using System;
using UnityEngine;

namespace DunGen
{
	[Serializable]
	public class Door : MonoBehaviour
	{
		public delegate void DoorStateChangedDelegate(Door door, bool isOpen);

		[HideInInspector]
		public Dungeon Dungeon;

		[HideInInspector]
		public Doorway DoorwayA;

		[HideInInspector]
		public Doorway DoorwayB;

		[HideInInspector]
		public Tile TileA;

		[HideInInspector]
		public Tile TileB;

		[SerializeField]
		private bool dontCullBehind;

		[SerializeField]
		private bool isOpen;

		public bool DontCullBehind
		{
			get
			{
				return dontCullBehind;
			}
			set
			{
				if (dontCullBehind != value)
				{
					dontCullBehind = value;
					SetDoorState(isOpen);
				}
			}
		}

		public bool ShouldCullBehind
		{
			get
			{
				if (DontCullBehind)
				{
					return false;
				}
				return !isOpen;
			}
		}

		public virtual bool IsOpen
		{
			get
			{
				return isOpen;
			}
			set
			{
				if (isOpen != value)
				{
					SetDoorState(value);
				}
			}
		}

		public event DoorStateChangedDelegate OnDoorStateChanged;

		private void OnDestroy()
		{
			this.OnDoorStateChanged = null;
		}

		public void SetDoorState(bool isOpen)
		{
			this.isOpen = isOpen;
			if (this.OnDoorStateChanged != null)
			{
				this.OnDoorStateChanged(this, isOpen);
			}
		}
	}
}