Link of linked instances doesn't work #113534
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Reference: blender/blender#113534
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Blender Version
Broken: 3.6.4
Broken: 3.6.2
Worked: 3.6.1
Short description of error
Test.blend has a linked Geometry Nodes setup from City.blend.
City.blend has a linked Collection from Building.blend.
While City.blend imports the building correctly, Test.blend doesn't get the instances.
Exact steps for others to reproduce the error
Pretty sure this used to work, will check on this
Behavior changed in
bf93fb0f46That said, I do see warnings like the following
WARN (bke.liboverride_resync): source/blender/blenkernel/intern/lib_override.cc:3269 lib_override_library_main_resync_on_library_indirect_level: Deleting unused ID override MECube.103 from library level 1, still found as needing resync, and being isolated from its hierarchy root. This can happen when its otherwise unchanged linked reference was moved around in the library file (e.g. if an object was moved into another sub-collection of the same hierarchy).I assume this has to do with the fact that in
City.blend, instances are in a different collection than the "original" inBuilding.blend?(duplicates cant be in the same collection though it seems, so I wouldnt know how to prevent this tbh.)
I am afraid @mont29 has to share his wisdom again
To get the fact out of the way that this is a recent "regression" (it probably is expected behavior even -- without us knowing though how to set something like this up correctly), I will raise the prio for now.
Took me some time to understand what is happening here... and this is indeed a call for issues. If you start breaking up liboverride hierarchies, and then partially link bits of these hierarchies into another file, you simply cannot expect things to work well.
Note that if you link the
Building 5collection fromCity.blend(can also be done implicitly by adding a reference, e.g. a Custom Property, to it in e.g. theCityNodeGroup), then things are working fine.