PlayRequest()

override bool PlayRequest	(	int	id,
		bool	sent_from_server = false )

same sound event - skip

См. определение в файле InfectedSoundEventHandler.c строка 82

    {
        InfectedSoundEventBase requested_state = m_AvailableStates[id];
 
        if ( !requested_state.CanPlay() )
        {
            return false;
        }
        
        if (m_CurrentState)
        {
            if (!m_CurrentState.IsSoundCallbackExist())
            {
                //Print("Missing callback - cleanup and continue");
                delete m_CurrentState;
            }
            
            if (GetCurrentStateEventID() == id)
            {
                //Print("Same ID - skipping");
                return false;
            }
        }
        
        if (m_CurrentState)
        {
            m_CurrentState.SoftStop();
            m_CurrentState = InfectedSoundEventBase.Cast(requested_state.ClassName().ToType().Spawn());
            m_CurrentState.Init(m_Infected);
            m_CurrentState.Play();
            return true;
        }
        else
        {
            m_CurrentState = InfectedSoundEventBase.Cast(requested_state.ClassName().ToType().Spawn());
            m_CurrentState.Init(m_Infected);
            m_CurrentState.Play();
            return true;
        }
 
        return false;//should never get here
    }

Перекрестные ссылки InfectedSoundEventBase::CanPlay(), GetCurrentStateEventID(), m_AvailableStates, m_CurrentState и m_Infected.