Rename QLerpBlend to QLerpClipBlend

Also rename backend class accordingly.

Task-number: QTBUG-58904
Change-Id: I3a8d3898507e5055c2727e4bb1b19b06fdba988b
Reviewed-by: Kevin Ottens <kevin.ottens@kdab.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/src/animation/backend/lerpclipblend.cpp b/src/animation/backend/lerpclipblend.cpp
new file mode 100644
index 000000000..1121f0324
--- /dev/null
+++ b/src/animation/backend/lerpclipblend.cpp
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** 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 "lerpclipblend_p.h"
+#include <Qt3DAnimation/qclipblendnodecreatedchange.h>
+#include <Qt3DAnimation/private/qlerpclipblend_p.h>
+#include <Qt3DCore/qpropertyupdatedchange.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DAnimation {
+
+namespace Animation {
+
+LerpClipBlend::LerpClipBlend()
+    : ClipBlendNode(ClipBlendNode::LerpBlendType)
+    , m_blendFactor(0.0f)
+{
+}
+
+LerpClipBlend::~LerpClipBlend()
+{
+}
+
+void LerpClipBlend::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
+{
+    if (e->type() == Qt3DCore::PropertyUpdated) {
+        Qt3DCore::QPropertyUpdatedChangePtr change = qSharedPointerCast<Qt3DCore::QPropertyUpdatedChange>(e);
+        if (change->propertyName() == QByteArrayLiteral("blendFactor"))
+            m_blendFactor = change->value().toFloat();
+    }
+}
+
+float LerpClipBlend::blend(float value1, float value2) const
+{
+    return ((1.0f - m_blendFactor) * value1) + (m_blendFactor * value2);
+}
+
+void LerpClipBlend::initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change)
+{
+    ClipBlendNode::initializeFromPeer(change);
+    const auto creationChangeData = qSharedPointerCast<Qt3DAnimation::QClipBlendNodeCreatedChange<Qt3DAnimation::QLerpClipBlendData>>(change);
+    const Qt3DAnimation::QLerpClipBlendData cloneData = creationChangeData->data;
+    m_blendFactor = cloneData.blendFactor;
+}
+
+} // Animation
+
+} // Qt3DAnimation
+
+QT_END_NAMESPACE