/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
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** This file is part of the Qt3D module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
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****************************************************************************/

#include "qclock.h"
#include "qclock_p.h"

QT_BEGIN_NAMESPACE

namespace Qt3DAnimation {

QClockPrivate::QClockPrivate()
    : Qt3DCore::QNodePrivate()
    , m_playbackRate(1.0f)
{
}

QClock::QClock(Qt3DCore::QNode* parent)
    : Qt3DCore::QNode(*new QClockPrivate, parent)
{
}

QClock::QClock(QClockPrivate &dd, Qt3DCore::QNode *parent)
    : Qt3DCore::QNode(dd, parent)
{
}

QClock::~QClock()
{
}
/*!
    \property Qt3DAnimation::QClock::playbackRate

    The playback speed of the animation. The playback speed can be negative.
    When that is the case the animation will be played back from the current
    normalized time value back to 0 and for the number of loops it had been
    played for with a positive playback rate.
*/

double QClock::playbackRate() const
{
    Q_D(const QClock);
    return d->m_playbackRate;
}

void QClock::setPlaybackRate(double playbackRate)
{
    Q_D(QClock);
    if (qFuzzyCompare(playbackRate, d->m_playbackRate))
        return;
    d->m_playbackRate = playbackRate;
    emit playbackRateChanged(playbackRate);
}

Qt3DCore::QNodeCreatedChangeBasePtr QClock::createNodeCreationChange() const
{
    auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QClockData>::create(this);
    auto &data = creationChange->data;
    Q_D(const QClock);
    data.playbackRate = d->m_playbackRate;
    return creationChange;
}

}

QT_END_NAMESPACE
