using System;
using System.Collections.Generic;
using System.Linq;
using Godot;
/// <summary>
/// 房间管理器
/// </summary>
public class RoomManager : Navigation2D
{
/// <summary>
/// 玩家对象
/// </summary>
public Role Player { get; private set; }
//对象根节点
private Node2D _objectRoot;
//对象根节点, 带y轴排序功能
private YSort _sortRoot;
private Node2D _mapRoot;
private NavigationPolygonInstance _navigationPolygon;
//可行走区域的tileId
private List<int> _wayIds = new List<int>(new[] { 129 });
//已经标记过的点
private HashSet<Vector2> _usePoints = new HashSet<Vector2>();
//导航区域数据
private List<NavigationPolygonData> _polygonDataList = new List<NavigationPolygonData>();
public override void _EnterTree()
{
Input.MouseMode = Input.MouseModeEnum.Hidden;
_sortRoot = GetNode<YSort>("SortRoot");
_objectRoot = GetNode<Node2D>("ObjectRoot");
//_navigationPolygon = GetNode<NavigationPolygonInstance>("NavigationPolygonInstance");
_navigationPolygon = new NavigationPolygonInstance();
AddChild(_navigationPolygon);
//初始化地图
_mapRoot = GetNode<Node2D>("MapRoot");
var node = _mapRoot.GetChild(0).GetNode("Config");
Color color = (Color)node.GetMeta("ClearColor");
VisualServer.SetDefaultClearColor(color);
//创建玩家
Player = new Player();
Player.Position = new Vector2(100, 100);
Player.Name = "Player";
Player.PutDown();
}
public override void _Ready()
{
var nowTicks = DateTime.Now.Ticks;
GenerateNavigationPolygon();
GD.Print("计算NavigationPolygon用时: " + (DateTime.Now.Ticks - nowTicks) / 10000 + "毫秒");
var polygon = new NavigationPolygon();
foreach (var polygonData in _polygonDataList)
{
polygon.AddOutline(polygonData.Points.ToArray());
}
polygon.MakePolygonsFromOutlines();
_navigationPolygon.Navpoly = polygon;
//播放bgm
SoundManager.PlayMusic(ResourcePath.resource_sound_bgm_Intro_ogg, -17f);
var enemy1 = new Enemy();
enemy1.Name = "Enemy";
enemy1.PutDown(new Vector2(150, 300));
enemy1.PickUpWeapon(WeaponManager.GetGun("1003"));
enemy1.PickUpWeapon(WeaponManager.GetGun("1001"));
var enemy2 = new Enemy();
enemy2.Name = "Enemy2";
enemy2.PutDown(new Vector2(540, 100));
enemy2.PickUpWeapon(WeaponManager.GetGun("1002"));
enemy2.PickUpWeapon(WeaponManager.GetGun("1004"));
enemy2.PickUpWeapon(WeaponManager.GetGun("1003"));
WeaponManager.GetGun("1001").PutDown(new Vector2(80, 100));
WeaponManager.GetGun("1001").PutDown(new Vector2(80, 80));
WeaponManager.GetGun("1002").PutDown(new Vector2(80, 120));
WeaponManager.GetGun("1003").PutDown(new Vector2(120, 80));
WeaponManager.GetGun("1003").PutDown(new Vector2(180, 80));
WeaponManager.GetGun("1003").PutDown(new Vector2(180, 180));
WeaponManager.GetGun("1002").PutDown(new Vector2(180, 120));
WeaponManager.GetGun("1004").PutDown(new Vector2(220, 120));
}
public override void _Process(float delta)
{
if (GameApplication.Instance.Debug)
{
Update();
}
}
public override void _Draw()
{
if (GameApplication.Instance.Debug)
{
for (var i = 0; i < _polygonDataList.Count; i++)
{
var item = _polygonDataList[i];
if (item.Points.Count >= 2)
{
DrawPolyline(item.Points.Concat(new []{ item.Points[0] }).ToArray(), Colors.Red);
}
}
}
}
/// <summary>
/// 获取房间根节点
/// </summary>
/// <param name="useYSort">是否获取 YSort 节点</param>
/// <returns></returns>
public Node2D GetRoot(bool useYSort = false)
{
return useYSort ? _sortRoot : _objectRoot;
}
/// <summary>
/// 自动生成导航区域
/// </summary>
private void GenerateNavigationPolygon()
{
var tileMap = _mapRoot.GetChild(0).GetNode<TileMap>("Wall");
var size = tileMap.CellSize;
var rect = tileMap.GetUsedRect();
var x = (int)rect.Position.x;
var y = (int)rect.Position.y;
var w = (int)rect.Size.x;
var h = (int)rect.Size.y;
for (int j = y; j < h; j++)
{
for (int i = x; i < w; i++)
{
var tileId = tileMap.GetCell(i, j);
if (IsWayCell(tileId))
{
if (!_usePoints.Contains(new Vector2(i, j)))
{
NavigationPolygonData polygonData = null;
if (!IsWayCell(tileMap.GetCell(i, j - 1)))
{
polygonData = CalcOutline(i, j, tileMap, size);
}
else if (!IsWayCell(tileMap.GetCell(i, j + 1)))
{
polygonData = CalcInline(i, j, tileMap, size);
}
if (polygonData != null)
{
_polygonDataList.Add(polygonData);
}
}
}
}
}
}
private NavigationPolygonData CalcOutline(int i, int j, TileMap tileMap, Vector2 size)
{
var polygonData = new NavigationPolygonData();
polygonData.Type = NavigationPolygonType.Out;
var points = polygonData.Points;
// 0:右, 1:下, 2:左, 3:上
var dir = 0;
var offset = new Vector2(size.x * 0.5f, size.y * 0.5f);
//找到路, 向右开始找边界
var startPos = new Vector2(i, j);
var tempI = i;
var tempJ = j;
while (true)
{
switch (dir)
{
case 0: //右
{
if (IsWayCell(tileMap.GetCell(tempI, tempJ - 1))) //先向上找
{
dir = 3;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempJ--;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI + 1, tempJ))) //再向右找
{
if (points.Count == 0)
{
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
}
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
PutUsePoint(new Vector2(tempI, tempJ));
tempI++;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI, tempJ + 1))) //向下找
{
dir = 1;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempJ++;
break;
}
return null;
}
case 1: //下
{
if (IsWayCell(tileMap.GetCell(tempI + 1, tempJ))) //先向右找
{
dir = 0;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempI++;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI, tempJ + 1))) //再向下找
{
if (points.Count == 0)
{
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
}
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
PutUsePoint(new Vector2(tempI, tempJ));
tempJ++;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI - 1, tempJ))) //向左找
{
dir = 2;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempI--;
break;
}
return null;
}
case 2: //左
{
if (IsWayCell(tileMap.GetCell(tempI, tempJ + 1))) //先向下找
{
dir = 1;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempJ++;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI - 1, tempJ))) //再向左找
{
if (points.Count == 0)
{
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
}
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
PutUsePoint(new Vector2(tempI, tempJ));
tempI--;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI, tempJ - 1))) //向上找
{
dir = 3;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempJ--;
break;
}
return null;
}
case 3: //上
{
if (IsWayCell(tileMap.GetCell(tempI - 1, tempJ))) //先向左找
{
dir = 2;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempI--;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI, tempJ - 1))) //再向上找
{
if (points.Count == 0)
{
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
}
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
PutUsePoint(new Vector2(tempI, tempJ));
tempJ--;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI + 1, tempJ))) //向右找
{
dir = 0;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempI++;
break;
}
return null;
}
}
}
}
private NavigationPolygonData CalcInline(int i, int j, TileMap tileMap, Vector2 size)
{
var polygonData = new NavigationPolygonData();
polygonData.Type = NavigationPolygonType.In;
var points = polygonData.Points;
// 0:右, 1:下, 2:左, 3:上
var dir = 0;
var offset = new Vector2(size.x * 0.5f, size.y * 0.5f);
//找到路, 向右开始找边界
var startPos = new Vector2(i - 1, j);
var tempI = i;
var tempJ = j;
while (true)
{
switch (dir)
{
case 0: //右
{
if (IsWayCell(tileMap.GetCell(tempI, tempJ + 1))) //向下找
{
dir = 1;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempJ++;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI + 1, tempJ))) //再向右找
{
if (points.Count == 0)
{
points.Add(new Vector2((tempI - 1) * size.x, tempJ * size.y) + offset);
}
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
PutUsePoint(new Vector2(tempI, tempJ));
tempI++;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI, tempJ - 1))) //先向上找
{
dir = 3;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempJ--;
break;
}
return null;
}
case 1: //下
{
if (IsWayCell(tileMap.GetCell(tempI - 1, tempJ))) //向左找
{
dir = 2;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempI--;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI, tempJ + 1))) //再向下找
{
if (points.Count == 0)
{
points.Add(new Vector2((tempI - 1) * size.x, tempJ * size.y) + offset);
}
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
PutUsePoint(new Vector2(tempI, tempJ));
tempJ++;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI + 1, tempJ))) //先向右找
{
dir = 0;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempI++;
break;
}
return null;
}
case 2: //左
{
if (IsWayCell(tileMap.GetCell(tempI, tempJ - 1))) //向上找
{
dir = 3;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempJ--;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI - 1, tempJ))) //再向左找
{
if (points.Count == 0)
{
points.Add(new Vector2((tempI - 1) * size.x, tempJ * size.y) + offset);
}
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
PutUsePoint(new Vector2(tempI, tempJ));
tempI--;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI, tempJ + 1))) //先向下找
{
dir = 1;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempJ++;
break;
}
return null;
}
case 3: //上
{
if (IsWayCell(tileMap.GetCell(tempI + 1, tempJ))) //向右找
{
dir = 0;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempI++;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI, tempJ - 1))) //再向上找
{
if (points.Count == 0)
{
points.Add(new Vector2((tempI - 1) * size.x, tempJ * size.y) + offset);
}
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
PutUsePoint(new Vector2(tempI, tempJ));
tempJ--;
break;
}
else if (IsWayCell(tileMap.GetCell(tempI - 1, tempJ))) //先向左找
{
dir = 2;
var pos = new Vector2(tempI, tempJ);
if (points.Count > 1 && pos == startPos)
{
return polygonData;
}
points.Add(new Vector2(tempI * size.x, tempJ * size.y) + offset);
PutUsePoint(pos);
tempI--;
break;
}
return null;
}
}
}
}
private void PutUsePoint(Vector2 pos)
{
if (_usePoints.Contains(pos))
{
throw new Exception("生成导航多边形发生错误! 点: " + pos + "发生交错!");
}
_usePoints.Add(pos);
}
private bool IsWayCell(int cellId)
{
return cellId != -1 && _wayIds.Contains(cellId);
}
}
