using UnityEngine;

namespace Artngame.TEM
{
	public class FlyCam : MonoBehaviour
	{
		public float cameraSensitivity = 90f;

		public float climbSpeed = 4f;

		public float normalMoveSpeed = 10f;

		public float slowMoveFactor = 0.25f;

		public float fastMoveFactor = 3f;

		private float rotationX;

		private float rotationY;

		private void Start()
		{
			Cursor.lockState = CursorLockMode.Locked;
		}

		private void Update()
		{
			rotationX += Input.GetAxis("Mouse X") * cameraSensitivity * Time.deltaTime;
			rotationY += Input.GetAxis("Mouse Y") * cameraSensitivity * Time.deltaTime;
			rotationY = Mathf.Clamp(rotationY, -90f, 90f);
			base.transform.localRotation = Quaternion.AngleAxis(rotationX, Vector3.up);
			base.transform.localRotation *= Quaternion.AngleAxis(rotationY, Vector3.left);
			Vector3 vector = base.transform.right * normalMoveSpeed * Input.GetAxis("Horizontal") * Time.deltaTime;
			Vector3 vector2 = base.transform.forward * normalMoveSpeed * Input.GetAxis("Vertical") * Time.deltaTime;
			if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
			{
				vector *= fastMoveFactor;
				vector2 *= fastMoveFactor;
			}
			else if (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl))
			{
				vector *= slowMoveFactor;
				vector2 *= slowMoveFactor;
			}
			base.transform.position += vector;
			base.transform.position += vector2;
			if (Input.GetKey(KeyCode.Space))
			{
				base.transform.position += base.transform.up * climbSpeed * Time.deltaTime;
			}
			if (Input.GetKey(KeyCode.C))
			{
				base.transform.position -= base.transform.up * climbSpeed * Time.deltaTime;
			}
			if (Input.GetKeyDown(KeyCode.End))
			{
				if (Cursor.lockState == CursorLockMode.Locked)
				{
					Cursor.lockState = CursorLockMode.None;
					Cursor.visible = true;
				}
				else
				{
					Cursor.lockState = CursorLockMode.Locked;
					Cursor.visible = false;
				}
			}
		}
	}
}