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osu-lazer/osu.Game/Graphics/Containers/UserDimContainer.cs
2022-06-17 16:37:17 +09:00

109 lines
4.1 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 System;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Configuration;
using osu.Game.Screens.Play;
namespace osu.Game.Graphics.Containers
{
/// <summary>
/// A container that applies user-configured visual settings to its contents.
/// </summary>
public abstract class UserDimContainer : Container
{
/// <summary>
/// Amount of lightening to apply to current dim level during break times.
/// </summary>
public const float BREAK_LIGHTEN_AMOUNT = 0.3f;
protected const double BACKGROUND_FADE_DURATION = 800;
/// <summary>
/// Whether or not user-configured settings relating to brightness of elements should be ignored
/// </summary>
public readonly Bindable<bool> IgnoreUserSettings = new Bindable<bool>();
/// <summary>
/// Whether or not the storyboard loaded should completely hide the background behind it.
/// </summary>
public readonly Bindable<bool> StoryboardReplacesBackground = new Bindable<bool>();
/// <summary>
/// Whether player is in break time.
/// Must be bound to <see cref="BreakTracker.IsBreakTime"/> to allow for dim adjustments in gameplay.
/// </summary>
public readonly IBindable<bool> IsBreakTime = new Bindable<bool>();
/// <summary>
/// Whether the content of this container is currently being displayed.
/// </summary>
public bool ContentDisplayed { get; private set; }
protected Bindable<double> UserDimLevel { get; private set; }
protected Bindable<bool> LightenDuringBreaks { get; private set; }
protected Bindable<bool> ShowStoryboard { get; private set; }
private float breakLightening => LightenDuringBreaks.Value && IsBreakTime.Value ? BREAK_LIGHTEN_AMOUNT : 0;
protected float DimLevel => Math.Max(!IgnoreUserSettings.Value ? (float)UserDimLevel.Value - breakLightening : 0, 0);
protected override Container<Drawable> Content => dimContent;
private Container dimContent { get; }
/// <summary>
/// Creates a new <see cref="UserDimContainer"/>.
/// </summary>
protected UserDimContainer()
{
AddInternal(dimContent = new Container { RelativeSizeAxes = Axes.Both });
}
[BackgroundDependencyLoader]
private void load(OsuConfigManager config)
{
UserDimLevel = config.GetBindable<double>(OsuSetting.DimLevel);
LightenDuringBreaks = config.GetBindable<bool>(OsuSetting.LightenDuringBreaks);
ShowStoryboard = config.GetBindable<bool>(OsuSetting.ShowStoryboard);
UserDimLevel.ValueChanged += _ => UpdateVisuals();
LightenDuringBreaks.ValueChanged += _ => UpdateVisuals();
IsBreakTime.ValueChanged += _ => UpdateVisuals();
ShowStoryboard.ValueChanged += _ => UpdateVisuals();
StoryboardReplacesBackground.ValueChanged += _ => UpdateVisuals();
IgnoreUserSettings.ValueChanged += _ => UpdateVisuals();
}
protected override void LoadComplete()
{
base.LoadComplete();
UpdateVisuals();
}
/// <summary>
/// Whether the content of this container should currently be visible.
/// </summary>
protected virtual bool ShowDimContent => true;
/// <summary>
/// Should be invoked when any dependent dim level or user setting is changed and bring the visual state up-to-date.
/// </summary>
protected virtual void UpdateVisuals()
{
ContentDisplayed = ShowDimContent;
dimContent.FadeTo(ContentDisplayed ? 1 : 0, BACKGROUND_FADE_DURATION, Easing.OutQuint);
dimContent.FadeColour(OsuColour.Gray(1f - DimLevel), BACKGROUND_FADE_DURATION, Easing.OutQuint);
}
}
}