using System.Collections.Generic;
using UltimateWater.Utils;
using UnityEngine;

namespace UltimateWater.Samples
{
	[RequireComponent(typeof(Collider))]
	public class WaterRain : MonoBehaviour
	{
		[Range(0f, 1f)]
		public float Intensity = 0.1f;

		[MinMaxRange(0f, 2f)]
		public MinMaxRange Size = new MinMaxRange
		{
			MinValue = 0.3f,
			MaxValue = 0.5f
		};

		[MinMaxRange(0f, 8f)]
		public MinMaxRange Life = new MinMaxRange
		{
			MinValue = 0.5f,
			MaxValue = 2f
		};

		public float Force = 5f;

		private readonly List<WaterRaindropsIME> _Simulations = new List<WaterRaindropsIME>();

		private void Update()
		{
			for (int i = 0; i < _Simulations.Count; i++)
			{
				WaterRaindropsIME waterRaindropsIME = _Simulations[i];
				if (Random.Range(0f, 1f) < Intensity)
				{
					Vector3 velocity = -base.transform.up * Force;
					float num = Size.Random();
					Vector2 vector = new Vector2(Random.Range(0f, 1f), Random.Range(0f, 1f));
					waterRaindropsIME.Spawn(velocity, num, Life.Random(), vector.x, vector.y);
					for (int j = 0; j < Random.Range(0, 20); j++)
					{
						Vector2 vector2 = new Vector2(Random.Range(-1f, 1f), Random.Range(-1f, 1f)) * 0.05f;
						waterRaindropsIME.Spawn(Vector3.zero, num * 0.2f, 0.5f + Random.Range(0f, 0.4f), vector.x + vector2.x, vector.y + vector2.y);
					}
				}
			}
		}

		private void OnTriggerEnter(Collider colliderComponent)
		{
			WaterRaindropsIME component = colliderComponent.gameObject.GetComponent<WaterRaindropsIME>();
			if (component != null)
			{
				_Simulations.Add(component);
			}
		}

		private void OnTriggerExit(Collider colliderComponent)
		{
			WaterRaindropsIME component = colliderComponent.gameObject.GetComponent<WaterRaindropsIME>();
			if (component != null)
			{
				_Simulations.Remove(component);
			}
		}

		private void OnDrawGizmos()
		{
			Gizmos.color = Color.cyan;
		}
	}
}