/// <summary>
/// 房间门的朝向
/// </summary>
public enum DoorDirection
{
    /// <summary>
    /// 东
    /// </summary>
    E,
    /// <summary>
    /// 西
    /// </summary>
    W,
    /// <summary>
    /// 南
    /// </summary>
    S,
    /// <summary>
    /// 北
    /// </summary>
    N,
}