envi-code/SourceCode/Code2026/tg_shs/shs_siteplan/TlandScapeDragjig.cpp

#include "stdafx.h"
#include "TlandScapeDragjig.h"
#include <gepnt2d.h>
#include "TDbRoadEntity.h"
#include "LandScapeStyle.h"
#include "GlwGlobalVariable.h"
using namespace RoadDrag;
extern void Point3DTo2D(AcGePoint3d &ptOri, AcGePoint2d &ptDest);

inline bool KeyRet(AcEdJig::DragStatus ret)
{
	return ret >= AcEdJig::kKW1 && ret <= AcEdJig::kKW9;
}

CString CLandScapeStateData::m_arSzPrompt[] = 
{
	_T("\n指定起点<退出>: "), 
	_T("\n直段下一点或[弧段(A)] <退出>: "), 
	_T("\n直段下一点或[弧段(A) /回退(U)] <退出>: "), 
	_T("\n直段下一点或[弧段(A) /回退(U) /闭合(C)] <退出>: "), 
	_T("\n弧段终点或[直段(L)] <退出>: "), 
	_T("\n弧段终点或[直段(L)/回退(U)] <退出>: "), 
	_T("\n点取弧上任意点<结束>: ")
};

CString CLandScapeStateData::m_szKeyListLine = _T("A");
CString CLandScapeStateData::m_szKeyListNextLine = _T("A U C");
CString CLandScapeStateData::m_szKeyListArc = _T("L");
CString CLandScapeStateData::m_szKeyListNextArc = _T("L U");
CString CLandScapeStateData::m_szKeyListArcRad = _T("U");


TlandScapeDragjig::TlandScapeDragjig(CLandScapeStyle* landStyle)
	: m_pLandStyle(landStyle)
{
	m_pState = NULL;
	m_pLineRoad = new TDbLineLandScapeEntity();
	m_pArcRoad = new TDbArcLandScapeEntity();
	m_pRoad = new CMixRoadForJig(m_pLineRoad, m_pArcRoad);
	NullShow(); // 初始不绘制。
}

TlandScapeDragjig::~TlandScapeDragjig(void)
{
	// 当然，如果该实体被添加到了CAD中，该实体不需要删除，
	// 因此，实体被绘制之后，需要取消针对该实体的引用（置空）
	ASSERT(m_pLineRoad != NULL);
	ASSERT(m_pArcRoad != NULL);
	ASSERT(m_pRoad != NULL);

	delete m_pRoad;
	m_pRoad = NULL;
	delete m_pLineRoad;
	m_pLineRoad = NULL;
	delete m_pArcRoad;
	m_pArcRoad = NULL;

	//m_pDrawDlg->SetCmdNum(1);
}

// 读取对话框的内容，构造圆弧道路
Adesk::Boolean TlandScapeDragjig::ConArcRoad()
{
	CLandScapeStyle* pLandScape = GET_GLOBAL_VARIABLE(CLandScapeStyle);
	//ASSERT(m_pDrawDlg != NULL);

	if (m_ptFirst.distanceTo(m_ptNext) < 1.0
		|| m_ptFirst.distanceTo(m_ptThird) < 1.0
		|| m_ptThird.distanceTo(m_ptNext) < 1.0
		)
	{
		return Adesk::kFalse;
	}

	m_pArcRoad->SetArcRoad(m_ptFirst, m_ptThird, m_ptNext, m_pLandStyle);

	m_pRoad->SetState(CMixRoadForJig::eArc);

	return Adesk::kTrue;
}

// 读取对话框的内容，构造直线道路。
Adesk::Boolean TlandScapeDragjig::ConLineRoad()
{
	if (m_ptFirst.distanceTo(m_ptNext) < 1.0)
	{
		return Adesk::kFalse;
	}

	m_pLineRoad->SetLineRoad(m_ptFirst, m_ptNext, m_pLandStyle);

	m_pRoad->SetState(CMixRoadForJig::eLine);

	return Adesk::kTrue;
}
Adesk::Boolean TlandScapeDragjig::NullShow()
{
	m_pRoad->SetState(CMixRoadForJig::eNone);
	return Adesk::kTrue;
}

void TlandScapeDragjig::NextPoint()
{
	m_ptFirst = m_ptNext;
}

void TlandScapeDragjig::DoIt()
{
	ASSERT(m_pState != NULL);
	m_pState->Drag();
}

// overide of parent cls
AcEdJig::DragStatus TlandScapeDragjig::sampler()
{
	//m_pDrawDlg->SetCmdNum(2);
	setUserInputControls((UserInputControls)
		(AcEdJig::kAccept3dCoordinates | AcEdJig::kNullResponseAccepted
		| AcEdJig::kNoNegativeResponseAccepted
		| AcEdJig::kNoZeroResponseAccepted));

	ASSERT(m_pState != NULL);
	return m_pState->sampler();
}

Adesk::Boolean TlandScapeDragjig::update()
{
	ASSERT(m_pState != NULL);
	return m_pState->update();
}

AcDbEntity* TlandScapeDragjig::entity() const
{
	return m_pRoad;// 这个road中集成几种道路类型
}

//////////////////////////////////////////////////////////////////////////
// state fun!!

CLandScapeStateData::CLandScapeStateData (TlandScapeDragjig *jig, TLandScapeDragContext *pContext) : m_pRoadJig(jig), m_pContext(pContext) 
{

}

CLandScapeStateData::~CLandScapeStateData()
{

}


AcEdJig::DragStatus CLandScapeStateData::LineSamplerFun(CString &m_szKeyList)
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setKeywordList(m_szKeyList);
	AcGePoint3d ptDump;
	AcEdJig::DragStatus ret = m_pRoadJig->acquirePoint(ptDump, POINT_2D_TO_3D(PtFirst()));

	if (ret == AcEdJig::kNormal)
	{
		AcGePoint2d ptDump2d;
		Point3DTo2D(ptDump, ptDump2d);
		m_pRoadJig->m_ptNext = ptDump2d;
		if (m_pRoadJig->m_ptFirst.distanceTo(ptDump2d) < 1.0)
			return AcEdJig::kNoChange;

		if (m_pRoadJig->m_ptCheck.distanceTo(ptDump2d) < 1.0)
			return AcEdJig::kNoChange;
		else
			m_pRoadJig->m_ptCheck = ptDump2d;
	}

	return ret; // 需要处理，然后生成实体
}

AcEdJig::DragStatus CLandScapeStateData::ArcSamplerFun(CString &m_szKeyList)
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setKeywordList(m_szKeyList);
	AcGePoint3d ptDump;
	AcEdJig::DragStatus ret = m_pRoadJig->acquirePoint(ptDump, POINT_2D_TO_3D(PtFirst()));

	if (ret == AcEdJig::kNormal)
	{
		AcGePoint2d ptDump2d;
		Point3DTo2D(ptDump, ptDump2d);

		m_pRoadJig->m_ptNext = ptDump2d;

		if (PtFirst().distanceTo(ptDump2d) < 1.0)
			return AcEdJig::kNoChange;
	}

	return ret;
}

// First in
AcEdJig::DragStatus CLandScapeFirstInState::Drag()
{
	m_pRoadJig->setDispPrompt(m_arSzPrompt[TLandScapeDragContext::eFirstIn]);

	AcEdJig::DragStatus ret = m_pRoadJig->drag();

	// 需要判断的返回类型：
	// 1、正常选中一个点，
	// 2、其他
	if (ret == AcEdJig::kNormal)
	{ // 应该是进入下一个状态了。
		m_pContext->SetSequenceState(m_pContext->SequenceAfterFirstIn());
	}
	else
	{
		m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
	}

	return ret;
}

// 取点
AcEdJig::DragStatus CLandScapeFirstInState::sampler()
{
	AcGePoint3d ptDump;
	AcEdJig::DragStatus ret = m_pRoadJig->acquirePoint(ptDump);

	// 这个决定了drag的返回值
	if (ret == AcEdJig::kNormal)
	{
		Point3DTo2D(ptDump, PtFirst());
		m_pContext->RecordFirstPoint(PtFirst());
		m_pRoadJig->NullShow();

		return AcEdJig::kNoChange;
	}

	return ret; // 需要处理，然后生成实体
}

Adesk::Boolean CLandScapeFirstInState::update()
{
	return m_pRoadJig->NullShow();
}

// LineRoad
AcEdJig::DragStatus CLineLandScapeState::Drag()
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setDispPrompt(m_arSzPrompt[TLandScapeDragContext::eLineRoad]);

	AcEdJig::DragStatus ret;
	INITGET_BEG(-1, m_szKeyListLine)
		ret = m_pRoadJig->drag();
	INITGET_END()

		if (ret == AcEdJig::kNull)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}
		else if (ret == AcEdJig::kNormal)
		{
			// 下一个道路了
			m_pContext->PushPoint(PtFirst());
			m_pContext->SetSequenceState(TLandScapeDragContext::eNextLineRoad);
			m_pRoadJig->NextPoint();
			m_pContext->AddLineRoad(m_pRoadJig->m_pLineRoad);
		}
		else if (ret == AcEdJig::kKW1)
		{ // 关键字1，切换到圆弧
			m_pContext->SetSequenceState(TLandScapeDragContext::eArcRoad);
		}
		else
		{ // 其他的情况！
			// do Nothing!!
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}

		return ret;
}

AcEdJig::DragStatus CLineLandScapeState::sampler()
{
	return LineSamplerFun(m_szKeyListLine);
}

Adesk::Boolean CLineLandScapeState::update()
{
	ASSERT(m_pRoadJig != NULL);

	// 这时候，需要处理实体
	return m_pRoadJig->ConLineRoad();
}


// NextLineRoad
AcEdJig::DragStatus CNextLineLandScapeState::Drag()
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setDispPrompt(m_arSzPrompt[TLandScapeDragContext::eNextLineRoad]);

	AcEdJig::DragStatus ret;
	INITGET_BEG(-1, m_szKeyListNextLine)
		ret = m_pRoadJig->drag();
	INITGET_END()

		if (ret == AcEdJig::kNull)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}
		else if (ret == AcEdJig::kNormal)
		{
			// still this state
			m_pContext->PushPoint(PtFirst());
			m_pContext->SetSequenceState(TLandScapeDragContext::eThirdLineRoad);
			m_pRoadJig->NextPoint();
			m_pContext->AddLineRoad(m_pRoadJig->m_pLineRoad);
		}
		else if (ret == AcEdJig::kKW1)
		{ // 关键字_T("A U C");
			m_pContext->SetSequenceState(TLandScapeDragContext::eNextArcRoad);
		}
		else if (ret == AcEdJig::kKW2)
		{// 关键字_T("A U C");
			PtFirst() = m_pContext->RoolBack();
		}
		else
		{ // 其他的情况！
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}

		return ret;
}

AcEdJig::DragStatus CNextLineLandScapeState::sampler()
{
	return LineSamplerFun(m_szKeyListNextLine);
}

Adesk::Boolean CNextLineLandScapeState::update()
{
	ASSERT(m_pRoadJig != NULL);

	// 这时候，需要处理实体
	return m_pRoadJig->ConLineRoad();
}


// NextLineRoad
AcEdJig::DragStatus CThirdLineLandScapeState::Drag()
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setDispPrompt(m_arSzPrompt[TLandScapeDragContext::eThirdLineRoad]);

	AcEdJig::DragStatus ret;
	INITGET_BEG(-1, m_szKeyListNextLine)
		ret = m_pRoadJig->drag();
	INITGET_END()

		if (ret == AcEdJig::kNull)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}
		else if (ret == AcEdJig::kNormal)
		{
			// still this state
			m_pContext->PushPoint(PtFirst());
			m_pContext->SetSequenceState(TLandScapeDragContext::eThirdLineRoad);
			m_pRoadJig->NextPoint();
			m_pContext->AddLineRoad(m_pRoadJig->m_pLineRoad);
		}
		else if (ret == AcEdJig::kKW1)
		{ // 关键字_T("A U C");
			m_pContext->SetSequenceState(TLandScapeDragContext::eNextArcRoad);
		}
		else if (ret == AcEdJig::kKW2)
		{// 关键字_T("A U C");
			PtFirst() = m_pContext->RoolBack();
		}
		else if (ret == AcEdJig::kKW3)
		{// 关键字_T("A U C");
			m_pRoadJig->MakeClosed(m_pContext->GetFirstPoint());
			if (m_pRoadJig->ConLineRoad())
				m_pContext->AddLineRoad(m_pRoadJig->m_pLineRoad);
			m_pContext->ClearStep();
			m_pContext->SetSequenceState(TLandScapeDragContext::eFirstIn);
			m_pContext->SetStateAfterFirstIn(TRUE);
		}
		else
		{ // 其他的情况！
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}

		return ret;
}

AcEdJig::DragStatus CThirdLineLandScapeState::sampler()
{
	return LineSamplerFun(m_szKeyListNextLine);
}

Adesk::Boolean CThirdLineLandScapeState::update()
{
	ASSERT(m_pRoadJig != NULL);

	// 这时候，需要处理实体
	return m_pRoadJig->ConLineRoad();
}

// ArcRoad
AcEdJig::DragStatus CArcLandScapeState::Drag()
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setDispPrompt(m_arSzPrompt[TLandScapeDragContext::eArcRoad]);

	AcEdJig::DragStatus ret;
	INITGET_BEG(-1, m_szKeyListArc)
		ret = m_pRoadJig->drag();
	INITGET_END()

		if (ret == AcEdJig::kNull)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eFirstIn);
			m_pContext->SetStateAfterFirstIn(FALSE);
			m_pContext->ClearStep();
		}
		else if (ret == AcEdJig::kNormal)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eArcMidRoad);
		}
		else if (ret == AcEdJig::kKW1)
		{ // 关键字1，切换到线段
			m_pContext->SetSequenceState(TLandScapeDragContext::eLineRoad);
		}
		else
		{ // 其他的情况！
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}

		return ret;
}

AcEdJig::DragStatus CArcLandScapeState::sampler()
{
	return ArcSamplerFun(m_szKeyListArc);
}

Adesk::Boolean CArcLandScapeState::update()
{
	return m_pRoadJig->NullShow();
}


// NextArcRoad
AcEdJig::DragStatus CNextArcLandScapeState::Drag()
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setDispPrompt(m_arSzPrompt[TLandScapeDragContext::eNextArcRoad]);

	AcEdJig::DragStatus ret;
	INITGET_BEG(-1, m_szKeyListNextArc)
		ret = m_pRoadJig->drag();
	INITGET_END()

		// 需要判断的返回类型：
		// 1、选中了一个点，（组成了一个线段回路）
		// 2、取消
		// 3、关键字选中
		// 3、其他，比如：右键，空格，回车等	
		if (ret == AcEdJig::kNull)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);

		}
		else if (ret == AcEdJig::kNormal)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eArcMidRoad);
		}
		else if (ret == AcEdJig::kKW1)
		{ // 关键字，切换到LineRoad，_T("L U");
			if (m_pContext->PushPointNum() >= 2)
				m_pContext->SetSequenceState(TLandScapeDragContext::eThirdLineRoad);
			else
				m_pContext->SetSequenceState(TLandScapeDragContext::eNextLineRoad);
		}
		else if (ret == AcEdJig::kKW2)
		{ // Undo；
			PtFirst() = m_pContext->RoolBack();
		}
		else
		{ // 其他的情况！
			// do Nothing!!
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}

		return ret;
}

AcEdJig::DragStatus CNextArcLandScapeState::sampler()
{
	return ArcSamplerFun(m_szKeyListNextArc);
}

Adesk::Boolean CNextArcLandScapeState::update()
{
	return m_pRoadJig->NullShow();
}


// MidArcRoad
AcEdJig::DragStatus CMidArcLandScapeState::Drag()
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setDispPrompt(m_arSzPrompt[TLandScapeDragContext::eArcMidRoad]);


	AcEdJig::DragStatus ret;
	INITGET_BEG(-1, m_szKeyListArcRad)
		ret = m_pRoadJig->drag();
	INITGET_END()

	// 需要判断的返回类型：
	// 1、选中了一个点，（组成了一个线段回路）
	// 2、取消
	// 3、关键字选中
	// 3、其他，比如：右键，空格，回车等	
	if (ret == AcEdJig::kCancel)
	{
		m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
	}
	else if (ret == AcEdJig::kNull)
	{
		m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
	}
	else if (ret == AcEdJig::kNormal)
	{
		m_pContext->PushPoint(PtFirst());
		m_pContext->SetSequenceState(TLandScapeDragContext::eNextArcRoad);
		m_pRoadJig->NextPoint();

		m_pContext->AddArcRoad(m_pRoadJig->m_pArcRoad);
	}
	else if (ret == AcEdJig::kKW1)
	{
		m_pContext->SetSequenceState(TLandScapeDragContext::eArcRad);

	}
	else if (ret == AcEdJig::kKW2)
	{ // Undo；
		PtFirst() = m_pContext->RoolBack();
	}
	else if (ret == AcEdJig::kNoChange)
	{
		// do nothing;
	}
	else
	{ // 其他的情况！
		m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
	}

	return ret;
}

AcEdJig::DragStatus CMidArcLandScapeState::sampler()
{
	ASSERT(m_pRoadJig != NULL);

	m_pRoadJig->setKeywordList(m_szKeyListArcRad);
	AcGePoint3d ptDump;
	AcEdJig::DragStatus ret = m_pRoadJig->acquirePoint(ptDump);

	if (ret == AcEdJig::kNormal)
	{
		AcGePoint2d ptDump2d;
		Point3DTo2D(ptDump, ptDump2d);
		if (PtFirst().distanceTo(ptDump2d) < 1.0)
			return AcEdJig::kNoChange;
		else if (m_pRoadJig->m_ptNext.distanceTo(ptDump2d) < 1.0)
			return AcEdJig::kNoChange;

		m_pRoadJig->m_ptThird = ptDump2d;
		if (m_pRoadJig->m_ptCheck.distanceTo(ptDump2d) < 1.0)
			return AcEdJig::kNoChange;
		else
			m_pRoadJig->m_ptCheck = ptDump2d;
	}

	return ret; // 需要处理，然后生成实体
}

Adesk::Boolean CMidArcLandScapeState::update()
{
	ASSERT(m_pRoadJig != NULL);

	return m_pRoadJig->ConArcRoad();
}

AcEdJig::DragStatus CArcRadLandScapeState::Drag()
{
	ASSERT(m_pRoadJig != NULL);
	CLandScapeStyle* pLandScape = GET_GLOBAL_VARIABLE(CLandScapeStyle);
	m_dArcRad = pLandScape->m_dArcRad;
	CString strPrompt = _T("输入半径");
	if (DocGetMeterUnitDraw())
	{
		strPrompt.Format(_T("\n输入半径<%.3f>"), m_dArcRad);
	}
	else
	{
		strPrompt.Format(_T("\n输入半径<%.0f>"), m_dArcRad);
	}
	m_pRoadJig->setDispPrompt(strPrompt);


	AcEdJig::DragStatus ret;
	INITGET_BEG(-1, m_szKeyListArcRad)
		ret = m_pRoadJig->drag();
	INITGET_END()
		// 需要判断的返回类型：
		// 1、选中了一个点，（组成了一个线段回路）
		// 2、取消
		// 3、关键字选中
		// 3、其他，比如：右键，空格，回车等	
		if (ret == AcEdJig::kCancel)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}
		/*else if (ret == AcEdJig::kNull)
		{
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}*/
		else if (ret == AcEdJig::kNormal || ret == AcEdJig::kNull || ret == AcEdJig::kOther)
		{
			m_pContext->PushPoint(PtFirst());
			m_pContext->SetSequenceState(TLandScapeDragContext::eNextArcRoad);
			m_pRoadJig->NextPoint();

			m_pContext->AddArcRoad(m_pRoadJig->m_pArcRoad);
		}

		else if (ret == AcEdJig::kNoChange)
		{
			// do nothing;
		}
		else
		{ // 其他的情况！
			m_pContext->SetSequenceState(TLandScapeDragContext::eSequenceCancel);
		}

		return ret;
}

AcEdJig::DragStatus CArcRadLandScapeState::sampler()
{
	ASSERT(m_pRoadJig != NULL);
	CLandScapeStyle* pLandScape = GET_GLOBAL_VARIABLE(CLandScapeStyle);
	double dTemp;
	XPoint ptBase;
	m_pRoadJig->setUserInputControls((AcEdJig::UserInputControls)
		(AcEdJig::kAccept3dCoordinates | AcEdJig::kNullResponseAccepted
		| AcEdJig::kNoNegativeResponseAccepted
		| AcEdJig::kNoZeroResponseAccepted));
	AcGePoint3d ptDump;
	AcEdJig::DragStatus ret = m_pRoadJig->acquireDist(dTemp, POINT_2D_TO_3D(m_pRoadJig->m_ptNext));
	
	if (ret == AcEdJig::kNormal)
	{
		if (fabs(dTemp-m_dArcRad)>_DIST_SNAP && dTemp > 0) {
			m_dArcRad = dTemp;
			pLandScape->m_dArcRad = m_dArcRad;
		} 
		else
		{
			return AcEdJig::kNoChange;
		}
	}

	return ret; // 需要处理，然后生成实体
}

Adesk::Boolean CArcRadLandScapeState::update()
{
	ASSERT(m_pRoadJig != NULL);

	XPoint ptBase, ptPrev;
	double nChordLen=m_pRoadJig->m_ptFirst.distanceTo(m_pRoadJig->m_ptNext);
	if(nChordLen<2.0*m_dArcRad+1.0E-6) {
		double bulge=2.0*asin(nChordLen/2.0/m_dArcRad);
		if(XLine((XPoint)m_pRoadJig->m_ptFirst, (XPoint)m_pRoadJig->m_ptNext).OnWhichSide(m_pRoadJig->m_ptCheck)==OFFSET_LEFT)
			bulge = -bulge;
		XArc* pxArc = new XArc((XPoint)m_pRoadJig->m_ptFirst, (XPoint)m_pRoadJig->m_ptNext, bulge);
		m_pRoadJig->m_ptThird = pxArc->MidPoint();
	}
	else
	{
		return Adesk::kFalse;
	}

	return m_pRoadJig->ConArcRoad();
}

//////////////////////////////////////////////////////////////////////////
// TRoadDragContext

TLandScapeDragContext::TLandScapeDragContext(CLandScapeStyle* pLandStyle) 
	: m_pLandStyle(pLandStyle), m_bLineAfterFirstrIn(TRUE), m_eSequence(eFirstIn)
{


}

TLandScapeDragContext::~TLandScapeDragContext()
{
	ClearStep();
}


void TLandScapeDragContext::AddArcRoad(TDbArcLandScapeEntity *pArcRoadEnt)
{
	ASSERT(pArcRoadEnt != NULL);
	CLandScapeStyle* pLandScape = GET_GLOBAL_VARIABLE(CLandScapeStyle);
	PickSet ssAll(SS_FREE);
	pLandScape->ssAll = ssAll;
	pLandScape->ssAll.IncludeBegin();
	CArcRoad *pArcRoad = pArcRoadEnt->CreateArcRoad(m_pLandStyle);
	AcGeCircArc2d circle2d = AcGeCircArc2d(AsMMUnitPoint2d(pArcRoadEnt->GetFirstPt()), AsMMUnitPoint2d(pArcRoadEnt->GetThirdPt()), AsMMUnitPoint2d(pArcRoadEnt->GetEndPt()));
	pLandScape->m_dArcRad = circle2d.radius();
	m_datas.AddArcRoad(*pArcRoad);
	delete pArcRoad;
	pArcRoad = NULL;
}

void TLandScapeDragContext::AddLineRoad(TDbLineLandScapeEntity *pLineRoadEnt)
{
	ASSERT(pLineRoadEnt != NULL);
	CLandScapeStyle* pLandScape = GET_GLOBAL_VARIABLE(CLandScapeStyle);
	PickSet ssAll(SS_FREE);
	pLandScape->ssAll = ssAll;
	pLandScape->ssAll.IncludeBegin();
	CLineRoad *pLineRoad = pLineRoadEnt->CreateLineRoad(m_pLandStyle);
	m_datas.AddLineRoad(*pLineRoad);
	delete pLineRoad;
	pLineRoad = NULL;
}

void TLandScapeDragContext::PushPoint(const AcGePoint2d &ptPush)
{
	m_arPushPoint.append(ptPush);
}

AcGePoint2d TLandScapeDragContext::PopPoint()
{
	if (PushPointNum() > 0)
	{
		PopSequence();// 调整状态
		AcGePoint2d ptPop = m_arPushPoint[m_arPushPoint.length() - 1];
		m_arPushPoint.removeLast();
		return ptPop;
	}
	else
	{
		ASSERT(0);
		return AcGePoint2d();
	}
}

AcGePoint2d TLandScapeDragContext::RoolBack() 
{
	m_datas.RoolBack();
	return PopPoint();
}



TLandScapeDragContext::ESequence TLandScapeDragContext::SequenceAfterFirstIn()
{
	return m_bLineAfterFirstrIn ? eLineRoad : eArcRoad;
}

void TLandScapeDragContext::PopSequence()
{
	ASSERT(PushPointNum() > 0);
	if (m_eSequence == eNextLineRoad)
	{
		m_eSequence = eLineRoad;
	}
	else if (m_eSequence == eThirdLineRoad)
	{
		if (PushPointNum() > 2)
			m_eSequence = eThirdLineRoad;
		else 
			m_eSequence = eNextLineRoad;
	}
	else if (m_eSequence == eNextArcRoad)
	{
		if (PushPointNum() > 1)
			m_eSequence = eNextArcRoad;
		else
			m_eSequence = eArcRoad;
	}
	else
	{
		ASSERT(0);
	}
}

void TLandScapeDragContext ::ClearStep()
{
	ClearAcaryAll(m_arPushPoint);
	m_datas.ClearStep();
}