/********************************************************************** * *    FILE:           Effect.cpp * *    DESCRIPTION:    Read/Write osgFX::Effect in binary format to disk. * *    CREATED BY:     Liang Aibin * *    HISTORY:        Created 23.8.2008 * **********************************************************************/#include "Exception.h"#include "Effect.h"#include "Group.h"using namespace ive;void Effect::write(DataOutputStream* out){    // Write Effect's identification.    out->writeInt(IVEEFFECT);    // 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("Effect::write(): Could not cast this osgFX::Effect to an osg::Group.");    // Write Effect's properties.    out->writeBool(getEnabled());        out->writeInt(getSelectedTechnique());}void Effect::read(DataInputStream* in){    // Peek on Effect's identification.    int id = in->peekInt();    if(id == IVEEFFECT){        // Read Effect'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("Effect::read(): Could not cast this osgFX::Effect to an osg::Group.");        // Read Effect's properties        setEnabled(in->readBool());                selectTechnique(in->readInt());    }    else{        throw Exception("Effect::read(): Expected Effect identification.");    }}