Turtle_tunnel_Marech

--created by Marech

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

function placeLight()

        i = getSlotOf('minecraft:torch')
        if i == 0 then
                display('Plus de torches')
        else
                turtle.select(i)

                left()
        left()

                turtle.place()

                left()
        left()
        end
        turtle.select(1)
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)
                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
                                return i,details.count
                        end
                end
        end
        return 0
end

function dropItems()
        i,quantity = getSlotOf('minecraft:cobblestone')
        if i ~= 0 and quantity >= 16 then
                turtle.select(i)
                turtle.drop()
        end
        i,quantity = getSlotOf('minecraft:dirt')
        if i ~= 0 and quantity >= 16 then
                turtle.select(i)
                turtle.drop()
        end
        turtle.select(1)
end

function backHome(length)
        display('Je rentre a la maison')

        right()
    right()
    up()

        for i=1, length-1 do
                refuel()
                goForward()
        end

    down()
end

function display(message)
        print(message)
end

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


function forward()
end

function left()
    if not turtle.turnLeft() then
        refuel()
        turtle.turnLeft()
    end
end

function right()
    if not turtle.turnRight() then
        refuel()
        turtle.turnRight()
    end
end

function up()
    if not turtle.up() then
        refuel()
        turtle.up()
    end
end

function down()
    if not turtle.down() then
        refuel()
        turtle.down()
    end
end

function nextStep()

    goForward()

    while turtle.digUp() do
    end

    --gauche
    left()

    while turtle.detect() do
        turtle.dig()
    end

    up()

    while turtle.detect() do
        turtle.dig()
    end

    while turtle.digUp() do
    end

    up()

    turtle.dig()

    right()

    --droite
    right()

    turtle.dig()

    down()

    turtle.dig()

    down()

    while turtle.detect() do
        turtle.dig()
    end

    left()
end



--script-------------------------

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

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


display('Lets go !')
print()

for j=0,length-1 do
    refuel()
    nextStep()

    if j%10 == 0 then
        placeLight()
    end

    if j%5 == 0 then
        dropItems()
    end
end

backHome(length)

display('End')