public void Down(AbstractStone stone) //按棋子落子
{
stone.Down(); //落子
MainForm.lstHistory.Items.Add(stone);
MainForm.lstHistory.SelectedIndex = MainForm.lstHistory.Items.Count - 1; //添加记录，列表中选中最后一个棋子
Draw(MainForm.picBoard.CreateGraphics()); //窗体重绘
if ((NetInputer != null) && !(CurrentPlayer is NetPlayer))
{
NetInputer(stone.X, stone.Y); //网络发送棋子
}
CurrentTag = Divert(CurrentTag); //玩家换手
if (!bIsVideo) //如果非录像
{
double nValue = Analyzer.GetValue(Board, stone); //估值是否获胜
if (nValue > Constants.WIN - Constants.DELTA)
{
GiveUp(); return;
} //对方获胜，则己方弃权
if (MainForm.lstHistory.Items.Count == Constants.MAX_STONE)
{
MainForm.StopGame(); //双方下满格子，平局
}
else
{
CurrentPlayer.Play(); //对方开始下棋
}
}
}
public static double GetValue(Tag[,] Board, AbstractStone stone) //估值
{
return(GetValue(Board, stone.X, stone.Y));
}