//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, SH Software Co. Ltd.
// = FileName	:   XRegionSide 类
// = Version	:   ver2.0
// = Author		:   zjq
// = CreateDate	:   2002-09-09
// = Description:   XRegionSide 声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _XREGIONSIDE_H_
#define _XREGIONSIDE_H_

#ifndef _XCURVESEGMENT_H_
#include "XCurveSegment.h"
#endif

class XRegion;
class XSortSideOnVertex;

class GEOAPI XRegionSide : public XCurveSegment 
{	
public:
	
	XRegionSide();

	XRegionSide(const XCurveSegment &seg);
	
	virtual ~XRegionSide();

	// nSide==0: Left; nSide==1: Right 
	int Trival(XSortSideOnVertex *pSpt, int nSide); 
	
	XRegion* GetLeftRegion() const;
	void SetLeftRegion(XRegion * pRegion);
	
	XRegion* GetRighttRegion() const;
	void SetRightRegion(XRegion * pRegion);
	
	TCHAR GetCurSide() const;
	void SetCurSide(const TCHAR nCurSide);
	
	TCHAR GetBadSide() const;
	void SetBadSide(const TCHAR nBadSide);
	
	XSortSideOnVertex* GetStartNode()const;
	void SetStartNode(XSortSideOnVertex* pNode);
	
	XSortSideOnVertex* GetEndNode()const;
	void SetEndNode(XSortSideOnVertex* pNode);

	XRegion * GetCurRegion();

public:
	//全局当前房间
	static XRegion *g_pCurRegion;

 	// 全局所有边列表
	static DList<XRegionSide> *g_pAllWalls;  
	
	// 左右为相对于曲线发现
	XRegion *m_pLeftRegion, *m_pRightRegion;  
	
	// Left(0) or Rigth(1)
	TCHAR m_nCurSide; 
	
	// 不好的边，应当忽略
	TCHAR m_bBadSide;
	
	XSortSideOnVertex *m_pStartNode, *m_pEndNode; 
};

#endif