Rename GameModes namespace to Screens.

osu.Game/Screens/Menu/Intro.cs

@@ -0,0 +1,106 @@
+//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Audio;
+using osu.Framework.Audio.Sample;
+using osu.Framework.Audio.Track;
+using osu.Framework.GameModes;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transformations;
+using osu.Game.Screens.Backgrounds;
+using OpenTK.Graphics;
+
+namespace osu.Game.Screens.Menu
+{
+    class Intro : OsuGameMode
+    {
+        private OsuLogo logo;
+
+        /// <summary>
+        /// Whether we have loaded the menu previously.
+        /// </summary>
+        internal bool DidLoadMenu;
+
+        MainMenu mainMenu;
+        private AudioSample welcome;
+        private AudioTrack bgm;
+
+        internal override bool ShowToolbar => (ParentGameMode as OsuGameMode)?.ShowToolbar ?? false;
+
+        protected override BackgroundMode CreateBackground() => new BackgroundModeEmpty();
+
+        public Intro()
+        {
+            Children = new Drawable[]
+            {
+                logo = new OsuLogo()
+                {
+                    Alpha = 0,
+                    BlendingMode = BlendingMode.Additive,
+                    Interactive = false,
+                    Colour = Color4.DarkGray,
+                    Ripple = false
+                }
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(AudioManager audio)
+        {
+            welcome = audio.Sample.Get(@"welcome");
+
+            bgm = audio.Track.Get(@"circles");
+            bgm.Looping = true;
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+            Scheduler.Add(delegate
+            {
+                welcome.Play();
+
+                Scheduler.AddDelayed(delegate
+                {
+                    bgm.Start();
+
+                    mainMenu = new MainMenu();
+                    mainMenu.Preload(Game);
+
+                    Scheduler.AddDelayed(delegate
+                    {
+                        DidLoadMenu = true;
+                        Push(mainMenu);
+                    }, 2300);
+                }, 600);
+            });
+
+            logo.ScaleTo(0.4f);
+            logo.FadeOut();
+
+            logo.ScaleTo(1, 4400, EasingTypes.OutQuint);
+            logo.FadeIn(20000, EasingTypes.OutQuint);
+        }
+
+        protected override void OnSuspending(GameMode next)
+        {
+            Content.FadeOut(300);
+            base.OnSuspending(next);
+        }
+
+        protected override bool OnExiting(GameMode next)
+        {
+            //cancel exiting if we haven't loaded the menu yet.
+            return !DidLoadMenu;
+        }
+
+        protected override void OnResuming(GameMode last)
+        {
+            //we are just an intro. if we are resumed, we just want to exit after a short delay (to allow the last mode to transition out).
+            Scheduler.AddDelayed(Exit, 600);
+
+            base.OnResuming(last);
+        }
+    }
+}