struct Pieces//棋子判斷單元
{
 bool bIsPieces;//是否已有棋
 bool bIsBlack;//黑棋或白棋
 int x,y;//棋子所在格
};

struct MyRectangle
{
 int x,y;//選中框核心坐標
};

public:
 CMainGobang(void);
 ~CMainGobang(void);
private:
 /////basic information
 int iSize;//棋盤大小參數(shù)
 int xmax,xmin,ymax,ymin;//棋盤大小參數(shù)
 int idx;//棋盤每小格長度
 /////pieces information
 int iPieces;//棋子計數(shù)//當前棋子計數(shù)為iPieces-1
 int iPiecesNum;//棋子總數(shù)
 Pieces *pPieces;//棋子
 /////rectangle information
 int iRectangleNum;//選中框個數(shù)
 MyRectangle *pmyRectangle;//選中框
 /////for draw rectangle&draw pieces
 bool NoRectangle(int x,int y);//判斷該位置上是否有選中框
 bool NoPieces(int x,int y);//判斷該位置上是否有棋子
 /////for judge win
 bool IsBlack(int x,int y);//判斷該位置上棋子顏色
 bool IsConnect(int iDir,int x,int y);//查找相連的棋子
 int ConnectNum();//返回相連棋子個數(shù)
 /////for machine fight
 //void MaConnectNum(int iConnectNum,int iDir);//返回弱相連棋子個數(shù)/iDir方向參數(shù)
 int ConnectDir();//返回相連棋子方向
public:
 void DrawMainTable(CDC *pDC,CRect rect,int iTableSize);//繪制棋盤函數(shù)
 void SetPieces();//設參函數(shù)//將初始化代碼與繪制棋盤代碼分開
 void DrawRectangle(CDC *pDC,CPoint pt);//繪制選中框/返回是否繪制
 void DrawPieces(CDC *pDC,CRect rect,CPoint pt);//繪制棋子函數(shù)
 bool ClearPieces(CDC *pDC,bool &bBlack);//清除棋子函數(shù)/用于悔棋
 void KeepPieces(CDC *pDC,CRect rect,int iTableSize);//循環(huán)繪制棋子 //用以解決刷新問題
 void MachineDraw(CDC *pDC);//機器下棋函數(shù)

 bool Success();//判斷勝利函數(shù)
 void ReplayMark(CDC *pDC);//復盤標記函數(shù)

CMainGobang::CMainGobang(void)
{}
CMainGobang::~CMainGobang(void)
{
 if(pPieces!=NULL)
 {
 delete []pPieces;
 pPieces=NULL;
 }
 if(pmyRectangle!=NULL)
 {
 delete []pmyRectangle;
 pmyRectangle=NULL;
 }
}
//繪制棋盤函數(shù)
//后期可添加棋盤大小參數(shù)
//控件坐標
void CMainGobang::DrawMainTable(CDC *pDC,CRect rect,int iTableSize)
{
 iSize=iTableSize;
 //先覆蓋背景
 CRect Back;
 Back.top=rect.top+1;
 Back.bottom=rect.bottom-1;
 Back.left=rect.left+1;
 Back.right=rect.right-1;
 pDC->FillSolidRect(&Back,RGB(240,240,240));//填充
 //計算每格長度
 idx=(((rect.right-rect.left)/(iTableSize+1))>((rect.bottom-rect.top)/(iTableSize+1)))?
 (rect.bottom-rect.top)/(iTableSize+1):
 (rect.right-rect.left)/(iTableSize+1);
 CBrush brush(RGB(0,0,0));
 CBrush *OldBrush=pDC->SelectObject(&brush);
 int ixp,iyp;//棋盤星坐標
 //繪制天元
 ixp=(rect.right-rect.left)/2;
 iyp=(rect.bottom-rect.top)/2;
 pDC->Ellipse(ixp-3,iyp-3,ixp+3,iyp+3);
 //繪制星
 ixp-=4*idx;
 iyp-=4*idx;//左上角
 pDC->Ellipse(ixp-3,iyp-3,ixp+3,iyp+3);
 iyp+=8*idx;//左下角
 pDC->Ellipse(ixp-3,iyp-3,ixp+3,iyp+3);
 ixp+=8*idx;//右下角
 pDC->Ellipse(ixp-3,iyp-3,ixp+3,iyp+3);
 iyp-=8*idx;//右上角
 pDC->Ellipse(ixp-3,iyp-3,ixp+3,iyp+3);
 pDC->SelectObject(OldBrush);//恢復設備環(huán)境中原來的畫筆
 brush.DeleteObject();//釋放繪圖資源
 //計算棋盤大小并放置于窗口中間
 ymin=(rect.bottom-rect.top)/2-(iTableSize-1)/2*idx;
 ymax=ymin+(iTableSize-1)*idx;
 xmin=(rect.right-rect.left)/2-(iTableSize-1)/2*idx;
 xmax=xmin+(iTableSize-1)*idx;
 for(int x=xmin;x<=xmax;x+=idx)
 {
 pDC->MoveTo(x,ymin);
 pDC->LineTo(x,ymax);
 }
 for(int y=ymin;y<=ymax;y+=idx)
 {
 pDC->MoveTo(xmin,y);
 pDC->LineTo(xmax,y);
 }
}

//鼠標移動函數(shù)
void CMyGobang_DHKDlg::OnMouseMove(UINT nFlags, CPoint point)
{
 // TODO: 在此添加消息處理程序代碼和/或調(diào)用默認值
 CPoint pt;
 CRect rect;
 GetDlgItem(IDC_MainTable)->GetWindowRect(&rect);//獲取控件屏幕坐標
 GetCursorPos(&pt);//獲取鼠標點擊坐標(屏幕坐標坐標)
 pt.x-=rect.left;//轉(zhuǎn)化為控件中坐標
 pt.y-=rect.top;
 CDC *pDC=picMain.GetDC();//獲取該控件的畫布
 if(bIsReady)
 {
 gobang.DrawRectangle(pDC,pt);
 }
 
 CDialogEx::OnMouseMove(nFlags, point);
}