/*************************************************************************
 * ModernUO                                                              *
 * Copyright (C) 2019-2021 - ModernUO Development Team                   *
 * Email: hi@modernuo.com                                                *
 * File: GumpAlphaRegion.cs                                              *
 *                                                                       *
 * This program is free software: you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation, either version 3 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

using System.Buffers;
using Server.Collections;

namespace Server.Gumps
{
    public class GumpAlphaRegion : GumpEntry
    {
        public static readonly byte[] LayoutName = Gump.StringToBuffer("checkertrans");

        public GumpAlphaRegion(int x, int y, int width, int height)
        {
            X = x;
            Y = y;
            Width = width;
            Height = height;
        }

        public int X { get; set; }

        public int Y { get; set; }

        public int Width { get; set; }

        public int Height { get; set; }

        public override string Compile(OrderedHashSet<string> strings) => $"{{ checkertrans {X} {Y} {Width} {Height} }}";

        public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, ref int entries, ref int switches)
        {
            writer.Write((ushort)0x7B20); // "{ "
            writer.Write(LayoutName);
            writer.WriteAscii(' ');
            writer.WriteAscii(X.ToString());
            writer.WriteAscii(' ');
            writer.WriteAscii(Y.ToString());
            writer.WriteAscii(' ');
            writer.WriteAscii(Width.ToString());
            writer.WriteAscii(' ');
            writer.WriteAscii(Height.ToString());
            writer.Write((ushort)0x207D); // " }"
        }
    }
}
