Implement mania selection movements

osu.Game.Rulesets.Mania.Tests/ManiaSelectionBlueprintTestCase.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.Framework.Allocation;
+using osu.Framework.Timing;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Mania.Tests
+{
+    public abstract class ManiaSelectionBlueprintTestCase : SelectionBlueprintTestCase
+    {
+        [Cached(Type = typeof(IAdjustableClock))]
+        private readonly IAdjustableClock clock = new StopwatchClock();
+    }
+}

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

@@ -15,7 +15,7 @@ using osu.Game.Tests.Visual;
 
 namespace osu.Game.Rulesets.Mania.Tests
 {
-    public class TestCaseHoldNoteSelectionBlueprint : SelectionBlueprintTestCase
+    public class TestCaseHoldNoteSelectionBlueprint : ManiaSelectionBlueprintTestCase
     {
         private readonly DrawableHoldNote drawableObject;
 

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

@@ -15,7 +15,7 @@ using OpenTK;
 
 namespace osu.Game.Rulesets.Mania.Tests
 {
-    public class TestCaseNoteSelectionBlueprint : SelectionBlueprintTestCase
+    public class TestCaseNoteSelectionBlueprint : ManiaSelectionBlueprintTestCase
     {
         private readonly DrawableNote drawableObject;
 

osu.Game.Rulesets.Mania/Edit/Blueprints/ManiaSelectionBlueprint.cs

@@ -1,22 +1,36 @@
 // 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.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Input.Events;
+using osu.Framework.Timing;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.UI.Scrolling;
 using OpenTK;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
     public class ManiaSelectionBlueprint : SelectionBlueprint
     {
+        protected IClock EditorClock { get; private set; }
+
+        [Resolved]
+        private IScrollingInfo scrollingInfo { get; set; }
+
         public ManiaSelectionBlueprint(DrawableHitObject hitObject)
             : base(hitObject)
         {
             RelativeSizeAxes = Axes.None;
         }
 
+        [BackgroundDependencyLoader]
+        private void load(IAdjustableClock clock)
+        {
+            EditorClock = clock;
+        }
+
         protected override void Update()
         {
             base.Update();
@@ -26,6 +40,25 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 
         public override void AdjustPosition(DragEvent dragEvent)
         {
+            var objectParent = HitObject.Parent;
+
+            // Using the hitobject position is required since AdjustPosition can be invoked multiple times per frame
+            // without the position having been updated by the parenting ScrollingHitObjectContainer
+            HitObject.Y += dragEvent.Delta.Y;
+
+            float targetPosition;
+
+            // If we're scrolling downwards, a position of 0 is actually further away from the hit target
+            // so we need to flip the vertical coordinate in the hitobject container's space
+            if (scrollingInfo.Direction.Value == ScrollingDirection.Down)
+                targetPosition = -HitObject.Position.Y;
+            else
+                targetPosition = HitObject.Position.Y;
+
+            HitObject.HitObject.StartTime = scrollingInfo.Algorithm.TimeAt(targetPosition,
+                EditorClock.CurrentTime,
+                scrollingInfo.TimeRange.Value,
+                objectParent.DrawHeight);
         }
     }
 }