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osu-lazer/osu.Game/Overlays/DialogOverlay.cs

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// 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.
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Overlays.Dialog;
using osu.Game.Graphics.Containers;
using osu.Game.Input.Bindings;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Audio;
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using osu.Framework.Input.Events;
using osu.Game.Audio.Effects;
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namespace osu.Game.Overlays
{
public class DialogOverlay : OsuFocusedOverlayContainer
{
private readonly Container dialogContainer;
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protected override string PopInSampleName => "UI/dialog-pop-in";
protected override string PopOutSampleName => "UI/dialog-pop-out";
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private AudioFilter lowPassFilter;
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public PopupDialog CurrentDialog { get; private set; }
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public DialogOverlay()
{
RelativeSizeAxes = Axes.Both;
Child = dialogContainer = new Container
{
RelativeSizeAxes = Axes.Both,
};
Width = 0.4f;
Anchor = Anchor.BottomCentre;
Origin = Anchor.BottomCentre;
}
[BackgroundDependencyLoader]
private void load(AudioManager audio)
{
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AddInternal(lowPassFilter = new AudioFilter(audio.TrackMixer));
}
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public void Push(PopupDialog dialog)
{
if (dialog == CurrentDialog || dialog.State.Value != Visibility.Visible) return;
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// if any existing dialog is being displayed, dismiss it before showing a new one.
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CurrentDialog?.Hide();
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CurrentDialog = dialog;
CurrentDialog.State.ValueChanged += state => onDialogOnStateChanged(dialog, state.NewValue);
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dialogContainer.Add(CurrentDialog);
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Show();
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}
public override bool IsPresent => dialogContainer.Children.Count > 0;
protected override bool BlockNonPositionalInput => true;
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private void onDialogOnStateChanged(VisibilityContainer dialog, Visibility v)
{
if (v != Visibility.Hidden) return;
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// handle the dialog being dismissed.
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dialog.Delay(PopupDialog.EXIT_DURATION).Expire();
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if (dialog == CurrentDialog)
{
Hide();
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CurrentDialog = null;
}
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}
protected override void PopIn()
{
base.PopIn();
this.FadeIn(PopupDialog.ENTER_DURATION, Easing.OutQuint);
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lowPassFilter.CutoffTo(300, 100, Easing.OutCubic);
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}
protected override void PopOut()
{
base.PopOut();
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lowPassFilter.CutoffTo(AudioFilter.MAX_LOWPASS_CUTOFF, 100, Easing.InCubic);
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if (CurrentDialog?.State.Value == Visibility.Visible)
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{
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CurrentDialog.Hide();
return;
}
this.FadeOut(PopupDialog.EXIT_DURATION, Easing.InSine);
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}
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public override bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
{
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switch (e.Action)
{
case GlobalAction.Select:
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CurrentDialog?.Buttons.OfType<PopupDialogOkButton>().FirstOrDefault()?.TriggerClick();
return true;
}
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return base.OnPressed(e);
}
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}
}