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Littlefisher619 authored Apr 3, 2019
1 parent a8221e8 commit bc4edc9
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209 changes: 209 additions & 0 deletions gobang.h
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#include <stdio.h>
#include <string.h>
#include<windows.h>
#include "message.h"
#define SIZE 20

int board[SIZE][SIZE];//0-* 1-O
int history[400][3]={0},num=0;//record whlch step who go while one
int isBlackMove=1;//if it is the time for black one to play, flag=0, or flag=1
int isBlackTheWinner=0;
int isBlackIdentity=0;
extern void draw(); //绘制棋盘
extern int pending_win (int x ,int y); //judge whether someone can win
extern int pending_legal(int x,int y); //judging whether put the chess here is legal
extern void insert(int x,int y); //put the chess into the board
extern void output(int x,int y);
extern void back(int history [][3],int num);//悔棋
extern void record (int x,int y,int num);
extern void resetBoard(void);
extern int play(int x,int y);
extern int onLocalUndoClick(int y,int x);
extern int onLocalSurrenderClick(int x,int y);
extern int isLegalMove(int y,int x);
extern void setIsBlackMove(int x);
void flipIsBlackMove();
void setIsBlackMove(int x);
void pos(int x,int y);
void setIsBlackMove(int x){
isBlackMove=x;
}
void flipIsBlackMove(){
isBlackMove=1-isBlackMove;
}
int isLegalMove(int y,int x){
return (board[x][y]==-1);
}
int onLocalSurrenderClick(int x,int y){
pos(25,2);
if(isBlackMove==1) puts(MESSAGE_WHITE_WIN);
else puts(MESSAGE_BLACK_WIN);
return 0;
}
void resetBoard(void) //棋盘预处理
{
int i,j;
for(i=0;i<SIZE;i++)
for(j=0;j<SIZE;j++)
board[i][j]=-1;
draw();
}
int onLocalUndoClick(int y,int x){
if(num>=2)
{
back(history,--num);
back(history,--num);
draw();
}
else
{
pos(25,2);
puts(MESSAGE_UNDO_NOTHING);
}
}
int play(int y,int x)
{

y--;
x--;
if(board[x][y]!=-1){
pos(25,2);
puts(MESSAGE_ILLEGAL_MOVE);
return CONTINUE_SIGNAL;
}

record(x,y,num++);//record the step now
insert(x,y); //put the chess into the board
flipIsBlackMove();
draw();
if (pending_win(x,y))
{
pos(25,2);
if(isBlackMove==1)isBlackTheWinner=0;
else isBlackTheWinner=1;
puts(isBlackTheWinner?MESSAGE_BLACK_WIN:MESSAGE_WHITE_WIN);
return GAMEOVER_SIGNAL;
}
return CONTINUE_SIGNAL;
}

void record (int x,int y,int num)
{
history[num][0]=x;
history[num][1]=y;
}
void draw()
{
pos(0,0);
int i;
puts(" ABCDEFGHIJKLMNOPQRST");//绘制棋盘列标格
for(i=0; i<SIZE; i++)
{
putchar(i+65);
if (i == 0) // 第1行
{
if (board[i][0] < 0)
putchar('.');
else output(i,0);
int j;
for (j = 1; j < SIZE-1; j++)
if (board[i][j] < 0)
putchar('.');
else output(i,j);
if (board[i][j] < 0)
putchar('.');
else output(i,j);
putchar('\n');
}

else if (i>=1 && i<SIZE-1) //第2-19行
{
if (board[i][0] < 0)
putchar('.');
else output(i,0);
int j;
for (j = 1; j < SIZE-1; j++)
if (board[i][j] < 0)
putchar('.');
else output(i,j);
if (board[i][j] < 0)
putchar('.');
else output(i,j);
putchar('\n');
}

else // 第20行
{
if (board[i][0] < 0)
putchar('.');
else output(i,0);
int j;
for (j = 1; j < SIZE-1; j++)
if (board[i][j] < 0)
putchar('.');
else output(i,j);
if (board[i][j] < 0)
putchar('.');
else output(i,j);
putchar('\n');
}
}
}

void back(int history[][3],int num)
{

int x=history[num][0],y=history[num][1];

pos(25,2);
//printf("[%c] (%c,%c) Undo OK! ",(board[x][y]==0)?'*':'0',y+65,x+65);
puts(MESSAGE_UNDO_OK);
board[x][y]=-1;
}

void insert(int x,int y)
{
pos(25,2);
printf(MESSAGE_LASTMOVE_FORMAT,isBlackMove?'O':'*',y+65,x+65);
board[x][y]=isBlackMove?1:0;


}

void output (int x,int y)
{
putchar(board[x][y]==0?'O':'*');
}


int pending_win (int x ,int y)
{
int ch=board[x][y];
if (isBlackMove==0) ch=0;
else ch=1;
//竖着五连
if(x-4>=0&&board[x-1][y]==ch&&board[x-2][y]==ch&&board[x-3][y]==ch&&board[x-4][y]==ch) return 1;
if(x-3>=0&&board[x+1][y]==ch&&board[x-1][y]==ch&&board[x-2][y]==ch&&board[x-3][y]==ch&&x+1<SIZE) return 1;
if(x-2>=0&&board[x+2][y]==ch&&board[x+1][y]==ch&&board[x-1][y]==ch&&board[x-2][y]==ch&&x+2<SIZE) return 1;
if(x-1>=0&&board[x+3][y]==ch&&board[x+2][y]==ch&&board[x+1][y]==ch&&board[x-1][y]==ch&&x+3<SIZE) return 1;
if(board[x+4][y]==ch&&board[x+3][y]==ch&&board[x+2][y]==ch&&board[x+1][y]==ch&&x+4<SIZE) return 1;
//横着五连
if(y-4>=0&&board[x][y-1]==ch&&board[x][y-2]==ch&&board[x][y-3]==ch&&board[x][y-4]==ch) return 1;
if(y-3>=0&&y+1<SIZE&&board[x][y+1]==ch&&board[x][y-1]==ch&&board[x][y-2]==ch&&board[x][y-3]==ch) return 1;
if(y-2>=0&&y+2<SIZE&&board[x][y+2]==ch&&board[x][y+1]==ch&&board[x][y-1]==ch&&board[x][y-2]==ch) return 1;
if(y-1>=0&&y+3<SIZE&&board[x][y+3]==ch&&board[x][y+2]==ch&&board[x][y+1]==ch&&board[x][y-1]==ch) return 1;
if(y+4<SIZE&&board[x][y+4]==ch&&board[x][y+3]==ch&&board[x][y+2]==ch&&board[x][y+1]==ch) return 1;
//斜连
if( x-4>=0&&y+4<SIZE&&board[x-1][y+1]==ch&&board[x-2][y+2]==ch&&board[x-3][y+3]==ch&&board[x-4][y+4]==ch) return 1;
if(x-3>=0&&y+3<SIZE&&x+1<SIZE&&y-1>=0&&board[x+1][y-1]==ch&&board[x-1][y+1]==ch&&board[x-2][y+2]==ch&&board[x-3][y+3]==ch) return 1;
if(x-2>=0&&y+2<SIZE&&x+2<SIZE&&y-2>=0&&board[x+2][y-2]==ch&&board[x+1][y-1]==ch&&board[x-1][y+1]==ch&&board[x-2][y+2]==ch) return 1;
if(x-1>=0&&y+1<SIZE&&x+3<SIZE&&y-3>=0&&board[x+3][y-3]==ch&&board[x+2][y-2]==ch&&board[x+1][y-1]==ch&&board[x-1][y+1]==ch) return 1;
if( x+4<SIZE&&y-4>=0&&board[x+4][y-4]==ch&&board[x+3][y-3]==ch&&board[x+2][y-2]==ch&&board[x+1][y-1]==ch) return 1;

if( x+4<SIZE&&y+4<SIZE&&board[x+1][y+1]==ch&&board[x+2][y+2]==ch&&board[x+3][y+3]==ch&&board[x+4][y+4]==ch) return 1;
if(x+3<SIZE&&y+3<SIZE&&x-1>=0&&y-1>=0&&board[x-1][y-1]==ch&&board[x+1][y+1]==ch&&board[x+2][y+2]==ch&&board[x+3][y+3]==ch) return 1;
if(x+2<SIZE&&y+2<SIZE&&x-2>=0&&y-2>=0&&board[x-2][y-2]==ch&&board[x-1][y-1]==ch&&board[x+1][y+1]==ch&&board[x+2][y+2]==ch) return 1;
if(x+1<SIZE&&y+1<SIZE&&x-3>=0&&y-3>=0&&board[x-3][y-3]==ch&&board[x-2][y-2]==ch&&board[x-1][y-1]==ch&&board[x+1][y+1]==ch) return 1;
if( x-4>=0&&y-4>=0&&board[x-4][y-4]==ch&&board[x-3][y-3]==ch&&board[x-2][y-2]==ch&&board[x-1][y-1]==ch) return 1;
return 0;
}
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