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Simplify HandleScale by extracting methods

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This commit is contained in:
Leon Gebler 2021-02-21 12:12:32 +01:00
parent 0b8009938a
commit 562a4cefdb
1 changed files with 40 additions and 27 deletions
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67
osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
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@ -143,41 +143,18 @@ namespace osu.Game.Rulesets.Osu.Edit
if ((newHeight > DrawHeight) || (newWidth > DrawWidth))
return false;
bool result;
// 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 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;
}
result = scaleSlider(slider, scale);
else
{
// move the selection before scaling if dragging from top or left anchors.
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;
foreach (var h in hitObjects)
{
var newPosition = h.Position;
// guard against no-ops and NaN.
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 && selectionQuad.Height > 0)
newPosition.Y = selectionQuad.TopLeft.Y + (h.Y - selectionQuad.TopLeft.Y) / selectionQuad.Height * (selectionQuad.Height + scale.Y);
h.Position = newPosition;
}
}
result = scaleHitObjects(hitObjects, reference, scale);
moveSelectionInBounds();
return true;
return result;
}
private static void adjustScaleFromAnchor(ref Vector2 scale, Anchor reference)
@ -214,6 +191,42 @@ namespace osu.Game.Rulesets.Osu.Edit
return true;
}
private bool scaleSlider(Slider slider, Vector2 scale)
{
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);
foreach (var point in slider.Path.ControlPoints)
point.Position.Value *= pathRelativeDeltaScale;
return true;
}
private bool scaleHitObjects(OsuHitObject[] hitObjects, Anchor reference, Vector2 scale)
{
// move the selection before scaling if dragging from top or left anchors.
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 selectionQuad = getSurroundingQuad(hitObjects);
foreach (var h in hitObjects)
{
var newPosition = h.Position;
// guard against no-ops and NaN.
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 && selectionQuad.Height > 0)
newPosition.Y = selectionQuad.TopLeft.Y + (h.Y - selectionQuad.TopLeft.Y) / selectionQuad.Height * (selectionQuad.Height + scale.Y);
h.Position = newPosition;
}
return true;
}
private bool moveSelection(Vector2 delta)
{
var hitObjects = selectedMovableObjects;