-- simple tree cutter

-- by pegasus@pimpninjas.org

-- thanks to Gopher/#computercraft

-- for the redstone trick

-- thanks to Lyqyd/#computercraft

-- for the os.pullEvent idea

print("this is woodcutter v8")

function cutDownTree()

if turtle.compare() then return end

if 0 ~= turtle.getItemCount(1) then

turtle.dig()

turtle.place()

else turtle.dig() end

for i = 1, 6 do

turtle.digUp()

turtle.up()

turtle.dig()

end

for i = 1, 6 do turtle.down() end

end

function wait ()

rs.setOutput("back", true)

os.pullEvent("redstone")

rs.setOutput("back", false)

end

rs.setOutput("front", true)

rs.setOutput("top", true)

turtle.turnRight()

turtle.turnLeft()

while 12 < turtle.getFuelLevel() do

if redstone.getInput("front") then

cutDownTree()

end

wait()

end