using UnityEngine;
using UnityEngine.Rendering.HighDefinition;

[ExecuteInEditMode]
public class FoamShore : MonoBehaviour
{
	public Material deformerCustomMaterial;

	public WaterDeformer waterDeformer;

	public float minAliveTime = 6f;

	public float maxAliveTime = 8f;

	public float maxPosition = 5f;

	public float maxSize = 15f;

	private MaterialPropertyBlock mpb;

	private float aliveTime;

	private float startTime;

	private DecalProjector m_DecalProjectorComponent;

	private void Awake()
	{
		m_DecalProjectorComponent = GetComponent<DecalProjector>();
		m_DecalProjectorComponent.material = new Material(m_DecalProjectorComponent.material);
	}

	public void OnEnable()
	{
		mpb = new MaterialPropertyBlock();
		waterDeformer.SetPropertyBlock(mpb);
		startTime = Time.realtimeSinceStartup;
		aliveTime = Random.Range(minAliveTime, maxAliveTime);
		Reset();
	}

	private void Update()
	{
		float num = (Time.realtimeSinceStartup - startTime) % aliveTime / aliveTime;
		float num2 = 1f - Mathf.Abs(4f * Mathf.Pow(num - 0.5f, 2f));
		float value = (((double)num <= 0.5) ? num2 : 1f);
		float value2 = (((double)num <= 0.5) ? 0f : (1f - num2));
		Vector3 size = m_DecalProjectorComponent.size;
		size.y = Mathf.Lerp(0f, maxSize, num2);
		m_DecalProjectorComponent.size = size;
		Vector3 localPosition = base.transform.localPosition;
		localPosition.x = Mathf.Lerp(0f, maxPosition, num2);
		base.transform.localPosition = localPosition;
		m_DecalProjectorComponent.material.SetFloat("_Opacity", value);
		m_DecalProjectorComponent.material.SetFloat("_NormalizedAliveTime", num);
		m_DecalProjectorComponent.material.SetFloat("_ContrastNormalized", value2);
		mpb.SetFloat("_NormalizedAliveTime", num);
		Vector2 regionSize = waterDeformer.regionSize;
		regionSize.y = Mathf.Lerp(0f, maxSize, num2);
		waterDeformer.regionSize = regionSize;
		waterDeformer.amplitude = num2 * 0.7f;
		if ((double)num > 0.99)
		{
			m_DecalProjectorComponent.material.SetFloat("_Opacity", 0f);
			waterDeformer.regionSize = new Vector2(regionSize.x, 0f);
			m_DecalProjectorComponent.size = new Vector3(size.x, 0f, size.z);
			base.gameObject.SetActive(value: false);
		}
	}

	public void Reset()
	{
		Random.Range(0, 2);
		Random.Range(0, 2);
		m_DecalProjectorComponent.material.SetFloat("_Opacity", 0f);
	}
}