Merge pull request #1355 from peppy/catch-improvements

Add (mostly correct) droplets

osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapConverter.cs

@@ -5,9 +5,9 @@ using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Objects;
 using System.Collections.Generic;
 using System;
+using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Objects;
-using osu.Game.Rulesets.Osu.UI;
 
 namespace osu.Game.Rulesets.Catch.Beatmaps
 {
@@ -17,14 +17,37 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
 
         protected override IEnumerable<CatchBaseHit> ConvertHitObject(HitObject obj, Beatmap beatmap)
         {
-            if (!(obj is IHasXPosition))
+            var curveData = obj as IHasCurve;
+            var positionData = obj as IHasPosition;
+            var comboData = obj as IHasCombo;
+
+            if (positionData == null)
                 yield break;
 
+            if (curveData != null)
+            {
+                yield return new JuiceStream
+                {
+                    StartTime = obj.StartTime,
+                    Samples = obj.Samples,
+                    ControlPoints = curveData.ControlPoints,
+                    CurveType = curveData.CurveType,
+                    Distance = curveData.Distance,
+                    RepeatSamples = curveData.RepeatSamples,
+                    RepeatCount = curveData.RepeatCount,
+                    X = positionData.X / CatchPlayfield.BASE_WIDTH,
+                    NewCombo = comboData?.NewCombo ?? false
+                };
+
+                yield break;
+            }
+
             yield return new Fruit
             {
                 StartTime = obj.StartTime,
-                NewCombo = (obj as IHasCombo)?.NewCombo ?? false,
+                Samples = obj.Samples,
-                X = ((IHasXPosition)obj).X / OsuPlayfield.BASE_SIZE.X
+                NewCombo = comboData?.NewCombo ?? false,
+                X = positionData.X / CatchPlayfield.BASE_WIDTH
             };
         }
     }

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableCatchHitObject.cs

@@ -0,0 +1,60 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Graphics;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public abstract class DrawableCatchHitObject<TObject> : DrawableCatchHitObject
+        where TObject : CatchBaseHit
+    {
+        public new TObject HitObject;
+
+        protected DrawableCatchHitObject(TObject hitObject)
+            : base(hitObject)
+        {
+            HitObject = hitObject;
+        }
+    }
+
+    public abstract class DrawableCatchHitObject : DrawableScrollingHitObject<CatchBaseHit>
+    {
+        protected DrawableCatchHitObject(CatchBaseHit hitObject)
+            : base(hitObject)
+        {
+            RelativePositionAxes = Axes.Both;
+            X = hitObject.X;
+            Y = (float)HitObject.StartTime;
+        }
+
+        public Func<CatchBaseHit, bool> CheckPosition;
+
+        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
+        {
+            if (timeOffset > 0)
+                AddJudgement(new Judgement { Result = CheckPosition?.Invoke(HitObject) ?? false ? HitResult.Perfect : HitResult.Miss });
+        }
+
+        private const float preempt = 1000;
+
+        protected override void UpdateState(ArmedState state)
+        {
+            using (BeginAbsoluteSequence(HitObject.StartTime - preempt))
+            {
+                // animation
+                this.FadeIn(200);
+            }
+
+            switch (state)
+            {
+                case ArmedState.Miss:
+                    using (BeginAbsoluteSequence(HitObject.StartTime, true))
+                        this.FadeOut(250).RotateTo(Rotation * 2, 250, Easing.Out);
+                    break;
+            }
+        }
+    }
+}

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableDroplet.cs

@@ -0,0 +1,34 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Game.Rulesets.Catch.Objects.Drawable.Pieces;
+using OpenTK;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public class DrawableDroplet : DrawableCatchHitObject<Droplet>
+    {
+        public DrawableDroplet(Droplet h)
+            : base(h)
+        {
+            Origin = Anchor.Centre;
+
+            Size = new Vector2(Pulp.PULP_SIZE);
+
+            AccentColour = h.ComboColour;
+            Masking = false;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Child = new Pulp
+            {
+                AccentColour = AccentColour,
+                Scale = new Vector2(0.8f),
+            };
+        }
+    }
+}

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableFruit.cs

@@ -1,72 +1,29 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System;
 using osu.Framework.Allocation;
-using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Shapes;
 using osu.Framework.MathUtils;
-using osu.Game.Graphics;
+using osu.Game.Rulesets.Catch.Objects.Drawable.Pieces;
-using osu.Game.Rulesets.Judgements;
-using osu.Game.Rulesets.Objects.Drawables;
 using OpenTK;
-using OpenTK.Graphics;
 
 namespace osu.Game.Rulesets.Catch.Objects.Drawable
 {
-    public class DrawableFruit : DrawableScrollingHitObject<CatchBaseHit>
+    public class DrawableFruit : DrawableCatchHitObject<Fruit>
     {
-        private const float pulp_size = 20;
+        public DrawableFruit(Fruit h)
-
-        private class Pulp : Circle, IHasAccentColour
-        {
-            public Pulp()
-            {
-                Size = new Vector2(pulp_size);
-
-                Blending = BlendingMode.Additive;
-                Colour = Color4.White.Opacity(0.9f);
-            }
-
-            private Color4 accentColour;
-            public Color4 AccentColour
-            {
-                get { return accentColour; }
-                set
-                {
-                    accentColour = value;
-
-                    EdgeEffect = new EdgeEffectParameters
-                    {
-                        Type = EdgeEffectType.Glow,
-                        Radius = 5,
-                        Colour = accentColour.Lighten(100),
-                    };
-                }
-            }
-        }
-
-
-        public DrawableFruit(CatchBaseHit h)
             : base(h)
         {
             Origin = Anchor.Centre;
-            Size = new Vector2(pulp_size * 2.2f, pulp_size * 2.8f);
-
-            RelativePositionAxes = Axes.Both;
-            X = h.X;
 
+            Size = new Vector2(Pulp.PULP_SIZE * 2.2f, Pulp.PULP_SIZE * 2.8f);
             AccentColour = HitObject.ComboColour;
-
             Masking = false;
 
             Rotation = (float)(RNG.NextDouble() - 0.5f) * 40;
         }
 
-        public Func<CatchBaseHit, bool> CheckPosition;
-
         [BackgroundDependencyLoader]
         private void load()
         {
@@ -114,30 +71,5 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawable
                 }
             };
         }
-
-        private const float preempt = 1000;
-
-        protected override void CheckForJudgements(bool userTriggered, double timeOffset)
-        {
-            if (timeOffset > 0)
-                AddJudgement(new Judgement { Result = CheckPosition?.Invoke(HitObject) ?? false ? HitResult.Perfect : HitResult.Miss });
-        }
-
-        protected override void UpdateState(ArmedState state)
-        {
-            using (BeginAbsoluteSequence(HitObject.StartTime - preempt))
-            {
-                // animation
-                this.FadeIn(200);
-            }
-
-            switch (state)
-            {
-                case ArmedState.Miss:
-                    using (BeginAbsoluteSequence(HitObject.StartTime, true))
-                        this.FadeOut(250).RotateTo(Rotation * 2, 250, Easing.Out);
-                    break;
-            }
-        }
     }
 }

osu.Game.Rulesets.Catch/Objects/Drawable/DrawableJuiceStream.cs

@@ -0,0 +1,54 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using OpenTK;
+using osu.Game.Rulesets.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable
+{
+    public class DrawableJuiceStream : DrawableCatchHitObject<JuiceStream>
+    {
+        private readonly Container dropletContainer;
+
+        public DrawableJuiceStream(JuiceStream s) : base(s)
+        {
+            RelativeSizeAxes = Axes.Both;
+            Height = (float)HitObject.Duration;
+            X = 0;
+
+            Child = dropletContainer = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+                RelativeChildOffset = new Vector2(0, (float)HitObject.StartTime),
+                RelativeChildSize = new Vector2(1, (float)HitObject.Duration)
+            };
+
+            foreach (CatchBaseHit tick in s.Ticks)
+            {
+                TinyDroplet tiny = tick as TinyDroplet;
+                if (tiny != null)
+                {
+                    AddNested(new DrawableDroplet(tiny) { Scale = new Vector2(0.5f) });
+                    continue;
+                }
+
+                Droplet droplet = tick as Droplet;
+                if (droplet != null)
+                    AddNested(new DrawableDroplet(droplet));
+
+                Fruit fruit = tick as Fruit;
+                if (fruit != null)
+                    AddNested(new DrawableFruit(fruit));
+            }
+        }
+
+        protected override void AddNested(DrawableHitObject<CatchBaseHit> h)
+        {
+            ((DrawableCatchHitObject)h).CheckPosition = o => CheckPosition?.Invoke(o) ?? false;
+            dropletContainer.Add(h);
+            base.AddNested(h);
+        }
+    }
+}

osu.Game.Rulesets.Catch/Objects/Drawable/Pieces/Pulp.cs

@@ -0,0 +1,43 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawable.Pieces
+{
+    public class Pulp : Circle, IHasAccentColour
+    {
+        public const float PULP_SIZE = 20;
+
+        public Pulp()
+        {
+            Size = new Vector2(PULP_SIZE);
+
+            Blending = BlendingMode.Additive;
+            Colour = Color4.White.Opacity(0.9f);
+        }
+
+        private Color4 accentColour;
+        public Color4 AccentColour
+        {
+            get { return accentColour; }
+            set
+            {
+                accentColour = value;
+
+                EdgeEffect = new EdgeEffectParameters
+                {
+                    Type = EdgeEffectType.Glow,
+                    Radius = 5,
+                    Colour = accentColour.Lighten(100),
+                };
+            }
+        }
+    }
+}

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

@@ -0,0 +1,169 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using osu.Game.Audio;
+using osu.Game.Beatmaps;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using OpenTK;
+using osu.Framework.Lists;
+
+namespace osu.Game.Rulesets.Catch.Objects
+{
+    public class JuiceStream : CatchBaseHit, IHasCurve
+    {
+        /// <summary>
+        /// Positional distance that results in a duration of one second, before any speed adjustments.
+        /// </summary>
+        private const float base_scoring_distance = 100;
+
+        public readonly SliderCurve Curve = new SliderCurve();
+
+        public int RepeatCount { get; set; } = 1;
+
+        public double Velocity;
+        public double TickDistance;
+
+        public override void ApplyDefaults(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
+        {
+            base.ApplyDefaults(controlPointInfo, difficulty);
+
+            TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(StartTime);
+            DifficultyControlPoint difficultyPoint = controlPointInfo.DifficultyPointAt(StartTime);
+
+            double scoringDistance = base_scoring_distance * difficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier;
+
+            Velocity = scoringDistance / timingPoint.BeatLength;
+            TickDistance = scoringDistance / difficulty.SliderTickRate;
+        }
+
+        public IEnumerable<CatchBaseHit> Ticks
+        {
+            get
+            {
+                SortedList<CatchBaseHit> ticks = new SortedList<CatchBaseHit>((a, b) => a.StartTime.CompareTo(b.StartTime));
+
+                if (TickDistance == 0)
+                    return ticks;
+
+                var length = Curve.Distance;
+                var tickDistance = Math.Min(TickDistance, length);
+                var repeatDuration = length / Velocity;
+
+                var minDistanceFromEnd = Velocity * 0.01;
+
+                ticks.Add(new Fruit
+                {
+                    Samples = Samples,
+                    ComboColour = ComboColour,
+                    StartTime = StartTime,
+                    X = X
+                });
+
+                for (var repeat = 0; repeat < RepeatCount; repeat++)
+                {
+                    var repeatStartTime = StartTime + repeat * repeatDuration;
+                    var reversed = repeat % 2 == 1;
+
+                    for (var d = tickDistance; d <= length; d += tickDistance)
+                    {
+                        if (d > length - minDistanceFromEnd)
+                            break;
+
+                        var timeProgress = d / length;
+                        var distanceProgress = reversed ? 1 - timeProgress : timeProgress;
+
+                        var lastTickTime = repeatStartTime + timeProgress * repeatDuration;
+                        ticks.Add(new Droplet
+                        {
+                            StartTime = lastTickTime,
+                            ComboColour = ComboColour,
+                            X = Curve.PositionAt(distanceProgress).X / CatchPlayfield.BASE_WIDTH,
+                            Samples = new SampleInfoList(Samples.Select(s => new SampleInfo
+                            {
+                                Bank = s.Bank,
+                                Name = @"slidertick",
+                                Volume = s.Volume
+                            }))
+                        });
+                    }
+
+                    double tinyTickInterval = tickDistance / length * repeatDuration;
+                    while (tinyTickInterval > 100)
+                        tinyTickInterval /= 2;
+
+                    for (double t = 0; t < repeatDuration; t += tinyTickInterval)
+                    {
+                        double progress = reversed ? 1 - t / repeatDuration : t / repeatDuration;
+
+                        ticks.Add(new TinyDroplet
+                        {
+                            StartTime = repeatStartTime + t,
+                            ComboColour = ComboColour,
+                            X = Curve.PositionAt(progress).X / CatchPlayfield.BASE_WIDTH,
+                            Samples = new SampleInfoList(Samples.Select(s => new SampleInfo
+                            {
+                                Bank = s.Bank,
+                                Name = @"slidertick",
+                                Volume = s.Volume
+                            }))
+                        });
+                    }
+
+                    ticks.Add(new Fruit
+                    {
+                        Samples = Samples,
+                        ComboColour = ComboColour,
+                        StartTime = repeatStartTime + repeatDuration,
+                        X = Curve.PositionAt(reversed ? 0 : 1).X / CatchPlayfield.BASE_WIDTH
+                    });
+                }
+
+                return ticks;
+            }
+        }
+
+        public double EndTime => StartTime + RepeatCount * Curve.Distance / Velocity;
+
+        public float EndX => Curve.PositionAt(ProgressAt(1)).X / CatchPlayfield.BASE_WIDTH;
+
+        public double Duration => EndTime - StartTime;
+
+        public double Distance
+        {
+            get { return Curve.Distance; }
+            set { Curve.Distance = value; }
+        }
+
+        public List<Vector2> ControlPoints
+        {
+            get { return Curve.ControlPoints; }
+            set { Curve.ControlPoints = value; }
+        }
+
+        public List<SampleInfoList> RepeatSamples { get; set; } = new List<SampleInfoList>();
+
+        public CurveType CurveType
+        {
+            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/Objects/TinyDroplet.cs

@@ -0,0 +1,9 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Rulesets.Catch.Objects
+{
+    public class TinyDroplet : Droplet
+    {
+    }
+}

osu.Game.Rulesets.Catch/Scoring/CatchScoreProcessor.cs

@@ -21,6 +21,19 @@ namespace osu.Game.Rulesets.Catch.Scoring
         {
             foreach (var obj in beatmap.HitObjects)
             {
+                var stream = obj as JuiceStream;
+
+                if (stream != null)
+                {
+                    AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+                    AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+
+                    foreach (var unused in stream.Ticks)
+                        AddJudgement(new CatchJudgement { Result = HitResult.Perfect });
+
+                    continue;
+                }
+
                 var fruit = obj as Fruit;
 
                 if (fruit != null)

osu.Game.Rulesets.Catch/Tests/TestCaseCatchPlayer.cs

@@ -2,8 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using NUnit.Framework;
-using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Catch.Objects;
 
 namespace osu.Game.Rulesets.Catch.Tests
 {
@@ -13,15 +11,5 @@ namespace osu.Game.Rulesets.Catch.Tests
         public TestCaseCatchPlayer() : base(typeof(CatchRuleset))
         {
         }
-
-        protected override Beatmap CreateBeatmap()
-        {
-            var beatmap = new Beatmap();
-
-            for (int i = 0; i < 256; i++)
-                beatmap.HitObjects.Add(new Fruit { X = 0.5f, StartTime = i * 100, NewCombo = i % 8 == 0 });
-
-            return beatmap;
-        }
     }
 }

osu.Game.Rulesets.Catch/Tests/TestCaseCatchStacker.cs

@@ -0,0 +1,27 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    public class TestCaseCatchStacker : Game.Tests.Visual.TestCasePlayer
+    {
+        public TestCaseCatchStacker() : base(typeof(CatchRuleset))
+        {
+        }
+
+        protected override Beatmap CreateBeatmap()
+        {
+            var beatmap = new Beatmap();
+
+            for (int i = 0; i < 256; i++)
+                beatmap.HitObjects.Add(new Fruit { X = 0.5f, StartTime = i * 100, NewCombo = i % 8 == 0 });
+
+            return beatmap;
+        }
+    }
+}

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

@@ -15,6 +15,8 @@ namespace osu.Game.Rulesets.Catch.UI
 {
     public class CatchPlayfield : ScrollingPlayfield
     {
+        public static readonly float BASE_WIDTH = 512;
+
         protected override Container<Drawable> Content => content;
         private readonly Container<Drawable> content;
 
@@ -28,8 +30,6 @@ namespace osu.Game.Rulesets.Catch.UI
 
             Reversed.Value = true;
 
-            Size = new Vector2(1);
-
             Anchor = Anchor.TopCentre;
             Origin = Anchor.TopCentre;
 
@@ -74,7 +74,7 @@ namespace osu.Game.Rulesets.Catch.UI
 
             base.Add(h);
 
-            var fruit = (DrawableFruit)h;
+            var fruit = (DrawableCatchHitObject)h;
             fruit.CheckPosition = CheckIfWeCanCatch;
         }
 
@@ -83,7 +83,11 @@ namespace osu.Game.Rulesets.Catch.UI
             if (judgement.IsHit)
             {
                 Vector2 screenPosition = judgedObject.ScreenSpaceDrawQuad.Centre;
-                Remove(judgedObject);
+
+                // todo: don't do this
+                (judgedObject.Parent as Container<DrawableHitObject>)?.Remove(judgedObject);
+                (judgedObject.Parent as Container)?.Remove(judgedObject);
+
                 catcher.Add(judgedObject, screenPosition);
             }
         }

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

@@ -32,8 +32,13 @@ namespace osu.Game.Rulesets.Catch.UI
 
         protected override DrawableHitObject<CatchBaseHit> GetVisualRepresentation(CatchBaseHit h)
         {
-            if (h is Fruit)
+            var fruit = h as Fruit;
-                return new DrawableFruit(h);
+            if (fruit != null)
+                return new DrawableFruit(fruit);
+
+            var stream = h as JuiceStream;
+            if (stream != null)
+                return new DrawableJuiceStream(stream);
 
             return null;
         }

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

@@ -50,14 +50,21 @@
     <Compile Include="Beatmaps\CatchBeatmapProcessor.cs" />
     <Compile Include="CatchDifficultyCalculator.cs" />
     <Compile Include="CatchInputManager.cs" />
+    <Compile Include="Objects\Drawable\DrawableCatchHitObject.cs" />
+    <Compile Include="Objects\Drawable\DrawableDroplet.cs" />
+    <Compile Include="Objects\Drawable\DrawableJuiceStream.cs" />
+    <Compile Include="Objects\Drawable\Pieces\Pulp.cs" />
+    <Compile Include="Objects\JuiceStream.cs" />
     <Compile Include="Scoring\CatchScoreProcessor.cs" />
     <Compile Include="Judgements\CatchJudgement.cs" />
     <Compile Include="Objects\CatchBaseHit.cs" />
     <Compile Include="Objects\Drawable\DrawableFruit.cs" />
     <Compile Include="Objects\Droplet.cs" />
     <Compile Include="Objects\Fruit.cs" />
+    <Compile Include="Objects\TinyDroplet.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Tests\TestCaseCatcher.cs" />
+    <Compile Include="Tests\TestCaseCatchStacker.cs" />
     <Compile Include="Tests\TestCaseCatchPlayer.cs" />
     <Compile Include="UI\Catcher.cs" />
     <Compile Include="UI\CatchRulesetContainer.cs" />
@@ -79,11 +86,6 @@
       <Name>osu.Framework</Name>
       <Private>False</Private>
     </ProjectReference>
-    <ProjectReference Include="..\osu.Game.Rulesets.Osu\osu.Game.Rulesets.Osu.csproj">
-      <Project>{C92A607B-1FDD-4954-9F92-03FF547D9080}</Project>
-      <Name>osu.Game.Rulesets.Osu</Name>
-      <Private>False</Private>
-    </ProjectReference>
     <ProjectReference Include="..\osu.Game\osu.Game.csproj">
       <Project>{2a66dd92-adb1-4994-89e2-c94e04acda0d}</Project>
       <Name>osu.Game</Name>

osu.Game/Rulesets/Objects/SliderCurve.cs

@@ -200,4 +200,4 @@ namespace osu.Game.Rulesets.Objects
             return interpolateVertices(indexOfDistance(d), d) + Offset;
         }
     }
-}
+}