void FMovieSceneSkeletalAnimationTrackInstance::PreviewSetAnimPosition(USkeletalMeshComponent* SkeletalMeshComponent, FName SlotName, int32 ChannelIndex, UAnimSequenceBase* InAnimSequence, float InPosition, bool bLooping, bool bFireNotifies, float DeltaTime, bool bPlaying, bool bResetDynamics)
{
if(CanPlayAnimation(SkeletalMeshComponent, InAnimSequence))
{
UAnimMontage* Montage = FAnimMontageInstance::PreviewMatineeSetAnimPositionInner(SlotName, SkeletalMeshComponent, InAnimSequence, InPosition, bLooping, bFireNotifies, DeltaTime);
// if we are not playing, make sure we dont continue (as skeletal meshes can still tick us onwards)
UAnimInstance* AnimInst = SkeletalMeshComponent->GetAnimInstance();
UAnimSingleNodeInstance * SingleNodeInst = SkeletalMeshComponent->GetSingleNodeInstance();
if(SingleNodeInst)
{
SingleNodeInst->SetPlaying(bPlaying);
}
else if (AnimInst)
{
if(Montage)
{
if(bPlaying)
{
AnimInst->Montage_Resume(Montage);
}
else
{
AnimInst->Montage_Pause(Montage);
}
}
if(bResetDynamics)
{
// make sure we reset any simulations
AnimInst->ResetDynamics();
}
}
}
}
void SAnimationSegmentViewport::InitSkeleton()
{
UObject *Object = NULL;
AnimRefPropertyHandle->GetValue(Object);
UAnimSequenceBase *AnimSequence = Cast<UAnimSequenceBase>(Object);
USkeleton *Skeleton = NULL;
if(AnimSequence != NULL)
{
Skeleton = AnimSequence->GetSkeleton();
}
if( PreviewComponent != NULL && Skeleton != NULL )
{
USkeletalMesh* PreviewMesh = Skeleton->GetAssetPreviewMesh(AnimSequence);
if (PreviewMesh)
{
UAnimSingleNodeInstance * Preview = PreviewComponent->PreviewInstance;
if((Preview == NULL || Preview->GetCurrentAsset() != AnimSequence) ||
(PreviewComponent->SkeletalMesh != PreviewMesh))
{
PreviewComponent->SetSkeletalMesh(PreviewMesh);
PreviewComponent->EnablePreview(true, AnimSequence, NULL);
PreviewComponent->PreviewInstance->SetLooping(true);
//Place the camera at a good viewer position
FVector NewPosition = LevelViewportClient->GetViewLocation();
NewPosition.Normalize();
LevelViewportClient->SetViewLocation(NewPosition * (PreviewMesh->GetImportedBounds().SphereRadius*1.5f));
}
}
}
TargetSkeleton = Skeleton;
}
void FMovieSceneSkeletalAnimationTrackInstance::RefreshInstance( const TArray<TWeakObjectPtr<UObject>>& RuntimeObjects, IMovieScenePlayer& Player, FMovieSceneSequenceInstance& SequenceInstance )
{
UpdateRefreshBones(RuntimeObjects);
// When not in preview playback we need to stop any running animations to prevent the animations from being advanced a frame when
// they are ticked by the engine.
for ( TWeakObjectPtr<UObject> RuntimeObjectPtr : RuntimeObjects )
{
if ( ShouldUsePreviewPlayback( Player, RuntimeObjectPtr.Get() ) == false )
{
USkeletalMeshComponent* SkeletalMeshComponent = GetSkeletalMeshComponentFromRuntimeObjectPtr( RuntimeObjectPtr );
if ( SkeletalMeshComponent != nullptr )
{
UAnimInstance* AnimInstance = SkeletalMeshComponent->GetAnimInstance();
if ( AnimInstance )
{
UAnimSingleNodeInstance * SingleNodeInstance = SkeletalMeshComponent->GetSingleNodeInstance();
if ( SingleNodeInstance )
{
SingleNodeInstance->SetPlaying( false );
}
// TODO: Anim montage?
}
}
}
}
}
EPlaybackMode::Type SAnimationSegmentScrubPanel::GetPlaybackMode() const
{
UAnimSingleNodeInstance* PreviewInst = GetPreviewInstance();
if (PreviewInst && PreviewInst->IsPlaying())
{
return PreviewInst->IsReverse() ? EPlaybackMode::PlayingReverse : EPlaybackMode::PlayingForward;
}
return EPlaybackMode::Stopped;
}
float SAnimationSegmentScrubPanel::GetScrubValue() const
{
if (DoesSyncViewport())
{
UAnimSingleNodeInstance* PreviewInst = GetPreviewInstance();
if (PreviewInst)
{
return PreviewInst->GetCurrentTime();
}
}
return 0.f;
}
void USkeletalMeshComponent::SetPlayRate(float Rate)
{
UAnimSingleNodeInstance* SingleNodeInstance = GetSingleNodeInstance();
if (SingleNodeInstance)
{
SingleNodeInstance->SetPlayRate(Rate);
}
else if( AnimScriptInstance != NULL )
{
UE_LOG(LogAnimation, Warning, TEXT("Currently in Animation Blueprint mode. Please change AnimationMode to Use Animation Asset"));
}
}
void USkeletalMeshComponent::SetAnimation(UAnimationAsset* NewAnimToPlay)
{
UAnimSingleNodeInstance* SingleNodeInstance = GetSingleNodeInstance();
if (SingleNodeInstance)
{
SingleNodeInstance->SetAnimationAsset(NewAnimToPlay, false);
SingleNodeInstance->bPlaying = false;
}
else if( AnimScriptInstance != NULL )
{
UE_LOG(LogAnimation, Warning, TEXT("Currently in Animation Blueprint mode. Please change AnimationMode to Use Animation Asset"));
}
}
void USkeletalMeshComponent::SetVertexAnimation(UVertexAnimation* NewVertexAnimation)
{
UAnimSingleNodeInstance* SingleNodeInstance = GetSingleNodeInstance();
if (SingleNodeInstance)
{
SingleNodeInstance->SetVertexAnimation(NewVertexAnimation, false);
// when set the asset, we shouldn't automatically play.
SingleNodeInstance->bPlaying = false;
}
else if( AnimScriptInstance != NULL )
{
UE_LOG(LogAnimation, Warning, TEXT("Currently in Animation Blueprint mode. Please change AnimationMode to Use Animation Asset"));
}
}
FReply SAnimationSegmentScrubPanel::OnClick_Forward()
{
UAnimSingleNodeInstance* PreviewInst = GetPreviewInstance();
if (PreviewInst)
{
bool bIsReverse = PreviewInst->IsReverse();
bool bIsPlaying = PreviewInst->IsPlaying();
// if current bIsReverse and bIsPlaying, we'd like to just turn off reverse
if (bIsReverse && bIsPlaying)
{
PreviewInst->SetReverse(false);
}
// already playing, simply pause
else if (bIsPlaying)
{
PreviewInst->SetPlaying(false);
}
// if not playing, play forward
else
{
PreviewInst->SetReverse(false);
PreviewInst->SetPlaying(true);
}
}
return FReply::Handled();
}
void FMovieSceneSkeletalAnimationTrackInstance::SetAnimPosition(USkeletalMeshComponent* SkeletalMeshComponent, FName SlotName, int32 ChannelIndex, UAnimSequenceBase* InAnimSequence, float InPosition, bool bLooping, bool bFireNotifies)
{
if (CanPlayAnimation(SkeletalMeshComponent, InAnimSequence))
{
UAnimMontage* Montage = FAnimMontageInstance::SetMatineeAnimPositionInner(SlotName, SkeletalMeshComponent, InAnimSequence, InPosition, bLooping);
// Ensure the sequence is not stopped
UAnimInstance* AnimInst = SkeletalMeshComponent->GetAnimInstance();
UAnimSingleNodeInstance* SingleNodeInst = SkeletalMeshComponent->GetSingleNodeInstance();
if(SingleNodeInst)
{
SingleNodeInst->SetPlaying(true);
}
else if (AnimInst && Montage)
{
AnimInst->Montage_Resume(Montage);
}
}
}
uint32 SAnimationSegmentScrubPanel::GetNumOfFrames() const
{
if (DoesSyncViewport())
{
UAnimSingleNodeInstance* PreviewInst = GetPreviewInstance();
float Length = PreviewInst->GetLength();
// if anim sequence, use correct num frames
int32 NumFrames = (int32) (Length/0.0333f);
if (PreviewInst->GetCurrentAsset() && PreviewInst->GetCurrentAsset()->IsA(UAnimSequenceBase::StaticClass()))
{
NumFrames = CastChecked<UAnimSequenceBase>(PreviewInst->GetCurrentAsset())->GetNumberOfFrames();
}
return NumFrames;
}
else if (LockedSequence)
{
return LockedSequence->GetNumberOfFrames();
}
return 1;
}
bool SAnimationSegmentScrubPanel::DoesSyncViewport() const
{
UAnimSingleNodeInstance* PreviewInst = GetPreviewInstance();
return (( LockedSequence==NULL && PreviewInst ) || ( LockedSequence && PreviewInst && PreviewInst->GetCurrentAsset() == LockedSequence ));
}
bool FBlendSpaceThumbnailScene::SetBlendSpace(class UBlendSpaceBase* InBlendSpace)
{
PreviewActor->GetSkeletalMeshComponent()->OverrideMaterials.Empty();
bool bSetSucessfully = false;
PreviewAnimation = InBlendSpace;
if (InBlendSpace)
{
if (USkeleton* Skeleton = InBlendSpace->GetSkeleton())
{
USkeletalMesh* PreviewSkeletalMesh = Skeleton->GetAssetPreviewMesh(InBlendSpace);
PreviewActor->GetSkeletalMeshComponent()->SetSkeletalMesh(PreviewSkeletalMesh);
if (PreviewSkeletalMesh)
{
bSetSucessfully = true;
UDebugSkelMeshComponent* MeshComponent = CastChecked<UDebugSkelMeshComponent>(PreviewActor->GetSkeletalMeshComponent());
// Handle posing the mesh at the middle of the animation
MeshComponent->EnablePreview(true, InBlendSpace);
MeshComponent->Play(false);
MeshComponent->Stop();
UAnimSingleNodeInstance* AnimInstance = MeshComponent->GetSingleNodeInstance();
if (AnimInstance)
{
FVector BlendInput(0.f);
for (int32 i = 0; i < InBlendSpace->NumOfDimension; ++i)
{
const FBlendParameter& Param = InBlendSpace->GetBlendParameter(i);
BlendInput[i] = (Param.GetRange() / 2.f) + Param.Min;
}
AnimInstance->UpdateBlendspaceSamples(BlendInput);
}
MeshComponent->TickAnimation(0.f, false);
MeshComponent->RefreshBoneTransforms(nullptr);
FTransform MeshTransform = FTransform::Identity;
PreviewActor->SetActorLocation(FVector(0, 0, 0), false);
PreviewActor->GetSkeletalMeshComponent()->UpdateBounds();
// Center the mesh at the world origin then offset to put it on top of the plane
const float BoundsZOffset = GetBoundsZOffset(PreviewActor->GetSkeletalMeshComponent()->Bounds);
PreviewActor->SetActorLocation(-PreviewActor->GetSkeletalMeshComponent()->Bounds.Origin + FVector(0, 0, BoundsZOffset), false);
PreviewActor->GetSkeletalMeshComponent()->RecreateRenderState_Concurrent();
}
}
}
if (!bSetSucessfully)
{
CleanupComponentChildren(PreviewActor->GetSkeletalMeshComponent());
PreviewActor->GetSkeletalMeshComponent()->SetAnimation(NULL);
PreviewActor->GetSkeletalMeshComponent()->SetSkeletalMesh(nullptr);
}
return bSetSucessfully;
}
bool FAnimationSequenceThumbnailScene::SetAnimation(UAnimSequenceBase* InAnimation)
{
PreviewActor->GetSkeletalMeshComponent()->OverrideMaterials.Empty();
bool bSetSucessfully = false;
PreviewAnimation = InAnimation;
if (InAnimation)
{
if (USkeleton* Skeleton = InAnimation->GetSkeleton())
{
USkeletalMesh* PreviewSkeletalMesh = Skeleton->GetAssetPreviewMesh(InAnimation);
PreviewActor->GetSkeletalMeshComponent()->SetSkeletalMesh(PreviewSkeletalMesh);
if (PreviewSkeletalMesh)
{
bSetSucessfully = true;
if (InAnimation->IsValidToPlay())
{
// Handle posing the mesh at the middle of the animation
const float AnimPosition = InAnimation->SequenceLength / 2.f;
UDebugSkelMeshComponent* MeshComponent = CastChecked<UDebugSkelMeshComponent>(PreviewActor->GetSkeletalMeshComponent());
MeshComponent->EnablePreview(true, InAnimation);
MeshComponent->Play(false);
MeshComponent->Stop();
MeshComponent->SetPosition(AnimPosition, false);
UAnimSingleNodeInstance* SingleNodeInstance = PreviewActor->GetSkeletalMeshComponent()->GetSingleNodeInstance();
if (SingleNodeInstance)
{
SingleNodeInstance->UpdateMontageWeightForTimeSkip(AnimPosition);
}
PreviewActor->GetSkeletalMeshComponent()->RefreshBoneTransforms(nullptr);
}
PreviewActor->SetActorLocation(FVector(0, 0, 0), false);
PreviewActor->GetSkeletalMeshComponent()->UpdateBounds();
// Center the mesh at the world origin then offset to put it on top of the plane
const float BoundsZOffset = GetBoundsZOffset(PreviewActor->GetSkeletalMeshComponent()->Bounds);
PreviewActor->SetActorLocation(-PreviewActor->GetSkeletalMeshComponent()->Bounds.Origin + FVector(0, 0, BoundsZOffset), false);
PreviewActor->GetSkeletalMeshComponent()->RecreateRenderState_Concurrent();
}
}
}
if(!bSetSucessfully)
{
CleanupComponentChildren(PreviewActor->GetSkeletalMeshComponent());
PreviewActor->GetSkeletalMeshComponent()->SetAnimation(NULL);
PreviewActor->GetSkeletalMeshComponent()->SetSkeletalMesh(nullptr);
}
return bSetSucessfully;
}