diff --git a/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs b/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs index 81623a9307..28ac83a25c 100644 --- a/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs +++ b/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs @@ -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; @@ -70,34 +69,9 @@ public Vector2 VectorScale public override bool RemoveWhenNotAlive => false; - protected override Vector2 DrawScale - => new Vector2(FlipH ? -base.DrawScale.X : base.DrawScale.X, FlipV ? -base.DrawScale.Y : base.DrawScale.Y) * VectorScale; + 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; diff --git a/osu.Game/Storyboards/StoryboardExtensions.cs b/osu.Game/Storyboards/StoryboardExtensions.cs new file mode 100644 index 0000000000..4e8251c9e7 --- /dev/null +++ b/osu.Game/Storyboards/StoryboardExtensions.cs @@ -0,0 +1,43 @@ +// Copyright (c) ppy Pty Ltd . 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 + { + /// + /// Given an origin and a set of properties, adjust the origin to display the sprite/animation correctly. + /// + /// The current origin. + /// The vector scale. + /// Whether the element is flipped horizontally. + /// Whether the element is flipped vertically. + /// The adjusted origin. + 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; + } + } +}