Merge remote-tracking branch 'origin/master' into mask-separation

# Conflicts:
#	osu.Game.Rulesets.Osu/Edit/Layers/Selection/Overlays/SliderMask.cs

osu.Game.Rulesets.Mania/Mods/ManiaModDualStages.cs

@@ -5,13 +5,11 @@ using System.Collections.Generic;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
-using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Mods;
-using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Mania.Mods
 {
-    public class ManiaModDualStages : Mod, IPlayfieldTypeMod, IApplicableToBeatmapConverter, IApplicableToRulesetContainer<ManiaHitObject>
+    public class ManiaModDualStages : Mod, IPlayfieldTypeMod, IApplicableToBeatmapConverter, IApplicableToBeatmap<ManiaHitObject>
     {
         public override string Name => "Dual Stages";
         public override string ShortenedName => "DS";
@@ -34,22 +32,21 @@ namespace osu.Game.Rulesets.Mania.Mods
             mbc.TargetColumns *= 2;
         }
 
-        public void ApplyToRulesetContainer(RulesetContainer<ManiaHitObject> rulesetContainer)
+        public void ApplyToBeatmap(Beatmap<ManiaHitObject> beatmap)
         {
-            var mrc = (ManiaRulesetContainer)rulesetContainer;
-
-            // Although this can work, for now let's not allow keymods for mania-specific beatmaps
             if (isForCurrentRuleset)
                 return;
 
+            var maniaBeatmap = (ManiaBeatmap)beatmap;
+
             var newDefinitions = new List<StageDefinition>();
-            foreach (var existing in mrc.Beatmap.Stages)
+            foreach (var existing in maniaBeatmap.Stages)
             {
                 newDefinitions.Add(new StageDefinition { Columns = existing.Columns / 2 });
                 newDefinitions.Add(new StageDefinition { Columns = existing.Columns / 2 });
             }
 
-            mrc.Beatmap.Stages = newDefinitions;
+            maniaBeatmap.Stages = newDefinitions;
         }
 
         public PlayfieldType PlayfieldType => PlayfieldType.Dual;

osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSlider.cs

@@ -23,7 +23,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         public readonly DrawableHitCircle HeadCircle;
         public readonly DrawableSliderTail TailCircle;
 
-        public readonly SliderBody Body;
+        public readonly SnakingSliderBody Body;
         public readonly SliderBall Ball;
 
         public DrawableSlider(Slider s)
@@ -38,7 +38,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             InternalChildren = new Drawable[]
             {
-                Body = new SliderBody(s)
+                Body = new SnakingSliderBody(s)
                 {
                     PathWidth = s.Scale * 64,
                 },

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/ManualSliderBody.cs

@@ -0,0 +1,20 @@
+// Copyright (c) 2007-2018 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;
+
+namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
+{
+    /// <summary>
+    /// A <see cref="SliderBody"/> with the ability to set the drawn vertices manually.
+    /// </summary>
+    public class ManualSliderBody : SliderBody
+    {
+        public new void SetVertices(IReadOnlyList<Vector2> vertices)
+        {
+            base.SetVertices(vertices);
+            Size = Path.Size;
+        }
+    }
+}

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/NumberPiece.cs

@@ -4,7 +4,6 @@
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Sprites;
 using osu.Game.Graphics.Sprites;
 using OpenTK.Graphics;
 using osu.Framework.Graphics.Shapes;
@@ -14,7 +13,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
     public class NumberPiece : Container
     {
-        private readonly SpriteText number;
+        private readonly SkinnableSpriteText number;
 
         public string Text
         {
@@ -41,15 +40,14 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
                     },
                     Child = new Box()
                 }, s => s.GetTexture("Play/osu/hitcircle") == null),
-                number = new OsuSpriteText
+                number = new SkinnableSpriteText("Play/osu/number-text", _ => new OsuSpriteText
                 {
-                    Text = @"1",
                     Font = @"Venera",
                     UseFullGlyphHeight = false,
-                    Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
                     TextSize = 40,
-                    Alpha = 1
+                }, restrictSize: false)
+                {
+                    Text = @"1"
                 }
             };
         }

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SliderBody.cs

@@ -1,24 +1,22 @@
-// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System;
 using System.Collections.Generic;
-using osu.Framework.Allocation;
-using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Lines;
-using OpenTK.Graphics.ES30;
-using OpenTK.Graphics;
 using osu.Framework.Graphics.Primitives;
-using osu.Game.Rulesets.Objects.Types;
 using OpenTK;
+using OpenTK.Graphics;
+using OpenTK.Graphics.ES30;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
-    public class SliderBody : Container, ISliderProgress
+    public abstract class SliderBody : CompositeDrawable
     {
         private readonly SliderPath path;
+        protected Path Path => path;
+
         private readonly BufferedContainer container;
 
         public float PathWidth
@@ -30,15 +28,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
         /// <summary>
         /// Offset in absolute coordinates from the start of the curve.
         /// </summary>
-        public Vector2 PathOffset { get; private set; }
-
-        public readonly List<Vector2> CurrentCurve = new List<Vector2>();
-
-        public readonly Bindable<bool> SnakingIn = new Bindable<bool>();
-        public readonly Bindable<bool> SnakingOut = new Bindable<bool>();
-
-        public double? SnakedStart { get; private set; }
-        public double? SnakedEnd { get; private set; }
+        public virtual Vector2 PathOffset => path.PositionInBoundingBox(path.Vertices[0]);
 
         /// <summary>
         /// Used to colour the path.
@@ -74,28 +64,13 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 
         public Quad PathDrawQuad => container.ScreenSpaceDrawQuad;
 
-        private Vector2 topLeftOffset;
-
-        private readonly Slider slider;
-
-        public SliderBody(Slider s)
+        protected SliderBody()
         {
-            slider = s;
-
-            Children = new Drawable[]
+            InternalChild = container = new BufferedContainer
             {
-                container = new BufferedContainer
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    CacheDrawnFrameBuffer = true,
-                    Children = new Drawable[]
-                    {
-                        path = new SliderPath
-                        {
-                            Blending = BlendingMode.None,
-                        },
-                    }
-                },
+                RelativeSizeAxes = Axes.Both,
+                CacheDrawnFrameBuffer = true,
+                Child = path = new SliderPath { Blending = BlendingMode.None }
             };
 
             container.Attach(RenderbufferInternalFormat.DepthComponent16);
@@ -103,80 +78,14 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => path.ReceivePositionalInputAt(screenSpacePos);
 
-        public void SetRange(double p0, double p1)
+        /// <summary>
+        /// Sets the vertices of the path which should be drawn by this <see cref="SliderBody"/>.
+        /// </summary>
+        /// <param name="vertices">The vertices</param>
+        protected void SetVertices(IReadOnlyList<Vector2> vertices)
         {
-            if (p0 > p1)
-                MathHelper.Swap(ref p0, ref p1);
-
-            if (updateSnaking(p0, p1))
-            {
-                // The path is generated such that its size encloses it. This change of size causes the path
-                // to move around while snaking, so we need to offset it to make sure it maintains the
-                // same position as when it is fully snaked.
-                var newTopLeftOffset = path.PositionInBoundingBox(Vector2.Zero);
-                path.Position = topLeftOffset - newTopLeftOffset;
-
-                container.ForceRedraw();
-            }
-        }
-
-        [BackgroundDependencyLoader]
-        private void load()
-        {
-            computeSize();
-        }
-
-        private void computeSize()
-        {
-            // Generate the entire curve
-            slider.Curve.GetPathToProgress(CurrentCurve, 0, 1);
-            foreach (Vector2 p in CurrentCurve)
-                path.AddVertex(p);
-
-            Size = path.Size;
-
-            topLeftOffset = path.PositionInBoundingBox(Vector2.Zero);
-            PathOffset = path.PositionInBoundingBox(CurrentCurve[0]);
-        }
-
-        private bool updateSnaking(double p0, double p1)
-        {
-            if (SnakedStart == p0 && SnakedEnd == p1) return false;
-
-            SnakedStart = p0;
-            SnakedEnd = p1;
-
-            slider.Curve.GetPathToProgress(CurrentCurve, p0, p1);
-
-            path.ClearVertices();
-            foreach (Vector2 p in CurrentCurve)
-                path.AddVertex(p);
-
-            return true;
-        }
-
-        public void UpdateProgress(double completionProgress)
-        {
-            var span = slider.SpanAt(completionProgress);
-            var spanProgress = slider.ProgressAt(completionProgress);
-
-            double start = 0;
-            double end = SnakingIn ? MathHelper.Clamp((Time.Current - (slider.StartTime - slider.TimePreempt)) / slider.TimeFadeIn, 0, 1) : 1;
-
-            if (span >= slider.SpanCount() - 1)
-            {
-                if (Math.Min(span, slider.SpanCount() - 1) % 2 == 1)
-                {
-                    start = 0;
-                    end = SnakingOut ? spanProgress : 1;
-                }
-                else
-                {
-                    start = SnakingOut ? spanProgress : 0;
-                }
-            }
-
-            SetRange(start, end);
+            path.Vertices = vertices;
+            container.ForceRedraw();
         }
 
         private class SliderPath : SmoothPath

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SnakingSliderBody.cs

@@ -0,0 +1,105 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
+using osu.Game.Rulesets.Objects.Types;
+using OpenTK;
+
+namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
+{
+    /// <summary>
+    /// A <see cref="SliderBody"/> which changes its curve depending on the snaking progress.
+    /// </summary>
+    public class SnakingSliderBody : SliderBody, ISliderProgress
+    {
+        public readonly List<Vector2> CurrentCurve = new List<Vector2>();
+
+        public readonly Bindable<bool> SnakingIn = new Bindable<bool>();
+        public readonly Bindable<bool> SnakingOut = new Bindable<bool>();
+
+        public double? SnakedStart { get; private set; }
+        public double? SnakedEnd { get; private set; }
+
+        public override Vector2 PathOffset => snakedPathOffset;
+
+        /// <summary>
+        /// The top-left position of the path when fully snaked.
+        /// </summary>
+        private Vector2 snakedPosition;
+
+        /// <summary>
+        /// The offset of the path from <see cref="snakedPosition"/> when fully snaked.
+        /// </summary>
+        private Vector2 snakedPathOffset;
+
+        private readonly Slider slider;
+
+        public SnakingSliderBody(Slider slider)
+        {
+            this.slider = slider;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            // Generate the entire curve
+            slider.Curve.GetPathToProgress(CurrentCurve, 0, 1);
+            SetVertices(CurrentCurve);
+
+            // The body is sized to the full path size to avoid excessive autosize computations
+            Size = Path.Size;
+
+            snakedPosition = Path.PositionInBoundingBox(Vector2.Zero);
+            snakedPathOffset = Path.PositionInBoundingBox(Path.Vertices[0]);
+        }
+
+        public void UpdateProgress(double completionProgress)
+        {
+            var span = slider.SpanAt(completionProgress);
+            var spanProgress = slider.ProgressAt(completionProgress);
+
+            double start = 0;
+            double end = SnakingIn ? MathHelper.Clamp((Time.Current - (slider.StartTime - slider.TimePreempt)) / slider.TimeFadeIn, 0, 1) : 1;
+
+            if (span >= slider.SpanCount() - 1)
+            {
+                if (Math.Min(span, slider.SpanCount() - 1) % 2 == 1)
+                {
+                    start = 0;
+                    end = SnakingOut ? spanProgress : 1;
+                }
+                else
+                {
+                    start = SnakingOut ? spanProgress : 0;
+                }
+            }
+
+            setRange(start, end);
+        }
+
+        private void setRange(double p0, double p1)
+        {
+            if (p0 > p1)
+                MathHelper.Swap(ref p0, ref p1);
+
+            if (SnakedStart == p0 && SnakedEnd == p1) return;
+
+            SnakedStart = p0;
+            SnakedEnd = p1;
+
+            slider.Curve.GetPathToProgress(CurrentCurve, p0, p1);
+
+            SetVertices(CurrentCurve);
+
+            // The bounding box of the path expands as it snakes, which in turn shifts the position of the path.
+            // Depending on the direction of expansion, it may appear as if the path is expanding towards the position of the slider
+            // rather than expanding out from the position of the slider.
+            // To remove this effect, the path's position is shifted towards its final snaked position
+
+            Path.Position = snakedPosition - Path.PositionInBoundingBox(Vector2.Zero);
+        }
+    }
+}

osu.Game/Rulesets/Mods/IApplicableToBeatmap.cs

@@ -0,0 +1,22 @@
+// 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.Game.Beatmaps;
+using osu.Game.Rulesets.Objects;
+
+namespace osu.Game.Rulesets.Mods
+{
+    /// <summary>
+    /// Interface for a <see cref="Mod"/> that applies changes to a <see cref="Beatmap"/>
+    /// after conversion and post-processing has completed.
+    /// </summary>
+    public interface IApplicableToBeatmap<TObject> : IApplicableMod
+        where TObject : HitObject
+    {
+        /// <summary>
+        /// Applies this <see cref="IApplicableToBeatmap{TObject}"/> to a <see cref="Beatmap{TObject}"/>.
+        /// </summary>
+        /// <param name="beatmap">The <see cref="Beatmap{TObject}"/> to apply to.</param>
+        void ApplyToBeatmap(Beatmap<TObject> beatmap);
+    }
+}

osu.Game/Rulesets/UI/RulesetContainer.cs

@@ -238,6 +238,8 @@ namespace osu.Game.Rulesets.UI
 
             KeyBindingInputManager = CreateInputManager();
             KeyBindingInputManager.RelativeSizeAxes = Axes.Both;
+
+            applyBeatmapMods(Mods);
         }
 
         [BackgroundDependencyLoader]
@@ -255,16 +257,29 @@ namespace osu.Game.Rulesets.UI
                 KeyBindingInputManager.Add(Cursor);
 
             // Apply mods
-            applyMods(Mods, config);
+            applyRulesetMods(Mods, config);
 
             loadObjects();
         }
 
+        /// <summary>
+        /// Applies the active mods to the Beatmap.
+        /// </summary>
+        /// <param name="mods"></param>
+        private void applyBeatmapMods(IEnumerable<Mod> mods)
+        {
+            if (mods == null)
+                return;
+
+            foreach (var mod in mods.OfType<IApplicableToBeatmap<TObject>>())
+                mod.ApplyToBeatmap(Beatmap);
+        }
+
         /// <summary>
         /// Applies the active mods to this RulesetContainer.
         /// </summary>
         /// <param name="mods"></param>
-        private void applyMods(IEnumerable<Mod> mods, OsuConfigManager config)
+        private void applyRulesetMods(IEnumerable<Mod> mods, OsuConfigManager config)
         {
             if (mods == null)
                 return;

osu.Game/Screens/Select/BeatmapDetails.cs

@@ -307,10 +307,10 @@ namespace osu.Game.Screens.Select
             {
                 RelativeSizeAxes = Axes.X;
                 AutoSizeAxes = Axes.Y;
-                Alpha = 0;
 
                 InternalChild = textContainer = new FillFlowContainer
                 {
+                    Alpha = 0,
                     RelativeSizeAxes = Axes.X,
                     AutoSizeAxes = Axes.Y,
                     Spacing = new Vector2(spacing / 2),
@@ -337,7 +337,7 @@ namespace osu.Game.Screens.Select
                 {
                     if (string.IsNullOrEmpty(value))
                     {
-                        this.FadeOut(transition_duration);
+                        textContainer.FadeOut(transition_duration);
                         return;
                     }
 
@@ -345,8 +345,6 @@ namespace osu.Game.Screens.Select
                 }
             }
 
-            public override bool IsPresent => base.IsPresent || textFlow == null; // Visibility is updated in the LoadComponentAsync callback
-
             private void setTextAsync(string text)
             {
                 LoadComponentAsync(new OsuTextFlowContainer(s => s.TextSize = 14)
@@ -361,7 +359,7 @@ namespace osu.Game.Screens.Select
                     textContainer.Add(textFlow = loaded);
 
                     // fade in if we haven't yet.
-                    this.FadeIn(transition_duration);
+                    textContainer.FadeIn(transition_duration);
                 });
             }
         }

osu.Game/Screens/Select/PlaySongSelect.cs

@@ -16,7 +16,6 @@ using osu.Game.Graphics;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Mods;
 using osu.Game.Rulesets.Mods;
-using osu.Game.Screens.Edit;
 using osu.Game.Screens.Play;
 using osu.Game.Screens.Ranking;
 using osu.Game.Skinning;
@@ -68,7 +67,7 @@ namespace osu.Game.Screens.Select
             BeatmapOptions.AddButton(@"Edit", @"beatmap", FontAwesome.fa_pencil, colours.Yellow, () =>
             {
                 ValidForResume = false;
-                Push(new Editor());
+                Edit();
             }, Key.Number3);
 
             if (dialogOverlay != null)

osu.Game/Screens/Select/SongSelect.cs

@@ -223,9 +223,9 @@ namespace osu.Game.Screens.Select
             Carousel.LoadBeatmapSetsFromManager(this.beatmaps);
         }
 
-        public void Edit(BeatmapInfo beatmap)
+        public void Edit(BeatmapInfo beatmap = null)
         {
-            Beatmap.Value = beatmaps.GetWorkingBeatmap(beatmap, Beatmap.Value);
+            Beatmap.Value = beatmaps.GetWorkingBeatmap(beatmap ?? beatmapNoDebounce);
             Push(new Editor());
         }
 

osu.Game/Skinning/LegacySkin.cs

@@ -12,6 +12,7 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.IO.Stores;
 using osu.Game.Database;
+using osu.Game.Graphics.Sprites;
 using OpenTK;
 
 namespace osu.Game.Skinning
@@ -56,30 +57,39 @@ namespace osu.Game.Skinning
                 case "Play/Great":
                     componentName = "hit300";
                     break;
+                case "Play/osu/number-text":
+                    return !hasFont(Configuration.HitCircleFont) ? null : new LegacySpriteText(Textures, Configuration.HitCircleFont) { Scale = new Vector2(0.96f) };
             }
 
-            float ratio = 0.72f; // brings sizing roughly in-line with stable
+            var texture = GetTexture(componentName);
 
-            var texture = GetTexture($"{componentName}@2x");
             if (texture == null)
-            {
-                ratio *= 2;
-                texture = GetTexture(componentName);
-            }
+                return null;
 
-            if (texture == null) return null;
-
-            return new Sprite
-            {
-                Texture = texture,
-                Scale = new Vector2(ratio),
-            };
+            return new Sprite { Texture = texture };
         }
 
-        public override Texture GetTexture(string componentName) => Textures.Get(componentName);
+        public override Texture GetTexture(string componentName)
+        {
+            float ratio = 2;
+
+            var texture = Textures.Get($"{componentName}@2x");
+            if (texture == null)
+            {
+                ratio = 1;
+                texture = Textures.Get(componentName);
+            }
+
+            if (texture != null)
+                texture.ScaleAdjust = ratio / 0.72f; // brings sizing roughly in-line with stable
+
+            return texture;
+        }
 
         public override SampleChannel GetSample(string sampleName) => Samples.Get(sampleName);
 
+        private bool hasFont(string fontName) => GetTexture($"{fontName}-0") != null;
+
         protected class LegacySkinResourceStore<T> : IResourceStore<byte[]>
             where T : INamedFileInfo
         {
@@ -142,5 +152,40 @@ namespace osu.Game.Skinning
 
             #endregion
         }
+
+        private class LegacySpriteText : OsuSpriteText
+        {
+            private readonly TextureStore textures;
+            private readonly string font;
+
+            public LegacySpriteText(TextureStore textures, string font)
+            {
+                this.textures = textures;
+                this.font = font;
+
+                Shadow = false;
+                UseFullGlyphHeight = false;
+            }
+
+            protected override Texture GetTextureForCharacter(char c)
+            {
+                string textureName = $"{font}-{c}";
+
+                // Approximate value that brings character sizing roughly in-line with stable
+                float ratio = 36;
+
+                var texture = textures.Get($"{textureName}@2x");
+                if (texture == null)
+                {
+                    ratio = 18;
+                    texture = textures.Get(textureName);
+                }
+
+                if (texture != null)
+                    texture.ScaleAdjust = ratio;
+
+                return texture;
+            }
+        }
     }
 }

osu.Game/Skinning/LegacySkinDecoder.cs

@@ -19,6 +19,7 @@ namespace osu.Game.Skinning
             switch (section)
             {
                 case Section.General:
+                {
                     var pair = SplitKeyVal(line);
 
                     switch (pair.Key)
@@ -32,6 +33,20 @@ namespace osu.Game.Skinning
                     }
 
                     break;
+                }
+                case Section.Fonts:
+                {
+                    var pair = SplitKeyVal(line);
+
+                    switch (pair.Key)
+                    {
+                        case "HitCirclePrefix":
+                            skin.HitCircleFont = pair.Value;
+                            break;
+                    }
+
+                    break;
+                }
             }
 
             base.ParseLine(skin, section, line);

osu.Game/Skinning/SkinConfiguration.cs

@@ -14,5 +14,7 @@ namespace osu.Game.Skinning
         public List<Color4> ComboColours { get; set; } = new List<Color4>();
 
         public Dictionary<string, Color4> CustomColours { get; set; } = new Dictionary<string, Color4>();
+
+        public string HitCircleFont { get; set; } = "default";
     }
 }

osu.Game/Skinning/SkinnableDrawable.cs

@@ -18,6 +18,11 @@ namespace osu.Game.Skinning
     public class SkinnableDrawable<T> : SkinReloadableDrawable
         where T : Drawable
     {
+        /// <summary>
+        /// The displayed component. May or may not be a type-<typeparamref name="T"/> member.
+        /// </summary>
+        protected Drawable Drawable { get; private set; }
+
         private readonly Func<string, T> createDefault;
 
         private readonly string componentName;
@@ -31,7 +36,8 @@ namespace osu.Game.Skinning
         /// <param name="defaultImplementation">A function to create the default skin implementation of this element.</param>
         /// <param name="allowFallback">A conditional to decide whether to allow fallback to the default implementation if a skinned element is not present.</param>
         /// <param name="restrictSize">Whether a user-skin drawable should be limited to the size of our parent.</param>
-        public SkinnableDrawable(string name, Func<string, T> defaultImplementation, Func<ISkinSource, bool> allowFallback = null, bool restrictSize = true) : base(allowFallback)
+        public SkinnableDrawable(string name, Func<string, T> defaultImplementation, Func<ISkinSource, bool> allowFallback = null, bool restrictSize = true)
+            : base(allowFallback)
         {
             componentName = name;
             createDefault = defaultImplementation;
@@ -42,26 +48,27 @@ namespace osu.Game.Skinning
 
         protected override void SkinChanged(ISkinSource skin, bool allowFallback)
         {
-            var drawable = skin.GetDrawableComponent(componentName);
-            if (drawable != null)
+            Drawable = skin.GetDrawableComponent(componentName);
+
+            if (Drawable != null)
             {
                 if (restrictSize)
                 {
-                    drawable.RelativeSizeAxes = Axes.Both;
-                    drawable.Size = Vector2.One;
-                    drawable.Scale = Vector2.One;
-                    drawable.FillMode = FillMode.Fit;
+                    Drawable.RelativeSizeAxes = Axes.Both;
+                    Drawable.Size = Vector2.One;
+                    Drawable.Scale = Vector2.One;
+                    Drawable.FillMode = FillMode.Fit;
                 }
             }
             else if (allowFallback)
-                drawable = createDefault(componentName);
+                Drawable = createDefault(componentName);
 
-            if (drawable != null)
+            if (Drawable != null)
             {
-                drawable.Origin = Anchor.Centre;
-                drawable.Anchor = Anchor.Centre;
+                Drawable.Origin = Anchor.Centre;
+                Drawable.Anchor = Anchor.Centre;
 
-                InternalChild = drawable;
+                InternalChild = Drawable;
             }
             else
                 ClearInternal();

osu.Game/Skinning/SkinnableSpriteText.cs

@@ -0,0 +1,40 @@
+// Copyright (c) 2007-2018 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.Sprites;
+
+namespace osu.Game.Skinning
+{
+    public class SkinnableSpriteText : SkinnableDrawable<SpriteText>, IHasText
+    {
+        public SkinnableSpriteText(string name, Func<string, SpriteText> defaultImplementation, Func<ISkinSource, bool> allowFallback = null, bool restrictSize = true)
+            : base(name, defaultImplementation, allowFallback, restrictSize)
+        {
+        }
+
+        protected override void SkinChanged(ISkinSource skin, bool allowFallback)
+        {
+            base.SkinChanged(skin, allowFallback);
+
+            if (Drawable is IHasText textDrawable)
+                textDrawable.Text = Text;
+        }
+
+        private string text;
+
+        public string Text
+        {
+            get => text;
+            set
+            {
+                if (text == value)
+                    return;
+                text = value;
+
+                if (Drawable is IHasText textDrawable)
+                    textDrawable.Text = value;
+            }
+        }
+    }
+}

osu.Game/osu.Game.csproj

@@ -18,7 +18,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.1.4" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
-    <PackageReference Include="ppy.osu.Framework" Version="2018.1018.0" />
+    <PackageReference Include="ppy.osu.Framework" Version="2018.1030.0" />
     <PackageReference Include="SharpCompress" Version="0.22.0" />
     <PackageReference Include="NUnit" Version="3.11.0" />
     <PackageReference Include="SharpRaven" Version="2.4.0" />