Reaktorraum

local length = 3
local width = 4
local height = 3
local bigness = 1

local g_length = length + 2 * bigness
local g_width = width + 2 * bigness
local g_height = height + 2 * bigness

local nl = 1
local nw = 1
local nh = 1

local l_pos = 1
local w_pos = 1
local h_pos = 1

function turtleF()
    while turtle.detect() == true do
        turtle.dig()
        sleep(1)
    end
    turtle.forward()
end

function turtleD()
    while turtle.detectDown() == true do
        turtle.digDown()
        sleep(1)
    end
    turtle.down()
end

function go_length (l, pos)
    local i = 1
    if nl % 2 == 1 then
    while i<l do
        turtleF()
        pos = pos + 1
        i = i + 1
    end
    else
        while i<l do
            turtleF()
            pos = pos - 1
            i = i + 1
        end
    end
    nl = nl + 1
    return pos
end
function go_width (l, w, h, posl, posw)
    local i = 0
    if h % 2 == 1 then
        if nw % 2 == 1 then
            while i < w do
                posl = go_length(l, posl)
                if posl  == l and i < w - 1 then
                    turtle.turnLeft()
                    turtleF()
                    turtle.turnLeft()
                    posw = posw + 1
                elseif posl == 1 and i < w - 1 then
                    turtle.turnRight()
                    turtleF()
                    turtle.turnRight()
                    posw = posw + 1
                end
                i = i + 1
            end
        else
            while i < w do
                posl = go_length(l, posl)
                if posl  == l and i < w - 1 then
                    turtle.turnLeft()
                    turtleF()
                    turtle.turnLeft()
                    posw = posw - 1
                elseif posl == 1 and i < w - 1 then
                    turtle.turnRight()
                    turtleF()
                    turtle.turnRight()
                    posw = posw - 1
                end
                i = i + 1
            end
        end
    else
        if nw % 2 == 1 then
            while i < w do
                posl = go_length(l, posl)
                if posl  == l and i < w - 1 then
                    turtle.turnRight()
                    turtleF()
                    turtle.turnRight()
                    posw = posw + 1
                elseif posl == 1 and i < w - 1 then
                    turtle.turnLeft()
                    turtleF()
                    turtle.turnLeft()
                    posw = posw + 1
                end
                i = i + 1
            end
        else
            while i < w do
                posl = go_length(l, posl)
                if posl  == l and i < w - 1 then
                    turtle.turnRight()
                    turtleF()
                    turtle.turnRight()
                    posw = posw - 1
                elseif posl == 1 and i < w - 1 then
                    turtle.turnLeft()
                    turtleF()
                    turtle.turnLeft()
                    posw = posw - 1
                end
                i = i + 1
            end
        end
    end
    nw = nw + 1
    local a = {posl, posw}
    return a
end

function go_height (l, w, h, posl, posw, posh)
    local i = 1
    while i < h do
        local pa = go_width (l, w, i, posl, posw)
        posl = pa[1]
        posw = pa[2]

        turtle.turnLeft()
        turtle.turnLeft()
        turtleD()
        i = i + 1
    end
        posh = posh + 1

    local a = {posl, posw, posh}
    return a
end

local b1 = go_height (g_length, g_width, g_height, l_pos, w_pos, h_pos)
local b2 = go_width (g_length, g_width, g_height, l_pos, w_pos)
l_pos = b1[1]
w_pos = b1[2]
h_pos = b1[3]
write(l_pos)
write("\t")
write(w_pos)
write("\t")
print(h_pos)