/**
* Sets up new controller connections or reconnects controllers which lost their connection.
*/
private void HandleConnectionSetup(string name, int connectionId, string websocketId)
{
// check if there is already a player of this name...
if (_clients.TryGetPlayerId(name, out var playerId))
{
if (_clients.TryGetInput(playerId, out var input))
{
// if the controller of that player is still connected, deny the connection
if (input.IsConnected())
{
SendToByWebsocketId(websocketId, new Message.NameTakenMessage(name));
}
// otherwise, its a controller which tries to reconnect, so we accept it
else
{
_clients.SetNewConnectionInfo(playerId, connectionId, websocketId);
SendToByWebsocketId(websocketId, new Message.NameOkMessage());
input.SetStatus(ConnectionStatus.Connected);
}
}
else
{
LogError("There is an established player id without an input object. This should never happen and is a programming error.");
}
}
// ...otherwise, this is an entirely new player
else
{
// if we have not yet reached the maximum number of players, we can accept the new controller
if (_clients.ClientCount() < _maxNumPlayers)
{
var newInput = _clients.NewClient(
name,
connectionId,
websocketId,
newPlayerId => new ControllerInput(newPlayerId, name, new PlayerInfo(), this)
);
newInput.SetStatus(ConnectionStatus.Connected);
Log($"Accepted new player of name {name}");
SendToByWebsocketId(websocketId, new Message.NameOkMessage());
OnNewController?.Invoke(newInput);
}
// otherwise we have to deny establishing a connection
else
{
Log("Controller tried to connect, but the maximum number of players has already been reached.");
SendToByWebsocketId(websocketId, new Message.MaxPlayersReachedMessage());
}
}
}