qquickgroupgoal.cpp

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// 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
 
#include "qquickgroupgoal_p.h"
#include <private/qquickspriteengine_p.h>
#include <private/qquicksprite_p.h>
#include "qquickimageparticle_p.h"
#include <QDebug>
 
QT_BEGIN_NAMESPACE
 
QQuickGroupGoalAffector::QQuickGroupGoalAffector(QQuickItem *parent) :
    QQuickParticleAffector(parent), m_jump(false)
{
    m_ignoresTime = true;
}
 
void QQuickGroupGoalAffector::setGoalState(const QString &arg)
{
    if (m_goalState != arg) {
        m_goalState = arg;
        emit goalStateChanged(arg);
    }
}
 
bool QQuickGroupGoalAffector::affectParticle(QQuickParticleData *d, qreal dt)
{
    Q_UNUSED(dt);
    QQuickStochasticEngine *engine = m_system->stateEngine;
    int index = d->systemIndex;
    int goalIdx = m_system->groupIds[m_goalState];
    if (!engine){//no stochastic states defined. So cut out the engine
        //TODO: It's possible to move to a group that is intermediate and not used by painters or emitters - but right now that will redirect to the default group
        m_system->moveGroups(d, goalIdx);
        return true;
    }else if (engine->curState(index) != goalIdx){
        engine->setGoal(goalIdx, index, m_jump);
        return true;
    }
    return false;
}
 
QT_END_NAMESPACE
 
#include "moc_qquickgroupgoal_p.cpp"