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Diffstat (limited to 'src/declarative/particles/qsgparticleaffector_p.h')
-rw-r--r-- | src/declarative/particles/qsgparticleaffector_p.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/declarative/particles/qsgparticleaffector_p.h b/src/declarative/particles/qsgparticleaffector_p.h new file mode 100644 index 0000000000..b299158069 --- /dev/null +++ b/src/declarative/particles/qsgparticleaffector_p.h @@ -0,0 +1,192 @@ +/**************************************************************************** +** +** 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 "qsgparticlesystem_p.h" +#include "qsgparticleextruder_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class QSGParticleAffector : public QSGItem +{ + Q_OBJECT + Q_PROPERTY(QSGParticleSystem* 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(QSGParticleExtruder* shape READ shape WRITE setShape NOTIFY shapeChanged) + Q_PROPERTY(bool signal READ signal WRITE setSignal NOTIFY signalChanged) + +public: + explicit QSGParticleAffector(QSGItem *parent = 0); + virtual void affectSystem(qreal dt); + virtual void reset(int systemIdx);//As some store their own data per idx? + QSGParticleSystem* system() const + { + return m_system; + } + + QStringList particles() const + { + return m_particles; + } + + bool active() const + { + return m_active; + } + + bool onceOff() const + { + return m_onceOff; + } + + QSGParticleExtruder* shape() const + { + return m_shape; + } + + bool signal() const + { + return m_signal; + } + +signals: + + void systemChanged(QSGParticleSystem* arg); + + void particlesChanged(QStringList arg); + + void activeChanged(bool arg); + + void onceOffChanged(bool arg); + + void shapeChanged(QSGParticleExtruder* arg); + + void affected(qreal x, qreal y);//###Idx too? + void signalChanged(bool arg); + +public slots: +void setSystem(QSGParticleSystem* 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(QSGParticleExtruder* 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 QSGParticleSystem; + virtual bool affectParticle(QSGParticleData *d, qreal dt); + bool m_needsReset;//### What is this really saving? + QSGParticleSystem* 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; + + QSGParticleExtruder* m_shape; + + bool m_signal; + +private slots: + void updateOffsets(); +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // PARTICLEAFFECTOR_H |