chop

function grow()
  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()
  turtle.turnRight()
  turtle.forward()
  turtle.turnLeft()
  turtle.forward()
  turtle.turnLeft()
end

function tapUp1()
  turtle.select(4)
  while turtle.compare() do
    turtle.select(5)
    turtle.place()
    turtle.digUp()
    turtle.up()
    turtle.select(4)
  end
  turtle.dig()
end

function tapUp2()
  turtle.select(5)
  while turtle.detect() do
    turtle.place()
    turtle.digUp()
    turtle.up()
  end
end

function tapDown1()
  turtle.down()
  turtle.select(4)
  while turtle.compare() do
    turtle.select(5)
    turtle.place()
    turtle.digDown()
    turtle.down()
    turtle.select(4)
  end
end

function tapDown2()
  turtle.down()
  turtle.select(4)
  while turtle.compare() do
    turtle.select(5)
    turtle.place()
    turtle.dig()
    turtle.digDown()
    turtle.down()
    turtle.select(4)
  end
end

function chop()
  while turtle.detect() do
    turtle.dig()
    turtle.digUp()
    turtle.up()
  end
    while not turtle.detectDown() do
    turtle.down()
  end
end

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

  print("Chopped")
end

function getBoneMeal()
  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()
  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()
  turtle.select(6)
end