#ifndef WALL_GRAPH_H
#define WALL_GRAPH_H

class TWallEdge;
class TWallGraph;
extern TARCH_IMPEXP double g_nDistPrec;

class TUTIL_IMPEXP TWallNode:public XPoint,public WFlag
{
	friend class TWallEdge;
	friend class TWallGraph;
protected:
	DualList<TWallEdge*> m_allEdge;
public:
	TWallNode(XPoint pt):XPoint(pt){}
	void AppendEdge(TWallEdge*p){m_allEdge<<p;}//ok
	void SetPoint(XPoint pt){XPoint::operator =(pt);}//ok
	void Move(Quene<TWallNode*> &lstNodeEnd);
	bool operator ==(const TWallNode&n)const{return Distance2d(n)<_AS_SYS_UNIT(g_nDistPrec);}//ok
	bool operator >(const TWallNode&pt)const
	{
		double dx=x-pt.x;
		if(dx>_AS_SYS_UNIT(g_nDistPrec))
			return true;
		else if(dx<-_AS_SYS_UNIT(g_nDistPrec))
			return false;
		else
		{
			double dy=y-pt.y;
			return dy>_AS_SYS_UNIT(g_nDistPrec);
		}			
	}
	void Draw(int count)
	{
		TDbText *pText=new TDbText;
		XString s(_T("^C%d^C"),count);
		pText->SetText(s);
		pText->SetLocation(XPoint(x,y));
		pText->setColorIndex(3);
		pText->SetHeight(5);
		pText->SetStyleId(InitTextStyle(TS_AXIS));
		pText->SetAlignment(XExplodeDraw::kMiddleCenter);
		pText->AddToMSpace(Adesk::kTrue);
	}

	void GetMidNode(TWallNode*pOtherNode,Table<TWallNode*>&lstNode,Table<TWallEdge*> &lstEdge1,Table<TWallEdge*> &lstEdge2);
	bool GetSegOther(XCurveSegment seg1,XCurveSegment &seg2,bool bFirst=true);
	bool operator <(const TWallNode&pt)const{return pt>(*this);}//ok
};
class TUTIL_IMPEXP TWallEdge:public WFlag
{
	friend class TWallNode;
	friend class TWallGraph;
protected:
	TWallNode *m_pNode0,*m_pNode1;//起点，终点
	AcDbObjectId m_idWall;//墙
	double m_fBulge;//包络角
public:
	TWallEdge(AcDbObjectId idWall,TWallNode*pNode0,TWallNode*pNode1,double ang);
	
	AcDbObjectId GetWallId()const{return m_idWall;}//ok
	XCurveSegment GetCurve()const
	{
		TDbWall *pWall=NULL;
		acdbOpenObject(pWall,m_idWall,AcDb::kForRead);
		if(pWall!=NULL)
		{
			XCurveSegment cv=*pWall;
			pWall->close();
			cv.SetLineFlag(LS_INFINITE);
			return cv;
		}
		else
			return XCurveSegment(*m_pNode0,*m_pNode1,m_fBulge,LS_INFINITE);
	}//ok
	bool operator ==(const TWallEdge&e)const{return m_idWall==e.GetWallId();}//ok
	bool operator >(const TWallEdge&e)const{return m_idWall>e.m_idWall;}//ok
	bool operator <(const TWallEdge&e)const{return m_idWall<e.m_idWall;}//ok
};
class TUTIL_IMPEXP TWallGraph
{
public:
	PDList<TWallNode> m_allNode;
	PDList<TWallEdge> m_allEdge;
public:
	TWallGraph(AcDbObjectId idWall);
	TWallNode* FindOrAddNode(XPoint pt);
	bool AppendWall(AcDbObjectId idWall);
	void MoveNode(AcDbObjectId idWall,XPoint ptNewBase);
	void ConbineNode(TWallNode* pNode0,TWallNode* pNode1);
};

#endif