Formula
CommonFun.calcBuff_4290
function CommonFun.calcBuff_4290(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local A = 0
if srcUser:HasBuffID(8004_CHEF_S_EAGLE_EYE_:MAX_STACK_0) then
A = 1
end
return A
end