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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Declarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PARTICLEAFFECTOR_H
#define PARTICLEAFFECTOR_H
#include <QObject>
#include "particlesystem.h"
#include "particleextruder.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class ParticleAffector : public QSGItem
{
Q_OBJECT
Q_PROPERTY(ParticleSystem* system READ system WRITE setSystem NOTIFY systemChanged)
Q_PROPERTY(QStringList particles READ particles WRITE setParticles NOTIFY particlesChanged)
Q_PROPERTY(bool active READ active WRITE setActive NOTIFY activeChanged)
Q_PROPERTY(bool onceOff READ onceOff WRITE setOnceOff NOTIFY onceOffChanged)
Q_PROPERTY(ParticleExtruder* shape READ shape WRITE setShape NOTIFY shapeChanged)
Q_PROPERTY(bool signal READ signal WRITE setSignal NOTIFY signalChanged)
public:
explicit ParticleAffector(QSGItem *parent = 0);
virtual void affectSystem(qreal dt);
virtual void reset(int systemIdx);//As some store their own data per idx?
ParticleSystem* system() const
{
return m_system;
}
QStringList particles() const
{
return m_particles;
}
bool active() const
{
return m_active;
}
bool onceOff() const
{
return m_onceOff;
}
ParticleExtruder* shape() const
{
return m_shape;
}
bool signal() const
{
return m_signal;
}
signals:
void systemChanged(ParticleSystem* arg);
void particlesChanged(QStringList arg);
void activeChanged(bool arg);
void onceOffChanged(bool arg);
void shapeChanged(ParticleExtruder* arg);
void affected(qreal x, qreal y);//###Idx too?
void signalChanged(bool arg);
public slots:
void setSystem(ParticleSystem* arg)
{
if (m_system != arg) {
m_system = arg;
m_system->registerParticleAffector(this);
emit systemChanged(arg);
}
}
void setParticles(QStringList arg)
{
if (m_particles != arg) {
m_particles = arg;
m_updateIntSet = true;
emit particlesChanged(arg);
}
}
void setActive(bool arg)
{
if (m_active != arg) {
m_active = arg;
emit activeChanged(arg);
}
}
void setOnceOff(bool arg)
{
if (m_onceOff != arg) {
m_onceOff = arg;
emit onceOffChanged(arg);
}
}
void setShape(ParticleExtruder* arg)
{
if (m_shape != arg) {
m_shape = arg;
emit shapeChanged(arg);
}
}
void setSignal(bool arg)
{
if (m_signal != arg) {
m_signal = arg;
emit signalChanged(arg);
}
}
protected:
friend class ParticleSystem;
virtual bool affectParticle(ParticleData *d, qreal dt);
bool m_needsReset;//### What is this really saving?
ParticleSystem* m_system;
QStringList m_particles;
bool activeGroup(int g) {return m_groups.isEmpty() || m_groups.contains(g);}
bool m_active;
virtual void componentComplete();
QPointF m_offset;
private:
QSet<int> m_groups;
QSet<int> m_onceOffed;
bool m_updateIntSet;
bool m_onceOff;
ParticleExtruder* m_shape;
bool m_signal;
private slots:
void updateOffsets();
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // PARTICLEAFFECTOR_H
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