//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGMeshNode 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TGMeshNode 声明
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#ifndef _TGMESHNODE_H_
#define _TGMESHNODE_H_

#ifndef _TGPOINT_H_
#include "TGPoint.h"
#endif

#ifndef _TPGECURVEMESH_H_
#include "TPGeCurveMesh.h"
#endif

#ifndef _TPDLIST_H_
#include "TPDList.h"
#endif

#ifndef _TDUALPTRLIST_H_
#include "TDualPtrList.h"
#endif

class TGMeshEdge;

class GEOAPI TGMeshNode : public TGPoint
{
	friend class TPGeCurveMesh;
public:
	TGMeshNode(const TGPoint&pt);
	virtual ~TGMeshNode();

	void AppendEdge(TGMeshEdge* pEdge);
	void Arrange();
	void Clear();

	TGMeshEdge* FindNextEdge(TGMeshEdge*pEdgeFrom);
	TGMeshEdge* FindPreEdge(TGMeshEdge*pEdgeFrom);
	TGMeshEdge* FindNextSDEdge(TGMeshEdge*pEdgeFrom);
	TGMeshEdge* FindPreSDEdge(TGMeshEdge*pEdgeFrom);

	TGMeshEdge* GetOnlyEdge();
	void RemoveEdge(TGMeshEdge*pEdge);
	bool IsEndNode()const;

protected:
	TPDList<TGMeshEdge> m_lstEdge;//通过这个节点的边
};
#endif