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/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** 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
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "additiveclipblend_p.h"
#include <Qt3DAnimation/qadditiveclipblend.h>
#include <Qt3DAnimation/private/qadditiveclipblend_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DAnimation {
namespace Animation {
AdditiveClipBlend::AdditiveClipBlend()
: ClipBlendNode(ClipBlendNode::AdditiveBlendType)
, m_baseClipId()
, m_additiveClipId()
, m_additiveFactor(0.0f)
{
}
AdditiveClipBlend::~AdditiveClipBlend()
{
}
void AdditiveClipBlend::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
{
BackendNode::syncFromFrontEnd(frontEnd, firstTime);
const QAdditiveClipBlend *node = qobject_cast<const QAdditiveClipBlend *>(frontEnd);
if (!node)
return;
m_additiveFactor = node->additiveFactor();
m_baseClipId = Qt3DCore::qIdForNode(node->baseClip());
m_additiveClipId = Qt3DCore::qIdForNode(node->additiveClip());
}
ClipResults AdditiveClipBlend::doBlend(const QVector<ClipResults> &blendData) const
{
Q_ASSERT(blendData.size() == 2);
Q_ASSERT(blendData[0].size() == blendData[1].size());
const int elementCount = blendData.first().size();
ClipResults blendResults(elementCount);
for (int i = 0; i < elementCount; ++i)
blendResults[i] = blendData[0][i] + m_additiveFactor * blendData[1][i];
return blendResults;
}
} // Animation
} // Qt3DAnimation
QT_END_NAMESPACE
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