player.execute("/gamerule spawnRadius 0")
etap1 = False
etap2 = False

def parkour():
    player.execute("/setworldspawn " + player.position())
    builder.teleport_to(pos(5, 0, 0))
    builder.face(EAST)
    builder.shift(70, 70, 0)
    builder.line(PURPUR_STAIRS)
    builder.mark()
    builder.shift(2, 0, -4)
    builder.fill(DIAMOND_BLOCK)
player.on_chat("start", parkour)


def etap_1_i_2(rodzaj_toru, rodzaj_checkpointu):
    for i in range(randint(10, 15)):
        przod = randint(2, 3)
        bok = randint(-1, 1)
        wysokosc = randint(-1, 1)
        dlugosc = randint(0, 3)
        builder.shift(przod, wysokosc, bok)
        builder.mark()
        builder.move(FORWARD, dlugosc)
        builder.line(rodzaj_toru)
    builder.mark()
    builder.shift(2, 0, -4)
    builder.fill(rodzaj_checkpointu)


#pętla sterująca ładowaniem etapów
while True:
    if blocks.test_for_block(DIAMOND_BLOCK, pos(0, -1, 0)) and not etap1:
        player.execute("/setworldspawn " + player.position())
        etap1 = True
        etap_1_i_2(STONE, GOLD_BLOCK)
    elif blocks.test_for_block(GOLD_BLOCK, pos(0, -1, 0)) and not etap2:
        player.execute("/setworldspawn " + player.position())
        etap2 = True
        etap_1_i_2(GLOWSTONE, BEDROCK)