GeShell.h

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// Copyright (C) 2002-2024, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2024 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef _ODGESHELL_INCLUDED_
#define _ODGESHELL_INCLUDED_ 
 
#include "TD_PackPush.h"
 
#include "Ge/GePoint3dArray.h"
#include "Ge/GeVector3dArray.h"
#include "DbStubPtrArray.h"
#include "Int32Array.h"
#include "UInt16Array.h"
#include "UInt8Array.h"
#include "CmEntityColorArray.h"
#include "CmTransparencyArray.h"
#include "GsMarkerArray.h"
#include "Gi/GiGeometry.h"

class OdGeShell
{
protected:
  int                   m_nFaceStartIndex;
public:
  
  OdGeShell() : m_nFaceStartIndex(-1) {}

  OdGePoint3dArray      vertices;

  OdInt32Array          faces;

  OdUInt16Array         edgeColors;

  OdCmEntityColorArray  edgeTrueColors;

  OdDbStubPtrArray edgeLayers;

  OdDbStubPtrArray edgeLinetypes;

  OdGsMarkerArray       edgeSelectionMarkers;

  OdUInt8Array          edgeVisibilities;

  OdUInt16Array         faceColors;

  OdCmEntityColorArray  faceTrueColors;

  OdDbStubPtrArray faceLayers;

  OdGeVector3dArray     faceNormals;

  OdGsMarkerArray       faceSelectionMarkers;

  OdUInt8Array          faceVisibilities;

  OdDbStubPtrArray faceMaterials;

  OdArray<OdGiMapper>   faceMappers;

  OdCmTransparencyArray faceTransparencies;

  OdGePoint3dArray textureCoords;

  OdGeVector3dArray vertexNormals;

  void addVertex(const OdGePoint3d& vertex)
  {
    vertices.push_back(vertex);
  }

  void endFace()
  {
    if(m_nFaceStartIndex>=0)
    {
      faces[m_nFaceStartIndex] *= (faces.size()-m_nFaceStartIndex-1);
      m_nFaceStartIndex = -1;
    }
  }

  void startFace(bool bHole = false)
  {
    ODA_ASSERT(m_nFaceStartIndex==-1); // endFace() wasn't called.
    m_nFaceStartIndex = faces.size();
    faces.push_back(bHole ? -1 : 1);
  }

  void addFaceVertex(int nVertexIndex)
  {
    edgeVisibilities.push_back(OdUInt8(nVertexIndex > 0));
    faces.push_back(Od_abs(nVertexIndex)-1);
  }

  void draw(OdGiGeometry& geometry)
  {
    ODA_ASSERT(m_nFaceStartIndex<0 || faces[m_nFaceStartIndex]>2); // endFace() wasn't called.
 
    OdGiEdgeData edgeData;
    if (!edgeColors.isEmpty()) 
      edgeData.setColors(edgeColors.getPtr());
    if (!edgeTrueColors.isEmpty()) 
      edgeData.setTrueColors(edgeTrueColors.getPtr());
    if (!edgeLayers.isEmpty())
      edgeData.setLayers((OdDbStub**)edgeLayers.getPtr());
    if (!edgeLinetypes.isEmpty()) 
      edgeData.setLinetypes((OdDbStub**)edgeLinetypes.getPtr());
    if (!edgeSelectionMarkers.isEmpty()) 
      edgeData.setSelectionMarkers(edgeSelectionMarkers.getPtr());
    if (!edgeVisibilities.isEmpty()) 
      edgeData.setVisibility(edgeVisibilities.getPtr());
 
    OdGiFaceData faceData;
    if (!faceColors.isEmpty())
      faceData.setColors(faceColors.getPtr());
    if (!faceTrueColors.isEmpty()) 
      faceData.setTrueColors(faceTrueColors.getPtr());
    if (!faceLayers.isEmpty()) 
      faceData.setLayers((OdDbStub**)faceLayers.getPtr());
    if (!faceNormals.isEmpty()) 
      faceData.setNormals(faceNormals.getPtr());
    if (!faceSelectionMarkers.isEmpty()) 
      faceData.setSelectionMarkers(faceSelectionMarkers.getPtr());
    if (!faceVisibilities.isEmpty()) 
      faceData.setVisibility(faceVisibilities.getPtr());
    if (!faceMaterials.isEmpty()) 
      faceData.setMaterials((OdDbStub**)faceMaterials.getPtr());
    if (!faceMappers.isEmpty()) 
      faceData.setMappers(faceMappers.getPtr());
    if (!faceTransparencies.isEmpty()) 
      faceData.setTransparency(faceTransparencies.getPtr());
 
    if (!textureCoords.isEmpty() || !vertexNormals.isEmpty())
    {
      OdGiVertexData pVertexData;
      if (!textureCoords.isEmpty())
        pVertexData.setMappingCoords(OdGiVertexData::kAllChannels, textureCoords.asArrayPtr());
      if (!vertexNormals.isEmpty())
        pVertexData.setNormals(vertexNormals.getPtr());
 
      geometry.shell(vertices.size(), vertices.getPtr(), faces.size(), faces.getPtr(), &edgeData, &faceData, &pVertexData);
    }
    else
      geometry.shell(vertices.size(), vertices.getPtr(), faces.size(), faces.getPtr(), &edgeData, &faceData);
  }
};
 
#include "TD_PackPop.h"
 
 
#endif // _ODGESHELL_INCLUDED_