CC Wither Boss Grinder

-- Minecraft Wither Boss Grinder
-- Made possible with MFFS, Redpower 2, and Computercraft.
-- Video: http://youtu.be/-6iaTAtZGfo
-- initial code: http://pastebin.com/5WqJTNs3

--##killing turtle##

function getFuel()
if turtle.getFuelLevel()<=10 then
turtle.select(1)
turtle.refuel(16)
end
end

function kill()
sleep(10)
redstone.setOutput("right",true)
repeat
getFuel()
turtle.attackDown()
until turtle.getItemCount(3)>0
redstone.setOutput("right",false)
end

getFuel()
kill()

--end[this is the end of the code :) ]



--##building turtle


function getFuel()
if turtle.getFuelLevel() <=10 then
turtle.select(1)
turtle.refuel(16)
end
end

function preparation()
getFuel()
turtle.up()
turtle.digUp()
for a=1, 3 do
turtle.up()
end
turtle.back()
turtle.select(3)
turtle.place()
turtle.turnRight()
turtle.forward()
turtle.turnLeft()
turtle.place()
turtle.up()
turtle.select(4)
turtle.place()
getFuel()
turtle.turnLeft()
turtle.forward()
turtle.forward()
turtle.down()
turtle.turnRight()
turtle.select(3)
turtle.place()
turtle.up()
turtle.select(4)
turtle.place()
turtle.down()
turtle.down()
getFuel()
turtle.turnRight()
turtle.forward()
turtle.turnLeft()
turtle.select(3)
turtle.forward()
turtle.down()
turtle.placeUp()
turtle.down()
turtle.select(2)
turtle.placeUp()
turtle.down()
turtle.down()
end

getFuel()
preparation()