// NineBox.h: interface for the NineBox class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_NINEBOX_H__06C6DA3D_AA28_43F6_9D4E_3E69C6D59F82__INCLUDED_)
#define AFX_NINEBOX_H__06C6DA3D_AA28_43F6_9D4E_3E69C6D59F82__INCLUDED_

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

struct BOX
{
	int num;
	int x;
	int y;
};
class NineBox  
{
public:
	NineBox();
	virtual ~NineBox();
public:
	void ResetValue()
	{
		int v[3][3]={1,2,3,8,0,4,7,6,5};
		for (int i=0;i<3;i++) 
		{
			for (int j=0;j<3;j++) 
			{
				box[i][j].num=v[i][j];
				box[i][j].x=i;
				box[i][j].y=j;
			}
		}
		
		move_type=-1;
	}

	int GetBoxValue(int x,int y)
	{
		if(abs(x)<3 && abs(y)<3)
		{
			return box[x][y].num;
		}
		else
			return -1;
	}

	bool GetXYByValue(int num,int& x,int& y)
	{
		if (num<9 && num>=0) 
		{
			x=-1;y=-1;
			for (int i=0;i<3;i++)
			{
				for (int j=0;j<3;j++)
				{
					if (box[i][j].num==num)
					{
						x=box[i][j].x;
						y=box[i][j].y;
						return true;
					}
				}
			}
			return false;
		}
		else
			return false;
	}

	void MoveUp();
	void MoveDown();
	void MoveLeft();
	void MoveRight();

	void swap(int x0,int y0,int x1,int y1)
	{
		int temp=0;
		temp=box[x0][y0].num;
		box[x0][y0].num=box[x1][y1].num;
		box[x1][y1].num=temp;
	}

	int GetLastMoveType(){return move_type;}
	void SetLastMoveType(int t){move_type=t;}
private:
	BOX box[3][3];
	int move_type;
};

#endif // !defined(AFX_NINEBOX_H__06C6DA3D_AA28_43F6_9D4E_3E69C6D59F82__INCLUDED_)