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osu-lazer/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs

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// 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.
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using System;
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using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Utils;
using osuTK;
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namespace osu.Game.Storyboards.Drawables
{
public class DrawableStoryboardSprite : CompositeDrawable, IFlippable, IVectorScalable
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{
public StoryboardSprite Sprite { get; }
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private bool flipH;
public bool FlipH
{
get => flipH;
set
{
if (flipH == value)
return;
flipH = value;
Invalidate(Invalidation.MiscGeometry);
}
}
private bool flipV;
public bool FlipV
{
get => flipV;
set
{
if (flipV == value)
return;
flipV = value;
Invalidate(Invalidation.MiscGeometry);
}
}
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private Vector2 vectorScale = Vector2.One;
public Vector2 VectorScale
{
get => vectorScale;
set
{
if (Math.Abs(value.X) < Precision.FLOAT_EPSILON)
value.X = Precision.FLOAT_EPSILON;
if (Math.Abs(value.Y) < Precision.FLOAT_EPSILON)
value.Y = Precision.FLOAT_EPSILON;
if (vectorScale == value)
return;
if (!Validation.IsFinite(value)) throw new ArgumentException($@"{nameof(VectorScale)} must be finite, but is {value}.");
vectorScale = value;
Invalidate(Invalidation.MiscGeometry);
}
}
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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;
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public override Anchor Origin
{
get
{
var origin = base.Origin;
if (FlipH)
{
if (origin.HasFlag(Anchor.x0))
origin = Anchor.x2 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
else if (origin.HasFlag(Anchor.x2))
origin = Anchor.x0 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
}
if (FlipV)
{
if (origin.HasFlag(Anchor.y0))
origin = Anchor.y2 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
else if (origin.HasFlag(Anchor.y2))
origin = Anchor.y0 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
}
return origin;
}
}
public override bool IsPresent
=> !float.IsNaN(DrawPosition.X) && !float.IsNaN(DrawPosition.Y) && base.IsPresent;
public DrawableStoryboardSprite(StoryboardSprite sprite)
{
Sprite = sprite;
Origin = sprite.Origin;
Position = sprite.InitialPosition;
LifetimeStart = sprite.StartTime;
LifetimeEnd = sprite.EndTime;
AutoSizeAxes = Axes.Both;
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}
[BackgroundDependencyLoader]
private void load(TextureStore textureStore, Storyboard storyboard)
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{
var drawable = storyboard.CreateSpriteFromResourcePath(Sprite.Path, textureStore);
if (drawable != null)
InternalChild = drawable;
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Sprite.ApplyTransforms(this);
}
}
}