improve chat performance

Author: DeinFreund

Zero-K.info/Controllers/LobbyController.cs

@@ -205,7 +205,7 @@ await Global.Server.GhostSay(new Say()
                 }
                 ret = ret
                     .Where(x => x.Target == model.Channel && x.SayPlace == SayPlace.Channel)
-                    .OrderByDescending(x => x.Time).Take(200);
+                    .OrderByDescending(x => x.LobbyChatHistoryID).Take(200);
             }
             else if (!string.IsNullOrEmpty(model.User))
             {
@@ -226,7 +226,7 @@ await Global.Server.GhostSay(new Say()
                 //Users can abuse rename to gain access to other users PMs, it's a feature
                 ret = ret
                     .Where(x => (x.User == model.User && x.Target == Global.Account.Name || x.User == Global.Account.Name && x.Target == model.User) && x.SayPlace == SayPlace.User)
-                    .OrderByDescending(x => x.Time);
+                    .OrderByDescending(x => x.LobbyChatHistoryID);
             }
             else
             {

Zero-K.info/Views/Lobby/LobbyChat.cshtml

@@ -41,7 +41,7 @@
         if (document.getElementById('chatbox').value == '') {
             $('form#form').trigger('submit');
         }
+        setTimeout(updateChat, 5000);
     }
-    setInterval(updateChat, 5000);
     updateChat();
 </script>