void AFPSGPlayerController::onClickEndGame() const
{
//Make sure it is the server calling the function
if (Role < ROLE_Authority && GetNetMode() == NM_Client) return;
//GEngine->AddOnScreenDebugMessage(-1, 40.0f, FColor::Cyan, "AFPSGPlayerController::onClickEndGame");
IOnlineSubsystem* onlineSubsystem = IOnlineSubsystem::Get();
IOnlineSessionPtr sessions = onlineSubsystem != NULL ? onlineSubsystem->GetSessionInterface() : NULL;
if (sessions.IsValid())
{
UWorld* world = GetWorld();
AFPSGGameState* gameState = world != NULL ? world->GetGameState<AFPSGGameState>() : NULL;
if (gameState != NULL)
{
//Retrieve the session state and match state
EOnlineSessionState::Type sessionState = sessions->GetSessionState(GameSessionName);
FName matchState = gameState->GetMatchState();
//Only attempt to end the game if both the session and match are in progress
if (sessionState == EOnlineSessionState::Type::InProgress && matchState == MatchState::InProgress)
{
gameState->onClickEndGame();
}
}
}
}
/**
* Register all delegates needed to manage online sessions
*/
void UOnlineSessionClient::RegisterOnlineDelegates(UWorld* InWorld)
{
IOnlineSubsystem* OnlineSub = Online::GetSubsystem(InWorld);
if (OnlineSub)
{
SessionInt = OnlineSub->GetSessionInterface();
if (SessionInt.IsValid())
{
int32 ControllerId = GetControllerId();
if (ControllerId != INVALID_CONTROLLERID)
{
// Always on the lookout for invite acceptance (via actual invite or join from external ui)
OnSessionInviteAcceptedDelegate = FOnSessionInviteAcceptedDelegate::CreateUObject(this, &UOnlineSessionClient::OnSessionInviteAccepted);
SessionInt->AddOnSessionInviteAcceptedDelegate(ControllerId, OnSessionInviteAcceptedDelegate);
}
}
OnJoinSessionCompleteDelegate = FOnJoinSessionCompleteDelegate::CreateUObject(this, &UOnlineSessionClient::OnJoinSessionComplete);
OnEndForJoinSessionCompleteDelegate = FOnEndSessionCompleteDelegate::CreateUObject(this, &UOnlineSessionClient::OnEndForJoinSessionComplete);
OnDestroyForJoinSessionCompleteDelegate = FOnDestroySessionCompleteDelegate::CreateUObject(this, &UOnlineSessionClient::OnDestroyForJoinSessionComplete);
}
// Register disconnect delegate even if we don't have an online system
OnDestroyForMainMenuCompleteDelegate = FOnDestroySessionCompleteDelegate::CreateUObject(this, &UOnlineSessionClient::OnDestroyForMainMenuComplete);
}
/**
* Delegate fired when a session start request has completed
*
* @param SessionName the name of the session this callback is for
* @param bWasSuccessful true if the async action completed without error, false if there was an error
*/
void URadeGameInstance::OnStartOnlineGameComplete(FName SessionName, bool bWasSuccessful)
{
//GEngine->AddOnScreenDebugMessage(-1, 10.f, FColor::Red, FString::Printf(TEXT("OnStartSessionComplete %s, %d"), *SessionName.ToString(), bWasSuccessful));
// Get the Online Subsystem so we can get the Session Interface
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
// Get the Session Interface to clear the Delegate
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
// Clear the delegate, since we are done with this call
Sessions->ClearOnStartSessionCompleteDelegate_Handle(OnStartSessionCompleteDelegateHandle);
}
}
// If the start was successful, we can open a NewMap if we want. Make sure to use "listen" as a parameter!
if (bWasSuccessful)
{
//BattleArena
UGameplayStatics::OpenLevel(GetWorld(), *TheMapName, true, "listen");
}
}
bool APartyBeaconClient::RequestReservation(const FOnlineSessionSearchResult& DesiredHost, const FUniqueNetIdRepl& RequestingPartyLeader, const TArray<FPlayerReservation>& PartyMembers)
{
bool bSuccess = false;
if (DesiredHost.IsValid())
{
UWorld* World = GetWorld();
IOnlineSubsystem* OnlineSub = Online::GetSubsystem(World);
if (OnlineSub)
{
IOnlineSessionPtr SessionInt = OnlineSub->GetSessionInterface();
if (SessionInt.IsValid())
{
FString ConnectInfo;
if (SessionInt->GetResolvedConnectString(DesiredHost, BeaconPort, ConnectInfo))
{
FString SessionId = DesiredHost.Session.SessionInfo->GetSessionId().ToString();
return RequestReservation(ConnectInfo, SessionId, RequestingPartyLeader, PartyMembers);
}
}
}
}
if (!bSuccess)
{
OnFailure();
}
return bSuccess;
}
// Join Session
bool URadeGameInstance::JoinSession(TSharedPtr<const FUniqueNetId> UserId, FName SessionName, const FOnlineSessionSearchResult& SearchResult)
{
// Return bool
bool bSuccessful = false;
// Get OnlineSubsystem we want to work with
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
// Get SessionInterface from the OnlineSubsystem
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid() && UserId.IsValid())
{
// Set the Handle again
OnJoinSessionCompleteDelegateHandle = Sessions->AddOnJoinSessionCompleteDelegate_Handle(OnJoinSessionCompleteDelegate);
// Call the "JoinSession" Function with the passed "SearchResult". The "SessionSearch->SearchResults" can be used to get such a
// "FOnlineSessionSearchResult" and pass it. Pretty straight forward!
bSuccessful = Sessions->JoinSession(*UserId, SessionName, SearchResult);
}
}
return bSuccessful;
}
void URadeGameInstance::OnJoinSessionComplete(FName SessionName, EOnJoinSessionCompleteResult::Type Result)
{
// Get the OnlineSubsystem we want to work with
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
// Get SessionInterface from the OnlineSubsystem
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
// Clear the Delegate again
Sessions->ClearOnJoinSessionCompleteDelegate_Handle(OnJoinSessionCompleteDelegateHandle);
// Get the first local PlayerController, so we can call "ClientTravel" to get to the Server Map
// This is something the Blueprint Node "Join Session" does automatically!
APlayerController * const PlayerController = GetFirstLocalPlayerController();
// We need a FString to use ClientTravel and we can let the SessionInterface contruct such a
// String for us by giving him the SessionName and an empty String. We want to do this, because
// Every OnlineSubsystem uses different TravelURLs
FString TravelURL;
if (PlayerController && Sessions->GetResolvedConnectString(SessionName, TravelURL))
{
// Finally call the ClienTravel. If you want, you could print the TravelURL to see
// how it really looks like
PlayerController->ClientTravel(TravelURL, ETravelType::TRAVEL_Absolute);
}
}
}
}
/**
* Delegate fired when a session create request has completed
*
* @param SessionName the name of the session this callback is for
* @param bWasSuccessful true if the async action completed without error, false if there was an error
*/
void URadeGameInstance::OnCreateSessionComplete(FName SessionName, bool bWasSuccessful)
{
//GEngine->AddOnScreenDebugMessage(-1, 10.f, FColor::Red, FString::Printf(TEXT("OnCreateSessionComplete %s, %d"), *SessionName.ToString(), bWasSuccessful));
// Get the OnlineSubsystem so we can get the Session Interface
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
// Get the Session Interface to call the StartSession function
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
// Clear the SessionComplete delegate handle, since we finished this call
Sessions->ClearOnCreateSessionCompleteDelegate_Handle(OnCreateSessionCompleteDelegateHandle);
if (bWasSuccessful)
{
// Set the StartSession delegate handle
OnStartSessionCompleteDelegateHandle = Sessions->AddOnStartSessionCompleteDelegate_Handle(OnStartSessionCompleteDelegate);
//printr(SessionName.ToString());
// Our StartSessionComplete delegate should get called after this
Sessions->StartSession(SessionName);
}
}
}
}
/** Starts the online game using the session name in the PlayerState */
void AShooterPlayerController::ClientStartOnlineGame_Implementation()
{
if (!IsPrimaryPlayer())
return;
AShooterPlayerState* ShooterPlayerState = Cast<AShooterPlayerState>(PlayerState);
if (ShooterPlayerState)
{
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
UE_LOG(LogOnline, Log, TEXT("Starting session %s on client"), *ShooterPlayerState->SessionName.ToString() );
Sessions->StartSession(ShooterPlayerState->SessionName);
}
}
}
else
{
// Keep retrying until player state is replicated
GetWorld()->GetTimerManager().SetTimer(FTimerDelegate::CreateUObject(this, &AShooterPlayerController::ClientStartOnlineGame_Implementation), 0.2f, false);
}
}
/** Ends and/or destroys game session */
void AShooterPlayerController::CleanupSessionOnReturnToMenu()
{
bool bPendingOnlineOp = false;
// end online game and then destroy it
AShooterPlayerState* ShooterPlayerState = Cast<AShooterPlayerState>(PlayerState);
if (ShooterPlayerState)
{
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
EOnlineSessionState::Type SessionState = Sessions->GetSessionState(ShooterPlayerState->SessionName);
UE_LOG(LogOnline, Log, TEXT("Session %s is '%s'"), *ShooterPlayerState->SessionName.ToString(), EOnlineSessionState::ToString(SessionState));
if (EOnlineSessionState::InProgress == SessionState)
{
UE_LOG(LogOnline, Log, TEXT("Ending session %s on return to main menu"), *ShooterPlayerState->SessionName.ToString() );
Sessions->AddOnEndSessionCompleteDelegate(OnEndSessionCompleteDelegate);
Sessions->EndSession(ShooterPlayerState->SessionName);
bPendingOnlineOp = true;
}
else if (EOnlineSessionState::Ending == SessionState)
{
UE_LOG(LogOnline, Log, TEXT("Waiting for session %s to end on return to main menu"), *ShooterPlayerState->SessionName.ToString() );
Sessions->AddOnEndSessionCompleteDelegate(OnEndSessionCompleteDelegate);
bPendingOnlineOp = true;
}
else if (EOnlineSessionState::Ended == SessionState ||
EOnlineSessionState::Pending == SessionState)
{
UE_LOG(LogOnline, Log, TEXT("Destroying session %s on return to main menu"), *ShooterPlayerState->SessionName.ToString() );
Sessions->AddOnDestroySessionCompleteDelegate(OnDestroySessionCompleteDelegate);
Sessions->DestroySession(ShooterPlayerState->SessionName);
bPendingOnlineOp = true;
}
else if (EOnlineSessionState::Starting == SessionState)
{
UE_LOG(LogOnline, Log, TEXT("Waiting for session %s to start, and then we will end it to return to main menu"), *ShooterPlayerState->SessionName.ToString() );
Sessions->AddOnStartSessionCompleteDelegate(OnStartSessionCompleteEndItDelegate);
bPendingOnlineOp = true;
}
}
}
}
if (!bPendingOnlineOp)
{
GEngine->HandleDisconnect(GetWorld(), GetWorld()->GetNetDriver());
}
}
// Destroy Session
void URadeGameInstance::DestroySessionAndLeaveGame()
{
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
Sessions->AddOnDestroySessionCompleteDelegate_Handle(OnDestroySessionCompleteDelegate);
Sessions->DestroySession(GameSessionName);
}
}
}
void AFPSGPlayerController::onClickQuitToMainMenu()
{
//GEngine->AddOnScreenDebugMessage(-1, 40.0f, FColor::Cyan, "AFPSGPlayerController::onClickQuitToMainMenu");
IOnlineSubsystem* onlineSubsystem = IOnlineSubsystem::Get();
IOnlineSessionPtr sessions = onlineSubsystem != NULL ? onlineSubsystem->GetSessionInterface() : NULL;
if (!sessions.IsValid()) return;
UWorld* world = GetWorld();
AFPSGGameState* gameState = world != NULL ? world->GetGameState<AFPSGGameState>() : NULL;
if (gameState != NULL)
{
//Retrieve the session state and match state
FName matchState = gameState->GetMatchState();
EOnlineSessionState::Type sessionState = EOnlineSessionState::Type::NoSession;
if (Role == ROLE_Authority && GetNetMode() < NM_Client)
{
sessionState = sessions->GetSessionState(GameSessionName);
}
else
{
sessionState = PlayerState != NULL ? sessions->GetSessionState(PlayerState->SessionName) : EOnlineSessionState::Type::NoSession;
}
//Only attempt to end the game if both the session and match are in progress
if (sessionState == EOnlineSessionState::Type::InProgress && matchState == MatchState::InProgress)
{
//Check if it is a server or client that wants to quit to the main menu
if (Role == ROLE_Authority && GetNetMode() < NM_Client)
{
gameState->onClickQuitToMainMenu();
}
else
{
//Client will end and destroy its session locally, and then return to the main menu
clientEndSession();
clientOnlineMatchHasEnded(EEndMatchReason::NONE);
clientDestroySession();
ClientReturnToMainMenu_Implementation("");
}
}
}
}
/**
* Delegate fired when ending an online session has completed
*
* @param SessionName the name of the session this callback is for
* @param bWasSuccessful true if the async action completed without error, false if there was an error
*/
void AShooterPlayerController::OnEndSessionComplete(FName SessionName, bool bWasSuccessful)
{
UE_LOG(LogOnline, Log, TEXT("OnEndSessionComplete: Session=%s bWasSuccessful=%s"), *SessionName.ToString(), bWasSuccessful ? TEXT("true") : TEXT("false") );
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
Sessions->ClearOnEndSessionCompleteDelegate(OnEndSessionCompleteDelegate);
}
}
// continue
CleanupSessionOnReturnToMenu();
}
void UUModGameInstance::OnStartOnlineGameComplete(FName SessionName, bool bWasSuccessful)
{
GEngine->AddOnScreenDebugMessage(-1, 10.f, FColor::Red, FString::Printf(TEXT("OnStartSessionComplete %s, %d"), *SessionName.ToString(), bWasSuccessful));
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
Sessions->ClearOnStartSessionCompleteDelegate_Handle(OnStartSessionCompleteDelegateHandle);
}
}
if (bWasSuccessful)
{
DelayedRunMap = true;
}
}
/**
* Find an online session
*
* @param UserId user that initiated the request
* @param SessionName name of session this search will generate
* @param bIsLAN are we searching LAN matches
* @param bIsPresence are we searching presence sessions
*/
void URadeGameInstance::FindSessions(TSharedPtr<const FUniqueNetId> UserId, FName SessionName, bool bIsLAN, bool bIsPresence)
{
// Get the OnlineSubsystem we want to work with
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
bIsSearchingSession = true;
// Get the SessionInterface from our OnlineSubsystem
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid() && UserId.IsValid())
{
/*
Fill in all the SearchSettings, like if we are searching for a LAN game and how many results we want to have!
*/
SessionSearch = MakeShareable(new FOnlineSessionSearch());
SessionSearch->bIsLanQuery = bIsLAN;
SessionSearch->MaxSearchResults = 20;
SessionSearch->PingBucketSize = 50;
// We only want to set this Query Setting if "bIsPresence" is true
if (bIsPresence)
{
SessionSearch->QuerySettings.Set(SEARCH_PRESENCE, bIsPresence, EOnlineComparisonOp::Equals);
}
TSharedRef<FOnlineSessionSearch> SearchSettingsRef = SessionSearch.ToSharedRef();
// Set the Delegate to the Delegate Handle of the FindSession function
OnFindSessionsCompleteDelegateHandle = Sessions->AddOnFindSessionsCompleteDelegate_Handle(OnFindSessionsCompleteDelegate);
// Finally call the SessionInterface function. The Delegate gets called once this is finished
Sessions->FindSessions(*UserId, SearchSettingsRef);
}
}
else
{
// If something goes wrong, just call the Delegate Function directly with "false".
OnFindSessionsComplete(false);
}
}
/** Ends the online game using the session name in the PlayerState */
void AShooterPlayerController::ClientEndOnlineGame_Implementation()
{
if (!IsPrimaryPlayer())
return;
AShooterPlayerState* ShooterPlayerState = Cast<AShooterPlayerState>(PlayerState);
if (ShooterPlayerState)
{
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
UE_LOG(LogOnline, Log, TEXT("Ending session %s on client"), *ShooterPlayerState->SessionName.ToString() );
Sessions->EndSession(ShooterPlayerState->SessionName);
}
}
}
}
// Destroy Session And return to Start Map
void URadeGameInstance::OnDestroySessionComplete(FName SessionName, bool bWasSuccessful)
{
// Get the OnlineSubsystem we want to work with
IOnlineSubsystem* OnlineSub = IOnlineSubsystem::Get();
if (OnlineSub)
{
// Get the SessionInterface from the OnlineSubsystem
IOnlineSessionPtr Sessions = OnlineSub->GetSessionInterface();
if (Sessions.IsValid())
{
// Clear the Delegate
Sessions->ClearOnDestroySessionCompleteDelegate_Handle(OnDestroySessionCompleteDelegateHandle);
// If it was successful, we just load another level (could be a MainMenu!)
if (bWasSuccessful)
{
UGameplayStatics::OpenLevel(GetWorld(), "SelectMap", true);
}
}
}
}
bool AFPSGPlayerController::destroySession(FName sessionName) const
{
bool success = false;
IOnlineSubsystem* onlineSubsystem = IOnlineSubsystem::Get();
IOnlineSessionPtr sessions = onlineSubsystem != NULL ? onlineSubsystem->GetSessionInterface() : NULL;
if (sessions.IsValid())
{
//Destroy the session
success = sessions->DestroySession(sessionName);
if (success)
{
GEngine->AddOnScreenDebugMessage(-1, 40.0f, FColor::Cyan, TEXT("AFPSGPlayerController::destroySession success"));
}
else
{
GEngine->AddOnScreenDebugMessage(-1, 40.0f, FColor::Cyan, TEXT("AFPSGPlayerController::destroySession NOT success"));
}
}
return success;
}
bool UQosEvaluator::FindQosServersByRegion(int32 RegionIdx, FOnQosSearchComplete InCompletionDelegate)
{
bool bSuccess = false;
if (Datacenters.IsValidIndex(RegionIdx))
{
FQosRegionInfo& Datacenter = Datacenters[RegionIdx];
Datacenter.Reset();
IOnlineSubsystem* OnlineSub = Online::GetSubsystem(GetWorld());
if (OnlineSub)
{
IOnlineSessionPtr SessionInt = OnlineSub->GetSessionInterface();
if (SessionInt.IsValid())
{
if (!Datacenter.Region.RegionId.IsEmpty())
{
const TSharedRef<FOnlineSessionSearch> QosSearchParams = MakeShareable(new FOnlineSessionSearchQos());
QosSearchParams->QuerySettings.Set(SETTING_REGION, Datacenter.Region.RegionId, EOnlineComparisonOp::Equals);
QosSearchQuery = QosSearchParams;
FOnFindSessionsCompleteDelegate OnFindDatacentersCompleteDelegate = FOnFindSessionsCompleteDelegate::CreateUObject(this, &ThisClass::OnFindQosServersByRegionComplete, RegionIdx, InCompletionDelegate);
OnFindDatacentersCompleteDelegateHandle = SessionInt->AddOnFindSessionsCompleteDelegate_Handle(OnFindDatacentersCompleteDelegate);
SessionInt->FindSessions(ControllerId, QosSearchParams);
}
else
{
OnFindQosServersByRegionComplete(false, RegionIdx, InCompletionDelegate);
}
bSuccess = true;
}
}
}
return bSuccess;
}
void UQosEvaluator::OnFindQosServersByRegionComplete(bool bWasSuccessful, int32 RegionIdx, FOnQosSearchComplete InCompletionDelegate)
{
IOnlineSubsystem* OnlineSub = Online::GetSubsystem(GetWorld());
if (OnlineSub)
{
IOnlineSessionPtr SessionInt = OnlineSub->GetSessionInterface();
if (SessionInt.IsValid())
{
SessionInt->ClearOnFindSessionsCompleteDelegate_Handle(OnFindDatacentersCompleteDelegateHandle);
}
}
if (!bCancelOperation)
{
FQosRegionInfo& Datacenter = Datacenters[RegionIdx];
Datacenter.Result = bWasSuccessful ? EQosCompletionResult::Success : EQosCompletionResult::Failure;
// Copy the search results for later evaluation
Datacenter.SearchResults = QosSearchQuery->SearchResults;
QosSearchQuery = nullptr;
int32 NextRegionIdx = GetNextRegionId(RegionIdx);
if (Datacenters.IsValidIndex(NextRegionIdx))
{
TWeakObjectPtr<UQosEvaluator> WeakThisCap(this);
GetWorldTimerManager().SetTimerForNextTick(FTimerDelegate::CreateLambda([InCompletionDelegate, NextRegionIdx, WeakThisCap]()
{
if (WeakThisCap.IsValid())
{
auto StrongThis = WeakThisCap.Get();
// Move to the next region results
if (!StrongThis->FindQosServersByRegion(NextRegionIdx, InCompletionDelegate))
{
// Failed to start
StrongThis->GetWorldTimerManager().SetTimerForNextTick(FTimerDelegate::CreateLambda([InCompletionDelegate, WeakThisCap]()
{
if (WeakThisCap.IsValid())
{
auto StrongThis1 = WeakThisCap.Get();
StrongThis1->FinalizeDatacenterResult(InCompletionDelegate, EQosCompletionResult::Failure, TArray<FQosRegionInfo>());
}
}));
}
}
}));
}
else
{
// Evaluate search results for all regions next tick
FOnQosPingEvalComplete CompletionDelegate = FOnQosPingEvalComplete::CreateUObject(this, &ThisClass::OnEvaluateForDatacenterComplete, InCompletionDelegate);
TWeakObjectPtr<UQosEvaluator> WeakThisCap(this);
GetWorldTimerManager().SetTimerForNextTick(FTimerDelegate::CreateLambda([CompletionDelegate, WeakThisCap]()
{
if (WeakThisCap.IsValid())
{
auto StrongThis = WeakThisCap.Get();
StrongThis->bInProgress = false;
StrongThis->StartServerPing(CompletionDelegate);
}
}));
}
}
else
{
QosSearchQuery = nullptr;
// Mark all remaining datacenters as canceled
for (int32 Idx = RegionIdx; Idx < Datacenters.Num(); Idx++)
{
Datacenters[Idx].Result = EQosCompletionResult::Canceled;
}
FinalizeDatacenterResult(InCompletionDelegate, EQosCompletionResult::Canceled, Datacenters);
}
}
