void UGameInstance::PlayReplay(const FString& Name)
{
UWorld* CurrentWorld = GetWorld();
if ( CurrentWorld == nullptr )
{
UE_LOG( LogDemo, Warning, TEXT( "UGameInstance::PlayReplay: GetWorld() is null" ) );
return;
}
CurrentWorld->DestroyDemoNetDriver();
FURL DemoURL;
UE_LOG( LogDemo, Log, TEXT( "PlayReplay: Attempting to play demo %s" ), *Name );
DemoURL.Map = Name;
const FName NAME_DemoNetDriver( TEXT( "DemoNetDriver" ) );
if ( !GEngine->CreateNamedNetDriver( CurrentWorld, NAME_DemoNetDriver, NAME_DemoNetDriver ) )
{
UE_LOG(LogDemo, Warning, TEXT( "PlayReplay: failed to create demo net driver!" ) );
return;
}
CurrentWorld->DemoNetDriver = Cast< UDemoNetDriver >( GEngine->FindNamedNetDriver( CurrentWorld, NAME_DemoNetDriver ) );
check( CurrentWorld->DemoNetDriver != NULL );
CurrentWorld->DemoNetDriver->SetWorld( CurrentWorld );
FString Error;
if ( !CurrentWorld->DemoNetDriver->InitConnect( CurrentWorld, DemoURL, Error ) )
{
UE_LOG(LogDemo, Warning, TEXT( "Demo playback failed: %s" ), *Error );
CurrentWorld->DestroyDemoNetDriver();
}
else
{
FCoreUObjectDelegates::PostDemoPlay.Broadcast();
}
}
void UGameInstance::StopRecordingReplay()
{
UWorld* CurrentWorld = GetWorld();
if ( CurrentWorld == nullptr )
{
UE_LOG( LogDemo, Warning, TEXT( "UGameInstance::StopRecordingReplay: GetWorld() is null" ) );
return;
}
CurrentWorld->DestroyDemoNetDriver();
}
void UGameInstance::StartRecordingReplay(const FString& Name, const FString& FriendlyName)
{
if ( FParse::Param( FCommandLine::Get(),TEXT( "NOREPLAYS" ) ) )
{
UE_LOG( LogDemo, Warning, TEXT( "UGameInstance::StartRecordingReplay: Rejected due to -noreplays option" ) );
return;
}
UWorld* CurrentWorld = GetWorld();
if ( CurrentWorld == nullptr )
{
UE_LOG( LogDemo, Warning, TEXT( "UGameInstance::StartRecordingReplay: GetWorld() is null" ) );
return;
}
FURL DemoURL;
FString DemoName = Name;
DemoName.ReplaceInline( TEXT( "%m" ), *CurrentWorld->GetMapName() );
// replace the current URL's map with a demo extension
DemoURL.Map = DemoName;
DemoURL.AddOption( *FString::Printf( TEXT( "DemoFriendlyName=%s" ), *FriendlyName ) );
CurrentWorld->DestroyDemoNetDriver();
const FName NAME_DemoNetDriver( TEXT( "DemoNetDriver" ) );
if ( !GEngine->CreateNamedNetDriver( CurrentWorld, NAME_DemoNetDriver, NAME_DemoNetDriver ) )
{
UE_LOG( LogDemo, Warning, TEXT( "RecordReplay: failed to create demo net driver!" ) );
return;
}
CurrentWorld->DemoNetDriver = Cast< UDemoNetDriver >( GEngine->FindNamedNetDriver( CurrentWorld, NAME_DemoNetDriver ) );
check( CurrentWorld->DemoNetDriver != NULL );
CurrentWorld->DemoNetDriver->SetWorld( CurrentWorld );
FString Error;
if ( !CurrentWorld->DemoNetDriver->InitListen( CurrentWorld, DemoURL, false, Error ) )
{
UE_LOG( LogDemo, Warning, TEXT( "Demo recording failed: %s" ), *Error );
CurrentWorld->DemoNetDriver = NULL;
}
else
{
UE_LOG(LogDemo, Log, TEXT( "Num Network Actors: %i" ), CurrentWorld->NetworkActors.Num() );
}
}
