Turtule_v1

local tArgs = { ... }
if #tArgs ~= 1 then print ("Tunnel <profondeur>") return end

local lenght = tonumber( tArgs[1] )
if lenght <1 then print("la profondeur soir être un nombre psotif") return end


local function rotate90(str)
    if type(str) ~= "string" then print("Invalide str") return end
    if str == "R" then
        turtle.turnRight()
        turtle.turnRight()
    elseif str == "L" then
            turtle.turnLeft()
            turtle.turnLeft()
    else
            error("Mauvaise direction")
    end
end

local function minigL(str)
    if turtle.turnLeft() then
        turtle.dig(str)
        rotate90("L")
        if turtle.detect() then
            turtle.dig(str)
            turtle.turnLeft()
        end
    end
end

local function oil()

    if turtle.getFuelLevel() < turtle.getFuelLimit() then
        turtle.refuel()
    end
end

local function try_dig(str) ---On prend la position
    if type(str) ~= "string" then print("Invalide str") return end
    if str == "D" then
        while turtle.detectDown() do
            if turtle.digDown() then
                sleep(0.5)
            else
                return false
            end
        end
    elseif str == "U" then
        while turtle.detectUp() do
            if turtle.digUp() then
                sleep(0.5)
            else
                return false
            end
        end
    elseif str == "F" then
        while turtle.detect() do
            if turtle.dig() then
                sleep(0.5)
            else
                return false
            end
        end
    else
        error("Erreur")
    end
    return true
end

local function try_UpDown(str)
    if type(str) ~= "string" then print("Invalide str") return end
    oil()
    if str == "D" then
        while not(turtle.down()) do
            if turtle.detectDown() then
                if not(try_dig(str)) then
                    return false
                end
            else
                sleep(0.5)
            end
        end
        return true
    elseif str == "U" then
        while not(turtle.up()) do
            if turtle.detectUp() then
                if not(try_dig(str)) then
                    return false
                end
            else
                sleep(0.5)
            end
        end
        return true
    elseif str == "F" then
        while not(turtle.forward()) do
            if turtle.detect() then
                if not(try_dig(str)) then
                    return false
                end
            else
                sleep(0.5)
            end
        end
        return true
    else
        error("Erreur")
    end
end


for i=1, lenght, 1 do
    try_dig("U")
    turtle.turnLeft()
    try_dig("F")
    try_UpDown("U")
    try_dig("F")
    rotate90("R")
    try_dig("F")
    try_UpDown("D")
    try_dig("F")
    turtle.turnLeft()

    if i<lenght then
        try_dig("F")
        if not(try_UpDown("F")) then
            print("nop")
            break
        else
            print("tunnel finie")
        end
    end

end