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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 "loadscenejob_p.h"
#include <private/renderer_p.h>
#include <private/nodemanagers_p.h>
#include <private/scenemanager_p.h>
#include <Qt3DCore/qentity.h>
#include <Qt3DRender/private/job_common_p.h>
#include <Qt3DRender/private/qsceneiohandler_p.h>
#include <Qt3DRender/qsceneloader.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
LoadSceneJob::LoadSceneJob(const QUrl &source, Qt3DCore::QNodeId m_sceneComponent)
: QAspectJob()
, m_source(source)
, m_sceneComponent(m_sceneComponent)
, m_managers(nullptr)
{
SET_JOB_RUN_STAT_TYPE(this, JobTypes::LoadScene, 0);
}
NodeManagers *LoadSceneJob::nodeManagers() const
{
return m_managers;
}
QList<QSceneIOHandler *> LoadSceneJob::sceneIOHandlers() const
{
return m_sceneIOHandlers;
}
QUrl LoadSceneJob::source() const
{
return m_source;
}
Qt3DCore::QNodeId LoadSceneJob::sceneComponentId() const
{
return m_sceneComponent;
}
void LoadSceneJob::run()
{
// Iterate scene IO handlers until we find one that can handle this file type
Qt3DCore::QEntity *sceneSubTree = nullptr;
Scene *scene = m_managers->sceneManager()->lookupResource(m_sceneComponent);
Q_ASSERT(scene);
// Reset status
scene->setStatus(QSceneLoader::None);
// Perform the loading only if the source wasn't explicitly set to empty
if (!m_source.isEmpty()) {
for (QSceneIOHandler *sceneIOHandler : qAsConst(m_sceneIOHandlers)) {
if (!sceneIOHandler->isFileTypeSupported(m_source))
continue;
// If the file type is supported -> enter Loading status
scene->setStatus(QSceneLoader::Loading);
// File type is supported, try to load it
sceneIOHandler->setSource(m_source);
Qt3DCore::QEntity *sub = sceneIOHandler->scene();
if (sub) {
sceneSubTree = sub;
// Successfully built a subtree
scene->setStatus(QSceneLoader::Ready);
break;
} else {
// Tree wasn't build so something went wrong obviously
scene->setStatus(QSceneLoader::Error);
}
}
}
// If the sceneSubTree is null it will trigger the frontend to unload
// any subtree it may hold
// Set clone of sceneTree in sceneComponent. This will move the sceneSubTree
// to the QCoreApplication thread which is where the frontend object tree lives.
scene->setSceneSubtree(sceneSubTree);
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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