// called once per game logic update to obtain the replayed input events;

void CGamePlayback::playUpdate(int gameTicks, CGameInput &gameInput)
{
    while(m_pcurrent < m_pevents)
    {
        // check if the current input is still active, else move to the next;

        if(gameTicks != m_playEvents[m_pcurrent].gameTickNext())
        {
            gameInput.clearEvents();
            gameInput.event() = m_playEvents[m_pcurrent].event();

            return;
        }
        else
        {
            m_pcurrent++;
        }
    }
}

// called once per game logic update to log the current input events;

void CGamePlayback::recordUpdate(int gameTicks)
{
    // if the input state has changed, save the old one and log the new one;
    // otherwise, just increment the current input event length;

    if(m_recordEvent.event() != m_readEvent.event())
    {
        m_recordEvent.gameTickNext() = gameTicks;

        saveEvent();

        // new event;

        m_readEvent.gameTick() = gameTicks;
        m_readEvent.gameTickLength() = 1;
    }
    else
    {
        m_readEvent.gameTickLength()++;
    }

    m_recordEvent = m_readEvent;
}
 

void CRenderEngine::flushDeadLights()
{
    ASSERT(m_lpDevice != NULL);
    
    for(int i=0; i<MAX_LIGHTS; i++)
    {
        if((m_lights[i] != NULL) && !m_lights[i]->isAlive())
        {
            m_lpDevice->LightEnable(i, FALSE);
            m_lights[i] = NULL;
        }
    }
}