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Partly fix (unreported) particles not updating correctly when changing settings. 

Point-cached particles (those using simulations) would not update at all outside of
first frame, due to PSYS_RECALC_RESET flag being ingnored in `system_step()`...

For some mysterious reasons, udate is still non-fully functional outside of startframe
(e.g. changing face distribution between random and jittered), but at least when choosing
'Vertices' you get particles from verts and not faces!
This commit is contained in:
Bastien Montagne 2016-03-30 17:10:54 +02:00 committed by Sergey Sharybin
parent 4fc9178af9
commit 96b9f45d7a
1 changed files with 2 additions and 2 deletions
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4
source/blender/blenkernel/intern/particle_system.c
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@ -3878,8 +3878,8 @@ static void system_step(ParticleSimulationData *sim, float cfra)
BKE_ptcache_id_time(pid, sim->scene, 0.0f, &startframe, &endframe, NULL);
/* clear everythin on start frame */
if (cfra == startframe) {
/* clear everything on start frame, or when psys needs full reset! */
if ((cfra == startframe) || (psys->recalc & PSYS_RECALC_RESET)) {
BKE_ptcache_id_reset(sim->scene, pid, PTCACHE_RESET_OUTDATED);
BKE_ptcache_validate(cache, startframe);
cache->flag &= ~PTCACHE_REDO_NEEDED;