Particle settings keyframes not showing in Graph Editor channels #62057
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Reference: blender/blender#62057
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System Information
Operating system: Ubuntu 18.04
Graphics card: NVIDIA Quadro 6000
Blender Version
Broken:
2cd478cf19
(current master)Short description of error
The channels list in the Graph Editor is not showing most keyframes. In the screenshot and attached .blend file you can see how Seed shows up, butLifetime* doesn't.
{F6731511, size=full}
Another strange thing is that Seed is showing under 'CubeAction' (also ChildSeed if you have children particles), but then there's a ParticleSettings channel with nothing inside.
Exact steps for others to reproduce the error
bug_no_fcurves_for_particles.blend
Thanks!
Added subscriber: @pablovazquez
Interesting, the
FILTER_PART_OBJD(psys->part)
inanimdata_filter_ds_particles()
seems to be borked. A quick workaround for now (if it's an urgent production issue) is to just short-circuit that check (i.e. replace with 1)Further investigation reveals that the expand setting isn't even supported in the animchannel defines anymore (e.g. see
acf_dspart_setting_ptr()
- theACHANNEL_SETTING_EXPAND
case returns NULL). I suspect what's happening here is that since we weren't originally going to bring back particles (or something like that, but then changed our mind later), these hooks got knocked out. As a result, the channels in question just get hidden behind the collapsed expander, unable to be seen, and unable to be expanded/unhidden.This issue was referenced by
2bad126999
Changed status from 'Open' to: 'Resolved'
That was so fast! I'm currently animating dozens of different objects and particle settings. This saves so much time and pain. Thank you so much!