mirror of https://github.com/ppy/osu
48 lines
1.9 KiB
C#
48 lines
1.9 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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using System.Collections.Generic;
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using System.Linq;
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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.Objects.Drawables;
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namespace osu.Game.Rulesets.UI
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{
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public class HitObjectContainer : LifetimeManagementContainer
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{
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public IEnumerable<DrawableHitObject> Objects => InternalChildren.Cast<DrawableHitObject>().OrderBy(h => h.HitObject.StartTime);
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public IEnumerable<DrawableHitObject> AliveObjects => AliveInternalChildren.Cast<DrawableHitObject>().OrderBy(h => h.HitObject.StartTime);
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public HitObjectContainer()
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{
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RelativeSizeAxes = Axes.Both;
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}
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public virtual void Add(DrawableHitObject hitObject) => AddInternal(hitObject);
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public virtual bool Remove(DrawableHitObject hitObject) => RemoveInternal(hitObject);
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protected override int Compare(Drawable x, Drawable y)
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{
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if (!(x is DrawableHitObject xObj) || !(y is DrawableHitObject yObj))
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return base.Compare(x, y);
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// Put earlier hitobjects towards the end of the list, so they handle input first
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int i = yObj.HitObject.StartTime.CompareTo(xObj.HitObject.StartTime);
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return i == 0 ? CompareReverseChildID(x, y) : i;
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}
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protected override void OnChildLifetimeBoundaryCrossed(LifetimeBoundaryCrossedEvent e)
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{
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if (!(e.Child is DrawableHitObject hitObject))
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return;
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if ((e.Kind == LifetimeBoundaryKind.End && e.Direction == LifetimeBoundaryCrossingDirection.Forward)
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|| (e.Kind == LifetimeBoundaryKind.Start && e.Direction == LifetimeBoundaryCrossingDirection.Backward))
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{
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hitObject.OnKilled();
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}
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}
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}
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}
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