First checkin for OpenMesh 2.0

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597

Tools/VDPM/VHierarchyNodeIndex.hh

@@ -0,0 +1,110 @@
+/*===========================================================================*\
+ *                                                                           *
+ *                               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_VHIERARCHYNODEINDEX_HH
+#define OPENMESH_VDPROGMESH_VHIERARCHYNODEINDEX_HH
+
+//== INCLUDES =================================================================
+
+#include <vector>
+#include <assert.h>
+
+//== FORWARDDECLARATIONS ======================================================
+
+
+//== NAMESPACES ===============================================================
+
+namespace OpenMesh {
+namespace VDPM {
+
+//== CLASS DEFINITION =========================================================
+
+	      
+/** Index of vertex hierarchy node
+ */
+
+
+class VHierarchyNodeIndex
+{
+private:
+  unsigned int value_;
+
+public:
+
+  static const VHierarchyNodeIndex  InvalidIndex;
+
+public:
+
+  VHierarchyNodeIndex()
+  { value_ = 0; }
+  
+  VHierarchyNodeIndex(unsigned int _value)
+  { value_ = _value; }
+
+  VHierarchyNodeIndex(const VHierarchyNodeIndex &_other)
+  { value_ = _other.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_; }
+};
+
+
+/// Container for vertex hierarchy node indices
+typedef std::vector<VHierarchyNodeIndex>    VHierarchyNodeIndexContainer;
+
+
+//=============================================================================
+} // namespace VDPM
+} // namespace OpenMesh
+//=============================================================================
+#endif //  OPENMESH_VDPROGMESH_VHIERARCHYNODEINDEX_HH defined
+//=============================================================================