// 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 partial class TimelinePart : TimelinePart<Drawable> { } /// <summary> /// Represents a part of the summary timeline.. /// </summary> public partial class TimelinePart<T> : Container<T> where T : Drawable { private readonly IBindable<WorkingBeatmap> beatmap = new Bindable<WorkingBeatmap>(); [Resolved] protected EditorBeatmap EditorBeatmap { get; private set; } = null!; 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 += _ => { 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() { // If the track is not loaded, assign a default sane length otherwise relative positioning becomes meaningless. double trackLength = beatmap.Value.Track.IsLoaded ? beatmap.Value.Track.Length : 60000; content.RelativeChildSize = new Vector2((float)Math.Max(1, trackLength), 1); // The track may not be loaded completely (only has a length once it is). if (!beatmap.Value.Track.IsLoaded) Schedule(updateRelativeChildSize); } protected virtual void LoadBeatmap(EditorBeatmap beatmap) { content.Clear(); } } }