Merge branch 'master'

Conflicts:
	osu-framework
	osu.Game/Screens/Play/Player.cs

LICENCE

@@ -1,4 +1,4 @@
-Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

osu-framework

@@ -1 +1 @@
-Subproject commit 8f36ddab946ff538620081ede7719461d4732b79
+Subproject commit 2610a3133721b0bc4af852342aa2a179d0e66497

osu-resources

@@ -1 +1 @@
-Subproject commit 7724abdf1d7c9705ba2e3989a9c604e17ccdc871
+Subproject commit 266965f0d795b94a126e2da302bd2c10eadd642a

osu.Desktop/osu.nuspec

@@ -12,12 +12,12 @@
         <description>click the circles. to the beat.</description>
         <summary>click the circles.</summary>
         <releaseNotes>testing</releaseNotes>
-        <copyright>Copyright ppy Pty Ltd 2007-2017</copyright>
+        <copyright>Copyright ppy Pty Ltd 2007-2018</copyright>
         <language>en-AU</language>
     </metadata>
     <files>
       <file src="*.exe" target="lib\net45\" exclude="**vshost**"/>
-      <file src="*.dll" target="lib\net45\"/>
+      <file src="*.dll" target="lib\net45\"/>
       <file src="*.config" target="lib\net45\"/>
       <file src="x86\*.dll" target="lib\net45\x86\"/>
       <file src="x64\*.dll" target="lib\net45\x64\"/>

osu.Game.Rulesets.Catch/CatchInputManager.cs

@@ -23,6 +23,5 @@ namespace osu.Game.Rulesets.Catch
         MoveRight,
         [Description("Engage dash")]
         Dash,
-        PositionUpdate
     }
 }

osu.Game.Rulesets.Catch/Objects/JuiceStream.cs

@@ -21,9 +21,7 @@ namespace osu.Game.Rulesets.Catch.Objects
         /// </summary>
         private const float base_scoring_distance = 100;
 
-        public readonly SliderCurve Curve = new SliderCurve();
+        public int RepeatCount { get; set; }
-
-        public int RepeatCount { get; set; } = 1;
 
         public double Velocity;
         public double TickDistance;
@@ -55,7 +53,7 @@ namespace osu.Game.Rulesets.Catch.Objects
 
             var length = Curve.Distance;
             var tickDistance = Math.Min(TickDistance, length);
-            var repeatDuration = length / Velocity;
+            var spanDuration = length / Velocity;
 
             var minDistanceFromEnd = Velocity * 0.01;
 
@@ -67,10 +65,10 @@ namespace osu.Game.Rulesets.Catch.Objects
                 X = X
             });
 
-            for (var repeat = 0; repeat < RepeatCount; repeat++)
+            for (var span = 0; span < this.SpanCount(); span++)
             {
-                var repeatStartTime = StartTime + repeat * repeatDuration;
+                var spanStartTime = StartTime + span * spanDuration;
-                var reversed = repeat % 2 == 1;
+                var reversed = span % 2 == 1;
 
                 for (var d = tickDistance; d <= length; d += tickDistance)
                 {
@@ -80,7 +78,7 @@ namespace osu.Game.Rulesets.Catch.Objects
                     var timeProgress = d / length;
                     var distanceProgress = reversed ? 1 - timeProgress : timeProgress;
 
-                    var lastTickTime = repeatStartTime + timeProgress * repeatDuration;
+                    var lastTickTime = spanStartTime + timeProgress * spanDuration;
                     AddNested(new Droplet
                     {
                         StartTime = lastTickTime,
@@ -95,17 +93,17 @@ namespace osu.Game.Rulesets.Catch.Objects
                     });
                 }
 
-                double tinyTickInterval = tickDistance / length * repeatDuration;
+                double tinyTickInterval = tickDistance / length * spanDuration;
                 while (tinyTickInterval > 100)
                     tinyTickInterval /= 2;
 
-                for (double t = 0; t < repeatDuration; t += tinyTickInterval)
+                for (double t = 0; t < spanDuration; t += tinyTickInterval)
                 {
-                    double progress = reversed ? 1 - t / repeatDuration : t / repeatDuration;
+                    double progress = reversed ? 1 - t / spanDuration : t / spanDuration;
 
                     AddNested(new TinyDroplet
                     {
-                        StartTime = repeatStartTime + t,
+                        StartTime = spanStartTime + t,
                         ComboColour = ComboColour,
                         X = Curve.PositionAt(progress).X / CatchPlayfield.BASE_WIDTH,
                         Samples = new List<SampleInfo>(Samples.Select(s => new SampleInfo
@@ -121,15 +119,15 @@ namespace osu.Game.Rulesets.Catch.Objects
                 {
                     Samples = Samples,
                     ComboColour = ComboColour,
-                    StartTime = repeatStartTime + repeatDuration,
+                    StartTime = spanStartTime + spanDuration,
                     X = Curve.PositionAt(reversed ? 0 : 1).X / CatchPlayfield.BASE_WIDTH
                 });
             }
         }
 
-        public double EndTime => StartTime + RepeatCount * Curve.Distance / Velocity;
+        public double EndTime => StartTime + this.SpanCount() * Curve.Distance / Velocity;
 
-        public float EndX => Curve.PositionAt(ProgressAt(1)).X / CatchPlayfield.BASE_WIDTH;
+        public float EndX => Curve.PositionAt(this.ProgressAt(1)).X / CatchPlayfield.BASE_WIDTH;
 
         public double Duration => EndTime - StartTime;
 
@@ -139,6 +137,8 @@ namespace osu.Game.Rulesets.Catch.Objects
             set { Curve.Distance = value; }
         }
 
+        public SliderCurve Curve { get; } = new SliderCurve();
+
         public List<Vector2> ControlPoints
         {
             get { return Curve.ControlPoints; }
@@ -152,17 +152,5 @@ namespace osu.Game.Rulesets.Catch.Objects
             get { return Curve.CurveType; }
             set { Curve.CurveType = value; }
         }
-
-        public Vector2 PositionAt(double progress) => Curve.PositionAt(ProgressAt(progress));
-
-        public double ProgressAt(double progress)
-        {
-            double p = progress * RepeatCount % 1;
-            if (RepeatAt(progress) % 2 == 1)
-                p = 1 - p;
-            return p;
-        }
-
-        public int RepeatAt(double progress) => (int)(progress * RepeatCount);
     }
 }

osu.Game.Rulesets.Catch/Replays/CatchAutoGenerator.cs

@@ -1,9 +1,12 @@
 // 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.Linq;
+using osu.Framework.MathUtils;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Replays;
 using osu.Game.Users;
 
@@ -23,15 +26,78 @@ namespace osu.Game.Rulesets.Catch.Replays
 
         public override Replay Generate()
         {
+            // todo: add support for HT DT
+            const double dash_speed = CatcherArea.Catcher.BASE_SPEED;
+            const double movement_speed = dash_speed / 2;
+            float lastPosition = 0.5f;
+            double lastTime = 0;
+
             // Todo: Realistically this shouldn't be needed, but the first frame is skipped with the way replays are currently handled
-            Replay.Frames.Add(new CatchReplayFrame(-100000, 0));
+            Replay.Frames.Add(new CatchReplayFrame(-100000, lastPosition));
+
+            void moveToNext(CatchHitObject h)
+            {
+                float positionChange = Math.Abs(lastPosition - h.X);
+                double timeAvailable = h.StartTime - lastTime;
+
+                //So we can either make it there without a dash or not.
+                double speedRequired = positionChange / timeAvailable;
+
+                bool dashRequired = speedRequired > movement_speed && h.StartTime != 0;
+
+                // todo: get correct catcher size, based on difficulty CS.
+                const float catcher_width_half = CatcherArea.CATCHER_SIZE / CatchPlayfield.BASE_WIDTH * 0.3f * 0.5f;
+
+                if (lastPosition - catcher_width_half < h.X && lastPosition + catcher_width_half > h.X)
+                {
+                    //we are already in the correct range.
+                    lastTime = h.StartTime;
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime, lastPosition));
+                    return;
+                }
+
+                if (h is BananaShower.Banana)
+                {
+                    // auto bananas unrealistically warp to catch 100% combo.
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime, h.X));
+                }
+                else if (h.HyperDash)
+                {
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime - timeAvailable, lastPosition, ReplayButtonState.Right1));
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime, h.X));
+                }
+                else if (dashRequired)
+                {
+                    //we do a movement in two parts - the dash part then the normal part...
+                    double timeAtNormalSpeed = positionChange / movement_speed;
+                    double timeWeNeedToSave = timeAtNormalSpeed - timeAvailable;
+                    double timeAtDashSpeed = timeWeNeedToSave / 2;
+
+                    float midPosition = (float)Interpolation.Lerp(lastPosition, h.X, (float)timeAtDashSpeed / timeAvailable);
+
+                    //dash movement
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime - timeAvailable + 1, lastPosition, ReplayButtonState.Left1));
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime - timeAvailable + timeAtDashSpeed, midPosition));
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime, h.X));
+                }
+                else
+                {
+                    double timeBefore = positionChange / movement_speed;
+
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime - timeBefore, lastPosition, ReplayButtonState.Right1));
+                    Replay.Frames.Add(new CatchReplayFrame(h.StartTime, h.X));
+                }
+
+                lastTime = h.StartTime;
+                lastPosition = h.X;
+            }
 
             foreach (var obj in Beatmap.HitObjects)
             {
                 switch (obj)
                 {
                     case Fruit _:
-                        Replay.Frames.Add(new CatchReplayFrame(obj.StartTime, obj.X));
+                        moveToNext(obj);
                         break;
                 }
 
@@ -42,7 +108,7 @@ namespace osu.Game.Rulesets.Catch.Replays
                         case BananaShower.Banana _:
                         case TinyDroplet _:
                         case Droplet _:
-                            Replay.Frames.Add(new CatchReplayFrame(nestedObj.StartTime, nestedObj.X));
+                            moveToNext(nestedObj);
                             break;
                     }
                 }

osu.Game.Rulesets.Catch/Replays/CatchFramedReplayInputHandler.cs

@@ -14,15 +14,29 @@ namespace osu.Game.Rulesets.Catch.Replays
         {
         }
 
-        public override List<InputState> GetPendingStates() => new List<InputState>
+        public override List<InputState> GetPendingStates()
         {
-            new CatchReplayState
+            if (!Position.HasValue) return new List<InputState>();
+
+            var action = new List<CatchAction>();
+
+            if (CurrentFrame.ButtonState == ReplayButtonState.Left1)
+                action.Add(CatchAction.Dash);
+
+            if (Position.Value.X > CurrentFrame.Position.X)
+                action.Add(CatchAction.MoveRight);
+            else if (Position.Value.X < CurrentFrame.Position.X)
+                action.Add(CatchAction.MoveLeft);
+
+            return new List<InputState>
             {
-                PressedActions = new List<CatchAction> { CatchAction.PositionUpdate },
+                new CatchReplayState
-                CatcherX = ((CatchReplayFrame)CurrentFrame).MouseX
+                {
-            },
+                    PressedActions = action,
-            new CatchReplayState { PressedActions = new List<CatchAction>() },
+                    CatcherX = Position.Value.X
-        };
+                },
+            };
+        }
 
         public class CatchReplayState : ReplayState<CatchAction>
         {

osu.Game.Rulesets.Catch/Replays/CatchReplayFrame.cs

@@ -9,8 +9,8 @@ namespace osu.Game.Rulesets.Catch.Replays
     {
         public override bool IsImportant => MouseX > 0;
 
-        public CatchReplayFrame(double time, float? x = null)
+        public CatchReplayFrame(double time, float? x = null, ReplayButtonState button = ReplayButtonState.None)
-            : base(time, x ?? -1, null, ReplayButtonState.None)
+            : base(time, x ?? -1, null, button)
         {
         }
     }

osu.Game.Rulesets.Catch/UI/CatcherArea.cs

@@ -21,7 +21,7 @@ using OpenTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.UI
 {
-    public class CatcherArea : Container, IKeyBindingHandler<CatchAction>
+    public class CatcherArea : Container
     {
         public const float CATCHER_SIZE = 172;
 
@@ -84,16 +84,14 @@ namespace osu.Game.Rulesets.Catch.UI
             }
         }
 
-        public bool OnPressed(CatchAction action)
+        protected override void Update()
         {
-            if (action != CatchAction.PositionUpdate) return false;
+            base.Update();
 
-            CatchFramedReplayInputHandler.CatchReplayState state = (CatchFramedReplayInputHandler.CatchReplayState)GetContainingInputManager().CurrentState;
+            var state = GetContainingInputManager().CurrentState as CatchFramedReplayInputHandler.CatchReplayState;
 
-            if (state.CatcherX.HasValue)
+            if (state?.CatcherX != null)
                 MovableCatcher.X = state.CatcherX.Value;
-
-            return true;
         }
 
         public bool OnReleased(CatchAction action) => false;

osu.Game.Rulesets.Catch/osu.Game.Rulesets.Catch.csproj

@@ -32,6 +32,10 @@
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="JetBrains.Annotations, Version=11.1.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\JetBrains.Annotations.11.1.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
       <Private>True</Private>

osu.Game.Rulesets.Catch/packages.config

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="JetBrains.Annotations" version="11.1.0" targetFramework="net461" />
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
   <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>

osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmap.cs

@@ -14,7 +14,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
         /// <summary>
         /// The definitions for each stage in a <see cref="ManiaPlayfield"/>.
         /// </summary>
-        public readonly List<StageDefinition> Stages = new List<StageDefinition>();
+        public List<StageDefinition> Stages = new List<StageDefinition>();
 
         /// <summary>
         /// Total number of columns represented by all stages in this <see cref="ManiaBeatmap"/>.
@@ -24,10 +24,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
         /// <summary>
         /// Creates a new <see cref="ManiaBeatmap"/>.
         /// </summary>
-        /// <param name="initialStage">The initial stage.</param>
+        /// <param name="defaultStage">The initial stages.</param>
-        public ManiaBeatmap(StageDefinition initialStage)
+        public ManiaBeatmap(StageDefinition defaultStage)
         {
-            Stages.Add(initialStage);
+            Stages.Add(defaultStage);
         }
     }
 }

osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmapConverter.cs

@@ -216,7 +216,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
                 if (curveData == null)
                     return HitObject.Samples;
 
-                double segmentTime = (curveData.EndTime - HitObject.StartTime) / curveData.RepeatCount;
+                double segmentTime = (curveData.EndTime - HitObject.StartTime) / curveData.SpanCount();
 
                 int index = (int)(segmentTime == 0 ? 0 : (time - HitObject.StartTime) / segmentTime);
                 return curveData.RepeatSamples[index];

osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs

@@ -25,7 +25,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
         private readonly double endTime;
         private readonly double segmentDuration;
-        private readonly int repeatCount;
+        private readonly int spanCount;
 
         private PatternType convertType;
 
@@ -39,25 +39,25 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             var distanceData = hitObject as IHasDistance;
             var repeatsData = hitObject as IHasRepeats;
 
-            repeatCount = repeatsData?.RepeatCount ?? 1;
+            spanCount = repeatsData?.SpanCount() ?? 1;
 
             TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(hitObject.StartTime);
             DifficultyControlPoint difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(hitObject.StartTime);
 
             // The true distance, accounting for any repeats
-            double distance = (distanceData?.Distance ?? 0) * repeatCount;
+            double distance = (distanceData?.Distance ?? 0) * spanCount;
             // The velocity of the osu! hit object - calculated as the velocity of a slider
             double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier / timingPoint.BeatLength;
             // The duration of the osu! hit object
             double osuDuration = distance / osuVelocity;
 
             endTime = hitObject.StartTime + osuDuration;
-            segmentDuration = (endTime - HitObject.StartTime) / repeatCount;
+            segmentDuration = (endTime - HitObject.StartTime) / spanCount;
         }
 
         public override Pattern Generate()
         {
-            if (repeatCount > 1)
+            if (spanCount > 1)
             {
                 if (segmentDuration <= 90)
                     return generateRandomHoldNotes(HitObject.StartTime, 1);
@@ -65,7 +65,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                 if (segmentDuration <= 120)
                 {
                     convertType |= PatternType.ForceNotStack;
-                    return generateRandomNotes(HitObject.StartTime, repeatCount + 1);
+                    return generateRandomNotes(HitObject.StartTime, spanCount + 1);
                 }
 
                 if (segmentDuration <= 160)
@@ -78,7 +78,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                 if (duration >= 4000)
                     return generateNRandomNotes(HitObject.StartTime, 0.23, 0, 0);
 
-                if (segmentDuration > 400 && repeatCount < TotalColumns - 1 - RandomStart)
+                if (segmentDuration > 400 && spanCount < TotalColumns - 1 - RandomStart)
                     return generateTiledHoldNotes(HitObject.StartTime);
 
                 return generateHoldAndNormalNotes(HitObject.StartTime);
@@ -212,7 +212,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             int column = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
             bool increasing = Random.NextDouble() > 0.5;
 
-            for (int i = 0; i <= repeatCount; i++)
+            for (int i = 0; i <= spanCount; i++)
             {
                 addToPattern(pattern, column, startTime, startTime);
                 startTime += segmentDuration;
@@ -262,7 +262,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             int interval = Random.Next(1, TotalColumns - (legacy ? 1 : 0));
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            for (int i = 0; i <= repeatCount; i++)
+            for (int i = 0; i <= spanCount; i++)
             {
                 addToPattern(pattern, nextColumn, startTime, startTime);
 
@@ -350,7 +350,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             var pattern = new Pattern();
 
-            int columnRepeat = Math.Min(repeatCount, TotalColumns);
+            int columnRepeat = Math.Min(spanCount, TotalColumns);
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
             if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
@@ -409,7 +409,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             int nextColumn = Random.Next(RandomStart, TotalColumns);
 
             var rowPattern = new Pattern();
-            for (int i = 0; i <= repeatCount; i++)
+            for (int i = 0; i <= spanCount; i++)
             {
                 if (!(ignoreHead && startTime == HitObject.StartTime))
                 {
@@ -442,7 +442,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             if (curveData == null)
                 return HitObject.Samples;
 
-            double segmentTime = (endTime - HitObject.StartTime) / repeatCount;
+            double segmentTime = (endTime - HitObject.StartTime) / spanCount;
 
             int index = (int)(segmentTime == 0 ? 0 : (time - HitObject.StartTime) / segmentTime);
             return curveData.RepeatSamples[index];

osu.Game.Rulesets.Mania/Configuration/ManiaConfigManager.cs

@@ -0,0 +1,34 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Configuration.Tracking;
+using osu.Game.Configuration;
+using osu.Game.Rulesets.Configuration;
+
+namespace osu.Game.Rulesets.Mania.Configuration
+{
+    public class ManiaConfigManager : RulesetConfigManager<ManiaSetting>
+    {
+        public ManiaConfigManager(SettingsStore settings, RulesetInfo ruleset, int variant)
+            : base(settings, ruleset, variant)
+        {
+        }
+
+        protected override void InitialiseDefaults()
+        {
+            base.InitialiseDefaults();
+
+            Set(ManiaSetting.ScrollTime, 1500.0, 50.0, 10000.0, 50.0);
+        }
+
+        public override TrackedSettings CreateTrackedSettings() => new TrackedSettings
+        {
+            new TrackedSetting<double>(ManiaSetting.ScrollTime, v => new SettingDescription(v, "Scroll Time", $"{v}ms"))
+        };
+    }
+
+    public enum ManiaSetting
+    {
+        ScrollTime
+    }
+}

osu.Game.Rulesets.Mania/ManiaInputManager.cs

@@ -17,8 +17,13 @@ namespace osu.Game.Rulesets.Mania
 
     public enum ManiaAction
     {
-        [Description("Special")]
+        [Description("Special 1")]
-        Special,
+        Special1 = 1,
+        [Description("Special 2")]
+        Special2,
+
+        // This offsets the start value of normal keys in-case we add more special keys
+        // above at a later time, without breaking replays/configs.
         [Description("Key 1")]
         Key1 = 10,
         [Description("Key 2")]
@@ -36,6 +41,24 @@ namespace osu.Game.Rulesets.Mania
         [Description("Key 8")]
         Key8,
         [Description("Key 9")]
-        Key9
+        Key9,
+        [Description("Key 10")]
+        Key10,
+        [Description("Key 11")]
+        Key11,
+        [Description("Key 12")]
+        Key12,
+        [Description("Key 13")]
+        Key13,
+        [Description("Key 14")]
+        Key14,
+        [Description("Key 15")]
+        Key15,
+        [Description("Key 16")]
+        Key16,
+        [Description("Key 17")]
+        Key17,
+        [Description("Key 18")]
+        Key18,
     }
 }

osu.Game.Rulesets.Mania/ManiaRuleset.cs

@@ -1,12 +1,14 @@
 // 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.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.Mods;
 using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 using System.Collections.Generic;
+using System.Linq;
 using osu.Framework.Graphics;
 using osu.Framework.Input.Bindings;
 using osu.Game.Graphics;
@@ -86,7 +88,7 @@ namespace osu.Game.Rulesets.Mania
                             },
                         },
                         new ManiaModRandom(),
-                        new ManiaModKeyCoop(),
+                        new ManiaModDualStages(),
                         new MultiMod
                         {
                             Mods = new Mod[]
@@ -117,42 +119,189 @@ namespace osu.Game.Rulesets.Mania
         {
         }
 
-        public override IEnumerable<int> AvailableVariants => new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+        public override IEnumerable<int> AvailableVariants
+        {
+            get
+            {
+                for (int i = 1; i <= 9; i++)
+                    yield return (int)PlayfieldType.Single + i;
+                for (int i = 2; i <= 18; i += 2)
+                    yield return (int)PlayfieldType.Dual + i;
+            }
+        }
 
         public override IEnumerable<KeyBinding> GetDefaultKeyBindings(int variant = 0)
         {
-            var leftKeys = new[]
+            switch (getPlayfieldType(variant))
             {
-                InputKey.A,
+                case PlayfieldType.Single:
-                InputKey.S,
+                    return new VariantMappingGenerator
-                InputKey.D,
+                    {
-                InputKey.F
+                        LeftKeys = new[]
-            };
+                        {
+                            InputKey.A,
+                            InputKey.S,
+                            InputKey.D,
+                            InputKey.F
+                        },
+                        RightKeys = new[]
+                        {
+                            InputKey.J,
+                            InputKey.K,
+                            InputKey.L,
+                            InputKey.Semicolon
+                        },
+                        SpecialKey = InputKey.Space,
+                        SpecialAction = ManiaAction.Special1,
+                        NormalActionStart = ManiaAction.Key1,
+                    }.GenerateKeyBindingsFor(variant, out _);
+                case PlayfieldType.Dual:
+                    int keys = getDualStageKeyCount(variant);
 
-            var rightKeys = new[]
+                    var stage1Bindings = new VariantMappingGenerator
-            {
+                    {
-                InputKey.J,
+                        LeftKeys = new[]
-                InputKey.K,
+                        {
-                InputKey.L,
+                            InputKey.Number1,
-                InputKey.Semicolon
+                            InputKey.Number2,
-            };
+                            InputKey.Number3,
+                            InputKey.Number4,
+                        },
+                        RightKeys = new[]
+                        {
+                            InputKey.Z,
+                            InputKey.X,
+                            InputKey.C,
+                            InputKey.V
+                        },
+                        SpecialKey = InputKey.Tilde,
+                        SpecialAction = ManiaAction.Special1,
+                        NormalActionStart = ManiaAction.Key1
+                    }.GenerateKeyBindingsFor(keys, out var nextNormal);
 
-            ManiaAction currentKey = ManiaAction.Key1;
+                    var stage2Bindings = new VariantMappingGenerator
+                    {
+                        LeftKeys = new[]
+                        {
+                            InputKey.Number7,
+                            InputKey.Number8,
+                            InputKey.Number9,
+                            InputKey.Number0
+                        },
+                        RightKeys = new[]
+                        {
+                            InputKey.O,
+                            InputKey.P,
+                            InputKey.BracketLeft,
+                            InputKey.BracketRight
+                        },
+                        SpecialKey = InputKey.BackSlash,
+                        SpecialAction = ManiaAction.Special2,
+                        NormalActionStart = nextNormal
+                    }.GenerateKeyBindingsFor(keys, out _);
 
-            var bindings = new List<KeyBinding>();
+                    return stage1Bindings.Concat(stage2Bindings);
+            }
 
-            for (int i = leftKeys.Length - variant / 2; i < leftKeys.Length; i++)
+            return new KeyBinding[0];
-                bindings.Add(new KeyBinding(leftKeys[i], currentKey++));
-
-            for (int i = 0; i < variant / 2; i++)
-                bindings.Add(new KeyBinding(rightKeys[i], currentKey++));
-
-            if (variant % 2 == 1)
-                bindings.Add(new KeyBinding(InputKey.Space, ManiaAction.Special));
-
-            return bindings;
         }
 
-        public override string GetVariantName(int variant) => $"{variant}K";
+        public override string GetVariantName(int variant)
+        {
+            switch (getPlayfieldType(variant))
+            {
+                default:
+                    return $"{variant}K";
+                case PlayfieldType.Dual:
+                {
+                    var keys = getDualStageKeyCount(variant);
+                    return $"{keys}K + {keys}K";
+                }
+            }
+        }
+
+        /// <summary>
+        /// Finds the number of keys for each stage in a <see cref="PlayfieldType.Dual"/> variant.
+        /// </summary>
+        /// <param name="variant">The variant.</param>
+        private int getDualStageKeyCount(int variant) => (variant - (int)PlayfieldType.Dual) / 2;
+
+        /// <summary>
+        /// Finds the <see cref="PlayfieldType"/> that corresponds to a variant value.
+        /// </summary>
+        /// <param name="variant">The variant value.</param>
+        /// <returns>The <see cref="PlayfieldType"/> that corresponds to <paramref name="variant"/>.</returns>
+        private PlayfieldType getPlayfieldType(int variant)
+        {
+            return (PlayfieldType)Enum.GetValues(typeof(PlayfieldType)).Cast<int>().OrderByDescending(i => i).First(v => variant >= v);
+        }
+
+        private class VariantMappingGenerator
+        {
+            /// <summary>
+            /// All the <see cref="InputKey"/>s available to the left hand.
+            /// </summary>
+            public InputKey[] LeftKeys;
+
+            /// <summary>
+            /// All the <see cref="InputKey"/>s available to the right hand.
+            /// </summary>
+            public InputKey[] RightKeys;
+
+            /// <summary>
+            /// The <see cref="InputKey"/> for the special key.
+            /// </summary>
+            public InputKey SpecialKey;
+
+            /// <summary>
+            /// The <see cref="ManiaAction"/> at which the normal columns should begin.
+            /// </summary>
+            public ManiaAction NormalActionStart;
+
+            /// <summary>
+            /// The <see cref="ManiaAction"/> for the special column.
+            /// </summary>
+            public ManiaAction SpecialAction;
+
+            /// <summary>
+            /// Generates a list of <see cref="KeyBinding"/>s for a specific number of columns.
+            /// </summary>
+            /// <param name="columns">The number of columns that need to be bound.</param>
+            /// <param name="nextNormalAction">The next <see cref="ManiaAction"/> to use for normal columns.</param>
+            /// <returns>The keybindings.</returns>
+            public IEnumerable<KeyBinding> GenerateKeyBindingsFor(int columns, out ManiaAction nextNormalAction)
+            {
+                ManiaAction currentNormalAction = NormalActionStart;
+
+                var bindings = new List<KeyBinding>();
+
+                for (int i = LeftKeys.Length - columns / 2; i < LeftKeys.Length; i++)
+                    bindings.Add(new KeyBinding(LeftKeys[i], currentNormalAction++));
+
+                for (int i = 0; i < columns / 2; i++)
+                    bindings.Add(new KeyBinding(RightKeys[i], currentNormalAction++));
+
+                if (columns % 2 == 1)
+                    bindings.Add(new KeyBinding(SpecialKey, SpecialAction));
+
+                nextNormalAction = currentNormalAction;
+                return bindings;
+            }
+        }
+    }
+
+    public enum PlayfieldType
+    {
+        /// <summary>
+        /// Columns are grouped into a single stage.
+        /// Number of columns in this stage lies at (item - Single).
+        /// </summary>
+        Single = 0,
+        /// <summary>
+        /// Columns are grouped into two stages.
+        /// Overall number of columns lies at (item - Dual), further computation is required for
+        /// number of columns in each individual stage.
+        /// </summary>
+        Dual = 1000,
     }
 }

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

@@ -0,0 +1,15 @@
+// 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.Rulesets.Mods;
+
+namespace osu.Game.Rulesets.Mania.Mods
+{
+    public interface IPlayfieldTypeMod : IApplicableMod
+    {
+        /// <summary>
+        /// The <see cref="PlayfieldType"/> which this <see cref="IPlayfieldTypeMod"/> requires.
+        /// </summary>
+        PlayfieldType PlayfieldType { get; }
+    }
+}

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

@@ -0,0 +1,53 @@
+// 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 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<ManiaHitObject>, IApplicableToRulesetContainer<ManiaHitObject>
+    {
+        public override string Name => "Dual Stages";
+        public override string ShortenedName => "DS";
+        public override string Description => @"Double the stages, double the fun!";
+        public override double ScoreMultiplier => 1;
+        public override bool Ranked => false;
+
+        public void ApplyToBeatmapConverter(BeatmapConverter<ManiaHitObject> beatmapConverter)
+        {
+            var mbc = (ManiaBeatmapConverter)beatmapConverter;
+
+            // Although this can work, for now let's not allow keymods for mania-specific beatmaps
+            if (mbc.IsForCurrentRuleset)
+                return;
+
+            mbc.TargetColumns *= 2;
+        }
+
+        public void ApplyToRulesetContainer(RulesetContainer<ManiaHitObject> rulesetContainer)
+        {
+            var mrc = (ManiaRulesetContainer)rulesetContainer;
+
+            // Although this can work, for now let's not allow keymods for mania-specific beatmaps
+            if (mrc.IsForCurrentRuleset)
+                return;
+
+            var newDefinitions = new List<StageDefinition>();
+            foreach (var existing in mrc.Beatmap.Stages)
+            {
+                newDefinitions.Add(new StageDefinition { Columns = existing.Columns / 2 });
+                newDefinitions.Add(new StageDefinition { Columns = existing.Columns / 2 });
+            }
+
+            mrc.Beatmap.Stages = newDefinitions;
+        }
+
+        public PlayfieldType PlayfieldType => PlayfieldType.Dual;
+    }
+}

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

@@ -1,16 +0,0 @@
-// 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.Rulesets.Mods;
-
-namespace osu.Game.Rulesets.Mania.Mods
-{
-    public class ManiaModKeyCoop : Mod
-    {
-        public override string Name => "KeyCoop";
-        public override string ShortenedName => "2P";
-        public override string Description => @"Double the key amount, double the fun!";
-        public override double ScoreMultiplier => 1;
-        public override bool Ranked => true;
-    }
-}

osu.Game.Rulesets.Mania/Tests/TestCaseManiaHitObjects.cs

@@ -78,7 +78,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                                 RelativeChildSize = new Vector2(1, 10000),
                                 Children = new[]
                                 {
-                                    new DrawableHoldNote(new HoldNote { Duration = 1 }, ManiaAction.Key1)
+                                    new DrawableHoldNote(new HoldNote { Duration = 1000 } , ManiaAction.Key1)
                                     {
                                         Y = 5000,
                                         Height = 1000,

osu.Game.Rulesets.Mania/Tests/TestCaseManiaPlayfield.cs

@@ -2,11 +2,13 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Timing;
+using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Judgements;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
@@ -31,15 +33,43 @@ namespace osu.Game.Rulesets.Mania.Tests
         {
             var rng = new Random(1337);
 
-            AddStep("1 column", () => createPlayfield(1, SpecialColumnPosition.Normal));
+            AddStep("1 column", () => createPlayfield(1));
-            AddStep("4 columns", () => createPlayfield(4, SpecialColumnPosition.Normal));
+            AddStep("4 columns", () => createPlayfield(4));
-            AddStep("Left special style", () => createPlayfield(4, SpecialColumnPosition.Left));
+            AddStep("5 columns", () => createPlayfield(5));
-            AddStep("Right special style", () => createPlayfield(4, SpecialColumnPosition.Right));
+            AddStep("8 columns", () => createPlayfield(8));
-            AddStep("5 columns", () => createPlayfield(5, SpecialColumnPosition.Normal));
+            AddStep("4 + 4 columns", () =>
-            AddStep("8 columns", () => createPlayfield(8, SpecialColumnPosition.Normal));
+            {
-            AddStep("Left special style", () => createPlayfield(8, SpecialColumnPosition.Left));
+                var stages = new List<StageDefinition>
-            AddStep("Right special style", () => createPlayfield(8, SpecialColumnPosition.Right));
+                {
-            AddStep("Reversed", () => createPlayfield(4, SpecialColumnPosition.Normal, true));
+                    new StageDefinition { Columns = 4 },
+                    new StageDefinition { Columns = 4 },
+                };
+                createPlayfield(stages);
+            });
+
+            AddStep("2 + 4 + 2 columns", () =>
+            {
+                var stages = new List<StageDefinition>
+                {
+                    new StageDefinition { Columns = 2 },
+                    new StageDefinition { Columns = 4 },
+                    new StageDefinition { Columns = 2 },
+                };
+                createPlayfield(stages);
+            });
+
+            AddStep("1 + 8 + 1 columns", () =>
+            {
+                var stages = new List<StageDefinition>
+                {
+                    new StageDefinition { Columns = 1 },
+                    new StageDefinition { Columns = 8 },
+                    new StageDefinition { Columns = 1 },
+                };
+                createPlayfield(stages);
+            });
+
+            AddStep("Reversed", () => createPlayfield(4, true));
 
             AddStep("Notes with input", () => createPlayfieldWithNotes());
             AddStep("Notes with input (reversed)", () => createPlayfieldWithNotes(true));
@@ -48,7 +78,7 @@ namespace osu.Game.Rulesets.Mania.Tests
 
             AddStep("Hit explosion", () =>
             {
-                var playfield = createPlayfield(4, SpecialColumnPosition.Normal);
+                var playfield = createPlayfield(4);
 
                 int col = rng.Next(0, 4);
 
@@ -58,6 +88,7 @@ namespace osu.Game.Rulesets.Mania.Tests
                 };
 
                 playfield.OnJudgement(note, new ManiaJudgement { Result = HitResult.Perfect });
+                playfield.Columns[col].OnJudgement(note, new ManiaJudgement { Result = HitResult.Perfect });
             });
         }
 
@@ -67,19 +98,29 @@ namespace osu.Game.Rulesets.Mania.Tests
             maniaRuleset = rulesets.GetRuleset(3);
         }
 
-        private ManiaPlayfield createPlayfield(int cols, SpecialColumnPosition specialPos, bool inverted = false)
+        private ManiaPlayfield createPlayfield(int cols, bool inverted = false)
+        {
+            var stages = new List<StageDefinition>
+            {
+                new StageDefinition { Columns = cols },
+            };
+
+            return createPlayfield(stages, inverted);
+        }
+
+        private ManiaPlayfield createPlayfield(List<StageDefinition> stages, bool inverted = false)
         {
             Clear();
 
-            var inputManager = new ManiaInputManager(maniaRuleset, cols) { RelativeSizeAxes = Axes.Both };
+            var inputManager = new ManiaInputManager(maniaRuleset, stages.Sum(g => g.Columns)) { RelativeSizeAxes = Axes.Both };
             Add(inputManager);
 
             ManiaPlayfield playfield;
-            inputManager.Add(playfield = new ManiaPlayfield(cols)
+
+            inputManager.Add(playfield = new ManiaPlayfield(stages)
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
-                SpecialColumnPosition = specialPos
             });
 
             playfield.Inverted.Value = inverted;
@@ -97,7 +138,12 @@ namespace osu.Game.Rulesets.Mania.Tests
             Add(inputManager);
 
             ManiaPlayfield playfield;
-            inputManager.Add(playfield = new ManiaPlayfield(4)
+            var stages = new List<StageDefinition>
+            {
+                new StageDefinition { Columns = 4 },
+            };
+
+            inputManager.Add(playfield = new ManiaPlayfield(stages)
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,

osu.Game.Rulesets.Mania/UI/Column.cs

@@ -11,13 +11,14 @@ using osu.Framework.Graphics.Colour;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Objects.Drawables;
 using System;
+using System.Linq;
 using osu.Framework.Input.Bindings;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.UI.Scrolling;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
-    public class Column : ScrollingPlayfield, IHasAccentColour
+    public class Column : ScrollingPlayfield, IKeyBindingHandler<ManiaAction>, IHasAccentColour
     {
         private const float key_icon_size = 10;
         private const float key_icon_corner_radius = 3;
@@ -47,6 +48,7 @@ namespace osu.Game.Rulesets.Mania.UI
         public Column()
             : base(ScrollingDirection.Up)
         {
+            RelativeSizeAxes = Axes.Y;
             Width = column_width;
 
             InternalChildren = new Drawable[]
@@ -61,7 +63,7 @@ namespace osu.Game.Rulesets.Mania.UI
                 {
                     Name = "Hit target + hit objects",
                     RelativeSizeAxes = Axes.Both,
-                    Padding = new MarginPadding { Top = ManiaPlayfield.HIT_TARGET_POSITION },
+                    Padding = new MarginPadding { Top = ManiaStage.HIT_TARGET_POSITION },
                     Children = new Drawable[]
                     {
                         new Container
@@ -115,7 +117,7 @@ namespace osu.Game.Rulesets.Mania.UI
                 {
                     Name = "Key",
                     RelativeSizeAxes = Axes.X,
-                    Height = ManiaPlayfield.HIT_TARGET_POSITION,
+                    Height = ManiaStage.HIT_TARGET_POSITION,
                     Children = new Drawable[]
                     {
                         new Box
@@ -205,12 +207,12 @@ namespace osu.Game.Rulesets.Mania.UI
         {
             hitObject.Depth = (float)hitObject.HitObject.StartTime;
             hitObject.AccentColour = AccentColour;
-            hitObject.OnJudgement += onJudgement;
+            hitObject.OnJudgement += OnJudgement;
 
             HitObjects.Add(hitObject);
         }
 
-        private void onJudgement(DrawableHitObject judgedObject, Judgement judgement)
+        internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
         {
             if (!judgement.IsHit)
                 return;
@@ -258,5 +260,26 @@ namespace osu.Game.Rulesets.Mania.UI
             public bool OnPressed(ManiaAction action) => Pressed?.Invoke(action) ?? false;
             public bool OnReleased(ManiaAction action) => Released?.Invoke(action) ?? false;
         }
+
+        public bool OnPressed(ManiaAction action)
+        {
+            // Play the sounds of the next hitobject
+            if (HitObjects.AliveObjects.Any())
+            {
+                // If there are alive hitobjects, we can abuse the fact that AliveObjects are sorted by time (see: Add())
+                HitObjects.AliveObjects.First().PlaySamples();
+            }
+            else
+            {
+                // If not, we do a slow search - we might want to do a BinarySearch here if this becomes problematic
+                // We fallback to LastOrDefault() if we're beyond the last note in the map
+                var hitObject = HitObjects.Objects.FirstOrDefault(h => h.HitObject.StartTime > Time.Current) ?? HitObjects.Objects.LastOrDefault();
+                hitObject?.PlaySamples();
+            }
+
+            return false;
+        }
+
+        public bool OnReleased(ManiaAction action) => false;
     }
 }

osu.Game.Rulesets.Mania/UI/DrawableManiaJudgement.cs

@@ -9,7 +9,7 @@ namespace osu.Game.Rulesets.Mania.UI
     internal class DrawableManiaJudgement : DrawableJudgement
     {
         public DrawableManiaJudgement(Judgement judgement)
-        : base(judgement)
+            : base(judgement)
         {
             JudgementText.TextSize = 25;
         }

osu.Game.Rulesets.Mania/UI/ManiaPlayfield.cs

@@ -3,237 +3,92 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Mania.Objects;
-using OpenTK;
-using OpenTK.Graphics;
 using osu.Framework.Graphics.Containers;
 using System;
-using osu.Game.Graphics;
-using osu.Framework.Allocation;
-using System.Linq;
 using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Allocation;
 using osu.Framework.Configuration;
-using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Rulesets.Mania.Objects.Drawables;
-using osu.Framework.Graphics.Shapes;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Mania.Configuration;
 using osu.Game.Rulesets.UI.Scrolling;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
     public class ManiaPlayfield : ScrollingPlayfield
     {
-        public const float HIT_TARGET_POSITION = 50;
-
-        private SpecialColumnPosition specialColumnPosition;
-        /// <summary>
-        /// The style to use for the special column.
-        /// </summary>
-        public SpecialColumnPosition SpecialColumnPosition
-        {
-            get { return specialColumnPosition; }
-            set
-            {
-                if (IsLoaded)
-                    throw new InvalidOperationException($"Setting {nameof(SpecialColumnPosition)} after the playfield is loaded requires re-creating the playfield.");
-                specialColumnPosition = value;
-            }
-        }
-
         /// <summary>
         /// Whether this playfield should be inverted. This flips everything inside the playfield.
         /// </summary>
         public readonly Bindable<bool> Inverted = new Bindable<bool>(true);
 
-        private readonly FlowContainer<Column> columns;
+        public List<Column> Columns => stages.SelectMany(x => x.Columns).ToList();
-        public IEnumerable<Column> Columns => columns.Children;
+        private readonly List<ManiaStage> stages = new List<ManiaStage>();
 
-        protected override Container<Drawable> Content => content;
+        public ManiaPlayfield(List<StageDefinition> stageDefinitions)
-        private readonly Container<Drawable> content;
-
-        private List<Color4> normalColumnColours = new List<Color4>();
-        private Color4 specialColumnColour;
-
-        private readonly Container<DrawableManiaJudgement> judgements;
-
-        private readonly int columnCount;
-
-        public ManiaPlayfield(int columnCount)
             : base(ScrollingDirection.Up)
         {
-            this.columnCount = columnCount;
+            if (stageDefinitions == null)
+                throw new ArgumentNullException(nameof(stageDefinitions));
 
-            if (columnCount <= 0)
+            if (stageDefinitions.Count <= 0)
-                throw new ArgumentException("Can't have zero or fewer columns.");
+                throw new ArgumentException("Can't have zero or fewer stages.");
 
             Inverted.Value = true;
 
-            Container topLevelContainer;
+            GridContainer playfieldGrid;
-            InternalChildren = new Drawable[]
+            InternalChild = playfieldGrid = new GridContainer
             {
-                new Container
+                RelativeSizeAxes = Axes.Both,
-                {
+                Content = new[] { new Drawable[stageDefinitions.Count] }
-                    Name = "Playfield elements",
-                    Anchor = Anchor.TopCentre,
-                    Origin = Anchor.TopCentre,
-                    RelativeSizeAxes = Axes.Y,
-                    AutoSizeAxes = Axes.X,
-                    Children = new Drawable[]
-                    {
-                        new Container
-                        {
-                            Name = "Columns mask",
-                            RelativeSizeAxes = Axes.Y,
-                            AutoSizeAxes = Axes.X,
-                            Masking = true,
-                            Children = new Drawable[]
-                            {
-                                new Box
-                                {
-                                    Name = "Background",
-                                    RelativeSizeAxes = Axes.Both,
-                                    Colour = Color4.Black
-                                },
-                                columns = new FillFlowContainer<Column>
-                                {
-                                    Name = "Columns",
-                                    RelativeSizeAxes = Axes.Y,
-                                    AutoSizeAxes = Axes.X,
-                                    Direction = FillDirection.Horizontal,
-                                    Padding = new MarginPadding { Left = 1, Right = 1 },
-                                    Spacing = new Vector2(1, 0)
-                                },
-                            }
-                        },
-                        new Container
-                        {
-                            Name = "Barlines mask",
-                            Anchor = Anchor.TopCentre,
-                            Origin = Anchor.TopCentre,
-                            RelativeSizeAxes = Axes.Y,
-                            Width = 1366, // Bar lines should only be masked on the vertical axis
-                            BypassAutoSizeAxes = Axes.Both,
-                            Masking = true,
-                            Child = content = new Container
-                            {
-                                Name = "Bar lines",
-                                Anchor = Anchor.TopCentre,
-                                Origin = Anchor.TopCentre,
-                                RelativeSizeAxes = Axes.Y,
-                                Padding = new MarginPadding { Top = HIT_TARGET_POSITION }
-                            }
-                        },
-                        judgements = new Container<DrawableManiaJudgement>
-                        {
-                            Anchor = Anchor.TopCentre,
-                            Origin = Anchor.Centre,
-                            AutoSizeAxes = Axes.Both,
-                            Y = HIT_TARGET_POSITION + 150,
-                            BypassAutoSizeAxes = Axes.Both
-                        },
-                        topLevelContainer = new Container { RelativeSizeAxes = Axes.Both }
-                    }
-                }
             };
 
-            var currentAction = ManiaAction.Key1;
+            var normalColumnAction = ManiaAction.Key1;
-            for (int i = 0; i < columnCount; i++)
+            var specialColumnAction = ManiaAction.Special1;
+            int firstColumnIndex = 0;
+            for (int i = 0; i < stageDefinitions.Count; i++)
             {
-                var c = new Column();
+                var newStage = new ManiaStage(firstColumnIndex, stageDefinitions[i], ref normalColumnAction, ref specialColumnAction);
-                c.VisibleTimeRange.BindTo(VisibleTimeRange);
+                newStage.VisibleTimeRange.BindTo(VisibleTimeRange);
+                newStage.Inverted.BindTo(Inverted);
 
-                c.IsSpecial = isSpecialColumn(i);
+                playfieldGrid.Content[0][i] = newStage;
-                c.Action = c.IsSpecial ? ManiaAction.Special : currentAction++;
 
-                topLevelContainer.Add(c.TopLevelContainer.CreateProxy());
+                stages.Add(newStage);
+                AddNested(newStage);
 
-                columns.Add(c);
+                firstColumnIndex += newStage.Columns.Count;
-                AddNested(c);
             }
-
-            Inverted.ValueChanged += invertedChanged;
-            Inverted.TriggerChange();
         }
 
-        private void invertedChanged(bool newValue)
+        public override void Add(DrawableHitObject h) => getStageByColumn(((ManiaHitObject)h.HitObject).Column).Add(h);
+
+        public void Add(BarLine barline) => stages.ForEach(s => s.Add(barline));
+
+        private ManiaStage getStageByColumn(int column)
         {
-            Scale = new Vector2(1, newValue ? -1 : 1);
+            int sum = 0;
-            judgements.Scale = Scale;
+            foreach (var stage in stages)
+            {
+                sum = sum + stage.Columns.Count;
+                if (sum > column)
+                    return stage;
+            }
+
+            return null;
         }
 
         [BackgroundDependencyLoader]
-        private void load(OsuColour colours)
+        private void load(ManiaConfigManager maniaConfig)
         {
-            normalColumnColours = new List<Color4>
+            maniaConfig.BindWith(ManiaSetting.ScrollTime, VisibleTimeRange);
-            {
-                colours.RedDark,
-                colours.GreenDark
-            };
-
-            specialColumnColour = colours.BlueDark;
-
-            // Set the special column + colour + key
-            foreach (var column in Columns)
-            {
-                if (!column.IsSpecial)
-                    continue;
-
-                column.AccentColour = specialColumnColour;
-            }
-
-            var nonSpecialColumns = Columns.Where(c => !c.IsSpecial).ToList();
-
-            // We'll set the colours of the non-special columns in a separate loop, because the non-special
-            // column colours are mirrored across their centre and special styles mess with this
-            for (int i = 0; i < Math.Ceiling(nonSpecialColumns.Count / 2f); i++)
-            {
-                Color4 colour = normalColumnColours[i % normalColumnColours.Count];
-                nonSpecialColumns[i].AccentColour = colour;
-                nonSpecialColumns[nonSpecialColumns.Count - 1 - i].AccentColour = colour;
-            }
         }
 
         internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
         {
-            judgements.Clear();
+            getStageByColumn(((ManiaHitObject)judgedObject.HitObject).Column).OnJudgement(judgedObject, judgement);
-            judgements.Add(new DrawableManiaJudgement(judgement)
-            {
-                Anchor = Anchor.Centre,
-                Origin = Anchor.Centre,
-            });
-        }
-
-        /// <summary>
-        /// Whether the column index is a special column for this playfield.
-        /// </summary>
-        /// <param name="column">The 0-based column index.</param>
-        /// <returns>Whether the column is a special column.</returns>
-        private bool isSpecialColumn(int column)
-        {
-            switch (SpecialColumnPosition)
-            {
-                default:
-                case SpecialColumnPosition.Normal:
-                    return columnCount % 2 == 1 && column == columnCount / 2;
-                case SpecialColumnPosition.Left:
-                    return column == 0;
-                case SpecialColumnPosition.Right:
-                    return column == columnCount - 1;
-            }
-        }
-
-        public override void Add(DrawableHitObject h)
-        {
-            h.OnJudgement += OnJudgement;
-            Columns.ElementAt(((ManiaHitObject)h.HitObject).Column).Add(h);
-        }
-
-        public void Add(DrawableBarLine barline) => HitObjects.Add(barline);
-
-        protected override void Update()
-        {
-            // Due to masking differences, it is not possible to get the width of the columns container automatically
-            // While masking on effectively only the Y-axis, so we need to set the width of the bar line container manually
-            content.Width = columns.Width;
         }
     }
 }

osu.Game.Rulesets.Mania/UI/ManiaRulesetContainer.cs

@@ -3,7 +3,6 @@
 
 using System.Collections.Generic;
 using System.Linq;
-using OpenTK;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
@@ -11,7 +10,11 @@ using osu.Framework.Input;
 using osu.Framework.MathUtils;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Configuration;
+using osu.Game.Rulesets.Configuration;
 using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.Mods;
+using osu.Game.Rulesets.Mania.Configuration;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.Replays;
@@ -22,6 +25,7 @@ using osu.Game.Rulesets.Replays;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
+using OpenTK;
 
 namespace osu.Game.Rulesets.Mania.UI
 {
@@ -29,7 +33,7 @@ namespace osu.Game.Rulesets.Mania.UI
     {
         public new ManiaBeatmap Beatmap => (ManiaBeatmap)base.Beatmap;
 
-        public IEnumerable<DrawableBarLine> BarLines;
+        public IEnumerable<BarLine> BarLines;
 
         public ManiaRulesetContainer(Ruleset ruleset, WorkingBeatmap beatmap, bool isForCurrentRuleset)
             : base(ruleset, beatmap, isForCurrentRuleset)
@@ -38,7 +42,7 @@ namespace osu.Game.Rulesets.Mania.UI
             double lastObjectTime = (Objects.LastOrDefault() as IHasEndTime)?.EndTime ?? Objects.LastOrDefault()?.StartTime ?? double.MaxValue;
 
             var timingPoints = Beatmap.ControlPointInfo.TimingPoints;
-            var barLines = new List<DrawableBarLine>();
+            var barLines = new List<BarLine>();
 
             for (int i = 0; i < timingPoints.Count; i++)
             {
@@ -50,12 +54,12 @@ namespace osu.Game.Rulesets.Mania.UI
                 int index = 0;
                 for (double t = timingPoints[i].Time; Precision.DefinitelyBigger(endTime, t); t += point.BeatLength, index++)
                 {
-                    barLines.Add(new DrawableBarLine(new BarLine
+                    barLines.Add(new BarLine
                     {
                         StartTime = t,
                         ControlPoint = point,
                         BeatIndex = index
-                    }));
+                    });
                 }
             }
 
@@ -68,7 +72,7 @@ namespace osu.Game.Rulesets.Mania.UI
             BarLines.ForEach(Playfield.Add);
         }
 
-        protected sealed override Playfield CreatePlayfield() => new ManiaPlayfield(Beatmap.TotalColumns)
+        protected sealed override Playfield CreatePlayfield() => new ManiaPlayfield(Beatmap.Stages)
         {
             Anchor = Anchor.Centre,
             Origin = Anchor.Centre,
@@ -76,7 +80,9 @@ namespace osu.Game.Rulesets.Mania.UI
 
         public override ScoreProcessor CreateScoreProcessor() => new ManiaScoreProcessor(this);
 
-        public override PassThroughInputManager CreateInputManager() => new ManiaInputManager(Ruleset.RulesetInfo, Beatmap.TotalColumns);
+        public override int Variant => (int)(Mods.OfType<IPlayfieldTypeMod>().FirstOrDefault()?.PlayfieldType ?? PlayfieldType.Single) + Beatmap.TotalColumns;
+
+        public override PassThroughInputManager CreateInputManager() => new ManiaInputManager(Ruleset.RulesetInfo, Variant);
 
         protected override BeatmapConverter<ManiaHitObject> CreateBeatmapConverter() => new ManiaBeatmapConverter(IsForCurrentRuleset, WorkingBeatmap.Beatmap);
 
@@ -98,5 +104,7 @@ namespace osu.Game.Rulesets.Mania.UI
         protected override Vector2 GetPlayfieldAspectAdjust() => new Vector2(1, 0.8f);
 
         protected override FramedReplayInputHandler CreateReplayInputHandler(Replay replay) => new ManiaFramedReplayInputHandler(replay, this);
+
+        protected override IRulesetConfigManager CreateConfig(Ruleset ruleset, SettingsStore settings) => new ManiaConfigManager(settings, Ruleset.RulesetInfo, Variant);
     }
 }

osu.Game.Rulesets.Mania/UI/ManiaStage.cs

@@ -0,0 +1,229 @@
+// 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 System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI.Scrolling;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.UI
+{
+    /// <summary>
+    /// A collection of <see cref="Column"/>s.
+    /// </summary>
+    internal class ManiaStage : ScrollingPlayfield
+    {
+        public const float HIT_TARGET_POSITION = 50;
+
+        /// <summary>
+        /// Whether this playfield should be inverted. This flips everything inside the playfield.
+        /// </summary>
+        public readonly Bindable<bool> Inverted = new Bindable<bool>(true);
+
+        public IReadOnlyList<Column> Columns => columnFlow.Children;
+        private readonly FillFlowContainer<Column> columnFlow;
+
+        protected override Container<Drawable> Content => content;
+        private readonly Container<Drawable> content;
+
+        public Container<DrawableManiaJudgement> Judgements => judgements;
+        private readonly Container<DrawableManiaJudgement> judgements;
+
+        private readonly Container topLevelContainer;
+
+        private List<Color4> normalColumnColours = new List<Color4>();
+        private Color4 specialColumnColour;
+
+        private readonly int firstColumnIndex;
+        private readonly StageDefinition definition;
+
+        public ManiaStage(int firstColumnIndex, StageDefinition definition, ref ManiaAction normalColumnStartAction, ref ManiaAction specialColumnStartAction)
+            : base(ScrollingDirection.Up)
+        {
+            this.firstColumnIndex = firstColumnIndex;
+            this.definition = definition;
+
+            Name = "Stage";
+
+            Anchor = Anchor.Centre;
+            Origin = Anchor.Centre;
+            RelativeSizeAxes = Axes.Y;
+            AutoSizeAxes = Axes.X;
+
+            InternalChildren = new Drawable[]
+            {
+                new Container
+                {
+                    Anchor = Anchor.TopCentre,
+                    Origin = Anchor.TopCentre,
+                    RelativeSizeAxes = Axes.Y,
+                    AutoSizeAxes = Axes.X,
+                    Children = new Drawable[]
+                    {
+                        new Container
+                        {
+                            Name = "Columns mask",
+                            RelativeSizeAxes = Axes.Y,
+                            AutoSizeAxes = Axes.X,
+                            Masking = true,
+                            Children = new Drawable[]
+                            {
+                                new Box
+                                {
+                                    Name = "Background",
+                                    RelativeSizeAxes = Axes.Both,
+                                    Colour = Color4.Black
+                                },
+                                columnFlow = new FillFlowContainer<Column>
+                                {
+                                    Name = "Columns",
+                                    RelativeSizeAxes = Axes.Y,
+                                    AutoSizeAxes = Axes.X,
+                                    Direction = FillDirection.Horizontal,
+                                    Padding = new MarginPadding { Left = 1, Right = 1 },
+                                    Spacing = new Vector2(1, 0)
+                                },
+                            }
+                        },
+                        new Container
+                        {
+                            Name = "Barlines mask",
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            RelativeSizeAxes = Axes.Y,
+                            Width = 1366, // Bar lines should only be masked on the vertical axis
+                            BypassAutoSizeAxes = Axes.Both,
+                            Masking = true,
+                            Child = content = new Container
+                            {
+                                Name = "Bar lines",
+                                Anchor = Anchor.TopCentre,
+                                Origin = Anchor.TopCentre,
+                                RelativeSizeAxes = Axes.Y,
+                                Padding = new MarginPadding { Top = HIT_TARGET_POSITION }
+                            }
+                        },
+                        judgements = new Container<DrawableManiaJudgement>
+                        {
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.Centre,
+                            AutoSizeAxes = Axes.Both,
+                            Y = HIT_TARGET_POSITION + 150,
+                            BypassAutoSizeAxes = Axes.Both
+                        },
+                        topLevelContainer = new Container { RelativeSizeAxes = Axes.Both }
+                    }
+                }
+            };
+
+            for (int i = 0; i < definition.Columns; i++)
+            {
+                var isSpecial = isSpecialColumn(i);
+                var column = new Column
+                {
+                    IsSpecial = isSpecial,
+                    Action = isSpecial ? specialColumnStartAction++ : normalColumnStartAction++
+                };
+
+                AddColumn(column);
+            }
+
+            Inverted.ValueChanged += invertedChanged;
+            Inverted.TriggerChange();
+        }
+
+        private void invertedChanged(bool newValue)
+        {
+            Scale = new Vector2(1, newValue ? -1 : 1);
+            Judgements.Scale = Scale;
+        }
+
+        public void AddColumn(Column c)
+        {
+            c.VisibleTimeRange.BindTo(VisibleTimeRange);
+
+            topLevelContainer.Add(c.TopLevelContainer.CreateProxy());
+            columnFlow.Add(c);
+            AddNested(c);
+        }
+
+        /// <summary>
+        /// Whether the column index is a special column for this playfield.
+        /// </summary>
+        /// <param name="column">The 0-based column index.</param>
+        /// <returns>Whether the column is a special column.</returns>
+        private bool isSpecialColumn(int column) => definition.Columns % 2 == 1 && column == definition.Columns / 2;
+
+        public override void Add(DrawableHitObject h)
+        {
+            var maniaObject = (ManiaHitObject)h.HitObject;
+            int columnIndex = maniaObject.Column - firstColumnIndex;
+            Columns.ElementAt(columnIndex).Add(h);
+            h.OnJudgement += OnJudgement;
+        }
+
+        public void Add(BarLine barline) => base.Add(new DrawableBarLine(barline));
+
+        internal void OnJudgement(DrawableHitObject judgedObject, Judgement judgement)
+        {
+            judgements.Clear();
+            judgements.Add(new DrawableManiaJudgement(judgement)
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+            });
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            normalColumnColours = new List<Color4>
+            {
+                colours.RedDark,
+                colours.GreenDark
+            };
+
+            specialColumnColour = colours.BlueDark;
+
+            // Set the special column + colour + key
+            foreach (var column in Columns)
+            {
+                if (!column.IsSpecial)
+                    continue;
+
+                column.AccentColour = specialColumnColour;
+            }
+
+            var nonSpecialColumns = Columns.Where(c => !c.IsSpecial).ToList();
+
+            // We'll set the colours of the non-special columns in a separate loop, because the non-special
+            // column colours are mirrored across their centre and special styles mess with this
+            for (int i = 0; i < Math.Ceiling(nonSpecialColumns.Count / 2f); i++)
+            {
+                Color4 colour = normalColumnColours[i % normalColumnColours.Count];
+                nonSpecialColumns[i].AccentColour = colour;
+                nonSpecialColumns[nonSpecialColumns.Count - 1 - i].AccentColour = colour;
+            }
+        }
+
+        protected override void Update()
+        {
+            // Due to masking differences, it is not possible to get the width of the columns container automatically
+            // While masking on effectively only the Y-axis, so we need to set the width of the bar line container manually
+            content.Width = columnFlow.Width;
+        }
+    }
+}

osu.Game.Rulesets.Mania/UI/SpecialColumnPosition.cs

@@ -1,21 +0,0 @@
-// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-namespace osu.Game.Rulesets.Mania.UI
-{
-    public enum SpecialColumnPosition
-    {
-        /// <summary>
-        /// The special column will lie in the center of the columns.
-        /// </summary>
-        Normal,
-        /// <summary>
-        /// The special column will lie to the left of the columns.
-        /// </summary>
-        Left,
-        /// <summary>
-        /// The special column will lie to the right of the columns.
-        /// </summary>
-        Right
-    }
-}

osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj

@@ -32,6 +32,10 @@
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="JetBrains.Annotations, Version=11.1.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\JetBrains.Annotations.11.1.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
       <Private>True</Private>
@@ -58,12 +62,14 @@
     <Compile Include="Beatmaps\Patterns\Legacy\PatternType.cs" />
     <Compile Include="Beatmaps\ManiaBeatmapConverter.cs" />
     <Compile Include="Beatmaps\Patterns\Pattern.cs" />
+    <Compile Include="Configuration\ManiaConfigManager.cs" />
     <Compile Include="MathUtils\FastRandom.cs" />
     <Compile Include="Judgements\HitWindows.cs" />
     <Compile Include="Judgements\HoldNoteTailJudgement.cs" />
     <Compile Include="Judgements\HoldNoteTickJudgement.cs" />
     <Compile Include="Judgements\ManiaJudgement.cs" />
     <Compile Include="ManiaDifficultyCalculator.cs" />
+    <Compile Include="Mods\IPlayfieldTypeMod.cs" />
     <Compile Include="Mods\ManiaKeyMod.cs" />
     <Compile Include="Mods\ManiaModAutoplay.cs" />
     <Compile Include="Mods\ManiaModDaycore.cs" />
@@ -83,7 +89,7 @@
     <Compile Include="Mods\ManiaModKey7.cs" />
     <Compile Include="Mods\ManiaModKey8.cs" />
     <Compile Include="Mods\ManiaModKey9.cs" />
-    <Compile Include="Mods\ManiaModKeyCoop.cs" />
+    <Compile Include="Mods\ManiaModDualStages.cs" />
     <Compile Include="Mods\ManiaModNightcore.cs" />
     <Compile Include="Mods\ManiaModPerfect.cs" />
     <Compile Include="Mods\ManiaModRandom.cs" />
@@ -115,12 +121,12 @@
     <Compile Include="Tests\TestCasePerformancePoints.cs" />
     <Compile Include="UI\Column.cs" />
     <Compile Include="UI\DrawableManiaJudgement.cs" />
+    <Compile Include="UI\ManiaStage.cs" />
     <Compile Include="UI\HitExplosion.cs" />
     <Compile Include="UI\ManiaRulesetContainer.cs" />
     <Compile Include="UI\ManiaPlayfield.cs" />
     <Compile Include="ManiaRuleset.cs" />
     <Compile Include="Mods\ManiaModNoFail.cs" />
-    <Compile Include="UI\SpecialColumnPosition.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />

osu.Game.Rulesets.Mania/packages.config

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="JetBrains.Annotations" version="11.1.0" targetFramework="net461" />
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
   <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>

osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs

@@ -56,7 +56,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                         continue;
 
                     double endTime = (stackBaseObject as IHasEndTime)?.EndTime ?? stackBaseObject.StartTime;
-                    float stackThreshold = objectN.TimePreempt * beatmap.BeatmapInfo?.StackLeniency ?? 0.7f;
+                    double stackThreshold = objectN.TimePreempt * beatmap.BeatmapInfo?.StackLeniency ?? 0.7f;
 
                     if (objectN.StartTime - endTime > stackThreshold)
                         //We are no longer within stacking range of the next object.
@@ -99,7 +99,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                 OsuHitObject objectI = beatmap.HitObjects[i];
                 if (objectI.StackHeight != 0 || objectI is Spinner) continue;
 
-                float stackThreshold = objectI.TimePreempt * beatmap.BeatmapInfo?.StackLeniency ?? 0.7f;
+                double stackThreshold = objectI.TimePreempt * beatmap.BeatmapInfo?.StackLeniency ?? 0.7f;
 
                 /* If this object is a hitcircle, then we enter this "special" case.
                     * It either ends with a stack of hitcircles only, or a stack of hitcircles that are underneath a slider.

osu.Game.Rulesets.Osu/Mods/OsuModHidden.cs

@@ -16,7 +16,7 @@ namespace osu.Game.Rulesets.Osu.Mods
         public override string Description => @"Play with no approach circles and fading notes for a slight score advantage.";
         public override double ScoreMultiplier => 1.06;
 
-        private const float fade_in_duration_multiplier = 0.4f;
+        private const double fade_in_duration_multiplier = 0.4;
         private const double fade_out_duration_multiplier = 0.3;
 
         public void ApplyToDrawableHitObjects(IEnumerable<DrawableHitObject> drawables)

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

@@ -16,8 +16,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         private readonly RepeatPoint repeatPoint;
         private readonly DrawableSlider drawableSlider;
 
-        public double FadeInTime;
+        private double animDuration;
-        public double FadeOutTime;
 
         public DrawableRepeatPoint(RepeatPoint repeatPoint, DrawableSlider drawableSlider)
             : base(repeatPoint)
@@ -48,11 +47,11 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         protected override void UpdatePreemptState()
         {
-            var animIn = Math.Min(150, repeatPoint.StartTime - FadeInTime);
+            animDuration = Math.Min(150, repeatPoint.SpanDuration / 2);
 
-            this.FadeIn(animIn).ScaleTo(1.2f, animIn)
+            this.FadeIn(animDuration).ScaleTo(1.2f, animDuration / 2)
                 .Then()
-                .ScaleTo(1, 150, Easing.Out);
+                .ScaleTo(1, animDuration / 2, Easing.Out);
         }
 
         protected override void UpdateCurrentState(ArmedState state)
@@ -60,18 +59,18 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             switch (state)
             {
                 case ArmedState.Idle:
-                    this.Delay(FadeOutTime - repeatPoint.StartTime).FadeOut();
+                    this.Delay(HitObject.TimePreempt).FadeOut();
                     break;
                 case ArmedState.Miss:
-                    this.FadeOut(160);
+                    this.FadeOut(animDuration);
                     break;
                 case ArmedState.Hit:
-                    this.FadeOut(120, Easing.OutQuint)
+                    this.FadeOut(animDuration, Easing.OutQuint)
-                        .ScaleTo(Scale * 1.5f, 120, Easing.OutQuint);
+                        .ScaleTo(Scale * 1.5f, animDuration, Easing.OutQuint);
                     break;
             }
         }
 
-        public void UpdateSnakingPosition(Vector2 start, Vector2 end) => Position = repeatPoint.RepeatIndex % 2 == 1 ? end : start;
+        public void UpdateSnakingPosition(Vector2 start, Vector2 end) => Position = repeatPoint.RepeatIndex % 2 == 0 ? end : start;
     }
 }

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

@@ -10,6 +10,7 @@ using System.Linq;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Osu.Judgements;
 using osu.Framework.Graphics.Primitives;
+using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables
@@ -60,7 +61,10 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                     Samples = s.Samples,
                     SampleControlPoint = s.SampleControlPoint,
                     TimePreempt = s.TimePreempt,
-                    TimeFadein = s.TimeFadein
+                    TimeFadein = s.TimeFadein,
+                    HitWindow300 = s.HitWindow300,
+                    HitWindow100 = s.HitWindow100,
+                    HitWindow50 = s.HitWindow50
                 })
             };
 
@@ -69,12 +73,11 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             AddNested(InitialCircle);
 
-            var repeatDuration = s.Curve.Distance / s.Velocity;
             foreach (var tick in s.NestedHitObjects.OfType<SliderTick>())
             {
-                var repeatStartTime = s.StartTime + tick.RepeatIndex * repeatDuration;
+                var spanStartTime = s.StartTime + tick.SpanIndex * s.SpanDuration;
-                var fadeInTime = repeatStartTime + (tick.StartTime - repeatStartTime) / 2 - (tick.RepeatIndex == 0 ? HitObject.TimeFadein : HitObject.TimeFadein / 2);
+                var fadeInTime = spanStartTime + (tick.StartTime - spanStartTime) / 2 - (tick.SpanIndex == 0 ? HitObject.TimeFadein : HitObject.TimeFadein / 2);
-                var fadeOutTime = repeatStartTime + repeatDuration;
+                var fadeOutTime = spanStartTime + s.SpanDuration;
 
                 var drawableTick = new DrawableSliderTick(tick)
                 {
@@ -89,15 +92,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             foreach (var repeatPoint in s.NestedHitObjects.OfType<RepeatPoint>())
             {
-                var repeatStartTime = s.StartTime + repeatPoint.RepeatIndex * repeatDuration;
-                var fadeInTime = repeatStartTime + (repeatPoint.StartTime - repeatStartTime) / 2 - (repeatPoint.RepeatIndex == 0 ? HitObject.TimeFadein : HitObject.TimeFadein / 2);
-                var fadeOutTime = repeatStartTime + repeatDuration;
-
                 var drawableRepeatPoint = new DrawableRepeatPoint(repeatPoint, this)
                 {
-                    FadeInTime = fadeInTime,
+                    Position = repeatPoint.Position
-                    FadeOutTime = fadeOutTime,
-                    Position = repeatPoint.Position,
                 };
 
                 repeatPoints.Add(drawableRepeatPoint);
@@ -106,7 +103,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
             }
         }
 
-        private int currentRepeat;
+        private int currentSpan;
         public bool Tracking;
 
         protected override void Update()
@@ -117,17 +114,17 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             double progress = MathHelper.Clamp((Time.Current - slider.StartTime) / slider.Duration, 0, 1);
 
-            int repeat = slider.RepeatAt(progress);
+            int span = slider.SpanAt(progress);
             progress = slider.ProgressAt(progress);
 
-            if (repeat > currentRepeat)
+            if (span > currentSpan)
-                currentRepeat = repeat;
+                currentSpan = span;
 
             //todo: we probably want to reconsider this before adding scoring, but it looks and feels nice.
             if (!InitialCircle.Judgements.Any(j => j.IsHit))
                 InitialCircle.Position = slider.Curve.PositionAt(progress);
 
-            foreach (var c in components.OfType<ISliderProgress>()) c.UpdateProgress(progress, repeat);
+            foreach (var c in components.OfType<ISliderProgress>()) c.UpdateProgress(progress, span);
             foreach (var c in components.OfType<ITrackSnaking>()) c.UpdateSnakingPosition(slider.Curve.PositionAt(Body.SnakedStart ?? 0), slider.Curve.PositionAt(Body.SnakedEnd ?? 0));
             foreach (var t in ticks.Children) t.Tracking = Ball.Tracking;
         }

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

@@ -139,7 +139,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             }
         }
 
-        public void UpdateProgress(double progress, int repeat)
+        public void UpdateProgress(double progress, int span)
         {
             Position = slider.Curve.PositionAt(progress);
         }

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

@@ -15,6 +15,7 @@ using OpenTK;
 using OpenTK.Graphics.ES30;
 using OpenTK.Graphics;
 using osu.Framework.Graphics.Primitives;
+using osu.Game.Rulesets.Objects.Types;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
@@ -164,14 +165,14 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             return true;
         }
 
-        public void UpdateProgress(double progress, int repeat)
+        public void UpdateProgress(double progress, int span)
         {
             double start = 0;
             double end = snakingIn ? MathHelper.Clamp((Time.Current - (slider.StartTime - slider.TimePreempt)) / slider.TimeFadein, 0, 1) : 1;
 
-            if (repeat >= slider.RepeatCount - 1)
+            if (span >= slider.SpanCount() - 1)
             {
-                if (Math.Min(repeat, slider.RepeatCount - 1) % 2 == 1)
+                if (Math.Min(span, slider.SpanCount() - 1) % 2 == 1)
                 {
                     start = 0;
                     end = snakingOut ? progress : 1;

osu.Game.Rulesets.Osu/Objects/ISliderProgress.cs

@@ -5,6 +5,6 @@ namespace osu.Game.Rulesets.Osu.Objects
 {
     public interface ISliderProgress
     {
-        void UpdateProgress(double progress, int repeat);
+        void UpdateProgress(double progress, int span);
     }
 }

osu.Game.Rulesets.Osu/Objects/OsuHitObject.cs

@@ -16,12 +16,12 @@ namespace osu.Game.Rulesets.Osu.Objects
         public const double OBJECT_RADIUS = 64;
 
         private const double hittable_range = 300;
-        private const double hit_window_50 = 150;
+        public double HitWindow50 = 150;
-        private const double hit_window_100 = 80;
+        public double HitWindow100 = 80;
-        private const double hit_window_300 = 30;
+        public double HitWindow300 = 30;
 
-        public float TimePreempt = 600;
+        public double TimePreempt = 600;
-        public float TimeFadein = 400;
+        public double TimeFadein = 400;
 
         public Vector2 Position { get; set; }
         public float X => Position.X;
@@ -50,13 +50,13 @@ namespace osu.Game.Rulesets.Osu.Objects
             switch (result)
             {
                 default:
-                    return 300;
+                    return hittable_range;
                 case HitResult.Meh:
-                    return 150;
+                    return HitWindow50;
                 case HitResult.Good:
-                    return 80;
+                    return HitWindow100;
                 case HitResult.Great:
-                    return 30;
+                    return HitWindow300;
             }
         }
 
@@ -78,6 +78,10 @@ namespace osu.Game.Rulesets.Osu.Objects
             TimePreempt = (float)BeatmapDifficulty.DifficultyRange(difficulty.ApproachRate, 1800, 1200, 450);
             TimeFadein = (float)BeatmapDifficulty.DifficultyRange(difficulty.ApproachRate, 1200, 800, 300);
 
+            HitWindow50 = BeatmapDifficulty.DifficultyRange(difficulty.OverallDifficulty, 200, 150, 100);
+            HitWindow100 = BeatmapDifficulty.DifficultyRange(difficulty.OverallDifficulty, 140, 100, 60);
+            HitWindow300 = BeatmapDifficulty.DifficultyRange(difficulty.OverallDifficulty, 80, 50, 20);
+
             Scale = (1.0f - 0.7f * (difficulty.CircleSize - 5) / 5) / 2;
         }
     }

osu.Game.Rulesets.Osu/Objects/RepeatPoint.cs

@@ -1,10 +1,25 @@
 // 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.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+
 namespace osu.Game.Rulesets.Osu.Objects
 {
     public class RepeatPoint : OsuHitObject
     {
         public int RepeatIndex { get; set; }
+        public double SpanDuration { get; set; }
+
+        protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
+        {
+            base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
+
+            // We want to show the first RepeatPoint as the TimePreempt dictates but on short (and possibly fast) sliders
+            // we may need to cut down this time on following RepeatPoints to only show up to two RepeatPoints at any given time.
+            if (RepeatIndex > 0)
+                TimePreempt = Math.Min(SpanDuration * 2, TimePreempt);
+        }
     }
 }

osu.Game.Rulesets.Osu/Objects/Slider.cs

@@ -20,12 +20,12 @@ namespace osu.Game.Rulesets.Osu.Objects
         /// </summary>
         private const float base_scoring_distance = 100;
 
-        public readonly SliderCurve Curve = new SliderCurve();
+        public double EndTime => StartTime + this.SpanCount() * Curve.Distance / Velocity;
-
-        public double EndTime => StartTime + RepeatCount * Curve.Distance / Velocity;
         public double Duration => EndTime - StartTime;
 
-        public override Vector2 EndPosition => PositionAt(1);
+        public override Vector2 EndPosition => this.PositionAt(1);
+
+        public SliderCurve Curve { get; } = new SliderCurve();
 
         public List<Vector2> ControlPoints
         {
@@ -58,7 +58,12 @@ namespace osu.Game.Rulesets.Osu.Objects
         internal float LazyTravelDistance;
 
         public List<List<SampleInfo>> RepeatSamples { get; set; } = new List<List<SampleInfo>>();
-        public int RepeatCount { get; set; } = 1;
+        public int RepeatCount { get; set; }
+
+        /// <summary>
+        /// The length of one span of this <see cref="Slider"/>.
+        /// </summary>
+        public double SpanDuration => Duration / this.SpanCount();
 
         private int stackHeight;
 
@@ -88,18 +93,6 @@ namespace osu.Game.Rulesets.Osu.Objects
             TickDistance = scoringDistance / difficulty.SliderTickRate;
         }
 
-        public Vector2 PositionAt(double progress) => Curve.PositionAt(ProgressAt(progress));
-
-        public double ProgressAt(double progress)
-        {
-            double p = progress * RepeatCount % 1;
-            if (RepeatAt(progress) % 2 == 1)
-                p = 1 - p;
-            return p;
-        }
-
-        public int RepeatAt(double progress) => (int)(progress * RepeatCount);
-
         protected override void CreateNestedHitObjects()
         {
             base.CreateNestedHitObjects();
@@ -114,14 +107,13 @@ namespace osu.Game.Rulesets.Osu.Objects
 
             var length = Curve.Distance;
             var tickDistance = Math.Min(TickDistance, length);
-            var repeatDuration = length / Velocity;
 
             var minDistanceFromEnd = Velocity * 0.01;
 
-            for (var repeat = 0; repeat < RepeatCount; repeat++)
+            for (var span = 0; span < this.SpanCount(); span++)
             {
-                var repeatStartTime = StartTime + repeat * repeatDuration;
+                var spanStartTime = StartTime + span * SpanDuration;
-                var reversed = repeat % 2 == 1;
+                var reversed = span % 2 == 1;
 
                 for (var d = tickDistance; d <= length; d += tickDistance)
                 {
@@ -144,8 +136,8 @@ namespace osu.Game.Rulesets.Osu.Objects
 
                     AddNested(new SliderTick
                     {
-                        RepeatIndex = repeat,
+                        SpanIndex = span,
-                        StartTime = repeatStartTime + timeProgress * repeatDuration,
+                        StartTime = spanStartTime + timeProgress * SpanDuration,
                         Position = Curve.PositionAt(distanceProgress),
                         StackHeight = StackHeight,
                         Scale = Scale,
@@ -158,21 +150,18 @@ namespace osu.Game.Rulesets.Osu.Objects
 
         private void createRepeatPoints()
         {
-            var repeatDuration = Distance / Velocity;
+            for (int repeatIndex = 0, repeat = 1; repeatIndex < RepeatCount; repeatIndex++, repeat++)
-
-            for (var repeat = 1; repeat < RepeatCount; repeat++)
             {
-                var repeatStartTime = StartTime + repeat * repeatDuration;
-
                 AddNested(new RepeatPoint
                 {
-                    RepeatIndex = repeat,
+                    RepeatIndex = repeatIndex,
-                    StartTime = repeatStartTime,
+                    SpanDuration = SpanDuration,
+                    StartTime = StartTime + repeat * SpanDuration,
                     Position = Curve.PositionAt(repeat % 2),
                     StackHeight = StackHeight,
                     Scale = Scale,
                     ComboColour = ComboColour,
-                    Samples = new List<SampleInfo>(RepeatSamples[repeat])
+                    Samples = new List<SampleInfo>(RepeatSamples[repeatIndex])
                 });
             }
         }

osu.Game.Rulesets.Osu/Objects/SliderTick.cs

@@ -5,6 +5,6 @@ namespace osu.Game.Rulesets.Osu.Objects
 {
     public class SliderTick : OsuHitObject
     {
-        public int RepeatIndex { get; set; }
+        public int SpanIndex { get; set; }
     }
 }

osu.Game.Rulesets.Osu/OsuDifficulty/Preprocessing/OsuDifficultyHitObject.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Linq;
+using osu.Game.Rulesets.Objects.Types;
 using OpenTK;
 using osu.Game.Rulesets.Osu.Objects;
 

osu.Game.Rulesets.Osu/Tests/TestCaseSlider.cs

@@ -63,6 +63,7 @@ namespace osu.Game.Rulesets.Osu.Tests
             AddStep("Fast Short Slider", () => testShortHighSpeed());
             AddStep("Fast Short Slider 1 Repeat", () => testShortHighSpeed(1));
             AddStep("Fast Short Slider 2 Repeats", () => testShortHighSpeed(2));
+            AddStep("Fast Short Slider 6 Repeats", () => testShortHighSpeed(6));
 
             AddStep("Perfect Curve", testCurve);
             // TODO more curve types?
@@ -84,14 +85,9 @@ namespace osu.Game.Rulesets.Osu.Tests
 
         private void createSlider(float circleSize = 2, float distance = 400, int repeats = 0, double speedMultiplier = 2)
         {
-            repeats++; // The first run through the slider is considered a repeat
-
             var repeatSamples = new List<List<SampleInfo>>();
-            if (repeats > 1)
+            for (int i = 0; i < repeats; i++)
-            {
+                repeatSamples.Add(new List<SampleInfo>());
-                for (int i = 0; i < repeats; i++)
-                    repeatSamples.Add(new List<SampleInfo>());
-            }
 
             var slider = new Slider
             {

osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj

@@ -33,6 +33,10 @@
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="JetBrains.Annotations, Version=11.1.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\JetBrains.Annotations.11.1.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
       <Private>True</Private>

osu.Game.Rulesets.Osu/packages.config

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="JetBrains.Annotations" version="11.1.0" targetFramework="net461" />
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
   <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>

osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs

@@ -84,7 +84,8 @@ namespace osu.Game.Rulesets.Taiko.Beatmaps
 
             if (distanceData != null)
             {
-                int repeats = repeatsData?.RepeatCount ?? 1;
+                // Number of spans of the object - one for the initial length and for each repeat
+                int spans = repeatsData?.SpanCount() ?? 1;
 
                 TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(obj.StartTime);
                 DifficultyControlPoint difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(obj.StartTime);
@@ -93,7 +94,7 @@ namespace osu.Game.Rulesets.Taiko.Beatmaps
                 double speedAdjustedBeatLength = timingPoint.BeatLength / speedAdjustment;
 
                 // The true distance, accounting for any repeats. This ends up being the drum roll distance later
-                double distance = distanceData.Distance * repeats * legacy_velocity_multiplier;
+                double distance = distanceData.Distance * spans * legacy_velocity_multiplier;
 
                 // The velocity of the taiko hit object - calculated as the velocity of a drum roll
                 double taikoVelocity = taiko_base_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier * legacy_velocity_multiplier / speedAdjustedBeatLength;
@@ -111,7 +112,7 @@ namespace osu.Game.Rulesets.Taiko.Beatmaps
                 double osuDuration = distance / osuVelocity;
 
                 // If the drum roll is to be split into hit circles, assume the ticks are 1/8 spaced within the duration of one beat
-                double tickSpacing = Math.Min(speedAdjustedBeatLength / beatmap.BeatmapInfo.BaseDifficulty.SliderTickRate, taikoDuration / repeats);
+                double tickSpacing = Math.Min(speedAdjustedBeatLength / beatmap.BeatmapInfo.BaseDifficulty.SliderTickRate, taikoDuration / spans);
 
                 if (!isForCurrentRuleset && tickSpacing > 0 && osuDuration < 2 * speedAdjustedBeatLength)
                 {

osu.Game.Rulesets.Taiko/osu.Game.Rulesets.Taiko.csproj

@@ -32,6 +32,10 @@
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="JetBrains.Annotations, Version=11.1.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\JetBrains.Annotations.11.1.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
       <Private>True</Private>

osu.Game.Rulesets.Taiko/packages.config

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="JetBrains.Annotations" version="11.1.0" targetFramework="net461" />
   <package id="NUnit" version="3.8.1" targetFramework="net461" />
   <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
 </packages>

osu.Game.Tests/Beatmaps/Formats/LegacyStoryboardDecoderTest.cs

@@ -70,7 +70,7 @@ namespace osu.Game.Tests.Beatmaps.Formats
                 Assert.AreEqual(new Vector2(320, 240), sprite.InitialPosition);
                 Assert.IsTrue(sprite.IsDrawable);
                 Assert.AreEqual(Anchor.Centre, sprite.Origin);
-                Assert.AreEqual(Path.Combine("SB", "lyric", "ja-21.png"), sprite.Path);
+                Assert.AreEqual("SB/lyric/ja-21.png", sprite.Path);
 
                 var animation = background.Elements.ElementAt(12) as StoryboardAnimation;
                 Assert.NotNull(animation);
@@ -82,7 +82,7 @@ namespace osu.Game.Tests.Beatmaps.Formats
                 Assert.IsTrue(animation.IsDrawable);
                 Assert.AreEqual(AnimationLoopType.LoopForever, animation.LoopType);
                 Assert.AreEqual(Anchor.Centre, animation.Origin);
-                Assert.AreEqual(Path.Combine("SB", "red jitter", "red_0000.jpg"), animation.Path);
+                Assert.AreEqual("SB/red jitter/red_0000.jpg", animation.Path);
                 Assert.AreEqual(78993, animation.StartTime);
             }
         }

osu.Game.Tests/Visual/TestCaseWaveform.cs

@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using NUnit.Framework;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Allocation;
@@ -15,6 +16,7 @@ using osu.Game.Screens.Edit.Screens.Compose.Timeline;
 
 namespace osu.Game.Tests.Visual
 {
+    [Ignore("CI regularly hangs on this TestCase...")]
     public class TestCaseWaveform : OsuTestCase
     {
         private readonly Bindable<WorkingBeatmap> beatmapBacking = new Bindable<WorkingBeatmap>();

osu.Game.Tests/osu.Game.Tests.csproj

@@ -33,6 +33,10 @@
     <Reference Include="DeepEqual, Version=1.6.0.0, Culture=neutral, PublicKeyToken=null">
       <HintPath>$(SolutionDir)\packages\DeepEqual.1.6.0.0\lib\net40\DeepEqual.dll</HintPath>
     </Reference>
+    <Reference Include="JetBrains.Annotations, Version=11.1.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\JetBrains.Annotations.11.1.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
       <Private>True</Private>

osu.Game.Tests/packages.config

@@ -1,11 +1,12 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
-<!--
+<!--
-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
+Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
--->
+-->
-<packages>
+<packages>
-  <package id="DeepEqual" version="1.6.0.0" targetFramework="net461" />
+  <package id="DeepEqual" version="1.6.0.0" targetFramework="net461" />
-  <package id="NUnit" version="3.8.1" targetFramework="net461" />
+  <package id="JetBrains.Annotations" version="11.1.0" targetFramework="net461" />
-  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
+  <package id="NUnit" version="3.8.1" targetFramework="net461" />
-  <package id="System.ValueTuple" version="4.4.0" targetFramework="net461" />
+  <package id="ppy.OpenTK" version="3.0.11" targetFramework="net461" />
+  <package id="System.ValueTuple" version="4.4.0" targetFramework="net461" />
 </packages>

osu.Game/Beatmaps/BeatmapManager.cs

@@ -287,15 +287,16 @@ namespace osu.Game.Beatmaps
                         Import(archive);
 
                     downloadNotification.State = ProgressNotificationState.Completed;
+                    currentDownloads.Remove(request);
                 }, TaskCreationOptions.LongRunning);
-
-                currentDownloads.Remove(request);
             };
 
-            request.Failure += data =>
+            request.Failure += error =>
             {
+                if (error is OperationCanceledException) return;
+
                 downloadNotification.State = ProgressNotificationState.Completed;
-                Logger.Error(data, "Failed to get beatmap download information");
+                Logger.Error(error, "Beatmap download failed!");
                 currentDownloads.Remove(request);
             };
 

osu.Game/Beatmaps/Formats/LegacyStoryboardDecoder.cs

@@ -301,6 +301,6 @@ namespace osu.Game.Beatmaps.Formats
             }
         }
 
-        private string cleanFilename(string path) => FileSafety.PathSanitise(path.Trim('\"'));
+        private string cleanFilename(string path) => FileSafety.PathStandardise(FileSafety.PathSanitise(path.Trim('\"')));
     }
 }

osu.Game/Configuration/DatabasedConfigManager.cs

@@ -0,0 +1,71 @@
+// 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 System.Linq;
+using osu.Framework.Configuration;
+using osu.Game.Rulesets;
+
+namespace osu.Game.Configuration
+{
+    public abstract class DatabasedConfigManager<T> : ConfigManager<T>
+        where T : struct
+    {
+        private readonly SettingsStore settings;
+
+        private readonly int variant;
+
+        private readonly List<DatabasedSetting> databasedSettings;
+
+        private readonly RulesetInfo ruleset;
+
+        protected DatabasedConfigManager(SettingsStore settings, RulesetInfo ruleset = null, int variant = 0)
+        {
+            this.settings = settings;
+            this.ruleset = ruleset;
+            this.variant = variant;
+
+            databasedSettings = settings.Query(ruleset?.ID, variant);
+
+            InitialiseDefaults();
+        }
+
+        protected override void PerformLoad()
+        {
+        }
+
+        protected override bool PerformSave()
+        {
+            return true;
+        }
+
+        protected override void AddBindable<TBindable>(T lookup, Bindable<TBindable> bindable)
+        {
+            base.AddBindable(lookup, bindable);
+
+            var setting = databasedSettings.FirstOrDefault(s => (int)s.Key == (int)(object)lookup);
+            if (setting != null)
+            {
+                bindable.Parse(setting.Value);
+            }
+            else
+            {
+                settings.Update(setting = new DatabasedSetting
+                {
+                    Key = lookup,
+                    Value = bindable.Value,
+                    RulesetID = ruleset?.ID,
+                    Variant = variant,
+                });
+
+                databasedSettings.Add(setting);
+            }
+
+            bindable.ValueChanged += v =>
+            {
+                setting.Value = v;
+                settings.Update(setting);
+            };
+        }
+    }
+}

osu.Game/Configuration/DatabasedSetting.cs

@@ -0,0 +1,51 @@
+// 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.ComponentModel.DataAnnotations.Schema;
+using osu.Game.Database;
+
+namespace osu.Game.Configuration
+{
+    [Table("Settings")]
+    public class DatabasedSetting : IHasPrimaryKey
+    {
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public int ID { get; set; }
+
+        public int? RulesetID { get; set; }
+
+        public int? Variant { get; set; }
+
+        [Column("Key")]
+        public int IntKey
+        {
+            get => (int)Key;
+            private set => Key = value;
+        }
+
+        [Column("Value")]
+        public string StringValue
+        {
+            get => Value.ToString();
+            set => Value = value;
+        }
+
+        public object Key;
+        public object Value;
+
+        public DatabasedSetting(object key, object value)
+        {
+            Key = key;
+            Value = value;
+        }
+
+        /// <summary>
+        /// Constructor for derived classes that may require serialisation.
+        /// </summary>
+        public DatabasedSetting()
+        {
+        }
+
+        public override string ToString() => $"{Key}=>{Value}";
+    }
+}

osu.Game/Configuration/OsuConfigManager.cs

@@ -8,7 +8,7 @@ using osu.Game.Screens.Select;
 
 namespace osu.Game.Configuration
 {
-    public class OsuConfigManager : ConfigManager<OsuSetting>
+    public class OsuConfigManager : IniConfigManager<OsuSetting>
     {
         protected override void InitialiseDefaults()
         {

osu.Game/Configuration/SettingsStore.cs

@@ -0,0 +1,44 @@
+// 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 System.Linq;
+using osu.Game.Database;
+
+namespace osu.Game.Configuration
+{
+    public class SettingsStore : DatabaseBackedStore
+    {
+        public event Action SettingChanged;
+
+        public SettingsStore(Func<OsuDbContext> createContext)
+            : base(createContext)
+        {
+        }
+
+        /// <summary>
+        /// Retrieve <see cref="DatabasedSetting"/>s for a specified ruleset/variant content.
+        /// </summary>
+        /// <param name="rulesetId">The ruleset's internal ID.</param>
+        /// <param name="variant">An optional variant.</param>
+        /// <returns></returns>
+        public List<DatabasedSetting> Query(int? rulesetId = null, int? variant = null) =>
+            GetContext().DatabasedSetting.Where(b => b.RulesetID == rulesetId && b.Variant == variant).ToList();
+
+        public void Update(DatabasedSetting setting)
+        {
+            var context = GetContext();
+
+            var newValue = setting.Value;
+
+            Refresh(ref setting);
+
+            setting.Value = newValue;
+
+            context.SaveChanges();
+
+            SettingChanged?.Invoke();
+        }
+    }
+}

osu.Game/Database/DatabaseBackedStore.cs

@@ -34,8 +34,14 @@ namespace osu.Game.Database
             if (context.Entry(obj).State != EntityState.Detached) return;
 
             var id = obj.ID;
-            obj = lookupSource?.SingleOrDefault(t => t.ID == id) ?? context.Find<T>(id);
+            var foundObject = lookupSource?.SingleOrDefault(t => t.ID == id) ?? context.Find<T>(id);
-            context.Entry(obj).Reload();
+            if (foundObject != null)
+            {
+                obj = foundObject;
+                context.Entry(obj).Reload();
+            }
+            else
+                context.Add(obj);
         }
 
         /// <summary>

osu.Game/Database/OsuDbContext.cs

@@ -8,9 +8,10 @@ using Microsoft.EntityFrameworkCore.Diagnostics;
 using Microsoft.Extensions.Logging;
 using osu.Framework.Logging;
 using osu.Game.Beatmaps;
-using osu.Game.Input.Bindings;
+using osu.Game.Configuration;
 using osu.Game.IO;
 using osu.Game.Rulesets;
+using DatabasedKeyBinding = osu.Game.Input.Bindings.DatabasedKeyBinding;
 using LogLevel = Microsoft.Extensions.Logging.LogLevel;
 
 namespace osu.Game.Database
@@ -22,6 +23,7 @@ namespace osu.Game.Database
         public DbSet<BeatmapMetadata> BeatmapMetadata { get; set; }
         public DbSet<BeatmapSetInfo> BeatmapSetInfo { get; set; }
         public DbSet<DatabasedKeyBinding> DatabasedKeyBinding { get; set; }
+        public DbSet<DatabasedSetting> DatabasedSetting { get; set; }
         public DbSet<FileInfo> FileInfo { get; set; }
         public DbSet<RulesetInfo> RulesetInfo { get; set; }
 
@@ -86,9 +88,11 @@ namespace osu.Game.Database
             modelBuilder.Entity<BeatmapSetInfo>().HasIndex(b => b.DeletePending);
             modelBuilder.Entity<BeatmapSetInfo>().HasIndex(b => b.Hash).IsUnique();
 
-            modelBuilder.Entity<DatabasedKeyBinding>().HasIndex(b => b.Variant);
+            modelBuilder.Entity<DatabasedKeyBinding>().HasIndex(b => new { b.RulesetID, b.Variant });
             modelBuilder.Entity<DatabasedKeyBinding>().HasIndex(b => b.IntAction);
 
+            modelBuilder.Entity<DatabasedSetting>().HasIndex(b => new { b.RulesetID, b.Variant });
+
             modelBuilder.Entity<FileInfo>().HasIndex(b => b.Hash).IsUnique();
             modelBuilder.Entity<FileInfo>().HasIndex(b => b.ReferenceCount);
 

osu.Game/Graphics/UserInterface/ProgressBar.cs

@@ -18,7 +18,7 @@ namespace osu.Game.Graphics.UserInterface
 
         public Color4 FillColour
         {
-            set { fill.Colour = value; }
+            set { fill.FadeColour(value, 150, Easing.OutQuint); }
         }
 
         public Color4 BackgroundColour

osu.Game/Input/Bindings/DatabasedKeyBindingContainer.cs

@@ -14,7 +14,7 @@ namespace osu.Game.Input.Bindings
     /// A KeyBindingInputManager with a database backing for custom overrides.
     /// </summary>
     /// <typeparam name="T">The type of the custom action.</typeparam>
-    public class DatabasedKeyBindingInputManager<T> : KeyBindingContainer<T>
+    public class DatabasedKeyBindingContainer<T> : KeyBindingContainer<T>
         where T : struct
     {
         private readonly RulesetInfo ruleset;
@@ -23,7 +23,7 @@ namespace osu.Game.Input.Bindings
 
         private KeyBindingStore store;
 
-        public override IEnumerable<KeyBinding> DefaultKeyBindings => ruleset.CreateInstance().GetDefaultKeyBindings();
+        public override IEnumerable<KeyBinding> DefaultKeyBindings => ruleset.CreateInstance().GetDefaultKeyBindings(variant ?? 0);
 
         /// <summary>
         /// Create a new instance.
@@ -31,7 +31,7 @@ namespace osu.Game.Input.Bindings
         /// <param name="ruleset">A reference to identify the current <see cref="Ruleset"/>. Used to lookup mappings. Null for global mappings.</param>
         /// <param name="variant">An optional variant for the specified <see cref="Ruleset"/>. Used when a ruleset has more than one possible keyboard layouts.</param>
         /// <param name="simultaneousMode">Specify how to deal with multiple matches of <see cref="KeyCombination"/>s and <see cref="T"/>s.</param>
-        public DatabasedKeyBindingInputManager(RulesetInfo ruleset = null, int? variant = null, SimultaneousBindingMode simultaneousMode = SimultaneousBindingMode.None)
+        public DatabasedKeyBindingContainer(RulesetInfo ruleset = null, int? variant = null, SimultaneousBindingMode simultaneousMode = SimultaneousBindingMode.None)
             : base(simultaneousMode)
         {
             this.ruleset = ruleset;

osu.Game/Input/Bindings/GlobalActionContainer.cs

@@ -10,11 +10,11 @@ using osu.Framework.Input.Bindings;
 
 namespace osu.Game.Input.Bindings
 {
-    public class GlobalKeyBindingInputManager : DatabasedKeyBindingInputManager<GlobalAction>, IHandleGlobalInput
+    public class GlobalActionContainer : DatabasedKeyBindingContainer<GlobalAction>, IHandleGlobalInput
     {
         private readonly Drawable handler;
 
-        public GlobalKeyBindingInputManager(OsuGameBase game)
+        public GlobalActionContainer(OsuGameBase game)
         {
             if (game is IKeyBindingHandler<GlobalAction>)
                 handler = game;
@@ -37,7 +37,8 @@ namespace osu.Game.Input.Bindings
 
         public IEnumerable<KeyBinding> InGameKeyBindings => new[]
         {
-            new KeyBinding(InputKey.Space, GlobalAction.SkipCutscene)
+            new KeyBinding(InputKey.Space, GlobalAction.SkipCutscene),
+            new KeyBinding(InputKey.Tilde, GlobalAction.QuickRetry)
         };
 
         protected override IEnumerable<Drawable> KeyBindingInputQueue =>
@@ -65,6 +66,8 @@ namespace osu.Game.Input.Bindings
 
         // In-Game Keybindings
         [Description("Skip Cutscene")]
-        SkipCutscene
+        SkipCutscene,
+        [Description("Quick Retry (Hold)")]
+        QuickRetry,
     }
 }

osu.Game/Migrations/20180125143340_Settings.Designer.cs

@@ -0,0 +1,329 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage;
+using osu.Game.Database;
+using System;
+
+namespace osu.Game.Migrations
+{
+    [DbContext(typeof(OsuDbContext))]
+    [Migration("20180125143340_Settings")]
+    partial class Settings
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "2.0.0-rtm-26452");
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapDifficulty", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<float>("ApproachRate");
+
+                    b.Property<float>("CircleSize");
+
+                    b.Property<float>("DrainRate");
+
+                    b.Property<float>("OverallDifficulty");
+
+                    b.Property<float>("SliderMultiplier");
+
+                    b.Property<float>("SliderTickRate");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("BeatmapDifficulty");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("AudioLeadIn");
+
+                    b.Property<int>("BaseDifficultyID");
+
+                    b.Property<int>("BeatDivisor");
+
+                    b.Property<int>("BeatmapSetInfoID");
+
+                    b.Property<bool>("Countdown");
+
+                    b.Property<double>("DistanceSpacing");
+
+                    b.Property<int>("GridSize");
+
+                    b.Property<string>("Hash");
+
+                    b.Property<bool>("Hidden");
+
+                    b.Property<bool>("LetterboxInBreaks");
+
+                    b.Property<string>("MD5Hash");
+
+                    b.Property<int?>("MetadataID");
+
+                    b.Property<int?>("OnlineBeatmapID");
+
+                    b.Property<string>("Path");
+
+                    b.Property<int>("RulesetID");
+
+                    b.Property<bool>("SpecialStyle");
+
+                    b.Property<float>("StackLeniency");
+
+                    b.Property<double>("StarDifficulty");
+
+                    b.Property<string>("StoredBookmarks");
+
+                    b.Property<double>("TimelineZoom");
+
+                    b.Property<string>("Version");
+
+                    b.Property<bool>("WidescreenStoryboard");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("BaseDifficultyID");
+
+                    b.HasIndex("BeatmapSetInfoID");
+
+                    b.HasIndex("Hash")
+                        .IsUnique();
+
+                    b.HasIndex("MD5Hash")
+                        .IsUnique();
+
+                    b.HasIndex("MetadataID");
+
+                    b.HasIndex("OnlineBeatmapID")
+                        .IsUnique();
+
+                    b.HasIndex("RulesetID");
+
+                    b.ToTable("BeatmapInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapMetadata", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Artist");
+
+                    b.Property<string>("ArtistUnicode");
+
+                    b.Property<string>("AudioFile");
+
+                    b.Property<string>("AuthorString")
+                        .HasColumnName("Author");
+
+                    b.Property<string>("BackgroundFile");
+
+                    b.Property<int>("PreviewTime");
+
+                    b.Property<string>("Source");
+
+                    b.Property<string>("Tags");
+
+                    b.Property<string>("Title");
+
+                    b.Property<string>("TitleUnicode");
+
+                    b.HasKey("ID");
+
+                    b.ToTable("BeatmapMetadata");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapSetFileInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("BeatmapSetInfoID");
+
+                    b.Property<int>("FileInfoID");
+
+                    b.Property<string>("Filename")
+                        .IsRequired();
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("BeatmapSetInfoID");
+
+                    b.HasIndex("FileInfoID");
+
+                    b.ToTable("BeatmapSetFileInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapSetInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<bool>("DeletePending");
+
+                    b.Property<string>("Hash");
+
+                    b.Property<int?>("MetadataID");
+
+                    b.Property<int?>("OnlineBeatmapSetID");
+
+                    b.Property<bool>("Protected");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("DeletePending");
+
+                    b.HasIndex("Hash")
+                        .IsUnique();
+
+                    b.HasIndex("MetadataID");
+
+                    b.HasIndex("OnlineBeatmapSetID")
+                        .IsUnique();
+
+                    b.ToTable("BeatmapSetInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Configuration.DatabasedSetting", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("IntKey")
+                        .HasColumnName("Key");
+
+                    b.Property<int?>("RulesetID");
+
+                    b.Property<string>("StringValue")
+                        .HasColumnName("Value");
+
+                    b.Property<int?>("Variant");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("RulesetID", "Variant");
+
+                    b.ToTable("Settings");
+                });
+
+            modelBuilder.Entity("osu.Game.Input.Bindings.DatabasedKeyBinding", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("IntAction")
+                        .HasColumnName("Action");
+
+                    b.Property<string>("KeysString")
+                        .HasColumnName("Keys");
+
+                    b.Property<int?>("RulesetID");
+
+                    b.Property<int?>("Variant");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("IntAction");
+
+                    b.HasIndex("RulesetID", "Variant");
+
+                    b.ToTable("KeyBinding");
+                });
+
+            modelBuilder.Entity("osu.Game.IO.FileInfo", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Hash");
+
+                    b.Property<int>("ReferenceCount");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Hash")
+                        .IsUnique();
+
+                    b.HasIndex("ReferenceCount");
+
+                    b.ToTable("FileInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Rulesets.RulesetInfo", b =>
+                {
+                    b.Property<int?>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<bool>("Available");
+
+                    b.Property<string>("InstantiationInfo");
+
+                    b.Property<string>("Name");
+
+                    b.Property<string>("ShortName");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Available");
+
+                    b.HasIndex("ShortName")
+                        .IsUnique();
+
+                    b.ToTable("RulesetInfo");
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapInfo", b =>
+                {
+                    b.HasOne("osu.Game.Beatmaps.BeatmapDifficulty", "BaseDifficulty")
+                        .WithMany()
+                        .HasForeignKey("BaseDifficultyID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("osu.Game.Beatmaps.BeatmapSetInfo", "BeatmapSet")
+                        .WithMany("Beatmaps")
+                        .HasForeignKey("BeatmapSetInfoID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("osu.Game.Beatmaps.BeatmapMetadata", "Metadata")
+                        .WithMany("Beatmaps")
+                        .HasForeignKey("MetadataID");
+
+                    b.HasOne("osu.Game.Rulesets.RulesetInfo", "Ruleset")
+                        .WithMany()
+                        .HasForeignKey("RulesetID")
+                        .OnDelete(DeleteBehavior.Cascade);
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapSetFileInfo", b =>
+                {
+                    b.HasOne("osu.Game.Beatmaps.BeatmapSetInfo")
+                        .WithMany("Files")
+                        .HasForeignKey("BeatmapSetInfoID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("osu.Game.IO.FileInfo", "FileInfo")
+                        .WithMany()
+                        .HasForeignKey("FileInfoID")
+                        .OnDelete(DeleteBehavior.Cascade);
+                });
+
+            modelBuilder.Entity("osu.Game.Beatmaps.BeatmapSetInfo", b =>
+                {
+                    b.HasOne("osu.Game.Beatmaps.BeatmapMetadata", "Metadata")
+                        .WithMany("BeatmapSets")
+                        .HasForeignKey("MetadataID");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

osu.Game/Migrations/20180125143340_Settings.cs

@@ -0,0 +1,57 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using System;
+using System.Collections.Generic;
+
+namespace osu.Game.Migrations
+{
+    public partial class Settings : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_KeyBinding_Variant",
+                table: "KeyBinding");
+
+            migrationBuilder.CreateTable(
+                name: "Settings",
+                columns: table => new
+                {
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Key = table.Column<int>(type: "INTEGER", nullable: false),
+                    RulesetID = table.Column<int>(type: "INTEGER", nullable: true),
+                    Value = table.Column<string>(type: "TEXT", nullable: true),
+                    Variant = table.Column<int>(type: "INTEGER", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Settings", x => x.ID);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_KeyBinding_RulesetID_Variant",
+                table: "KeyBinding",
+                columns: new[] { "RulesetID", "Variant" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Settings_RulesetID_Variant",
+                table: "Settings",
+                columns: new[] { "RulesetID", "Variant" });
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Settings");
+
+            migrationBuilder.DropIndex(
+                name: "IX_KeyBinding_RulesetID_Variant",
+                table: "KeyBinding");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_KeyBinding_Variant",
+                table: "KeyBinding",
+                column: "Variant");
+        }
+    }
+}

osu.Game/Migrations/OsuDbContextModelSnapshot.cs

@@ -193,6 +193,28 @@ namespace osu.Game.Migrations
                     b.ToTable("BeatmapSetInfo");
                 });
 
+            modelBuilder.Entity("osu.Game.Configuration.DatabasedSetting", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<int>("IntKey")
+                        .HasColumnName("Key");
+
+                    b.Property<int?>("RulesetID");
+
+                    b.Property<string>("StringValue")
+                        .HasColumnName("Value");
+
+                    b.Property<int?>("Variant");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("RulesetID", "Variant");
+
+                    b.ToTable("Settings");
+                });
+
             modelBuilder.Entity("osu.Game.Input.Bindings.DatabasedKeyBinding", b =>
                 {
                     b.Property<int>("ID")
@@ -212,7 +234,7 @@ namespace osu.Game.Migrations
 
                     b.HasIndex("IntAction");
 
-                    b.HasIndex("Variant");
+                    b.HasIndex("RulesetID", "Variant");
 
                     b.ToTable("KeyBinding");
                 });

osu.Game/Online/API/APIAccess.cs

@@ -126,6 +126,7 @@ namespace osu.Game.Online.API
                         userReq.Success += u =>
                         {
                             LocalUser.Value = u;
+                            Username = LocalUser.Value.Username;
                             failureCount = 0;
 
                             //we're connected!

osu.Game/OsuGame.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using System.Collections.Generic;
 using osu.Framework.Configuration;
 using osu.Framework.Screens;
 using osu.Game.Configuration;
@@ -27,6 +28,7 @@ using osu.Game.Overlays.Notifications;
 using osu.Game.Rulesets;
 using osu.Game.Screens.Play;
 using osu.Game.Input.Bindings;
+using osu.Game.Rulesets.Mods;
 using OpenTK.Graphics;
 
 namespace osu.Game
@@ -71,6 +73,7 @@ namespace osu.Game
         private OsuScreen screenStack;
 
         private VolumeControl volume;
+        private OnScreenDisplay onscreenDisplay;
 
         private Bindable<int> configRuleset;
         public Bindable<RulesetInfo> Ruleset = new Bindable<RulesetInfo>();
@@ -79,6 +82,9 @@ namespace osu.Game
 
         private SettingsOverlay settings;
 
+        // todo: move this to SongSelect once Screen has the ability to unsuspend.
+        public readonly Bindable<IEnumerable<Mod>> SelectedMods = new Bindable<IEnumerable<Mod>>(new List<Mod>());
+
         public OsuGame(string[] args = null)
         {
             this.args = args;
@@ -110,7 +116,7 @@ namespace osu.Game
                 Task.Run(() => BeatmapManager.Import(paths.ToArray()));
             }
 
-            dependencies.Cache(this);
+            dependencies.CacheAs(this);
 
             configRuleset = LocalConfig.GetBindable<int>(OsuSetting.Ruleset);
             Ruleset.Value = RulesetStore.GetRuleset(configRuleset.Value) ?? RulesetStore.AvailableRulesets.First();
@@ -195,7 +201,7 @@ namespace osu.Game
             }, overlayContent.Add);
 
             loadComponentSingleFile(volume = new VolumeControl(), Add);
-            loadComponentSingleFile(new OnScreenDisplay(), Add);
+            loadComponentSingleFile(onscreenDisplay = new OnScreenDisplay(), Add);
 
             //overlay elements
             loadComponentSingleFile(direct = new DirectOverlay { Depth = -1 }, mainContent.Add);
@@ -232,6 +238,7 @@ namespace osu.Game
             forwardLoggedErrorsToNotifications();
 
             dependencies.Cache(settings);
+            dependencies.Cache(onscreenDisplay);
             dependencies.Cache(social);
             dependencies.Cache(direct);
             dependencies.Cache(chat);

osu.Game/OsuGameBase.cs

@@ -44,6 +44,8 @@ namespace osu.Game
 
         protected KeyBindingStore KeyBindingStore;
 
+        protected SettingsStore SettingsStore;
+
         protected CursorOverrideContainer CursorOverrideContainer;
 
         protected override string MainResourceFile => @"osu.Game.Resources.dll";
@@ -93,7 +95,7 @@ namespace osu.Game
 
             dependencies.Cache(new LargeTextureStore(new RawTextureLoaderStore(new NamespacedResourceStore<byte[]>(Resources, @"Textures"))));
 
-            dependencies.Cache(this);
+            dependencies.CacheAs(this);
             dependencies.Cache(LocalConfig);
 
             runMigrations();
@@ -109,10 +111,11 @@ namespace osu.Game
             dependencies.Cache(BeatmapManager = new BeatmapManager(Host.Storage, contextFactory.GetContext, RulesetStore, API, Host));
             dependencies.Cache(ScoreStore = new ScoreStore(Host.Storage, contextFactory.GetContext, Host, BeatmapManager, RulesetStore));
             dependencies.Cache(KeyBindingStore = new KeyBindingStore(contextFactory.GetContext, RulesetStore));
+            dependencies.Cache(SettingsStore = new SettingsStore(contextFactory.GetContext));
             dependencies.Cache(new OsuColour());
 
             //this completely overrides the framework default. will need to change once we make a proper FontStore.
-            dependencies.Cache(Fonts = new FontStore { ScaleAdjust = 100 }, true);
+            dependencies.Cache(Fonts = new FontStore { ScaleAdjust = 100 });
 
             Fonts.AddStore(new GlyphStore(Resources, @"Fonts/FontAwesome"));
             Fonts.AddStore(new GlyphStore(Resources, @"Fonts/osuFont"));
@@ -209,10 +212,10 @@ namespace osu.Game
         {
             base.LoadComplete();
 
-            GlobalKeyBindingInputManager globalBinding;
+            GlobalActionContainer globalBinding;
 
             CursorOverrideContainer = new CursorOverrideContainer { RelativeSizeAxes = Axes.Both };
-            CursorOverrideContainer.Child = globalBinding = new GlobalKeyBindingInputManager(this)
+            CursorOverrideContainer.Child = globalBinding = new GlobalActionContainer(this)
             {
                 RelativeSizeAxes = Axes.Both,
                 Child = content = new OsuTooltipContainer(CursorOverrideContainer.Cursor) { RelativeSizeAxes = Axes.Both　}

osu.Game/Overlays/Direct/DirectPanel.cs

@@ -16,7 +16,6 @@ using osu.Game.Graphics.Sprites;
 using OpenTK.Graphics;
 using osu.Framework.Input;
 using osu.Game.Graphics.UserInterface;
-using osu.Framework.Logging;
 using osu.Game.Online.API.Requests;
 using osu.Framework.Configuration;
 using osu.Framework.Audio.Track;
@@ -65,11 +64,14 @@ namespace osu.Game.Overlays.Direct
             Colour = Color4.Black.Opacity(0.3f),
         };
 
+        private OsuColour colours;
+
         [BackgroundDependencyLoader(permitNulls: true)]
         private void load(BeatmapManager beatmaps, OsuColour colours, BeatmapSetOverlay beatmapSetOverlay)
         {
             this.beatmaps = beatmaps;
             this.beatmapSetOverlay = beatmapSetOverlay;
+            this.colours = colours;
 
             AddInternal(content = new Container
             {
@@ -182,7 +184,6 @@ namespace osu.Game.Overlays.Direct
             {
                 progressBar.Current.Value = 0;
                 progressBar.FadeOut(500);
-                Logger.Error(e, "Failed to get beatmap download information");
             };
 
             request.DownloadProgressed += progress => progressBar.Current.Value = progress;
@@ -190,7 +191,7 @@ namespace osu.Game.Overlays.Direct
             request.Success += data =>
             {
                 progressBar.Current.Value = 1;
-                progressBar.FadeOut(500);
+                progressBar.FillColour = colours.Yellow;
             };
         }
 

osu.Game/Overlays/DirectOverlay.cs

@@ -298,7 +298,7 @@ namespace osu.Game.Overlays
                 Task.Run(() =>
                 {
                     var onlineIds = response.Select(r => r.OnlineBeatmapSetID).ToList();
-                    var presentOnlineIds = beatmaps.QueryBeatmapSets(s => onlineIds.Contains(s.OnlineBeatmapSetID)).Select(r => r.OnlineBeatmapSetID).ToList();
+                    var presentOnlineIds = beatmaps.QueryBeatmapSets(s => onlineIds.Contains(s.OnlineBeatmapSetID) && !s.DeletePending).Select(r => r.OnlineBeatmapSetID).ToList();
                     var sets = response.Select(r => r.ToBeatmapSet(rulesets)).Where(b => !presentOnlineIds.Contains(b.OnlineBeatmapSetID)).ToList();
 
                     // may not need scheduling; loads async internally.

osu.Game/Overlays/KeyBinding/GlobalKeyBindingsSection.cs

@@ -12,7 +12,7 @@ namespace osu.Game.Overlays.KeyBinding
         public override FontAwesome Icon => FontAwesome.fa_osu_hot;
         public override string Header => "Global";
 
-        public GlobalKeyBindingsSection(GlobalKeyBindingInputManager manager)
+        public GlobalKeyBindingsSection(GlobalActionContainer manager)
         {
             Add(new DefaultBindingsSubsection(manager));
             Add(new InGameKeyBindingsSubsection(manager));
@@ -23,7 +23,7 @@ namespace osu.Game.Overlays.KeyBinding
         {
             protected override string Header => string.Empty;
 
-            public DefaultBindingsSubsection(GlobalKeyBindingInputManager manager)
+            public DefaultBindingsSubsection(GlobalActionContainer manager)
                 : base(null)
             {
                 Defaults = manager.GlobalKeyBindings;
@@ -34,7 +34,7 @@ namespace osu.Game.Overlays.KeyBinding
         {
             protected override string Header => "In Game";
 
-            public InGameKeyBindingsSubsection(GlobalKeyBindingInputManager manager) : base(null)
+            public InGameKeyBindingsSubsection(GlobalActionContainer manager) : base(null)
             {
                 Defaults = manager.InGameKeyBindings;
             }

osu.Game/Overlays/KeyBindingOverlay.cs

@@ -15,7 +15,7 @@ namespace osu.Game.Overlays
         protected override Drawable CreateHeader() => new SettingsHeader("key configuration", "Customise your keys!");
 
         [BackgroundDependencyLoader(permitNulls: true)]
-        private void load(RulesetStore rulesets, GlobalKeyBindingInputManager global)
+        private void load(RulesetStore rulesets, GlobalActionContainer global)
         {
             AddSection(new GlobalKeyBindingsSection(global));
 

osu.Game/Overlays/Mods/ModButton.cs

@@ -188,17 +188,19 @@ namespace osu.Game.Overlays.Mods
                 start = Mods.Length - 1;
 
             for (int i = start; i < Mods.Length && i >= 0; i += direction)
-            {
+                if (SelectAt(i)) return;
-                if (Mods[i].HasImplementation)
-                {
-                    changeSelectedIndex(i);
-                    return;
-                }
-            }
 
             Deselect();
         }
 
+        public bool SelectAt(int index)
+        {
+            if (!Mods[index].HasImplementation) return false;
+
+            changeSelectedIndex(index);
+            return true;
+        }
+
         public void Deselect() => changeSelectedIndex(-1);
 
         private void displayMod(Mod mod)

osu.Game/Overlays/Mods/ModSection.cs

@@ -113,6 +113,23 @@ namespace osu.Game.Overlays.Mods
             }
         }
 
+        /// <summary>
+        /// Select one or more mods in this section.
+        /// </summary>
+        /// <param name="mods">The types of <see cref="Mod"/>s which should be deselected.</param>
+        public void SelectTypes(IEnumerable<Mod> mods)
+        {
+            foreach (var button in buttons)
+            {
+                for (int i = 0; i < button.Mods.Length; i++)
+                {
+                    foreach (var mod in mods)
+                        if (mod.GetType().IsInstanceOfType(button.Mods[i]))
+                            button.SelectAt(i);
+                }
+            }
+        }
+
         protected ModSection()
         {
             AutoSizeAxes = Axes.Y;

osu.Game/Overlays/Mods/ModSelectOverlay.cs

@@ -51,6 +51,8 @@ namespace osu.Game.Overlays.Mods
         [BackgroundDependencyLoader(permitNulls: true)]
         private void load(OsuColour colours, OsuGame osu, RulesetStore rulesets)
         {
+            SelectedMods.ValueChanged += selectedModsChanged;
+
             LowMultiplierColour = colours.Red;
             HighMultiplierColour = colours.Green;
 
@@ -63,6 +65,37 @@ namespace osu.Game.Overlays.Mods
             Ruleset.TriggerChange();
         }
 
+        private void selectedModsChanged(IEnumerable<Mod> obj)
+        {
+            foreach (ModSection section in ModSectionsContainer.Children)
+                section.SelectTypes(obj);
+
+            updateMods();
+        }
+
+        private void updateMods()
+        {
+            double multiplier = 1.0;
+            bool ranked = true;
+
+            foreach (Mod mod in SelectedMods.Value)
+            {
+                multiplier *= mod.ScoreMultiplier;
+                ranked &= mod.Ranked;
+            }
+
+            MultiplierLabel.Text = $"{multiplier:N2}x";
+            if (!ranked)
+                MultiplierLabel.Text += " (Unranked)";
+
+            if (multiplier > 1.0)
+                MultiplierLabel.FadeColour(HighMultiplierColour, 200);
+            else if (multiplier < 1.0)
+                MultiplierLabel.FadeColour(LowMultiplierColour, 200);
+            else
+                MultiplierLabel.FadeColour(Color4.White, 200);
+        }
+
         protected override void PopOut()
         {
             base.PopOut();
@@ -97,6 +130,7 @@ namespace osu.Game.Overlays.Mods
         {
             foreach (ModSection section in ModSectionsContainer.Children)
                 section.DeselectAll();
+
             refreshSelectedMods();
         }
 
@@ -119,30 +153,7 @@ namespace osu.Game.Overlays.Mods
             refreshSelectedMods();
         }
 
-        private void refreshSelectedMods()
+        private void refreshSelectedMods() => SelectedMods.Value = ModSectionsContainer.Children.SelectMany(s => s.SelectedMods).ToArray();
-        {
-            SelectedMods.Value = ModSectionsContainer.Children.SelectMany(s => s.SelectedMods).ToArray();
-
-            double multiplier = 1.0;
-            bool ranked = true;
-
-            foreach (Mod mod in SelectedMods.Value)
-            {
-                multiplier *= mod.ScoreMultiplier;
-                ranked &= mod.Ranked;
-            }
-
-            MultiplierLabel.Text = $"{multiplier:N2}x";
-            if (!ranked)
-                MultiplierLabel.Text += " (Unranked)";
-
-            if (multiplier > 1.0)
-                MultiplierLabel.FadeColour(HighMultiplierColour, 200);
-            else if (multiplier < 1.0)
-                MultiplierLabel.FadeColour(LowMultiplierColour, 200);
-            else
-                MultiplierLabel.FadeColour(Color4.White, 200);
-        }
 
         public ModSelectOverlay()
         {

osu.Game/Overlays/MusicController.cs

@@ -5,8 +5,6 @@ using System;
 using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
-using OpenTK;
-using OpenTK.Graphics;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Extensions.Color4Extensions;
@@ -20,10 +18,12 @@ using osu.Framework.Localisation;
 using osu.Framework.Threading;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
-using osu.Game.Graphics.Sprites;
-using osu.Game.Overlays.Music;
-using osu.Game.Graphics.UserInterface;
 using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Overlays.Music;
+using OpenTK;
+using OpenTK.Graphics;
 
 namespace osu.Game.Overlays
 {
@@ -65,6 +65,12 @@ namespace osu.Game.Overlays
             AlwaysPresent = true;
         }
 
+        protected override bool OnDragStart(InputState state)
+        {
+            base.OnDragStart(state);
+            return true;
+        }
+
         protected override bool OnDrag(InputState state)
         {
             if (base.OnDrag(state)) return true;

osu.Game/Overlays/OnScreenDisplay.cs

@@ -5,7 +5,7 @@ using System;
 using System.Collections.Generic;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
-using osu.Framework.Extensions;
+using osu.Framework.Configuration.Tracking;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -118,43 +118,62 @@ namespace osu.Game.Overlays
         [BackgroundDependencyLoader]
         private void load(FrameworkConfigManager frameworkConfig)
         {
-            trackSetting(frameworkConfig.GetBindable<FrameSync>(FrameworkSetting.FrameSync), v => display(v, "Frame Limiter", v.GetDescription(), "Ctrl+F7"));
+            BeginTracking(this, frameworkConfig);
-            trackSetting(frameworkConfig.GetBindable<string>(FrameworkSetting.AudioDevice), v => display(v, "Audio Device", string.IsNullOrEmpty(v) ? "Default" : v, v));
-            trackSetting(frameworkConfig.GetBindable<bool>(FrameworkSetting.ShowLogOverlay), v => display(v, "Debug Logs", v ? "visible" : "hidden", "Ctrl+F10"));
-
-            void displayResolution() => display(null, "Screen Resolution", frameworkConfig.Get<int>(FrameworkSetting.Width) + "x" + frameworkConfig.Get<int>(FrameworkSetting.Height));
-
-            trackSetting(frameworkConfig.GetBindable<int>(FrameworkSetting.Width), v => displayResolution());
-            trackSetting(frameworkConfig.GetBindable<int>(FrameworkSetting.Height), v => displayResolution());
-
-            trackSetting(frameworkConfig.GetBindable<double>(FrameworkSetting.CursorSensitivity), v => display(v, "Cursor Sensitivity", v.ToString(@"0.##x"), "Ctrl+Alt+R to reset"));
-            trackSetting(frameworkConfig.GetBindable<string>(FrameworkSetting.ActiveInputHandlers),
-                delegate (string v)
-                {
-                    bool raw = v.Contains("Raw");
-                    display(raw, "Raw Input", raw ? "enabled" : "disabled", "Ctrl+Alt+R to reset");
-                });
-
-            trackSetting(frameworkConfig.GetBindable<WindowMode>(FrameworkSetting.WindowMode), v => display(v, "Screen Mode", v.ToString(), "Alt+Enter"));
         }
 
-        private readonly List<IBindable> references = new List<IBindable>();
+        private readonly Dictionary<(object, IConfigManager), TrackedSettings> trackedConfigManagers = new Dictionary<(object, IConfigManager), TrackedSettings>();
 
-        private void trackSetting<T>(Bindable<T> bindable, Action<T> action)
+        /// <summary>
+        /// Registers a <see cref="ConfigManager{T}"/> to have its settings tracked by this <see cref="OnScreenDisplay"/>.
+        /// </summary>
+        /// <param name="source">The object that is registering the <see cref="ConfigManager{T}"/> to be tracked.</param>
+        /// <param name="configManager">The <see cref="ConfigManager{T}"/> to be tracked.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="configManager"/> is null.</exception>
+        /// <exception cref="InvalidOperationException">If <paramref name="configManager"/> is already being tracked from the same <paramref name="source"/>.</exception>
+        public void BeginTracking(object source, ITrackableConfigManager configManager)
         {
-            // we need to keep references as we bind
+            if (configManager == null)　throw new ArgumentNullException(nameof(configManager));
-            references.Add(bindable);
 
-            bindable.ValueChanged += action;
+            if (trackedConfigManagers.ContainsKey((source, configManager)))
+                throw new InvalidOperationException($"{nameof(configManager)} is already registered.");
+
+            var trackedSettings = configManager.CreateTrackedSettings();
+            if (trackedSettings == null)
+                return;
+
+            configManager.LoadInto(trackedSettings);
+            trackedSettings.SettingChanged += display;
+
+            trackedConfigManagers.Add((source, configManager), trackedSettings);
         }
 
-        private void display(object rawValue, string settingName, string settingValue, string shortcut = @"")
+        /// <summary>
+        /// Unregisters a <see cref="ConfigManager{T}"/> from having its settings tracked by this <see cref="OnScreenDisplay"/>.
+        /// </summary>
+        /// <param name="source">The object that registered the <see cref="ConfigManager{T}"/> to be tracked.</param>
+        /// <param name="configManager">The <see cref="ConfigManager{T}"/> that is being tracked.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="configManager"/> is null.</exception>
+        /// <exception cref="InvalidOperationException">If <paramref name="configManager"/> is not being tracked from the same <see cref="source"/>.</exception>
+        public void StopTracking(object source, ITrackableConfigManager configManager)
+        {
+            if (configManager == null)　throw new ArgumentNullException(nameof(configManager));
+
+            if (!trackedConfigManagers.TryGetValue((source, configManager), out var existing))
+                throw new InvalidOperationException($"{nameof(configManager)} is not registered.");
+
+            existing.Unload();
+            existing.SettingChanged -= display;
+
+            trackedConfigManagers.Remove((source, configManager));
+        }
+
+        private void display(SettingDescription description)
         {
             Schedule(() =>
             {
-                textLine1.Text = settingName.ToUpper();
+                textLine1.Text = description.Name.ToUpper();
-                textLine2.Text = settingValue;
+                textLine2.Text = description.Value;
-                textLine3.Text = shortcut.ToUpper();
+                textLine3.Text = description.Shortcut.ToUpper();
 
                 box.Animate(
                     b => b.FadeIn(500, Easing.OutQuint),
@@ -167,16 +186,16 @@ namespace osu.Game.Overlays
                 int optionCount = 0;
                 int selectedOption = -1;
 
-                if (rawValue is bool)
+                if (description.RawValue is bool)
                 {
                     optionCount = 1;
-                    if ((bool)rawValue) selectedOption = 0;
+                    if ((bool)description.RawValue) selectedOption = 0;
                 }
-                else if (rawValue is Enum)
+                else if (description.RawValue is Enum)
                 {
-                    var values = Enum.GetValues(rawValue.GetType());
+                    var values = Enum.GetValues(description.RawValue.GetType());
                     optionCount = values.Length;
-                    selectedOption = Convert.ToInt32(rawValue);
+                    selectedOption = Convert.ToInt32(description.RawValue);
                 }
 
                 textLine2.Origin = optionCount > 0 ? Anchor.BottomCentre : Anchor.Centre;

osu.Game/Overlays/Toolbar/ToolbarSettingsButton.cs

@@ -16,7 +16,7 @@ namespace osu.Game.Overlays.Toolbar
         }
 
         [BackgroundDependencyLoader(true)]
-        private void load(SettingsOverlay settings)
+        private void load(MainSettings settings)
         {
             StateContainer = settings;
         }

osu.Game/Rulesets/Configuration/IRulesetConfigManager.cs

@@ -0,0 +1,11 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Configuration.Tracking;
+
+namespace osu.Game.Rulesets.Configuration
+{
+    public interface IRulesetConfigManager : ITrackableConfigManager
+    {
+    }
+}

osu.Game/Rulesets/Configuration/RulesetConfigManager.cs

@@ -0,0 +1,15 @@
+// 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.Configuration;
+
+namespace osu.Game.Rulesets.Configuration
+{
+    public abstract class RulesetConfigManager<T> : DatabasedConfigManager<T>, IRulesetConfigManager
+        where T : struct
+    {
+        protected RulesetConfigManager(SettingsStore settings, RulesetInfo ruleset, int variant) : base(settings, ruleset, variant)
+        {
+        }
+    }
+}

osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs

@@ -136,7 +136,10 @@ namespace osu.Game.Rulesets.Objects.Drawables
         /// </summary>
         public event Action<DrawableHitObject, ArmedState> ApplyCustomUpdateState;
 
-        protected void PlaySamples() => Samples.ForEach(s => s?.Play());
+        /// <summary>
+        /// Plays all the hitsounds for this <see cref="DrawableHitObject"/>.
+        /// </summary>
+        public void PlaySamples() => Samples.ForEach(s => s?.Play());
 
         protected override void Update()
         {

osu.Game/Rulesets/Objects/Legacy/ConvertHitObjectParser.cs

@@ -77,6 +77,10 @@ namespace osu.Game.Rulesets.Objects.Legacy
                     if (repeatCount > 9000)
                         throw new ArgumentOutOfRangeException(nameof(repeatCount), @"Repeat count is way too high");
 
+                    // osu-stable treated the first span of the slider as a repeat, but no repeats are happening
+                    repeatCount = Math.Max(0, repeatCount - 1);
+
+
                     if (split.Length > 7)
                         length = Convert.ToDouble(split[7], CultureInfo.InvariantCulture);
 
@@ -84,8 +88,7 @@ namespace osu.Game.Rulesets.Objects.Legacy
                         readCustomSampleBanks(split[10], bankInfo);
 
                     // One node for each repeat + the start and end nodes
-                    // Note that the first length of the slider is considered a repeat, but there are no actual repeats happening
+                    int nodes = repeatCount + 2;
-                    int nodes = Math.Max(0, repeatCount - 1) + 2;
 
                     // Populate node sample bank infos with the default hit object sample bank
                     var nodeBankInfos = new List<SampleBankInfo>();
@@ -128,7 +131,7 @@ namespace osu.Game.Rulesets.Objects.Legacy
 
                     // Generate the final per-node samples
                     var nodeSamples = new List<List<SampleInfo>>(nodes);
-                    for (int i = 0; i <= repeatCount; i++)
+                    for (int i = 0; i < nodes; i++)
                         nodeSamples.Add(convertSoundType(nodeSoundTypes[i], nodeBankInfos[i]));
 
                     result = CreateSlider(new Vector2(int.Parse(split[0]), int.Parse(split[1])), combo, points, length, curveType, repeatCount, nodeSamples);

osu.Game/Rulesets/Objects/Legacy/ConvertSlider.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Rulesets.Objects.Types;
-using System;
 using System.Collections.Generic;
 using OpenTK;
 using osu.Game.Audio;
@@ -18,34 +17,23 @@ namespace osu.Game.Rulesets.Objects.Legacy
         /// </summary>
         private const float base_scoring_distance = 100;
 
+        /// <summary>
+        /// <see cref="ConvertSlider"/>s don't need a curve since they're converted to ruleset-specific hitobjects.
+        /// </summary>
+        public SliderCurve Curve { get; } = null;
         public List<Vector2> ControlPoints { get; set; }
         public CurveType CurveType { get; set; }
 
         public double Distance { get; set; }
 
         public List<List<SampleInfo>> RepeatSamples { get; set; }
-        public int RepeatCount { get; set; } = 1;
+        public int RepeatCount { get; set; }
 
-        public double EndTime => StartTime + RepeatCount * Distance / Velocity;
+        public double EndTime => StartTime + this.SpanCount() * Distance / Velocity;
         public double Duration => EndTime - StartTime;
 
         public double Velocity = 1;
 
-        public Vector2 PositionAt(double progress)
-        {
-            throw new NotImplementedException();
-        }
-
-        public double ProgressAt(double progress)
-        {
-            throw new NotImplementedException();
-        }
-
-        public int RepeatAt(double progress)
-        {
-            throw new NotImplementedException();
-        }
-
         protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
         {
             base.ApplyDefaultsToSelf(controlPointInfo, difficulty);

osu.Game/Rulesets/Objects/Types/IHasCurve.cs

@@ -11,6 +11,11 @@ namespace osu.Game.Rulesets.Objects.Types
     /// </summary>
     public interface IHasCurve : IHasDistance, IHasRepeats
     {
+        /// <summary>
+        /// The curve.
+        /// </summary>
+        SliderCurve Curve { get; }
+
         /// <summary>
         /// The control points that shape the curve.
         /// </summary>
@@ -20,7 +25,10 @@ namespace osu.Game.Rulesets.Objects.Types
         /// The type of curve.
         /// </summary>
         CurveType CurveType { get; }
+    }
 
+    public static class HasCurveExtensions
+    {
         /// <summary>
         /// Computes the position on the curve at a given progress, accounting for repeat logic.
         /// <para>
@@ -28,20 +36,28 @@ namespace osu.Game.Rulesets.Objects.Types
         /// </para>
         /// </summary>
         /// <param name="progress">[0, 1] where 0 is the beginning of the curve and 1 is the end of the curve.</param>
-        Vector2 PositionAt(double progress);
+        public static Vector2 PositionAt(this IHasCurve obj, double progress)
+            => obj.Curve.PositionAt(obj.ProgressAt(progress));
 
         /// <summary>
         /// Finds the progress along the curve, accounting for repeat logic.
         /// </summary>
         /// <param name="progress">[0, 1] where 0 is the beginning of the curve and 1 is the end of the curve.</param>
         /// <returns>[0, 1] where 0 is the beginning of the curve and 1 is the end of the curve.</returns>
-        double ProgressAt(double progress);
+        public static double ProgressAt(this IHasCurve obj, double progress)
+        {
+            double p = progress * obj.SpanCount() % 1;
+            if (obj.SpanAt(progress) % 2 == 1)
+                p = 1 - p;
+            return p;
+        }
 
         /// <summary>
-        /// Determines which repeat of the curve the progress point is on.
+        /// Determines which span of the curve the progress point is on.
         /// </summary>
         /// <param name="progress">[0, 1] where 0 is the beginning of the curve and 1 is the end of the curve.</param>
-        /// <returns>[0, RepeatCount] where 0 is the first run.</returns>
+        /// <returns>[0, SpanCount) where 0 is the first run.</returns>
-        int RepeatAt(double progress);
+        public static int SpanAt(this IHasCurve obj, double progress)
+            => (int)(progress * obj.SpanCount());
     }
 }

osu.Game/Rulesets/Objects/Types/IHasRepeats.cs

@@ -21,4 +21,13 @@ namespace osu.Game.Rulesets.Objects.Types
         /// </summary>
         List<List<SampleInfo>> RepeatSamples { get; }
     }
+
+    public static class HasRepeatsExtensions
+    {
+        /// <summary>
+        /// The amount of times the length of this <see cref="IHasRepeats"/> spans.
+        /// </summary>
+        /// <param name="obj">The object that has repeats.</param>
+        public static int SpanCount(this IHasRepeats obj) => obj.RepeatCount + 1;
+    }
 }

osu.Game/Rulesets/UI/Playfield.cs

@@ -1,7 +1,6 @@
 // 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.Graphics;
 using osu.Framework.Graphics.Containers;
@@ -36,8 +35,7 @@ namespace osu.Game.Rulesets.UI
         /// <param name="customWidth">Whether we want our internal coordinate system to be scaled to a specified width.</param>
         protected Playfield(float? customWidth = null)
         {
-            // Default height since we force relative size axes
+            RelativeSizeAxes = Axes.Both;
-            Size = Vector2.One;
 
             AddInternal(ScaledContent = new ScaledContainer
             {
@@ -62,12 +60,6 @@ namespace osu.Game.Rulesets.UI
             Add(HitObjects);
         }
 
-        public override Axes RelativeSizeAxes
-        {
-            get { return Axes.Both; }
-            set { throw new InvalidOperationException($@"{nameof(Playfield)}'s {nameof(RelativeSizeAxes)} should never be changed from {Axes.Both}"); }
-        }
-
         /// <summary>
         /// Performs post-processing tasks (if any) after all DrawableHitObjects are loaded into this Playfield.
         /// </summary>

osu.Game/Rulesets/UI/RulesetContainer.cs

@@ -16,6 +16,9 @@ using System.Linq;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Input;
+using osu.Game.Configuration;
+using osu.Game.Overlays;
+using osu.Game.Rulesets.Configuration;
 using osu.Game.Rulesets.Replays;
 using osu.Game.Rulesets.Scoring;
 using OpenTK;
@@ -35,6 +38,11 @@ namespace osu.Game.Rulesets.UI
         /// </summary>
         public bool AspectAdjust = true;
 
+        /// <summary>
+        /// The selected variant.
+        /// </summary>
+        public virtual int Variant => 0;
+
         /// <summary>
         /// The input manager for this RulesetContainer.
         /// </summary>
@@ -65,6 +73,14 @@ namespace osu.Game.Rulesets.UI
 
         protected readonly Ruleset Ruleset;
 
+        private IRulesetConfigManager rulesetConfig;
+        private OnScreenDisplay onScreenDisplay;
+
+        private DependencyContainer dependencies;
+
+        protected override IReadOnlyDependencyContainer CreateLocalDependencies(IReadOnlyDependencyContainer parent)
+            => dependencies = new DependencyContainer(base.CreateLocalDependencies(parent));
+
         /// <summary>
         /// A visual representation of a <see cref="Rulesets.Ruleset"/>.
         /// </summary>
@@ -77,6 +93,20 @@ namespace osu.Game.Rulesets.UI
             Cursor = CreateCursor();
         }
 
+        [BackgroundDependencyLoader(true)]
+        private void load(OnScreenDisplay onScreenDisplay, SettingsStore settings)
+        {
+            this.onScreenDisplay = onScreenDisplay;
+
+            rulesetConfig = CreateConfig(Ruleset, settings);
+
+            if (rulesetConfig != null)
+            {
+                dependencies.Cache(rulesetConfig);
+                onScreenDisplay?.BeginTracking(this, rulesetConfig);
+            }
+        }
+
         public abstract ScoreProcessor CreateScoreProcessor();
 
         /// <summary>
@@ -110,11 +140,24 @@ namespace osu.Game.Rulesets.UI
         /// </summary>
         protected virtual CursorContainer CreateCursor() => null;
 
+        protected virtual IRulesetConfigManager CreateConfig(Ruleset ruleset, SettingsStore settings) => null;
+
         /// <summary>
         /// Creates a Playfield.
         /// </summary>
         /// <returns>The Playfield.</returns>
         protected abstract Playfield CreatePlayfield();
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            if (rulesetConfig != null)
+            {
+                onScreenDisplay?.StopTracking(this, rulesetConfig);
+                rulesetConfig = null;
+            }
+        }
     }
 
     /// <summary>
@@ -154,7 +197,7 @@ namespace osu.Game.Rulesets.UI
         /// <summary>
         /// Whether the specified beatmap is assumed to be specific to the current ruleset.
         /// </summary>
-        protected readonly bool IsForCurrentRuleset;
+        public readonly bool IsForCurrentRuleset;
 
         public override ScoreProcessor CreateScoreProcessor() => new ScoreProcessor<TObject>(this);
 

osu.Game/Rulesets/UI/RulesetInputManager.cs

@@ -21,7 +21,7 @@ namespace osu.Game.Rulesets.UI
     public abstract class RulesetInputManager<T> : PassThroughInputManager, ICanAttachKeyCounter, IHasReplayHandler
         where T : struct
     {
-        public class RulesetKeyBindingContainer : DatabasedKeyBindingInputManager<T>
+        public class RulesetKeyBindingContainer : DatabasedKeyBindingContainer<T>
         {
             public RulesetKeyBindingContainer(RulesetInfo ruleset, int variant, SimultaneousBindingMode unique)
                 : base(ruleset, variant, unique)

osu.Game/Screens/Play/BreaksOverlay/BreakOverlay.cs

@@ -41,6 +41,12 @@ namespace osu.Game.Screens.Play.BreaksOverlay
         private readonly InfoContainer info;
         private readonly ArrowsOverlay arrowsOverlay;
 
+        public BreakOverlay(bool letterboxing, ScoreProcessor scoreProcessor)
+            : this(letterboxing)
+        {
+            bindProcessor(scoreProcessor);
+        }
+
         public BreakOverlay(bool letterboxing)
         {
             this.letterboxing = letterboxing;
@@ -148,7 +154,7 @@ namespace osu.Game.Screens.Play.BreaksOverlay
             arrowsOverlay.Hide();
         }
 
-        public void BindProcessor(ScoreProcessor processor)
+        private void bindProcessor(ScoreProcessor processor)
         {
             info.AccuracyDisplay.Current.BindTo(processor.Accuracy);
             info.GradeDisplay.Current.BindTo(processor.Rank);

osu.Game/Screens/Play/HUDOverlay.cs

@@ -6,6 +6,8 @@ using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
+using osu.Framework.Timing;
+using osu.Game.Beatmaps;
 using osu.Game.Configuration;
 using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
@@ -39,7 +41,7 @@ namespace osu.Game.Screens.Play
 
         private static bool hasShownNotificationOnce;
 
-        public HUDOverlay()
+        public HUDOverlay(ScoreProcessor scoreProcessor, RulesetContainer rulesetContainer, DecoupleableInterpolatingFramedClock decoupledClock, WorkingBeatmap working, IAdjustableClock adjustableSourceClock)
         {
             RelativeSizeAxes = Axes.Both;
 
@@ -59,6 +61,18 @@ namespace osu.Game.Screens.Play
                     ReplaySettingsOverlay = CreateReplaySettingsOverlay(),
                 }
             });
+
+            BindProcessor(scoreProcessor);
+            BindRulesetContainer(rulesetContainer);
+
+            Progress.Objects = rulesetContainer.Objects;
+            Progress.AudioClock = decoupledClock;
+            Progress.AllowSeeking = rulesetContainer.HasReplayLoaded;
+            Progress.OnSeek = pos => decoupledClock.Seek(pos);
+
+            ModDisplay.Current.BindTo(working.Mods);
+
+            ReplaySettingsOverlay.PlaybackSettings.AdjustableClock = adjustableSourceClock;
         }
 
         [BackgroundDependencyLoader(true)]
@@ -115,7 +129,7 @@ namespace osu.Game.Screens.Play
             }
         }
 
-        public virtual void BindRulesetContainer(RulesetContainer rulesetContainer)
+        protected virtual void BindRulesetContainer(RulesetContainer rulesetContainer)
         {
             (rulesetContainer.KeyBindingInputManager as ICanAttachKeyCounter)?.Attach(KeyCounter);
 
@@ -201,7 +215,7 @@ namespace osu.Game.Screens.Play
 
         protected virtual ReplaySettingsOverlay CreateReplaySettingsOverlay() => new ReplaySettingsOverlay();
 
-        public virtual void BindProcessor(ScoreProcessor processor)
+        protected virtual void BindProcessor(ScoreProcessor processor)
         {
             ScoreCounter?.Current.BindTo(processor.TotalScore);
             AccuracyCounter?.Current.BindTo(processor.Accuracy);

osu.Game/Screens/Play/HotkeyRetryOverlay.cs

@@ -1,18 +1,18 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Input;
-using OpenTK.Input;
 using osu.Framework.Allocation;
 using System;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input.Bindings;
+using osu.Game.Input.Bindings;
 using OpenTK.Graphics;
 
 namespace osu.Game.Screens.Play
 {
-    public class HotkeyRetryOverlay : Container
+    public class HotkeyRetryOverlay : Container, IKeyBindingHandler<GlobalAction>
     {
         public Action Action;
 
@@ -40,28 +40,20 @@ namespace osu.Game.Screens.Play
             };
         }
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        public bool OnPressed(GlobalAction action)
         {
-            if (args.Repeat) return false;
+            if (action != GlobalAction.QuickRetry) return false;
 
-            if (args.Key == Key.Tilde)
+            overlay.FadeIn(activate_delay, Easing.Out);
-            {
+            return true;
-                overlay.FadeIn(activate_delay, Easing.Out);
-                return true;
-            }
-
-            return base.OnKeyDown(state, args);
         }
 
-        protected override bool OnKeyUp(InputState state, KeyUpEventArgs args)
+        public bool OnReleased(GlobalAction action)
         {
-            if (args.Key == Key.Tilde && !fired)
+            if (action != GlobalAction.QuickRetry) return false;
-            {
-                overlay.FadeOut(fadeout_delay, Easing.Out);
-                return true;
-            }
 
-            return base.OnKeyUp(state, args);
+            overlay.FadeOut(fadeout_delay, Easing.Out);
+            return true;
         }
 
         protected override void Update()

osu.Game/Screens/Play/Player.cs

@@ -1,35 +1,35 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using OpenTK;
-using osu.Framework.Allocation;
-using osu.Framework.Audio;
-using osu.Framework.Configuration;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Input;
-using osu.Framework.Logging;
-using osu.Framework.Screens;
-using osu.Framework.Timing;
-using osu.Game.Configuration;
-using osu.Game.Rulesets;
-using osu.Game.Rulesets.UI;
-using osu.Game.Screens.Backgrounds;
 using System;
 using System.Linq;
 using System.Threading.Tasks;
-using osu.Framework.Threading;
+using osu.Framework.Allocation;
-using osu.Game.Rulesets.Mods;
+using osu.Framework.Audio;
-using osu.Game.Rulesets.Scoring;
-using osu.Game.Screens.Ranking;
 using osu.Framework.Audio.Sample;
+using osu.Framework.Configuration;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
+using osu.Framework.Input;
+using osu.Framework.Logging;
+using osu.Framework.Screens;
+using osu.Framework.Threading;
+using osu.Framework.Timing;
 using osu.Game.Beatmaps;
+using osu.Game.Configuration;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Cursor;
 using osu.Game.Online.API;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Backgrounds;
 using osu.Game.Screens.Play.BreaksOverlay;
+using osu.Game.Screens.Ranking;
 using osu.Game.Storyboards.Drawables;
+using OpenTK;
 
 namespace osu.Game.Screens.Play
 {
@@ -79,7 +79,6 @@ namespace osu.Game.Screens.Play
 
         #endregion
 
-        private BreakOverlay breakOverlay;
         private Container storyboardContainer;
         private DrawableStoryboard storyboard;
 
@@ -155,6 +154,8 @@ namespace osu.Game.Screens.Play
             userAudioOffset.ValueChanged += v => offsetClock.Offset = v;
             userAudioOffset.TriggerChange();
 
+            scoreProcessor = RulesetContainer.CreateScoreProcessor();
+
             Children = new Drawable[]
             {
                 storyboardContainer = new Container
@@ -170,13 +171,12 @@ namespace osu.Game.Screens.Play
                     OnRetry = Restart,
                     OnQuit = Exit,
                     CheckCanPause = () => AllowPause && ValidForResume && !HasFailed && !RulesetContainer.HasReplayLoaded,
-                    OnPause = () => {
+                    OnPause = () =>
+                    {
                         pauseContainer.Retries = RestartCount;
                         hudOverlay.KeyCounter.IsCounting = pauseContainer.IsPaused;
                     },
-                    OnResume = () => {
+                    OnResume = () => hudOverlay.KeyCounter.IsCounting = true,
-                        hudOverlay.KeyCounter.IsCounting = true;
-                    },
                     Children = new Drawable[]
                     {
                         new Container
@@ -186,12 +186,12 @@ namespace osu.Game.Screens.Play
                             Child = RulesetContainer,
                         },
                         new SkipButton(firstObjectTime) { AudioClock = decoupledClock },
-                        hudOverlay = new HUDOverlay
+                        hudOverlay = new HUDOverlay(scoreProcessor, RulesetContainer, decoupledClock, working, adjustableSourceClock)
                         {
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre
                         },
-                        breakOverlay = new BreakOverlay(beatmap.BeatmapInfo.LetterboxInBreaks)
+                        new BreakOverlay(beatmap.BeatmapInfo.LetterboxInBreaks, scoreProcessor)
                         {
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
@@ -207,7 +207,8 @@ namespace osu.Game.Screens.Play
                 },
                 new HotkeyRetryOverlay
                 {
-                    Action = () => {
+                    Action = () =>
+                    {
                         if (!IsCurrentScreen) return;
 
                         //we want to hide the hitrenderer immediately (looks better).
@@ -218,24 +219,9 @@ namespace osu.Game.Screens.Play
                 }
             };
 
-            scoreProcessor = RulesetContainer.CreateScoreProcessor();
-
             if (showStoryboard)
                 initializeStoryboard(false);
 
-            hudOverlay.BindProcessor(scoreProcessor);
-            hudOverlay.BindRulesetContainer(RulesetContainer);
-
-            hudOverlay.Progress.Objects = RulesetContainer.Objects;
-            hudOverlay.Progress.AudioClock = decoupledClock;
-            hudOverlay.Progress.OnSeek = pos => decoupledClock.Seek(pos);
-
-            hudOverlay.ModDisplay.Current.BindTo(working.Mods);
-
-            breakOverlay.BindProcessor(scoreProcessor);
-
-            hudOverlay.ReplaySettingsOverlay.PlaybackSettings.AdjustableClock = adjustableSourceClock;
-
             // Bind ScoreProcessor to ourselves
             scoreProcessor.AllJudged += onCompletion;
             scoreProcessor.Failed += onFail;

osu.Game/Screens/Select/PlaySongSelect.cs

@@ -13,6 +13,7 @@ using osu.Game.Beatmaps;
 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;
@@ -47,10 +48,13 @@ namespace osu.Game.Screens.Select
         private SampleChannel sampleConfirm;
 
         [BackgroundDependencyLoader(true)]
-        private void load(OsuColour colours, AudioManager audio, BeatmapManager beatmaps, DialogOverlay dialogOverlay)
+        private void load(OsuColour colours, AudioManager audio, BeatmapManager beatmaps, DialogOverlay dialogOverlay, OsuGame game)
         {
             sampleConfirm = audio.Sample.Get(@"SongSelect/confirm-selection");
 
+            if (game != null)
+                modSelect.SelectedMods.BindTo(game.SelectedMods);
+
             Footer.AddButton(@"mods", colours.Yellow, modSelect, Key.F1, float.MaxValue);
 
             BeatmapOptions.AddButton(@"Remove", @"from unplayed", FontAwesome.fa_times_circle_o, colours.Purple, null, Key.Number1);
@@ -121,6 +125,9 @@ namespace osu.Game.Screens.Select
             if (Beatmap.Value.Track != null)
                 Beatmap.Value.Track.Looping = false;
 
+            Beatmap.Value.Mods.UnbindBindings();
+            Beatmap.Value.Mods.Value = new Mod[] { };
+
             return false;
         }
 

osu.Game/Screens/Select/SongSelect.cs

@@ -181,7 +181,7 @@ namespace osu.Game.Screens.Select
         [BackgroundDependencyLoader(permitNulls: true)]
         private void load(BeatmapManager beatmaps, AudioManager audio, DialogOverlay dialog, OsuGame osu, OsuColour colours)
         {
-            dependencies.Cache(this);
+            dependencies.CacheAs(this);
 
             if (Footer != null)
             {

osu.Game/Screens/Tournament/Components/DrawingsConfigManager.cs

@@ -6,7 +6,7 @@ using osu.Framework.Platform;
 
 namespace osu.Game.Screens.Tournament.Components
 {
-    public class DrawingsConfigManager : ConfigManager<DrawingsConfig>
+    public class DrawingsConfigManager : IniConfigManager<DrawingsConfig>
     {
         protected override string Filename => @"drawings.ini";
 

osu.Game/osu.Game.csproj

@@ -91,6 +91,10 @@
     <Reference Include="Humanizer, Version=2.2.0.0, Culture=neutral, PublicKeyToken=979442b78dfc278e, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\Humanizer.Core.2.2.0\lib\netstandard1.0\Humanizer.dll</HintPath>
     </Reference>
+    <Reference Include="JetBrains.Annotations, Version=11.1.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)\packages\JetBrains.Annotations.11.1.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.Data.Sqlite, Version=2.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\Microsoft.Data.Sqlite.Core.2.0.0\lib\netstandard2.0\Microsoft.Data.Sqlite.dll</HintPath>
     </Reference>
@@ -265,10 +269,17 @@
     <Compile Include="Beatmaps\Formats\JsonBeatmapDecoder.cs" />
     <Compile Include="Beatmaps\Formats\LegacyDecoder.cs" />
     <Compile Include="Beatmaps\Formats\LegacyStoryboardDecoder.cs" />
+    <Compile Include="Configuration\DatabasedSetting.cs" />
+    <Compile Include="Configuration\SettingsStore.cs" />
+    <Compile Include="Configuration\DatabasedConfigManager.cs" />
     <Compile Include="Configuration\SpeedChangeVisualisationMethod.cs" />
     <Compile Include="Database\DatabaseContextFactory.cs" />
     <Compile Include="Database\IHasPrimaryKey.cs" />
     <Compile Include="Graphics\Textures\LargeTextureStore.cs" />
+    <Compile Include="Migrations\20180125143340_Settings.cs" />
+    <Compile Include="Migrations\20180125143340_Settings.Designer.cs">
+      <DependentUpon>20180125143340_Settings.cs</DependentUpon>
+    </Compile>
     <Compile Include="Overlays\Profile\SupporterIcon.cs" />
     <Compile Include="Online\API\Requests\GetFriendsRequest.cs" />
     <Compile Include="Overlays\Settings\DangerousSettingsButton.cs" />
@@ -314,6 +325,8 @@
     <Compile Include="Overlays\Profile\Sections\Ranks\ScoreModsContainer.cs" />
     <Compile Include="Overlays\Settings\Sections\Gameplay\ScrollingSettings.cs" />
     <Compile Include="Overlays\Settings\Sections\Maintenance\DeleteAllBeatmapsDialog.cs" />
+    <Compile Include="Rulesets\Configuration\IRulesetConfigManager.cs" />
+    <Compile Include="Rulesets\Configuration\RulesetConfigManager.cs" />
     <Compile Include="Rulesets\Mods\IApplicableFailOverride.cs" />
     <Compile Include="Rulesets\Mods\IApplicableMod.cs" />
     <Compile Include="Rulesets\Mods\IApplicableToBeatmapConverter.cs" />
@@ -433,8 +446,8 @@
     <Compile Include="Graphics\UserInterface\Volume\VolumeControlReceptor.cs" />
     <Compile Include="Graphics\UserInterface\Volume\VolumeMeter.cs" />
     <Compile Include="Input\Bindings\DatabasedKeyBinding.cs" />
-    <Compile Include="Input\Bindings\DatabasedKeyBindingInputManager.cs" />
+    <Compile Include="Input\Bindings\DatabasedKeyBindingContainer.cs" />
-    <Compile Include="Input\Bindings\GlobalKeyBindingInputManager.cs" />
+    <Compile Include="Input\Bindings\GlobalActionContainer.cs" />
     <Compile Include="Input\Handlers\ReplayInputHandler.cs" />
     <Compile Include="Input\KeyBindingStore.cs" />
     <Compile Include="IO\FileInfo.cs" />

osu.Game/osu.nuspec

@@ -12,12 +12,12 @@
         <description>click the circles. to the beat.</description>
         <summary>click the circles.</summary>
         <releaseNotes>testing</releaseNotes>
-        <copyright>Copyright ppy Pty Ltd 2007-2017</copyright>
+        <copyright>Copyright ppy Pty Ltd 2007-2018</copyright>
         <language>en-AU</language>
     </metadata>
     <files>
       <file src="*.exe" target="lib\net45\" exclude="**vshost**"/>
-      <file src="*.dll" target="lib\net45\"/>
+      <file src="*.dll" target="lib\net45\"/>
       <file src="*.config" target="lib\net45\"/>
       <file src="x86\*.dll" target="lib\net45\x86\"/>
       <file src="x64\*.dll" target="lib\net45\x64\"/>

osu.Game/packages.config

@@ -47,6 +47,7 @@ Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/maste
   <package id="Humanizer.Core.zh-CN" version="2.2.0" targetFramework="net461" />
   <package id="Humanizer.Core.zh-Hans" version="2.2.0" targetFramework="net461" />
   <package id="Humanizer.Core.zh-Hant" version="2.2.0" targetFramework="net461" />
+  <package id="JetBrains.Annotations" version="11.1.0" targetFramework="net461" />
   <package id="Microsoft.CSharp" version="4.4.0" targetFramework="net461" />
   <package id="Microsoft.Data.Sqlite.Core" version="2.0.0" targetFramework="net461" />
   <package id="Microsoft.EntityFrameworkCore" version="2.0.0" targetFramework="net461" />