Add basic intro sequence.

osu.Game/GameModes/Menu/ButtonSystem.cs

@@ -19,7 +19,7 @@ using OpenTK.Input;
 
 namespace osu.Game.GameModes.Menu
 {
-    public class ButtonSystem : Container
+    public partial class ButtonSystem : Container
     {
         public Action OnEdit;
         public Action OnExit;
@@ -103,8 +103,9 @@ namespace osu.Game.GameModes.Menu
                         }
                     }
                 },
-                osuLogo = new OsuLogo(onOsuLogo)
+                osuLogo = new OsuLogo
                 {
+                    Action = onOsuLogo,
                     Origin = Anchor.Centre,
                     Anchor = Anchor.Centre
                 }
@@ -273,95 +274,6 @@ namespace osu.Game.GameModes.Menu
             base.Update();
         }
 
-        /// <summary>
-        /// osu! logo and its attachments (pulsing, visualiser etc.)
-        /// </summary>
-        class OsuLogo : AutoSizeContainer
-        {
-            private Sprite logo;
-            private Container logoBounceContainer;
-            private MenuVisualisation vis;
-            private Action clickAction;
-
-            public float SizeForFlow => logo == null ? 0 : logo.Size.X * logo.Scale.X * logoBounceContainer.Scale.X * 0.8f;
-
-            public override void Load()
-            {
-                base.Load();
-
-                Sprite ripple;
-
-                Children = new Drawable[]
-                {
-                    logoBounceContainer = new AutoSizeContainer
-                    {
-                        Children = new Drawable[]
-                        {
-                            logo = new Sprite()
-                            {
-                                Texture = Game.Textures.Get(@"Menu/logo"),
-                                Anchor = Anchor.Centre,
-                                Origin = Anchor.Centre
-                            },
-                            ripple = new Sprite()
-                            {
-                                Texture = Game.Textures.Get(@"Menu/logo"),
-                                Anchor = Anchor.Centre,
-                                Origin = Anchor.Centre,
-                                Alpha = 0.4f
-                            },
-                            vis = new MenuVisualisation
-                            {
-                                Anchor = Anchor.Centre,
-                                Origin = Anchor.Centre,
-                                Size = logo.Size,
-                                Additive = true,
-                                Alpha = 0.2f,
-                            }
-                        }
-                    }
-                };
-
-                ripple.ScaleTo(1.1f, 500);
-                ripple.FadeOut(500);
-                ripple.Loop(300);
-            }
-
-            public OsuLogo(Action action)
-            {
-                clickAction = action;
-            }
-
-            protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
-            {
-                logoBounceContainer.ScaleTo(1.1f, 1000, EasingTypes.Out);
-                return true;
-            }
-
-            protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
-            {
-                logoBounceContainer.ScaleTo(1.2f, 500, EasingTypes.OutElastic);
-                return true;
-            }
-
-            protected override bool OnClick(InputState state)
-            {
-                clickAction?.Invoke();
-                return true;
-            }
-
-            protected override bool OnHover(InputState state)
-            {
-                logoBounceContainer.ScaleTo(1.2f, 500, EasingTypes.OutElastic);
-                return true;
-            }
-
-            protected override void OnHoverLost(InputState state)
-            {
-                logoBounceContainer.ScaleTo(1, 500, EasingTypes.OutElastic);
-            }
-        }
-
         /// <summary>
         /// A flow container with an origin based on one of its contained drawables.
         /// </summary>

osu.Game/GameModes/Menu/Intro.cs

@@ -5,24 +5,46 @@ using System;
 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.GameModes.Backgrounds;
+using OpenTK.Graphics;
 
 namespace osu.Game.GameModes.Menu
 {
     class Intro : OsuGameMode
     {
+        private OsuLogo logo;
         protected override BackgroundMode CreateBackground() => new BackgroundModeEmpty();
 
         public override void Load()
         {
             base.Load();
 
+            Children = new Drawable[]
+            {
+                logo = new OsuLogo()
+                {
+                    Alpha = 0,
+                    Additive = true,
+                    Interactive = false,
+                    Colour = Color4.DarkGray,
+                    Ripple = false
+                }
+            };
+
             AudioSample welcome = Game.Audio.Sample.Get(@"welcome");
             welcome.Play();
 
             AudioTrack bgm = Game.Audio.Track.Get(@"circles");
             bgm.Looping = true;
 
+            Game.Scheduler.Add(delegate
+            {
+                welcome.Play();
+            }, true);
+
+
             Game.Scheduler.AddDelayed(delegate
             {
                 bgm.Start();
@@ -32,6 +54,17 @@ namespace osu.Game.GameModes.Menu
             {
                 Push(new MainMenu());
             }, 2900);
+
+            logo.ScaleTo(0);
+
+            logo.ScaleTo(1,5900, EasingTypes.OutQuint);
+            logo.FadeIn(30000, EasingTypes.OutQuint);
+        }
+
+        protected override void OnSuspending(GameMode next)
+        {
+            Content.FadeOut(300);
+            base.OnSuspending(next);
         }
     }
 }

osu.Game/GameModes/Menu/OsuLogo.cs

@@ -0,0 +1,132 @@
+//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Transformations;
+using osu.Framework.Input;
+
+namespace osu.Game.GameModes.Menu
+{
+    /// <summary>
+    /// osu! logo and its attachments (pulsing, visualiser etc.)
+    /// </summary>
+    public partial class OsuLogo : AutoSizeContainer
+    {
+        private Sprite logo;
+        private Container logoBounceContainer;
+        private ButtonSystem.MenuVisualisation vis;
+
+        public Action Action;
+
+        public float SizeForFlow => logo == null ? 0 : logo.Size.X * logo.Scale.X * logoBounceContainer.Scale.X * 0.8f;
+
+        private Sprite ripple;
+
+        private Container rippleContainer;
+
+        public bool Ripple
+        {
+            get { return rippleContainer.Alpha > 0; }
+            set
+            {
+                rippleContainer.Alpha = value ? 1 : 0;
+            }
+        }
+
+        public bool Interactive = true;
+
+        public OsuLogo()
+        {
+            Anchor = Anchor.Centre;
+            Origin = Anchor.Centre;
+
+            Children = new Drawable[]
+            {
+                logoBounceContainer = new AutoSizeContainer
+                {
+                    Children = new Drawable[]
+                    {
+                        logo = new Sprite()
+                        {
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre
+                        },
+                        rippleContainer = new Container
+                        {
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                            Children = new Drawable[]
+                            {
+                                ripple = new Sprite()
+                                {
+                                    Anchor = Anchor.Centre,
+                                    Origin = Anchor.Centre,
+                                    Additive = true,
+                                    Alpha = 0.05f
+                                }
+                            }
+                        },
+                        vis = new ButtonSystem.MenuVisualisation
+                        {
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                            Size = logo.Size,
+                            Additive = true,
+                            Alpha = 0.2f,
+                        }
+                    }
+                }
+            };
+        }
+
+        public override void Load()
+        {
+            base.Load();
+
+            logo.Texture = Game.Textures.Get(@"Menu/logo");
+            ripple.Texture = Game.Textures.Get(@"Menu/logo");
+
+            ripple.ScaleTo(1.1f, 500);
+            ripple.FadeOut(500);
+            ripple.Loop(300);
+        }
+
+        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        {
+            if (!Interactive) return false;
+
+            logoBounceContainer.ScaleTo(1.1f, 1000, EasingTypes.Out);
+            return true;
+        }
+
+        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        {
+
+            logoBounceContainer.ScaleTo(1.2f, 500, EasingTypes.OutElastic);
+            return true;
+        }
+
+        protected override bool OnClick(InputState state)
+        {
+            if (!Interactive) return false;
+
+            Action?.Invoke();
+            return true;
+        }
+
+        protected override bool OnHover(InputState state)
+        {
+            if (!Interactive) return false;
+            logoBounceContainer.ScaleTo(1.2f, 500, EasingTypes.OutElastic);
+            return true;
+        }
+
+        protected override void OnHoverLost(InputState state)
+        {
+            logoBounceContainer.ScaleTo(1, 500, EasingTypes.OutElastic);
+        }
+    }
+}

osu.Game/osu.Game.csproj

@@ -79,6 +79,7 @@
     <Compile Include="GameModes\Menu\Intro.cs" />
     <Compile Include="GameModes\Menu\ButtonSystem.cs" />
     <Compile Include="GameModes\Menu\MainMenu.cs" />
+    <Compile Include="GameModes\Menu\OsuLogo.cs" />
     <Compile Include="GameModes\Multiplayer\Lobby.cs" />
     <Compile Include="GameModes\Multiplayer\Match.cs" />
     <Compile Include="GameModes\Multiplayer\MatchCreate.cs" />