startup

-- energy control by XdaanbanaanX --
        -- slave programm --

-- options --
modemSide = "back"
monitorSide = "right"
slaveID1 = 1060
slaveID2 = 1062
slaveID3 = 1063
slaveID4 = 1059

-- definitions --
rednet.open(modemSide)
mon = peripheral.wrap(monitorSide)
maxCapacity = 5010000000

-- monitor --

defaultBgColor = colors.black
textScale      = 4
headerColor    = colors.blue
btnTextColor   = colors.yellow

term.clear()
term.setCursorPos(1,1)
mon.setBackgroundColor(defaultBgColor)
mon.setTextScale(textScale)
mon.clear()


-- functions --
function monitor()
  w, h = mon.getSize()
  percentage = tonumber((energyStored / maxCapacity) *100)
  percentage = string.match(tostring(percentage),'[^%.]+')

  mon.setCursorPos((w-string.len(percentage .. "%"))/2+0,4)

  mon.clearLine()
  mon.setTextColor(2)
  mon.write(percentage .. "%")

  mon.setCursorPos((w-string.len("Energy: "..energyStored))/2+4,6)

  mon.clearLine()
  mon.setTextColor(512)
  mon.write("Energy: ")
  mon.setTextColor(2)
  mon.write(string.match(tostring(energyStored),'[^%.]+') .. " MJ")

  mon.setCursorPos((w-string.len("  Size: "..maxCapacity))/2+0,7)

  mon.clearLine()
  mon.setTextColor(512)
  mon.write("  Size: ")
  mon.setTextColor(2)
  mon.write(string.match(tostring(maxCapacity),'[^%.]+') .." MJ")
end

function heading(text)
  w, h = mon.getSize()
  mon.setTextColor(headerColor)
  mon.setCursorPos((w-string.len(text))/2+1, 1)
  mon.write(text)
end


-- code --
energy1 = 0
energy2 = 0
energy3 = 0
energy4 = 0

while true do
  event, senderId, message, distance = os.pullEvent("rednet_message")

  if senderId == slaveID1 then
    energy1 = message
  elseif senderId == slaveID2 then
    energy2 = message
  elseif senderId == slaveID3 then
    energy3 = message
  elseif senderId == slaveID4 then
    energy4 = message
  end

  energyStored = energy1 + energy2 + energy3 + energy4
  monitor()
  print(energyStored)
  sleep(0,1)
end