C写的贪吃蛇

支持win和linux

#include<stdio.h>
#include<stdlib.h>
#ifdef    WIN32
#include<conio.h>
#include<windows.h>
#else
#include<termios.h>
#include<unistd.h>
#include<fcntl.h>
#endif
#define    W    80
#define    H    30
#define    L    (H*W)
#define    A    10
#ifdef    WIN32
#define    T    200
#else
#define    T    (200*1000)
#endif
char x[W][H]={0};
int dx=0,dy=-1;
struct q{
    int x,y;
};
struct snake{
    struct q q[L];
    int l,r;
}snake;
#ifndef    WIN32
int kbhit(){
    struct termios oldt,newt;
    int c;
    int oldf;
    tcgetattr(STDIN_FILENO,&oldt);
    newt=oldt;
    newt.c_lflag&=~(ICANON|ECHO);
    tcsetattr(STDIN_FILENO,TCSANOW,&newt);
    oldf=fcntl(STDIN_FILENO,F_GETFL,0);
    fcntl(STDIN_FILENO,F_SETFL,oldf|O_NONBLOCK);
    c=getchar();
    tcsetattr(STDIN_FILENO,TCSANOW,&oldt);
    fcntl(STDIN_FILENO,F_SETFL,oldf);
    if(c!=EOF){
        ungetc(c,stdin);
        return 1;
    }
    return 0;
}
#endif
void init(){
#ifdef    WIN32
    char a[100];
    sprintf(a,"mode con cols=%d lines=%d",W,H);
    system(a);
    CONSOLE_CURSOR_INFO cci;
    GetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE),&cci);
    cci.bVisible=0;
    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE),&cci);
#else
    char a[100];
    sprintf(a,"resize -s %d %d",H,W);
    system(a);
    printf("\033[2J");
    printf("\033[?25l");
    system("stty -echo");
#endif
}
void quit(){
#ifndef    WIN32
    printf("\033[%d;%dH",0,0);
    printf("\033[2J");
    printf("\033[?25h");
    system("stty echo");
#endif
}
void print(int x,int y,char a[]){
#ifdef    WIN32
    COORD coord;
    coord.X=x;
    coord.Y=y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
#else
    printf("\033[%d;%dH",y,x);
#endif
    printf(a);
}
void clr(){
    while(kbhit()){
#ifdef    WIN32
        getch();
#else
        getchar();
#endif
    }
}
void control(){
    char c;
    if(!kbhit()){
        return;
    }
#ifdef    WIN32
    c=getch();
    if(c!=-32){
        clr();
        return;
    }
    c=getch();
    if(c!=72&&c!=80&&c!=75&&c!=77){
        clr();
        return;
    }
#else
    c=getchar();
    if(c!=27){
        clr();
        return;
    }
    c=getchar();
    if(c!=91){
        clr();
        return;
    }
    c=getchar();
    if(c!=65&&c!=66&&c!=68&&c!=67){
        clr();
        return;
    }
#endif
    switch(c){
#ifdef    WIN32
        case 72:
#else
        case 65:
#endif
            if(dx==0&&dy==1){
                break;
            }
            dx=0;
            dy=-1;
            break;
#ifdef    WIN32
        case 80:
#else
        case 66:
#endif
            if(dx==0&&dy==-1){
                break;
            }
            dx=0;
            dy=1;
            break;
#ifdef    WIN32
        case 75:
#else
        case 68:
#endif
            if(dx==1&&dy==0){
                break;
            }
            dx=-1;
            dy=0;
            break;
#ifdef    WIN32
        case 77:
#else
        case 67:
#endif
            if(dx==-1&&dy==0){
                break;
            }
            dx=1;
            dy=0;
            break;
    }
    clr();
}
void food(){
    int i,j;
    while(1){
        i=rand()%W;
        j=rand()%H;
        if(x[i][j]!=0){
            continue;
        }
        x[i][j]=-1;
        print(i,j,"0");
        break;
    }
}
void run(){
    int i;
    int ax,ay;
    snake.l=snake.r=0;
    snake.q[snake.r].x=rand()%W;
    snake.q[snake.r].y=rand()%H;
    x[snake.q[snake.r].x][snake.q[snake.r].y]=1;
    print(snake.q[snake.r].x,snake.q[snake.r].y,"1");
    snake.r=(snake.r+1)%L;
    for(i=0;i<A;i++)
    {
        food();
    }
    while(1){
        control();
        ax=snake.q[snake.r-1].x+dx;
        ay=snake.q[snake.r-1].y+dy;
        if(ax<0||ay<0||ax>W-1||ay>H-1||x[ax][ay]==1){
            print(0,0,"WA");
            getchar();
            quit();
            return;
        }
        if(x[ax][ay]!=-1){
            x[snake.q[snake.l].x][snake.q[snake.l].y]=0;
            print(snake.q[snake.l].x,snake.q[snake.l].y," ");
            snake.l=(snake.l+1)%L;
        }
        snake.q[snake.r].x=ax;
        snake.q[snake.r].y=ay;
        x[snake.q[snake.r].x][snake.q[snake.r].y]=1;
        print(snake.q[snake.r].x,snake.q[snake.r].y,"1");
        snake.r=(snake.r+1)%L;
        if(snake.r-snake.l>A){
            print(0,0,"AC");
            getchar();
            quit();
            return;
        }
#ifdef    WIN32
        Sleep(T);
#else
        usleep(T);
#endif
    }
}
int main(){
    init();
    run();
    return 0;
}