377 lines
11 KiB
C#
377 lines
11 KiB
C#
// Felix-Bang：Map
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// へ ／|
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// /＼7 ∠＿/
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// / │ ／ ／
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// │ Z ＿,＜ ／ /`ヽ
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// │ ヽ / 〉
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// Y ` / /
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// ｲ● ､ ● ⊂⊃〈 /
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// () へ | ＼〈
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// >ｰ ､_ ィ │ ／／
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// / へ / ﾉ＜| ＼＼
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// ヽ_ﾉ (_／ │／／
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// 7 |／
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// ＞―r￣￣`ｰ―＿
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// Describe：地图 描述一个关卡地图状态
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// Createtime：2018/9/10
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace FBApplication
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{
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//鼠标点击参数类
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public class FBGridClickEventArgs : EventArgs
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{
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public int MouseButton; //0左键，1右键
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public FBGrid Grid;
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public FBGridClickEventArgs(int mouseButton, FBGrid grid)
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{
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this.MouseButton = mouseButton;
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this.Grid = grid;
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}
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}
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public class FBMap : MonoBehaviour
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{
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#region 常量
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public const int RowCount = 8; //行数
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public const int ColumnCount = 12; //列数
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#endregion
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#region 事件
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public EventHandler<FBGridClickEventArgs> OnFBGridClick;
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#endregion
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#region 字段
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float f_mapWidth;
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float f_mapHeight;
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float f_tileWidth;
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float f_tileHeight;
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List<FBGrid> f_grid = new List<FBGrid>(); //背景网格
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List<FBGrid> f_road = new List<FBGrid>(); //道路网个
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private FBLevel f_level;
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public bool IsDrawGizoms = true; //是否绘制网格
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#endregion
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#region 属性
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public FBLevel Level
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{
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get { return f_level; }
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}
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public string BackgroundImage
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{
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set
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{
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SpriteRenderer render = transform.Find("Background").GetComponent<SpriteRenderer>();
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StartCoroutine(FBTools.LoadImage(value, render));
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}
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}
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public string RoadImage
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{
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set
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{
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SpriteRenderer render = transform.Find("Road").GetComponent<SpriteRenderer>();
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StartCoroutine(FBTools.LoadImage(value, render));
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}
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}
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public List<FBGrid> Grids
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{
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get { return f_grid; }
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}
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public List<FBGrid> Road
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{
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get { return f_road; }
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}
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//怪物的寻路路径
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public Vector3[] Path
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{
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get
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{
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List<Vector3> f_path = new List<Vector3>();
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for (int i = 0; i < f_road.Count; i++)
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{
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FBGrid t = f_road[i];
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Vector3 point = GetPosition(t);
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f_path.Add(point);
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}
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return f_path.ToArray();
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}
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}
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public Rect MapRect
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{
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get { return new Rect(-f_mapWidth / 2,-f_mapHeight / 2, f_mapWidth, f_mapHeight); }
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}
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#endregion
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#region 方法
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public void LoadLevel(FBLevel level)
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{
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//清除当前状态
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Clear();
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//保存
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f_level = level;
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//加载图片
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BackgroundImage = "file://" + FBConsts.MpsDir + "/" + level.Background;
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RoadImage = "file://" + FBConsts.MpsDir + "/" + level.Road;
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//寻路点
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for (int i = 0; i < level.Path.Count; i++)
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{
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FBCoords c = level.Path[i];
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FBGrid t = GetGrid(c.X, c.Y);
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f_road.Add(t);
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}
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//炮塔点
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for (int i = 0; i < level.Holders.Count; i++)
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{
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FBCoords c = level.Holders[i];
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FBGrid t = GetGrid(c.X, c.Y);
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t.CanHold = true;
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}
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}
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//清除塔位信息
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public void ClearHolder()
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{
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foreach (FBGrid g in f_grid)
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{
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if (g.CanHold)
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g.CanHold = false;
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}
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}
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//清除寻路格子集合
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public void ClearRoad()
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{
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f_road.Clear();
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}
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//清除所有信息
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public void Clear()
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{
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f_level = null;
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ClearHolder();
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ClearRoad();
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}
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#endregion
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#region Unity回调
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//只在运行期起作用
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void Awake()
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{
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//计算地图和格子大小
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CalculateSize();
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//创建所有的格子
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for (int i = 0; i < RowCount; i++)
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for (int j = 0; j < ColumnCount; j++)
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f_grid.Add(new FBGrid(j, i));
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//监听鼠标点击事件
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OnFBGridClick += MapOnGridClick;
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}
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void Update()
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{
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if (Input.GetMouseButtonDown(0))
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{
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FBGrid g = GetTileUnderMouse();
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if (g != null)
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{
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//触发鼠标左键点击事件
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FBGridClickEventArgs e = new FBGridClickEventArgs(0,g);
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if (OnFBGridClick != null)
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OnFBGridClick(this, e);
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}
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}
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if (Input.GetMouseButtonDown(1))
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{
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FBGrid g = GetTileUnderMouse();
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if (g != null)
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{
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//触发鼠标右键点击事件
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FBGridClickEventArgs e = new FBGridClickEventArgs(1, g);
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if (OnFBGridClick != null)
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OnFBGridClick(this, e);
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}
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}
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}
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//只在编辑器里起作用 类似Update不停的执行
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void OnDrawGizmos()
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{
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if (!IsDrawGizoms)
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return;
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//计算地图和格子大小
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CalculateSize();
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//绘制格子
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Gizmos.color = Color.green;
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//绘制行
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for (int row = 0; row <= RowCount; row++)
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{
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Vector2 from = new Vector2(-f_mapWidth / 2, -f_mapHeight / 2 + row * f_tileHeight);
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Vector2 to = new Vector2(-f_mapWidth / 2 + f_mapWidth, -f_mapHeight / 2 + row * f_tileHeight);
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Gizmos.DrawLine(from, to);
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}
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//绘制列
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for (int col = 0; col <= ColumnCount; col++)
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{
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Vector2 from = new Vector2(-f_mapWidth / 2 + col * f_tileWidth, f_mapHeight / 2);
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Vector2 to = new Vector2(-f_mapWidth / 2 + col * f_tileWidth, -f_mapHeight / 2);
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Gizmos.DrawLine(from, to);
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}
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foreach (FBGrid g in f_grid)
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{
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if (g.CanHold)
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{
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Vector3 pos = GetPosition(g);
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Gizmos.DrawIcon(pos, "holder.png", true);
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}
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}
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Gizmos.color = Color.red;
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for (int i = 0; i < f_road.Count; i++)
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{
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//起点
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if (i == 0)
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Gizmos.DrawIcon(GetPosition(f_road[i]), "start.png", true);
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//终点
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if (f_road.Count > 1 && i == f_road.Count - 1)
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Gizmos.DrawIcon(GetPosition(f_road[i]), "end.png", true);
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//红色的连线
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if (f_road.Count > 1 && i != 0)
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{
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Vector3 from = GetPosition(f_road[i - 1]);
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Vector3 to = GetPosition(f_road[i]);
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Gizmos.DrawLine(from, to);
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}
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}
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}
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#endregion
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#region 事件回调
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private void MapOnGridClick(object sender, FBGridClickEventArgs e)
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{
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//当前场景不是LevelBuilder 不能编辑
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if (gameObject.scene.name != "LevelBuilder")
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return;
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if (Level == null)
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return;
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if (e.MouseButton == 0 && !f_road.Contains(e.Grid))
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e.Grid.CanHold = !e.Grid.CanHold;
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if (e.MouseButton == 1 && !e.Grid.CanHold)
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{
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if (f_road.Contains(e.Grid))
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f_road.Remove(e.Grid);
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else
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f_road.Add(e.Grid);
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}
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}
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#endregion
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#region 帮助方法
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//计算地图大小 网格大小
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void CalculateSize()
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{
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Vector3 pos1 = Camera.main.ViewportToWorldPoint(new Vector3(0, 0));
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Vector3 pos2 = Camera.main.ViewportToWorldPoint(new Vector3(1, 1));
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f_mapWidth = pos2.x - pos1.x;
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f_mapHeight = pos2.y - pos1.y;
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f_tileWidth = f_mapWidth / ColumnCount;
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f_tileHeight = f_mapHeight / RowCount;
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}
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/// <summary>
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/// 根据网格获取网格的世界坐标
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/// </summary>
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/// <param name="g"> 网格 </param>
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/// <returns></returns>
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public Vector3 GetPosition(FBGrid g)
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{
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return new Vector3(
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-f_mapWidth / 2 + (g.Index_X + 0.5f) * f_tileWidth,
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-f_mapHeight / 2 + (g.Index_Y + 0.5f) * f_tileHeight,
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0);
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}
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/// <summary> 根据索引获取网格 </summary>>
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FBGrid GetGrid(int x, int y)
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{
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int index = x + y * ColumnCount;
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if (index < 0 || index >= f_grid.Count)
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return null;
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return f_grid[index];
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}
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/// <summary>
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/// 根据位置获取网格
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/// </summary>
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/// <param name="position">坐标</param>
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/// <returns></returns>
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public FBGrid GetGrid(Vector3 position)
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{
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int gridX=(int)((position.x + f_mapWidth / 2) / f_tileWidth);
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int gridY = (int)((position.y + f_mapHeight / 2) / f_tileHeight);
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return GetGrid(gridX, gridY);
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}
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/// <summary> 获取鼠标下面的格子 <summary>
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FBGrid GetTileUnderMouse()
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{
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Vector2 wordPos = GetWorldPosition();
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//int col = (int)((wordPos.x + f_mapWidth / 2) / f_tileWidth);
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//int row = (int)((wordPos.y + f_mapHeight / 2) / f_tileHeight);
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return GetGrid(wordPos);
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}
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/// <summary> 获取鼠标所在位置的世界坐标 <summary>
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Vector3 GetWorldPosition()
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{
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Vector3 viewPos = Camera.main.ScreenToViewportPoint(Input.mousePosition);
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Vector3 worldPos = Camera.main.ViewportToWorldPoint(viewPos);
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return worldPos;
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}
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#endregion
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}
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}
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