/** Is called by check structures if a kart starts a new lap.
* \param kart_index Index of the kart.
*/
void LinearWorld::newLap(unsigned int kart_index)
{
KartInfo &kart_info = m_kart_info[kart_index];
AbstractKart *kart = m_karts[kart_index];
// Reset reset-after-lap achievements
StateManager::ActivePlayer *c = kart->getController()->getPlayer();
PlayerProfile *p = PlayerManager::getCurrentPlayer();
if (c && c->getConstProfile() == p)
{
p->getAchievementsStatus()->onLapEnd();
}
// Only update the kart controller if a kart that has already finished
// the race crosses the start line again. This avoids 'fastest lap'
// messages if the end controller does a fastest lap, but especially
// allows the end controller to switch end cameras
if(kart->hasFinishedRace())
{
kart->getController()->newLap(kart_info.m_race_lap);
return;
}
const int lap_count = race_manager->getNumLaps();
// Only increase the lap counter and set the new time if the
// kart hasn't already finished the race (otherwise the race_gui
// will begin another countdown).
if(kart_info.m_race_lap+1 <= lap_count)
{
assert(kart->getWorldKartId()==kart_index);
kart_info.m_time_at_last_lap=getTime();
kart_info.m_race_lap++;
m_kart_info[kart_index].m_overall_distance =
m_kart_info[kart_index].m_race_lap * m_track->getTrackLength()
+ getDistanceDownTrackForKart(kart->getWorldKartId());
}
// Last lap message (kart_index's assert in previous block already)
if (raceHasLaps() && kart_info.m_race_lap+1 == lap_count)
{
m_race_gui->addMessage(_("Final lap!"), kart,
3.0f, video::SColor(255, 210, 100, 50), true);
if(!m_last_lap_sfx_played && lap_count > 1)
{
if (UserConfigParams::m_music)
{
m_last_lap_sfx->play();
m_last_lap_sfx_played = true;
m_last_lap_sfx_playing = true;
// In case that no music is defined
if(music_manager->getCurrentMusic() &&
music_manager->getMasterMusicVolume() > 0.2f)
{
music_manager->setTemporaryVolume(0.2f);
}
}
else
{
m_last_lap_sfx_played = true;
m_last_lap_sfx_playing = false;
}
}
}
else if (raceHasLaps() && kart_info.m_race_lap > 0 &&
kart_info.m_race_lap+1 < lap_count)
{
m_race_gui->addMessage(_("Lap %i", kart_info.m_race_lap+1),
kart, 3.0f, video::SColor(255, 210, 100, 50),
true);
}
// The race positions must be updated here: consider the situation where
// the first kart does not cross the finish line in its last lap, instead
// it passes it, the kart reverses and crosses the finishing line
// backwards. Just before crossing the finishing line the kart will be on
// the last lap, but with a distance along the track close to zero.
// Therefore its position will be wrong. If the race position gets updated
// after increasing the number of laps (but before tagging the kart to have
// finished the race) the position will be correct (since the kart now
// has one additional lap it will be ahead of the other karts).
// Without this call the incorrect position for this kart would remain
// (since a kart that has finished the race does not get its position
// changed anymore), potentially resulting in a duplicated race position
// (since the first kart does not have position 1, no other kart can get
// position 1, so one rank will be duplicated).
// Similarly the situation can happen if the distance along track should
// go back to zero before actually crossing the finishing line. While this
// should not happen, it could potentially be caused by floating point
// errors. In this case the call to updateRacePosition will avoid
// duplicated race positions as well.
updateRacePosition();
// Race finished
if(kart_info.m_race_lap >= race_manager->getNumLaps() && raceHasLaps())
{
kart->finishedRace(getTime());
}
float time_per_lap;
if (kart_info.m_race_lap == 1) // just completed first lap
{
time_per_lap=getTime();
}
else //completing subsequent laps
{
time_per_lap=getTime() - kart_info.m_lap_start_time;
}
// if new fastest lap
if(time_per_lap < m_fastest_lap && raceHasLaps() &&
kart_info.m_race_lap>0)
{
m_fastest_lap = time_per_lap;
std::string s = StringUtils::timeToString(time_per_lap);
// Store the temporary string because clang would mess this up
// (remove the stringw before the wchar_t* is used).
const core::stringw &kart_name = kart->getName();
//I18N: as in "fastest lap: 60 seconds by Wilber"
irr::core::stringw m_fastest_lap_message =
_C("fastest_lap", "%s by %s", s.c_str(), kart_name);
m_race_gui->addMessage(m_fastest_lap_message, NULL,
3.0f, video::SColor(255, 255, 255, 255), false);
m_race_gui->addMessage(_("New fastest lap"), NULL,
3.0f, video::SColor(255, 255, 255, 255), false);
} // end if new fastest lap
kart_info.m_lap_start_time = getTime();
kart->getController()->newLap(kart_info.m_race_lap);
} // newLap
/** Called at the end of a race. Updates highscores, pauses the game, and
* informs the unlock manager about the finished race. This function must
* be called after all other stats were updated from the different game
* modes.
*/
void World::terminateRace()
{
m_schedule_pause = false;
m_schedule_unpause = false;
// Update the estimated finishing time for all karts that haven't
// finished yet.
const unsigned int kart_amount = getNumKarts();
for(unsigned int i = 0; i < kart_amount ; i++)
{
if(!m_karts[i]->hasFinishedRace() && !m_karts[i]->isEliminated())
{
m_karts[i]->finishedRace(estimateFinishTimeForKart(m_karts[i]));
}
} // i<kart_amount
// Update highscores, and retrieve the best highscore if relevant
// to show it in the GUI
int best_highscore_rank = -1;
int best_finish_time = -1;
std::string highscore_who = "";
StateManager::ActivePlayer* best_player = NULL;
if (!this->isNetworkWorld())
{
updateHighscores(&best_highscore_rank, &best_finish_time, &highscore_who,
&best_player);
}
// Check achievements
PlayerManager::increaseAchievement(AchievementInfo::ACHIEVE_COLUMBUS,
getTrack()->getIdent(), 1);
if (raceHasLaps())
{
PlayerManager::increaseAchievement(AchievementInfo::ACHIEVE_MARATHONER,
"laps", race_manager->getNumLaps());
}
Achievement *achiev = PlayerManager::getCurrentAchievementsStatus()->getAchievement(AchievementInfo::ACHIEVE_GOLD_DRIVER);
if (achiev)
{
std::string mode_name = getIdent(); // Get the race mode name
int winner_position = 1;
unsigned int opponents = achiev->getInfo()->getGoalValue("opponents"); // Get the required opponents number
if (mode_name == IDENT_FTL)
{
winner_position = 2;
opponents++;
}
for(unsigned int i = 0; i < kart_amount; i++)
{
// Retrieve the current player
StateManager::ActivePlayer* p = m_karts[i]->getController()->getPlayer();
if (p && p->getConstProfile() == PlayerManager::getCurrentPlayer())
{
// Check if the player has won
if (m_karts[i]->getPosition() == winner_position && kart_amount > opponents )
{
// Update the achievement
mode_name = StringUtils::toLowerCase(mode_name);
if (achiev->getValue("opponents") <= 0)
PlayerManager::increaseAchievement(AchievementInfo::ACHIEVE_GOLD_DRIVER,
"opponents", opponents);
PlayerManager::increaseAchievement(AchievementInfo::ACHIEVE_GOLD_DRIVER,
mode_name, 1);
}
}
} // for i < kart_amount
} // if (achiev)
Achievement *win = PlayerManager::getCurrentAchievementsStatus()->getAchievement(AchievementInfo::ACHIEVE_UNSTOPPABLE);
//if achivement has been unlocked
if (win->getValue("wins") < 5 )
{
for(unsigned int i = 0; i < kart_amount; i++)
{
// Retrieve the current player
StateManager::ActivePlayer* p = m_karts[i]->getController()->getPlayer();
if (p && p->getConstProfile() == PlayerManager::getCurrentPlayer())
{
// Check if the player has won
if (m_karts[i]->getPosition() == 1 )
{
// Increase number of consecutive wins
PlayerManager::increaseAchievement(AchievementInfo::ACHIEVE_UNSTOPPABLE,
"wins", 1);
}
else
{
//Set number of consecutive wins to 0
win->reset();
}
}
}
}
PlayerManager::getCurrentPlayer()->raceFinished();
if (m_race_gui) m_race_gui->clearAllMessages();
// we can't delete the race gui here, since it is needed in case of
// a restart: the constructor of it creates some textures which assume
// that no scene nodes exist. In case of a restart there are scene nodes,
// so we can't create the race gui again, so we keep it around
// and save the pointer.
assert(m_saved_race_gui==NULL);
m_saved_race_gui = m_race_gui;
RaceResultGUI* results = RaceResultGUI::getInstance();
m_race_gui = results;
if (best_highscore_rank > 0)
{
results->setHighscore(highscore_who, best_player, best_highscore_rank,
best_finish_time);
}
else
{
results->clearHighscores();
}
results->push();
WorldStatus::terminateRace();
} // terminateRace
/** Updates skidding status.
* \param dt Time step size.
* \param is_on_ground True if the kart is on ground.
* \param steering Raw steering of the kart [-1,1], i.e. not adjusted by
* the kart's max steering angle.
* \param skidding True if the skid button is pressed.
*/
void Skidding::update(float dt, bool is_on_ground,
float steering, KartControl::SkidControl skidding)
{
// If a kart animation is shown, stop all skidding bonuses.
if(m_kart->getKartAnimation())
{
reset();
return;
}
#ifdef SKIDDING_PARTICLE_DEBUG
// This code will cause skidmarks to be displayed all the time, even
// when the kart is not moving.
m_kart->getKartGFX()->setCreationRateRelative(KartGFX::KGFX_SKIDL, 0.5f);
m_kart->getKartGFX()->setCreationRateRelative(KartGFX::KGFX_SKIDR, 0.5f);
#endif
// No skidding backwards or while stopped
if(m_kart->getSpeed() < m_min_skid_speed &&
m_skid_state != SKID_NONE && m_skid_state != SKID_BREAK)
{
m_skid_state = SKID_BREAK;
m_kart->getKartGFX()->setCreationRateAbsolute(KartGFX::KGFX_SKIDL, 0);
m_kart->getKartGFX()->setCreationRateAbsolute(KartGFX::KGFX_SKIDR, 0);
}
m_skid_bonus_ready = false;
if (is_on_ground)
{
if((fabs(steering) > 0.001f) &&
m_kart->getSpeed()>m_min_skid_speed &&
(skidding==KartControl::SC_LEFT||skidding==KartControl::SC_RIGHT))
{
m_skid_factor += m_skid_increase *dt/m_time_till_max_skid;
}
else if(m_skid_factor>1.0f)
{
m_skid_factor *= m_skid_decrease;
}
}
else
{
m_skid_factor = 1.0f; // Lose any skid factor as soon as we fly
}
if(m_skid_factor>m_skid_max)
m_skid_factor = m_skid_max;
else
if(m_skid_factor<1.0f) m_skid_factor = 1.0f;
// If skidding was started and a graphical jump should still
// be displayed, update the data
if(m_remaining_jump_time>0)
{
m_jump_speed -= World::getWorld()->getTrack()->getGravity()*dt;
m_gfx_jump_offset += m_jump_speed * dt;
m_remaining_jump_time -= dt;
if(m_remaining_jump_time<0)
{
m_remaining_jump_time = 0.0f;
m_gfx_jump_offset = 0.0f;
}
}
// This is only reached if the new skidding is enabled
// ---------------------------------------------------
// There are four distinct states related to skidding, controlled
// by m_skid_state:
// SKID_NONE: no skidding is happening. From here SKID_ACCUMULATE
// is reached when the skid key is pressed.
// SKID_ACCUMULATE_{LEFT,RIGHT}:
// The kart is still skidding. The skidding time will be
// accumulated in m_skid_time, and once the minimum time for a
// bonus is reached, the "bonus gfx now available" gfx is shown.
// If the skid button is not pressed anymore, this will trigger
// a potential bonus. Also the rotation of the physical body to
// be in synch with the graphical kart is started (which is
// independently handled in the kart physics).
// SKID_SHOW_GFX_{LEFT<RIGHT}
// Shows the skidding gfx while the bonus is available.
// FIXME: what should we do if skid key is pressed while still in
// SKID_SHOW_GFX??? Adjusting the body rotation is difficult.
// For now skidding will only start again once SKID_SHOW_GFX
// is changed to SKID_NONE.
switch(m_skid_state)
{
case SKID_NONE:
{
if(skidding!=KartControl::SC_LEFT &&
skidding!=KartControl::SC_RIGHT)
break;
// Don't allow skidding while the kart is (apparently)
// still in the air, or when the kart is too slow
if(m_remaining_jump_time>0 ||
m_kart->getSpeed() <m_min_skid_speed) break;
m_skid_state = skidding==KartControl::SC_RIGHT
? SKID_ACCUMULATE_RIGHT
: SKID_ACCUMULATE_LEFT;
// Add a little jump to the kart. Determine the vertical speed
// necessary for the kart to go 0.5*jump_time up (then it needs
// the same time to come down again), based on v = gravity * t.
// Then use this speed to determine the impulse necessary to
// reach this speed.
float v = World::getWorld()->getTrack()->getGravity()
* 0.5f*m_physical_jump_time;
btVector3 imp(0, v / m_kart->getBody()->getInvMass(),0);
m_kart->getVehicle()->getRigidBody()->applyCentralImpulse(imp);
// Some karts might use a graphical-only jump. Set it up:
m_jump_speed = World::getWorld()->getTrack()->getGravity()
* 0.5f*m_graphical_jump_time;
m_remaining_jump_time = m_graphical_jump_time;
#ifdef SKID_DEBUG
#define SPEED 20.0f
updateSteering(steering, dt);
m_actual_curve->clear();
m_actual_curve->setVisible(true);
m_predicted_curve->clear();
m_predicted_curve->setVisible(true);
m_predicted_curve->setPosition(m_kart->getXYZ());
m_predicted_curve->setHeading(m_kart->getHeading());
float angle = m_kart->getKartProperties()
->getMaxSteerAngle(m_kart->getSpeed())
* fabsf(getSteeringFraction());
angle = m_kart->getKartProperties()
->getMaxSteerAngle(SPEED)
* fabsf(getSteeringFraction());
float r = m_kart->getKartProperties()->getWheelBase()
/ asin(angle)*1.0f;
const int num_steps = 50;
float dx = 2*r / num_steps;
for(float x = 0; x <=2*r; x+=dx)
{
float real_x = m_skid_state==SKID_ACCUMULATE_LEFT ? -x : x;
Vec3 xyz(real_x, 0.2f, sqrt(r*r-(r-x)*(r-x))*(1.0f+SPEED/150.0f)
*(1+(angle/m_kart->getKartProperties()->getMaxSteerAngle(SPEED)-0.6f)*0.1f));
Vec3 xyz1=m_kart->getTrans()(xyz);
Log::debug("Skidding", "predict %f %f %f speed %f angle %f",
xyz1.getX(), xyz1.getY(), xyz1.getZ(),
m_kart->getSpeed(), angle);
m_predicted_curve->addPoint(xyz);
}
#endif
m_skid_time = 0; // fallthrough
}
case SKID_BREAK:
{
break;
}
case SKID_ACCUMULATE_LEFT:
case SKID_ACCUMULATE_RIGHT:
{
#ifdef SKID_DEBUG
Vec3 v=m_kart->getVelocity();
if(v.length()>5)
{
float r = SPEED/sqrt(v.getX()*v.getX() + v.getZ()*v.getZ());
v.setX(v.getX()*r);
v.setZ(v.getZ()*r);
m_kart->getBody()->setLinearVelocity(v);
}
m_actual_curve->addPoint(m_kart->getXYZ());
Log::debug("Skidding", "actual %f %f %f turn %f speed %f angle %f",
m_kart->getXYZ().getX(),m_kart->getXYZ().getY(),m_kart->getXYZ().getZ(),
m_real_steering, m_kart->getSpeed(),
m_kart->getKartProperties()->getMaxSteerAngle(m_kart->getSpeed()));
#endif
m_skid_time += dt;
float bonus_time, bonus_speed, bonus_force;
unsigned int level = getSkidBonus(&bonus_time, &bonus_speed,
&bonus_force);
// If at least level 1 bonus is reached, show appropriate gfx
if(level>0)
{
m_skid_bonus_ready = true;
m_kart->getKartGFX()->setSkidLevel(level);
m_kart->getKartGFX()->updateSkidLight(level);
}
// If player stops skidding, trigger bonus, and change state to
// SKID_SHOW_GFX_*
if(skidding == KartControl::SC_NONE)
{
m_skid_state = m_skid_state == SKID_ACCUMULATE_LEFT
? SKID_SHOW_GFX_LEFT
: SKID_SHOW_GFX_RIGHT;
float t = std::min(m_skid_time, m_skid_visual_time);
t = std::min(t, m_skid_revert_visual_time);
float vso = getVisualSkidRotation();
btVector3 rot(0, vso*m_post_skid_rotate_factor, 0);
m_kart->getVehicle()->setTimedRotation(t, rot);
// skid_time is used to count backwards for the GFX
m_skid_time = t;
if(bonus_time>0)
{
m_kart->getKartGFX()
->setCreationRateRelative(KartGFX::KGFX_SKIDL, 1.0f);
m_kart->getKartGFX()
->setCreationRateRelative(KartGFX::KGFX_SKIDR, 1.0f);
m_kart->m_max_speed->
instantSpeedIncrease(MaxSpeed::MS_INCREASE_SKIDDING,
bonus_speed, bonus_speed,
bonus_force, bonus_time,
/*fade-out-time*/ 1.0f);
StateManager::ActivePlayer *c = m_kart->getController()->getPlayer();
if (c && c->getConstProfile() == PlayerManager::getCurrentPlayer())
{
PlayerManager::increaseAchievement(AchievementInfo::ACHIEVE_SKIDDING, "skidding");
}
}
else {
m_kart->getKartGFX()
->setCreationRateAbsolute(KartGFX::KGFX_SKIDL, 0);
m_kart->getKartGFX()
->setCreationRateAbsolute(KartGFX::KGFX_SKIDR, 0);
}
}
break;
} // case
case SKID_SHOW_GFX_LEFT:
case SKID_SHOW_GFX_RIGHT:
m_skid_time -= dt;
if(m_skid_time<=0)
{
m_skid_time = 0;
m_kart->getKartGFX()
->setCreationRateAbsolute(KartGFX::KGFX_SKIDL, 0);
m_kart->getKartGFX()
->setCreationRateAbsolute(KartGFX::KGFX_SKIDR, 0);
m_kart->getKartGFX()->updateSkidLight(0);
m_skid_state = SKID_NONE;
}
} // switch
updateSteering(steering, dt);
} // update