using System;
using UnityEngine;

public class OvrUI : MonoBehaviour
{
	private void Start()
	{
		this.m_qGui = Quaternion.Euler(0f, -180f, 0f);
		this.m_trOvrScr = UTY.GetChildObject(base.gameObject, "ovr_screen", false).transform;
		this.m_fDistanceLimitFar = (this.m_fDistanceNow = this.m_trOvrScr.localPosition.z);
		this.CalcAngleLimit();
	}

	private void CalcAngleLimit()
	{
		this.m_fDistanceParNow = this.m_fDistanceNow / this.m_fDistanceLimitFar;
		this.m_fAngleLimitNow = this.m_fAngleLimitNear + (this.m_fAngleLimitFar - this.m_fAngleLimitNear) * this.m_fDistanceParNow;
	}

	private void Update()
	{
		if (Input.GetKey(KeyCode.UpArrow))
		{
			this.m_fDistanceNow += 0.1f * Time.deltaTime;
		}
		if (Input.GetKey(KeyCode.DownArrow))
		{
			this.m_fDistanceNow -= 0.1f * Time.deltaTime;
		}
		if (this.m_fDistanceNow > this.m_fDistanceLimitFar)
		{
			this.m_fDistanceNow = this.m_fDistanceLimitFar;
		}
		else if (this.m_fDistanceNow < this.m_fDistanceLimitNear)
		{
			this.m_fDistanceNow = this.m_fDistanceLimitNear;
		}
		this.m_trOvrScr.localPosition = new Vector3(0f, 0f, this.m_fDistanceNow);
		this.CalcAngleLimit();
		Vector3 vector = Vector3.forward;
		Vector3 vector2 = Vector3.forward;
		vector = this.m_goCenter.transform.rotation * vector;
		vector2 = base.transform.rotation * vector2;
		float num = Vector3.Angle(vector2, vector);
		if (num > this.m_fAngleLimitNow)
		{
			this.m_qGui = Quaternion.Lerp(this.m_qGui, this.m_goCenter.transform.rotation, this.m_speed);
		}
		base.transform.rotation = this.m_qGui;
		CameraMain.FadeState fadeState = GameMain.Instance.MainCamera.GetFadeState();
		if (Input.GetKey(KeyCode.U) || (this.m_BefFadeState != fadeState && fadeState == CameraMain.FadeState.ProcIn))
		{
			base.transform.rotation = (this.m_qGui = this.m_goCenter.transform.rotation);
		}
		this.m_BefFadeState = fadeState;
	}

	public float m_speed = 0.05f;

	public float m_fAngleLimitFar = 40f;

	public float m_fAngleLimitNear = 90f;

	private float m_fAngleLimitNow = 40f;

	public float m_fDistanceLimitNear = 0.1f;

	private float m_fDistanceLimitFar = 0.4f;

	private float m_fDistanceNow = 0.4f;

	private float m_fDistanceParNow;

	public GameObject m_goCenter;

	private Quaternion m_qGui = Quaternion.identity;

	private Transform m_trOvrScr;

	private CameraMain.FadeState m_BefFadeState;
}