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osu-lazer/osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/TimelinePart.cs
2021-01-25 18:44:36 +09:00

75 lines
2.2 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using osu.Framework.Allocation;
using osu.Framework.Audio.Track;
using osu.Framework.Bindables;
using osuTK;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Beatmaps;
namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
{
public class TimelinePart : TimelinePart<Drawable>
{
}
/// <summary>
/// Represents a part of the summary timeline..
/// </summary>
public class TimelinePart<T> : Container<T> where T : Drawable
{
private readonly IBindable<WorkingBeatmap> beatmap = new Bindable<WorkingBeatmap>();
[Resolved]
protected EditorBeatmap EditorBeatmap { get; private set; }
protected readonly IBindable<Track> Track = new Bindable<Track>();
private readonly Container<T> content;
protected override Container<T> Content => content;
public TimelinePart(Container<T> content = null)
{
AddInternal(this.content = content ?? new Container<T> { RelativeSizeAxes = Axes.Both });
beatmap.ValueChanged += b =>
{
updateRelativeChildSize();
};
Track.ValueChanged += _ => updateRelativeChildSize();
}
[BackgroundDependencyLoader]
private void load(IBindable<WorkingBeatmap> beatmap, EditorClock clock)
{
this.beatmap.BindTo(beatmap);
LoadBeatmap(EditorBeatmap);
Track.BindTo(clock.Track);
}
private void updateRelativeChildSize()
{
// the track may not be loaded completely (only has a length once it is).
if (!beatmap.Value.Track.IsLoaded)
{
content.RelativeChildSize = Vector2.One;
Schedule(updateRelativeChildSize);
return;
}
content.RelativeChildSize = new Vector2((float)Math.Max(1, beatmap.Value.Track.Length), 1);
}
protected virtual void LoadBeatmap(EditorBeatmap beatmap)
{
content.Clear();
}
}
}