cmd版贪吃蛇

不知多少年前写的
发出来玩玩算了

/************************************************************************************/
// 方向键控制蛇方向
// q键退出
/************************************************************************************/

#include 
#include 
#include 

#define KEYDOWN(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 1 : 0)
#define KEYUP(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 0 : 1)

#define width 78                //宽度
#define height 24               //高度
#define gamespeed 20            //游戏速度

struct gamestrcut
{
    enum res
    {
        null,                   //空
        snakebody,              //蛇身体
        wood,                   //木箱
        food,                   //食物
    };
    res type;                   //类型
    long time;                  //仅限蛇身用，用来计算蛇长
};

gamestrcut map[width][height];  //地图

char snakehead[4];  //x,y,direct,length //x轴位置，y轴位置，前进方向，蛇长

void main()
{
    printf("操作方式：\n");
    printf("方向键控制蛇方向，Q键退出\n");
    printf("回车开始游戏\n");
    getchar();
    srand(time(0));             //设置随机数
    ZeroMemory(map, sizeof(map));
    ZeroMemory(snakehead, sizeof(snakehead));
    //设置木箱
    for (unsigned long w = 0; w < width; ++w)
    {
        map[w][0].type = gamestrcut::wood;
        map[w][height-1].type = gamestrcut::wood;
    }
    for (unsigned long h = 0; h < height; ++h)
    {
        map[0][h].type = gamestrcut::wood;
        map[width-1][h].type = gamestrcut::wood;
    }
    //设置蛇数据
    snakehead[0] = width / 2;
    snakehead[1] = height / 2;
    snakehead[2] = 0;
    snakehead[3] = 2;
    map[snakehead[0]][snakehead[1]].type = gamestrcut::snakebody;
    map[snakehead[0]][snakehead[1]].time = snakehead[3];
    //提前生成一个食物
    {
        do
        {
            unsigned long x = ((float)rand() / RAND_MAX) * width;
            unsigned long y = ((float)rand() / RAND_MAX) * height;
            if (map[x][y].type == gamestrcut::null)
            {
                map[x][y].type = gamestrcut::food;
                break;
            }
        } while (true);
    }
    do
    {
        //取按下键状态，该循环是为了提高灵敏度
        for (unsigned long t = 0; t < gamespeed;++t)
        {
            Sleep(1);
            if (KEYDOWN(VK_UP))
            {
                if (snakehead[2] != 3)
                    snakehead[2] = 1;
            }
            else if (KEYDOWN(VK_RIGHT))
            {
                if (snakehead[2] != 4)
                    snakehead[2] = 2;
            }
            else if (KEYDOWN(VK_DOWN))
            {
                if (snakehead[2] != 1)
                    snakehead[2] = 3;
            }
            else if (KEYDOWN(VK_LEFT))
            {
                if (snakehead[2] != 2)
                    snakehead[2] = 4;
            }
            else if (KEYDOWN('Q'))
            {
                goto end;
            }
        }
        //控制蛇头
        switch (snakehead[2])
        {
            case 1:
                --snakehead[1];
                break;
            case 2:
                ++snakehead[0];
                break;
            case 3:
                ++snakehead[1];
                break;
            case 4:
                --snakehead[0];
                break;
            default:
                break;
        }
        //各种控制反应
        switch (map[snakehead[0]][snakehead[1]].type)
        {
            case gamestrcut::null:
                map[snakehead[0]][snakehead[1]].type = gamestrcut::snakebody;
                map[snakehead[0]][snakehead[1]].time = snakehead[3];
                break;
            case gamestrcut::snakebody:
                if (snakehead[2] != 0)
                    goto end;
                break;
            case gamestrcut::food:
                map[snakehead[0]][snakehead[1]].type = gamestrcut::snakebody;
                map[snakehead[0]][snakehead[1]].time = snakehead[3];
                ++snakehead[3];
                for (unsigned long s = 0; s < sizeof(map) / sizeof(map[0]); ++s)
                {
                    if (((gamestrcut*)map)[s].type == gamestrcut::snakebody)
                        ++((gamestrcut*)map)[s].time;
                }
                for (unsigned long i = 0; i < width; ++i)
                {
                    for (unsigned long j = 0; j < height; j++)
                    {
                        if (map[i][j].type == gamestrcut::snakebody)
                        {
                            ++map[i][j].time;
                        }
                    }
                }
                break;
            case gamestrcut::wood:
                goto end;
                break;
            default:
                break;
        }
        //刷新食物

        {
            static char foodfresh;
            ++foodfresh;
            do
            {
                if (foodfresh <= 10)
                    break;
                foodfresh = 0;
                unsigned long x = ((float)rand() / RAND_MAX) * width;
                unsigned long y = ((float)rand() / RAND_MAX) * height;
                if (map[x][y].type == gamestrcut::null)
                {
                    map[x][y].type = gamestrcut::food;
                    break;
                }
            } while (true);
        }

        //刷新蛇身
        for (unsigned long i = 0; i < width; ++i)
        {
            for (unsigned long j = 0; j < height; j++)
            {
                if (snakehead[2] == 0)
                    break;
                if (map[i][j].type == gamestrcut::snakebody)
                {
                    --map[i][j].time;
                    if (map[i][j].time <= 0)
                        map[i][j].type = gamestrcut::null;
                }
            }
        }
        //屏幕输出
        system("cls");
        for (unsigned long i = 0; i < height; ++i)
        {
            char line[width + 3];
            for (unsigned long j = 0; j < width; ++j)
            {
                switch (map[j][i].type)
                {
                    case gamestrcut::null:
                        line[j] = ' ';
                        break;
                    case gamestrcut::snakebody:
                        line[j] = 'S';
                        break;
                    case gamestrcut::food:
                        line[j] = 'F';
                        break;
                    case gamestrcut::wood:
                        line[j] = 'W';
                        break;
                    default:
                        line[j] = '!';
                        break;
                }
            }
            line[width] = 0x0D;
            line[width + 1] = 0x0A;
            line[width + 2] = 0;
            printf(line);
        }
    } while (true);
end:
    printf("你的分数是：%d\n",(long)snakehead[3] - 2);
    getchar();
    return;
}