using System;
using System.Collections.Generic;
using kt.ik;
using RootMotion.FinalIK;
using UnityEngine;

[Serializable]
public class FreeFBIKCtrl : AIKCtrl
{
	public FreeFBIKCtrl(FullBodyIKMgr ik_mgr, FullBodyIKMgr.IKEffectorType effector_type, bool is_upper, FullBodyIKMgr.IKBoneType bend_bone = FullBodyIKMgr.IKBoneType.None) : base(ik_mgr, effector_type)
	{
		base.isUpperBody = is_upper;
		this.Effector = new FreeFBIKEffector(ik_mgr.ik, base.bone, base.constraintTarget, base.isUpperBody);
		this.FABRIK = base.constraintTarget.parent.gameObject.AddComponent<FABRIK>();
		this.FABRIK.solver.target = base.constraintTarget;
		this.FABRIK.fixTransforms = false;
		this.FABRIK.solver.SetChain(this.ChainBones, this.ChainBones[0]);
		this.FABRIK.enabled = false;
		if (bend_bone == FullBodyIKMgr.IKBoneType.None)
		{
			return;
		}
		Transform[] chainBonesToInit = this.myIKMgr.GetChainBonesToInit(bend_bone);
		List<FreeFBIKEffector.BendBone> list = new List<FreeFBIKEffector.BendBone>();
		for (int i = 0; i < chainBonesToInit.Length; i++)
		{
			list.Add(new FreeFBIKEffector.BendBone(chainBonesToInit[i], 1f - (float)i / (float)(chainBonesToInit.Length - 1)));
		}
		this.Effector.bendBones = list.ToArray();
		this.Effector.CCDBones = chainBonesToInit;
		this.Effector.bodyClampWeight = 1f;
		this.Effector.boneClampWeight = 0f;
		this.Effector.CCDWeight = 0f;
	}

	public FreeFBIKEffector effector
	{
		get
		{
			return this.Effector;
		}
	}

	public override bool isNeedFullbodySolverUpdate
	{
		get
		{
			return base.isIKExec && this.IsPullOn;
		}
	}

	public override void SetIKSetting(IKAttachParam param)
	{
		this.Effector.bodyClampWeight = 1f;
		base.SetIKSetting(param);
	}

	public override void SetPullState(bool pull_on)
	{
		this.IsPullOn = pull_on;
	}

	public override void ApplyIKSetting()
	{
		this.BoneRotChache = base.bone.rotation;
		base.ApplyIKSetting();
	}

	protected override void SetTargetTransform(AIKCtrl.IKSettingData data, Vector3 pos, Quaternion rot)
	{
		base.SetTargetTransform(data, pos, rot);
		if (!this.IsPullOn)
		{
			return;
		}
		if (!data.isPointAttach)
		{
			return;
		}
		if (this.myIKMgr.bodyEffector.positionWeight < base.positionWeight)
		{
			this.myIKMgr.bodyEffector.positionWeight = base.positionWeight;
		}
		if (this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.UpperArm_L).positionWeight < base.positionWeight)
		{
			this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.UpperArm_L).positionWeight = base.positionWeight;
		}
		if (this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.UpperArm_R).positionWeight < base.positionWeight)
		{
			this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.UpperArm_R).positionWeight = base.positionWeight;
		}
		if (this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.Thigh_L).positionWeight < base.positionWeight)
		{
			this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.Thigh_L).positionWeight = base.positionWeight;
		}
		if (this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.Thigh_R).positionWeight < base.positionWeight)
		{
			this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.Thigh_R).positionWeight = base.positionWeight;
		}
		if (this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.Hand_L).isIKExec || this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.Hand_R).isIKExec || this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.Foot_L).isIKExec || this.myIKMgr.GetIKCtrl(FullBodyIKMgr.IKEffectorType.Foot_R).isIKExec)
		{
			this.Effector.bodyClampWeight = 0f;
		}
		this.effector.OnPreRead();
		this.effector.Iterate();
	}

	public override void OnPostFullBodySolverUpdate()
	{
		if (base.GetIKSettingData(AIKCtrl.IKAttachType.NewPoint).isIKExec && !base.GetIKSettingData(AIKCtrl.IKAttachType.NewPoint).isBlendNow)
		{
			this.FABRIK.solver.Update();
		}
		if (base.GetIKSettingData(AIKCtrl.IKAttachType.Rotate).isIKExec)
		{
			base.bone.rotation = Quaternion.Lerp(this.BoneRotChache, base.constraintTarget.rotation, base.rotationWeight);
		}
	}

	public override void Detach()
	{
		this.Effector.bodyClampWeight = 1f;
		base.Detach();
	}

	protected override void OnPostSetPositionWeight(float val)
	{
		IKSolver solver = this.FABRIK.solver;
		this.effector.positionWeight = val;
		solver.IKPositionWeight = val;
	}

	[SerializeField]
	[Header("最終的に位置を合わせるIKコンポーネント")]
	protected FABRIK FABRIK;

	[SerializeField]
	[Header("エフェクターデータ")]
	private FreeFBIKEffector Effector;

	private Quaternion BoneRotChache = Quaternion.identity;

	private bool IsPullOn = true;
}