virtual ReadResult readObject(std::istream& fin, const osgDB::ReaderWriter::Options* options) const
{
osgDB::Input fr;
fr.attach(&fin);
fr.setOptions(options);
typedef std::vector< osg::ref_ptr<osgViewer::View> > ViewList;
ViewList viewList;
// load all nodes in file, placing them in a group.
while(!fr.eof())
{
osg::ref_ptr<osg::Object> object = fr.readObject();
osgViewer::View* view = dynamic_cast<osgViewer::View*>(object.get());
if (view)
{
viewList.push_back(view);
}
else fr.advanceOverCurrentFieldOrBlock();
}
if (viewList.empty())
{
return ReadResult("No data loaded");
}
else if (viewList.size()==1)
{
return viewList.front().get();
}
else
{
OSG_NOTICE<<"Found multiple view's, just taking first"<<std::endl;
return viewList.front().get();
}
}
