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/****************************************************************************
**
** Copyright (C) 2014 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qentity.h"
#include "qentity_p.h"
#include "qcomponent.h"
#include "qcomponent_p.h"
#include "qabstracttransform.h"
#include "qmatrixtransform.h"
#include <Qt3DCore/qsceneinterface.h>
#include <Qt3DCore/qscenepropertychange.h>
#include <Qt3DCore/private/corelogging_p.h>
#include <QMetaObject>
#include <QMetaProperty>
QT_BEGIN_NAMESPACE
namespace Qt3D {
QEntityPrivate::QEntityPrivate(QEntity *qq)
: QNodePrivate(qq)
, m_enabled(true)
{}
QEntity::QEntity(QNode *parent)
: QNode(*new QEntityPrivate(this), parent)
{
}
QEntity::~QEntity()
{
// If all children are removed
// That includes the components that are parented by this entity
// We need to call removeAllComponent only for real Entities (not clone)
if (d_func()->m_changeArbiter)
removeAllComponents();
}
QEntity::QEntity(QEntityPrivate &dd, QNode *parent)
: QNode(dd, parent)
{
}
void QEntity::copy(const QNode *ref)
{
QNode::copy(ref);
const QEntity *entity = static_cast<const QEntity*>(ref);
d_func()->m_enabled = entity->d_func()->m_enabled;
d_func()->m_visible = entity->d_func()->m_visible;
Q_FOREACH (QComponent *c, entity->d_func()->m_components) {
QNode *ccclone = QNode::clone(c);
addComponent(qobject_cast<QComponent *>(ccclone));
}
}
QList<QComponent *> QEntity::components() const
{
Q_D(const QEntity);
return d->m_components;
}
void QEntity::addComponent(QComponent *comp)
{
Q_D(QEntity);
Q_CHECK_PTR( comp );
qCDebug(Nodes) << Q_FUNC_INFO << comp;
Q_ASSERT(d->m_components.count(comp) == 0);
d->m_components.append(comp);
// We only set the Entity as the Component's parent when it has no parent
// This will be the case mostly on C++ but rarely in QML
if (!comp->parent())
comp->setParent(this);
if (d->m_scene != Q_NULLPTR) {
if (!comp->shareable() && !d->m_scene->entitiesForComponent(comp->id()).isEmpty())
qWarning() << "Trying to assign a non shareable component to more than one Entity";
d->m_scene->addEntityForComponent(comp->id(), d->m_id);
}
if (d->m_changeArbiter != Q_NULLPTR) {
// Sending a full fledged component in the notification as we'll need
// to know which type of component it was and its properties to create
// the backend object
QScenePropertyChangePtr propertyChange(new QScenePropertyChange(ComponentAdded, this));
propertyChange->setPropertyName("component");
propertyChange->setValue(QVariant::fromValue(QNodePtr(QNode::clone(comp), &QNodePrivate::nodePtrDeleter)));
d->notifyObservers(propertyChange);
}
static_cast<QComponentPrivate *>(QComponentPrivate::get(comp))->addEntity(this);
}
void QEntity::removeComponent(QComponent *comp)
{
Q_CHECK_PTR(comp);
qCDebug(Nodes) << Q_FUNC_INFO << comp;
Q_D(QEntity);
static_cast<QComponentPrivate *>(QComponentPrivate::get(comp))->removeEntity(this);
if (d->m_changeArbiter != Q_NULLPTR) {
// Sending just the component id as it is the only part needed to
// cleanup the backend object. This way we avoid a clone which might
// fail in the case of large scenes.
QScenePropertyChangePtr propertyChange(new QScenePropertyChange(ComponentRemoved, this));
propertyChange->setValue(QVariant::fromValue(comp->id()));
propertyChange->setPropertyName("componentId");
d->notifyObservers(propertyChange);
}
if (d->m_scene != Q_NULLPTR)
d->m_scene->removeEntityForComponent(comp->id(), d->m_id);
d->m_components.removeOne(comp);
}
void QEntity::removeAllComponents()
{
Q_D(const QEntity);
Q_FOREACH (QComponent *comp, d->m_components)
removeComponent(comp);
}
QEntity *QEntity::parentEntity() const
{
QNode *parentNode = QNode::parentNode();
QEntity *parentEntity = qobject_cast<QEntity *>(parentNode);
while (parentEntity == Q_NULLPTR && parentNode != Q_NULLPTR) {
parentNode = parentNode->parentNode();
parentEntity = qobject_cast<QEntity*>(parentNode);
}
return parentEntity;
}
} // namespace Qt3D
QT_END_NAMESPACE
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