mirror of https://github.com/ppy/osu
75 lines
2.7 KiB
C#
75 lines
2.7 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using osu.Framework.Allocation;
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using osu.Framework.Configuration;
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using osu.Framework.Graphics;
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using osu.Framework.Screens;
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using osu.Game.Configuration;
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using osu.Game.Screens.Backgrounds;
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using OpenTK;
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namespace osu.Game.Screens.Play
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{
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public abstract class ScreenWithBeatmapBackground : OsuScreen
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{
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protected override BackgroundScreen CreateBackground() => new BackgroundScreenBeatmap(Beatmap.Value);
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protected new BackgroundScreenBeatmap Background => (BackgroundScreenBeatmap)base.Background;
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public override bool AllowBeatmapRulesetChange => false;
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protected const float BACKGROUND_FADE_DURATION = 800;
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protected float BackgroundOpacity => 1 - (float)DimLevel;
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#region User Settings
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protected Bindable<double> DimLevel;
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protected Bindable<double> BlurLevel;
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protected Bindable<bool> ShowStoryboard;
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#endregion
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[BackgroundDependencyLoader]
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private void load(OsuConfigManager config)
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{
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DimLevel = config.GetBindable<double>(OsuSetting.DimLevel);
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BlurLevel = config.GetBindable<double>(OsuSetting.BlurLevel);
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ShowStoryboard = config.GetBindable<bool>(OsuSetting.ShowStoryboard);
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}
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protected override void OnEntering(Screen last)
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{
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base.OnEntering(last);
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DimLevel.ValueChanged += _ => UpdateBackgroundElements();
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BlurLevel.ValueChanged += _ => UpdateBackgroundElements();
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ShowStoryboard.ValueChanged += _ => UpdateBackgroundElements();
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InitializeBackgroundElements();
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}
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protected override void OnResuming(Screen last)
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{
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base.OnResuming(last);
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InitializeBackgroundElements();
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}
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/// <summary>
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/// Called once on entering screen. By Default, performs a full <see cref="UpdateBackgroundElements"/> call.
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/// </summary>
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protected virtual void InitializeBackgroundElements() => UpdateBackgroundElements();
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/// <summary>
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/// Called wen background elements require updates, usually due to a user changing a setting.
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/// </summary>
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/// <param name="userChange"></param>
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protected virtual void UpdateBackgroundElements()
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{
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if (!IsCurrentScreen) return;
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Background?.FadeTo(BackgroundOpacity, BACKGROUND_FADE_DURATION, Easing.OutQuint);
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Background?.BlurTo(new Vector2((float)BlurLevel.Value * 25), BACKGROUND_FADE_DURATION, Easing.OutQuint);
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}
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}
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}
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