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Add reverse implementation for osu!

This commit is contained in:
Dean Herbert 2020-10-09 06:32:33 +09:00
parent 825e10ec8c
commit 2a790c76d5
1 changed files with 50 additions and 0 deletions
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50
osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
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@ -7,6 +7,7 @@
using osu.Framework.Graphics;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Utils;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Screens.Edit.Compose.Components;
@ -25,6 +26,7 @@ protected override void OnSelectionChanged()
SelectionBox.CanRotate = canOperate;
SelectionBox.CanScaleX = canOperate;
SelectionBox.CanScaleY = canOperate;
SelectionBox.CanReverse = canOperate;
}
protected override void OnOperationEnded()
@ -41,6 +43,54 @@ public override bool HandleMovement(MoveSelectionEvent moveEvent) =>
/// </summary>
private Vector2? referenceOrigin;
public override bool HandleReverse()
{
var hitObjects = selectedMovableObjects;
double endTime = hitObjects.Max(h => h.GetEndTime());
double startTime = hitObjects.Min(h => h.StartTime);
bool moreThanOneObject = hitObjects.Length > 1;
foreach (var h in hitObjects)
{
if (moreThanOneObject)
h.StartTime = endTime - (h.GetEndTime() - startTime);
if (h is Slider slider)
{
var points = slider.Path.ControlPoints.ToArray();
Vector2 endPos = points.Last().Position.Value;
slider.Path.ControlPoints.Clear();
slider.Position += endPos;
PathType? lastType = null;
for (var i = 0; i < points.Length; i++)
{
var p = points[i];
p.Position.Value -= endPos;
// propagate types forwards to last null type
if (i == points.Length - 1)
p.Type.Value = lastType;
else if (p.Type.Value != null)
{
var newType = p.Type.Value;
p.Type.Value = lastType;
lastType = newType;
}
slider.Path.ControlPoints.Insert(0, p);
}
}
}
return true;
}
public override bool HandleFlip(Direction direction)
{
var hitObjects = selectedMovableObjects;