Much less cluttered version of the script

Assets/avatar-example/mesh/blend~/fbx_export.py

@@ -39,7 +39,7 @@ def fbx_export(context: Context) -> None:
 
     rootpath = os.path.normpath(bpy.path.abspath(context.scene.fbx_export.export_dir))
 
-    for group in [g for g in bpy.data.groups if g.fbx_export.exportable]:
+    for group in [g for g in bpy.data.groups if g.fbx_exportable]:
         filepath = os.path.join(rootpath, name_as_path(group.name))
         basepath = os.path.dirname(filepath)
 
@@ -49,7 +49,7 @@ def fbx_export(context: Context) -> None:
         override = context.copy()
         override.update(
             {
-                "selected_objects": [o for o in group.objects if o.fbx_exportable]
+                "selected_objects": group.objects
             }
         )
 
@@ -61,7 +61,7 @@ def fbx_export(context: Context) -> None:
             axis_forward='-Z',
             axis_up='Y',
             object_types=context.scene.fbx_export.object_types,
-            use_mesh_modifiers=context.scene.fbx_export.use_mesh_modifiers,
+            use_mesh_modifiers=True,
             mesh_smooth_type='OFF',
             use_mesh_edges=False,
             use_tspace=False,
@@ -77,26 +77,29 @@ def fbx_export(context: Context) -> None:
             filepath=filepath,
         )
 
-    print("[%s] Batch FBX export end." % datetime.now())
+    print("\n[%s] Batch FBX export end." % datetime.now())
 
 
-def on_save(*args, **kwargs) -> None:
-    """
-    Runs when Blender file is being saved
-    """
-    if not bpy.context.scene.fbx_export.on_save:
-        return
-
-    try:
-        fbx_export(bpy.context)
-    except Exception as e:
-        message_box(str(e), "Export error", 'ERROR')
+class FBXExportProps(PropertyGroup):
+    export_dir = StringProperty(
+        name="FBX Export Dir",
+        description="FBX Export Directory",
+        subtype="DIR_PATH",
+        default="//../fbx/",
+    )
+    on_save = BoolProperty(
+        name="Export on save",
+        description="Export FBX on Blender file save",
+        default=False
+    )
+    object_types = ExportFBX.object_types
+    group_index = IntProperty(default=0)
 
 
-class FBX_OT_ForceExport(Operator):
-    bl_idname = "fbx.force_export"
-    bl_label = "Force Export"
-    bl_description = "Force export FBX"
+class FBX_OT_ManualExport(Operator):
+    bl_idname = "fbx.manual_export"
+    bl_label = "Manual Export"
+    bl_description = "Export FBX manualy"
 
     def execute(self, context):
         try:
@@ -107,57 +110,11 @@ class FBX_OT_ForceExport(Operator):
         return {'FINISHED'}
 
 
-class AutoexportProps(PropertyGroup):
-    object_types = ExportFBX.object_types
-    use_mesh_modifiers = ExportFBX.use_mesh_modifiers
-    export_dir = StringProperty(
-        name="FBX Export Dir",
-        description="FBX Export Directory",
-        subtype="DIR_PATH",
-        default="//../fbx/",
-    )
-    on_save = BoolProperty(
-        name="Export on save",
-        description="Export FBX on Blender file save",
-        default=True
-    )
-    group_index = IntProperty(default=0)
-
-
-class GroupExportProps(PropertyGroup):
-    exportable = BoolProperty(
-        name="Export Group",
-        description="Mark group as FBX exportable",
-        default=False
-    )
-    obj_index = IntProperty(default=0)
-    show_obj_list = BoolProperty(default=False)
-
-
-class FBX_UL_ExportObjects(UIList):
-    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
-        col = layout.column()
-        row = col.row(align=True)
-        row.prop(item, "fbx_exportable", icon='CHECKBOX_HLT' if item.fbx_exportable else 'CHECKBOX_DEHLT', text="", emboss=False)
-        row.prop(item, "name", text="", emboss=False, icon='OBJECT_DATA' if item.dupli_type == "NONE" else 'OUTLINER_OB_GROUP_INSTANCE')
-
-
 class FBX_UL_ExportItems(UIList):
     def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
-        col = layout.box().column()
-        row = col.split()
-
-        sub = row.row(align=True)
-        # sub.alignment = 'LEFT'
-        sub.prop(item.fbx_export, "exportable", icon='CHECKBOX_HLT' if item.fbx_export.exportable else 'CHECKBOX_DEHLT', text="", emboss=False)
-        sub.prop(item, "name", text="", emboss=False, icon='GROUP')
-        sub = row.row()
-        sub.alignment = 'RIGHT'
-        sub.label(text=str(len(item.objects)), icon='OBJECT_DATA')
-        sub.prop(item.fbx_export, "show_obj_list", icon='TRIA_DOWN' if item.fbx_export.show_obj_list else 'TRIA_LEFT', text="", emboss=False)
-
-        if item.fbx_export.show_obj_list:
-            col.template_list("FBX_UL_ExportObjects", str(index), item, "objects", item.fbx_export, "obj_index", rows=2)
+        row = layout.row(align=True)
+        row.prop(item, "fbx_exportable", icon='CHECKBOX_HLT' if item.fbx_exportable else 'CHECKBOX_DEHLT', text="", emboss=False)
+        row.prop(item, "name", text="", emboss=False, icon='GROUP')
 
 
 class SCENE_PT_fbx_autoexport(Panel):
@@ -173,29 +130,66 @@ class SCENE_PT_fbx_autoexport(Panel):
         scene = context.scene
 
         col = layout.column()
-        col.prop(scene.fbx_export, "use_mesh_modifiers")
-        sub = col.row()
-        sub.prop(scene.fbx_export, "object_types")
-        col.template_list("FBX_UL_ExportItems", "", bpy.data, "groups", scene.fbx_export, "group_index", rows=3)
+
+        sub = col.column(align=True)
+        sub.prop(scene.fbx_export, "on_save", icon='LOAD_FACTORY')
+        sub.operator(FBX_OT_ManualExport.bl_idname, icon="PASTEDOWN")
     
         col.separator()
+
+        
+        split = col.split()
+        sub = split.column()
+        sub.label("Filter groups:")
+        sub.template_list("FBX_UL_ExportItems", "", bpy.data, "groups", scene.fbx_export, "group_index", rows=5)
+        sub = split.column()
+        sub.label("Filter object types:")
+        sub.prop(scene.fbx_export, "object_types")
+
+        col.separator()
+
         col.prop(scene.fbx_export, "export_dir")
-        row = col.row(align=True)
-        row.prop(scene.fbx_export, "on_save", icon='LOAD_FACTORY')
-        row.operator(FBX_OT_ForceExport.bl_idname, icon="PASTEDOWN")
 
 
-bpy.types.Object.fbx_exportable = BoolProperty(
-    name="Export Object",
-    description="Mark object as FBX exportable",
-    default=True
+def on_save(*args, **kwargs) -> None:
+    """
+    Runs when Blender file is being saved
+    """
+    if not bpy.context.scene.fbx_export.on_save:
+        return
+
+    try:
+        fbx_export(bpy.context)
+    except Exception as e:
+        message_box(str(e), "Export error", 'ERROR')
+
+
+classes = [
+    FBXExportProps,
+    FBX_OT_ManualExport,
+    FBX_UL_ExportItems,
+    SCENE_PT_fbx_autoexport,
+]
+
+
+def register() -> None:
+    for cls in classes:
+        bpy.utils.register_class(cls)
+    bpy.types.Scene.fbx_export = PointerProperty(type=FBXExportProps)
+    bpy.types.Group.fbx_exportable = BoolProperty(
+        name="Export Group",
+        description="Mark group as FBX exportable",
+        default=False
     )
-bpy.utils.register_class(FBX_OT_ForceExport)
-bpy.utils.register_class(FBX_UL_ExportObjects)
-bpy.utils.register_class(FBX_UL_ExportItems)
-bpy.utils.register_class(AutoexportProps)
-bpy.utils.register_class(GroupExportProps)
-bpy.types.Scene.fbx_export = PointerProperty(type=AutoexportProps)
-bpy.types.Group.fbx_export = PointerProperty(type=GroupExportProps)
-bpy.utils.register_class(SCENE_PT_fbx_autoexport)
     bpy.app.handlers.save_pre.append(on_save)
+
+
+def unregister() -> None:
+    bpy.app.handlers.save_pre.remove(on_save)
+    del bpy.types.Group.fbx_exportable
+    del bpy.types.Scene.fbx_export
+    for cls in reversed(classes):
+        bpy.utils.unregister_class(cls)
+
+
+register()