Geometry for arbitrary objects is now synced for mirrored objects

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

@@ -16,6 +16,8 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.
 
+import json
+import re
 from collections.abc import Sequence
 from time import time
 from typing import (
@@ -28,6 +30,7 @@ from typing import (
     get_args,
 )
 
+
 import bmesh
 import bpy
 import ifcopenshell
@@ -2713,6 +2716,29 @@ class OverrideModeSetObject(bpy.types.Operator, tool.Ifc.Operator):
                 tool.Root.reload_item_decorator()
             tool.Geometry.reload_representation(props.representation_obj)
 
+        # apply changes to mirrored object, if it exists
+        if props.representation_obj and (representation_elem := tool.Ifc.get_entity(props.representation_obj)):
+            type_elem = ifcopenshell.util.element.get_type(representation_elem)
+            if type_elem and (mirrored_pset := ifcopenshell.util.element.get_pset(type_elem, "BBIM_InvertedSwingType", "Data")):
+                mirrored_data = json.loads(mirrored_pset)
+                if "inverted_swing_type" in mirrored_data and (inverted_type := tool.Ifc.get_entity_by_id(int(mirrored_data["inverted_swing_type"]))):
+                    # object has mirror, update it as well
+                    for map_index, repr_map in enumerate(type_elem.RepresentationMaps):
+                        new_items = []
+                        for item in repr_map.MappedRepresentation.Items:
+                            new_mirrored_repr = ifcopenshell.util.element.copy_deep(tool.Ifc.get(), item)
+                            builder = ifcopenshell.util.shape_builder.ShapeBuilder(tool.Ifc.get())
+                            builder.mirror(new_mirrored_repr, (1, 0), create_copy=False)
+                            new_items.append(new_mirrored_repr)
+                        
+                        old_items = inverted_type.RepresentationMaps[map_index].MappedRepresentation.Items
+                        inverted_type.RepresentationMaps[map_index].MappedRepresentation.Items = new_items
+                        for old_item in old_items:
+                            ifcopenshell.util.element.remove_deep2(tool.Ifc.get(), old_item)
+                    
+                    tool.Geometry.reload_representation(tool.Ifc.get_object(inverted_type))
+
+
     def enable_edit_mode(self, context):
         if tool.Blender.toggle_edit_mode(context) == {"CANCELLED"}:
             return {"CANCELLED"}