Energy Core Computercraft

modem = peripheral.wrap("left")
modem.open(1)

mon = peripheral.wrap("right")
monX, monY = mon.getSize()

local prevEnergyStored = 0
local diff = 0

max = modem.callRemote("draconic_rf_storage_3", "getMaxEnergyStored")
current = modem.callRemote("draconic_rf_storage_3", "getEnergyStored")

print(current)
print(max)



function drawLine(x, y, length, size, color_bar)
    for yPos = y, y+size-1 do
      mon.setBackgroundColor(color_bar)
      mon.setCursorPos(x, yPos)
      mon.write(string.rep(" ", length))
     end
  end

  function drawProg(x, y, length, size, minVal, maxVal)
    drawLine(x, y, length, size, colors.gray)
    local barSize = math.floor((minVal/maxVal)*length)
    drawLine(x, y, barSize, size, colors.green)
  end

while true do

  mon.clear()
  drawProg(25, monY-5, monX-27, 4, current, max)

  max = modem.callRemote("draconic_rf_storage_3", "getMaxEnergyStored")
  current = modem.callRemote("draconic_rf_storage_3", "getEnergyStored")
  percent = current/max*100
  diff = (current - prevEnergyStored)/20

  mon.setCursorPos(25, monY-7)
  mon.setBackgroundColor(colors.black)
  mon.write("["..math.floor(percent).."%]")
  if (diff > 0) then
    mon.setCursorPos(2, monY-5)
    mon.setBackgroundColor(colors.black)
    mon.write("Avg. RF/t: +"..math.floor(diff))
  else
    mon.setCursorPos(2, monY-5)
    mon.setBackgroundColor(colors.black)
    mon.write("Avg. RF/t:  "..math.floor(diff))
  end
  prevEnergyStored = current
  os.sleep(1)
end