/////////////////////////////////////////////////////////////////////////////// 
// Copyright (C) 2002-2025, 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
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// 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) 2002-2025 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 __TNW_GEOMETRY_SHELL_H__
#define __TNW_GEOMETRY_SHELL_H__

#include "NwGeometry.h"
#include "NwTriangleIndexes.h"
#include "UInt16Array.h"

/** Forward declaration of the OdNwVerticesData class. */
class OdNwVerticesData;

/** \details
  This template class is a specialization of the OdSmartPtr class for
  OdNwVerticesData object pointers.
*/
typedef OdSmartPtr<OdNwVerticesData> OdNwVerticesDataPtr;

/** \details
  This class represents geometry with the shell type.

  <group OdNw_Classes>
*/
class NWDBEXPORT OdNwGeometryShell : public OdNwGeometry
{
  //DOM-IGNORE-BEGIN
  ODRX_DECLARE_MEMBERS(OdNwGeometryShell);
  //DOM-IGNORE-END

public:
  /** \details
    Default constructor. Creates a new OdNwGeometryMesh object.
  */
  OdNwGeometryShell();

public:
  /** \details
    Virtual destructor. Releases allocated resources.
  */
  virtual ~OdNwGeometryShell();

public:

  /** \details
    Gets an array with the number of vertices per face.

    \returns An OdArray object with the number of vertices per face.
  */
  OdUInt16Array getVerticesPerFace() const;

  /** \details
    Gets an array with the indices for this mesh.

    \returns An OdArray object with the indices.
  */
  OdUInt16Array getIndices() const;

  /** \details
    Gets an array with the triangles for this shell.

    \returns An OdArray object with the trianglulated faces. Each element of the
    face is a 0-based index of a vertex.

    \remarks
    Each element of a triangle is a 0-based index of vertex instead of 1-based
    returned by the getFaces() method.
  */
  OdArray<OdNwTriangleIndexes> getTriangles();

  /** \details
    Gets a vertices data object.

    \returns The OdNwVerticesDataPtr objects with vertices, normals, colors etc.
  */
  OdNwVerticesDataPtr getVerticesData() const;
};

/** \details
  This template class is a specialization of the OdSmartPtr class for
  OdNwGeometryShell object pointers.
*/
typedef OdSmartPtr<OdNwGeometryShell> OdNwGeometryShellPtr;

#endif //__TNW_GEOMETRY_SHELL_H__