Ready Indicator in the lobby (#1771)

* Ready Indicator in the lobby

* Use SessionID instead of Name

* Don't show ready state when game is already running

* Make Ready List not selectable

* -Remove disconnected sessions from Ready
-Fix showing ReadyStatus when staying in lobby

Content.Client/GameTicking/ClientGameTicker.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using Content.Client.Interfaces;
 using Content.Client.State;
 using Content.Client.UserInterface;
@@ -8,6 +9,7 @@ using Robust.Client.Interfaces.Graphics;
 using Robust.Client.Interfaces.State;
 using Robust.Shared.Interfaces.Network;
 using Robust.Shared.IoC;
+using Robust.Shared.Network;
 using Robust.Shared.Utility;
 using Robust.Shared.ViewVariables;
 
@@ -27,9 +29,11 @@ namespace Content.Client.GameTicking
         [ViewVariables] public string ServerInfoBlob { get; private set; }
         [ViewVariables] public DateTime StartTime { get; private set; }
         [ViewVariables] public bool Paused { get; private set; }
+        [ViewVariables] public Dictionary<NetSessionId, bool> Ready { get; private set; }
 
         public event Action InfoBlobUpdated;
         public event Action LobbyStatusUpdated;
+        public event Action LobbyReadyUpdated;
 
         public void Initialize()
         {
@@ -40,12 +44,14 @@ namespace Content.Client.GameTicking
             _netManager.RegisterNetMessage<MsgTickerLobbyStatus>(nameof(MsgTickerLobbyStatus), LobbyStatus);
             _netManager.RegisterNetMessage<MsgTickerLobbyInfo>(nameof(MsgTickerLobbyInfo), LobbyInfo);
             _netManager.RegisterNetMessage<MsgTickerLobbyCountdown>(nameof(MsgTickerLobbyCountdown), LobbyCountdown);
+            _netManager.RegisterNetMessage<MsgTickerLobbyReady>(nameof(MsgTickerLobbyReady), LobbyReady);
             _netManager.RegisterNetMessage<MsgRoundEndMessage>(nameof(MsgRoundEndMessage), RoundEnd);
             _netManager.RegisterNetMessage<MsgRequestWindowAttention>(nameof(MsgRequestWindowAttention), msg =>
             {
                 IoCManager.Resolve<IClyde>().RequestWindowAttention();
             });
 
+            Ready = new Dictionary<NetSessionId, bool>();
             _initialized = true;
         }
 
@@ -62,6 +68,8 @@ namespace Content.Client.GameTicking
             IsGameStarted = message.IsRoundStarted;
             AreWeReady = message.YouAreReady;
             Paused = message.Paused;
+            if (IsGameStarted)
+                Ready.Clear();
 
             LobbyStatusUpdated?.Invoke();
         }
@@ -84,9 +92,18 @@ namespace Content.Client.GameTicking
             Paused = message.Paused;
         }
 
+        private void LobbyReady(MsgTickerLobbyReady message)
+        {
+            // Merge the Dictionaries
+            foreach (var p in message.PlayerReady)
+            {
+                Ready[p.Key] = p.Value;
+            }
+            LobbyReadyUpdated?.Invoke();
+        }
+
         private void RoundEnd(MsgRoundEndMessage message)
         {
-
             //This is not ideal at all, but I don't see an immediately better fit anywhere else.
             var roundEnd = new RoundEndSummaryWindow(message.GamemodeTitle, message.RoundDuration, message.AllPlayersEndInfo);