fix: selection update error

multi_user/operators.py

@@ -131,6 +131,7 @@ class SessionStartOperator(bpy.types.Operator):
 
         delayables.append(delayable.ClientUpdate(
             client_uuid=settings.user_uuid))
+        delayables.append(delayable.DrawClient())
 
         delayables.append(delayable.DynamicRightSelectTimer())
 
@@ -304,19 +305,6 @@ class SessionCommit(bpy.types.Operator):
         return {"FINISHED"}
 
 
-@persistent
-def redresh_handler(dummy):
-    """force to refresh client renderer
-    """
-    global client
-
-    if client:
-        user = client.get(uuid=bpy.context.window_manager.session.user_uuid)
-
-        if hasattr(user, "pointer"):
-            user.pointer.is_dirty = True
-
-
 classes = (
     SessionStartOperator,
     SessionStopOperator,
@@ -333,9 +321,6 @@ def register():
     for cls in classes:
         register_class(cls)
 
-    bpy.app.handlers.depsgraph_update_post.append(redresh_handler)
-
-
 def unregister():
     global client
 
@@ -347,8 +332,5 @@ def unregister():
     for cls in reversed(classes):
         unregister_class(cls)
 
-    bpy.app.handlers.depsgraph_update_post.remove(redresh_handler)
-
-
 if __name__ == "__main__":
     register()

multi_user/presence.py

@@ -100,14 +100,15 @@ class User():
         self.color = color
         self.location = [[0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0], [0, 0, 0]]
         self.selected_objects = []
+        self.last_select_objects = []
 
     def update_location(self):
         current_coords = get_client_cam_points()
         area, region, rv3d = view3d_find()
 
-        current_coords = get_client_cam_points()
-        if current_coords:
-            self.location = list(current_coords)
+        current_coords = list(get_client_cam_points())
+        if current_coords and self.location != current_coords:
+            self.location = current_coords
 
     def update_selected_objects(self, context):
         self.selected_objects = utils.get_selected_objects(context.scene)
@@ -166,10 +167,12 @@ class DrawFactory(object):
         self.d3d_items.clear()
         self.d2d_items.clear()
 
-    def flush_selection(self):
+    def flush_selection(self, user):
         key_to_remove = []
+        select_key = "{}_select".format(user) if user else "select"
         for k in self.d3d_items.keys():
-            if "select" in k:
+
+            if select_key in k:
                 key_to_remove.append(k)
 
         for k in key_to_remove:
@@ -189,8 +192,9 @@ class DrawFactory(object):
     def draw_client_selection(self, client_uuid, client_color, client_selection):
         local_user = bpy.context.window_manager.session.user_uuid
 
-        if client_selection and local_user != client_uuid:
-            self.flush_selection()
+        if local_user != client_uuid:
+            self.flush_selection(client_uuid)
+
             for select_ob in client_selection:
                 drawable_key = "{}_select_{}".format(client_uuid, select_ob)
                 indices = (