vtkStaticFaceHashLinksTemplate.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkStaticFaceHashLinksTemplate_h
#define vtkStaticFaceHashLinksTemplate_h
 
#include "vtkABINamespace.h"
#include "vtkType.h"
 
#include <memory>
#include <vector>
 
VTK_ABI_NAMESPACE_BEGIN
class vtkUnstructuredGrid;
VTK_ABI_NAMESPACE_END
 
VTK_ABI_NAMESPACE_BEGIN
template <typename TInputIdType, typename TFaceIdType>
class vtkStaticFaceHashLinksTemplate
{
public:
  vtkStaticFaceHashLinksTemplate() = default;
 
  void BuildHashLinks(vtkUnstructuredGrid* input);
 
  void Reset();
 
  vtkIdType GetNumberOfFaces() const { return this->NumberOfFaces; }
 
  vtkIdType GetNumberOfHashes() const { return this->NumberOfHashes; }
 
  vtkIdType GetNumberOfFacesInHash(vtkIdType hash) const
  {
    return this->FaceOffsets.get()[hash + 1] - this->FaceOffsets.get()[hash];
  }
 
  TInputIdType* GetCellIdOfFacesInHash(vtkIdType hash) const
  {
    return this->CellIdOfFaceLinks.get() + this->FaceOffsets.get()[hash];
  }
 
  TFaceIdType* GetFaceIdOfFacesInHash(vtkIdType hash) const
  {
    return this->FaceIdOfFaceLinks.get() + this->FaceOffsets.get()[hash];
  }
 
protected:
  vtkIdType NumberOfFaces = 0;
  vtkIdType NumberOfHashes = 0;
  std::shared_ptr<TInputIdType> CellIdOfFaceLinks;
  std::shared_ptr<TFaceIdType> FaceIdOfFaceLinks;
  std::shared_ptr<vtkIdType> FaceOffsets;
 
private:
  vtkStaticFaceHashLinksTemplate(const vtkStaticFaceHashLinksTemplate&) = delete;
  void operator=(const vtkStaticFaceHashLinksTemplate&) = delete;
 
  struct GeometryInformation;
 
  struct CountFaces;
 
  template <typename TCellOffSetIdType>
  struct CreateFacesInformation;
 
  template <typename TCellOffSetIdType>
  struct CountHashes;
 
  struct PrefixSum;
 
  template <typename TCellOffSetIdType>
  struct BuildFaceHashLinks;
 
  template <typename TCellOffSetIdType>
  void BuildHashLinksInternal(vtkUnstructuredGrid* input, GeometryInformation& geometryInformation);
};
 
VTK_ABI_NAMESPACE_END
#include "vtkStaticFaceHashLinksTemplate.txx"
 
#endif // vtkStaticFaceHashLinksTemplate_h
// VTK-HeaderTest-Exclude: vtkStaticFaceHashLinksTemplate.h