void UBlendSpaceBase::GetAnimationPose(TArray<FBlendSampleData>& BlendSampleDataCache, /*out*/ FCompactPose& OutPose, /*out*/ FBlendedCurve& OutCurve)
{
SCOPE_CYCLE_COUNTER(STAT_BlendSpace_GetAnimPose);
FScopeCycleCounterUObject BlendSpaceScope(this);
if(BlendSampleDataCache.Num() == 0)
{
OutPose.ResetToRefPose();
return;
}
const int32 NumPoses = BlendSampleDataCache.Num();
TArray<FCompactPose, TInlineAllocator<8>> ChildrenPoses;
ChildrenPoses.AddZeroed(NumPoses);
TArray<FBlendedCurve, TInlineAllocator<8>> ChildrenCurves;
ChildrenCurves.AddZeroed(NumPoses);
TArray<float, TInlineAllocator<8>> ChildrenWeights;
ChildrenWeights.AddZeroed(NumPoses);
for(int32 ChildrenIdx=0; ChildrenIdx<ChildrenPoses.Num(); ++ChildrenIdx)
{
ChildrenPoses[ChildrenIdx].SetBoneContainer(&OutPose.GetBoneContainer());
ChildrenCurves[ChildrenIdx].InitFrom(OutCurve);
}
// get all child atoms we interested in
for(int32 I = 0; I < BlendSampleDataCache.Num(); ++I)
{
FCompactPose& Pose = ChildrenPoses[I];
if(SampleData.IsValidIndex(BlendSampleDataCache[I].SampleDataIndex))
{
const FBlendSample& Sample = SampleData[BlendSampleDataCache[I].SampleDataIndex];
ChildrenWeights[I] = BlendSampleDataCache[I].GetWeight();
if(Sample.Animation)
{
const float Time = FMath::Clamp<float>(BlendSampleDataCache[I].Time, 0.f, Sample.Animation->SequenceLength);
// first one always fills up the source one
Sample.Animation->GetAnimationPose(Pose, ChildrenCurves[I], FAnimExtractContext(Time, true));
}
else
{
Pose.ResetToRefPose();
}
}
else
{
Pose.ResetToRefPose();
}
}
TArrayView<FCompactPose> ChildrenPosesView(ChildrenPoses);
if (PerBoneBlend.Num() > 0)
{
if (IsValidAdditive())
{
if (bRotationBlendInMeshSpace)
{
FAnimationRuntime::BlendPosesTogetherPerBoneInMeshSpace(ChildrenPosesView, ChildrenCurves, this, BlendSampleDataCache, OutPose, OutCurve);
}
else
{
FAnimationRuntime::BlendPosesTogetherPerBone(ChildrenPosesView, ChildrenCurves, this, BlendSampleDataCache, OutPose, OutCurve);
}
}
else
{
FAnimationRuntime::BlendPosesTogetherPerBone(ChildrenPosesView, ChildrenCurves, this, BlendSampleDataCache, OutPose, OutCurve);
}
}
else
{
FAnimationRuntime::BlendPosesTogether(ChildrenPosesView, ChildrenCurves, ChildrenWeights, OutPose, OutCurve);
}
// Once all the accumulation and blending has been done, normalize rotations.
OutPose.NormalizeRotations();
}
bool UAnimSingleNodeInstance::NativeEvaluateAnimation(FPoseContext& Output)
{
if (CurrentAsset != NULL)
{
//@TODO: animrefactor: Seems like more code duplication than we need
if (UBlendSpaceBase* BlendSpace = Cast<UBlendSpaceBase>(CurrentAsset))
{
InternalBlendSpaceEvaluatePose(BlendSpace, BlendSampleData, Output);
}
else if (UAnimSequence* Sequence = Cast<UAnimSequence>(CurrentAsset))
{
if (Sequence->IsValidAdditive())
{
FAnimExtractContext ExtractionContext(CurrentTime, Sequence->bEnableRootMotion);
Sequence->GetAdditiveBasePose(Output.Pose, Output.Curve, ExtractionContext);
FCompactPose AdditivePose;
FBlendedCurve AdditiveCurve;
AdditivePose.SetBoneContainer(&Output.Pose.GetBoneContainer());
AdditiveCurve.InitFrom(Output.Curve);
Sequence->GetAnimationPose(AdditivePose, AdditiveCurve, ExtractionContext);
FAnimationRuntime::AccumulateAdditivePose(Output.Pose, AdditivePose, Output.Curve, AdditiveCurve, 1.f, Sequence->AdditiveAnimType);
Output.Pose.NormalizeRotations();
}
else
{
// if SkeletalMesh isn't there, we'll need to use skeleton
Sequence->GetAnimationPose(Output.Pose, Output.Curve, FAnimExtractContext(CurrentTime, Sequence->bEnableRootMotion));
}
}
else if (UAnimComposite* Composite = Cast<UAnimComposite>(CurrentAsset))
{
FAnimExtractContext ExtractionContext(CurrentTime, ShouldExtractRootMotion());
const FAnimTrack& AnimTrack = Composite->AnimationTrack;
// find out if this is additive animation
if (AnimTrack.IsAdditive())
{
#if WITH_EDITORONLY_DATA
if (Composite->PreviewBasePose)
{
Composite->PreviewBasePose->GetAdditiveBasePose(Output.Pose, Output.Curve, ExtractionContext);
}
else
#endif
{
// get base pose - for now we only support ref pose as base
Output.Pose.ResetToRefPose();
}
EAdditiveAnimationType AdditiveAnimType = AnimTrack.IsRotationOffsetAdditive()? AAT_RotationOffsetMeshSpace : AAT_LocalSpaceBase;
FCompactPose AdditivePose;
FBlendedCurve AdditiveCurve;
AdditivePose.SetBoneContainer(&Output.Pose.GetBoneContainer());
AdditiveCurve.InitFrom(Output.Curve);
Composite->GetAnimationPose(AdditivePose, AdditiveCurve, ExtractionContext);
FAnimationRuntime::AccumulateAdditivePose(Output.Pose, AdditivePose, Output.Curve, AdditiveCurve, 1.f, AdditiveAnimType);
}
else
{
//doesn't handle additive yet
Composite->GetAnimationPose(Output.Pose, Output.Curve, ExtractionContext);
}
}
else if (UAnimMontage* Montage = Cast<UAnimMontage>(CurrentAsset))
{
// for now only update first slot
// in the future, add option to see which slot to see
if (Montage->SlotAnimTracks.Num() > 0)
{
FCompactPose SourcePose;
FBlendedCurve SourceCurve;
SourcePose.SetBoneContainer(&Output.Pose.GetBoneContainer());
SourceCurve.InitFrom(Output.Curve);
if (Montage->IsValidAdditive())
{
#if WITH_EDITORONLY_DATA
// if montage is additive, we need to have base pose for the slot pose evaluate
if (Montage->PreviewBasePose && Montage->SequenceLength > 0.f)
{
Montage->PreviewBasePose->GetBonePose(SourcePose, SourceCurve, FAnimExtractContext(CurrentTime));
}
else
#endif // WITH_EDITORONLY_DATA
{
SourcePose.ResetToRefPose();
}
}
else
{
SourcePose.ResetToRefPose();
}
SlotEvaluatePose(Montage->SlotAnimTracks[0].SlotName, SourcePose, SourceCurve, Output.Pose, Output.Curve, 1.f);
}
}
}
if(CurrentVertexAnim != NULL)
{
VertexAnims.Add(FActiveVertexAnim(CurrentVertexAnim, 1.f, CurrentTime));
}
return true;
}