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Enable culling for particle emitters & programs

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Big speedup, though might cause timing inconsistencies that we should fix at some point.
This commit is contained in:
scrawl 2015-04-09 16:52:38 +02:00
parent 0b77ae43a4
commit 8b206e0aed
1 changed files with 3 additions and 0 deletions
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3
components/nifosg/nifloader.cpp
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@ -954,6 +954,7 @@ namespace NifOsg
attachTo->addChild(program);
program->setParticleSystem(partsys);
program->setReferenceFrame(rf);
program->setCullingActive(true);
for (; !affectors.empty(); affectors = affectors->extra)
{
if (affectors->recType == Nif::RC_NiParticleGrowFade)
@ -1100,6 +1101,7 @@ namespace NifOsg
osg::ref_ptr<Emitter> emitter = handleParticleEmitter(partctrl);
emitter->setParticleSystem(partsys);
emitter->setReferenceFrame(osgParticle::ParticleProcessor::RELATIVE_RF);
emitter->setCullingActive(true);
// Note: we assume that the Emitter node is placed *before* the Particle node in the scene graph.
// This seems to be true for all NIF files in the game that I've checked, suggesting that NIFs work similar to OSG with regards to update order.
@ -1140,6 +1142,7 @@ namespace NifOsg
// particle system updater (after the emitters and affectors in the scene graph)
// I think for correct culling needs to be *before* the ParticleSystem, though osg examples do it the other way
osg::ref_ptr<osgParticle::ParticleSystemUpdater> updater = new osgParticle::ParticleSystemUpdater;
updater->setCullingActive(true);
updater->addParticleSystem(partsys);
parentNode->addChild(updater);