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/****************************************************************************
**
** Copyright (C) 2016 Paul Lemire
** 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 "filterlayerentityjob_p.h"
#include <Qt3DRender/private/managers_p.h>
#include <Qt3DRender/private/nodemanagers_p.h>
#include <Qt3DRender/private/entity_p.h>
#include <Qt3DRender/private/job_common_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
namespace {
int layerFilterJobCounter = 0;
} // anonymous
FilterLayerEntityJob::FilterLayerEntityJob()
: Qt3DCore::QAspectJob()
, m_manager(nullptr)
{
SET_JOB_RUN_STAT_TYPE(this, JobTypes::LayerFiltering, layerFilterJobCounter++);
}
void FilterLayerEntityJob::run()
{
m_filteredEntities.clear();
if (m_hasLayerFilter) { // LayerFilter set -> filter
LayerManager *layerManager = m_manager->layerManager();
// Remove layerIds which are not active/enabled
for (auto i = m_layerIds.size() - 1; i >= 0; --i) {
Layer *backendLayer = layerManager->lookupResource(m_layerIds.at(i));
if (backendLayer == nullptr || !backendLayer->isEnabled())
m_layerIds.removeAt(i);
}
filterLayerAndEntity();
} else { // No LayerFilter set -> retrieve all
selectAllEntities();
}
}
// Note: we assume that m_layerIds contains only enabled layers
// -> meaning that if an Entity references such a layer, it's enabled
void FilterLayerEntityJob::filterLayerAndEntity()
{
EntityManager *entityManager = m_manager->renderNodesManager();
const QVector<HEntity> handles = entityManager->activeHandles();
for (const HEntity handle : handles) {
Entity *entity = entityManager->data(handle);
if (!entity->isEnabled())
continue;
const Qt3DCore::QNodeIdVector entityLayers = entity->componentsUuid<Layer>();
// An Entity is positively filtered if it contains at least one Layer component with the same id as the
// layers selected by the LayerFilter
for (const Qt3DCore::QNodeId id : entityLayers) {
if (m_layerIds.contains(id)) {
m_filteredEntities.push_back(entity);
break;
}
}
}
}
// No layer filter -> retrieve all entities
void FilterLayerEntityJob::selectAllEntities()
{
EntityManager *entityManager = m_manager->renderNodesManager();
const QVector<HEntity> handles = entityManager->activeHandles();
m_filteredEntities.reserve(handles.size());
for (const HEntity handle : handles) {
Entity *e = entityManager->data(handle);
if (e->isEnabled())
m_filteredEntities.push_back(e);
}
}
} // Render
} // Qt3DRender
QT_END_NAMESPACE
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