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osu-lazer/osu.Game/Screens/Menu/MainMenu.cs

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// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System.Threading.Tasks;
using OpenTK;
using OpenTK.Input;
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using osu.Framework.Allocation;
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using osu.Framework.Audio.Track;
using osu.Framework.Configuration;
using osu.Framework.Graphics;
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using osu.Framework.Input;
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using osu.Framework.MathUtils;
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using osu.Framework.Screens;
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using osu.Game.Configuration;
using osu.Game.Database;
using osu.Game.Graphics.Containers;
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using osu.Game.Screens.Backgrounds;
using osu.Game.Screens.Charts;
using osu.Game.Screens.Direct;
using osu.Game.Screens.Edit;
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using osu.Game.Screens.Multiplayer;
using osu.Game.Screens.Select;
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using osu.Game.Screens.Tournament;
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namespace osu.Game.Screens.Menu
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{
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public class MainMenu : OsuScreen
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{
private readonly ButtonSystem buttons;
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internal override bool ShowOverlays => buttons.State != MenuState.Initial;
private readonly BackgroundScreen background;
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private Screen songSelect;
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protected override BackgroundScreen CreateBackground() => background;
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public MainMenu()
{
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background = new BackgroundScreenDefault();
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Children = new Drawable[]
{
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new ParallaxContainer
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{
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ParallaxAmount = 0.01f,
Children = new Drawable[]
{
buttons = new ButtonSystem
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{
OnChart = delegate { Push(new ChartListing()); },
OnDirect = delegate { Push(new OnlineListing()); },
OnEdit = delegate { Push(new Editor()); },
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OnSolo = delegate { Push(consumeSongSelect()); },
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OnMulti = delegate { Push(new Lobby()); },
OnExit = delegate { Exit(); },
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}
}
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}
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};
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}
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private Bindable<bool> menuMusic;
private TrackManager trackManager;
[BackgroundDependencyLoader]
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private void load(OsuGame game, OsuConfigManager config, BeatmapDatabase beatmaps)
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{
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menuMusic = config.GetBindable<bool>(OsuSetting.MenuMusic);
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LoadComponentAsync(background);
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if (!menuMusic)
{
trackManager = game.Audio.Track;
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var query = beatmaps.Query<BeatmapSetInfo>().Where(b => !b.DeletePending);
int count = query.Count();
if (count > 0)
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{
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var beatmap = query.ElementAt(RNG.Next(0, count - 1));
beatmaps.GetChildren(beatmap);
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Beatmap = beatmaps.GetWorkingBeatmap(beatmap.Beatmaps[0]);
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}
}
buttons.OnSettings = game.ToggleSettings;
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preloadSongSelect();
}
private void preloadSongSelect()
{
if (songSelect == null)
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LoadComponentAsync(songSelect = new PlaySongSelect());
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}
private Screen consumeSongSelect()
{
var s = songSelect;
songSelect = null;
return s;
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}
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protected override void OnEntering(Screen last)
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{
base.OnEntering(last);
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buttons.FadeInFromZero(500);
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if (last is Intro && Beatmap != null)
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{
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Task.Run(() =>
{
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trackManager.SetExclusive(Beatmap.Track);
Beatmap.Track.Seek(Beatmap.Metadata.PreviewTime);
if (Beatmap.Metadata.PreviewTime == -1)
Beatmap.Track.Seek(Beatmap.Track.Length * 0.4f);
Beatmap.Track.Start();
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});
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}
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}
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protected override void OnSuspending(Screen next)
{
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base.OnSuspending(next);
const float length = 400;
buttons.State = MenuState.EnteringMode;
Content.FadeOut(length, EasingTypes.InSine);
Content.MoveTo(new Vector2(-800, 0), length, EasingTypes.InSine);
}
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protected override void OnResuming(Screen last)
{
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base.OnResuming(last);
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//we may have consumed our preloaded instance, so let's make another.
preloadSongSelect();
const float length = 300;
buttons.State = MenuState.TopLevel;
Content.FadeIn(length, EasingTypes.OutQuint);
Content.MoveTo(new Vector2(0, 0), length, EasingTypes.OutQuint);
}
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protected override bool OnExiting(Screen next)
{
buttons.State = MenuState.Exit;
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Content.FadeOut(3000);
return base.OnExiting(next);
}
protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
if (!args.Repeat && state.Keyboard.ControlPressed && state.Keyboard.ShiftPressed && args.Key == Key.D)
{
Push(new Drawings());
return true;
}
return base.OnKeyDown(state, args);
}
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}
}