c语言模拟扫雷小游戏

扫雷游戏的原理很简单，我用c语言简单做了一个模拟程序，在获取雷数的时候可能比较繁琐，还有没有简单明了写法，求高手指导。代码附上：

#include <stdio.h>
#include <windows.h>
#define M 10
#define N 10
#define MAX (M*N)
#define MINE  "▲"
#define MAXVALUE (~(unsigned)0)

void swap(unsigned *pa,unsigned *pb);//交换数据
void printmine(unsigned (*arr)[N]);//打印扫雷数据
unsigned getflag(unsigned num);//判断该位置是否有雷
void setminecount(unsigned (*arr)[N],unsigned num);//设置雷数
void messnum(unsigned (*arr)[N]);//洗牌
void initmine(unsigned (*arr)[N]);//初始化扫雷数据
void getminecount(unsigned (*arr)[N],unsigned i,unsigned j);//获取该位置的雷数

void swap(unsigned *pa,unsigned *pb)
{
	unsigned temp = 0;
	temp = *pa;
	*pa = *pb;
	*pb = temp;
}
unsigned getflag(unsigned num)
{
	return (num == MAXVALUE)?1:0;
}

void setminecount(unsigned (*arr)[N],unsigned num)
{
	unsigned i = 0,j = 0,count = 0;
	for(i = 0;i < M;i ++)
	{
		for(j = 0;j < N;j ++)
		{
			arr[i][j] = MAXVALUE;
			count ++;
			if (count == num)
			{
				return;
			}
		}
	}
}

void messnum(unsigned (*arr)[N])
{
	unsigned i = 0,j = 0,x = 0,y = 0;
	srand((unsigned)time(NULL)); 
	for (i = 0;i < M;i++)
	{
		for(j = 0;j < N;j ++)
		{
			x = rand()%M;
			y = rand()%N;
			swap(&arr[x][y],&arr[i][j]);
		}
	}
}

void getminecount(unsigned (*arr)[N],unsigned i,unsigned j)
{
	if (arr[i][j] == MAXVALUE)
	{
		return;
	}
	else
	{
		if (i <= 0)
		{
			if (j <= 0)
			{
				arr[i][j] = getflag(arr[i][j+1]) + getflag(arr[i+1][j]) + getflag(arr[i+1][j+1]);
			}
			else if (j > 0 && j < N-1)
			{
				arr[i][j] = getflag(arr[i][j+1]) + getflag(arr[i][j-1]) + getflag(arr[i+1][j]) +  
					getflag(arr[i+1][j+1]) + getflag(arr[i+1][j-1]);
			}
			else
			{
				arr[i][j] = getflag(arr[i][j-1]) + getflag(arr[i+1][j]) + getflag(arr[i+1][j-1]);
			}
		}
		else if (i > 0 && i < M-1)
		{
			if (j <= 0)
			{
				arr[i][j] = getflag(arr[i][j+1]) + getflag(arr[i+1][j]) + getflag(arr[i-1][j]) + 
					getflag(arr[i+1][j+1]) + getflag(arr[i-1][j+1]);
			}
			else if (j > 0 && j < N-1)
			{
				arr[i][j] = getflag(arr[i][j+1]) + getflag(arr[i][j-1]) + getflag(arr[i+1][j]) + getflag(arr[i-1][j]) + 
					getflag(arr[i+1][j+1]) + getflag(arr[i-1][j-1]) + getflag(arr[i+1][j-1]) + getflag(arr[i-1][j+1]);
			}
			else 
			{
				arr[i][j] = getflag(arr[i][j-1]) + getflag(arr[i+1][j]) + getflag(arr[i-1][j]) + 
					getflag(arr[i-1][j-1]) + getflag(arr[i+1][j-1]);
			}
		}
		else
		{
			if (j <= 0)
			{
				arr[i][j] = getflag(arr[i][j+1]) + getflag(arr[i-1][j]) + getflag(arr[i-1][j+1]);
			}
			else if (j > 0 && j < N-1)
			{
				arr[i][j] = getflag(arr[i][j+1]) + getflag(arr[i][j-1]) + getflag(arr[i-1][j-1]) + 
					getflag(arr[i-1][j]) + getflag(arr[i-1][j+1]);
			}
			else
			{
				arr[i][j] = getflag(arr[i][j-1]) + getflag(arr[i-1][j]) + getflag(arr[i-1][j-1]);
			}
		}
	}
}
void initmine(unsigned (*arr)[N])
{
	unsigned i = 0,j = 0;
	for (i = 0;i < M;i++)
	{
		for(j = 0;j < N;j ++)
		{
			getminecount(arr,i,j);
		}
	}
}
void printmine(unsigned (*arr)[N])
{
	unsigned i = 0,j = 0;
	for (i = 0;i < M;i++)
	{
		for(j = 0;j < N;j ++)
		{
			if (arr[i][j] == MAXVALUE)
			{
				printf(" %s ",MINE);
			}
			else
			{
				printf(" %2u ",arr[i][j]);
			}
		}
		printf("\n\n");
	}	
}
int main(void)
{
	unsigned arr[M][N] = {0};
	unsigned i = 0,j = 0;
	unsigned temp = 0;
	memset(arr,0,sizeof(arr));
	system("color 70");
	setminecount(arr,20); //设置雷数
	messnum(arr);	   //洗牌
	initmine(arr);     //初始化扫雷
	printmine(arr);    //打印扫雷
	getch();
	return 0;
}

运行结果：