Formula
CommonFun.calcBuff_3471
function CommonFun.calcBuff_3471(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local A = 3
local RefineLv = srcUser:GetEquipedRefineLv(7_WEAPON)
if srcUser:HasBuffID(41890_STALKER_S_KNIFE_:MAX_STACK_0) and 10 <= RefineLv then
A = 5
end
return A
end