public function __construct($seed = null)
{
if ($seed === null) {
$seed = time();
}
srand($seed);
$cap_e = new Tile("cap-e.png", array("N" => false, "W" => false, "S" => false, "E" => true));
$this->pipes[] = $cap_e;
$cap_n = new Tile("cap-n.png", array("N" => true, "W" => false, "S" => false, "E" => false));
$this->pipes[] = $cap_n;
$cap_s = new Tile("cap-s.png", array("N" => false, "W" => false, "S" => true, "E" => false));
$this->pipes[] = $cap_s;
$cap_w = new Tile("cap-w.png", array("N" => false, "W" => true, "S" => false, "E" => false));
$this->pipes[] = $cap_w;
$ninety_es = new Tile("ninety-es.png", array("N" => false, "W" => false, "S" => true, "E" => true));
$this->pipes[] = $ninety_es;
$ninety_ne = new Tile("ninety-ne.png", array("N" => true, "W" => false, "S" => false, "E" => true));
$this->pipes[] = $ninety_ne;
$ninety_sw = new Tile("ninety-sw.png", array("N" => false, "W" => true, "S" => true, "E" => false));
$this->pipes[] = $ninety_sw;
$ninety_wn = new Tile("ninety-wn.png", array("N" => true, "W" => true, "S" => false, "E" => false));
$this->pipes[] = $ninety_wn;
$straight_h = new Tile("straight-h.png", array("N" => false, "W" => true, "S" => false, "E" => true));
$this->pipes[] = $straight_h;
$straight_v = new Tile("straight-v.png", array("N" => true, "W" => false, "S" => true, "E" => false));
$this->pipes[] = $straight_v;
$tee_esw = new Tile("tee-esw.png", array("N" => false, "W" => true, "S" => true, "E" => true));
$this->pipes[] = $tee_esw;
$tee_nes = new Tile("tee-nes.png", array("N" => true, "W" => false, "S" => true, "E" => true));
$this->pipes[] = $tee_nes;
$tee_swn = new Tile("tee-swn.png", array("N" => true, "W" => true, "S" => true, "E" => false));
$this->pipes[] = $tee_swn;
$tee_wne = new Tile("tee-wne.png", array("N" => true, "W" => true, "S" => false, "E" => true));
$this->pipes[] = $tee_wne;
$cap_e->setRotation($cap_n);
$cap_n->setRotation($cap_s);
$cap_s->setRotation($cap_w);
$cap_w->setRotation($cap_e);
$ninety_es->setRotation($ninety_ne);
$ninety_ne->setRotation($ninety_sw);
$ninety_sw->setRotation($ninety_wn);
$ninety_wn->setRotation($ninety_es);
$straight_h->setRotation($straight_v);
$straight_v->setRotation($straight_h);
$tee_esw->setRotation($tee_nes);
$tee_nes->setRotation($tee_swn);
$tee_swn->setRotation($tee_wne);
$tee_wne->setRotation($tee_esw);
for ($i = 0; $i < 5; $i++) {
$this->choices1[] = $this->getRandomPipe();
}
for ($i = 0; $i < 5; $i++) {
$this->choices2[] = $this->getRandomPipe();
}
}
