baumfarm

function checkWood()
    turtle.select(2)
    if turtle.compare()==true then
        return true
    else
        return false
    end
end

function checkSapling()
    while turtle.getItemCount(1)<1 do
        print("Bitte mindestens einen Saetzling in den 1. Slot geben!")
        os.sleep(10)
    end
end

function checkFuel()
    while turtle.getFuelLevel()<=20 do
        turtle.select(2)
        while turtle.refuel(1)==false do
            print("Bitte etwas Treibstoff in den 2. Slot geben!")
            os.sleep(10)
        end
    end
end

function safeDig()
    while turtle.dig() do
    end
end

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

function safeUp()
    while turtle.up()==false do
        turtle.attackUp()
    end
end

function fellTree()
    safeDig()
    safeForward()
    while turtle.detectUp()==true do
        turtle.digUp()
        safeUp()
    end
    while turtle.down() do
    end
    turtle.back()
    turtle.select(1)
    turtle.place()
    os.sleep(250)
    turtle.down()
    turtle.down()
    safeForward()
    turtle.suckDown()
    turtle.back()
    safeUp()
    safeUp()

end

function turnAround()
    turtle.turnLeft()
    turtle.turnLeft()
end

function fillChest()
    turnAround()
    while turtle.forward()==true do
    end
    for i=3,16,1 do
        turtle.select(i)
        turtle.drop()
    end
    turnAround()
    while turtle.forward()==true do
    end
end

function main()
    checkSapling()
    turtle.select(1)
    turtle.place()
    while true do
        checkSapling()
        checkFuel()
        while checkWood()==false do
        os.sleep(2)
        end
        fellTree()
        if turtle.getItemCount(16)>0 then
            fillChest()
        end
    end
end

main()