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36 
37 #include "additiveclipblend_p.h"
38 #include <Qt3DAnimation/qadditiveclipblend.h>
39 #include <Qt3DAnimation/private/qadditiveclipblend_p.h>
40 
41 QT_BEGIN_NAMESPACE
42 
43 namespace Qt3DAnimation {
44 
45 namespace Animation {
46 
AdditiveClipBlend()47 AdditiveClipBlend::AdditiveClipBlend()
48     : ClipBlendNode(ClipBlendNode::AdditiveBlendType)
49     , m_baseClipId()
50     , m_additiveClipId()
51     , m_additiveFactor(0.0f)
52 {
53 }
54 
~AdditiveClipBlend()55 AdditiveClipBlend::~AdditiveClipBlend()
56 {
57 }
58 
syncFromFrontEnd(const Qt3DCore::QNode * frontEnd,bool firstTime)59 void AdditiveClipBlend::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
60 {
61     BackendNode::syncFromFrontEnd(frontEnd, firstTime);
62     const QAdditiveClipBlend *node = qobject_cast<const QAdditiveClipBlend *>(frontEnd);
63     if (!node)
64         return;
65 
66     m_additiveFactor = node->additiveFactor();
67     m_baseClipId = Qt3DCore::qIdForNode(node->baseClip());
68     m_additiveClipId = Qt3DCore::qIdForNode(node->additiveClip());
69 }
70 
doBlend(const QVector<ClipResults> & blendData) const71 ClipResults AdditiveClipBlend::doBlend(const QVector<ClipResults> &blendData) const
72 {
73     Q_ASSERT(blendData.size() == 2);
74     Q_ASSERT(blendData[0].size() == blendData[1].size());
75     const int elementCount = blendData.first().size();
76     ClipResults blendResults(elementCount);
77 
78     for (int i = 0; i < elementCount; ++i)
79         blendResults[i] = blendData[0][i] + m_additiveFactor * blendData[1][i];
80 
81     return blendResults;
82 }
83 
84 } // Animation
85 
86 } // Qt3DAnimation
87 
88 QT_END_NAMESPACE
89