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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 "qsceneloader.h"
#include "qsceneloader_p.h"
#include <Qt3DCore/private/qscene_p.h>
#include <Qt3DCore/qpropertyupdatedchange.h>
#include <Qt3DCore/qentity.h>
#include <Qt3DRender/private/renderlogging_p.h>
#include <QThread>
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
QSceneLoaderPrivate::QSceneLoaderPrivate()
: QComponentPrivate()
, m_status(QSceneLoader::Loading)
, m_subTreeRoot(nullptr)
{
m_shareable = false;
}
/*!
\class Qt3DRender::QSceneLoader
\inmodule Qt3DRender
\since 5.7
\ingroup io
\brief ...
*/
/*!
\qmltype SceneLoader
\inqmlmodule Qt3D.Render
\instantiates Qt3DRender::QSceneLoader
\inherits Component
\since 5.7
\qmlabstract
*/
/*!
The constructor creates an instance with the specified \a parent.
*/
QSceneLoader::QSceneLoader(QNode *parent)
: Qt3DCore::QComponent(*new QSceneLoaderPrivate, parent)
{
}
/*! \internal */
QSceneLoader::~QSceneLoader()
{
}
/*! \internal */
QSceneLoader::QSceneLoader(QSceneLoaderPrivate &dd, QNode *parent)
: Qt3DCore::QComponent(dd, parent)
{
}
// Called in main thread
void QSceneLoader::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change)
{
Q_D(QSceneLoader);
QPropertyUpdatedChangePtr e = qSharedPointerCast<QPropertyUpdatedChange>(change);
if (e->type() == PropertyUpdated) {
if (e->propertyName() == QByteArrayLiteral("scene")) {
// If we already have a scene sub tree, delete it
if (d->m_subTreeRoot) {
delete d->m_subTreeRoot;
d->m_subTreeRoot = nullptr;
}
// If we have successfully loaded a scene, graft it in
auto *subTreeRoot = e->value().value<Qt3DCore::QEntity *>();
if (subTreeRoot) {
// Get the entity to which this component is attached
const Qt3DCore::QNodeIdVector entities = d->m_scene->entitiesForComponent(d->m_id);
Q_ASSERT(entities.size() == 1);
Qt3DCore::QNodeId parentEntityId = entities.first();
QEntity *parentEntity = qobject_cast<QEntity *>(d->m_scene->lookupNode(parentEntityId));
subTreeRoot->setParent(parentEntity);
d->m_subTreeRoot = subTreeRoot;
}
// Update status property
setStatus(subTreeRoot ? QSceneLoader::Ready : QSceneLoader::Error);
}
}
}
QUrl QSceneLoader::source() const
{
Q_D(const QSceneLoader);
return d->m_source;
}
/*!
\property Qt3DRender::QSceneLoader::source
Specifies the url for the source to be loaded.
*/
/*!
\qmlproperty QUrl Qt3D.Render::SceneLoader::source
*/
void QSceneLoader::setSource(const QUrl &arg)
{
Q_D(QSceneLoader);
if (d->m_source != arg) {
d->m_source = arg;
emit sourceChanged(arg);
}
}
/*!
\property Qt3DRender::QSceneLoader::status
Indicates the status of scene loading.
*/
/*!
\qmlproperty Status Qt3D.Render::SceneLoader::status
*/
QSceneLoader::Status QSceneLoader::status() const
{
Q_D(const QSceneLoader);
return d->m_status;
}
void QSceneLoader::setStatus(QSceneLoader::Status status)
{
Q_D(QSceneLoader);
if (d->m_status != status) {
d->m_status = status;
emit statusChanged(status);
}
}
Qt3DCore::QNodeCreatedChangeBasePtr QSceneLoader::createNodeCreationChange() const
{
auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QSceneLoaderData>::create(this);
auto &data = creationChange->data;
data.source = d_func()->m_source;
return creationChange;
}
} // namespace Qt3DRender
QT_END_NAMESPACE
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