五子棋游戏（c++源码）

【实例简介】

使用键盘上下左右进行游戏，采用贪心算法，有时限和禁手功能 ，且有最后一步提示 

【实例截图】

【核心代码】

bool Cchess::banchess(bool flag)//禁手算法
{
int x;
int y;
x = Lpoint.x;
y = Lpoint.y;
int edge[2];//边界值
edge[1]=edge[0]=0;//初始化
int vflag,Flag;
bool result = 0;
bool num = 1;//用于抵消一次空子
int total = 0;//计算连子数
int sum = 0;//计数有多少活三，冲四等等
if(flag == 1)
{
vflag = 2;
Flag = 1;
}
else
{
vflag = 1;
Flag = 2;
}

while(edge[0]==0)
{
x--;//竖直方向向上
    if(chessboard[x][y]==0&&num == 1&&x>0&&chessboard[x-1][y]==Flag)
    {
    num = 0; 
    }
    else if(chessboard[x][y] == Flag)
    {
    total ;
if(total>3)
break;
    }
    else if(chessboard[x][y] == vflag||x<0)
    {
    edge[0]=1;
    }
else if(chessboard[x][y]==0&&num == 1&&chessboard[x-1][y] == 0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&x<-1)
{
break;
}
}
x = Lpoint.x;//回归起算点。
while(edge[1]==0)
{
x ;//竖直方向向下
    if(chessboard[x][y]==0&&num == 1&&x<17&&chessboard[x 1][y]==Flag)
    {
    num = 0; 
    }
    else if(chessboard[x][y] == Flag)
    {
    total ;
if(total>3)
break;
    }
    else if(chessboard[x][y] == vflag||x>17)
    {
    edge[1]=1;
    }
else if(chessboard[x][y]==0&&num == 1&&chessboard[x 1][y] == 0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&x>17)
{
break;
}
}
if(total>3)
sum ;
else if(total>2)
sum ;
else if(total==2&&edge[0]==0&&edge[1]==0)
sum ;
if(sum>1)
{
return true;
}

//------------------------------------------------------------------------------
x = Lpoint.x;
y = Lpoint.y;//坐标回归
edge[1]=edge[0]=0;//初始化
num = 1;//用于抵消一次空子
    total = 0;//计算连子数

while(edge[0]==0)
{
y--;//水平方向向左
    if(chessboard[x][y]==0&&num == 1&&y>0&&chessboard[x][y-1]==Flag)
    {
    num = 0; 
    }
    else if(chessboard[x][y] == Flag)
    {
    total ;
if(total>3)
break;
    }
    else if(chessboard[x][y] == vflag||y<0)
    {
    edge[0]=1;
    }
else if(chessboard[x][y]==0&&num == 1&&chessboard[x][y-1] == 0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&y-1<0)
{
break;
}
}
y = Lpoint.y;//回归起算点。
while(edge[1]==0)
{
y ;//竖直方向向下
    if(chessboard[x][y]==0&&num == 1&&y<17&&chessboard[x][y 1]==Flag)
    {
    num = 0; 
    }
    else if(chessboard[x][y] == Flag)
    {
    total ;
if(total>3)
break;
    }
    else if(chessboard[x][y] == vflag||y>17)
    {
    edge[1]=1;
    }
else if(chessboard[x][y]==0&&num == 1&&chessboard[x][y 1] == 0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&y>17)
{
break;
}
}
if(total>3)
sum =2;
else if(total>2)
sum ;
else if(total==2&&edge[0]==0&&edge[1]==0)
sum ;
if(sum>1)
{
return true;
}

//-----------------------------------------------------------------------------------------
x = Lpoint.x;
y = Lpoint.y;//坐标回归
edge[1]=edge[0]=0;//初始化
num = 1;//用于抵消一次空子
    total = 0;//计算连子数
while(edge[0]==0)
{
y--;//斜45°向右上
x ;
    if(chessboard[x][y]==0&&num == 1&&y>0&&x<17&&chessboard[x 1][y-1]==Flag)
    {
    num = 0; 
    }
    else if(chessboard[x][y] == Flag)
    {
    total ;
if(total>3)
break;
    }
    else if(chessboard[x][y] == vflag||y<0||x>17)
    {
    edge[0]=1;
    }
else if(chessboard[x][y]==0&&num == 1&&chessboard[x 1][y-1] == 0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&x>17)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&y-1<0)
{
break;
}
}
x = Lpoint.x;
y = Lpoint.y;//回归起算点。
while(edge[1]==0)
{
x--;
y ;//斜45°向左下
    if(chessboard[x][y]==0&&num == 1&&y<17&&x>0&&chessboard[x-1][y 1]==Flag)
    {
    num = 0; 
    }
    else if(chessboard[x][y] == Flag)
    {
    total ;
if(total>3)
break;
    }
    else if(chessboard[x][y] == vflag||y>17||x<0)
    {
    edge[1]=1;
    }
else if(chessboard[x][y]==0&&num == 1&&chessboard[x-1][y 1] == 0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&x-1<0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&y>17)
{
break;
}
}
if(total>3)
sum =2;
else if(total>2)
sum ;
else if(total==2&&edge[0]==0&&edge[1]==0)
sum ;
if(sum>1)
{
return true;
}

//-----------------------------------------------------------------------------
x = Lpoint.x;
y = Lpoint.y;//坐标回归
edge[1]=edge[0]=0;//初始化
num = 1;//用于抵消一次空子
    total = 0;//计算连子数
while(edge[0]==0)
{
y--;//斜135°向左上
x--;
    if(chessboard[x][y]==0&&num == 1&&y>0&&x>0&&chessboard[x-1][y-1]==Flag)
    {
    num = 0; 
    }
    else if(chessboard[x][y] == Flag)
    {
    total ;
if(total>3)
break;
    }
    else if(chessboard[x][y] == vflag||y<0||x<0)
    {
    edge[0]=1;
    }
else if(chessboard[x][y]==0&&num == 1&&y>0&&x>0&&chessboard[x-1][y-1] == 0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&x-1<0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&y-1<0)
{
break;
}
}
x = Lpoint.x;
y = Lpoint.y;//回归起算点。
while(edge[1]==0)
{
x ;
y ;//右下
    if(chessboard[x][y]==0&&num == 1&&y<17&&x<17&&chessboard[x 1][y 1]==Flag)
    {
    num = 0; 
    }
    else if(chessboard[x][y] == Flag)
    {
    total ;
if(total>3)
break;
    }
    else if(chessboard[x][y] == vflag||y>17||x>17)
    {
    edge[1]=1;
    }
else if(chessboard[x][y]==0&&num == 1&&chessboard[x 1][y 1] == 0)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&y>17)
{
break;
}
else if(chessboard[x][y]==0&&num == 1&&x>17)
{
break;
}
}
if(total>3)
sum =2;
else if(total>2)
sum ;
else if(total==2&&edge[0]==0&&edge[1]==0)
sum ;
if(sum>1)
{
result = 1;
}
return result;
}