Turtle_line_online_Marech

--created by Marech
--Turtle program for Minecraft

rednet.open("right")

function clc()
        term.clear()
        term.setCursorPos(1,1)
end

function goForward()
    i=0
    while not turtle.forward() and i<30 do
        turtle.attack()
        turtle.dig()
        i=i+1
    end
    turtle.digUp()
end

function placeLight()

    i = getSlotOf('minecraft:torch')
    if i == 0 then
        display('Plus de torches')
    else
        turtle.select(i)
        turtle.back()
        turtle.turnLeft()
        turtle.placeUp()
        turtle.turnRight()
        goForward()
    end
end

function refuel()
    if turtle.getFuelLevel() ~= "unlimited" and turtle.getFuelLevel() < 1 then
        i = getSlotOf('minecraft:coal')
        if i ~= 0 then
            turtle.select(i)
            turtle.refuel(1)
            display('refuel')
        else
            turtle.select(1)
            if not turtle.refuel(0) then
                display('Need fuel in slot 1')
            end

            while turtle.refuel(0) == false do
            end

            turtle.refuel(1)
        end

    end
end

function getSlotOf(itemID)
    for i=1,16 do
        turtle.select(i)
        local details = turtle.getItemDetail()
        if details ~= nil then
            if details.name == itemID then
                display(details.name .. ' au slot' .. i)
                return i
            end
        end
    end
    return 0
end

function dropItems()
    i = getSlotOf('minecraft:cobblestone')
    if i ~= 0 then
        turtle.select(i)
        turtle.drop()
    end
end

function backHome()
    display('Je rentre a la maison')
    turtle.turnRight()

    for i=1, lines*3 do
        goForward()
    end
end

function display(message)
    print(message)
    rednet.broadcast(message)
end


--Script------


clc()
print('Hello there !')
print()

write('Longueur ?')
print()
length = read()

write('Nombre de lignes ? (Nombre pair)')
print()
lines = read()

if lines%2 == 1 then
    print('On a dit un nombre pair !')
    print()
    lines = lines+1
    print('On va dire ' .. lines .. ' lignes du coup')
end

display('Lets go !')
print()

for i=1, lines do
    for j=0,length-1 do
        dropItems()
        refuel()
        goForward()

        if j%20 == 0 then
            placeLight()
        end
    end

    if i%2 == 1 then
        turtle.turnLeft()
        goForward()
        goForward()
        goForward()
        turtle.turnLeft()
    else
        turtle.turnRight()
        goForward()
        goForward()
        goForward()
        turtle.turnRight()
    end

    display('Ligne suivante')
end

backHome()

display('End')