/** General update function called once per frame. This updates the kart
* sectors, which are then used to determine the kart positions.
* \param dt Time step size.
*/
void LinearWorld::update(float dt)
{
// run generic parent stuff that applies to all modes. It
// especially updates the kart positions.
WorldWithRank::update(dt);
if (m_last_lap_sfx_playing &&
m_last_lap_sfx->getStatus() != SFXBase::SFX_PLAYING)
{
music_manager->resetTemporaryVolume();
m_last_lap_sfx_playing = false;
}
const unsigned int kart_amount = getNumKarts();
// Do stuff specific to this subtype of race.
// ------------------------------------------
for(unsigned int n=0; n<kart_amount; n++)
{
KartInfo& kart_info = m_kart_info[n];
AbstractKart* kart = m_karts[n];
// Nothing to do for karts that are currently being
// rescued or eliminated
if(kart->getKartAnimation()) continue;
kart_info.getTrackSector()->update(kart->getFrontXYZ());
kart_info.m_overall_distance = kart_info.m_race_lap
* m_track->getTrackLength()
+ getDistanceDownTrackForKart(kart->getWorldKartId());
} // for n
// Update all positions. This must be done after _all_ karts have
// updated their position and laps etc, otherwise inconsistencies
// (like two karts at same position) can occur.
// ---------------------------------------------------------------
WorldWithRank::updateTrack(dt);
updateRacePosition();
for (unsigned int i=0; i<kart_amount; i++)
{
// ---------- update rank ------
if (m_karts[i]->hasFinishedRace() ||
m_karts[i]->isEliminated() ) continue;
// During the last lap update the estimated finish time.
// This is used to play the faster music, and by the AI
if (m_kart_info[i].m_race_lap == race_manager->getNumLaps()-1)
{
m_kart_info[i].m_estimated_finish =
estimateFinishTimeForKart(m_karts[i]);
}
checkForWrongDirection(i, dt);
}
#ifdef DEBUG
// Debug output in case that the double position error occurs again.
std::vector<int> pos_used;
pos_used.resize(kart_amount+1, -99);
for(unsigned int i=0; i<kart_amount; i++)
{
if(pos_used[m_karts[i]->getPosition()]!=-99)
{
for(unsigned int j=0; j<kart_amount; j++)
{
Log::verbose("[LinearWorld]", "kart id=%u, position=%d, finished=%d, laps=%d, "
"distanceDownTrack=%f overallDistance=%f %s",
j, m_karts[j]->getPosition(),
m_karts[j]->hasFinishedRace(),
m_kart_info[j].m_race_lap,
getDistanceDownTrackForKart(m_karts[j]->getWorldKartId()),
m_kart_info[j].m_overall_distance,
(m_karts[j]->getPosition() == m_karts[i]->getPosition()
? "<--- !!!" : "") );
}
}
pos_used[m_karts[i]->getPosition()]=i;
}
#endif
} // update
