {
                    var atlasCoords = GetCellAtlasCoords(AutoFloorLayer, pos);
                    var layer = _autoTileConfig.GetLayer(atlasCoords);
                    if (layer == GameConfig.MiddleMapLayer)
                    {
                        layer = AutoMiddleLayer;
                    }
                    else if (layer == GameConfig.TopMapLayer)
                    {
                        layer = AutoTopLayer;
                    }
                    else
                    {
                        GD.PrintErr($"异常图块: {pos}, 这个图块的图集坐标'{atlasCoords}'不属于'MiddleMapLayer'和'TopMapLayer'!");
                        continue;
                    }
                    EraseCell(AutoFloorLayer, pos);
                    SetCell(layer, pos, _sourceId, atlasCoords);
                }
            }
        }
    }
 
    //生成导航网格
    private bool GenerateNavigation()
    {
        _dungeonTileMap.GenerateNavigationPolygon(AutoFloorLayer);
        var result = _dungeonTileMap.GetGenerateNavigationResult();
        if (result.Success)
        {
            CloseErrorCell();
        }
        else
        {
            SetErrorCell(result.Exception.Point);
        }
 
        return result.Success;
    }
 
    //设置显示的错误cell, 会标记上红色的闪烁动画
    private void SetErrorCell(Vector2I pos)
    {
        MapEditorPanel.S_ErrorCell.Instance.Position = pos * CellQuadrantSize;
        MapEditorPanel.S_ErrorCellAnimationPlayer.Instance.Play(AnimatorNames.Show);
    }
 
    //关闭显示的错误cell
    private void CloseErrorCell()
    {
        MapEditorPanel.S_ErrorCellAnimationPlayer.Instance.Stop();
    }
 
    private int GetFloorLayer()
    {
        return AutoFloorLayer;
    }
 
    private int GetMiddleLayer()
    {
        return AutoMiddleLayer;
    }
 
    private int GetTopLayer()
    {
        return AutoTopLayer;
    }
 
    /// <summary>
    /// 选中拖拽功能
    /// </summary>
    private void OnSelectHandTool(object arg)
    {
        MouseType = MouseButtonType.Drag;
    }
    
    /// <summary>
    /// 选中画笔攻击
    /// </summary>
    private void OnSelectPenTool(object arg)
    {
        MouseType = MouseButtonType.Pen;
    }
 
    /// <summary>
    /// 选中绘制区域功能
    /// </summary>
    private void OnSelectRectTool(object arg)
    {
        MouseType = MouseButtonType.Area;
    }
 
    /// <summary>
    /// 选择编辑门区域
    /// </summary>
    private void OnSelectEditTool(object arg)
    {
        MouseType = MouseButtonType.Edit;
    }
 
    /// <summary>
    /// 聚焦
    /// </summary>
    private void OnClickCenterTool(object arg)
    {
        var pos = MapEditorPanel.S_SubViewport.Instance.Size / 2;
        if (CurrRoomSize.X == 0 && CurrRoomSize.Y == 0) //聚焦原点
        {
            SetMapPosition(pos);
        }
        else //聚焦地图中心点
        {
            SetMapPosition(pos - (CurrRoomPosition + CurrRoomSize / 2) * TileSet.TileSize * Scale);
        }
    }
    
    //房间数据有修改
    private void OnEditorDirty(object obj)
    {
        IsDirty = true;
        MapEditorPanel.SetTitleDirty(true);
    }
 
    /// <summary>
    /// 创建地牢房间门区域
    /// </summary>
    /// <param name="direction">门方向</param>
    /// <param name="start">起始坐标, 单位: 像素</param>
    /// <param name="end">结束坐标, 单位: 像素</param>
    public DoorAreaInfo CreateDoorArea(DoorDirection direction, int start, int end)
    {
        var doorAreaInfo = new DoorAreaInfo();
        doorAreaInfo.Direction = direction;
        doorAreaInfo.Start = start;
        doorAreaInfo.End = end;
        //doorAreaInfo.CalcPosition(_roomPosition, _roomSize);
        CurrDoorConfigs.Add(doorAreaInfo);
        return doorAreaInfo;
    }
 
    /// <summary>
    /// 检测门区域数据是否可以提交
    /// </summary>
    /// <param name="direction">门方向</param>
    /// <param name="start">起始坐标, 单位: 像素</param>
    /// <param name="end">结束坐标, 单位: 像素</param>
    /// <returns></returns>
    public bool CheckDoorArea(DoorDirection direction, int start, int end)
    {
        foreach (var item in CurrDoorConfigs)
        {
            if (item.Direction == direction)
            {
                if (CheckValueCollision(item.Start, item.End, start, end))
                {
                    return false;
                }
            }
        }
 
        return true;
    }
    
    /// <summary>
    /// 检测门区域数据是否可以提交
    /// </summary>
    /// <param name="target">需要检测的门</param>
    /// <param name="start">起始坐标, 单位: 像素</param>
    /// <param name="end">结束坐标, 单位: 像素</param>
    public bool CheckDoorArea(DoorAreaInfo target, int start, int end)
    {
        foreach (var item in CurrDoorConfigs)
        {
            if (item.Direction == target.Direction && item != target)
            {
                if (CheckValueCollision(item.Start, item.End, start, end))
                {
                    return false;
                }
            }
        }
 
        return true;
    }
    
    private bool CheckValueCollision(float o1, float o2, float h1, float h2)
    {
        var size = GameConfig.TileCellSize;
        return !(h2 < o1 - 3 * size || o2 + 3 * size < h1);
    }
 
    /// <summary>
    /// 移除门区域数据
    /// </summary>
    public void RemoveDoorArea(DoorAreaInfo doorAreaInfo)
    {
        CurrDoorConfigs.Remove(doorAreaInfo);
    }
    
    //保存房间配置
    private void SaveRoomInfoConfig()
    {
        //存入本地
        var roomInfo = CurrRoomSplit.RoomInfo;
        
        if (!HasTerrainError) //没有绘制错误
        {
            roomInfo.Size = new SerializeVector2(CurrRoomSize);
            roomInfo.Position = new SerializeVector2(CurrRoomPosition);
        }
        else
        {
            roomInfo.Position = new SerializeVector2(CurrRoomPosition - Vector2I.One);
            roomInfo.Size = new SerializeVector2(CurrRoomSize + new Vector2I(2, 2));
        }
 
        roomInfo.DoorAreaInfos.Clear();
        roomInfo.DoorAreaInfos.AddRange(CurrDoorConfigs);
        roomInfo.ClearCompletionDoorArea();
        MapProjectManager.SaveRoomInfo(CurrRoomSplit);
    }
 
    //保存地块数据
    public void SaveTileInfoConfig()
    {
        //存入本地
        var tileInfo = CurrRoomSplit.TileInfo;
        tileInfo.NavigationList.Clear();
        tileInfo.NavigationList.AddRange(_dungeonTileMap.GetPolygonData());
        tileInfo.Floor.Clear();
        tileInfo.Middle.Clear();
        tileInfo.Top.Clear();
 
        PushLayerDataToList(AutoFloorLayer, _sourceId, tileInfo.Floor);
        PushLayerDataToList(AutoMiddleLayer, _sourceId, tileInfo.Middle);
        PushLayerDataToList(AutoTopLayer, _sourceId, tileInfo.Top);
        MapProjectManager.SaveRoomTileInfo(CurrRoomSplit);
    }
 
    //保存预设数据
    public void SavePreinstallConfig()
    {
        //存入本地
        MapProjectManager.SaveRoomPreinstall(CurrRoomSplit);
    }
 
    //设置地图坐标
    private void SetMapPosition(Vector2 pos)
    {
        Position = pos;
        MapEditorToolsPanel.SetToolTransform(pos, Scale);
    }
 
    //设置地图大小
    private void SetMapSize(Vector2I size, bool refreshDoorTrans)
    {
        if (CurrRoomSize != size)
        {
            CurrRoomSize = size;
 
            if (refreshDoorTrans)
            {
                MapEditorToolsPanel.SetDoorHoverToolTransform(CurrRoomPosition, CurrRoomSize);
            }
        }
    }
 
    private bool _hasPreviewImage = false;
    private Action _previewFinish;
    private int _previewIndex = 0;
    private Vector2I _tempViewportSize;
    private Vector2 _tempMapPos;
    private Vector2 _tempMapScale;
    private bool _tempAutoFloorLayer;
    private bool _tempCustomFloorLayer;
    private bool _tempAutoMiddleLayer;
    private bool _tempCustomMiddleLayer;
    private bool _tempAutoTopLayer;
    private bool _tempCustomTopLayer;
 
    private void RunSavePreviewImage(Action action)
    {
        if (_hasPreviewImage)
        {
            return;
        }
 
        _previewIndex = 0;
        _previewFinish = action;
        _hasPreviewImage = true;
        //先截图, 将图像数据放置到 S_MapView2 节点上
        var subViewport = MapEditorPanel.S_SubViewport.Instance;
        var viewportTexture = subViewport.GetTexture();
        var tex = ImageTexture.CreateFromImage(viewportTexture.GetImage());
        var textureRect = MapEditorPanel.S_MapView2.Instance;
        textureRect.Texture = tex;
        textureRect.Visible = true;
        //调整绘制视图大小
        _tempViewportSize = subViewport.Size;
        subViewport.Size = new Vector2I(GameConfig.PreviewImageSize, GameConfig.PreviewImageSize);
        //调整tileMap
        _tempMapPos = Position;
        _tempMapScale = Scale;
        
        //中心点
        var pos = new Vector2(GameConfig.PreviewImageSize / 2f, GameConfig.PreviewImageSize / 2f);
        if (CurrRoomSize.X == 0 && CurrRoomSize.Y == 0) //聚焦原点
        {
            Position = pos;
        }
        else //聚焦地图中心点
        {
            var tempPos = new Vector2(CurrRoomSize.X + 2, CurrRoomSize.Y + 2);
            var mapSize = tempPos * TileSet.TileSize;
            var axis = Mathf.Max(mapSize.X, mapSize.Y);
            var targetScale = GameConfig.PreviewImageSize / axis;
            Scale = new Vector2(targetScale, targetScale);
            Position = pos - (CurrRoomPosition + tempPos / 2f - Vector2.One) * TileSet.TileSize * targetScale;
        }
        
        //隐藏工具栏
        MapEditorToolsPanel.Visible = false;
        //显示所有层级
        _tempAutoFloorLayer = IsLayerEnabled(AutoFloorLayer);
        _tempCustomFloorLayer = IsLayerEnabled(CustomFloorLayer);
        _tempAutoMiddleLayer = IsLayerEnabled(AutoMiddleLayer);
        _tempCustomMiddleLayer = IsLayerEnabled(CustomMiddleLayer);
        _tempAutoTopLayer = IsLayerEnabled(AutoTopLayer);
        _tempCustomTopLayer = IsLayerEnabled(CustomTopLayer);
 
        SetLayerEnabled(AutoFloorLayer, true);
        SetLayerEnabled(CustomFloorLayer, true);
        SetLayerEnabled(AutoMiddleLayer, true);
        SetLayerEnabled(CustomMiddleLayer, true);
        SetLayerEnabled(AutoTopLayer, true);
        SetLayerEnabled(CustomTopLayer, true);
    }
 
    private void OnFramePostDraw()
    {
        if (_hasPreviewImage)
        {
            _previewIndex++;
            if (_previewIndex == 2)
            {
                var textureRect = MapEditorPanel.S_MapView2.Instance;
                var texture = textureRect.Texture;
                textureRect.Texture = null;
                texture.Dispose();
                textureRect.Visible = false;
                
                //还原工具栏
                MapEditorToolsPanel.Visible = true;
                //还原层级显示
                SetLayerEnabled(AutoFloorLayer, _tempAutoFloorLayer);
                SetLayerEnabled(CustomFloorLayer, _tempCustomFloorLayer);
                SetLayerEnabled(AutoMiddleLayer, _tempAutoMiddleLayer);
                SetLayerEnabled(CustomMiddleLayer, _tempCustomMiddleLayer);
                SetLayerEnabled(AutoTopLayer, _tempAutoTopLayer);
                SetLayerEnabled(CustomTopLayer, _tempCustomTopLayer);
 
                //保存预览图
                var subViewport = MapEditorPanel.S_SubViewport.Instance;
                var viewportTexture = subViewport.GetTexture();
                var image = viewportTexture.GetImage();
                image.Resize(GameConfig.PreviewImageSize, GameConfig.PreviewImageSize, Image.Interpolation.Nearest);
                CurrRoomSplit.PreviewImage = ImageTexture.CreateFromImage(image);
                MapProjectManager.SaveRoomPreviewImage(CurrRoomSplit, image);
                
                //还原tileMap
                Position = _tempMapPos;
                Scale = _tempMapScale;
                
                //还原绘制视图
                subViewport.Size = _tempViewportSize;
                
                _previewFinish();
                _hasPreviewImage = false;
            }
        }
    }
}