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See #7888 - Fix snap when object changes during modal operator.

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Handle cases where the snapped target is modified while a modal operator
is active (e.g., adding a door or window that alters the wall geometry).
This commit is contained in:
Bruno Perdigão
2026-04-04 14:29:54 -03:00
parent 30517770e0
commit 97ee4eaef0
1 changed files with 12 additions and 1 deletions
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src/bonsai/bonsai/tool/raycast.py
+12 -1
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@@ -889,8 +889,19 @@ class Raycast(bonsai.core.tool.Raycast):
def create_snap_obj(cls, obj):
if obj.data is None or not isinstance(obj.data, bpy.types.Mesh):
return None
for snap_obj in cls.snap_objs:
for i, snap_obj in enumerate(cls.snap_objs):
if obj.name == snap_obj.obj.name:
# Handle objects modified while a modal operator is active.
# Example: adding a door or window alters the wall geometry.
if len(obj.data.vertices) != len(snap_obj.verts_3d):
cls.snap_objs.pop(i)
snap_obj = SnapObj(obj)
cls.snap_objs.append(snap_obj)
for v1, v2 in zip(obj.data.vertices, snap_obj.verts_3d):
if (obj.matrix_world @ v1.co) != v2:
cls.snap_objs.pop(i)
snap_obj = SnapObj(obj)
cls.snap_objs.append(snap_obj)
return snap_obj
snap_obj = SnapObj(obj)
cls.snap_objs.append(snap_obj)