mirror of
https://github.com/ppy/osu.git
synced 2024-12-25 05:53:05 +08:00
92 lines
2.8 KiB
C#
92 lines
2.8 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.Collections.Specialized;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Caching;
|
|
using osu.Game.Beatmaps.Timing;
|
|
using osu.Game.Screens.Edit.Components.Timelines.Summary.Parts;
|
|
|
|
namespace osu.Game.Screens.Edit.Compose.Components.Timeline
|
|
{
|
|
public partial class TimelineBreakDisplay : TimelinePart<TimelineBreak>
|
|
{
|
|
[Resolved]
|
|
private Timeline timeline { get; set; } = null!;
|
|
|
|
[Resolved]
|
|
private IEditorChangeHandler? editorChangeHandler { get; set; }
|
|
|
|
/// <summary>
|
|
/// The visible time/position range of the timeline.
|
|
/// </summary>
|
|
private (float min, float max) visibleRange = (float.MinValue, float.MaxValue);
|
|
|
|
private readonly Cached breakCache = new Cached();
|
|
|
|
private readonly BindableList<BreakPeriod> breaks = new BindableList<BreakPeriod>();
|
|
|
|
protected override void LoadBeatmap(EditorBeatmap beatmap)
|
|
{
|
|
base.LoadBeatmap(beatmap);
|
|
|
|
breaks.UnbindAll();
|
|
breaks.BindTo(beatmap.Breaks);
|
|
breaks.BindCollectionChanged((_, e) =>
|
|
{
|
|
if (e.Action != NotifyCollectionChangedAction.Replace)
|
|
breakCache.Invalidate();
|
|
});
|
|
}
|
|
|
|
protected override void Update()
|
|
{
|
|
base.Update();
|
|
|
|
if (DrawWidth <= 0) return;
|
|
|
|
(float, float) newRange = (
|
|
(ToLocalSpace(timeline.ScreenSpaceDrawQuad.TopLeft).X) / DrawWidth * Content.RelativeChildSize.X,
|
|
(ToLocalSpace(timeline.ScreenSpaceDrawQuad.TopRight).X) / DrawWidth * Content.RelativeChildSize.X);
|
|
|
|
if (visibleRange != newRange)
|
|
{
|
|
visibleRange = newRange;
|
|
breakCache.Invalidate();
|
|
}
|
|
|
|
if (!breakCache.IsValid)
|
|
{
|
|
recreateBreaks();
|
|
breakCache.Validate();
|
|
}
|
|
}
|
|
|
|
private void recreateBreaks()
|
|
{
|
|
Clear();
|
|
|
|
for (int i = 0; i < breaks.Count; i++)
|
|
{
|
|
var breakPeriod = breaks[i];
|
|
|
|
if (!shouldBeVisible(breakPeriod))
|
|
continue;
|
|
|
|
Add(new TimelineBreak(breakPeriod)
|
|
{
|
|
OnDeleted = b =>
|
|
{
|
|
editorChangeHandler?.BeginChange();
|
|
breaks.Remove(b);
|
|
editorChangeHandler?.EndChange();
|
|
},
|
|
});
|
|
}
|
|
}
|
|
|
|
private bool shouldBeVisible(BreakPeriod breakPeriod) => breakPeriod.EndTime >= visibleRange.min && breakPeriod.StartTime <= visibleRange.max;
|
|
}
|
|
}
|