//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TArcWallUnit.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   ÀàµÄÉùÃ÷
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TARCWALLUNIT_H_
#define _TARCWALLUNIT_H_

#ifndef _TDPTRLIST_H_
#include "TDPtrList.h"
#endif

#ifndef _TGGEPOLY2D_H_
#include "TGGePoly2D.h"
#endif

#ifndef _TGGE3DFACE_H_
#include "TGGe3DFace.h"
#endif

#ifndef _TGGEPOLYGONEX_H_
#include "TGGePolygonEx.h"
#endif

class GEOAPI TArcWallUnit
{
public:

	TArcWallUnit();

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

	virtual ~TArcWallUnit();

	void Tessellate(double xBeg, double nStep, int num, TDPtrList<TGGe3DFace> &lstFaces, TDPtrList<TGGe3DFace> &lstSectFaces);
	void Tessellate(TDPtrList<TGGe3DFace> &lstSectFaces, double nHeight, BOOL bHasTop, BOOL bHasBot,BOOL bHasLeft, BOOL bHasRight);

public:
	
	TDPtrList<TGGePoly2D> lstHoles;
	
	double xWallBeg;
	double xHoleBeg;
	double xHoleEnd;
	double nRadius;

private:
	int AsTriangleFaces(const TGGePolygonEx &polyOut, const TDPtrList<TGGePoly2D> &lstHoles, TDPtrList<TGGe3DFace> &lstFaces);
	int AsTriangleFaces(const TGGePoly2D &polyOut, const TDPtrList<TGGePoly2D> &lstHoles, TDPtrList<TGGe3DFace> &lstFaces);
	void Tessellate(TDPtrList<TGGe3DFace> &lstSectFaces, double xBeg, double nStep, int nDivNum, double nHeight, BOOL bHasTop, BOOL bHasBot, BOOL bHasLeft, BOOL bHasRight);
	
	void SortVertex(TGGe3DFace *pFace);
};

#endif