static bool writePlacers( osgDB::OutputStream& os, const osgParticle::CompositePlacer& cp )
{
unsigned int size = cp.getNumPlacers();
os << size << osgDB::BEGIN_BRACKET << std::endl;
for ( unsigned int i=0; i<size; ++i )
{
os << cp.getPlacer(i);
}
os << osgDB::END_BRACKET << std::endl;
return true;
}
static bool readPlacers( osgDB::InputStream& is, osgParticle::CompositePlacer& cp )
{
unsigned int size = 0; is >> size >> osgDB::BEGIN_BRACKET;
for ( unsigned int i=0; i<size; ++i )
{
osgParticle::Placer* p = dynamic_cast<osgParticle::Placer*>( is.readObject() );
if ( p ) cp.addPlacer( p );
}
is >> osgDB::END_BRACKET;
return true;
}
static bool readPlacers( osgDB::InputStream& is, osgParticle::CompositePlacer& cp )
{
unsigned int size = 0; is >> size >> is.BEGIN_BRACKET;
for ( unsigned int i=0; i<size; ++i )
{
osg::ref_ptr<osgParticle::Placer> p = is.readObjectOfType<osgParticle::Placer>();
if ( p ) cp.addPlacer( p.get() );
}
is >> is.END_BRACKET;
return true;
}
static bool checkPlacers( const osgParticle::CompositePlacer& cp )
{
return cp.getNumPlacers()>0;
}