Steam Audio

Development Audio
129

Ok, final version. Works with level streaming - although, doesn’t support combining phonon scenes from sublevels.



namespace SteamAudio
{
   ...
    bool HasSceneOnDisk(UWorld* World)
    {
        FString MapName = StrippedMapName(World->GetMapName());
        FString SceneFileName = RuntimePath + MapName + ".phononscene";

        IPlatformFile& PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
        return PlatformFile.FileExists(*SceneFileName);
    }
}





void FSteamAudioModule::OnWorld_Cleanup(UWorld* World, bool bSessionEnded, bool bCleanupResources)
{
    if (FAudioDevice* AudioDevice = GEngine->GetActiveAudioDevice())
    {
        for (TAudioPluginListenerPtr PluginListener : AudioDevice->PluginListeners)
        {
            PluginListener->OnListenerShutdown(AudioDevice);
        }
    }
}

void FSteamAudioModule::OnWorld_PostCreation(UWorld* World)
{
    bool bHasSceneOnDisk = SteamAudio::HasSceneOnDisk(World);

    if (bHasSceneOnDisk)
    {
        if (FAudioDevice* AudioDevice = GEngine->GetActiveAudioDevice())
        {
            for (TAudioPluginListenerPtr PluginListener : AudioDevice->PluginListeners)
            {
                PluginListener->OnListenerInitialize(AudioDevice, World);
            }

            UE_LOG(LogSteamAudio, Log, TEXT("OnWorld_PostCreation: Audio Device updated for world %s"), *World->GetName());
        }
        else
        {
            UE_LOG(LogSteamAudio, Warning, TEXT("OnWorld_PostCreation: Can't get valid Audio Device"));
        }
    }
    else
    {
        UE_LOG(LogSteamAudio, Log, TEXT("OnWorld_PostCreation: no SteamAudio scene for world %s"), *World->GetName());
    }
}