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629 lines
24 KiB
C#
629 lines
24 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Caching;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Primitives;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Framework.Utils;
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using osu.Game.Audio;
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using osu.Game.Configuration;
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using osu.Game.Graphics.UserInterface;
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using osu.Game.Rulesets.Edit;
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using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Objects.Types;
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using osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components;
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using osu.Game.Rulesets.Osu.Objects;
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using osu.Game.Rulesets.Osu.Objects.Drawables;
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using osu.Game.Screens.Edit;
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using osu.Game.Screens.Edit.Compose;
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using osuTK;
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using osuTK.Input;
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namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
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{
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public partial class SliderSelectionBlueprint : OsuSelectionBlueprint<Slider>
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{
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protected new DrawableSlider DrawableObject => (DrawableSlider)base.DrawableObject;
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protected SliderBodyPiece BodyPiece { get; private set; } = null!;
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protected SliderCircleOverlay HeadOverlay { get; private set; } = null!;
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protected SliderCircleOverlay TailOverlay { get; private set; } = null!;
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protected PathControlPointVisualiser<Slider>? ControlPointVisualiser { get; private set; }
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[Resolved]
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private IDistanceSnapProvider? distanceSnapProvider { get; set; }
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[Resolved]
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private IPlacementHandler? placementHandler { get; set; }
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[Resolved]
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private EditorBeatmap? editorBeatmap { get; set; }
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[Resolved]
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private IEditorChangeHandler? changeHandler { get; set; }
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[Resolved]
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private BindableBeatDivisor? beatDivisor { get; set; }
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private PathControlPoint? placementControlPoint;
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public override Quad SelectionQuad
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{
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get
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{
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var result = BodyPiece.ScreenSpaceDrawQuad.AABBFloat;
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result = RectangleF.Union(result, HeadOverlay.VisibleQuad);
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result = RectangleF.Union(result, TailOverlay.VisibleQuad);
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if (ControlPointVisualiser != null)
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{
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foreach (var piece in ControlPointVisualiser.Pieces)
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result = RectangleF.Union(result, piece.ScreenSpaceDrawQuad.AABBFloat);
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}
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return result;
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}
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}
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private readonly BindableList<PathControlPoint> controlPoints = new BindableList<PathControlPoint>();
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private readonly IBindable<int> pathVersion = new Bindable<int>();
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private readonly BindableList<HitObject> selectedObjects = new BindableList<HitObject>();
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private readonly Bindable<bool> showHitMarkers = new Bindable<bool>();
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// Cached slider path which ignored the expected distance value.
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private readonly Cached<SliderPath> fullPathCache = new Cached<SliderPath>();
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private Vector2 lastRightClickPosition;
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public SliderSelectionBlueprint(Slider slider)
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: base(slider)
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{
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}
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[BackgroundDependencyLoader]
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private void load(OsuConfigManager config)
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{
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InternalChildren = new Drawable[]
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{
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BodyPiece = new SliderBodyPiece(),
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HeadOverlay = CreateCircleOverlay(HitObject, SliderPosition.Start),
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TailOverlay = CreateCircleOverlay(HitObject, SliderPosition.End),
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};
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// tail will always have a non-null end drag marker.
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Debug.Assert(TailOverlay.EndDragMarker != null);
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TailOverlay.EndDragMarker.StartDrag += startAdjustingLength;
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TailOverlay.EndDragMarker.Drag += adjustLength;
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TailOverlay.EndDragMarker.EndDrag += endAdjustLength;
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config.BindWith(OsuSetting.EditorShowHitMarkers, showHitMarkers);
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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controlPoints.BindTo(HitObject.Path.ControlPoints);
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controlPoints.CollectionChanged += (_, _) => fullPathCache.Invalidate();
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pathVersion.BindTo(HitObject.Path.Version);
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pathVersion.BindValueChanged(_ => editorBeatmap?.Update(HitObject));
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BodyPiece.UpdateFrom(HitObject);
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if (editorBeatmap != null)
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selectedObjects.BindTo(editorBeatmap.SelectedHitObjects);
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selectedObjects.BindCollectionChanged((_, _) => updateVisualDefinition(), true);
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showHitMarkers.BindValueChanged(_ =>
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{
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if (!showHitMarkers.Value)
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DrawableObject.RestoreHitAnimations();
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});
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}
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public override bool HandleQuickDeletion()
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{
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var hoveredControlPoint = ControlPointVisualiser?.Pieces.FirstOrDefault(p => p.IsHovered);
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if (hoveredControlPoint == null)
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return false;
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hoveredControlPoint.IsSelected.Value = true;
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ControlPointVisualiser?.DeleteSelected();
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return true;
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}
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protected override void Update()
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{
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base.Update();
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if (IsSelected)
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BodyPiece.UpdateFrom(HitObject);
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if (showHitMarkers.Value)
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DrawableObject.SuppressHitAnimations();
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}
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protected override bool OnHover(HoverEvent e)
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{
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updateVisualDefinition();
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return base.OnHover(e);
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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updateVisualDefinition();
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base.OnHoverLost(e);
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}
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protected override void OnSelected()
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{
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updateVisualDefinition();
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base.OnSelected();
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}
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protected override void OnDeselected()
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{
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base.OnDeselected();
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updateVisualDefinition();
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BodyPiece.RecyclePath();
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}
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private void updateVisualDefinition()
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{
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// To reduce overhead of drawing these blueprints, only add extra detail when only this slider is selected.
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if (IsSelected && selectedObjects.Count < 2)
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{
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if (ControlPointVisualiser == null)
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{
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AddInternal(ControlPointVisualiser = new PathControlPointVisualiser<Slider>(HitObject, true)
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{
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RemoveControlPointsRequested = removeControlPoints,
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SplitControlPointsRequested = splitControlPoints
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});
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}
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}
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else
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{
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ControlPointVisualiser?.Expire();
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ControlPointVisualiser = null;
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}
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}
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protected override bool OnMouseDown(MouseDownEvent e)
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{
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switch (e.Button)
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{
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case MouseButton.Right:
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lastRightClickPosition = e.MouseDownPosition;
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return false; // Allow right click to be handled by context menu
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case MouseButton.Left:
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// If there's more than two objects selected, ctrl+click should deselect
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if (e.ControlPressed && IsSelected && selectedObjects.Count < 2)
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{
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changeHandler?.BeginChange();
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placementControlPoint = addControlPoint(e.MousePosition);
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ControlPointVisualiser?.SetSelectionTo(placementControlPoint);
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return true; // Stop input from being handled and modifying the selection
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}
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break;
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}
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return false;
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}
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#region Length Adjustment (independent of path nodes)
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private Vector2 lengthAdjustMouseOffset;
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private double oldDuration;
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private double oldVelocityMultiplier;
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private double desiredDistance;
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private bool isAdjustingLength;
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private bool adjustVelocityMomentary;
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private void startAdjustingLength(DragStartEvent e)
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{
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isAdjustingLength = true;
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adjustVelocityMomentary = e.ShiftPressed;
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lengthAdjustMouseOffset = ToLocalSpace(e.ScreenSpaceMouseDownPosition) - HitObject.Position - HitObject.Path.PositionAt(1);
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oldDuration = HitObject.Path.Distance / HitObject.SliderVelocityMultiplier;
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oldVelocityMultiplier = HitObject.SliderVelocityMultiplier;
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changeHandler?.BeginChange();
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}
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private void endAdjustLength()
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{
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trimExcessControlPoints(HitObject.Path);
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changeHandler?.EndChange();
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isAdjustingLength = false;
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}
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private void adjustLength(MouseEvent e) => adjustLength(findClosestPathDistance(e), e.ShiftPressed);
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private void adjustLength(double proposedDistance, bool adjustVelocity)
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{
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desiredDistance = proposedDistance;
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double proposedVelocity = oldVelocityMultiplier;
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if (adjustVelocity)
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{
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proposedVelocity = proposedDistance / oldDuration;
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proposedDistance = MathHelper.Clamp(proposedDistance, 0.1 * oldDuration, 10 * oldDuration);
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}
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else
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{
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double minDistance = distanceSnapProvider?.GetBeatSnapDistanceAt(HitObject, false) * oldVelocityMultiplier ?? 1;
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// Add a small amount to the proposed distance to make it easier to snap to the full length of the slider.
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proposedDistance = distanceSnapProvider?.FindSnappedDistance(HitObject, (float)proposedDistance + 1) ?? proposedDistance;
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proposedDistance = MathHelper.Clamp(proposedDistance, minDistance, HitObject.Path.CalculatedDistance);
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}
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if (Precision.AlmostEquals(proposedDistance, HitObject.Path.Distance) && Precision.AlmostEquals(proposedVelocity, HitObject.SliderVelocityMultiplier))
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return;
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HitObject.SliderVelocityMultiplier = proposedVelocity;
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HitObject.Path.ExpectedDistance.Value = proposedDistance;
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editorBeatmap?.Update(HitObject);
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}
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/// <summary>
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/// Trims control points from the end of the slider path which are not required to reach the expected end of the slider.
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/// </summary>
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/// <param name="sliderPath">The slider path to trim control points of.</param>
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private void trimExcessControlPoints(SliderPath sliderPath)
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{
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if (!sliderPath.ExpectedDistance.Value.HasValue)
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return;
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double[] segmentEnds = sliderPath.GetSegmentEnds().ToArray();
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int segmentIndex = 0;
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for (int i = 1; i < sliderPath.ControlPoints.Count - 1; i++)
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{
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if (!sliderPath.ControlPoints[i].Type.HasValue) continue;
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if (Precision.AlmostBigger(segmentEnds[segmentIndex], 1, 1E-3))
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{
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sliderPath.ControlPoints.RemoveRange(i + 1, sliderPath.ControlPoints.Count - i - 1);
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sliderPath.ControlPoints[^1].Type = null;
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break;
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}
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segmentIndex++;
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}
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}
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/// <summary>
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/// Finds the expected distance value for which the slider end is closest to the mouse position.
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/// </summary>
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private double findClosestPathDistance(MouseEvent e)
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{
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const double step1 = 10;
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const double step2 = 0.1;
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const double longer_distance_bias = 0.01;
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var desiredPosition = ToLocalSpace(e.ScreenSpaceMousePosition) - HitObject.Position - lengthAdjustMouseOffset;
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if (!fullPathCache.IsValid)
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fullPathCache.Value = new SliderPath(HitObject.Path.ControlPoints.ToArray());
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// Do a linear search to find the closest point on the path to the mouse position.
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double bestValue = 0;
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double minDistance = double.MaxValue;
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for (double d = 0; d <= fullPathCache.Value.CalculatedDistance; d += step1)
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{
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double t = d / fullPathCache.Value.CalculatedDistance;
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double dist = Vector2.Distance(fullPathCache.Value.PositionAt(t), desiredPosition) - d * longer_distance_bias;
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if (dist >= minDistance) continue;
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minDistance = dist;
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bestValue = d;
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}
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// Do another linear search to fine-tune the result.
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double maxValue = Math.Min(bestValue + step1, fullPathCache.Value.CalculatedDistance);
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for (double d = bestValue - step1; d <= maxValue; d += step2)
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{
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double t = d / fullPathCache.Value.CalculatedDistance;
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double dist = Vector2.Distance(fullPathCache.Value.PositionAt(t), desiredPosition) - d * longer_distance_bias;
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if (dist >= minDistance) continue;
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minDistance = dist;
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bestValue = d;
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}
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return bestValue;
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}
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#endregion
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protected override bool OnDragStart(DragStartEvent e)
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{
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if (placementControlPoint == null)
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return base.OnDragStart(e);
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ControlPointVisualiser?.DragStarted(placementControlPoint);
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return true;
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}
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protected override void OnDrag(DragEvent e)
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{
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base.OnDrag(e);
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if (placementControlPoint != null)
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ControlPointVisualiser?.DragInProgress(e);
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}
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protected override void OnMouseUp(MouseUpEvent e)
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{
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if (placementControlPoint != null)
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{
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if (IsDragged)
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ControlPointVisualiser?.DragEnded();
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placementControlPoint = null;
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changeHandler?.EndChange();
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}
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}
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protected override bool OnKeyDown(KeyDownEvent e)
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{
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if (!IsSelected)
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return false;
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if (e.Key == Key.F && e.ControlPressed && e.ShiftPressed)
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{
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convertToStream();
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return true;
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}
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if (isAdjustingLength && e.ShiftPressed != adjustVelocityMomentary)
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{
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adjustVelocityMomentary = e.ShiftPressed;
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adjustLength(desiredDistance, adjustVelocityMomentary);
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return true;
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}
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return false;
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}
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protected override void OnKeyUp(KeyUpEvent e)
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{
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if (!IsSelected || !isAdjustingLength || e.ShiftPressed == adjustVelocityMomentary) return;
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adjustVelocityMomentary = e.ShiftPressed;
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adjustLength(desiredDistance, adjustVelocityMomentary);
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}
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private PathControlPoint addControlPoint(Vector2 position)
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{
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position -= HitObject.Position;
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int insertionIndex = 0;
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float minDistance = float.MaxValue;
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for (int i = 0; i < controlPoints.Count - 1; i++)
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{
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float dist = new Line(controlPoints[i].Position, controlPoints[i + 1].Position).DistanceToPoint(position);
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if (dist < minDistance)
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{
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insertionIndex = i + 1;
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minDistance = dist;
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}
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}
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var pathControlPoint = new PathControlPoint { Position = position };
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// Move the control points from the insertion index onwards to make room for the insertion
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controlPoints.Insert(insertionIndex, pathControlPoint);
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ControlPointVisualiser?.EnsureValidPathTypes();
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HitObject.SnapTo(distanceSnapProvider);
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return pathControlPoint;
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}
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private void removeControlPoints(List<PathControlPoint> toRemove)
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{
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// Ensure that there are any points to be deleted
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if (toRemove.Count == 0)
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return;
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foreach (var c in toRemove)
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{
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// The first control point in the slider must have a type, so take it from the previous "first" one
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// Todo: Should be handled within SliderPath itself
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if (c == controlPoints[0] && controlPoints.Count > 1 && controlPoints[1].Type == null)
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controlPoints[1].Type = controlPoints[0].Type;
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controlPoints.Remove(c);
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}
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ControlPointVisualiser?.EnsureValidPathTypes();
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// Snap the slider to the current beat divisor before checking length validity.
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HitObject.SnapTo(distanceSnapProvider);
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// If there are 0 or 1 remaining control points, or the slider has an invalid length, it is in a degenerate form and should be deleted
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if (controlPoints.Count <= 1 || !HitObject.Path.HasValidLength)
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{
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placementHandler?.Delete(HitObject);
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return;
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}
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// The path will have a non-zero offset if the head is removed, but sliders don't support this behaviour since the head is positioned at the slider's position
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// So the slider needs to be offset by this amount instead, and all control points offset backwards such that the path is re-positioned at (0, 0)
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Vector2 first = controlPoints[0].Position;
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foreach (var c in controlPoints)
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c.Position -= first;
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HitObject.Position += first;
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}
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private void splitControlPoints(List<PathControlPoint> controlPointsToSplitAt)
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{
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if (editorBeatmap == null)
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return;
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// Arbitrary gap in milliseconds to put between split slider pieces
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const double split_gap = 100;
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// Ensure that there are any points to be split
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if (controlPointsToSplitAt.Count == 0)
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return;
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editorBeatmap.SelectedHitObjects.Clear();
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foreach (var splitPoint in controlPointsToSplitAt)
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{
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if (splitPoint == controlPoints[0] || splitPoint == controlPoints[^1] || splitPoint.Type == null)
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continue;
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// Split off the section of slider before this control point so the remaining control points to split are in the latter part of the slider.
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int index = controlPoints.IndexOf(splitPoint);
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if (index <= 0)
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continue;
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// Extract the split portion and remove from the original slider.
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var splitControlPoints = controlPoints.Take(index + 1).ToList();
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controlPoints.RemoveRange(0, index);
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var newSlider = new Slider
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{
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StartTime = HitObject.StartTime,
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Position = HitObject.Position + splitControlPoints[0].Position,
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NewCombo = HitObject.NewCombo,
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Samples = HitObject.Samples.Select(s => s.With()).ToList(),
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RepeatCount = HitObject.RepeatCount,
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NodeSamples = HitObject.NodeSamples.Select(n => (IList<HitSampleInfo>)n.Select(s => s.With()).ToList()).ToList(),
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Path = new SliderPath(splitControlPoints.Select(o => new PathControlPoint(o.Position - splitControlPoints[0].Position, o == splitControlPoints[^1] ? null : o.Type)).ToArray())
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};
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// Increase the start time of the slider before adding the new slider so the new slider is immediately inserted at the correct index and internal state remains valid.
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HitObject.StartTime += split_gap;
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editorBeatmap.Add(newSlider);
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HitObject.NewCombo = false;
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HitObject.Path.ExpectedDistance.Value -= newSlider.Path.CalculatedDistance;
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HitObject.StartTime += newSlider.SpanDuration;
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// In case the remainder of the slider has no length left over, give it length anyways so we don't get a 0 length slider.
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if (HitObject.Path.ExpectedDistance.Value <= Precision.DOUBLE_EPSILON)
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{
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HitObject.Path.ExpectedDistance.Value = null;
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}
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}
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// Once all required pieces have been split off, the original slider has the final split.
|
|
// As a final step, we must reset its control points to have an origin of (0,0).
|
|
Vector2 first = controlPoints[0].Position;
|
|
foreach (var c in controlPoints)
|
|
c.Position -= first;
|
|
HitObject.Position += first;
|
|
}
|
|
|
|
private void convertToStream()
|
|
{
|
|
if (editorBeatmap == null || beatDivisor == null)
|
|
return;
|
|
|
|
var timingPoint = editorBeatmap.ControlPointInfo.TimingPointAt(HitObject.StartTime);
|
|
double streamSpacing = timingPoint.BeatLength / beatDivisor.Value;
|
|
|
|
changeHandler?.BeginChange();
|
|
|
|
int i = 0;
|
|
double time = HitObject.StartTime;
|
|
|
|
while (!Precision.DefinitelyBigger(time, HitObject.GetEndTime(), 1))
|
|
{
|
|
// positionWithRepeats is a fractional number in the range of [0, HitObject.SpanCount()]
|
|
// and indicates how many fractional spans of a slider have passed up to time.
|
|
double positionWithRepeats = (time - HitObject.StartTime) / HitObject.Duration * HitObject.SpanCount();
|
|
double pathPosition = positionWithRepeats - (int)positionWithRepeats;
|
|
// every second span is in the reverse direction - need to reverse the path position.
|
|
if (positionWithRepeats % 2 >= 1)
|
|
pathPosition = 1 - pathPosition;
|
|
|
|
Vector2 position = HitObject.Position + HitObject.Path.PositionAt(pathPosition);
|
|
|
|
editorBeatmap.Add(new HitCircle
|
|
{
|
|
StartTime = time,
|
|
Position = position,
|
|
NewCombo = i == 0 && HitObject.NewCombo,
|
|
Samples = HitObject.HeadCircle.Samples.Select(s => s.With()).ToList()
|
|
});
|
|
|
|
i += 1;
|
|
time = HitObject.StartTime + i * streamSpacing;
|
|
}
|
|
|
|
editorBeatmap.Remove(HitObject);
|
|
|
|
changeHandler?.EndChange();
|
|
}
|
|
|
|
public override MenuItem[] ContextMenuItems => new MenuItem[]
|
|
{
|
|
new OsuMenuItem("Add control point", MenuItemType.Standard, () =>
|
|
{
|
|
changeHandler?.BeginChange();
|
|
addControlPoint(lastRightClickPosition);
|
|
changeHandler?.EndChange();
|
|
}),
|
|
new OsuMenuItem("Convert to stream", MenuItemType.Destructive, convertToStream),
|
|
};
|
|
|
|
// Always refer to the drawable object's slider body so subsequent movement deltas are calculated with updated positions.
|
|
public override Vector2 ScreenSpaceSelectionPoint => DrawableObject.SliderBody?.ToScreenSpace(DrawableObject.SliderBody.PathOffset)
|
|
?? BodyPiece.ToScreenSpace(BodyPiece.PathStartLocation);
|
|
|
|
protected override Vector2[] ScreenSpaceAdditionalNodes => new[]
|
|
{
|
|
DrawableObject.SliderBody?.ToScreenSpace(DrawableObject.SliderBody.PathEndOffset) ?? BodyPiece.ToScreenSpace(BodyPiece.PathEndLocation)
|
|
};
|
|
|
|
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos)
|
|
{
|
|
if (BodyPiece.ReceivePositionalInputAt(screenSpacePos))
|
|
return true;
|
|
|
|
if (ControlPointVisualiser == null)
|
|
return false;
|
|
|
|
foreach (var p in ControlPointVisualiser.Pieces)
|
|
{
|
|
if (p.ReceivePositionalInputAt(screenSpacePos))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
protected virtual SliderCircleOverlay CreateCircleOverlay(Slider slider, SliderPosition position) => new SliderCircleOverlay(slider, position);
|
|
}
|
|
}
|