using AssetRipper.Assets.Generics;
using AssetRipper.SourceGenerated.Subclasses.CompressedAnimationCurve;
using AssetRipper.SourceGenerated.Subclasses.Keyframe_Quaternionf;
using AssetRipper.SourceGenerated.Subclasses.QuaternionCurve;
using System.Numerics;

namespace AssetRipper.SourceGenerated.Extensions;

public static class CompressedAnimationCurveExtensions
{
	public static void Unpack(this CompressedAnimationCurve compressedAnimationCurve, UnityVersion version, IQuaternionCurve destinationCurve)
	{
		int[] timesValues = compressedAnimationCurve.Times.UnpackInts();
		float[] times = new float[timesValues.Length];
		for (int i = 0; i < times.Length; i++)
		{
			times[i] = timesValues[i] * 0.01f;
		}
		Quaternion[] rotations = compressedAnimationCurve.Values.Unpack();
		float[] slopes = compressedAnimationCurve.Slopes.Unpack();


		AccessListBase<IKeyframe_Quaternionf> keyframes = destinationCurve.Curve.Curve; //new KeyframeTpl<Quaternionf>[rotations.Length];
		keyframes.Clear();
		keyframes.Capacity = rotations.Length;

		for (int i = 0, j = 4; i < rotations.Length; i++, j += 4)
		{
			float time = times[i];
			Quaternion rotation = rotations[i];
			Quaternion inSlope = new Quaternion(slopes[j - 4], slopes[j - 3], slopes[j - 2], slopes[j - 1]);
			Quaternion outSlope = new Quaternion(slopes[j + 0], slopes[j + 1], slopes[j + 2], slopes[j + 3]);
			IKeyframe_Quaternionf keyframe = keyframes.AddNew();
			keyframe.SetValues(version, time, rotation, inSlope, outSlope, 1.0f / 3.0f);
		}
		destinationCurve.Path = compressedAnimationCurve.Path;
		destinationCurve.Curve.SetDefaultRotationOrderAndCurveLoopType();
		destinationCurve.Curve.PreInfinity = compressedAnimationCurve.PreInfinity;
		destinationCurve.Curve.PostInfinity = compressedAnimationCurve.PostInfinity;
	}
}