void PlaceSettlement(int x, int y)
{
List <Tile> tiles = GetAdjacentTilesToSettlement(x, y);
if (tiles.Count > 0)
{
Settlement s = Instantiate(Resources.Load <Settlement>("Settlement"));
s.transform.SetParent(transform);
s.transform.localPosition = GetWorldPosForSettlement(x, y);
s.Construct(tiles, x, y);
settlements[x, y] = s;
}
}