botLiving.lua

local growingSpeed = 31 -- 31 when using , else 61
local growingCount = 0

local function getEmpty()
    -- find the first empty slot and return the slot number
    local rc = false
    local slot = 0
    while not rc and slot <= 16 do
        slot = slot + 1
        if turtle.getItemCount(slot) == 0 then
            rc = slot
        end
    end
    return rc
end

local function place(pSlot)
    local s = turtle.getSelectedSlot()
    turtle.select(pSlot)
    turtle.place()
    turtle.select(s)
    growingCount = growingCount + 1
end

local function digDrop()
    local s = turtle.getSelectedSlot()
    local u = getEmpty()
    turtle.select(u)
    turtle.dig()
    turtle.dropDown()
    turtle.select(s)
    growingCount = growingCount - 1
end

local grow = {
    ['grow'] = true,
    ['grown'] = false,
    ['action'] = place
}

local grown = {
    ['grow'] = false,
    ['grown'] = true,
    ['action'] = digDrop
}

local items = {
    ['minecraft:log']       = grow,
    ['minecraft:logs']      = grow,
    ['minecraft:oak_log']   = grow,
    ['minecraft:stone']     = grow,
    ['botania:livingwood']  = grown,
    ['botania:livingrock']  = grown
}

local function tidyUp()
    for i = 1, 16 do
        if turtle.getItemCount(i) > 0 then
            local iData = turtle.getItemDetail(i)
            if type(items[iData.name]) == 'table' then
                if not items[iData.name].grow then
                    turtle.dropDown()
                end
            else
                turtle.dropDown()
            end
        end
    end
end

local function getItem()
    for i = 1, 16 do
        if turtle.getItemCount(i) > 0 then
            local iData = turtle.getItemDetail(i)
            if type(items[iData.name]) == 'table' then
                if items[iData.name].grow then
                    items[iData.name].action(i)
                    return true
                else
                    turtle.dropDown()
                end
            else
                turtle.dropDown()
            end
        end
    end
    return false
end

--START MAIN

tidyUp()

while true do
    for m = 1, 4 do
        turtle.turnRight()
        local rc, tData = turtle.inspect()
        if tData.name ~= nil then
            --There is a block
            if type(items[tData.name]) == 'table' then
                if items[tData.name].grown then
                    items[tData.name].action()
                    turtle.suckUp(1)
                    getItem()
                elseif items[tData.name].grow then
                    -- do nothing, wait
                else
                    --Unknown block, mine it
                    digDrop()
                end
            else
                --Unknown block, mine it
                digDrop()
            end

        else
            --no block, Look for an eligible item in inventory
            if not getItem() then
                tidyUp()
                turtle.suckUp(1)
                getItem()
            end
        end
    end
    if growingCount == 4 then
        os.sleep(growingSpeed)
    else
        os.sleep(2)
        growingCount = 0
    end
end