using UnityEngine;

public class WaterDisplacementObject : MonoBehaviour
{
	public float objectDisplacement = 1f;

	public float deepForVelocity = 0.1f;

	public bool useWaterCurrent = true;

	private float timeToDeepProbe;

	private float timerDeepProbe;

	public Vector3 deepProbe;

	private Rigidbody rigidbody;

	private float deepVeloPower;

	private float veloMag;

	private float startDrag;

	private FishSystem fishSystem;

	[HideInInspector]
	public float waterHeightPosition;

	[HideInInspector]
	public BaitStats baitStats;

	private Vector3 velo;

	private void Start()
	{
		rigidbody = GetComponent<Rigidbody>();
		startDrag = rigidbody.drag;
		fishSystem = Object.FindObjectOfType<FishSystem>();
		baitStats = GetComponent<BaitStats>();
		waterHeightPosition = GameObject.FindGameObjectWithTag("Water").transform.position.y;
	}

	private void FixedUpdate()
	{
		timerDeepProbe -= Time.deltaTime;
		velo = rigidbody.velocity;
		velo.y = 0f;
		veloMag = velo.magnitude;
		deepVeloPower = veloMag * Mathf.Abs(deepForVelocity);
		deepProbe = ProbeDeep();
		if (timerDeepProbe <= 0f)
		{
			timerDeepProbe = timeToDeepProbe;
		}
		if (waterHeightPosition - 0.02f >= base.transform.position.y)
		{
			base.transform.position = Vector3.MoveTowards(base.transform.position, new Vector3(base.transform.position.x, waterHeightPosition - 0.02f, base.transform.position.z), Time.deltaTime * objectDisplacement);
			rigidbody.AddForce(Vector3.up * deepForVelocity * deepVeloPower, ForceMode.Acceleration);
			rigidbody.drag = startDrag * 10f;
		}
		else
		{
			rigidbody.drag = startDrag;
		}
		if (fishSystem != null)
		{
			if (deepProbe.y > 0f)
			{
				fishSystem.AddInwaterObject(this);
			}
			else
			{
				fishSystem.DeleteInwaterObject(this);
			}
		}
	}

	private Vector3 ProbeDeep()
	{
		int mask = LayerMask.GetMask("Terrain");
		Vector3 zero = Vector3.zero;
		if (Physics.Raycast(base.transform.position, -Vector3.up, out var hitInfo, float.PositiveInfinity, mask))
		{
			zero.x = hitInfo.distance;
		}
		int mask2 = LayerMask.GetMask("WaterObject");
		if (Physics.Raycast(base.transform.position, Vector3.up, out var hitInfo2, float.PositiveInfinity, mask2))
		{
			zero.y = hitInfo2.distance;
			zero.z = hitInfo2.point.y;
		}
		return zero;
	}

	public void ForceByWaterCurrent(Vector3 direction, float powerForce)
	{
		if (useWaterCurrent && deepProbe.z >= base.transform.position.y)
		{
			rigidbody.AddForce(direction * powerForce, ForceMode.Acceleration);
		}
	}

	private void OnDisable()
	{
		if (!(fishSystem == null))
		{
			fishSystem.DeleteInwaterObject(this);
		}
	}

	private void BuildSplash(Vector3 contactPosition)
	{
		int num = Random.Range(0, 1);
		GameObject obj = Object.Instantiate(ScriptsHandler.Instance.waterFishSplash[num]);
		obj.transform.position = contactPosition;
		Vector3 vector = Vector3.one * velo.magnitude * base.transform.localScale.x;
		vector = Vector3.ClampMagnitude(vector, 0.1f);
		obj.transform.localScale = vector;
	}

	private void OnTriggerEnter(Collider col)
	{
		if (col.transform.tag == "Water")
		{
			BuildSplash(base.transform.position);
		}
	}
}