/**********************************************************************
 *
 *    FILE:            Transform.cpp
 *
 *    DESCRIPTION:    Read/Write osg::Transform in binary format to disk.
 *
 *    CREATED BY:        Auto generated by iveGenerate
 *                    and later modified by Rune Schmidt Jensen.
 *
 *    HISTORY:        Created 25.3.2003
 *
 *    Copyright 2003 VR-C
 **********************************************************************/

#include "Exception.h"
#include "Transform.h"
#include "Group.h"

using namespace ive;

void Transform::write(DataOutputStream* out){
    // Write Transform's identification.
    out->writeInt(IVETRANSFORM);
    // 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("Transform::write(): Could not cast this osg::Transform to an osg::Group.");
    // Write Transform's properties.
    out->writeInt(getReferenceFrame());
}

void Transform::read(DataInputStream* in){
    // Peek on Transform's identification.
    int id = in->peekInt();
    if(id == IVETRANSFORM){
        // Read Transform'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("Transform::read(): Could not cast this osg::Transform to an osg::Group.");
        // Read Transform's properties
        setReferenceFrame((osg::Transform::ReferenceFrame)in->readInt());
    }
    else{
        throw Exception("Transform::read(): Expected Transform identification.");
    }
}
