fix pointers

fix pointers in operators to point to class bl_idname property

functions/custom_tools/armature_merging.py

@@ -7,6 +7,7 @@ from ...core.translations import t
 from ...core.common import (
     get_all_meshes,
     fix_zero_length_bones,
+    remove_unused_vertex_groups,
     clear_unused_data_blocks,
     join_mesh_objects,
     remove_unused_shapekeys,
@@ -174,7 +175,7 @@ def merge_armatures(
     merge_armature_data: bpy.types.Armature = merge_armature.data
     for bone in merge_armature_data.bones:
         original_parents[bone.name] = bone.parent.name if bone.parent else None
-        
+
     # Switch to edit mode on merge armature and rename bones
     bpy.context.view_layer.objects.active = merge_armature
     bpy.ops.object.mode_set(mode='EDIT')
@@ -377,20 +378,6 @@ def mix_vertex_groups(mesh: Object, vg_from_name: str, vg_to_name: str) -> None:
     vg_to.add(range(num_vertices), weights_combined.tolist(), 'REPLACE')
     mesh.vertex_groups.remove(vg_from)
 
-def remove_unused_vertex_groups(mesh: Object) -> None:
-    """Remove vertex groups with no weights"""
-    for vg in mesh.vertex_groups:
-        has_weights: bool = False
-        for vert in mesh.data.vertices:
-            for group in vert.groups:
-                if group.group == vg.index and group.weight > 0.001:
-                    has_weights = True
-                    break
-            if has_weights:
-                break
-        if not has_weights:
-            mesh.vertex_groups.remove(vg)
-
 def apply_armature_to_mesh(armature: Object, mesh: Object) -> None:
     """Apply armature deformation to mesh"""
     armature_mod: ArmatureModifier = mesh.modifiers.new('PoseToRest', 'ARMATURE')

functions/tools/bone_tools.py

@@ -7,7 +7,8 @@ from ...core.common import (
     get_active_armature, 
     get_all_meshes,
     ProgressTracker,
-    restore_bone_transforms
+    restore_bone_transforms,
+    remove_unused_vertex_groups,
 )
 from ...core.armature_validation import validate_armature, validate_bone_hierarchy
 
@@ -262,6 +263,22 @@ class AvatarToolKit_OT_RemoveZeroWeightBones(Operator):
         self.report({'INFO'}, t("Tools.clean_weights_success", count=removed_count))
         return {'FINISHED'}
 
+class AvatarToolKit_OT_RemoveZeroWeightVertexGroups(Operator):
+    """Operator to remove vertex groups with no weights"""
+    bl_idname = "avatar_toolkit.clean_vertex_groups"
+    bl_label = t("Tools.clean_vertex_groups")
+    bl_description = t("Tools.clean_vertex_groups_desc")
+    bl_options = {'REGISTER', 'UNDO'}
+
+    def execute(self, context: Context) -> set[str]:
+        meshes: list[bpy.types.Object] = get_all_meshes(context)
+        
+        for mesh_obj in meshes:
+            remove_unused_vertex_groups(mesh_obj)
+
+        return {'FINISHED'}
+
+
 class AvatarToolKit_OT_RemoveSelectedBones(Operator):
     """Operator to remove selected bones from the zero weight bones list"""
     bl_idname = "avatar_toolkit.remove_selected_bones"

functions/tools/uv_tools.py

@@ -31,6 +31,8 @@ class AvatarToolkit_OT_AlignUVEdgesToTarget(Operator):
                 return False
         if not context.space_data:
             return False
+        if not hasattr(context.space_data, "show_uvedit"):
+            return False
         if not context.space_data.show_uvedit:
             return False
         if context.scene.tool_settings.use_uv_select_sync:

functions/visemes.py

@@ -124,7 +124,7 @@ class VisemePreview:
         cls._preview_shapes = None
         cls._mesh_name = ""
 
-class ATOOLKIT_OT_preview_visemes(Operator):
+class AvatarToolkit_OT_PreviewVisemes(Operator):
     """Operator for previewing viseme shapes in real-time"""
     bl_idname: str = "avatar_toolkit.preview_visemes"
     bl_label: str = t("Visemes.preview_label")
@@ -181,7 +181,7 @@ def validate_deformation(mesh, mix_data):
     mesh_size = max(mesh.dimensions)
     return max_deform < (mesh_size * 0.4)
 
-class ATOOLKIT_OT_create_visemes(Operator):
+class AvatarToolkit_OT_CreateVisemes(Operator):
     """Operator for generating VRChat-compatible viseme shape keys"""
     bl_idname: str = "avatar_toolkit.create_visemes"
     bl_label: str = t("Visemes.create_label")