vtkHyperTreeGridNonOrientedSuperCursor.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkHyperTreeGridNonOrientedSuperCursor_h
#define vtkHyperTreeGridNonOrientedSuperCursor_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
#include "vtkSmartPointer.h" // Used internally

#include "vtkHyperTreeGridGeometryLevelEntry.h" // Used Internally

#include <vector> // For std::vector

VTK_ABI_NAMESPACE_BEGIN
class vtkHyperTree;
class vtkHyperTreeGrid;
class vtkHyperTreeGridNonOrientedGeometryCursor;
class vtkHyperTreeGridOrientedGeometryCursor;

class VTKCOMMONDATAMODEL_EXPORT vtkHyperTreeGridNonOrientedSuperCursor : public vtkObject
{
public:
  vtkTypeMacro(vtkHyperTreeGridNonOrientedSuperCursor, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  virtual vtkHyperTreeGridNonOrientedSuperCursor* Clone();

  virtual void Initialize(vtkHyperTreeGrid* grid, vtkIdType treeIndex, bool create = false) = 0;


  vtkHyperTreeGrid* GetGrid();


  bool HasTree();

  bool HasTree(unsigned int icursor);


  vtkHyperTree* GetTree();
  vtkHyperTree* GetTree(unsigned int icursor);

  vtkIdType GetVertexId();
  vtkIdType GetVertexId(unsigned int icursor);

  vtkIdType GetGlobalNodeIndex();

  vtkIdType GetGlobalNodeIndex(unsigned int icursor);

  vtkHyperTree* GetInformation(
    unsigned int icursor, unsigned int& level, bool& leaf, vtkIdType& id);

  unsigned char GetDimension();

  unsigned char GetNumberOfChildren();

  void SetGlobalIndexStart(vtkIdType index);

  void SetGlobalIndexFromLocal(vtkIdType index);

  double* GetOrigin();
  double* GetOrigin(unsigned int icursor);

  double* GetSize();

  void SetMask(bool state);
  void SetMask(unsigned int icursor, bool state);

  bool IsMasked();
  bool IsMasked(unsigned int icursor);


  void GetBounds(double bounds[6]);
  void GetBounds(unsigned int icursor, double bounds[6]);


  void GetPoint(double point[3]);
  void GetPoint(unsigned int icursor, double point[3]);

  bool IsLeaf();
  bool IsLeaf(unsigned int icursor);

  void SubdivideLeaf();

  bool IsRoot();

  unsigned int GetLevel();
  unsigned int GetLevel(unsigned int icursor);

  void ToChild(unsigned char ichild);

  void ToRoot();

  void ToParent();

  unsigned int GetNumberOfCursors() const { return this->NumberOfCursors; }

  unsigned int GetIndiceCentralCursor() const { return this->IndiceCentralCursor; }

  vtkSmartPointer<vtkHyperTreeGridOrientedGeometryCursor> GetOrientedGeometryCursor(
    unsigned int icursor);

  vtkSmartPointer<vtkHyperTreeGridNonOrientedGeometryCursor> GetNonOrientedGeometryCursor(
    unsigned int icursor);

protected:
  vtkHyperTreeGridNonOrientedSuperCursor();

  ~vtkHyperTreeGridNonOrientedSuperCursor() override;

  vtkHyperTreeGrid* Grid;

  vtkSmartPointer<vtkHyperTreeGridNonOrientedGeometryCursor> CentralCursor;

  unsigned int CurrentFirstNonValidEntryByLevel;
  std::vector<unsigned int> FirstNonValidEntryByLevel;
  std::vector<vtkHyperTreeGridGeometryLevelEntry> Entries;

  unsigned int FirstCurrentNeighboorReferenceEntry;
  std::vector<unsigned int> ReferenceEntries;

  unsigned int GetIndiceEntry(unsigned int icursor);

  unsigned int GetIndicePreviousEntry(unsigned int icursor);

  unsigned int IndiceCentralCursor;

  /*
   * Number of cursors in supercursor.
   */
  unsigned int NumberOfCursors;

  /*
   * Super cursor traversal table to go retrieve the parent index for each cursor
   * of the child node. There are f^d * NumberOfCursors entries in the table.
   */
  const unsigned int* ChildCursorToParentCursorTable;

  /*
   * Super cursor traversal table to go retrieve the child index for each cursor
   * of the child node. There are f^d * NumberOfCursors entries in the table.
   */
  const unsigned int* ChildCursorToChildTable;

private:
  vtkHyperTreeGridNonOrientedSuperCursor(const vtkHyperTreeGridNonOrientedSuperCursor&) = delete;
  void operator=(const vtkHyperTreeGridNonOrientedSuperCursor&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif