Multires: Subdivision Set Relative is subdividing the object #110879
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Reference: blender/blender#110879
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System Information
Operating system: Linux-6.4.6-gentoo-x86_64-AMD_Ryzen_Threadripper_1950X_16-Core_Processor-with-glibc2.37 64 Bits, X11 UI
Graphics card: AMD Radeon RX 7900 XT (gfx1100, LLVM 15.0.7, DRM 3.52, 6.4.6-gentoo) AMD 4.6 (Core Profile) Mesa 23.3.0-devel (git-50c29e1ffa)
Blender Version
Broken: version: 4.0.0 Alpha, branch: main, commit date: 2023-08-06 21:11, hash:
93728fee53dc
Worked: --
Short description of error
With
6de6d7267f
the shortcuts to increase or decrease the current multires level in sculpt mode are more accessible and more often used. This highlighted an issue.There is a corner case where the relative level change is subdividing the multires.
If there is no multires detected yet,
object.subdivision_set
will create a multires modifier and the target level. This is useful when using the shortcutsCtrl 1-6
to set an absolute level.But the purpose of the relative option is just to go up & down existing levels.
When set to relative, it is not able to create new levels when a multires modifier is already detected.
This is an especially bad issue in the industry compatible keymap, where the shortcuts are currently being changed to be more accessible on
D
which is then very easy to press by accident and subdivide the mesh (#109750).The ideal behavior would be that the
object.subdivision_set
, if set to relative, cannot be able to subdivide nor create a new multires modifier. It can only change existing levels on the an existing multires/subdiv modifier.Exact steps for others to reproduce the error
Alt 2
Alt 1
andAlt 2
to lower and increase the levelShould I confirm that
Alt + 3
does nothing for me?Agree with the suggestion, although making the change depend on "relative" seems a little hidden. It could be a boolean option to add the modifier which the key-map sets to false as needed.
Can confirm.
This is expected. Alt + 3 is not mapped to create subdivision or change the level (it hides the object collection)
@ideasman42 Sounds great! We could make this two extra bool options for "subdivide" and "ensure modifier"? For the purpose of these sculpt mode shortcuts both these should be set to false.