private bool IsMercenary(global::Empire onlooker, GuiUnit guiUnit)
{
if (guiUnit == null)
{
return(false);
}
Army army = guiUnit.TryGetUnitGarrison() as Army;
return((army == null || !army.HasCatspaw) && this.IsMercenary(onlooker, guiUnit.UnitDesign));
}