using System;
using kt.ik;
using kt.Utility;
using UnityEngine;

[Serializable]
public class IKBodyOffsetCtrl : AIKCtrl
{
	public IKBodyOffsetCtrl(FullBodyIKMgr ik_mgr) : base(ik_mgr, FullBodyIKMgr.IKEffectorType.Body)
	{
		this.posBaseBone = base.bone;
		this.ChainBones = new Transform[]
		{
			base.bone
		};
		this.IsIgnoreLateUpdateEnd = true;
	}

	public bool isCharaPosSetEnd { get; private set; }

	public override void SetIKSetting(IKAttachParam param)
	{
		BodyOffsetIKParam bodyOffsetIKParam = param as BodyOffsetIKParam;
		bodyOffsetIKParam.attachType = AIKCtrl.IKAttachType.NewPoint;
		bodyOffsetIKParam.posOffsetType = AIKCtrl.PosOffsetType.OffsetTarget;
		this.heightFit = bodyOffsetIKParam.heightFitType;
		this.posBaseBone = bodyOffsetIKParam.posBaseBone;
		this.AddOffset = bodyOffsetIKParam.addOffset;
		this.BlendPosOffset = this.lastPosOffset;
		base.SetIKSetting(param);
	}

	public void CheckBlendType()
	{
		if (!base.pointIKData.isIKExec)
		{
			return;
		}
		if (!base.pointIKData.isSetFirstFramePosRot)
		{
			if (base.pointIKData.blendType == AIKCtrl.IKBlendType.Not_Blend)
			{
				base.pointIKData.SetBlendType(AIKCtrl.IKBlendType.IK_To_IK);
			}
		}
		else
		{
			base.pointIKData.SetBlendType(AIKCtrl.IKBlendType.Not_Blend);
		}
	}

	public override void ApplyIKSetting()
	{
		this.PosOffset = Vector3.zero;
		if (base.isIKExec)
		{
			Maid targetChara = base.pointIKData.curTargetData.targetChara;
			if (targetChara && !targetChara.isOffsetUpdateEnd)
			{
				targetChara.OffsetUpdate();
			}
		}
		base.ApplyIKSetting();
	}

	private bool CheckDoIK()
	{
		if (!base.isIKExec)
		{
			return false;
		}
		if (this.heightFit == IKBodyOffsetCtrl.HeightFitType.None)
		{
			return true;
		}
		int num = this.myIKMgr.chara.GetProp(MPN.sintyou).value + this.myIKMgr.chara.GetProp(MPN.DouPer).value;
		Maid targetChara = base.pointIKData.curTargetData.targetChara;
		if (!targetChara)
		{
			return true;
		}
		int num2 = targetChara.GetProp(MPN.sintyou).value + targetChara.GetProp(MPN.DouPer).value;
		if (this.heightFit == IKBodyOffsetCtrl.HeightFitType.Higher)
		{
			return num > num2;
		}
		return num < num2;
	}

	protected override void SetTargetTransform(AIKCtrl.IKSettingData data, Vector3 pos, Quaternion rot)
	{
		if (!data.isPointAttach || !this.CheckDoIK())
		{
			return;
		}
		Vector3 vector = data.curTargetData.tgtOffset + this.AddOffset;
		Transform transform;
		if (data.curTargetData.targetChara)
		{
			transform = data.curTargetData.targetChara.transform;
		}
		else if (data.curTargetData.lastTgtChara)
		{
			transform = data.curTargetData.lastTgtChara.transform;
		}
		else if (data.curTargetData.lastTarget)
		{
			transform = data.curTargetData.lastTarget;
		}
		else
		{
			transform = data.curTargetData.target;
		}
		Transform transform2 = this.myIKMgr.chara.transform;
		if (data.isFirstFrame && !data.isSetFirstFramePosRot)
		{
			this.FirstBaseBonePos = transform2.InverseTransformPoint(this.posBaseBone.position);
			this.FirstLocalTgtPos = transform.InverseTransformPoint(this.FirstTgtPosRot.pos);
		}
		Vector3 vector2 = (!data.isBlendNow) ? transform2.TransformPoint(this.FirstBaseBonePos) : this.posBaseBone.position;
		pos = ((!data.isBlendNow) ? transform.TransformPoint(this.FirstLocalTgtPos) : pos);
		DebugUtility.DrawAxis(pos, rot, 0.0625f);
		vector = transform.TransformDirection(vector);
		base.constraintTarget.position = pos + vector;
		Vector3 vector3 = data.offsetEnable.GetEnable(base.constraintTarget.position - vector2, false);
		DebugUtility.DrawAxis(vector2, rot, 0.0125f);
		Debug.DrawLine(vector2, base.constraintTarget.position, Color.black);
		Debug.DrawRay(pos, vector, Color.gray);
		vector3 = this.myIKMgr.chara.transform.InverseTransformDirection(vector3);
		if (data.blendType == AIKCtrl.IKBlendType.IK_To_IK)
		{
			this.PosOffset = Vector3.Lerp(this.BlendPosOffset, vector3, data.blendWeight);
		}
		else if (data.blendType == AIKCtrl.IKBlendType.IK_To_Detach)
		{
			this.PosOffset = Vector3.Lerp(Vector3.zero, this.BlendPosOffset, base.positionWeight);
		}
		else
		{
			this.PosOffset = Vector3.Lerp(Vector3.zero, vector3, base.positionWeight);
		}
	}

	public override void OnPostFullBodySolverUpdate()
	{
		if (!this.CheckDoIK())
		{
			return;
		}
		this.AddPosOffset(this.PosOffset);
	}

	public void AddPosOffset(Vector3 offset)
	{
		this.isCharaPosSetEnd = true;
		this.myIKMgr.chara.AddPosOffset(offset);
	}

	protected override void SaveLastTargetPosRot()
	{
		base.SaveLastTargetPosRot();
		this.LastIKPosRot.Copy((!(this.posBaseBone != null)) ? base.bone : this.posBaseBone);
		this.lastPosOffset = this.PosOffset;
	}

	public void CharaPosReset()
	{
		this.isCharaPosSetEnd = false;
	}

	public override void Detach()
	{
		this.BlendPosOffset = this.lastPosOffset;
		base.Detach();
		this.heightFit = IKBodyOffsetCtrl.HeightFitType.None;
	}

	[SerializeField]
	private Vector3 PosOffset = Vector3.zero;

	private Vector3 AddOffset = Vector3.zero;

	private Vector3 FirstBaseBonePos;

	private Vector3 FirstLocalTgtPos;

	private Vector3 lastPosOffset = Vector3.zero;

	private Vector3 BlendPosOffset = Vector3.zero;

	public Transform posBaseBone;

	public IKBodyOffsetCtrl.HeightFitType heightFit = IKBodyOffsetCtrl.HeightFitType.None;

	public enum HeightFitType
	{
		Higher,
		Lower,
		None
	}
}