class Cell {

    public void setDistToTree(List path) {
        Cell accessibleCell = path.get(path.size() - 1);
        Tree tree = path.get(0).getTree();
        if (accessibleCell.getTree() == null && accessibleCell.getRichness() > 0 && !tree.isDormant()) {
            if (tree.isMine()) {
                accessibleCell.setCanSeed(true);
                accessibleCell.addSourceTree(tree);
            }
            else {
                accessibleCell.setCanSeedOpp(true);
                accessibleCell.addSourceTreeOpp(tree);
            }
        }
        distByTree.put(tree, path.size());
    }
}