class AnimationBinder
  {
        public:
            virtual void anim(ISkinnedMesh*) = 0;
  };
  class CustomManagerAnimation
  {
        public:
            CustomManagerAnimation()
            {
                upper.push_back(FollowCusorToHeadAnimation);
                middle.push_back(AttackAnimation);
                middle.push_back(UseObjectAnimation);
                lower.push_back(RunAnimation);
                lower.push_back(JumpAnimation);
                lower.push_back(CrouchAnimation);
                lower.push_back(IdleAnimation);
                ....
            }
            ...
            setLowerAnimation(int);
            ...
            void anim(ISkinnedMesh *a)
            {
                upper[upper_anim].anim(a);
                middle[middle_anim].anim(a);
                lowerlower[lower_anim].anim(a);
            }
        private:
            irr::core::array<AnimationBinder> upper;
            irr::core::array<AnimationBinder> middle;
            irr::core::array<AnimationBinder> lower;
            ...
  };