using System;
using System.Diagnostics;

namespace SpaceInvaders
{
    public class ImageNode : SLink
    {
        //-------------------------------------------------------------------
        //  FIELDS
        //-------------------------------------------------------------------

        private Image pImage;


        //-------------------------------------------------------------------
        //  CONSTRUCTION
        //-------------------------------------------------------------------

        public ImageNode(Image pImg) : base()
        {
            Debug.Assert(pImg != null);
            this.pImage = pImg;
        }

       
        //-------------------------------------------------------------------
        //  PUBLIC METHODS
        //-------------------------------------------------------------------

        public Image GetImage()
        {
            return this.pImage;
        }

        public override void Reset()
        {
            this.Clear();
        }

        public override void PrintStats()
        {
            Debug.WriteLine("{0} node", this.GetHashCode());
            Debug.WriteLine("Image: {0} --> {1}", this.pImage.GetName(), this.GetHashCode());

            base.PrintStats();
        }


        //-------------------------------------------------------------------
        //  PRIVATE METHODS
        //-------------------------------------------------------------------

        private void Clear()
        {
            this.pImage = null;
        }


    } //end class

} //end namespace