chopper

print( "Mettre des barrels/chests dans le Slot 1..." )
print( "...un stack de sappling dans le Slot 2" )
print( "...du Bonemeal dans le slot 3")
print( "Appuyer une touche pour continuer..." )
os.pullEvent("char")

lvl = 1

turtle.digDown()
turtle.select(1)
turtle.placeDown()

local function ascend()
	turtle.up()
	lvl = lvl + 1
end
local function descend()
	turtle.down()
	lvl = lvl - 1
end
local function grow()
	turtle.select(2)
	turtle.place()
	turtle.select(3)
	turtle.place()
--	ascend()
end
local function chop()
	turtle.select(4)
	turtle.dig()
	turtle.forward()
	while turtle.detectUp() == true do
		print("lvl"..lvl)
--		read()
		turtle.digUp()
		ascend()
	end
	print("lvl "..lvl.." max")
	while lvl > 1 do
		while turtle.detectDown() == true do
			print("detect down")
			turtle.digDown()
		end
		while turtle.detectDown() == false do
			descend()
		end
	end
	turtle.back()
end
local function unload()
	for i = 4, 16 do
		turtle.select(i)
		turtle.dropDown()
	end
end

for t = 1, 64 do
	grow()
	chop()
	unload()
end