namespace Hallucinate.GameSetup.Maze
{
    /// <summary>
    /// Represents a 2D coordinate on the maze grid.
    /// Used as a lightweight value type to avoid GC allocations.
    /// </summary>
    public readonly struct MapLocation
    {
        public readonly int x;
        public readonly int z;

        public MapLocation(int _x, int _z)
        {
            x = _x;
            z = _z;
        }

        // Static predefined directions to eliminate magic numbers in algorithms
        public static MapLocation Right => new MapLocation(1, 0);
        public static MapLocation Left => new MapLocation(-1, 0);
        public static MapLocation Up => new MapLocation(0, 1);
        public static MapLocation Down => new MapLocation(0, -1);

        /// <summary>
        /// Returns a list of all 4 cardinal directions.
        /// </summary>
        public static System.Collections.Generic.List<MapLocation> Directions => new System.Collections.Generic.List<MapLocation>
        {
            Right, Up, Left, Down
        };
    }
}