startup

chest = peripheral.wrap("gold_0")
redstoneRed = false
extractor = peripheral.wrap("right")
grinder = peripheral.wrap("Grinder_0")
grinderGearbox = peripheral.wrap("AdvancedGears_0")
while true do
  chest.condenseItems()
  anItem = chest.getStackInSlot(chest.getInventorySize())
  if anItem then
    redstoneRed = false
    print("Found an item in last slot, starting engines")
    processing = true
  end
  slot1, slot2, slot3, slot4, slot5, slot6, slot7, slot8, slot9 = extractor.printInv()
  if slot1 == "Empty" and slot2 == "Empty" and slot3 == "Empty" and slot4 == "Empty" and slot5 == "Empty" and slot6 == "Empty" and slot7 == "Empty" and slot8 == "Empty" then
    redstoneRed = true
    print("All done")
    processing = false
  end
  if ( slot2 ~= "Empty" or slot3 ~= "Empty" ) and slot7 == "Empty" then
    redstoneBrown = true
    print("Speeding up for slow sections")
  else
    redstoneBrown = false
  end
  a = grinder.printInv()
  if a ~= "Empty" then
    redstonePurple = true
    print("Stuff to grind")
  else
    redstonePurple = false
  end
  a,b = grinderGearbox.getEnergy()
  if a < 1000000000 and redstoneRed then
    redstonePurple = false
    redstoneRed = false
    redstoneBlue = true
    print("Grinder gearbox under half, starting engines to charge")
  else
    redstoneBlue = false
    if a > 2000000000 and processing == false then
      print("Engines not needed, turning off")
      redstoneRed = true
    end
  end
  redstoneOutput = 0
  if redstoneRed then
    redstoneOutput = redstoneOutput + colors.red
  end
  if redstoneBlue then
    redstoneOutput = redstoneOutput + colors.blue
  end
  if redstonePurple then
    redstoneOutput = redstoneOutput + colors.purple
  end
  if redstoneBrown then
    redstoneOutput = redstoneOutput + colors.brown
  end
  redstone.setBundledOutput("bottom", redstoneOutput)
  os.sleep(4)
  print("Looping")
end