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

TGGePface::~TGGePface()
{

}
int TGGePface::Make(const TCHAR *pszLay)
{
   TGGePolyFacet a(1,2,3);
   TCHAR clayer[80] = _T("");
   TGGetVar(_T("CLAYER"), clayer);

   const TCHAR * layer = pszLay ? pszLay : clayer;

   TADSGePoint3d pp;
   int vtNum = Length();
   MakeEntity(RTDXF0, _T("POLYLINE"), 10, &pp, 66, 1,
              8, layer, 70, 64, 71, vtNum, 72, 1, NULL);
  
   TGGePface &pface = *this;
   for (int i = 0; i < vtNum; i++)
   {
	   MakeEntity(RTDXF0, _T("VERTEX"), 8, layer, 10, pface[i], 70, 192, NULL);
   }

   int nFaceNum = faces.Length();
   for (i = 0; i < nFaceNum; i++)
   {
	   faces[i]->Make(layer);
   }

   return MakeEntity(RTDXF0, _T("SEQEND"), NULL);
}

GEOAPI TGGePface * ConstructPolyFace(const AcDbVoidPtrArray &entSet)
{
    TGGePface *pMesh = new TGGePface;
    TGGePface &faces = *pMesh;
    int nCount = entSet.length();
    for (int n = 0; n<nCount; n++) 
	{
        AcDbEntity *pEnt = (AcDbEntity *)entSet[n];
        AcDbFace *pFace = AcDbFace::cast(pEnt);
        if (pFace) 
		{
            TADSGePoint3d vertex[4];
            int vertice[4];
            for (int idx = 0; idx<4; idx++) 
			{
                VERIFY(pFace->getVertexAt(idx, vertex[idx]) == Acad::eOk);
                Adesk::Boolean bVis = Adesk::kTrue;
                VERIFY(pFace->isEdgeVisibleAt(idx, bVis) == Acad::eOk);
                vertice[idx] = faces.NewAppend(vertex[idx])+1;
                if (!bVis)
				{
                    vertice[idx] = -vertice[idx];
				}
            }
            pMesh->faces.Append(new TGGePolyFacet(vertice[0], vertice[1], vertice[2], vertice[3]));
        }
    }
    if (pMesh->Length() == 0 || pMesh->faces.Length() == 0) 
	{
        delete pMesh;
        pMesh = NULL;
    }
    return pMesh;
}