void UAnimCompress_BitwiseCompressOnly::DoReduction(UAnimSequence* AnimSeq, const TArray<FBoneData>& BoneData)
{
#if WITH_EDITORONLY_DATA
// split the raw data into tracks
TArray<FTranslationTrack> TranslationData;
TArray<FRotationTrack> RotationData;
TArray<FScaleTrack> ScaleData;
SeparateRawDataIntoTracks( AnimSeq->RawAnimationData, AnimSeq->SequenceLength, TranslationData, RotationData, ScaleData );
// Remove Translation Keys from tracks marked bAnimRotationOnly
FilterAnimRotationOnlyKeys(TranslationData, AnimSeq);
// remove obviously redundant keys from the source data
FilterTrivialKeys(TranslationData, RotationData, ScaleData, TRANSLATION_ZEROING_THRESHOLD, QUATERNION_ZEROING_THRESHOLD, SCALE_ZEROING_THRESHOLD);
// bitwise compress the tracks into the anim sequence buffers
BitwiseCompressAnimationTracks(
AnimSeq,
static_cast<AnimationCompressionFormat>(TranslationCompressionFormat),
static_cast<AnimationCompressionFormat>(RotationCompressionFormat),
static_cast<AnimationCompressionFormat>(ScaleCompressionFormat),
TranslationData,
RotationData,
ScaleData);
// record the proper runtime decompressor to use
AnimSeq->KeyEncodingFormat = AKF_ConstantKeyLerp;
AnimationFormat_SetInterfaceLinks(*AnimSeq);
AnimSeq->CompressionScheme = static_cast<UAnimCompress*>( StaticDuplicateObject( this, AnimSeq, TEXT("None")) );
#endif // WITH_EDITORONLY_DATA
}
void UAnimCompress_RemoveLinearKeys::DoReduction(UAnimSequence* AnimSeq, const TArray<FBoneData>& BoneData)
{
#if WITH_EDITORONLY_DATA
// Only need to do the heavy lifting if it will have some impact
// One of these will always be true for the base class, but derived classes may choose to turn both off (e.g., in PerTrackCompression)
const bool bRunningProcessor = bRetarget || bActuallyFilterLinearKeys;
if (GIsEditor && bRunningProcessor)
{
GWarn->BeginSlowTask( NSLOCTEXT("UAnimCompress_RemoveLinearKeys", "BeginReductionTaskMessage", "Compressing animation with a RemoveLinearKeys scheme."), false);
}
// If the processor is to be run, then additive animations need to be converted from relative to absolute
const bool bNeedToConvertBackToAdditive = bRunningProcessor ? ConvertFromRelativeSpace(AnimSeq) : false;
// Separate the raw data into tracks and remove trivial tracks (all the same value)
TArray<FTranslationTrack> TranslationData;
TArray<FRotationTrack> RotationData;
TArray<FScaleTrack> ScaleData;
SeparateRawDataIntoTracks(AnimSeq->RawAnimationData, AnimSeq->SequenceLength, TranslationData, RotationData, ScaleData);
FilterBeforeMainKeyRemoval(AnimSeq, BoneData, TranslationData, RotationData, ScaleData);
if (bRunningProcessor)
{
#if TIME_LINEAR_KEY_REMOVAL
double TimeStart = FPlatformTime::Seconds();
#endif
// compress this animation without any key-reduction to prime the codec
CompressUsingUnderlyingCompressor(
AnimSeq,
BoneData,
TranslationData,
RotationData,
ScaleData,
false);
// now remove the keys which can be approximated with linear interpolation
ProcessAnimationTracks(
AnimSeq,
BoneData,
TranslationData,
RotationData,
ScaleData);
#if TIME_LINEAR_KEY_REMOVAL
double ElapsedTime = FPlatformTime::Seconds() - TimeStart;
UE_LOG(LogAnimationCompression, Log, TEXT("ProcessAnimationTracks time is (%f) seconds"),ElapsedTime);
#endif
// if previously additive, convert back to relative-space
if( bNeedToConvertBackToAdditive )
{
ConvertToRelativeSpace(AnimSeq, TranslationData, RotationData);
}
}
// Remove Translation Keys from tracks marked bAnimRotationOnly
FilterAnimRotationOnlyKeys(TranslationData, AnimSeq);
// compress the final (possibly key-reduced) tracks into the anim sequence buffers
CompressUsingUnderlyingCompressor(
AnimSeq,
BoneData,
TranslationData,
RotationData,
ScaleData,
true);
if (GIsEditor && bRunningProcessor)
{
GWarn->EndSlowTask();
}
AnimSeq->CompressionScheme = static_cast<UAnimCompress*>( StaticDuplicateObject( this, AnimSeq, TEXT("None")) );
#endif // WITH_EDITORONLY_DATA
}
