using Glass.Blacklight;
using System.Runtime.CompilerServices;
using Sprite = Glass.SpriteMaterial;

namespace Glass.Testbed
{
    /// <summary>
    /// The three cells of CursorExtras.png, laid out in a row with no border between cells.
    /// </summary>
    [SpriteSheet(spriteSizeX: 24, spriteSizeY: 24, borderSize: 0,
        "Glass.Testbed.SampleMaterials.CursorExtras.png")]
    public sealed class CursorExtraMaterials
    {
        private static readonly Point Center = new Point(12, 12);

        public static readonly Sprite MoveSprite = CreateIcon(0);
        public static readonly Sprite ScrubSprite = CreateIcon(1);
        public static readonly Sprite TextSprite = CreateIcon(2);

        public static readonly Cursor Move = new SpriteCursor(MoveSprite, Center);
        public static readonly Cursor Scrub = new SpriteCursor(ScrubSprite, Center);
        public static readonly Cursor Text = new SpriteCursor(TextSprite, Center);

        private static Sprite CreateIcon(int column, [CallerMemberName] string debugName = "")
        {
            return MaterialLibrary<CursorExtraMaterials>.CreateSprite(new Point(column, 0), debugName);
        }
    }
}