#ifndef __DBCAMERA_H
#define __DBCAMERA_H
//#include "DbEntity.h"

#define CAF_BACKON  0x01
#define CAF_FRONTON 0x02
#define CAF_ACTIVE  0x04 //自动刷新
#define CAF_PERSPECTIVE 0x08
#define CAF_FRONTCLIP_ATEYE 0x10 //前裁剪在相机处


class  TViewportInfo
{
public:
	TViewportInfo(){}
	TViewportInfo (const TViewportInfo& vports) {
        *this = vports;
    }
    TViewportInfo & operator = (const TViewportInfo &vports) {
        VpID = vports.VpID;
        ptLeft = vports.ptLeft;
        ptRight = vports.ptRight;
        return *this;
    }

	int VpID;
	XPoint ptLeft;
	XPoint ptRight;
    static int CompareForSort(const TViewportInfo *p1, const TViewportInfo *p2);
    static int CompareForFindById(const TViewportInfo *p1, const void *p2);
};
inline int FCompare(double e1, double e2)
{
    if(fabs(e1-e2)<1.0E-6)
        return 0;
    if(e1>e2)
        return 1;
    return -1;
}

// 由下往上, 然后由左往右
inline int TViewportInfo::CompareForSort(const TViewportInfo *p1, const TViewportInfo *p2)
{
    int nCode=FCompare(p1->ptLeft.y, p2->ptLeft.y);
    if(!nCode) {
        nCode=FCompare(p1->ptLeft.x, p2->ptLeft.x);
        if(!nCode) {
            nCode=FCompare(p1->ptRight.y, p2->ptRight.y);
            if(!nCode)
                nCode=FCompare(p1->ptRight.x, p2->ptRight.x);
        }
    }
    return nCode;
}

inline int TViewportInfo::CompareForFindById(const TViewportInfo *p1, const void *p2)
{
    const int *pp2=(const int *)p2;
    if(p1->VpID==*pp2)
        return 0;
    return 1;
}

// TArch6标记
#define CAF_LOCATOR  0x20 //定位器，自动关闭透视，自动设置前裁剪
class TARCH_EXP TDbCamera: public TDbEntity {
    friend int UpdCamera();
    //friend TARCH_IMPEXP int EditCamera0(AcDbObjectId id);

    DECLARE_TENTBASE();
    ACRX_DECLARE_MEMBERS(TDbCamera);   
private:
    const static Adesk::UInt8 g_nVersion;
protected:
    XPoint m_ptCamera, m_ptTarget;
    double m_nLens, m_nFrontDist, m_nBackDist; //后裁剪可以<0, 前裁剪必须为正
    Adesk::UInt8 m_nCameraFlag; 
    AcDbHardPointerId m_idBlock;
    Adesk::UInt8 m_nVport;  //视口序号, 1开始

    static DList<AcDbObjectId> g_updIdArray;

    // 导出参数, 作为Locator时
    /*
    XPoint GetLocatorC() const;
    XPoint GetLocatorL() const;
    XPoint GetLocatorR() const;
    XPoint GetLocatorF() const;
    XPoint GetLocatorB() const;
    */
public:
    TDbCamera();
    ~TDbCamera();
    virtual BOOL IsValid() const;
    virtual void CopyPropertiesFrom(AcDbEntity *pSrcEntity, unsigned gMatchFlag);

    virtual Adesk::Boolean subWorldDraw(AcGiWorldDraw *pWd);  
    virtual void subViewportDraw(AcGiViewportDraw* pMode); 
    virtual Adesk::UInt32 subViewportDrawLogicalFlags(AcGiViewportDraw * vd);
    virtual Adesk::UInt32 subSetAttributes(AcGiDrawableTraits * traits);

   // 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;
   virtual Acad::ErrorStatus subGetGripPoints(AcGePoint3dArray&     gripPoints,
                                             AcDbIntArray&  osnapModes,
                                             AcDbIntArray&  geomIds) const;
   virtual Acad::ErrorStatus   subGetStretchPoints(AcGePoint3dArray & stretchPoints) const;
   virtual Acad::ErrorStatus   subTransformBy(const AcGeMatrix3d& xform);
   virtual  Acad::ErrorStatus subMoveGripPointsAt(const AcDbIntArray& indices,
                     const AcGeVector3d& offset);
   virtual  Acad::ErrorStatus subMoveStretchPointsAt(const AcDbIntArray& indices,
                     const AcGeVector3d& offset);
   //virtual Adesk::Boolean worldDraw(AcGiWorldDraw *pWd);
   //virtual Acad::ErrorStatus explode(AcDbVoidPtrArray &entSet) const;
   virtual Acad::ErrorStatus ExplodeOrDraw2d(XExplodeDraw &dc) const;
   virtual Acad::ErrorStatus ExplodeOrDraw3d(XExplodeDraw &dc) const;
   virtual Acad::ErrorStatus subClose();

   // drived from TDbEntity
   virtual void GetTips(DList<TObjInfoUnit> &) const; //取动态属性显示数据
   virtual Acad::ErrorStatus GetGripText(int i, CString &cs) const;
   virtual const TCHAR *GetDefaultLayer() const;
	virtual int GetCtrlToggleIndex()const{return 2;}//ok

    BOOL TakePhoto(BOOL bFast=FALSE) const;
    BOOL IsBackClipOn() const;
    BOOL IsFrontClipOn() const;
    BOOL IsActive() const;
    BOOL IsPerspective() const;
    BOOL IsFrontClipAtEye() const;
    BOOL IsLocator() const;
    XPoint GetCamera() const;
    XPoint GetTarget() const;
    XPoint GetBackClipPoint() const;
    XPoint GetFrontClipPoint() const;
    XPoint GetClipPoint(double nVal) const;
    double GetBackClipDist() const;
    double GetFrontClipDist() const;
    double GetLatitude() const; // 0 ~ PI
    double GetLongitude() const; // -PI/2 ~ PI/2
    AcDbObjectId GetBlockId() const;
    int GetAssociateViewport() const;
    double GetLens() const;
    double GetElevation(BOOL bCamera=TRUE) const;

    void SetBackClipOn(BOOL bTrue);
    void SetFrontClipOn(BOOL bTrue);
    void SetClipPoint(XPoint ptClip, BOOL bFront);
    void SetBackClipPoint(XPoint ptBackClip);
    void SetFrontClipPoint(XPoint ptFrontClip);
    void SetActive(BOOL bTrue);
    void SetCamera(XPoint pt);
    void SetTarget(XPoint pt);
    void SetBackClipDist(double nDist);
    void SetFrontClipDist(double nDist);
    void SetLatitude(double val);
    void SetLongitude(double val);
    BOOL SetDefaultBlock();
    BOOL SetBlock(AcDbObjectId id);
    void SetAssociateViewport(int nId);
    void SetLens(double val);
    void SetElevation(double e, BOOL bCamera=TRUE);
    void SetPerspective(BOOL bTrue);
    void SetFrontClipAtEye(BOOL bTrue);
    void SetLocator(BOOL bTrue);


    static void BegUserCommand(const TCHAR *, BOOL bIsArxCommand);
    static void EndUserCommand(const TCHAR *, BOOL bIsArxCommand);
    static void ViewportChanged();
    static void ResetIdArray();
};

extern TARCH_IMPEXP BOOL g_bMakingVideo;
#endif