void USoundWave::UpdatePlatformData()
{
if (IsStreaming())
{
// Make sure there are no pending requests in flight.
while (IStreamingManager::Get().GetAudioStreamingManager().IsStreamingInProgress(this))
{
// Give up timeslice.
FPlatformProcess::Sleep(0);
}
#if WITH_EDITORONLY_DATA
// Temporarily remove from streaming manager to release currently used data chunks
IStreamingManager::Get().GetAudioStreamingManager().RemoveStreamingSoundWave(this);
// Recache platform data if the source has changed.
CachePlatformData();
// Add back to the streaming manager to reload first chunk
IStreamingManager::Get().GetAudioStreamingManager().AddStreamingSoundWave(this);
#endif
}
else
{
IStreamingManager::Get().GetAudioStreamingManager().RemoveStreamingSoundWave(this);
}
}
void UTextureCube::UpdateResource()
{
#if WITH_EDITOR
// Recache platform data if the source has changed.
CachePlatformData();
#endif // #if WITH_EDITOR
// Route to super.
Super::UpdateResource();
}
void USoundWave::BeginCachePlatformData()
{
CachePlatformData(true);
#if WITH_EDITOR
// enable caching in postload for derived data cache commandlet and cook by the book
ITargetPlatformManagerModule* TPM = GetTargetPlatformManager();
if (TPM && (TPM->RestrictFormatsToRuntimeOnly() == false))
{
TArray<ITargetPlatform*> Platforms = TPM->GetActiveTargetPlatforms();
// Cache for all the audio formats that the cooking target requires
for (int32 FormatIndex = 0; FormatIndex < Platforms.Num(); FormatIndex++)
{
BeginCacheForCookedPlatformData(Platforms[FormatIndex]);
}
}
#endif
}
void USoundWave::FinishCachePlatformData()
{
if (RunningPlatformData == NULL)
{
// begin cache never called
CachePlatformData();
}
else
{
// make sure async requests are finished
RunningPlatformData->FinishCache();
}
#if DO_CHECK
FString DerivedDataKey;
FName AudioFormat = GetWaveFormatForRunningPlatform(*this);
GetStreamedAudioDerivedDataKey(*this, AudioFormat, DerivedDataKey);
check(RunningPlatformData->DerivedDataKey == DerivedDataKey);
#endif
}