mirror of
https://github.com/ppy/osu.git
synced 2024-11-09 09:20:05 +08:00
108 lines
4.0 KiB
C#
108 lines
4.0 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
|
|
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
|
|
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Audio;
|
|
using osu.Framework.Audio.Track;
|
|
using osu.Framework.Configuration;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.IO.Stores;
|
|
using osu.Game.Beatmaps;
|
|
|
|
namespace osu.Game.Audio
|
|
{
|
|
/// <summary>
|
|
/// A central store for the retrieval of <see cref="PreviewTrack"/>s.
|
|
/// </summary>
|
|
public class PreviewTrackManager : Component
|
|
{
|
|
private readonly BindableDouble muteBindable = new BindableDouble();
|
|
|
|
private AudioManager audio;
|
|
private TrackManager trackManager;
|
|
|
|
private TrackManagerPreviewTrack current;
|
|
|
|
[BackgroundDependencyLoader]
|
|
private void load(AudioManager audio, FrameworkConfigManager config)
|
|
{
|
|
trackManager = new TrackManager(new OnlineStore());
|
|
|
|
this.audio = audio;
|
|
audio.AddItem(trackManager);
|
|
|
|
config.BindWith(FrameworkSetting.VolumeMusic, trackManager.Volume);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieves a <see cref="PreviewTrack"/> for a <see cref="BeatmapSetInfo"/>.
|
|
/// </summary>
|
|
/// <param name="beatmapSetInfo">The <see cref="BeatmapSetInfo"/> to retrieve the preview track for.</param>
|
|
/// <returns>The playable <see cref="PreviewTrack"/>.</returns>
|
|
public PreviewTrack Get(BeatmapSetInfo beatmapSetInfo)
|
|
{
|
|
var track = CreatePreviewTrack(beatmapSetInfo, trackManager);
|
|
|
|
track.Started += () =>
|
|
{
|
|
current?.Stop();
|
|
current = track;
|
|
audio.Track.AddAdjustment(AdjustableProperty.Volume, muteBindable);
|
|
};
|
|
|
|
track.Stopped += () =>
|
|
{
|
|
current = null;
|
|
audio.Track.RemoveAdjustment(AdjustableProperty.Volume, muteBindable);
|
|
};
|
|
|
|
return track;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Stops any currently playing <see cref="PreviewTrack"/>.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// Only the immediate owner (an object that implements <see cref="IPreviewTrackOwner"/>) of the playing <see cref="PreviewTrack"/>
|
|
/// can globally stop the currently playing <see cref="PreviewTrack"/>. The object holding a reference to the <see cref="PreviewTrack"/>
|
|
/// can always stop the <see cref="PreviewTrack"/> themselves through <see cref="PreviewTrack.Stop()"/>.
|
|
/// </remarks>
|
|
/// <param name="source">The <see cref="IPreviewTrackOwner"/> which may be the owner of the <see cref="PreviewTrack"/>.</param>
|
|
public void StopAnyPlaying(IPreviewTrackOwner source)
|
|
{
|
|
if (current == null || current.Owner != source)
|
|
return;
|
|
|
|
current.Stop();
|
|
current = null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates the <see cref="TrackManagerPreviewTrack"/>.
|
|
/// </summary>
|
|
protected virtual TrackManagerPreviewTrack CreatePreviewTrack(BeatmapSetInfo beatmapSetInfo, TrackManager trackManager) => new TrackManagerPreviewTrack(beatmapSetInfo, trackManager);
|
|
|
|
protected class TrackManagerPreviewTrack : PreviewTrack
|
|
{
|
|
public IPreviewTrackOwner Owner { get; private set; }
|
|
|
|
private readonly BeatmapSetInfo beatmapSetInfo;
|
|
private readonly TrackManager trackManager;
|
|
|
|
public TrackManagerPreviewTrack(BeatmapSetInfo beatmapSetInfo, TrackManager trackManager)
|
|
{
|
|
this.beatmapSetInfo = beatmapSetInfo;
|
|
this.trackManager = trackManager;
|
|
}
|
|
|
|
[BackgroundDependencyLoader]
|
|
private void load(IPreviewTrackOwner owner)
|
|
{
|
|
Owner = owner;
|
|
}
|
|
|
|
protected override Track GetTrack() => trackManager.Get($"https://b.ppy.sh/preview/{beatmapSetInfo?.OnlineBeatmapSetID}.mp3");
|
|
}
|
|
}
|
|
}
|