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

123 lines
3.7 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.
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Screens;
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 class SpectatorPlayer : Player
{
[Resolved]
private SpectatorClient spectatorClient { get; set; }
private readonly Score score;
protected override bool CheckModsAllowFailure() => false; // todo: better support starting mid-way through beatmap
public SpectatorPlayer(Score score)
{
this.score = score;
}
[BackgroundDependencyLoader]
private void load()
{
spectatorClient.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 StartGameplay()
{
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.Id)
return;
if (!LoadedBeatmapSuccessfully)
return;
if (!this.IsCurrentScreen())
return;
bool isFirstBundle = score.Replay.Frames.Count == 0;
foreach (var frame in bundle.Frames)
{
IConvertibleReplayFrame convertibleFrame = GameplayRuleset.CreateConvertibleReplayFrame();
convertibleFrame.FromLegacy(frame, GameplayBeatmap.PlayableBeatmap);
var convertedFrame = (ReplayFrame)convertibleFrame;
convertedFrame.Time = frame.Time;
score.Replay.Frames.Add(convertedFrame);
}
if (isFirstBundle && score.Replay.Frames.Count > 0)
NonFrameStableSeek(score.Replay.Frames[0].Time);
}
protected override Score CreateScore() => score;
protected override ResultsScreen CreateResults(ScoreInfo score)
=> new SpectatorResultsScreen(score);
protected override void PrepareReplay()
{
DrawableRuleset?.SetReplayScore(score);
}
public override bool OnExiting(IScreen next)
{
spectatorClient.OnUserBeganPlaying -= userBeganPlaying;
spectatorClient.OnNewFrames -= userSentFrames;
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 (spectatorClient != null)
{
spectatorClient.OnUserBeganPlaying -= userBeganPlaying;
spectatorClient.OnNewFrames -= userSentFrames;
}
}
}
}