using System;

namespace LS_LevelStreaming
{
	public abstract class LS_ManagedObjectBase
	{
		private static int s_nextFreeID = 1;

		public System.EventHandler m_onShow;

		public System.EventHandler m_onHide;

		protected readonly int m_id;

		protected readonly LS_ITrigger m_trigger;

		protected bool m_isVisible;

		public int ID
		{
			get
			{
				return m_id;
			}
		}

		public LS_ITrigger Trigger
		{
			get
			{
				return m_trigger;
			}
		}

		public bool IsVisible
		{
			get
			{
				return m_isVisible;
			}
		}

		public LS_ManagedObjectBase(LS_ITrigger p_trigger)
		{
			m_id = s_nextFreeID++;
			m_trigger = p_trigger;
		}

		public virtual void Update()
		{
			bool flag = m_trigger.IsVisible();
			if (m_isVisible && !flag)
			{
				ForceHide();
			}
			else if (!m_isVisible && flag)
			{
				ForceShow();
			}
		}

		public void ForceShow()
		{
			if (!m_isVisible)
			{
				m_isVisible = true;
				Show();
				if (m_onShow != null)
				{
					m_onShow(this, EventArgs.Empty);
				}
			}
		}

		public void ForceHide()
		{
			if (m_isVisible)
			{
				m_isVisible = false;
				Hide();
				if (m_onHide != null)
				{
					m_onHide(this, EventArgs.Empty);
				}
			}
		}

		protected abstract void Show();

		protected abstract void Hide();
	}
}