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Fix: Object selection delay with many objects

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With object collection properties open there was a huge delay when
switching active objects in a large scene, (~10k objects, ~5m vertices).
This is due to a non-optimal function to query all the collections the object is in.

To solve this the code can be simplified by using `bpy.types.Object.users_collection`
This returns all the collections the object is in removing the need to compute this in python.
This commit is contained in:
RUben 2022-01-21 13:13:04 -05:00 committed by Aaron Carlisle
parent c20f209b1c
commit 5b90c046d5
1 changed files with 9 additions and 15 deletions
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24
release/scripts/startup/bl_ui/properties_object.py
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@ -184,24 +184,18 @@ class OBJECT_PT_collections(ObjectButtonsPanel, Panel):
row.operator("object.collection_add", text="Add to Collection")
row.operator("object.collection_add", text="", icon='ADD')
obj_name = obj.name
for collection in bpy.data.collections:
# XXX this is slow and stupid!, we need 2 checks, one that's fast
# and another that we can be sure its not a name collision
# from linked library data
collection_objects = collection.objects
if obj_name in collection.objects and obj in collection_objects[:]:
col = layout.column(align=True)
for collection in obj.users_collection:
col = layout.column(align=True)
col.context_pointer_set("collection", collection)
col.context_pointer_set("collection", collection)
row = col.box().row()
row.prop(collection, "name", text="")
row.operator("object.collection_remove", text="", icon='X', emboss=False)
row.menu("COLLECTION_MT_context_menu", icon='DOWNARROW_HLT', text="")
row = col.box().row()
row.prop(collection, "name", text="")
row.operator("object.collection_remove", text="", icon='X', emboss=False)
row.menu("COLLECTION_MT_context_menu", icon='DOWNARROW_HLT', text="")
row = col.box().row()
row.prop(collection, "instance_offset", text="")
row = col.box().row()
row.prop(collection, "instance_offset", text="")
class OBJECT_PT_display(ObjectButtonsPanel, Panel):