Merge branch 'milek-dev' into gfx-work

2026-07-23 22:39:19 +02:00 · 2019-09-15 21:34:21 +02:00
parent f9fe83e0d1 7a2e0ea4f3
commit 18f7d1efbe
20 changed files with 1059 additions and 128 deletions
--- a/Driver.cpp
+++ b/Driver.cpp
@@ -1786,6 +1786,7 @@ void TController::Activation()
        auto const localbrakelevel { mvOccupied->LocalBrakePosA };
        ZeroSpeed();
        ZeroDirection();
+		mvOccupied->SpringBrakeActivate(true);
        if (TestFlag(d->MoverParameters->Couplers[iDirectionOrder < 0 ? 1 : 0].CouplingFlag, ctrain_controll)) {
            mvControlling->MainSwitch( false); // dezaktywacja czuwaka, jeśli przejście do innego członu
            mvOccupied->DecLocalBrakeLevel(LocalBrakePosNo); // zwolnienie hamulca w opuszczanym pojeździe
@@ -2108,12 +2109,18 @@ bool TController::CheckVehicles(TOrders user)
    { // sprawdzanie, czy jest głównym sterującym, żeby nie było konfliktu
        if (p->Mechanik) // jeśli ma obsadę
            if (p->Mechanik != this) // ale chodzi o inny pojazd, niż aktualnie sprawdzający
-                if (p->Mechanik->iDrivigFlags & movePrimary) // a tamten ma priorytet
-                    if ((iDrivigFlags & movePrimary) && (mvOccupied->DirAbsolute) &&
-                        (mvOccupied->BrakeCtrlPos >= -1)) // jeśli rządzi i ma kierunek
-                        p->Mechanik->iDrivigFlags &= ~movePrimary; // dezaktywuje tamtego
-                    else
+                if( p->Mechanik->iDrivigFlags & movePrimary ) {
+                    // a tamten ma priorytet
+                    if( ( iDrivigFlags & movePrimary )
+                     && ( mvOccupied->DirAbsolute )
+                     && ( mvOccupied->BrakeCtrlPos >= -1 ) ) {
+                        // jeśli rządzi i ma kierunek
+                        p->Mechanik->primary( false ); // dezaktywuje tamtego
+                    }
+                    else {
                        main = false; // nici z rządzenia
+                    }
+                }
        ++iVehicles; // jest jeden pojazd więcej
        pVehicles[1] = p; // zapamiętanie ostatniego
        fLength += p->MoverParameters->Dim.L; // dodanie długości pojazdu
@@ -2686,6 +2693,7 @@ bool TController::ReleaseEngine() {
            }
            // gasimy światła
            Lights( 0, 0 );
+			mvOccupied->SpringBrakeActivate(true);
            mvOccupied->BatterySwitch( false );
        }
    }
@@ -2993,6 +3001,9 @@ bool TController::IncSpeed()
        // zamykanie drzwi - tutaj wykonuje tylko AI (zmienia fActionTime)
        Doors( false );
    }
+	if (mvOccupied->SpringBrake.IsActive && mvOccupied->SpringBrake.Activate) {
+		mvOccupied->SpringBrakeActivate(false);
+	}
    if( fActionTime < 0.0 ) {
        // gdy jest nakaz poczekać z jazdą, to nie ruszać
        return false;
@@ -3633,6 +3644,18 @@ void TController::SetTimeControllers()
 			}
 		}
 	}
+	//6. UniversalBrakeButtons
+	//6.1. Checking flags for Over pressure
+	if (std::abs(BrakeCtrlPosition - gbh_FS)<0.5) {
+		UniversalBrakeButtons |= (TUniversalBrake::ub_HighPressure | TUniversalBrake::ub_Overload);
+	}
+	else {
+		UniversalBrakeButtons &= ~(TUniversalBrake::ub_HighPressure | TUniversalBrake::ub_Overload);
+	}
+	//6.2. Setting buttons
+	for (int i = 0; i < 3; i++) {
+		mvOccupied->UniversalBrakeButton(i, (UniversalBrakeButtons & mvOccupied->UniversalBrakeButtonFlag[i]));
+	}
 };

 void TController::CheckTimeControllers()
@@ -4757,7 +4780,7 @@ TController::UpdateSituation(double dt) {
                // rozpoznaj komende bo lokomotywa jej nie rozpoznaje
                RecognizeCommand(); // samo czyta komendę wstawioną do pojazdu?
            }
-        if( mvOccupied->SecuritySystem.Status > 1 ) {
+        if( mvOccupied->SecuritySystem.Status != s_off ) {
            // jak zadziałało CA/SHP
            if( !mvOccupied->SecuritySystemReset() ) { // to skasuj
                if( ( /*mvOccupied->BrakeCtrlPos*/BrakeCtrlPosition == 0 )
@@ -5871,6 +5894,8 @@ TController::UpdateSituation(double dt) {
                    // napełnianie uderzeniowe
                    if( ( mvOccupied->BrakeHandle == TBrakeHandle::FV4a )
                     || ( mvOccupied->BrakeHandle == TBrakeHandle::MHZ_6P )
+					 || (mvOccupied->BrakeHandle == TBrakeHandle::MHZ_K5P)
+					 || (mvOccupied->BrakeHandle == TBrakeHandle::MHZ_K8P)
                     || ( mvOccupied->BrakeHandle == TBrakeHandle::M394 ) ) {

                        if( /*GBH mvOccupied->BrakeCtrlPos*/BrakeCtrlPosition == -2 ) {
@@ -5931,6 +5956,14 @@ TController::UpdateSituation(double dt) {
                        }
                    }
                }
+				// unlocking main pipe
+				if ((AccDesired > -0.03)
+					&& (true == mvOccupied->LockPipe)) {
+					UniversalBrakeButtons |= TUniversalBrake::ub_UnlockPipe;
+				}
+				else if (false == mvOccupied->LockPipe) {
+					UniversalBrakeButtons &= ~TUniversalBrake::ub_UnlockPipe;
+				}
 #if LOGVELOCITY
                WriteLog("Dist=" + FloatToStrF(ActualProximityDist, ffFixed, 7, 1) +
                            ", VelDesired=" + FloatToStrF(VelDesired, ffFixed, 7, 1) +
@@ -6753,43 +6786,56 @@ void TController::UpdateDelayFlag() {

 //-----------koniec skanowania semaforow

-void TController::TakeControl(bool yes)
+void TController::TakeControl( bool const Aidriver, bool const Forcevehiclecheck )
 { // przejęcie kontroli przez AI albo oddanie
-    if (AIControllFlag == yes)
+    if (AIControllFlag == Aidriver)
        return; // już jest jak ma być
-    if (yes) //żeby nie wykonywać dwa razy
+    if (Aidriver) //żeby nie wykonywać dwa razy
    { // teraz AI prowadzi
        AIControllFlag = AIdriver;
        pVehicle->Controller = AIdriver;
        iDirection = 0; // kierunek jazdy trzeba dopiero zgadnąć
-        // gdy zgaszone światła, flaga podjeżdżania pod semafory pozostaje bez zmiany
-        // conditional below disabled to get around the situation where the AI train does nothing ever
-        // because it is waiting for orders which don't come until the engine is engaged, i.e. effectively never
-        if (OrderCurrentGet()) // jeśli coś robi
-            PrepareEngine(); // niech sprawdzi stan silnika
-        else // jeśli nic nie robi
-        if (pVehicle->iLights[ ( mvOccupied->CabNo < 0 ?
-                end::rear :
-                end::front ) ]
-            & (light::headlight_left | light::headlight_right | light::headlight_upper)) // któreś ze świateł zapalone?
-        { // od wersji 357 oczekujemy podania komend dla AI przez scenerię
-            OrderNext(Prepare_engine);
-            if (pVehicle->iLights[mvOccupied->CabNo < 0 ? end::rear : end::front] & light::headlight_upper) // górne światło zapalone
-                OrderNext(Obey_train); // jazda pociągowa
-            else
-                OrderNext(Shunt); // jazda manewrowa
-            if (mvOccupied->Vel >= 1.0) // jeśli jedzie (dla 0.1 ma stać)
-                iDrivigFlags &= ~moveStopHere; // to ma nie czekać na sygnał, tylko jechać
-            else
-                iDrivigFlags |= moveStopHere; // a jak stoi, to niech czeka
-        }
-        CheckVehicles(); // ustawienie świateł
        TableClear(); // ponowne utworzenie tabelki, bo człowiek mógł pojechać niezgodnie z sygnałami
+        if( action() != TAction::actSleep ) {
+            // gdy zgaszone światła, flaga podjeżdżania pod semafory pozostaje bez zmiany
+            // conditional below disabled to get around the situation where the AI train does nothing ever
+            // because it is waiting for orders which don't come until the engine is engaged, i.e. effectively never
+            if( OrderCurrentGet() ) {
+                // jeśli coś robi
+                PrepareEngine(); // niech sprawdzi stan silnika
+            }
+            else {
+                // jeśli nic nie robi
+                if( pVehicle->iLights[ ( mvOccupied->CabNo < 0 ?
+                        end::rear :
+                        end::front ) ]
+                    & ( light::headlight_left | light::headlight_right | light::headlight_upper ) ) // któreś ze świateł zapalone?
+                { // od wersji 357 oczekujemy podania komend dla AI przez scenerię
+                    OrderNext( Prepare_engine );
+                    if( pVehicle->iLights[ mvOccupied->CabNo < 0 ? end::rear : end::front ] & light::headlight_upper ) // górne światło zapalone
+                        OrderNext( Obey_train ); // jazda pociągowa
+                    else
+                        OrderNext( Shunt ); // jazda manewrowa
+                    if( mvOccupied->Vel >= 1.0 ) // jeśli jedzie (dla 0.1 ma stać)
+                        iDrivigFlags &= ~moveStopHere; // to ma nie czekać na sygnał, tylko jechać
+                    else
+                        iDrivigFlags |= moveStopHere; // a jak stoi, to niech czeka
+                }
+            }
+            CheckVehicles(); // ustawienie świateł
+        }
    }
    else
    { // a teraz użytkownik
        AIControllFlag = Humandriver;
        pVehicle->Controller = Humandriver;
+        if( eAction == TAction::actSleep ) {
+            eAction = TAction::actUnknown;
+        }
+        if( Forcevehiclecheck ) {
+            // update consist ownership and other consist data
+            CheckVehicles();
+        }
    }
 };

--- a/Driver.h
+++ b/Driver.h
@@ -194,9 +194,13 @@ public:
 public:
    void UpdateSituation(double dt); // uruchamiac przynajmniej raz na sekundę
    void MoveTo(TDynamicObject *to);
-    void TakeControl(bool yes);
+    void TakeControl(bool const Aidriver, bool const Forcevehiclecheck = false);
    inline
-    bool Primary() const {
+    bool primary( bool const Primary ) {
+        SetFlag( iDrivigFlags, ( Primary ? movePrimary : -movePrimary ) );
+        return primary(); }
+    inline
+    bool primary() const {
        return ( ( iDrivigFlags & movePrimary ) != 0 ); };
    inline
    TMoverParameters const *Controlling() const {
@@ -211,7 +215,10 @@ public:
    int Direction() const {
        return iDirection; }
    inline
-    TAction GetAction() {
+    TAction & action() {
+        return eAction; }
+    inline 
+    TAction const & action() const {
        return eAction; }
 private:
    void Activation(); // umieszczenie obsady w odpowiednim członie
@@ -256,6 +263,7 @@ public:
    int iOverheadZero = 0; // suma bitowa jezdy bezprądowej, bity ustawiane przez pojazdy z podniesionymi pantografami
    int iOverheadDown = 0; // suma bitowa opuszczenia pantografów, bity ustawiane przez pojazdy z podniesionymi pantografami
    double BrakeCtrlPosition = 0.0; // intermediate position of main brake controller 
+	int UniversalBrakeButtons = 0.0; // flag of which universal buttons need to be pressed
 	int DizelPercentage = 0; // oczekiwane procenty jazdy/hamowania szynobusem
 	int DizelPercentage_Speed = 0; // oczekiwane procenty jazdy/hamowania szynobusem w związku z osiąganiem VelDesired
 private:
--- a/DynObj.cpp
+++ b/DynObj.cpp
@@ -979,8 +979,8 @@ void TDynamicObject::ABuLittleUpdate(double ObjSqrDist)
        
 		if( ( false == bDisplayCab ) // edge case, lowpoly may act as a stand-in for the hi-fi cab, so make sure not to show the driver when inside
         && ( Mechanik != nullptr )
-         && ( ( Mechanik->GetAction() != TAction::actSleep )
-           || ( MoverParameters->Battery ) ) ) {
+         && ( ( Mechanik->action() != TAction::actSleep )
+           /* || ( MoverParameters->Battery ) */ ) ) {
            // rysowanie figurki mechanika
            btMechanik1.Turn( MoverParameters->ActiveCab > 0 );
            btMechanik2.Turn( MoverParameters->ActiveCab < 0 );
@@ -2749,14 +2749,14 @@ bool TDynamicObject::Update(double dt, double dt1)
    if (Mechanik)
    { // Ra 2F3F: do Driver.cpp to przenieść?
        MoverParameters->EqvtPipePress = GetEPP(); // srednie cisnienie w PG
-		if ((Mechanik->Primary())
+		if ((Mechanik->primary())
 			&& (MoverParameters->EngineType == TEngineType::DieselEngine)
 			&& (MoverParameters->EIMCtrlType > 0)) {
 			MoverParameters->CheckEIMIC(dt1);
 			MoverParameters->eimic_real = MoverParameters->eimic;
 			MoverParameters->SendCtrlToNext("EIMIC", MoverParameters->eimic, MoverParameters->CabNo);
 		}
-		if( ( Mechanik->Primary() )
+		if( ( Mechanik->primary() )
         && ( MoverParameters->EngineType == TEngineType::ElectricInductionMotor ) ) {
            // jesli glowny i z asynchronami, to niech steruje hamulcem i napedem lacznie dla calego pociagu/ezt
 			auto const kier = (DirectionGet() * MoverParameters->ActiveCab > 0);
--- a/Event.cpp
+++ b/Event.cpp
@@ -897,7 +897,7 @@ whois_event::run_() {
                // jeśli typ pojazdu
                // TODO: define and recognize individual request types
                auto const owner { (
-                    ( ( m_activator->Mechanik != nullptr ) && ( m_activator->Mechanik->Primary() ) ) ?
+                    ( ( m_activator->Mechanik != nullptr ) && ( m_activator->Mechanik->primary() ) ) ?
                        m_activator->Mechanik :
                        m_activator->ctOwner ) };
                auto const consistbrakelevel { (
@@ -952,7 +952,7 @@ whois_event::run_() {
        }
        // +0
        else if( m_activator->Mechanik ) {
-            if( m_activator->Mechanik->Primary() ) { // tylko jeśli ktoś tam siedzi - nie powinno dotyczyć pasażera!
+            if( m_activator->Mechanik->primary() ) { // tylko jeśli ktoś tam siedzi - nie powinno dotyczyć pasażera!
                targetcell->UpdateValues(
                    m_activator->Mechanik->TrainName(),
                    m_activator->Mechanik->StationCount() - m_activator->Mechanik->StationIndex(), // ile przystanków do końca
--- a/McZapkie/MOVER.h
+++ b/McZapkie/MOVER.h
@@ -204,6 +204,7 @@ static int const dbrake_automatic = 8;

 /*status czuwaka/SHP*/
 //hunter-091012: rozdzielenie alarmow, dodanie testu czuwaka
+static int const s_off = 0; //disabled
 static int const s_waiting = 1; //działa
 static int const s_aware = 2;   //czuwak miga
 static int const s_active = 4;  //SHP świeci
@@ -305,6 +306,14 @@ enum TProblem // lista problemów taboru, które uniemożliwiają jazdę
 	pr_Ostatni = 0x80000000 // ostatnia flaga bitowa
 };

+enum TCompressorList // lista parametrów w programatorze sprężarek
+{ // pozycje kolejne
+	cl_Allow = 0, // zezwolenie na pracę sprężarek
+	cl_SpeedFactor = 1, // mnożnik wydajności
+	cl_MinFactor = 2, // mnożnik progu załącznika ciśnieniowego
+	cl_MaxFactor = 3 // mnożnik progu wyłącznika ciśnieniowego
+};
+
 /*ogolne*/
 /*lokacja*/
 struct TLocation
@@ -861,6 +870,31 @@ private:
        float temperatura2 { 40.0 };
    };

+	struct spring_brake {
+		std::shared_ptr<TReservoir> Cylinder;
+		bool Activate { false }; //Input: switching brake on/off in exploitation - main valve/switch
+		bool ShuttOff { true }; //Input: shutting brake off during failure - valve in pneumatic container
+		bool Release { false }; //Input: emergency releasing rod
+
+		bool IsReady{ false }; //Output: readyness to braking - cylinder is armed, spring is tentioned
+		bool IsActive{ false }; //Output: brake is working
+		double SBP{ 0.0 }; //Output: pressure in spring brake cylinder
+
+		bool PNBrakeConnection{ false }; //Conf: connection to pneumatic brake cylinders
+		double MaxSetPressure { 0.0 }; //Conf: Maximal pressure for switched off brake
+		double ResetPressure{ 0.0 }; //Conf: Pressure for arming brake cylinder
+		double MinForcePressure{ 0.1 }; //Conf: Minimal pressure for zero force
+		double MaxBrakeForce{ 0.0 }; //Conf: Maximal tension for brake pads/shoes
+		double PressureOn{ -2.0 }; //Conf: Pressure changing ActiveFlag to "On"
+		double PressureOff{ -1.0 }; //Conf: Pressure changing ActiveFlag to "Off"
+		double ValveOffArea{ 0.0 }; //Conf: Area of filling valve
+		double ValveOnArea{ 0.0 }; //Conf: Area of dumping valve
+		double ValvePNBrakeArea{ 0.0 }; //Conf: Area of bypass to brake cylinders
+
+		int MultiTractionCoupler{ 127 }; //Conf: Coupling flag necessary for transmitting the command
+
+	};
+
 public:

 	double dMoveLen = 0.0;
@@ -920,11 +954,13 @@ public:
 	std::shared_ptr<TDriverHandle> LocHandle;
 	std::shared_ptr<TReservoir> Pipe;
 	std::shared_ptr<TReservoir> Pipe2;
+	spring_brake SpringBrake;

 	TLocalBrake LocalBrake = TLocalBrake::NoBrake;  /*rodzaj hamulca indywidualnego*/
 	TBrakePressureTable BrakePressureTable; /*wyszczegolnienie cisnien w rurze*/
 	TBrakePressure BrakePressureActual; //wartości ważone dla aktualnej pozycji kranu
 	int ASBType = 0;            /*0: brak hamulca przeciwposlizgowego, 1: reczny, 2: automat*/
+	int UniversalBrakeButtonFlag[3] = { 0, 0, 0 }; /* mozliwe działania przycisków hamulcowych */
 	int TurboTest = 0;
 	double MaxBrakeForce = 0.0;      /*maksymalna sila nacisku hamulca*/
 	double MaxBrakePress[5]; //pomocniczy, proz, sred, lad, pp
@@ -962,6 +998,17 @@ public:
 	double MinCompressor = 0.0;
    double MaxCompressor = 0.0;
    double CompressorSpeed = 0.0;
+	int CompressorList[4][9]; // pozycje świateł, przód - tył, 1 .. 16
+	double EmergencyValveOn = 0.0;
+	double EmergencyValveOff = 0.0;
+	bool EmergencyValveOpen = false;
+	double EmergencyValveArea = 0.0;
+	double LockPipeOn = -1.0;
+	double LockPipeOff = -1.0;
+	double HandleUnlock = -3.0;
+	int CompressorListPosNo = 0;
+	int CompressorListDefPos = 1;
+	bool CompressorListWrap = false;
 	/*cisnienie wlaczania, zalaczania sprezarki, wydajnosc sprezarki*/
 	TBrakeDelayTable BrakeDelay; /*opoznienie hamowania/odhamowania t/o*/
    double AirLeakRate{ 0.01 }; // base rate of air leak from brake system components ( 0.001 = 1 l/sec )
@@ -979,6 +1026,8 @@ public:
 	TSecuritySystem SecuritySystem;
 	TUniversalCtrlTable UniCtrlList;     /*lista pozycji uniwersalnego nastawnika*/
 	int UniCtrlListSize = 0;	/*wielkosc listy pozycji uniwersalnego nastawnika*/
+	bool UniCtrlIntegratedBrakePNCtrl = false; /*zintegrowany nastawnik JH obsluguje hamulec PN*/
+	bool UniCtrlIntegratedBrakeCtrl = false; /*zintegrowany nastawnik JH obsluguje hamowanie*/

 	/*-sekcja parametrow dla lokomotywy elektrycznej*/
 	TSchemeTable RList;     /*lista rezystorow rozruchowych i polaczen silnikow, dla dizla: napelnienia*/
@@ -1169,6 +1218,9 @@ public:
 	double UnitBrakeForce = 0.0;               /*!s siła hamowania przypadająca na jeden element*/
 	double Ntotal = 0.0;               /*!s siła nacisku klockow*/
 	bool SlippingWheels = false; bool SandDose = false;   /*! poslizg kol, sypanie piasku*/
+	bool SandDoseManual = false; /*piaskowanie reczne*/
+	bool SandDoseAuto = false; /*piaskowanie automatyczne*/
+	bool SandDoseAutoAllow = true; /*zezwolenie na automatyczne piaskowanie*/
 	double Sand = 0.0;                         /*ilosc piasku*/
 	double BrakeSlippingTimer = 0.0;            /*pomocnicza zmienna do wylaczania przeciwposlizgu*/
 	double dpBrake = 0.0; double dpPipe = 0.0; double dpMainValve = 0.0; double dpLocalValve = 0.0;
@@ -1212,11 +1264,14 @@ public:
 	int ManualBrakePos = 0;                 /*nastawa hamulca recznego*/
 	double LocalBrakePosA = 0.0;   /*nastawa hamulca pomocniczego*/
 	double LocalBrakePosAEIM = 0.0;  /*pozycja hamulca pomocniczego ep dla asynchronicznych ezt*/
+	bool UniversalBrakeButtonActive[3] = { false, false, false }; /* brake button pressed */
 /*
 	int BrakeStatus = b_off; //0 - odham, 1 - ham., 2 - uszk., 4 - odluzniacz, 8 - antyposlizg, 16 - uzyte EP, 32 - pozycja R, 64 - powrot z R
 */
    bool AlarmChainFlag = false;    // manual emergency brake
 	bool RadioStopFlag = false;        /*hamowanie nagle*/
+	bool LockPipe = false;			/*locking brake pipe in emergency state*/
+	bool UnlockPipe = false;			/*unlockig brake pipe button pressed*/
 	int BrakeDelayFlag = 0;               /*nastawa opoznienia ham. osob/towar/posp/exp 0/1/2/4*/
 	int BrakeDelays = 0;                   /*nastawy mozliwe do uzyskania*/
 	int BrakeOpModeFlag = 0;               /*nastawa trybu pracy PS/PN/EP/MED 1/2/4/8*/
@@ -1254,7 +1309,8 @@ public:
    double MainsInitTimeCountdown{ 0.0 }; // current state of main circuit initialization, remaining time (in seconds) until it's ready
 	int MainCtrlPos = 0; /*polozenie glownego nastawnika*/
 	int ScndCtrlPos = 0; /*polozenie dodatkowego nastawnika*/
-	int LightsPos = 0;
+	int LightsPos = 0; /*polozenie przelacznika wielopozycyjnego swiatel*/
+	int CompressorListPos = 0; /*polozenie przelacznika wielopozycyjnego sprezarek*/
 	int ActiveDir = 0; //czy lok. jest wlaczona i w ktorym kierunku:
 				   //względem wybranej kabiny: -1 - do tylu, +1 - do przodu, 0 - wylaczona
    int MaxMainCtrlPosNoDirChange { 0 }; // can't change reverser state with master controller set above this position
@@ -1460,7 +1516,10 @@ public:

 	bool AddPulseForce(int Multipler);/*dla drezyny*/

+	bool SandboxManual( bool const State, range_t const Notify = range_t::consist );/*wlacza/wylacza reczne sypanie piasku*/
+	bool SandboxAuto( bool const State, range_t const Notify = range_t::consist );/*wlacza/wylacza automatyczne sypanie piasku*/
    bool Sandbox( bool const State, range_t const Notify = range_t::consist );/*wlacza/wylacza sypanie piasku*/
+	bool SandboxAutoAllow(bool const State);/*wlacza/wylacza zezwolenie na automatyczne sypanie piasku*/

 						  /*! zbijanie czuwaka/SHP*/
 	void SSReset(void);
@@ -1469,6 +1528,9 @@ public:

 	bool BatterySwitch(bool State);
 	bool EpFuseSwitch(bool State);
+	bool SpringBrakeActivate(bool State);
+	bool SpringBrakeShutOff(bool State);
+	bool SpringBrakeRelease();

 	/*! stopnie hamowania - hamulec zasadniczy*/
 	bool IncBrakeLevelOld(void);
@@ -1483,6 +1545,7 @@ public:
    bool AlarmChainSwitch( bool const State );
 	bool AntiSlippingBrake(void);
 	bool BrakeReleaser(int state);
+	bool UniversalBrakeButton(int button, int state); /*uniwersalny przycisk hamulca*/
 	bool SwitchEPBrake(int state);
 	bool AntiSlippingButton(void); /*! reczny wlacznik urzadzen antyposlizgowych*/

@@ -1498,6 +1561,7 @@ public:
 	void CompressorCheck(double dt);/*wlacza, wylacza kompresor, laduje zbiornik*/
 	void UpdatePantVolume(double dt);             //Ra
 	void UpdateScndPipePressure(double dt);
+	void UpdateSpringBrake(double dt);
 	double GetDVc(double dt);

 	/*funkcje obliczajace sily*/
@@ -1615,6 +1679,7 @@ private:
    void LoadFIZ_Cntrl( std::string const &line );
 	void LoadFIZ_Blending(std::string const &line);
 	void LoadFIZ_DCEMUED(std::string const &line);
+	void LoadFIZ_SpringBrake(std::string const &line);
    void LoadFIZ_Light( std::string const &line );
    void LoadFIZ_Security( std::string const &line );
    void LoadFIZ_Clima( std::string const &line );
@@ -1628,6 +1693,7 @@ private:
    void LoadFIZ_DList( std::string const &Input );
    void LoadFIZ_FFList( std::string const &Input );
    void LoadFIZ_LightsList( std::string const &Input );
+	void LoadFIZ_CompressorList(std::string const &Input);
    void LoadFIZ_PowerParamsDecode( TPowerParameters &Powerparameters, std::string const Prefix, std::string const &Input );
    TPowerType LoadFIZ_PowerDecode( std::string const &Power );
    TPowerSource LoadFIZ_SourceDecode( std::string const &Source );
@@ -1644,6 +1710,7 @@ private:
    bool readFFList( std::string const &line );
    bool readWWList( std::string const &line );
    bool readLightsList( std::string const &Input );
+	bool readCompressorList(std::string const &Input);
    void BrakeValveDecode( std::string const &s );                                                            //Q 20160719
 	void BrakeSubsystemDecode();                                                                     //Q 20160719
    bool EIMDirectionChangeAllow( void );
--- a/McZapkie/Mover.cpp
+++ b/McZapkie/Mover.cpp
@@ -295,6 +295,12 @@ ActiveCab( Cab )
        for (int k = 0; k < 17; ++k)
            Lights[b][k] = 0;

+	for (int b = 0; b < 4; ++b)
+		for (int k = 1; k < 9; ++k)
+			CompressorList[ b ][ k ] = 0;
+	CompressorList[0][0] = 0.0;
+	CompressorList[1][0] = CompressorList[2][0] = CompressorList[3][0] = 1.0;
+
    for (int b = -1; b <= MainBrakeMaxPos; ++b)
    {
        BrakePressureTable[b].PipePressureVal = 0.0;
@@ -1051,7 +1057,10 @@ void TMoverParameters::CollisionDetect(int const End, double const dt)

    if( velocitydifference > safevelocitylimit ) {
        // HACK: crude estimation for potential derail, will take place with velocity difference > 15 km/h adjusted for vehicle mass ratio
-        WriteLog( "Bad driving: " + Name + " and " + othervehicle->Name + " collided with velocity " + to_string( velocitydifference, 0 ) + " km/h" );
+        if( ( false == TestFlag( DamageFlag, dtrain_out ) )
+         || ( false == TestFlag( othervehicle->DamageFlag, dtrain_out ) ) ) {
+            WriteLog( "Bad driving: " + Name + " and " + othervehicle->Name + " collided with velocity " + to_string( velocitydifference, 0 ) + " km/h" );
+        }

        if( velocitydifference > safevelocitylimit * ( TotalMass / othervehicle->TotalMass ) ) {
            derail( 5 );
@@ -1084,12 +1093,14 @@ void TMoverParameters::CollisionDetect(int const End, double const dt)
 void
 TMoverParameters::damage_coupler( int const End ) {

+    auto &coupler{ Couplers[ End ] };
+
+    if( coupler.CouplerType == TCouplerType::Articulated ) { return; } // HACK: don't break articulated couplings no matter what
+
    if( SetFlag( DamageFlag, dtrain_coupling ) )
        EventFlag = true;

-    auto &coupler { Couplers[ End ] };
-
-    if( ( coupler.CouplingFlag & ctrain_pneumatic ) == ctrain_pneumatic ) {
+    if( ( coupler.CouplingFlag & coupling::brakehose ) == coupling::brakehose ) {
        // hamowanie nagle - zerwanie przewodow hamulcowych
        AlarmChainFlag = true;
    }
@@ -1100,11 +1111,11 @@ TMoverParameters::damage_coupler( int const End ) {
        switch( End ) {
            // break connection with other vehicle, if there's any
            case 0: {
-                coupler.Connected->Couplers[ end::rear ].CouplingFlag = 0;
+                coupler.Connected->Couplers[ end::rear ].CouplingFlag = coupling::faux;
                break;
            }
            case 1: {
-                coupler.Connected->Couplers[ end::front ].CouplingFlag = 0;
+                coupler.Connected->Couplers[ end::front ].CouplingFlag = coupling::faux;
                break;
            }
            default: {
@@ -2311,7 +2322,7 @@ bool TMoverParameters::CabDeactivisation(void)
        CabNo = 0;
        DirAbsolute = ActiveDir * CabNo;
        DepartureSignal = false; // nie buczeć z nieaktywnej kabiny
-        SecuritySystem.Status = 0; // deactivate alerter TODO: make it part of control based cab selection
+        SecuritySystem.Status = s_off; // deactivate alerter TODO: make it part of control based cab selection

        SendCtrlToNext("CabActivisation", 0, ActiveCab); // CabNo==0!
    }
@@ -2346,6 +2357,63 @@ bool TMoverParameters::AddPulseForce(int Multipler)
    return APF;
 }

+// *************************************************************************************************
+// yB: 20190909
+// sypanie piasku reczne
+// *************************************************************************************************
+bool TMoverParameters::SandboxManual(bool const State, range_t const Notify)
+{
+	bool result{ false };
+
+	if (SandDoseManual != State) {
+		if (SandDoseManual == false) {
+			// switch on
+			if (Sand > 0) {
+				SandDoseManual = true;
+				result = true;
+			}
+		}
+		else {
+			// switch off
+			SandDoseManual = false;
+			result = true;
+		}
+	}
+
+	Sandbox(SandDoseManual || SandDoseAuto, Notify);
+
+	return result;
+}
+
+// *************************************************************************************************
+// yB: 20190909
+// sypanie piasku automatyczne
+// *************************************************************************************************
+bool TMoverParameters::SandboxAuto(bool const State, range_t const Notify)
+{
+	bool result{ false };
+	bool NewState = State && SandDoseAutoAllow;
+	if (SandDoseAuto != NewState) {
+		if (SandDoseAuto == false) {
+			// switch on
+			if (Sand > 0) {
+				SandDoseAuto = true;
+				result = true;
+			}
+		}
+		else {
+			// switch off
+			SandDoseAuto = false;
+			result = true;
+		}
+	}
+
+	Sandbox(SandDoseManual || SandDoseAuto, Notify);
+
+	return result;
+}
+
+
 // *************************************************************************************************
 // Q: 20160713
 // sypanie piasku
@@ -2389,6 +2457,24 @@ bool TMoverParameters::Sandbox( bool const State, range_t const Notify )
    return result;
 }

+// *************************************************************************************************
+// yB: 20190909
+// włączenie / wyłączenie automatycznej piasecznicy
+// *************************************************************************************************
+bool TMoverParameters::SandboxAutoAllow(bool State)
+{
+	//SendCtrlToNext("SandboxAutoAllow", int(State), CabNo, ctrain_controll);
+
+	if (SandDoseAutoAllow != State)
+	{
+		SandDoseAutoAllow = State;
+		return true;
+	}
+	else
+		return false;
+	
+}
+
 void TMoverParameters::SSReset(void)
 { // funkcja pomocnicza dla SecuritySystemReset - w Delphi Reset()
    SecuritySystem.SystemTimer = 0;
@@ -2456,7 +2542,7 @@ void TMoverParameters::SecuritySystemCheck(double dt)
 		RadiostopSwitch(false);

    if ((SecuritySystem.SystemType > 0)
-     && (SecuritySystem.Status > 0)
+     && (SecuritySystem.Status != s_off)
     && (Battery)) // Ra: EZT ma teraz czuwak w rozrządczym
    {
        // CA
@@ -2547,8 +2633,8 @@ bool TMoverParameters::BatterySwitch(bool State)
        SendCtrlToNext("BatterySwitch", 0, CabNo);
    BS = true;

-    if ((Battery) && (ActiveCab != 0)) /*|| (TrainType==dt_EZT)*/
-        SecuritySystem.Status = (SecuritySystem.Status | s_waiting); // aktywacja czuwaka
+    if ((Battery) && (ActiveCab != 0))
+        SecuritySystem.Status |= s_waiting; // aktywacja czuwaka
    else
        SecuritySystem.Status = 0; // wyłączenie czuwaka

@@ -2572,6 +2658,57 @@ bool TMoverParameters::EpFuseSwitch(bool State)
    //  else SendCtrlToNext("EpFuseSwitch", 0, CabNo);
 }

+// *************************************************************************************************
+// yB: 20190906
+// włączenie / wyłączenie hamulca sprezynowego
+// *************************************************************************************************
+bool TMoverParameters::SpringBrakeActivate(bool State)
+{
+	if (Battery)
+	{
+		SendCtrlToNext("SpringBrakeActivate", int(State), CabNo, SpringBrake.MultiTractionCoupler);
+
+		if (SpringBrake.Activate != State)
+		{
+			SpringBrake.Activate = State;
+			return true;
+		}
+	}
+	return false;
+}
+
+// *************************************************************************************************
+// yB: 20190906
+// włączenie / wyłączenie odciecia hamulca sprezynowego
+// *************************************************************************************************
+bool TMoverParameters::SpringBrakeShutOff(bool State)
+{
+	if (SpringBrake.ShuttOff != State)
+	{
+		SpringBrake.ShuttOff = State;
+		return true;
+	}
+	else
+		return false;
+
+}
+
+// *************************************************************************************************
+// yB: 20190906
+// wyluzowanie hamulca sprezynowego
+// *************************************************************************************************
+bool TMoverParameters::SpringBrakeRelease()
+{
+	if (SpringBrake.IsReady && SpringBrake.Cylinder->P() < SpringBrake.MinForcePressure)
+	{
+		SpringBrake.IsReady = false;
+		return true;
+	}
+	else
+		return false;
+
+}
+
 // *************************************************************************************************
 // Q: 20160710
 // kierunek do tyłu
@@ -3313,6 +3450,37 @@ bool TMoverParameters::BrakeReleaser(int state)
    return OK;
 }

+// *************************************************************************************************
+// yB: 20160711
+// włączenie / wyłączenie uniwersalnego przycisku hamulcowego
+// *************************************************************************************************
+bool TMoverParameters::UniversalBrakeButton(int button, int state)
+{
+	bool OK = true; //false tylko jeśli nie uda się wysłać, GF 20161124
+	UniversalBrakeButtonActive[button] = state > 0;
+	int flag = 0;
+	if (Battery) {
+		for (int i = 0; i < 3; i++) {
+			flag = flag | (UniversalBrakeButtonActive[i] ? UniversalBrakeButtonFlag[i] : 0);
+		}
+	}
+
+	Hamulec->SetUniversalFlag(flag);
+	Handle->SetUniversalFlag(flag);
+	LocHandle->SetUniversalFlag(flag);
+	UnlockPipe = (flag & TUniversalBrake::ub_UnlockPipe) > 0;
+
+	//if the releaser can be activated by switch
+	if ( TestFlag ( UniversalBrakeButtonFlag[0] & UniversalBrakeButtonFlag[1] & UniversalBrakeButtonFlag[2],
+				  TUniversalBrake::ub_Release ) )
+	{
+		Hamulec->Releaser( int ( TestFlag ( flag, TUniversalBrake::ub_Release ) ));
+		if (CabNo != 0) // rekurencyjne wysłanie do następnego
+			OK = SendCtrlToNext("BrakeReleaser", state, CabNo);
+	}
+	return OK;
+}
+
 // *************************************************************************************************
 // Q: 20160711
 // włączenie / wyłączenie hamulca elektro-pneumatycznego
@@ -3491,12 +3659,31 @@ void TMoverParameters::UpdateBrakePressure(double dt)
 // TODO: clean the method up, a lot of the code is redundant
 void TMoverParameters::CompressorCheck(double dt)
 {
+
+	double MaxCompressorF = CompressorList[TCompressorList::cl_MaxFactor][CompressorListPos] * MaxCompressor;
+	double MinCompressorF = CompressorList[TCompressorList::cl_MinFactor][CompressorListPos] * MinCompressor;
+	double CompressorSpeedF = CompressorList[TCompressorList::cl_SpeedFactor][CompressorListPos] * CompressorSpeed;
+	double AllowFactor = CompressorList[TCompressorList::cl_Allow][CompressorListPos];
+
+	//checking the impact on the compressor allowance
+	if (AllowFactor > 0.5) {
+		CompressorAllow = AllowFactor > 1.5;
+	}
+	
    if( VeselVolume == 0.0 ) { return; }

+	//EmergencyValve
+	EmergencyValveOpen = (Compressor > (EmergencyValveOpen ? EmergencyValveOff : EmergencyValveOn));
+	if (EmergencyValveOpen) {
+		float dV = PF(0, Compressor, EmergencyValveArea)* dt;
+		CompressedVolume -= dV;
+	}
+
+
    CompressedVolume = std::max( 0.0, CompressedVolume - dt * AirLeakRate * 0.1 ); // nieszczelności: 0.001=1l/s

    if( ( true == CompressorGovernorLock )
-     && ( Compressor < MinCompressor ) ) {
+     && ( Compressor < MinCompressorF ) ) {
        // if the pressure drops below the cut-in level, we can reset compressor governor
        // TBD, TODO: don't operate the lock without battery power?
        CompressorGovernorLock = false;
@@ -3506,25 +3693,25 @@ void TMoverParameters::CompressorCheck(double dt)
        CompressorAllow = ConverterAllow;
    }

-    if (MaxCompressor - MinCompressor < 0.0001) {
+    if (MaxCompressorF - MinCompressorF < 0.0001) {
        // TODO: investigate purpose of this branch and whether it can be removed as it duplicates later code
        if( ( true == CompressorAllow )
         && ( true == CompressorAllowLocal )
         && ( true == Mains )
         && ( MainCtrlPowerPos() > 0 ) ) {
-            if( Compressor < MaxCompressor ) {
+            if( Compressor < MaxCompressorF ) {
                if( ( EngineType == TEngineType::DieselElectric )
                 && ( CompressorPower > 0 ) ) {
                    CompressedVolume +=
-                        CompressorSpeed
-                        * ( 2.0 * MaxCompressor - Compressor ) / MaxCompressor
+                        CompressorSpeedF
+                        * ( 2.0 * MaxCompressorF - Compressor ) / MaxCompressorF
                        * ( ( 60.0 * std::abs( enrot ) ) / DElist[ MainCtrlPosNo ].RPM )
                        * dt;
                }
                else {
                    CompressedVolume +=
-                        CompressorSpeed
-                        * ( 2.0 * MaxCompressor - Compressor ) / MaxCompressor
+                        CompressorSpeedF
+                        * ( 2.0 * MaxCompressorF - Compressor ) / MaxCompressorF
                        * dt;
                    TotalCurrent += 0.0015 * Voltage; // tymczasowo tylko obciążenie sprężarki, tak z 5A na sprężarkę
                }
@@ -3576,7 +3763,7 @@ void TMoverParameters::CompressorCheck(double dt)
                     || ( CompressorPower == 0 )
                     || ( CompressorPower == 3 ) ) );

-            if( Compressor > MaxCompressor ) {
+            if( Compressor > MaxCompressorF ) {
                // wyłącznik ciśnieniowy jest niezależny od sposobu zasilania
                // TBD, TODO: don't operate the lock without battery power?
                if( CompressorPower == 3 ) {
@@ -3612,8 +3799,8 @@ void TMoverParameters::CompressorCheck(double dt)
        else {
            // jeśli nie załączona
            if( ( LastSwitchingTime > CtrlDelay )
-             && ( ( Compressor < MinCompressor )
-               || ( ( Compressor < MaxCompressor )
+             && ( ( Compressor < MinCompressorF )
+               || ( ( Compressor < MaxCompressorF )
                 && ( false == CompressorGovernorLock ) ) ) ) {
                    // załączenie przy małym ciśnieniu
                    // jeśli nie załączona, a ciśnienie za małe
@@ -3688,7 +3875,7 @@ void TMoverParameters::CompressorCheck(double dt)
                        1.0 ) }; // shouldn't ever get here but, eh
                    CompressedVolume +=
                        CompressorSpeed
-                        * ( 2.0 * MaxCompressor - Compressor ) / MaxCompressor
+                        * ( 2.0 * MaxCompressorF - Compressor ) / MaxCompressorF
                        * enginefactor
                        * dt;
                }
@@ -3702,8 +3889,8 @@ void TMoverParameters::CompressorCheck(double dt)
            else {
                // the compressor is a stand-alone device, working at steady pace
                CompressedVolume +=
-                    CompressorSpeed
-                    * ( 2.0 * MaxCompressor - Compressor ) / MaxCompressor
+                    CompressorSpeedF
+                    * ( 2.0 * MaxCompressorF - Compressor ) / MaxCompressorF
                    * dt;

                if( ( CompressorPower == 5 ) && ( Couplers[ 1 ].Connected != NULL ) ) {
@@ -3752,11 +3939,17 @@ void TMoverParameters::UpdatePipePressure(double dt)
 			dpLocalValve = LocHandle->GetPF(std::max(LocalBrakePosA, LocalBrakePosAEIM), Hamulec->GetBCP(), ScndPipePress, dt, 0);
 		else
 			dpLocalValve = LocHandle->GetPF(LocalBrakePosAEIM, Hamulec->GetBCP(), ScndPipePress, dt, 0);
-        if( ( BrakeHandle == TBrakeHandle::FV4a )
-         && ( ( PipePress < 2.75 )
-           && ( ( Hamulec->GetStatus() & b_rls ) == 0 ) )
-         && ( BrakeSubsystem == TBrakeSubSystem::ss_LSt )
-         && ( TrainType != dt_EZT ) ) {
+
+		LockPipe = PipePress < (LockPipe ? LockPipeOff : LockPipeOn);
+		bool lock_new = (LockPipe && !UnlockPipe && (BrakeCtrlPosR > HandleUnlock)); //new simple codition based on .fiz
+		bool lock_old = ((BrakeHandle == TBrakeHandle::FV4a) //old complex condition based on assumptions
+			&& ((PipePress < 2.75)
+				&& ((Hamulec->GetStatus() & b_rls) == 0))
+			&& (BrakeSubsystem == TBrakeSubSystem::ss_LSt)
+			&& (TrainType != dt_EZT)
+			&& (!UnlockPipe));
+
+        if( ( lock_old ) || ( lock_new ) ) {
            temp = PipePress + 0.00001;
        }
        else {
@@ -3985,6 +4178,8 @@ void TMoverParameters::UpdateScndPipePressure(double dt)
    TMoverParameters *c;
    double dv1, dv2, dV;

+	UpdateSpringBrake(dt);
+
    dv1 = 0;
    dv2 = 0;

@@ -4037,6 +4232,37 @@ void TMoverParameters::UpdateScndPipePressure(double dt)
    }
 }

+
+// *************************************************************************************************
+// yB: 20190906
+// Aktualizacja ciśnienia w hamulcu sprezynowym
+// *************************************************************************************************
+void TMoverParameters::UpdateSpringBrake(double dt)
+{
+	double BP = SpringBrake.PNBrakeConnection ? BrakePress : 0;
+	double MSP = SpringBrake.ShuttOff ? 0 : SpringBrake.MaxSetPressure;
+	if (!SpringBrake.Activate)
+	{
+		double desired_press = std::min(std::max(MSP, BP), Pipe2->P());
+		double dv = PF(desired_press, SpringBrake.SBP, SpringBrake.ValveOffArea);
+		SpringBrake.Cylinder->Flow(-dv);
+		Pipe2->Flow(std::max(dv,0.0));
+	}
+	else
+	{
+		double dv = PF(BP, SpringBrake.SBP, SpringBrake.ValveOnArea);
+		SpringBrake.Cylinder->Flow(-dv);
+	}
+	if (SpringBrake.SBP > SpringBrake.ResetPressure)
+		SpringBrake.IsReady = true;
+	
+	SpringBrake.IsActive = SpringBrake.SBP < (SpringBrake.IsActive ? SpringBrake.PressureOff : SpringBrake.PressureOn);
+
+	SpringBrake.Release = false;
+	SpringBrake.Cylinder->Act();
+	SpringBrake.SBP = SpringBrake.Cylinder->P();
+}
+
 // *************************************************************************************************
 // Q: 20160715
 // oblicza i zwraca przepływ powietrza pomiędzy pojazdami
@@ -4378,6 +4604,9 @@ double TMoverParameters::BrakeForce( TTrackParam const &Track ) {
        K = MaxBrakeForce * ManualBrakeRatio();
    }

+	if (SpringBrake.IsReady)
+		K += std::max(0.0, SpringBrake.MinForcePressure - SpringBrake.Cylinder->P()) * SpringBrake.MaxBrakeForce;
+
    u = ((BrakePress * P2FTrans) - BrakeCylSpring) * BrakeCylMult[0] - BrakeSlckAdj;
    if (u * BrakeRigEff > Ntotal) // histereza na nacisku klockow
        Ntotal = u * BrakeRigEff;
@@ -5425,11 +5654,11 @@ double TMoverParameters::TractionForce( double dt ) {
                if( ( SlippingWheels ) ) {
                    PosRatio = 0;
                    tmp = 10;
-                    Sandbox( true, range_t::unit );
+                    SandboxAuto( true, range_t::unit );
                } // przeciwposlizg
                else {
                    // switch sandbox off
-                    Sandbox( false, range_t::unit );
+                    SandboxAuto( false, range_t::unit );
                }

 				eimv_pr += Max0R(Min0R(PosRatio - eimv_pr, 0.02), -0.02) * 12 *
@@ -6341,17 +6570,20 @@ void TMoverParameters::CheckEIMIC(double dt)
 		}
 		break;
 	case 3:
-		if ((UniCtrlList[MainCtrlPos].mode != BrakeCtrlPos) && (MainCtrlActualPos == MainCtrlPos)) //there was no move of controller, but brake only
+		if (UniCtrlIntegratedBrakePNCtrl)
 		{
-			if (BrakeCtrlPos < UniCtrlList[MainCtrlPosNo].mode) 
-				BrakeLevelSet(UniCtrlList[MainCtrlPosNo].mode); //bottom clamping
-			if (BrakeCtrlPos > UniCtrlList[0].mode)
-				BrakeLevelSet(UniCtrlList[0].mode); //top clamping
-			while (BrakeCtrlPos > UniCtrlList[MainCtrlPos].mode) DecMainCtrl(1); //find nearest position
-			while (BrakeCtrlPos < UniCtrlList[MainCtrlPos].mode) IncMainCtrl(1); //find nearest position
+			if ((UniCtrlList[MainCtrlPos].mode != BrakeCtrlPos) && (MainCtrlActualPos == MainCtrlPos)) //there was no move of controller, but brake only
+			{
+				if (BrakeCtrlPos < UniCtrlList[MainCtrlPosNo].mode)
+					BrakeLevelSet(UniCtrlList[MainCtrlPosNo].mode); //bottom clamping
+				if (BrakeCtrlPos > UniCtrlList[0].mode)
+					BrakeLevelSet(UniCtrlList[0].mode); //top clamping
+				while (BrakeCtrlPos > UniCtrlList[MainCtrlPos].mode) DecMainCtrl(1); //find nearest position
+				while (BrakeCtrlPos < UniCtrlList[MainCtrlPos].mode) IncMainCtrl(1); //find nearest position
+			}
+			else //controller was moved
+				BrakeLevelSet(UniCtrlList[MainCtrlPos].mode);
 		}
-		else //controller was moved
-			BrakeLevelSet(UniCtrlList[MainCtrlPos].mode);

 		if ((MainCtrlActualPos != MainCtrlPos) || (LastRelayTime>InitialCtrlDelay))
 		{
@@ -6368,12 +6600,17 @@ void TMoverParameters::CheckEIMIC(double dt)
 		}
 		if (Hamulec->GetEDBCP() > 0.3 && eimic < 0) //when braking with pneumatic brake
 			eimic = 0; //shut off retarder
+		if (UniCtrlIntegratedBrakeCtrl == false)
+		{
+			eimic = (LocalBrakeRatio() > 0.01 ? -LocalBrakeRatio() : eimic);
+		}

 	}
    auto const eimicpowerenabled {
        ( ( true == Mains ) || ( Power == 0.0 ) )
     && ( ( Doors.instances[ side::left  ].open_permit == false )
-       && ( Doors.instances[ side::right ].open_permit == false ) ) };
+       && ( Doors.instances[ side::right ].open_permit == false ) )
+	   && ( !SpringBrake.IsActive ) };
 	eimic = clamp(eimic, -1.0, eimicpowerenabled ? 1.0 : 0.0);
 }

@@ -7727,6 +7964,7 @@ bool startMPT, startMPT0;
 bool startRLIST, startUCLIST;
 bool startDLIST, startFFLIST, startWWLIST;
 bool startLIGHTSLIST;
+bool startCOMPRESSORLIST;
 int LISTLINE;

 bool issection( std::string const &Name, std::string const &Input ) {
@@ -8026,12 +8264,33 @@ bool TMoverParameters::readLightsList( std::string const &Input ) {
        return false;
    }
    parser
-        >> Lights[ 0 ][ idx ]
-        >> Lights[ 1 ][ idx ];
+		>> Lights[0][idx]
+		>> Lights[1][idx];

    return true;
 }

+bool TMoverParameters::readCompressorList(std::string const &Input) {
+
+	cParser parser(Input);
+	if (false == parser.getTokens(4, false)) {
+		WriteLog("Read CompressorList: arguments missing in line " + std::to_string(LISTLINE + 1));
+		return false;
+	}
+	int idx = LISTLINE++;
+	if (idx > 8) {
+		WriteLog("Read CompressorList: number of entries exceeded capacity of the data table");
+		return false;
+	}
+	parser
+		>> CompressorList[ 0 ][ idx + 1 ]
+		>> CompressorList[ 1 ][ idx + 1 ]
+		>> CompressorList[ 2 ][ idx + 1 ]
+		>> CompressorList[ 3 ][ idx + 1 ]; 
+
+	return true;
+}
+
 // *************************************************************************************************
 // Q: 20160719
 // *************************************************************************************************
@@ -8138,6 +8397,7 @@ bool TMoverParameters::LoadFIZ(std::string chkpath)
    startFFLIST = false;
    startWWLIST = false;
    startLIGHTSLIST = false;
+	startCOMPRESSORLIST = false;
    std::string file = chkpath + TypeName + ".fiz";

    WriteLog("LOAD FIZ FROM " + file);
@@ -8226,6 +8486,11 @@ bool TMoverParameters::LoadFIZ(std::string chkpath)
            startLIGHTSLIST = false;
            continue;
        }
+		if ( issection( "endCL", inputline ) ) {
+			startBPT = false;
+			startCOMPRESSORLIST = false;
+			continue;
+		}
        // ...then all recognized sections...
        if( issection( "Param.", inputline ) )
        {
@@ -8317,7 +8582,7 @@ bool TMoverParameters::LoadFIZ(std::string chkpath)

 		if (issection("Blending:", inputline)) {

-			startBPT = true; LISTLINE = 0;
+			startBPT = false; LISTLINE = 0;
 			fizlines.emplace( "Blending", inputline);
 			LoadFIZ_Blending( inputline );
 			continue;
@@ -8325,12 +8590,20 @@ bool TMoverParameters::LoadFIZ(std::string chkpath)

 		if (issection("DCEMUED:", inputline)) {

-			startBPT = true; LISTLINE = 0;
+			startBPT = false; LISTLINE = 0;
 			fizlines.emplace("DCEMUED", inputline);
 			LoadFIZ_DCEMUED(inputline);
 			continue;
 		}

+		if (issection("SpringBrake:", inputline)) {
+
+			startBPT = false; LISTLINE = 0;
+			fizlines.emplace("SpringBrake", inputline);
+			LoadFIZ_SpringBrake(inputline);
+			continue;
+		}
+
        if( issection( "Light:", inputline ) ) {

            startBPT = false;
@@ -8449,6 +8722,14 @@ bool TMoverParameters::LoadFIZ(std::string chkpath)
            continue;
        }

+		if (issection("CompressorList:", inputline)) {
+			startBPT = false;
+			fizlines.emplace("CompressorList", inputline);
+			startCOMPRESSORLIST = true; LISTLINE = 0;
+			LoadFIZ_CompressorList( inputline );
+			continue;
+		}
+
        // ...and finally, table parsers.
        // NOTE: once table parsing is enabled it lasts until switched off, when another section is recognized
        if( true == startBPT ) {
@@ -8487,6 +8768,10 @@ bool TMoverParameters::LoadFIZ(std::string chkpath)
            readLightsList( inputline );
            continue;
        }
+		if (true == startCOMPRESSORLIST) {
+			readCompressorList(inputline);
+			continue;
+		}
    } // while line
 /*
    in.close();
@@ -8728,6 +9013,15 @@ void TMoverParameters::LoadFIZ_Brake( std::string const &line ) {
    extract_value( MinCompressor, "MinCP", line, "" );
    extract_value( MaxCompressor, "MaxCP", line, "" );
    extract_value( CompressorSpeed, "CompressorSpeed", line, "" );
+	extract_value( EmergencyValveOff, "MinEVP", line, "" );
+	extract_value( EmergencyValveOn, "MaxEVP", line, "" );
+	extract_value( EmergencyValveArea, "EVArea", line, "" );
+	extract_value( UniversalBrakeButtonFlag[0], "UBB1", line, "");
+	extract_value( UniversalBrakeButtonFlag[1], "UBB2", line, "");
+	extract_value( UniversalBrakeButtonFlag[2], "UBB3", line, "");
+	extract_value( LockPipeOn, "LPOn", line, "-1");
+	extract_value( LockPipeOff, "LPOff", line, "-1");
+	extract_value( HandleUnlock, "HandlePipeUnlockPos", line, "-3");
    {
        std::map<std::string, int> compressorpowers{
            { "Main", 0 },
@@ -9198,6 +9492,30 @@ void TMoverParameters::LoadFIZ_DCEMUED(std::string const &line) {

 }

+
+void TMoverParameters::LoadFIZ_SpringBrake(std::string const &line) {
+
+	double vol;
+	extract_value(vol, "Volume", line, "1");
+	if (!SpringBrake.Cylinder)
+		SpringBrake.Cylinder = std::make_shared<TReservoir>();
+	SpringBrake.Cylinder->CreateCap(vol);
+	extract_value(SpringBrake.MaxBrakeForce, "MBF", line, "");
+	extract_value(SpringBrake.MaxSetPressure, "MaxSP", line, "");
+	extract_value(SpringBrake.ResetPressure, "ResetP", line, "");
+	extract_value(SpringBrake.MinForcePressure, "MinFP", line, "");
+	extract_value(SpringBrake.PressureOff, "PressOff", line, "");
+	extract_value(SpringBrake.PressureOn, "PressOn", line, "");
+	extract_value(SpringBrake.ValveOffArea, "ValveOnArea", line, "");
+	extract_value(SpringBrake.ValveOnArea, "ValveOffArea", line, "");
+	extract_value(SpringBrake.ValvePNBrakeArea, "ValvePNBArea", line, "");
+	SpringBrake.PNBrakeConnection = SpringBrake.ValvePNBrakeArea > 0;
+	extract_value(SpringBrake.MultiTractionCoupler, "MTC", line, "");
+	SpringBrake.ShuttOff = false;
+	SpringBrake.Activate = false;
+	SpringBrake.IsReady = true;
+}
+
 void TMoverParameters::LoadFIZ_Light( std::string const &line ) {

    LightPowerSource.SourceType = LoadFIZ_SourceDecode( extract_value( "Light", line ) );
@@ -9543,6 +9861,8 @@ void TMoverParameters::LoadFIZ_RList( std::string const &Input ) {
 void TMoverParameters::LoadFIZ_UCList(std::string const &Input) {

 	extract_value(UniCtrlListSize, "Size", Input, "");
+	UniCtrlIntegratedBrakeCtrl = (extract_value("IntegratedBrake", Input) == "Yes");
+	UniCtrlIntegratedBrakePNCtrl = (extract_value("IntegratedBrakePN", Input) == "Yes");

 }

@@ -9573,6 +9893,13 @@ void TMoverParameters::LoadFIZ_LightsList( std::string const &Input ) {
    extract_value( LightsDefPos, "Default", Input, "" );
 }

+void TMoverParameters::LoadFIZ_CompressorList(std::string const &Input) {
+
+	extract_value( CompressorListPosNo, "Size", Input, "" );
+	extract_value( CompressorListWrap, "Wrap", Input, "" );
+	extract_value( CompressorListDefPos, "Default", Input, "" );
+}
+
 void TMoverParameters::LoadFIZ_PowerParamsDecode( TPowerParameters &Powerparameters, std::string const Prefix, std::string const &Line ) {

    switch( Powerparameters.SourceType ) {
@@ -9930,9 +10257,16 @@ bool TMoverParameters::CheckLocomotiveParameters(bool ReadyFlag, int Dir)
    Pipe2 = std::make_shared<TReservoir>(); // zabezpieczenie, bo sie PG wywala... :(
    Pipe->CreateCap( ( std::max( Dim.L, 14.0 ) + 0.5 ) * Spg * 1 ); // dlugosc x przekroj x odejscia i takie tam
    Pipe2->CreateCap( ( std::max( Dim.L, 14.0 ) + 0.5 ) * Spg * 1 );
+	if (!SpringBrake.Cylinder)
+	{
+		SpringBrake.Cylinder = std::make_shared<TReservoir>();
+		SpringBrake.Cylinder->CreateCap(1);
+	}

    if( LightsPosNo > 0 )
        LightsPos = LightsDefPos;
+	if (CompressorListPosNo > 0)
+		CompressorListPos = CompressorListDefPos;

    // NOTE: legacy compatibility behaviour for vehicles without defined heating power source
    if( ( EnginePowerSource.SourceType == TPowerSource::CurrentCollector )
@@ -10412,10 +10746,13 @@ bool TMoverParameters::RunCommand( std::string Command, double CValue1, double C
            Battery = true;
        else if ((CValue1 == 0))
            Battery = false;
-        if ((Battery) && (ActiveCab != 0) /*or (TrainType=dt_EZT)*/)
+        /*
+        // TBD: makes no sense to activate alerters in entire consist
+        if ((Battery) && (ActiveCab != 0) )
            SecuritySystem.Status = SecuritySystem.Status | s_waiting; // aktywacja czuwaka
        else
            SecuritySystem.Status = 0; // wyłączenie czuwaka
+        */
        OK = SendCtrlToNext( Command, CValue1, CValue2, Couplertype );
    }
    //   else if command='EpFuseSwitch' then         {NBMX}
@@ -10698,6 +11035,16 @@ bool TMoverParameters::RunCommand( std::string Command, double CValue1, double C
 				ScndCtrlActualPos = static_cast<int>(round(CValue1));
 		OK = SendCtrlToNext(Command, CValue1, CValue2, Couplertype);
 	}
+	else if (Command == "SpringBrakeActivate")
+	{
+		if (Battery)
+		{
+			SpringBrake.Activate = CValue1 > 0;
+			OK = SendCtrlToNext(Command, CValue1, CValue2, Couplertype);
+		}
+		else
+			OK = true;
+	}

 	return OK; // dla true komenda będzie usunięta, dla false wykonana ponownie
 }
--- a/McZapkie/hamulce.cpp
+++ b/McZapkie/hamulce.cpp
@@ -1300,7 +1300,9 @@ double TLSt::GetPF( double const PP, double const dt, double const Vel )
        SoundFlag |= sf_CylU;
    }
    // equivalent of checkreleaser() in the base class?
-    if( ( BrakeStatus & b_rls ) == b_rls ) {
+	bool is_releasing = ( ( BrakeStatus & b_rls)
+						|| ( UniversalFlag & TUniversalBrake::ub_Release ) );
+    if ( is_releasing ) {
        if( CVP < 0.0 ) {
            BrakeStatus &= ~b_rls;
        }
@@ -1373,9 +1375,12 @@ double TLSt::GetPF( double const PP, double const dt, double const Vel )
    temp = 1 - RapidTemp;
    if (EDFlag > 0.2)
        temp = 10000;
-
+	double tempasb = 0;
+	if ( ( (UniversalFlag & TUniversalBrake::ub_AntiSlipBrake) > 0)
+		|| ( (BrakeStatus & b_asb_unbrake) == b_asb_unbrake ) )
+		tempasb = ASBP;
    // powtarzacz — podwojny zawor zwrotny
-    temp = Max0R(((CVP - BCP) * BVM + ASBP * int((BrakeStatus & b_asb_unbrake) == b_asb_unbrake)) / temp, LBP);
+    temp = Max0R( ( (CVP - BCP) * BVM + tempasb ) / temp, LBP );
    // luzowanie CH
    if ((BrakeCyl->P() > temp + 0.005) || (temp < 0.28))
        //   dV:=PF(0,BrakeCyl->P(),0.0015*3*sizeBC)*dt
@@ -1556,6 +1561,10 @@ double TEStED::GetPF( double const PP, double const dt, double const Vel )

    // powtarzacz — podwojny zawor zwrotny
    temp = Max0R(LoadC * BCP / temp * Min0R(Max0R(1 - EDFlag, 0), 1), LBP);
+	
+	if ( ( UniversalFlag & TUniversalBrake::ub_AntiSlipBrake ) > 0 )
+		temp = std::max(temp, ASBP);
+
 	double speed = 1;
 	if ((ASBP < 0.1) && ((BrakeStatus & b_asb_unbrake) == b_asb_unbrake))
 	{
@@ -2292,6 +2301,11 @@ void TDriverHandle::OvrldButton(bool Active)
 {
 	ManualOvrldActive = Active;
 }
+
+void TDriverHandle::SetUniversalFlag(int flag)
+{
+	UniversalFlag = flag;
+}
 //---FV4a---

 double TFV4a::GetPF(double i_bcp, double PP, double HP, double dt, double ep)
@@ -2576,7 +2590,7 @@ double TMHZ_EN57::GetPF( double i_bcp, double PP, double HP, double dt, double e

    i_bcp = Max0R(Min0R(i_bcp, 9.999), -0.999); // na wszelki wypadek, zeby nie wyszlo poza zakres

-    if ((TP > 0))
+    if ((TP > 0)&&(CP > 4.9))
    {
        DP = 0.045;
        if (EQ(i_bcp, 0))
@@ -2591,8 +2605,13 @@ double TMHZ_EN57::GetPF( double i_bcp, double PP, double HP, double dt, double e
    LimPP = Min0R(LPP_RP(i_bcp) + TP * 0.08 + RedAdj, HP); // pozycja + czasowy lub zasilanie
    ActFlowSpeed = 4;

-    if ((EQ(i_bcp, -1)))
-        pom = Min0R(HP, 5.4 + RedAdj);
+	double uop = UnbrakeOverPressure; //unbrake over pressure in actual state
+	ManualOvrldActive = (UniversalFlag & TUniversalBrake::ub_HighPressure); //button is pressed
+	if (ManualOvrld && !ManualOvrldActive) //no overpressure for not pressed button if it does not exists
+		uop = 0;
+
+    if ( ( EQ( i_bcp, -1 ) ) && ( uop > 0 ) )
+        pom = Min0R(HP, 5.4 + RedAdj + uop);
    else
        pom = Min0R(CP, HP);

@@ -2602,9 +2621,9 @@ double TMHZ_EN57::GetPF( double i_bcp, double PP, double HP, double dt, double e
        CP = CP + 13 * Min0R(abs(LimPP - CP), 0.05) * PR(CP, LimPP) * dt; // zbiornik sterujacy

    LimPP = pom; // cp
-    if (EQ(i_bcp, -1))
-        dpPipe = HP;
-    else
+    //if (EQ(i_bcp, -1))
+ //       dpPipe = HP;
+ //   else
        dpPipe = Min0R(HP, LimPP);

    if (dpPipe > PP)
@@ -2612,7 +2631,8 @@ double TMHZ_EN57::GetPF( double i_bcp, double PP, double HP, double dt, double e
    else
        dpMainValve = PFVd(PP, 0, ActFlowSpeed / LBDelay, dpPipe, 0.4);

-    if (EQ(i_bcp, -1))
+    if ( ( EQ(i_bcp, -1) && ( AutoOvrld ) )
+		||(i_bcp<0.5 && (UniversalFlag & TUniversalBrake::ub_Overload)))
    {
        if ((TP < 5))
            TP = TP + dt; // 5/10
@@ -2691,6 +2711,15 @@ double TMHZ_EN57::LPP_RP(double pos) // cisnienie z zaokraglonej pozycji;
        return 5.0;
 }

+void TMHZ_EN57::SetParams(bool AO, bool MO, double OverP, double)
+{
+	AutoOvrld = AO;
+	ManualOvrld = MO;
+	UnbrakeOverPressure = std::max(0.0, OverP);
+	Fala = (OverP > 0.01);
+
+}
+
 bool TMHZ_EN57::EQ(double pos, double i_pos)
 {
    return (pos <= i_pos + 0.5) && (pos > i_pos - 0.5);
@@ -2716,7 +2745,7 @@ double TMHZ_K5P::GetPF(double i_bcp, double PP, double HP, double dt, double ep)

 	i_bcp = Max0R(Min0R(i_bcp, 2.999), -0.999); // na wszelki wypadek, zeby nie wyszlo poza zakres

-	if ((TP > 0))
+	if ((TP > 0)&&(CP>4.9))
 	{
 		DP = 0.004;
 		TP = TP - DP * dt;
@@ -2742,14 +2771,19 @@ double TMHZ_K5P::GetPF(double i_bcp, double PP, double HP, double dt, double ep)
 	else
 		CP = CP + 9 * Min0R(abs(LimCP - CP), 0.05) * PR(CP, LimCP) * dt; // zbiornik sterujacy

-    dpPipe = Min0R(HP, CP + TP + RedAdj);
+	double uop = UnbrakeOverPressure; //unbrake over pressure in actual state
+	ManualOvrldActive = (UniversalFlag & TUniversalBrake::ub_HighPressure); //button is pressed
+	if (ManualOvrld && !ManualOvrldActive) //no overpressure for not pressed button if it does not exists
+		uop = 0;
+
+	dpPipe = Min0R(HP, CP + TP + RedAdj);

 	if (dpPipe > PP)
 		dpMainValve = -PFVa(HP, PP, ActFlowSpeed / LBDelay, dpPipe, 0.4);
 	else
 		dpMainValve = PFVd(PP, 0, ActFlowSpeed / LBDelay, dpPipe, 0.4);

-	if ((EQ(i_bcp, -1)&&(AutoOvrld))||(ManualOvrld && ManualOvrldActive))
+	if ((EQ(i_bcp, -1) && (AutoOvrld)) || ((i_bcp<0.5) && (UniversalFlag & TUniversalBrake::ub_Overload)))
 	{
 		if ((TP < 1))
 			TP = TP + 0.03  * dt;
@@ -2805,10 +2839,13 @@ double TMHZ_K5P::GetCP()
 	return CP;
 }

-void TMHZ_K5P::SetParams(bool AO, bool MO, double, double)
+void TMHZ_K5P::SetParams(bool AO, bool MO, double OverP, double)
 {
 	AutoOvrld = AO;
 	ManualOvrld = MO;
+	UnbrakeOverPressure = std::max(0.0, OverP);
+	Fala = (OverP > 0.01);
+
 }

 bool TMHZ_K5P::EQ(double pos, double i_pos)
@@ -2836,7 +2873,7 @@ double TMHZ_6P::GetPF(double i_bcp, double PP, double HP, double dt, double ep)

 	i_bcp = Max0R(Min0R(i_bcp, 3.999), -0.999); // na wszelki wypadek, zeby nie wyszlo poza zakres

-	if ((TP > 0))
+	if ((TP > 0)&&(CP>4.9))
 	{
 		DP = 0.004;
 		TP = TP - DP * dt;
@@ -2864,9 +2901,14 @@ double TMHZ_6P::GetPF(double i_bcp, double PP, double HP, double dt, double ep)

 	dpPipe = Min0R(HP, CP + TP + RedAdj);

+	double uop = UnbrakeOverPressure; //unbrake over pressure in actual state
+	ManualOvrldActive = (UniversalFlag & TUniversalBrake::ub_HighPressure); //button is pressed
+	if (ManualOvrld && !ManualOvrldActive) //no overpressure for not pressed button if it does not exists
+		uop = 0;
+
 	if (Fala && EQ(i_bcp, -1))
 	{
-		dpPipe = 5.0 + TP + RedAdj + UnbrakeOverPressure;
+		dpPipe = 5.0 + TP + RedAdj + uop;
 		ActFlowSpeed = 12;
 	}

@@ -2875,7 +2917,7 @@ double TMHZ_6P::GetPF(double i_bcp, double PP, double HP, double dt, double ep)
 	else
 		dpMainValve = PFVd(PP, 0, ActFlowSpeed / LBDelay, dpPipe, 0.4);

-	if ((EQ(i_bcp, -1) && (AutoOvrld)) || (ManualOvrld && ManualOvrldActive))
+	if ((EQ(i_bcp, -1) && (AutoOvrld)) || ((i_bcp<0.5) && (UniversalFlag & TUniversalBrake::ub_Overload)))
 	{
 		if ((TP < 1))
 			TP = TP + 0.03  * dt;
--- a/McZapkie/hamulce.h
+++ b/McZapkie/hamulce.h
@@ -133,6 +133,16 @@ static double const BPT_394[7][2] = { {13 , 10.0} , {5 , 5.0} , {0 , -1} , {5 ,
 static int const i_bcpno = 6;
 // static double const pi = 3.141592653589793; //definicja w mctools

+enum TUniversalBrake // możliwe działania uniwersalnego przycisku hamulca
+{ // kolejne flagi
+	ub_Release = 0x01, // odluźniacz - ZR
+	ub_UnlockPipe = 0x02, // odblok PG / mostkowanie hamulca bezpieczeństwa - POJAZD
+	ub_HighPressure = 0x04, // impuls wysokiego ciśnienia - ZM
+	ub_Overload = 0x08, // przycisk asymilacji / kontrolowanego przeładowania - ZM
+	ub_AntiSlipBrake = 0x10, // przycisk przyhamowania przeciwposlizgowego - ZR
+	ub_Ostatni = 0x80000000 // ostatnia flaga bitowa
+};
+
 //klasa obejmujaca pojedyncze zbiorniki
 class TReservoir {

@@ -183,6 +193,7 @@ class TBrake {
 		double SizeBC = 0.0; //rozmiar^2 CH (w stosunku do 14")
 		bool DCV = false; //podwojny zawor zwrotny
 		double ASBP = 0.0; //cisnienie hamulca pp
+		int UniversalFlag = 0; //flaga wcisnietych przyciskow uniwersalnych

        int BrakeStatus{ b_off }; //flaga stanu
 		int SoundFlag = 0;
@@ -220,6 +231,7 @@ class TBrake {
    int GetBrakeStatus() const { return BrakeStatus; }
    void SetBrakeStatus( int const Status ) { BrakeStatus = Status; }
    virtual void SetED( double const EDstate ) {}; //stan hamulca ED do luzowania
+	virtual void SetUniversalFlag(int flag) { UniversalFlag = flag; } //przycisk uniwersalny
 };

 class TWest : public TBrake {
@@ -520,6 +532,7 @@ class TDriverHandle {
 	  bool AutoOvrld = false; //czy jest asymilacja automatyczna na pozycji -1
 	  bool ManualOvrld = false; //czy jest asymilacja reczna przyciskiem
 	  bool ManualOvrldActive = false; //czy jest wcisniety przycisk asymilacji
+	  int UniversalFlag = 0; //flaga wcisnietych przyciskow uniwersalnych
  public:
 		bool Time = false;
 		bool TimeEP = false;
@@ -534,7 +547,7 @@ class TDriverHandle {
    virtual double GetEP(double pos); //pobranie sily hamulca ep
 	virtual void SetParams(bool AO, bool MO, double, double) {}; //ustawianie jakichs parametrów dla zaworu
 	virtual void OvrldButton(bool Active);  //przycisk recznego przeladowania/asymilacji
-
+	virtual void SetUniversalFlag(int flag); //przycisk uniwersalny
    inline TDriverHandle() { memset( Sounds, 0, sizeof( Sounds ) ); }
 };

@@ -589,6 +602,7 @@ class TMHZ_EN57 : public TDriverHandle {
 		double RP = 0.0; //zbiornik redukcyjny
 		double RedAdj = 0.0; //dostosowanie reduktora cisnienia (krecenie kapturkiem)
 		bool Fala = false;
+		double UnbrakeOverPressure = 0.0;
 		static double const pos_table[11]; //= { -2, 10, -1, 0, 0, 2, 9, 10, 0, 0, 0 };

    double LPP_RP(double pos);
@@ -602,7 +616,7 @@ class TMHZ_EN57 : public TDriverHandle {
 		double GetPos(int i)/*override*/;
 		double GetCP()/*override*/;
    double GetEP(double pos);
-
+		void SetParams(bool AO, bool MO, double OverP, double);
 		inline TMHZ_EN57(void) :
 			TDriverHandle()
 		{}
@@ -616,6 +630,7 @@ private:
 	double RP = 0.0; //zbiornik redukcyjny
 	double RedAdj = 0.0; //dostosowanie reduktora cisnienia (krecenie kapturkiem)
 	bool Fala = false; //czy jest napelnianie uderzeniowe
+	double UnbrakeOverPressure = 0.0;
 	static double const pos_table[11]; //= { -2, 10, -1, 0, 0, 2, 9, 10, 0, 0, 0 };

 	bool EQ(double pos, double i_pos);
--- a/Train.cpp
+++ b/Train.cpp
@@ -180,6 +180,9 @@ TTrain::commandhandler_map const TTrain::m_commandhandlers = {
    { user_command::independentbrakedecreasefast, &TTrain::OnCommand_independentbrakedecreasefast },
    { user_command::independentbrakeset, &TTrain::OnCommand_independentbrakeset },
    { user_command::independentbrakebailoff, &TTrain::OnCommand_independentbrakebailoff },
+	{ user_command::universalbrakebutton1, &TTrain::OnCommand_universalbrakebutton1 },
+	{ user_command::universalbrakebutton2, &TTrain::OnCommand_universalbrakebutton2 },
+	{ user_command::universalbrakebutton3, &TTrain::OnCommand_universalbrakebutton3 },
    { user_command::trainbrakeincrease, &TTrain::OnCommand_trainbrakeincrease },
    { user_command::trainbrakedecrease, &TTrain::OnCommand_trainbrakedecrease },
    { user_command::trainbrakeset, &TTrain::OnCommand_trainbrakeset },
@@ -262,6 +265,9 @@ TTrain::commandhandler_map const TTrain::m_commandhandlers = {
    { user_command::compressorenable, &TTrain::OnCommand_compressorenable },
    { user_command::compressordisable, &TTrain::OnCommand_compressordisable },
    { user_command::compressortogglelocal, &TTrain::OnCommand_compressortogglelocal },
+	{ user_command::compressorpresetactivatenext, &TTrain::OnCommand_compressorpresetactivatenext },
+	{ user_command::compressorpresetactivateprevious, &TTrain::OnCommand_compressorpresetactivateprevious },
+	{ user_command::compressorpresetactivatedefault, &TTrain::OnCommand_compressorpresetactivatedefault },
    { user_command::motorblowerstogglefront, &TTrain::OnCommand_motorblowerstogglefront },
    { user_command::motorblowerstogglerear, &TTrain::OnCommand_motorblowerstogglerear },
    { user_command::motorblowersdisableall, &TTrain::OnCommand_motorblowersdisableall },
@@ -353,11 +359,17 @@ TTrain::commandhandler_map const TTrain::m_commandhandlers = {
    { user_command::generictoggle7, &TTrain::OnCommand_generictoggle },
    { user_command::generictoggle8, &TTrain::OnCommand_generictoggle },
    { user_command::generictoggle9, &TTrain::OnCommand_generictoggle },
-
    { user_command::vehiclemove, &TTrain::OnCommand_vehiclemove },
    { user_command::vehiclemoveforwards, &TTrain::OnCommand_vehiclemoveforwards },
    { user_command::vehiclemovebackwards, &TTrain::OnCommand_vehiclemovebackwards },
    { user_command::vehicleboost, &TTrain::OnCommand_vehicleboost },
+	{ user_command::springbraketoggle, &TTrain::OnCommand_springbraketoggle },
+	{ user_command::springbrakeenable, &TTrain::OnCommand_springbrakeenable },
+	{ user_command::springbrakedisable, &TTrain::OnCommand_springbrakedisable },
+	{ user_command::springbrakeshutofftoggle, &TTrain::OnCommand_springbrakeshutofftoggle },
+	{ user_command::springbrakeshutoffenable, &TTrain::OnCommand_springbrakeshutoffenable },
+	{ user_command::springbrakeshutoffdisable, &TTrain::OnCommand_springbrakeshutoffdisable },
+	{ user_command::springbrakerelease, &TTrain::OnCommand_springbrakerelease }
 };

 std::vector<std::string> const TTrain::fPress_labels = {
@@ -402,9 +414,12 @@ TTrain::TTrain() {
 			fDieselParams[i][j] = 0.0;
 		}

-    for( int i = 0; i < 20; ++i )
-        for( int j = 0; j < 3; ++j )
-            fPress[ i ][ j ] = 0.0;
+	for ( int i = 0; i < 20; ++i )
+	{
+		for ( int j = 0; j < 3; ++j )
+			fPress[i][j] = 0.0;
+		bBrakes[i][0] = bBrakes[i][1] = 0.0;
+	}
 }

 TTrain::~TTrain()
@@ -464,6 +479,8 @@ dictionary_source *TTrain::GetTrainState() {
    dict->insert( "converter", mvControlled->ConverterFlag );
    dict->insert( "converter_overload", mvControlled->ConvOvldFlag );
    dict->insert( "compress", mvControlled->CompressorFlag );
+    dict->insert( "lights_front", mvOccupied->iLights[ end::front ] );
+    dict->insert( "lights_rear", mvOccupied->iLights[ end::rear ] );
    // reverser
    dict->insert( "direction", mover->ActiveDir );
    // throttle
@@ -511,6 +528,7 @@ dictionary_source *TTrain::GetTrainState() {
    char const *TXTC[ 10 ] = { "fr", "frt", "frb", "pr", "prt", "prb", "im", "vm", "ihv", "uhv" };
 	char const *TXTD[ 10 ] = { "enrot", "nrot", "fill_des", "fill_real", "clutch_des", "clutch_real", "water_temp", "oil_press", "engine_temp", "res1" };
    char const *TXTP[ 3 ] = { "bc", "bp", "sp" };
+	char const *TXTB[ 2 ] = { "spring_active", "spring_shutoff" };
    for( int j = 0; j < 10; ++j )
        dict->insert( ( "eimp_t_" + std::string( TXTT[ j ] ) ), fEIMParams[ 0 ][ j ] );
    for( int i = 0; i < 8; ++i ) {
@@ -536,6 +554,9 @@ dictionary_source *TTrain::GetTrainState() {
        for( int j = 0; j < 3; ++j ) {
            dict->insert( ( "eimp_pn" + std::to_string( i + 1 ) + "_" + TXTP[ j ] ), fPress[ i ][ j ] );
        }
+		for ( int j = 0; j < 2; ++j)  {
+			dict->insert( ( "brakes_" + std::to_string( i + 1 ) + "_" + TXTB[ j ] ), bBrakes[ i ][ j ] );
+		}
    }
    // multi-unit state data
    dict->insert( "car_no", iCarNo );
@@ -1156,6 +1177,60 @@ void TTrain::OnCommand_independentbrakebailoff( TTrain *Train, command_data cons
    }
 }

+void TTrain::OnCommand_universalbrakebutton1(TTrain *Train, command_data const &Command) {
+
+			if (Command.action == GLFW_PRESS) {
+				// press or hold
+				// visual feedback
+				Train->ggUniveralBrakeButton1.UpdateValue(1.0, Train->dsbSwitch);
+
+				Train->mvOccupied->UniversalBrakeButton(0,1);
+			}
+			else if (Command.action == GLFW_RELEASE) {
+				// release
+				// visual feedback
+				Train->ggUniveralBrakeButton1.UpdateValue(0.0, Train->dsbSwitch);
+
+				Train->mvOccupied->UniversalBrakeButton(0,0);
+			}
+}
+
+void TTrain::OnCommand_universalbrakebutton2(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// press or hold
+		// visual feedback
+		Train->ggUniveralBrakeButton2.UpdateValue(1.0, Train->dsbSwitch);
+
+		Train->mvOccupied->UniversalBrakeButton(1, 1);
+	}
+	else if (Command.action == GLFW_RELEASE) {
+		// release
+		// visual feedback
+		Train->ggUniveralBrakeButton2.UpdateValue(0.0, Train->dsbSwitch);
+
+		Train->mvOccupied->UniversalBrakeButton(1, 0);
+	}
+}
+
+void TTrain::OnCommand_universalbrakebutton3(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// press or hold
+		// visual feedback
+		Train->ggUniveralBrakeButton3.UpdateValue(1.0, Train->dsbSwitch);
+
+		Train->mvOccupied->UniversalBrakeButton(2, 1);
+	}
+	else if (Command.action == GLFW_RELEASE) {
+		// release
+		// visual feedback
+		Train->ggUniveralBrakeButton3.UpdateValue(0.0, Train->dsbSwitch);
+
+		Train->mvOccupied->UniversalBrakeButton(2, 0);
+	}
+}
+
 void TTrain::OnCommand_trainbrakeincrease( TTrain *Train, command_data const &Command ) {
 	if (Command.action == GLFW_REPEAT && Train->mvOccupied->BrakeHandle == TBrakeHandle::FV4a)
 		Train->mvOccupied->BrakeLevelAdd( Global.brake_speed * Command.time_delta * Train->mvOccupied->BrakeCtrlPosNo );
@@ -1420,16 +1495,47 @@ void TTrain::OnCommand_sandboxactivate( TTrain *Train, command_data const &Comma
        // visual feedback
        Train->ggSandButton.UpdateValue( 1.0, Train->dsbSwitch );

-        Train->mvControlled->Sandbox( true );
+        Train->mvControlled->SandboxManual( true );
    }
    else if( Command.action == GLFW_RELEASE) {
        // visual feedback
        Train->ggSandButton.UpdateValue( 0.0 );

-        Train->mvControlled->Sandbox( false );
+        Train->mvControlled->SandboxManual( false );
    }
 }

+void TTrain::OnCommand_autosandboxtoggle(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		if (false == Train->mvOccupied->SandDoseAutoAllow) {
+			// turn on
+			OnCommand_autosandboxactivate(Train, Command);
+		}
+		else {
+			//turn off
+			OnCommand_autosandboxdeactivate(Train, Command);
+		}
+	}
+};
+
+void TTrain::OnCommand_autosandboxactivate(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SandboxAutoAllow(true);
+		Train->ggAutoSandAllow.UpdateValue(1.0, Train->dsbSwitch);
+	}
+};
+
+void TTrain::OnCommand_autosandboxdeactivate(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SandboxAutoAllow(false);
+		Train->ggAutoSandAllow.UpdateValue(0.0, Train->dsbSwitch);
+	}
+};
+
 void TTrain::OnCommand_epbrakecontroltoggle( TTrain *Train, command_data const &Command ) {

    if( Command.action == GLFW_PRESS ) {
@@ -2917,6 +3023,77 @@ void TTrain::OnCommand_compressortogglelocal( TTrain *Train, command_data const
    }
 }

+void TTrain::OnCommand_compressorpresetactivatenext(TTrain *Train, command_data const &Command) {
+
+	if (Train->mvOccupied->CompressorListPosNo == 0) {
+		// lights are controlled by preset selector
+		return;
+	}
+	if (Command.action != GLFW_PRESS) {
+		// one change per key press
+		return;
+	}
+
+	if ((Train->mvOccupied->CompressorListPos < Train->mvOccupied->CompressorListPosNo)
+		|| (true == Train->mvOccupied->CompressorListWrap)) {
+		// active light preset is stored as value in range 1-LigthPosNo
+		Train->mvOccupied->CompressorListPos = (
+			Train->mvOccupied->CompressorListPos < Train->mvOccupied->CompressorListPosNo ?
+			Train->mvOccupied->CompressorListPos + 1 :
+			1); // wrap mode
+
+		// visual feedback
+		if (Train->ggCompressorListButton.SubModel != nullptr) {
+			Train->ggCompressorListButton.UpdateValue(Train->mvOccupied->CompressorListPos - 1, Train->dsbSwitch);
+		}
+	}
+}
+
+void TTrain::OnCommand_compressorpresetactivateprevious(TTrain *Train, command_data const &Command) {
+
+	if (Train->mvOccupied->CompressorListPosNo == 0) {
+		// lights are controlled by preset selector
+		return;
+	}
+	if (Command.action != GLFW_PRESS) {
+		// one change per key press
+		return;
+	}
+
+	if ((Train->mvOccupied->CompressorListPos > 1)
+		|| (true == Train->mvOccupied->CompressorListWrap)) {
+		// active light preset is stored as value in range 1-LigthPosNo
+		Train->mvOccupied->CompressorListPos = (
+			Train->mvOccupied->CompressorListPos > 1 ?
+			Train->mvOccupied->CompressorListPos - 1 :
+			Train->mvOccupied->CompressorListPosNo); // wrap mode
+
+		// visual feedback
+		if (Train->ggCompressorListButton.SubModel != nullptr) {
+			Train->ggCompressorListButton.UpdateValue(Train->mvOccupied->CompressorListPos - 1, Train->dsbSwitch);
+		}
+	}
+}
+
+void TTrain::OnCommand_compressorpresetactivatedefault(TTrain *Train, command_data const &Command) {
+
+	if (Train->mvOccupied->CompressorListPosNo == 0) {
+		// lights are controlled by preset selector
+		return;
+	}
+	if (Command.action != GLFW_PRESS) {
+		// one change per key press
+		return;
+	}
+
+	Train->mvOccupied->CompressorListPos = Train->mvOccupied->CompressorListDefPos;
+
+													 // visual feedback
+	if (Train->ggCompressorListButton.SubModel != nullptr) {
+			Train->ggCompressorListButton.UpdateValue(Train->mvOccupied->CompressorListPos - 1, Train->dsbSwitch);
+	}
+}
+
 void TTrain::OnCommand_motorblowerstogglefront( TTrain *Train, command_data const &Command ) {

    if( Command.action == GLFW_REPEAT ) { return; }
@@ -4230,6 +4407,97 @@ void TTrain::OnCommand_generictoggle( TTrain *Train, command_data const &Command
    }
 }

+void TTrain::OnCommand_springbraketoggle(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		if (false == Train->mvOccupied->SpringBrake.Activate) {
+			// turn on
+			OnCommand_springbrakeenable(Train, Command);
+		}
+		else {
+			//turn off
+			OnCommand_springbrakedisable(Train, Command);
+		}
+	}
+	else if (Command.action == GLFW_RELEASE) {
+		// release
+		// visual feedback
+		Train->ggSpringBrakeOffButton.UpdateValue(0.0, Train->dsbSwitch);
+		Train->ggSpringBrakeOnButton.UpdateValue(0.0, Train->dsbSwitch);
+	}
+};
+
+void TTrain::OnCommand_springbrakeenable(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SpringBrakeActivate(true);
+		// visual feedback
+		Train->ggSpringBrakeOnButton.UpdateValue(1.0, Train->dsbSwitch);
+		Train->ggSpringBrakeToggleButton.UpdateValue(1.0, Train->dsbSwitch);
+		Train->ggSpringBrakeOffButton.UpdateValue(0.0, Train->dsbSwitch);
+	}
+	else if (Command.action == GLFW_RELEASE) {
+		// release
+		// visual feedback
+		Train->ggSpringBrakeOnButton.UpdateValue(0.0, Train->dsbSwitch);
+	}
+};
+
+void TTrain::OnCommand_springbrakedisable(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SpringBrakeActivate(false);
+		// visual feedback
+		Train->ggSpringBrakeOffButton.UpdateValue(1.0, Train->dsbSwitch);
+		Train->ggSpringBrakeToggleButton.UpdateValue(0.0, Train->dsbSwitch);
+		Train->ggSpringBrakeOnButton.UpdateValue(0.0, Train->dsbSwitch);
+	}
+	else if (Command.action == GLFW_RELEASE) {
+		// release
+		// visual feedback
+		Train->ggSpringBrakeOffButton.UpdateValue(0.0, Train->dsbSwitch);
+	}
+};
+void TTrain::OnCommand_springbrakeshutofftoggle(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		if (false == Train->mvOccupied->SpringBrake.ShuttOff) {
+			// turn on
+			OnCommand_springbrakeshutoffenable(Train, Command);
+		}
+		else {
+			//turn off
+			OnCommand_springbrakeshutoffdisable(Train, Command);
+		}
+	}
+};
+
+void TTrain::OnCommand_springbrakeshutoffenable(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SpringBrakeShutOff(true);
+	}
+};
+
+void TTrain::OnCommand_springbrakeshutoffdisable(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		Train->mvOccupied->SpringBrakeShutOff(false);
+	}
+};
+
+void TTrain::OnCommand_springbrakerelease(TTrain *Train, command_data const &Command) {
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		
+		auto *vehicle{ Train->find_nearest_consist_vehicle(Command.freefly, Command.location) };
+		if (vehicle == nullptr) { return; }
+		Train->mvOccupied->SpringBrakeRelease();
+	}
+};
+
 void TTrain::OnCommand_doorlocktoggle( TTrain *Train, command_data const &Command ) {

    if( Train->ggDoorSignallingButton.SubModel == nullptr ) {
@@ -5089,6 +5357,7 @@ void TTrain::OnCommand_cabchangebackward( TTrain *Train, command_data const &Com
                    1 :
                   -1 ) };
        if( false == Train->CabChange( movedirection ) ) {
+            // current vehicle doesn't extend any farther in this direction, check if we there's one connected we can move to
            auto const exitdirection { (
                movedirection > 0 ?
                    end::front :
@@ -5372,6 +5641,8 @@ bool TTrain::Update( double const Deltatime )
                fPress[i][0] = p->MoverParameters->BrakePress;
                fPress[i][1] = p->MoverParameters->PipePress;
                fPress[i][2] = p->MoverParameters->ScndPipePress;
+				bBrakes[i][0] = p->MoverParameters->SpringBrake.IsActive;
+				bBrakes[i][1] = p->MoverParameters->SpringBrake.ShuttOff;
                bDoors[i][1] = ( p->MoverParameters->Doors.instances[ side::left ].position > 0.f );
                bDoors[i][2] = ( p->MoverParameters->Doors.instances[ side::right ].position > 0.f );
                bDoors[i][3] = ( p->MoverParameters->Doors.instances[ side::left ].step_position > 0.f );
@@ -5455,6 +5726,9 @@ bool TTrain::Update( double const Deltatime )
                = bDoors[i][3]
                = bDoors[i][4]
                = false;
+				bBrakes[i][0]
+				= bBrakes[i][1]
+				= false;
 				bSlip[i] = false;
                iUnits[i] = 0;
                cCode[i] = 0; //'0';
@@ -5704,7 +5978,7 @@ bool TTrain::Update( double const Deltatime )
                }
            }
            // McZapkie-141102: SHP i czuwak, TODO: sygnalizacja kabinowa
-            if( mvOccupied->SecuritySystem.Status > 0 ) {
+            if( mvOccupied->SecuritySystem.Status != s_off ) {
                if( fBlinkTimer >  fCzuwakBlink )
                    fBlinkTimer = -fCzuwakBlink;
                else
@@ -5732,7 +6006,7 @@ bool TTrain::Update( double const Deltatime )
                    false ) );
            btLampkaWylSzybkiOff.Turn(
                ( ( ( mvControlled->MainsInitTimeCountdown > 0.0 )
-                 || ( fHVoltage == 0.0 )
+//                 || ( fHVoltage == 0.0 )
                 || ( m_linebreakerstate == 2 )
                 || ( true == mvControlled->Mains ) ) ?
                    false :
@@ -5862,6 +6136,8 @@ bool TTrain::Update( double const Deltatime )
            btLampkaBrakeProfileG.Turn( TestFlag( mvOccupied->BrakeDelayFlag, bdelay_G ) );
            btLampkaBrakeProfileP.Turn( TestFlag( mvOccupied->BrakeDelayFlag, bdelay_P ) );
            btLampkaBrakeProfileR.Turn( TestFlag( mvOccupied->BrakeDelayFlag, bdelay_R ) );
+			btLampkaSpringBrakeActive.Turn( mvOccupied->SpringBrake.IsActive );
+			btLampkaSpringBrakeInactive.Turn( !mvOccupied->SpringBrake.IsActive );
            // light indicators
            // NOTE: sides are hardcoded to deal with setups where single cab is equipped with all indicators
            btLampkaUpperLight.Turn( ( mvOccupied->iLights[ end::front ] & light::headlight_upper ) != 0 );
@@ -5910,6 +6186,8 @@ bool TTrain::Update( double const Deltatime )
            btLampkaBrakeProfileG.Turn( false );
            btLampkaBrakeProfileP.Turn( false );
            btLampkaBrakeProfileR.Turn( false );
+			btLampkaSpringBrakeActive.Turn( false );
+			btLampkaSpringBrakeInactive.Turn( false );
            btLampkaMaxSila.Turn( false );
            btLampkaPrzekrMaxSila.Turn( false );
            btLampkaRadio.Turn( false );
@@ -5965,7 +6243,10 @@ bool TTrain::Update( double const Deltatime )
                    auto const *mover { tmp->MoverParameters };

                    btLampkaWylSzybkiB.Turn( mover->Mains );
-                    btLampkaWylSzybkiBOff.Turn( ( false == mover->Mains ) && ( mover->MainsInitTimeCountdown <= 0.0 ) && ( fHVoltage != 0.0 ) );
+                    btLampkaWylSzybkiBOff.Turn(
+                        ( false == mover->Mains )
+                     && ( mover->MainsInitTimeCountdown <= 0.0 )
+                   /*&& ( fHVoltage != 0.0 )*/ );

                    btLampkaOporyB.Turn(mover->ResistorsFlagCheck());
                    btLampkaBezoporowaB.Turn(
@@ -6176,6 +6457,7 @@ bool TTrain::Update( double const Deltatime )
        // NBMX dzwignia sprezarki
        ggCompressorButton.Update();
        ggCompressorLocalButton.Update();
+		ggCompressorListButton.Update();

        //---------
        // hunter-080812: poprawka na ogrzewanie w elektrykach - usuniete uzaleznienie od przetwornicy
@@ -6209,6 +6491,12 @@ bool TTrain::Update( double const Deltatime )
        ggMainButton.Update();
        ggSecurityResetButton.Update();
        ggReleaserButton.Update();
+		ggSpringBrakeToggleButton.Update();
+		ggSpringBrakeOnButton.Update();
+		ggSpringBrakeOffButton.Update();
+		ggUniveralBrakeButton1.Update();
+		ggUniveralBrakeButton2.Update();
+		ggUniveralBrakeButton3.Update();
        ggAntiSlipButton.Update();
        ggSandButton.Update();
        ggFuseButton.Update();
@@ -6565,7 +6853,7 @@ TTrain::update_sounds( double const Deltatime ) {
    }

    // McZapkie-141102: SHP i czuwak, TODO: sygnalizacja kabinowa
-    if (mvOccupied->SecuritySystem.Status > 0) {
+    if (mvOccupied->SecuritySystem.Status != s_off ) {
        // hunter-091012: rozdzielenie alarmow
        if( TestFlag( mvOccupied->SecuritySystem.Status, s_CAalarm )
         || TestFlag( mvOccupied->SecuritySystem.Status, s_SHPalarm ) ) {
@@ -7522,6 +7810,12 @@ void TTrain::clear_cab_controls()
    ggMainOnButton.Clear();
    ggSecurityResetButton.Clear();
    ggReleaserButton.Clear();
+	ggSpringBrakeToggleButton.Clear();
+	ggSpringBrakeOnButton.Clear();
+	ggSpringBrakeOffButton.Clear();
+	ggUniveralBrakeButton1.Clear();
+	ggUniveralBrakeButton2.Clear();
+	ggUniveralBrakeButton3.Clear();
    ggSandButton.Clear();
    ggAntiSlipButton.Clear();
    ggHornButton.Clear();
@@ -7651,6 +7945,8 @@ void TTrain::clear_cab_controls()
    btLampkaBrakeProfileG.Clear();
    btLampkaBrakeProfileP.Clear();
    btLampkaBrakeProfileR.Clear();
+	btLampkaSpringBrakeActive.Clear();
+	btLampkaSpringBrakeInactive.Clear();
    btLampkaSprezarka.Clear();
    btLampkaSprezarkaB.Clear();
    btLampkaSprezarkaOff.Clear();
@@ -7803,6 +8099,7 @@ void TTrain::set_cab_controls( int const Cab ) {
        mvControlled->CompressorAllowLocal ?
            1.f :
            0.f );
+	ggCompressorListButton.PutValue(mvOccupied->CompressorListPos - 1);
    // motor overload relay threshold / shunt mode
    ggMaxCurrentCtrl.PutValue(
        ( true == mvControlled->ShuntModeAllow ?
@@ -8058,6 +8355,8 @@ bool TTrain::initialize_button(cParser &Parser, std::string const &Label, int co
        { "i-brakeprofileg:", btLampkaBrakeProfileG },
        { "i-brakeprofilep:", btLampkaBrakeProfileP },
        { "i-brakeprofiler:", btLampkaBrakeProfileR },
+		{ "i-springbrakeactive:", btLampkaSpringBrakeActive },
+		{ "i-springbrakeinactive:", btLampkaSpringBrakeInactive },
        { "i-braking-ezt:", btLampkaHamowanie1zes },
        { "i-braking-ezt2:", btLampkaHamowanie2zes },
        { "i-compressor:", btLampkaSprezarka },
@@ -8106,7 +8405,7 @@ bool TTrain::initialize_button(cParser &Parser, std::string const &Label, int co
        }
    }
    // TODO: move viable dedicated lights to the automatic light array
-    std::unordered_map<std::string, bool *> const autolights = {
+    std::unordered_map<std::string, bool const *> const autolights = {
        { "i-doorpermit_left:",  &mvOccupied->Doors.instances[ ( mvOccupied->ActiveCab == 1 ? side::left : side::right ) ].open_permit },
        { "i-doorpermit_right:", &mvOccupied->Doors.instances[ ( mvOccupied->ActiveCab == 1 ? side::right : side::left ) ].open_permit },
        { "i-doorstep:", &mvOccupied->Doors.step_enabled }
@@ -8179,7 +8478,14 @@ bool TTrain::initialize_gauge(cParser &Parser, std::string const &Label, int con
        { "main_on_bt:", ggMainOnButton },
        { "security_reset_bt:", ggSecurityResetButton },
        { "releaser_bt:", ggReleaserButton },
+		{ "springbraketoggle_bt:", ggSpringBrakeToggleButton },
+		{ "springbrakeon_bt:", ggSpringBrakeOnButton },
+		{ "springbrakeoff_bt:", ggSpringBrakeOffButton },
+		{ "universalbrake1_bt:", ggUniveralBrakeButton1 },
+		{ "universalbrake2_bt:", ggUniveralBrakeButton2 },
+		{ "universalbrake3_bt:", ggUniveralBrakeButton3 },
        { "sand_bt:", ggSandButton },
+		{ "autosandallow_sw:", ggAutoSandAllow },
        { "antislip_bt:", ggAntiSlipButton },
        { "horn_bt:", ggHornButton },
        { "hornlow_bt:", ggHornLowButton },
@@ -8215,6 +8521,7 @@ bool TTrain::initialize_gauge(cParser &Parser, std::string const &Label, int con
        { "rearrightend_sw:",  ggRearRightEndLightButton },
        { "compressor_sw:", ggCompressorButton },
        { "compressorlocal_sw:", ggCompressorLocalButton },
+		{ "compressorlist_sw:", ggCompressorListButton },
        { "converter_sw:", ggConverterButton },
        { "converterlocal_sw:", ggConverterLocalButton },
        { "converteroff_sw:", ggConverterOffButton },
@@ -8413,6 +8720,13 @@ bool TTrain::initialize_gauge(cParser &Parser, std::string const &Label, int con
        gauge.Load(Parser, DynamicObject, 0.1);
        gauge.AssignDouble(&mvControlled->PantPress);
    }
+	else if (Label == "springbrakepress:")
+	{
+		// manometr cylindra hamulca sprężynowego
+		auto &gauge = Cabine[Cabindex].Gauge(-1); // pierwsza wolna gałka
+		gauge.Load(Parser, DynamicObject, 0.1);
+		gauge.AssignDouble(&mvOccupied->SpringBrake.SBP);
+	}
    else if ((Label == "compressor:") || (Label == "compressorb:"))
    {
        // manometr sprezarki/zbiornika glownego
--- a/Train.h
+++ b/Train.h
@@ -183,6 +183,9 @@ class TTrain {
    static void OnCommand_independentbrakedecreasefast( TTrain *Train, command_data const &Command );
    static void OnCommand_independentbrakeset( TTrain *Train, command_data const &Command );
    static void OnCommand_independentbrakebailoff( TTrain *Train, command_data const &Command );
+	static void OnCommand_universalbrakebutton1(TTrain *Train, command_data const &Command);
+	static void OnCommand_universalbrakebutton2(TTrain *Train, command_data const &Command);
+	static void OnCommand_universalbrakebutton3(TTrain *Train, command_data const &Command);
    static void OnCommand_trainbrakeincrease( TTrain *Train, command_data const &Command );
    static void OnCommand_trainbrakedecrease( TTrain *Train, command_data const &Command );
    static void OnCommand_trainbrakeset( TTrain *Train, command_data const &Command );
@@ -202,6 +205,9 @@ class TTrain {
    static void OnCommand_alarmchaintoggle( TTrain *Train, command_data const &Command );
    static void OnCommand_wheelspinbrakeactivate( TTrain *Train, command_data const &Command );
    static void OnCommand_sandboxactivate( TTrain *Train, command_data const &Command );
+	static void OnCommand_autosandboxtoggle(TTrain *Train, command_data const &Command);
+	static void OnCommand_autosandboxactivate(TTrain *Train, command_data const &Command);
+	static void OnCommand_autosandboxdeactivate(TTrain *Train, command_data const &Command);
    static void OnCommand_epbrakecontroltoggle( TTrain *Train, command_data const &Command );
 	static void OnCommand_trainbrakeoperationmodeincrease(TTrain *Train, command_data const &Command);
 	static void OnCommand_trainbrakeoperationmodedecrease(TTrain *Train, command_data const &Command);
@@ -265,6 +271,9 @@ class TTrain {
    static void OnCommand_compressorenable( TTrain *Train, command_data const &Command );
    static void OnCommand_compressordisable( TTrain *Train, command_data const &Command );
    static void OnCommand_compressortogglelocal( TTrain *Train, command_data const &Command );
+	static void OnCommand_compressorpresetactivatenext( TTrain *Train, command_data const &Command );
+	static void OnCommand_compressorpresetactivateprevious( TTrain *Train, command_data const &Command );
+	static void OnCommand_compressorpresetactivatedefault(TTrain *Train, command_data const &Command);
    static void OnCommand_motorblowerstogglefront( TTrain *Train, command_data const &Command );
    static void OnCommand_motorblowersenablefront( TTrain *Train, command_data const &Command );
    static void OnCommand_motorblowersdisablefront( TTrain *Train, command_data const &Command );
@@ -355,6 +364,13 @@ class TTrain {
 	static void OnCommand_vehiclemoveforwards( TTrain *Train, command_data const &Command );
 	static void OnCommand_vehiclemovebackwards( TTrain *Train, command_data const &Command );
 	static void OnCommand_vehicleboost( TTrain *Train, command_data const &Command );
+	static void OnCommand_springbraketoggle(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakeenable(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakedisable(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakeshutofftoggle(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakeshutoffenable(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakeshutoffdisable(TTrain *Train, command_data const &Command);
+	static void OnCommand_springbrakerelease(TTrain *Train, command_data const &Command);


 // members
@@ -411,7 +427,14 @@ public: // reszta może by?publiczna
    TGauge ggMainButton; // EZT
    TGauge ggSecurityResetButton;
    TGauge ggReleaserButton;
+	TGauge ggSpringBrakeToggleButton;
+	TGauge ggSpringBrakeOnButton;
+	TGauge ggSpringBrakeOffButton;
+	TGauge ggUniveralBrakeButton1;
+	TGauge ggUniveralBrakeButton2;
+	TGauge ggUniveralBrakeButton3;
    TGauge ggSandButton; // guzik piasecznicy
+	TGauge ggAutoSandAllow; // przełącznik piasecznicy
    TGauge ggAntiSlipButton;
    TGauge ggFuseButton;
    TGauge ggConverterFuseButton; // hunter-261211: przycisk odblokowania nadmiarowego przetwornic i ogrzewania
@@ -442,6 +465,7 @@ public: // reszta może by?publiczna

    TGauge ggCompressorButton;
    TGauge ggCompressorLocalButton; // controls only compressor of its own unit (et42-specific)
+	TGauge ggCompressorListButton; // controls compressors with various settings
    TGauge ggConverterButton;
    TGauge ggConverterLocalButton; // controls only converter of its own unit (et42-specific)
    TGauge ggConverterOffButton;
@@ -567,6 +591,8 @@ public: // reszta może by?publiczna
    TButton btLampkaBrakeProfileG; // cargo train brake acting speed
    TButton btLampkaBrakeProfileP; // passenger train brake acting speed
    TButton btLampkaBrakeProfileR; // rapid brake acting speed
+	TButton btLampkaSpringBrakeActive;
+	TButton btLampkaSpringBrakeInactive;
    // KURS90
    TButton btLampkaBoczniki;
    TButton btLampkaMaxSila;
@@ -686,6 +712,7 @@ private:

  public:
    float fPress[20][3]; // cisnienia dla wszystkich czlonow
+	float bBrakes[20][2]; // zalaczenie i dzialanie hamulcow
    static std::vector<std::string> const fPress_labels;
    float fEIMParams[9][10]; // parametry dla silnikow asynchronicznych
 	float fDieselParams[9][10]; // parametry dla silnikow asynchronicznych
--- a/TrkFoll.cpp
+++ b/TrkFoll.cpp
@@ -116,7 +116,7 @@ bool TTrackFollower::Move(double fDistance, bool bPrimary)
            if( false == ismoving ) {
                //McZapkie-140602: wyzwalanie zdarzenia gdy pojazd stoi
                if( ( Owner->Mechanik != nullptr )
-                 && ( Owner->Mechanik->Primary() ) ) {
+                 && ( Owner->Mechanik->primary() ) ) {
                    // tylko dla jednego członu
                    pCurrentTrack->QueueEvents( pCurrentTrack->m_events0, Owner );
                }
@@ -127,7 +127,7 @@ bool TTrackFollower::Move(double fDistance, bool bPrimary)
                if( SetFlag( iEventFlag, -1 ) ) {
                    // zawsze zeruje flagę sprawdzenia, jak mechanik dosiądzie, to się nie wykona
                    if( ( Owner->Mechanik != nullptr )
-                     && ( Owner->Mechanik->Primary() ) ) {
+                     && ( Owner->Mechanik->primary() ) ) {
                        // tylko dla jednego członu
                        // McZapkie-280503: wyzwalanie event tylko dla pojazdow z obsada
                        pCurrentTrack->QueueEvents( pCurrentTrack->m_events1, Owner );
@@ -143,7 +143,7 @@ bool TTrackFollower::Move(double fDistance, bool bPrimary)
                if( SetFlag( iEventFlag, -2 ) ) {
                    // zawsze ustawia flagę sprawdzenia, jak mechanik dosiądzie, to się nie wykona
                    if( ( Owner->Mechanik != nullptr )
-                     && ( Owner->Mechanik->Primary() ) ) {
+                     && ( Owner->Mechanik->primary() ) ) {
                        // tylko dla jednego członu
                         pCurrentTrack->QueueEvents( pCurrentTrack->m_events2, Owner );
                    }
@@ -244,7 +244,7 @@ bool TTrackFollower::Move(double fDistance, bool bPrimary)
        { // gdy zostaje na tym samym torze (przesuwanie już nie zmienia toru)
            if (bPrimary)
            { // tylko gdy początkowe ustawienie, dodajemy eventy stania do kolejki
-                if (Owner->MoverParameters->ActiveCab != 0) {
+                if (Owner->MoverParameters->CabNo != 0) {

                    pCurrentTrack->QueueEvents( pCurrentTrack->m_events1, Owner, -1.0 );
                    pCurrentTrack->QueueEvents( pCurrentTrack->m_events2, Owner, -1.0 );
--- a/command.cpp
+++ b/command.cpp
@@ -41,6 +41,9 @@ commanddescription_sequence Commands_descriptions = {
    { "independentbrakedecreasefast", command_target::vehicle, command_mode::oneoff },
    { "independentbrakeset", command_target::vehicle, command_mode::oneoff },
    { "independentbrakebailoff", command_target::vehicle, command_mode::oneoff },
+    { "universalbrakebutton1", command_target::vehicle, command_mode::oneoff },
+    { "universalbrakebutton2", command_target::vehicle, command_mode::oneoff },
+    { "universalbrakebutton3", command_target::vehicle, command_mode::oneoff },
    { "trainbrakeincrease", command_target::vehicle, command_mode::continuous },
    { "trainbrakedecrease", command_target::vehicle, command_mode::continuous },
    { "trainbrakeset", command_target::vehicle, command_mode::oneoff },
@@ -60,6 +63,9 @@ commanddescription_sequence Commands_descriptions = {
    { "alarmchaintoggle", command_target::vehicle, command_mode::oneoff },
    { "wheelspinbrakeactivate", command_target::vehicle, command_mode::oneoff },
    { "sandboxactivate", command_target::vehicle, command_mode::oneoff },
+    { "autosandboxtoggle", command_target::vehicle, command_mode::oneoff },
+    { "autosandboxactivate", command_target::vehicle, command_mode::oneoff },
+    { "autosandboxdeactivate", command_target::vehicle, command_mode::oneoff },
    { "reverserincrease", command_target::vehicle, command_mode::oneoff },
    { "reverserdecrease", command_target::vehicle, command_mode::oneoff },
    { "reverserforwardhigh", command_target::vehicle, command_mode::oneoff },
@@ -99,6 +105,9 @@ commanddescription_sequence Commands_descriptions = {
    { "compressorenable", command_target::vehicle, command_mode::oneoff },
    { "compressordisable", command_target::vehicle, command_mode::oneoff },
    { "compressortogglelocal", command_target::vehicle, command_mode::oneoff },
+    { "compressorpresetactivatenext", command_target::vehicle, command_mode::oneoff },
+    { "compressorpresetactivateprevious", command_target::vehicle, command_mode::oneoff },
+    { "compressorpresetactivatedefault", command_target::vehicle, command_mode::oneoff },
    { "motoroverloadrelaythresholdtoggle", command_target::vehicle, command_mode::oneoff },
    { "motoroverloadrelaythresholdsetlow", command_target::vehicle, command_mode::oneoff },
    { "motoroverloadrelaythresholdsethigh", command_target::vehicle, command_mode::oneoff },
@@ -230,6 +239,13 @@ commanddescription_sequence Commands_descriptions = {
    { "motorblowersdisableall", command_target::vehicle, command_mode::oneoff },
    { "coolingfanstoggle", command_target::vehicle, command_mode::oneoff },
    { "tempomattoggle", command_target::vehicle, command_mode::oneoff },
+    { "springbraketoggle", command_target::vehicle, command_mode::oneoff },
+    { "springbrakeenable", command_target::vehicle, command_mode::oneoff },
+    { "springbrakedisable", command_target::vehicle, command_mode::oneoff },
+    { "springbrakeshutofftoggle", command_target::vehicle, command_mode::oneoff },
+    { "springbrakeshutoffenable", command_target::vehicle, command_mode::oneoff },
+    { "springbrakeshutoffdisable", command_target::vehicle, command_mode::oneoff },
+    { "springbrakerelease", command_target::vehicle, command_mode::oneoff },
    { "timejump", command_target::simulation, command_mode::oneoff },
    { "timejumplarge", command_target::simulation, command_mode::oneoff },
    { "timejumpsmall", command_target::simulation, command_mode::oneoff },
--- a/command.h
+++ b/command.h
@@ -35,6 +35,9 @@ enum class user_command {
    independentbrakedecreasefast,
    independentbrakeset,
    independentbrakebailoff,
+	universalbrakebutton1,
+	universalbrakebutton2,
+	universalbrakebutton3,
    trainbrakeincrease,
    trainbrakedecrease,
    trainbrakeset,
@@ -54,6 +57,9 @@ enum class user_command {
    alarmchaintoggle,
    wheelspinbrakeactivate,
    sandboxactivate,
+	autosandboxtoggle,
+	autosandboxactivate,
+	autosandboxdeactivate,
    reverserincrease,
    reverserdecrease,
    reverserforwardhigh,
@@ -93,6 +99,9 @@ enum class user_command {
    compressorenable,
    compressordisable,
    compressortogglelocal,
+	compressorpresetactivatenext,
+	compressorpresetactivateprevious,
+	compressorpresetactivatedefault,
    motoroverloadrelaythresholdtoggle,
    motoroverloadrelaythresholdsetlow,
    motoroverloadrelaythresholdsethigh,
@@ -223,6 +232,13 @@ enum class user_command {
    motorblowersdisableall,
    coolingfanstoggle,
    tempomattoggle,
+	springbraketoggle,
+	springbrakeenable,
+	springbrakedisable,
+	springbrakeshutofftoggle,
+	springbrakeshutoffenable,
+	springbrakeshutoffdisable,
+	springbrakerelease,

 	timejump,
 	timejumplarge,
--- a/driverkeyboardinput.cpp
+++ b/driverkeyboardinput.cpp
@@ -231,7 +231,13 @@ driverkeyboard_input::default_bindings() {
 	    { user_command::motorblowersdisableall, GLFW_KEY_M | keymodifier::control },
        // coolingfanstoggle
        // tempomattoggle
-
+        // springbraketoggle
+        // springbrakeenable
+        // springbrakedisable
+        // springbrakeshutofftoggle
+        // springbrakeshutoffenable
+        // springbrakeshutoffdisable
+        // springbrakerelease
 	    // admin_timejump,
 	    { user_command::timejumplarge, GLFW_KEY_F1 | keymodifier::control },
 	    { user_command::timejumpsmall, GLFW_KEY_F1 | keymodifier::shift },
--- a/drivermouseinput.cpp
+++ b/drivermouseinput.cpp
@@ -578,6 +578,24 @@ drivermouse_input::default_bindings() {
        { "releaser_bt:", {
            user_command::independentbrakebailoff,
            user_command::none } },
+		{ "springbraketoggle_bt:",{
+			user_command::springbraketoggle,
+			user_command::none } },
+		{ "springbrakeon_bt:",{
+			user_command::springbrakeenable,
+			user_command::none } },
+		{ "springbrakeoff_bt:",{
+			user_command::springbrakedisable,
+			user_command::none } },
+		{ "universalbrake1_bt:",{
+			user_command::universalbrakebutton1,
+			user_command::none } },
+		{ "universalbrake2_bt:",{
+			user_command::universalbrakebutton2,
+			user_command::none } },
+		{ "universalbrake3_bt:",{
+			user_command::universalbrakebutton3,
+			user_command::none } },
        { "sand_bt:", {
            user_command::sandboxactivate,
            user_command::none } },
@@ -689,6 +707,9 @@ drivermouse_input::default_bindings() {
        { "compressorlocal_sw:", {
            user_command::compressortogglelocal,
            user_command::none } },
+		{ "compressorlist_sw:", {
+			user_command::compressorpresetactivatenext,
+			user_command::compressorpresetactivateprevious } },
        { "converter_sw:", {
            user_command::convertertoggle,
            user_command::none } },
--- a/driveruipanels.cpp
+++ b/driveruipanels.cpp
@@ -164,7 +164,7 @@ scenario_panel::update() {
 	    std::get<TDynamicObject *>( simulation::Region->find_vehicle( camera.Pos, 20, false, false ) ) ); // w trybie latania lokalizujemy wg mapy
 	if( m_nearest == nullptr ) { return; }
 	auto const *owner { (
-		( ( m_nearest->Mechanik != nullptr ) && ( m_nearest->Mechanik->Primary() ) ) ?
+		( ( m_nearest->Mechanik != nullptr ) && ( m_nearest->Mechanik->primary() ) ) ?
 		    m_nearest->Mechanik :
 		    m_nearest->ctOwner ) };
 	if( owner == nullptr ) { return; }
@@ -202,7 +202,7 @@ scenario_panel::render() {
 	if( true == ImGui::Begin( panelname.c_str(), &is_open, flags ) ) {
 		// potential assignment section
 		auto const *owner { (
-			( ( m_nearest->Mechanik != nullptr ) && ( m_nearest->Mechanik->Primary() ) ) ?
+			( ( m_nearest->Mechanik != nullptr ) && ( m_nearest->Mechanik->primary() ) ) ?
 			    m_nearest->Mechanik :
 			    m_nearest->ctOwner ) };
 		if( owner != nullptr ) {
@@ -255,7 +255,7 @@ timetable_panel::update() {
 	if( vehicle == nullptr ) { return; }
 	// if the nearest located vehicle doesn't have a direct driver, try to query its owner
 	auto const *owner = (
-	    ( ( vehicle->Mechanik != nullptr ) && ( vehicle->Mechanik->Primary() ) ) ?
+	    ( ( vehicle->Mechanik != nullptr ) && ( vehicle->Mechanik->primary() ) ) ?
 	        vehicle->Mechanik :
 	        vehicle->ctOwner );
 	if( owner == nullptr ) { return; }
@@ -549,7 +549,7 @@ debug_panel::update_section_vehicle( std::vector<text_line> &Output ) {
 	auto const &vehicle { *m_input.vehicle };
 	auto const &mover { *m_input.mover };

-	auto const isowned { ( vehicle.Mechanik == nullptr ) && ( vehicle.ctOwner != nullptr ) };
+	auto const isowned { ( vehicle.ctOwner != nullptr ) && ( vehicle.ctOwner->Vehicle() != m_input.vehicle ) };
 	auto const isplayervehicle { ( m_input.train != nullptr ) && ( m_input.train->Dynamic() == m_input.vehicle ) };
 	auto const isdieselenginepowered { ( mover.EngineType == TEngineType::DieselElectric ) || ( mover.EngineType == TEngineType::DieselEngine ) };
 	auto const isdieselinshuntmode { mover.ShuntMode && mover.EngineType == TEngineType::DieselElectric };
--- a/messaging.cpp
+++ b/messaging.cpp
@@ -370,7 +370,7 @@ WyslijObsadzone()
            r.fPar[ 16 * i + 4 ] = vehicle->GetPosition().x;
            r.fPar[ 16 * i + 5 ] = vehicle->GetPosition().y;
            r.fPar[ 16 * i + 6 ] = vehicle->GetPosition().z;
-            r.iPar[ 16 * i + 7 ] = static_cast<int>( vehicle->Mechanik->GetAction() );
+            r.iPar[ 16 * i + 7 ] = static_cast<int>( vehicle->Mechanik->action() );
            strcpy( r.cString + 64 * i + 32, vehicle->GetTrack()->IsolatedName().c_str() );
            strcpy( r.cString + 64 * i + 48, vehicle->Mechanik->TrainName().c_str() );
            i++;
--- a/simulationstateserializer.cpp
+++ b/simulationstateserializer.cpp
@@ -675,7 +675,7 @@ state_serializer::deserialize_endtrainset( cParser &Input, scene::scratch_data &
    for( auto *vehicle : Scratchpad.trainset.vehicles ) {
        // go through list of vehicles in the trainset, coupling them together and checking for potential driver
        if( ( vehicle->Mechanik != nullptr )
-         && ( vehicle->Mechanik->Primary() ) ) {
+         && ( vehicle->Mechanik->primary() ) ) {
            // primary driver will receive the timetable for this trainset
            Scratchpad.trainset.driver = vehicle;
            // they'll also receive assignment data if there's any
--- a/version.h
+++ b/version.h
@@ -1 +1 @@
-#define VERSION_INFO "M7 (gfx-work) 12.09.2019"
+#define VERSION_INFO "M7 (gfx-work) 15.09.2019"
--- a/windows.cpp
+++ b/windows.cpp
@@ -5,6 +5,12 @@
 #pragma warning (disable: 4091)
 #include <dbghelp.h>

+extern "C"
+{
+__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+__declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 0x00000001;
+}
+
 LONG CALLBACK unhandled_handler(::EXCEPTION_POINTERS* e)
 {
 	auto hDbgHelp = ::LoadLibraryA("dbghelp");