using UnityEngine;
using UnityStandardAssets.Characters.FirstPerson;
using UnityStandardAssets.CrossPlatformInput;

[RequireComponent(typeof(RigidbodyFirstPersonController))]
public class FlyingRigidbodyFirstPersonController : MonoBehaviour
{
	private Rigidbody rigidbody;

	private RigidbodyFirstPersonController rigidbodyFPC;

	private HeadBob headBob;

	public bool flying;

	public float flyingDrag = 5f;

	public float flightToggleTimeThreshold = 0.5f;

	private float lastAscendKeyHit = float.MinValue;

	private void Awake()
	{
		rigidbody = GetComponent<Rigidbody>();
		rigidbodyFPC = GetComponent<RigidbodyFirstPersonController>();
		headBob = GetComponentInChildren<HeadBob>();
	}

	private void Update()
	{
		if (AscendKeyDoubleHit())
		{
			flying = !flying;
			rigidbody.useGravity = !flying;
			rigidbodyFPC.enabled = !flying;
			headBob.enabled = !flying;
			if (flying)
			{
				rigidbody.drag = flyingDrag;
			}
		}
		if (flying)
		{
			rigidbodyFPC.mouseLook.LookRotation(base.transform, rigidbodyFPC.cam.transform);
		}
	}

	private void FixedUpdate()
	{
		if (!flying)
		{
			return;
		}
		Vector2 input = GetInput();
		Vector3 vector = Vector3.up * (((!CrossPlatformInputManager.GetButton("Jump")) ? 0f : 1f) - ((!CrossPlatformInputManager.GetButton("Crouch")) ? 0f : 1f));
		if (Mathf.Abs(input.x) > float.Epsilon || Mathf.Abs(input.y) > float.Epsilon || Mathf.Abs(vector.y) > float.Epsilon)
		{
			Vector3 vector2 = rigidbodyFPC.cam.transform.forward * input.y + rigidbodyFPC.cam.transform.right * input.x;
			vector2 = (vector2 + vector).normalized * rigidbodyFPC.movementSettings.CurrentTargetSpeed;
			if (rigidbodyFPC.Velocity.sqrMagnitude < rigidbodyFPC.movementSettings.CurrentTargetSpeed * rigidbodyFPC.movementSettings.CurrentTargetSpeed)
			{
				rigidbody.AddForce(vector2, ForceMode.Impulse);
			}
		}
	}

	private Vector2 GetInput()
	{
		Vector2 vector = new Vector2
		{
			x = CrossPlatformInputManager.GetAxis("Horizontal"),
			y = CrossPlatformInputManager.GetAxis("Vertical")
		};
		rigidbodyFPC.movementSettings.UpdateDesiredTargetSpeed(vector);
		return vector;
	}

	private bool AscendKeyDoubleHit()
	{
		bool result = false;
		if (CrossPlatformInputManager.GetButtonDown("Jump"))
		{
			result = Time.time - lastAscendKeyHit < flightToggleTimeThreshold;
			lastAscendKeyHit = Time.time;
		}
		return result;
	}
}