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osu-lazer/osu.Game/Screens/Play/SpectatorPlayer.cs

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// 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.Linq;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Screens;
using osu.Game.Beatmaps;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Online.Spectator;
using osu.Game.Scoring;
using osu.Game.Screens.Ranking;
namespace osu.Game.Screens.Play
{
public class SpectatorPlayer : Player
{
private readonly Score score;
protected override bool CheckModsAllowFailure() => false; // todo: better support starting mid-way through beatmap
public SpectatorPlayer(Score score)
{
this.score = score;
}
protected override ResultsScreen CreateResults(ScoreInfo score)
{
return new SpectatorResultsScreen(score);
}
[Resolved]
private SpectatorStreamingClient spectatorStreaming { get; set; }
[BackgroundDependencyLoader]
private void load()
{
spectatorStreaming.OnUserBeganPlaying += userBeganPlaying;
AddInternal(new OsuSpriteText
{
Text = $"Watching {score.ScoreInfo.User.Username} playing live!",
Font = OsuFont.Default.With(size: 30),
Y = 100,
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
});
}
protected override void PrepareReplay()
{
DrawableRuleset?.SetReplayScore(score);
}
protected override GameplayClockContainer CreateGameplayClockContainer(WorkingBeatmap beatmap, double gameplayStart)
{
// if we already have frames, start gameplay at the point in time they exist, should they be too far into the beatmap.
double? firstFrameTime = score.Replay.Frames.FirstOrDefault()?.Time;
if (firstFrameTime == null || firstFrameTime <= gameplayStart + 5000)
return base.CreateGameplayClockContainer(beatmap, gameplayStart);
return new GameplayClockContainer(beatmap, firstFrameTime.Value, true);
}
public override bool OnExiting(IScreen next)
{
spectatorStreaming.OnUserBeganPlaying -= userBeganPlaying;
return base.OnExiting(next);
}
private void userBeganPlaying(int userId, SpectatorState state)
{
if (userId != score.ScoreInfo.UserID) return;
Schedule(() =>
{
if (this.IsCurrentScreen()) this.Exit();
});
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
if (spectatorStreaming != null)
spectatorStreaming.OnUserBeganPlaying -= userBeganPlaying;
}
}
}