-- ( HOLZ) --

fuellevel = 100
count = 0
treeblock = "minecraft:log"
chestdistance = 5

function fell()
  count = count + 1
  print("Baum Nr. " ..count.. " wird gefaellt!")
  while(turtle.forward()==false) do
    turtle.dig()
  end
  success, data = turtle.inspectUp()
  while(success and data.name==treeblock) do
    turtle.digUp()
    turtle.up()
    success, data = turtle.inspectUp()
  end
  while(turtle.down()) do end
  while(turtle.back()==false) do end
end

function place()
  turtle.select(2)
  turtle.place()
  turtle.select(1)
end

function collect()
  turtle.suck()
  while(turtle.down()==false) do end
  turtle.suckDown()
  sleep(1)
  turtle.suckDown()
  sleep(1)
  turtle.suckDown()
  sleep(1)
  while(turtle.up()==false) do end
end

function refuel()
  if(turtle.getFuelLevel() < fuellevel) then
    turtle.select(16)
    turtle.refuel(1)
	wride("Aufgetankt")
  end
end

function forward()
  while(turtle.forward()==false) do end
end

function unload()
  if(turtle.getItemCount(16) > 0) then
    turtle.turnRight()
    turtle.turnRight()
    for i=1, chestdistance do
      forward()
    end
    for i=3,16 do
      turtle.select(i)
      turtle.drop(64)
    end
    turtle.turnRight()
    turtle.turnRight()
    for i=1, chestdistance do
      forward()
    end
  end
end

while(true) do
  turtle.select(1)
  success, data = turtle.inspect()
  if(success and data.name==treeblock) then
	refuel()
    fell()
    place()
    sleep(5)
    collect()
    refuel()
    unload()
	else
	wride("Kein Baum")
  end
end