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178 lines
5.6 KiB
C#
178 lines
5.6 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using osu.Framework.Allocation;
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using osu.Framework.Audio;
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using osu.Framework.Audio.Sample;
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using osu.Framework.Audio.Track;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Utils;
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using osu.Framework.Screens;
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using osu.Game.Beatmaps;
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using osu.Game.Configuration;
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using osu.Game.IO.Archives;
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using osu.Game.Screens.Backgrounds;
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using osu.Game.Skinning;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Screens.Menu
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{
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public abstract class IntroScreen : StartupScreen
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{
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/// <summary>
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/// Whether we have loaded the menu previously.
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/// </summary>
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public bool DidLoadMenu { get; private set; }
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/// <summary>
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/// A hash used to find the associated beatmap if already imported.
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/// </summary>
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protected abstract string BeatmapHash { get; }
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/// <summary>
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/// A source file to use as an import source if the intro beatmap is not yet present.
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/// Should be within the "Tracks" namespace of game resources.
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/// </summary>
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protected abstract string BeatmapFile { get; }
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protected IBindable<bool> MenuVoice { get; private set; }
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protected IBindable<bool> MenuMusic { get; private set; }
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private WorkingBeatmap introBeatmap;
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protected Track Track { get; private set; }
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private readonly BindableDouble exitingVolumeFade = new BindableDouble(1);
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private const int exit_delay = 3000;
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private SampleChannel seeya;
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private LeasedBindable<WorkingBeatmap> beatmap;
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private MainMenu mainMenu;
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[Resolved]
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private AudioManager audio { get; set; }
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[BackgroundDependencyLoader]
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private void load(OsuConfigManager config, SkinManager skinManager, BeatmapManager beatmaps, Framework.Game game)
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{
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// prevent user from changing beatmap while the intro is still runnning.
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beatmap = Beatmap.BeginLease(false);
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MenuVoice = config.GetBindable<bool>(OsuSetting.MenuVoice);
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MenuMusic = config.GetBindable<bool>(OsuSetting.MenuMusic);
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seeya = audio.Samples.Get(@"seeya");
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BeatmapSetInfo setInfo = null;
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if (!MenuMusic.Value)
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{
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var sets = beatmaps.GetAllUsableBeatmapSets(IncludedDetails.Minimal);
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if (sets.Count > 0)
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setInfo = beatmaps.QueryBeatmapSet(s => s.ID == sets[RNG.Next(0, sets.Count - 1)].ID);
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}
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if (setInfo == null)
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{
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setInfo = beatmaps.QueryBeatmapSet(b => b.Hash == BeatmapHash);
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if (setInfo == null)
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{
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// we need to import the default menu background beatmap
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setInfo = beatmaps.Import(new ZipArchiveReader(game.Resources.GetStream($"Tracks/{BeatmapFile}"), BeatmapFile)).Result;
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setInfo.Protected = true;
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beatmaps.Update(setInfo);
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}
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}
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introBeatmap = beatmaps.GetWorkingBeatmap(setInfo.Beatmaps[0]);
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Track = introBeatmap.Track;
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}
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public override void OnResuming(IScreen last)
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{
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this.FadeIn(300);
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double fadeOutTime = exit_delay;
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//we also handle the exit transition.
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if (MenuVoice.Value)
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seeya.Play();
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else
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fadeOutTime = 500;
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audio.AddAdjustment(AdjustableProperty.Volume, exitingVolumeFade);
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this.TransformBindableTo(exitingVolumeFade, 0, fadeOutTime).OnComplete(_ => this.Exit());
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//don't want to fade out completely else we will stop running updates.
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Game.FadeTo(0.01f, fadeOutTime);
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base.OnResuming(last);
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}
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public override void OnSuspending(IScreen next)
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{
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base.OnSuspending(next);
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Track = null;
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}
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protected override BackgroundScreen CreateBackground() => new BackgroundScreenBlack();
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protected void StartTrack()
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{
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// Only start the current track if it is the menu music. A beatmap's track is started when entering the Main Menu.
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if (MenuMusic.Value)
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Track.Restart();
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}
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protected override void LogoArriving(OsuLogo logo, bool resuming)
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{
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base.LogoArriving(logo, resuming);
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logo.Colour = Color4.White;
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logo.Triangles = false;
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logo.Ripple = false;
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if (!resuming)
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{
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beatmap.Value = introBeatmap;
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introBeatmap = null;
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logo.MoveTo(new Vector2(0.5f));
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logo.ScaleTo(Vector2.One);
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logo.Hide();
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}
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else
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{
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const int quick_appear = 350;
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var initialMovementTime = logo.Alpha > 0.2f ? quick_appear : 0;
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logo.MoveTo(new Vector2(0.5f), initialMovementTime, Easing.OutQuint);
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logo
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.ScaleTo(1, initialMovementTime, Easing.OutQuint)
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.FadeIn(quick_appear, Easing.OutQuint)
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.Then()
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.RotateTo(20, exit_delay * 1.5f)
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.FadeOut(exit_delay);
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}
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}
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protected void PrepareMenuLoad() => LoadComponentAsync(mainMenu = new MainMenu());
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protected void LoadMenu()
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{
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beatmap.Return();
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DidLoadMenu = true;
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this.Push(mainMenu);
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}
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}
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}
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