/// <summary>
/// Generic unload, called by SkeletonManager.
/// </summary>
protected override void UnloadImpl()
{
// destroy bones
boneList.Clear();
namedBoneList.Clear();
rootBones.Clear();
// manualBones.Clear();
// manualBonesDirty = false;
// Destroy animations
animationList.Clear();
// Remove all linked skeletons
// linkedSkeletonAnimSourceList.Clear();
}