using System;
using System.IO;

namespace Server
{
    public static class ItemBounds
    {
        static ItemBounds()
        {
            Table = new Rectangle2D[TileData.ItemTable.Length];

            if (File.Exists("Data/Binary/Bounds.bin"))
            {
                using var fs = new FileStream(
                    "Data/Binary/Bounds.bin",
                    FileMode.Open,
                    FileAccess.Read,
                    FileShare.Read
                );
                var bin = new BinaryReader(fs);

                var count = Math.Min(Table.Length, (int)(fs.Length / 8));

                for (var i = 0; i < count; ++i)
                {
                    int xMin = bin.ReadInt16();
                    int yMin = bin.ReadInt16();
                    int xMax = bin.ReadInt16();
                    int yMax = bin.ReadInt16();

                    Table[i].Set(xMin, yMin, xMax - xMin + 1, yMax - yMin + 1);
                }

                bin.Close();
            }
            else
            {
                Console.WriteLine("Warning: Data/Binary/Bounds.bin does not exist");
            }
        }

        public static Rectangle2D[] Table { get; }
    }
}
