Hooks
static bool BeforeCvCity_getExtraProductionDifference_with_int_UnitTypes_const(const CvCity* self, int iExtra, UnitTypes eUnit, int& result);static void AfterCvCity_getExtraProductionDifference_with_int_UnitTypes_const(const CvCity* self, int iExtra, UnitTypes eUnit, int& result);static int ReplaceCvCity_getExtraProductionDifference_with_int_UnitTypes_const(int (*original)(const CvCity*, int, UnitTypes), const CvCity* self, int iExtra, UnitTypes eUnit);CivRegisterBefore<CivHooks::CvCity_getExtraProductionDifference_with_int_UnitTypes_const>(host, &BeforeCvCity_getExtraProductionDifference_with_int_UnitTypes_const);CivRegisterAfter<CivHooks::CvCity_getExtraProductionDifference_with_int_UnitTypes_const>(host, &AfterCvCity_getExtraProductionDifference_with_int_UnitTypes_const);CivRegisterReplace<CivHooks::CvCity_getExtraProductionDifference_with_int_UnitTypes_const>(host, &ReplaceCvCity_getExtraProductionDifference_with_int_UnitTypes_const);