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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 "parameter_p.h"
#include <Qt3DCore/qscenepropertychange.h>
#include <Qt3DRender/qparameter.h>
#include <Qt3DRender/qtexture.h>
#include <Qt3DRender/qshaderdata.h>
#include <Qt3DRender/private/managers_p.h>
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
namespace Render {
Parameter::Parameter()
: QBackendNode()
, m_shaderDataManager(Q_NULLPTR)
, m_textureManager(Q_NULLPTR)
{
}
void Parameter::updateFromPeer(Qt3DCore::QNode *mat)
{
QParameter *param = static_cast<QParameter *>(mat);
m_name = param->name();
m_value = toBackendValue(param->value());
}
void Parameter::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
{
QScenePropertyChangePtr propertyChange = qSharedPointerCast<QScenePropertyChange>(e);
if (e->type() == NodeUpdated) {
if (propertyChange->propertyName() == QByteArrayLiteral("name"))
m_name = propertyChange->value().toString();
else if (propertyChange->propertyName() == QByteArrayLiteral("value"))
m_value = toBackendValue(propertyChange->value());
}
}
QString Parameter::name() const
{
return m_name;
}
QVariant Parameter::value() const
{
return m_value;
}
void Parameter::setShaderDataManager(ShaderDataManager *shaderDataManager)
{
m_shaderDataManager = shaderDataManager;
}
void Parameter::setTextureManager(TextureManager *textureManager)
{
m_textureManager = textureManager;
}
QVariant Parameter::toBackendValue(const QVariant &value)
{
QNode *node = value.value<QNode *>();
if (node == Q_NULLPTR) {
return value;
} else if (qobject_cast<QAbstractTextureProvider*>(node)) {
return QVariant::fromValue(static_cast<Texture*>(createBackendNode(node)));
} else if (qobject_cast<QShaderData*>(node)) {
return QVariant::fromValue(static_cast<ShaderData*>(createBackendNode(node)));
} else {
qFatal("Texture and ShaderData are the only types of Node allowed as parameters");
return QVariant();
}
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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