Lock scale for aggregate parts too if aggregate has openings

src/bonsai/bonsai/bim/import_ifc.py

@@ -254,6 +254,8 @@ class IfcImporter:
         self.profile_code("Place objects in collections")
         self.setup_arrays()
         self.profile_code("Setup arrays")
+        self.lock_scales()
+        self.profile_code("Lock objects scales")
         self.add_project_to_scene()
         self.profile_code("Add project to scene")
         if self.ifc_import_settings.should_clean_mesh and len(self.file.by_type("IfcElement")) < 1000:
@@ -811,8 +813,6 @@ class IfcImporter:
 
         obj = bpy.data.objects.new(tool.Loader.get_name(element), mesh)
         self.link_element(element, obj)
-        if getattr(element, "HasOpenings", None):
-            tool.Geometry.lock_scale(obj)
 
         if shape:
             # We use numpy here because Blender mathutils.Matrix is not accurate enough
@@ -1157,6 +1157,20 @@ class IfcImporter:
                         tool.Blender.Modifier.Array.set_children_lock_state(element, i, True)
                         tool.Blender.Modifier.Array.constrain_children_to_parent(element)
 
+    def lock_scales(self) -> None:
+        elements = set(self.file.by_type("IfcProduct"))
+        while elements:
+            element = elements.pop()
+            if not getattr(element, "HasOpenings", False):
+                continue
+            voided_elements = tool.Aggregate.get_parts_recursively(element)
+            voided_elements.add(element)
+            elements.difference_update(voided_elements)
+            for element in voided_elements:
+                if not (obj := tool.Ifc.get_object(element)):
+                    continue
+                tool.Geometry.lock_scale(obj)
+
 
 class IfcImportSettings:
     def __init__(self):

src/bonsai/bonsai/bim/module/void/operator.py

@@ -197,9 +197,7 @@ class RemoveOpening(bpy.types.Operator, tool.Ifc.Operator):
                     is_global=True,
                     should_sync_changes_first=False,
                 )
-            if building_obj and not getattr(element, "HasOpenings", None):
-                tool.Geometry.unlock_scale(building_obj)
-
+        tool.Geometry.unlock_scale_object_with_openings(obj)
         tool.Geometry.clear_cache(element)
         return {"FINISHED"}
 

src/bonsai/bonsai/tool/aggregate.py

@@ -73,3 +73,13 @@ class Aggregate(bonsai.core.tool.Aggregate):
         for rel in related_element.Decomposes:
             if rel.is_a("IfcRelAggregates"):
                 return rel.RelatingObject
+
+    @classmethod
+    def get_parts_recursively(cls, element: ifcopenshell.entity_instance) -> set[ifcopenshell.entity_instance]:
+        parts = set()
+        queue = {element}
+        while queue:
+            element = queue.pop()
+            queue.update(new_parts := set(ifcopenshell.util.element.get_parts(element)))
+            parts.update(new_parts)
+        return parts

src/bonsai/bonsai/tool/geometry.py

@@ -148,6 +148,19 @@ class Geometry(bonsai.core.tool.Geometry):
     def unlock_scale(cls, obj: bpy.types.Object) -> None:
         obj.lock_scale = (False, False, False)
 
+    @classmethod
+    def unlock_scale_object_with_openings(cls, obj: bpy.types.Object) -> None:
+        element = tool.Ifc.get_entity(obj)
+        queue = {element}
+        while queue:
+            element = queue.pop()
+            if getattr(element, "HasOpenings", None):
+                # Part still has openings, keep it locked.
+                continue
+            obj = tool.Ifc.get_object(element)
+            cls.unlock_scale(obj)
+            queue.update(new_parts := set(ifcopenshell.util.element.get_parts(element)))
+
     @classmethod
     def delete_ifc_item(cls, obj: bpy.types.Object) -> None:
         props = bpy.context.scene.BIMGeometryProperties