internal BuildingAccessory(XElement element, BuildingGrade belongTo)
{
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
if (element.Name != nameof(BuildingAccessory))
{
throw new ArgumentException($"{nameof(element)} do not perform a {nameof(BuildingAccessory)}",
nameof(element));
}
BelongTo = belongTo ?? throw new ArgumentNullException(nameof(belongTo));
try
{
Name = element.Attribute(nameof(Name)).Value;
Introduction = element.Attribute(nameof(Introduction)).Value;
Money = Convert.ToInt64(element.Attribute(nameof(Money)).Value);
InstallTime = Convert.ToInt32(element.Attribute(nameof(InstallTime)).Value);
}
catch (NullReferenceException e)
{
throw new ArgumentException($"{nameof(element)} has wrong data or lack of data", e);
}
}
public virtual void Upgrade(BuildingGrade targetGrade)
{
}