additiveclipblend.cpp

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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