Method serverUpdate

source/game/StarSystemWorld.cpp:420–454

}

void SystemObject::serverUpdate(SystemWorldServer* system, float dt) {
  if (!m_config.permanent && m_spawnTime > 0.0 && system->time() > m_spawnTime + m_config.lifeTime)
    m_shouldDestroy = true;

  if (m_orbit.get()) {
    setPosition(system->orbitPosition(*m_orbit.get()));
  } else if (m_config.permanent || !m_config.moving) {
    // permanent locations always have a solar orbit
    enterOrbit(CelestialCoordinate(system->location()), {0.0, 0.0}, system->time());
  } else if (m_approach && !m_approach->isNull()) {

    if (system->shipsAtLocation(m_uuid).size() > 0)
      return;

    if (m_approach->isPlanetaryBody()) {
      auto approach = system->planetPosition(*m_approach);
      auto toApproach = (approach - position());
      auto pos = position();
      setPosition(pos + toApproach.normalized() * m_config.speed * dt);

      if ((approach - position()).magnitude() < system->planetSize(*m_approach) + m_config.orbitDistance)
        enterOrbit(*m_approach, approach, system->time());
    } else {
      enterOrbit(*m_approach, {0.0, 0.0}, system->time());
    }
  } else {
    auto planets = system->planets().filtered([system](CelestialCoordinate const& p) {
        auto objectsAtPlanet = system->objects().filtered([p](SystemObjectPtr const& o) { return o->orbitTarget() == p; });
        return objectsAtPlanet.size() == 0;
      });

    if (planets.size() > 0)
      m_approach = Random::randFrom(planets);
  }
}

pair<ByteArray, uint64_t> SystemObject::writeNetState(uint64_t fromVersion, NetCompatibilityRules rules) {
  return m_netGroup.writeNetState(fromVersion, rules);