// NodeFilter overrides
protected virtual AttributedNodeList process(FragmentList input, FilterEnv env)
{
AttributedNodeList nodes;
osg.Geode geode = null;
for (FragmentList.const_iterator i = input.begin(); i != input.end(); i++)
{
Fragment frag = i;
AttributeList frag_attrs = frag.getAttributes();
if (!geode)
{
geode = new osg.Geode();
nodes.Add(new AttributedNode(geode, frag_attrs));
}
for (DrawableList.const_iterator d = frag.getDrawables().begin(); d != frag.getDrawables().end(); d++)
{
geode.addDrawable(d.get());
}
bool retire_geode = false;
// if a fragment name is set, apply it
if (frag.hasName())
{
geode.addDescription(frag.getName());
retire_geode = true;
}
if (getEmbedAttributes())
{
embedAttributes(geode, frag_attrs);
retire_geode = true;
}
// If required, reset the geode point so that the next fragment gets placed in a new geode.
if (retire_geode)
{
geode = null;
}
}
// with multiple geodes or fragment names, disable geode combining to preserve the node decription.
if (nodes.Count > 1)
{
env.getOptimizerHints().exclude(osgUtil.Optimizer.MERGE_GEODES);
}
return(process(nodes, env));
}
/**
* Processes a single fragment into a collection of nodes.
*
* @param input
* Individual fragment to process
* @param env
* Contextual compilation environment
* @return
* Resulting node list
*/
public virtual AttributedNodeList process(Fragment input, FilterEnv env)
{
#if TODO
AttributedNodeList output;
osg.Geode geode = new osg.Geode();
foreach (Drawable i in input.getDrawables())
{
geode.addDrawable(i);
}
output.Add(new AttributedNode(geode));
return(output);
#endif
throw new NotImplementedException();
}