public void Add(PlayerInfo player)
{
if (_players.ContainsKey(player.Id))
throw new ArgumentException("A player with the specified ID is already known");
_players.Add(player.Id, player);
}
public void UpdatePosition(string playerId, Point position)
{
PlayerInfo player;
if (_players.TryGetValue(playerId, out player))
{
_players[playerId] = new PlayerInfo(player.Id, player.DisplayName, position);
}
else
{
throw new ArgumentException($"The player with ID '{playerId}' is not known");
}
}