osu/osu.Game/Screens/Play/HUD/HealthDisplay.cs

67 lines
2.1 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.
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Scoring;
using osu.Game.Rulesets.UI;
namespace osu.Game.Screens.Play.HUD
{
/// <summary>
/// A container for components displaying the current player health.
/// Gets bound automatically to the <see cref="Rulesets.Scoring.HealthProcessor"/> when inserted to <see cref="DrawableRuleset.Overlays"/> hierarchy.
/// </summary>
public abstract class HealthDisplay : CompositeDrawable
{
private readonly Bindable<bool> showHealthBar = new Bindable<bool>(true);
[Resolved]
protected HealthProcessor HealthProcessor { get; private set; }
public Bindable<double> Current { get; } = new BindableDouble(1)
{
MinValue = 0,
MaxValue = 1
};
protected virtual void Flash(JudgementResult result)
{
}
[Resolved(canBeNull: true)]
private HUDOverlay hudOverlay { get; set; }
protected override void LoadComplete()
{
base.LoadComplete();
Current.BindTo(HealthProcessor.Health);
HealthProcessor.NewJudgement += onNewJudgement;
if (hudOverlay != null)
showHealthBar.BindTo(hudOverlay.ShowHealthBar);
// this probably shouldn't be operating on `this.`
showHealthBar.BindValueChanged(healthBar => this.FadeTo(healthBar.NewValue ? 1 : 0, HUDOverlay.FADE_DURATION, HUDOverlay.FADE_EASING), true);
}
private void onNewJudgement(JudgementResult judgement)
{
if (judgement.IsHit && judgement.Type != HitResult.IgnoreHit)
Flash(judgement);
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
if (HealthProcessor != null)
HealthProcessor.NewJudgement -= onNewJudgement;
}
}
}