OpenSceneGraph/include/osg/NodeTrackerCallback

58 lines
1.8 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_NODETRACKERCALLBACK
#define OSG_NODETRACKERCALLBACK 1
#include <osg/Node>
#include <osg/NodeCallback>
#include <osg/RefNodePath>
namespace osg
{
class OSG_EXPORT NodeTrackerCallback : public NodeCallback
{
public:
void setTrackNodePath(const osg::RefNodePath& nodePath) { _trackNodePath = nodePath; }
void setTrackNodePath(const osg::NodePath& nodePath) { _trackNodePath = nodePath; }
osg::RefNodePath& getTrackNodePath() { return _trackNodePath; }
const osg::RefNodePath& getTrackNodePath() const { return _trackNodePath; }
void setTrackNode(osg::Node* node);
osg::Node* getTrackNode() { return _trackNodePath.empty() ? 0 : _trackNodePath.back().get(); }
const osg::Node* getTrackNode() const { return _trackNodePath.empty() ? 0 : _trackNodePath.back().get(); }
/** Implements the callback. */
virtual void operator()(Node* node, NodeVisitor* nv);
/** Update the node to track the nodepath.*/
void update(osg::Node& node);
/** Validate the NodePath by removing any unref'd nodes.*/
bool validateNodePath() const;
protected:
osg::RefNodePath _trackNodePath;
};
}
#endif