pfUI:RegisterModule("raid", function ()
  -- do not go further on disabled UFs
  if C.unitframes.disable == "1" then return end

  local default_border = C.appearance.border.default
  if C.appearance.border.unitframes ~= "-1" then
    default_border = C.appearance.border.unitframes
  end

  pfUI.uf.raid = CreateFrame("Button","pfRaid",UIParent)

  for r=1, 8 do
    for g=1, 5 do
      i = g + 5*(r-1)
      pfUI.uf.raid[i] = pfUI.uf:CreateUnitFrame("Raid", i, C.unitframes.raid)
      pfUI.uf.raid[i]:UpdateFrameSize()

      local spacing = pfUI.uf.raid[i].config.pspace
      local width = pfUI.uf.raid[i].config.width
      local height = pfUI.uf.raid[i].config.height
      local pheight = pfUI.uf.raid[i].config.pheight
      local real_height = height + spacing + pheight + 2*default_border

      pfUI.uf.raid[i]:SetPoint("BOTTOMLEFT", (r-1) * (width+3*default_border) + 5, C.chat.left.height + default_border + 10 + (g-1)*(real_height+3*default_border))
      UpdateMovable(pfUI.uf.raid[i])
    end
  end

  pfUI.uf.raid:Hide()
  pfUI.uf.raid:RegisterEvent("RAID_ROSTER_UPDATE")
  pfUI.uf.raid:RegisterEvent("VARIABLES_LOADED")
  pfUI.uf.raid:SetScript("OnEvent", function()
    for i=1, 40 do
      pfUI.uf.raid[i].id = 0
      pfUI.uf.raid[i]:Hide()
    end

    -- sort players into roster
    for i=1, GetNumRaidMembers() do
      local name, _, subgroup  = GetRaidRosterInfo(i)
      if name then
        for subindex = 1, 5 do
          ids = subindex + 5*(subgroup-1)
          if pfUI.uf.raid[ids].id == 0 then
            pfUI.uf.raid[ids].id = i
            pfUI.uf.raid[ids]:Show()
            pfUI.uf:RefreshUnit(pfUI.uf.raid[ids], "all")
            break
          end
        end
      end
    end
  end)
end)