[C language] simple implementation of mine sweeping game

When implementing this little game , Every time we implement a function, we have to check whether there is bug, Function by function .

---

1. Realize the idea

1.1 menu

void menu()
{
    
	printf("********************\n");
	printf("**1.play 0.exit**\n");
	printf("********************\n");

}
int main()
{
    
	srand((unsigned int)time(NULL));// The computer randomly arranges the location of thunder 
	int input = 0;
	do
	{
    
		menu();
		printf(" Please select ：");
		scanf("%d", &input);
		switch (input)
		{
    
		case 1:
			game();// Enter the game function 
			break;
		case 0:
			printf(" Quit the game \n");
			break;
		default:
			printf(" Wrong choice , Please reselect \n");
			break;
		}
	} while (input);
	return 0;
}

1.2 Initialize chessboard

Ideas ：
（1） Because the number and use of prompts to prevent thunder around the chessboard 1 It means thunder confusion , So we need to prepare two chessboards . A checkerboard randomly arranges thunder , Another chessboard is used to check the number of Mines . character 1 It means ray , character 0 It doesn't mean ray .
（2） Considering that users settle on the edge of the chessboard , We also need to check the number of thunder , If it is 99 Array of , Count the surrounding 8 Location (s) , It will cause cross-border , So what we need to prepare is 1111 Two chessboards of （ Auxiliary statistics ）, But what we show users is 99 The chessboard of .
（3） Prepare two arrays .
A chessboard is initialized to characters 0（ Ray hasn't been arranged yet ）;
A chessboard is initialized to characters （ Ray hasn't been checked yet , The game hasn't started yet ）

// This is the function called 
// Initialize two arrays 
	// One is initialized to '0'（ It means that thunder has not been arranged ）
	//InitBoard(mine, ROWS, COLS,'0');
	// One is initialized to '*'（ It means that the investigation has not started yet ）
	//InitBoard(show, ROWS, COLS,'*');
// Implement the function of initializing the chessboard 
void InitBoard(char board[ROWS][COLS], int rows, int cols,char set)
{
    
	int i = 0;
	int j = 0;
	for (i = 0; i < ROWS; i++)
	{
    
		for (j = 0; j < COLS; j++)
		{
    
			board[i][j] = set;
		}
	}
}

1.3 Print chessboard

Note that we need to print （ Exhibition ） The chessboard of is 9x9 Of , A print is all 0( It hasn't been laid yet ) The chessboard of , A print is all * The chessboard of . After initializing the chessboard , Print it out first to see if it can be achieved .

// Print chessboard 
	//Display(mine, ROW, COL);
	//Display(show, ROW, COL);
// Print chessboard 
void Display(char board[ROWS][COLS], int row, int col)
{
    
	// What we want to print is 9*9 The chessboard of 
	int i = 0;
	int j = 0;
	printf("---------- The Minesweeper game ---------\n");
	// Optimize the chessboard -- Print the number of columns 
	for (i = 0; i <= col; i++)
	{
    
		printf("%d ", i);
	}
	printf("\n");
	for (i = 1; i <= row; i++)
	{
    
		// Print lines 
		printf("%d ", i);
		for (j = 1; j <= col; j++)
		{
    
			printf("%c ", board[i][j]);
		}
		printf("\n");
	}
	printf("---------- The Minesweeper game ---------\n");

}

Print result display ：

1.4 Random arrangement of thunder

Pay attention to it 9*9 Lay thunder on the chessboard of . After the arrangement, you can put mine Print out the array to see if it is randomly arranged each time

// stay 9*9 Lay thunder on the chessboard of 
void SetMine(char mine[ROWS][COLS], int row, int col)
{
    
	// Arrangement 10 A thunder 
	int count = boom;
	while (count)
	{
    
		int x = rand() % 9 + 1;//1-9
		int y = rand() % 9 + 1;//1-9
		if (mine[x][y] == '0')// If there is no thunder in this position , Only with this coordinate can we lay thunder 
		{
    
			mine[x][y] = '1';
			count--;
		}
	}
}

1.5 Check the thunder

To check thunder, we need to consider whether the coordinates entered by players are legal , Whether it has been settled , And we should start from mine Get the number of mines around the user input coordinates in the array , That is to obtain the number of mines , And then on show In the corresponding position of the array .（ Notice that we get numbers , And the characters we need ）

1.5.1 Get the number of surrounding mines

int get_Mine(char mine[ROWS][COLS], int x, int y)
{
    
	return mine[x - 1][y - 1] +
		mine[x - 1][y] +
		mine[x - 1][y + 1] +
		mine[x][y - 1] +
		mine[x][y + 1] +
		mine[x + 1][y - 1] +
		mine[x + 1][y] +
		mine[x + 1][y + 1] - 8 * '0';
}

1.5.2 Convert numbers and characters

from ASCII It can be found in the code table ’0’ The value of is 48,’1’ The value of is 49, And our numbers 0 Namely 0,1 Namely 1, That is, the difference between numbers and characters 48, namely ’0’ Value . So if you want to convert numbers into characters , Just add the number ’0’, How to print in character form , To convert characters into numbers , Then subtract ’0’.

void FindMine(char mine[ROWS][COLS], char show[ROWS][COLS], int row, int col)
{
    
	int win = 0;// The winning situation - Check out ROW*COL-boom
	while (win<ROW*COL-boom)
	{
    
		printf(" Please enter the coordinates you want to check :");
		int x = 0;
		int y = 0;
		scanf("%d %d", &x, &y);//1-9

		

		if (x >= 1 && x <= 9 && y >= 1 && y <= 9)
		{
    
			if (show[x][y] != '*')
			{
    
				printf(" This coordinate has been checked \n");
			}
			else if (mine[x][y] == '1')
			{
    
				printf(" unfortunately , You're killed in the blast \n");
				Display(mine, ROW, COL);
				break;
			}
			else
			{
    
				// Count how many mines are around this coordinate 
				// Notice that we get numbers 3, What we want is characters '3', Can be saved to the character array show in 
				int count= get_Mine(mine, x, y);
				show[x][y] = count + '0';
				Display(show, ROW, COL);
				win++;
			}
		}
		else
		{
    
			printf(" Illegal coordinate input , Please re-enter \n");
		}
	}
	if (win == ROW * COL - boom)
	{
    
		printf(" congratulations ！ Mine clearance is successful !\n");
		Display(mine, ROW, COL);
	}
}

Judge the user's successful demining

Namely discharge win==ROW*COL- The number of ray

Two 、 Code implementation

The header file game.h

// The header file 
#include<stdio.h>
#include<stdlib.h>
#include<time.h>

// Display chessboard 
#define ROW 9
#define COL 9
// Auxiliary chessboard 
#define ROWS ROW+1
#define COLS COL+2

// If you want to set up a few mines, set up a few mines 
#define boom 70

// Function declaration 
// Initialize chessboard 
void InitBoard(char board[ROWS][COLS], int rows, int cols,char set);
// Print chessboard 
void Display(char board[ROWS][COLS], int row, int col);
// Arrange thunder   Lay out Ray's array 
void SetMine(char mine[ROWS][COLS], int row, int col);
// Check the thunder 
void FindMine(char mine[ROWS][COLS], char show[ROWS][COLS], int row, int col);

The realization of game logic game.c

#define _CRT_SECURE_NO_WARNINGS 1
#include"game.h"
// Implement the function of initializing the chessboard 
void InitBoard(char board[ROWS][COLS], int rows, int cols,char set)
{
    
	int i = 0;
	int j = 0;
	for (i = 0; i < ROWS; i++)
	{
    
		for (j = 0; j < COLS; j++)
		{
    
			board[i][j] = set;
		}
	}
}
// Print chessboard 
void Display(char board[ROWS][COLS], int row, int col)
{
    
	// What we want to print is 9*9 The chessboard of 
	int i = 0;
	int j = 0;
	printf("---------- The Minesweeper game ---------\n");
	// Optimize the chessboard -- Print the number of columns 
	for (i = 0; i <= col; i++)
	{
    
		printf("%d ", i);
	}
	printf("\n");
	for (i = 1; i <= row; i++)
	{
    
		// Print lines 
		printf("%d ", i);
		for (j = 1; j <= col; j++)
		{
    
			printf("%c ", board[i][j]);
		}
		printf("\n");
	}
	printf("---------- The Minesweeper game ---------\n");

}
// stay 9*9 Lay thunder on the chessboard of 
void SetMine(char mine[ROWS][COLS], int row, int col)
{
    
	// Arrangement 10 A thunder 
	int count = boom;
	while (count)
	{
    
		int x = rand() % 9 + 1;//1-9
		int y = rand() % 9 + 1;//1-9
		if (mine[x][y] == '0')// If there is no thunder in this position , Only with this coordinate can we lay thunder 
		{
    
			mine[x][y] = '1';
			count--;
		}
	}
}
int get_Mine(char mine[ROWS][COLS], int x, int y)
{
    
	return mine[x - 1][y - 1] +
		mine[x - 1][y] +
		mine[x - 1][y + 1] +
		mine[x][y - 1] +
		mine[x][y + 1] +
		mine[x + 1][y - 1] +
		mine[x + 1][y] +
		mine[x + 1][y + 1] - 8 * '0';
}
// Check the thunder 
void FindMine(char mine[ROWS][COLS], char show[ROWS][COLS], int row, int col)
{
    
	int win = 0;// The winning situation - Check out ROW*COL-boom
	while (win<ROW*COL-boom)
	{
    
		printf(" Please enter the coordinates you want to check :");
		int x = 0;
		int y = 0;
		scanf("%d %d", &x, &y);//1-9

		

		if (x >= 1 && x <= 9 && y >= 1 && y <= 9)
		{
    
			if (show[x][y] != '*')
			{
    
				printf(" This coordinate has been checked \n");
			}
			else if (mine[x][y] == '1')
			{
    
				printf(" unfortunately , You're killed in the blast \n");
				Display(mine, ROW, COL);
				break;
			}
			else
			{
    
				// Count how many mines are around this coordinate 
				// Notice that we get numbers 3, What we want is characters '3', Can be saved to the character array show in 
				int count= get_Mine(mine, x, y);
				show[x][y] = count + '0';
				Display(show, ROW, COL);
				win++;
			}
		}
		else
		{
    
			printf(" Illegal coordinate input , Please re-enter \n");
		}
	}
	if (win == ROW * COL - boom)
	{
    
		printf(" congratulations ！ Mine clearance is successful !\n");
		Display(mine, ROW, COL);
	}
}

Functions to implement the game test.c

#include"game.h"
void menu()
{
    
	printf("********************\n");
	printf("**1.play 0.exit**\n");
	printf("********************\n");

}
void game()
{
    
	// Lay out Ray's array 
	char mine[ROWS][COLS] = {
     0 };
	// Check Ray's array 
	char show[ROWS][COLS] = {
     0 };
	// Initialize two arrays 
	// One is initialized to '0'（ It means that thunder has not been arranged ）
	InitBoard(mine, ROWS, COLS,'0');
	// One is initialized to '*'（ It means that the investigation has not started yet ）
	InitBoard(show, ROWS, COLS,'*');
	// Print chessboard 
	Display(mine, ROW, COL);
	Display(show, ROW, COL);
	// Arrange thunder 
	SetMine(mine, ROW, COL);
	Display(mine, ROW, COL);
	// Check the thunder 
	FindMine(mine, show, ROW, COL);

}
int main()
{
    
	srand((unsigned int)time(NULL));// The computer randomly arranges the location of thunder 
	int input = 0;
	do
	{
    
		menu();
		printf(" Please select ：");
		scanf("%d", &input);
		switch (input)
		{
    
		case 1:
			game();// Enter the game function 
			break;
		case 0:
			printf(" Quit the game \n");
			break;
		default:
			printf(" Wrong choice , Please reselect \n");
			break;
		}
	} while (input);
	return 0;
}