/// -----------------------------------------------------------------
        /// <summary>
        /// </summary>
        // -----------------------------------------------------------------
        public ResponseBase SetAvatarAppearanceHandler(RequestBase irequest)
        {
            if (irequest.GetType() != typeof(SetAvatarAppearanceRequest))
                return OperationFailed("wrong type");

            SetAvatarAppearanceRequest request = (SetAvatarAppearanceRequest)irequest;

            // Get the scenepresence for the avatar we are going to update
            UUID id = request.AvatarID == UUID.Zero ? request._UserAccount.PrincipalID : request.AvatarID;
            ScenePresence sp = m_scene.GetScenePresence(id);
            if (sp == null || sp.IsChildAgent)
                return OperationFailed(String.Format("cannot find user {0}",request._UserAccount.PrincipalID));

            // Clean out the current outfit folder, this is to keep v3 viewers from 
            // reloading the old appearance
            CleanCurrentOutfitFolder(sp);

            // Delete existing npc attachments
            m_scene.AttachmentsModule.DeleteAttachmentsFromScene(sp, false);

            // ---------- Update the appearance and save it ----------
            int serial = sp.Appearance.Serial;
            OSDMap osd = (OSDMap)OSDParser.DeserializeJson(request.SerializedAppearance);
            sp.Appearance = new AvatarAppearance(osd);
            sp.Appearance.Serial = serial + 1;
            
            m_scene.AvatarService.SetAppearance(sp.UUID,sp.Appearance);
            m_scene.EventManager.TriggerAvatarAppearanceChanged(sp);
            
            // ---------- Send out the new appearance to everyone ----------

            // Rez needed attachments
            m_scene.AttachmentsModule.RezAttachments(sp);

            // this didn't work, still looking for a way to get the viewer to change its appearance
            //sp.ControllingClient.SendWearables(sp.Appearance.Wearables, sp.Appearance.Serial++);

            // this didn't work either, 
            //AddWearablesToCurrentOutfitFolder(sp);

            sp.SendAvatarDataToAllClients();
            sp.SendAppearanceToAllOtherClients();
            sp.SendAppearanceToClient(sp); // the viewers seem to ignore this packet when it describes their own avatar
            
            return new ResponseBase(ResponseCode.Success,"");
        }