Hooks
static bool BeforeisNationalUnitClass(UnitClassTypes eUnitClass, bool& result);static void AfterisNationalUnitClass(UnitClassTypes eUnitClass, bool& result);static bool ReplaceisNationalUnitClass(bool (*original)(UnitClassTypes), UnitClassTypes eUnitClass);CivRegisterBefore<CivHooks::isNationalUnitClass>(host, &BeforeisNationalUnitClass);CivRegisterAfter<CivHooks::isNationalUnitClass>(host, &AfterisNationalUnitClass);CivRegisterReplace<CivHooks::isNationalUnitClass>(host, &ReplaceisNationalUnitClass);