using UnityEngine;

public class BoatEngine : MonoBehaviour
{
	public Boat currentBoat;

	public float maxTorque = 10f;

	public float acceleration = 2f;

	private float currentTorque;

	private float currentTurning;

	private float torqueAcceleration;

	public float currentTorquePercent;

	public float currentTurningTorquePercent;

	private AudioSource audioSource;

	public Transform particlesSplashWater;

	private void Start()
	{
		audioSource = GetComponent<AudioSource>();
	}

	private void Update()
	{
		EngineAudioController();
		if ((bool)currentBoat.currentPlayerCharacter)
		{
			if (!particlesSplashWater.gameObject.activeSelf)
			{
				particlesSplashWater.gameObject.SetActive(value: true);
			}
			return;
		}
		if (particlesSplashWater.gameObject.activeSelf)
		{
			particlesSplashWater.gameObject.SetActive(value: false);
		}
		StopEngine();
	}

	public void StopEngine()
	{
		currentTorque = 0f;
		currentTurning = 0f;
		torqueAcceleration = 0f;
		currentTorquePercent = 0f;
		currentTurningTorquePercent = 0f;
	}

	public void AddMove(Vector2 input)
	{
		float fixedDeltaTime = Time.fixedDeltaTime;
		if (input.y > 0f)
		{
			currentTorque = Mathf.MoveTowards(currentTorque, 1f, fixedDeltaTime);
		}
		else if (input.y < 0f)
		{
			currentTorque = Mathf.MoveTowards(currentTorque, -1f, fixedDeltaTime);
		}
		if (input.x > 0f)
		{
			currentTurning = Mathf.MoveTowards(currentTurning, 1f, fixedDeltaTime);
		}
		else if (input.x < 0f)
		{
			currentTurning = Mathf.MoveTowards(currentTurning, -1f, fixedDeltaTime);
		}
		else
		{
			currentTurning = Mathf.MoveTowards(currentTurning, 0f, fixedDeltaTime * 0.5f);
		}
		if (input.y == 0f && ((currentTorque > 0f && currentTorque < 0.05f) || (currentTorque < 0f && currentTorque > -0.05f)))
		{
			currentTorque = 0f;
		}
		if (input.x == 0f && ((currentTurning > 0f && currentTurning < 0.1f) || (currentTurning < 0f && currentTurning > -0.1f)))
		{
			currentTurning = 0f;
		}
		currentTorquePercent = currentTorque;
		currentTurningTorquePercent = currentTurning;
		float t = Mathf.Clamp01(currentBoat.rigidbody.velocity.magnitude / 10f);
		torqueAcceleration = Mathf.MoveTowards(torqueAcceleration, currentTorque * maxTorque, fixedDeltaTime * acceleration);
		float num = ((torqueAcceleration != 0f) ? Mathf.Clamp(currentTurning * torqueAcceleration, -50f, 50f) : (currentTurning * 3f));
		float num2 = torqueAcceleration * Mathf.Lerp(1f - Mathf.Abs(currentTurning) * 0.5f, 1f, t);
		float num3 = num * Mathf.Lerp(1f, 0.6f, t);
		currentBoat.rigidbody.AddForce(base.transform.forward * num2);
		currentBoat.rigidbody.AddTorque(currentBoat.transform.up * num3);
		currentBoat.rigidbody.AddTorque(currentBoat.transform.forward * num * 0.5f);
		currentBoat.rigidbody.AddTorque(-currentBoat.transform.right * Mathf.Clamp(currentBoat.rigidbody.velocity.sqrMagnitude, -10f, 50f));
		if ((bool)currentBoat.engineContainer)
		{
			currentBoat.engineContainer.localEulerAngles = new Vector3(0f, 45f * (0f - currentTurning), 0f);
		}
	}

	private void EngineAudioController()
	{
		if (currentTorquePercent != 0f)
		{
			audioSource.volume = Mathf.Abs(currentTorquePercent) * 0.4f;
			audioSource.pitch = 1f + Mathf.Abs(currentTorquePercent) * 0.1f;
			if (!audioSource.isPlaying)
			{
				audioSource.Play();
			}
		}
		else if (audioSource.isPlaying)
		{
			audioSource.Stop();
		}
	}
}