控制台造之一：贪吃蛇

 

　　用前面控制台句柄的知识后大概就搞得懂贪吃蛇之类的控制台小游戏是几个意思了，虽然看起来还是一坨哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈

codeblocks通过：

#include <windows.h>

#include <stdlib.h>

#include <time.h>

#include <stdio.h>

#include <string.h>

#include <conio.h>

#define N 21



int apple[3];

char score[3];

char tail[3]; 



void gotoxy(int x, int y)    //输出坐标 

{

        COORD pos;

        pos.X = x;

        pos.Y = y;

        SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);

}



void color(int b)         //颜色函数 

{

    HANDLE hConsole = GetStdHandle((STD_OUTPUT_HANDLE)) ; 

    SetConsoleTextAttribute(hConsole,b) ;

} 



int Block(char head[2])   //判断出界 

{

        if ((head[0] < 1) || (head[0] > N) || (head[1] < 1) || (head[1] > N))

                return 1;

        return 0;

}



int Eat(char snake[2])   //吃了苹果 

{

        if ((snake[0] == apple[0]) && (snake[1] == apple[1]))

       {

                apple[0] = apple[1] = apple[2] = 0;

                gotoxy(N+44,10);

                color(13);

                printf("%d",score[0]*10);

                color(11);

                return 1;

           }

        return 0;

}



void Draw(char **snake, int len)    //蛇移动 

{

        if (apple[2]) {

                gotoxy(apple[1] * 2, apple[0]);

                color(12);

                printf("●");

                color(11);

        }

        gotoxy(tail[1] * 2, tail[0]);

        if (tail[2]) 

         {  color(14);

                printf("★");

                color(11);

         }

    else 

        printf("■");

        gotoxy(snake[0][1] * 2, snake[0][0]);

        color(14);

        printf("★");

        color(11);

        putchar('\n');

}



char** Move(char **snake, char dirx, int *len)   //控制方向 

{

        int i, full = Eat(snake[0]);

        memcpy(tail, snake[(*len)-1], 2);

        for (i = (*len) - 1; i > 0; --i) 

                memcpy(snake[i], snake[i-1], 2);

        switch (dirx) 

          { 

           case 'w': case 'W': --snake[0][0]; break;

              case 's': case 'S': ++snake[0][0]; break;

           case 'a': case 'A': --snake[0][1]; break;

           case 'd': case 'D': ++snake[0][1]; break;

           default: ;

         }  

        if (full)   

           { 

                snake = (char **)realloc(snake, sizeof(char *) * ((*len) + 1));

                snake[(*len)] = (char *)malloc(sizeof(char) * 2);

                memcpy(snake[(*len)], tail, 2);

                ++(*len);

                ++score[0];

                if(score[3] < 16) 

                ++score[3];

                tail[2] = 1;

           }

           else 

                tail[2] = 0;

                return snake;

}



void init(char plate[N+2][N+2], char ***snake_x, int *len)  //初始化 

{

        int i, j;

        char **snake = NULL;



        *len = 3;

        score[0] = score[3] =3;

        snake = (char **)realloc(snake, sizeof(char *) * (*len));

        for (i = 0; i < *len; ++i)

                snake[i] = (char *)malloc(sizeof(char) * 2);

                

        for (i = 0; i < 3; ++i) 

                {

                snake[i][0] = N/2 + 1;

                snake[i][1] = N/2 + 1 + i;

             } 

             

        for (i = 1; i <= N; ++i) 

                for (j = 1; j <= N; ++j) 

                        plate[i][j] = 1;

                         

        apple[0] = rand()%N + 1; apple[1] = rand()%N + 1;

        apple[2] = 1;



        for (i = 0; i < N + 2; ++i) 

                {

                gotoxy(0, i);

                for (j = 0; j < N + 2; ++j) 

                        {

                        switch (plate[i][j]) 

                                {

                             case 0: 

                                 color(12);printf("□");color(11); continue;

                        case 1: printf("■"); continue;

                             default: ;

                             }

                    }

                   putchar('\n');

            } 

        for (i = 0; i < (*len); ++i)

       {

                gotoxy(snake[i][1] * 2, snake[i][0]);

                printf("★");

            } 

        putchar('\n');

        *snake_x = snake;

}



void Manual()

{

        gotoxy(N+30,2);

        color(10);

        printf("按 W S A D 移动方向");

        gotoxy(N+30,4);

        printf("按 space 键暂停"); 

        gotoxy(N+30,8);

        color(11);

        printf("历史最高分为: ");

        color(12);

        gotoxy(N+44,8);

        printf("%d",score[1]*10);

        color(11);

        gotoxy(N+30,12);

        printf("你现在得分为: 0");         

}



int File_in()     //取记录的分数 

{

   FILE *fp;

   if((fp = fopen("C:\\tcs.txt","a+")) == NULL)

   {

            gotoxy(N+18, N+2);

     printf("文件不能打开\n");

         exit(0);

   }

   if((score[1] = fgetc(fp)) != EOF);

   else

   score[1] = 0;

   return 0;

}



int File_out()    //存数据 

{

        

        FILE *fp;

        if(score[1] > score[0]) 

        {gotoxy(10,10);

        color(12);

        puts("闯关失败 加油耶");

        gotoxy(0,N+2); 

        return 0;

        }

        if((fp = fopen("C:\\tcs.txt","w+")) == NULL)

        {

                printf("文件不能打开\n");

                exit(0);

        }

    if(fputc(--score[0],fp)==EOF)

           printf("输出失败\n");

    gotoxy(10,10);

        color(12);

        puts("恭喜您打破记录"); 

        gotoxy(0,N+2);

        return 0;

}





void Free(char **snake, int len)    //释放空间 

{

        int i;

        for (i = 0; i < len; ++i) 

                free(snake[i]);

        free(snake);

}



int main(void)

{

        int len;

        char ch = 'g';

        char a[N+2][N+2] = {{0}};

        char **snake;

        srand((unsigned)time(NULL));

        color(11);

        File_in();

        init(a, &snake, &len);

        Manual();

        while (ch != 0x1B)   // 按 ESC 结束 

         { 

                Draw(snake, len);

                if (!apple[2]) {

                        apple[0] = rand()%N + 1;

                        apple[1] = rand()%N + 1;

                        apple[2] = 1;

                }

                Sleep(200-score[3]*10);

                setbuf(stdin, NULL);

                if (kbhit())

                   {

                        gotoxy(0, N+2);

                        ch = getche();

                    }

                 snake = Move(snake, ch, &len); 

                 if (Block(snake[0])==1) 

                  {

                        gotoxy(N+2, N+2);

                        puts("你输了");

                        File_out();

                        Free(snake, len);

                        getche();

                        exit(0); 

                  }                        

        }

        Free(snake, len);

        exit(0);

}