osu/osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableTaikoStrongableHitO...

92 lines
3.1 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.
#nullable disable
using JetBrains.Annotations;
using osu.Framework.Bindables;
using osu.Framework.Graphics.Containers;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Drawables;
using osuTK;
namespace osu.Game.Rulesets.Taiko.Objects.Drawables
{
public abstract class DrawableTaikoStrongableHitObject<TObject, TStrongNestedObject> : DrawableTaikoHitObject<TObject>
where TObject : TaikoStrongableHitObject
where TStrongNestedObject : StrongNestedHitObject
{
private readonly Bindable<bool> isStrong = new BindableBool();
private readonly Container<DrawableStrongNestedHit> strongHitContainer;
protected DrawableTaikoStrongableHitObject([CanBeNull] TObject hitObject)
: base(hitObject)
{
AddInternal(strongHitContainer = new Container<DrawableStrongNestedHit>());
}
protected override void OnApply()
{
isStrong.BindTo(HitObject.IsStrongBindable);
// this doesn't need to be run inline as RecreatePieces is called by the base call below.
isStrong.BindValueChanged(_ => Scheduler.AddOnce(RecreatePieces));
base.OnApply();
}
protected override void OnFree()
{
base.OnFree();
isStrong.UnbindFrom(HitObject.IsStrongBindable);
// ensure the next application does not accidentally overwrite samples.
isStrong.UnbindEvents();
}
protected override void RecreatePieces()
{
base.RecreatePieces();
if (HitObject.IsStrong)
Size = BaseSize = new Vector2(TaikoStrongableHitObject.DEFAULT_STRONG_SIZE);
}
protected override void AddNestedHitObject(DrawableHitObject hitObject)
{
base.AddNestedHitObject(hitObject);
switch (hitObject)
{
case DrawableStrongNestedHit strong:
strongHitContainer.Add(strong);
break;
}
}
protected override void ClearNestedHitObjects()
{
base.ClearNestedHitObjects();
strongHitContainer.Clear(false);
}
protected override DrawableHitObject CreateNestedHitObject(HitObject hitObject)
{
switch (hitObject)
{
case TStrongNestedObject strong:
return CreateStrongNestedHit(strong);
}
return base.CreateNestedHitObject(hitObject);
}
/// <summary>
/// Creates the handler for this <see cref="DrawableHitObject"/>'s <see cref="StrongNestedHitObject"/>.
/// This is only invoked if <see cref="TaikoStrongableHitObject.IsStrong"/> is true for <see cref="HitObject"/>.
/// </summary>
/// <param name="hitObject">The strong hitobject.</param>
/// <returns>The strong hitobject handler.</returns>
protected abstract DrawableStrongNestedHit CreateStrongNestedHit(TStrongNestedObject hitObject);
}
}