ModelRegistryCallbackProxy<LoadOnlyCallback> g_stgCallbackProxy("stg");
}
-namespace
-{
-// Update the timestamp on a tile whenever it is in view.
-
-class TileCullCallback : public osg::NodeCallback
-{
-public:
- TileCullCallback() : _timeStamp(0) {}
- TileCullCallback(const TileCullCallback& tc, const osg::CopyOp& copyOp) :
- NodeCallback(tc, copyOp), _timeStamp(tc._timeStamp)
- {
- }
-
- virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
- double getTimeStamp() const { return _timeStamp; }
- void setTimeStamp(double timeStamp) { _timeStamp = timeStamp; }
-protected:
- double _timeStamp;
-};
-}
-
-void TileCullCallback::operator()(osg::Node* node, osg::NodeVisitor* nv)
-{
- if (nv->getFrameStamp())
- _timeStamp = nv->getFrameStamp()->getReferenceTime();
- traverse(node, nv);
-}
-
-double TileEntry::get_timestamp() const
-{
- if (_node.valid()) {
- return (dynamic_cast<TileCullCallback*>(_node->getCullCallback()))
- ->getTimeStamp();
- } else
- return DBL_MAX;
-}
-
-void TileEntry::set_timestamp(double time_ms)
-{
- if (_node.valid()) {
- TileCullCallback* cb
- = dynamic_cast<TileCullCallback*>(_node->getCullCallback());
- if (cb)
- cb->setTimeStamp(time_ms);
- }
-}
// Constructor
TileEntry::TileEntry ( const SGBucket& b )
: tile_bucket( b ),
tileFileName(b.gen_index_str()),
_node( new osg::LOD ),
- is_inner_ring(false)
+ _priority(-FLT_MAX),
+ _current_view(false),
+ _time_expired(-1.0)
{
- _node->setCullCallback(new TileCullCallback);
tileFileName += ".stg";
_node->setName(tileFileName);
// Give a default LOD range so that traversals that traverse
}
}
}
-