// COPYRIGHT NOTES
// ---------------
// This source code is a part of chess which is an example of <Game Programing guide>.
// You may use, compile or redistribute it as part of your application 
// for free. 
// You cannot redistribute sources without the official agreement of the author. 
// If distribution of you application which contents code below was occured, place 
// e-mail <hidebug@hotmail.com> on it is to be appreciated.
// This code can be used WITHOUT ANY WARRANTIES on your own risk.
// 
// Spring Wang <hidebug@hotmail.com>

// ---------------
// 版權(quán)聲明
// ---------------
// 本文件所含之代碼是《人機博弈程序設(shè)計指南》的范例程序中國象棋的一部分
// 您可以免費的使用, 編譯 或者作為您應(yīng)用程序的一部分。 
// 但，您不能在未經(jīng)作者書面許可的情況下分發(fā)此源代碼。 
// 如果您的應(yīng)用程序使用了這些代碼，在您的應(yīng)用程序界面上 
// 放入 e-mail <hidebug@hotmail.com> 是令人欣賞的做法。
// 此代碼并不含有任何保證，使用者當(dāng)自承風(fēng)險。
// 
// 王小春 <hidebug@hotmail.com>

// HistoryHeuristic.h: interface for the CHistoryHeuristic class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_HISTORYHEURISTIC_H__5870AB20_E3F1_11D5_AEC7_5254AB2E22C7__INCLUDED_)
#define AFX_HISTORYHEURISTIC_H__5870AB20_E3F1_11D5_AEC7_5254AB2E22C7__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CHistoryHeuristic  
{
public:
	CHistoryHeuristic();
	virtual ~CHistoryHeuristic();
	
	void ResetHistoryTable();
	int GetHistoryScore(CHESSMOVE *move);
	void EnterHistoryScore(CHESSMOVE *move,int depth);
	void MergeSort(CHESSMOVE *source, int n, BOOL direction);
protected:
	void Merge(CHESSMOVE *source, CHESSMOVE *target, int l,int m, int r);
	void MergePass(CHESSMOVE *source, CHESSMOVE *target, const  int s, const  int n, const BOOL direction);
	void Merge_A(CHESSMOVE *source, CHESSMOVE *target, int l,int m, int r);
	int m_HistoryTable[90][90];
	CHESSMOVE m_TargetBuff[100]; 

};

#endif // !defined(AFX_HISTORYHEURISTIC_H__5870AB20_E3F1_11D5_AEC7_5254AB2E22C7__INCLUDED_)