Treefarm

function turn()
turtle.turnLeft()
turtle.turnLeft()
end

function refuel()
if turtle.getFuelLevel() < 500 then
    turn()
    turtle.select(15)
    turtle.suck()
    turtle.refuel()
    turn()
end
end

function drop()
turtle.turnLeft()
for i=1, 11 do
    turtle.select(i)
    turtle.drop()
end
turtle.turnRight()
end

function sap()
turtle.turnRight()
turtle.select(16)
turtle.suck(4)
turtle.turnLeft()
turtle.forward()
turtle.place()
turtle.turnLeft()
turtle.forward()
turtle.turnRight()
turtle.place()
turtle.turnLeft()
turtle.back()
turtle.place()
turtle.turnRight()
turtle.back()
turtle.place()
end

function bone()
turtle.select(10)
turlte.suckDown()
turtle.select(16)
while turtle.compare() == true do
    turtle.select(10)
    turtle.place()
    turtle.select(16)
end
turtle.select(1)
turtle.dig()
turtle.forward()
end

function up()
turtle.select(1)
while turtle.compareUp() == true do
    turtle.dig()
    turtle.digUp()
    turtle.up()
end
end

function treel()
turtle.dig()
turtle.digUp()
turtle.up()
trutle.dig()
turtle.turnLeft()
turtle.dig()
turtle.forward()
turtle.turnRight()
for i=1, 3 do
    turtle.dig()
    turtle.digDown()
    turtle.down()
end
turtle.dig()
end

function down()
turtle.select(1)
while turtle.compareDown() == true do
    turlte.digDown()
    turtle.down()
    turtle.dig()
end
end

function reset()
turtle.turnLeft()
turtle.back()
turtle.turnRight()
turtle.back()
end

function go()
while true do
drop()
refuel()
sap()
bone()
up()
treel()
down()
reset()
end
end

function detecthome()
turtle.select(14)
if turtle.compareDown() == true then
    turtle.select(15)
    for i=1, 4 do
        turtle.turnRight()
        if turtle.compare() == true then
            turtle.turnLeft()
            if turtle.detect() == true then
                turtle.dig()
                turtle.forward()
                up()
                treel()
                down()
                reset()
                go()
            end
            go()
        end
    end
end
end

function detecthigh()
turtle.select(1)
if turtle.compareUp == true then
    up()
    treel()
    down()
    reset()
    detecthome()
else
    turtle.up()
    if turtle.compareUp == true then
        up()
        treel()
        down()
        reset()
        detecthome()
    end
end
end

function detecttreel()
if turtle.detectDown() == true then
    turtle.select(13)
    local count=0
    while turtle.compareDown() == true do
        turtle.digDown()
        turtle.down()
        count= count+1
    end
    turtle.select(1)
    if turtle.compareDown() == true then
        for i=1, 5 do
            if turtle.compareDown() == true then
                turtle.digDown()
                turtle.down()
                count= count+1
            end
        end
        for i=1, 2 do
            if turtle.compare() == true then
                for i=1, count do
                    turtle.up()
                end
                for i=1, count do
                    turtle.dig()
                    turtle.down()
                end
                down()
                reset()
                detecthome()
            else
                turtle.turnRight()
            end
        end
        turn()
    end
else
    turtle.select(1)
    for i=1, 5 do
        turtle.down()
    end
    for i=1, 2 do
        if turtle.compare() == true then
            for i=1, 5 do
                turtle.up()
            end
            turtle.dig()
            turtle.turnRight()
            for i=1, 3 do
                turtle.dig()
                turtle.digDown()
                turtle.down()
            end
            down()
            reset()
            detecthome()
        else
            turtle.turnLeft()
        end
    end
    turn()
end
end

function detectlow()
    turtle.select(1)
    if turtle.compareDown() == true then
        down()
        reset()
        detecthome()
    else
        turtle.down()
        if turtle.compareDown() == true then
            down()
            reset()
            detecthome()
        end
    end
end

function detectreset()
turtle.select(12)
if turtle.compareDown() == true then
    turtle.back()
    if turtle.compareDown() == false then
        if turtle.detectDown() == true then
            detecthome()
        else
        turtle.forward()
        turtle.turnRight()
        turtle.back()
            if turtle.detectDown() == true then
                detecthome()
            else
                turn()
                turtle.back()
                turtle.back()
                turtle.turnRight()
                turtle.back()
                detechthome()
        end
        end
    else
        turtle.turnRight()
        turtle.back()
        detechthome()
    end
end
end

function detectsap()
if turtle.getItemCount(16) > 1 then
    if turtle.getItemCount(16) == 5 then
        turtle.select(14)
        if turtle.compareDown == true then
            turtle.select(15)
            for i=1, 2 do
                if turtle.compare() == true then
                    turtle.select(16)
                    turtle.drop(4)
                    turtle.turnLeft()
                    go()
                else
                turtle.turnRight()
                end
            end
            turn()
        end
        turtle.select(12)
        if turtle.compareDown == true then
            turtle.back()
            turtle.turnRight()
            turtle.select(16)
            turtle.drop(4)
            turtle.turnLeft()
            go()
        end
    end
    if turtle.getItemCount(16) == 4 then
        turtle.select(16)
        if turtle.compare() == true then
            turtle.select(16)
            turtle.dig()
            turtle.back()
            turtle.turnRight()
            turtle.drop(4)
            turtle.turnLeft()
            go()
        else
            turtle.back()
            if turtle.detectDown() == true then
                turtle.select(16)
                turtle.turnRight()
                turtle.dig()
                turtle.back()
                turtle.turnRight()
                turtle.drop(4)
                turtle.turnLeft()
                go()
            else
                turtle.select(16)
                turtle.forward()
                turtle.turnLeft()
                turtle.back()
                turtle.turnRight()
                turtle.dig()
                turtle.back()
                turtle.turnRight()
                turtle.drop(4)
                turtle.turnLeft()
                go()
            end
        end
    end
    if turtle.getItemCount(16) == 3 then
        turtle.select(16)
        if turtle.compare() == true then
            turtle.dig()
            turtle.turnLeft()
            turtle.back()
            turtle.turnRight()
            turtle.dig()
            turtle.back()
            turtle.turnRight()
            turtle.drop(4)
            turtle.turnLeft()
            go()
        end
        turtle.turnRight()
        turtle.dig()
        turtle.forward()
        turtle.turnLeft()
        if turtle.compare() == true then
            turtle.dig()
            turtle.turnRight()
            turtle.back()
            turtle.back()
            turtle.turnRight()
            turtle.drop(4)
            turtle.turnLeft()
            go()
        else
            turn()
            turtle.dig()
            turtle.forward()
            turtle.turnLeft()
            turtle.back()
            turtle.back()
            turtle.turnRight()
            turtle.drop(4)
            turtle.turnLeft()
            go()
        end
    end
    if turtle.getItemCount(16) == 2 then
        turtle.select(12)
        if turtle.compareDown() == false then
            turtle.select(16)
            turtle.forward()
            turtle.dig()
            turtle.turnLeft()
            turtle.dig()
            turtle.forward()
            turtle.turnRight()
            turtle.dig()
            turtle.turnLeft()
            turtle.back()
            turtle.turnRight()
            turtle.back()
            turtle.turnRight()
            turtle.drop(4)
            turtle.turnLeft()
            go()
        else
            turtle.select(16)
            turtle.turnRight()
            if turtle.compare() == true then
                turtle.dig
                turtle.turnLeft()
                turtle.dig()
                turtle.forward()
                turtle.turnRight()
                turtle.dig()
                turtle.turnLeft()
                turtle.back()
                turtle.turnRight()
                turtle.back()
                turtle.turnRight()
                turtle.drop(4)
                turtle.turnLeft()
                go()
            else
                turtle.turnLeft()
                turtle.dig
                turtle.turnLeft()
                turtle.dig()
                turtle.forward()
                turtle.turnRight()
                turtle.dig()
                turtle.turnLeft()
                turtle.back()
                turtle.turnRight()
                turtle.back()
                turtle.turnRight()
                turtle.drop(4)
                turtle.turnLeft()
                go()
            end
        end
    end
end
turtle.select(16)
if turtle.compare() == true then
    bone()
    up()
    treel()
    down()
    reset()
    go()
end
end

detectsap()
detecthome()
detecthigh()
detecttreel()
detectlow()
detectreset()
detecthome()
os.reboot()