mirror of https://github.com/ppy/osu
136 lines
4.2 KiB
C#
136 lines
4.2 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using osuTK;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Animations;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Utils;
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using osu.Game.Beatmaps;
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namespace osu.Game.Storyboards.Drawables
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{
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public class DrawableStoryboardAnimation : TextureAnimation, IFlippable, IVectorScalable
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{
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public StoryboardAnimation Animation { get; }
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private bool flipH;
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public bool FlipH
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{
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get => flipH;
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set
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{
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if (flipH == value)
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return;
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flipH = value;
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Invalidate(Invalidation.MiscGeometry);
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}
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}
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private bool flipV;
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public bool FlipV
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{
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get => flipV;
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set
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{
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if (flipV == value)
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return;
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flipV = value;
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Invalidate(Invalidation.MiscGeometry);
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}
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}
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private Vector2 vectorScale = Vector2.One;
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public Vector2 VectorScale
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{
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get => vectorScale;
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set
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{
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if (Math.Abs(value.X) < Precision.FLOAT_EPSILON)
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value.X = Precision.FLOAT_EPSILON;
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if (Math.Abs(value.Y) < Precision.FLOAT_EPSILON)
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value.Y = Precision.FLOAT_EPSILON;
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if (vectorScale == value)
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return;
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if (!Validation.IsFinite(value)) throw new ArgumentException($@"{nameof(VectorScale)} must be finite, but is {value}.");
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vectorScale = value;
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Invalidate(Invalidation.MiscGeometry);
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}
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}
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public override bool RemoveWhenNotAlive => false;
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protected override Vector2 DrawScale
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=> 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
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{
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get
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{
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var origin = base.Origin;
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if (FlipH)
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{
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if (origin.HasFlag(Anchor.x0))
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origin = Anchor.x2 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
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else if (origin.HasFlag(Anchor.x2))
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origin = Anchor.x0 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
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}
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if (FlipV)
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{
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if (origin.HasFlag(Anchor.y0))
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origin = Anchor.y2 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
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else if (origin.HasFlag(Anchor.y2))
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origin = Anchor.y0 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
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}
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return origin;
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}
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}
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public override bool IsPresent
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=> !float.IsNaN(DrawPosition.X) && !float.IsNaN(DrawPosition.Y) && base.IsPresent;
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public DrawableStoryboardAnimation(StoryboardAnimation animation)
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{
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Animation = animation;
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Origin = animation.Origin;
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Position = animation.InitialPosition;
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Loop = animation.LoopType == AnimationLoopType.LoopForever;
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LifetimeStart = animation.StartTime;
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LifetimeEnd = animation.EndTime;
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}
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[BackgroundDependencyLoader]
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private void load(IBindable<WorkingBeatmap> beatmap, TextureStore textureStore)
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{
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for (var frame = 0; frame < Animation.FrameCount; frame++)
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{
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var framePath = Animation.Path.Replace(".", frame + ".");
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var path = beatmap.Value.BeatmapSetInfo.Files.Find(f => f.Filename.Equals(framePath, StringComparison.OrdinalIgnoreCase))?.FileInfo.StoragePath;
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if (path == null)
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continue;
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var texture = textureStore.Get(path);
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AddFrame(texture, Animation.FrameDelay);
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}
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Animation.ApplyTransforms(this);
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}
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}
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}
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