farmMC

local fuelLevelToRefuelAt = 5
local refuelItemsToUseWhenRefuelling = 63
local emergencyFuelToRetain = 0

while true do
    os.pullEvent("redstone")
    if rs.getInput("bottom") then
        break
    end
end
local function back(x)
  for i = 1, x do
    turtle.back()
  end
end
local function farm(x)
    for i = 1, x do
        turtle.forward()
        turtle.digDown()
        turtle.placeDown()
    end
end
local function sugar(x)
    for i = 1, x do
        turtle.digDown()
        turtle.dig()
        turtle.forward()
    end
end
local function hedge(x)
    for i = 1, x do
        turtle.dig()
        turtle.digDown()
        turtle.placeDown()
        turtle.forward()
    end
end
local function harvest(x)
    for i = 1, x do
        turtle.dig()
        turtle.dig()
        turtle.forward()

    end
end
local function move(x)
    for i = 1, x do
        turtle.forward()
    end
end

function empty()
    if turtle.detectDown() == true then
        turtle.select(1)
        turtle.dropUp()
        turtle.select(2)
        turtle.dropUp()
        turtle.select(3)
        turtle.dropUp()
        turtle.select(4)
        turtle.dropUp()
        turtle.select(5)
        turtle.dropUp()
        turtle.select(6)
        turtle.dropUp()
        turtle.select(7)
        turtle.dropUp()
        turtle.select(8)
        turtle.dropUp()
        turtle.select(9)
        turtle.dropUp()
    turtle.select(1)
end
end
function ensureFuel()

  -- Determine whether a refuel is required
  local fuelLevel = turtle.getFuelLevel()
  if (fuelLevel ~= "unlimited") then
    if (fuelLevel < fuelLevelToRefuelAt) then
      -- Need to refuel
      turtle.select(16)
      currentlySelectedSlot = 16
      local fuelItems = turtle.getItemCount(16)

      -- Do we need to impact the emergency fuel to continue? (always
      -- keep one fuel item in slot 16)
      if (fuelItems == 0) then
        writeMessage("Completely out of fuel!", messageLevel.FATAL)
      elseif (fuelItems == 1) then
        writeMessage("Out of Fuel!", messageLevel.ERROR)
        turtle.refuel()
      elseif (fuelItems <= (emergencyFuelToRetain + 1)) then
        writeMessage("Consuming emergency fuel supply. "..(fuelItems - 2).." emergency fuel items remain", messageLevel.WARNING)
        turtle.refuel(1)
      else
        -- Refuel the lesser of the refuelItemsToUseWhenRefuelling and the number of items more than
        -- the emergency fuel level
        if (fuelItems - (emergencyFuelToRetain + 1) < refuelItemsToUseWhenRefuelling) then
          turtle.refuel(fuelItems - (emergencyFuelToRetain + 1))
        else
          turtle.refuel(refuelItemsToUseWhenRefuelling)
        end
      end
    end
  end
end


--Wheat and Potatoes
ensureFuel()
back(2)
turtle.turnRight()
move(5)
turtle.turnLeft()
move(15)
turtle.select(14)
turtle.turnLeft()
move(2)
turtle.turnLeft()
farm(5)
turtle.select(15)
farm(4)
turtle.turnLeft()
farm(1)
turtle.turnLeft()
farm(3)
turtle.select(14)
farm(6)
turtle.turnRight()
farm(1)
turtle.turnRight()
farm(5)
turtle.select(13)
farm(4)
turtle.turnLeft()
farm(1)
turtle.turnLeft()
farm(3)
turtle.select(14)
farm(6)
turtle.turnRight()

-- Sugar Canes
turtle.up()
turtle.up()
sugar(9)
turtle.digDown()
turtle.turnRight()
move(1)
sugar(1)
turtle.turnRight()
sugar(9)
turtle.turnLeft()
move(2)
turtle.turnLeft()
sugar(9)
turtle.digDown()
turtle.turnRight()
move(1)
sugar(1)
turtle.turnRight()
sugar(9)
turtle.down()
turtle.turnLeft()
move(3)
turtle.turnLeft()

-- Flax
turtle.select(12)
turtle.dig()
move(1)
turtle.placeDown()
hedge(8)
move(1)
turtle.turnLeft()
turtle.down()
move(1)
turtle.turnLeft()
harvest(9)
--Return to Chest
turtle.up()
move(2)
turtle.turnLeft()
move(7)
turtle.turnRight()
move(5)
turtle.turnRight()
move(2)
empty()
os.sleep(1800)
os.reboot()