public void AddModule(Type itfType, IGameModule mod)
{
CheckInterfaceType(itfType);
Type modType = mod.GetType();
if (!itfType.IsAssignableFrom(modType))
{
throw new ArgumentException($"Module({modType.Name}) is not implemented by interface({itfType.Name}).");
}
_modules.Add(itfType, mod);
}