void SendFrameData(int connectionID)
{
ConnectionResponse responseToSend = responses[connectionID].Peek();
// Use up to 190 bytes from the response
MIDIFrame mf = new MIDIFrame();
// nullref here due to response queue being emptied on other thread
mf.AddHeader2(responseToSend.connectionID, responseToSend.data[responseToSend.bytesSent++], flipFlop);
totalBytesCount--;
flipFlop = !flipFlop;
// Add up to 199 bytes from the active response to an array of data to send
byte[] bytesToAdd = new byte[199];
int bytesLeftToSend = responseToSend.data.Length - responseToSend.bytesSent;
int bytesToAddCount = Math.Min(bytesLeftToSend, 199); // In case there's less than 199 bytes left to send
Array.Copy(responseToSend.data, responseToSend.bytesSent, bytesToAdd, 0, bytesToAddCount);
mf.Add199Bytes(bytesToAdd);
responseToSend.bytesSent += bytesToAddCount;
totalBytesCount -= bytesToAddCount;
// Remove response if all bytes have been sent
if (responseToSend.bytesSent == responseToSend.data.Length)
{
responses[connectionID].Dequeue();
responsesCount--;
}
mf.Send(port);
GameIsReady = false;
lastFrame = mf;
}
public void SendFrameIfDataAvailable(bool ACK)
{
// If RDY was received when an ACK was expected, it means the frame was dropped
// and needs to be retransmitted. Otherwise, mark the last frame as received.
if (lastFrame != null)
{
if (ACK)
{
lastFrame = null;
}
else
{
lastFrame.Send(port);
GameIsReady = false;
return;
}
}
// Send priority ping response if available, or a frame if a connection response is ready
if (pong != null)
{
ConnectionResponse responseToSend = pong;
MIDIFrame mf = new MIDIFrame();
mf.AddHeader2(responseToSend.connectionID, responseToSend.data[responseToSend.bytesSent++], flipFlop);
flipFlop = !flipFlop;
// Add up to 199 bytes from the active response to an array of data to send
byte[] bytesToAdd = new byte[199];
int bytesLeftToSend = responseToSend.data.Length - responseToSend.bytesSent;
int bytesToAddCount = Math.Min(bytesLeftToSend, 199); // In case there's less than 199 bytes left to send
Array.Copy(responseToSend.data, responseToSend.bytesSent, bytesToAdd, 0, bytesToAddCount);
mf.Add199Bytes(bytesToAdd);
pong = null;
mf.Send(port);
GameIsReady = false;
lastFrame = mf;
}
else if (responses[255].Count > 0)
{
// Prioritize the loopback connection second
SendFrameData(255);
}
else if (responsesCount > 0)
{
// Round robin the rest of the responses
do
{
connectionIndex++;
if (connectionIndex == MAX_USABLE_CONNECTIONS)
{
connectionIndex = 0;
}
}while (responses[connectionIndex].Count == 0);
SendFrameData(connectionIndex);
}
}
public void Reset()
{
GameIsReady = true;
responsesCount = 0;
totalBytesCount = 0;
connectionIndex = 0;
lastFrame = null;
flipFlop = false;
for (int i = 0; i < responses.Length; i++)
{
responses[i] = new Queue <ConnectionResponse>();
}
}