Death Stealth

function CommonFun.calcBuff_8160(srcUser, targetUser, a, b, c, d, lv)
  if srcUser == nil or targetUser == nil then
    return 0
  end
  local A = b
  if srcUser:HasBuffID(a) then
    A = c
  end
  return A
end

function CommonFun.calcDamage_9205(srcUser, targetUser, params, damageParam, logger)
  local Str = srcUser:GetProperty("Str")
  local Dex = srcUser:GetProperty("Dex")
  local Luk = srcUser:GetProperty("Luk")
  local Atk = srcUser:GetProperty("Atk")
  local AtkPer = srcUser:GetProperty("AtkPer")
  local DamIncrease = srcUser:GetProperty("DamIncrease")
  local IgnoreDef = 0
  local IgnoreDef1 = srcUser:GetProperty("IgnoreDef")
  local IgnoreDef2 = srcUser:GetProperty("IgnoreEquipDef")
  if targetUser.boss or targetUser.mini then
    IgnoreDef = IgnoreDef1
  else
    IgnoreDef = IgnoreDef1 + IgnoreDef2
  end
  if 1 <= IgnoreDef then
    IgnoreDef = 1
  end
  local Refine = srcUser:GetProperty("Refine")
  local Def2 = targetUser:GetProperty("Def")
  local DefPer2 = targetUser:GetProperty("DefPer")
  local Vit2 = targetUser:GetProperty("Vit")
  local VitPer2 = targetUser:GetProperty("VitPer")
  local DamReduc2 = CommonFun.calcDamReDuc(srcUser, targetUser)
  local RefineDamReduc = targetUser:GetProperty("RefineDamReduc")
  local Hp2 = targetUser:GetProperty("Hp")
  local MaxHp2 = targetUser:GetProperty("MaxHp")
  local damChangePer = damageParam.damChangePer
  local AttrEffect = srcUser:GetProperty("AttrEffect")
  local bits = CommonFun.getBits(AttrEffect)
  local raceparam = CommonFun.CalcRaceParam(srcUser, targetUser, params, damageParam, logger)
  local bodyparam = CommonFun.CalcBodyParam(srcUser, targetUser, params, damageParam, logger)
  local elementparam = CommonFun.CalcElementParam(srcUser, targetUser, params, damageParam, logger)
  local bossparam = CommonFun.CalcBossParam(srcUser, targetUser, params, damageParam, logger)
  local raceparam2 = CommonFun.CalcRaceParam2(srcUser, targetUser, params, damageParam, logger)
  local bodyparam2 = CommonFun.CalcBodyParam2(srcUser, targetUser, params, damageParam, logger)
  local elementparam2 = CommonFun.CalcElementParam2(srcUser, targetUser, params, damageParam, logger)
  local bossparam2 = CommonFun.CalcBossParam2(srcUser, targetUser, params, damageParam, logger)
  local BaseAtk = Str * 2 + math.floor(Str * Str / 100) + math.floor(Dex / 5) + math.floor(Luk / 5)
  local AtkFinal = ((Atk - BaseAtk) * (1 + AtkPer) * CommonFun.ShapeCorrection(srcUser, targetUser) * bodyparam * elementparam * elementparam2 + BaseAtk) * raceparam * bossparam * bossparam2
  local DefReduc = CommonFun.CalcDef(srcUser, targetUser)
  local ShortRangeDamReduc2 = targetUser:GetProperty("ShortRangeDamReduc")
  local Num1 = srcUser:GetRunePoint(90080)
  local RuneDamage = Num1 * 0.08 + 1
  local kerd = 1
  if srcUser:HasBuffID(40672) then
    kerd = 1.5
  end
  local yake2 = 1
  if srcUser:HasBuffID(90002160) then
    yake2 = 1.15
  end
  local RefineLv = srcUser:GetEquipedRefineLv(7)
  local Weapon = srcUser:GetEquipedID(7)
  local targetRace = targetUser.race
  if srcUser:HasBuffID(49320) and srcUser:HasBuffID(49325) then
  elseif srcUser:HasBuffID(49320) then
    targetRace = 2
  end
  local Hand = 1
  if targetRace == 2 and (Weapon == 40744 or Weapon == 140744 or Weapon == 40745 or Weapon == 140745) then
    if 10 <= RefineLv and RefineLv < 15 then
      Hand = 1.05
    elseif 15 <= RefineLv then
      Hand = 1.15
    end
  end
  if targetRace == 2 and srcUser:HasBuffID(90002161) and 5 <= RefineLv then
    Hand = Hand + 0.05
  end
  if srcUser:HasBuffID(22920) then
    yake2 = 1.15 + RefineLv * 0.01
  end
  if targetRace == 2 and srcUser:HasBuffID(22920) then
    if 5 <= RefineLv and RefineLv < 10 then
      Hand = Hand + 0.05
    elseif 10 <= RefineLv and RefineLv < 15 then
      Hand = Hand + 0.05 + 0.05
    elseif 15 <= RefineLv then
      Hand = Hand + 0.05 + 0.05 + 0.1
    end
  end
  local yake = 0
  if targetRace == 2 and srcUser:HasBuffID(24380) and (srcUser:HasBuffID(40690) or srcUser:HasBuffID(22920)) then
    yake = 0.5
  end
  if targetRace == 2 and srcUser:HasBuffID(42490) and (srcUser:HasBuffID(40690) or srcUser:HasBuffID(22920)) then
    yake = 0.5
  end
  local equipRingSD = srcUser:getEquip(CommonFun.PackType.EPACKTYPE_SHADOWEQUIP, CommonFun.EquipPos.EEQUIPPOS_ARMOUR)
  if equipRingSD.id ~= 0 and targetRace == 2 and srcUser:HasBuffLayer(42490, EBUFFERLAYER_SHADOW) and (srcUser:HasBuffID(40690) or srcUser:HasBuffID(22920)) then
    yake = 0.5
  end
  local Enemy = 1
  local skilllv_1 = srcUser:GetLernedSkillLevel(1145)
  if 0 < skilllv_1 and 1 >= srcUser:GetRangeEnemy(3) then
    Enemy = 1 + skilllv_1 * 0.03
    if srcUser:HasBuffID(20910080) then
      DefReduc = 1
      RefineDamReduc = 0
    end
  end
  local GemValue = srcUser:GetGemValue(91041)
  local GemDam = 1 + GemValue / 100000
  local skillID, skillLevel = CommonFun.UnmergeSkillID(params.skillIDAndLevel)
  local yx = 1
  if skillID == 4210 then
    local skilllv_bc = srcUser:GetLernedSkillLevel(480)
    local skilllv_yx = srcUser:GetLernedSkillLevel(4210)
    damChangePer = skilllv_bc * 0.6 + 3
    local skilllv_xjn = srcUser:GetLernedSkillLevel(4224)
    local ShadowNum = srcUser:GetPetCount("ShadowNpc")
    yx = (1 + skilllv_yx * 0.05) * (1 + skilllv_xjn * 0.05 * ShadowNum)
  end
  local A = ((AtkFinal * DefReduc * (1 - DamReduc2) + Refine) * (damChangePer + yake) * (1 - RefineDamReduc) * (1 + DamIncrease - ShortRangeDamReduc2) * RuneDamage - Vit2 * (1 + VitPer2)) * kerd * Hand * Enemy * yake2 * GemDam * yx
  if A <= 1 then
    return 1
  end
  local Hiding = srcUser:GetProperty("Hiding")
  if bits[CommonFun.AttrEffect.Hualiduanjian] == 1 and (Hiding == 1 or bits[CommonFun.AttrEffect.HideStrengthEffect] == 1) then
    return A * 1.5 * 2
  elseif Hiding == 1 or bits[CommonFun.AttrEffect.HideStrengthEffect] == 1 then
    return A * 2
  elseif bits[CommonFun.AttrEffect.Hualiduanjian] == 1 then
    return A * 1.5
  end
  return A
end