#include "stdafx.h"
#include "HZGQDlg.h"
#include "EarThwormDef.h"

void FreeBuffer(int n, AcDbVoidPtrArray& arEntPtrs)
{
	AcDbEntity* pEnt = NULL;
	while (arEntPtrs.length() > n)
	{
		pEnt = (AcDbEntity*)arEntPtrs.last();
		pEnt->erase();
		pEnt->close();
		DELETE_PTR(pEnt);
		arEntPtrs.removeLast();
	}
}

IMPLEMENT_DYNAMIC(CHZGQDlg, CDialog)

CHZGQDlg::CHZGQDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CHZGQDlg::IDD, pParent)
	, m_dW(800)
	, m_dH(800)
	, m_dV(700)
	, m_dAngle(0)
	, m_sMaterial(_T("素砼"))
	, m_sPurpose(_T("进水渠"))
	, m_dBomEl(0)
	, m_dT(10)
{
	GET_CACHE(CHZGQDlg
		, %f%f%f%f%f%f%s%s
		, &m_dW
		, &m_dH
		, &m_dV
		, &m_dAngle
		, &m_dBomEl
		, &m_dT
		, &m_sMaterial
		, &m_sPurpose);
}

CHZGQDlg::~CHZGQDlg()
{
}

void CHZGQDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_EDIT1, m_dW);
	DDX_Text(pDX, IDC_EDIT2, m_dH);
	DDX_Text(pDX, IDC_EDIT3, m_dV);
	DDX_Text(pDX, IDC_EDIT4, m_dAngle);
	DDX_Text(pDX, IDC_EDIT6, m_dBomEl);
	DDX_Text(pDX, IDC_EDIT7, m_dT);
	DDX_Text(pDX, IDC_EDIT5, m_sMaterial);
	DDX_Text(pDX, IDC_EDIT18, m_sPurpose);
}

BEGIN_MESSAGE_MAP(CHZGQDlg, CDialog)
	ON_BN_CLICKED(IDOK, &CHZGQDlg::OnBnClickedOk)
END_MESSAGE_MAP()

BOOL CHZGQDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	UpdateData(FALSE);

	return TRUE;
}

void CHZGQDlg::OnBnClickedOk()
{
	UpdateData();
	SET_CACHE(CHZGQDlg
		, %f%f%f%f%f%f%s%s
		, m_dW
		, m_dH
		, m_dV
		, m_dAngle
		, m_dBomEl
		, m_dT
		, m_sMaterial
		, m_sPurpose);
	OnOK();
}

AcDbRegion* CHZGQDlg::GetSection(AcGePoint3d& ptCen)
{
	AcGePoint3d ptGe[9];

	ptGe[0].set(0,0,0);
	ptGe[0].x -= 0.5 * m_dW;

	ptGe[1] = ptGe[0];
	ptGe[1].y += m_dH;

	ptGe[3].set(0,0,0);
	ptGe[3].y += m_dT;
	ptGe[3].x -= 0.5 * m_dV;

	double dA = m_dAngle * PI / 180.0;
	double dX = (m_dH - m_dT) * tan(dA);
	
	ptGe[2] = ptGe[3];
	ptGe[2].y += (m_dH - m_dT);
	ptGe[2].x -= dX;

	ptGe[4] = ptGe[3];
	ptGe[4].x += m_dV;

	ptGe[5] = ptGe[4];
	ptGe[5].x += dX;
	ptGe[5].y += (m_dH - m_dT);

	ptGe[6] = ptGe[0];
	ptGe[6].x += m_dW;
	ptGe[6].y += m_dH;

	ptGe[7] = ptGe[0];
	ptGe[7].x += m_dW;

	ptGe[8] = ptGe[0];

	AcDbVoidPtrArray arPtrs;
	AcDbLine* pLn = NULL;
	for (int i = 0;i < 8;i++)
	{
		pLn = new AcDbLine;
		pLn->setStartPoint(ptGe[i]);
		pLn->setEndPoint(ptGe[i+1]);
		arPtrs.append(pLn);
	}

	ptCen.set(0,0,0);

	AcDbVoidPtrArray arRegPtrs;
	AcDbRegion::createFromCurves(arPtrs,arRegPtrs);
	FreeBuffer(0,arPtrs);

	if (arRegPtrs.isEmpty())
	{
		return NULL;
	}
	AcDbRegion* pReg = (AcDbRegion*)arRegPtrs.first();
	return pReg;
}