C++实现扫雷游戏（控制台版）

#include <stdio.h>
#include <string.h>
#define SIZE 10
char img_map[SIZE + 2][SIZE + 2]; // the image of a map
int num_map[SIZE + 2][SIZE + 2]; // calculate the total number of mine in one block.
int open_map[SIZE + 2][SIZE + 2]; // which img shoud user open.
int sumMine = 0;
int sumBlock = 0;
int dir[8][2] = {{1,0},{1,-1},{0,-1},{-1,-1},{-1,0},{-1,1},{0,1},{1,1}};
int beyond_board (int x,int y){ // judge whether the step is out of board;
 if( x < 0 || x >= SIZE || y < 0 || y >= SIZE ){
 return 1; // beyond board return 1;
 }
 return 0;
}
void read_img_map(){  // get data from map.txt
 FILE *p_file = fopen("map.txt","r");
 int i = 0,j;
 for (i = 0;i < SIZE;i++){
 fread(img_map[i],sizeof(char),SIZE+1,p_file);
 }
/* for (i = 0;i < SIZE;i++){
 for (j = 0;j < SIZE;j++){
 if(img_map[i][j] == '*'){
 img_map[i][j] = ' ';
 }
 }
 }
*/
}
void write_num_map(){  // transfer img_map to num_map
 int i = 0,j = 0,k = 0;
 for (i = 0;i < SIZE;i++){
 for (j = 0;j < SIZE;j++){
 if (img_map[i][j] == 'x'){
 sumMine++;  // the total number of mine in the map
 num_map[i][j] = 9; // 9 represent a mine here
 continue;
 }
 for (k = 0;k < 8;k++){
 int stepx = i + dir[k][0],stepy = j + dir[k][1];
 if ( !beyond_board (stepx,stepy) ){
 if (img_map[stepx][stepy] == 'x'){
  num_map[i][j] += 1;
 }
 }
 } 
 }
 }
/* for (i = 0;i < SIZE;i++){
 for (j = 0;j < SIZE;j++){
  printf("%d",num_map[i][j]);
 }
 printf("\n");
 } 
 */
}
void show_all_mine(){ // 在地图中显示所有的地雷的位置
 int i,j;
 for (i = 0;i < SIZE;i++){
 for (j = 0;j < SIZE;j++){
 if (num_map[i][j] == 9) { 
 open_map[i][j] = 1; // 找到地雷后在 openmap 中标记 
 }
 }
 }
}
void show_all_map(){
 int i,j;
 for (i = 0;i < SIZE;i++){
 for (j = 0;j < SIZE;j++){
 if(open_map[i][j]){
 if(num_map[i][j] == 9){ 
 printf("X"); // x represetn mine
 }
 else{
  printf("%d",num_map[i][j]); // show the number has been opened
 }
 }
 else{
  printf("*");  // the block is coverd;
 }
 }
 printf("\n");
 }
}
void find_empty(int x,int y){  //搜索算法
 // printf("x = %d y = %d\n",x,y);
 // show_all_map();
 if (beyond_board(x,y)){
 return ;
 }
 if (open_map[x][y]){
 return ; 
 }
 if (!num_map[x][y]){ // 遇到零时还要继续翻上下左右
 open_map[x][y] = 1;
 }else if(num_map[x][y] != 9){ // 遇到数字了即搜索停止
 open_map[x][y] = 1;
 return ;
 }
 //else {  //****遇到雷时搜索停止
 // return ;
 // }
 int i;
 for (i = 0 ;i < 8;i++){
 find_empty(x + dir[i][0],y + dir[i][1]);
 }
}
int sum_one_open_map(){
 int i,j;
 int s = 0;
 for (i = 0;i < SIZE;i++){
 for ( j = 0;j < SIZE;j++)
 if (open_map[i][j]){
 s++;
 }
 } 
 return s;
}
int main()
{
 read_img_map();
 write_num_map();
 show_all_map();
 memset(open_map,0,sizeof(open_map)); // reset the open_map.
 int x,y; // empty = 0 , mine = 9, number = others
 sumBlock = SIZE * SIZE - sumMine;
 int sum = 0;
 while(sumBlock != sum){
 printf("please input the postion x,y: ");
 scanf("%d %d",&x,&y);
 scanf("%*[^\n]"); //clean the buffer
 scanf("%*c");
 x--;
 y--;
 if(beyond_board(x,y)){ // the position is beyond the board
 printf("beyond the board and please input the position again:");
 continue;
 }
 if(!num_map[x][y]){ //is empty
  find_empty(x,y); 
  show_all_map(x,y); 
 }else if(num_map[x][y] == 9){ // is mine
 show_all_mine();
 show_all_map();
 break;
 }else{    // is number
 open_map[x][y] = 1;
 show_all_map();
 }
 sum = sum_one_open_map();
 }
 if (sum==sumBlock) printf("YOU WIN! \n");
 else {
 printf("YOU LOSE!\n");
 }
 return 0;
}