vtkHyperTreeGridGeometryEntry.h

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

#include "vtkObject.h"

VTK_ABI_NAMESPACE_BEGIN
class vtkHyperTree;
class vtkHyperTreeGrid;

class vtkHyperTreeGridGeometryEntry
{
public:
  void PrintSelf(ostream& os, vtkIndent indent);

  vtkHyperTreeGridGeometryEntry();

  vtkHyperTreeGridGeometryEntry(vtkHyperTreeGridGeometryEntry const&) = default;
  vtkHyperTreeGridGeometryEntry& operator=(vtkHyperTreeGridGeometryEntry const&) = default;

  vtkHyperTreeGridGeometryEntry(vtkIdType index, const double* origin)
  {
    this->Index = index;
    for (unsigned int d = 0; d < 3; ++d)
    {
      this->Origin[d] = origin[d];
    }
  }

  ~vtkHyperTreeGridGeometryEntry() = default;

  void Dump(ostream& os);

  vtkHyperTree* Initialize(vtkHyperTreeGrid* grid, vtkIdType treeIndex, bool create = false);

  void Initialize(vtkIdType index, const double* origin)
  {
    this->Index = index;
    for (unsigned int d = 0; d < 3; ++d)
    {
      this->Origin[d] = origin[d];
    }
  }

  void Copy(const vtkHyperTreeGridGeometryEntry* entry)
  {
    this->Index = entry->Index;
    for (unsigned int d = 0; d < 3; ++d)
    {
      this->Origin[d] = entry->Origin[d];
    }
  }

  vtkIdType GetVertexId() const { return this->Index; }

  vtkIdType GetGlobalNodeIndex(const vtkHyperTree* tree) const;

  void SetGlobalIndexStart(vtkHyperTree* tree, vtkIdType index);

  void SetGlobalIndexFromLocal(vtkHyperTree* tree, vtkIdType index);

  void SetMask(const vtkHyperTreeGrid* grid, const vtkHyperTree* tree, bool state);

  bool IsMasked(const vtkHyperTreeGrid* grid, const vtkHyperTree* tree) const;

  bool IsLeaf(const vtkHyperTreeGrid* grid, const vtkHyperTree* tree, unsigned int level) const;

  void SubdivideLeaf(const vtkHyperTreeGrid* grid, vtkHyperTree* tree, unsigned int level);

  bool IsTerminalNode(
    const vtkHyperTreeGrid* grid, const vtkHyperTree* tree, unsigned int level) const;

  bool IsRoot() const { return (this->Index == 0); }

  void ToChild(const vtkHyperTreeGrid* grid, const vtkHyperTree* tree, unsigned int level,
    const double* sizeChild, unsigned char ichild);

  double* GetOrigin() { return this->Origin; }
  const double* GetOrigin() const { return this->Origin; }

  void GetBounds(const double* sizeChild, double bounds[6]) const
  {
    // Compute bounds
    bounds[0] = this->Origin[0];
    bounds[1] = this->Origin[0] + sizeChild[0];
    bounds[2] = this->Origin[1];
    bounds[3] = this->Origin[1] + sizeChild[1];
    bounds[4] = this->Origin[2];
    bounds[5] = this->Origin[2] + sizeChild[2];
  }

  void GetPoint(const double* sizeChild, double point[3]) const
  {
    // Compute center point coordinates
    point[0] = this->Origin[0] + sizeChild[0] / 2.;
    point[1] = this->Origin[1] + sizeChild[1] / 2.;
    point[2] = this->Origin[2] + sizeChild[2] / 2.;
  }

private:
  vtkIdType Index;

  double Origin[3];
};

VTK_ABI_NAMESPACE_END
#endif // vtkHyperTreeGridGeometryEntry_h
// VTK-HeaderTest-Exclude: vtkHyperTreeGridGeometryEntry.h