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// Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 QList<ClipResults> &blendData) const
{
Q_ASSERT(blendData.size() == 2);
Q_ASSERT(blendData[0].size() == blendData[1].size());
const qsizetype elementCount = blendData.first().size();
ClipResults blendResults(elementCount);
for (qsizetype 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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