void USoundWave::SerializeCookedPlatformData(FArchive& Ar)
{
if (IsTemplate())
{
return;
}
DECLARE_SCOPE_CYCLE_COUNTER( TEXT("USoundWave::SerializeCookedPlatformData"), STAT_SoundWave_SerializeCookedPlatformData, STATGROUP_LoadTime );
#if WITH_EDITORONLY_DATA
if (Ar.IsCooking() && Ar.IsPersistent())
{
check(!Ar.CookingTarget()->IsServerOnly());
FName PlatformFormat = Ar.CookingTarget()->GetWaveFormat(this);
FString DerivedDataKey;
GetStreamedAudioDerivedDataKey(*this, PlatformFormat, DerivedDataKey);
FStreamedAudioPlatformData *PlatformDataToSave = CookedPlatformData.FindRef(DerivedDataKey);
if (PlatformDataToSave == NULL)
{
PlatformDataToSave = new FStreamedAudioPlatformData();
PlatformDataToSave->Cache(*this, PlatformFormat, EStreamedAudioCacheFlags::InlineChunks | EStreamedAudioCacheFlags::Async);
CookedPlatformData.Add(DerivedDataKey, PlatformDataToSave);
}
PlatformDataToSave->FinishCache();
PlatformDataToSave->Serialize(Ar, this);
}
else
#endif // #if WITH_EDITORONLY_DATA
{
check(!FPlatformProperties::IsServerOnly());
CleanupCachedRunningPlatformData();
check(RunningPlatformData == NULL);
// Don't serialize streaming data on servers, even if this platform supports streaming in theory
RunningPlatformData = new FStreamedAudioPlatformData();
RunningPlatformData->Serialize(Ar, this);
}
}
/** Does the work to cache derived data. Safe to call from any thread. */
void DoWork()
{
TArray<uint8> RawDerivedData;
bool bForceRebuild = (CacheFlags & EStreamedAudioCacheFlags::ForceRebuild) != 0;
bool bInlineChunks = (CacheFlags & EStreamedAudioCacheFlags::InlineChunks) != 0;
bool bForDDC = (CacheFlags & EStreamedAudioCacheFlags::ForDDCBuild) != 0;
bool bAllowAsyncBuild = (CacheFlags & EStreamedAudioCacheFlags::AllowAsyncBuild) != 0;
if (!bForceRebuild && GetDerivedDataCacheRef().GetSynchronous(*DerivedData->DerivedDataKey, RawDerivedData))
{
FMemoryReader Ar(RawDerivedData, /*bIsPersistent=*/ true);
DerivedData->Serialize(Ar, NULL);
bSucceeded = true;
if (bForDDC)
{
for (int32 Index = 0; Index < DerivedData->NumChunks; ++Index)
{
if (!DerivedData->TryLoadChunk(Index, NULL))
{
bSucceeded = false;
break;
}
}
}
else if (bInlineChunks)
{
bSucceeded = DerivedData->TryInlineChunkData();
}
else
{
bSucceeded = DerivedData->AreDerivedChunksAvailable();
}
}
else if (bAllowAsyncBuild)
{
BuildStreamedAudio();
}
}
