using System;
using UnityEngine;

namespace FIMSpace.FTools
{
	[Serializable]
	public abstract class FIK_IKBoneBase
	{
		public float sqrMagn = 0.1f;

		public float BoneLength = 0.1f;

		public float MotionWeight = 1f;

		public Vector3 InitialLocalPosition;

		public Quaternion InitialLocalRotation;

		public Quaternion LastKeyLocalRotation;

		public FIK_IKBoneBase Child { get; private set; }

		public Transform transform { get; protected set; }

		public FIK_IKBoneBase(Transform t)
		{
			transform = t;
			if ((bool)transform)
			{
				InitialLocalPosition = transform.localPosition;
				InitialLocalRotation = transform.localRotation;
				LastKeyLocalRotation = t.localRotation;
			}
		}

		public virtual void SetChild(FIK_IKBoneBase child)
		{
			if (child != null)
			{
				Child = child;
				sqrMagn = (child.transform.position - transform.position).sqrMagnitude;
				BoneLength = (child.transform.position - transform.position).sqrMagnitude;
			}
		}
	}
}