mirror of
https://github.com/ppy/osu.git
synced 2024-09-22 06:47:24 +08:00
246 lines
11 KiB
C#
246 lines
11 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.Diagnostics;
|
|
using System.Linq;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.Graphics.Primitives;
|
|
using osu.Framework.Utils;
|
|
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.Rulesets.Osu.UI;
|
|
using osu.Game.Screens.Edit;
|
|
using osu.Game.Screens.Edit.Compose.Components;
|
|
using osu.Game.Utils;
|
|
using osuTK;
|
|
|
|
namespace osu.Game.Rulesets.Osu.Edit
|
|
{
|
|
public partial class OsuSelectionScaleHandler : SelectionScaleHandler
|
|
{
|
|
/// <summary>
|
|
/// Whether scaling anchored by the center of the playfield can currently be performed.
|
|
/// </summary>
|
|
public Bindable<bool> CanScaleFromPlayfieldOrigin { get; private set; } = new BindableBool();
|
|
|
|
/// <summary>
|
|
/// Whether a single slider is currently selected, which results in a different scaling behaviour.
|
|
/// </summary>
|
|
public Bindable<bool> IsScalingSlider { get; private set; } = new BindableBool();
|
|
|
|
[Resolved]
|
|
private IEditorChangeHandler? changeHandler { get; set; }
|
|
|
|
[Resolved(CanBeNull = true)]
|
|
private IDistanceSnapProvider? snapProvider { get; set; }
|
|
|
|
private BindableList<HitObject> selectedItems { get; } = new BindableList<HitObject>();
|
|
|
|
[BackgroundDependencyLoader]
|
|
private void load(EditorBeatmap editorBeatmap)
|
|
{
|
|
selectedItems.BindTo(editorBeatmap.SelectedHitObjects);
|
|
}
|
|
|
|
protected override void LoadComplete()
|
|
{
|
|
base.LoadComplete();
|
|
|
|
selectedItems.CollectionChanged += (_, __) => updateState();
|
|
updateState();
|
|
}
|
|
|
|
private void updateState()
|
|
{
|
|
var quad = GeometryUtils.GetSurroundingQuad(selectedMovableObjects);
|
|
|
|
CanScaleX.Value = quad.Width > 0;
|
|
CanScaleY.Value = quad.Height > 0;
|
|
CanScaleDiagonally.Value = CanScaleX.Value && CanScaleY.Value;
|
|
CanScaleFromPlayfieldOrigin.Value = selectedMovableObjects.Any();
|
|
IsScalingSlider.Value = selectedMovableObjects.Count() == 1 && selectedMovableObjects.First() is Slider;
|
|
}
|
|
|
|
private Dictionary<OsuHitObject, OriginalHitObjectState>? objectsInScale;
|
|
private Vector2? defaultOrigin;
|
|
|
|
public override void Begin()
|
|
{
|
|
if (OperationInProgress.Value)
|
|
throw new InvalidOperationException($"Cannot {nameof(Begin)} a scale operation while another is in progress!");
|
|
|
|
base.Begin();
|
|
|
|
changeHandler?.BeginChange();
|
|
|
|
objectsInScale = selectedMovableObjects.ToDictionary(ho => ho, ho => new OriginalHitObjectState(ho));
|
|
OriginalSurroundingQuad = objectsInScale.Count == 1 && objectsInScale.First().Key is Slider slider
|
|
? GeometryUtils.GetSurroundingQuad(slider.Path.ControlPoints.Select(p => slider.Position + p.Position))
|
|
: GeometryUtils.GetSurroundingQuad(objectsInScale.Keys);
|
|
defaultOrigin = OriginalSurroundingQuad.Value.Centre;
|
|
}
|
|
|
|
public override void Update(Vector2 scale, Vector2? origin = null, Axes adjustAxis = Axes.Both)
|
|
{
|
|
if (!OperationInProgress.Value)
|
|
throw new InvalidOperationException($"Cannot {nameof(Update)} a scale operation without calling {nameof(Begin)} first!");
|
|
|
|
Debug.Assert(objectsInScale != null && defaultOrigin != null && OriginalSurroundingQuad != null);
|
|
|
|
Vector2 actualOrigin = origin ?? defaultOrigin.Value;
|
|
|
|
// for the time being, allow resizing of slider paths only if the slider is
|
|
// the only hit object selected. with a group selection, it's likely the user
|
|
// is not looking to change the duration of the slider but expand the whole pattern.
|
|
if (objectsInScale.Count == 1 && objectsInScale.First().Key is Slider slider)
|
|
{
|
|
var originalInfo = objectsInScale[slider];
|
|
Debug.Assert(originalInfo.PathControlPointPositions != null && originalInfo.PathControlPointTypes != null);
|
|
scaleSlider(slider, scale, originalInfo.PathControlPointPositions, originalInfo.PathControlPointTypes);
|
|
}
|
|
else
|
|
{
|
|
scale = ClampScaleToPlayfieldBounds(scale, actualOrigin);
|
|
|
|
foreach (var (ho, originalState) in objectsInScale)
|
|
{
|
|
ho.Position = GeometryUtils.GetScaledPosition(scale, actualOrigin, originalState.Position);
|
|
}
|
|
}
|
|
|
|
moveSelectionInBounds();
|
|
}
|
|
|
|
public override void Commit()
|
|
{
|
|
if (!OperationInProgress.Value)
|
|
throw new InvalidOperationException($"Cannot {nameof(Commit)} a rotate operation without calling {nameof(Begin)} first!");
|
|
|
|
changeHandler?.EndChange();
|
|
|
|
base.Commit();
|
|
|
|
objectsInScale = null;
|
|
OriginalSurroundingQuad = null;
|
|
defaultOrigin = null;
|
|
}
|
|
|
|
private IEnumerable<OsuHitObject> selectedMovableObjects => selectedItems.Cast<OsuHitObject>()
|
|
.Where(h => h is not Spinner);
|
|
|
|
private void scaleSlider(Slider slider, Vector2 scale, Vector2[] originalPathPositions, PathType?[] originalPathTypes)
|
|
{
|
|
scale = Vector2.ComponentMax(scale, new Vector2(Precision.FLOAT_EPSILON));
|
|
|
|
// Maintain the path types in case they were defaulted to bezier at some point during scaling
|
|
for (int i = 0; i < slider.Path.ControlPoints.Count; i++)
|
|
{
|
|
slider.Path.ControlPoints[i].Position = originalPathPositions[i] * scale;
|
|
slider.Path.ControlPoints[i].Type = originalPathTypes[i];
|
|
}
|
|
|
|
// Snap the slider's length to the current beat divisor
|
|
// to calculate the final resulting duration / bounding box before the final checks.
|
|
slider.SnapTo(snapProvider);
|
|
|
|
//if sliderhead or sliderend end up outside playfield, revert scaling.
|
|
Quad scaledQuad = GeometryUtils.GetSurroundingQuad(new OsuHitObject[] { slider });
|
|
(bool xInBounds, bool yInBounds) = isQuadInBounds(scaledQuad);
|
|
|
|
if (xInBounds && yInBounds && slider.Path.HasValidLength)
|
|
return;
|
|
|
|
for (int i = 0; i < slider.Path.ControlPoints.Count; i++)
|
|
slider.Path.ControlPoints[i].Position = originalPathPositions[i];
|
|
|
|
// Snap the slider's length again to undo the potentially-invalid length applied by the previous snap.
|
|
slider.SnapTo(snapProvider);
|
|
}
|
|
|
|
private (bool X, bool Y) isQuadInBounds(Quad quad)
|
|
{
|
|
bool xInBounds = (quad.TopLeft.X >= 0) && (quad.BottomRight.X <= OsuPlayfield.BASE_SIZE.X);
|
|
bool yInBounds = (quad.TopLeft.Y >= 0) && (quad.BottomRight.Y <= OsuPlayfield.BASE_SIZE.Y);
|
|
|
|
return (xInBounds, yInBounds);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Clamp scale for multi-object-scaling where selection does not exceed playfield bounds or flip.
|
|
/// </summary>
|
|
/// <param name="origin">The origin from which the scale operation is performed</param>
|
|
/// <param name="scale">The scale to be clamped</param>
|
|
/// <returns>The clamped scale vector</returns>
|
|
public Vector2 ClampScaleToPlayfieldBounds(Vector2 scale, Vector2? origin = null)
|
|
{
|
|
//todo: this is not always correct for selections involving sliders. This approximation assumes each point is scaled independently, but sliderends move with the sliderhead.
|
|
if (objectsInScale == null)
|
|
return scale;
|
|
|
|
Debug.Assert(defaultOrigin != null && OriginalSurroundingQuad != null);
|
|
|
|
if (objectsInScale.Count == 1 && objectsInScale.First().Key is Slider slider)
|
|
origin = slider.Position;
|
|
|
|
Vector2 actualOrigin = origin ?? defaultOrigin.Value;
|
|
var selectionQuad = OriginalSurroundingQuad.Value;
|
|
|
|
var tl1 = Vector2.Divide(-actualOrigin, selectionQuad.TopLeft - actualOrigin);
|
|
var tl2 = Vector2.Divide(OsuPlayfield.BASE_SIZE - actualOrigin, selectionQuad.TopLeft - actualOrigin);
|
|
var br1 = Vector2.Divide(-actualOrigin, selectionQuad.BottomRight - actualOrigin);
|
|
var br2 = Vector2.Divide(OsuPlayfield.BASE_SIZE - actualOrigin, selectionQuad.BottomRight - actualOrigin);
|
|
|
|
if (!Precision.AlmostEquals(selectionQuad.TopLeft.X - actualOrigin.X, 0))
|
|
scale.X = selectionQuad.TopLeft.X - actualOrigin.X < 0 ? MathHelper.Clamp(scale.X, tl2.X, tl1.X) : MathHelper.Clamp(scale.X, tl1.X, tl2.X);
|
|
if (!Precision.AlmostEquals(selectionQuad.TopLeft.Y - actualOrigin.Y, 0))
|
|
scale.Y = selectionQuad.TopLeft.Y - actualOrigin.Y < 0 ? MathHelper.Clamp(scale.Y, tl2.Y, tl1.Y) : MathHelper.Clamp(scale.Y, tl1.Y, tl2.Y);
|
|
if (!Precision.AlmostEquals(selectionQuad.BottomRight.X - actualOrigin.X, 0))
|
|
scale.X = selectionQuad.BottomRight.X - actualOrigin.X < 0 ? MathHelper.Clamp(scale.X, br2.X, br1.X) : MathHelper.Clamp(scale.X, br1.X, br2.X);
|
|
if (!Precision.AlmostEquals(selectionQuad.BottomRight.Y - actualOrigin.Y, 0))
|
|
scale.Y = selectionQuad.BottomRight.Y - actualOrigin.Y < 0 ? MathHelper.Clamp(scale.Y, br2.Y, br1.Y) : MathHelper.Clamp(scale.Y, br1.Y, br2.Y);
|
|
|
|
return Vector2.ComponentMax(scale, new Vector2(Precision.FLOAT_EPSILON));
|
|
}
|
|
|
|
private void moveSelectionInBounds()
|
|
{
|
|
Quad quad = GeometryUtils.GetSurroundingQuad(objectsInScale!.Keys);
|
|
|
|
Vector2 delta = Vector2.Zero;
|
|
|
|
if (quad.TopLeft.X < 0)
|
|
delta.X -= quad.TopLeft.X;
|
|
if (quad.TopLeft.Y < 0)
|
|
delta.Y -= quad.TopLeft.Y;
|
|
|
|
if (quad.BottomRight.X > OsuPlayfield.BASE_SIZE.X)
|
|
delta.X -= quad.BottomRight.X - OsuPlayfield.BASE_SIZE.X;
|
|
if (quad.BottomRight.Y > OsuPlayfield.BASE_SIZE.Y)
|
|
delta.Y -= quad.BottomRight.Y - OsuPlayfield.BASE_SIZE.Y;
|
|
|
|
foreach (var (h, _) in objectsInScale!)
|
|
h.Position += delta;
|
|
}
|
|
|
|
private struct OriginalHitObjectState
|
|
{
|
|
public Vector2 Position { get; }
|
|
public Vector2[]? PathControlPointPositions { get; }
|
|
public PathType?[]? PathControlPointTypes { get; }
|
|
|
|
public OriginalHitObjectState(OsuHitObject hitObject)
|
|
{
|
|
Position = hitObject.Position;
|
|
PathControlPointPositions = (hitObject as IHasPath)?.Path.ControlPoints.Select(p => p.Position).ToArray();
|
|
PathControlPointTypes = (hitObject as IHasPath)?.Path.ControlPoints.Select(p => p.Type).ToArray();
|
|
}
|
|
}
|
|
}
|
|
}
|