farm.lua

-- Automated Crop Farm Script
-- Configure the field dimensions
print('Input field width:')
local fieldHeight = tonumber(read())
print('Input field height:')
local fieldWidth = tonumber(read())
print('Input wait time:')
local waitTime = tonumber(read()) or 240

local crop = turtle.getItemDetail(1)

-- Function to plant crops
local function plant()
    for i = 2, 16 do
        local item = turtle.getItemDetail(i)
        if item and item.name == crop.name then
            turtle.select(i)
            if not turtle.detectDown() and turtle.getItemCount() > 0 then
                turtle.placeDown()
            end
            break
        end
    end
end

-- Function to harvest crops
local function harvest()
    if turtle.detectDown() then
        local success, data = turtle.inspectDown()
        if success and data.state and data.state.age == 7 then
            turtle.digDown()
        end
    end
    plant()
end

-- Refuel if needed
local function refuel()
    for i = 2, 16 do
        local item = turtle.getItemDetail(i)
        if item then
            turtle.select(i)
            for _ = 1, item.count do
                turtle.refuel()
            end
        end
    end
end

-- Unload inventory into chest
local function unload()
    for i = 1, 16 do
        turtle.select(i)
        if i == 1 then
            turtle.dropUp(turtle.getItemCount()-1)
        else
            turtle.dropUp()
        end
    end
end

-- Main loop for farming
local function farm()

    local fuelLevel = turtle.getFuelLevel()
    if fuelLevel < fieldWidth*fieldHeight*1.25 then
        print("Not enough fuel. Current fuel: " .. fuelLevel)
        return
    end

    for y = 1, fieldHeight do
        for x = 1, fieldWidth - 1 do
            harvest()
            turtle.forward()
        end
        harvest()

        -- Turn at the end of a row
        if y < fieldHeight then
            if y % 2 == 1 then
                turtle.turnRight()
                turtle.forward()
                turtle.turnRight()
            else
                turtle.turnLeft()
                turtle.forward()
                turtle.turnLeft()
            end
        end
    end

    -- Return to start
    if fieldHeight % 2 == 1 then
        turtle.turnLeft()
        for i = 1, fieldHeight - 1 do
            turtle.forward()
        end
        turtle.turnRight()
        for i = 1, fieldWidth - 1 do
            turtle.back()
        end
    else
        turtle.turnRight()
        for i = 1, fieldHeight - 1 do
            turtle.forward()
        end
        turtle.turnRight()
    end

    -- Unload inventory
    unload()
end

-- Start farming loop
while true do
    refuel()
    farm()
    os.sleep(waitTime) -- Wait for crops to grow
end