/** This is the main entry point for the AI.
* It is called once per frame for each AI and determines the behaviour of
* the AI, e.g. steering, accelerating/braking, firing.
*/
void ArenaAI::update(float dt)
{
// This is used to enable firing an item backwards.
m_controls->m_look_back = false;
m_controls->m_nitro = false;
// Don't do anything if there is currently a kart animations shown.
if (m_kart->getKartAnimation())
return;
if (isWaiting())
{
AIBaseController::update(dt);
return;
}
checkIfStuck(dt);
if (handleArenaUnstuck(dt))
return;
findClosestKart(true);
findTarget();
handleArenaItems(dt);
handleArenaBanana();
if (m_kart->getSpeed() > 15.0f && m_cur_kart_pos_data.angle < 0.2f)
{
// Only use nitro when target is straight
m_controls->m_nitro = true;
}
if (m_is_uturn)
{
handleArenaUTurn(dt);
}
else
{
handleArenaAcceleration(dt);
handleArenaSteering(dt);
handleArenaBraking();
}
AIBaseController::update(dt);
} // update
/** This is the main entry point for the AI.
* It is called once per frame for each AI and determines the behaviour of
* the AI, e.g. steering, accelerating/braking, firing.
* \param dt Time step size.
*/
void ArenaAI::update(float dt)
{
// This is used to enable firing an item backwards.
m_controls->setLookBack(false);
m_controls->setNitro(false);
// Let the function below to reset it later
m_controls->setAccel(0.0f);
m_controls->setBrake(false);
m_mini_skid = false;
// Don't do anything if there is currently a kart animations shown.
if (m_kart->getKartAnimation())
{
resetAfterStop();
return;
}
if (!isKartOnRoad() && m_kart->isOnGround())
{
m_time_since_off_road += dt;
}
else if (m_time_since_off_road != 0.0f)
{
m_time_since_off_road = 0.0f;
}
// If the kart needs to be rescued, do it now (and nothing else)
if (m_time_since_off_road > 5.0f && m_kart->isOnGround())
{
m_time_since_off_road = 0.0f;
new RescueAnimation(m_kart);
AIBaseController::update(dt);
return;
}
if (isWaiting())
{
AIBaseController::update(dt);
return;
}
checkIfStuck(dt);
if (gettingUnstuck(dt))
return;
findTarget();
// After found target, convert it to local coordinate, used for skidding or
// u-turn
if (!m_is_uturn)
{
m_target_point_lc = m_kart->getTrans().inverse()(m_target_point);
doSkiddingTest();
configSteering();
}
else
{
m_target_point_lc = m_kart->getTrans().inverse()(m_reverse_point);
}
useItems(dt);
if (m_kart->getSpeed() > 15.0f && !m_is_uturn && m_turn_radius > 30.0f &&
!ignorePathFinding())
{
// Only use nitro when turn angle is big (180 - angle)
m_controls->setNitro(true);
}
if (m_is_uturn)
{
resetAfterStop();
doUTurn(dt);
}
else
{
configSpeed();
setSteering(m_steering_angle, dt);
}
AIBaseController::update(dt);
} // update
