namespace DaggerFramework
{
    public abstract class Game
    {
        public abstract string ResourceRoot { get; }

        /// <summary>
        /// Starts the game application.
        /// This involves initializing the required subsystems, loading resources from the disk, and then preparing the subsystems for running in the main loop.
        /// </summary>
        public void Start()
        {
            Initialize();
            LoadResources();
            Ready();
            Run();
        }

        /// <summary>
        /// Called when it's time to initialize the subsystems.
        /// </summary>
        public abstract void Initialize();
        /// <summary>
        /// Called when it's time to load the application's resources, such as images or sounds.
        /// </summary>
        protected abstract void LoadResources();
        /// <summary>
        /// Called when it's safe to manipulate with the resources or/and systems.
        /// </summary>
        protected abstract void Ready();
        /// <summary>
        /// Called when everything has been readied to start the main loop.
        /// </summary>
        protected abstract void Run();
        /// <summary>
        /// Called when the application quits and it's safe to clean up.
        /// </summary>
        public abstract void Shutdown();
    }
}