using System;
using UnityEngine;
using UnityEngine.Rendering.HighDefinition;

namespace UnityWaterTools
{
	public class WaterFloater : MonoBehaviourExtended
	{
		public Rigidbody rbody;

		public float depthBefSub;

		public bool useDisplacement;

		public float displacementAmount = 1f;

		public int floaters;

		public float waterDrag;

		public float waterAngularDrag;

		private WaterSearchParameters waterSearchParameters;

		private WaterSearchResult waterSearchResult;

		public WaterSurface water;

		private bool inWater;

		public bool InWater
		{
			get
			{
				return inWater;
			}
			private set
			{
				if (value != inWater)
				{
					this.OnWaterEnter?.Invoke(value);
					inWater = value;
				}
			}
		}

		public event Action<bool> OnWaterEnter;

		private void Start()
		{
			SetToWaterSurface();
		}

		private void SetToWaterSurface()
		{
			water = MonoBehaviourSingleton<GameWater>.Instance.WaterSurface;
		}

		private void FixedUpdate()
		{
			if ((object)water != null)
			{
				waterSearchParameters.startPositionWS = base.transform.position;
				water.ProjectPointOnWaterSurface(waterSearchParameters, out waterSearchResult);
				if (base.transform.position.y < waterSearchResult.projectedPositionWS.y)
				{
					InWater = true;
				}
				else
				{
					InWater = false;
				}
				if (useDisplacement && inWater)
				{
					rbody.AddForce(Vector3.up * displacementAmount, ForceMode.Force);
				}
			}
		}
	}
}