#ifndef __DBRAIL_H
#define __DBRAIL_H
#include "DbPolyPathEnt.h"

#define RF_ALIGN_LEFT   0x01
#define RF_AUTOEXPAND   0x02
#define RF_NEED2D       0x04
#define RF_DISABLE3D    0x08  // TArch6 Final
class TDbStair;

// 是纯粹的三维物体
class TARCH_EXP TDbRail: public TDbPolyPathEnt {
    DECLARE_TENTBASE();
    ACRX_DECLARE_MEMBERS(TDbRail);   
private:
    const static Adesk::UInt8 g_nVersion;
protected:
    AcDbHardPointerId m_idUnit; //自定义扶手
    XPoly2D m_polyBase;  //扶手路径
    double  m_nUnitWidth; //单元宽
    double  m_nInitDist; //初始间距
    Adesk::UInt8 m_nRailFlag; //单元对齐方式

    // 用于捕捉加速, 不存盘
    Adesk::UInt16 m_nQuickMarker;
public:
    TDbRail();
    ~TDbRail();
    virtual BOOL IsValid() const;
    virtual void CopyPropertiesFrom(AcDbEntity *pSrcEntity, unsigned gMatchFlag);

   // Overriden function from AcDbEntity
   virtual Acad::ErrorStatus subGetClassID(CLSID* pClsid) const;
   virtual Acad::ErrorStatus dwgInFields (AcDbDwgFiler*);
   virtual Acad::ErrorStatus dwgOutFields(AcDbDwgFiler*) const;
   virtual Acad::ErrorStatus dxfInFields (AcDbDxfFiler*);
   virtual Acad::ErrorStatus dxfOutFields(AcDbDxfFiler*) const;
   /* 仍然不能解决，对象捕捉（交点），慢的问题，从ExplodeOrDraw入手更合适
   virtual Acad::ErrorStatus   getOsnapPoints(
                                 AcDb::OsnapMode       osnapMode,
                                 int                   gsSelectionMark,
                                 const AcGePoint3d&    pickPoint,
                                 const AcGePoint3d&    lastPoint,
                                 const AcGeMatrix3d&   viewXform,
                                 AcGePoint3dArray&        snapPoints,
                                 AcDbIntArray&     geomIds) const;
   */

   // drived from TDbEntity
   virtual DrawType GetDrawType() const;
   virtual const TCHAR *GetDefaultLayer() const;
   virtual bool IsModelEntity() const{return true;} 
   virtual Acad::ErrorStatus ExplodeOrDraw3d(XExplodeDraw &dc) const;
   virtual Acad::ErrorStatus ExplodeOrDraw2d(XExplodeDraw &dc) const;
   virtual void GetTips(DList<TObjInfoUnit> &) const; //取动态属性显示数据

    double GetUnitWidth() const;
    double GetInitDist() const;
    BOOL IsLeftAlign() const;
    BOOL IsAutoExpand() const;
    BOOL Has2D() const;
	BOOL Has3D() const;

    AcDbObjectId GetUnitId() const;
    void SetUnitWidth(double w);
    void SetUnitId(AcDbObjectId id);
    void SetInitDist(double w);
    void SetLeftAlign(BOOL bTrue);
    void SetAutoExpand(BOOL bTrue);
    void SetHas2D(BOOL bTrue);
	void SetHas3D(BOOL bTrue);

    virtual Acad::ErrorStatus SetPathPoly(const XPoly2D &polyPath,const AcGeVector3d&normal);
    virtual Acad::ErrorStatus GetPathPoly(XPoly2D &polyPath, AcGeVector3d&normal) const;

};


#endif