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osu-lazer/osu.Game/Tests/Visual/Multiplayer/TestMultiplayerClient.cs
2021-11-25 22:17:18 +09:00

456 lines
17 KiB
C#

// 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.
#nullable enable
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Game.Beatmaps;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests.Responses;
using osu.Game.Online.Multiplayer;
using osu.Game.Online.Multiplayer.MatchTypes.TeamVersus;
using osu.Game.Online.Rooms;
using osu.Game.Rulesets.Mods;
using APIUser = osu.Game.Online.API.Requests.Responses.APIUser;
namespace osu.Game.Tests.Visual.Multiplayer
{
/// <summary>
/// A <see cref="MultiplayerClient"/> for use in multiplayer test scenes. Should generally not be used by itself outside of a <see cref="MultiplayerTestScene"/>.
/// </summary>
public class TestMultiplayerClient : MultiplayerClient
{
public override IBindable<bool> IsConnected => isConnected;
private readonly Bindable<bool> isConnected = new Bindable<bool>(true);
public new Room? APIRoom => base.APIRoom;
public Action<MultiplayerRoom>? RoomSetupAction;
[Resolved]
private IAPIProvider api { get; set; } = null!;
[Resolved]
private BeatmapManager beatmaps { get; set; } = null!;
private readonly TestMultiplayerRoomManager roomManager;
/// <summary>
/// Guaranteed up-to-date playlist.
/// </summary>
private readonly List<MultiplayerPlaylistItem> serverSidePlaylist = new List<MultiplayerPlaylistItem>();
private MultiplayerPlaylistItem? currentItem => Room?.Playlist[currentIndex];
private int currentIndex;
public TestMultiplayerClient(TestMultiplayerRoomManager roomManager)
{
this.roomManager = roomManager;
}
public void Connect() => isConnected.Value = true;
public void Disconnect() => isConnected.Value = false;
public MultiplayerRoomUser AddUser(APIUser user, bool markAsPlaying = false)
{
var roomUser = new MultiplayerRoomUser(user.Id) { User = user };
addUser(roomUser);
if (markAsPlaying)
PlayingUserIds.Add(user.Id);
return roomUser;
}
public void TestAddUnresolvedUser() => addUser(new MultiplayerRoomUser(TestUserLookupCache.UNRESOLVED_USER_ID));
private void addUser(MultiplayerRoomUser user)
{
((IMultiplayerClient)this).UserJoined(user).Wait();
// We want the user to be immediately available for testing, so force a scheduler update to run the update-bound continuation.
Scheduler.Update();
switch (Room?.MatchState)
{
case TeamVersusRoomState teamVersus:
Debug.Assert(Room != null);
// simulate the server's automatic assignment of users to teams on join.
// the "best" team is the one with the least users on it.
int bestTeam = teamVersus.Teams
.Select(team => (teamID: team.ID, userCount: Room.Users.Count(u => (u.MatchState as TeamVersusUserState)?.TeamID == team.ID)))
.OrderBy(pair => pair.userCount)
.First().teamID;
((IMultiplayerClient)this).MatchUserStateChanged(user.UserID, new TeamVersusUserState { TeamID = bestTeam }).Wait();
break;
}
}
public void RemoveUser(APIUser user)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).UserLeft(new MultiplayerRoomUser(user.Id));
Schedule(() =>
{
if (Room.Users.Any())
TransferHost(Room.Users.First().UserID);
});
}
public void ChangeRoomState(MultiplayerRoomState newState)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).RoomStateChanged(newState);
}
public void ChangeUserState(int userId, MultiplayerUserState newState)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).UserStateChanged(userId, newState);
Schedule(() =>
{
switch (Room.State)
{
case MultiplayerRoomState.WaitingForLoad:
if (Room.Users.All(u => u.State != MultiplayerUserState.WaitingForLoad))
{
foreach (var u in Room.Users.Where(u => u.State == MultiplayerUserState.Loaded))
ChangeUserState(u.UserID, MultiplayerUserState.Playing);
((IMultiplayerClient)this).MatchStarted();
ChangeRoomState(MultiplayerRoomState.Playing);
}
break;
case MultiplayerRoomState.Playing:
if (Room.Users.All(u => u.State != MultiplayerUserState.Playing))
{
foreach (var u in Room.Users.Where(u => u.State == MultiplayerUserState.FinishedPlay))
ChangeUserState(u.UserID, MultiplayerUserState.Results);
ChangeRoomState(MultiplayerRoomState.Open);
((IMultiplayerClient)this).ResultsReady();
finishCurrentItem().Wait();
}
break;
}
});
}
public void ChangeUserBeatmapAvailability(int userId, BeatmapAvailability newBeatmapAvailability)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).UserBeatmapAvailabilityChanged(userId, newBeatmapAvailability);
}
protected override async Task<MultiplayerRoom> JoinRoom(long roomId, string? password = null)
{
var apiRoom = roomManager.ServerSideRooms.Single(r => r.RoomID.Value == roomId);
if (password != apiRoom.Password.Value)
throw new InvalidOperationException("Invalid password.");
serverSidePlaylist.Clear();
serverSidePlaylist.AddRange(apiRoom.Playlist.Select(item => new MultiplayerPlaylistItem(item)));
var localUser = new MultiplayerRoomUser(api.LocalUser.Value.Id)
{
User = api.LocalUser.Value
};
var room = new MultiplayerRoom(roomId)
{
Settings =
{
Name = apiRoom.Name.Value,
MatchType = apiRoom.Type.Value,
Password = password,
QueueMode = apiRoom.QueueMode.Value
},
Playlist = serverSidePlaylist.ToList(),
Users = { localUser },
Host = localUser
};
await updateCurrentItem(room, false).ConfigureAwait(false);
RoomSetupAction?.Invoke(room);
RoomSetupAction = null;
return room;
}
protected override void OnRoomJoined()
{
Debug.Assert(APIRoom != null);
Debug.Assert(Room != null);
// emulate the server sending this after the join room. scheduler required to make sure the join room event is fired first (in Join).
changeMatchType(Room.Settings.MatchType).Wait();
}
protected override Task LeaveRoomInternal() => Task.CompletedTask;
public override Task TransferHost(int userId) => ((IMultiplayerClient)this).HostChanged(userId);
public override Task KickUser(int userId)
{
Debug.Assert(Room != null);
return ((IMultiplayerClient)this).UserKicked(Room.Users.Single(u => u.UserID == userId));
}
public override async Task ChangeSettings(MultiplayerRoomSettings settings)
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
// Server is authoritative for the time being.
settings.PlaylistItemId = Room.Settings.PlaylistItemId;
await changeQueueMode(settings.QueueMode).ConfigureAwait(false);
await ((IMultiplayerClient)this).SettingsChanged(settings).ConfigureAwait(false);
foreach (var user in Room.Users.Where(u => u.State == MultiplayerUserState.Ready))
ChangeUserState(user.UserID, MultiplayerUserState.Idle);
await changeMatchType(settings.MatchType).ConfigureAwait(false);
}
public override Task ChangeState(MultiplayerUserState newState)
{
ChangeUserState(api.LocalUser.Value.Id, newState);
return Task.CompletedTask;
}
public override Task ChangeBeatmapAvailability(BeatmapAvailability newBeatmapAvailability)
{
ChangeUserBeatmapAvailability(api.LocalUser.Value.Id, newBeatmapAvailability);
return Task.CompletedTask;
}
public void ChangeUserMods(int userId, IEnumerable<Mod> newMods)
=> ChangeUserMods(userId, newMods.Select(m => new APIMod(m)).ToList());
public void ChangeUserMods(int userId, IEnumerable<APIMod> newMods)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).UserModsChanged(userId, newMods.ToList());
}
public override Task ChangeUserMods(IEnumerable<APIMod> newMods)
{
ChangeUserMods(api.LocalUser.Value.Id, newMods);
return Task.CompletedTask;
}
public override async Task SendMatchRequest(MatchUserRequest request)
{
Debug.Assert(Room != null);
Debug.Assert(LocalUser != null);
switch (request)
{
case ChangeTeamRequest changeTeam:
TeamVersusRoomState roomState = (TeamVersusRoomState)Room.MatchState!;
TeamVersusUserState userState = (TeamVersusUserState)LocalUser.MatchState!;
var targetTeam = roomState.Teams.FirstOrDefault(t => t.ID == changeTeam.TeamID);
if (targetTeam != null)
{
userState.TeamID = targetTeam.ID;
await ((IMultiplayerClient)this).MatchUserStateChanged(LocalUser.UserID, userState).ConfigureAwait(false);
}
break;
}
}
public override Task StartMatch()
{
Debug.Assert(Room != null);
ChangeRoomState(MultiplayerRoomState.WaitingForLoad);
foreach (var user in Room.Users.Where(u => u.State == MultiplayerUserState.Ready))
ChangeUserState(user.UserID, MultiplayerUserState.WaitingForLoad);
return ((IMultiplayerClient)this).LoadRequested();
}
public async Task AddUserPlaylistItem(int userId, MultiplayerPlaylistItem item)
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
if (Room.Settings.QueueMode == QueueMode.HostOnly && Room.Host?.UserID != LocalUser?.UserID)
throw new InvalidOperationException("Local user is not the room host.");
switch (Room.Settings.QueueMode)
{
case QueueMode.HostOnly:
// In host-only mode, the current item is re-used.
item.ID = currentItem.ID;
item.OwnerID = currentItem.OwnerID;
serverSidePlaylist[currentIndex] = item;
await ((IMultiplayerClient)this).PlaylistItemChanged(item).ConfigureAwait(false);
// Note: Unlike the server, this is the easiest way to update the current item at this point.
await updateCurrentItem(Room, false).ConfigureAwait(false);
break;
default:
item.ID = serverSidePlaylist.Last().ID + 1;
item.OwnerID = userId;
serverSidePlaylist.Add(item);
await ((IMultiplayerClient)this).PlaylistItemAdded(item).ConfigureAwait(false);
await updateCurrentItem(Room).ConfigureAwait(false);
break;
}
}
public override Task AddPlaylistItem(MultiplayerPlaylistItem item) => AddUserPlaylistItem(api.LocalUser.Value.OnlineID, item);
protected override Task<APIBeatmapSet> GetOnlineBeatmapSet(int beatmapId, CancellationToken cancellationToken = default)
{
IBeatmapSetInfo? set = roomManager.ServerSideRooms.SelectMany(r => r.Playlist)
.FirstOrDefault(p => p.BeatmapID == beatmapId)?.Beatmap.Value.BeatmapSet
?? beatmaps.QueryBeatmap(b => b.OnlineID == beatmapId)?.BeatmapSet;
if (set == null)
throw new InvalidOperationException("Beatmap not found.");
var apiSet = new APIBeatmapSet
{
OnlineID = set.OnlineID,
Beatmaps = set.Beatmaps.Select(b => new APIBeatmap { OnlineID = b.OnlineID }).ToArray(),
};
return Task.FromResult(apiSet);
}
private async Task changeMatchType(MatchType type)
{
Debug.Assert(Room != null);
switch (type)
{
case MatchType.HeadToHead:
await ((IMultiplayerClient)this).MatchRoomStateChanged(null).ConfigureAwait(false);
foreach (var user in Room.Users)
await ((IMultiplayerClient)this).MatchUserStateChanged(user.UserID, null).ConfigureAwait(false);
break;
case MatchType.TeamVersus:
await ((IMultiplayerClient)this).MatchRoomStateChanged(TeamVersusRoomState.CreateDefault()).ConfigureAwait(false);
foreach (var user in Room.Users)
await ((IMultiplayerClient)this).MatchUserStateChanged(user.UserID, new TeamVersusUserState()).ConfigureAwait(false);
break;
}
}
private async Task changeQueueMode(QueueMode newMode)
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
// When changing to host-only mode, ensure that at least one non-expired playlist item exists by duplicating the current item.
if (newMode == QueueMode.HostOnly && serverSidePlaylist.All(item => item.Expired))
await duplicateCurrentItem().ConfigureAwait(false);
// When changing modes, items could have been added (above) or the queueing order could have changed.
await updateCurrentItem(Room).ConfigureAwait(false);
}
private async Task finishCurrentItem()
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
// Expire the current playlist item.
currentItem.Expired = true;
await ((IMultiplayerClient)this).PlaylistItemChanged(currentItem).ConfigureAwait(false);
// In host-only mode, a duplicate playlist item will be used for the next round.
if (Room.Settings.QueueMode == QueueMode.HostOnly)
await duplicateCurrentItem().ConfigureAwait(false);
await updateCurrentItem(Room).ConfigureAwait(false);
}
private async Task duplicateCurrentItem()
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
var newItem = new MultiplayerPlaylistItem
{
ID = serverSidePlaylist.Last().ID + 1,
BeatmapID = currentItem.BeatmapID,
BeatmapChecksum = currentItem.BeatmapChecksum,
RulesetID = currentItem.RulesetID,
RequiredMods = currentItem.RequiredMods,
AllowedMods = currentItem.AllowedMods
};
serverSidePlaylist.Add(newItem);
await ((IMultiplayerClient)this).PlaylistItemAdded(newItem).ConfigureAwait(false);
}
private async Task updateCurrentItem(MultiplayerRoom room, bool notify = true)
{
MultiplayerPlaylistItem newItem;
switch (room.Settings.QueueMode)
{
default:
// Pick the single non-expired playlist item.
newItem = serverSidePlaylist.FirstOrDefault(i => !i.Expired) ?? serverSidePlaylist.Last();
break;
case QueueMode.AllPlayersRoundRobin:
// Group playlist items by (user_id -> count_expired), and select the first available playlist item from a user that has available beatmaps where count_expired is the lowest.
throw new NotImplementedException();
}
currentIndex = serverSidePlaylist.IndexOf(newItem);
long lastItem = room.Settings.PlaylistItemId;
room.Settings.PlaylistItemId = newItem.ID;
if (notify && newItem.ID != lastItem)
await ((IMultiplayerClient)this).SettingsChanged(room.Settings).ConfigureAwait(false);
}
}
}