WitherTurtle

--  Oxgon's Wither Boss Spawner

--  First slot soul sand
--  Second slot Wither Skulls

function up()
        while(not turtle.up()) do sleep(1) end
end

function left()
        while(not turtle.turnLeft()) do sleep(1) end
end

function right()
        while(not turtle.turnRight()) do sleep(1) end
end

function back()
        while(not turtle.back()) do sleep(1) end
end

function forward()
        while(not turtle.forward()) do sleep(1) end
end

function down()
        while(not turtle.down()) do sleep(1) end
end

function place()
        while(not turtle.place()) do sleep(1) end
end

function placeDown()
        turtle.placeDown()
        if(not turtle.detectDown()) then placeDown() end
end

function getSoul()                                     -- turtles have no soul
        turtle.select(16)
        turtle.suckDown()
        turtle.transferTo(1,4)
        turtle.dropDown()

end

function getSkull()
        turtle.select(16)
        left()
        turtle.suck()
        turtle.transferTo(2,3)
        turtle.drop()
        right()
end

function home()
        back()
        back()
        back()
        down()
        down()
        down()
        down()
        down()
        forward()
        forward()
        forward()
        forward()
        forward()
        right()
        back()
end


-- Program Start
while (true) do
while(not rs.getInput("right")) do sleep(3) end
getSoul()
getSkull()
up()
up()
up()
turtle.select(1)
place()
up()
place()
left()
forward()
right()
place()
up()
up()
forward()
right()
turtle.select(2)
placeDown()
forward()
placeDown()
forward()
down()
turtle.select(1)
placeDown()
up()
forward()
left()
left()
down()
turtle.select(2)
place()
home()
end