using System;
using UnityEngine;

namespace PhysicsTools
{
	[Serializable]
	public class ControlPoint
	{
		[Tooltip("Optional: Object")]
		public GameObject obj;

		[Tooltip("Position through which rope will pass... If Object is specified then it is the local to the object otherwise it is global position")]
		public Vector3 localPos;

		[Range(1f, 5f)]
		[Tooltip("SlackFraction: How much of the rope length should be created between two control points... If it is more than 1 then a catenary is formed between the control points")]
		public float slackFraction;

		[Tooltip("Specify whether it is attached to the control point or not")]
		public bool attached;

		public ControlPoint()
		{
			obj = null;
			slackFraction = 1f;
			attached = true;
		}

		public override string ToString()
		{
			return ((!(obj != null)) ? "Object: null" : ("Object:" + obj.ToString())) + ", Position: " + localPos.ToString() + ", SlackFraction: " + slackFraction + ", Attached: " + attached;
		}

		public bool compare(ControlPoint rhs)
		{
			if (obj != rhs.obj || localPos != rhs.localPos || slackFraction != rhs.slackFraction || attached != rhs.attached)
			{
				return false;
			}
			return true;
		}

		public ControlPoint clone()
		{
			ControlPoint controlPoint = new ControlPoint();
			controlPoint.obj = obj;
			controlPoint.localPos = localPos;
			controlPoint.slackFraction = slackFraction;
			controlPoint.attached = attached;
			return controlPoint;
		}

		public Vector3 globalPos(Rope rope)
		{
			if (obj != null)
			{
				return obj.transform.TransformPoint(localPos);
			}
			return rope.transform.TransformPoint(localPos);
		}
	}
}