osu/osu.Game/Screens/Backgrounds/BackgroundScreenBeatmap.cs
2019-02-15 16:57:53 +09:00

127 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 osu.Framework.Allocation;
using osu.Framework.Configuration;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Textures;
using osu.Framework.Screens;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Graphics;
using osu.Game.Graphics.Backgrounds;
namespace osu.Game.Screens.Backgrounds
{
public class BackgroundScreenBeatmap : BlurrableBackgroundScreen
{
private WorkingBeatmap beatmap;
protected Bindable<double> DimLevel;
public Bindable<bool> UpdateDim;
protected float BackgroundOpacity => 1 - (float)DimLevel;
protected Container FadeContainer;
[BackgroundDependencyLoader]
private void load(OsuConfigManager config)
{
DimLevel = config.GetBindable<double>(OsuSetting.DimLevel);
}
public virtual WorkingBeatmap Beatmap
{
get { return beatmap; }
set
{
if (beatmap == value && beatmap != null)
return;
beatmap = value;
Schedule(() =>
{
FadeContainer = new Container { RelativeSizeAxes = Axes.Both };
LoadComponentAsync(new BeatmapBackground(beatmap), b => Schedule(() =>
{
float newDepth = 0;
if (Background != null)
{
newDepth = Background.Depth + 1;
Background.FinishTransforms();
Background.FadeOut(250);
Background.Expire();
}
b.Depth = newDepth;
FadeContainer.Child = Background = b;
InternalChild = FadeContainer;
Background.BlurSigma = BlurTarget;
}));
});
}
}
public override void OnEntering(IScreen last)
{
base.OnEntering(last);
DimLevel.ValueChanged += _ => updateBackgroundDim();
UpdateDim.ValueChanged += _ => updateBackgroundDim();
updateBackgroundDim();
}
public override void OnResuming(IScreen last)
{
base.OnResuming(last);
updateBackgroundDim();
}
public override bool OnExiting(IScreen last)
{
UpdateDim.Value = false;
return base.OnExiting(last);
}
private void updateBackgroundDim()
{
if (UpdateDim)
FadeContainer?.FadeColour(OsuColour.Gray(BackgroundOpacity), 800, Easing.OutQuint);
else
FadeContainer?.FadeColour(OsuColour.Gray(1.0f), 800, Easing.InQuint);
}
public BackgroundScreenBeatmap(WorkingBeatmap beatmap = null)
{
Beatmap = beatmap;
UpdateDim = new Bindable<bool>();
}
public void EnableUserDim()
{
UpdateDim.Value = true;
}
public override bool Equals(BackgroundScreen other)
{
var otherBeatmapBackground = other as BackgroundScreenBeatmap;
if (otherBeatmapBackground == null) return false;
return base.Equals(other) && beatmap == otherBeatmapBackground.Beatmap;
}
protected class BeatmapBackground : Background
{
private readonly WorkingBeatmap beatmap;
public BeatmapBackground(WorkingBeatmap beatmap)
{
this.beatmap = beatmap;
}
[BackgroundDependencyLoader]
private void load(TextureStore textures)
{
Sprite.Texture = beatmap?.Background ?? textures.Get(@"Backgrounds/bg1");
}
}
}
}