public void BackButton()
{
switch (_buttonStage)
{
case ButtonStages.HostSendToNetworking:
_buttonStage = ButtonStages.HostPaste;
break;
case ButtonStages.ClientSendToNetworking:
_buttonStage = ButtonStages.ClientPaste;
break;
}
StartCoroutine(WaitForNetworking());
}
private IEnumerator WaitForNetworking()
{
var textEditor = new TextEditor();
var timeoutCounter = 0;
RTCSessionDescription description;
switch (_buttonStage)
{
case ButtonStages.Error: // Error
_buttonStage = ButtonStages.Error;
_buttonText.text = "ERROR.";
_subtext.fontSize = 70;
_subtext.text = "Something failed in establishing network connection.\n" +
"Please verify that you had a valid SDP address copied.";
break;
case ButtonStages.DeterminingHostOrClient: // Determining host or client
HostToggleStartingText.SetActive(false);
HostToggleNotice.SetActive(true);
InitializeWebRtc();
// True = Host. False = Client.
var hostToggle = HostToggleObject.GetComponent <Toggle>().isOn;
HostToggleNotice.GetComponent <Text>().text += hostToggle ? "Host." : "Client.";
HostToggleObject.SetActive(false);
if (hostToggle)
{
goto case ButtonStages.HostPaste;
}
goto case ButtonStages.Client;
case ButtonStages.Client: // Client
_subtext.text = "Please wait. Generating SDP address.";
_buttonText.text = "Save SDP address to clipboard.";
var clientOffer = StartClientOffer();
while (clientOffer.keepWaiting)
{
// Cant place in function, has goto and a yield return.
if (_subtext.text.Count(c => c == '.') > 6)
{
_subtext.text = "Please wait. Generating SDP address";
timeoutCounter++;
}
if (timeoutCounter > 4)
{
goto case ButtonStages.Error;
}
_subtext.text += ".";
yield return(new WaitForSeconds(1f));
}
description = clientOffer.Desc;
yield return(_peerConnection.SetLocalDescription(ref description));
_subtext.text = "Unique SDP protocol address received.\n" +
"Please paste it in Discord for the host to copy.";
textEditor.text = JsonUtility.ToJson(description).Compress();
textEditor.SelectAll();
textEditor.Copy();
_buttonStage = ButtonStages.ClientPaste;
break;
case ButtonStages.ClientPaste:
GoBackObject.SetActive(false);
_subtext.fontSize = 70;
_subtext.text = "Please copy unique SDP address from Discord from host.\n" +
"Make sure not to include any whitespace or external characters.";
_buttonText.text = "Submit SDP address from clipboard.";
_buttonStage = ButtonStages.ClientVerify;
break;
case ButtonStages.ClientVerify:
GoBackObject.SetActive(true);
_buttonText.text = "Continue.";
textEditor.Paste();
_iceCompressed = textEditor.text.Trim();
_subtext.fontSize = 25;
_subtext.text = "Given SDP Address:\n" + _iceCompressed;
_buttonStage = ButtonStages.ClientSendToNetworking;
break;
case ButtonStages.ClientSendToNetworking:
GoBackObject.SetActive(false);
_buttonText.text = "Attempting to connect.";
description = JsonUtility.FromJson <RTCSessionDescription>(_iceCompressed.Decompress());
yield return(_peerConnection.SetRemoteDescription(ref description));
_buttonText.text = _peerConnection.ConnectionState.ToString();
_buttonStage = ButtonStages.NotReady;
break;
case ButtonStages.HostPaste: // Host
GoBackObject.SetActive(false);
_subtext.fontSize = 70;
_subtext.text = "Please copy unique SDP address from Discord from client.\n" +
"Make sure not to include any whitespace or external characters.";
_buttonText.text = "Submit SDP address from clipboard.";
_buttonStage = ButtonStages.HostVerify;
break;
case ButtonStages.HostVerify:
GoBackObject.SetActive(true);
_buttonText.text = "Continue.";
textEditor.Paste();
_iceCompressed = textEditor.text.Trim();
_subtext.fontSize = 25;
_subtext.text = "Given SDP Address:\n" + _iceCompressed;
_buttonStage = ButtonStages.HostSendToNetworking;
break;
case ButtonStages.HostSendToNetworking: // Host paste SDP address.
GoBackObject.SetActive(false);
_subtext.fontSize = 70;
_subtext.text = "Please wait. Generating SDP address.";
_buttonText.text = "Save SDP address to clipboard.";
description = JsonUtility.FromJson <RTCSessionDescription>(_iceCompressed.Decompress());
yield return(_peerConnection.SetRemoteDescription(ref description));
RTCAnswerOptions answerOption = default;
var hostAnswer = _peerConnection.CreateAnswer(ref answerOption);
while (hostAnswer.keepWaiting)
{
// Cant place in function, has goto and a yield return.
if (_subtext.text.Count(c => c == '.') > 6)
{
_subtext.text = "Please wait. Generating SDP address";
timeoutCounter++;
}
if (timeoutCounter > 4)
{
goto case ButtonStages.Error;
}
_subtext.text += ".";
yield return(new WaitForSeconds(1f));
}
_subtext.text = "Unique SDP protocol address received.\n" +
"Please paste it in Discord for the client to copy.";
description = hostAnswer.Desc;
yield return(_peerConnection.SetLocalDescription(ref description));
textEditor.text = JsonUtility.ToJson(description).Compress();
textEditor.SelectAll();
textEditor.Copy();
_buttonStage = ButtonStages.NotReady;
break;
case ButtonStages.NotReady:
break;
}
if (_buttonStage != ButtonStages.Error && _buttonStage != ButtonStages.NotReady)
{
_networkButton.interactable = true;
}
yield return(null);
}
