From cbb07d4011a8db5de79c775f659eaa6ea7f0da34 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Thu, 21 Apr 2022 22:56:24 +0900
Subject: [PATCH] Add countdown classes

---
 .../Online/Multiplayer/GameplayStartCountdown.cs  | 15 +++++++++++++++
 .../Online/Multiplayer/MultiplayerCountdown.cs    |  1 +
 osu.Game/Online/SignalRWorkaroundTypes.cs         |  3 ++-
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 osu.Game/Online/Multiplayer/GameplayStartCountdown.cs

diff --git a/osu.Game/Online/Multiplayer/GameplayStartCountdown.cs b/osu.Game/Online/Multiplayer/GameplayStartCountdown.cs
new file mode 100644
index 0000000000..d3d7f78507
--- /dev/null
+++ b/osu.Game/Online/Multiplayer/GameplayStartCountdown.cs
@@ -0,0 +1,15 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using MessagePack;
+
+namespace osu.Game.Online.Multiplayer
+{
+    /// <summary>
+    /// A <see cref="MultiplayerCountdown"/> indicating that gameplay will start after a given period of time.
+    /// </summary>
+    [MessagePackObject]
+    public class GameplayStartCountdown : MultiplayerCountdown
+    {
+    }
+}
diff --git a/osu.Game/Online/Multiplayer/MultiplayerCountdown.cs b/osu.Game/Online/Multiplayer/MultiplayerCountdown.cs
index 81190e64c9..308eea3aef 100644
--- a/osu.Game/Online/Multiplayer/MultiplayerCountdown.cs
+++ b/osu.Game/Online/Multiplayer/MultiplayerCountdown.cs
@@ -14,6 +14,7 @@ namespace osu.Game.Online.Multiplayer
     /// </summary>
     [MessagePackObject]
     [Union(0, typeof(MatchStartCountdown))] // IMPORTANT: Add rules to SignalRUnionWorkaroundResolver for new derived types.
+    [Union(1, typeof(GameplayStartCountdown))]
     public abstract class MultiplayerCountdown
     {
         /// <summary>
diff --git a/osu.Game/Online/SignalRWorkaroundTypes.cs b/osu.Game/Online/SignalRWorkaroundTypes.cs
index 156f916cef..00fdadb87e 100644
--- a/osu.Game/Online/SignalRWorkaroundTypes.cs
+++ b/osu.Game/Online/SignalRWorkaroundTypes.cs
@@ -24,7 +24,8 @@ namespace osu.Game.Online
             (typeof(CountdownChangedEvent), typeof(MatchServerEvent)),
             (typeof(TeamVersusRoomState), typeof(MatchRoomState)),
             (typeof(TeamVersusUserState), typeof(MatchUserState)),
-            (typeof(MatchStartCountdown), typeof(MultiplayerCountdown))
+            (typeof(MatchStartCountdown), typeof(MultiplayerCountdown)),
+            (typeof(GameplayStartCountdown), typeof(MultiplayerCountdown))
         };
     }
 }