df1ff76ee2
This is actually a nice issue due to too much optimization... * Making an ID local just reuse the linked one whenever possible, instead of actually making a copy of it. * Therefore, the collection containing that ID is seen as unchanged, since the pointer itself remained the same. * But on undo step, there is no way to reuse that local object, which then gets deleted, and linked one gets re-created - at a different address. * Collection, however, since unchanged, is not updated at all and thus keeps reference to the to-be-deleted local object, instead of the linked one. * Issue gets even worse with viewlayers, this leads to the crash. To address this, this patch adds a 'virtual' update flags that does nothing in update case, but will ensure that the affected IDs using the one made local are properly detected as changed across the relevant undo step. Note that the recalc flags were chosen mostly for a logical reason, and also because they are already properly dealt with and cleared by undo code, so this looks like the optimal solution. Reviewed By: brecht Maniphest Tasks: T77774 Differential Revision: https://developer.blender.org/D8006
Sphinx Warnings
: WARNING: Could not obtain image size. :scale: option is ignored.
Note the preview is not accurate and warnings may not indicate real issues.
Blender
Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing.
Project Pages
Development
License
Blender as a whole is licensed under the GNU Public License, Version 3. Individual files may have a different, but compatible license.
See blender.org/about/license for details.