/**
* @param SystemEntity $systemEntity
* @return \common\entities\CelestialBody
* @throws \yii\base\InvalidValueException
*/
private function createCelestialBody(SystemEntity $systemEntity)
{
$galaxyModel = new GalaxyModel($systemEntity->getGalaxy());
$allowedCelestialBodyTypes = $galaxyModel->getAllowedCelestialBodyTypes();
$celestialBodyTypeIndex = rand(0, count($allowedCelestialBodyTypes) - 1);
$celestialBodyType = $allowedCelestialBodyTypes[$celestialBodyTypeIndex];
switch ($celestialBodyType) {
case CelestialBodyEntity::DISCR_ASTEROID:
$celestialBody = new AsteroidEntity();
break;
case CelestialBodyEntity::DISCR_ELECTRICITY_STORM:
$celestialBody = new ElectricityStormEntity();
break;
case CelestialBodyEntity::DISCR_GAS_GIANT:
$celestialBody = new GasGiantEntity();
break;
case CelestialBodyEntity::DISCR_GRAVIMETRIC_ANOMALY:
$celestialBody = new GravimetricAnomalyEntity();
break;
case CelestialBodyEntity::DISCR_ICE_GIANT:
$celestialBody = new IceGiantEntity();
break;
case CelestialBodyEntity::DISCR_ION_STORM:
$celestialBody = new IonStormEntity();
break;
case CelestialBodyEntity::DISCR_SPATIAL_DISTORTION:
$celestialBody = new SpatialDistortionEntity();
break;
case CelestialBodyEntity::DISCR_TERRESTRIAL_PLANET:
$celestialBody = new TerrestrialPlanetEntity();
break;
case CelestialBodyEntity::DISCR_VOID:
$celestialBody = new VoidEntity();
break;
default:
throw new \yii\base\InvalidValueException("Can't create celestial body of type '{$celestialBodyType}'.");
}
return $celestialBody;
}
