From d9a4f018e65ce669a1fd329a3aa6880b5c94bdbd Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Wed, 11 Aug 2021 18:26:36 +0900
Subject: [PATCH] Add event flow for receiving kick commands

---
 osu.Game/Online/Multiplayer/IMultiplayerClient.cs      | 9 +++++++++
 osu.Game/Online/Multiplayer/MultiplayerClient.cs       | 6 ++++++
 osu.Game/Online/Multiplayer/OnlineMultiplayerClient.cs | 1 +
 3 files changed, 16 insertions(+)

diff --git a/osu.Game/Online/Multiplayer/IMultiplayerClient.cs b/osu.Game/Online/Multiplayer/IMultiplayerClient.cs
index 064065ab00..8f16d22c4c 100644
--- a/osu.Game/Online/Multiplayer/IMultiplayerClient.cs
+++ b/osu.Game/Online/Multiplayer/IMultiplayerClient.cs
@@ -31,6 +31,15 @@ namespace osu.Game.Online.Multiplayer
         /// <param name="user">The user.</param>
         Task UserLeft(MultiplayerRoomUser user);
 
+        /// <summary>
+        /// Signals that a user has been kicked from the room.
+        /// </summary>
+        /// <remarks>
+        /// This will also be sent to the user that was kicked.
+        /// </remarks>
+        /// <param name="user">The user.</param>
+        Task UserKicked(MultiplayerRoomUser user);
+
         /// <summary>
         /// Signal that the host of the room has changed.
         /// </summary>
diff --git a/osu.Game/Online/Multiplayer/MultiplayerClient.cs b/osu.Game/Online/Multiplayer/MultiplayerClient.cs
index 4607211cdf..7e964ed5fa 100644
--- a/osu.Game/Online/Multiplayer/MultiplayerClient.cs
+++ b/osu.Game/Online/Multiplayer/MultiplayerClient.cs
@@ -389,6 +389,12 @@ namespace osu.Game.Online.Multiplayer
             return Task.CompletedTask;
         }
 
+        Task IMultiplayerClient.UserKicked(MultiplayerRoomUser user)
+        {
+            // TODO: also inform users of the kick operation.
+            return ((IMultiplayerClient)this).UserLeft(user);
+        }
+
         Task IMultiplayerClient.HostChanged(int userId)
         {
             if (Room == null)
diff --git a/osu.Game/Online/Multiplayer/OnlineMultiplayerClient.cs b/osu.Game/Online/Multiplayer/OnlineMultiplayerClient.cs
index 55477a9fc7..c38a648a6a 100644
--- a/osu.Game/Online/Multiplayer/OnlineMultiplayerClient.cs
+++ b/osu.Game/Online/Multiplayer/OnlineMultiplayerClient.cs
@@ -50,6 +50,7 @@ namespace osu.Game.Online.Multiplayer
                     connection.On<MultiplayerRoomState>(nameof(IMultiplayerClient.RoomStateChanged), ((IMultiplayerClient)this).RoomStateChanged);
                     connection.On<MultiplayerRoomUser>(nameof(IMultiplayerClient.UserJoined), ((IMultiplayerClient)this).UserJoined);
                     connection.On<MultiplayerRoomUser>(nameof(IMultiplayerClient.UserLeft), ((IMultiplayerClient)this).UserLeft);
+                    connection.On<MultiplayerRoomUser>(nameof(IMultiplayerClient.UserKicked), ((IMultiplayerClient)this).UserKicked);
                     connection.On<int>(nameof(IMultiplayerClient.HostChanged), ((IMultiplayerClient)this).HostChanged);
                     connection.On<MultiplayerRoomSettings>(nameof(IMultiplayerClient.SettingsChanged), ((IMultiplayerClient)this).SettingsChanged);
                     connection.On<int, MultiplayerUserState>(nameof(IMultiplayerClient.UserStateChanged), ((IMultiplayerClient)this).UserStateChanged);