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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 PARTICLE_H
#define PARTICLE_H
#include <QObject>
#include <QDebug>
#include "particlesystem.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class ParticleType : public QSGItem
{
Q_OBJECT
Q_PROPERTY(ParticleSystem* system READ system WRITE setSystem NOTIFY systemChanged)
Q_PROPERTY(QStringList particles READ particles WRITE setParticles NOTIFY particlesChanged)
public:
explicit ParticleType(QSGItem *parent = 0);
virtual void load(ParticleData*);
virtual void reload(ParticleData*);
virtual void setCount(int c);
virtual int count();
ParticleSystem* system() const
{
return m_system;
}
QStringList particles() const
{
return m_particles;
}
int particleTypeIndex(ParticleData*);
virtual void componentComplete();
signals:
void countChanged();
void systemChanged(ParticleSystem* arg);
void particlesChanged(QStringList arg);
public slots:
void setSystem(ParticleSystem* arg);
void setParticles(QStringList arg)
{
if (m_particles != arg) {
m_particles = arg;
emit particlesChanged(arg);
}
}
private slots:
void calcSystemOffset();
protected:
virtual void reset();
// virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *){
// qDebug() << "Shouldn't be here..." << this;
// return 0;
// }
ParticleSystem* m_system;
friend class ParticleSystem;
int m_count;
bool m_pleaseReset;
QStringList m_particles;
QHash<int,int> m_particleStarts;
int m_lastStart;
QPointF m_systemOffset;
template <typename VertexStruct>
void vertexCopy(VertexStruct &b, const ParticleVertex& a)
{
b.x = a.x - m_systemOffset.x();
b.y = a.y - m_systemOffset.y();
b.t = a.t;
b.lifeSpan = a.lifeSpan;
b.size = a.size;
b.endSize = a.endSize;
b.sx = a.sx;
b.sy = a.sy;
b.ax = a.ax;
b.ay = a.ay;
}
private:
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // PARTICLE_H
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