using System; using Unity.UIWidgets.animation; using Unity.UIWidgets.async2; using Unity.UIWidgets.foundation; using Unity.UIWidgets.rendering; using Unity.UIWidgets.ui; using UnityEngine; using Path = System.IO.Path; namespace Unity.UIWidgets.widgets { public class Lottie : StatefulWidget { public Skottie _skottie = null; public float _frame = 0; public Lottie(string path, float frame) { D.assert(path != null); _skottie = new Skottie(Path.Combine(Application.streamingAssetsPath, path)); _frame = frame; } public override State createState() { return new LottieState(); } } public class LottieState : State { public override Widget build(BuildContext context) { return new LottieRenderObjectWidget(widget._skottie, widget._frame); } } public class LottieRenderObjectWidget : LeafRenderObjectWidget { Skottie _anime; float _frame; float _duration; public override void updateRenderObject(BuildContext context, RenderObject renderObject) { base.updateRenderObject(context, renderObject); var a = (RenderLottie) renderObject; a.frame = _frame*_duration; } public LottieRenderObjectWidget(Skottie anime, float frame) { _anime = anime; _frame = frame; _duration = anime.duration(); } public override RenderObject createRenderObject(BuildContext context) { return new RenderLottie(_anime, 100, 100, frame: _frame); } } public class AnimatedLottie : ImplicitlyAnimatedWidget { public Skottie _skottie = null; public float _frame = 0; public AnimatedLottie( string path, Key key = null, Curve curve = null, TimeSpan? duration = null, float frame = 0 ) :base(key: key, curve: curve, duration: duration){ _skottie = new Skottie(Path.Combine(Application.streamingAssetsPath, path)); _frame = frame; } AnimatedLottie( Skottie skottie, Key key = null, Curve curve = null, TimeSpan? duration = null, float frame = 0 ) :base(key: key, curve: curve, duration: duration){ _skottie = skottie; _frame = frame; } public static AnimatedLottie file(string path, Key key = null, Curve curve = null, TimeSpan? duration = null, float frame = 0) { var skottie = new Skottie(Path.Combine(Application.streamingAssetsPath, path)); duration = duration ?? TimeSpan.FromSeconds(skottie.duration()); return new AnimatedLottie(skottie, key, curve, duration, frame); } public override State createState() { return new _AnimatedLottieState(); } } class _AnimatedLottieState : AnimatedWidgetBaseState { FloatTween frame; protected override void forEachTween(TweenVisitor visitor) { frame = (FloatTween) visitor.visit(this, frame, widget._frame, (value) => new FloatTween(begin: value, value)); } public override Widget build(BuildContext context) { return new LottieRenderObjectWidget(widget._skottie, frame.lerp(animation.value)); } } }