65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_NODETRACKERCALLBACK
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#define OSG_NODETRACKERCALLBACK 1
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#include <iterator>
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#include <osg/Node>
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#include <osg/NodeCallback>
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#include <osg/observer_ptr>
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namespace osg
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{
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class OSG_EXPORT NodeTrackerCallback : public NodeCallback
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{
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public:
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typedef std::vector< observer_ptr<Node> > ObserverNodePath;
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void setTrackNodePath(const osg::NodePath& nodePath)
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{
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_trackNodePath.clear();
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_trackNodePath.reserve(nodePath.size());
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std::copy(nodePath.begin(), nodePath.end(), std::back_inserter(_trackNodePath));
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}
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void setTrackNodePath(const ObserverNodePath& nodePath) { _trackNodePath = nodePath; }
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ObserverNodePath& getTrackNodePath() { return _trackNodePath; }
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void setTrackNode(osg::Node* node);
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osg::Node* getTrackNode() { return _trackNodePath.empty() ? 0 : _trackNodePath.back().get(); }
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const osg::Node* getTrackNode() const { return _trackNodePath.empty() ? 0 : _trackNodePath.back().get(); }
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/** Implements the callback. */
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virtual void operator()(Node* node, NodeVisitor* nv);
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/** Update the node to track the nodepath.*/
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void update(osg::Node& node);
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bool validateNodePath() const;
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protected:
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ObserverNodePath _trackNodePath;
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};
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}
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#endif
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