namespace Delta.Engine.Game

{

	/// <summary>

	/// Base class for all processes, defines what all processes can do.

	/// Basically they all have a Run method and can be active (then Run is

	/// called) or not (then they needed to be activated).

	/// </summary>

	public abstract class BaseProcess

	{

		#region IsActive (Public)

		/// <summary>

		/// Is this process active? Run is only called if this is true, inactive

		/// processes just sit there waiting to be killed or re-activated.

		/// </summary>

		public bool IsActive = true;

		#endregion



		#region Next (Public)

		/// <summary>

		/// Next process if this one is finished. Automatically made active if

		/// this process ends (once Run returns true).

		/// </summary>

		public BaseProcess Next;

		#endregion



		#region Constructors

		/// <summary>

		/// Initializes a new instance of the <see cref="BaseProcess"/> class.

		/// </summary>

		public BaseProcess()

		{

			ProcessManager.Instance.processes.Add(this);

		}

		#endregion



		#region Run (Public)

		/// <summary>

		/// Run is called for all active processes by the ProcessManager each tick

		/// </summary>

		/// <returns>True if the process finished, otherwise false.</returns>

		public abstract bool Run();

		#endregion

	}

}