#if !defined(__OVERLAPENTITY_H__)
#define __OVERLAPENTITY_H__

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

#define OFFSET_SIZE 3.0
 
class COverlapEntity  
{
public:
	COverlapEntity();
	virtual ~COverlapEntity();
	COverlapEntity& operator =(COverlapEntity& entSource);

	struct SPartEntityData
	{
		AcGeLineSeg3d line;
		double dSectionHeight;	// 圆形截面下，此成员代表直径
		double dSectionWidth;
		AcGeVector3d vtNml;
		BOOL bCircle;
	};

	BOOL IsIntersectedWith(const COverlapEntity& entOther, AcGePoint3d& ptOverlap);
	BOOL IsOverlapped(const SPartEntityData& sPart1, const SPartEntityData& sPart2,
					  AcGePoint3d& ptOverlap);
	void AddDataPartment(const AcGePoint3d& ptS, const AcGePoint3d& ptE,
						 const double dSectionHeight, const double dSectionWidth,
						 const AcGeVector3d& vtNml, const BOOL bCircle);
	BOOL IsConnecttingWith(const AcDbObjectId id) const;
	// 调用前确保vtDir不为0
	double EntityPartLengthInDir(const SPartEntityData& sPart, const AcGeVector3d& vtDir);
	void BulidLineSegArray(const SPartEntityData& sPart, CArray<AcGeLineSeg3d, AcGeLineSeg3d&>& arLineSeg);
	BOOL GetOverlapPoint(const CArray<AcGeLineSeg3d, AcGeLineSeg3d&>& arLineSeg1,
						 const CArray<AcGeLineSeg3d, AcGeLineSeg3d&>& arLineSeg2, AcGePoint3d& ptOverlap);
	BOOL GetOverlapPoint(const SPartEntityData sPartForPLine, const SPartEntityData sPartForPts);
	BOOL GetOverlapPoint(const SPartEntityData sPart1, const SPartEntityData sPart2,
						 const AcGeLine3d lineNormal, AcGePoint3d& ptOverlap);
	BOOL AIsInB(const CArray<AcGeLineSeg3d, AcGeLineSeg3d&>& arLineSeg1,
				const CArray<AcGeLineSeg3d, AcGeLineSeg3d&>& arLineSeg2, AcGePoint3d& ptOverlap);
	void GetSectionPts(const SPartEntityData& sPart, AcGePoint3dArray& arptSection);
	void GetProjectedPtArray(const AcGeLine3d& lineNormal, AcGePoint3dArray& arpt);
	// 此工具函数使用条件很严格
	void DeletePtsBetween(AcGePoint3dArray& arpt);

	CArray<SPartEntityData, SPartEntityData&> m_arEntityData;
	AcDbObjectId m_idEntity;
	BOOL m_bIsHvacEntity;
};

#endif // !defined(__OVERLAPENTITY_H__)