mirror of https://github.com/ppy/osu
118 lines
4.0 KiB
C#
118 lines
4.0 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 System;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Extensions.Color4Extensions;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.Graphics.Colour;
|
|
using osu.Framework.Graphics.Containers;
|
|
using osu.Framework.Graphics.Shapes;
|
|
using osu.Framework.Utils;
|
|
using osu.Game.Configuration;
|
|
using osu.Game.Graphics;
|
|
using osu.Game.Rulesets.Scoring;
|
|
using osuTK.Graphics;
|
|
|
|
namespace osu.Game.Screens.Play.HUD
|
|
{
|
|
/// <summary>
|
|
/// An overlay layer on top of the playfield which fades to red when the current player health falls below a certain threshold defined by <see cref="LowHealthThreshold"/>.
|
|
/// </summary>
|
|
public class FailingLayer : HealthDisplay
|
|
{
|
|
private const float max_alpha = 0.4f;
|
|
private const int fade_time = 400;
|
|
private const float gradient_size = 0.3f;
|
|
|
|
/// <summary>
|
|
/// The threshold under which the current player life should be considered low and the layer should start fading in.
|
|
/// </summary>
|
|
public double LowHealthThreshold = 0.20f;
|
|
|
|
private readonly Bindable<bool> enabled = new Bindable<bool>();
|
|
private readonly Container boxes;
|
|
|
|
private Bindable<bool> configEnabled;
|
|
private HealthProcessor healthProcessor;
|
|
|
|
public FailingLayer()
|
|
{
|
|
RelativeSizeAxes = Axes.Both;
|
|
Children = new Drawable[]
|
|
{
|
|
boxes = new Container
|
|
{
|
|
Alpha = 0,
|
|
Blending = BlendingParameters.Additive,
|
|
RelativeSizeAxes = Axes.Both,
|
|
Children = new Drawable[]
|
|
{
|
|
new Box
|
|
{
|
|
RelativeSizeAxes = Axes.Both,
|
|
Colour = ColourInfo.GradientVertical(Color4.White, Color4.White.Opacity(0)),
|
|
Height = gradient_size,
|
|
},
|
|
new Box
|
|
{
|
|
RelativeSizeAxes = Axes.Both,
|
|
Height = gradient_size,
|
|
Colour = ColourInfo.GradientVertical(Color4.White.Opacity(0), Color4.White),
|
|
Anchor = Anchor.BottomLeft,
|
|
Origin = Anchor.BottomLeft,
|
|
},
|
|
}
|
|
},
|
|
};
|
|
}
|
|
|
|
[BackgroundDependencyLoader]
|
|
private void load(OsuColour color, OsuConfigManager config)
|
|
{
|
|
boxes.Colour = color.Red;
|
|
|
|
configEnabled = config.GetBindable<bool>(OsuSetting.FadePlayfieldWhenHealthLow);
|
|
enabled.BindValueChanged(e => this.FadeTo(e.NewValue ? 1 : 0, fade_time, Easing.OutQuint), true);
|
|
}
|
|
|
|
protected override void LoadComplete()
|
|
{
|
|
base.LoadComplete();
|
|
updateBindings();
|
|
}
|
|
|
|
public override void BindHealthProcessor(HealthProcessor processor)
|
|
{
|
|
base.BindHealthProcessor(processor);
|
|
|
|
healthProcessor = processor;
|
|
updateBindings();
|
|
}
|
|
|
|
private void updateBindings()
|
|
{
|
|
if (LoadState < LoadState.Ready)
|
|
return;
|
|
|
|
enabled.UnbindBindings();
|
|
|
|
// Don't display ever if the ruleset is not using a draining health display.
|
|
if (healthProcessor is DrainingHealthProcessor)
|
|
enabled.BindTo(configEnabled);
|
|
else
|
|
enabled.Value = false;
|
|
}
|
|
|
|
protected override void Update()
|
|
{
|
|
double target = Math.Clamp(max_alpha * (1 - Current.Value / LowHealthThreshold), 0, max_alpha);
|
|
|
|
boxes.Alpha = (float)Interpolation.Lerp(boxes.Alpha, target, Clock.ElapsedFrameTime * 0.01f);
|
|
|
|
base.Update();
|
|
}
|
|
}
|
|
}
|