/**
* Checks every frame, whether controller inputs or other updates regarding a controller connection arrived and
* uses them to properly set up connections and relay inputs to `ControllerInput` instances.
*/
void Update()
{
ConnectionUpdate updateBuffer; // buffer to store an inter-thread connection update message
// For every update that has been received until this frame...
while (_incomingConnectionUpdates.TryDequeue(out updateBuffer))
{
// Perform a different action depending on the type of connection update...
updateBuffer.Match(new ConnectionUpdate.Matcher()
{
// If a controller sets its player name, this means the connection still needs to be set up
NameUpdate = update => HandleConnectionSetup(update.name, update.connectionId, update.websocketId),
// If a regular message arrived from a controller, forward it to the corresponding `ControllerInput` instance
MessageUpdate = update =>
{
ControllerInput input;
if (_clients.TryGetInputByConnectionId(update.connectionId, out input))
{
input.HandleMessage(update.message);
}
else if (!(update.message is Message.NameMessage))
{
LogError("Got a message from a connection which is not associated with any input. This should never happen and is a programming error.");
}
},
// If a controller connection disconnects / fails, reset the meta-data of this connection until we have
// a new one and set the state of the `ControllerInput` instance to NotConnected.
DisconnectUpdate = update =>
{
ControllerInput input;
if (_clients.TryGetInputByConnectionId(update.connectionId, out input))
{
_clients.DeleteConnectionInfo(input.PlayerId, update.connectionId);
input.SetStatus(ConnectionStatus.NotConnected);
}
}
});
}
}
