Hooks
static bool BeforeCvUnit_changeUpgradeDiscount(CvUnit* self, int iChange);static void AfterCvUnit_changeUpgradeDiscount(CvUnit* self, int iChange);static void ReplaceCvUnit_changeUpgradeDiscount(void (*original)(CvUnit*, int), CvUnit* self, int iChange);CivRegisterBefore<CivHooks::CvUnit_changeUpgradeDiscount>(host, &BeforeCvUnit_changeUpgradeDiscount);CivRegisterAfter<CivHooks::CvUnit_changeUpgradeDiscount>(host, &AfterCvUnit_changeUpgradeDiscount);CivRegisterReplace<CivHooks::CvUnit_changeUpgradeDiscount>(host, &ReplaceCvUnit_changeUpgradeDiscount);