osu/osu.Game/Overlays/MusicController.cs

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//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using OpenTK;
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using OpenTK.Graphics;
using osu.Framework;
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using osu.Framework.Allocation;
using osu.Framework.Audio;
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using osu.Framework.Audio.Track;
using osu.Framework.Configuration;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Graphics.Transformations;
using osu.Framework.Input;
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using osu.Framework.MathUtils;
using osu.Game.Beatmaps;
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using osu.Game.Configuration;
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using osu.Game.Database;
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using osu.Game.Graphics;
using osu.Framework.Graphics.Primitives;
using osu.Game.Graphics.Sprites;
namespace osu.Game.Overlays
{
public class MusicController : OverlayContainer
{
private MusicControllerBackground backgroundSprite;
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private DragBar progress;
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private TextAwesome playButton, listButton;
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private SpriteText title, artist;
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private List<BeatmapSetInfo> playList;
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private List<BeatmapInfo> playHistory = new List<BeatmapInfo>();
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private int playListIndex;
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private int playHistoryIndex = -1;
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private TrackManager trackManager;
private Bindable<WorkingBeatmap> beatmapSource;
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private Bindable<bool> preferUnicode;
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private WorkingBeatmap current;
private BeatmapDatabase beatmaps;
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private BaseGame game;
private Container dragContainer;
public MusicController()
{
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Width = 400;
Height = 130;
Margin = new MarginPadding(10);
}
protected override bool OnDragStart(InputState state) => true;
protected override bool OnDrag(InputState state)
{
Vector2 change = (state.Mouse.Position - state.Mouse.PositionMouseDown.Value);
// Diminish the drag distance as we go further to simulate "rubber band" feeling.
change *= (float)Math.Pow(change.Length, 0.7f) / change.Length;
dragContainer.MoveTo(change);
return base.OnDrag(state);
}
protected override bool OnDragEnd(InputState state)
{
dragContainer.MoveTo(Vector2.Zero, 800, EasingTypes.OutElastic);
return base.OnDragEnd(state);
}
[BackgroundDependencyLoader]
private void load(OsuGameBase osuGame, OsuConfigManager config, BeatmapDatabase beatmaps, AudioManager audio,
TextureStore textures, OsuColour colours)
{
unicodeString = config.GetUnicodeString;
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Children = new Drawable[]
{
dragContainer = new Container
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{
Masking = true,
CornerRadius = 5,
EdgeEffect = new EdgeEffect
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{
Type = EdgeEffectType.Shadow,
Colour = Color4.Black.Opacity(40),
Radius = 5,
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},
RelativeSizeAxes = Axes.Both,
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Children = new Drawable[]
{
title = new OsuSpriteText
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{
Origin = Anchor.BottomCentre,
Anchor = Anchor.TopCentre,
Position = new Vector2(0, 40),
TextSize = 25,
Colour = Color4.White,
Text = @"Nothing to play",
Font = @"Exo2.0-MediumItalic"
},
artist = new OsuSpriteText
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{
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
Position = new Vector2(0, 45),
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TextSize = 15,
Colour = Color4.White,
Text = @"Nothing to play",
Font = @"Exo2.0-BoldItalic"
},
new ClickableContainer
{
AutoSizeAxes = Axes.Both,
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Origin = Anchor.Centre,
Anchor = Anchor.BottomCentre,
Position = new Vector2(0, -30),
Action = () =>
{
if (current?.Track == null) return;
if (current.Track.IsRunning)
current.Track.Stop();
else
current.Track.Start();
},
Children = new Drawable[]
{
playButton = new TextAwesome
{
TextSize = 30,
Icon = FontAwesome.fa_play_circle_o,
Origin = Anchor.Centre,
Anchor = Anchor.Centre
}
}
},
new ClickableContainer
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{
AutoSizeAxes = Axes.Both,
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Origin = Anchor.Centre,
Anchor = Anchor.BottomCentre,
Position = new Vector2(-30, -30),
Action = prev,
Children = new Drawable[]
{
new TextAwesome
{
TextSize = 15,
Icon = FontAwesome.fa_step_backward,
Origin = Anchor.Centre,
Anchor = Anchor.Centre
}
}
},
new ClickableContainer
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{
AutoSizeAxes = Axes.Both,
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Origin = Anchor.Centre,
Anchor = Anchor.BottomCentre,
Position = new Vector2(30, -30),
Action = next,
Children = new Drawable[]
{
new TextAwesome
{
TextSize = 15,
Icon = FontAwesome.fa_step_forward,
Origin = Anchor.Centre,
Anchor = Anchor.Centre
}
}
},
new ClickableContainer
{
AutoSizeAxes = Axes.Both,
Origin = Anchor.Centre,
Anchor = Anchor.BottomRight,
Position = new Vector2(20, -30),
Children = new Drawable[]
{
listButton = new TextAwesome
{
TextSize = 15,
Icon = FontAwesome.fa_bars,
Origin = Anchor.Centre,
Anchor = Anchor.Centre
}
}
},
progress = new DragBar
{
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
Height = 10,
Colour = colours.Yellow,
SeekRequested = seek
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}
}
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}
};
this.beatmaps = beatmaps;
trackManager = osuGame.Audio.Track;
preferUnicode = config.GetBindable<bool>(OsuConfig.ShowUnicode);
preferUnicode.ValueChanged += preferUnicode_changed;
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beatmapSource = osuGame.Beatmap ?? new Bindable<WorkingBeatmap>();
playList = beatmaps.GetAllWithChildren<BeatmapSetInfo>();
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backgroundSprite = new MusicControllerBackground();
dragContainer.Add(backgroundSprite);
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}
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protected override void LoadComplete()
{
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beatmapSource.ValueChanged += workingChanged;
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workingChanged();
base.LoadComplete();
}
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protected override void Update()
{
base.Update();
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if (current?.TrackLoaded ?? false)
{
progress.UpdatePosition((float)(current.Track.CurrentTime / current.Track.Length));
playButton.Icon = current.Track.IsRunning ? FontAwesome.fa_pause_circle_o : FontAwesome.fa_play_circle_o;
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if (current.Track.HasCompleted && !current.Track.Looping) next();
}
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}
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void preferUnicode_changed(object sender, EventArgs e)
{
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updateDisplay(current, TransformDirection.None);
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}
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private void workingChanged(object sender = null, EventArgs e = null)
{
progress.IsEnabled = (beatmapSource.Value != null);
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if (beatmapSource.Value == current) return;
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bool audioEquals = current?.BeatmapInfo.AudioEquals(beatmapSource.Value.BeatmapInfo) ?? false;
current = beatmapSource.Value;
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updateDisplay(current, audioEquals ? TransformDirection.None : TransformDirection.Next);
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appendToHistory(current.BeatmapInfo);
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}
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private void appendToHistory(BeatmapInfo beatmap)
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{
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if (playHistoryIndex >= 0)
{
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if (beatmap.AudioEquals(playHistory[playHistoryIndex]))
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return;
if (playHistoryIndex < playHistory.Count - 1)
playHistory.RemoveRange(playHistoryIndex + 1, playHistory.Count - playHistoryIndex - 1);
}
playHistory.Insert(++playHistoryIndex, beatmap);
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}
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private void prev()
{
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if (playHistoryIndex > 0)
play(playHistory[--playHistoryIndex], false);
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}
private void next()
{
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if (playHistoryIndex < playHistory.Count - 1)
play(playHistory[++playHistoryIndex], true);
else
{
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if (playList.Count == 0) return;
if (current != null && playList.Count == 1) return;
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//shuffle
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BeatmapInfo nextToPlay;
do
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{
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int j = RNG.Next(playListIndex, playList.Count);
if (j != playListIndex)
{
BeatmapSetInfo temp = playList[playListIndex];
playList[playListIndex] = playList[j];
playList[j] = temp;
}
nextToPlay = playList[playListIndex++].Beatmaps[0];
if (playListIndex == playList.Count) playListIndex = 0;
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}
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while (nextToPlay.AudioEquals(current?.BeatmapInfo));
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play(nextToPlay, true);
appendToHistory(nextToPlay);
}
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}
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private void play(BeatmapInfo info, bool isNext)
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{
current = beatmaps.GetWorkingBeatmap(info, current);
Task.Run(() =>
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{
trackManager.SetExclusive(current.Track);
current.Track.Start();
beatmapSource.Value = current;
});
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updateDisplay(current, isNext ? TransformDirection.Next : TransformDirection.Prev);
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}
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protected override void PerformLoad(BaseGame game)
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{
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this.game = game;
base.PerformLoad(game);
}
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private void updateDisplay(WorkingBeatmap beatmap, TransformDirection direction)
{
Task.Run(() =>
{
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if (beatmap?.Beatmap == null)
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//todo: we may need to display some default text here (currently in the constructor).
return;
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BeatmapMetadata metadata = beatmap.Beatmap.BeatmapInfo.Metadata;
title.Text = unicodeString(metadata.Title, metadata.TitleUnicode);
artist.Text = unicodeString(metadata.Artist, metadata.ArtistUnicode);
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});
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MusicControllerBackground newBackground;
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(newBackground = new MusicControllerBackground(beatmap)).Preload(game, delegate
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{
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dragContainer.Add(newBackground);
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switch (direction)
{
case TransformDirection.Next:
newBackground.Position = new Vector2(400, 0);
newBackground.MoveToX(0, 500, EasingTypes.OutCubic);
backgroundSprite.MoveToX(-400, 500, EasingTypes.OutCubic);
break;
case TransformDirection.Prev:
newBackground.Position = new Vector2(-400, 0);
newBackground.MoveToX(0, 500, EasingTypes.OutCubic);
backgroundSprite.MoveToX(400, 500, EasingTypes.OutCubic);
break;
}
backgroundSprite.Expire();
backgroundSprite = newBackground;
});
}
private Func<string, string, string> unicodeString;
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private void seek(float position)
{
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current?.Track?.Seek(current.Track.Length * position);
current?.Track?.Start();
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}
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protected override void Dispose(bool isDisposing)
{
if (preferUnicode != null)
preferUnicode.ValueChanged -= preferUnicode_changed;
base.Dispose(isDisposing);
}
protected override bool OnClick(InputState state) => true;
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) => true;
//placeholder for toggling
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protected override void PopIn() => FadeIn(100);
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protected override void PopOut() => FadeOut(100);
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private enum TransformDirection { None, Next, Prev }
private class MusicControllerBackground : BufferedContainer
{
private Sprite sprite;
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private WorkingBeatmap beatmap;
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public MusicControllerBackground(WorkingBeatmap beatmap = null)
{
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this.beatmap = beatmap;
CacheDrawnFrameBuffer = true;
RelativeSizeAxes = Axes.Both;
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Depth = float.MaxValue;
Children = new Drawable[]
{
sprite = new Sprite
{
Colour = OsuColour.Gray(150),
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FillMode = FillMode.Fill,
},
new Box
{
RelativeSizeAxes = Axes.X,
Height = 50,
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
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Colour = Color4.Black.Opacity(0.5f)
}
};
}
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[BackgroundDependencyLoader]
private void load(TextureStore textures)
{
sprite.Texture = beatmap?.Background ?? textures.Get(@"Backgrounds/bg4");
}
}
}
}