Exemple #1
0
int32 USkeleton::BuildLinkup(const USkeletalMesh* InSkelMesh)
{
	const FReferenceSkeleton& SkeletonRefSkel = ReferenceSkeleton;
	const FReferenceSkeleton& MeshRefSkel = InSkelMesh->RefSkeleton;

	// @todoanim : need to refresh NULL SkeletalMeshes from Cache
	// since now they're autoweak pointer, they will go away if not used
	// so whenever map transition happens, this links will need to clear up
	FSkeletonToMeshLinkup NewMeshLinkup;

	// First, make sure the Skeleton has all the bones the SkeletalMesh possesses.
	// This can get out of sync if a mesh was imported on that Skeleton, but the Skeleton was not saved.

	const int32 NumMeshBones = MeshRefSkel.GetNum();
	NewMeshLinkup.MeshToSkeletonTable.Empty(NumMeshBones);
	NewMeshLinkup.MeshToSkeletonTable.AddUninitialized(NumMeshBones);

	for (int32 MeshBoneIndex = 0; MeshBoneIndex < NumMeshBones; MeshBoneIndex++)
	{
		const FName MeshBoneName = MeshRefSkel.GetBoneName(MeshBoneIndex);
		int32 SkeletonBoneIndex = SkeletonRefSkel.FindBoneIndex(MeshBoneName);

#if WITH_EDITOR
		// If we're in editor, and skeleton is missing a bone, fix it.
		// not currently supported in-game.
		if (SkeletonBoneIndex == INDEX_NONE)
		{
			FMessageDialog::Open(EAppMsgType::Ok, FText::Format(LOCTEXT("SkeletonBuildLinkupMissingBones", "The Skeleton {0}, is missing bones that SkeletalMesh {1} needs. They will be added now. Please save the Skeleton!"), FText::FromString(GetNameSafe(this)), FText::FromString(GetNameSafe(InSkelMesh))));

			// Re-add all SkelMesh bones to the Skeleton.
			MergeAllBonesToBoneTree(InSkelMesh);

			// Fix missing bone.
			SkeletonBoneIndex = SkeletonRefSkel.FindBoneIndex(MeshBoneName);
		}
#endif

		NewMeshLinkup.MeshToSkeletonTable[MeshBoneIndex] = SkeletonBoneIndex;
	}

	const int32 NumSkeletonBones = SkeletonRefSkel.GetNum();
	NewMeshLinkup.SkeletonToMeshTable.Empty(NumSkeletonBones);
	NewMeshLinkup.SkeletonToMeshTable.AddUninitialized(NumSkeletonBones);
	
	for (int32 SkeletonBoneIndex=0; SkeletonBoneIndex<NumSkeletonBones; SkeletonBoneIndex++)
	{
		const int32 MeshBoneIndex = MeshRefSkel.FindBoneIndex( SkeletonRefSkel.GetBoneName(SkeletonBoneIndex) );
		NewMeshLinkup.SkeletonToMeshTable[SkeletonBoneIndex] = MeshBoneIndex;
	}

	int32 NewIndex = LinkupCache.Add(NewMeshLinkup);
	check (NewIndex != INDEX_NONE);
	SkelMesh2LinkupCache.Add(InSkelMesh, NewIndex);

	return NewIndex;
}
Exemple #2
0
bool USkeleton::RecreateBoneTree(USkeletalMesh* InSkelMesh)
{
	if( InSkelMesh )
	{
		// regenerate Guid
		RegenerateGuid();	
		BoneTree.Empty();
		ReferenceSkeleton.Empty();
		return MergeAllBonesToBoneTree(InSkelMesh);
	}
	return false;
}