void USkeleton::HandleSkeletonHierarchyChange()
{
MarkPackageDirty();
RegenerateGuid();
// Clear exiting MeshLinkUp tables.
ClearCacheData();
// Fix up loaded animations (any animations that aren't loaded will be fixed on load)
for(TObjectIterator<UAnimationAsset> It; It; ++It)
{
UAnimationAsset* CurrentAnimation = *It;
if (CurrentAnimation->GetSkeleton() == this)
{
CurrentAnimation->ValidateSkeleton();
}
}
#if WITH_EDITORONLY_DATA
RefreshAllRetargetSources();
#endif
OnSkeletonHierarchyChanged.Broadcast();
}
void USkeleton::HandleSkeletonHierarchyChange()
{
MarkPackageDirty();
RegenerateGuid();
// Fix up loaded animations (any animations that aren't loaded will be fixed on load)
for(TObjectIterator<UAnimationAsset> It; It; ++It)
{
UAnimationAsset* CurrentAnimation = *It;
CurrentAnimation->ValidateSkeleton();
}
RefreshAllRetargetSources();
OnSkeletonHierarchyChanged.Broadcast();
}
bool USkeleton::MergeBonesToBoneTree(USkeletalMesh * InSkeletalMesh, const TArray<int32> & RequiredRefBones)
{
// see if it needs all animation data to remap - only happens when bone structure CHANGED - added
bool bSuccess = false;
// clear cache data since it won't work anymore once this is done
ClearCacheData();
// if it's first time
if( BoneTree.Num() == 0 )
{
bSuccess = CreateReferenceSkeletonFromMesh(InSkeletalMesh, RequiredRefBones);
}
else
{
// can we play? - hierarchy matches
if( IsCompatibleMesh(InSkeletalMesh) )
{
// Exclude bones who do not have a parent.
TArray<int32> FilteredRequiredBones;
FAnimationRuntime::ExcludeBonesWithNoParents(RequiredRefBones, InSkeletalMesh->RefSkeleton, FilteredRequiredBones);
for (int32 Index=0; Index<FilteredRequiredBones.Num(); Index++)
{
const int32& MeshBoneIndex = FilteredRequiredBones[Index];
const int32& SkeletonBoneIndex = ReferenceSkeleton.FindBoneIndex(InSkeletalMesh->RefSkeleton.GetBoneName(MeshBoneIndex));
// Bone doesn't already exist. Add it.
if( SkeletonBoneIndex == INDEX_NONE )
{
FMeshBoneInfo NewMeshBoneInfo = InSkeletalMesh->RefSkeleton.GetRefBoneInfo()[MeshBoneIndex];
// Fix up ParentIndex for our new Skeleton.
if( ReferenceSkeleton.GetNum() == 0 )
{
NewMeshBoneInfo.ParentIndex = INDEX_NONE; // root
}
else
{
NewMeshBoneInfo.ParentIndex = ReferenceSkeleton.FindBoneIndex(InSkeletalMesh->RefSkeleton.GetBoneName(InSkeletalMesh->RefSkeleton.GetParentIndex(MeshBoneIndex)));
}
ReferenceSkeleton.Add(NewMeshBoneInfo, InSkeletalMesh->RefSkeleton.GetRefBonePose()[MeshBoneIndex]);
BoneTree.AddZeroed(1);
MarkPackageDirty();
}
}
bSuccess = true;
}
}
// if succeed
if (bSuccess)
{
InSkeletalMesh->Skeleton = this;
InSkeletalMesh->MarkPackageDirty();
// make sure to refresh all base poses
// so that they have same number of bones of ref pose
#if WITH_EDITORONLY_DATA
RefreshAllRetargetSources();
#endif
}
return bSuccess;
}
