continued refactoring: lines, terrain models; render culling optimizations and fixes

AnimModel.cpp

@@ -232,9 +232,14 @@ void TAnimContainer::UpdateModel() {
                 fTranslateSpeed = 0.0; // wyłączenie przeliczania wektora
                 if (LengthSquared3(vTranslation) <= 0.0001) // jeśli jest w punkcie początkowym
                     iAnim &= ~2; // wyłączyć zmianę pozycji submodelu
-                if (evDone)
+                if( evDone ) {
-                    Global::AddToQuery(evDone, NULL); // wykonanie eventu informującego o
+                    // wykonanie eventu informującego o zakończeniu
-                // zakończeniu
+#ifdef EU07_USE_OLD_GROUNDCODE
+                    Global::AddToQuery( evDone, NULL );
+#else
+                    simulation::Events.AddToQuery( evDone, nullptr );
+#endif
+                }
             }
         }
         if (fRotateSpeed != 0.0)
@@ -299,9 +304,14 @@ void TAnimContainer::UpdateModel() {
             if (!anim)
             { // nie potrzeba przeliczać już
                 fRotateSpeed = 0.0;
-                if (evDone)
+                if( evDone ) {
-                    Global::AddToQuery(evDone, NULL); // wykonanie eventu informującego o
+                    // wykonanie eventu informującego o zakończeniu
-                // zakończeniu
+#ifdef EU07_USE_OLD_GROUNDCODE
+                    Global::AddToQuery( evDone, NULL );
+#else
+                    simulation::Events.AddToQuery( evDone, nullptr );
+#endif
+                }
             }
         }
         if( fAngleSpeed != 0.f ) {
@@ -330,7 +340,11 @@ void TAnimContainer::PrepareModel()
                     fAngleSpeed = 0.0; // wyłączenie przeliczania wektora
                     if( evDone ) {
                         // wykonanie eventu informującego o zakończeniu
+#ifdef EU07_USE_OLD_GROUNDCODE
                         Global::AddToQuery( evDone, NULL );
+#else
+                        simulation::Events.AddToQuery( evDone, nullptr );
+#endif
                     }
                 }
                 else

AnimModel.h

@@ -149,6 +149,10 @@ public:
     material_data const *
         Material() const {
             return &m_materialdata; }
+    inline
+    TModel3d *
+        Model() {
+            return pModel; }
 // members
     static TAnimContainer *acAnimList; // lista animacji z eventem, które muszą być przeliczane również bez wyświetlania
 

Camera.cpp

@@ -18,9 +18,6 @@ http://mozilla.org/MPL/2.0/.
 
 //---------------------------------------------------------------------------
 
-// TViewPyramid TCamera::OrgViewPyramid;
-//={vector3(-1,1,1),vector3(1,1,1),vector3(-1,-1,1),vector3(1,-1,1),vector3(0,0,0)};
-
 void TCamera::Init(vector3 NPos, vector3 NAngle)
 {
 
@@ -37,8 +34,8 @@ void TCamera::Init(vector3 NPos, vector3 NAngle)
 void TCamera::OnCursorMove(double x, double y)
 {
     // McZapkie-170402: zeby mysz dzialala zawsze    if (Type==tp_Follow)
-    Pitch += y;
+    Yaw -= x;
-    Yaw += -x;
+    Pitch -= y;
     if (Yaw > M_PI)
         Yaw -= 2 * M_PI;
     else if (Yaw < -M_PI)
@@ -62,7 +59,7 @@ TCamera::OnCommand( command_data const &Command ) {
 
             OnCursorMove(
                 reinterpret_cast<double const &>( Command.param1 ) *  0.005 * Global::fMouseXScale / Global::ZoomFactor,
-                reinterpret_cast<double const &>( Command.param2 ) * -0.01  * Global::fMouseYScale / Global::ZoomFactor );
+                reinterpret_cast<double const &>( Command.param2 ) *  0.01  * Global::fMouseYScale / Global::ZoomFactor );
             break;
         }
 

DynObj.cpp

@@ -5501,3 +5501,18 @@ vehicle_table::update_traction( TDynamicObject *Vehicle ) {
         }
     }
 }
+
+// legacy method, sends list of vehicles over network
+void
+vehicle_table::DynamicList( bool const Onlycontrolled ) const {
+    // odesłanie nazw pojazdów dostępnych na scenerii (nazwy, szczególnie wagonów, mogą się powtarzać!)
+    for( auto const *vehicle : m_items ) {
+        if( ( false == Onlycontrolled )
+         || ( vehicle->Mechanik != nullptr ) ) {
+            // same nazwy pojazdów
+            multiplayer::WyslijString( vehicle->asName, 6 );
+        }
+    }
+    // informacja o końcu listy
+    multiplayer::WyslijString( "none", 6 );
+}

DynObj.h

@@ -495,6 +495,9 @@ public:
     // legacy method, checks for presence and height of traction wire for specified vehicle
     void
         update_traction( TDynamicObject *Vehicle );
+    // legacy method, sends list of vehicles over network
+    void
+        DynamicList( bool const Onlycontrolled = false ) const;
 };
 
 //---------------------------------------------------------------------------

Event.cpp

@@ -46,8 +46,7 @@ TEvent::~TEvent() {
     switch (Type)
     { // sprzątanie
     case tp_Multiple:
-        // SafeDeleteArray(Params[9].asText); //nie usuwać - nazwa obiektu powiązanego zamieniana na
+        // SafeDeleteArray(Params[9].asText); //nie usuwać - nazwa obiektu powiązanego zamieniana na wskaźnik
-        // wskaźnik
         if (iFlags & conditional_memstring) // o ile jest łańcuch do porównania w memcompare
             SafeDeleteArray(Params[10].asText);
         break;
@@ -82,8 +81,7 @@ void TEvent::Conditions(cParser *parser, std::string s)
         if (!asNodeName.empty())
         { // podczepienie łańcucha, jeśli nie jest pusty
 			// BUG: source of a memory leak -- the array never gets deleted. fix the destructor
-            Params[9].asText = new char[asNodeName.size() + 1]; // usuwane i zamieniane na
+            Params[9].asText = new char[asNodeName.size() + 1]; // usuwane i zamieniane na wskaźnik
-            // wskaźnik
             strcpy(Params[9].asText, asNodeName.c_str());
         }
         parser->getTokens();
@@ -860,17 +858,17 @@ event_manager::AddToQuery( TEvent *Event, TDynamicObject *Owner ) {
                         }
                         //if (DebugModeFlag)
                         WriteLog(
-                            "EVENT EXECUTED" + ( Owner ? ( " by " + Owner->asName ) : "" ) + ": AddValues & Track command ( "
+                            "EVENT EXECUTED" + ( Owner ? ( " by " + Owner->asName ) : "" ) + ": AddValues & Track command - ["
-                            + std::string( Event->Params[ 0 ].asText ) + " "
+                            + std::string{ Event->Params[ 0 ].asText } + "] ["
-                            + std::to_string( Event->Params[ 1 ].asdouble ) + " "
+                            + to_string( Event->Params[ 1 ].asdouble, 2 ) + "] ["
-                            + std::to_string( Event->Params[ 2 ].asdouble ) + " )" );
+                            + to_string( Event->Params[ 2 ].asdouble, 2 ) + " ]" );
                     }
                     //else if (DebugModeFlag)
                     WriteLog(
-                        "EVENT EXECUTED" + ( Owner ? ( " by " + Owner->asName ) : "" ) + ": AddValues ( "
+                        "EVENT EXECUTED" + ( Owner ? ( " by " + Owner->asName ) : "" ) + ": AddValues - ["
-                        + std::string( Event->Params[ 0 ].asText ) + " "
+                        + std::string( Event->Params[ 0 ].asText ) + "] ["
-                        + std::to_string( Event->Params[ 1 ].asdouble ) + " "
+                        + to_string( Event->Params[ 1 ].asdouble, 2 ) + "] ["
-                        + std::to_string( Event->Params[ 2 ].asdouble ) + " )" );
+                        + to_string( Event->Params[ 2 ].asdouble, 2 ) + "]" );
                 }
                 // jeśli jest kolejny o takiej samej nazwie, to idzie do kolejki (and if there's no joint event it'll be set to null and processing will end here)
                 do {
@@ -975,13 +973,11 @@ event_manager::CheckQuery() {
                 break;
             case tp_GetValues: {
                 if( m_workevent->Activator ) {
-/*
                     // TODO: re-enable when messaging module is in place
                     if( Global::iMultiplayer ) {
                         // potwierdzenie wykonania dla serwera (odczyt semafora już tak nie działa)
-                        WyslijEvent( tmpEvent->asName, tmpEvent->Activator->name() );
+                        multiplayer::WyslijEvent( m_workevent->asName, m_workevent->Activator->name() );
                     }
-*/
                     m_workevent->Params[ 9 ].asMemCell->PutCommand(
                         m_workevent->Activator->Mechanik,
 #ifdef EU07_USE_OLD_GROUNDCODE
@@ -1124,13 +1120,10 @@ event_manager::CheckQuery() {
                         m_workevent->Params[ 1 ].asdouble,
                         m_workevent->Params[ 2 ].asdouble );
                 }
-/*
-                // TODO: re-enable when messaging module is in place
                 if( Global::iMultiplayer ) {
                     // dajemy znać do serwera o przełożeniu
-                    WyslijEvent( m_workevent->asName, "" ); // wysłanie nazwy eventu przełączajacego
+                    multiplayer::WyslijEvent( m_workevent->asName, "" ); // wysłanie nazwy eventu przełączajacego
                 }
-*/
                 // Ra: bardziej by się przydała nazwa toru, ale nie ma do niej stąd dostępu
                 break;
             }
@@ -1170,21 +1163,18 @@ event_manager::CheckQuery() {
                             }
                         }
                     }
-/*
-                    // TODO: re-enable when messaging component is in place
                     if( Global::iMultiplayer ) {
                         // dajemy znać do serwera o wykonaniu
                         if( ( m_workevent->iFlags & conditional_anyelse ) == 0 ) {
                             // jednoznaczne tylko, gdy nie było else
                             if( m_workevent->Activator ) {
-                                WyslijEvent( m_workevent->asName, m_workevent->Activator->name() );
+                                multiplayer::WyslijEvent( m_workevent->asName, m_workevent->Activator->name() );
                             }
                             else {
-                                WyslijEvent( m_workevent->asName, "" );
+                                multiplayer::WyslijEvent( m_workevent->asName, "" );
                             }
                         }
                     }
-*/
                 }
                 break;
             }
@@ -1273,8 +1263,8 @@ event_manager::CheckQuery() {
                         + to_string( m_workevent->Params[ 9 ].asMemCell->Value2(), 2 ) + "]" );
                 }
                 else {
-                    // TODO: re-enable when cell manager is in place
 /*
+                    // TODO: re-enable when cell manager is in place
                     // lista wszystkich
                     for( TGroundNode *Current = nRootOfType[ TP_MEMCELL ]; Current; Current = Current->nNext ) {
                         WriteLog( "Memcell \"" + Current->asName + "\": "

Globals.cpp

@@ -1001,13 +1001,12 @@ TDynamicObject *Global::DynamicNearest()
 { // ustalenie pojazdu najbliższego kamerze
     return pGround->DynamicNearest(pCamera->Pos);
 };
-#endif
 
 TDynamicObject *Global::CouplerNearest()
 { // ustalenie pojazdu najbliższego kamerze
     return pGround->CouplerNearest(pCamera->Pos);
 };
-
+#endif
 bool Global::AddToQuery(TEvent *event, TDynamicObject *who)
 {
 #ifdef EU07_USE_OLD_GROUNDCODE
@@ -1016,6 +1015,7 @@ bool Global::AddToQuery(TEvent *event, TDynamicObject *who)
     return simulation::Events.AddToQuery( event, who );
 #endif
 };
+
 //---------------------------------------------------------------------------
 
 bool Global::DoEvents()

Globals.h

@@ -299,8 +299,8 @@ class Global
     static std::string GetNextSymbol();
 #ifdef EU07_USE_OLD_GROUNDCODE
     static TDynamicObject * DynamicNearest();
-#endif
     static TDynamicObject * CouplerNearest();
+#endif
     static bool AddToQuery(TEvent *event, TDynamicObject *who);
     static bool DoEvents();
     static std::string Bezogonkow(std::string str, bool _ = false);

Ground.cpp

@@ -243,7 +243,9 @@ void TSubRect::NodeAdd(TGroundNode *Node)
         break;
     case TP_TRACK: // TODO: tory z cieniem (tunel, canyon) też dać bez łączenia?
         ++iTracks; // jeden tor więcej
+#ifdef EU07_USE_OLD_GROUNDCODE
         Node->pTrack->RaOwnerSet(this); // do którego sektora ma zgłaszać animację
+#endif
         // NOTE: track merge/sort temporarily disabled to simplify unification of render code
         // TODO: refactor sorting as universal part of drawing process in the renderer
         Node->nNext3 = nRenderRect;
@@ -340,6 +342,7 @@ TTrack * TSubRect::FindTrack(vector3 *Point, int &iConnection, TTrack *Exclude)
     return NULL;
 };
 
+#ifdef EU07_USE_OLD_GROUNDCODE
 bool TSubRect::RaTrackAnimAdd(TTrack *t)
 { // aktywacja animacji torów w VBO (zwrotnica, obrotnica)
     if( false == m_geometrycreated ) {
@@ -365,6 +368,7 @@ void TSubRect::RaAnimate( unsigned int const Framestamp ) {
 
     m_framestamp = Framestamp;
 };
+#endif
 
 TTraction * TSubRect::FindTraction(glm::dvec3 const &Point, int &iConnection, TTraction *Exclude)
 { // szukanie przęsła w sektorze, którego koniec jest najbliższy (*Point)
@@ -604,7 +608,7 @@ TGroundNode * TGround::DynamicFind(std::string const &Name)
                 return Current;
     return NULL;
 };
-#endif
+
 void
 TGround::DynamicList(bool all)
 { // odesłanie nazw pojazdów dostępnych na scenerii (nazwy, szczególnie wagonów, mogą się
@@ -614,7 +618,7 @@ TGround::DynamicList(bool all)
             multiplayer::WyslijString(Current->asName, 6); // same nazwy pojazdów
     multiplayer::WyslijString("none", 6); // informacja o końcu listy
 };
-#ifdef EU07_USE_OLD_GROUNDCODE
+
 // wyszukiwanie obiektu o podanej nazwie i konkretnym typie
 TGroundNode *
 TGround::FindGroundNode(std::string const &asNameToFind, TGroundNodeType const iNodeType) {
@@ -648,7 +652,7 @@ TGround::GetRect( double x, double z ) {
         return nullptr;
     }
 };
-
+#ifdef EU07_USE_OLD_GROUNDCODE
 // convert tp_terrain model to a series of triangle nodes
 void
 TGround::convert_terrain( TGroundNode const *Terrain ) {
@@ -683,7 +687,7 @@ TGround::convert_terrain( TSubModel const *Submodel ) {
         delete groundnode;
     }
 }
-
+#endif
 double fTrainSetVel = 0;
 double fTrainSetDir = 0;
 double fTrainSetDist = 0; // odległość składu od punktu 1 w stronę punktu 2
@@ -2766,7 +2770,7 @@ void TGround::InitTraction()
     }
     delete[] nEnds; // nie potrzebne już
 };
-#endif
+
 void TGround::TrackJoin(TGroundNode *Current)
 { // wyszukiwanie sąsiednich torów do podłączenia (wydzielone na użytek obrotnicy)
     TTrack *Track = Current->pTrack;
@@ -2774,11 +2778,7 @@ void TGround::TrackJoin(TGroundNode *Current)
     int iConnection;
     if (!Track->CurrentPrev())
     {
-#ifdef EU07_USE_OLD_GROUNDCODE
         tmp = FindTrack(Track->CurrentSegment()->FastGetPoint_0(), iConnection, Current); // Current do pominięcia
-#else
-        std::tie( tmp, iConnection ) = simulation::Region->find_path( Track->CurrentSegment()->FastGetPoint_0(), Track );
-#endif
         switch (iConnection)
         {
         case 0:
@@ -2791,11 +2791,7 @@ void TGround::TrackJoin(TGroundNode *Current)
     }
     if (!Track->CurrentNext())
     {
-#ifdef EU07_USE_OLD_GROUNDCODE
         tmp = FindTrack(Track->CurrentSegment()->FastGetPoint_1(), iConnection, Current);
-#else
-        std::tie( tmp, iConnection ) = simulation::Region->find_path( Track->CurrentSegment()->FastGetPoint_1(), Track );
-#endif
         switch (iConnection)
         {
         case 0:
@@ -2807,7 +2803,7 @@ void TGround::TrackJoin(TGroundNode *Current)
         }
     }
 }
-#ifdef EU07_USE_OLD_GROUNDCODE
+
 // McZapkie-070602: wyzwalacze zdarzen
 bool TGround::InitLaunchers()
 {
@@ -3755,7 +3751,7 @@ bool TGround::GetTraction(TDynamicObject *model)
 
     return true;
 };
-#endif
+
 //---------------------------------------------------------------------------
 //---------------------------------------------------------------------------
 //---------------------------------------------------------------------------
@@ -3800,6 +3796,7 @@ TDynamicObject * TGround::DynamicNearest(vector3 pPosition, double distance, boo
                         }
     return dyn;
 };
+
 TDynamicObject * TGround::CouplerNearest(vector3 pPosition, double distance, bool mech)
 { // wyszukanie pojazdu, którego sprzęg jest najbliżej względem (pPosition)
     TGroundNode *node;
@@ -3829,6 +3826,7 @@ TDynamicObject * TGround::CouplerNearest(vector3 pPosition, double distance, boo
                         }
     return dyn;
 };
+#endif
 //---------------------------------------------------------------------------
 void TGround::DynamicRemove(TDynamicObject *dyn)
 { // Ra: usunięcie pojazdów ze scenerii (gdy dojadą na koniec i nie sa potrzebne)
@@ -3951,7 +3949,7 @@ void TGround::TerrainWrite()
 };
 
 //---------------------------------------------------------------------------
-
+#ifdef EU07_USE_OLD_GROUNDCODE
 void TGround::TrackBusyList()
 { // wysłanie informacji o wszystkich zajętych odcinkach
     TGroundNode *Current;
@@ -3987,6 +3985,7 @@ void TGround::IsolatedBusy(const std::string t)
             }
     multiplayer::WyslijString(t, 10); // wolny
 };
+#endif
 //---------------------------------------------------------------------------
 
 void TGround::Silence(vector3 gdzie)

Ground.h

@@ -128,14 +128,8 @@ public:
     void InitNormals();
     void RenderHidden(); // obsługa dźwięków i wyzwalaczy zdarzeń
 };
-/*
-struct bounding_area {
 
-    glm::vec3 center; // mid point of the rectangle
+class TSubRect : public CMesh
-    float radius { 0.0f }; // radius of the bounding sphere
-};
-*/
-class TSubRect : /*public Resource,*/ public CMesh
 { // sektor składowy kwadratu kilometrowego
   public:
     scene::bounding_area m_area;
@@ -165,8 +159,10 @@ class TSubRect : /*public Resource,*/ public CMesh
     void Sort(); // optymalizacja obiektów w sektorze (sortowanie wg tekstur)
     TTrack * FindTrack(vector3 *Point, int &iConnection, TTrack *Exclude);
     TTraction * FindTraction(glm::dvec3 const &Point, int &iConnection, TTraction *Exclude);
+#ifdef EU07_USE_OLD_GROUNDCODE
     bool RaTrackAnimAdd(TTrack *t); // zgłoszenie toru do animacji
     void RaAnimate( unsigned int const Framestamp ); // przeliczenie animacji torów
+#endif
     void RenderSounds(); // dźwięki pojazdów z niewidocznych sektorów
 };
 
@@ -273,9 +269,6 @@ class TGround
     bool CheckQuery();
     TGroundNode * DynamicFindAny(std::string const &Name);
     TGroundNode * DynamicFind(std::string const &Name);
-#endif
-    void DynamicList(bool all = false);
-#ifdef EU07_USE_OLD_GROUNDCODE
     TGroundNode * FindGroundNode(std::string const &asNameToFind, TGroundNodeType const iNodeType);
 #endif
     TGroundRect * GetRect( double x, double z );
@@ -295,25 +288,23 @@ class TGround
         return (int)(x / fSubRectSize + fHalfTotalNumSubRects); };
 #ifdef EU07_USE_OLD_GROUNDCODE
     TEvent * FindEvent(const std::string &asEventName);
-#endif
     void TrackJoin(TGroundNode *Current);
-
 private:
     // convert tp_terrain model to a series of triangle nodes
     void convert_terrain( TGroundNode const *Terrain );
     void convert_terrain( TSubModel const *Submodel );
-#ifdef EU07_USE_OLD_GROUNDCODE
     void RaTriangleDivider(TGroundNode *node);
-    void Navigate(std::string const &ClassName, UINT Msg, WPARAM wParam, LPARAM lParam);
 #endif
 public:
+#ifdef EU07_USE_OLD_GROUNDCODE
+    void DynamicList( bool all = false );
     void TrackBusyList();
     void IsolatedBusyList();
     void IsolatedBusy( const std::string t );
-
 	void RadioStop(vector3 pPosition);
     TDynamicObject * DynamicNearest(vector3 pPosition, double distance = 20.0, bool mech = false);
     TDynamicObject * CouplerNearest(vector3 pPosition, double distance = 20.0, bool mech = false);
+#endif
     void DynamicRemove(TDynamicObject *dyn);
     void TerrainRead(std::string const &f);
     void TerrainWrite();

MemCell.cpp

@@ -176,8 +176,14 @@ void TMemCell::StopCommandSent()
     if (!bCommand)
         return;
     bCommand = false;
-    if (OnSent) // jeśli jest event
+    if( OnSent ) {
+        // jeśli jest event
+#ifdef EU07_USE_OLD_GROUNDCODE
         Global::AddToQuery( OnSent, NULL );
+#else
+        simulation::Events.AddToQuery( OnSent, nullptr );
+#endif
+    }
 };
 
 void TMemCell::AssignEvents(TEvent *e)

Model3d.cpp

@@ -19,7 +19,9 @@ Copyright (C) 2001-2004  Marcin Wozniak, Maciej Czapkiewicz and others
 #include "logs.h"
 #include "mczapkie/mctools.h"
 #include "Usefull.h"
+#ifdef EU07_USE_OLD_GROUNDCODE
 #include "ground.h"
+#endif
 #include "renderer.h"
 #include "Timer.h"
 #include "mtable.h"
@@ -988,11 +990,11 @@ TSubModel::create_geometry( std::size_t &Dataoffset, geometrybank_handle const &
 
     // data offset is used to determine data offset of each submodel into single shared geometry bank
     // (the offsets are part of legacy system which we now need to work around for backward compatibility)
-
     if( Child )
         Child->create_geometry( Dataoffset, Bank );
 
     if( false == Vertices.empty() ) {
+
         tVboPtr = static_cast<int>( Dataoffset );
         Dataoffset += Vertices.size();
         // conveniently all relevant custom node types use GL_POINTS, or we'd have to determine the type on individual basis
@@ -1003,10 +1005,29 @@ TSubModel::create_geometry( std::size_t &Dataoffset, geometrybank_handle const &
         m_geometry = GfxRenderer.Insert( Vertices, Bank, type );
     }
 
+    if( m_geometry != NULL ) {
+        // calculate bounding radius while we're at it
+        // NOTE: doesn't take into account transformation hierarchy TODO: implement it
+        float squaredradius{ 0.f };
+        for( auto const &vertex : GfxRenderer.Vertices( m_geometry ) ) {
+            squaredradius = static_cast<float>( glm::length2( vertex.position ) );
+            if( squaredradius > m_boundingradius ) {
+                m_boundingradius = squaredradius;
+            }
+        }
+        if( m_boundingradius > 0.f ) { m_boundingradius = std::sqrt( m_boundingradius ); }
+        if( Parent ) {
+            // propagate radius up the chain
+            Parent->m_boundingradius = std::max(
+                Parent->m_boundingradius,
+                m_boundingradius );
+        }
+    }
+
     if( Next )
         Next->create_geometry( Dataoffset, Bank );
 }
-
+#ifdef EU07_USE_OLD_GROUNDCODE
 // places contained geometry in provided ground node
 void
 TSubModel::convert( TGroundNode &Groundnode ) const {
@@ -1063,7 +1084,7 @@ TSubModel::convert( TGroundNode &Groundnode ) const {
         Groundnode.fSquareRadius += squareradius;
     }
 }
-
+#endif
 void TSubModel::ColorsSet( glm::vec3 const &Ambient, glm::vec3 const &Diffuse, glm::vec3 const &Specular )
 { // ustawienie kolorów dla modelu terenu
     f4Ambient = glm::vec4( Ambient, 1.0f );
@@ -1759,18 +1780,11 @@ void TModel3d::Init()
 		return; // operacje zostały już wykonane
 	if (Root)
 	{
-		if (iFlags & 0x0200) // jeśli wczytano z pliku tekstowego
+		if (iFlags & 0x0200) {
-		{ // jest jakiś dziwny błąd, że obkręcany ma być tylko ostatni submodel
+            // jeśli wczytano z pliku tekstowego jest jakiś dziwny błąd,
-		  // głównego łańcucha
+            // że obkręcany ma być tylko ostatni submodel głównego łańcucha
-		  // TSubModel *p=Root;
+            // argumet określa, czy wykonać pierwotny obrót
-		  // do
+			Root->InitialRotate(true);
-		  //{p->InitialRotate(true); //ostatniemu należy się konwersja układu
-		  // współrzędnych
-		  // p=p->NextGet();
-		  //}
-		  // while (p->NextGet())
-		  // Root->InitialRotate(false); //a poprzednim tylko optymalizacja
-			Root->InitialRotate(true); // argumet określa, czy wykonać pierwotny obrót
 		}
 		iFlags |= Root->FlagsCheck() | 0x8000; // flagi całego modelu
         if (iNumVerts) {
@@ -1788,11 +1802,6 @@ void TModel3d::Init()
     }
 };
 
-void TModel3d::BreakHierarhy()
-{
-	Error("Not implemented yet :(");
-};
-
 //-----------------------------------------------------------------------------
 // 2012-02 funkcje do tworzenia terenu z E3D
 //-----------------------------------------------------------------------------

Model3d.h

@@ -50,7 +50,12 @@ enum TAnimType // rodzaj animacji
 	at_Undefined = 0x800000FF // animacja chwilowo nieokreślona
 };
 
+#ifdef EU07_USE_OLD_GROUNDCODE
 class TGroundNode;
+#endif
+namespace scene {
+class shape_node;
+}
 
 class TSubModel
 { // klasa submodelu - pojedyncza siatka, punkt świetlny albo grupa punktów
@@ -59,6 +64,7 @@ class TSubModel
     friend class opengl_renderer;
     friend class TModel3d; // temporary workaround. TODO: clean up class content/hierarchy
     friend class TDynamicObject; // temporary etc
+    friend class scene::shape_node; // temporary etc
 
 public:
     enum normalization {
@@ -131,10 +137,8 @@ private:
 
 public: // chwilowo
     float3 v_TransVector { 0.0f, 0.0f, 0.0f };
-/*
-	basic_vertex *Vertices; // roboczy wskaźnik - wczytanie T3D do VBO
-*/
     vertex_array Vertices;
+    float m_boundingradius { 0 };
     size_t iAnimOwner{ 0 }; // roboczy numer egzemplarza, który ustawił animację
     TAnimType b_aAnim{ at_None }; // kody animacji oddzielnie, bo zerowane
 public:
@@ -163,9 +167,6 @@ public:
 	TSubModel * NextGet() { return Next; };
 	TSubModel * ChildGet() { return Child; };
 	int TriangleAdd(TModel3d *m, material_handle tex, int tri);
-/*
-	basic_vertex * TrianglePtr(int tex, int pos, glm::vec3 const &Ambient, glm::vec3 const &Diffuse, glm::vec3 const &Specular );
-*/
 	void SetRotate(float3 vNewRotateAxis, float fNewAngle);
 	void SetRotateXYZ(vector3 vNewAngles);
 	void SetRotateXYZ(float3 vNewAngles);
@@ -215,8 +216,9 @@ public:
 		std::vector<float4x4>&);
     void serialize_geometry( std::ostream &Output ) const;
     // places contained geometry in provided ground node
+#ifdef EU07_USE_OLD_GROUNDCODE
     void convert( TGroundNode &Groundnode ) const;
-
+#endif
 };
 
 class TModel3d : public CMesh
@@ -236,6 +238,11 @@ private:
 	std::string asBinary; // nazwa pod którą zapisać model binarny
     std::string m_filename;
 public:
+    float bounding_radius() const {
+        return (
+            Root ?
+                Root->m_boundingradius :
+                0.f ); }
 	inline TSubModel * GetSMRoot() { return (Root); };
 	TModel3d();
 	~TModel3d();
@@ -246,7 +253,6 @@ public:
 	void LoadFromBinFile(std::string const &FileName, bool dynamic);
 	bool LoadFromFile(std::string const &FileName, bool dynamic);
 	void SaveToBinFile(std::string const &FileName);
-	void BreakHierarhy();
 	int Flags() const { return iFlags; };
 	void Init();
 	std::string NameGet() { return m_filename; };

Track.cpp

@@ -84,16 +84,14 @@ TIsolated::TIsolated(std::string const &n, TIsolated *i) :
     // utworznie obwodu izolowanego. nothing to do here.
 };
 
-// TODO: put this in the cleanup routine on exit
+void TIsolated::DeleteAll() {
-    /*
+
-     TIsolated *p=pRoot;
+    while( pRoot ) {
-     while (pRoot)
+        auto *next = pRoot->Next();
-     {
+        delete pRoot;
-      p=pRoot;
+        pRoot = next;
-      p->pNext=NULL;
+    }
-      delete p;
 }
-    */
 
 TIsolated * TIsolated::Find(std::string const &n)
 { // znalezienie obiektu albo utworzenie nowego
@@ -1065,7 +1063,11 @@ bool TTrack::InMovement()
     return false;
 };
 
+#ifdef EU07_USE_OLD_GROUNDCODE
 void TTrack::RaAssign(TGroundNode *gn, TAnimModel *am, TEvent *done, TEvent *joined)
+#else
+void TTrack::RaAssign( scene::basic_cell *gn, TAnimModel *am, TEvent *done, TEvent *joined )
+#endif
 { // Ra: wiązanie toru z modelem obrotnicy
     if (eType == tt_Table)
     {
@@ -2259,7 +2261,7 @@ bool TTrack::Switch(int i, float const t, float const d)
         }
         else if (eType == tt_Table)
         { // blokowanie (0, szukanie torów) lub odblokowanie (1, rozłączenie) obrotnicy
-            if (i)
+            if (i) // NOTE: this condition seems opposite to intention/comment? TODO: investigate this
             { // 0: rozłączenie sąsiednich torów od obrotnicy
                 if (trPrev) // jeśli jest tor od Point1 obrotnicy
                     if (iPrevDirection) // 0:dołączony Point1, 1:dołączony Point2
@@ -2276,25 +2278,34 @@ bool TTrack::Switch(int i, float const t, float const d)
                 fVelocity = 0.0; // AI, nie ruszaj się!
                 if (SwitchExtension->pOwner)
                     SwitchExtension->pOwner->RaTrackAnimAdd(this); // dodanie do listy animacyjnej
+                // TODO: unregister path ends in the owner cell
             }
             else
             { // 1: ustalenie finalnego położenia (gdy nie było animacji)
                 RaAnimate(); // ostatni etap animowania
                 // zablokowanie pozycji i połączenie do sąsiednich torów
+                // TODO: register new position of the path endpoints with the region
+#ifdef EU07_USE_OLD_GROUNDCODE
                 Global::pGround->TrackJoin(SwitchExtension->pMyNode);
+#else
+                simulation::Region->TrackJoin( this );
+#endif
                 if (trNext || trPrev)
                 {
                     fVelocity = 6.0; // jazda dozwolona
-                    if (trPrev)
+                    if( ( trPrev )
-                        if (trPrev->fVelocity ==
+                     && ( trPrev->fVelocity == 0.0 ) ) {
-                            0.0) // ustawienie 0 da możliwość zatrzymania AI na obrotnicy
+                        // ustawienie 0 da możliwość zatrzymania AI na obrotnicy
                         trPrev->VelocitySet( 6.0 ); // odblokowanie dołączonego toru do jazdy
-                    if (trNext)
+                    }
-                        if (trNext->fVelocity == 0.0)
+                    if( ( trNext )
+                     && ( trNext->fVelocity == 0.0 ) ) {
                         trNext->VelocitySet( 6.0 );
-                    if (SwitchExtension->evPlus) // w starych sceneriach może nie być
+                    }
-                        Global::AddToQuery(SwitchExtension->evPlus,
+                    if( SwitchExtension->evPlus ) { // w starych sceneriach może nie być
-                                           NULL); // potwierdzenie wykonania (np. odpala WZ)
+                        // potwierdzenie wykonania (np. odpala WZ)
+                        Global::AddToQuery( SwitchExtension->evPlus, nullptr );
+                    }
                 }
             }
             SwitchExtension->CurrentIndex = i; // zapamiętanie stanu zablokowania
@@ -2528,7 +2539,11 @@ TTrack * TTrack::RaAnimate()
                            cosa = -hlen * std::cos(glm::radians(SwitchExtension->fOffset));
                     SwitchExtension->vTrans = ac->TransGet();
                     vector3 middle =
+#ifdef EU07_USE_OLD_GROUNDCODE
                         SwitchExtension->pMyNode->pCenter +
+#else
+                        SwitchExtension->pMyNode->area().center +
+#endif
                         SwitchExtension->vTrans; // SwitchExtension->Segments[0]->FastGetPoint(0.5);
                     Segment->Init(middle + vector3(sina, 0.0, cosa),
                                   middle - vector3(sina, 0.0, cosa), 5.0); // nowy odcinek
@@ -2774,6 +2789,11 @@ TTrack * TTrack::Connected(int s, double &d) const
 
 
 
+path_table::~path_table() {
+
+    TIsolated::DeleteAll();
+}
+
 // legacy method, initializes tracks after deserialization from scenario file
 void
 path_table::InitTracks() {
@@ -2957,3 +2977,46 @@ path_table::InitTracks() {
         isolated = isolated->Next();
     }
 }
+
+// legacy method, sends list of occupied paths over network
+void
+path_table::TrackBusyList() const {
+    // wysłanie informacji o wszystkich zajętych odcinkach
+    for( auto const *path : m_items ) {
+        if( ( false == path->name().empty() ) // musi być nazwa
+         && ( false == path->Dynamics.empty() ) ) {
+            // zajęty
+            multiplayer::WyslijString( path->name(), 8 );
+        }
+    }
+}
+
+// legacy method, sends list of occupied path sections over network
+void
+path_table::IsolatedBusyList() const {
+    // wysłanie informacji o wszystkich odcinkach izolowanych
+    TIsolated *Current;
+    for( Current = TIsolated::Root(); Current; Current = Current->Next() ) {
+
+        if( Current->Busy() ) { multiplayer::WyslijString( Current->asName, 11 ); }
+        else                  { multiplayer::WyslijString( Current->asName, 10 ); }
+    }
+    multiplayer::WyslijString( "none", 10 ); // informacja o końcu listy
+}
+
+// legacy method, sends state of specified path section over network
+void
+path_table::IsolatedBusy( std::string const &Name ) const {
+    // wysłanie informacji o odcinku izolowanym (t)
+    // Ra 2014-06: do wyszukania użyć drzewka nazw
+    TIsolated *Current;
+    for( Current = TIsolated::Root(); Current; Current = Current->Next() ) {
+        if( Current->asName == Name ) {
+            if( Current->Busy() ) { multiplayer::WyslijString( Current->asName, 11 ); }
+            else                  { multiplayer::WyslijString( Current->asName, 10 ); }
+            // nie sprawdzaj dalszych
+            return;
+        }
+    }
+    multiplayer::WyslijString( Name, 10 ); // wolny (technically not found but, eh)
+}

Track.h

@@ -13,11 +13,15 @@ http://mozilla.org/MPL/2.0/.
 #include <vector>
 #include <deque>
 
-#include "scenenode.h"
 #include "Segment.h"
 #include "material.h"
+#include "scenenode.h"
 #include "names.h"
 
+namespace scene {
+class basic_cell;
+}
+
 enum TTrackType {
     tt_Unknown,
     tt_Normal,
@@ -71,7 +75,11 @@ class TSwitchExtension
         };
         struct
         { // zmienne potrzebne tylko dla obrotnicy/przesuwnicy
+#ifdef EU07_USE_OLD_GROUNDCODE
             TGroundNode *pMyNode; // dla obrotnicy do wtórnego podłączania torów
+#else
+            scene::basic_cell *pMyNode; // TODO: convert this to observer pattern
+#endif
             // TAnimContainer *pAnim; //animator modelu dla obrotnicy
             TAnimModel *pModel; // na razie model
         };
@@ -83,7 +91,11 @@ class TSwitchExtension
         };
     };
     bool bMovement = false; // czy w trakcie animacji
+#ifdef EU07_USE_OLD_GROUNDCODE
     TSubRect *pOwner = nullptr; // sektor, któremu trzeba zgłosić animację
+#else
+    scene::basic_cell *pOwner = nullptr; // TODO: convert this to observer pattern
+#endif
     TTrack *pNextAnim = nullptr; // następny tor do animowania
     TEvent *evPlus = nullptr,
            *evMinus = nullptr; // zdarzenia sygnalizacji rozprucia
@@ -103,6 +115,7 @@ class TIsolated
     TMemCell *pMemCell = nullptr; // automatyczna komórka pamięci, która współpracuje z odcinkiem izolowanym
     TIsolated();
     TIsolated(const std::string &n, TIsolated *i);
+    static void DeleteAll();
     static TIsolated * Find(const std::string &n); // znalezienie obiektu albo utworzenie nowego
     void Modify(int i, TDynamicObject *o); // dodanie lub odjęcie osi
     bool Busy() {
@@ -245,11 +258,20 @@ public:
 #endif
     void RenderDynSounds(); // odtwarzanie dźwięków pojazdów jest niezależne od ich wyświetlania
 
+#ifdef EU07_USE_OLD_GROUNDCODE
     void RaOwnerSet(TSubRect *o) {
         if (SwitchExtension)
             SwitchExtension->pOwner = o; };
+#else
+    void RaOwnerSet( scene::basic_cell *o ) {
+        if( SwitchExtension ) { SwitchExtension->pOwner = o; } };
+#endif
     bool InMovement(); // czy w trakcie animacji?
+#ifdef EU07_USE_OLD_GROUNDCODE
     void RaAssign(TGroundNode *gn, TAnimModel *am, TEvent *done, TEvent *joined);
+#else
+    void RaAssign( scene::basic_cell *gn, TAnimModel *am, TEvent *done, TEvent *joined );
+#endif
     void RaAnimListAdd(TTrack *t);
     TTrack * RaAnimate();
 
@@ -278,9 +300,19 @@ public:
 class path_table : public basic_table<TTrack> {
 
 public:
+    ~path_table();
     // legacy method, initializes tracks after deserialization from scenario file
     void
         InitTracks();
+    // legacy method, sends list of occupied paths over network
+    void
+        TrackBusyList() const;
+    // legacy method, sends list of occupied path sections over network
+    void
+        IsolatedBusyList() const;
+    // legacy method, sends state of specified path section over network
+    void
+        IsolatedBusy( std::string const &Name ) const;
 };
 
 //---------------------------------------------------------------------------

World.cpp

@@ -318,6 +318,8 @@ bool TWorld::Init( GLFWwindow *Window ) {
         Controlled = NULL;
         mvControlled = NULL;
         Camera.Type = tp_Free;
+        DebugCamera = Camera;
+        Global::DebugCameraPosition = DebugCamera.Pos;
     }
 
     // if (!Global::bMultiplayer) //na razie włączone
@@ -543,7 +545,7 @@ void TWorld::OnKeyDown(int cKey)
 #ifdef EU07_USE_OLD_GROUNDCODE
                 TDynamicObject *tmp = Ground.DynamicNearest( Camera.Pos, 50, true ); //łapiemy z obsadą
 #else
-                TDynamicObject *tmp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 50, true ) );
+                TDynamicObject *tmp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 50, true, false ) );
 #endif
                 if( ( tmp != nullptr )
                  && ( tmp != Controlled ) ) {
@@ -689,7 +691,11 @@ void TWorld::OnKeyDown(int cKey)
     else if( ( cKey == GLFW_KEY_PAUSE ) && ( Global::ctrlState ) && ( Global::shiftState ) ) {
         //[Ctrl]+[Break] hamowanie wszystkich pojazdów w okolicy // added shift to prevent odd issue with glfw producing pause presses on its own
         if( Controlled->MoverParameters->Radio )
+#ifdef EU07_USE_OLD_GROUNDCODE
             Ground.RadioStop( Camera.Pos );
+#else
+            simulation::Region->RadioStop( Camera.Pos );
+#endif
 	}
     else if (!Global::iPause) //||(cKey==VK_F4)) //podczas pauzy sterownaie nie działa, F4 tak
         if (Train)
@@ -725,7 +731,7 @@ void TWorld::OnKeyDown(int cKey)
 #ifdef EU07_USE_OLD_GROUNDCODE
                 TDynamicObject *temp = Global::DynamicNearest();
 #else
-                TDynamicObject *temp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 20, false ) );
+                TDynamicObject *temp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 20, false, false ) );
 #endif
             if (temp)
             {
@@ -739,7 +745,11 @@ void TWorld::OnKeyDown(int cKey)
         }
         else if (cKey == Global::Keys[k_EndSign])
         { // Ra 2014-07: zabrane z kabiny
+#ifdef EU07_USE_OLD_GROUNDCODE
             TDynamicObject *tmp = Global::CouplerNearest(); // domyślnie wyszukuje do 20m
+#else
+            TDynamicObject *tmp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 20, false, true ) );
+#endif
             if (tmp)
             {
                 int CouplNr = (LengthSquared3(tmp->HeadPosition() - Camera.Pos) >
@@ -772,7 +782,7 @@ void TWorld::OnKeyDown(int cKey)
 #ifdef EU07_USE_OLD_GROUNDCODE
             TDynamicObject *temp = Global::DynamicNearest();
 #else
-            TDynamicObject *temp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 20, false ) );
+            TDynamicObject *temp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 20, false, false ) );
 #endif
             if (temp)
             {
@@ -795,7 +805,7 @@ void TWorld::OnKeyDown(int cKey)
 #ifdef EU07_USE_OLD_GROUNDCODE
             TDynamicObject *temp = Global::DynamicNearest();
 #else
-            TDynamicObject *temp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 20, false ) );
+            TDynamicObject *temp = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 20, false, false ) );
 #endif
             if (temp)
             {
@@ -835,6 +845,8 @@ void TWorld::InOutKey( bool const Near )
             Train->Dynamic()->bDisplayCab = false;
             DistantView( Near );
         }
+        DebugCamera = Camera;
+        Global::DebugCameraPosition = DebugCamera.Pos;
     }
     else
     { // jazda w kabinie
@@ -1172,9 +1184,9 @@ TWorld::Update_Camera( double const Deltatime ) {
                 if( !d )
                     d = Ground.DynamicNearest( Camera.Pos, 1000 ); // dalej szukanie, jesli bliżej nie ma
 #else
-                TDynamicObject *d = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 300, false ) );
+                TDynamicObject *d = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 300, false, false ) );
                 if( !d )
-                    d = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 1000, false ) ); // dalej szukanie, jesli bliżej nie ma
+                    d = std::get<TDynamicObject *>( simulation::Region->find_vehicle( Global::pCameraPosition, 1000, false, false ) ); // dalej szukanie, jesli bliżej nie ma
 #endif
                 if( d && pDynamicNearest ) {
                     // jeśli jakiś jest znaleziony wcześniej
@@ -1361,7 +1373,7 @@ TWorld::Update_UI() {
 #ifdef EU07_USE_OLD_GROUNDCODE
                 Ground.DynamicNearest( Camera.Pos ) :
 #else
-                std::get<TDynamicObject *>( simulation::Region->find_vehicle( Camera.Pos, 20, false ) ) :
+                std::get<TDynamicObject *>( simulation::Region->find_vehicle( Camera.Pos, 20, false, false ) ) :
 #endif
                 Controlled ); // w trybie latania lokalizujemy wg mapy
 
@@ -1446,7 +1458,7 @@ TWorld::Update_UI() {
 #ifdef EU07_USE_OLD_GROUNDCODE
                     Ground.DynamicNearest( Camera.Pos ) :
 #else
-                    std::get<TDynamicObject *>( simulation::Region->find_vehicle( Camera.Pos, 20, false ) ) :
+                    std::get<TDynamicObject *>( simulation::Region->find_vehicle( Camera.Pos, 20, false, false ) ) :
 #endif
                     Controlled ); // w trybie latania lokalizujemy wg mapy
 
@@ -1714,7 +1726,7 @@ TWorld::Update_UI() {
 #ifdef EU07_USE_OLD_GROUNDCODE
                         Ground.DynamicNearest( Camera.Pos ) :
 #else
-                        std::get<TDynamicObject *>( simulation::Region->find_vehicle( Camera.Pos, 20, false ) ) :
+                        std::get<TDynamicObject *>( simulation::Region->find_vehicle( Camera.Pos, 20, false, false ) ) :
 #endif
                         Controlled ); // w trybie latania lokalizujemy wg mapy
                 if( tmp == nullptr ) {
@@ -1908,7 +1920,6 @@ void TWorld::OnCommandGet(multiplayer::DaneRozkaz *pRozkaz)
                 std::string( pRozkaz->cString + 1, (unsigned)( pRozkaz->cString[ 0 ] ) ) + " rcvd" );
 #ifdef EU07_USE_OLD_GROUNDCODE
             if( Global::iMultiplayer ) {
-                // WriteLog("Komunikat: "+AnsiString(pRozkaz->Name1));
                 TEvent *e = Ground.FindEvent(
                     std::string( pRozkaz->cString + 1, (unsigned)( pRozkaz->cString[ 0 ] ) ) );
                 if( e )
@@ -1918,7 +1929,6 @@ void TWorld::OnCommandGet(multiplayer::DaneRozkaz *pRozkaz)
             }
 #else
             if( Global::iMultiplayer ) {
-                // WriteLog("Komunikat: "+AnsiString(pRozkaz->Name1));
                 auto *event = simulation::Events.FindEvent( std::string( pRozkaz->cString + 1, (unsigned)( pRozkaz->cString[ 0 ] ) ) );
                 if( event != nullptr ) {
                     if( ( event->Type == tp_Multiple )
@@ -2027,7 +2037,6 @@ void TWorld::OnCommandGet(multiplayer::DaneRozkaz *pRozkaz)
                     if (t)
                         multiplayer::WyslijNamiary(t); // wysłanie informacji o pojeździe
 #else
-/*
                     // TODO: re-enable when messaging component is in place
                     auto *vehicle = (
                         pRozkaz->cString[ 1 ] == '*' ?
@@ -2036,27 +2045,42 @@ void TWorld::OnCommandGet(multiplayer::DaneRozkaz *pRozkaz)
                     if( vehicle != nullptr ) {
                         multiplayer::WyslijNamiary( vehicle ); // wysłanie informacji o pojeździe
                     }
-*/
 #endif
                 }
                 else {
                     // dla pustego wysyłamy ramki 6 z nazwami pojazdów AI (jeśli potrzebne wszystkie, to rozpoznać np. "*")
+#ifdef EU07_USE_OLD_GROUNDCODE
                     Ground.DynamicList();
+#else
+                    simulation::Vehicles.DynamicList();
+#endif
                 }
             }
             break;
         case 8: // ponowne wysłanie informacji o zajętych odcinkach toru
 			CommLog(Now() + " " + to_string(pRozkaz->iComm) + " all busy track" + " rcvd");
+#ifdef EU07_USE_OLD_GROUNDCODE
             Ground.TrackBusyList();
+#else
+            simulation::Paths.TrackBusyList();
+#endif
             break;
         case 9: // ponowne wysłanie informacji o zajętych odcinkach izolowanych
 			CommLog(Now() + " " + to_string(pRozkaz->iComm) + " all busy isolated" + " rcvd");
+#ifdef EU07_USE_OLD_GROUNDCODE
             Ground.IsolatedBusyList();
+#else
+            simulation::Paths.IsolatedBusyList();
+#endif
             break;
         case 10: // badanie zajętości jednego odcinka izolowanego
             CommLog(Now() + " " + to_string(pRozkaz->iComm) + " " +
                     std::string(pRozkaz->cString + 1, (unsigned)(pRozkaz->cString[0])) + " rcvd");
+#ifdef EU07_USE_OLD_GROUNDCODE
             Ground.IsolatedBusy(std::string(pRozkaz->cString + 1, (unsigned)(pRozkaz->cString[0])));
+#else
+            simulation::Paths.IsolatedBusy( std::string( pRozkaz->cString + 1, (unsigned)( pRozkaz->cString[ 0 ] ) ) );
+#endif
             break;
         case 11: // ustawienie parametrów ruchu pojazdu
             //    Ground.IsolatedBusy(AnsiString(pRozkaz->cString+1,(unsigned)(pRozkaz->cString[0])));
@@ -2096,7 +2120,25 @@ void TWorld::OnCommandGet(multiplayer::DaneRozkaz *pRozkaz)
                         }
                     }
 #else
-                    // TODO: implement
+                    if( pRozkaz->cString[ 1 ] ) // jeśli długość nazwy jest niezerowa
+                    { // szukamy pierwszego pojazdu o takiej nazwie i odsyłamy parametry ramką #13
+                        auto *lookup = (
+                            pRozkaz->cString[ 2 ] == '*' ?
+                                simulation::Vehicles.find( Global::asHumanCtrlVehicle ) : // nazwa pojazdu użytkownika
+                                simulation::Vehicles.find( std::string( pRozkaz->cString + 2, (unsigned)pRozkaz->cString[ 1 ] ) ) ); // nazwa pojazdu
+                        if( lookup == nullptr ) { break; } // nothing found, nothing to do
+                        auto *d { lookup };
+                        while( d != nullptr ) {
+                            d->Damage( pRozkaz->cString[ 0 ] );
+                            d = d->Next(); // pozostałe też
+                        }
+                        d = lookup->Prev();
+                        while( d != nullptr ) {
+                            d->Damage( pRozkaz->cString[ 0 ] );
+                            d = d->Prev(); // w drugą stronę też
+                        }
+                        multiplayer::WyslijUszkodzenia( lookup->asName, lookup->MoverParameters->EngDmgFlag ); // zwrot informacji o pojeździe
+                    }
 #endif
 			break;
 		}

messaging.cpp

@@ -93,6 +93,7 @@ WyslijWolny(const std::string &t)
     WyslijString(t, 4); // tor wolny
 }
 
+#ifdef EU07_USE_OLD_GROUNDCODE
 void
 WyslijNamiary(TGroundNode *t)
 { // wysłanie informacji o pojeździe - (float), długość ramki będzie zwiększana w miarę potrzeby
@@ -169,6 +170,84 @@ WyslijNamiary(TGroundNode *t)
     // WriteLog("Ramka poszla!");
 	CommLog( Now() + " " + std::to_string(r.iComm) + " " + t->asName + " sent");
 }
+#else
+void
+WyslijNamiary(TDynamicObject const *Vehicle)
+{ // wysłanie informacji o pojeździe - (float), długość ramki będzie zwiększana w miarę potrzeby
+    // WriteLog("Wysylam pojazd");
+    DaneRozkaz r;
+    r.iSygn = MAKE_ID4( 'E', 'U', '0', '7' );
+    r.iComm = 7; // 7 - dane pojazdu
+	int i = 32;
+	size_t j = Vehicle->asName.length();
+    r.iPar[0] = i; // ilość danych liczbowych
+    r.fPar[1] = Global::fTimeAngleDeg / 360.0; // aktualny czas (1.0=doba)
+    r.fPar[2] = Vehicle->MoverParameters->Loc.X; // pozycja X
+    r.fPar[3] = Vehicle->MoverParameters->Loc.Y; // pozycja Y
+    r.fPar[4] = Vehicle->MoverParameters->Loc.Z; // pozycja Z
+    r.fPar[5] = Vehicle->MoverParameters->V; // prędkość ruchu X
+    r.fPar[6] = Vehicle->MoverParameters->nrot * M_PI *
+                Vehicle->MoverParameters->WheelDiameter; // prędkość obrotowa kóŁ
+    r.fPar[7] = 0; // prędkość ruchu Z
+    r.fPar[8] = Vehicle->MoverParameters->AccS; // przyspieszenie X
+    r.fPar[9] = Vehicle->MoverParameters->AccN; // przyspieszenie Y //na razie nie
+    r.fPar[10] = Vehicle->MoverParameters->AccV; // przyspieszenie Z
+    r.fPar[11] = Vehicle->MoverParameters->DistCounter; // przejechana odległość w km
+    r.fPar[12] = Vehicle->MoverParameters->PipePress; // ciśnienie w PG
+    r.fPar[13] = Vehicle->MoverParameters->ScndPipePress; // ciśnienie w PZ
+    r.fPar[14] = Vehicle->MoverParameters->BrakePress; // ciśnienie w CH
+    r.fPar[15] = Vehicle->MoverParameters->Compressor; // ciśnienie w ZG
+    r.fPar[16] = Vehicle->MoverParameters->Itot; // Prąd całkowity
+    r.iPar[17] = Vehicle->MoverParameters->MainCtrlPos; // Pozycja NJ
+    r.iPar[18] = Vehicle->MoverParameters->ScndCtrlPos; // Pozycja NB
+    r.iPar[19] = Vehicle->MoverParameters->MainCtrlActualPos; // Pozycja jezdna
+    r.iPar[20] = Vehicle->MoverParameters->ScndCtrlActualPos; // Pozycja bocznikowania
+    r.iPar[21] = Vehicle->MoverParameters->ScndCtrlActualPos; // Pozycja bocznikowania
+    r.iPar[22] = Vehicle->MoverParameters->ResistorsFlag * 1 +
+                 Vehicle->MoverParameters->ConverterFlag * 2 +
+                 +Vehicle->MoverParameters->CompressorFlag * 4 +
+                 Vehicle->MoverParameters->Mains * 8 +
+                 +Vehicle->MoverParameters->DoorLeftOpened * 16 +
+                 Vehicle->MoverParameters->DoorRightOpened * 32 +
+                 +Vehicle->MoverParameters->FuseFlag * 64 +
+                 Vehicle->MoverParameters->DepartureSignal * 128;
+    // WriteLog("Zapisalem stare");
+    // WriteLog("Mam patykow "+IntToStr(t->DynamicObject->iAnimType[ANIM_PANTS]));
+    for (int p = 0; p < 4; p++)
+    {
+        //   WriteLog("Probuje pant "+IntToStr(p));
+        if (p < Vehicle->iAnimType[ANIM_PANTS])
+        {
+            r.fPar[23 + p] = Vehicle->pants[p].fParamPants->PantWys; // stan pantografów 4
+            //     WriteLog("Zapisalem pant "+IntToStr(p));
+        }
+        else
+        {
+            r.fPar[23 + p] = -2;
+            //     WriteLog("Nie mam pant "+IntToStr(p));
+        }
+    }
+    // WriteLog("Zapisalem pantografy");
+    for (int p = 0; p < 3; p++)
+        r.fPar[27 + p] =
+            Vehicle->MoverParameters->ShowCurrent(p + 1); // amperomierze kolejnych grup
+    // WriteLog("zapisalem prady");
+    r.iPar[30] = Vehicle->MoverParameters->WarningSignal; // trabienie
+    r.fPar[31] = Vehicle->MoverParameters->RunningTraction.TractionVoltage; // napiecie WN
+    // WriteLog("Parametry gotowe");
+    i <<= 2; // ilość bajtów
+    r.cString[i] = char(j); // na końcu nazwa, żeby jakoś zidentyfikować
+    strcpy(r.cString + i + 1, Vehicle->asName.c_str()); // zakończony zerem
+    COPYDATASTRUCT cData;
+    cData.dwData = MAKE_ID4( 'E', 'U', '0', '7' ); // sygnatura
+    cData.cbData = (DWORD)(10 + i + j); // 8+licznik i zero kończące
+    cData.lpData = &r;
+    // WriteLog("Ramka gotowa");
+    Navigate( "TEU07SRK", WM_COPYDATA, (WPARAM)glfwGetWin32Window( Global::window ), (LPARAM)&cData );
+    // WriteLog("Ramka poszla!");
+	CommLog( Now() + " " + std::to_string(r.iComm) + " " + Vehicle->asName + " sent");
+}
+#endif
 
 void
 WyslijObsadzone()

messaging.h

@@ -11,7 +11,11 @@ http://mozilla.org/MPL/2.0/.
 
 #include <string>
 
+#ifdef EU07_USE_OLD_GROUNDCODE
 class TGroundNode;
+#else
+class TDynamicObject;
+#endif
 
 namespace multiplayer {
 
@@ -40,7 +44,11 @@ void Navigate( std::string const &ClassName, UINT Msg, WPARAM wParam, LPARAM lPa
 void WyslijEvent( const std::string &e, const std::string &d );
 void WyslijString( const std::string &t, int n );
 void WyslijWolny( const std::string &t );
+#ifdef EU07_USE_OLD_GROUNDCODE
 void WyslijNamiary( TGroundNode *t );
+#else
+void WyslijNamiary( TDynamicObject const *Vehicle );
+#endif
 void WyslijParam( int nr, int fl );
 void WyslijUszkodzenia( const std::string &t, char fl );
 void WyslijObsadzone(); // -> skladanie wielu pojazdow    

renderer.cpp

@@ -349,6 +349,15 @@ opengl_renderer::Render() {
 void
 opengl_renderer::Render_pass( rendermode const Mode ) {
 
+#ifdef EU07_USE_DEBUG_CAMERA
+    // setup world camera for potential visualization
+    setup_pass(
+        m_worldcamera,
+        rendermode::color,
+        0.f,
+        1.0,
+        true );
+#endif
     setup_pass( m_renderpass, Mode );
     switch( m_renderpass.draw_mode ) {
 
@@ -365,14 +374,6 @@ opengl_renderer::Render_pass( rendermode const Mode ) {
 #endif
                 shadowcamera = m_renderpass.camera; // cache shadow camera placement for visualization
                 setup_pass( m_renderpass, Mode ); // restore draw mode. TBD, TODO: render mode stack
-#ifdef EU07_USE_DEBUG_CAMERA
-                setup_pass(
-                    m_worldcamera,
-                    rendermode::color,
-                    0.f,
-                    1.0,
-                    true );
-#endif
                 // setup shadowmap matrix
                 m_shadowtexturematrix =
                     //bias from [-1, 1] to [0, 1] };
@@ -383,7 +384,6 @@ opengl_renderer::Render_pass( rendermode const Mode ) {
                         glm::mat4{ glm::mat3{ shadowcamera.modelview() } },
                         glm::vec3{ m_renderpass.camera.position() - shadowcamera.position() } );
             }
-
             if( ( true == m_environmentcubetexturesupport )
              && ( true == World.InitPerformed() ) ) {
                 // potentially update environmental cube map
@@ -391,7 +391,6 @@ opengl_renderer::Render_pass( rendermode const Mode ) {
                     setup_pass( m_renderpass, Mode ); // restore draw mode. TBD, TODO: render mode stack
                 }
             }
-
             ::glViewport( 0, 0, Global::iWindowWidth, Global::iWindowHeight );
 
             if( World.InitPerformed() ) {
@@ -420,7 +419,9 @@ opengl_renderer::Render_pass( rendermode const Mode ) {
                     ::glColor4f( 1.f, 0.9f, 0.8f, 1.f );
                     ::glDisable( GL_LIGHTING );
                     ::glDisable( GL_TEXTURE_2D );
+                    if( true == Global::RenderShadows ) {
                         shadowcamera.draw( m_renderpass.camera.position() - shadowcamera.position() );
+                    }
                     if( DebugCameraFlag ) {
                         ::glColor4f( 0.8f, 1.f, 0.9f, 1.f );
                         m_worldcamera.camera.draw( m_renderpass.camera.position() - m_worldcamera.camera.position() );
@@ -1920,7 +1921,7 @@ opengl_renderer::Render( section_sequence::iterator First, section_sequence::ite
                     // render
 #ifdef EU07_USE_DEBUG_CULLING
                     // debug
-                    float const width = scene::EU07_SECTIONSIZE * 0.5f;
+                    float const width = section->m_area.radius;
                     float const height = scene::EU07_SECTIONSIZE * 0.2f;
                     glDisable( GL_LIGHTING );
                     glDisable( GL_TEXTURE_2D );
@@ -2008,11 +2009,10 @@ opengl_renderer::Render( cell_sequence::iterator First, cell_sequence::iterator
     // first pass draws elements which we know are located in section banks, to reduce vbo switching
     while( First != Last ) {
 
-        auto const *cell = First->second;
+        auto *cell = First->second;
-/*
         // przeliczenia animacji torów w sektorze
-    Groundsubcell->RaAnimate( m_framestamp );
+        cell->RaAnimate( m_framestamp );
-*/
+
         switch( m_renderpass.draw_mode ) {
             case rendermode::color: {
                 // since all shapes of the section share center point we can optimize out a few calls here
@@ -2023,7 +2023,7 @@ opengl_renderer::Render( cell_sequence::iterator First, cell_sequence::iterator
                 // render
 #ifdef EU07_USE_DEBUG_CULLING
                 // debug
-                float const width = scene::EU07_CELLSIZE * 0.5f;
+                float const width = cell->m_area.radius;
                 float const height = scene::EU07_CELLSIZE * 0.15f;
                 glDisable( GL_LIGHTING );
                 glDisable( GL_TEXTURE_2D );
@@ -2149,24 +2149,7 @@ opengl_renderer::Render( cell_sequence::iterator First, cell_sequence::iterator
 
 void
 opengl_renderer::Render( scene::shape_node const &Shape, bool const Ignorerange ) {
-/*
+
-    double distancesquared;
-    switch( m_renderpass.draw_mode ) {
-        case rendermode::shadows: {
-            // 'camera' for the light pass is the light source, but we need to draw what the 'real' camera sees
-            distancesquared = SquareMagnitude( ( Node->pCenter - Global::pCameraPosition ) / Global::ZoomFactor ) / Global::fDistanceFactor;
-            break;
-        }
-        default: {
-            distancesquared = SquareMagnitude( ( Node->pCenter - m_renderpass.camera.position() ) / Global::ZoomFactor ) / Global::fDistanceFactor;
-            break;
-        }
-    }
-    if( ( distancesquared <  Node->fSquareMinRadius )
-        || ( distancesquared >= Node->fSquareRadius ) ) {
-        return false;
-    }
-*/
     auto const &data { Shape.data() };
 
     if( false == Ignorerange ) {
@@ -3075,8 +3058,8 @@ opengl_renderer::Render_Alpha( TGroundNode *Node ) {
 
             // render
             m_geometry.draw( Node->Piece->geometry );
-//            ++m_debugstats.lines;
+            ++m_debugstats.lines;
-//            ++m_debugstats.drawcalls;
+            ++m_debugstats.drawcalls;
 
             // post-render cleanup
             ::glPopMatrix();
@@ -3183,8 +3166,9 @@ opengl_renderer::Render_Alpha( cell_sequence::reverse_iterator First, cell_seque
         while( first != Last ) {
 
             auto const *cell = first->second;
-            // TODO: include lines here
+
-            if( false == cell->m_traction.empty() ) {
+            if( ( false == cell->m_traction.empty()
+             || ( false == cell->m_lines.empty() ) ) ) {
                 // since all shapes of the cell share center point we can optimize out a few calls here
                 ::glPushMatrix();
                 auto const originoffset { cell->m_area.center - m_renderpass.camera.position() };
@@ -3196,6 +3180,7 @@ opengl_renderer::Render_Alpha( cell_sequence::reverse_iterator First, cell_seque
                 Bind_Material( null_handle );
                 // render
                 for( auto *traction : cell->m_traction ) { Render_Alpha( traction ); }
+                for( auto &lines : cell->m_lines )       { Render_Alpha( lines ); }
                 // post-render cleanup
                 ::glLineWidth( 1.0 );
                 if( !Global::bSmoothTraction ) {
@@ -3287,6 +3272,48 @@ opengl_renderer::Render_Alpha( TTraction *Traction ) {
     ++m_debugstats.traction;
     ++m_debugstats.drawcalls;
 }
+
+void
+opengl_renderer::Render_Alpha( scene::lines_node const &Lines ) {
+
+    auto const &data { Lines.data() };
+
+    double distancesquared;
+    switch( m_renderpass.draw_mode ) {
+        case rendermode::shadows: {
+            // 'camera' for the light pass is the light source, but we need to draw what the 'real' camera sees
+            distancesquared = SquareMagnitude( ( data.area.center - Global::pCameraPosition ) / Global::ZoomFactor ) / Global::fDistanceFactor;
+            break;
+        }
+        default: {
+            distancesquared = SquareMagnitude( ( data.area.center - m_renderpass.camera.position() ) / Global::ZoomFactor ) / Global::fDistanceFactor;
+            break;
+        }
+    }
+    if( ( distancesquared <  data.rangesquared_min )
+     || ( distancesquared >= data.rangesquared_max ) ) {
+        return;
+    }
+    // setup
+    auto const distance { static_cast<float>( std::sqrt( distancesquared ) ) };
+    auto const linealpha = (
+        data.line_width > 0.f ?
+            10.f * data.line_width
+            / std::max(
+                0.5f * data.area.radius + 1.f,
+                distance - ( 0.5f * data.area.radius ) ) :
+            1.f ); // negative width means the lines are always opague
+    ::glColor4fv(
+        glm::value_ptr(
+            glm::vec4{
+                glm::vec3{ data.lighting.diffuse * Global::DayLight.ambient }, // w zaleznosci od koloru swiatla
+                std::min( 1.f, linealpha ) } ) );
+    ::glLineWidth( clamp( 0.5f * linealpha + data.line_width * data.area.radius / 1000.f, 1.f, 8.f ) );
+    // render
+    m_geometry.draw( data.geometry );
+    ++m_debugstats.lines;
+    ++m_debugstats.drawcalls;
+}
 #endif
 bool
 opengl_renderer::Render_Alpha( TDynamicObject *Dynamic ) {

renderer.h

@@ -340,6 +340,8 @@ private:
         Render_Alpha( TAnimModel *Instance );
     void
         Render_Alpha( TTraction *Traction );
+    void
+        Render_Alpha( scene::lines_node const &Lines );
 #endif
     bool
         Render_Alpha( TDynamicObject *Dynamic );

scene.cpp

@@ -130,6 +130,44 @@ basic_cell::update_traction( TDynamicObject *Vehicle, int const Pantographindex
     }
 }
 
+// legacy method, triggers radio-stop procedure for all vehicles located on paths in the cell
+void
+basic_cell::radio_stop() {
+
+    for( auto *path : m_paths ) {
+        path->RadioStop();
+    }
+}
+
+// legacy method, adds specified path to the list of pieces undergoing state change
+bool
+basic_cell::RaTrackAnimAdd( TTrack *Track ) {
+
+    if( false == m_geometrycreated ) {
+        // nie ma animacji, gdy nie widać
+        return true;
+    }
+    if (tTrackAnim)
+        tTrackAnim->RaAnimListAdd(Track);
+    else
+        tTrackAnim = Track;
+    return false; // będzie animowane...
+}
+
+// legacy method, updates geometry for pieces in the animation list
+void
+basic_cell::RaAnimate( unsigned int const Framestamp ) {
+
+    if( ( tTrackAnim == nullptr )
+     || ( Framestamp == m_framestamp ) ) {
+        // nie ma nic do animowania
+        return;
+    }
+    tTrackAnim = tTrackAnim->RaAnimate(); // przeliczenie animacji kolejnego
+
+    m_framestamp = Framestamp;
+}
+
 // adds provided shape to the cell
 void
 basic_cell::insert( shape_node Shape ) {
@@ -160,15 +198,51 @@ basic_cell::insert( shape_node Shape ) {
     shapes.emplace_back( Shape );
 }
 
+// adds provided lines to the cell
+void
+basic_cell::insert( lines_node Lines ) {
+
+    m_active = true;
+
+    auto const &linesdata { Lines.data() };
+    for( auto &targetlines : m_lines ) {
+        // try to merge shapes with matching view ranges...
+        auto const &targetlinesdata { targetlines.data() };
+        if( ( linesdata.rangesquared_min == targetlinesdata.rangesquared_min )
+         && ( linesdata.rangesquared_max == targetlinesdata.rangesquared_max )
+        // ...and located close to each other (within arbitrary limit of 10m)
+         && ( glm::length( linesdata.area.center - targetlinesdata.area.center ) < 10.0 ) ) {
+
+            if( true == targetlines.merge( Lines ) ) {
+                // if the shape was merged there's nothing left to do
+                return;
+            }
+        }
+    }
+    // otherwise add the shape to the relevant list
+    Lines.origin( m_area.center );
+    m_lines.emplace_back( Lines );
+}
+
 // adds provided path to the cell
 void
 basic_cell::insert( TTrack *Path ) {
 
     m_active = true;
 
-    // TODO: add animation hook
     Path->origin( m_area.center );
     m_paths.emplace_back( Path );
+    // animation hook
+#ifndef EU07_USE_OLD_GROUNDCODE
+    Path->RaOwnerSet( this );
+#endif
+    // re-calculate cell radius, in case track extends outside the cell's boundaries
+    auto endpoints = Path->endpoints();
+    for( auto &endpoint : endpoints ) {
+        m_area.radius = std::max<float>(
+            m_area.radius,
+            glm::length( m_area.center - endpoint ) + 25.f ); // extra margin to prevent driven vehicle from flicking
+    }
 }
 
 // adds provided traction piece to the cell
@@ -179,6 +253,13 @@ basic_cell::insert( TTraction *Traction ) {
 
     Traction->origin( m_area.center );
     m_traction.emplace_back( Traction );
+    // re-calculate cell radius, in case traction piece extends outside the cell's boundaries
+    auto endpoints = Traction->endpoints();
+    for( auto &endpoint : endpoints ) {
+        m_area.radius = std::max<float>(
+            m_area.radius,
+            glm::length( m_area.center - endpoint ) ); // adding arbitrary safety margin
+    }
 }
 
 // adds provided model instance to the cell
@@ -203,6 +284,15 @@ basic_cell::insert( TAnimModel *Instance ) {
         // opaque pieces
         m_instancesopaque.emplace_back( Instance );
     }
+   // re-calculate cell radius, in case model extends outside the cell's boundaries
+    if( Instance->Model() ) {
+        auto const modelradius{ Instance->Model()->bounding_radius() };
+        if( modelradius > 0.f ) {
+            m_area.radius = std::max<float>(
+                m_area.radius,
+                glm::length( m_area.center - Instance->location() ) + modelradius ); // adding arbitrary safety margin
+        }
+    }
 }
 
 // adds provided sound instance to the cell
@@ -251,7 +341,7 @@ basic_cell::register_end( TTraction *Traction ) {
 
 // find a vehicle located nearest to specified point, within specified radius, optionally ignoring vehicles without drivers. reurns: located vehicle and distance
 std::tuple<TDynamicObject *, float>
-basic_cell::find( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled ) {
+basic_cell::find( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled, bool const Findbycoupler ) {
 
     TDynamicObject *vehiclenearest { nullptr };
     float leastdistance { std::numeric_limits<float>::max() };
@@ -264,7 +354,16 @@ basic_cell::find( glm::dvec3 const &Point, float const Radius, bool const Onlyco
              && ( vehicle->Mechanik == nullptr ) ) {
                 continue;
             }
+            if( false == Findbycoupler ) {
+                // basic search, checks vehicles' center points
                 distance = glm::length2( glm::dvec3{ vehicle->GetPosition() } - Point );
+            }
+            else {
+                // alternative search, checks positions of vehicles' couplers
+                distance = std::min(
+                    glm::length2( glm::dvec3{ vehicle->HeadPosition() } - Point ),
+                    glm::length2( glm::dvec3{ vehicle->RearPosition() } - Point ) );
+            }
             if( ( distance > distancecutoff )
              || ( distance > leastdistance ) ){
                 continue;
@@ -372,10 +471,13 @@ basic_cell::create_geometry( geometrybank_handle const &Bank ) {
     for( auto *path : m_paths )              { path->create_geometry( Bank ); }
     for( auto *traction : m_traction )       { traction->create_geometry( Bank ); }
 #endif
+    for( auto &lines : m_lines )             { lines.create_geometry( Bank ); }
     // arrange content by assigned materials to minimize state switching
     std::sort(
         std::begin( m_paths ), std::end( m_paths ),
         TTrack::sort_by_material );
+
+    m_geometrycreated = true; // helper for legacy animation code, get rid of it after refactoring
 }
 
 
@@ -384,11 +486,9 @@ basic_cell::create_geometry( geometrybank_handle const &Bank ) {
 void
 basic_section::update( glm::dvec3 const &Location, float const Radius ) {
 
-    auto const squaredradii { std::pow( ( 0.5 * M_SQRT2 * EU07_CELLSIZE + 0.25 * EU07_CELLSIZE ) + Radius, 2 ) };
-
     for( auto &cell : m_cells ) {
 
-        if( glm::length2( cell.area().center - Location ) < squaredradii ) {
+        if( glm::length2( cell.area().center - Location ) < ( ( cell.area().radius + Radius ) * ( cell.area().radius + Radius ) ) ) {
             // we reject cells which aren't within our area of interest
             cell.update();
         }
@@ -408,16 +508,28 @@ basic_section::update_traction( TDynamicObject *Vehicle, int const Pantographind
     auto const pantographposition = position + ( vLeft * pantograph->vPos.z ) + ( vUp * pantograph->vPos.y ) + ( vFront * pantograph->vPos.x );
 
     auto const radius { 0.0 }; // { EU07_CELLSIZE * 0.5 }; // experimentally limited, check if it has any negative effect
-    auto const squaredradii { std::pow( ( 0.5 * M_SQRT2 * EU07_CELLSIZE + 0.25 * EU07_CELLSIZE ) + radius, 2 ) };
 
     for( auto &cell : m_cells ) {
         // we reject early cells which aren't within our area of interest
-        if( glm::length2( cell.area().center - pantographposition ) < squaredradii ) {
+        if( glm::length2( cell.area().center - pantographposition ) < ( ( cell.area().radius + radius ) * ( cell.area().radius + radius ) ) ) {
             cell.update_traction( Vehicle, Pantographindex );
         }
     }
 }
 
+// legacy method, triggers radio-stop procedure for all vehicles in 2km radius around specified location
+void
+basic_section::radio_stop( glm::dvec3 const &Location, float const Radius ) {
+
+    for( auto &cell : m_cells ) {
+
+        if( glm::length2( cell.area().center - Location ) < ( ( cell.area().radius + Radius ) * ( cell.area().radius + Radius ) ) ) {
+            // we reject cells which aren't within our area of interest
+            cell.radio_stop();
+        }
+    }
+}
+
 // adds provided shape to the section
 void
 basic_section::insert( shape_node Shape ) {
@@ -444,9 +556,16 @@ basic_section::insert( shape_node Shape ) {
     }
 }
 
+// adds provided lines to the section
+void
+basic_section::insert( lines_node Lines ) {
+
+    cell( Lines.data().area.center ).insert( Lines );
+}
+
 // find a vehicle located nearest to specified point, within specified radius, optionally ignoring vehicles without drivers. reurns: located vehicle and distance
 std::tuple<TDynamicObject *, float>
-basic_section::find( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled ) {
+basic_section::find( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled, bool const Findbycoupler ) {
 
     // go through sections within radius of interest, and pick the nearest candidate
     TDynamicObject
@@ -456,14 +575,12 @@ basic_section::find( glm::dvec3 const &Point, float const Radius, bool const Onl
         distancefound,
         distancenearest { std::numeric_limits<float>::max() };
 
-    auto const squaredradii { std::pow( ( 0.5 * M_SQRT2 * EU07_CELLSIZE + 0.25 * EU07_CELLSIZE ) + Radius, 2 ) };
-
     for( auto &cell : m_cells ) {
         // we reject early cells which aren't within our area of interest
-        if( glm::length2( cell.area().center - Point ) > squaredradii ) {
+        if( glm::length2( cell.area().center - Point ) > ( ( cell.area().radius + Radius ) * ( cell.area().radius + Radius ) ) ) {
             continue;
         }
-        std::tie( vehiclefound, distancefound ) = cell.find( Point, Radius, Onlycontrolled );
+        std::tie( vehiclefound, distancefound ) = cell.find( Point, Radius, Onlycontrolled, Findbycoupler );
         if( ( vehiclefound != nullptr )
          && ( distancefound < distancenearest ) ) {
 
@@ -503,11 +620,10 @@ basic_section::find( glm::dvec3 const &Point, TTraction const *Other, int const
         endpointnearest { -1 };
 
     auto const radius { 0.0 }; // { EU07_CELLSIZE * 0.5 }; // experimentally limited, check if it has any negative effect
-    auto const squaredradii { std::pow( ( 0.5 * M_SQRT2 * EU07_CELLSIZE + 0.25 * EU07_CELLSIZE ) + radius, 2 ) };
 
     for( auto &cell : m_cells ) {
         // we reject early cells which aren't within our area of interest
-        if( glm::length2( cell.area().center - Point ) > squaredradii ) {
+        if( glm::length2( cell.area().center - Point ) > ( ( cell.area().radius + radius ) * ( cell.area().radius + radius ) ) ) {
             continue;
         }
         std::tie( tractionfound, endpointfound, distancefound ) = cell.find( Point, Other, Currentdirection );
@@ -618,8 +734,49 @@ basic_region::update_traction( TDynamicObject *Vehicle, int const Pantographinde
     }
 }
 
+// legacy method, links specified path piece with potential neighbours
 void
-basic_region::insert_shape( shape_node Shape, scratch_data &Scratchpad ) {
+basic_region::TrackJoin( TTrack *Track ) {
+    // wyszukiwanie sąsiednich torów do podłączenia (wydzielone na użytek obrotnicy)
+    TTrack *matchingtrack;
+    int endpointid;
+    if( Track->CurrentPrev() == nullptr ) {
+        std::tie( matchingtrack, endpointid ) = find_path( Track->CurrentSegment()->FastGetPoint_0(), Track );
+        switch( endpointid ) {
+            case 0:
+                Track->ConnectPrevPrev( matchingtrack, 0 );
+                break;
+            case 1:
+                Track->ConnectPrevNext( matchingtrack, 1 );
+                break;
+        }
+    }
+    if( Track->CurrentNext() == nullptr ) {
+        std::tie( matchingtrack, endpointid ) = find_path( Track->CurrentSegment()->FastGetPoint_1(), Track );
+        switch( endpointid ) {
+            case 0:
+                Track->ConnectNextPrev( matchingtrack, 0 );
+                break;
+            case 1:
+                Track->ConnectNextNext( matchingtrack, 1 );
+                break;
+        }
+    }
+}
+
+// legacy method, triggers radio-stop procedure for all vehicles in 2km radius around specified location
+void
+basic_region::RadioStop( glm::dvec3 const &Location ) {
+
+    auto const range = 2000.f;
+    auto const &sectionlist = sections( Location, range );
+    for( auto *section : sectionlist ) {
+        section->radio_stop( Location, range );
+    }
+}
+
+void
+basic_region::insert_shape( shape_node Shape, scratch_data &Scratchpad, bool const Transform ) {
 
     // shape might need to be split into smaller pieces, so we create list of nodes instead of just single one
     // using deque so we can do single pass iterating and addding generated pieces without invalidating anything
@@ -628,6 +785,8 @@ basic_region::insert_shape( shape_node Shape, scratch_data &Scratchpad ) {
     if( shape.m_data.vertices.empty() ) { return; }
 
     // adjust input if necessary:
+    if( true == Transform ) {
+        // shapes generated from legacy terrain come with world space coordinates and don't need processing
         if( Scratchpad.location_rotation != glm::vec3( 0, 0, 0 ) ) {
             // rotate...
             auto const rotation = glm::radians( Scratchpad.location_rotation );
@@ -661,6 +820,7 @@ basic_region::insert_shape( shape_node Shape, scratch_data &Scratchpad ) {
             // with the trimming done we can calculate shape's bounding radius
             shape.compute_radius();
         }
+    }
     // move the data into appropriate section(s)
     for( auto &shape : shapes ) {
 
@@ -679,6 +839,50 @@ basic_region::insert_shape( shape_node Shape, scratch_data &Scratchpad ) {
     }
 }
 
+// inserts provided lines in the region
+void
+basic_region::insert_lines( lines_node Lines, scratch_data &Scratchpad ) {
+
+    if( Lines.m_data.vertices.empty() ) { return; }
+    // transform point coordinates if needed
+    if( Scratchpad.location_rotation != glm::vec3( 0, 0, 0 ) ) {
+        // rotate...
+        auto const rotation = glm::radians( Scratchpad.location_rotation );
+        for( auto &vertex : Lines.m_data.vertices ) {
+            vertex.position = glm::rotateZ<double>( vertex.position, rotation.z );
+            vertex.position = glm::rotateX<double>( vertex.position, rotation.x );
+            vertex.position = glm::rotateY<double>( vertex.position, rotation.y );
+        }
+    }
+    if( ( false == Scratchpad.location_offset.empty() )
+     && ( Scratchpad.location_offset.top() != glm::dvec3( 0, 0, 0 ) ) ) {
+        // ...and move
+        auto const offset = Scratchpad.location_offset.top();
+        for( auto &vertex : Lines.m_data.vertices ) {
+            vertex.position += offset;
+        }
+    }
+    // calculate bounding area
+    for( auto const &vertex : Lines.m_data.vertices ) {
+        Lines.m_data.area.center += vertex.position;
+    }
+    Lines.m_data.area.center /= Lines.m_data.vertices.size();
+    Lines.compute_radius();
+    // move the data into appropriate section
+    if( point_inside( Lines.m_data.area.center ) ) {
+        // NOTE: nodes placed outside of region boundaries are discarded
+        section( Lines.m_data.area.center ).insert( Lines );
+    }
+    else {
+        ErrorLog(
+            "Bad scenario: lines node" + (
+                Lines.m_name.empty() ?
+                    "" :
+                    " \"" + Lines.m_name + "\"" )
+            + " placed in location outside region bounds (" + to_string( Lines.m_data.area.center ) + ")" );
+    }
+}
+
 // inserts provided track in the region
 void
 basic_region::insert_path( TTrack *Path, scratch_data &Scratchpad ) {
@@ -776,7 +980,7 @@ basic_region::insert_launcher( TEventLauncher *Launcher, scratch_data &Scratchpa
 
 // find a vehicle located neares to specified location, within specified radius, optionally discarding vehicles without drivers
 std::tuple<TDynamicObject *, float>
-basic_region::find_vehicle( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled ) {
+basic_region::find_vehicle( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled, bool const Findbycoupler ) {
 
     auto const &sectionlist = sections( Point, Radius );
     // go through sections within radius of interest, and pick the nearest candidate
@@ -788,7 +992,7 @@ basic_region::find_vehicle( glm::dvec3 const &Point, float const Radius, bool co
         nearestdistance { std::numeric_limits<float>::max() };
 
     for( auto *section : sectionlist ) {
-        std::tie( foundvehicle, founddistance ) = section->find( Point, Radius, Onlycontrolled );
+        std::tie( foundvehicle, founddistance ) = section->find( Point, Radius, Onlycontrolled, Findbycoupler );
         if( ( foundvehicle != nullptr )
          && ( founddistance < nearestdistance ) ) {
 

scene.h

@@ -61,9 +61,21 @@ public:
     // legacy method, finds and assigns traction piece to specified pantograph of provided vehicle
     void
         update_traction( TDynamicObject *Vehicle, int const Pantographindex );
+    // legacy method, triggers radio-stop procedure for all vehicles located on paths in the cell
+    void
+        radio_stop();
+    // legacy method, adds specified path to the list of pieces undergoing state change
+    bool
+        RaTrackAnimAdd( TTrack *Track );
+    // legacy method, updates geometry for pieces in the animation list
+    void
+        RaAnimate( unsigned int const Framestamp );
     // adds provided shape to the cell
     void
         insert( shape_node Shape );
+    // adds provided lines to the cell
+    void
+        insert( lines_node Lines );
     // adds provided path to the cell
     void
         insert( TTrack *Path );
@@ -85,9 +97,9 @@ public:
     // registers provided traction piece in the lookup directory of the cell
     void
         register_end( TTraction *Traction );
-    // find a vehicle located nearest to specified point, within specified radius, optionally ignoring vehicles without drivers. reurns: located vehicle and distance
+    // find a vehicle located nearest to specified point, within specified radius. reurns: located vehicle and distance
     std::tuple<TDynamicObject *, float>
-        find( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled );
+        find( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled, bool const Findbycoupler );
     // finds a path with one of its ends located in specified point. returns: located path and id of the matching endpoint
     std::tuple<TTrack *, int>
         find( glm::dvec3 const &Point, TTrack const *Exclude );
@@ -111,19 +123,19 @@ public:
 private:
 // types
     using shapenode_sequence = std::vector<shape_node>;
+    using linesnode_sequence = std::vector<lines_node>;
     using path_sequence = std::vector<TTrack *>;
-//    using path_set = std::unordered_set<TTrack *>;
     using traction_sequence = std::vector<TTraction *>;
-//    using traction_set = std::unordered_set<TTraction *>;
     using instance_sequence = std::vector<TAnimModel *>;
     using sound_sequence = std::vector<TTextSound *>;
     using eventlauncher_sequence = std::vector<TEventLauncher *>;
 // members
-    scene::bounding_area m_area { glm::dvec3(), static_cast<float>( 0.5 * M_SQRT2 * EU07_CELLSIZE + 0.25 * EU07_CELLSIZE ) };
+    scene::bounding_area m_area { glm::dvec3(), static_cast<float>( 0.5 * M_SQRT2 * EU07_CELLSIZE ) };
     bool m_active { false }; // whether the cell holds any actual data
     // content
     shapenode_sequence m_shapesopaque; // opaque pieces of geometry
     shapenode_sequence m_shapestranslucent; // translucent pieces of geometry
+    linesnode_sequence m_lines;
     path_sequence m_paths; // path pieces
     instance_sequence m_instancesopaque;
     instance_sequence m_instancetranslucent;
@@ -135,6 +147,10 @@ private:
         path_sequence paths;
         traction_sequence traction;
     } m_directories;
+    // animation of owned items (legacy code, clean up along with track refactoring)
+    bool m_geometrycreated { false };
+    unsigned int m_framestamp { 0 }; // id of last rendered gfx frame
+    TTrack *tTrackAnim = nullptr; // obiekty do przeliczenia animacji
 };
 
 // basic scene partitioning structure, holds terrain geometry and collection of cells
@@ -150,22 +166,33 @@ public:
     // legacy method, finds and assigns traction piece to specified pantograph of provided vehicle
     void
         update_traction( TDynamicObject *Vehicle, int const Pantographindex );
+    // legacy method, triggers radio-stop procedure for all vehicles in 2km radius around specified location
+    void
+        radio_stop( glm::dvec3 const &Location, float const Radius );
     // adds provided shape to the section
     void
         insert( shape_node Shape );
+    // adds provided lines to the section
+    void
+        insert( lines_node Lines );
     // adds provided node to the section
     template <class Type_>
     void
         insert( Type_ *Node ) {
-            cell( Node->location() ).insert( Node ); }
+            auto &targetcell { cell( Node->location() ) };
+            targetcell.insert( Node );
+            // some node types can extend bounding area of the target cell
+            m_area.radius = std::max<float>(
+                m_area.radius,
+                glm::length( m_area.center - targetcell.area().center ) + targetcell.area().radius ); }
     // registers provided node in the lookup directory of the section enclosing specified point
     template <class Type_>
     void
         register_node( Type_ *Node, glm::dvec3 const &Point ) {
             cell( Point ).register_end( Node ); }
-    // find a vehicle located nearest to specified point, within specified radius, optionally ignoring vehicles without drivers. reurns: located vehicle and distance
+    // find a vehicle located nearest to specified point, within specified radius. reurns: located vehicle and distance
     std::tuple<TDynamicObject *, float>
-        find( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled );
+        find( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled, bool const Findbycoupler );
     // finds a path with one of its ends located in specified point. returns: located path and id of the matching endpoint
     std::tuple<TTrack *, int>
         find( glm::dvec3 const &Point, TTrack const *Exclude );
@@ -223,9 +250,18 @@ public:
     // legacy method, finds and assigns traction piece to specified pantograph of provided vehicle
     void
         update_traction( TDynamicObject *Vehicle, int const Pantographindex );
+    // legacy method, links specified path piece with potential neighbours
+    void
+        TrackJoin( TTrack *Track );
+    // legacy method, triggers radio-stop procedure for all vehicles in 2km radius around specified location
+    void
+        RadioStop( glm::dvec3 const &Location );
     // inserts provided shape in the region
     void
-        insert_shape( shape_node Shape, scratch_data &Scratchpad );
+        insert_shape( shape_node Shape, scratch_data &Scratchpad, bool const Transform );
+    // inserts provided lines in the region
+    void
+        insert_lines( lines_node Lines, scratch_data &Scratchpad );
     // inserts provided track in the region
     void
         insert_path( TTrack *Path, scratch_data &Scratchpad );
@@ -241,9 +277,9 @@ public:
     // inserts provided event launcher in the region
     void
         insert_launcher( TEventLauncher *Launcher, scratch_data &Scratchpad );
-    // find a vehicle located nearest to specified point, within specified radius, optionally ignoring vehicles without drivers. reurns: located vehicle and distance
+    // find a vehicle located nearest to specified point, within specified radius. reurns: located vehicle and distance
     std::tuple<TDynamicObject *, float>
-        find_vehicle( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled );
+        find_vehicle( glm::dvec3 const &Point, float const Radius, bool const Onlycontrolled, bool const Findbycoupler );
     // finds a path with one of its ends located in specified point. returns: located path and id of the matching endpoint
     std::tuple<TTrack *, int>
         find_path( glm::dvec3 const &Point, TTrack const *Exclude );

scenenode.cpp

@@ -207,6 +207,65 @@ shape_node::deserialize( cParser &Input, scene::node_data const &Nodedata ) {
     return *this;
 }
 
+// imports data from provided submodel
+shape_node &
+shape_node::convert( TSubModel const *Submodel ) {
+
+    m_name = Submodel->pName;
+    m_data.lighting.ambient = Submodel->f4Ambient;
+    m_data.lighting.diffuse = Submodel->f4Diffuse;
+    m_data.lighting.specular = Submodel->f4Specular;
+    m_data.material = Submodel->m_material;
+    m_data.translucent = ( true == GfxRenderer.Material( m_data.material ).has_alpha );
+    // NOTE: we set unlimited view range typical for terrain, because we don't expect to convert any other 3d models
+    m_data.rangesquared_max = std::numeric_limits<double>::max();
+
+    if( Submodel->m_geometry == null_handle ) { return *this; }
+
+    int vertexcount { 0 };
+    std::vector<world_vertex> importedvertices;
+    world_vertex vertex, vertex1, vertex2;
+    for( auto const &sourcevertex : GfxRenderer.Vertices( Submodel->m_geometry ) ) {
+        vertex.position = sourcevertex.position;
+        vertex.normal   = sourcevertex.normal;
+        vertex.texture  = sourcevertex.texture;
+             if( vertexcount == 0 ) { vertex1 = vertex; }
+        else if( vertexcount == 1 ) { vertex2 = vertex; }
+        else if( vertexcount >= 2 ) {
+            if( false == degenerate( vertex1.position, vertex2.position, vertex.position ) ) {
+                importedvertices.emplace_back( vertex1 );
+                importedvertices.emplace_back( vertex2 );
+                importedvertices.emplace_back( vertex );
+            }
+            // start a new triangle
+            vertexcount = -1;
+        }
+        ++vertexcount;
+    }
+
+    if( true == importedvertices.empty() ) { return *this; }
+
+    // assign imported geometry to the node...
+    m_data.vertices.swap( importedvertices );
+    // ...and calculate center...
+    for( auto const &vertex : m_data.vertices ) {
+        m_data.area.center += vertex.position;
+    }
+    m_data.area.center /= m_data.vertices.size();
+    // ...and bounding area
+    double squareradius { 0.0 };
+    for( auto const &vertex : m_data.vertices ) {
+        squareradius = std::max(
+            squareradius,
+            glm::length2( vertex.position - m_data.area.center ) );
+    }
+    m_data.area.radius = std::max<float>(
+        m_data.area.radius,
+        std::sqrt( squareradius ) );
+
+    return *this;
+}
+
 // adds content of provided node to already enclosed geometry. returns: true if merge could be performed
 bool
 shape_node::merge( shape_node &Shape ) {
@@ -260,6 +319,151 @@ shape_node::compute_radius() {
 }
 
 
+
+// restores content of the node from provded input stream
+lines_node &
+lines_node::deserialize( cParser &Input, scene::node_data const &Nodedata ) {
+
+    // import common data
+    m_name = Nodedata.name;
+    m_data.rangesquared_min = Nodedata.range_min * Nodedata.range_min;
+    m_data.rangesquared_max = (
+        Nodedata.range_max >= 0.0 ?
+            Nodedata.range_max * Nodedata.range_max :
+            std::numeric_limits<double>::max() );
+
+    // material
+    Input.getTokens( 3, false );
+    Input
+        >> m_data.lighting.diffuse.r
+        >> m_data.lighting.diffuse.g
+        >> m_data.lighting.diffuse.b;
+    m_data.lighting.diffuse /= 255.f;
+    m_data.lighting.diffuse.a = 1.f;
+    Input.getTokens( 1, false );
+    Input
+        >> m_data.line_width;
+    m_data.line_width = std::min( 30.f, m_data.line_width ); // 30 pix equals rougly width of a signal pole viewed from ~1m away
+
+    // geometry
+    enum subtype {
+        lines,
+        line_strip,
+        line_loop
+    } const nodetype = (
+        Nodedata.type == "lines" ?      lines :
+        Nodedata.type == "line_strip" ? line_strip :
+                                        line_loop );
+    std::size_t vertexcount { 0 };
+    world_vertex vertex, vertex0, vertex1;
+    std::string token = Input.getToken<std::string>();
+    do {
+        vertex.position.x = std::atof( token.c_str() );
+        Input.getTokens( 2, false );
+        Input
+            >> vertex.position.y
+            >> vertex.position.z;
+            // convert all data to gl_lines to allow data merge for matching nodes
+            switch( nodetype ) {
+                case lines: {
+                    m_data.vertices.emplace_back( vertex );
+                    break;
+                }
+                case line_strip: {
+                    if( vertexcount > 0 ) {
+                        m_data.vertices.emplace_back( vertex1 );
+                        m_data.vertices.emplace_back( vertex );
+                    }
+                    vertex1 = vertex;
+                    ++vertexcount;
+                    break;
+                }
+                case line_loop: {
+                    if( vertexcount == 0 ) {
+                        vertex0 = vertex;
+                        vertex1 = vertex;
+                    }
+                    else {
+                        m_data.vertices.emplace_back( vertex1 );
+                        m_data.vertices.emplace_back( vertex );
+                    }
+                    vertex1 = vertex;
+                    ++vertexcount;
+                    break;
+                }
+                default: { break; }
+            }
+        token = Input.getToken<std::string>();
+
+    } while( token != "endline" );
+    // add closing line for the loop
+    if( ( nodetype == line_loop )
+     && ( vertexcount > 2 ) ) {
+        m_data.vertices.emplace_back( vertex1 );
+        m_data.vertices.emplace_back( vertex0 );
+    }
+    if( m_data.vertices.size() % 2 != 0 ) {
+        ErrorLog( "Lines node specified odd number of vertices, encountered in file \"" + Input.Name() + "\" (line " + std::to_string( Input.Line() - 1 ) + ")" );
+        m_data.vertices.pop_back();
+    }
+
+    return *this;
+}
+
+// adds content of provided node to already enclosed geometry. returns: true if merge could be performed
+bool
+lines_node::merge( lines_node &Lines ) {
+
+    if( ( m_data.line_width != Lines.m_data.line_width )
+     || ( m_data.lighting != Lines.m_data.lighting ) ) {
+        // can't merge nodes with different appearance
+        return false;
+    }
+    // add geometry from provided node
+    m_data.area.center =
+        interpolate(
+            m_data.area.center, Lines.m_data.area.center,
+            static_cast<float>( Lines.m_data.vertices.size() ) / ( Lines.m_data.vertices.size() + m_data.vertices.size() ) );
+    m_data.vertices.insert(
+        std::end( m_data.vertices ),
+        std::begin( Lines.m_data.vertices ), std::end( Lines.m_data.vertices ) );
+    // NOTE: we could recalculate radius with something other than brute force, but it'll do
+    compute_radius();
+
+    return true;
+}
+
+// generates renderable version of held non-instanced geometry in specified geometry bank
+void
+lines_node::create_geometry( geometrybank_handle const &Bank ) {
+
+    vertex_array vertices; vertices.reserve( m_data.vertices.size() );
+
+    for( auto const &vertex : m_data.vertices ) {
+        vertices.emplace_back(
+            vertex.position - m_data.origin,
+            vertex.normal,
+            vertex.texture );
+    }
+    m_data.geometry = GfxRenderer.Insert( vertices, Bank, GL_LINES );
+    std::vector<world_vertex>().swap( m_data.vertices ); // hipster shrink_to_fit
+}
+
+// calculates node's bounding radius
+void
+lines_node::compute_radius() {
+
+    auto squaredradius { 0.0 };
+    for( auto const &vertex : m_data.vertices ) {
+        squaredradius = std::max(
+            squaredradius,
+            glm::length2( vertex.position - m_data.area.center ) );
+    }
+    m_data.area.radius = static_cast<float>( std::sqrt( squaredradius ) );
+}
+
+
+
 /*
 memory_node &
 memory_node::deserialize( cParser &Input, node_data const &Nodedata ) {
@@ -279,6 +483,8 @@ memory_node::deserialize( cParser &Input, node_data const &Nodedata ) {
 */
 } // scene
 
+
+
 namespace editor {
 
 basic_node::basic_node( scene::node_data const &Nodedata ) :

scenenode.h

@@ -15,6 +15,7 @@ http://mozilla.org/MPL/2.0/.
 #include "vertex.h"
 #include "openglgeometrybank.h"
 #include "parser.h"
+#include "model3d.h"
 
 struct lighting_data {
 
@@ -104,6 +105,9 @@ public:
     // restores content of the node from provded input stream
     shape_node &
         deserialize( cParser &Input, scene::node_data const &Nodedata );
+    // imports data from provided submodel
+    shape_node &
+        convert( TSubModel const *Submodel );
     // adds content of provided node to already enclosed geometry. returns: true if merge could be performed
     bool
         merge( shape_node &Shape );
@@ -132,6 +136,59 @@ private:
     shapenode_data m_data;
 };
 
+// holds a group of untextured lines
+class lines_node {
+
+    friend class basic_region; // region might want to modify node content when it's being inserted
+
+public:
+// types
+    struct linesnode_data {
+        // placement and visibility
+        scene::bounding_area area; // bounding area, in world coordinates
+        bool visible { true }; // visibility flag
+        double rangesquared_min { 0.0 }; // visibility range, min
+        double rangesquared_max { 0.0 }; // visibility range, max
+        // material data
+        lighting_data lighting;
+        float line_width; // thickness of stored lines
+        // geometry data
+        std::vector<world_vertex> vertices; // world space source data of the geometry
+        glm::dvec3 origin; // world position of the relative coordinate system origin
+        geometry_handle geometry { 0, 0 }; // relative origin-centered chunk of geometry held by gfx renderer
+    };
+
+// methods
+    // restores content of the node from provded input stream
+    lines_node &
+        deserialize( cParser &Input, scene::node_data const &Nodedata );
+    // adds content of provided node to already enclosed geometry. returns: true if merge could be performed
+    bool
+        merge( lines_node &Lines );
+    // generates renderable version of held non-instanced geometry in specified geometry bank
+    void
+        create_geometry( geometrybank_handle const &Bank );
+    // calculates shape's bounding radius
+    void
+        compute_radius();
+    // set visibility
+    void
+        visible( bool State ) {
+            m_data.visible = State; }
+    // set origin point
+    void
+        origin( glm::dvec3 Origin ) {
+            m_data.origin = Origin; }
+    // data access
+    linesnode_data const &
+        data() const {
+            return m_data; }
+
+private:
+// members
+    std::string m_name;
+    linesnode_data m_data;
+};
 
 /*
 // holds geometry for specific piece of track/road/waterway

simulation.cpp

@@ -352,7 +352,29 @@ state_manager::deserialize_node( cParser &Input, scene::scratch_data &Scratchpad
 
         if( nodedata.range_min < 0.0 ) {
             // convert and import 3d terrain
-            // TODO: implement this
+            auto *instance { deserialize_model( Input, Scratchpad, nodedata ) };
+            // model import can potentially fail
+            if( instance == nullptr ) { return; }
+            // go through submodels, and import them as shapes
+            auto const cellcount = instance->TerrainCount() + 1; // zliczenie submodeli
+            for( auto i = 1; i < cellcount; ++i ) {
+                auto *submodel = instance->TerrainSquare( i - 1 );
+                simulation::Region->insert_shape(
+                    scene::shape_node().convert( submodel ),
+                    Scratchpad,
+                    false );
+                // if there's more than one group of triangles in the cell they're held as children of the primary submodel
+                submodel = submodel->ChildGet();
+                while( submodel != nullptr ) {
+                    simulation::Region->insert_shape(
+                        scene::shape_node().convert( submodel ),
+                        Scratchpad,
+                        false );
+                    submodel = submodel->NextGet();
+                }
+            }
+            // with the import done we can get rid of the source model
+            delete instance;
         }
         else {
             // regular instance of 3d mesh
@@ -372,14 +394,20 @@ state_manager::deserialize_node( cParser &Input, scene::scratch_data &Scratchpad
           || ( nodedata.type == "triangle_strip" )
           || ( nodedata.type == "triangle_fan" ) ) {
 
-        simulation::Region->insert_shape( scene::shape_node().deserialize( Input, nodedata ), Scratchpad );
+        simulation::Region->insert_shape(
+            scene::shape_node().deserialize(
+                Input, nodedata ),
+            Scratchpad,
+            true );
     }
     else if( ( nodedata.type == "lines" )
           || ( nodedata.type == "line_strip" )
           || ( nodedata.type == "line_loop" ) ) {
 
-        // TODO: implement
+        simulation::Region->insert_lines(
-        skip_until( Input, "endline" );
+            scene::lines_node().deserialize(
+                Input, nodedata ),
+            Scratchpad );
     }
     else if( nodedata.type == "memcell" ) {