farmer-turtle

--farmer turtle

function isEmpty()
  for i = 1,16 do
    if ( turtle.getItemCount(i) > 0 ) then
      return false
    end
  end
  return true
end

function refuel()
  if ( turtle.getFuelLevel() < 5000 ) then
    for i = 1, 16 do
      turtle.select(i)
      if turtle.refuel(0) then -- if it's valid fuel
        turtle.refuel()
      end
    end
  end
end

function unload()
  for i = 1,16 do
    turtle.select(i)
    turtle.dropDown()
  end
end

function uturn()
  turtle.turnRight()
  turtle.turnRight()
end

function f(dist)
  print("[going forward] blocs left : "..dist)
  if ( dist > 1) then
    if ( turtle.detect() ) then
          turtle.dig()
        end
        turtle.forward()
        f(dist-1)
  end
end

function u(dist)
  print("[going up] blocs left : "..dist)
  if ( dist > 1) then
    if ( turtle.detectUp() ) then
          turtle.digUp()
        end
        turtle.up()
        u(dist-1)
  end
end

function d(dist)
  print("[going down] blocs left : "..dist)
  if ( dist > 1) then
    if ( turtle.detectDown() ) then
          turtle.digDown()
        end
        turtle.down()
        d(dist-1)
  end
end

function farmPumpkin(nb)
  --going through a row of pumpkin
  f(nb)
  --get back to starting point
  uturn()
  f(nb)
  --resetting position for next run
  uturn()
  --unload turtle inv in a chest below
  unload()
end

function farmMelon(nb)
  --same thing as farm Pumpkin, we call the method
  farmPumpkin(nb)
end

function farmSugarCanes(nb)
  --y+2 : farming top layer
  u(2)
  f(nb)
  --y+1 : farming middle layer as we get back to the starting point
  uturn()
  d(1)
  f(nb)
  --resetting position for next run
  uturn()
  d(1)
  --unload turtle inv in a chest below
  unload()
end

function farmGrassField
end

if ( isEmpty() ) then
  while true do
    -- farm function call
    sleep(10)
  end
end