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Merge pull request #17239 from frenzibyte/storyboard-negative-scale

Fix drawable storyboard sprites not flipping origin on negative scale
This commit is contained in:
Dan Balasescu 2022-03-14 15:59:06 +09:00 committed by GitHub
commit 8f9b72c2ee
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4 changed files with 89 additions and 52 deletions

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@ -5,6 +5,7 @@ using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Graphics;
using osu.Framework.Testing;
using osu.Framework.Utils;
@ -52,6 +53,49 @@ namespace osu.Game.Tests.Visual.Gameplay
AddAssert("skinnable sprite has correct size", () => sprites.Any(s => Precision.AlmostEquals(s.ChildrenOfType<SkinnableSprite>().Single().Size, new Vector2(128, 128))));
}
[Test]
public void TestFlippedSprite()
{
const string lookup_name = "hitcircleoverlay";
AddStep("allow skin lookup", () => storyboard.UseSkinSprites = true);
AddStep("create sprites", () => SetContents(_ => createSprite(lookup_name, Anchor.TopLeft, Vector2.Zero)));
AddStep("flip sprites", () => sprites.ForEach(s =>
{
s.FlipH = true;
s.FlipV = true;
}));
AddAssert("origin flipped", () => sprites.All(s => s.Origin == Anchor.BottomRight));
}
[Test]
public void TestNegativeScale()
{
const string lookup_name = "hitcircleoverlay";
AddStep("allow skin lookup", () => storyboard.UseSkinSprites = true);
AddStep("create sprites", () => SetContents(_ => createSprite(lookup_name, Anchor.TopLeft, Vector2.Zero)));
AddStep("scale sprite", () => sprites.ForEach(s => s.VectorScale = new Vector2(-1)));
AddAssert("origin flipped", () => sprites.All(s => s.Origin == Anchor.BottomRight));
}
[Test]
public void TestNegativeScaleWithFlippedSprite()
{
const string lookup_name = "hitcircleoverlay";
AddStep("allow skin lookup", () => storyboard.UseSkinSprites = true);
AddStep("create sprites", () => SetContents(_ => createSprite(lookup_name, Anchor.TopLeft, Vector2.Zero)));
AddStep("scale sprite", () => sprites.ForEach(s => s.VectorScale = new Vector2(-1)));
AddAssert("origin flipped", () => sprites.All(s => s.Origin == Anchor.BottomRight));
AddStep("flip sprites", () => sprites.ForEach(s =>
{
s.FlipH = true;
s.FlipV = true;
}));
AddAssert("origin back", () => sprites.All(s => s.Origin == Anchor.TopLeft));
}
private DrawableStoryboardSprite createSprite(string lookupName, Anchor origin, Vector2 initialPosition)
=> new DrawableStoryboardSprite(
new StoryboardSprite(lookupName, origin, initialPosition)

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@ -3,7 +3,6 @@
using System;
using osu.Framework.Allocation;
using osu.Framework.Extensions.EnumExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Animations;
using osu.Framework.Graphics.Textures;
@ -73,31 +72,7 @@ namespace osu.Game.Storyboards.Drawables
protected override Vector2 DrawScale
=> new Vector2(FlipH ? -base.DrawScale.X : base.DrawScale.X, FlipV ? -base.DrawScale.Y : base.DrawScale.Y) * VectorScale;
public override Anchor Origin
{
get
{
var origin = base.Origin;
if (FlipH)
{
if (origin.HasFlagFast(Anchor.x0))
origin = Anchor.x2 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
else if (origin.HasFlagFast(Anchor.x2))
origin = Anchor.x0 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
}
if (FlipV)
{
if (origin.HasFlagFast(Anchor.y0))
origin = Anchor.y2 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
else if (origin.HasFlagFast(Anchor.y2))
origin = Anchor.y0 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
}
return origin;
}
}
public override Anchor Origin => StoryboardExtensions.AdjustOrigin(base.Origin, VectorScale, FlipH, FlipV);
public override bool IsPresent
=> !float.IsNaN(DrawPosition.X) && !float.IsNaN(DrawPosition.Y) && base.IsPresent;

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@ -3,7 +3,6 @@
using System;
using osu.Framework.Allocation;
using osu.Framework.Extensions.EnumExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Textures;
@ -73,31 +72,7 @@ namespace osu.Game.Storyboards.Drawables
protected override Vector2 DrawScale
=> new Vector2(FlipH ? -base.DrawScale.X : base.DrawScale.X, FlipV ? -base.DrawScale.Y : base.DrawScale.Y) * VectorScale;
public override Anchor Origin
{
get
{
var origin = base.Origin;
if (FlipH)
{
if (origin.HasFlagFast(Anchor.x0))
origin = Anchor.x2 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
else if (origin.HasFlagFast(Anchor.x2))
origin = Anchor.x0 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
}
if (FlipV)
{
if (origin.HasFlagFast(Anchor.y0))
origin = Anchor.y2 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
else if (origin.HasFlagFast(Anchor.y2))
origin = Anchor.y0 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
}
return origin;
}
}
public override Anchor Origin => StoryboardExtensions.AdjustOrigin(base.Origin, VectorScale, FlipH, FlipV);
public override bool IsPresent
=> !float.IsNaN(DrawPosition.X) && !float.IsNaN(DrawPosition.Y) && base.IsPresent;

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@ -0,0 +1,43 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using osu.Framework.Extensions.EnumExtensions;
using osu.Framework.Graphics;
using osuTK;
namespace osu.Game.Storyboards
{
public static class StoryboardExtensions
{
/// <summary>
/// Given an origin and a set of properties, adjust the origin to display the sprite/animation correctly.
/// </summary>
/// <param name="origin">The current origin.</param>
/// <param name="vectorScale">The vector scale.</param>
/// <param name="flipH">Whether the element is flipped horizontally.</param>
/// <param name="flipV">Whether the element is flipped vertically.</param>
/// <returns>The adjusted origin.</returns>
public static Anchor AdjustOrigin(Anchor origin, Vector2 vectorScale, bool flipH, bool flipV)
{
// Either flip horizontally or negative X scale, but not both.
if (flipH ^ (vectorScale.X < 0))
{
if (origin.HasFlagFast(Anchor.x0))
origin = Anchor.x2 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
else if (origin.HasFlagFast(Anchor.x2))
origin = Anchor.x0 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
}
// Either flip vertically or negative Y scale, but not both.
if (flipV ^ (vectorScale.Y < 0))
{
if (origin.HasFlagFast(Anchor.y0))
origin = Anchor.y2 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
else if (origin.HasFlagFast(Anchor.y2))
origin = Anchor.y0 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
}
return origin;
}
}
}