Add Multiplayer screen.

osu.Game.Tests/Visual/TestCaseMultiScreen.cs

@@ -0,0 +1,17 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+using osu.Game.Screens.Multi;
+
+namespace osu.Game.Tests.Visual
+{
+    [TestFixture]
+    public class TestCaseMultiScreen : OsuTestCase
+    {
+        public TestCaseMultiScreen()
+        {
+            Child = new Multiplayer();
+        }
+    }
+}

osu.Game/Screens/Menu/MainMenu.cs

@@ -14,7 +14,7 @@ using osu.Game.Screens.Backgrounds;
 using osu.Game.Screens.Charts;
 using osu.Game.Screens.Direct;
 using osu.Game.Screens.Edit;
-using osu.Game.Screens.Multi.Screens;
+using osu.Game.Screens.Multi;
 using osu.Game.Screens.Select;
 using osu.Game.Screens.Tournament;
 
@@ -54,7 +54,7 @@ namespace osu.Game.Screens.Menu
                             OnDirect = delegate { Push(new OnlineListing()); },
                             OnEdit = delegate { Push(new Editor()); },
                             OnSolo = delegate { Push(consumeSongSelect()); },
-                            OnMulti = delegate { Push(new Lobby()); },
+                            OnMulti = delegate { Push(new Multiplayer()); },
                             OnExit = Exit,
                         }
                     }

osu.Game/Screens/Multi/Multiplayer.cs

@@ -0,0 +1,100 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Screens;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Backgrounds;
+using osu.Game.Graphics.Containers;
+using osu.Game.Screens.Multi.Screens;
+
+namespace osu.Game.Screens.Multi
+{
+    public class Multiplayer : OsuScreen
+    {
+        private readonly MultiplayerWaveContainer waves;
+
+        protected override Container<Drawable> Content => waves;
+
+        public Multiplayer()
+        {
+            InternalChild = waves = new MultiplayerWaveContainer
+            {
+                RelativeSizeAxes = Axes.Both,
+            };
+
+            Lobby lobby;
+            Children = new Drawable[]
+            {
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Masking = true,
+                    Children = new Drawable[]
+                    {
+                        new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Colour = OsuColour.FromHex(@"3e3a44"),
+                        },
+                        new Triangles
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            ColourLight = OsuColour.FromHex(@"3c3842"),
+                            ColourDark = OsuColour.FromHex(@"393540"),
+                            TriangleScale = 5,
+                        },
+                    },
+                },
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding { Top = Header.HEIGHT },
+                    Child = lobby = new Lobby(),
+                },
+                new Header(lobby),
+            };
+
+            lobby.Exited += s => Exit();
+        }
+
+        protected override void OnEntering(Screen last)
+        {
+            base.OnEntering(last);
+            waves.Show();
+        }
+
+        protected override bool OnExiting(Screen next)
+        {
+            waves.Hide();
+            return base.OnExiting(next);
+        }
+
+        protected override void OnResuming(Screen last)
+        {
+            base.OnResuming(last);
+            waves.Show();
+        }
+
+        protected override void OnSuspending(Screen next)
+        {
+            base.OnSuspending(next);
+            waves.Hide();
+        }
+
+        private class MultiplayerWaveContainer : WaveContainer
+        {
+            protected override bool StartHidden => true;
+
+            public MultiplayerWaveContainer()
+            {
+                FirstWaveColour = OsuColour.FromHex(@"654d8c");
+                SecondWaveColour = OsuColour.FromHex(@"554075");
+                ThirdWaveColour = OsuColour.FromHex(@"44325e");
+                FourthWaveColour = OsuColour.FromHex(@"392850");
+            }
+        }
+    }
+}