namespace mu { enum EBoneUsageFlags { None = 0, Root = 1 << 1, Skinning = 1 << 2, SkinningParent = 1 << 3, Physics = 1 << 4, PhysicsParent = 1 << 5, Deform = 1 << 6, DeformParent = 1 << 7, Reshaped = 1 << 8, } }