using UnityEngine;

namespace PigeonCoopToolkit.Effects.Trails
{
	[AddComponentMenu("Pigeon Coop Toolkit/Effects/Smoke Plume")]
	public class SmokePlume : TrailRenderer_Base
	{
		public float TimeBetweenPoints = 0.1f;

		public Vector3 ConstantForce = Vector3.up * 0.5f;

		public float RandomForceScale = 0.05f;

		public int MaxNumberOfPoints = 50;

		private float _timeSincePoint;

		protected override void Start()
		{
			base.Start();
			_timeSincePoint = 0f;
		}

		protected override void OnStartEmit()
		{
			_timeSincePoint = 0f;
		}

		protected override void Reset()
		{
			base.Reset();
			TrailData.SizeOverLife = new AnimationCurve(new Keyframe(0f, 0f), new Keyframe(0.5f, 0.2f), new Keyframe(1f, 0.2f));
			TrailData.Lifetime = 6f;
			ConstantForce = Vector3.up * 0.5f;
			TimeBetweenPoints = 0.1f;
			RandomForceScale = 0.05f;
			MaxNumberOfPoints = 50;
		}

		protected override void Update()
		{
			if (_emit)
			{
				_timeSincePoint += ((!_noDecay) ? Time.deltaTime : 0f);
				if (_timeSincePoint >= TimeBetweenPoints)
				{
					AddPoint(new SmokeTrailPoint(), _t.position);
					_timeSincePoint = 0f;
				}
			}
			base.Update();
		}

		protected override void InitialiseNewPoint(PCTrailPoint newPoint)
		{
			((SmokeTrailPoint)newPoint).RandomVec = Random.onUnitSphere * RandomForceScale;
		}

		protected override void UpdateTrail(PCTrail trail, float deltaTime)
		{
			if (_noDecay)
			{
				return;
			}
			foreach (PCTrailPoint point in trail.Points)
			{
				point.Position += ConstantForce * deltaTime;
			}
		}

		protected override int GetMaxNumberOfPoints()
		{
			return MaxNumberOfPoints;
		}
	}
}