VHierarchyNodeIndex.hh

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//=============================================================================
//
//  CLASS newClass
//
//=============================================================================
 
#ifndef OPENMESH_VDPROGMESH_VHIERARCHYNODEINDEX_HH
#define OPENMESH_VDPROGMESH_VHIERARCHYNODEINDEX_HH
 
//== INCLUDES =================================================================
 
#include <vector>
#include <cassert>
 
//== FORWARDDECLARATIONS ======================================================
 
 
//== NAMESPACES ===============================================================
 
namespace OpenMesh {
namespace VDPM {
 
//== CLASS DEFINITION =========================================================
 
              
class VHierarchyNodeIndex
{
private:
  unsigned int value_;
 
public:
 
  static const VHierarchyNodeIndex  InvalidIndex;
 
public:
 
  VHierarchyNodeIndex()
  { value_ = 0; }
  
  explicit VHierarchyNodeIndex(unsigned int _value)
  { value_ = _value; }
 
  VHierarchyNodeIndex(unsigned int   _tree_id, 
                      unsigned int   _node_id, 
                      unsigned short _tree_id_bits)
  {
    assert(_tree_id < ((unsigned int) 0x00000001 << _tree_id_bits));
    assert(_node_id < ((unsigned int) 0x00000001 << (32 - _tree_id_bits)));
    value_ = (_tree_id << (32 - _tree_id_bits)) | _node_id;
  }
 
  bool is_valid(unsigned short _tree_id_bits) const
  { return  node_id(_tree_id_bits) != 0 ? true : false;  }
 
  unsigned int tree_id(unsigned short _tree_id_bits) const
  { return  value_ >> (32 - _tree_id_bits); }
  
  unsigned int node_id(unsigned short _tree_id_bits) const
  { return  value_ & ((unsigned int) 0xFFFFFFFF >> _tree_id_bits); }
 
  bool operator< (const VHierarchyNodeIndex &other) const
  { return  (value_ < other.value_) ? true : false; }
 
  unsigned int value() const
  { return  value_; }
};
 
 
typedef std::vector<VHierarchyNodeIndex>    VHierarchyNodeIndexContainer;
 
 
//=============================================================================
} // namespace VDPM
} // namespace OpenMesh
//=============================================================================
#endif //  OPENMESH_VDPROGMESH_VHIERARCHYNODEINDEX_HH defined
//=============================================================================