diff options
Diffstat (limited to 'src/particles/qquickparticlepainter.cpp')
-rw-r--r-- | src/particles/qquickparticlepainter.cpp | 52 |
1 files changed, 41 insertions, 11 deletions
diff --git a/src/particles/qquickparticlepainter.cpp b/src/particles/qquickparticlepainter.cpp index 134689713d..d6303eb219 100644 --- a/src/particles/qquickparticlepainter.cpp +++ b/src/particles/qquickparticlepainter.cpp @@ -64,9 +64,13 @@ QT_BEGIN_NAMESPACE If empty, it will paint the default particle group (""). */ -QQuickParticlePainter::QQuickParticlePainter(QQuickItem *parent) : - QQuickItem(parent), - m_system(0), m_count(0), m_pleaseReset(true), m_window(0) +QQuickParticlePainter::QQuickParticlePainter(QQuickItem *parent) + : QQuickItem(parent) + , m_system(0) + , m_count(0) + , m_pleaseReset(true) + , m_window(0) + , m_groupIdsNeedRecalculation(false) { } @@ -89,11 +93,32 @@ void QQuickParticlePainter::componentComplete() QQuickItem::componentComplete(); } +void QQuickParticlePainter::recalculateGroupIds() const +{ + if (!m_system) { + m_groupIds.clear(); + return; + } + + m_groupIdsNeedRecalculation = false; + m_groupIds.clear(); + + for (const QString &str : groups()) { + QQuickParticleGroupData::ID groupId = m_system->groupIds.value(str, QQuickParticleGroupData::InvalidID); + if (groupId == QQuickParticleGroupData::InvalidID) { + // invalid data, not finished setting up, or whatever. Fallback: do not cache. + m_groupIdsNeedRecalculation = true; + } else { + m_groupIds.append(groupId); + } + } +} void QQuickParticlePainter::setSystem(QQuickParticleSystem *arg) { if (m_system != arg) { m_system = arg; + m_groupIdsNeedRecalculation = true; if (m_system){ m_system->registerParticlePainter(this); reset(); @@ -102,19 +127,29 @@ void QQuickParticlePainter::setSystem(QQuickParticleSystem *arg) } } +void QQuickParticlePainter::setGroups(const QStringList &arg) +{ + if (m_groups != arg) { + m_groups = arg; + m_groupIdsNeedRecalculation = true; + //Note: The system watches this as it has to recalc things when groups change. It will request a reset if necessary + Q_EMIT groupsChanged(arg); + } +} + void QQuickParticlePainter::load(QQuickParticleData* d) { - initialize(d->group, d->index); + initialize(d->groupId, d->index); if (m_pleaseReset) return; - m_pendingCommits << qMakePair<int, int>(d->group, d->index); + m_pendingCommits << qMakePair<int, int>(d->groupId, d->index); } void QQuickParticlePainter::reload(QQuickParticleData* d) { if (m_pleaseReset) return; - m_pendingCommits << qMakePair<int, int>(d->group, d->index); + m_pendingCommits << qMakePair<int, int>(d->groupId, d->index); } void QQuickParticlePainter::reset() @@ -133,11 +168,6 @@ void QQuickParticlePainter::setCount(int c)//### TODO: some resizeing so that pa reset(); } -int QQuickParticlePainter::count() -{ - return m_count; -} - void QQuickParticlePainter::calcSystemOffset(bool resetPending) { if (!m_system || !parentItem()) |