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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 "qmaterial.h"
#include "qmaterial_p.h"
#include "qtexture.h"
#include "qeffect.h"
#include <Qt3DRender/private/renderlogging_p.h>
#include "qparameter.h"
#include <Qt3DCore/qpropertyupdatedchange.h>
#include <Qt3DCore/qpropertynodeaddedchange.h>
#include <Qt3DCore/qpropertynoderemovedchange.h>
/*!
\qmltype Material
\instantiates Qt3DRender::QMaterial
\inqmlmodule Qt3D.Render
\brief Non-creatable abstract base for materials.
\since 5.5
Material provides a way to specify the rendering of an \l{Qt3D.Core::Entity}{entity}.
Any aspect can define its own subtype of Material so that a
Material can be used to describe a visual element; for example, the way
sound should reflect off an element, the temperature of a surface,
and so on.
\sa Effect
*/
/*!
\class Qt3DRender::QMaterial
\inmodule Qt3DRender
\inherits Qt3DCore::QComponent
\brief Provides an abstract class that should be the base of all material component classes
in a scene.
\since 5.5
QMaterial provides a way to specify the rendering of an \l{Qt3DCore::QEntity}{entity}.
Any aspect can define its own subclass of QMaterial so that a
Material can be used to describe a visual element; for example, the way
sound should reflect off an element, the temperature of a surface,
and so on.
\sa QEffect
*/
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
QMaterialPrivate::QMaterialPrivate()
: QComponentPrivate()
, m_effect(nullptr)
{
}
QMaterialPrivate::~QMaterialPrivate()
{
}
QMaterial::QMaterial(QNode *parent)
: QComponent(*new QMaterialPrivate, parent)
{
}
QMaterial::~QMaterial()
{
}
/*! \internal */
QMaterial::QMaterial(QMaterialPrivate &dd, QNode *parent)
: QComponent(dd, parent)
{
}
/*!
\qmlproperty list<Parameter> Material::parameters
Holds the list of parameters used by the material.
*/
/*!
\qmlproperty Effect Material::effect
Specifies the effect to be used with the material.
*/
/*!
\property QMaterial::effect
Specifies the effect to be used with the material.
*/
void QMaterial::setEffect(QEffect *effect)
{
Q_D(QMaterial);
if (effect != d->m_effect) {
if (d->m_effect)
d->unregisterDestructionHelper(d->m_effect);
// We need to add it as a child of the current node if it has been declared inline
// Or not previously added as a child of the current node so that
// 1) The backend gets notified about it's creation
// 2) When the current node is destroyed, it gets destroyed as well
if (effect && !effect->parent())
effect->setParent(this);
d->m_effect = effect;
// Ensures proper bookkeeping
if (d->m_effect)
d->registerDestructionHelper(d->m_effect, &QMaterial::setEffect, d->m_effect);
emit effectChanged(effect);
}
}
QEffect *QMaterial::effect() const
{
Q_D(const QMaterial);
return d->m_effect;
}
/*!
* Add a \a parameter to the material's parameters.
*/
void QMaterial::addParameter(QParameter *parameter)
{
Q_ASSERT(parameter);
Q_D(QMaterial);
if (!d->m_parameters.contains(parameter)) {
d->m_parameters.append(parameter);
// Ensures proper bookkeeping
d->registerDestructionHelper(parameter, &QMaterial::removeParameter, d->m_parameters);
// We need to add it as a child of the current node if it has been declared inline
// Or not previously added as a child of the current node so that
// 1) The backend gets notified about it's creation
// 2) When the current node is destroyed, it gets destroyed as well
if (!parameter->parent())
parameter->setParent(this);
if (d->m_changeArbiter != nullptr) {
const auto change = QPropertyNodeAddedChangePtr::create(id(), parameter);
change->setPropertyName("parameter");
d->notifyObservers(change);
}
}
}
/*!
* Remove a \a parameter from the material's parameters.
*/
void QMaterial::removeParameter(QParameter *parameter)
{
Q_ASSERT(parameter);
Q_D(QMaterial);
if (d->m_changeArbiter != nullptr) {
const auto change = QPropertyNodeRemovedChangePtr::create(id(), parameter);
change->setPropertyName("parameter");
d->notifyObservers(change);
}
d->m_parameters.removeOne(parameter);
}
/*!
* Returns a vector of the material's current parameters
*/
QVector<QParameter *> QMaterial::parameters() const
{
Q_D(const QMaterial);
return d->m_parameters;
}
Qt3DCore::QNodeCreatedChangeBasePtr QMaterial::createNodeCreationChange() const
{
auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QMaterialData>::create(this);
auto &data = creationChange->data;
Q_D(const QMaterial);
data.parameterIds = qIdsForNodes(d->m_parameters);
data.effectId = qIdForNode(d->m_effect);
return creationChange;
}
} // namespace Qt3DRender
QT_END_NAMESPACE
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