CellConnectivity.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* CellConnectivity.h                                          (C) 2000-2026 */
/*                                                                           */
/* Information on the connectivity of a cell.                                */
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#ifndef ARCANE_GEOMETRIC_CELLCONNECTIVITY_H
#define ARCANE_GEOMETRIC_CELLCONNECTIVITY_H
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#include "arcane/geometry/GeomType.h"
#include "arcane/geometry/GeometricConnectic.h"
#include "arcane/geometry/ItemStaticInfo.h"
 
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namespace Arcane::geometric
{
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using namespace Arcane;
 
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/*!
 * \ingroup ArcaneGeometric
 * \brief Information on the connectivity of a cell.
 */
class CellConnectivity
{
 public:
 
  CellConnectivity(Integer nb_node, Integer nb_edge, Integer nb_face, GeomType cell_type)
  : m_nb_node(nb_node)
  , m_nb_edge(nb_edge)
  , m_nb_face(nb_face)
  , m_cell_type(cell_type)
  {
  }
 
 public:
 
  Integer nbNode() const { return m_nb_node; }
  Integer nbEdge() const { return m_nb_edge; }
  Integer nbFace() const { return m_nb_face; }
 
  //! Number of control sub-volumes
  Integer nbSubZone() const { return m_nb_sub_zone; }
  //! Number of internal SVC faces
  Integer nbSubZoneFace() const { return m_nb_svc_face; }
  const Integer* nodeAssociation() const { return m_node_association; }
  const NodeConnectic* nodeConnectic() const { return m_node_connectic; }
  const EdgeConnectic* edgeConnectic() const { return m_edge_connectic; }
  const FaceConnectic* faceConnectic() const { return m_face_connectic; }
  const SVCFaceConnectic* SCVFaceConnectic() const { return m_svc_face_connectic; }
  //! Cell type (GeomType::Quad4, GeomType::Hexaedron8, ...)
  GeomType cellType() const { return m_cell_type; }
 
 protected:
 
  Integer m_nb_sub_zone = 0; //!< Number of control sub-volumes
  Integer m_nb_svc_face = 0; //!< Number of internal SVC faces
  //! Local number of the vertex associated with the control sub-volume
  const Integer* m_node_association = nullptr;
  const NodeConnectic* m_node_connectic = nullptr;
  const EdgeConnectic* m_edge_connectic = nullptr;
  const FaceConnectic* m_face_connectic = nullptr;
  const SVCFaceConnectic* m_svc_face_connectic = nullptr;
 
 public:
 
  //! Local numbers in the control sub-volumes
  Integer m_edge_node_sub_zone_id[3];
  Integer m_face_node_sub_zone_id[3];
  //! Connectic for edges
  Integer m_edge_direct_connectic[ItemStaticInfo::MAX_CELL_EDGE * 2];
 
 protected:
 
  Integer m_nb_node;
  Integer m_nb_edge;
  Integer m_nb_face;
  Int32* m_edge_first_node = nullptr;
  Int32* m_edge_second_node = nullptr;
  GeomType m_cell_type;
 
 protected:
 
  inline void _setEdgeDirectConnectic();
};
 
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/*!
 * \ingroup ArcaneGeometric
 * \brief Connectivity information for geometric elements of type IT_NullType.
 */
class NullConnectivity
: public CellConnectivity
{
 public:
 
  NullConnectivity()
  : CellConnectivity(0, 0, 0, GeomType::NullType)
  {
    _init();
  }
 
 public:
 
  Integer nbNode() const { return 0; }
  Integer nbEdge() const { return 0; }
  Integer nbFace() const { return 0; }
 
 public:
 private:
 
  void _init();
};
 
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#include "arcane/geometry/GeneratedConnectivity.h"
 
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} // namespace Arcane::geometric
 
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#endif