update addons (for 5.2)

extensions/blender_org/bool_tool/functions/scene.py

@@ -0,0 +1,68 @@
+import bpy
+from .. import __package__ as base_package
+
+from .object import (
+    hide_objects,
+)
+from .types import (
+    Ray,
+)
+from .view import (
+    region_2d_to_ray_3d,
+)
+
+
+#### ------------------------------ FUNCTIONS ------------------------------ ####
+
+def ensure_collection(context) -> bpy.types.Collection:
+    """Returns the Boolean cutters collection and creates it if it doesn't exist."""
+
+    prefs = context.preferences.addons[base_package].preferences
+    collection_name = prefs.collection_name
+
+    coll = bpy.data.collections.get(collection_name)
+
+    # Create the collection if it doesn't exist.
+    if coll is None:
+        coll = bpy.data.collections.new(collection_name)
+        coll.hide_render = True
+        coll.color_tag = 'COLOR_01'
+        context.scene.collection.children.link(coll)
+
+    return coll
+
+
+def delete_empty_collection(context):
+    """Removes Boolean cutters collection if it has no more objects in it."""
+
+    prefs = context.preferences.addons[base_package].preferences
+
+    if not prefs.use_collection:
+        return
+
+    collection_name = prefs.collection_name
+    collection = bpy.data.collections.get(collection_name)
+
+    if not collection:
+        return
+    if collection.objects:
+        return
+
+    bpy.data.collections.remove(collection)
+
+
+def raycast(context, position, objects):
+    """Cast a ray in the scene to get the surface on any of the given objects."""
+
+    region = context.region
+    rv3d = context.region_data
+    depsgraph = context.view_layer.depsgraph
+
+    origin, direction = region_2d_to_ray_3d(region, rv3d, position)
+
+    # Cast Ray
+    with hide_objects(context, exceptions=objects):
+        hit, location, normal, index, object, matrix = context.scene.ray_cast(depsgraph, origin, direction)
+        ray = Ray(hit, location, normal, index, object, matrix)
+
+    return ray