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掃雷游戲，大家都應該玩過吧！其實規則也很簡單，可是我們想自己實現一個掃雷，我們應該怎么做呢？
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。游戲主區域由很多個方格組成。使用鼠標左鍵隨機點擊一個方格，方格即被打開并顯示出方格中的數字；方格中數字則表示其周圍的8個方格隱藏了幾顆雷；如果點開的格子為空白格，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，則會引發連鎖反應；在你認為有雷的格子上，點擊右鍵即可標記雷；如果一個已打開格子周圍所有的雷已經正確標出，則可以在此格上同時點擊鼠標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..
在確實是炸彈的方格上點了旗子，就安全了，不是炸彈的被點了旗子，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組，也就是游戲地圖就是一個二維數組。格子對象，格子的值即當前雷的數量，那么此時我們暫定雷的數字標識為-1。除此之外，格子對象還有是否被顯示，顯示當前雷數量等屬性，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點X
/// </summary>
public int X { get; set; }
/// <summary>
/// 位于游戲地圖中的坐標點Y
/// </summary>
public int Y { get; set; }
/// <summary>
/// 是否展示最后格子所代表的結果
/// </summary>
public bool IsShowResult { get; set; } = false;
/// <summary>
/// 是否計算數字結果
/// </summary>
public bool IsComputeResult { get; set; } = false;
/// <summary>
/// 是否已經展示過計算結果了
/// </summary>
public bool IsHasShowComputed { get; set; } = false;
/// <summary>
/// 當前的格子的角色數字， -1：地雷，其他當前雷的數量
/// </summary>
public int Number { set; get; } = 0;
/// <summary>
/// 是否被Flag標識
/// </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>
/// 游戲結束事件
/// </summary>
public event OnGameOverDelegate OnGameOverEvent;
/// <summary>
/// 當一個格子被點擊時，顯示當前數字的事件
/// </summary>
public event OnShowANumberDelegate OnShowANumberEvent;
/// <summary>
/// 發布當前游戲的時間
/// </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>
/// 游戲規模N*N
/// </summary>
public static readonly int GameCellCount = 10;
/// <summary>
/// 移動方向坐標點改變的數組
/// </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>
/// 隨機數雷生成對象
/// </summary>
private static readonly Random random = new Random(Guid.NewGuid().GetHashCode());
/// <summary>
/// 游戲地圖標識數組
/// </summary>
private CellBlockRole[][] gameMap = new CellBlockRole[GameCellCount][];
/// <summary>
/// 雷的數量，默認為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(); //默認游戲已經開始
SetGameTimer(); //設置游戲定時器
}
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); //生成隨機數的范圍
int boomX = boomNumberIndex % GameCellCount,
boomY = boomNumberIndex / GameCellCount;
if (gameMap[boomY][boomX].Number == 0)
gameMap[boomY][boomX].Number = -1; //-1表示雷
else // 已經存在雷了，所以要重新處理
i--;
}
MakeAllNumberComputeInCellRole(0, 0); //默認從坐標（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>
/// 顯示某點周邊所有格子的數字
/// </summary>
/// <param name="posiX">X軸坐標</param>
/// <param name="posiY">Y軸坐標</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個方向的相關數字
{
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>
/// 獲取某點附近的雷數量
/// </summary>
/// <param name="posiX">X軸坐標點</param>
/// <param name="posiY">Y軸坐標點</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) //防止坐標溢出
{
boomCount++;
}
}
return boomCount;
}
/// <summary>
/// 計算每個格子的數字標識
/// </summary>
/// <param name="posiX">X軸坐標</param>
/// <param name="posiY">Y軸坐標</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) //防止坐標溢出
{
MakeAllNumberComputeInCellRole(rx, ry);
}
}
}
}
}
主要代碼已經實現，現已知現有代碼的定時器由問題，暫時不支持Flag（旗子標識）。當然代碼中還有其他不足的地方，游戲持續優化中。。。
源代碼地址：MineSweeper-CShape_jb51.rar
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持億速云。
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