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osu-lazer/osu.Game/Screens/Menu/IntroScreen.cs
2019-08-21 14:01:07 +09:00

124 lines
3.6 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.Audio;
using osu.Framework.Audio.Sample;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Screens;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Screens.Backgrounds;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Screens.Menu
{
public abstract class IntroScreen : StartupScreen
{
private readonly BindableDouble exitingVolumeFade = new BindableDouble(1);
public const int EXIT_DELAY = 3000;
[Resolved]
private AudioManager audio { get; set; }
private SampleChannel seeya;
private Bindable<bool> menuVoice;
private LeasedBindable<WorkingBeatmap> beatmap;
public new Bindable<WorkingBeatmap> Beatmap => beatmap;
protected override BackgroundScreen CreateBackground() => new BackgroundScreenBlack();
[BackgroundDependencyLoader]
private void load(OsuConfigManager config, BeatmapManager beatmaps, Framework.Game game)
{
// prevent user from changing beatmap while the intro is still runnning.
beatmap = base.Beatmap.BeginLease(false);
menuVoice = config.GetBindable<bool>(OsuSetting.MenuVoice);
seeya = audio.Samples.Get(@"seeya");
}
/// <summary>
/// Whether we have loaded the menu previously.
/// </summary>
public bool DidLoadMenu { get; private set; }
public override bool OnExiting(IScreen next)
{
//cancel exiting if we haven't loaded the menu yet.
return !DidLoadMenu;
}
public override void OnResuming(IScreen last)
{
this.FadeIn(300);
double fadeOutTime = EXIT_DELAY;
//we also handle the exit transition.
if (menuVoice.Value)
seeya.Play();
else
fadeOutTime = 500;
audio.AddAdjustment(AdjustableProperty.Volume, exitingVolumeFade);
this.TransformBindableTo(exitingVolumeFade, 0, fadeOutTime).OnComplete(_ => this.Exit());
//don't want to fade out completely else we will stop running updates.
Game.FadeTo(0.01f, fadeOutTime);
base.OnResuming(last);
}
protected override void LogoArriving(OsuLogo logo, bool resuming)
{
base.LogoArriving(logo, resuming);
logo.Colour = Color4.White;
logo.Triangles = false;
logo.Ripple = false;
if (!resuming)
{
logo.MoveTo(new Vector2(0.5f));
logo.ScaleTo(Vector2.One);
logo.Hide();
}
else
{
const int quick_appear = 350;
int initialMovementTime = logo.Alpha > 0.2f ? quick_appear : 0;
logo.MoveTo(new Vector2(0.5f), initialMovementTime, Easing.OutQuint);
logo
.ScaleTo(1, initialMovementTime, Easing.OutQuint)
.FadeIn(quick_appear, Easing.OutQuint)
.Then()
.RotateTo(20, EXIT_DELAY * 1.5f)
.FadeOut(EXIT_DELAY);
}
}
private MainMenu mainMenu;
protected void PrepareMenuLoad()
{
LoadComponentAsync(mainMenu = new MainMenu());
}
protected void LoadMenu()
{
beatmap.Return();
DidLoadMenu = true;
this.Push(mainMenu);
}
}
}