Hooks
static bool BeforeCvUnit_getUpgradeDiscount(const CvUnit* self, int& result);static void AfterCvUnit_getUpgradeDiscount(const CvUnit* self, int& result);static int ReplaceCvUnit_getUpgradeDiscount(int (*original)(const CvUnit*), const CvUnit* self);CivRegisterBefore<CivHooks::CvUnit_getUpgradeDiscount>(host, &BeforeCvUnit_getUpgradeDiscount);CivRegisterAfter<CivHooks::CvUnit_getUpgradeDiscount>(host, &AfterCvUnit_getUpgradeDiscount);CivRegisterReplace<CivHooks::CvUnit_getUpgradeDiscount>(host, &ReplaceCvUnit_getUpgradeDiscount);