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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.
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#nullable disable
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using System.Diagnostics;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Screens;
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using osu.Game.Beatmaps;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Online.Spectator;
using osu.Game.Rulesets.Replays;
using osu.Game.Rulesets.Replays.Types;
using osu.Game.Scoring;
using osu.Game.Screens.Ranking;
namespace osu.Game.Screens.Play
{
public abstract class SpectatorPlayer : Player
{
[Resolved]
protected SpectatorClient SpectatorClient { get; private set; }
private readonly Score score;
protected override bool CheckModsAllowFailure() => false; // todo: better support starting mid-way through beatmap
protected SpectatorPlayer(Score score, PlayerConfiguration configuration = null)
: base(configuration)
{
this.score = score;
}
[BackgroundDependencyLoader]
private void load()
{
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,
});
}
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protected override void LoadComplete()
{
base.LoadComplete();
DrawableRuleset.FrameStableClock.WaitingOnFrames.BindValueChanged(waiting =>
{
if (GameplayClockContainer is MasterGameplayClockContainer master)
{
if (master.UserPlaybackRate.Value > 1 && waiting.NewValue)
master.UserPlaybackRate.Value = 1;
}
}, true);
}
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protected override void StartGameplay()
{
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base.StartGameplay();
// Start gameplay along with the very first arrival frame (the latest one).
score.Replay.Frames.Clear();
SpectatorClient.OnNewFrames += userSentFrames;
}
private void userSentFrames(int userId, FrameDataBundle bundle)
{
if (userId != score.ScoreInfo.User.OnlineID)
return;
if (!LoadedBeatmapSuccessfully)
return;
if (!this.IsCurrentScreen())
return;
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bool isFirstBundle = score.Replay.Frames.Count == 0;
foreach (var frame in bundle.Frames)
{
IConvertibleReplayFrame convertibleFrame = GameplayState.Ruleset.CreateConvertibleReplayFrame();
Debug.Assert(convertibleFrame != null);
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convertibleFrame.FromLegacy(frame, GameplayState.Beatmap);
var convertedFrame = (ReplayFrame)convertibleFrame;
convertedFrame.Time = frame.Time;
convertedFrame.Header = frame.Header;
score.Replay.Frames.Add(convertedFrame);
}
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if (isFirstBundle && score.Replay.Frames.Count > 0)
SetGameplayStartTime(score.Replay.Frames[0].Time);
}
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protected override Score CreateScore(IBeatmap beatmap) => score;
protected override ResultsScreen CreateResults(ScoreInfo score)
=> new SpectatorResultsScreen(score);
protected override void PrepareReplay()
{
DrawableRuleset?.SetReplayScore(score);
}
public override bool OnExiting(ScreenExitEvent e)
{
SpectatorClient.OnNewFrames -= userSentFrames;
return base.OnExiting(e);
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
if (SpectatorClient != null)
SpectatorClient.OnNewFrames -= userSentFrames;
}
}
}