mirror of https://github.com/ppy/osu
98 lines
3.2 KiB
C#
98 lines
3.2 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.Collections.Generic;
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using System.Linq;
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using osu.Framework.Allocation;
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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.Sprites;
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using osu.Framework.Graphics.Textures;
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namespace osu.Game.Skinning
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{
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public static class LegacySkinExtensions
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{
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public static Drawable GetAnimation(this ISkin source, string componentName, bool animatable, bool looping, bool applyConfigFrameRate = false, string animationSeparator = "-",
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bool startAtCurrentTime = true, double? frameLength = null)
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{
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Texture texture;
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if (animatable)
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{
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var textures = getTextures().ToArray();
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if (textures.Length > 0)
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{
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var animation = new SkinnableTextureAnimation(startAtCurrentTime)
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{
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DefaultFrameLength = frameLength ?? getFrameLength(source, applyConfigFrameRate, textures),
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Loop = looping,
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};
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foreach (var t in textures)
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animation.AddFrame(t);
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return animation;
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}
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}
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// if an animation was not allowed or not found, fall back to a sprite retrieval.
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if ((texture = source.GetTexture(componentName)) != null)
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return new Sprite { Texture = texture };
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return null;
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IEnumerable<Texture> getTextures()
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{
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for (int i = 0; true; i++)
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{
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if ((texture = source.GetTexture($"{componentName}{animationSeparator}{i}")) == null)
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break;
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yield return texture;
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}
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}
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}
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public class SkinnableTextureAnimation : TextureAnimation
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{
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[Resolved(canBeNull: true)]
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private IAnimationTimeReference timeReference { get; set; }
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public SkinnableTextureAnimation(bool startAtCurrentTime = true)
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: base(startAtCurrentTime)
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{
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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if (timeReference != null)
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{
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Clock = timeReference.Clock;
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PlaybackPosition = timeReference.Clock.CurrentTime - timeReference.AnimationStartTime;
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}
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}
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}
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private const double default_frame_time = 1000 / 60d;
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private static double getFrameLength(ISkin source, bool applyConfigFrameRate, Texture[] textures)
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{
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if (applyConfigFrameRate)
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{
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var iniRate = source.GetConfig<GlobalSkinConfiguration, int>(GlobalSkinConfiguration.AnimationFramerate);
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if (iniRate?.Value > 0)
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return 1000f / iniRate.Value;
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return 1000f / textures.Length;
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}
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return default_frame_time;
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}
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}
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}
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