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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DANIMATION_ANIMATION_CLIPBLENDNODE_P_H
#define QT3DANIMATION_ANIMATION_CLIPBLENDNODE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt3DCore/qnodeid.h>
#include <Qt3DAnimation/private/backendnode_p.h>
#include <Qt3DAnimation/private/managers_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DAnimation {
namespace Animation {
class ClipBlendNodeManager;
class Q_AUTOTEST_EXPORT ClipBlendNode : public BackendNode
{
public:
~ClipBlendNode();
enum BlendType {
NoneBlendType,
LerpBlendType,
AdditiveBlendType,
ValueType
};
void setClipBlendNodeManager(ClipBlendNodeManager *manager);
inline ClipBlendNodeManager *clipBlendNodeManager() const { return m_manager; }
BlendType blendType() const;
Qt3DCore::QNodeId parentId() const;
Qt3DCore::QNodeIdVector childrenIds() const;
Qt3DCore::QNodeIdVector clipIds() const;
void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) Q_DECL_OVERRIDE;
virtual float blend(float value1, float value2) const = 0;
ClipResults clipResults(Qt3DCore::QNodeId animatorId) const;
virtual QVector<Qt3DCore::QNodeId> dependencyIds() const = 0;
virtual double duration() const = 0;
protected:
explicit ClipBlendNode(BlendType blendType);
void initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change) Q_DECL_OVERRIDE;
void setClipResults(Qt3DCore::QNodeId animatorId, const ClipResults &clipResults);
private:
void setParentId(Qt3DCore::QNodeId parentId);
void addChildId(Qt3DCore::QNodeId childId);
void removeChildId(Qt3DCore::QNodeId childId);
// Can either contain clips or nothing (tree of other blend nodes)
Qt3DCore::QNodeIdVector m_clipIds;
Qt3DCore::QNodeId m_parentId;
Qt3DCore::QNodeIdVector m_childrenIds;
ClipBlendNodeManager *m_manager;
BlendType m_blendType;
// Store the results of evaluations indexed by animator id
QVector<Qt3DCore::QNodeId> m_animatorIds;
QVector<ClipResults> m_clipResults;
};
template<typename Backend, typename Frontend>
class ClipBlendNodeFunctor : public Qt3DCore::QBackendNodeMapper
{
public:
explicit ClipBlendNodeFunctor(Handler *handler, ClipBlendNodeManager *manager)
: m_handler(handler)
, m_manager(manager)
{
}
Qt3DCore::QBackendNode *create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const Q_DECL_FINAL
{
if (m_manager->containsNode(change->subjectId()))
return static_cast<Backend *>(m_manager->lookupNode(change->subjectId()));
Backend *backend = new Backend();
backend->setClipBlendNodeManager(m_manager);
backend->setHandler(m_handler);
m_manager->appendNode(change->subjectId(), backend);
return backend;
}
Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const Q_DECL_FINAL
{
return m_manager->lookupNode(id);
}
void destroy(Qt3DCore::QNodeId id) const Q_DECL_FINAL
{
m_manager->releaseNode(id);
}
private:
Handler *m_handler;
ClipBlendNodeManager *m_manager;
};
} // Animation
} // Qt3DAnimation
QT_END_NAMESPACE
#endif // QT3DANIMATION_ANIMATION_CLIPBLENDNODE_P_H
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