mirror of
https://github.com/ppy/osu.git
synced 2024-12-25 13:45:37 +08:00
256 lines
8.4 KiB
C#
256 lines
8.4 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 disable
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Linq;
|
|
using JetBrains.Annotations;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Extensions;
|
|
using osu.Framework.Extensions.ObjectExtensions;
|
|
using osu.Game.Beatmaps;
|
|
using osu.Game.Database;
|
|
using osu.Game.Online.API.Requests.Responses;
|
|
using osu.Game.Online.Spectator;
|
|
using osu.Game.Replays;
|
|
using osu.Game.Rulesets;
|
|
using osu.Game.Scoring;
|
|
using Realms;
|
|
|
|
namespace osu.Game.Screens.Spectate
|
|
{
|
|
/// <summary>
|
|
/// A <see cref="OsuScreen"/> which spectates one or more users.
|
|
/// </summary>
|
|
public abstract class SpectatorScreen : OsuScreen
|
|
{
|
|
protected IReadOnlyList<int> Users => users;
|
|
|
|
private readonly List<int> users = new List<int>();
|
|
|
|
[Resolved]
|
|
private BeatmapManager beatmaps { get; set; }
|
|
|
|
[Resolved]
|
|
private RulesetStore rulesets { get; set; }
|
|
|
|
[Resolved]
|
|
private SpectatorClient spectatorClient { get; set; }
|
|
|
|
[Resolved]
|
|
private UserLookupCache userLookupCache { get; set; }
|
|
|
|
private readonly IBindableDictionary<int, SpectatorState> userStates = new BindableDictionary<int, SpectatorState>();
|
|
|
|
private readonly Dictionary<int, APIUser> userMap = new Dictionary<int, APIUser>();
|
|
private readonly Dictionary<int, SpectatorGameplayState> gameplayStates = new Dictionary<int, SpectatorGameplayState>();
|
|
|
|
/// <summary>
|
|
/// Creates a new <see cref="SpectatorScreen"/>.
|
|
/// </summary>
|
|
/// <param name="users">The users to spectate.</param>
|
|
protected SpectatorScreen(params int[] users)
|
|
{
|
|
this.users.AddRange(users);
|
|
}
|
|
|
|
[Resolved]
|
|
private RealmAccess realm { get; set; }
|
|
|
|
private IDisposable realmSubscription;
|
|
|
|
protected override void LoadComplete()
|
|
{
|
|
base.LoadComplete();
|
|
|
|
userLookupCache.GetUsersAsync(users.ToArray()).ContinueWith(task => Schedule(() =>
|
|
{
|
|
var foundUsers = task.GetResultSafely();
|
|
|
|
foreach (var u in foundUsers)
|
|
{
|
|
if (u == null)
|
|
continue;
|
|
|
|
userMap[u.Id] = u;
|
|
}
|
|
|
|
userStates.BindTo(spectatorClient.WatchedUserStates);
|
|
userStates.BindCollectionChanged(onUserStatesChanged, true);
|
|
|
|
realmSubscription = realm.RegisterForNotifications(
|
|
realm => realm.All<BeatmapSetInfo>().Where(s => !s.DeletePending), beatmapsChanged);
|
|
|
|
foreach ((int id, var _) in userMap)
|
|
spectatorClient.WatchUser(id);
|
|
}));
|
|
}
|
|
|
|
private void beatmapsChanged(IRealmCollection<BeatmapSetInfo> items, ChangeSet changes, Exception ___)
|
|
{
|
|
if (changes?.InsertedIndices == null) return;
|
|
|
|
foreach (int c in changes.InsertedIndices) beatmapUpdated(items[c]);
|
|
}
|
|
|
|
private void beatmapUpdated(BeatmapSetInfo beatmapSet)
|
|
{
|
|
foreach ((int userId, _) in userMap)
|
|
{
|
|
if (!userStates.TryGetValue(userId, out var userState))
|
|
continue;
|
|
|
|
if (beatmapSet.Beatmaps.Any(b => b.OnlineID == userState.BeatmapID))
|
|
startGameplay(userId);
|
|
}
|
|
}
|
|
|
|
private void onUserStatesChanged(object sender, NotifyDictionaryChangedEventArgs<int, SpectatorState> e)
|
|
{
|
|
switch (e.Action)
|
|
{
|
|
case NotifyDictionaryChangedAction.Add:
|
|
case NotifyDictionaryChangedAction.Replace:
|
|
foreach ((int userId, SpectatorState state) in e.NewItems.AsNonNull())
|
|
onUserStateChanged(userId, state);
|
|
break;
|
|
}
|
|
}
|
|
|
|
private void onUserStateChanged(int userId, SpectatorState newState)
|
|
{
|
|
if (newState.RulesetID == null || newState.BeatmapID == null)
|
|
return;
|
|
|
|
if (!userMap.ContainsKey(userId))
|
|
return;
|
|
|
|
switch (newState.State)
|
|
{
|
|
case SpectatedUserState.Playing:
|
|
Schedule(() => OnNewPlayingUserState(userId, newState));
|
|
startGameplay(userId);
|
|
break;
|
|
|
|
case SpectatedUserState.Passed:
|
|
markReceivedAllFrames(userId);
|
|
break;
|
|
|
|
case SpectatedUserState.Quit:
|
|
quitGameplay(userId);
|
|
break;
|
|
}
|
|
}
|
|
|
|
private void startGameplay(int userId)
|
|
{
|
|
Debug.Assert(userMap.ContainsKey(userId));
|
|
|
|
var user = userMap[userId];
|
|
var spectatorState = userStates[userId];
|
|
|
|
var resolvedRuleset = rulesets.AvailableRulesets.FirstOrDefault(r => r.OnlineID == spectatorState.RulesetID)?.CreateInstance();
|
|
if (resolvedRuleset == null)
|
|
return;
|
|
|
|
var resolvedBeatmap = beatmaps.QueryBeatmap(b => b.OnlineID == spectatorState.BeatmapID);
|
|
if (resolvedBeatmap == null)
|
|
return;
|
|
|
|
var score = new Score
|
|
{
|
|
ScoreInfo = new ScoreInfo
|
|
{
|
|
BeatmapInfo = resolvedBeatmap,
|
|
User = user,
|
|
Mods = spectatorState.Mods.Select(m => m.ToMod(resolvedRuleset)).ToArray(),
|
|
Ruleset = resolvedRuleset.RulesetInfo,
|
|
},
|
|
Replay = new Replay { HasReceivedAllFrames = false },
|
|
};
|
|
|
|
var gameplayState = new SpectatorGameplayState(score, resolvedRuleset, beatmaps.GetWorkingBeatmap(resolvedBeatmap));
|
|
|
|
gameplayStates[userId] = gameplayState;
|
|
Schedule(() => StartGameplay(userId, gameplayState));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Marks an existing gameplay session as received all frames.
|
|
/// </summary>
|
|
private void markReceivedAllFrames(int userId)
|
|
{
|
|
if (gameplayStates.TryGetValue(userId, out var gameplayState))
|
|
gameplayState.Score.Replay.HasReceivedAllFrames = true;
|
|
}
|
|
|
|
private void quitGameplay(int userId)
|
|
{
|
|
if (!userMap.ContainsKey(userId))
|
|
return;
|
|
|
|
if (!gameplayStates.ContainsKey(userId))
|
|
return;
|
|
|
|
markReceivedAllFrames(userId);
|
|
|
|
gameplayStates.Remove(userId);
|
|
Schedule(() => QuitGameplay(userId));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Invoked when a spectated user's state has changed to a new state indicating the player is currently playing.
|
|
/// </summary>
|
|
/// <param name="userId">The user whose state has changed.</param>
|
|
/// <param name="spectatorState">The new state.</param>
|
|
protected abstract void OnNewPlayingUserState(int userId, [NotNull] SpectatorState spectatorState);
|
|
|
|
/// <summary>
|
|
/// Starts gameplay for a user.
|
|
/// </summary>
|
|
/// <param name="userId">The user to start gameplay for.</param>
|
|
/// <param name="spectatorGameplayState">The gameplay state.</param>
|
|
protected abstract void StartGameplay(int userId, [NotNull] SpectatorGameplayState spectatorGameplayState);
|
|
|
|
/// <summary>
|
|
/// Quits gameplay for a user.
|
|
/// </summary>
|
|
/// <param name="userId">The user to quit gameplay for.</param>
|
|
protected abstract void QuitGameplay(int userId);
|
|
|
|
/// <summary>
|
|
/// Stops spectating a user.
|
|
/// </summary>
|
|
/// <param name="userId">The user to stop spectating.</param>
|
|
protected void RemoveUser(int userId)
|
|
{
|
|
if (!userStates.ContainsKey(userId))
|
|
return;
|
|
|
|
quitGameplay(userId);
|
|
|
|
users.Remove(userId);
|
|
userMap.Remove(userId);
|
|
|
|
spectatorClient.StopWatchingUser(userId);
|
|
}
|
|
|
|
protected override void Dispose(bool isDisposing)
|
|
{
|
|
base.Dispose(isDisposing);
|
|
|
|
if (spectatorClient != null)
|
|
{
|
|
foreach ((int userId, var _) in userMap)
|
|
spectatorClient.StopWatchingUser(userId);
|
|
}
|
|
|
|
realmSubscription?.Dispose();
|
|
}
|
|
}
|
|
}
|