void UAnimPreviewInstance::SetKeyImplementation(const FCompactPose& PreControllerInLocalSpace, const FCompactPose& PostControllerInLocalSpace)
{
#if WITH_EDITOR
// evaluate the curve data first
UAnimSequence* CurrentSequence = Cast<UAnimSequence>(CurrentAsset);
UDebugSkelMeshComponent* Component = Cast<UDebugSkelMeshComponent> (GetSkelMeshComponent());
if(CurrentSequence && CurrentSkeleton && Component && Component->SkeletalMesh)
{
FScopedTransaction ScopedTransaction(LOCTEXT("SetKey", "Set Key"));
CurrentSequence->Modify(true);
Modify();
TArray<FName> BonesToModify;
// need to get component transform first. Depending on when this gets called, the transform is not up-to-date.
// first look at the bonecontrollers, and convert each bone controller to transform curve key
// and add new curvebonecontrollers with additive data type
// clear bone controller data
for(auto& SingleBoneController : BoneControllers)
{
// find bone name, and just get transform of the bone in local space
// and get the additive data
// find if this already exists, then just add curve data only
FName BoneName = SingleBoneController.BoneToModify.BoneName;
// now convert data
const FMeshPoseBoneIndex MeshBoneIndex(Component->GetBoneIndex(BoneName));
const FCompactPoseBoneIndex BoneIndex = RequiredBones.MakeCompactPoseIndex(MeshBoneIndex);
FTransform LocalTransform = PostControllerInLocalSpace[BoneIndex];
// now we have LocalTransform and get additive data
FTransform AdditiveTransform = LocalTransform.GetRelativeTransform(PreControllerInLocalSpace[BoneIndex]);
AddKeyToSequence(CurrentSequence, CurrentTime, BoneName, AdditiveTransform);
BonesToModify.Add(BoneName);
}
// see if the bone is selected right now and if that is added - if bone is selected, we should add identity key to it.
if ( Component->BonesOfInterest.Num() > 0 )
{
// if they're selected, we should add to the modifyBone list even if they're not modified, so that they can key that point.
// first make sure those are added
// if not added, make sure to set the key for them
for (const auto& BoneIndex : Component->BonesOfInterest)
{
FName BoneName = Component->GetBoneName(BoneIndex);
// if it's not on BonesToModify, add identity here.
if (!BonesToModify.Contains(BoneName))
{
AddKeyToSequence(CurrentSequence, CurrentTime, BoneName, FTransform::Identity);
}
}
}
ResetModifiedBone(false);
OnSetKeyCompleteDelegate.ExecuteIfBound();
}
#endif
}
