diff options
Diffstat (limited to 'src/particles/qquickparticleemitter.cpp')
| -rw-r--r-- | src/particles/qquickparticleemitter.cpp | 115 |
1 files changed, 39 insertions, 76 deletions
diff --git a/src/particles/qquickparticleemitter.cpp b/src/particles/qquickparticleemitter.cpp index 5ec834a463..ff5336a73d 100644 --- a/src/particles/qquickparticleemitter.cpp +++ b/src/particles/qquickparticleemitter.cpp @@ -1,52 +1,20 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQuick 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses #include "qquickparticleemitter_p.h" -#include <private/qqmlengine_p.h> + #include <private/qqmlglobal_p.h> -#include <QRandomGenerator> -QT_BEGIN_NAMESPACE +#include <private/qquickv4particledata_p.h> +#include <QtCore/qrandom.h> + +QT_BEGIN_NAMESPACE /*! \qmltype Emitter - \instantiates QQuickParticleEmitter +//! \instantiates QQuickParticleEmitter \inqmlmodule QtQuick.Particles \brief Emits logical particles. \ingroup qtquick-particles @@ -63,7 +31,6 @@ QT_BEGIN_NAMESPACE ParticleSystem. This includes attributes like lifespan. */ - /*! \qmlproperty ParticleSystem QtQuick.Particles::Emitter::system @@ -190,30 +157,29 @@ QT_BEGIN_NAMESPACE /*! \qmlsignal QtQuick.Particles::Emitter::emitParticles(Array particles) - This signal is emitted when particles are emitted. particles is a JavaScript + This signal is emitted when particles are emitted. \a particles is a JavaScript array of Particle objects. You can modify particle attributes directly within the handler. - Note that JavaScript is slower to execute, so it is not recommended to use this in + \note JavaScript is slower to execute, so it is not recommended to use this in high-volume particle systems. - - The corresponding handler is \c onEmitParticles. */ /*! \qmlmethod QtQuick.Particles::Emitter::burst(int count) - Emits count particles from this emitter immediately. + Emits a number of particles, specified by \a count, from this emitter immediately. */ /*! \qmlmethod QtQuick.Particles::Emitter::burst(int count, int x, int y) - Emits count particles from this emitter immediately. The particles are emitted - as if the Emitter was positioned at x,y but all other properties are the same. + Emits a number of particles, specified by \a count, from this emitter immediately. + The particles are emitted as if the Emitter was positioned at (\a {x}, \a {y}) but + all other properties are the same. */ /*! \qmlmethod QtQuick.Particles::Emitter::pulse(int duration) - If the emitter is not enabled, enables it for duration milliseconds and then switches - it back off. + If the emitter is not enabled, enables it for a specified \a duration + (in milliseconds) and then switches it back off. */ QQuickParticleEmitter::QQuickParticleEmitter(QQuickItem *parent) : @@ -243,10 +209,10 @@ QQuickParticleEmitter::QQuickParticleEmitter(QQuickItem *parent) : { //TODO: Reset velocity/acc back to null vector? Or allow null pointer? - connect(this, SIGNAL(particlesPerSecondChanged(qreal)), - this, SIGNAL(particleCountChanged())); - connect(this, SIGNAL(particleDurationChanged(int)), - this, SIGNAL(particleCountChanged())); + connect(this, &QQuickParticleEmitter::particlesPerSecondChanged, + this, &QQuickParticleEmitter::particleCountChanged); + connect(this, &QQuickParticleEmitter::particleDurationChanged, + this, &QQuickParticleEmitter::particleCountChanged); } QQuickParticleEmitter::~QQuickParticleEmitter() @@ -257,7 +223,8 @@ QQuickParticleEmitter::~QQuickParticleEmitter() bool QQuickParticleEmitter::isEmitConnected() { - IS_SIGNAL_CONNECTED(this, QQuickParticleEmitter, emitParticles, (QQmlV4Handle)); + IS_SIGNAL_CONNECTED( + this, QQuickParticleEmitter, emitParticles, (const QList<QQuickV4ParticleData> &)); } void QQuickParticleEmitter::reclaculateGroupId() const @@ -317,15 +284,15 @@ void QQuickParticleEmitter::setMaxParticleCount(int arg) { if (m_maxParticleCount != arg) { if (arg < 0 && m_maxParticleCount >= 0){ - connect(this, SIGNAL(particlesPerSecondChanged(qreal)), - this, SIGNAL(particleCountChanged())); - connect(this, SIGNAL(particleDurationChanged(int)), - this, SIGNAL(particleCountChanged())); - }else if (arg >= 0 && m_maxParticleCount < 0){ - disconnect(this, SIGNAL(particlesPerSecondChanged(qreal)), - this, SIGNAL(particleCountChanged())); - disconnect(this, SIGNAL(particleDurationChanged(int)), - this, SIGNAL(particleCountChanged())); + connect(this, &QQuickParticleEmitter::particlesPerSecondChanged, + this, &QQuickParticleEmitter::particleCountChanged); + connect(this, &QQuickParticleEmitter::particleDurationChanged, + this, &QQuickParticleEmitter::particleCountChanged); + } else if (arg >= 0 && m_maxParticleCount < 0){ + disconnect(this, &QQuickParticleEmitter::particlesPerSecondChanged, + this, &QQuickParticleEmitter::particleCountChanged); + disconnect(this, &QQuickParticleEmitter::particleDurationChanged, + this, &QQuickParticleEmitter::velocityFromMovementChanged); } m_overwrite = arg < 0; m_maxParticleCount = arg; @@ -485,23 +452,19 @@ void QQuickParticleEmitter::emitWindow(int timeStamp) m_system->emitParticle(d, this); if (isEmitConnected()) { - QQmlEngine *qmlEngine = ::qmlEngine(this); - QV4::ExecutionEngine *v4 = qmlEngine->handle(); - QV4::Scope scope(v4); - //Done after emitParticle so that the Painter::load is done first, this allows you to customize its static variables //We then don't need to request another reload, because the first reload isn't scheduled until we get back to the render thread - QV4::ScopedArrayObject array(scope, v4->newArrayObject(toEmit.size())); - QV4::ScopedValue v(scope); - for (int i=0; i<toEmit.size(); i++) - array->put(i, (v = toEmit[i]->v4Value(m_system))); - emitParticles(QQmlV4Handle(array));//A chance for arbitrary JS changes + QList<QQuickV4ParticleData> particles; + particles.reserve(toEmit.size()); + for (QQuickParticleData *particle : std::as_const(toEmit)) + particles.push_back(particle->v4Value(m_system)); + + emit emitParticles(particles);//A chance for arbitrary JS changes } m_last_emission = pt; - m_last_last_last_emitter = m_last_last_emitter; m_last_last_emitter = m_last_emitter; m_last_emitter = QPointF(x(), y()); m_last_timestamp = time; |