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Rewrite scaling bounds check to behave more intuively

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This commit is contained in:
Leon Gebler 2021-02-21 17:40:57 +01:00
parent 2c6f92d12f
commit 33985d9e7c
1 changed files with 27 additions and 12 deletions
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39
osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
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@ -139,15 +139,8 @@ namespace osu.Game.Rulesets.Osu.Edit
adjustScaleFromAnchor(ref scale, reference); adjustScaleFromAnchor(ref scale, reference);
var hitObjects = selectedMovableObjects; 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;
bool result; bool result;
// for the time being, allow resizing of slider paths only if the slider is // 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 // 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. // is not looking to change the duration of the slider but expand the whole pattern.
@ -197,8 +190,18 @@ namespace osu.Game.Rulesets.Osu.Edit
private bool scaleSlider(Slider slider, Vector2 scale) private bool scaleSlider(Slider slider, Vector2 scale)
{ {
Quad quad = getSurroundingQuad(slider.Path.ControlPoints.Select(p => p.Position.Value)); Quad sliderQuad = getSurroundingQuad(slider.Path.ControlPoints.Select(p => p.Position.Value));
Vector2 pathRelativeDeltaScale = new Vector2(1 + scale.X / quad.Width, 1 + scale.Y / quad.Height); Vector2 pathRelativeDeltaScale = new Vector2(1 + scale.X / sliderQuad.Width, 1 + scale.Y / sliderQuad.Height);
Quad selectionQuad = getSurroundingQuad(new OsuHitObject[] { slider });
Quad scaledQuad = new Quad(selectionQuad.TopLeft.X, selectionQuad.TopLeft.Y, selectionQuad.Width + scale.X, selectionQuad.Height + scale.Y);
(bool X, bool Y) inBounds = isQuadInBounds(scaledQuad);
if (!inBounds.X)
pathRelativeDeltaScale.X = 1;
if (!inBounds.Y)
pathRelativeDeltaScale.Y = 1;
foreach (var point in slider.Path.ControlPoints) foreach (var point in slider.Path.ControlPoints)
point.Position.Value *= pathRelativeDeltaScale; point.Position.Value *= pathRelativeDeltaScale;
@ -213,16 +216,18 @@ namespace osu.Game.Rulesets.Osu.Edit
if ((reference & Anchor.y0) > 0 && !moveSelection(new Vector2(0, -scale.Y))) return false; if ((reference & Anchor.y0) > 0 && !moveSelection(new Vector2(0, -scale.Y))) return false;
Quad selectionQuad = getSurroundingQuad(hitObjects); Quad selectionQuad = getSurroundingQuad(hitObjects);
Quad scaledQuad = new Quad(selectionQuad.TopLeft.X, selectionQuad.TopLeft.Y, selectionQuad.Width + scale.X, selectionQuad.Height + scale.Y);
(bool X, bool Y) inBounds = isQuadInBounds(scaledQuad);
foreach (var h in hitObjects) foreach (var h in hitObjects)
{ {
var newPosition = h.Position; var newPosition = h.Position;
// guard against no-ops and NaN. // guard against no-ops and NaN.
if (scale.X != 0 && selectionQuad.Width > 0) if (scale.X != 0 && selectionQuad.Width > 0 && inBounds.X)
newPosition.X = selectionQuad.TopLeft.X + (h.X - selectionQuad.TopLeft.X) / selectionQuad.Width * (selectionQuad.Width + scale.X); newPosition.X = selectionQuad.TopLeft.X + (h.X - selectionQuad.TopLeft.X) / selectionQuad.Width * (selectionQuad.Width + scale.X);
if (scale.Y != 0 && selectionQuad.Height > 0) if (scale.Y != 0 && selectionQuad.Height > 0 && inBounds.Y)
newPosition.Y = selectionQuad.TopLeft.Y + (h.Y - selectionQuad.TopLeft.Y) / selectionQuad.Height * (selectionQuad.Height + scale.Y); newPosition.Y = selectionQuad.TopLeft.Y + (h.Y - selectionQuad.TopLeft.Y) / selectionQuad.Height * (selectionQuad.Height + scale.Y);
h.Position = newPosition; h.Position = newPosition;
@ -231,6 +236,16 @@ namespace osu.Game.Rulesets.Osu.Edit
return true; return true;
} }
private (bool X, bool Y) isQuadInBounds(Quad quad)
{
(bool X, bool Y) result;
result.X = (quad.TopLeft.X >= 0) && (quad.BottomRight.X < DrawWidth);
result.Y = (quad.TopLeft.Y >= 0) && (quad.BottomRight.Y < DrawHeight);
return result;
}
private bool moveSelection(Vector2 delta) private bool moveSelection(Vector2 delta)
{ {
var hitObjects = selectedMovableObjects; var hitObjects = selectedMovableObjects;