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osu-lazer/osu.Game/Overlays/MusicController.cs
2017-05-16 12:50:30 +09:00

517 lines
19 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using OpenTK;
using OpenTK.Graphics;
using osu.Framework.Allocation;
using osu.Framework.Configuration;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.Textures;
using osu.Framework.Input;
using osu.Framework.Localisation;
using osu.Game.Beatmaps;
using osu.Game.Database;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Framework.Threading;
using osu.Game.Overlays.Music;
namespace osu.Game.Overlays
{
public class MusicController : FocusedOverlayContainer
{
private const float player_height = 130;
private const float transition_length = 800;
private const float progress_height = 10;
private const float bottom_black_area_height = 55;
private Drawable currentBackground;
private DragBar progressBar;
private Button playButton;
private Button playlistButton;
private SpriteText title, artist;
private PlaylistOverlay playlist;
private LocalisationEngine localisation;
private readonly Bindable<WorkingBeatmap> beatmapBacking = new Bindable<WorkingBeatmap>();
private Container dragContainer;
private Container playerContainer;
public MusicController()
{
Width = 400;
Margin = new MarginPadding(10);
}
protected override bool OnDragStart(InputState state) => true;
protected override bool OnDrag(InputState state)
{
Trace.Assert(state.Mouse.PositionMouseDown != null, "state.Mouse.PositionMouseDown != null");
Vector2 change = state.Mouse.Position - state.Mouse.PositionMouseDown.Value;
// Diminish the drag distance as we go further to simulate "rubber band" feeling.
change *= change.Length <= 0 ? 0 : (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 game, OsuColour colours, LocalisationEngine localisation)
{
this.localisation = localisation;
Children = new Drawable[]
{
dragContainer = new Container
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Children = new Drawable[]
{
playlist = new PlaylistOverlay
{
RelativeSizeAxes = Axes.X,
Y = player_height + 10,
},
playerContainer = new Container
{
RelativeSizeAxes = Axes.X,
Height = player_height,
Masking = true,
CornerRadius = 5,
EdgeEffect = new EdgeEffect
{
Type = EdgeEffectType.Shadow,
Colour = Color4.Black.Opacity(40),
Radius = 5,
},
Children = new[]
{
currentBackground = new Background(),
title = new OsuSpriteText
{
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
{
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
Position = new Vector2(0, 45),
TextSize = 15,
Colour = Color4.White,
Text = @"Nothing to play",
Font = @"Exo2.0-BoldItalic"
},
new Container
{
Padding = new MarginPadding { Bottom = progress_height },
Height = bottom_black_area_height,
RelativeSizeAxes = Axes.X,
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
Children = new Drawable[]
{
new FillFlowContainer<Button>
{
AutoSizeAxes = Axes.Both,
Direction = FillDirection.Horizontal,
Spacing = new Vector2(5),
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
Children = new[]
{
new Button
{
Action = prev,
Icon = FontAwesome.fa_step_backward,
},
playButton = new Button
{
Scale = new Vector2(1.4f),
IconScale = new Vector2(1.4f),
Action = play,
Icon = FontAwesome.fa_play_circle_o,
},
new Button
{
Action = next,
Icon = FontAwesome.fa_step_forward,
},
}
},
playlistButton = new Button
{
Origin = Anchor.Centre,
Anchor = Anchor.CentreRight,
Position = new Vector2(-bottom_black_area_height / 2, 0),
Icon = FontAwesome.fa_bars,
Action = () => playlist.ToggleVisibility(),
},
}
},
progressBar = new DragBar
{
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
Height = progress_height,
Colour = colours.Yellow,
SeekRequested = seek
}
},
},
}
}
};
beatmapBacking.BindTo(game.Beatmap);
playlist.StateChanged += (c, s) => playlistButton.FadeColour(s == Visibility.Visible ? colours.Yellow : Color4.White, 200, EasingTypes.OutQuint);
}
protected override void LoadComplete()
{
beatmapBacking.ValueChanged += beatmapChanged;
beatmapBacking.TriggerChange();
base.LoadComplete();
}
protected override void UpdateAfterChildren()
{
base.UpdateAfterChildren();
Height = dragContainer.Height;
}
protected override void Update()
{
base.Update();
if (current?.TrackLoaded ?? false)
{
var track = current.Track;
progressBar.UpdatePosition(track.Length == 0 ? 0 : (float)(track.CurrentTime / track.Length));
playButton.Icon = track.IsRunning ? FontAwesome.fa_pause_circle_o : FontAwesome.fa_play_circle_o;
if (track.HasCompleted && !track.Looping) next();
}
else
playButton.Icon = FontAwesome.fa_play_circle_o;
}
private void play()
{
var track = current?.Track;
if (track == null)
{
playlist.PlayNext();
return;
}
if (track.IsRunning)
track.Stop();
else
track.Start();
}
private void prev()
{
queuedDirection = TransformDirection.Prev;
playlist.PlayPrevious();
}
private void next()
{
queuedDirection = TransformDirection.Next;
playlist.PlayNext();
}
private WorkingBeatmap current;
private TransformDirection? queuedDirection;
private void beatmapChanged(WorkingBeatmap beatmap)
{
progressBar.IsEnabled = beatmap != null;
bool audioEquals = beatmapBacking.Value?.BeatmapInfo?.AudioEquals(current?.BeatmapInfo) ?? false;
TransformDirection direction;
if (audioEquals)
direction = TransformDirection.None;
else if (queuedDirection.HasValue)
{
direction = queuedDirection.Value;
queuedDirection = null;
}
else
{
//figure out the best direction based on order in playlist.
var last = current == null ? -1 : playlist.BeatmapSets.TakeWhile(b => b.ID != current.BeatmapSetInfo.ID).Count();
var next = beatmapBacking.Value == null ? -1 : playlist.BeatmapSets.TakeWhile(b => b.ID != beatmapBacking.Value.BeatmapSetInfo.ID).Count();
direction = last > next ? TransformDirection.Prev : TransformDirection.Next;
}
current = beatmapBacking.Value;
updateDisplay(beatmapBacking, direction);
queuedDirection = null;
}
private ScheduledDelegate pendingBeatmapSwitch;
private void updateDisplay(WorkingBeatmap beatmap, TransformDirection direction)
{
//we might be off-screen when this update comes in.
//rather than Scheduling, manually handle this to avoid possible memory contention.
pendingBeatmapSwitch?.Cancel();
pendingBeatmapSwitch = Schedule(delegate
{
Task.Run(() =>
{
if (beatmap?.Beatmap == null) //this is not needed if a placeholder exists
{
title.Current = null;
title.Text = @"Nothing to play";
artist.Current = null;
artist.Text = @"Nothing to play";
}
else
{
BeatmapMetadata metadata = beatmap.Metadata;
title.Current = localisation.GetUnicodePreference(metadata.TitleUnicode, metadata.Title);
artist.Current = localisation.GetUnicodePreference(metadata.ArtistUnicode, metadata.Artist);
}
});
playerContainer.Add(new AsyncLoadWrapper(new Background(beatmap)
{
OnLoadComplete = d =>
{
switch (direction)
{
case TransformDirection.Next:
d.Position = new Vector2(400, 0);
d.MoveToX(0, 500, EasingTypes.OutCubic);
currentBackground.MoveToX(-400, 500, EasingTypes.OutCubic);
break;
case TransformDirection.Prev:
d.Position = new Vector2(-400, 0);
d.MoveToX(0, 500, EasingTypes.OutCubic);
currentBackground.MoveToX(400, 500, EasingTypes.OutCubic);
break;
}
currentBackground.Expire();
currentBackground = d;
}
})
{
Depth = float.MaxValue,
});
});
}
private void seek(float position)
{
var track = current?.Track;
track?.Seek(track.Length * position);
}
protected override void PopIn()
{
base.PopIn();
FadeIn(transition_length, EasingTypes.OutQuint);
dragContainer.ScaleTo(1, transition_length, EasingTypes.OutElastic);
}
protected override void PopOut()
{
base.PopOut();
FadeOut(transition_length, EasingTypes.OutQuint);
dragContainer.ScaleTo(0.9f, transition_length, EasingTypes.OutQuint);
}
private enum TransformDirection
{
None,
Next,
Prev
}
private class Background : BufferedContainer
{
private readonly Sprite sprite;
private readonly WorkingBeatmap beatmap;
public Background(WorkingBeatmap beatmap = null)
{
this.beatmap = beatmap;
CacheDrawnFrameBuffer = true;
Depth = float.MaxValue;
RelativeSizeAxes = Axes.Both;
Children = new Drawable[]
{
sprite = new Sprite
{
Colour = OsuColour.Gray(150),
FillMode = FillMode.Fill,
},
new Box
{
RelativeSizeAxes = Axes.X,
Height = bottom_black_area_height,
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
Colour = Color4.Black.Opacity(0.5f)
}
};
}
[BackgroundDependencyLoader]
private void load(TextureStore textures)
{
sprite.Texture = beatmap?.Background ?? textures.Get(@"Backgrounds/bg4");
}
}
private class Button : ClickableContainer
{
private readonly TextAwesome icon;
private readonly Box hover;
private readonly Container content;
public FontAwesome Icon
{
get { return icon.Icon; }
set { icon.Icon = value; }
}
private const float button_size = 30;
private Color4 flashColour;
public Vector2 IconScale
{
get { return icon.Scale; }
set { icon.Scale = value; }
}
public Button()
{
AutoSizeAxes = Axes.Both;
Origin = Anchor.Centre;
Anchor = Anchor.Centre;
Children = new Drawable[]
{
content = new Container
{
Size = new Vector2(button_size),
CornerRadius = 5,
Masking = true,
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
EdgeEffect = new EdgeEffect
{
Colour = Color4.Black.Opacity(0.04f),
Type = EdgeEffectType.Shadow,
Radius = 5,
},
Children = new Drawable[]
{
hover = new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
},
icon = new TextAwesome
{
TextSize = 18,
Origin = Anchor.Centre,
Anchor = Anchor.Centre
}
}
}
};
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
hover.Colour = colours.Yellow.Opacity(0.6f);
flashColour = colours.Yellow;
}
protected override bool OnHover(InputState state)
{
hover.FadeIn(500, EasingTypes.OutQuint);
return base.OnHover(state);
}
protected override void OnHoverLost(InputState state)
{
hover.FadeOut(500, EasingTypes.OutQuint);
base.OnHoverLost(state);
}
protected override bool OnClick(InputState state)
{
hover.FlashColour(flashColour, 800, EasingTypes.OutQuint);
return base.OnClick(state);
}
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
{
content.ScaleTo(0.75f, 2000, EasingTypes.OutQuint);
return base.OnMouseDown(state, args);
}
protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
{
content.ScaleTo(1, 1000, EasingTypes.OutElastic);
return base.OnMouseUp(state, args);
}
}
}
}