五子棋算法：判断禁手

xsir317 2010-05-21 01:17:10

ForbiddenPointFinder.h

#if !defined(FORBIDDENPOINTFINDER_H_INCLUDED_)

#define FORBIDDENPOINTFINDER_H_INCLUDED_



#if _MSC_VER > 1000

#pragma once

#endif // _MSC_VER > 1000

// ForbiddenPointFinder.h : header file

//



#include <afxwin.h>



#define BOARDSIZE 15

#define BLACKSTONE 'X'

#define WHITESTONE 'O'

#define EMPTYSTONE '.'

#define BLACKFIVE 0

#define WHITEFIVE 1

#define BLACKFORBIDDEN 2



class CForbiddenPointFinder

{

public:

	int	nForbiddenPoints;

	CPoint ptForbidden[BOARDSIZE * BOARDSIZE];

	

private:

	char cBoard[BOARDSIZE+2][BOARDSIZE+2];



public:

	CForbiddenPointFinder();

	virtual ~CForbiddenPointFinder();



	void Clear();

	int  AddStone(int x, int y, char cStone);



private:

	void SetStone(int x, int y, char cStone);

	BOOL IsFive(int x, int y, int nColor);

	BOOL IsOverline(int x, int y);

	BOOL IsFive(int x, int y, int nColor, int nDir);

	BOOL IsFour(int x, int y, int nColor, int nDir);

	int  IsOpenFour(int x, int y, int nColor, int nDir);

	BOOL IsOpenThree(int x, int y, int nColor, int nDir	);

	BOOL IsDoubleFour(int x, int y);

	BOOL IsDoubleThree(int x, int y);



	void FindForbiddenPoints();

};



#endif // !defined(FORBIDDENPOINTFINDER_H_INCLUDED_)

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dugufengwu 2010-12-10

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void CForbiddenPointFinder::FindForbiddenPoints()//对盘面上所有能落子的点，查看其是否是禁手点，并标注。

{

    nForbiddenPoints = 0;

    for (int i=0; i<BOARDSIZE; i++)

    {

        for (int j=0; j<BOARDSIZE; j++)

        {

            if (cBoard[i+1][j+1] != EMPTYSTONE)

                continue;

            else

            {

                if (IsOverline(i, j) || IsDoubleFour(i, j) || IsDoubleThree(i, j))

                {

                    ptForbidden[nForbiddenPoints].x = i;

                    ptForbidden[nForbiddenPoints].y = j;

                    nForbiddenPoints++;

                }

            }

        }

    }

}