Merge pull request #483 from DrabWeb/leaderboards

Leaderboards

osu-framework

@@ -1 +1 @@
-Subproject commit e6394035d443d4498b71e845e5763dd3faf98c7c
+Subproject commit 405537bd351954878ddc1d2ba53e5d0563528446

osu.Desktop.VisualTests/Tests/TestCaseDrawings.cs

@@ -5,6 +5,7 @@ using System.Collections.Generic;
 using osu.Framework.Screens.Testing;
 using osu.Game.Screens.Tournament;
 using osu.Game.Screens.Tournament.Teams;
+using osu.Game.Users;
 
 namespace osu.Desktop.VisualTests.Tests
 {
@@ -24,57 +25,57 @@ namespace osu.Desktop.VisualTests.Tests
 
         private class TestTeamList : ITeamList
         {
-            public IEnumerable<Team> Teams { get; } = new[]
+            public IEnumerable<Country> Teams { get; } = new[]
             {
-                new Team
+                new Country
                 {
                     FlagName = "GB",
                     FullName = "United Kingdom",
                     Acronym = "UK"
                 },
-                new Team
+                new Country
                 {
                     FlagName = "FR",
                     FullName = "France",
                     Acronym = "FRA"
                 },
-                new Team
+                new Country
                 {
                     FlagName = "CN",
                     FullName = "China",
                     Acronym = "CHN"
                 },
-                new Team
+                new Country
                 {
                     FlagName = "AU",
                     FullName = "Australia",
                     Acronym = "AUS"
                 },
-                new Team
+                new Country
                 {
                     FlagName = "JP",
                     FullName = "Japan",
                     Acronym = "JPN"
                 },
-                new Team
+                new Country
                 {
                     FlagName = "RO",
                     FullName = "Romania",
                     Acronym = "ROM"
                 },
-                new Team
+                new Country
                 {
                     FlagName = "IT",
                     FullName = "Italy",
                     Acronym = "PIZZA"
                 },
-                new Team
+                new Country
                 {
                     FlagName = "VE",
                     FullName = "Venezuela",
                     Acronym = "VNZ"
                 },
-                new Team
+                new Country
                 {
                     FlagName = "US",
                     FullName = "United States of America",

osu.Desktop.VisualTests/Tests/TestCaseLeaderboard.cs

@@ -0,0 +1,225 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using osu.Framework.Graphics;
+using osu.Framework.Screens.Testing;
+using osu.Game.Modes;
+using osu.Game.Modes.Mods;
+using osu.Game.Modes.Osu.Mods;
+using osu.Game.Screens.Select.Leaderboards;
+using osu.Game.Users;
+
+namespace osu.Desktop.VisualTests.Tests
+{
+    internal class TestCaseLeaderboard : TestCase
+    {
+        public override string Description => @"From song select";
+
+        private Leaderboard leaderboard;
+
+        private void newScores()
+        {
+            var scores = new[]
+            {
+                new Score
+                {
+                    Rank = ScoreRank.XH,
+                    Accuracy = 100,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 6602580,
+                        Username = @"waaiiru",
+                        Country = new Country
+                        {
+                            FullName = @"Spain",
+                            FlagName = @"ES",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.X,
+                    Accuracy = 100,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 4608074,
+                        Username = @"Skycries",
+                        Country = new Country
+                        {
+                            FullName = @"Brazil",
+                            FlagName = @"BR",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.SH,
+                    Accuracy = 100,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 1014222,
+                        Username = @"eLy",
+                        Country = new Country
+                        {
+                            FullName = @"Japan",
+                            FlagName = @"JP",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.S,
+                    Accuracy = 100,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 1541390,
+                        Username = @"Toukai",
+                        Country = new Country
+                        {
+                            FullName = @"Canada",
+                            FlagName = @"CA",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.A,
+                    Accuracy = 100,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 2243452,
+                        Username = @"Satoruu",
+                        Country = new Country
+                        {
+                            FullName = @"Venezuela",
+                            FlagName = @"VE",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.B,
+                    Accuracy = 98.26,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 2705430,
+                        Username = @"Mooha",
+                        Country = new Country
+                        {
+                            FullName = @"France",
+                            FlagName = @"FR",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.C,
+                    Accuracy = 96.54,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 7151382,
+                        Username = @"Mayuri Hana",
+                        Country = new Country
+                        {
+                            FullName = @"Thailand",
+                            FlagName = @"TH",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.F,
+                    Accuracy = 60.25,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 2051389,
+                        Username = @"FunOrange",
+                        Country = new Country
+                        {
+                            FullName = @"Canada",
+                            FlagName = @"CA",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.F,
+                    Accuracy = 51.40,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 6169483,
+                        Username = @"-Hebel-",
+                        Country = new Country
+                        {
+                            FullName = @"Mexico",
+                            FlagName = @"MX",
+                        },
+                    },
+                },
+                new Score
+                {
+                    Rank = ScoreRank.F,
+                    Accuracy = 42.22,
+                    MaxCombo = 244,
+                    TotalScore = 1707827,
+                    Mods = new Mod[] { new OsuModHidden(), new OsuModHardRock(), },
+                    User = new User
+                    {
+                        Id = 6702666,
+                        Username = @"prhtnsm",
+                        Country = new Country
+                        {
+                            FullName = @"Germany",
+                            FlagName = @"DE",
+                        },
+                    },
+                },
+            };
+
+            leaderboard.Scores = scores;
+        }
+
+        public override void Reset()
+        {
+            base.Reset();
+
+            Add(leaderboard = new Leaderboard
+            {
+                Origin = Anchor.Centre,
+                Anchor = Anchor.Centre,
+                Size = new Vector2(550f, 450f),
+            });
+
+            AddButton(@"New Scores", newScores);
+            newScores();
+        }
+    }
+}

osu.Desktop.VisualTests/osu.Desktop.VisualTests.csproj

@@ -204,6 +204,7 @@
     <Compile Include="Tests\TestCaseModSelectOverlay.cs" />
     <Compile Include="Tests\TestCaseDialogOverlay.cs" />
     <Compile Include="Tests\TestCaseBeatmapOptionsOverlay.cs" />
+    <Compile Include="Tests\TestCaseLeaderboard.cs" />
   </ItemGroup>
   <ItemGroup />
   <ItemGroup />

osu.Game/Modes/Score.cs

@@ -1,19 +1,63 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
+using Newtonsoft.Json;
+using osu.Game.Users;
 using osu.Game.Database;
+using osu.Game.Modes.Mods;
 
 namespace osu.Game.Modes
 {
     public class Score
     {
+        [JsonProperty(@"rank")]
+        public ScoreRank Rank { get; set; }
+
+        [JsonProperty(@"score")]
         public double TotalScore { get; set; }
         public double Accuracy { get; set; }
         public double Health { get; set; }
+
+        [JsonProperty(@"maxcombo")]
         public int MaxCombo { get; set; }
         public int Combo { get; set; }
+        public Mod[] Mods { get; set; }
 
+        public User User { get; set; }
+
+        [JsonProperty(@"replay_data")]
         public Replay Replay;
+
         public BeatmapInfo Beatmap;
+
+        [JsonProperty(@"score_id")]
+        public long OnlineScoreID;
+
+        [JsonProperty(@"username")]
+        public string Username;
+
+        [JsonProperty(@"user_id")]
+        public long UserID;
+
+        [JsonProperty(@"date")]
+        public DateTime Date;
+
+        //  [JsonProperty(@"count50")] 0,
+        //[JsonProperty(@"count100")] 0,
+        //[JsonProperty(@"count300")] 100,
+        //[JsonProperty(@"countmiss")] 0,
+        //[JsonProperty(@"countkatu")] 0,
+        //[JsonProperty(@"countgeki")] 31,
+        //[JsonProperty(@"perfect")] true,
+        //[JsonProperty(@"enabled_mods")] [
+        //  "DT",
+        //  "FL",
+        //  "HD",
+        //  "HR"
+        //],
+        //[JsonProperty(@"rank")] "XH",
+        //[JsonProperty(@"pp")] 26.1816,
+        //[JsonProperty(@"replay")] true
     }
 }

osu.Game/Modes/ScoreRank.cs

@@ -0,0 +1,29 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.ComponentModel;
+
+namespace osu.Game.Modes
+{
+    public enum ScoreRank
+    {
+        [Description(@"F")]
+        F,
+        [Description(@"F")]
+        D,
+        [Description(@"C")]
+        C,
+        [Description(@"B")]
+        B,
+        [Description(@"A")]
+        A,
+        [Description(@"S")]
+        S,
+        [Description(@"SPlus")]
+        SH,
+        [Description(@"SS")]
+        X,
+        [Description(@"SSPlus")]
+        XH,
+    }
+}

osu.Game/Online/API/APIRequest.cs

@@ -58,13 +58,20 @@ namespace osu.Game.Online.API
         public event APISuccessHandler Success;
         public event APIFailureHandler Failure;
 
+        private bool cancelled;
+
+        private Action pendingFailure;
+
         public void Perform(APIAccess api)
         {
+            this.api = api;
+
+            if (checkAndProcessFailure())
+                return;
+
             if (startTime == null)
                 startTime = DateTime.Now.TotalMilliseconds();
 
-            this.api = api;
-
             if (remainingTime <= 0)
                 throw new TimeoutException(@"API request timeout hit");
 
@@ -72,18 +79,41 @@ namespace osu.Game.Online.API
             WebRequest.RetryCount = 0;
             WebRequest.Headers[@"Authorization"] = $@"Bearer {api.AccessToken}";
 
+            if (checkAndProcessFailure())
+                return;
+
+            if (!WebRequest.Aborted) //could have been aborted by a Cancel() call
                 WebRequest.BlockingPerform();
 
+            if (checkAndProcessFailure())
+                return;
+
             api.Scheduler.Add(delegate { Success?.Invoke(); });
         }
 
+        public void Cancel() => Fail(new OperationCanceledException(@"Request cancelled"));
+
         public void Fail(Exception e)
         {
+            cancelled = true;
+
             WebRequest?.Abort();
-            api.Scheduler.Add(delegate
+
+            pendingFailure = () => Failure?.Invoke(e);
+            checkAndProcessFailure();
+        }
+
+        /// <summary>
+        /// Checked for cancellation or error. Also queues up the Failed event if we can.
+        /// </summary>
+        /// <returns>Whether we are in a failed or cancelled state.</returns>
+        private bool checkAndProcessFailure()
         {
-                Failure?.Invoke(e);
+            if (api == null || pendingFailure == null) return cancelled;
-            });
+
+            api.Scheduler.Add(pendingFailure);
+            pendingFailure = null;
+            return true;
         }
     }
 

osu.Game/Online/API/Requests/GetScoresRequest.cs

@@ -0,0 +1,40 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using osu.Framework.IO.Network;
+using osu.Game.Database;
+using osu.Game.Modes;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class GetScoresRequest : APIRequest<GetScoresResponse>
+    {
+        private readonly BeatmapInfo beatmap;
+
+        public GetScoresRequest(BeatmapInfo beatmap)
+        {
+            this.beatmap = beatmap;
+        }
+
+        protected override WebRequest CreateWebRequest()
+        {
+            var req = base.CreateWebRequest();
+            req.AddParameter(@"c", beatmap.Hash);
+            req.AddParameter(@"f", beatmap.Path);
+            return req;
+        }
+
+        protected override string Target => @"beatmaps/scores";
+    }
+
+    public class GetScoresResponse
+    {
+        [JsonProperty(@"beatmap")]
+        public BeatmapInfo Beatmap;
+
+        [JsonProperty(@"scores")]
+        public IEnumerable<Score> Scores;
+    }
+}

osu.Game/Overlays/Toolbar/ToolbarUserButton.cs

@@ -1,14 +1,12 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System.Diagnostics;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Sprites;
-using osu.Framework.Graphics.Textures;
 using osu.Game.Online.API;
+using osu.Game.Users;
 using OpenTK;
 using OpenTK.Graphics;
 
@@ -26,7 +24,20 @@ namespace osu.Game.Overlays.Toolbar
 
             Add(new OpaqueBackground { Depth = 1 });
 
-            Flow.Add(avatar = new Avatar());
+            Flow.Add(avatar = new Avatar
+            {
+                Masking = true,
+                Size = new Vector2(32),
+                Anchor = Anchor.CentreLeft,
+                Origin = Anchor.CentreLeft,
+                CornerRadius = 4,
+                EdgeEffect = new EdgeEffect
+                {
+                    Type = EdgeEffectType.Shadow,
+                    Radius = 4,
+                    Colour = Color4.Black.Opacity(0.1f),
+                }
+            });
         }
 
         [BackgroundDependencyLoader]
@@ -49,86 +60,5 @@ namespace osu.Game.Overlays.Toolbar
                     break;
             }
         }
-
-        public class Avatar : Container
-        {
-            public Drawable Sprite;
-
-            private int userId;
-            private OsuGame game;
-            private Texture guestTexture;
-
-            public Avatar()
-            {
-                Size = new Vector2(32);
-                Anchor = Anchor.CentreLeft;
-                Origin = Anchor.CentreLeft;
-
-                CornerRadius = Size.X / 8;
-
-                EdgeEffect = new EdgeEffect
-                {
-                    Type = EdgeEffectType.Shadow,
-                    Radius = 4,
-                    Colour = Color4.Black.Opacity(0.1f),
-                };
-
-                Masking = true;
-            }
-
-            [BackgroundDependencyLoader]
-            private void load(OsuGame game, TextureStore textures)
-            {
-                this.game = game;
-
-                guestTexture = textures.Get(@"Online/avatar-guest");
-            }
-
-            public int UserId
-            {
-                get { return userId; }
-                set
-                {
-                    if (userId == value)
-                        return;
-
-                    userId = value;
-
-                    var newSprite = userId > 1 ? new OnlineSprite($@"https://a.ppy.sh/{userId}") : new Sprite { Texture = guestTexture };
-
-                    newSprite.FillMode = FillMode.Fit;
-
-                    newSprite.LoadAsync(game, s =>
-                    {
-                        Sprite?.FadeOut();
-                        Sprite?.Expire();
-                        Sprite = s;
-
-                        Add(s);
-
-                        //todo: fix this... clock dependencies are a pain
-                        if (s.Clock != null)
-                            s.FadeInFromZero(200);
-                    });
-                }
-            }
-
-            public class OnlineSprite : Sprite
-            {
-                private readonly string url;
-
-                public OnlineSprite(string url)
-                {
-                    Debug.Assert(url != null);
-                    this.url = url;
-                }
-
-                [BackgroundDependencyLoader]
-                private void load(TextureStore textures)
-                {
-                    Texture = textures.Get(url);
-                }
-            }
-        }
     }
 }

osu.Game/Screens/OsuGameScreen.cs

@@ -71,6 +71,8 @@ namespace osu.Game.Screens
 
             BackgroundScreen bg = CreateBackground();
 
+            OnBeatmapChanged(Beatmap);
+
             if (lastOsu?.Background != null)
             {
                 if (bg == null || lastOsu.Background.Equals(bg))

osu.Game/Screens/Select/Leaderboards/DrawableRank.cs

@@ -0,0 +1,39 @@
+// Copyright (c) 2007-2017 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.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Modes;
+using osu.Framework.Extensions;
+
+namespace osu.Game.Screens.Select.Leaderboards
+{
+    public class DrawableRank : Container
+    {
+        private Sprite sprite;
+
+        public ScoreRank Rank { get; private set; }
+
+        [BackgroundDependencyLoader]
+        private void load(TextureStore textures)
+        {
+            sprite.Texture = textures.Get($@"Badges/ScoreRanks/{Rank.GetDescription()}");
+        }
+
+        public DrawableRank(ScoreRank rank)
+        {
+            Rank = rank;
+
+            Children = new Drawable[]
+            {
+                sprite = new Sprite
+                {
+                    RelativeSizeAxes = Axes.Both,
+                },
+            };
+        }
+    }
+}

osu.Game/Screens/Select/Leaderboards/Leaderboard.cs

@@ -0,0 +1,111 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Collections.Generic;
+using OpenTK;
+using OpenTK.Graphics;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Primitives;
+using osu.Game.Modes;
+using System;
+
+namespace osu.Game.Screens.Select.Leaderboards
+{
+    public class Leaderboard : Container
+    {
+        private ScrollContainer scrollContainer;
+        private FillFlowContainer<LeaderboardScore> scrollFlow;
+
+        private IEnumerable<Score> scores;
+        public IEnumerable<Score> Scores
+        {
+            get { return scores; }
+            set
+            {
+                scores = value;
+
+                int i = 150;
+                if (scores == null)
+                {
+                    foreach (var c in scrollFlow.Children)
+                        c.FadeOut(i += 10);
+
+                    foreach (var c in scrollFlow.Children)
+                        c.LifetimeEnd = Time.Current + i;
+
+                    return;
+                }
+
+                scrollFlow.Clear();
+
+                i = 0;
+                foreach (var s in scores)
+                {
+                    var ls = new LeaderboardScore(s, 1 + i)
+                    {
+                        AlwaysPresent = true,
+                        State = Visibility.Hidden,
+                    };
+                    scrollFlow.Add(ls);
+
+                    ls.Delay(i++ * 50, true);
+                    ls.Show();
+                }
+
+                scrollContainer.ScrollTo(0f, false);
+            }
+        }
+
+        public Leaderboard()
+        {
+            Children = new Drawable[]
+            {
+                scrollContainer = new ScrollContainer
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    ScrollDraggerVisible = false,
+                    Children = new Drawable[]
+                    {
+                        scrollFlow = new FillFlowContainer<LeaderboardScore>
+                        {
+                            RelativeSizeAxes = Axes.X,
+                            AutoSizeAxes = Axes.Y,
+                            Spacing = new Vector2(0f, 5f),
+                            Padding = new MarginPadding(5),
+                        },
+                    },
+                },
+            };
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            var fadeStart = scrollContainer.Current + scrollContainer.DrawHeight;
+
+            if (!scrollContainer.IsScrolledToEnd())
+                fadeStart -= LeaderboardScore.HEIGHT;
+
+            foreach (var c in scrollFlow.Children)
+            {
+                var topY = c.ToSpaceOfOtherDrawable(Vector2.Zero, scrollFlow).Y;
+                var bottomY = topY + LeaderboardScore.HEIGHT;
+
+                if (bottomY < fadeStart)
+                    c.Colour = Color4.White;
+                else if (topY > fadeStart + LeaderboardScore.HEIGHT)
+                    c.Colour = Color4.Transparent;
+                else
+                {
+                    c.ColourInfo = ColourInfo.GradientVertical(
+                        Color4.White.Opacity(Math.Min(1 - (topY - fadeStart) / LeaderboardScore.HEIGHT, 1)),
+                        Color4.White.Opacity(Math.Min(1 - (bottomY - fadeStart) / LeaderboardScore.HEIGHT, 1)));
+                }
+            }
+        }
+    }
+}

osu.Game/Screens/Select/Leaderboards/LeaderboardScore.cs

@@ -0,0 +1,386 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using OpenTK.Graphics;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Primitives;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Modes;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Game.Modes.Mods;
+using osu.Game.Users;
+using osu.Framework;
+
+namespace osu.Game.Screens.Select.Leaderboards
+{
+    public class LeaderboardScore : Container, IStateful<Visibility>
+    {
+        public static readonly float HEIGHT = 60;
+
+        public readonly int RankPosition;
+        public readonly Score Score;
+
+        private const float corner_radius = 5;
+        private const float edge_margin = 5;
+        private const float background_alpha = 0.25f;
+        private const float rank_width = 30;
+
+        private Box background;
+        private Container content, avatar;
+        private DrawableRank scoreRank;
+        private OsuSpriteText nameLabel;
+        private GlowingSpriteText scoreLabel;
+        private ScoreComponentLabel maxCombo, accuracy;
+        private Container flagBadgeContainer;
+        private FillFlowContainer<ScoreModIcon> modsContainer;
+
+        private Visibility state;
+        public Visibility State
+        {
+            get { return state; }
+            set
+            {
+                state = value;
+
+                switch (state)
+                {
+                    case Visibility.Hidden:
+                        foreach (var d in new Drawable[] { avatar, nameLabel, scoreLabel, scoreRank, flagBadgeContainer, maxCombo, accuracy, modsContainer })
+                            d.FadeOut();
+
+                        Alpha = 0;
+
+                        content.MoveToY(75);
+                        avatar.MoveToX(75);
+                        nameLabel.MoveToX(150);
+                        break;
+                    case Visibility.Visible:
+                        FadeIn(200);
+                        content.MoveToY(0, 800, EasingTypes.OutQuint);
+
+                        Delay(100, true);
+                        avatar.FadeIn(300, EasingTypes.OutQuint);
+                        nameLabel.FadeIn(350, EasingTypes.OutQuint);
+
+                        avatar.MoveToX(0, 300, EasingTypes.OutQuint);
+                        nameLabel.MoveToX(0, 350, EasingTypes.OutQuint);
+
+                        Delay(250, true);
+                        scoreLabel.FadeIn(200);
+                        scoreRank.FadeIn(200);
+
+                        Delay(50, true);
+                        var drawables = new Drawable[] { flagBadgeContainer, maxCombo, accuracy, modsContainer, };
+
+                        for (int i = 0; i < drawables.Length; i++)
+                        {
+                            drawables[i].FadeIn(100 + i * 50);
+                        }
+
+                        break;
+                }
+            }
+        }
+
+        public LeaderboardScore(Score score, int rank)
+        {
+            Score = score;
+            RankPosition = rank;
+
+            RelativeSizeAxes = Axes.X;
+            Height = HEIGHT;
+
+            Children = new Drawable[]
+            {
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Y,
+                    Width = rank_width,
+                    Children = new[]
+                    {
+                        new OsuSpriteText
+                        {
+                            Anchor = Anchor.CentreLeft,
+                            Origin = Anchor.CentreLeft,
+                            Font = @"Exo2.0-MediumItalic",
+                            TextSize = 22,
+                            Text = RankPosition.ToString(),
+                        },
+                    },
+                },
+                content = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding { Left = rank_width, },
+                    Children = new Drawable[]
+                    {
+                        new Container
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            CornerRadius = corner_radius,
+                            Masking = true,
+                            Children = new[]
+                            {
+                                background = new Box
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                    Colour = Color4.Black,
+                                    Alpha = background_alpha,
+                                },
+                            },
+                        },
+                        new Container
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Padding = new MarginPadding(edge_margin),
+                            Children = new Drawable[]
+                            {
+                                avatar = new Avatar
+                                {
+                                    Size = new Vector2(HEIGHT - edge_margin * 2, HEIGHT - edge_margin * 2),
+                                    CornerRadius = corner_radius,
+                                    Masking = true,
+                                    EdgeEffect = new EdgeEffect
+                                    {
+                                        Type = EdgeEffectType.Shadow,
+                                        Radius = 1,
+                                        Colour = Color4.Black.Opacity(0.2f),
+                                    },
+                                    UserId = Score.User?.Id ?? Score.UserID,
+                                },
+                                new Container
+                                {
+                                    RelativeSizeAxes = Axes.Y,
+                                    AutoSizeAxes = Axes.X,
+                                    Position = new Vector2(HEIGHT - edge_margin, 0f),
+                                    Children = new Drawable[]
+                                    {
+                                        nameLabel = new OsuSpriteText
+                                        {
+                                            Text = Score.User?.Username ?? Score.Username,
+                                            Font = @"Exo2.0-BoldItalic",
+                                            TextSize = 23,
+                                        },
+                                        new FillFlowContainer
+                                        {
+                                            Origin = Anchor.BottomLeft,
+                                            Anchor = Anchor.BottomLeft,
+                                            AutoSizeAxes = Axes.Both,
+                                            Direction = FillDirection.Horizontal,
+                                            Spacing = new Vector2(10f, 0f),
+                                            Children = new Drawable[]
+                                            {
+                                                flagBadgeContainer = new Container
+                                                {
+                                                    Size = new Vector2(87f, 20f),
+                                                    Masking = true,
+                                                    Children = new Drawable[]
+                                                    {
+                                                        new DrawableFlag(Score.User?.Country?.FlagName ?? "__")
+                                                        {
+                                                            Width = 30,
+                                                            RelativeSizeAxes = Axes.Y,
+                                                        },
+                                                    },
+                                                },
+                                                new FillFlowContainer
+                                                {
+                                                    AutoSizeAxes = Axes.Both,
+                                                    Direction = FillDirection.Horizontal,
+                                                    Spacing = new Vector2(10f, 0f),
+                                                    Margin = new MarginPadding { Left = edge_margin, },
+                                                    Children = new Drawable[]
+                                                    {
+                                                        maxCombo = new ScoreComponentLabel(FontAwesome.fa_link, Score.MaxCombo.ToString()),
+                                                        accuracy = new ScoreComponentLabel(FontAwesome.fa_crosshairs, string.Format(Score.Accuracy % 1 == 0 ? @"{0:0}" : @"{0:0.00}", Score.Accuracy)),
+                                                    },
+                                                },
+                                            },
+                                        },
+                                    },
+                                },
+                                new FillFlowContainer
+                                {
+                                    AutoSizeAxes = Axes.Both,
+                                    Anchor = Anchor.TopRight,
+                                    Origin = Anchor.TopRight,
+                                    Direction = FillDirection.Horizontal,
+                                    Spacing = new Vector2(5f, 0f),
+                                    Children = new Drawable[]
+                                    {
+                                        scoreLabel = new GlowingSpriteText(Score.TotalScore.ToString(@"N0"), @"Venera", 23, Color4.White, OsuColour.FromHex(@"83ccfa")),
+                                        new Container
+                                        {
+                                            Size = new Vector2(40f, 20f),
+                                            Children = new[]
+                                            {
+                                                scoreRank = new DrawableRank(Score.Rank)
+                                                {
+                                                    Anchor = Anchor.Centre,
+                                                    Origin = Anchor.Centre,
+                                                    Size = new Vector2(40f),
+                                                },
+                                            },
+                                        },
+                                    },
+                                },
+                                modsContainer = new FillFlowContainer<ScoreModIcon>
+                                {
+                                    Anchor = Anchor.BottomRight,
+                                    Origin = Anchor.BottomRight,
+                                    AutoSizeAxes = Axes.Both,
+                                    Direction = FillDirection.Horizontal,
+                                },
+                            },
+                        },
+                    },
+                },
+            };
+
+            if (Score.Mods != null)
+            {
+                foreach (Mod mod in Score.Mods)
+                {
+                    // TODO: Get actual mod colours
+                    modsContainer.Add(new ScoreModIcon(mod.Icon, OsuColour.FromHex(@"ffcc22")));
+                }
+            }
+        }
+
+        public void ToggleVisibility() => State = State == Visibility.Visible ? Visibility.Hidden : Visibility.Visible;
+
+        public override void Hide() => State = Visibility.Hidden;
+        public override void Show() => State = Visibility.Visible;
+
+        protected override bool OnHover(Framework.Input.InputState state)
+        {
+            background.FadeTo(0.5f, 300, EasingTypes.OutQuint);
+            return base.OnHover(state);
+        }
+
+        protected override void OnHoverLost(Framework.Input.InputState state)
+        {
+            background.FadeTo(background_alpha, 200, EasingTypes.OutQuint);
+            base.OnHoverLost(state);
+        }
+
+        private class GlowingSpriteText : Container
+        {
+            public GlowingSpriteText(string text, string font, int textSize, Color4 textColour, Color4 glowColour)
+            {
+                AutoSizeAxes = Axes.Both;
+
+                Children = new Drawable[]
+                {
+                    new BufferedContainer
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        BlurSigma = new Vector2(4),
+                        CacheDrawnFrameBuffer = true,
+                        RelativeSizeAxes = Axes.Both,
+                        BlendingMode = BlendingMode.Additive,
+                        Size = new Vector2(3f),
+                        Children = new[]
+                        {
+                            new OsuSpriteText
+                            {
+                                Anchor = Anchor.Centre,
+                                Origin = Anchor.Centre,
+                                Font = font,
+                                TextSize = textSize,
+                                FixedWidth = true,
+                                Text = text,
+                                Colour = glowColour,
+                                Shadow = false,
+                            },
+                        },
+                    },
+                    new OsuSpriteText
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Font = font,
+                        FixedWidth = true,
+                        TextSize = textSize,
+                        Text = text,
+                        Colour = textColour,
+                        Shadow = false,
+                    },
+                };
+            }
+        }
+
+        private class ScoreModIcon : Container
+        {
+            public ScoreModIcon(FontAwesome icon, Color4 colour)
+            {
+                AutoSizeAxes = Axes.Both;
+
+                Children = new[]
+                {
+                    new TextAwesome
+                    {
+                        Origin = Anchor.Centre,
+                        Anchor = Anchor.Centre,
+                        Icon = FontAwesome.fa_osu_mod_bg,
+                        Colour = colour,
+                        Shadow = true,
+                        TextSize = 30,
+                        UseFullGlyphHeight = false,
+                    },
+                    new TextAwesome
+                    {
+                        Origin = Anchor.Centre,
+                        Anchor = Anchor.Centre,
+                        Icon = icon,
+                        Colour = OsuColour.Gray(84),
+                        TextSize = 18,
+                        Position = new Vector2(0f, 2f),
+                        UseFullGlyphHeight = false,
+                    },
+                };
+            }
+        }
+
+        private class ScoreComponentLabel : Container
+        {
+            public ScoreComponentLabel(FontAwesome icon, string value)
+            {
+                Anchor = Anchor.CentreLeft;
+                Origin = Anchor.CentreLeft;
+                Size = new Vector2(60f, 20f);
+                Padding = new MarginPadding { Top = 10f, };
+
+                Children = new Drawable[]
+                {
+                    new TextAwesome
+                    {
+                        Origin = Anchor.Centre,
+                        Icon = FontAwesome.fa_square,
+                        Colour = OsuColour.FromHex(@"3087ac"),
+                        Rotation = 45,
+                        Shadow = true,
+                    },
+                    new TextAwesome
+                    {
+                        Origin = Anchor.Centre,
+                        Icon = icon,
+                        Colour = OsuColour.FromHex(@"a4edff"),
+                        Scale = new Vector2(0.8f),
+                    },
+                    new GlowingSpriteText(value, @"Exo2.0-Bold", 17, Color4.White, OsuColour.FromHex(@"83ccfa"))
+                    {
+                        Origin = Anchor.CentreLeft,
+                        Margin = new MarginPadding { Left = 15, },
+                    },
+                };
+            }
+        }
+    }
+}

osu.Game/Screens/Select/PlaySongSelect.cs

@@ -8,9 +8,11 @@ using osu.Framework.Graphics.Primitives;
 using osu.Framework.Screens;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
+using osu.Game.Online.API.Requests;
 using osu.Game.Overlays.Mods;
 using osu.Game.Screens.Edit;
 using osu.Game.Screens.Play;
+using osu.Game.Screens.Select.Leaderboards;
 
 namespace osu.Game.Screens.Select
 {
@@ -18,6 +20,7 @@ namespace osu.Game.Screens.Select
     {
         private OsuScreen player;
         private ModSelectOverlay modSelect;
+        private Leaderboard leaderboard;
 
         public PlaySongSelect()
         {
@@ -28,6 +31,11 @@ namespace osu.Game.Screens.Select
                 Anchor = Anchor.BottomCentre,
                 Margin = new MarginPadding { Bottom = 50 }
             });
+
+            LeftContent.Add(leaderboard = new Leaderboard
+            {
+                RelativeSizeAxes = Axes.Both,
+            });
         }
 
         [BackgroundDependencyLoader]
@@ -44,12 +52,29 @@ namespace osu.Game.Screens.Select
             }, Key.Number3);
         }
 
+        private GetScoresRequest getScoresRequest;
+
         protected override void OnBeatmapChanged(WorkingBeatmap beatmap)
         {
             beatmap?.Mods.BindTo(modSelect.SelectedMods);
+
+            updateLeaderboard(beatmap);
+
             base.OnBeatmapChanged(beatmap);
         }
 
+        private void updateLeaderboard(WorkingBeatmap beatmap)
+        {
+            leaderboard.Scores = null;
+            getScoresRequest?.Cancel();
+
+            if (beatmap?.BeatmapInfo == null) return;
+
+            getScoresRequest = new GetScoresRequest(beatmap.BeatmapInfo);
+            getScoresRequest.Success += r => leaderboard.Scores = r.Scores;
+            Game.API.Queue(getScoresRequest);
+        }
+
         protected override void OnResuming(Screen last)
         {
             player = null;

osu.Game/Screens/Select/SongSelect.cs

@@ -39,9 +39,15 @@ namespace osu.Game.Screens.Select
         private TrackManager trackManager;
         private DialogOverlay dialogOverlay;
 
-        private static readonly Vector2 wedged_container_size = new Vector2(0.5f, 225);
+
+        private static readonly Vector2 wedged_container_size = new Vector2(0.5f, 245);
+
+        private const float left_area_padding = 20;
+
         private BeatmapInfoWedge beatmapInfoWedge;
 
+        protected Container LeftContent;
+
         private static readonly Vector2 background_blur = new Vector2(20);
         private CancellationTokenSource initialAddSetsTask;
 
@@ -81,6 +87,20 @@ namespace osu.Game.Screens.Select
                     }
                 }
             });
+            Add(LeftContent = new Container
+            {
+                Origin = Anchor.BottomLeft,
+                Anchor = Anchor.BottomLeft,
+                RelativeSizeAxes = Axes.Both,
+                Size = new Vector2(wedged_container_size.X, 1),
+                Padding = new MarginPadding
+                {
+                    Bottom = 50,
+                    Top = wedged_container_size.Y + left_area_padding,
+                    Left = left_area_padding,
+                    Right = left_area_padding * 2,
+                }
+            });
             Add(carousel = new BeatmapCarousel
             {
                 RelativeSizeAxes = Axes.Y,
@@ -104,8 +124,8 @@ namespace osu.Game.Screens.Select
                 RelativeSizeAxes = Axes.X,
                 Margin = new MarginPadding
                 {
-                    Top = 20,
+                    Top = left_area_padding,
-                    Right = 20,
+                    Right = left_area_padding,
                 },
                 X = -50,
             });

osu.Game/Screens/Tournament/Drawings.cs

@@ -21,6 +21,7 @@ using osu.Game.Screens.Tournament.Components;
 using osu.Game.Screens.Tournament.Teams;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Game.Users;
 
 namespace osu.Game.Screens.Tournament
 {
@@ -36,7 +37,7 @@ namespace osu.Game.Screens.Tournament
         private GroupContainer groupsContainer;
         private OsuSpriteText fullTeamNameText;
 
-        private List<Team> allTeams = new List<Team>();
+        private List<Country> allTeams = new List<Country>();
 
         private DrawingsConfigManager drawingsConfig;
 
@@ -238,7 +239,7 @@ namespace osu.Game.Screens.Tournament
             reset(true);
         }
 
-        private void onTeamSelected(Team team)
+        private void onTeamSelected(Country team)
         {
             groupsContainer.AddTeam(team);
 
@@ -275,7 +276,7 @@ namespace osu.Game.Screens.Tournament
             teamsContainer.ClearTeams();
             allTeams.Clear();
 
-            foreach (Team t in TeamList.Teams)
+            foreach (Country t in TeamList.Teams)
             {
                 if (groupsContainer.ContainsTeam(t.FullName))
                     continue;
@@ -311,7 +312,7 @@ namespace osu.Game.Screens.Tournament
                             if (line.ToUpper().StartsWith("GROUP"))
                                 continue;
 
-                            Team teamToAdd = allTeams.FirstOrDefault(t => t.FullName == line);
+                            Country teamToAdd = allTeams.FirstOrDefault(t => t.FullName == line);
 
                             if (teamToAdd == null)
                                 continue;

osu.Game/Screens/Tournament/Group.cs

@@ -11,9 +11,9 @@ using osu.Framework.Graphics.Primitives;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Graphics.Sprites;
-using osu.Game.Screens.Tournament.Teams;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Game.Users;
 
 namespace osu.Game.Screens.Tournament
 {
@@ -73,7 +73,7 @@ namespace osu.Game.Screens.Tournament
             };
         }
 
-        public void AddTeam(Team team)
+        public void AddTeam(Country team)
         {
             GroupTeam gt = new GroupTeam(team);
 
@@ -91,7 +91,7 @@ namespace osu.Game.Screens.Tournament
             return allTeams.Any(t => t.Team.FullName == fullName);
         }
 
-        public bool RemoveTeam(Team team)
+        public bool RemoveTeam(Country team)
         {
             allTeams.RemoveAll(gt => gt.Team == team);
 
@@ -122,12 +122,12 @@ namespace osu.Game.Screens.Tournament
 
         private class GroupTeam : Container
         {
-            public Team Team;
+            public Country Team;
 
             private FillFlowContainer innerContainer;
             private Sprite flagSprite;
 
-            public GroupTeam(Team team)
+            public GroupTeam(Country team)
             {
                 Team = team;
 

osu.Game/Screens/Tournament/GroupContainer.cs

@@ -7,8 +7,8 @@ using System.Linq;
 using System.Text;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Game.Screens.Tournament.Teams;
 using OpenTK;
+using osu.Game.Users;
 
 namespace osu.Game.Screens.Tournament
 {
@@ -64,7 +64,7 @@ namespace osu.Game.Screens.Tournament
             }
         }
 
-        public void AddTeam(Team team)
+        public void AddTeam(Country team)
         {
             if (groups[currentGroup].TeamsCount == maxTeams)
                 return;

osu.Game/Screens/Tournament/ScrollingTeamContainer.cs

@@ -13,18 +13,18 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Graphics.Transforms;
 using osu.Framework.Threading;
-using osu.Game.Screens.Tournament.Teams;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Game.Users;
 
 namespace osu.Game.Screens.Tournament
 {
     public class ScrollingTeamContainer : Container
     {
         public event Action OnScrollStarted;
-        public event Action<Team> OnSelected;
+        public event Action<Country> OnSelected;
 
-        private readonly List<Team> availableTeams = new List<Team>();
+        private readonly List<Country> availableTeams = new List<Country>();
 
         private Container tracker;
 
@@ -158,7 +158,7 @@ namespace osu.Game.Screens.Tournament
             }
         }
 
-        public void AddTeam(Team team)
+        public void AddTeam(Country team)
         {
             if (availableTeams.Contains(team))
                 return;
@@ -169,12 +169,12 @@ namespace osu.Game.Screens.Tournament
             scrollState = ScrollState.Idle;
         }
 
-        public void AddTeams(IEnumerable<Team> teams)
+        public void AddTeams(IEnumerable<Country> teams)
         {
             if (teams == null)
                 return;
 
-            foreach (Team t in teams)
+            foreach (Country t in teams)
                 AddTeam(t);
         }
 
@@ -185,7 +185,7 @@ namespace osu.Game.Screens.Tournament
             scrollState = ScrollState.Idle;
         }
 
-        public void RemoveTeam(Team team)
+        public void RemoveTeam(Country team)
         {
             availableTeams.Remove(team);
 
@@ -270,7 +270,7 @@ namespace osu.Game.Screens.Tournament
 
         private void addFlags()
         {
-            foreach (Team t in availableTeams)
+            foreach (Country t in availableTeams)
             {
                 Add(new ScrollingTeam(t)
                 {
@@ -326,7 +326,7 @@ namespace osu.Game.Screens.Tournament
             public const float WIDTH = 58;
             public const float HEIGHT = 41;
 
-            public Team Team;
+            public Country Team;
 
             private Sprite flagSprite;
             private Box outline;
@@ -346,7 +346,7 @@ namespace osu.Game.Screens.Tournament
                 }
             }
 
-            public ScrollingTeam(Team team)
+            public ScrollingTeam(Country team)
             {
                 Team = team;
 

osu.Game/Screens/Tournament/Teams/ITeamList.cs

@@ -2,11 +2,12 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
+using osu.Game.Users;
 
 namespace osu.Game.Screens.Tournament.Teams
 {
     public interface ITeamList
     {
-        IEnumerable<Team> Teams { get; }
+        IEnumerable<Country> Teams { get; }
     }
 }

osu.Game/Screens/Tournament/Teams/StorageBackedTeamList.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.IO;
 using osu.Framework.Logging;
 using osu.Framework.Platform;
+using osu.Game.Users;
 
 namespace osu.Game.Screens.Tournament.Teams
 {
@@ -20,11 +21,11 @@ namespace osu.Game.Screens.Tournament.Teams
             this.storage = storage;
         }
 
-        public IEnumerable<Team> Teams
+        public IEnumerable<Country> Teams
         {
             get
             {
-                var teams = new List<Team>();
+                var teams = new List<Country>();
 
                 try
                 {
@@ -52,7 +53,7 @@ namespace osu.Game.Screens.Tournament.Teams
                             string acronym = split.Length >= 3 ? split[2].Trim() : teamName;
                             acronym = acronym.Substring(0, Math.Min(3, acronym.Length));
 
-                            teams.Add(new Team
+                            teams.Add(new Country
                             {
                                 FlagName = flagName,
                                 FullName = teamName,

osu.Game/Screens/Tournament/Teams/Team.cs

@@ -1,23 +0,0 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-namespace osu.Game.Screens.Tournament.Teams
-{
-    public class Team
-    {
-        /// <summary>
-        /// The name of this team.
-        /// </summary>
-        public string FullName;
-
-        /// <summary>
-        /// Short acronym which appears in the group boxes post-selection.
-        /// </summary>
-        public string Acronym;
-
-        /// <summary>
-        /// Two-letter flag acronym (ISO 3166 standard)
-        /// </summary>
-        public string FlagName;
-    }
-}

osu.Game/Users/Avatar.cs

@@ -0,0 +1,114 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Diagnostics;
+using System.Threading.Tasks;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+
+namespace osu.Game.Users
+{
+    public class Avatar : Container
+    {
+        public Drawable Sprite;
+
+        private long userId;
+        private OsuGameBase game;
+        private Texture guestTexture;
+
+        [BackgroundDependencyLoader(permitNulls: true)]
+        private void load(OsuGameBase game, TextureStore textures)
+        {
+            this.game = game;
+            guestTexture = textures.Get(@"Online/avatar-guest");
+        }
+
+        public long UserId
+        {
+            get { return userId; }
+            set
+            {
+                if (userId == value)
+                    return;
+
+                userId = value;
+                invalidateSprite();
+            }
+        }
+
+        private Task loadTask;
+
+        private void invalidateSprite()
+        {
+            Sprite?.FadeOut(100);
+            Sprite?.Expire();
+            Sprite = null;
+        }
+
+        private void updateSprite()
+        {
+            if (loadTask != null || Sprite != null) return;
+
+            var newSprite = userId > 1 ? new OnlineSprite($@"https://a.ppy.sh/{userId}", guestTexture) : new Sprite { Texture = guestTexture };
+
+            newSprite.FillMode = FillMode.Fill;
+
+            loadTask = newSprite.LoadAsync(game, s =>
+            {
+                Sprite = s;
+                Add(Sprite);
+
+                Sprite.FadeInFromZero(200);
+                loadTask = null;
+            });
+        }
+
+        private double timeVisible;
+
+        private bool shouldUpdate => Sprite != null || timeVisible > 500;
+
+        protected override void Update()
+        {
+            base.Update();
+
+            if (!shouldUpdate)
+            {
+                //Special optimisation to not start loading until we are within bounds of our closest ScrollContainer parent.
+                ScrollContainer scroll = null;
+                IContainer cursor = this;
+                while (scroll == null && (cursor = cursor.Parent) != null)
+                    scroll = cursor as ScrollContainer;
+
+                if (scroll?.ScreenSpaceDrawQuad.Intersects(ScreenSpaceDrawQuad) ?? true)
+                    timeVisible += Time.Elapsed;
+                else
+                    timeVisible = 0;
+            }
+
+            if (shouldUpdate)
+                updateSprite();
+        }
+
+        public class OnlineSprite : Sprite
+        {
+            private readonly string url;
+            private readonly Texture fallbackTexture;
+
+            public OnlineSprite(string url, Texture fallbackTexture = null)
+            {
+                Debug.Assert(url != null);
+                this.url = url;
+                this.fallbackTexture = fallbackTexture;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(TextureStore textures)
+            {
+                Texture = textures.Get(url) ?? fallbackTexture;
+            }
+        }
+    }
+}

osu.Game/Users/Country.cs

@@ -0,0 +1,67 @@
+// Copyright (c) 2007-2017 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.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+
+namespace osu.Game.Users
+{
+    public class Country
+    {
+        /// <summary>
+        /// The name of this country.
+        /// </summary>
+        public string FullName;
+
+        /// <summary>
+        /// Short acronym which appears in the group boxes post-selection.
+        /// </summary>
+        public string Acronym;
+
+        /// <summary>
+        /// Two-letter flag acronym (ISO 3166 standard)
+        /// </summary>
+        public string FlagName;
+    }
+
+    public class DrawableFlag : Container
+    {
+        private Sprite sprite;
+        private TextureStore textures;
+
+        private string flagName;
+        public string FlagName
+        {
+            get { return flagName; }
+            set
+            {
+                if (value == flagName) return;
+                flagName = value;
+                sprite.Texture = textures.Get($@"Flags/{flagName}");
+            }
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(TextureStore ts)
+        {
+            textures = ts;
+            sprite.Texture = textures.Get($@"Flags/{flagName}");
+        }
+
+        public DrawableFlag(string name = @"__")
+        {
+            flagName = name;
+
+            Children = new Drawable[]
+            {
+                sprite = new Sprite
+                {
+                    RelativeSizeAxes = Axes.Both,
+                },
+            };
+        }
+    }
+}

osu.Game/Users/Team.cs

@@ -0,0 +1,10 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Users
+{
+    public class Team
+    {
+        public string Name;
+    }
+}

osu.Game/Users/User.cs

@@ -7,5 +7,7 @@ namespace osu.Game.Users
     {
         public int Id;
         public string Username;
+        public Country Country;
+        public Team Team;
     }
 }

osu.Game/osu.Game.csproj

@@ -129,6 +129,7 @@
     <Compile Include="Modes\UI\StandardHealthDisplay.cs" />
     <Compile Include="Modes\UI\StandardHudOverlay.cs" />
     <Compile Include="Online\API\IOnlineComponent.cs" />
+    <Compile Include="Online\API\Requests\GetScoresRequest.cs" />
     <Compile Include="Online\API\Requests\GetUserRequest.cs" />
     <Compile Include="Overlays\DragBar.cs" />
     <Compile Include="Overlays\LoginOverlay.cs" />
@@ -241,7 +242,7 @@
     <Compile Include="Online\API\OAuth.cs" />
     <Compile Include="Online\API\OAuthToken.cs" />
     <Compile Include="Online\API\Requests\GetMessagesRequest.cs" />
-    <Compile Include="Online\API\Requests\ListChannels.cs" />
+    <Compile Include="Online\API\Requests\ListChannelsRequest.cs" />
     <Compile Include="Online\Chat\Channel.cs" />
     <Compile Include="Online\Chat\Drawables\DrawableChannel.cs" />
     <Compile Include="Online\Chat\Drawables\ChatLine.cs" />
@@ -265,7 +266,6 @@
     <Compile Include="Screens\Tournament\GroupContainer.cs" />
     <Compile Include="Screens\Tournament\Teams\ITeamList.cs" />
     <Compile Include="Screens\Tournament\ScrollingTeamContainer.cs" />
-    <Compile Include="Screens\Tournament\Teams\Team.cs" />
     <Compile Include="Screens\Tournament\Teams\StorageBackedTeamList.cs" />
     <Compile Include="Users\User.cs" />
     <Compile Include="Graphics\UserInterface\Volume\VolumeControl.cs" />
@@ -354,6 +354,13 @@
     <Compile Include="Overlays\WaveOverlayContainer.cs" />
     <Compile Include="Screens\Select\Options\BeatmapOptionsButton.cs" />
     <Compile Include="Screens\Select\Options\BeatmapOptionsOverlay.cs" />
+    <Compile Include="Screens\Select\Leaderboards\Leaderboard.cs" />
+    <Compile Include="Screens\Select\Leaderboards\LeaderboardScore.cs" />
+    <Compile Include="Users\Country.cs" />
+    <Compile Include="Users\Team.cs" />
+    <Compile Include="Modes\ScoreRank.cs" />
+    <Compile Include="Users\Avatar.cs" />
+    <Compile Include="Screens\Select\Leaderboards\DrawableRank.cs" />
     <Compile Include="Graphics\UserInterface\OsuTabControl.cs" />
     <Compile Include="Graphics\UserInterface\OsuTabItem.cs" />
   </ItemGroup>
@@ -377,6 +384,7 @@
   <ItemGroup />
   <ItemGroup />
   <ItemGroup />
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.