/*画棋盘上的交叉点*/
void DrawCross(int x,int y)
{
gotoxy(x+MAPXOFT,y+MAPYOFT);
/*交叉点上是一号玩家的棋子*/
if(gChessBoard[x][y]==CHESS1)
{
textcolor(LIGHTBLUE);
putch(CHESS1);
return;
}
/*交叉点上是二号玩家的棋子*/
if(gChessBoard[x][y]==CHESS2)
{
textcolor(LIGHTBLUE);
putch(CHESS2);
return;
}
textcolor(GREEN);
/*左上角交叉点*/
if(x==0&&y==0)
{
putch(CROSSLU);
return;
}
/*左下角交叉点*/
if(x==0&&y==18)
{
putch(CROSSLD);
return;
}
/*右上角交叉点*/
if(x==18&&y==0)
{
putch(CROSSRU);
return;
}
/*右下角交叉点*/
if(x==18&&y==18)
{
putch(CROSSRD);
return;
}
/*左边界交叉点*/
if(x==0)
{
putch(CROSSL);
return;
}
/*右边界交叉点*/
if(x==18)
{
putch(CROSSR);
return;
}
/*上边界交叉点*/
if(y==0)
{
putch(CROSSU);
return;
}
/*下边界交叉点*/
if(y==18)
{
putch(CROSSD);
return;
}
/*棋盘中间的交叉点*/
putch(CROSS);
}
/*交换行棋方*/
int ChangeOrder(void)
{
if(gPlayOrder==CHESS1)
gPlayOrder=CHESS2;
else
gPlayOrder=CHESS1;
return(gPlayOrder);
}
/*获取按键值*/
int GetKey(void)
{
char lowbyte;
int press;
while (bioskey(1) == 0)
;/*如果用户没有按键，空循环*/
press=bioskey(0);
lowbyte=press&0xff;
press=press&0xff00 + toupper(lowbyte);
return(press);
}
/*落子错误处理*/
void DoError(void)
{
sound(1200);
delay(50);
nosound();
}
/*赢棋处理*/
void DoWin(int Order)
{
sound(1500);delay(100);
sound(0); delay(50);
sound(800); delay(100);
sound(0); delay(50);
sound(1500);delay(100);
sound(0); delay(50);
sound(800); delay(100);
sound(0); delay(50);
nosound();
textcolor(RED+BLINK);
gotoxy(25,20);
if(Order==CHESS1)
cputs("PLAYER1 WIN!");
else
cputs("PLAYER2 WIN!");
gotoxy(25,21);
cputs(" \\<^+^>/");
getch();
}
/*走棋*/
int ChessGo(int Order,struct point Cursor)
{
/*判断交叉点上有无棋子*/
if(gChessBoard[Cursor.x][Cursor.y]==CHESSNULL)
{
/*若没有棋子, 则可以落子*/
gotoxy(Cursor.x+MAPXOFT,Cursor.y+MAPYOFT);
textcolor(LIGHTBLUE);
putch(Order);
gotoxy(Cursor.x+MAPXOFT,Cursor.y+MAPYOFT);
gChessBoard[Cursor.x][Cursor.y]=Order;
return TRUE;
}
else
return FALSE;
}
/*判断当前行棋方落子后是否赢棋*/
int JudgeWin(int Order,struct point Cursor)
{
int i;
for(i=0;i<4;i++)
/*判断在指定方向上是否有连续5个行棋方的棋子*/
if(JudgeWinLine(Order,Cursor,i))
return TRUE;
return FALSE;
}
/*判断在指定方向上是否有连续5个行棋方的棋子*/
int JudgeWinLine(int Order,struct point Cursor,int direction)
{
int i;
struct point pos,dpos;
const int testnum = 5;
int count;
switch(direction)
{
case 0:/*在水平方向*/
pos.x=Cursor.x-(testnum-1);
pos.y=Cursor.y;
dpos.x=1;
dpos.y=0;
break;
case 1:/*在垂直方向*/
pos.x=Cursor.x;
pos.y=Cursor.y-(testnum-1);
dpos.x=0;
dpos.y=1;
break;
case 2:/*在左下至右上的斜方向*/
pos.x=Cursor.x-(testnum-1);
pos.y=Cursor.y+(testnum-1);
dpos.x=1;
dpos.y=-1;
break;
case 3:/*在左上至右下的斜方向*/
pos.x=Cursor.x-(testnum-1);
pos.y=Cursor.y-(testnum-1);
dpos.x=1;
dpos.y=1;
break;
}
count=0;
for(i=0;i<testnum*2+1;i++)
{
if(pos.x>=0&&pos.x<=18&&pos.y>=0&&pos.y<=18)
{
if(gChessBoard[pos.x][pos.y]==Order)
{
count++;
if(count>=testnum)
return TRUE;
}
else
count=0;
}
pos.x+=dpos.x;
pos.y+=dpos.y;
}
return FALSE;
}
/*移动光标*/
void MoveCursor(int Order,int press)
{
switch(press)
{
case PLAY1UP:
if(Order==CHESS1&&gCursor.y>0)
gCursor.y--;
break;
case PLAY1DOWN:
if(Order==CHESS1&&gCursor.y<18)
gCursor.y++;
break;
case PLAY1LEFT:
if(Order==CHESS1&&gCursor.x>0)
gCursor.x--;
break;
case PLAY1RIGHT:
if(Order==CHESS1&&gCursor.x<18)
gCursor.x++;
break;
case PLAY2UP:
if(Order==CHESS2&&gCursor.y>0)
gCursor.y--;
break;
case PLAY2DOWN:
if(Order==CHESS2&&gCursor.y<18)
gCursor.y++;
break;
case PLAY2LEFT:
if(Order==CHESS2&&gCursor.x>0)
gCursor.x--;
break;
case PLAY2RIGHT:
if(Order==CHESS2&&gCursor.x<18)
gCursor.x++;
break;
}
gotoxy(gCursor.x+MAPXOFT,gCursor.y+MAPYOFT);
}
/*游戏结束处理*/
void EndGame(void)
{
textmode(C80);
}
/*显示当前行棋方*/
void ShowOrderMsg(int Order)
{
gotoxy(6,MAPYOFT+20);
textcolor(LIGHTRED);
if(Order==CHESS1)
cputs("Player1 go!");
else
cputs("Player2 go!");
gotoxy(gCursor.x+MAPXOFT,gCursor.y+MAPYOFT);
}
/*落子正确处理*/
void DoOK(void)
{
sound(500);
delay(70);
sound(600);
delay(50);
sound(1000);
delay(100);
nosound();
}
/*检查用户的按键类别*/
int CheckKey(int press)
{
if(press==ESCAPE)
return KEYEXIT;/*是退出键*/
else
if
( ( press==PLAY1DO && gPlayOrder==CHESS1) ||
( press==PLAY2DO && gPlayOrder==CHESS2)
)
return KEYFALLCHESS;/*是落子键*/
else
if
( press==PLAY1UP || press==PLAY1DOWN ||
press==PLAY1LEFT || press==PLAY1RIGHT ||
press==PLAY2UP || press==PLAY2DOWN ||
press==PLAY2LEFT || press==PLAY2RIGHT
)
return KEYMOVECURSOR;/*是光标移动键*/
else
return KEYINVALID;/*按键无效*/
}