gistfile1.java

    public ArrayList<Tile> walkableTiles = new ArrayList<Tile>();
    public ArrayList<Tile> blockedTiles = new ArrayList<Tile>();

    public void fill(Tile init) {
        for (Tile t : Util.getSurrounding(init)) {
            if (Util.canReach(t)) {
                walkableTiles.add(t);
                fill(t);
            } else {
                blockedTiles.add(t);
            }
        }
    }

    public Area getCurrentRoom(Tile init) {
        fill(init);
        if (!walkableTiles.isEmpty()) {
            return new Area(walkableTiles.toArray(new Tile[walkableTiles.size()]));
        } else {
            return new Area(new Tile(0,0,0));
        }
    }

    public LinkedList<Tile> findPath(SceneObject obj, Tile myTile) {
        LinkedList<Tile> tiles = new LinkedList<Tile>();
        if (!getCurrentRoom(myTile).getTileArray()[0].equals(new Tile(0,0,0)) &&
                getCurrentRoom(myTile).contains(obj)) {
            Tile dest = obj.getLocation();
            for (Tile tile : walkableTiles) {
                Tile lowest = dest;
                double low = 99999;
                for (Tile t : Util.getSurrounding(tile)) {
                    if (t.distance(obj) < low) {
                        low = t.distance(obj);
                        lowest = t;
                    }
                }
                if (!lowest.equals(dest))
                    tiles.add(lowest);
            }
        }
        return (tiles.isEmpty()? null : tiles);
    }