Add setting for queue mode

osu.Game/Online/Multiplayer/MultiplayerRoomSettings.cs

@@ -44,7 +44,7 @@ namespace osu.Game.Online.Multiplayer
         public MatchType MatchType { get; set; } = MatchType.HeadToHead;
 
         [Key(9)]
-        public QueueingModes QueueingMode { get; set; } = QueueingModes.Host;
+        public QueueModes QueueMode { get; set; } = QueueModes.HostPick;
 
         public bool Equals(MultiplayerRoomSettings other)
             => BeatmapID == other.BeatmapID
@@ -56,7 +56,7 @@ namespace osu.Game.Online.Multiplayer
                && Name.Equals(other.Name, StringComparison.Ordinal)
                && PlaylistItemId == other.PlaylistItemId
                && MatchType == other.MatchType
-               && QueueingMode == other.QueueingMode;
+               && QueueMode == other.QueueMode;
 
         public override string ToString() => $"Name:{Name}"
                                              + $" Beatmap:{BeatmapID} ({BeatmapChecksum})"
@@ -66,6 +66,6 @@ namespace osu.Game.Online.Multiplayer
                                              + $" Ruleset:{RulesetID}"
                                              + $" Type:{MatchType}"
                                              + $" Item:{PlaylistItemId}"
-                                             + $" Queue:{QueueingMode}";
+                                             + $" Queue:{QueueMode}";
     }
 }

osu.Game/Online/Multiplayer/QueueModes.cs

@@ -3,9 +3,11 @@
 
 namespace osu.Game.Online.Multiplayer
 {
-    public enum QueueingModes
+    public enum QueueModes
     {
-        Host,
+        // used for osu-web deserialization so names shouldn't be changed.
+
+        HostPick,
         Karaoke,
     }
 }

osu.Game/Online/Rooms/Room.cs

@@ -7,6 +7,7 @@ using Newtonsoft.Json;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Game.IO.Serialization.Converters;
+using osu.Game.Online.Multiplayer;
 using osu.Game.Online.Rooms.RoomStatuses;
 using osu.Game.Users;
 using osu.Game.Utils;
@@ -73,6 +74,18 @@ namespace osu.Game.Online.Rooms
             set => Type.Value = value;
         }
 
+        [Cached]
+        [JsonIgnore]
+        public readonly Bindable<QueueModes> QueueMode = new Bindable<QueueModes>();
+
+        [JsonConverter(typeof(SnakeCaseStringEnumConverter))]
+        [JsonProperty("queue_mode")]
+        private QueueModes queueMode
+        {
+            get => QueueMode.Value;
+            set => QueueMode.Value = value;
+        }
+
         [Cached]
         [JsonIgnore]
         public readonly Bindable<int?> MaxParticipants = new Bindable<int?>();

osu.Game/Screens/OnlinePlay/Multiplayer/Match/MultiplayerMatchSettingsOverlay.cs

@@ -59,6 +59,7 @@ namespace osu.Game.Screens.OnlinePlay.Multiplayer.Match
             public OsuTextBox NameField, MaxParticipantsField;
             public RoomAvailabilityPicker AvailabilityPicker;
             public MatchTypePicker TypePicker;
+            public OsuEnumDropdown<QueueModes> QueueModeDropdown;
             public OsuTextBox PasswordTextBox;
             public TriangleButton ApplyButton;
 
@@ -190,6 +191,13 @@ namespace osu.Game.Screens.OnlinePlay.Multiplayer.Match
                                                                         },
                                                                     },
                                                                 },
+                                                                new Section("Beatmap queueing mode")
+                                                                {
+                                                                    Child = QueueModeDropdown = new OsuEnumDropdown<QueueModes>
+                                                                    {
+                                                                        RelativeSizeAxes = Axes.X
+                                                                    }
+                                                                }
                                                             },
                                                         },
                                                         new SectionContainer