Multi-object editing is broken with linked objects with modifiers. #76609
Labels
No Label
Interest
Alembic
Interest
Animation & Rigging
Interest
Asset Browser
Interest
Asset Browser Project Overview
Interest
Audio
Interest
Automated Testing
Interest
Blender Asset Bundle
Interest
BlendFile
Interest
Collada
Interest
Compatibility
Interest
Compositing
Interest
Core
Interest
Cycles
Interest
Dependency Graph
Interest
Development Management
Interest
EEVEE
Interest
EEVEE & Viewport
Interest
Freestyle
Interest
Geometry Nodes
Interest
Grease Pencil
Interest
ID Management
Interest
Images & Movies
Interest
Import Export
Interest
Line Art
Interest
Masking
Interest
Metal
Interest
Modeling
Interest
Modifiers
Interest
Motion Tracking
Interest
Nodes & Physics
Interest
OpenGL
Interest
Overlay
Interest
Overrides
Interest
Performance
Interest
Physics
Interest
Pipeline, Assets & IO
Interest
Platforms, Builds & Tests
Interest
Python API
Interest
Render & Cycles
Interest
Render Pipeline
Interest
Sculpt, Paint & Texture
Interest
Text Editor
Interest
Translations
Interest
Triaging
Interest
Undo
Interest
USD
Interest
User Interface
Interest
UV Editing
Interest
VFX & Video
Interest
Video Sequencer
Interest
Virtual Reality
Interest
Vulkan
Interest
Wayland
Interest
Workbench
Interest: X11
Legacy
Blender 2.8 Project
Legacy
Milestone 1: Basic, Local Asset Browser
Legacy
OpenGL Error
Meta
Good First Issue
Meta
Papercut
Meta
Retrospective
Meta
Security
Module
Animation & Rigging
Module
Core
Module
Development Management
Module
EEVEE & Viewport
Module
Grease Pencil
Module
Modeling
Module
Nodes & Physics
Module
Pipeline, Assets & IO
Module
Platforms, Builds & Tests
Module
Python API
Module
Render & Cycles
Module
Sculpt, Paint & Texture
Module
Triaging
Module
User Interface
Module
VFX & Video
Platform
FreeBSD
Platform
Linux
Platform
macOS
Platform
Windows
Priority
High
Priority
Low
Priority
Normal
Priority
Unbreak Now!
Status
Archived
Status
Confirmed
Status
Duplicate
Status
Needs Info from Developers
Status
Needs Information from User
Status
Needs Triage
Status
Resolved
Type
Bug
Type
Design
Type
Known Issue
Type
Patch
Type
Report
Type
To Do
No Milestone
No project
No Assignees
6 Participants
Notifications
Due Date
No due date set.
Dependencies
No dependencies set.
Reference: blender/blender#76609
Loading…
Reference in New Issue
No description provided.
Delete Branch "%!s(<nil>)"
Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?
Blender Version
Broken: 2.80*, 2.81*,2.82, 2.83, 2.90
Worked: None, as there wasn't a multi-object edit mode before 2.8x.
Description of the error
Given two selected objects with linked object data, they can't go together into edit mode if either has a modifier with the option to display in edit mode(turned on) and if "On Cage" option is turned off. I don't know if this is intentional or not, I believe it's a bug because then we're only able to see transformations from edit mode propagating to the other linked objects after going back to object mode. In normal circunstances, the linked objects go together into edit mode, even when only one of them is selected, plus we're also able to see the instances being updated in real time when editing the mesh. This is not what's happening when there's a modifier.
Now it gets more weird. This I'm sure is not intentional. If the modifier's "On Cage" option is checked, we're able to see the updates from changes made in edit mode on all instances in real time, but also the effect of that modifier shows on every linked object, even those without modifiers! Note that in 2.80 and 2.81, this happens even with On Cage turned off. The only exception to this part is the wave modifier even with "On Cage" turned on it won't go into edit mode with other instances.
Exact steps for others to reproduce the error
Open blender
duplicate default cube
select both and ctrl + L then link object data
with both selected go into edit mode
add a solidify modifier, see that all instances except the active object leave edit mode.
move a vertex of the mesh, the instance won't update unless you go back to object mode.
now turn on "On Cage" option of the modifier, you will see that in edit mode all instances show transformations in real time,
but now they look as if they had the active objects modifier.
Added subscriber: @Gilberto.R
Added subscriber: @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
Can confirm (could have sworn we have a report for this already but cannot find it)
Added subscriber: @Jeroen-Bakker
@lichtwerk this might be related to #72733 (Issue with shared meshes overwriting modifiers).
Part of this issue works as intended. issue is that only one shared data can be part of edit mode due to the modifiers (
DRW_object_is_in_edit_mode
), it is just a limitation. When modifiers come into play it only supports single object editing due to this limitation. This works as intended.The actual issue is the on cage option. That should not draw the other instance the same. Might be a missing tweak that it is using the edit mesh for rendering in stead for the normal mesh.
Also note that this issue has nothing to do multi edit mode but with the feature that when editing linked data objects all objects that share the same data would also be rendered in edit mode. This is part of blender for ages but is limited to when one of the object is modified.
This comment was removed by @Gilberto.R
Classifying as a bug then...
Added subscriber: @John514
This issue was referenced by
0f89bcdbeb
Changed status from 'Confirmed' to: 'Resolved'