C语言在linux终端下实现2048小游戏：第二版
申屠宏胜
原来我转载过一个机遇ncurses的2048，今天无聊自己手写了一个，看下我的目录结构：
$ tree ../2048/
../2048/
├── 2048.c
├── 2048.h
└── main.c
0 directories, 3 files
2048.h
#ifndef _2048_H
#define _2048_H
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <curses.h>
#include <time.h>
#include <math.h>
#include <termios.h>
#define VK_LEFT (97)
#define VK_UP (119)
#define VK_RIGHT (100)
#define VK_DOWN (115)
#define VK_QUIT (113)
int table[16];
int init();
void show();
int random_position();
void handle(char VK);
int check_zero();
int check_alive();
char getch_from_terminal();
#endif /*<_2048_H>*/2048.c
#include "2048.h"
int init()
{
int id;
for(id=0; id<16; id++)
{
table[id] = 0;
}
table[random_position()] = 1;
return 0;
}
void show()
{
system("clear");
printf("\n\n");
int ix, iz, id;
char ch;
for(ix=0; ix<4; ix++)
{
for(iz=0; iz<4; iz++)
{
id = iz*4 + ix;
printf("%7d", table[id]);
}
printf("\n\n");
}
if(-1 == check_alive())
{
printf("You die!\n");
printf("press <y> to play, <n> to quit\n");
switch_ch:
ch = getchar();
switch(ch)
{
case 'y':
init();
show();
break;
case 'n':
printf("Goodbye! Have a good day!\n");
exit(1);
break;
default:
goto switch_ch;
break;
}
}
}
int random_position()
{
srand( (unsigned)time( NULL ) );
int id;
if(0 == check_zero())
{
while(1)
{
id = rand()%16;
if(table[id] == 0)
{
return id;
}
}
}
}
int check_zero()
{
int id, i, j, ij;
for(id=0; id<16; id++)
{
if(table[id] != 0)
{
if(id == 15)
{
return -1;
}
continue;
}
else
{
return 0;
}
}
}
int check_alive()
{
int id, ix, iz;
if(table[0] == table[1] ||
table[0] == table[4] ||
table[3] == table[2] ||
table[3] == table[7] ||
table[12] == table[13] ||
table[12] == table[8] ||
table[15] == table[14] ||
table[15] == table[11] ||
table[2] == table[3] ||
table[4] == table[8] ||
table[7] == table[11] ||
table[13] == table[14])
{
return 0;
}
for(ix=0; ix<4; ix++)
{
for(iz=0; iz<4; iz++)
{
id = ix*4+iz;
if(table[id] == 0)
{
return 0;
}
if(ix >= 1 && ix <= 2 && iz >=1 && iz <= 2)
{
if(table[id] == table[id-1])
{
return 0;
}
if(table[id] == table[id+1])
{
return 0;
}
if(table[id] == table[id-4])
{
return 0;
}
if(table[id] == table[id+4])
{
return 0;
}
}
}
}
return -1;
}
void handle(char VK)
{
int ix, iz, i, id;
switch(VK)
{
case VK_UP:
for(ix=0; ix<4; ix++)
{
loop_VK_UP_1:
for(iz=0; iz<4; iz++)
{
if(table[ix*4+iz] == 0)
{
for(i=iz; i<4; i++)
{
if(i==3)
{
table[ix*4+i] = 0;
}
else
{
table[ix*4+i] = table[ix*4+i+1];
}
}
}
}
for(iz=0; iz<4; iz++)
{
if(table[ix*4+iz] != 0)
{
for(i=0; i<iz; i++)
{
if(table[ix*4+i] == 0)
{
goto loop_VK_UP_1;
}
}
}
}
loop_VK_UP_2:
for(iz=0; iz<3; iz++)
{
if(table[ix*4+iz] == table[ix*4+iz+1])
{
table[ix*4+iz] = table[ix*4+iz] + table[ix*4+iz+1];
for(i=iz+1; i<4; i++)
{
if(i==3)
{
table[ix*4+i] = 0;
}
else
{
table[ix*4+i] = table[ix*4+i+1];
}
}
}
}
for(iz=0; iz<3; iz++)
{
if(table[ix*4+iz] != 0 && table[ix*4+iz] == table[ix*4+iz+1])
{
goto loop_VK_UP_2;
}
}
}
table[random_position()] = 1;
break;
case VK_DOWN:
for(ix=0; ix<4; ix++)
{
loop_VK_DOWN_1:
for(iz=3; iz>=0; iz--)
{
if(table[ix*4+iz] == 0)
{
for(i=iz; i>=0; i--)
{
if(i==0)
{
table[ix*4+i] = 0;
}
else
{
table[ix*4+i] = table[ix*4+i-1];
}
}
}
}
for(iz=3; iz>=0; iz--)
{
if(table[ix*4+iz] != 0)
{
for(i=3; i>iz; i--)
{
if(table[ix*4+i] == 0)
{
goto loop_VK_DOWN_1;
}
}
}
}
loop_VK_DOWN_2:
for(iz=3; iz>=1; iz--)
{
if(table[ix*4+iz] == table[ix*4+iz-1])
{
table[ix*4+iz] = table[ix*4+iz] + table[ix*4+iz-1];
for(i=iz-1; i>=0; i--)
{
if(i==0)
{
table[ix*4+i] = 0;
}
else
{
table[ix*4+i] = table[ix*4+i-1];
}
}
}
}
for(iz=3; iz>=1; iz--)
{
if(table[ix*4+iz] != 0 && table[ix*4+iz] == table[ix*4+iz-1])
{
goto loop_VK_DOWN_2;
}
}
}
table[random_position()] = 1;
break;
case VK_LEFT:
for(iz=0; iz<4; iz++)
{
loop_VK_LEFT_1:
for(ix=0; ix<4; ix++)
{
if(table[ix*4+iz] == 0)
{
for(i=ix; i<4; i++)
{
if(i==3)
{
table[i*4+iz] = 0;
}
else
{
table[i*4+iz] = table[(i+1)*4+iz];
}
}
}
}
for(ix=0; ix<4; ix++)
{
if(table[ix*4+iz] != 0)
{
for(i=0; i<ix; i++)
{
if(table[i*4+iz] == 0)
{
goto loop_VK_LEFT_1;
}
}
}
}
loop_VK_LEFT_2:
for(ix=0; ix<3; ix++)
{
if(table[ix*4+iz] == table[(ix+1)*4+iz])
{
table[ix*4+iz] = table[ix*4+iz] + table[(ix+1)*4+iz];
for(i=ix+1; i<4; i++)
{
if(i==3)
{
table[i*4+iz] = 0;
}
else
{
table[i*4+iz] = table[(i+1)*4+iz];
}
}
}
}
for(ix=0; ix<3; ix++)
{
if(table[ix*4+iz] != 0 && table[ix*4+iz] == table[(ix+1)*4+iz])
{
goto loop_VK_LEFT_2;
}
}
}
table[random_position()] = 1;
break;
case VK_RIGHT:
for(iz=0; iz<4; iz++)
{
loop_VK_RIGHT_1:
for(ix=3; ix>=0; ix--)
{
if(table[iz+ix*4] == 0)
{
for(i=ix; i>=0; i--)
{
if(i==0)
{
table[iz+i*4] = 0;
}
else
{
table[iz+i*4] = table[iz+(i-1)*4];
}
}
}
}
for(ix=3; ix>=0; ix--)
{
if(table[iz+ix*4] != 0)
{
for(i=3; i>ix; i--)
{
if(table[iz+i*4] == 0)
{
goto loop_VK_RIGHT_1;
}
}
}
}
loop_VK_RIGHT_2:
for(ix=3; ix>=1; ix--)
{
if(table[iz+ix*4] == table[iz+(ix-1)*4])
{
table[iz+ix*4] = table[iz+ix*4] + table[iz+(ix-1)*4];
for(i=ix-1; i>=0; i--)
{
if(i==0)
{
table[iz+i*4] = 0;
}
else
{
table[iz+i*4] = table[iz+(i-1)*4];
}
}
}
}
for(ix=3; ix>=1; ix--)
{
if(table[iz+ix*4] != 0 && table[iz+ix*4] == table[iz+(ix-1)*4])
{
goto loop_VK_RIGHT_2;
}
}
}
table[random_position()] = 1;
break;
default:
break;
}
}
char getch_from_terminal()
/*https://blog.csdn.net/Timsley/article/details/51424068*/
{
FILE *input;
FILE *output;
struct termios initial_settings, new_settings;
int inputString;
input = fopen("/dev/tty", "r");
output = fopen("/dev/tty", "w");
if(!input || !output)
{
fprintf(stderr, "Unable to open /dev/tty\n");
exit(1);
}
tcgetattr(fileno(input), &initial_settings);
new_settings = initial_settings;
new_settings.c_lflag &= ~ICANON;
new_settings.c_lflag &= ~ECHO;
new_settings.c_cc[VMIN] = 1;
new_settings.c_cc[VTIME] = 0;
new_settings.c_lflag &= ~ISIG;
if(tcsetattr(fileno(input), TCSANOW, &new_settings) != 0)
{
fprintf(stderr, "Could not set attributes\n");
}
//while(inputString != 'q')
//{
//do
//{
inputString = fgetc(input);
//}while(inputString == '\n' || inputString == '\r');
//return (char )inputString;
//}
tcsetattr(fileno(input), TCSANOW, &initial_settings);
return (char)inputString;
}main.c
#include "2048.h"
/*
64 32 16 8
32 16 8 4
16 8 4 2
8 4 2 1
You die!
press <y> to play, <n> to quit
*/
int main()
{
system("clear");
init();
show();
char ch;
while((ch = getch_from_terminal()) != VK_QUIT)
//while((ch = getchar()) != VK_QUIT)
{
switch(ch)
{
case VK_UP:
handle(VK_UP);
show();
break;
case VK_DOWN:
handle(VK_DOWN);
show();
break;
case VK_LEFT:
handle(VK_LEFT);
show();
break;
case VK_RIGHT:
handle(VK_RIGHT);
show();
break;
case 'q':
exit(1);
break;
default:
printf("<w><s><a><d>\n");
break;
}
}
return 0;
}编译运行：
$ gcc main.c -I . 2048.c
$ ./a.exe
1 2 8 1
32 16 4 2
1 64 32 8
2 1 4 2
You die!
press <y> to play, <n> to quit
Goodbye! Have a good day!
rongtao@DESKTOP-OG70MJ9 ~/2048
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