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Code Issues Releases Wiki Activity

Prevent selection from breaking playfield bounds when scaling

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This commit is contained in:
Leon Gebler 2021-02-20 21:50:30 +01:00
parent cc4c5f72d8
commit 0b8009938a
1 changed files with 15 additions and 8 deletions
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23
osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
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@ -135,14 +135,21 @@ namespace osu.Game.Rulesets.Osu.Edit
adjustScaleFromAnchor(ref scale, reference);
var hitObjects = selectedMovableObjects;
Quad selectionQuad = getSurroundingQuad(hitObjects);
float newWidth = selectionQuad.Width + scale.X;
float newHeight = selectionQuad.Height + scale.Y;
if ((newHeight > DrawHeight) || (newWidth > DrawWidth))
return false;
// 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 (hitObjects.Length == 1 && hitObjects.First() is Slider slider)
{
Quad quad = getSurroundingQuad(slider.Path.ControlPoints.Select(p => p.Position.Value));
Vector2 pathRelativeDeltaScale = new Vector2(1 + scale.X / quad.Width, 1 + scale.Y / quad.Height);
Quad sliderQuad = getSurroundingQuad(slider.Path.ControlPoints.Select(p => p.Position.Value));
Vector2 pathRelativeDeltaScale = new Vector2(1 + scale.X / sliderQuad.Width, 1 + scale.Y / sliderQuad.Height);
foreach (var point in slider.Path.ControlPoints)
point.Position.Value *= pathRelativeDeltaScale;
@ -153,23 +160,23 @@ namespace osu.Game.Rulesets.Osu.Edit
if ((reference & Anchor.x0) > 0 && !moveSelection(new Vector2(-scale.X, 0))) return false;
if ((reference & Anchor.y0) > 0 && !moveSelection(new Vector2(0, -scale.Y))) return false;
Quad quad = getSurroundingQuad(hitObjects);
foreach (var h in hitObjects)
{
var newPosition = h.Position;
// guard against no-ops and NaN.
if (scale.X != 0 && quad.Width > 0)
newPosition.X = quad.TopLeft.X + (h.X - quad.TopLeft.X) / quad.Width * (quad.Width + scale.X);
if (scale.X != 0 && selectionQuad.Width > 0)
newPosition.X = selectionQuad.TopLeft.X + (h.X - selectionQuad.TopLeft.X) / selectionQuad.Width * (selectionQuad.Width + scale.X);
if (scale.Y != 0 && quad.Height > 0)
newPosition.Y = quad.TopLeft.Y + (h.Y - quad.TopLeft.Y) / quad.Height * (quad.Height + scale.Y);
if (scale.Y != 0 && selectionQuad.Height > 0)
newPosition.Y = selectionQuad.TopLeft.Y + (h.Y - selectionQuad.TopLeft.Y) / selectionQuad.Height * (selectionQuad.Height + scale.Y);
h.Position = newPosition;
}
}
moveSelectionInBounds();
return true;
}