mina25.lua

-- Tamaño del área a minar
local width = 25
local length = 25
local height = 3

local progressFile = "progress.txt"

-- Obtener progreso guardado
function loadProgress()
    if fs.exists(progressFile) then
        local file = fs.open(progressFile, "r")
        local data = textutils.unserialize(file.readAll())
        file.close()
        return data.x, data.z
    end
    return 1, 1
end

-- Guardar progreso actual
function saveProgress(x, z)
    local file = fs.open(progressFile, "w")
    file.write(textutils.serialize({x = x, z = z}))
    file.close()
end

-- Verificar y recargar combustible si es necesario
function checkFuel()
    while turtle.getFuelLevel() < 100 do
        for i = 1, 16 do
            turtle.select(i)
            if turtle.refuel(0) then
                turtle.refuel()
            end
        end

        if turtle.getFuelLevel() < 100 then
            print("Pon carburante crack")
            os.sleep(10)
        end
    end
end

-- Minar la columna 3x1 (frente, arriba y abajo)
function mineColumn()
    turtle.digDown()
    turtle.dig()
    turtle.digUp()
end

-- Mover hacia adelante asegurando cavado
function smartForward()
    while not turtle.forward() do
        turtle.dig()
    end
end

-- Volver al inicio de la fila siguiente (zigzag)
function turnToNextRow(z)
    if z % 2 == 1 then
        turtle.turnRight()
        smartForward()
        turtle.turnRight()
    else
        turtle.turnLeft()
        smartForward()
        turtle.turnLeft()
    end
end

-- Volver al inicio si se detuvo
function returnToStart(x, z)
    local facingEast = (z % 2 == 1)
    if not facingEast then
        turtle.turnLeft()
        turtle.turnLeft()
    end
    for i = 1, x - 1 do
        smartForward()
    end
    turtle.turnRight()
    for i = 1, z - 1 do
        smartForward()
    end
    turtle.turnLeft()
end

-- Main loop
function mineArea()
    local startX, startZ = loadProgress()
    returnToStart(startX, startZ)

    for z = startZ, length do
        for x = startX, width do
            checkFuel()
            mineColumn()
            if x < width then
                smartForward()
            end
            saveProgress(x, z)
        end

        if z < length then
            turnToNextRow(z)
        end

        startX = 1 -- Para nuevas filas, empezar desde el inicio
    end

    print("Minería completada.")
    fs.delete(progressFile)
end

mineArea()