Auto Chop

function getChops()
    local sucked
    write("Collecting items")
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.forward(1)
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.turnLeft()
    turtle.forward(1)
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.turnLeft()
    turtle.forward(1)
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.forward(1)
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.turnLeft()
    turtle.forward(1)
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.forward(1)
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.turnLeft()
    turtle.forward(1)
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.forward(1)
    sucked = turtle.suck()
    while sucked do
        write("Collecting items")
        sucked = turtle.suck()
    end
    write("No more items, moving on.")
    turtle.turnLeft()
    turtle.forward(1)
    turtle.turnRight()

end

function placeBehind()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.place(1)
    turtle.turnLeft()
    turtle.turnLeft()
end

function avoidSapling()
    turtle.turnLeft()
    turtle.forward(1)
    turtle.turnRight()
    turtle.forward(1)
    turtle.forward(1)
    turtle.turnRight()
    turtle.forward(1)
    turtle.turnLeft()
end

function hasSapling()
    local item
    local gotSapling
    gotSapling = false
    if turtle.getItemCount(1) > 0 then
        item = turtle.getItemDetail(1)
        if item.name == "minecraft:sapling" then
            gotSapling = true
        end
    end
    return gotSapling
end

function placeInChest()
    for i = 2,16 do
        turtle.select(1)
        if turtle.getItemCount(i) > 0 then
            if turtle.compare(i) then
                write("Transferring saplings to active slot")
                turtle.transferTo(i)
            else
                write("Dropping off items")
                turtle.select(i)
                turtle.drop()
                turtle.select(i)
            end
        end
    end
end

function getTheFuel()
    local needFuel
    needFuel = True
    for i = 2,16 do
        turtle.select(1)
        if turtle.getItemCount(i) > 0 and needFuel then
            item = turtle.getItemDetail(i)
            write("Found ")
            write(item.name)
            if item.name == "minecraft:log" then
                write("Logs found, refueling")
                turtle.select(i)
                turtle.refuel()
                turtle.select(i)
                needFuel = False
            end
        end
    end
end


local infront
local block

local h
local v
local plant
local sucked
h = 1
v = 1

f = "right"

if turtle.getFuelLevel() < 100 then
    write("low on fuel, refueling")
    getTheFuel()
end

while hasSapling() and turtle.getFuelLevel() > 10 do
    if turtle.getFuelLevel() < 100 then
        write("low on fuel, refueling")
        getTheFuel()
    end
    turtle.select(1)
    while h <= 16 and hasSapling() do
        while v <= 24 and hasSapling() do
            infront, block = turtle.inspect()
            if infront then
                if block.name == "minecraft:sapling" then
                    write("Avoiding Sapling")
                    avoidSapling()
                    v = v + 2
                else
                    if block.name == "minecraft:log" then
                        write("Chopping Tree")
                        turtle.dig()
                        turtle.forward(1)
                        getChops()
                        v = v + 2
                        placeBehind()
                    else
                        write("Weed in way. Killing.")
                        turtle.dig()
                        turtle.forward(1)
                        v = v + 1
                    end
                end
            else
                write("No tree, moving forward")
                turtle.forward(1)
                v = v + 1
                write("Checking for items")
                sucked = turtle.suck()
                while sucked do
                    write("Collecting items")
                    sucked = turtle.suck()
                end
            end
        end
        if f == "right" then
            write("End of Row, proceeding to next row.")
            turtle.turnRight()
            turtle.forward(1)
            h = h + 1
            turtle.turnRight()
            f = "left"
            v = 1
        else
            write("End of Row, proceeding to next row.")
            turtle.turnLeft()
            turtle.forward(1)
            h = h + 1
            turtle.turnLeft()
            f = "right"
            v = 1
        end
    end
    write("End of Cycle, going back to start.")
    turtle.turnLeft()
    write(h)
    while h > 1 do
        turtle.forward(1)
        h = h - 1
        write("Moving back")
        write(h)
    end
    placeInChest()
    turtle.turnRight()
end

write("No more saplings. Stopping auto chopping")