/**********************************************************************
 *
 *	FILE:			LightPointNode.cpp
 *
 *	DESCRIPTION:	Read/Write osgSim::LightPointNode in binary format to disk.
 *
 *	CREATED BY:		Auto generated by iveGenerator.exe
 *					and later modified by Rune Schmidt Jensen.
 *
 *	HISTORY:		Created 14.9.2003
 *
 **********************************************************************/

#include "Exception.h"
#include "LightPointNode.h"
#include "LightPoint.h"
#include "Node.h"

using namespace ive;

void LightPointNode::write(DataOutputStream* out){
	// Write LightPointNode's identification.
	out->writeInt(IVELIGHTPOINTNODE);
	// If the osgSim class is inherited by any other class we should also write this to file.
	osg::Node*  node = dynamic_cast<osg::Node*>(this);
	if(node){
		((ive::Node*)(node))->write(out);
	}
	else
		throw Exception("LightPointNode::write(): Could not cast this osgSim::LightPointNode to an osg::Node.");

	// Write LightPointNode's properties.
	out->writeFloat(getMinPixelSize());
	out->writeFloat(getMaxPixelSize());
	out->writeFloat(getMaxVisibleDistance2());

	// Write out LightPoints.
	unsigned int size = getNumLightPoints();
	out->writeUInt(size);
	for(unsigned int i=0; i<size; i++){
		((ive::LightPoint*)(&getLightPoint(i)))->write(out);
	}
}

void LightPointNode::read(DataInputStream* in){
	// Peek on LightPointNode's identification.
	int id = in->peekInt();
	if(id == IVELIGHTPOINTNODE){
		// Read LightPointNode's identification.
		id = in->readInt();
		// If the osgSim class is inherited by any other class we should also read this from file.
		osg::Node*  node = dynamic_cast<osg::Node*>(this);
		if(node){
			((ive::Node*)(node))->read(in);
		}
		else
			throw Exception("LightPointNode::read(): Could not cast this osgSim::LightPointNode to an osg::Object.");
		// Read LightPointNode's properties
		setMinPixelSize(in->readFloat());
		setMaxPixelSize(in->readFloat());
		setMaxVisibleDistance2(in->readFloat());

		// Read in lightpoints.
		unsigned int size = in->readUInt();
		for(unsigned int i=0; i<size; i++ ){
			osgSim::LightPoint* lightPoint = new osgSim::LightPoint();
			((ive::LightPoint*)(lightPoint))->read(in);
			addLightPoint(*lightPoint);
		}
	}
	else{
		throw Exception("LightPointNode::read(): Expected LightPointNode identification.");
	}
}
