mirror of
https://github.com/ppy/osu
synced 2024-12-13 10:28:17 +00:00
214 lines
6.4 KiB
C#
214 lines
6.4 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using OpenTK.Graphics;
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using osu.Framework.Allocation;
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using osu.Framework.Audio;
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using osu.Framework.Audio.Track;
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using osu.Framework.Configuration;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Input;
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using osu.Framework.IO.Stores;
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using osu.Game.Beatmaps;
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using osu.Game.Graphics;
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using osu.Game.Graphics.UserInterface;
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namespace osu.Game.Overlays.Direct
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{
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public class PlayButton : Container
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{
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public readonly Bindable<bool> Playing = new Bindable<bool>();
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public Track Preview { get; private set; }
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private BeatmapSetInfo beatmapSet;
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public BeatmapSetInfo BeatmapSet
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{
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get { return beatmapSet; }
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set
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{
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if (value == beatmapSet) return;
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beatmapSet = value;
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Playing.Value = false;
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trackLoader = null;
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Preview = null;
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}
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}
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private Color4 hoverColour;
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private readonly SpriteIcon icon;
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private readonly LoadingAnimation loadingAnimation;
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private readonly BindableDouble muteBindable = new BindableDouble();
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private const float transition_duration = 500;
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private bool loading
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{
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set
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{
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if (value)
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{
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loadingAnimation.Show();
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icon.FadeOut(transition_duration * 5, Easing.OutQuint);
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}
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else
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{
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loadingAnimation.Hide();
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icon.FadeIn(transition_duration, Easing.OutQuint);
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}
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}
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}
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public PlayButton(BeatmapSetInfo setInfo = null)
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{
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BeatmapSet = setInfo;
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AddRange(new Drawable[]
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{
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icon = new SpriteIcon
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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FillMode = FillMode.Fit,
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RelativeSizeAxes = Axes.Both,
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Icon = FontAwesome.fa_play,
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},
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loadingAnimation = new LoadingAnimation(),
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});
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Playing.ValueChanged += playing =>
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{
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icon.Icon = playing ? FontAwesome.fa_pause : FontAwesome.fa_play;
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icon.FadeColour(playing || IsHovered ? hoverColour : Color4.White, 120, Easing.InOutQuint);
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updatePreviewTrack(playing);
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};
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colour, AudioManager audio)
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{
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hoverColour = colour.Yellow;
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this.audio = audio;
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}
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protected override bool OnClick(InputState state)
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{
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Playing.Value = !Playing.Value;
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return true;
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}
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protected override bool OnHover(InputState state)
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{
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icon.FadeColour(hoverColour, 120, Easing.InOutQuint);
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return base.OnHover(state);
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}
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protected override void OnHoverLost(InputState state)
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{
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if (!Playing.Value)
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icon.FadeColour(Color4.White, 120, Easing.InOutQuint);
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base.OnHoverLost(state);
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}
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protected override void Update()
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{
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base.Update();
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if (Preview?.HasCompleted ?? false)
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{
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Playing.Value = false;
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Preview = null;
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}
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}
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private void updatePreviewTrack(bool playing)
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{
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if (playing)
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{
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if (Preview == null)
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{
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beginAudioLoad();
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return;
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}
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Preview.Restart();
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audio.Track.AddAdjustment(AdjustableProperty.Volume, muteBindable);
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}
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else
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{
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audio.Track.RemoveAdjustment(AdjustableProperty.Volume, muteBindable);
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Preview?.Stop();
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loading = false;
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}
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}
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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Playing.Value = false;
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}
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private TrackLoader trackLoader;
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private AudioManager audio;
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private void beginAudioLoad()
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{
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if (trackLoader != null)
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{
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Preview = trackLoader.Preview;
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Playing.TriggerChange();
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return;
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}
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loading = true;
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LoadComponentAsync(trackLoader = new TrackLoader($"https://b.ppy.sh/preview/{BeatmapSet.OnlineBeatmapSetID}.mp3"),
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d =>
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{
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// We may have been replaced by another loader
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if (trackLoader != d) return;
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Preview = d?.Preview;
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Playing.TriggerChange();
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loading = false;
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Add(trackLoader);
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});
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}
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private class TrackLoader : Drawable
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{
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private readonly string preview;
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public Track Preview;
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private TrackManager trackManager;
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public TrackLoader(string preview)
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{
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this.preview = preview;
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}
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[BackgroundDependencyLoader]
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private void load(AudioManager audio, FrameworkConfigManager config)
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{
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// create a local trackManager to bypass the mute we are applying above.
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audio.AddItem(trackManager = new TrackManager(new OnlineStore()));
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// add back the user's music volume setting (since we are no longer in the global TrackManager's hierarchy).
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config.BindWith(FrameworkSetting.VolumeMusic, trackManager.Volume);
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Preview = trackManager.Get(preview);
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}
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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trackManager?.Dispose();
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}
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}
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}
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}
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