mirror of
https://github.com/ppy/osu.git
synced 2024-11-18 18:52:56 +08:00
367 lines
14 KiB
C#
367 lines
14 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
|
// See the LICENCE file in the repository root for full licence text.
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Collections.Specialized;
|
|
using System.Diagnostics;
|
|
using System.Linq;
|
|
using Humanizer;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.Graphics.Containers;
|
|
using osu.Framework.Graphics.Cursor;
|
|
using osu.Framework.Graphics.UserInterface;
|
|
using osu.Framework.Input;
|
|
using osu.Framework.Input.Bindings;
|
|
using osu.Framework.Input.Events;
|
|
using osu.Game.Graphics.UserInterface;
|
|
using osu.Game.Rulesets.Edit;
|
|
using osu.Game.Rulesets.Objects;
|
|
using osu.Game.Rulesets.Objects.Types;
|
|
using osu.Game.Rulesets.Osu.Objects;
|
|
using osu.Game.Screens.Edit;
|
|
using osuTK;
|
|
using osuTK.Input;
|
|
|
|
namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
|
|
{
|
|
public class PathControlPointVisualiser : CompositeDrawable, IKeyBindingHandler<PlatformAction>, IHasContextMenu
|
|
{
|
|
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true; // allow context menu to appear outside of the playfield.
|
|
|
|
internal readonly Container<PathControlPointPiece> Pieces;
|
|
internal readonly Container<PathControlPointConnectionPiece> Connections;
|
|
|
|
private readonly IBindableList<PathControlPoint> controlPoints = new BindableList<PathControlPoint>();
|
|
private readonly Slider slider;
|
|
private readonly bool allowSelection;
|
|
|
|
private InputManager inputManager;
|
|
|
|
public Action<List<PathControlPoint>> RemoveControlPointsRequested;
|
|
|
|
[Resolved(CanBeNull = true)]
|
|
private IDistanceSnapProvider snapProvider { get; set; }
|
|
|
|
public PathControlPointVisualiser(Slider slider, bool allowSelection)
|
|
{
|
|
this.slider = slider;
|
|
this.allowSelection = allowSelection;
|
|
|
|
RelativeSizeAxes = Axes.Both;
|
|
|
|
InternalChildren = new Drawable[]
|
|
{
|
|
Connections = new Container<PathControlPointConnectionPiece> { RelativeSizeAxes = Axes.Both },
|
|
Pieces = new Container<PathControlPointPiece> { RelativeSizeAxes = Axes.Both }
|
|
};
|
|
}
|
|
|
|
protected override void LoadComplete()
|
|
{
|
|
base.LoadComplete();
|
|
|
|
inputManager = GetContainingInputManager();
|
|
|
|
controlPoints.CollectionChanged += onControlPointsChanged;
|
|
controlPoints.BindTo(slider.Path.ControlPoints);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Selects the <see cref="PathControlPointPiece"/> corresponding to the given <paramref name="pathControlPoint"/>,
|
|
/// and deselects all other <see cref="PathControlPointPiece"/>s.
|
|
/// </summary>
|
|
public void SetSelectionTo(PathControlPoint pathControlPoint)
|
|
{
|
|
foreach (var p in Pieces)
|
|
p.IsSelected.Value = p.ControlPoint == pathControlPoint;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Delete all visually selected <see cref="PathControlPoint"/>s.
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public bool DeleteSelected()
|
|
{
|
|
List<PathControlPoint> toRemove = Pieces.Where(p => p.IsSelected.Value).Select(p => p.ControlPoint).ToList();
|
|
|
|
// Ensure that there are any points to be deleted
|
|
if (toRemove.Count == 0)
|
|
return false;
|
|
|
|
changeHandler?.BeginChange();
|
|
RemoveControlPointsRequested?.Invoke(toRemove);
|
|
changeHandler?.EndChange();
|
|
|
|
// Since pieces are re-used, they will not point to the deleted control points while remaining selected
|
|
foreach (var piece in Pieces)
|
|
piece.IsSelected.Value = false;
|
|
|
|
return true;
|
|
}
|
|
|
|
private void onControlPointsChanged(object sender, NotifyCollectionChangedEventArgs e)
|
|
{
|
|
switch (e.Action)
|
|
{
|
|
case NotifyCollectionChangedAction.Add:
|
|
// If inserting in the path (not appending),
|
|
// update indices of existing connections after insert location
|
|
if (e.NewStartingIndex < Pieces.Count)
|
|
{
|
|
foreach (var connection in Connections)
|
|
{
|
|
if (connection.ControlPointIndex >= e.NewStartingIndex)
|
|
connection.ControlPointIndex += e.NewItems.Count;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < e.NewItems.Count; i++)
|
|
{
|
|
var point = (PathControlPoint)e.NewItems[i];
|
|
|
|
Pieces.Add(new PathControlPointPiece(slider, point).With(d =>
|
|
{
|
|
if (allowSelection)
|
|
d.RequestSelection = selectionRequested;
|
|
|
|
d.DragStarted = dragStarted;
|
|
d.DragInProgress = dragInProgress;
|
|
d.DragEnded = dragEnded;
|
|
}));
|
|
|
|
Connections.Add(new PathControlPointConnectionPiece(slider, e.NewStartingIndex + i));
|
|
}
|
|
|
|
break;
|
|
|
|
case NotifyCollectionChangedAction.Remove:
|
|
foreach (var point in e.OldItems.Cast<PathControlPoint>())
|
|
{
|
|
Pieces.RemoveAll(p => p.ControlPoint == point);
|
|
Connections.RemoveAll(c => c.ControlPoint == point);
|
|
}
|
|
|
|
// If removing before the end of the path,
|
|
// update indices of connections after remove location
|
|
if (e.OldStartingIndex < Pieces.Count)
|
|
{
|
|
foreach (var connection in Connections)
|
|
{
|
|
if (connection.ControlPointIndex >= e.OldStartingIndex)
|
|
connection.ControlPointIndex -= e.OldItems.Count;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
protected override bool OnClick(ClickEvent e)
|
|
{
|
|
if (Pieces.Any(piece => piece.IsHovered))
|
|
return false;
|
|
|
|
foreach (var piece in Pieces)
|
|
{
|
|
piece.IsSelected.Value = false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public bool OnPressed(KeyBindingPressEvent<PlatformAction> e)
|
|
{
|
|
switch (e.Action)
|
|
{
|
|
case PlatformAction.Delete:
|
|
return DeleteSelected();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public void OnReleased(KeyBindingReleaseEvent<PlatformAction> e)
|
|
{
|
|
}
|
|
|
|
private void selectionRequested(PathControlPointPiece piece, MouseButtonEvent e)
|
|
{
|
|
if (e.Button == MouseButton.Left && inputManager.CurrentState.Keyboard.ControlPressed)
|
|
piece.IsSelected.Toggle();
|
|
else
|
|
SetSelectionTo(piece.ControlPoint);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Attempts to set the given control point piece to the given path type.
|
|
/// If that would fail, try to change the path such that it instead succeeds
|
|
/// in a UX-friendly way.
|
|
/// </summary>
|
|
/// <param name="piece">The control point piece that we want to change the path type of.</param>
|
|
/// <param name="type">The path type we want to assign to the given control point piece.</param>
|
|
private void updatePathType(PathControlPointPiece piece, PathType? type)
|
|
{
|
|
int indexInSegment = piece.PointsInSegment.IndexOf(piece.ControlPoint);
|
|
|
|
switch (type)
|
|
{
|
|
case PathType.PerfectCurve:
|
|
// Can't always create a circular arc out of 4 or more points,
|
|
// so we split the segment into one 3-point circular arc segment
|
|
// and one segment of the previous type.
|
|
int thirdPointIndex = indexInSegment + 2;
|
|
|
|
if (piece.PointsInSegment.Count > thirdPointIndex + 1)
|
|
piece.PointsInSegment[thirdPointIndex].Type = piece.PointsInSegment[0].Type;
|
|
|
|
break;
|
|
}
|
|
|
|
piece.ControlPoint.Type = type;
|
|
}
|
|
|
|
[Resolved(CanBeNull = true)]
|
|
private IEditorChangeHandler changeHandler { get; set; }
|
|
|
|
#region Drag handling
|
|
|
|
private Vector2[] dragStartPositions;
|
|
private PathType?[] dragPathTypes;
|
|
private int draggedControlPointIndex;
|
|
private HashSet<PathControlPoint> selectedControlPoints;
|
|
|
|
private void dragStarted(PathControlPoint controlPoint)
|
|
{
|
|
dragStartPositions = slider.Path.ControlPoints.Select(point => point.Position).ToArray();
|
|
dragPathTypes = slider.Path.ControlPoints.Select(point => point.Type).ToArray();
|
|
draggedControlPointIndex = slider.Path.ControlPoints.IndexOf(controlPoint);
|
|
selectedControlPoints = new HashSet<PathControlPoint>(Pieces.Where(piece => piece.IsSelected.Value).Select(piece => piece.ControlPoint));
|
|
|
|
Debug.Assert(draggedControlPointIndex >= 0);
|
|
|
|
changeHandler?.BeginChange();
|
|
}
|
|
|
|
private void dragInProgress(DragEvent e)
|
|
{
|
|
Vector2[] oldControlPoints = slider.Path.ControlPoints.Select(cp => cp.Position).ToArray();
|
|
var oldPosition = slider.Position;
|
|
double oldStartTime = slider.StartTime;
|
|
|
|
if (selectedControlPoints.Contains(slider.Path.ControlPoints[0]))
|
|
{
|
|
// Special handling for selections containing head control point - the position of the slider changes which means the snapped position and time have to be taken into account
|
|
Vector2 newHeadPosition = Parent.ToScreenSpace(e.MousePosition + (dragStartPositions[0] - dragStartPositions[draggedControlPointIndex]));
|
|
var result = snapProvider?.SnapScreenSpacePositionToValidTime(newHeadPosition);
|
|
|
|
Vector2 movementDelta = Parent.ToLocalSpace(result?.ScreenSpacePosition ?? newHeadPosition) - slider.Position;
|
|
|
|
slider.Position += movementDelta;
|
|
slider.StartTime = result?.Time ?? slider.StartTime;
|
|
|
|
for (int i = 1; i < slider.Path.ControlPoints.Count; i++)
|
|
{
|
|
var controlPoint = slider.Path.ControlPoints[i];
|
|
// Since control points are relative to the position of the slider, all points that are _not_ selected
|
|
// need to be offset _back_ by the delta corresponding to the movement of the head point.
|
|
// All other selected control points (if any) will move together with the head point
|
|
// (and so they will not move at all, relative to each other).
|
|
if (!selectedControlPoints.Contains(controlPoint))
|
|
controlPoint.Position -= movementDelta;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (int i = 0; i < controlPoints.Count; ++i)
|
|
{
|
|
var controlPoint = controlPoints[i];
|
|
if (selectedControlPoints.Contains(controlPoint))
|
|
controlPoint.Position = dragStartPositions[i] + (e.MousePosition - e.MouseDownPosition);
|
|
}
|
|
}
|
|
|
|
// Snap the path to the current beat divisor before checking length validity.
|
|
slider.SnapTo(snapProvider);
|
|
|
|
if (!slider.Path.HasValidLength)
|
|
{
|
|
for (int i = 0; i < slider.Path.ControlPoints.Count; i++)
|
|
slider.Path.ControlPoints[i].Position = oldControlPoints[i];
|
|
|
|
slider.Position = oldPosition;
|
|
slider.StartTime = oldStartTime;
|
|
// Snap the path length again to undo the invalid length.
|
|
slider.SnapTo(snapProvider);
|
|
return;
|
|
}
|
|
|
|
// Maintain the path types in case they got defaulted to bezier at some point during the drag.
|
|
for (int i = 0; i < slider.Path.ControlPoints.Count; i++)
|
|
slider.Path.ControlPoints[i].Type = dragPathTypes[i];
|
|
}
|
|
|
|
private void dragEnded() => changeHandler?.EndChange();
|
|
|
|
#endregion
|
|
|
|
public MenuItem[] ContextMenuItems
|
|
{
|
|
get
|
|
{
|
|
if (!Pieces.Any(p => p.IsHovered))
|
|
return null;
|
|
|
|
var selectedPieces = Pieces.Where(p => p.IsSelected.Value).ToList();
|
|
int count = selectedPieces.Count;
|
|
|
|
if (count == 0)
|
|
return null;
|
|
|
|
List<MenuItem> items = new List<MenuItem>();
|
|
|
|
if (!selectedPieces.Contains(Pieces[0]))
|
|
items.Add(createMenuItemForPathType(null));
|
|
|
|
// todo: hide/disable items which aren't valid for selected points
|
|
items.Add(createMenuItemForPathType(PathType.Linear));
|
|
items.Add(createMenuItemForPathType(PathType.PerfectCurve));
|
|
items.Add(createMenuItemForPathType(PathType.Bezier));
|
|
items.Add(createMenuItemForPathType(PathType.Catmull));
|
|
|
|
return new MenuItem[]
|
|
{
|
|
new OsuMenuItem($"Delete {"control point".ToQuantity(count, count > 1 ? ShowQuantityAs.Numeric : ShowQuantityAs.None)}", MenuItemType.Destructive, () => DeleteSelected()),
|
|
new OsuMenuItem("Curve type")
|
|
{
|
|
Items = items
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
private MenuItem createMenuItemForPathType(PathType? type)
|
|
{
|
|
int totalCount = Pieces.Count(p => p.IsSelected.Value);
|
|
int countOfState = Pieces.Where(p => p.IsSelected.Value).Count(p => p.ControlPoint.Type == type);
|
|
|
|
var item = new TernaryStateRadioMenuItem(type == null ? "Inherit" : type.ToString().Humanize(), MenuItemType.Standard, _ =>
|
|
{
|
|
foreach (var p in Pieces.Where(p => p.IsSelected.Value))
|
|
updatePathType(p, type);
|
|
});
|
|
|
|
if (countOfState == totalCount)
|
|
item.State.Value = TernaryState.True;
|
|
else if (countOfState > 0)
|
|
item.State.Value = TernaryState.Indeterminate;
|
|
else
|
|
item.State.Value = TernaryState.False;
|
|
|
|
return item;
|
|
}
|
|
}
|
|
}
|