void UAnimGraphNode_SkeletalControlBase::ConvertToComponentSpaceTransform(const USkeletalMeshComponent* SkelComp, const FTransform & InTransform, FTransform & OutCSTransform, int32 BoneIndex, EBoneControlSpace Space) const
{
USkeleton * Skeleton = SkelComp->SkeletalMesh->Skeleton;
switch (Space)
{
case BCS_WorldSpace:
{
OutCSTransform = InTransform;
OutCSTransform.SetToRelativeTransform(SkelComp->ComponentToWorld);
}
break;
case BCS_ComponentSpace:
{
// Component Space, no change.
OutCSTransform = InTransform;
}
break;
case BCS_ParentBoneSpace:
if (BoneIndex != INDEX_NONE)
{
const int32 ParentIndex = Skeleton->GetReferenceSkeleton().GetParentIndex(BoneIndex);
if (ParentIndex != INDEX_NONE)
{
const int32 MeshParentIndex = Skeleton->GetMeshBoneIndexFromSkeletonBoneIndex(SkelComp->SkeletalMesh, ParentIndex);
if (MeshParentIndex != INDEX_NONE)
{
const FTransform ParentTM = SkelComp->GetBoneTransform(MeshParentIndex);
OutCSTransform = InTransform * ParentTM;
}
else
{
OutCSTransform = InTransform;
}
}
}
break;
case BCS_BoneSpace:
if (BoneIndex != INDEX_NONE)
{
const int32 MeshBoneIndex = Skeleton->GetMeshBoneIndexFromSkeletonBoneIndex(SkelComp->SkeletalMesh, BoneIndex);
if (MeshBoneIndex != INDEX_NONE)
{
const FTransform BoneTM = SkelComp->GetBoneTransform(MeshBoneIndex);
OutCSTransform = InTransform * BoneTM;
}
else
{
OutCSTransform = InTransform;
}
}
break;
default:
if (SkelComp->SkeletalMesh)
{
UE_LOG(LogAnimation, Warning, TEXT("ConvertToComponentSpaceTransform: Unknown BoneSpace %d for Mesh: %s"), (uint8)Space, *SkelComp->SkeletalMesh->GetFName().ToString());
}
else
{
UE_LOG(LogAnimation, Warning, TEXT("ConvertToComponentSpaceTransform: Unknown BoneSpace %d for Skeleton: %s"), (uint8)Space, *Skeleton->GetFName().ToString());
}
break;
}
}
