osu/osu.Game/Screens/Menu/MainMenu.cs
2019-09-28 20:21:51 +08:00

293 lines
8.9 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 osuTK;
using osuTK.Graphics;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Platform;
using osu.Framework.Screens;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Online.API;
using osu.Game.Overlays;
using osu.Game.Overlays.Dialog;
using osu.Game.Screens.Backgrounds;
using osu.Game.Screens.Charts;
using osu.Game.Screens.Edit;
using osu.Game.Screens.Multi;
using osu.Game.Screens.Select;
namespace osu.Game.Screens.Menu
{
public class MainMenu : OsuScreen
{
public const float FADE_IN_DURATION = 300;
public const float FADE_OUT_DURATION = 400;
public override bool HideOverlaysOnEnter => buttons == null || buttons.State == ButtonSystemState.Initial;
public override bool AllowBackButton => false;
public override bool AllowExternalScreenChange => true;
private Screen songSelect;
private MenuSideFlashes sideFlashes;
private ButtonSystem buttons;
[Resolved]
private GameHost host { get; set; }
[Resolved(canBeNull: true)]
private MusicController music { get; set; }
[Resolved(canBeNull: true)]
private LoginOverlay login { get; set; }
[Resolved]
private IAPIProvider api { get; set; }
[Resolved(canBeNull: true)]
private DialogOverlay dialogOverlay { get; set; }
private BackgroundScreenDefault background;
protected override BackgroundScreen CreateBackground() => background;
private Bindable<int> holdDelay;
private Bindable<bool> loginDisplayed;
private ExitConfirmOverlay exitConfirmOverlay;
[BackgroundDependencyLoader(true)]
private void load(DirectOverlay direct, SettingsOverlay settings, OsuConfigManager config, SessionStatics statics)
{
holdDelay = config.GetBindable<int>(OsuSetting.UIHoldActivationDelay);
loginDisplayed = statics.GetBindable<bool>(Static.LoginOverlayDisplayed);
if (host.CanExit)
{
AddInternal(exitConfirmOverlay = new ExitConfirmOverlay
{
Action = () =>
{
if (holdDelay.Value > 0)
confirmAndExit();
else
this.Exit();
}
});
}
AddRangeInternal(new Drawable[]
{
new ParallaxContainer
{
ParallaxAmount = 0.01f,
Children = new Drawable[]
{
buttons = new ButtonSystem
{
OnChart = delegate { this.Push(new ChartListing()); },
OnEdit = delegate { this.Push(new Editor()); },
OnSolo = onSolo,
OnMulti = delegate { this.Push(new Multiplayer()); },
OnExit = confirmAndExit,
}
}
},
sideFlashes = new MenuSideFlashes(),
});
buttons.StateChanged += state =>
{
switch (state)
{
case ButtonSystemState.Initial:
case ButtonSystemState.Exit:
Background.FadeColour(Color4.White, 500, Easing.OutSine);
break;
default:
Background.FadeColour(OsuColour.Gray(0.8f), 500, Easing.OutSine);
break;
}
};
buttons.OnSettings = () => settings?.ToggleVisibility();
buttons.OnDirect = () => direct?.ToggleVisibility();
LoadComponentAsync(background = new BackgroundScreenDefault());
preloadSongSelect();
}
private void confirmAndExit()
{
exitConfirmed = true;
this.Exit();
}
private void preloadSongSelect()
{
if (songSelect == null)
LoadComponentAsync(songSelect = new PlaySongSelect());
}
public void LoadToSolo() => Schedule(onSolo);
private void onSolo() => this.Push(consumeSongSelect());
private Screen consumeSongSelect()
{
var s = songSelect;
songSelect = null;
return s;
}
public override void OnEntering(IScreen last)
{
base.OnEntering(last);
buttons.FadeInFromZero(500);
var track = Beatmap.Value.Track;
var metadata = Beatmap.Value.Metadata;
if (last is IntroScreen && track != null)
{
if (!track.IsRunning)
{
track.Seek(metadata.PreviewTime != -1 ? metadata.PreviewTime : 0.4f * track.Length);
track.Start();
}
}
Beatmap.ValueChanged += beatmap_ValueChanged;
}
private bool exitConfirmed;
protected override void LogoArriving(OsuLogo logo, bool resuming)
{
base.LogoArriving(logo, resuming);
buttons.SetOsuLogo(logo);
logo.FadeColour(Color4.White, 100, Easing.OutQuint);
logo.FadeIn(100, Easing.OutQuint);
if (resuming)
{
buttons.State = ButtonSystemState.TopLevel;
this.FadeIn(FADE_IN_DURATION, Easing.OutQuint);
this.MoveTo(new Vector2(0, 0), FADE_IN_DURATION, Easing.OutQuint);
sideFlashes.Delay(FADE_IN_DURATION).FadeIn(64, Easing.InQuint);
}
else if (!api.IsLoggedIn)
{
logo.Action += displayLogin;
}
bool displayLogin()
{
if (!loginDisplayed.Value)
{
Scheduler.AddDelayed(() => login?.Show(), 500);
loginDisplayed.Value = true;
}
return true;
}
}
protected override void LogoSuspending(OsuLogo logo)
{
var seq = logo.FadeOut(300, Easing.InSine)
.ScaleTo(0.2f, 300, Easing.InSine);
seq.OnComplete(_ => buttons.SetOsuLogo(null));
seq.OnAbort(_ => buttons.SetOsuLogo(null));
}
private void beatmap_ValueChanged(ValueChangedEvent<WorkingBeatmap> e)
{
if (!this.IsCurrentScreen())
return;
((BackgroundScreenDefault)Background).Next();
}
public override void OnSuspending(IScreen next)
{
base.OnSuspending(next);
buttons.State = ButtonSystemState.EnteringMode;
this.FadeOut(FADE_OUT_DURATION, Easing.InSine);
this.MoveTo(new Vector2(-800, 0), FADE_OUT_DURATION, Easing.InSine);
sideFlashes.FadeOut(64, Easing.OutQuint);
}
public override void OnResuming(IScreen last)
{
base.OnResuming(last);
(Background as BackgroundScreenDefault)?.Next();
//we may have consumed our preloaded instance, so let's make another.
preloadSongSelect();
if (Beatmap.Value.Track != null && music?.IsUserPaused != true)
Beatmap.Value.Track.Start();
}
public override bool OnExiting(IScreen next)
{
if (!exitConfirmed && dialogOverlay != null && !(dialogOverlay.CurrentDialog is ConfirmExitDialog))
{
dialogOverlay.Push(new ConfirmExitDialog(confirmAndExit, () => exitConfirmOverlay.Abort()));
return true;
}
buttons.State = ButtonSystemState.Exit;
this.FadeOut(3000);
return base.OnExiting(next);
}
private class ConfirmExitDialog : PopupDialog
{
public ConfirmExitDialog(Action confirm, Action cancel)
{
HeaderText = "Are you sure you want to exit?";
BodyText = "Last chance to back out.";
Icon = FontAwesome.Solid.ExclamationTriangle;
Buttons = new PopupDialogButton[]
{
new PopupDialogOkButton
{
Text = @"Good bye",
Action = confirm
},
new PopupDialogCancelButton
{
Text = @"Just a little more",
Action = cancel
},
};
}
}
}
}