using UnityEngine;
using UnityEngine.Rendering.HighDefinition;

[ExecuteInEditMode]
public class FloatingIceberg : MonoBehaviour
{
	public WaterSurface targetSurface;

	public float currentSpeedMultiplier = 1f;

	public float selfRotationSpeed;

	public Vector3 initialPosition;

	public float initialScale = 0.25f;

	public bool includeDeformers = true;

	public bool clickToResetPosition;

	private WaterSearchParameters searchParameters;

	private WaterSearchResult searchResult;

	private void Start()
	{
		Reset();
	}

	private void Update()
	{
		float num = 50f;
		float num2 = 68f;
		float num3 = 1f - Mathf.Clamp01((Mathf.Abs(base.transform.position.x) - num) / (num2 - num));
		if (base.transform.position.x > 0f)
		{
			GetComponent<Renderer>().sharedMaterial.SetFloat("_Opacity", num3);
		}
		else
		{
			base.transform.localScale = Vector3.one * initialScale * num3;
		}
		if (base.transform.position.x < 0f - num2 || clickToResetPosition)
		{
			Reset();
		}
		if (selfRotationSpeed > 0f)
		{
			Vector3 localEulerAngles = base.transform.localEulerAngles;
			localEulerAngles.y += selfRotationSpeed;
			base.transform.localEulerAngles = localEulerAngles;
		}
		if (targetSurface != null)
		{
			searchParameters.startPositionWS = searchResult.candidateLocationWS;
			searchParameters.targetPositionWS = base.transform.position;
			searchParameters.error = 0.01f;
			searchParameters.maxIterations = 8;
			searchParameters.includeDeformation = includeDeformers;
			searchParameters.excludeSimulation = false;
			if (targetSurface.ProjectPointOnWaterSurface(searchParameters, out searchResult))
			{
				base.transform.position = searchResult.projectedPositionWS + searchResult.currentDirectionWS * currentSpeedMultiplier;
			}
		}
	}

	private void Reset()
	{
		base.transform.position = initialPosition;
		base.transform.localScale = Vector3.one * initialScale;
		clickToResetPosition = false;
	}
}