Formula

CommonFun.calcBuff_6220

function CommonFun.calcBuff_6220(srcUser, targetUser, a, b, c, d, lv)
  if srcUser == nil or targetUser == nil then
    return 0
  end
  local Hp = srcUser:GetProperty("Hp")
  if srcUser:HasBuffID(20720160_COUNTER_ATTACK_HALO_USES_MAX_HP_:MAX_STACK_0) then
    Hp = srcUser:GetProperty("MaxHp")
  end
  local mapid, maptype = srcUser:GetMapInfo()
  if maptype == PVP_MAPS then
    Hp = Hp * 0.25
  end
  local DefReduc = CommonFun.CalcDef(srcUser, targetUser)
  local DamReduc2 = CommonFun.calcDamReDuc(srcUser, targetUser)
  local RefineDamReduc = targetUser:GetProperty("RefineDamReduc")
  local DamIncrease = srcUser:GetProperty("DamIncrease")
  local skilllv = srcUser:GetLernedSkillLevel(3807_ROYAL_GUARD:COUNTER_ATTACK_HALO)
  local GemValue = srcUser:GetGemValue(72142_COUNTER_ATTACK_HALO_DMG_PERCENTAGE)
  local A = -(Hp * (skilllv * 0.1 + 0.1)) * DefReduc * (1 - DamReduc2) * (1 - RefineDamReduc) * (1 + DamIncrease) * (1 + GemValue / 100000)
  local AttrFunction = srcUser:GetProperty("AttrFunction")
  local bitfunc = CommonFun.getBits(AttrFunction)
  if (targetUser.boss or targetUser.mini or targetUser.changelinepunish) and (targetUser.zoneType == 1 or targetUser.zoneType == 22) and targetUser.noPunishBoss == false and bitfunc[CommonFun.AttrFunction.JustInViceZone] == 1 and targetUser.isBossFromBranch == false then
    A = 0
  end
  if CommonFun.checkAttrFunctionMiss(targetUser, srcUser) then
    A = 0
  end
  if targetUser.boss and targetUser.zoneType == 22 and CommonFun.CheckStormBossMiss(targetUser, srcUser) then
    A = 0
  end
  if targetUser:GetNpcID() == 30043_YEAR or targetUser:GetNpcID() == 280303_WILDNESS_SPIRIT_BEAST or targetUser:GetNpcID() == 56008_GOMORA or targetUser:GetNpcID() == 56009_BALTAN or targetUser:GetNpcID() == 56010_GOLZA or targetUser:GetNpcID() == 56011_BEMSTAR or targetUser:GetNpcID() == 56012_ELEKING or targetUser:GetNpcID() == 56013_KING_JOE then
    A = -1
  end
  if targetUser:DamageAlways1() then
    A = -1
  end
  return A
end