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79 lines
2.6 KiB
C#
79 lines
2.6 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable disable
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using osu.Framework.Allocation;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Game.Rulesets.Edit;
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using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Objects.Types;
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namespace osu.Game.Screens.Edit.Compose.Components
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{
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/// <summary>
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/// A container for <see cref="SelectionBlueprint{HitObject}"/> ordered by their <see cref="HitObject"/> start times.
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/// </summary>
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public sealed class HitObjectOrderedSelectionContainer : Container<SelectionBlueprint<HitObject>>
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{
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[Resolved]
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private EditorBeatmap editorBeatmap { get; set; }
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protected override void LoadComplete()
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{
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base.LoadComplete();
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editorBeatmap.HitObjectUpdated += hitObjectUpdated;
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}
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private void hitObjectUpdated(HitObject _) => SortInternal();
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public override void Add(SelectionBlueprint<HitObject> drawable)
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{
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SortInternal();
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base.Add(drawable);
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}
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public override bool Remove(SelectionBlueprint<HitObject> drawable)
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{
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SortInternal();
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return base.Remove(drawable);
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}
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protected override int Compare(Drawable x, Drawable y)
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{
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var xObj = ((SelectionBlueprint<HitObject>)x).Item;
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var yObj = ((SelectionBlueprint<HitObject>)y).Item;
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// Put earlier blueprints towards the end of the list, so they handle input first
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int result = yObj.StartTime.CompareTo(xObj.StartTime);
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if (result != 0) return result;
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// Fall back to end time if the start time is equal.
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result = yObj.GetEndTime().CompareTo(xObj.GetEndTime());
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if (result != 0) return result;
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// As a final fallback, use combo information if available.
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if (xObj is IHasComboInformation xHasCombo && yObj is IHasComboInformation yHasCombo)
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{
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result = yHasCombo.ComboIndex.CompareTo(xHasCombo.ComboIndex);
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if (result != 0) return result;
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result = yHasCombo.IndexInCurrentCombo.CompareTo(xHasCombo.IndexInCurrentCombo);
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if (result != 0) return result;
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}
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return CompareReverseChildID(y, x);
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}
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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if (editorBeatmap != null)
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editorBeatmap.HitObjectUpdated -= hitObjectUpdated;
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}
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}
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}
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