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First checkin for OpenMesh 2.0

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git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2009-02-06 13:37:46 +00:00
parent c3321ebdd9
commit 97f515985d
417 changed files with 76182 additions and 0 deletions
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Tools/VDPM/VHierarchy.hh Normal file
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/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2001-2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
//=============================================================================
//
// 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 =========================================================
/** Keeps the vertex hierarchy build during analyzing a progressive mesh.
*/
class VHierarchy
{
public:
typedef unsigned int id_t; ///< Type for tree and node ids
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_; }
unsigned int 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(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
//=============================================================================