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

#ifndef _DLIST_H_
#include "DList.h"
#endif

#ifndef _XPOLY2D_H_
#include "XPoly2D.h"
#endif

#ifndef _X3DFACE_H_
#include "X3DFace.h"
#endif

#ifndef _XPOLYGONEX_H_
#include "XPolygonEx.h"
#endif

class GEOAPI XArcWallUnit
{
public:

	XArcWallUnit();

	XArcWallUnit(double rad, double wBeg, double hBeg, double hEnd);

	virtual ~XArcWallUnit();

	void Tessellate(double xBeg, double nStep, int num, DList<X3DFace> &lstFaces, DList<X3DFace> &lstSectFaces);
	void Tessellate(DList<X3DFace> &lstSectFaces, double nHeight, BOOL bHasTop, BOOL bHasBot,BOOL bHasLeft, BOOL bHasRight);

public:
	
	DList<XPoly2D> lstHoles;
	
	double xWallBeg;
	double xHoleBeg;
	double xHoleEnd;
	double nRadius;

private:
	int AsTriangleFaces(const XPolygonEx &polyOut, const DList<XPoly2D> &lstHoles, DList<X3DFace> &lstFaces);
	int AsTriangleFaces(const XPoly2D &polyOut, const DList<XPoly2D> &lstHoles, DList<X3DFace> &lstFaces);
	void Tessellate(DList<X3DFace> &lstSectFaces, double xBeg, double nStep, int nDivNum, double nHeight, BOOL bHasTop, BOOL bHasBot, BOOL bHasLeft, BOOL bHasRight);
	
	void SortVertex(X3DFace *pFace);
};

#endif