CommonFun.calcBuff_7901
function CommonFun.calcBuff_7901(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local Num = srcUser:GetBuffLayer(a)
local Num2 = b
local A = Num - Num2
if srcUser:HasBuffID(90004744_HOLY_GLORIOUS_PUNCH_1_T5_:MAX_STACK_0) and 1 < Num then
A = 1
end
return A
end