VHierarchy.hh

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//=============================================================================
//
//  CLASS newClass
//
//=============================================================================
 
#ifndef OPENMESH_VDPROGMESH_VHIERARCHY_HH
#define OPENMESH_VDPROGMESH_VHIERARCHY_HH
 
 
//== INCLUDES =================================================================
 
#include <vector>
#include <OpenMesh/Tools/VDPM/VHierarchyNode.hh>
 
 
//== FORWARDDECLARATIONS ======================================================
 
 
//== NAMESPACES ===============================================================
 
namespace OpenMesh {
namespace VDPM {
 
//== CLASS DEFINITION =========================================================
 
              
class OPENMESHDLLEXPORT VHierarchy
{
public:
 
  typedef unsigned int    id_t; 
 
private:
 
  VHierarchyNodeContainer nodes_;
  unsigned int            n_roots_;
  unsigned char           tree_id_bits_; // node_id_bits_ = 32-tree_id_bits_;
 
public:
  
  VHierarchy();
 
  void clear()                        { nodes_.clear();   n_roots_ = 0; }
  unsigned char tree_id_bits() const  { return tree_id_bits_; }
  unsigned int num_roots() const      { return n_roots_; }
  size_t num_nodes() const            { return nodes_.size(); }
 
  VHierarchyNodeIndex generate_node_index(id_t _tree_id, id_t _node_id)
  {
    return  VHierarchyNodeIndex(_tree_id, _node_id, tree_id_bits_);
  }
 
 
  void set_num_roots(unsigned int _n_roots);
  
  VHierarchyNodeHandle root_handle(unsigned int i) const
  {
    return  VHierarchyNodeHandle( (int)i );
  }
 
 
  const VHierarchyNode& node(VHierarchyNodeHandle _vhierarchynode_handle) const
  {
    return nodes_[_vhierarchynode_handle.idx()];
  }
 
 
  VHierarchyNode& node(VHierarchyNodeHandle _vhierarchynode_handle)
  {
    return nodes_[_vhierarchynode_handle.idx()];
  }
 
  VHierarchyNodeHandle add_node();
  VHierarchyNodeHandle add_node(const VHierarchyNode &_node);
 
  void make_children(const VHierarchyNodeHandle &_parent_handle);
 
  bool is_ancestor(VHierarchyNodeIndex _ancestor_index, 
                   VHierarchyNodeIndex _descendent_index);
  
  bool is_leaf_node(VHierarchyNodeHandle _node_handle)  
  { return nodes_[_node_handle.idx()].is_leaf(); }
 
  bool is_root_node(VHierarchyNodeHandle _node_handle)  
  { return nodes_[_node_handle.idx()].is_root(); }
 
 
  const OpenMesh::Vec3f& normal(VHierarchyNodeHandle _node_handle) const  
  {
    return  nodes_[_node_handle.idx()].normal(); 
  }
 
  const VHierarchyNodeIndex& 
  node_index(VHierarchyNodeHandle _node_handle) const
  { return  nodes_[_node_handle.idx()].node_index(); }
 
  VHierarchyNodeIndex& node_index(VHierarchyNodeHandle _node_handle)
  { return  nodes_[_node_handle.idx()].node_index(); }
 
  const VHierarchyNodeIndex& 
  fund_lcut_index(VHierarchyNodeHandle _node_handle) const
  { return  nodes_[_node_handle.idx()].fund_lcut_index(); }
 
  VHierarchyNodeIndex& fund_lcut_index(VHierarchyNodeHandle _node_handle)
  { return  nodes_[_node_handle.idx()].fund_lcut_index(); }
 
  const VHierarchyNodeIndex& 
  fund_rcut_index(VHierarchyNodeHandle _node_handle) const
  { return  nodes_[_node_handle.idx()].fund_rcut_index(); }
 
  VHierarchyNodeIndex& fund_rcut_index(VHierarchyNodeHandle _node_handle)
  { return  nodes_[_node_handle.idx()].fund_rcut_index(); }     
  
  VertexHandle  vertex_handle(VHierarchyNodeHandle _node_handle)
  { return  nodes_[_node_handle.idx()].vertex_handle(); }
 
  VHierarchyNodeHandle  parent_handle(VHierarchyNodeHandle _node_handle)
  { return nodes_[_node_handle.idx()].parent_handle(); }
 
  VHierarchyNodeHandle  lchild_handle(VHierarchyNodeHandle _node_handle)
  { return nodes_[_node_handle.idx()].lchild_handle(); }
 
  VHierarchyNodeHandle  rchild_handle(VHierarchyNodeHandle _node_handle)
  { return nodes_[_node_handle.idx()].rchild_handle(); }
 
  VHierarchyNodeHandle  node_handle(VHierarchyNodeIndex _node_index);
 
private:
  
  VHierarchyNodeHandle compute_dependency(VHierarchyNodeIndex index0, 
                                          VHierarchyNodeIndex index1);
 
};
 
 
 
//=============================================================================
} // namespace VDPM
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_VDPROGMESH_VHIERARCHY_HH defined
//=============================================================================