void FBoneHierarchyBuilder::CopyToRefSkeleton(FReferenceSkeleton& RefSkeleton)
{
for (int32 SourceBoneIndex = 0; SourceBoneIndex < AllBones.Num(); ++SourceBoneIndex)
{
const FName BoneName(AllBones[SourceBoneIndex]);
const int32 ParentIndex(ParentIndices[SourceBoneIndex]);
const FMeshBoneInfo BoneInfo(BoneName, BoneName.ToString(), ParentIndex);
const FTransform& Transform = Transforms[SourceBoneIndex];
RefSkeleton.Add(BoneInfo, Transform);
}
}
/**
* Process and fill in the mesh ref skeleton bone hierarchy using the raw binary import data
*
* @param RefSkeleton - [out] reference skeleton hierarchy to update
* @param SkeletalDepth - [out] depth of the reference skeleton hierarchy
* @param ImportData - raw binary import data to process
* @return true if the operation completed successfully
*/
bool ProcessImportMeshSkeleton(FReferenceSkeleton& RefSkeleton, int32& SkeletalDepth, FSkeletalMeshImportData& ImportData)
{
TArray <VBone>& RefBonesBinary = ImportData.RefBonesBinary;
// Setup skeletal hierarchy + names structure.
RefSkeleton.Empty();
// Digest bones to the serializable format.
for( int32 b=0; b<RefBonesBinary.Num(); b++ )
{
const VBone & BinaryBone = RefBonesBinary[ b ];
const FString BoneName = FSkeletalMeshImportData::FixupBoneName( BinaryBone.Name );
const FMeshBoneInfo BoneInfo(FName(*BoneName, FNAME_Add, true), BinaryBone.ParentIndex);
const FTransform BoneTransform(BinaryBone.BonePos.Orientation, BinaryBone.BonePos.Position, FVector(1.f));
if(RefSkeleton.FindBoneIndex(BoneInfo.Name) != INDEX_NONE)
{
UnFbx::FFbxImporter* FFbxImporter = UnFbx::FFbxImporter::GetInstance();
FFbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, FText::Format(LOCTEXT("SkeletonHasDuplicateBones", "Skeleton has non-unique bone names.\nBone named '{0}' encountered more than once."), FText::FromName(BoneInfo.Name))));
return false;
}
RefSkeleton.Add(BoneInfo, BoneTransform);
}
// Add hierarchy index to each bone and detect max depth.
SkeletalDepth = 0;
TArray<int32> SkeletalDepths;
SkeletalDepths.Empty( RefBonesBinary.Num() );
SkeletalDepths.AddZeroed( RefBonesBinary.Num() );
for( int32 b=0; b < RefSkeleton.GetNum(); b++ )
{
int32 Parent = RefSkeleton.GetParentIndex(b);
int32 Depth = 1.0f;
SkeletalDepths[b] = 1.0f;
if( Parent != INDEX_NONE )
{
Depth += SkeletalDepths[Parent];
}
if( SkeletalDepth < Depth )
{
SkeletalDepth = Depth;
}
SkeletalDepths[b] = Depth;
}
return true;
}