Single Tree Felling Program -Fixed- Use With Acacia Trees

while true do

local mf = 100

local function checkSaps()
    if turtle.getItemCount(14) <= 1 then
        turtle.select(14)
        turtle.turnLeft()
        turtle.suck()
        turtle.turnRight()
    end
end

local function checkBone()
    if turtle.getItemCount(15) <= 1 then
        turtle.select(15)
        turtle.turnRight()
        turtle.suck()
        turtle.turnLeft()
    end
end

local function checkFuel()
    if turtle.getItemCount(13) <= 5 then
        turtle.select(13)
        turtle.turnRight()
        turtle.turnRight()
        turtle.suck()
        turtle.turnLeft()
        turtle.turnLeft()
    end
end

local function refuel()
    if turtle.getFuelLevel() <= mf then
        turtle.select(13)
        turtle.refuel(1)
    end
end


local function back()
    while not turtle.detect() do
        turtle.down()
    end
end

local function cutTree()
    while turtle.detect(not turtle.compare(16)) do
        turtle.dig()
        turtle.digUp()
        turtle.up()
    end
end

local function check()
    if turtle.detect(turtle.compare(16)) then
        turtle.up()
    else
        cutTree()
    end
end

local function plantTree()
    if turtle.detect() then
        check()
    else
        turtle.select(14)
        turtle.place()
        turtle.select(15)
        turtle.place()
    end
end

local function dumpLoad()
    for i = 1,12 do
        if turtle.detect(turtle.compare(16)) then
            turtle.select(i)
            turtle.dropDown()
        else
            check()
            back()
        end
    end
end

local function run()
    checkSaps()
    checkBone()
    checkFuel()
    refuel()
    plantTree()
    cutTree()
    back()
    dumpLoad()
    check()
end

run()
sleep(90)

end