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Diffstat (limited to 'src/imports/particles/spritegoalaffector.cpp')
-rw-r--r-- | src/imports/particles/spritegoalaffector.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/imports/particles/spritegoalaffector.cpp b/src/imports/particles/spritegoalaffector.cpp new file mode 100644 index 0000000000..2bd56c4a07 --- /dev/null +++ b/src/imports/particles/spritegoalaffector.cpp @@ -0,0 +1,100 @@ +/**************************************************************************** +** +** 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "spritegoalaffector.h" +#include "spriteparticle.h" +#include "spriteengine.h" +#include "spritestate.h" +#include <QDebug> + +QT_BEGIN_NAMESPACE + +SpriteGoalAffector::SpriteGoalAffector(QSGItem *parent) : + ParticleAffector(parent), m_goalIdx(-1), m_jump(false) +{ +} + +void SpriteGoalAffector::updateStateIndex(SpriteEngine* e) +{ + m_lastEngine = e; + for(int i=0; i<e->stateCount(); i++){ + if(e->state(i)->name() == m_goalState){ + m_goalIdx = i; + return; + } + } + m_goalIdx = -1;//Can't find it +} + +void SpriteGoalAffector::setGoalState(QString arg) +{ + if (m_goalState != arg) { + m_goalState = arg; + emit goalStateChanged(arg); + if(m_goalState.isEmpty()) + m_goalIdx = -1; + else + m_goalIdx = -2; + } +} + +bool SpriteGoalAffector::affectParticle(ParticleData *d, qreal dt) +{ + Q_UNUSED(dt); + //TODO: Affect all engines + SpriteEngine *engine = 0; + foreach(ParticleType *p, m_system->m_groupData[d->group]->types) + if(qobject_cast<SpriteParticle*>(p)) + engine = qobject_cast<SpriteParticle*>(p)->spriteEngine(); + if(!engine) + return false; + + if(m_goalIdx == -2 || engine != m_lastEngine) + updateStateIndex(engine); + if(engine->spriteState(d->particleIndex) != m_goalIdx){ + engine->setGoal(m_goalIdx, d->particleIndex, m_jump); + emit affected(QPointF(d->curX(), d->curY()));//###Expensive if unconnected? Move to Affector? + return true; //Doesn't affect particle data, but necessary for onceOff + } + return false; +} + +QT_END_NAMESPACE |