using System.Collections.Generic;
using UnityEngine;

[ExecuteInEditMode]
public class SnowManager : MonoBehaviour
{
	public float particleTurnOn = 0.0001f;

	public List<ParticleSystem> particles;

	public List<Material> materials;

	public int particlesSize;

	public bool particlesCollapsed;

	public int materialsSize;

	public bool materialsCollapsed;

	public float snowValue;

	public float snowValueOld;

	public float snowGrassValue;

	public float snowGrassValueOld;

	public float snowGrassValueMax = 1f;

	public float snowGrassValueOldMax;

	public Texture2D snowGrassTex;

	public Texture2D snowGrassTexOld;

	public float snowX;

	public float snowXOld;

	public float snowY;

	public float snowYOld;

	public void Start()
	{
		Shader.SetGlobalFloat("_SnowAmount", Mathf.Clamp(snowValue * snowGrassValue, 0f, snowGrassValueMax));
		Shader.SetGlobalTexture("_SnowTex", snowGrassTex);
	}

	public void Update()
	{
		if (snowGrassTex != snowGrassTexOld)
		{
			snowGrassTexOld = snowGrassTex;
			Shader.SetGlobalTexture("_SnowTex", snowGrassTex);
		}
		if (snowGrassValue == snowGrassValueOld && snowGrassValueMax == snowGrassValueOldMax && snowValue == snowValueOld)
		{
			return;
		}
		snowValueOld = snowValue;
		snowGrassValueOld = snowGrassValue;
		snowGrassValueOldMax = snowGrassValueMax;
		Shader.SetGlobalFloat("_SnowAmount", Mathf.Clamp(snowValue * snowGrassValue, 0f, snowGrassValueMax));
		foreach (Material material in materials)
		{
			if (material != null)
			{
				material.SetFloat("_SnowAmount", snowValue);
			}
		}
		if (snowValue > particleTurnOn)
		{
			foreach (ParticleSystem particle in particles)
			{
				if (particle != null && !particle.gameObject.activeSelf)
				{
					particle.gameObject.SetActive(true);
				}
			}
			return;
		}
		foreach (ParticleSystem particle2 in particles)
		{
			if (particle2 != null && particle2.gameObject.activeSelf)
			{
				particle2.gameObject.SetActive(false);
			}
		}
	}
}