ComputerCraft 1.75 - 9x9 Farming - refuel

--@Author: Zach Combs aka TehNoiseBomb
--@Version: 1.2

local inputs = {...}
local fuel  = ... --variable passed in (inputs)

--If the turtle has less than 150 fuel:
-- Turn left, move forward
-- Select the second slot
-- Suck up one item from the block below the turtle
-- If the turtle has less than 80 fuel:
--  Suck up one item from the block below the turtle
-- Refuel the turtle
-- Select the first slot in the turtle's inventory
-- Turn right (twice)
-- Move forward one block
-- Turn right
-- Move forward three blocks
-- Turn left
--Otherwise turn right
--Turtle will now be facing east in the starting position
if fuel < 150 then
 turtle.turnLeft()
 turtle.forward()
 turtle.select(2)
 turtle.suckDown(1)
 if fuel < 80 then
  turtle.suckDown(1)
 end
 turtle.refuel()
 turtle.select(1)
 turtle.turnRight()
 turtle.turnRight()
 turtle.forward()
 turtle.turnRight()
 for i = 0, 2 do
  turtle.forward()
 end
 turtle.turnLeft()
 else turtle.turnRight()
end

--Return the new fuel level of the turtle
return turtle.getFuelLevel()