static bool readTransformUpdating( osgDB::InputStream& is, osgManipulator::Dragger& dragger )
{
unsigned int size = is.readSize(); is >> osgDB::BEGIN_BRACKET;
for ( unsigned int i=0; i<size; ++i )
{
std::string name; is >> name >> osgDB::BEGIN_BRACKET;
if ( name=="DraggerTransformCallback" )
{
osg::MatrixTransform* transform = dynamic_cast<osg::MatrixTransform*>( is.readObject() );
if ( transform ) dragger.addTransformUpdating( transform );
}
is >> osgDB::END_BRACKET;
}
is >> osgDB::END_BRACKET;
return true;
}
static bool readTransformUpdating( osgDB::InputStream& is, osgManipulator::Dragger& dragger )
{
unsigned int size = is.readSize(); is >> is.BEGIN_BRACKET;
for ( unsigned int i=0; i<size; ++i )
{
std::string name; is >> name >> is.BEGIN_BRACKET;
if ( name=="DraggerTransformCallback" )
{
osg::ref_ptr<osg::MatrixTransform> transform = is.readObjectOfType<osg::MatrixTransform>();
if ( transform ) dragger.addTransformUpdating( transform.get() );
}
is >> is.END_BRACKET;
}
is >> is.END_BRACKET;
return true;
}
static bool writeTransformUpdating( osgDB::OutputStream& os, const osgManipulator::Dragger& dragger )
{
const osgManipulator::Dragger::DraggerCallbacks& callbacks = dragger.getDraggerCallbacks();
os.writeSize( callbacks.size() ); os << osgDB::BEGIN_BRACKET << std::endl;
for ( osgManipulator::Dragger::DraggerCallbacks::const_iterator itr=callbacks.begin();
itr!=callbacks.end(); ++itr )
{
osgManipulator::DraggerTransformCallback* dtcb =
dynamic_cast<osgManipulator::DraggerTransformCallback*>( itr->get() );
if ( dtcb )
{
os << std::string("DraggerTransformCallback") << osgDB::BEGIN_BRACKET << std::endl;
os << dtcb->getTransform();
}
else
{
os << std::string("DraggerCallback") << osgDB::BEGIN_BRACKET << std::endl;
}
os << osgDB::END_BRACKET << std::endl;
}
os << osgDB::END_BRACKET << std::endl;
return true;
}
// TransformUpdating
static bool checkTransformUpdating( const osgManipulator::Dragger& dragger )
{
return dragger.getDraggerCallbacks().size()>0;
}
static bool readDefaultGeometry( osgDB::InputStream& is, osgManipulator::Dragger& dragger )
{
bool useDefGeometry = false; is >> useDefGeometry;
dragger.setupDefaultGeometry();
return true;
}