//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, SH Software Co. Ltd.
// = FileName	:   XPoint点类
// = Version	:   ver2.0
// = Author		:   zjq
// = CreateDate	:   2002-09-09
// = Description:   XPoint类声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _XPOINT_H_
#define _XPOINT_H_

class XCircle;
class XPlane;
class XLine;
class Entity;

class GEOAPI XPoint
{	
public:
	XPoint(const ads_point src);
	XPoint(const AcGePoint3d &src);
	XPoint(const AcGePoint2d &src);
	XPoint(const AcGeVector3d &src);
	XPoint(const AcGeVector2d &src);
	XPoint(const XPoint &ptFrom, double dDrt, double dDist);
	XPoint(ads_real dx = 0.0, ads_real dy = 0.0, ads_real dz = 0.0);
	~XPoint();
	
	XPoint& operator = (const AcGePoint3d &src);
	XPoint& operator = (const AcGePoint2d &src);
	XPoint& operator = (const AcGeVector3d &src);
	XPoint& operator = (const AcGeVector2d &src);
	XPoint& operator = (const XPoint & pt);
	XPoint& operator = (const ads_point pt);
	
	void operator >  (ads_point pt) const;
	bool operator >  (const XPoint &pt) const;
	bool operator <  (const XPoint &pt)const;
	void operator += (const XPoint &pt);
	void operator -= (const XPoint &pt);
	void operator *= (double dScale);
	void operator /= (double dScale);
	bool operator == (const XPoint & pt) const;
	bool operator == (const ads_point pt) const;
	bool operator != (const XPoint &pt) const;
	
	operator ads_real* () const;
	operator void* () const;
	
	ads_real& operator [] (int i);
	ads_real  operator [] (int i) const;
	
	int operator ! () const;
	
	//3D属性;
	//把当前点往线上投影, rp--结果
	int Project(const XLine* pLine, ads_point rp) const;
	int Project(const XCircle* pCir, ads_point rp) const;
	int Project(const AcGeLine3d* pLine,ads_point rp) const;

	XPoint Project(const XPlane* pPlan) const;

	double Distance(const XLine* pLine) const;
	double Distance(const XPoint& pt) const;				
	double Distance2d(const XPoint& pt) const;
	double Distance(const XPoint& ptSta,const XPoint& ptEnd) const;
	
	void TransformBy(ads_matrix mat);
	void TransformBy(const AcGeMatrix3d& mat);
	XPoint TransformAs(ads_matrix mat) const;

	void GetRotationMatrix(ads_real dRot, ads_matrix mat) const;
	void GetScaleMatrix(ads_real dScale, ads_matrix mat) const;
	void GetScaleMatrix(ads_real sx, ads_real sy, ads_real sz, ads_matrix mat) const;
	void GetMoveMatrix(const XPoint& ptDest, ads_matrix mat) const;

	void Mirror(const ads_point src, ads_point dest) const;
	void Mirror(const XPoint& ptSrc, XPoint& ptDest)  const;

	void Rotate(ads_real dAng);	
	
	void Reverse();
	
	void Normalize();	
	
	int Make(LPCTSTR pszLay = NULL) const;
	int Modify(const Entity* pEntity) const;
	int MakeEntity(const Entity* pEntity) const;
	
	ads_real Length() const;

	void Scale(ads_real dScale);
	
	operator const AcGePoint3d & ();
	operator AcGePoint3d & () const;
	AcGePoint3d AsAcGePoint3d() const;
	
	operator const AcGeVector3d & ();
	operator AcGeVector3d & () const;
	AcGeVector3d AsAcGeVector3d() const;
	
	operator const AcGePoint2d & ();
	operator AcGePoint2d & () const;
	AcGePoint2d AsAcGePoint2d() const;
	
	operator const AcGeVector2d & ();
	operator AcGeVector2d & () const;
	AcGeVector2d AsAcGeVector2d() const;

	void AT_xformpt(ads_matrix xform,ads_point pt,ads_point newpt) const;

public:

	ads_real x,y,z;
};

typedef class XPoint Point;

typedef class XPoint Vector3D;

typedef class XPoint XVector3D;

inline XPoint::XPoint(ads_real dx, ads_real dy, ads_real dz)
{ 
	x = dx;
	y = dy;
	z = dz;
}

inline XPoint::XPoint(const ads_point src)
{
	x = src[0];
	y = src[1];
	z = src[2];
}

inline XPoint::XPoint(const XPoint &ptFrom, double dDrt, double dDist)
{
	ads_polar(ptFrom, dDrt, dDist, *this);
}
	
inline XPoint::XPoint(const AcGePoint3d &src)
{
	x = src[0];
	y = src[1];
	z = src[2];
}

inline XPoint::XPoint(const AcGePoint2d &src)
{
	x = src[0];
	y = src[1];
	z = 0.0;
}

inline XPoint& XPoint::operator = (const AcGePoint3d &src)
{
	x = src[0];
	y = src[1];
	z = src[2];

	return *this;
}

inline XPoint& XPoint::operator =  (const AcGePoint2d &src)
{
	x = src[0];
	y = src[1];
	z = 0.0;
	
	return *this;
}

inline XPoint::XPoint(const AcGeVector3d &src)
{ 
	x = src[0];
	y = src[1];
	z = src[2]; 
}

inline XPoint::XPoint(const AcGeVector2d &src) 
{
	x = src[0];
	y = src[1];
	z = 0.0;
}

inline XPoint& XPoint::operator = (const AcGeVector3d &src)
{
	x = src[0];
	y = src[1];
	z = src[2];
	
	return *this;
}

inline XPoint& XPoint::operator = (const AcGeVector2d &src) 
{
	x = src[0];
	y = src[1];
	z = 0.0;
	
	return *this;
}

inline XPoint& XPoint::operator =  (const XPoint & pt)
{
	x = pt.x;
	y = pt.y;
	z = pt.z; 
	
	return *this;
}

inline XPoint& XPoint::operator =  (const ads_point pt)
{
	x = pt[0];
	y = pt[1];
	z = pt[2];
	
	return *this;
}

inline void XPoint::operator >  (ads_point pt) const
{
	pt[0] = x;
	pt[1] = y;
	pt[2] = z;
}

inline void XPoint::operator += (const XPoint &pt)
{
	x += pt.x;
	y += pt.y;
	z += pt.z;
}

inline void XPoint::operator -= (const XPoint &pt)
{
	x -= pt.x;
	y -= pt.y;
	z -= pt.z;
}

inline void XPoint::operator *= (double dScale)
{
	x *= dScale;
	y *= dScale;
	z *= dScale;
}

inline void XPoint::operator /= (double dScale)
{
	x /= dScale;
	y /= dScale;
	z /= dScale;
}
	
inline bool XPoint::operator == (const XPoint & pt) const
{
	return (fabs(x - pt.x) < XGeLib::_DIST_SNAP && fabs(y - pt.y) < XGeLib::_DIST_SNAP && fabs(z - pt.z) < XGeLib::_DIST_SNAP);
}

inline bool XPoint::operator != (const XPoint &pt) const
{
	return !((*this) == pt);
}

inline bool XPoint::operator == (const ads_point pt) const 
{
	return (ads_distance(&x, pt) < XGeLib::_DIST_SNAP);
}

inline bool XPoint::operator < (const XPoint &pt) const
{
	return pt > (*this);
}

inline XPoint::operator ads_real*() const
{
	return (ads_real *)&x;
}

inline XPoint::operator void* () const
{
	return (void *)&x;
}

inline ads_real& XPoint::operator [] (int i)
{
	return *(&x + i); 
}

inline ads_real XPoint::operator [] (int i) const
{
	return *(&x + i);
}

inline int XPoint::operator !() const
{
	return (fabs(x) < 1E-6 && fabs(y) < 1E-6 && fabs(z) < 1E-6) ? 1 : 0;
}
	
inline double XPoint::Distance(const XPoint& pt) const
{
	double t1 = pt.x - x;
	double t2 = pt.y - y;
	double t3 = pt.z - z;
	
	return sqrt(t1 * t1 + t2 * t2 + t3 * t3);
}

inline double XPoint::Distance2d(const XPoint& pt) const
{
	double XDis = x - pt.x;
	double YDis = y - pt.y;

	return sqrt(XDis * XDis + YDis * YDis);
}

inline void XPoint::TransformBy(const AcGeMatrix3d &mat)
{
	((AcGePoint3d *)this)->transformBy(mat);
}


inline void XPoint::AT_xformpt(ads_matrix xform,ads_point pt,ads_point newpt) const
{
	int i,j;
	ads_point pt0;

	newpt[X] = newpt[Y] = newpt[Z] = 0.0;
	Cpoint(pt0, pt);

	for (i = X; i <= Z; i++) 
	{
		for (j = X; j <= Z; j++)
		{
			newpt[i] += xform[i][j] * pt0[j];
		}

		newpt[i] += xform[i][T];
	}
}

inline XPoint XPoint::TransformAs(ads_matrix mat) const
{
	XPoint pt;
	AT_xformpt(mat, (double *)&x, pt);

	return pt;
}

inline void XPoint::TransformBy(ads_matrix mat)
{
	XPoint pt;
	AT_xformpt(mat, (double *)&x, pt);

	*this = pt;
}

inline void XPoint::Mirror(const ads_point src, ads_point dest) const
{
	dest[0] = 2 * x - src[0];
	dest[1] = 2 * y - src[1];
	dest[2] = 2 * z - src[2];
}

inline void XPoint::Mirror(const XPoint & src, XPoint &dest)  const
{
	dest.x = 2 * x - src.x;
	dest.y = 2 * y - src.y;
	dest.z = 2 * z - src.z;
}

inline void XPoint::Rotate(ads_real dang)
{
	ads_real dewX = x * cos(dang) - y * sin(dang);
	ads_real dewY = x * sin(dang) + y * cos(dang);

	x = dewX;
	y = dewY;
}

inline void XPoint::Reverse()
{
	x = -x;
	y = -y;
	z = -z;
}

inline ads_real XPoint::Length() const
{
	return sqrt(x * x + y * y + z * z);
}

inline void XPoint::Scale(ads_real dScale)
{
	x *= dScale;
	y *= dScale;
	z *= dScale;
}

inline void XPoint::Normalize() 
{
	double nLen = Length();
	if (nLen > 1.0E-9)
	{
		Scale(1.0 / nLen);
	}
}

inline XPoint::operator const AcGePoint3d & ()
{
	return *(const AcGePoint3d *)this;
}

inline XPoint::operator AcGePoint3d & () const
{ 
	return *(AcGePoint3d *)this;
}

inline AcGePoint3d XPoint::AsAcGePoint3d() const
{
	return AcGePoint3d(x, y, z);
}

inline XPoint::operator const AcGeVector3d& ()
{ 
	return *(const AcGeVector3d *)this; 
}

inline XPoint::operator AcGeVector3d& () const 
{ 
	return *(AcGeVector3d *)this; 
}

inline AcGeVector3d XPoint::AsAcGeVector3d() const 
{
	return AcGeVector3d(x, y, z);
}

inline XPoint::operator const AcGePoint2d& ()  
{ 
	return *(const AcGePoint2d *)this;
}

inline XPoint::operator AcGePoint2d& () const
{
	return *(AcGePoint2d *)this;
}

inline AcGePoint2d XPoint::AsAcGePoint2d() const 
{
	return AcGePoint2d(x, y);
}

inline XPoint::operator const AcGeVector2d& ()  
{
	return *(const AcGeVector2d *)this; 
}

inline XPoint::operator AcGeVector2d& () const
{ 
	return *(AcGeVector2d *)this; 
}

inline AcGeVector2d XPoint::AsAcGeVector2d() const 
{
	return AcGeVector2d(x, y); 
}

inline double XPoint::Distance(const XPoint& ptSta,const XPoint& ptEnd) const
{
	ads_real* pt0 = *this;
	ads_real* pt1 = ptSta;
	ads_real* pt2 = ptEnd;

	ads_point pt4;

	struct plan_para plan;
	XVector3D vt;
	vt[0] = pt2[0] - pt1[0];
	vt[1] = pt2[1] - pt1[1];
	vt[2] = pt2[2] - pt1[2];

	pt4[0]=pt0[0];
	pt4[1]=pt0[1];
	pt4[2]=pt0[2];

	plan.A = vt[0];
	plan.B = vt[1];
	plan.C = vt[2];
	plan.D = 0.0 - (vt[0] * pt0[0] + vt[1] * pt0[1] + vt[2] * pt0[2]);

	double l, m, n, t;
	double mid_var1, mid_var2;

	l = pt2[0] - pt1[0];
	m = pt2[1] - pt1[1];
	n = pt2[2] - pt1[2];

	mid_var1 = l * (plan.A) + m * (plan.B) + n * (plan.C);
	if (fabs(mid_var1) < 0.000001) 
	{
		return 0.0;
	}

	mid_var2 = (plan.D) + pt1[0] * (plan.A) + pt1[1] * (plan.B) + pt1[2] * (plan.C);
	t = 0.0 - mid_var2 / mid_var1;

	pt4[0] = pt1[0] + l * t;
	pt4[1] = pt1[1] + m * t;
	pt4[2] = pt1[2] + n * t;

	double dist = ads_distance(pt0, pt4);
	return dist;
}

inline XPoint operator + (const XPoint & pt1, const XPoint & pt2)
{
	return Point(pt1.x + pt2.x, pt1.y + pt2.y, pt1.z + pt2.z);
}

inline XPoint operator - (const XPoint & pt1, const XPoint & pt2)
{
	return Point(pt1.x - pt2.x, pt1.y - pt2.y, pt1.z - pt2.z);
}

inline XPoint Max(const XPoint &pt1, const XPoint &pt2)
{
	XPoint upPt;
	upPt.x = max(pt1.x, pt2.x);
	upPt.y = max(pt1.y, pt2.y);
	upPt.z = max(pt1.z, pt2.z);
	return upPt;
}

inline XPoint Min(const XPoint &pt1, const XPoint &pt2)
{
	XPoint lowPt;
	lowPt.x = min(pt1.x, pt2.x);
	lowPt.y = min(pt1.y, pt2.y);
	lowPt.z = min(pt1.z, pt2.z);
	return lowPt;
}

#endif