//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TAdvanceSampler 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TAdvanceSampler 定义
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#include "StdAfx.h"
#include "TAdvanceSampler.h"
#include "TGGiScreenDrawStream.h"
#include "TchGlobalFunc.h"
#include "tchprivateglobalfunc.h"

TADSGePoint3d TAdvanceSampler::g_ptLastTemp;
TADSGePoint3d TAdvanceSampler::g_ptBase;
int TAdvanceSampler::g_nCtrlFlag = 0;
double TAdvanceSampler::g_nDirection = 0.0;

TAdvanceSampler::~TAdvanceSampler()
{

}

void TAdvanceSampler::Init(TADSGePoint3d ptBase, int nFlag)
{
	g_ptBase = g_ptLastTemp = ptBase;
	g_nCtrlFlag = nFlag;
	g_nDirection = 0.0;
}

int TAdvanceSampler::MoveSampler(ads_point pt0, ads_matrix mat)
{
    // Move操作时,没有基点,正交不起作用
    TADSGePoint3d pt;
	if(g_nCtrlFlag) 
	{
		TchExport::CapturePoint(g_ptBase, pt0, pt); //使得正交(Ortho)和捕捉(SNAP)起作用
	} 
	else 
	{
		TchExport::CapturePoint(NULL, pt0, pt); //使得正交(Ortho)和捕捉(SNAP)起作用
	}


	if(g_nCtrlFlag) 
	{
		TGGiScreenDrawStream dc(-1);
		dc << TGGeLine(g_ptBase, g_ptLastTemp);
		dc << TGGeLine(g_ptBase, pt);
		g_ptLastTemp = pt;
	}
	g_nDirection = ads_angle(g_ptBase, pt);

    pt = TchPrivate::Ucs2Wcs(pt);
    TchPrivate::Ucs2Wcs(g_ptBase).GetMoveMatrix(pt, mat);
    return RTNORM;
}