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Work around particles not being rendered in the first frame

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This commit is contained in:
scrawl 2014-12-15 18:19:05 +01:00
parent c7e1c0b595
commit 84b0dcf2e3
1 changed files with 2 additions and 1 deletions
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3
components/nifogre/ogrenifloader.cpp
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@ -1033,7 +1033,7 @@ class NIFObjectLoader
static void createParticleInitialState(Ogre::ParticleSystem* partsys, const Nif::NiAutoNormalParticlesData* particledata, static void createParticleInitialState(Ogre::ParticleSystem* partsys, const Nif::NiAutoNormalParticlesData* particledata,
const Nif::NiParticleSystemController* partctrl) const Nif::NiParticleSystemController* partctrl)
{ {
partsys->_update(0.f); // seems to be required to allocate mFreeParticles partsys->_update(0.f); // seems to be required to allocate mFreeParticles. TODO: patch Ogre to handle this better
int i=0; int i=0;
for (std::vector<Nif::NiParticleSystemController::Particle>::const_iterator it = partctrl->particles.begin(); for (std::vector<Nif::NiParticleSystemController::Particle>::const_iterator it = partctrl->particles.begin();
i<particledata->activeCount && it != partctrl->particles.end(); ++it, ++i) i<particledata->activeCount && it != partctrl->particles.end(); ++it, ++i)
@ -1073,6 +1073,7 @@ class NIFObjectLoader
totalTimeToLive = std::max(0.f, particle.lifespan); totalTimeToLive = std::max(0.f, particle.lifespan);
timeToLive = std::max(0.f, particle.lifespan - particle.lifetime); timeToLive = std::max(0.f, particle.lifespan - particle.lifetime);
} }
partsys->_update(0.f); // now apparently needs another update, otherwise it won't render in the first frame. TODO: patch Ogre to handle this better
} }
static void createNodeControllers(const Nif::NIFFilePtr& nif, const std::string &name, Nif::ControllerPtr ctrl, ObjectScenePtr scene, int animflags) static void createNodeControllers(const Nif::NIFFilePtr& nif, const std::string &name, Nif::ControllerPtr ctrl, ObjectScenePtr scene, int animflags)