feat: add clean_utils operator

interface/ops.py

@@ -92,6 +92,7 @@
     ("nd.seams", 'UV_DATA', None, None, False),
     ("nd.triangulate", 'MOD_TRIANGULATE', None, None, False),
     ("nd.apply_modifiers", 'ORPHAN_DATA', None, None, False),
+    ("nd.clean_utils", 'MOD_FLUIDSIM', None, None, False),
     None, # Separator
     ("nd.flare", 'LIGHT_AREA', "Flare (Lighting)", None, False),
 ]

lib/collections.py

@@ -54,6 +54,16 @@ def get_utils_layer():
     return None
 
 
+def get_all_util_objects():
+    data = get_utils_layer()
+
+    if data is None:
+        return []
+
+    layer, collection = data
+    return collection.all_objects
+
+
 def hide_utils_collection(hide):
     data = get_utils_layer()
     if data is not None:

utils/__init__.py

@@ -28,6 +28,7 @@
 from . import flare
 from . import snap_align
 from . import triangulate
+from . import clean_utils
 
 
 registerables = (
@@ -40,6 +41,7 @@
     flare,
     snap_align,
     triangulate,
+    clean_utils,
 )
 
 

utils/clean_utils.py

@@ -0,0 +1,73 @@
+# ███╗   ██╗██████╗ 
+# ████╗  ██║██╔══██╗
+# ██╔██╗ ██║██║  ██║
+# ██║╚██╗██║██║  ██║
+# ██║ ╚████║██████╔╝
+# ╚═╝  ╚═══╝╚═════╝ 
+# 
+# “Commons Clause” License Condition v1.0
+# 
+# See LICENSE for license details. If you did not receive a copy of the license,
+# it may be obtained at https://github.com/hugemenace/nd/blob/main/LICENSE.
+# 
+# Software: ND Blender Addon
+# License: MIT
+# Licensor: T.S. & I.J. (HugeMenace)
+# 
+# ---
+# Contributors: Tristo (HM)
+# ---
+
+import bpy
+from .. lib.collections import get_all_util_objects
+
+
+class ND_OT_clean_utils(bpy.types.Operator):
+    bl_idname = "nd.clean_utils"
+    bl_label = "Clean Utils"
+    bl_description = "Removes unused boolean modifiers and utility objects"
+
+
+    @classmethod
+    def poll(cls, context):
+        return context.mode == 'OBJECT'
+
+
+    def invoke(self, context, event):
+        while self.remove_utils() > 0:
+            continue
+
+        return {'FINISHED'}
+
+
+    def remove_utils(self):
+        removed_object_count = 0
+
+        active_util_object_names = set()
+        all_scene_objects = [obj for obj in bpy.data.objects if obj.type == 'MESH']
+        all_util_objects = get_all_util_objects()
+
+        for obj in all_scene_objects:
+            mods = list(obj.modifiers)
+            for mod in mods:
+                if mod.type != 'BOOLEAN':
+                    continue
+                if mod.object:
+                    active_util_object_names.add(mod.object.name)
+                    continue
+                obj.modifiers.remove(mod)
+
+        for obj in all_util_objects:
+            if obj.name not in active_util_object_names:
+                bpy.data.objects.remove(obj, do_unlink=True)
+                removed_object_count += 1
+
+        return removed_object_count
+
+
+def register():
+    bpy.utils.register_class(ND_OT_clean_utils)
+
+
+def unregister():
+    bpy.utils.unregister_class(ND_OT_clean_utils)