#include<stdio.h>
#include<stdlib.h>
#include<Windows.h>
#include<time.h>
#include<conio.h>
constexpr auto maphigh = 28, mapwide = 84;
struct virus
{
int x;
int y;
}virus;
unsigned short snakesize = 50, speed = 300, len = 4;
struct snake
{
int x[50];
int y[50];
int len;//蛇的长度
int speed;//蛇的速度
}snake;
int key = 'w';//初始化方向
void gotoxy(int x, int y);
void drawmap();
void keydown();
void creatvirus();
int snakestatus();
void startgame();
int menuselect();
void goodbye();
void introduce();
void edition();
int setup();
void respect();
int setup1();
int modifydiffculty();
void diffculty();
int customize();
void customize1();
int main()
{
for (;;)
{
system("cls");//清屏
switch (menuselect())
{
case 1://开始游戏
startgame();
break;
case 2://介绍
introduce();
break;
case 3://版本
edition();
break;
case 4://设置
setup1();
break;
case 5:
goodbye();
return 0;
default:
break;
}
}
}
void drawmap()//1.画地图
{
//⊙:病毒 █：蛇身(占用两个字符）
srand((unsigned int)time(NULL));//随机病毒出现的位置
int i, k;
for (i = 0; i <= maphigh; i++)
{
gotoxy(0, i);
printf("█");//打印左边框
gotoxy(mapwide, i);
printf("█");//打印右边框
}
for (i = 0; i <= mapwide; i += 2)//+=2因为 █占两个字节
{
gotoxy(i, 0);
printf("█");//打印下边框
gotoxy(i, maphigh);
printf("█");//打印上边框
}
//画蛇
snake.len = len;
snake.speed = speed;
//初始化蛇的位置
snake.x[0] = mapwide / 2;
snake.y[0] = maphigh / 2;//[0]为蛇头的位置
//画蛇头
gotoxy(snake.x[0], snake.y[0]);
printf("█");
//画蛇身
for (k = 1; k < snake.len; k++)
{
snake.x[k] = snake.x[k - 1] + 2;
snake.y[k] = snake.y[k - 1];
gotoxy(snake.x[k], snake.y[k]);
printf("█");
}
while (1)
{
virus.x = rand() % (mapwide - 4) + 2;//+2,+1这个与█所占的字符有关，长占两个字符宽1个
virus.y = rand() % (maphigh - 2) + 1;//画个图，显而易见
if (virus.x % 2 == 0)
break;
}
gotoxy(virus.x, virus.y);
printf("⊙");
gotoxy(mapwide + 4, maphigh);
printf("⊙:%d", snakesize - snake.len);
}
void creatvirus()//2.产生病毒
{
if (snake.x[0] == virus.x && snake.y[0] == virus.y)
{
//printf("\a");//声音
snake.len++;
srand((unsigned)time(NULL));
while (1)
{
int flag = 1;
virus.x = rand() % (mapwide - 4) + 2;//+2,+1这个与█所占的字符有关，长占两个字符宽1个
virus.y = rand() % (maphigh - 2) + 1;//画个图，显而易见
//产生的病毒不能在蛇的身上
for (int k = 0; k < snake.len; k++)
{
if (snake.x[k] == virus.x && snake.y[k] == virus.y)
{
flag = 0;//virus不合适的标志
break;
}
}
if (flag == 1 && virus.x % 2 == 0)//病毒位置合法且x坐标为偶数
{//x左右是以两个字节为单位运动的，若virus的x坐标为奇数，就不存在snake.x[k] == virus.x
break;
}
}
}
gotoxy(virus.x, virus.y);
printf("⊙");
gotoxy(mapwide + 8, 0);//将光标移走
printf("W");
gotoxy(mapwide + 6, 1);
printf("A S D \t进行控制");
gotoxy(mapwide + 4, maphigh);
printf("⊙:%d", snakesize - snake.len);
}
void keydown()//3.按键
{
int i, temp;
if (_kbhit()) //kbhit函数检查当前是否有键盘输入，若有则返回一个非0值，否则返回0
{
fflush(stdin);// 清空输入缓冲区，通常是为了确保不影响后面的数据读取
temp = _getch();//getch:从控制台读取一个字符，但不显示在屏幕上
if ((temp == 'a' || temp == 'A') && (key != 'D' && key != 'd'))//解决了按反方向键蛇自杀的问题
{
key = temp;
}
if ((temp == 'w' || temp == 'W') && (key != 's' && key != 'S'))
{
key = temp;
}
if ((temp == 's' || temp == 'S') && (key != 'W' && key != 'w'))
{
key = temp;
}
if ((temp == 'D' || temp == 'd') && (key != 'a' && key != 'A'))
{
key = temp;
}
}
//擦除最后一节
gotoxy(snake.x[snake.len - 1], snake.y[snake.len - 1]);
printf(" ");
for (i = snake.len - 1; i > 0; i--)
{
snake.x[i] = snake.x[i - 1];//以前1的位置现在变成了2，0变成了1
snake.y[i] = snake.y[i - 1];
}
switch (key)//最后一节已经擦出，前移后0,1位置重合,左上角坐标为0，0
{
case'w':
case'W':
snake.y[0]--;
break;
case's':
case'S':
snake.y[0]++;
break;
case'a':
case'A':
snake.x[0] -= 2;
break;
case'd':
case'D':
snake.x[0] += 2;
break;
}
gotoxy(snake.x[0], snake.y[0]);
printf("█");
gotoxy(mapwide + 2, 0);//将光标移走
}
int snakestatus()//4.蛇的状态
{
if ((snake.x[0] == 0 || snake.x[0] == mapwide) || (snake.y[0] == 0 || snake.y[0] == maphigh))
return 0;
for (int k = 1; k < snake.len; k++)
{
if (snake.x[0] == snake.x[k] && snake.y[0] == snake.y[k])
return 0;
}
return 1;
}
void gotoxy(int x, int y)
{//1.找到控制台这个窗口
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
/*HANDLE为句柄 ↑得到（输出窗口的）句柄。
Windows是一个以虚拟内存为基础的操作系统，很多时候，
进程的代码和数据并不全部装入内存，进程的某一段装入内存后，
还可能被换出到外存，当再次需要时，再装入内存。两次装入的地址绝大多数情况下是不一样的。
也就是说，同一对象在内存中的地址会变化。那么，程序怎么才能准确地访问到对象呢？为了解决这个问题，Windows引入了句柄。
数值上，是一个32位无符号整型值（32位系统下）；逻辑上，相当于指针的指针；形象理解上，是Windows中各个对象的一个唯一的、固定不变的ID；
作用上，Windows使用句柄来标识诸如窗口、位图、画笔等对象，并通过句柄找到这些对象。*/
//2.设置光标
COORD coord;
/*COORD 为Windows.h中自带函数原型大体为struct _coord{short x;short y;}coord;*/
coord.X = x;
coord.Y = y;
//4.同步到控制台SetConsoleCursorPosition
SetConsoleCursorPosition(handle, coord);//定位到handle这个窗口，把光标打在coord坐标
}
void startgame()
{
system("cls");
drawmap();
while (1)
{
creatvirus();
keydown();
Sleep(snake.speed);//void sleep(int seconds)自带函数参数 seconds 为要暂停的毫秒数。
if (!snakestatus())//判断死亡时snakestaus为0,
{
gotoxy(mapwide / 2, maphigh / 2);
printf("Game Over");
getchar();
getchar();
break;
}
if (snake.len == snakesize)
{
gotoxy(mapwide / 3, maphigh / 2);
printf("恭喜您消灭了全部病毒，胜利(＾－＾)V");
getchar();
respect();
break;
}
}
}
int menuselect()
{
char number;
int a;
printf("\n\n\t\t\t\t\t\t1.开始游戏\n");
printf("\n\t\t\t\t\t\t2.游戏介绍\n");
printf("\n\t\t\t\t\t\t3.游戏版本\n");
printf("\n\t\t\t\t\t\t4.设置\n");
printf("\n\t\t\t\t\t\t5.退出游戏\n");
printf("\n\t\t\t\t\t\t请选择（数字）");
while (1)
{
number = getchar();
a = (int)number - 48;
if (number <= '5' && number >= '1')
return a;
printf("\n\t\t\t\t\t\t\t ");
}
}
void goodbye()
{
system("cls");
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY | FOREGROUND_RED);//设置红色
gotoxy(0, 12);
printf("\t\t\t\t\t\t谢谢使用！再见！\n");
getchar();
getchar();
}
void respect()
{
system("cls");
gotoxy(0, 4);
printf("\t\t*在此向全国的医护人员表示敬意*\n\n");
Sleep(1000);
printf("\t\t*感谢他们的默默付出*\n\n");
Sleep(1000);
printf("\t\t*感谢他们对抗击疫情做出的贡献*\n\n");
Sleep(1000);
printf("\t\t*此致*\n\n");
printf("\t\t* 敬礼 *\n\n");
Sleep(2000);
getchar();
}
void introduce()
{
system("cls");
gotoxy(0, 4);
printf("\t\t\t\t 游戏规则 \n\n");
printf("\t\t\t\t2020年新冠病毒肆虐，威胁着人类\n\n");
printf("\t\t\t\t玩家将控制蛇消灭随机出现的病毒⊙\n\n");
printf("\t\t\t\t消灭所有病毒即可获得胜利。\n\n");
printf("\n\n\n\n\n");
printf("\t\t\t\t\tEnter返回主菜单");
getchar();
getchar();
}
void edition()
{
system("cls");
gotoxy(0, 4);
printf("\t\t\t\t*********************************************\n\n");
printf("\t\t\t\t* 欢 迎 *\n\n");
printf("\t\t\t\t* 版本号： 1.2 *\n\n");
printf("\t\t\t\t* 更新：1.修复了反方向自杀的问题 *\n\n");
printf("\t\t\t\t* 2.修复了蛇吃墙的问题 *\n\n");
printf("\t\t\t\t* 3.新增了菜单与设置功能 *\n\n");
printf("\t\t\t\t* 4.修改了部分整形变量节省空间 *\n\n");
printf("\t\t\t\t*********************************************\n\n");
printf("\t\t\t\t\tEnter返回主菜单");
getchar();
getchar();
}
int setup()
{
//system("color 6f"); //第一个为背景色，第二个为字体颜色
/*0 = 黑色 8 = 灰色
1 = 蓝色 9 = 淡蓝色
2 = 绿色 A = 淡绿色
3 = 湖蓝色 B = 淡浅绿色
4 = 红色 C = 淡红色
5 = 紫色 D = 淡紫色
6 = 黄色 E = 淡黄色
7 = 白色 F = 亮白色*/
char s;
int a;
system("cls");
printf("\n\n\t\t\t\t\t\t1.修改难度\n");
printf("\n\t\t\t\t\t\t2.自义定设置\n");
printf("\n\t\t\t\t\t\t3.颜色设置\n");
printf("\n\t\t\t\t\t\t4.音效设置\n");
printf("\n\t\t\t\t\t\t5.返回\n");
printf("\n\t\t\t\t\t\t请选择（数字）");
while (1)
{
s = getchar();
a = (int)s - 48;
if (s <= '5' && s >= '1')
return a;
printf("\n\t\t\t\t\t\t\t ");
}
}
int setup1()
{
switch (setup())
{
case 1:
diffculty();
break;
case 2:
customize1();
break;
default:
break;
}
return 0;
}
int modifydiffculty()
{
char s;
int a;
system("cls");
printf("\n\n\t\t\t\t\t\t1.简单\n");
printf("\n\t\t\t\t\t\t2.普通\n");
printf("\n\t\t\t\t\t\t3.困难\n");
printf("\n\t\t\t\t\t\t4.修罗地狱\n");
printf("\n\t\t\t\t\t\t请选择（数字）");
while (1)
{
s = getchar();
a = (int)s - 48;
if (s <= '4' && s >= '1')
return a;
printf("\n\t\t\t\t\t\t\t ");
}
}
void diffculty()
{
switch (modifydiffculty())
{
case 1:
len = 4;
speed = 500;
snakesize = 10;
system("cls");
gotoxy(8, 8);
printf("\t\t\t\t\t\t 修改成功！\n");
printf("\t\t\t\t\t\t \n");
system("pause");
break;
case 2:
len = 4;
speed = 300;
snakesize = 25;
system("cls");
gotoxy(8, 8);
printf("\t\t\t\t\t\t 修改成功！\n");
printf("\t\t\t\t\t\t \n");
system("pause");
break;
case 3:
len = 4;
speed = 70;
snakesize = 50;
system("cls");
gotoxy(8, 8);
printf("\t\t\t\t\t\t 修改成功！\n");
printf("\t\t\t\t\t\t \n");
system("pause");
break;
case 4:
len = 4;
speed = 25;
snakesize = 70;
system("cls");
gotoxy(8, 8);
printf("\t\t\t\t\t\t 修改成功！\n");
printf("\t\t\t\t\t\t \n");
system("pause");
break;
default:
break;
}
}
int customize()
{
char s;
int a;
system("cls");
printf("\n\n\t\t\t\t\t\t1.自定义速度\n");
printf("\n\t\t\t\t\t\t2.自定义初始长度\n");
printf("\n\t\t\t\t\t\t请选择（数字）");
while (1)
{
s = getchar();
a = (int)s - 48;
if (s <= '2' && s >= '1')
return a;
printf("\n\t\t\t\t\t\t\t ");
}
}
void customize1()
{
int s;
switch (customize())
{
case 1://自定义速度
system("cls");
gotoxy(8, 8);
printf("\t\t\t\t请输入速度(1-999)");
scanf_s("%d", &s);
speed = (1000 - s);
break;
case 2:
system("cls");
gotoxy(8, 8);
printf("\t\t\t\t请输入初始长度：");
scanf_s("%d", &s);
len = s;
break;
default:
break;
}
}
