tap

height = 0
chopped = 0
function grow()
  print("Growing")
  turtle.select(2)
  turtle.place()
  turtle.select(4)
  while not turtle.compare() do
    turtle.select(3)
    turtle.place()
    turtle.select(4)
  end
end

function adjust()
  print("Adjusting")
  turtle.turnRight()
  turtle.dig()
  turtle.forward()
  turtle.turnLeft()
  turtle.dig()
  turtle.forward()
  turtle.turnLeft()
end

function tapUp1()
  print("Tapping up 1")
  turtle.select(4)
  while turtle.compare() do
    turtle.select(5)
    turtle.place()
    turtle.digUp()
    turtle.up()
    turtle.select(4)
    height = height + 1
  end
  print("Height " .. height)
  turtle.dig()
end

function tapUp2()
  print("Tapping up 2")
  turtle.select(5)
  for i=2,height do
    turtle.place()
    turtle.digUp()
    turtle.up()
  end
end

function tapDown1()
  print("Tapping down 1")
  turtle.select(5)
  for i=1,height do
    turtle.digDown()
    turtle.down()
    turtle.place()
  end
end

function tapDown2()
  print("Tapping down 2")
  turtle.select(5)
  for i=2,height do
    turtle.place()
    turtle.dig()
    turtle.digDown()
    turtle.down()
  end
end

function treeTap()
  grow()
  tapUp1()
  adjust()
  tapDown1()
  adjust()
  tapUp2()
  adjust()
  tapDown2()
  adjust()

  chopped = chopped + 1
  print("Chopped " .. chopped)
end

function getBoneMeal()
  print("Getting bone meal")
  turtle.turnLeft() turtle.turnLeft()
  turtle.forward() turtle.forward() turtle.forward()
  turtle.select(3)
  turtle.suck(48)
  turtle.turnLeft() turtle.turnLeft()
  turtle.forward() turtle.forward() turtle.forward()
end

function getCoal()
  print("Getting coal")
  turtle.turnLeft()
  turtle.forward() turtle.forward()
  turtle.turnLeft()
  turtle.forward() turtle.forward() turtle.forward()
  turtle.select(1)
  turtle.suck(48)
  turtle.turnLeft() turtle.turnLeft()
  turtle.forward() turtle.forward() turtle.forward()
  turtle.turnRight()
  turtle.forward() turtle.forward()
  turtle.turnLeft()
end

function restock()
  if turtle.getItemCount(1) < 4 then
    getCoal()
  end
  if turtle.getItemCount(3) < 16 then
    getBoneMeal()
  end
end

function refuel()
  if turtle.getFuelLevel() < 50 then
    turtle.select(1)
    turtle.refuel(4)
  end
end

turtle.select(6)
while turtle.compareDown() do
  refuel()
  restock()
  treeTap()
  height = 0
  turtle.select(6)
end

print("Terminated after chopping " .. chopped)