Method tryCreateInitialMovementSound

src/OpenLoco/src/Vehicles/VehicleHead.cpp:2646–2679

0x004B980A

    // 0x004B980A
    void VehicleHead::tryCreateInitialMovementSound(const Status initialStatus)
    {
        if (status != Status::travelling)
        {
            return;
        }

        if (initialStatus != Status::stopped && initialStatus != Status::waitingAtSignal)
        {
            return;
        }

        Vehicle train(head);
        const auto* vehObj = train.cars.firstCar.body->getObject();
        if (vehObj != nullptr && vehObj->numStartSounds != 0)
        {
            auto numSounds = vehObj->numStartSounds & NumStartSounds::kMask;
            if (vehObj->numStartSounds & NumStartSounds::kHasCrossingWhistle)
            {
                // remove the crossing whistle from available sounds to play
                numSounds = std::max(numSounds - 1, 1);
            }
            auto randSoundIndex = gPrng1().randNext(numSounds - 1);
            auto randSoundId = Audio::makeObjectSoundId(vehObj->startSounds[randSoundIndex]);
            Vehicle2* veh2 = train.veh2;
            auto tileHeight = TileManager::getHeight(veh2->position);
            auto volume = 0;
            if (veh2->position.z < tileHeight.landHeight)
            {
                volume = -1500;
            }
            Audio::playSound(randSoundId, Audio::ChannelId::vehicles, veh2->position + World::Pos3{ 0, 0, 22 }, volume, 22050);
        }
    }

    // 0x004B996F
    void VehicleHead::setStationVisitedTypes()