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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "transform_p.h"
#include <Qt3DCore/qscenepropertychange.h>
#include <Qt3DCore/private/qchangearbiter_p.h>
#include <Qt3DCore/qtransform.h>
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
namespace Render {
Transform::Transform()
: QBackendNode()
, m_rotation()
, m_scale(1.0f, 1.0f, 1.0f)
, m_translation()
{
}
void Transform::updateFromPeer(Qt3DCore::QNode *peer)
{
Qt3DCore::QTransform *transform = static_cast<Qt3DCore::QTransform *>(peer);
m_rotation = transform->rotation();
m_scale = transform->scale3D();
m_translation = transform->translation();
updateMatrix();
m_enabled = transform->isEnabled();
}
QMatrix4x4 Transform::transformMatrix() const
{
return m_transformMatrix;
}
void Transform::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
{
// TODO: Flag the matrix as dirty and update all matrices batched in a job
if (e->type() == NodeUpdated) {
const QScenePropertyChangePtr &propertyChange = qSharedPointerCast<QScenePropertyChange>(e);
if (propertyChange->propertyName() == QByteArrayLiteral("scale3D")) {
m_scale = propertyChange->value().value<QVector3D>();
updateMatrix();
} else if (propertyChange->propertyName() == QByteArrayLiteral("rotation")) {
m_rotation = propertyChange->value().value<QQuaternion>();
updateMatrix();
} else if (propertyChange->propertyName() == QByteArrayLiteral("translation")) {
m_translation = propertyChange->value().value<QVector3D>();
updateMatrix();
} else if (propertyChange->propertyName() == QByteArrayLiteral("enabled")) {
m_enabled = propertyChange->value().toBool();
}
}
}
void Transform::updateMatrix()
{
QMatrix4x4 m;
m.translate(m_translation);
m.rotate(m_rotation);
m.scale(m_scale);
m_transformMatrix = m;
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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