local function clear()
 term.clear()
  term.setCursorPos(1,1)
  end

local height = 0
 i = 4

local function otherTrees()

   if turtle.detectUp() then
    turtle.digUp()
    end
   while turtle.detect() do
    turtle.dig()
    turtle.up()
if turtle.detectUp() then
    turtle.digUp()
    end
	height = height + 1
	end
	end



local function jungleTree()

   while placement == true do
	 turtle.dig()
	 turtle.forward()
	 turtle.turnRight()
	 turtle.dig()
	 turtle.forward()
	 turtle.turnRight()
	 turtle.dig()
	 turtle.forward()
	 turtle.digUp()
	 turtle.up()
	 turtle.turnRight()
	 height = height + 1
	    if turtle.detectUp() then
         i = i
		 else
		  i = i - 1
       end
	   if i == 0 then
	   placement = false
	   end
	 end

	end
	 placement = false

  clear()


print( "Which kind of tree am I looking at? (type the number of the tree)" )
print("1>Oak"  )
print("2>Birch"  )
print("3>Spruce" )
print("4>Jungle" )

tree = io.read()
tree = tonumber( tree )
sleep(.3)

clear()

if tree == 4 then
 print("Felling a Jungle Tree")
 turtle.dig()
 turtle.forward()
 turtle.turnLeft()
  if turtle.detect() then
   placement = true
   else
    turtle.turnRight()
	placement = true
	end

	while placement == true do
     jungleTree()
	 if i == 0 then
	  placement = false
	  end
	  end


elseif tree == 1 or tree == 2 or tree == 3 then
 print("Lumberjack mode activated...")
 otherTrees()
else
  print("Not a valid option")
end

	 print( "Tree was "..height.." blocks tall" )
	  while height > 0 do
	   turtle.down()
	    height = height - 1
		end