/**
     * Pre GPI/GMI Updating for movement.
     *
     * @param localUpdate
     * @param player
     * @param packet
     */
    protected void manageMovement(boolean localUpdate, Player player, PacketBuilder packet) {
        int movementUpdateId = (localUpdate && (player.isTeleporting() || player.isMapRegionUpdate())) ? 3
                                            : player.getDirections().getSecondDirection() != null ? 2
                                            : player.getDirections().getDirection() != null ? 1
                                            : player.getMasks().requiresUpdate() ? 0
                                            : -1;
        /*
         * They are, so an update is required.
         */
        packet.putBits(1, movementUpdateId == -1 ? 0 : 1);

        if (movementUpdateId != -1) {
          /*
           * tell the client that our player teleported/changeregion, has movement, or is standing still.
           */
            packet.putBits(2, movementUpdateId);
            if (movementUpdateId == 3) {
                /**
                 * Apply custom/scrambled bits for Teleport/region change
                 */
                handleRegionChange(player, packet);
            } else if (movementUpdateId > 0) {
            /*
             * Write the primary sprite (i.e. walk direction).
             */
                packet.putBits(3, player.getDirections().getDirection().intValue());
                if (movementUpdateId == 2) {
                    /*
                     * Write the secondary sprite (i.e. run direction).
                     */
                    packet.putBits(3, player.getDirections().getSecondDirection().intValue());
                }
            /*
             * Write a flag indicating if a block update happened.
             */
                packet.putBits(1, player.getMasks().requiresUpdate() ? 1 : 0);
            }
        }
    }