/** This is called while going forwards in time again to reach current
* time. Calls rewind() in the event rewinder.
*/
virtual void rewind()
{
// Make sure to reset the buffer so we read from the beginning
m_buffer->reset();
m_event_rewinder->rewind(m_buffer);
} // rewind
/** Called when going back in time to undo any rewind information.
* It calls undoEvent in the rewinder. */
virtual void undo()
{
m_buffer->reset();
m_event_rewinder->undo(m_buffer);
} // undo