private void UpdateReceivers()
{
var confirmPacketInfos = new List <ConfirmPacketInfo>();
var senderPacketInfos = new Dictionary <int, SenderPacketInfo>();
try
{
SenderPacketClassifier.Classify(udpSocket, receivers.Values, confirmPacketInfos, senderPacketInfos);
}
catch (UdpSocketException e)
{
TextToaster.Toast($"Error from SenderPacketClassifier.Classify(): {e.Message}");
}
foreach (var confirmPacketInfo in confirmPacketInfos)
{
int receiverId = confirmPacketInfo.ConfirmPacket.receiverId;
print($"confirmPacketInfo - 1: receiver: {receiverId}");
// Ignore if there is already a receiver with the receiver ID.
if (receivers.ContainsKey(receiverId))
{
continue;
}
print($"confirmPacketInfo - 2: receiver: {receiverId}, sender: {confirmPacketInfo.ConfirmPacket.senderId}");
// Receiver and KinectOrigin gets created together.
// When destroying any of them, the other of the pair should also be destroyed.
var receiver = new Receiver(receiverId, confirmPacketInfo.ConfirmPacket.senderId, confirmPacketInfo.SenderEndPoint);
receivers.Add(confirmPacketInfo.ConfirmPacket.receiverId, receiver);
var kinectOrigin = sharedSpaceScene.AddKinectNode(receiverId);
// Apply transformation of kinectSenderElement if there is a corresponding one.
if (controllerScene != null)
{
var controllerNode = controllerScene.FindNode(receiver.SenderEndPoint);
if (controllerNode != null)
{
kinectOrigin.transform.localPosition = controllerNode.position;
kinectOrigin.transform.localRotation = controllerNode.rotation;
}
}
}
// Send heartbeat packets to senders.
foreach (var receiver in receivers.Values)
{
receiver.SendHeartBeat(udpSocket);
}
// Using a copy of remoteSenders through ToList() as this allows removal of elements from remoteSenders.
foreach (var senderPacketInfoPair in senderPacketInfos)
{
// The keys of senderPacketInfos are sender IDs, not receiver IDs like other collections.
int senderId = senderPacketInfoPair.Key;
// Since senderPacketInfos were built based on receivers, there should be a corresponding receiver.
var receiver = receivers.Values.First(x => x.SenderId == senderId);
var kinectNode = sharedSpaceScene.GetKinectNode(receiver.ReceiverId);
receiver.ReceivePackets(udpSocket, senderPacketInfoPair.Value, kinectNode.KinectRenderer.Material, kinectNode.Speaker.RingBuffer);
// Remove receivers that did not receive any packet for too long.
if (receiver.IsTimedOut())
{
TextToaster.Toast($"Receiver {receiver.ReceiverId} timed out.");
receivers.Remove(receiver.ReceiverId);
sharedSpaceScene.RemoveKinectNode(receiver.ReceiverId);
continue;
}
if (kinectNode.KinectRenderer.State == PrepareState.Unprepared)
{
if (receiver.VideoMessages.Count > 0)
{
foreach (var videoMessage in receiver.VideoMessages.Values)
{
CoroutineRunner.RunWithTotalTimeOut(kinectNode.KinectRenderer.Prepare(videoMessage));
break;
}
}
}
else if (kinectNode.KinectRenderer.State == PrepareState.Preparing)
{
kinectNode.SetProgressText(receiver.SenderEndPoint, kinectNode.kinectRenderer.Progress);
kinectNode.ProgressTextVisibility = true;
}
else if (kinectNode.KinectRenderer.State == PrepareState.Prepared)
{
kinectNode.ProgressTextVisibility = false;
}
var floorVideoMessage = receiver.VideoMessages.Values.FirstOrDefault(x => x.floor != null);
if (floorVideoMessage != null)
{
kinectNode.UpdateFrame(floorVideoMessage.floor);
}
receiver.UpdateFrame(udpSocket);
}
}
