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#ifndef SCENEUTIL_NODECALLBACK_H
#define SCENEUTIL_NODECALLBACK_H
#include <osg/Callback>
namespace osg
{
class Node;
class NodeVisitor;
}
namespace SceneUtil
{
template <class Derived, typename NodeType = osg::Node*, typename VisitorType = osg::NodeVisitor*>
class NodeCallback : public osg::Callback
{
public:
NodeCallback() {}
NodeCallback(const NodeCallback& nc, const osg::CopyOp& copyop)
: osg::Callback(nc, copyop)
{
}
bool run(osg::Object* object, osg::Object* data) override
{
static_cast<Derived*>(this)->operator()((NodeType)object, (VisitorType)data->asNodeVisitor());
return true;
}
template <typename VT>
void traverse(NodeType object, VT data)
{
if (_nestedCallback.valid())
_nestedCallback->run(object, data);
else
data->traverse(*object);
}
};
}
#endif
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