Merge pull request #14378 from frenzibyte/fix-lounge-loading

Fix lounge sub screen loading layer displaying in the background

osu.Game.Tests/Visual/Multiplayer/TestSceneLoungeRoomsContainer.cs

@@ -18,7 +18,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestSceneLoungeRoomsContainer : OnlinePlayTestScene
     {
-        protected new BasicTestRoomManager RoomManager => (BasicTestRoomManager)base.RoomManager;
+        protected new TestRequestHandlingRoomManager RoomManager => (TestRequestHandlingRoomManager)base.RoomManager;
 
         private RoomsContainer container;
 
@@ -39,7 +39,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
             AddStep("add rooms", () => RoomManager.AddRooms(3));
 
             AddAssert("has 3 rooms", () => container.Rooms.Count == 3);
-            AddStep("remove first room", () => RoomManager.Rooms.Remove(RoomManager.Rooms.FirstOrDefault()));
+            AddStep("remove first room", () => RoomManager.RemoveRoom(RoomManager.Rooms.FirstOrDefault()));
             AddAssert("has 2 rooms", () => container.Rooms.Count == 2);
             AddAssert("first room removed", () => container.Rooms.All(r => r.Room.RoomID.Value != 0));
 

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerLoungeSubScreen.cs

@@ -17,7 +17,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
 {
     public class TestSceneMultiplayerLoungeSubScreen : OnlinePlayTestScene
     {
-        protected new BasicTestRoomManager RoomManager => (BasicTestRoomManager)base.RoomManager;
+        protected new TestRequestHandlingRoomManager RoomManager => (TestRequestHandlingRoomManager)base.RoomManager;
 
         private LoungeSubScreen loungeScreen;
 

osu.Game.Tests/Visual/Playlists/TestScenePlaylistsLoungeSubScreen.cs

@@ -16,7 +16,7 @@ namespace osu.Game.Tests.Visual.Playlists
 {
     public class TestScenePlaylistsLoungeSubScreen : OnlinePlayTestScene
     {
-        protected new BasicTestRoomManager RoomManager => (BasicTestRoomManager)base.RoomManager;
+        protected new TestRequestHandlingRoomManager RoomManager => (TestRequestHandlingRoomManager)base.RoomManager;
 
         private LoungeSubScreen loungeScreen;
 

osu.Game.Tests/Visual/Playlists/TestScenePlaylistsRoomSubScreen.cs

@@ -11,7 +11,6 @@ using osu.Framework.Platform;
 using osu.Framework.Screens;
 using osu.Framework.Testing;
 using osu.Game.Beatmaps;
-using osu.Game.Online.API;
 using osu.Game.Online.Rooms;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Osu;
@@ -35,18 +34,6 @@ namespace osu.Game.Tests.Visual.Playlists
         {
             Dependencies.Cache(rulesets = new RulesetStore(ContextFactory));
             Dependencies.Cache(manager = new BeatmapManager(LocalStorage, ContextFactory, rulesets, null, audio, Resources, host, Beatmap.Default));
-
-            ((DummyAPIAccess)API).HandleRequest = req =>
-            {
-                switch (req)
-                {
-                    case CreateRoomScoreRequest createRoomScoreRequest:
-                        createRoomScoreRequest.TriggerSuccess(new APIScoreToken { ID = 1 });
-                        return true;
-                }
-
-                return false;
-            };
         }
 
         [SetUpSteps]

osu.Game/Screens/OnlinePlay/Lounge/LoungeSubScreen.cs

@@ -76,6 +76,8 @@ namespace osu.Game.Screens.OnlinePlay.Lounge
         [BackgroundDependencyLoader(true)]
         private void load([CanBeNull] IdleTracker idleTracker)
         {
+            const float controls_area_height = 25f;
+
             if (idleTracker != null)
                 isIdle.BindTo(idleTracker.IsIdle);
 
@@ -84,86 +86,73 @@ namespace osu.Game.Screens.OnlinePlay.Lounge
             InternalChildren = new Drawable[]
             {
                 ListingPollingComponent = CreatePollingComponent().With(c => c.Filter.BindTarget = filter),
-                loadingLayer = new LoadingLayer(true),
                 new Container
                 {
+                    Name = @"Rooms area",
                     RelativeSizeAxes = Axes.Both,
                     Padding = new MarginPadding
                     {
-                        Left = WaveOverlayContainer.WIDTH_PADDING,
+                        Horizontal = WaveOverlayContainer.WIDTH_PADDING,
-                        Right = WaveOverlayContainer.WIDTH_PADDING,
+                        Top = Header.HEIGHT + controls_area_height + 20,
                     },
-                    Child = new GridContainer
+                    Child = scrollContainer = new OsuScrollContainer
                     {
                         RelativeSizeAxes = Axes.Both,
-                        RowDimensions = new[]
+                        ScrollbarOverlapsContent = false,
+                        Child = roomsContainer = new RoomsContainer
                         {
-                            new Dimension(GridSizeMode.Absolute, Header.HEIGHT),
+                            Filter = { BindTarget = filter }
-                            new Dimension(GridSizeMode.Absolute, 25),
+                        }
-                            new Dimension(GridSizeMode.Absolute, 20)
+                    },
+                },
+                loadingLayer = new LoadingLayer(true),
+                new FillFlowContainer
+                {
+                    Name = @"Header area flow",
+                    RelativeSizeAxes = Axes.X,
+                    AutoSizeAxes = Axes.Y,
+                    Padding = new MarginPadding { Horizontal = WaveOverlayContainer.WIDTH_PADDING },
+                    Direction = FillDirection.Vertical,
+                    Children = new Drawable[]
+                    {
+                        new Container
+                        {
+                            RelativeSizeAxes = Axes.X,
+                            Height = Header.HEIGHT,
+                            Child = searchTextBox = new LoungeSearchTextBox
+                            {
+                                Anchor = Anchor.CentreRight,
+                                Origin = Anchor.CentreRight,
+                                RelativeSizeAxes = Axes.X,
+                                Width = 0.6f,
+                            },
                         },
-                        Content = new[]
+                        new Container
                         {
-                            new Drawable[]
+                            RelativeSizeAxes = Axes.X,
+                            Height = controls_area_height,
+                            Children = new Drawable[]
                             {
-                                searchTextBox = new LoungeSearchTextBox
+                                Buttons.WithChild(CreateNewRoomButton().With(d =>
                                 {
-                                    Anchor = Anchor.CentreRight,
+                                    d.Anchor = Anchor.BottomLeft;
-                                    Origin = Anchor.CentreRight,
+                                    d.Origin = Anchor.BottomLeft;
-                                    RelativeSizeAxes = Axes.X,
+                                    d.Size = new Vector2(150, 37.5f);
-                                    Width = 0.6f,
+                                    d.Action = () => Open();
-                                },
+                                })),
-                            },
+                                new FillFlowContainer
-                            new Drawable[]
-                            {
-                                new Container
                                 {
-                                    RelativeSizeAxes = Axes.Both,
+                                    Anchor = Anchor.TopRight,
-                                    Depth = float.MinValue, // Contained filters should appear over the top of rooms.
+                                    Origin = Anchor.TopRight,
-                                    Children = new Drawable[]
+                                    AutoSizeAxes = Axes.Both,
+                                    Direction = FillDirection.Horizontal,
+                                    Spacing = new Vector2(10),
+                                    ChildrenEnumerable = CreateFilterControls().Select(f => f.With(d =>
                                     {
-                                        Buttons.WithChild(CreateNewRoomButton().With(d =>
+                                        d.Anchor = Anchor.TopRight;
-                                        {
+                                        d.Origin = Anchor.TopRight;
-                                            d.Anchor = Anchor.BottomLeft;
+                                    }))
-                                            d.Origin = Anchor.BottomLeft;
-                                            d.Size = new Vector2(150, 37.5f);
-                                            d.Action = () => Open();
-                                        })),
-                                        new FillFlowContainer
-                                        {
-                                            Anchor = Anchor.TopRight,
-                                            Origin = Anchor.TopRight,
-                                            AutoSizeAxes = Axes.Both,
-                                            Direction = FillDirection.Horizontal,
-                                            Spacing = new Vector2(10),
-                                            ChildrenEnumerable = CreateFilterControls().Select(f => f.With(d =>
-                                            {
-                                                d.Anchor = Anchor.TopRight;
-                                                d.Origin = Anchor.TopRight;
-                                            }))
-                                        }
-                                    }
                                 }
-                            },
-                            null,
-                            new Drawable[]
-                            {
-                                new Container
-                                {
-                                    RelativeSizeAxes = Axes.Both,
-                                    Children = new Drawable[]
-                                    {
-                                        scrollContainer = new OsuScrollContainer
-                                        {
-                                            RelativeSizeAxes = Axes.Both,
-                                            ScrollbarOverlapsContent = false,
-                                            Child = roomsContainer = new RoomsContainer
-                                            {
-                                                Filter = { BindTarget = filter }
-                                            }
-                                        },
-                                    }
-                                },
                             }
                         }
                     },

osu.Game/Tests/Visual/Multiplayer/TestRequestHandlingMultiplayerRoomManager.cs

@@ -1,150 +1,36 @@
 // 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 System;
 using System.Collections.Generic;
-using System.Linq;
 using osu.Framework.Allocation;
 using osu.Game.Online.API;
-using osu.Game.Online.API.Requests;
 using osu.Game.Online.Rooms;
-using osu.Game.Rulesets.Scoring;
-using osu.Game.Scoring;
 using osu.Game.Screens.OnlinePlay.Components;
 using osu.Game.Screens.OnlinePlay.Multiplayer;
+using osu.Game.Tests.Visual.OnlinePlay;
 
 namespace osu.Game.Tests.Visual.Multiplayer
 {
     /// <summary>
-    /// A <see cref="RoomManager"/> for use in multiplayer test scenes. Should generally not be used by itself outside of a <see cref="MultiplayerTestScene"/>.
+    /// A <see cref="RoomManager"/> for use in multiplayer test scenes, backed by a <see cref="TestRoomRequestsHandler"/>.
+    /// Should generally not be used by itself outside of a <see cref="MultiplayerTestScene"/>.
     /// </summary>
-    /// <remarks>
-    /// This implementation will pretend to be a server, handling room retrieval and manipulation requests
-    /// and returning a roughly expected state, without the need for a server to be running.
-    /// </remarks>
     public class TestRequestHandlingMultiplayerRoomManager : MultiplayerRoomManager
     {
-        [Resolved]
+        public IReadOnlyList<Room> ServerSideRooms => handler.ServerSideRooms;
-        private IAPIProvider api { get; set; }
 
-        [Resolved]
+        private readonly TestRoomRequestsHandler handler = new TestRoomRequestsHandler();
-        private OsuGameBase game { get; set; }
-
-        public IReadOnlyList<Room> ServerSideRooms => serverSideRooms;
-        private readonly List<Room> serverSideRooms = new List<Room>();
-
-        private int currentRoomId;
-        private int currentPlaylistItemId;
 
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(IAPIProvider api, OsuGameBase game)
         {
-            int currentScoreId = 0;
+            ((DummyAPIAccess)api).HandleRequest = request => handler.HandleRequest(request, api.LocalUser.Value, game);
-
-            // Handling here is pretending to be a server, while also updating the local state to match
-            // how the server would eventually respond and update the RoomManager.
-            ((DummyAPIAccess)api).HandleRequest = req =>
-            {
-                switch (req)
-                {
-                    case CreateRoomRequest createRoomRequest:
-                        var apiRoom = new Room();
-
-                        apiRoom.CopyFrom(createRoomRequest.Room);
-
-                        // Passwords are explicitly not copied between rooms.
-                        apiRoom.HasPassword.Value = !string.IsNullOrEmpty(createRoomRequest.Room.Password.Value);
-                        apiRoom.Password.Value = createRoomRequest.Room.Password.Value;
-
-                        AddServerSideRoom(apiRoom);
-
-                        var responseRoom = new APICreatedRoom();
-                        responseRoom.CopyFrom(createResponseRoom(apiRoom, false));
-
-                        createRoomRequest.TriggerSuccess(responseRoom);
-                        return true;
-
-                    case JoinRoomRequest joinRoomRequest:
-                    {
-                        var room = ServerSideRooms.Single(r => r.RoomID.Value == joinRoomRequest.Room.RoomID.Value);
-
-                        if (joinRoomRequest.Password != room.Password.Value)
-                        {
-                            joinRoomRequest.TriggerFailure(new InvalidOperationException("Invalid password."));
-                            return true;
-                        }
-
-                        joinRoomRequest.TriggerSuccess();
-                        return true;
-                    }
-
-                    case PartRoomRequest partRoomRequest:
-                        partRoomRequest.TriggerSuccess();
-                        return true;
-
-                    case GetRoomsRequest getRoomsRequest:
-                        var roomsWithoutParticipants = new List<Room>();
-
-                        foreach (var r in ServerSideRooms)
-                            roomsWithoutParticipants.Add(createResponseRoom(r, false));
-
-                        getRoomsRequest.TriggerSuccess(roomsWithoutParticipants);
-                        return true;
-
-                    case GetRoomRequest getRoomRequest:
-                        getRoomRequest.TriggerSuccess(createResponseRoom(ServerSideRooms.Single(r => r.RoomID.Value == getRoomRequest.RoomId), true));
-                        return true;
-
-                    case GetBeatmapSetRequest getBeatmapSetRequest:
-                        var onlineReq = new GetBeatmapSetRequest(getBeatmapSetRequest.ID, getBeatmapSetRequest.Type);
-                        onlineReq.Success += res => getBeatmapSetRequest.TriggerSuccess(res);
-                        onlineReq.Failure += e => getBeatmapSetRequest.TriggerFailure(e);
-
-                        // Get the online API from the game's dependencies.
-                        game.Dependencies.Get<IAPIProvider>().Queue(onlineReq);
-                        return true;
-
-                    case CreateRoomScoreRequest createRoomScoreRequest:
-                        createRoomScoreRequest.TriggerSuccess(new APIScoreToken { ID = 1 });
-                        return true;
-
-                    case SubmitRoomScoreRequest submitRoomScoreRequest:
-                        submitRoomScoreRequest.TriggerSuccess(new MultiplayerScore
-                        {
-                            ID = currentScoreId++,
-                            Accuracy = 1,
-                            EndedAt = DateTimeOffset.Now,
-                            Passed = true,
-                            Rank = ScoreRank.S,
-                            MaxCombo = 1000,
-                            TotalScore = 1000000,
-                            User = api.LocalUser.Value,
-                            Statistics = new Dictionary<HitResult, int>()
-                        });
-                        return true;
-                }
-
-                return false;
-            };
         }
 
-        public void AddServerSideRoom(Room room)
+        /// <summary>
-        {
+        /// Adds a room to a local "server-side" list that's returned when a <see cref="GetRoomsRequest"/> is fired.
-            room.RoomID.Value ??= currentRoomId++;
+        /// </summary>
-            for (int i = 0; i < room.Playlist.Count; i++)
+        /// <param name="room">The room.</param>
-                room.Playlist[i].ID = currentPlaylistItemId++;
+        public void AddServerSideRoom(Room room) => handler.AddServerSideRoom(room);
-
-            serverSideRooms.Add(room);
-        }
-
-        private Room createResponseRoom(Room room, bool withParticipants)
-        {
-            var responseRoom = new Room();
-            responseRoom.CopyFrom(room);
-            responseRoom.Password.Value = null;
-            if (!withParticipants)
-                responseRoom.RecentParticipants.Clear();
-            return responseRoom;
-        }
     }
 }

osu.Game/Tests/Visual/OnlinePlay/BasicTestRoomManager.cs

@@ -1,111 +0,0 @@
-// 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 System;
-using System.Linq;
-using osu.Framework.Bindables;
-using osu.Game.Beatmaps;
-using osu.Game.Online.Rooms;
-using osu.Game.Rulesets;
-using osu.Game.Screens.OnlinePlay;
-using osu.Game.Screens.OnlinePlay.Components;
-using osu.Game.Users;
-
-namespace osu.Game.Tests.Visual.OnlinePlay
-{
-    /// <summary>
-    /// A very simple <see cref="RoomManager"/> for use in online play test scenes.
-    /// </summary>
-    public class BasicTestRoomManager : IRoomManager
-    {
-        public event Action RoomsUpdated;
-
-        public readonly BindableList<Room> Rooms = new BindableList<Room>();
-
-        public Action<Room, string> JoinRoomRequested;
-
-        public IBindable<bool> InitialRoomsReceived { get; } = new Bindable<bool>(true);
-
-        IBindableList<Room> IRoomManager.Rooms => Rooms;
-
-        private int currentRoomId;
-
-        public void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null)
-        {
-            room.RoomID.Value ??= Rooms.Select(r => r.RoomID.Value).Where(id => id != null).Select(id => id.Value).DefaultIfEmpty().Max() + 1;
-            onSuccess?.Invoke(room);
-
-            AddOrUpdateRoom(room);
-        }
-
-        public void AddOrUpdateRoom(Room room)
-        {
-            var existing = Rooms.FirstOrDefault(r => r.RoomID.Value != null && r.RoomID.Value == room.RoomID.Value);
-
-            if (existing != null)
-                existing.CopyFrom(room);
-            else
-                Rooms.Add(room);
-
-            RoomsUpdated?.Invoke();
-        }
-
-        public void RemoveRoom(Room room)
-        {
-            Rooms.Remove(room);
-            RoomsUpdated?.Invoke();
-        }
-
-        public void ClearRooms()
-        {
-            Rooms.Clear();
-            RoomsUpdated?.Invoke();
-        }
-
-        public void JoinRoom(Room room, string password, Action<Room> onSuccess = null, Action<string> onError = null)
-        {
-            JoinRoomRequested?.Invoke(room, password);
-            onSuccess?.Invoke(room);
-        }
-
-        public void PartRoom()
-        {
-        }
-
-        public void AddRooms(int count, RulesetInfo ruleset = null, bool withPassword = false)
-        {
-            for (int i = 0; i < count; i++)
-            {
-                var room = new Room
-                {
-                    RoomID = { Value = currentRoomId },
-                    Position = { Value = currentRoomId },
-                    Name = { Value = $"Room {currentRoomId}" },
-                    Host = { Value = new User { Username = "Host" } },
-                    EndDate = { Value = DateTimeOffset.Now + TimeSpan.FromSeconds(10) },
-                    Category = { Value = i % 2 == 0 ? RoomCategory.Spotlight : RoomCategory.Normal },
-                    Password = { Value = withPassword ? "password" : string.Empty }
-                };
-
-                if (ruleset != null)
-                {
-                    room.Playlist.Add(new PlaylistItem
-                    {
-                        Ruleset = { Value = ruleset },
-                        Beatmap =
-                        {
-                            Value = new BeatmapInfo
-                            {
-                                Metadata = new BeatmapMetadata()
-                            }
-                        }
-                    });
-                }
-
-                CreateRoom(room);
-
-                currentRoomId++;
-            }
-        }
-    }
-}

osu.Game/Tests/Visual/OnlinePlay/OnlinePlayTestSceneDependencies.cs

@@ -71,6 +71,6 @@ namespace osu.Game.Tests.Visual.OnlinePlay
                 drawableComponents.Add(drawable);
         }
 
-        protected virtual IRoomManager CreateRoomManager() => new BasicTestRoomManager();
+        protected virtual IRoomManager CreateRoomManager() => new TestRequestHandlingRoomManager();
     }
 }

osu.Game/Tests/Visual/OnlinePlay/TestRequestHandlingRoomManager.cs

@@ -0,0 +1,75 @@
+// 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 System;
+using osu.Framework.Allocation;
+using osu.Game.Beatmaps;
+using osu.Game.Online.API;
+using osu.Game.Online.Rooms;
+using osu.Game.Rulesets;
+using osu.Game.Screens.OnlinePlay.Components;
+using osu.Game.Users;
+
+namespace osu.Game.Tests.Visual.OnlinePlay
+{
+    /// <summary>
+    /// A very simple <see cref="RoomManager"/> for use in online play test scenes.
+    /// </summary>
+    public class TestRequestHandlingRoomManager : RoomManager
+    {
+        public Action<Room, string> JoinRoomRequested;
+
+        private int currentRoomId;
+
+        private readonly TestRoomRequestsHandler handler = new TestRoomRequestsHandler();
+
+        [BackgroundDependencyLoader]
+        private void load(IAPIProvider api, OsuGameBase game)
+        {
+            ((DummyAPIAccess)api).HandleRequest = request => handler.HandleRequest(request, api.LocalUser.Value, game);
+        }
+
+        public override void JoinRoom(Room room, string password = null, Action<Room> onSuccess = null, Action<string> onError = null)
+        {
+            JoinRoomRequested?.Invoke(room, password);
+            base.JoinRoom(room, password, onSuccess, onError);
+        }
+
+        public void AddRooms(int count, RulesetInfo ruleset = null, bool withPassword = false)
+        {
+            for (int i = 0; i < count; i++)
+            {
+                var room = new Room
+                {
+                    RoomID = { Value = -currentRoomId },
+                    Name = { Value = $@"Room {currentRoomId}" },
+                    Host = { Value = new User { Username = @"Host" } },
+                    EndDate = { Value = DateTimeOffset.Now + TimeSpan.FromSeconds(10) },
+                    Category = { Value = i % 2 == 0 ? RoomCategory.Spotlight : RoomCategory.Normal },
+                };
+
+                if (withPassword)
+                    room.Password.Value = @"password";
+
+                if (ruleset != null)
+                {
+                    room.Playlist.Add(new PlaylistItem
+                    {
+                        Ruleset = { Value = ruleset },
+                        Beatmap =
+                        {
+                            Value = new BeatmapInfo
+                            {
+                                Metadata = new BeatmapMetadata()
+                            }
+                        }
+                    });
+                }
+
+                CreateRoom(room);
+
+                currentRoomId++;
+            }
+        }
+    }
+}

osu.Game/Tests/Visual/OnlinePlay/TestRoomRequestsHandler.cs

@@ -0,0 +1,147 @@
+// 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 System;
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Allocation;
+using osu.Game.Online.API;
+using osu.Game.Online.API.Requests;
+using osu.Game.Online.Rooms;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
+using osu.Game.Screens.OnlinePlay.Components;
+using osu.Game.Users;
+
+namespace osu.Game.Tests.Visual.OnlinePlay
+{
+    /// <summary>
+    /// Represents a handler which pretends to be a server, handling room retrieval and manipulation requests
+    /// and returning a roughly expected state, without the need for a server to be running.
+    /// </summary>
+    public class TestRoomRequestsHandler
+    {
+        public IReadOnlyList<Room> ServerSideRooms => serverSideRooms;
+
+        private readonly List<Room> serverSideRooms = new List<Room>();
+
+        private int currentRoomId;
+        private int currentPlaylistItemId;
+        private int currentScoreId;
+
+        /// <summary>
+        /// Handles an API request, while also updating the local state to match
+        /// how the server would eventually respond and update an <see cref="RoomManager"/>.
+        /// </summary>
+        /// <param name="request">The API request to handle.</param>
+        /// <param name="localUser">The local user to store in responses where required.</param>
+        /// <param name="game">The game base for cases where actual online requests need to be sent.</param>
+        /// <returns>Whether the request was successfully handled.</returns>
+        public bool HandleRequest(APIRequest request, User localUser, OsuGameBase game)
+        {
+            switch (request)
+            {
+                case CreateRoomRequest createRoomRequest:
+                    var apiRoom = new Room();
+
+                    apiRoom.CopyFrom(createRoomRequest.Room);
+
+                    // Passwords are explicitly not copied between rooms.
+                    apiRoom.HasPassword.Value = !string.IsNullOrEmpty(createRoomRequest.Room.Password.Value);
+                    apiRoom.Password.Value = createRoomRequest.Room.Password.Value;
+
+                    AddServerSideRoom(apiRoom);
+
+                    var responseRoom = new APICreatedRoom();
+                    responseRoom.CopyFrom(createResponseRoom(apiRoom, false));
+
+                    createRoomRequest.TriggerSuccess(responseRoom);
+                    return true;
+
+                case JoinRoomRequest joinRoomRequest:
+                {
+                    var room = ServerSideRooms.Single(r => r.RoomID.Value == joinRoomRequest.Room.RoomID.Value);
+
+                    if (joinRoomRequest.Password != room.Password.Value)
+                    {
+                        joinRoomRequest.TriggerFailure(new InvalidOperationException("Invalid password."));
+                        return true;
+                    }
+
+                    joinRoomRequest.TriggerSuccess();
+                    return true;
+                }
+
+                case PartRoomRequest partRoomRequest:
+                    partRoomRequest.TriggerSuccess();
+                    return true;
+
+                case GetRoomsRequest getRoomsRequest:
+                    var roomsWithoutParticipants = new List<Room>();
+
+                    foreach (var r in ServerSideRooms)
+                        roomsWithoutParticipants.Add(createResponseRoom(r, false));
+
+                    getRoomsRequest.TriggerSuccess(roomsWithoutParticipants);
+                    return true;
+
+                case GetRoomRequest getRoomRequest:
+                    getRoomRequest.TriggerSuccess(createResponseRoom(ServerSideRooms.Single(r => r.RoomID.Value == getRoomRequest.RoomId), true));
+                    return true;
+
+                case GetBeatmapSetRequest getBeatmapSetRequest:
+                    var onlineReq = new GetBeatmapSetRequest(getBeatmapSetRequest.ID, getBeatmapSetRequest.Type);
+                    onlineReq.Success += res => getBeatmapSetRequest.TriggerSuccess(res);
+                    onlineReq.Failure += e => getBeatmapSetRequest.TriggerFailure(e);
+
+                    // Get the online API from the game's dependencies.
+                    game.Dependencies.Get<IAPIProvider>().Queue(onlineReq);
+                    return true;
+
+                case CreateRoomScoreRequest createRoomScoreRequest:
+                    createRoomScoreRequest.TriggerSuccess(new APIScoreToken { ID = 1 });
+                    return true;
+
+                case SubmitRoomScoreRequest submitRoomScoreRequest:
+                    submitRoomScoreRequest.TriggerSuccess(new MultiplayerScore
+                    {
+                        ID = currentScoreId++,
+                        Accuracy = 1,
+                        EndedAt = DateTimeOffset.Now,
+                        Passed = true,
+                        Rank = ScoreRank.S,
+                        MaxCombo = 1000,
+                        TotalScore = 1000000,
+                        User = localUser,
+                        Statistics = new Dictionary<HitResult, int>()
+                    });
+                    return true;
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Adds a room to a local "server-side" list that's returned when a <see cref="GetRoomsRequest"/> is fired.
+        /// </summary>
+        /// <param name="room">The room.</param>
+        public void AddServerSideRoom(Room room)
+        {
+            room.RoomID.Value ??= currentRoomId++;
+            for (int i = 0; i < room.Playlist.Count; i++)
+                room.Playlist[i].ID = currentPlaylistItemId++;
+
+            serverSideRooms.Add(room);
+        }
+
+        private Room createResponseRoom(Room room, bool withParticipants)
+        {
+            var responseRoom = new Room();
+            responseRoom.CopyFrom(room);
+            responseRoom.Password.Value = null;
+            if (!withParticipants)
+                responseRoom.RecentParticipants.Clear();
+            return responseRoom;
+        }
+    }
+}