using UltimateWater.Internal;
using UnityEngine;
using UnityEngine.Serialization;

namespace UltimateWater
{
	public class WeatherSystem : MonoBehaviour
	{
		[SerializeField]
		[FormerlySerializedAs("water")]
		private Water _Water;

		[FormerlySerializedAs("profile")]
		[SerializeField]
		private WaterProfile _Profile;

		[Tooltip("Describes how big the weather system is. Common values range from 10000 to 150000, assuming that the scene units are used as meters.")]
		[SerializeField]
		[FormerlySerializedAs("radius")]
		private float _Radius = 10000f;

		[FormerlySerializedAs("weight")]
		[SerializeField]
		[Range(0f, 1f)]
		private float _Weight = 1f;

		private WaterWavesSpectrumData _SpectrumData;

		private Vector2 _LastOffset;

		private Vector2 _LastWindDirection;

		private float _LastRadius;

		private float _LastWeight;

		private void Start()
		{
			_SpectrumData = new WaterWavesSpectrumData(_Water, _Water.WindWaves, _Profile.Data.Spectrum);
			LateUpdate();
			_Water.WindWaves.SpectrumResolver.AddSpectrum(_SpectrumData);
		}

		private void OnEnable()
		{
			if (_SpectrumData != null && !_Water.WindWaves.SpectrumResolver.ContainsSpectrum(_SpectrumData))
			{
				_Water.WindWaves.SpectrumResolver.AddSpectrum(_SpectrumData);
			}
		}

		private void OnDisable()
		{
			_Water.WindWaves.SpectrumResolver.RemoveSpectrum(_SpectrumData);
		}

		private void LateUpdate()
		{
			Vector3 vector = _Water.transform.InverseTransformPoint(base.transform.position);
			Vector2 vector2 = new Vector2(vector.x, vector.z);
			Vector3 forward = base.transform.forward;
			Vector2 normalized = new Vector2(forward.x, forward.z).normalized;
			if (normalized != _LastWindDirection || vector2 != _LastOffset || _Radius != _LastRadius || _Weight != _LastWeight)
			{
				_SpectrumData.WindDirection = (_LastWindDirection = normalized);
				_SpectrumData.WeatherSystemOffset = (_LastOffset = vector2);
				_SpectrumData.WeatherSystemRadius = (_LastRadius = _Radius);
				_SpectrumData.Weight = (_LastWeight = _Weight);
				_Water.WindWaves.SpectrumResolver.SetDirectionalSpectrumDirty();
			}
		}
	}
}