void FindConnections(Portal portal, Cluster cluster, bool oriented)
{
Heap<Tile> queue = new Heap<Tile> (Cluster.size * Cluster.size);
HashSet<Tile> visited = new HashSet<Tile> ();
int pcount = cluster.GetPortals ().Count - 1;
foreach (Tile t in portal.GetPortalTiles()) {
t.distance = 0;
queue.Add (t);
}
while (queue.size () > 0 && pcount > 0) {
Tile current = queue.RemoveFirst ();
visited.Add (current);
Portal newPortal = current.GetPortal ();
if (newPortal != null && newPortal != portal) {
if (!portal.ConnectedTo (newPortal) && current.distance>0) {
if (!oriented) {
Portal.Connect (portal, newPortal, current.distance);
} else {
portal.AddNeighbour (newPortal, current.distance);
}
pcount--;
}
}
foreach (Tile nb in cluster.GetNeighbours(current)) {
if (nb == null || nb.cost == 255 || visited.Contains (nb))
continue;
nb.distance = current.distance + 1;
if (!queue.Contains (nb))
queue.Add (nb);
}
}
}