Method electricSpark1AnimationUpdate

src/OpenLoco/src/Vehicles/VehicleBody.cpp:1215–1257

0x004ABDAD & 0x004AB3CA

    // 0x004ABDAD & 0x004AB3CA
    void VehicleBody::electricSpark1AnimationUpdate(const Vehicle& train, const CarUpdateState& carState, const int32_t unkDistance, uint8_t num, int32_t emitterHorizontalPos)
    {
        VehicleBogie* frontBogie = carState.frontBogie;
        VehicleBogie* backBogie = carState.backBogie;
        if (frontBogie->hasBreakdownFlags(BreakdownFlags::brokenDown))
        {
            return;
        }

        Vehicle2* veh_2 = train.veh2;
        const auto* vehicleObject = getObject();

        if (veh_2->motorState != MotorState::coasting && veh_2->motorState != MotorState::accelerating)
        {
            return;
        }

        auto _var_44 = var_44;
        if (has38Flags(Flags38::isReversed))
        {
            emitterHorizontalPos = -emitterHorizontalPos;
            _var_44 = -var_44;
        }

        if (((uint16_t)unkDistance) + ((uint16_t)_var_44 * 8) < std::numeric_limits<uint16_t>::max())
        {
            return;
        }

        emitterHorizontalPos += 64;

        if (gPrng1().randNext(std::numeric_limits<uint16_t>::max()) > 819)
        {
            return;
        }

        auto bogieDifference = backBogie->position - frontBogie->position;
        auto xyFactor = Math::Trigonometry::computeXYVector(vehicleObject->animation[num].emitterVerticalPos, spritePitch, spriteYaw);

        auto loc = bogieDifference * emitterHorizontalPos / 128 + frontBogie->position + World::Pos3(xyFactor.x, xyFactor.y, vehicleObject->animation[num].emitterVerticalPos);

        Exhaust::create(loc, vehicleObject->animation[num].objectId);
    }

    // 0x004ABEC3 & 0x004AB4E0
    void VehicleBody::electricSpark2AnimationUpdate(const Vehicle& train, const CarUpdateState& carState, const int32_t unkDistance, uint8_t num, int32_t emitterHorizontalPos)