osgScaleViewer/frameData.cpp

/*
 * Copyright (c)
 *   2008-2009, Thomas McGuire <thomas.mcguire@student.uni-siegen.de>
 *   2010-2011, Stefan Eilemann <eile@eyescale.ch>
 *   2010, Sarah Amsellem <sarah.amsellem@gmail.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of Eyescale Software GmbH nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "frameData.h"

namespace osgScaleViewer
{

FrameData::FrameData()
        : _cameraPosition( eq::Vector3f( 0.f, 0.f, 10.f ))
        , _cameraLookAtPoint( eq::Vector3f::ZERO )
        , _cameraUpVector( eq::Vector3f::ZERO )
        , _statistics( false )
{}

void FrameData::serialize( co::DataOStream& os, const uint64_t dirtyBits )
{
    co::Serializable::serialize( os, dirtyBits );
    if( dirtyBits & DIRTY_CAMERA )
        os << _cameraPosition << _cameraLookAtPoint << _cameraUpVector;
    if( dirtyBits & DIRTY_FLAGS )
        os << _statistics;
}

void FrameData::deserialize( co::DataIStream& is,
                             const uint64_t dirtyBits )
{
    co::Serializable::deserialize( is, dirtyBits );
    if( dirtyBits & DIRTY_CAMERA )
        is >> _cameraPosition >> _cameraLookAtPoint >> _cameraUpVector;
    if( dirtyBits & DIRTY_FLAGS )
        is >> _statistics;
}

void FrameData::setCameraPosition( eq::Vector3f cameraPosition )
{
    _cameraPosition = cameraPosition;
    setDirty( DIRTY_CAMERA );
}

void FrameData::setCameraLookAtPoint( eq::Vector3f cameraLookAtPoint )
{
    _cameraLookAtPoint = cameraLookAtPoint;
    setDirty( DIRTY_CAMERA );
}

void FrameData::setCameraUpVector( eq::Vector3f cameraUpVector )
{
    _cameraUpVector = cameraUpVector;
    setDirty( DIRTY_CAMERA );
}

void FrameData::toggleStatistics()
{
    _statistics = !_statistics;
    setDirty( DIRTY_FLAGS );
}

co::Object::ChangeType FrameData::getChangeType() const
{
    return DELTA;
}
}