Add ability to view kudosu rankings

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

@@ -0,0 +1,28 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.IO.Network;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class GetKudosuRankingsRequest : APIRequest<GetKudosuRankingsResponse>
+    {
+        private readonly int page;
+
+        public GetKudosuRankingsRequest(int page = 1)
+        {
+            this.page = page;
+        }
+
+        protected override WebRequest CreateWebRequest()
+        {
+            var req = base.CreateWebRequest();
+
+            req.AddParameter(@"page", page.ToString());
+
+            return req;
+        }
+
+        protected override string Target => @"rankings/kudosu";
+    }
+}

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

@@ -0,0 +1,15 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using osu.Game.Online.API.Requests.Responses;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class GetKudosuRankingsResponse
+    {
+        [JsonProperty("ranking")]
+        public List<APIUser> Users = null!;
+    }
+}

osu.Game/Overlays/KudosuTable.cs

@@ -0,0 +1,95 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using osu.Framework.Extensions.LocalisationExtensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Online.API.Requests.Responses;
+using osu.Game.Overlays.Rankings.Tables;
+using osu.Game.Resources.Localisation.Web;
+using osu.Game.Users;
+
+namespace osu.Game.Overlays
+{
+    public partial class KudosuTable : RankingsTable<APIUser>
+    {
+        public KudosuTable(int page, List<APIUser> users)
+            : base(page, users)
+        {
+        }
+
+        protected override Drawable CreateRowBackground(APIUser item)
+        {
+            var background = base.CreateRowBackground(item);
+
+            // see: https://github.com/ppy/osu-web/blob/9de00a0b874c56893d98261d558d78d76259d81b/resources/views/multiplayer/rooms/_rankings_table.blade.php#L23
+            if (!item.Active)
+                background.Alpha = 0.5f;
+
+            return background;
+        }
+
+        protected override Drawable[] CreateRowContent(int index, APIUser item)
+        {
+            var content = base.CreateRowContent(index, item);
+
+            // see: https://github.com/ppy/osu-web/blob/9de00a0b874c56893d98261d558d78d76259d81b/resources/views/multiplayer/rooms/_rankings_table.blade.php#L23
+            if (!item.Active)
+            {
+                foreach (var d in content)
+                    d.Alpha = 0.5f;
+            }
+
+            return content;
+        }
+
+        protected override RankingsTableColumn[] CreateAdditionalHeaders()
+        {
+            const int min_width = 120;
+            return new[]
+            {
+                new RankingsTableColumn(RankingsStrings.KudosuTotal, Anchor.Centre, new Dimension(GridSizeMode.AutoSize, minSize: min_width), true),
+                new RankingsTableColumn(RankingsStrings.KudosuAvailable, Anchor.Centre, new Dimension(GridSizeMode.AutoSize, minSize: min_width)),
+                new RankingsTableColumn(RankingsStrings.KudosuUsed, Anchor.Centre, new Dimension(GridSizeMode.AutoSize, minSize: min_width)),
+            };
+        }
+
+        protected override Drawable[] CreateAdditionalContent(APIUser item)
+        {
+            int kudosuTotal = item.Kudosu.Total;
+            int kudosuAvailable = item.Kudosu.Available;
+            return new Drawable[]
+            {
+                new RowText
+                {
+                    Text = kudosuTotal.ToLocalisableString(@"N0")
+                },
+                new ColouredRowText
+                {
+                    Text = kudosuAvailable.ToLocalisableString(@"N0")
+                },
+                new ColouredRowText
+                {
+                    Text = (kudosuTotal - kudosuAvailable).ToLocalisableString(@"N0")
+                },
+            };
+        }
+
+        protected override CountryCode GetCountryCode(APIUser item) => item.CountryCode;
+
+        protected override Drawable CreateFlagContent(APIUser item)
+        {
+            var username = new LinkFlowContainer(t => t.Font = OsuFont.GetFont(size: TEXT_SIZE, italics: true))
+            {
+                AutoSizeAxes = Axes.X,
+                RelativeSizeAxes = Axes.Y,
+                TextAnchor = Anchor.CentreLeft
+            };
+            username.AddUserLink(item);
+            return username;
+        }
+    }
+}

osu.Game/Overlays/Rankings/RankingsScope.cs

@@ -18,6 +18,9 @@ namespace osu.Game.Overlays.Rankings
         Score,
 
         [LocalisableDescription(typeof(RankingsStrings), nameof(RankingsStrings.TypeCountry))]
-        Country
+        Country,
+
+        [LocalisableDescription(typeof(RankingsStrings), nameof(RankingsStrings.TypeKudosu))]
+        Kudosu,
     }
 }

osu.Game/Overlays/RankingsOverlay.cs

@@ -135,6 +135,9 @@ namespace osu.Game.Overlays
 
                 case RankingsScope.Score:
                     return new GetUserRankingsRequest(ruleset.Value, UserRankingsType.Score);
+
+                case RankingsScope.Kudosu:
+                    return new GetKudosuRankingsRequest();
             }
 
             return null;
@@ -166,6 +169,12 @@ namespace osu.Game.Overlays
 
                     return new CountriesTable(1, countryRequest.Response.Countries);
                 }
+
+                case GetKudosuRankingsRequest kudosuRequest:
+                    if (kudosuRequest.Response == null)
+                        return null;
+
+                    return new KudosuTable(1, kudosuRequest.Response.Users);
             }
 
             return null;