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Move common functionality out of OsuSelectionHandler and implement flip support

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This commit is contained in:
Dean Herbert 2021-05-18 18:34:06 +09:00
parent c80e736712
commit d661e98fa6
3 changed files with 74 additions and 56 deletions
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68
osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
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@ -12,12 +12,23 @@ using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Screens.Edit.Compose.Components;
using osuTK;
using Vector2 = osuTK.Vector2;
namespace osu.Game.Rulesets.Osu.Edit
{
public class OsuSelectionHandler : EditorSelectionHandler
{
/// <summary>
/// During a transform, the initial origin is stored so it can be used throughout the operation.
/// </summary>
private Vector2? referenceOrigin;
/// <summary>
/// During a transform, the initial path types of a single selected slider are stored so they
/// can be maintained throughout the operation.
/// </summary>
private List<PathType?> referencePathTypes;
protected override void OnSelectionChanged()
{
base.OnSelectionChanged();
@ -50,17 +61,6 @@ namespace osu.Game.Rulesets.Osu.Edit
return true;
}
/// <summary>
/// During a transform, the initial origin is stored so it can be used throughout the operation.
/// </summary>
private Vector2? referenceOrigin;
/// <summary>
/// During a transform, the initial path types of a single selected slider are stored so they
/// can be maintained throughout the operation.
/// </summary>
private List<PathType?> referencePathTypes;
public override bool HandleReverse()
{
var hitObjects = EditorBeatmap.SelectedHitObjects;
@ -114,24 +114,10 @@ namespace osu.Game.Rulesets.Osu.Edit
var hitObjects = selectedMovableObjects;
var selectedObjectsQuad = getSurroundingQuad(hitObjects);
var centre = selectedObjectsQuad.Centre;
foreach (var h in hitObjects)
{
var pos = h.Position;
switch (direction)
{
case Direction.Horizontal:
pos.X = centre.X - (pos.X - centre.X);
break;
case Direction.Vertical:
pos.Y = centre.Y - (pos.Y - centre.Y);
break;
}
h.Position = pos;
h.Position = GetFlippedPosition(direction, selectedObjectsQuad, h.Position);
if (h is Slider slider)
{
@ -204,7 +190,7 @@ namespace osu.Game.Rulesets.Osu.Edit
{
referencePathTypes ??= slider.Path.ControlPoints.Select(p => p.Type.Value).ToList();
Quad sliderQuad = getSurroundingQuad(slider.Path.ControlPoints.Select(p => p.Position.Value));
Quad sliderQuad = GetSurroundingQuad(slider.Path.ControlPoints.Select(p => p.Position.Value));
// Limit minimum distance between control points after scaling to almost 0. Less than 0 causes the slider to flip, exactly 0 causes a crash through division by 0.
scale = Vector2.ComponentMax(new Vector2(Precision.FLOAT_EPSILON), sliderQuad.Size + scale) - sliderQuad.Size;
@ -333,7 +319,7 @@ namespace osu.Game.Rulesets.Osu.Edit
/// </summary>
/// <param name="hitObjects">The hit objects to calculate a quad for.</param>
private Quad getSurroundingQuad(OsuHitObject[] hitObjects) =>
getSurroundingQuad(hitObjects.SelectMany(h =>
GetSurroundingQuad(hitObjects.SelectMany(h =>
{
if (h is IHasPath path)
{
@ -348,30 +334,6 @@ namespace osu.Game.Rulesets.Osu.Edit
return new[] { h.Position };
}));
/// <summary>
/// Returns a gamefield-space quad surrounding the provided points.
/// </summary>
/// <param name="points">The points to calculate a quad for.</param>
private Quad getSurroundingQuad(IEnumerable<Vector2> points)
{
if (!EditorBeatmap.SelectedHitObjects.Any())
return new Quad();
Vector2 minPosition = new Vector2(float.MaxValue, float.MaxValue);
Vector2 maxPosition = new Vector2(float.MinValue, float.MinValue);
// Go through all hitobjects to make sure they would remain in the bounds of the editor after movement, before any movement is attempted
foreach (var p in points)
{
minPosition = Vector2.ComponentMin(minPosition, p);
maxPosition = Vector2.ComponentMax(maxPosition, p);
}
Vector2 size = maxPosition - minPosition;
return new Quad(minPosition.X, minPosition.Y, size.X, size.Y);
}
/// <summary>
/// All osu! hitobjects which can be moved/rotated/scaled.
/// </summary>

50
osu.Game/Screens/Edit/Compose/Components/SelectionHandler.cs
View File

@ -350,5 +350,55 @@ namespace osu.Game.Screens.Edit.Compose.Components
=> Enumerable.Empty<MenuItem>();
#endregion
#region Helper Methods
/// <summary>
/// Given a flip direction, a surrounding quad for all selected objects, and a position,
/// will return the flipped position in screen space coordinates.
/// </summary>
protected static Vector2 GetFlippedPosition(Direction direction, Quad quad, Vector2 position)
{
var centre = quad.Centre;
switch (direction)
{
case Direction.Horizontal:
position.X = centre.X - (position.X - centre.X);
break;
case Direction.Vertical:
position.Y = centre.Y - (position.Y - centre.Y);
break;
}
return position;
}
/// <summary>
/// Returns a quad surrounding the provided points.
/// </summary>
/// <param name="points">The points to calculate a quad for.</param>
protected static Quad GetSurroundingQuad(IEnumerable<Vector2> points)
{
if (!points.Any())
return new Quad();
Vector2 minPosition = new Vector2(float.MaxValue, float.MaxValue);
Vector2 maxPosition = new Vector2(float.MinValue, float.MinValue);
// Go through all hitobjects to make sure they would remain in the bounds of the editor after movement, before any movement is attempted
foreach (var p in points)
{
minPosition = Vector2.ComponentMin(minPosition, p);
maxPosition = Vector2.ComponentMax(maxPosition, p);
}
Vector2 size = maxPosition - minPosition;
return new Quad(minPosition.X, minPosition.Y, size.X, size.Y);
}
#endregion
}
}

12
osu.Game/Skinning/Editor/SkinSelectionHandler.cs
View File

@ -43,10 +43,16 @@ namespace osu.Game.Skinning.Editor
public override bool HandleFlip(Direction direction)
{
// TODO: this is temporary as well.
foreach (var c in SelectedBlueprints)
var selectionQuad = GetSurroundingQuad(SelectedBlueprints.Select(b => b.ScreenSpaceSelectionPoint));
foreach (var b in SelectedBlueprints)
{
((Drawable)c.Item).Scale *= new Vector2(
var drawableItem = (Drawable)b.Item;
drawableItem.Position =
drawableItem.Parent.ToLocalSpace(GetFlippedPosition(direction, selectionQuad, b.ScreenSpaceSelectionPoint)) - drawableItem.AnchorPosition;
drawableItem.Scale *= new Vector2(
direction == Direction.Horizontal ? -1 : 1,
direction == Direction.Vertical ? -1 : 1
);