osu/osu.Game/Overlays/MusicController.cs
2016-11-07 23:06:14 +08:00

340 lines
12 KiB
C#

//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using OpenTK;
using OpenTK.Graphics;
using osu.Framework;
using osu.Framework.Audio.Track;
using osu.Framework.Configuration;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.Textures;
using osu.Framework.Graphics.Transformations;
using osu.Framework.Input;
using osu.Framework.MathUtils;
using osu.Game.Beatmaps;
using osu.Game.Database;
using osu.Game.Graphics;
namespace osu.Game.Overlays
{
public class MusicController : OverlayContainer
{
private Sprite backgroundSprite;
private DragBar progress;
private TextAwesome playButton, listButton;
private SpriteText title, artist;
private Texture fallbackTexture;
private List<BeatmapSetInfo> playList;
private List<BeatmapInfo> playHistory = new List<BeatmapInfo>();
private int playListIndex;
private int playHistoryIndex = -1;
private TrackManager trackManager;
private BeatmapDatabase database;
private Bindable<WorkingBeatmap> beatmapSource;
private WorkingBeatmap current;
public MusicController(BeatmapDatabase db = null)
{
database = db;
Width = 400;
Height = 130;
CornerRadius = 5;
Masking = true;
Anchor = Anchor.TopRight;//placeholder
Origin = Anchor.TopRight;
Position = new Vector2(10, 60);
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = new Color4(0, 0, 0, 127)
},
title = new SpriteText
{
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 SpriteText
{
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 Box
{
RelativeSizeAxes = Axes.X,
Height = 50,
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
Colour = new Color4(0, 0, 0, 127)
},
new ClickableContainer
{
AutoSizeAxes = Axes.Both,
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
{
AutoSizeAxes = Axes.Both,
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
{
AutoSizeAxes = Axes.Both,
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 = Color4.Orange,
SeekRequested = seek
}
};
}
protected override void Load(BaseGame game)
{
base.Load(game);
var osuGame = game as OsuGameBase;
if (osuGame != null)
{
if (database == null) database = osuGame.Beatmaps;
trackManager = osuGame.Audio.Track;
}
beatmapSource = osuGame?.Beatmap ?? new Bindable<WorkingBeatmap>();
playList = database.GetAllWithChildren<BeatmapSetInfo>();
backgroundSprite = getScaledSprite(fallbackTexture = game.Textures.Get(@"Backgrounds/bg4"));
AddInternal(backgroundSprite);
}
protected override void LoadComplete()
{
beatmapSource.ValueChanged += workingChanged;
workingChanged();
base.LoadComplete();
}
protected override void Update()
{
base.Update();
if (current?.Track == null) return;
progress.UpdatePosition((float)(current.Track.CurrentTime / current.Track.Length));
playButton.Icon = current.Track.IsRunning ? FontAwesome.fa_pause_circle_o : FontAwesome.fa_play_circle_o;
if (current.Track.HasCompleted && !current.Track.Looping) next();
}
private void workingChanged(object sender = null, EventArgs e = null)
{
if (beatmapSource.Value == current) return;
bool audioEquals = current?.BeatmapInfo.AudioEquals(beatmapSource.Value.BeatmapInfo) ?? false;
current = beatmapSource.Value;
updateDisplay(current, audioEquals ? null : (bool?)true);
appendToHistory(current.BeatmapInfo);
}
private void appendToHistory(BeatmapInfo beatmap)
{
if (playHistoryIndex >= 0)
{
if (beatmap.AudioEquals(playHistory[playHistoryIndex]))
return;
if (playHistoryIndex < playHistory.Count - 1)
playHistory.RemoveRange(playHistoryIndex + 1, playHistory.Count - playHistoryIndex - 1);
}
playHistory.Insert(++playHistoryIndex, beatmap);
}
private void prev()
{
if (playHistoryIndex > 0)
play(playHistory[--playHistoryIndex], false);
}
private void next()
{
if (playHistoryIndex < playHistory.Count - 1)
play(playHistory[++playHistoryIndex], true);
else
{
if (playList.Count == 0) return;
if (current != null && playList.Count == 1) return;
//shuffle
BeatmapInfo nextToPlay;
do
{
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;
}
while (current?.BeatmapInfo.AudioEquals(nextToPlay) == true);
play(nextToPlay, true);
appendToHistory(nextToPlay);
}
}
private void play(BeatmapInfo info, bool isNext)
{
current = database.GetWorkingBeatmap(info, current);
Task.Run(() =>
{
trackManager.SetExclusive(current.Track);
current.Track.Start();
beatmapSource.Value = current;
});
updateDisplay(current, isNext);
}
private void updateDisplay(WorkingBeatmap beatmap, bool? isNext)
{
BeatmapMetadata metadata = beatmap.Beatmap.Metadata;
title.Text = metadata.TitleUnicode ?? metadata.Title;
artist.Text = metadata.ArtistUnicode ?? metadata.Artist;
Sprite newBackground = getScaledSprite(beatmap.Background ?? fallbackTexture);
Add(newBackground);
if (isNext == true)
{
newBackground.Position = new Vector2(400, 0);
newBackground.MoveToX(0, 500, EasingTypes.OutCubic);
backgroundSprite.MoveToX(-400, 500, EasingTypes.OutCubic);
}
else if (isNext == false)
{
newBackground.Position = new Vector2(-400, 0);
newBackground.MoveToX(0, 500, EasingTypes.OutCubic);
backgroundSprite.MoveToX(400, 500, EasingTypes.OutCubic);
}
backgroundSprite.Expire();
backgroundSprite = newBackground;
}
private Sprite getScaledSprite(Texture background)
{
Sprite scaledSprite = new Sprite
{
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
Texture = background,
Depth = float.MinValue
};
scaledSprite.Scale = new Vector2(Math.Max(DrawSize.X / scaledSprite.DrawSize.X, DrawSize.Y / scaledSprite.DrawSize.Y));
return scaledSprite;
}
private void seek(float position)
{
current?.Track?.Seek(current.Track.Length * position);
current?.Track?.Start();
}
protected override bool OnClick(InputState state) => true;
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) => true;
protected override bool OnDragStart(InputState state) => true;
//placeholder for toggling
protected override void PopIn() => FadeIn(100);
protected override void PopOut() => FadeOut(100);
}
}