bool NUTNet::CreateFakePlayer(UWorld* InWorld, UNetDriver*& InNetDriver, FString ServerIP, FNetworkNotify* InNotify/*=NULL*/,
bool bSkipJoin/*=false*/, FUniqueNetIdRepl* InNetID/*=NULL*/, bool bBeaconConnect/*=false*/,
FString InBeaconType/*=TEXT("")*/)
{
bool bSuccess = false;
if (InNetDriver == NULL)
{
InNetDriver = (InWorld != NULL ? NUTNet::CreateUnitTestNetDriver(InWorld) : NULL);
}
if (InNetDriver != NULL)
{
if (InNotify == NULL)
{
FNetworkNotifyHook* NotifyHook = new FNetworkNotifyHook();
InNotify = NotifyHook;
auto DefaultRejectChan = [](UChannel* Channel)
{
UE_LOG(LogUnitTest, Log, TEXT("UnitTestNetDriver: NotifyAcceptingChannel: %s"), *Channel->Describe());
return false;
};
NotifyHook->NotifyAcceptingChannelDelegate.BindLambda(DefaultRejectChan);
}
FURL DefaultURL;
FURL TravelURL(&DefaultURL, *ServerIP, TRAVEL_Absolute);
FString ConnectionError;
if (InNetDriver->InitConnect(InNotify, TravelURL, ConnectionError))
{
UNetConnection* TargetConn = InNetDriver->ServerConnection;
UE_LOG(LogUnitTest, Log, TEXT("Successfully kicked off connect to IP '%s'"), *ServerIP);
int ControlBunchSequence = 0;
FOutBunch* ControlChanBunch = NUTNet::CreateChannelBunch(ControlBunchSequence, TargetConn, CHTYPE_Control, 0);
// Need to send 'NMT_Hello' to start off the connection (the challenge is not replied to)
uint8 IsLittleEndian = uint8(PLATFORM_LITTLE_ENDIAN);
// We need to construct the NMT_Hello packet manually, for the initial connection
uint8 MessageType = NMT_Hello;
*ControlChanBunch << MessageType;
*ControlChanBunch << IsLittleEndian;
#if TARGET_UE4_CL >= CL_FNETWORKVERSION
// Starting with 4.8.0, the network protocol has changed slightly
// @todo JohnB: Refactor this, to toggle at compile time only, based on CL (might require more accurate UT integrate CLs)
FString VersionStr = GEngineVersion.ToString(EVersionComponent::Minor);
int32 VersionDelim = VersionStr.Find(TEXT("."));
int32 MajorVersion = FCString::Atoi(*VersionStr.Left(VersionDelim));
int32 MinorVersion = FCString::Atoi(*VersionStr.Mid(VersionDelim+1));
bool bOldProtocol = (MajorVersion <= 4 && MinorVersion <= 7) &&
/** Exception for UT (treat 4.7 as having the new protocol) */
(FString(FApp::GetGameName()) != TEXT("UnrealTournament") || (MajorVersion <= 4 && MinorVersion <= 6));
if (bOldProtocol)
#endif
{
int32 EngineMinNetVersion = GEngineMinNetVersion;
*ControlChanBunch << EngineMinNetVersion;
int32 EngineNetVersion = GEngineNetVersion;
*ControlChanBunch << EngineNetVersion;
*ControlChanBunch << (FGuid&)GetDefault<UGeneralProjectSettings>()->ProjectID;
}
#if TARGET_UE4_CL >= CL_FNETWORKVERSION
else
{
uint32 LocalNetworkVersion = FNetworkVersion::GetLocalNetworkVersion();
*ControlChanBunch << LocalNetworkVersion;
}
#endif
if (bBeaconConnect)
{
if (!bSkipJoin)
{
MessageType = NMT_BeaconJoin;
*ControlChanBunch << MessageType;
*ControlChanBunch << InBeaconType;
// Also immediately ack the beacon GUID setup; we're just going to let the server setup the client beacon,
// through the actor channel
MessageType = NMT_BeaconNetGUIDAck;
*ControlChanBunch << MessageType;
*ControlChanBunch << InBeaconType;
}
}
else
{
// Then send NMT_Login
#if TARGET_UE4_CL < CL_CONSTUNIQUEID
TSharedPtr<FUniqueNetId> DudPtr = MakeShareable(new FUniqueNetIdString(TEXT("Dud")));
#else
TSharedPtr<const FUniqueNetId> DudPtr = MakeShareable(new FUniqueNetIdString(TEXT("Dud")));
#endif
FUniqueNetIdRepl PlayerUID(DudPtr);
FString BlankStr = TEXT("");
FString ConnectURL = UUnitTest::UnitEnv->GetDefaultClientConnectURL();
if (InNetID != NULL)
{
PlayerUID = *InNetID;
}
MessageType = NMT_Login;
*ControlChanBunch << MessageType;
*ControlChanBunch << BlankStr;
*ControlChanBunch << ConnectURL;
*ControlChanBunch << PlayerUID;
// Now send NMT_Join, to trigger a fake player, which should then trigger replication of basic actor channels
if (!bSkipJoin)
{
MessageType = NMT_Join;
*ControlChanBunch << MessageType;
}
}
// Big hack: Store OutRec value on the unit test control channel, to enable 'retry-send' code
TargetConn->Channels[0]->OutRec = ControlChanBunch;
TargetConn->SendRawBunch(*ControlChanBunch, true);
bSuccess = true;
}
else
{
UE_LOG(LogUnitTest, Log, TEXT("Failed to kickoff connect to IP '%s', error: %s"), *ServerIP, *ConnectionError);
}
}
else if (InNetDriver == NULL)
{
UE_LOG(LogUnitTest, Log, TEXT("Failed to create an instance of the unit test net driver"));
}
else
{
UE_LOG(LogUnitTest, Log, TEXT("Failed to get a reference to WorldContext"));
}
return bSuccess;
}
