Fix: camera create by matching camera from datablocks and all children (

#53)

* Fix: camera create by matching camera from datablocks and all children

* refactor with _get_camera_from_datablocks as shared function

openpype/hosts/blender/plugins/create/create_camera.py

@@ -1,11 +1,36 @@
 """Create a camera asset."""
 
-from typing import List
+from itertools import chain
+from typing import List, Union
 import bpy
 
 from openpype.hosts.blender.api import plugin
 from openpype.hosts.blender.api.properties import OpenpypeInstance
-
+from openpype.hosts.blender.api.utils import get_all_outliner_children
+
+def _get_camera_from_datablocks(datablocks: List[bpy.types.ID])->Union[bpy.types.Object, None]:
+ """Get first camera found in given datablocks list.
+
+ Args:
+ datablocks (List[bpy.types.ID]):
+ List of datablocks to get camera from
+
+ Returns:
+ Union[bpy.types.Object, None]: Found camera if any.
+ """
+ outliner_children = set(
+ chain.from_iterable(
+ get_all_outliner_children(d) for d in datablocks
+ )
+ )
+ return next(
+ (
+ c
+ for c in outliner_children | set(datablocks)
+ if isinstance(c, bpy.types.Object) and c.type == "CAMERA"
+ ),
+ None,
+ )
 
 class CreateCamera(plugin.Creator):
  """Single baked camera"""
@@ -25,11 +50,10 @@ def process(
 
  # Rename existing camera or create one
  datablocks = datablocks or []
- for obj in datablocks:
- if obj and obj.type == "CAMERA":
- obj.name = instance_name
- obj.data.name = instance_name
- break
+ camera = _get_camera_from_datablocks(datablocks)
+ if camera:
+ camera.name = instance_name
+ camera.data.name = instance_name
  else:
  camera = bpy.data.cameras.new(instance_name)
  camera_obj = bpy.data.objects.new(instance_name, camera)