/**********************************************************************
 *
 *	FILE:			OccluderNode.cpp
 *
 *	DESCRIPTION:	Read/Write osg::OccluderNode in binary format to disk.
 *
 *	CREATED BY:		Auto generated by iveGenerator
 *					and later modified by Rune Schmidt Jensen.
 *
 *	HISTORY:		Created 16.4.2003
 *
 *	Copyright 2003 VR-C
 **********************************************************************/

#include "Exception.h"
#include "OccluderNode.h"
#include "Group.h"
#include "ConvexPlanarOccluder.h"

using namespace ive;

void OccluderNode::write(DataOutputStream* out){
	// Write OccluderNode's identification.
	out->writeInt(IVEOCCLUDERNODE);
	// If the osg class is inherited by any other class we should also write this to file.
	osg::Group*  group = dynamic_cast<osg::Group*>(this);
	if(group){
		((ive::Group*)(group))->write(out);
	}
	else
		throw Exception("OccluderNode::write(): Could not cast this osg::OccluderNode to an osg::Group.");
	// Write OccluderNode's properties.
	out->writeInt((int)getOccluder());
	if(getOccluder())
		((ive::ConvexPlanarOccluder*)(getOccluder()))->write(out);
}

void OccluderNode::read(DataInputStream* in){
	// Peek on OccluderNode's identification.
	int id = in->peekInt();
	if(id == IVEOCCLUDERNODE){
		// Read OccluderNode's identification.
		id = in->readInt();
		// If the osg class is inherited by any other class we should also read this from file.
		osg::Group*  group = dynamic_cast<osg::Group*>(this);
		if(group){
			((ive::Group*)(group))->read(in);
		}
		else
			throw Exception("OccluderNode::read(): Could not cast this osg::OccluderNode to an osg::Group.");
		// Read OccluderNode's properties
		if(in->readInt()){
			osg::ConvexPlanarOccluder* cpo = new osg::ConvexPlanarOccluder();
			((ive::ConvexPlanarOccluder*)(cpo))->read(in);
			setOccluder(cpo);
		}
	}
	else{
		throw Exception("OccluderNode::read(): Expected OccluderNode identification.");
	}
}
