掃雷游戲，大家都應(yīng)該玩過吧！其實(shí)規(guī)則也很簡單，可是我們想自己實(shí)現(xiàn)一個掃雷，我們應(yīng)該怎么做呢？

TIM截圖20171010162223.png

Step1: 知曉游戲原理

掃雷就是要把所有非地雷的格子揭開即勝利；踩到地雷格子就算失敗。游戲主區(qū)域由很多個方格組成。使用鼠標(biāo)左鍵隨機(jī)點(diǎn)擊一個方格，方格即被打開并顯示出方格中的數(shù)字；方格中數(shù)字則表示其周圍的8個方格隱藏了幾顆雷；如果點(diǎn)開的格子為空白格，即其周圍有0顆雷，則其周圍格子自動打開；如果其周圍還有空白格，則會引發(fā)連鎖反應(yīng)；在你認(rèn)為有雷的格子上，點(diǎn)擊右鍵即可標(biāo)記雷；如果一個已打開格子周圍所有的雷已經(jīng)正確標(biāo)出，則可以在此格上同時點(diǎn)擊鼠標(biāo)左右鍵以打開其周圍剩余的無雷格。
1代表1的上下左右及斜角合計有一顆雷，依次輪推，2則有2顆，3則有3顆..
在確實(shí)是炸彈的方格上點(diǎn)了旗子，就安全了，不是炸彈的被點(diǎn)了旗子，后面會被炸死的..問號就先不確定這里有沒有炸彈，不會存在點(diǎn)錯了被炸死的狀況..

Step2: 由step1可知，游戲由格子組成，翻譯成代碼語言就叫做數(shù)組，也就是游戲地圖就是一個二維數(shù)組。格子對象，格子的值即當(dāng)前雷的數(shù)量，那么此時我們暫定雷的數(shù)字標(biāo)識為-1。除此之外，格子對象還有是否被顯示，顯示當(dāng)前雷數(shù)量等屬性，那么我們大概可以定義這樣一個類：

 public class CellBlockRole
    {
        /// <summary>
        /// 位于游戲地圖中的坐標(biāo)點(diǎn)X
        /// </summary>
        public int X { get; set; }

        /// <summary>
        /// 位于游戲地圖中的坐標(biāo)點(diǎn)Y
        /// </summary>
        public int Y { get; set; }

        /// <summary>
        /// 是否展示最后格子所代表的結(jié)果
        /// </summary>
        public bool IsShowResult { get; set; } = false;

        /// <summary>
        /// 是否計算數(shù)字結(jié)果
        /// </summary>
        public bool IsComputeResult { get; set; } = false;

        /// <summary>
        /// 是否已經(jīng)展示過計算結(jié)果了
        /// </summary>
        public bool IsHasShowComputed { get; set; } = false;

        /// <summary>
        /// 當(dāng)前的格子的角色數(shù)字， -1：地雷，其他當(dāng)前雷的數(shù)量
        /// </summary>
        public int Number { set; get; } = 0;

        /// <summary>
        /// 是否被Flag標(biāo)識
        /// </summary>
        public bool IsFlag { get; set; } = false;

        /// <summary>
        /// 是否是雷
        /// </summary>
        public bool IsBoom => Number == -1;

    }

繪制游戲UI畫面，見代碼：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using SweeperLibrary.Properties;
using Timer = System.Threading.Timer;

namespace SweeperLibrary
{
    public delegate void OnGameOverDelegate();

    public delegate void OnShowANumberDelegate();

    public delegate void OnPublishGameTimeDelegate(string timeDescription);

    public partial class GameView : UserControl
    {

        /// <summary>
        /// 游戲結(jié)束事件
        /// </summary>
        public event OnGameOverDelegate OnGameOverEvent;

        /// <summary>
        /// 當(dāng)一個格子被點(diǎn)擊時，顯示當(dāng)前數(shù)字的事件
        /// </summary>
        public event OnShowANumberDelegate OnShowANumberEvent;

        /// <summary>
        /// 發(fā)布當(dāng)前游戲的時間
        /// </summary>
        public event OnPublishGameTimeDelegate OnPublishGameTimeEvent;

        /// <summary>
        /// 游戲繪制地圖的每個格子的大小
        /// </summary>
        public static readonly int CellSize = 40;

        /// <summary>
        /// 游戲規(guī)模N*N
        /// </summary>
        public static readonly int GameCellCount = 10;

        /// <summary>
        /// 移動方向坐標(biāo)點(diǎn)改變的數(shù)組
        /// </summary>
        public static readonly int[][] MoveDirectionPoints = {
            new[]{-1, -1},
            new[] {0, -1},
            new[] {1, -1},
            new[] {1, 0},
            new[] {1, 1},
            new[] {0, 1},
            new[] {-1, 1},
            new[] {-1, 0}
        };

        /// <summary>
        /// 隨機(jī)數(shù)雷生成對象
        /// </summary>
        private static readonly Random random = new Random(Guid.NewGuid().GetHashCode());
        /// <summary>
        /// 游戲地圖標(biāo)識數(shù)組
        /// </summary>
        private CellBlockRole[][] gameMap = new CellBlockRole[GameCellCount][];

        /// <summary>
        /// 雷的數(shù)量，默認(rèn)為10
        /// </summary>
        public int BoomCount { get; set; } = 10;

        /// <summary>
        /// 游戲開始時間
        /// </summary>
        private DateTime gameStartTime;

        /// <summary>
        /// 計時定時器
        /// </summary>
        private System.Windows.Forms.Timer gameTimer = new System.Windows.Forms.Timer();

        public GameView()
        {
            InitializeComponent();
            SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
            SetStyle(ControlStyles.AllPaintingInWmPaint, true);
            InitGame(); //默認(rèn)游戲已經(jīng)開始
            SetGameTimer(); //設(shè)置游戲定時器
        }

        private void GameView_Paint(object sender, PaintEventArgs e)
        {
            Width = GameCellCount + 1 + GameCellCount * CellSize;
            Height = GameCellCount + 1 + GameCellCount * CellSize;
            //繪制游戲界面
            Graphics graphics = e.Graphics;
            graphics.Clear(Color.WhiteSmoke);
            if (gameMap != null && gameMap.Length > 0 && gameMap[0] != null && gameMap[0].Length > 0)
            {
                for (int y = 0; y < GameCellCount; y++)
                {
                    for (int x = 0; x < GameCellCount; x++)
                    {
                        int dx = x + 1 + x * CellSize,
                            dy = y + 1 + y * CellSize;
                        CellBlockRole cellBlockRole = gameMap[y][x];
                        graphics.FillRectangle(new SolidBrush(cellBlockRole.IsShowResult ? Color.LightSlateGray : Color.WhiteSmoke),
                            dx, dy, CellSize, CellSize);
                        graphics.DrawRectangle(new Pen(Color.LightGray), dx, dy, CellSize, CellSize);
                        if (cellBlockRole.IsShowResult && cellBlockRole.Number != 0)
                        {
                            switch (cellBlockRole.Number)
                            {
                                case -1: //雷
                                    graphics.DrawImage(Image.FromHbitmap(Resources.boom.GetHbitmap()), new RectangleF(dx, dy, CellSize, CellSize));
                                    break;
                                default: //數(shù)字
                                    string drawText = cellBlockRole.Number.ToString();
                                    Font textFont = new Font(FontFamily.GenericSansSerif, 12, FontStyle.Bold);
                                    SizeF textSize = graphics.MeasureString(drawText, textFont);
                                    graphics.DrawString(drawText, textFont, new SolidBrush(Color.White),
                                        dx + (CellSize - textSize.Width) / 2, dy + (CellSize - textSize.Height) / 2);
                                    break;
                            }
                        }
                    }
                }
            }
        }

        private void GameView_MouseDown(object sender, MouseEventArgs e)
        {
            int px = (e.X - 1) / (CellSize + 1),
                py = (e.Y - 1) / (CellSize + 1);
            switch (e.Button)
            {
                case MouseButtons.Left: //鼠標(biāo)左鍵
                    if (!gameMap[py][px].IsShowResult)
                    {
                        if (gameMap[py][px].IsBoom)
                        {
                            new Thread(() =>
                            {
                                ShowAllCellBlockRoleNumber();
                                if (this.InvokeRequired)
                                {
                                    MethodInvoker del = Invalidate;
                                    this.Invoke(del);
                                } else
                                {
                                    Invalidate();
                                }
                            }).Start();
                            gameTimer.Stop();
                            OnGameOverEvent?.Invoke();
                        } else
                        {
                            new Thread(() =>
                            {
                                ShowNeiborhoodCellRolesByPosi(px, py);
                                if (this.InvokeRequired)
                                {
                                    MethodInvoker del = Invalidate;
                                    this.Invoke(del);
                                } else
                                {
                                    Invalidate();
                                }
                            }).Start();
                            OnShowANumberEvent?.Invoke();
                        }
                    }
                    break;
                case MouseButtons.Right: //鼠標(biāo)右鍵
                    break;
            }
        }

        /// <summary>
        /// 初始化游戲
        /// </summary>
        private void InitGame()
        {
            new Thread(() =>
            {
                InitGameMap();
                GenerateBooms();
                if (this.InvokeRequired)
                {
                    MethodInvoker del = Invalidate;
                    this.Invoke(del);
                } else
                {
                    Invalidate();
                }
            }).Start();
        }

        /// <summary>
        /// 設(shè)置游戲定時器
        /// </summary>
        private void SetGameTimer()
        {
            gameTimer.Interval = 1000;
            gameTimer.Enabled = true;
            gameTimer.Tick += (sender, args) =>
            {
                long dMillisecond = DateTime.Now.Millisecond - gameStartTime.Millisecond;
                long hour = dMillisecond / 60 / 60 / 1000;
                long minute = (dMillisecond - hour * (60 * 60 * 1000)) / (60 * 1000);
                long second = ((dMillisecond - hour * (60 * 60 * 1000)) % (60 * 1000)) / 1000;
                OnPublishGameTimeEvent?.Invoke((hour > 0 ? (hour > 9 ? hour.ToString() : "0" + hour) + ":" : "")
                                               + (minute > 9 ? minute.ToString() : "0" + minute) + "：" + (second > 9 ? second.ToString() : "0" + second));
            };
        }

        /// <summary>
        /// 初始化游戲地圖
        /// </summary>
        private void InitGameMap()
        {
            for (int i = 0; i < GameCellCount; i++)
            {
                gameMap[i] = new CellBlockRole[GameCellCount];
                for (int j = 0; j < GameCellCount; j++)
                {
                    gameMap[i][j] = new CellBlockRole
                    {
                        X = j,
                        Y = i
                    };
                }
            }
            gameStartTime = DateTime.Now;
            gameTimer.Start();
        }

        /// <summary>
        /// 重置游戲地圖
        /// </summary>
        public void ResetGameMap()
        {
            new Thread(() =>
            {
                for (int i = 0; i < GameCellCount; i++)
                {
                    for (int j = 0; j < GameCellCount; j++)
                    {
                        gameMap[i][j].X = j;
                        gameMap[i][j].Y = i;
                        gameMap[i][j].Number = 0;
                        gameMap[i][j].IsShowResult = false;
                        gameMap[i][j].IsComputeResult = false;
                        gameMap[i][j].IsHasShowComputed = false;

                    }
                }
                GenerateBooms(); //生成一些雷
                if (this.InvokeRequired)
                {
                    MethodInvoker del = Invalidate;
                    this.Invoke(del);
                } else
                {
                    Invalidate();
                }
            }).Start();
            gameStartTime = DateTime.Now;
            gameTimer.Start();
        }

        /// <summary>
        /// 隨機(jī)生成一些地雷
        /// </summary>
        public void GenerateBooms()
        {
            for (int i = 0; i < BoomCount; i++)
            {
                int boomNumberIndex = random.Next(0, GameCellCount * GameCellCount - 1); //生成隨機(jī)數(shù)的范圍
                int boomX = boomNumberIndex % GameCellCount,
                    boomY = boomNumberIndex / GameCellCount;
                if (gameMap[boomY][boomX].Number == 0)
                    gameMap[boomY][boomX].Number = -1; //-1表示雷
                else // 已經(jīng)存在雷了，所以要重新處理
                    i--;
            }
            MakeAllNumberComputeInCellRole(0, 0); //默認(rèn)從坐標(biāo)（0，0）開始
        }

        /// <summary>
        /// 顯示所有的格子的信息
        /// </summary>
        private void ShowAllCellBlockRoleNumber()
        {
            for (int i = 0; i < GameCellCount; i++)
            {
                for (int j = 0; j < GameCellCount; j++)
                {
                    gameMap[i][j].IsShowResult = true;
                }
            }
        }

        /// <summary>
        /// 顯示某點(diǎn)周邊所有格子的數(shù)字
        /// </summary>
        /// <param name="posiX">X軸坐標(biāo)</param>
        /// <param name="posiY">Y軸坐標(biāo)</param>
        private void ShowNeiborhoodCellRolesByPosi(int posiX, int posiY)
        {
            gameMap[posiY][posiX].IsShowResult = true;
            gameMap[posiY][posiX].IsHasShowComputed = true;
            int boomCount = GetBoomCountInNeiborhood(posiX, posiY);
            if (boomCount == 0) //如果周圍沒有雷，則翻開所有8個方向的相關(guān)數(shù)字
            {
                for (int i = 0; i < MoveDirectionPoints.Length; i++)
                {
                    int[] itemPosi = MoveDirectionPoints[i];
                    int rx = posiX + itemPosi[0],
                        ry = posiY + itemPosi[1];
                    bool isNotOutIndexRange = rx >= 0 && rx < GameCellCount && ry >= 0 && ry < GameCellCount;
                    if (isNotOutIndexRange) //防止坐標(biāo)溢出
                    {
                        gameMap[ry][rx].IsShowResult = true;
                        if (!gameMap[ry][rx].IsHasShowComputed && gameMap[ry][rx].Number == 0)
                            ShowNeiborhoodCellRolesByPosi(rx, ry);
                    }
                }
            }
        }

        /// <summary>
        /// 獲取某點(diǎn)附近的雷數(shù)量
        /// </summary>
        /// <param name="posiX">X軸坐標(biāo)點(diǎn)</param>
        /// <param name="posiY">Y軸坐標(biāo)點(diǎn)</param>
        /// <returns></returns>
        private int GetBoomCountInNeiborhood(int posiX, int posiY)
        {
            int boomCount = 0;
            for (int i = 0; i < MoveDirectionPoints.Length; i++)
            {
                int[] itemPosi = MoveDirectionPoints[i];
                int rx = posiX + itemPosi[0],
                    ry = posiY + itemPosi[1];
                bool isNotOutIndexRange = rx >= 0 && rx < GameCellCount && ry >= 0 && ry < GameCellCount;
                if (isNotOutIndexRange && gameMap[ry][rx].IsBoom) //防止坐標(biāo)溢出
                {
                    boomCount++;
                }
            }
            return boomCount;
        }

        /// <summary>
        /// 計算每個格子的數(shù)字標(biāo)識
        /// </summary>
        /// <param name="posiX">X軸坐標(biāo)</param>
        /// <param name="posiY">Y軸坐標(biāo)</param>
        private void MakeAllNumberComputeInCellRole(int posiX, int posiY)
        {
            int boomCount = GetBoomCountInNeiborhood(posiX, posiY);
            if (boomCount != 0) //如果周圍沒有雷，則計算周圍的8個方向的格子
            {
                gameMap[posiY][posiX].Number = boomCount;
            } else
            {
                if (!gameMap[posiY][posiX].IsBoom)
                    gameMap[posiY][posiX].Number = 0;
            }
            gameMap[posiY][posiX].IsComputeResult = true;
            for (int i = 0; i < MoveDirectionPoints.Length; i++)
            {
                int[] itemPosi = MoveDirectionPoints[i];
                int rx = posiX + itemPosi[0],
                    ry = posiY + itemPosi[1];
                bool isNotOutIndexRange = rx >= 0 && rx < GameCellCount && ry >= 0 && ry < GameCellCount;
                if (isNotOutIndexRange && !gameMap[ry][rx].IsComputeResult && !gameMap[ry][rx].IsBoom) //防止坐標(biāo)溢出
                {
                    MakeAllNumberComputeInCellRole(rx, ry);
                }
            }
        }

    }

}

主要代碼已經(jīng)實(shí)現(xiàn)，現(xiàn)已知現(xiàn)有代碼的定時器由問題，暫時不支持Flag（旗子標(biāo)識）。當(dāng)然代碼中還有其他不足的地方，游戲持續(xù)優(yōu)化中。。。

源代碼Git地址：https://gitee.com/yugecse/MineSweeper-CShape