osu/osu.Game.Rulesets.Taiko/Objects/Hit.cs

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// 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.
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using System.Linq;
using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Game.Audio;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osuTK.Graphics;
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namespace osu.Game.Rulesets.Taiko.Objects
{
public class Hit : TaikoStrongableHitObject, IHasDisplayColour
{
private HitObjectProperty<HitType> type;
public Bindable<HitType> TypeBindable => type.Bindable;
/// <summary>
/// The <see cref="HitType"/> that actuates this <see cref="Hit"/>.
/// </summary>
public HitType Type
{
get => type.Value;
set => type.Value = value;
}
public Bindable<Color4> DisplayColour { get; } = new Bindable<Color4>(COLOUR_CENTRE);
public static readonly Color4 COLOUR_CENTRE = Color4Extensions.FromHex(@"bb1177");
public static readonly Color4 COLOUR_RIM = Color4Extensions.FromHex(@"2299bb");
public Hit()
{
TypeBindable.BindValueChanged(_ =>
{
updateSamplesFromType();
DisplayColour.Value = Type == HitType.Centre ? COLOUR_CENTRE : COLOUR_RIM;
});
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SamplesBindable.BindCollectionChanged((_, _) => updateTypeFromSamples());
}
private void updateTypeFromSamples()
{
Type = getRimSamples().Any() ? HitType.Rim : HitType.Centre;
}
/// <summary>
/// Returns an array of any samples which would cause this object to be a "rim" type hit.
/// </summary>
private HitSampleInfo[] getRimSamples() => Samples.Where(s => s.Name == HitSampleInfo.HIT_CLAP || s.Name == HitSampleInfo.HIT_WHISTLE).ToArray();
private void updateSamplesFromType()
{
var rimSamples = getRimSamples();
bool isRimType = Type == HitType.Rim;
if (isRimType != rimSamples.Any())
{
if (isRimType)
Samples.Add(CreateHitSampleInfo(HitSampleInfo.HIT_CLAP));
else
{
foreach (var sample in rimSamples)
Samples.Remove(sample);
}
}
}
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protected override StrongNestedHitObject CreateStrongNestedHit(double startTime) => new StrongNestedHit(this)
{
StartTime = startTime,
Samples = Samples
};
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public class StrongNestedHit : StrongNestedHitObject
{
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public StrongNestedHit(TaikoHitObject parent)
: base(parent)
{
}
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}
}
}