CommonFun.CalcRaidDeadBossSummonLevel

function CommonFun.CalcRaidDeadBossSummonLevel(raidtype, param)
  local a = math.random(0, 100)
  local boss_lv = 1
  if raidtype == 5 then
    if param == 1 then
      return 0
    elseif param == 2 then
      boss_lv = 1
    elseif param == 3 then
      if a < 50 then
        boss_lv = 2
      else
        boss_lv = 3
      end
    elseif param == 4 then
      if a < 50 then
        boss_lv = 4
      else
        boss_lv = 5
      end
    end
  end
  return boss_lv
end