diff --git a/src/graphics/engine/camera.cpp b/src/graphics/engine/camera.cpp

index 461f46a..1244f7d 100644

--- a/src/graphics/engine/camera.cpp

+++ b/src/graphics/engine/camera.cpp

@@ -59,14 +59,14 @@ static void SetTransparency(CObject* obj, float value)

     if (obj->Implements(ObjectInterfaceType::Carrier))

     {

-        CObject* cargo = dynamic_cast<CCarrierObject*>(obj)->GetCargo();

+        CObject* cargo = dynamic_cast<CCarrierObject&>(*obj).GetCargo();

         if (cargo != nullptr)

             cargo->SetTransparency(value);

     }

     if (obj->Implements(ObjectInterfaceType::Powered))

     {

-        CObject* power = dynamic_cast<CPoweredObject*>(obj)->GetPower();

+        CObject* power = dynamic_cast<CPoweredObject&>(*obj).GetPower();

         if (power != nullptr)

             power->SetTransparency(value);

     }

@@ -1233,7 +1233,7 @@ bool CCamera::EventFrameBack(const Event &event)

         bool ground = true;

         if (m_cameraObj->Implements(ObjectInterfaceType::Movable))

-            ground = dynamic_cast<CMovableObject*>(m_cameraObj)->GetPhysics()->GetLand();

+            ground = dynamic_cast<CMovableObject&>(*m_cameraObj).GetPhysics()->GetLand();

         if ( ground )  // ground?

         {

             Math::Vector pos = lookatPt + (lookatPt - m_eyePt);

@@ -1326,7 +1326,7 @@ bool CCamera::EventFrameOnBoard(const Event &event)

     {

         assert(m_cameraObj->Implements(ObjectInterfaceType::Controllable));

         Math::Vector lookatPt, upVec;

-        dynamic_cast<CControllableObject*>(m_cameraObj)->AdjustCamera(m_eyePt, m_directionH, m_directionV, lookatPt, upVec, m_type);

+        dynamic_cast<CControllableObject&>(*m_cameraObj).AdjustCamera(m_eyePt, m_directionH, m_directionV, lookatPt, upVec, m_type);

         Math::Vector eye    = m_effectOffset * 0.3f + m_eyePt;

         Math::Vector lookat = m_effectOffset * 0.3f + lookatPt;

diff --git a/src/object/interface/carrier_object.h b/src/object/interface/carrier_object.h

index b534fd4..a8510b6 100644

--- a/src/object/interface/carrier_object.h

+++ b/src/object/interface/carrier_object.h

@@ -51,5 +51,5 @@ public:

 inline bool IsObjectCarryingCargo(CObject* obj)

 {

     return obj->Implements(ObjectInterfaceType::Carrier) &&

-           dynamic_cast<CCarrierObject*>(obj)->IsCarryingCargo();

+           dynamic_cast<CCarrierObject&>(*obj).IsCarryingCargo();

 }

diff --git a/src/object/interface/powered_object.h b/src/object/interface/powered_object.h

index 54b6dd1..1216eda 100644

--- a/src/object/interface/powered_object.h

+++ b/src/object/interface/powered_object.h

@@ -61,10 +61,10 @@ inline float GetObjectEnergy(CObject* object)

     if (object->Implements(ObjectInterfaceType::Powered))

     {

-        CObject* power = dynamic_cast<CPoweredObject*>(object)->GetPower();

+        CObject* power = dynamic_cast<CPoweredObject&>(*object).GetPower();

         if (power != nullptr && power->Implements(ObjectInterfaceType::PowerContainer))

         {

-            energy = dynamic_cast<CPowerContainerObject*>(power)->GetEnergy();

+            energy = dynamic_cast<CPowerContainerObject&>(*power).GetEnergy();

         }

     }

@@ -77,10 +77,10 @@ inline float GetObjectEnergyLevel(CObject* object)

     if (object->Implements(ObjectInterfaceType::Powered))

     {

-        CObject* power = dynamic_cast<CPoweredObject*>(object)->GetPower();

+        CObject* power = dynamic_cast<CPoweredObject&>(*object).GetPower();

         if (power != nullptr && power->Implements(ObjectInterfaceType::PowerContainer))

         {

-            energy = dynamic_cast<CPowerContainerObject*>(power)->GetEnergyLevel();

+            energy = dynamic_cast<CPowerContainerObject&>(*power).GetEnergyLevel();

         }

     }

@@ -90,5 +90,5 @@ inline float GetObjectEnergyLevel(CObject* object)

 inline bool ObjectHasPowerCell(CObject* object)

 {

     return object->Implements(ObjectInterfaceType::Powered) &&

-           dynamic_cast<CPoweredObject*>(object)->GetPower() != nullptr;

+           dynamic_cast<CPoweredObject&>(*object).GetPower() != nullptr;

 }

diff --git a/src/object/interface/transportable_object.h b/src/object/interface/transportable_object.h

index 2d0f90f..1ad95d0 100644

--- a/src/object/interface/transportable_object.h

+++ b/src/object/interface/transportable_object.h

@@ -54,5 +54,5 @@ public:

 inline bool IsObjectBeingTransported(CObject* obj)

 {

     return obj->Implements(ObjectInterfaceType::Transportable) &&

-           dynamic_cast<CTransportableObject*>(obj)->IsBeingTransported();

+           dynamic_cast<CTransportableObject&>(*obj).IsBeingTransported();

 }

diff --git a/src/graphics/engine/lightning.cpp b/src/graphics/engine/lightning.cpp

index 9c1a64b..eab99a4 100644

--- a/src/graphics/engine/lightning.cpp

+++ b/src/graphics/engine/lightning.cpp

@@ -323,7 +323,7 @@ CObject* CLightning::SearchObject(Math::Vector pos)

         if (!obj->Implements(ObjectInterfaceType::Destroyable)) continue;

-        float detect = m_magnetic * dynamic_cast<CDestroyableObject*>(obj)->GetLightningHitProbability();

+        float detect = m_magnetic * dynamic_cast<CDestroyableObject&>(*obj).GetLightningHitProbability();

         if (detect == 0.0f) continue;

         Math::Vector oPos = obj->GetPosition();

diff --git a/src/graphics/engine/particle.cpp b/src/graphics/engine/particle.cpp

index 5c6d169..0a7fa9b 100644

--- a/src/graphics/engine/particle.cpp

+++ b/src/graphics/engine/particle.cpp

@@ -954,7 +954,7 @@ void CParticle::FrameParticle(float rTime)

             m_particle[i].goal = m_particle[i].pos;

             if (object != nullptr && object->Implements(ObjectInterfaceType::Damageable))

             {

-                dynamic_cast<CDamageableObject*>(object)->DamageObject(DamageType::Phazer, 0.002f, m_particle[i].objFather);

+                dynamic_cast<CDamageableObject&>(*object).DamageObject(DamageType::Phazer, 0.002f, m_particle[i].objFather);

             }

             m_particle[i].zoom = 1.0f-(m_particle[i].time-m_particle[i].duration);

@@ -1157,7 +1157,7 @@ void CParticle::FrameParticle(float rTime)

                 {

                     if (object->Implements(ObjectInterfaceType::Damageable))

                     {

-                        dynamic_cast<CDamageableObject*>(object)->DamageObject(DamageType::Fire, 0.001f, m_particle[i].objFather);

+                        dynamic_cast<CDamageableObject&>(*object).DamageObject(DamageType::Fire, 0.001f, m_particle[i].objFather);

                     }

                     m_exploGunCounter++;

@@ -1223,7 +1223,7 @@ void CParticle::FrameParticle(float rTime)

                 m_particle[i].goal = m_particle[i].pos;

                 if (object != nullptr)

                 {

-                    if (object->GetType() == OBJECT_MOBILErs && dynamic_cast<CShielder*>(object)->GetActiveShieldRadius() > 0.0f)  // protected by shield?

+                    if (object->GetType() == OBJECT_MOBILErs && dynamic_cast<CShielder&>(*object).GetActiveShieldRadius() > 0.0f)  // protected by shield?

                     {

                         CreateParticle(m_particle[i].pos, Math::Vector(0.0f, 0.0f, 0.0f), Math::Point(6.0f, 6.0f), PARTIGUNDEL, 2.0f);

                         if (m_lastTimeGunDel > 0.2f)

@@ -1241,7 +1241,7 @@ void CParticle::FrameParticle(float rTime)

                         if (object->Implements(ObjectInterfaceType::Damageable))

                         {

-                            dynamic_cast<CDamageableObject*>(object)->DamageObject(DamageType::Organic, 0.1f, m_particle[i].objFather);  // starts explosion

+                            dynamic_cast<CDamageableObject&>(*object).DamageObject(DamageType::Organic, 0.1f, m_particle[i].objFather);  // starts explosion

                         }

                     }

                 }

@@ -1271,7 +1271,7 @@ void CParticle::FrameParticle(float rTime)

                 m_particle[i].goal = m_particle[i].pos;

                 if (object != nullptr)

                 {

-                    if (object->GetType() == OBJECT_MOBILErs && dynamic_cast<CShielder*>(object)->GetActiveShieldRadius() > 0.0f)

+                    if (object->GetType() == OBJECT_MOBILErs && dynamic_cast<CShielder&>(*object).GetActiveShieldRadius() > 0.0f)

                     {

                         CreateParticle(m_particle[i].pos, Math::Vector(0.0f, 0.0f, 0.0f), Math::Point(6.0f, 6.0f), PARTIGUNDEL, 2.0f);

                         if (m_lastTimeGunDel > 0.2f)

@@ -1286,7 +1286,7 @@ void CParticle::FrameParticle(float rTime)

                     {

                         if (object->Implements(ObjectInterfaceType::Damageable))

                         {

-                            dynamic_cast<CDamageableObject*>(object)->DamageObject(DamageType::Fire, std::numeric_limits<float>::infinity(), m_particle[i].objFather);  // starts explosion

+                            dynamic_cast<CDamageableObject&>(*object).DamageObject(DamageType::Fire, std::numeric_limits<float>::infinity(), m_particle[i].objFather);  // starts explosion

                         }

                     }

                 }

@@ -1345,7 +1345,7 @@ void CParticle::FrameParticle(float rTime)

                 {

                     if (object->Implements(ObjectInterfaceType::Damageable))

                     {

-                        dynamic_cast<CDamageableObject*>(object)->DamageObject(DamageType::Organic, 0.001f, m_particle[i].objFather);

+                        dynamic_cast<CDamageableObject&>(*object).DamageObject(DamageType::Organic, 0.001f, m_particle[i].objFather);

                     }

                     m_exploGunCounter ++;

@@ -2423,7 +2423,7 @@ void CParticle::FrameParticle(float rTime)

                 if (object != nullptr)

                 {

                     assert(object->Implements(ObjectInterfaceType::Damageable));

-                    dynamic_cast<CDamageableObject*>(object)->DamageObject(DamageType::Tower, std::numeric_limits<float>::infinity(), m_particle[i].objFather);

+                    dynamic_cast<CDamageableObject&>(*object).DamageObject(DamageType::Tower, std::numeric_limits<float>::infinity(), m_particle[i].objFather);

                 }

             }

diff --git a/src/graphics/engine/pyro.cpp b/src/graphics/engine/pyro.cpp

index 6eedf85..2fab0b1 100644

--- a/src/graphics/engine/pyro.cpp

+++ b/src/graphics/engine/pyro.cpp

@@ -129,7 +129,7 @@ bool CPyro::Create(PyroType type, CObject* obj, float force)

     CObject* power = nullptr;

     if (obj->Implements(ObjectInterfaceType::Powered))

-        power = dynamic_cast<CPoweredObject*>(obj)->GetPower();

+        power = dynamic_cast<CPoweredObject&>(*obj).GetPower();

     if (power == nullptr)

     {

@@ -256,7 +256,7 @@ bool CPyro::Create(PyroType type, CObject* obj, float force)

             m_sound->Play(SOUND_DEADw, m_pos);

         }

         assert(m_object->Implements(ObjectInterfaceType::Controllable));

-        if ( type == PT_SHOTH && dynamic_cast<CControllableObject*>(m_object)->GetSelect() )

+        if ( type == PT_SHOTH && dynamic_cast<CControllableObject&>(*m_object).GetSelect() )

         {

             m_sound->Play(SOUND_AIE, m_pos);

             m_sound->Play(SOUND_AIE, m_engine->GetEyePt());

@@ -273,10 +273,10 @@ bool CPyro::Create(PyroType type, CObject* obj, float force)

     if ( m_type == PT_DEADG )

     {

         assert(m_object->Implements(ObjectInterfaceType::Destroyable));

-        dynamic_cast<CDestroyableObject*>(m_object)->SetDying(DeathType::Dead);

+        dynamic_cast<CDestroyableObject&>(*m_object).SetDying(DeathType::Dead);

         assert(obj->Implements(ObjectInterfaceType::Movable));

-        dynamic_cast<CMovableObject*>(obj)->GetMotion()->SetAction(MHS_DEADg, 1.0f);

+        dynamic_cast<CMovableObject&>(*obj).GetMotion()->SetAction(MHS_DEADg, 1.0f);

         m_camera->StartCentering(m_object, Math::PI*0.5f, 99.9f, 0.0f, 1.5f);

         m_camera->StartOver(CAM_OVER_EFFECT_FADEOUT_WHITE, m_pos, 1.0f);

@@ -286,10 +286,10 @@ bool CPyro::Create(PyroType type, CObject* obj, float force)

     if ( m_type == PT_DEADW )

     {

         assert(m_object->Implements(ObjectInterfaceType::Destroyable));

-        dynamic_cast<CDestroyableObject*>(m_object)->SetDying(DeathType::Dead);

+        dynamic_cast<CDestroyableObject&>(*m_object).SetDying(DeathType::Dead);

         assert(obj->Implements(ObjectInterfaceType::Movable));

-        dynamic_cast<CMovableObject*>(obj)->GetMotion()->SetAction(MHS_DEADw, 1.0f);

+        dynamic_cast<CMovableObject&>(*obj).GetMotion()->SetAction(MHS_DEADw, 1.0f);

         m_camera->StartCentering(m_object, Math::PI*0.5f, 99.9f, 0.0f, 3.0f);

         m_camera->StartOver(CAM_OVER_EFFECT_FADEOUT_BLACK, m_pos, 1.0f);

@@ -307,7 +307,7 @@ bool CPyro::Create(PyroType type, CObject* obj, float force)

     if ( m_type == PT_SHOTH )

     {

         assert(m_object->Implements(ObjectInterfaceType::Controllable));

-        if ( m_camera->GetBlood() && dynamic_cast<CControllableObject*>(m_object)->GetSelect() )

+        if ( m_camera->GetBlood() && dynamic_cast<CControllableObject&>(*m_object).GetSelect() )

         {

             m_camera->StartOver(CAM_OVER_EFFECT_BLOOD, m_pos, force);

         }

@@ -1381,7 +1381,7 @@ void CPyro::DeleteObject(bool primary, bool secondary)

         if (m_object->Implements(ObjectInterfaceType::Transportable))

         {

             // TODO: this should be handled in the object's destructor

-            CObject* transporter = dynamic_cast<CTransportableObject*>(m_object)->GetTransporter();

+            CObject* transporter = dynamic_cast<CTransportableObject&>(*m_object).GetTransporter();

             if (transporter != nullptr)

             {

                 if (transporter->Implements(ObjectInterfaceType::Powered))

@@ -1546,12 +1546,12 @@ void CPyro::ExploStart()

     m_object->Simplify();

     m_object->SetLock(true);  // ruin not usable yet

     assert(m_object->Implements(ObjectInterfaceType::Destroyable));

-    dynamic_cast<CDestroyableObject*>(m_object)->SetDying(DeathType::Exploding);  // being destroyed

+    dynamic_cast<CDestroyableObject&>(*m_object).SetDying(DeathType::Exploding);  // being destroyed

     m_object->FlatParent();

-    if ( m_object->Implements(ObjectInterfaceType::Controllable) && dynamic_cast<CControllableObject*>(m_object)->GetSelect() )

+    if ( m_object->Implements(ObjectInterfaceType::Controllable) && dynamic_cast<CControllableObject&>(*m_object).GetSelect() )

     {

-        dynamic_cast<CControllableObject*>(m_object)->SetSelect(false);  // deselects the object

+        dynamic_cast<CControllableObject&>(*m_object).SetSelect(false);  // deselects the object

         m_camera->SetType(CAM_TYPE_EXPLO);

         m_main->DeselectAll();

     }

@@ -1575,7 +1575,7 @@ void CPyro::ExploStart()

         // TODO: temporary hack (hopefully)

         assert(m_object->Implements(ObjectInterfaceType::Old));

-        Math::Vector pos = dynamic_cast<COldObject*>(m_object)->GetPartPosition(i);

+        Math::Vector pos = dynamic_cast<COldObject&>(*m_object).GetPartPosition(i);

         Math::Vector speed;

         float weight;

@@ -1622,9 +1622,9 @@ void CPyro::BurnStart()

     m_object->Simplify();

     m_object->SetLock(true);  // ruin not usable yet

-    if ( m_object->Implements(ObjectInterfaceType::Controllable) && dynamic_cast<CControllableObject*>(m_object)->GetSelect() )

+    if ( m_object->Implements(ObjectInterfaceType::Controllable) && dynamic_cast<CControllableObject&>(*m_object).GetSelect() )

     {

-        dynamic_cast<CControllableObject*>(m_object)->SetSelect(false);  // deselects the object

+        dynamic_cast<CControllableObject&>(*m_object).SetSelect(false);  // deselects the object

         m_camera->SetType(CAM_TYPE_EXPLO);

         m_main->DeselectAll();

     }

@@ -2139,7 +2139,7 @@ void CPyro::BurnProgress()

     if (m_object->Implements(ObjectInterfaceType::Powered))

     {

-        CObject* sub = dynamic_cast<CPoweredObject*>(m_object)->GetPower();

+        CObject* sub = dynamic_cast<CPoweredObject&>(*m_object).GetPower();

         if (sub != nullptr)  // is there a battery?

             sub->SetScaleY(1.0f - m_progress);  // complete flattening

     }

@@ -2232,7 +2232,7 @@ CObject* CPyro::FallSearchBeeExplo()

         if (obj->GetType() == OBJECT_MOBILErs)

         {

-            float shieldRadius = dynamic_cast<CShielder*>(obj)->GetActiveShieldRadius();

+            float shieldRadius = dynamic_cast<CShielder&>(*obj).GetActiveShieldRadius();

             if ( shieldRadius > 0.0f )

             {

                 float distance = Math::Distance(oPos, bulletCrashSphere.sphere.pos);

@@ -2300,12 +2300,12 @@ void CPyro::FallProgress(float rTime)

                 {

                     assert(m_object->Implements(ObjectInterfaceType::Destroyable));

                     // TODO: implement "killer"?

-                    dynamic_cast<CDestroyableObject*>(m_object)->DestroyObject(DestructionType::Explosion);

+                    dynamic_cast<CDestroyableObject&>(*m_object).DestroyObject(DestructionType::Explosion);

                 }

             }

             else

             {

-                if (obj->GetType() == OBJECT_MOBILErs && dynamic_cast<CShielder*>(obj)->GetActiveShieldRadius() > 0.0f)  // protected by shield?

+                if (obj->GetType() == OBJECT_MOBILErs && dynamic_cast<CShielder&>(*obj).GetActiveShieldRadius() > 0.0f)  // protected by shield?

                 {

                     m_particle->CreateParticle(pos, Math::Vector(0.0f, 0.0f, 0.0f),

                                                 Math::Point(6.0f, 6.0f), PARTIGUNDEL, 2.0f, 0.0f, 0.0f);

@@ -2316,7 +2316,7 @@ void CPyro::FallProgress(float rTime)

                 else

                 {

                     assert(obj->Implements(ObjectInterfaceType::Damageable));

-                    if (dynamic_cast<CDamageableObject*>(obj)->DamageObject(DamageType::FallingObject))

+                    if (dynamic_cast<CDamageableObject&>(*obj).DamageObject(DamageType::FallingObject))

                     {

                         DeleteObject(true, true);  // removes the ball

                     }

@@ -2324,7 +2324,7 @@ void CPyro::FallProgress(float rTime)

                     {

                         assert(m_object->Implements(ObjectInterfaceType::Destroyable));

                         // TODO: implement "killer"?

-                        dynamic_cast<CDestroyableObject*>(m_object)->DestroyObject(DestructionType::Explosion);

+                        dynamic_cast<CDestroyableObject&>(*m_object).DestroyObject(DestructionType::Explosion);

                     }

                 }

             }

diff --git a/src/level/mainmovie.cpp b/src/level/mainmovie.cpp

index 4aa4245..52df226 100644

--- a/src/level/mainmovie.cpp

+++ b/src/level/mainmovie.cpp

@@ -90,7 +90,7 @@ bool CMainMovie::Start(MainMovieType type, float time)

         }

         assert(pObj->Implements(ObjectInterfaceType::Movable));

-        dynamic_cast<CMovableObject*>(pObj)->GetMotion()->SetAction(MHS_SATCOM, 0.5f);  // reads the SatCom

+        dynamic_cast<CMovableObject&>(*pObj).GetMotion()->SetAction(MHS_SATCOM, 0.5f);  // reads the SatCom

         m_camera->GetCamera(m_initialEye, m_initialLookat);

         m_camera->SetType(Gfx::CAM_TYPE_SCRIPT);

@@ -110,7 +110,7 @@ bool CMainMovie::Start(MainMovieType type, float time)

         if ( pObj != nullptr )

         {

             assert(pObj->Implements(ObjectInterfaceType::Movable));

-            dynamic_cast<CMovableObject*>(pObj)->GetMotion()->SetAction(-1);  // finishes reading SatCom

+            dynamic_cast<CMovableObject&>(*pObj).GetMotion()->SetAction(-1);  // finishes reading SatCom

         }

         m_camera->SetType(Gfx::CAM_TYPE_BACK);

@@ -132,7 +132,7 @@ bool CMainMovie::Stop()

         if ( pObj != nullptr )

         {

             assert(pObj->Implements(ObjectInterfaceType::Movable));

-            dynamic_cast<CMovableObject*>(pObj)->GetMotion()->SetAction(-1);  // finishes reading SatCom

+            dynamic_cast<CMovableObject&>(*pObj).GetMotion()->SetAction(-1);  // finishes reading SatCom

         }

     }

diff --git a/src/level/robotmain.cpp b/src/level/robotmain.cpp

index 58d9054..3da33d1 100644

--- a/src/level/robotmain.cpp

+++ b/src/level/robotmain.cpp

@@ -1330,7 +1330,7 @@ void CRobotMain::ExecuteCmd(const std::string& cmd)

         {

             CObject* object = GetSelect();

             if (object != nullptr && object->Implements(ObjectInterfaceType::Shielded))

-                dynamic_cast<CShieldedObject*>(object)->SetMagnifyDamage(dynamic_cast<CShieldedObject*>(object)->GetMagnifyDamage()*0.1f);

+                dynamic_cast<CShieldedObject&>(*object).SetMagnifyDamage(dynamic_cast<CShieldedObject&>(*object).GetMagnifyDamage()*0.1f);

             return;

         }

@@ -1338,7 +1338,7 @@ void CRobotMain::ExecuteCmd(const std::string& cmd)

         {

             CObject* object = GetSelect();

             if (object != nullptr && object->Implements(ObjectInterfaceType::JetFlying))

-                dynamic_cast<CJetFlyingObject*>(object)->SetRange(dynamic_cast<CJetFlyingObject*>(object)->GetRange()*10.0f);

+                dynamic_cast<CJetFlyingObject&>(*object).SetRange(dynamic_cast<CJetFlyingObject&>(*object).GetRange()*10.0f);

             return;

         }

@@ -1363,16 +1363,16 @@ void CRobotMain::ExecuteCmd(const std::string& cmd)

             {

                 if (object->Implements(ObjectInterfaceType::Powered))

                 {

-                    CObject* power = dynamic_cast<CPoweredObject*>(object)->GetPower();

+                    CObject* power = dynamic_cast<CPoweredObject&>(*object).GetPower();

                     if (power != nullptr && power->Implements(ObjectInterfaceType::PowerContainer))

-                        dynamic_cast<CPowerContainerObject*>(power)->SetEnergyLevel(1.0f);

+                        dynamic_cast<CPowerContainerObject&>(*power).SetEnergyLevel(1.0f);

                 }

                 if (object->Implements(ObjectInterfaceType::Shielded))

-                    dynamic_cast<CShieldedObject*>(object)->SetShield(1.0f);

+                    dynamic_cast<CShieldedObject&>(*object).SetShield(1.0f);

                 if (object->Implements(ObjectInterfaceType::JetFlying))

-                    dynamic_cast<CJetFlyingObject*>(object)->SetReactorRange(1.0f);

+                    dynamic_cast<CJetFlyingObject&>(*object).SetReactorRange(1.0f);

             }

             return;

         }

@@ -1385,9 +1385,9 @@ void CRobotMain::ExecuteCmd(const std::string& cmd)

             {

                 if (object->Implements(ObjectInterfaceType::Powered))

                 {

-                    CObject* power = dynamic_cast<CPoweredObject*>(object)->GetPower();

+                    CObject* power = dynamic_cast<CPoweredObject&>(*object).GetPower();

                     if (power != nullptr && power->Implements(ObjectInterfaceType::PowerContainer))

-                        dynamic_cast<CPowerContainerObject*>(power)->SetEnergyLevel(1.0f);

+                        dynamic_cast<CPowerContainerObject&>(*power).SetEnergyLevel(1.0f);

                 }

             }

             return;

@@ -1397,7 +1397,7 @@ void CRobotMain::ExecuteCmd(const std::string& cmd)

         {

             CObject* object = GetSelect();

             if (object != nullptr && object->Implements(ObjectInterfaceType::Shielded))

-                dynamic_cast<CShieldedObject*>(object)->SetShield(1.0f);

+                dynamic_cast<CShieldedObject&>(*object).SetShield(1.0f);

             return;

         }

@@ -1407,7 +1407,7 @@ void CRobotMain::ExecuteCmd(const std::string& cmd)

             if (object != nullptr)

             {

                 if (object->Implements(ObjectInterfaceType::JetFlying))

-                    dynamic_cast<CJetFlyingObject*>(object)->SetReactorRange(1.0f);

+                    dynamic_cast<CJetFlyingObject&>(*object).SetReactorRange(1.0f);

             }

             return;

         }

@@ -1507,7 +1507,7 @@ void CRobotMain::StartDisplayInfo(int index, bool movie)

     if (!m_editLock && movie && !m_movie->IsExist() && human)

     {

         assert(obj->Implements(ObjectInterfaceType::Movable));

-        if (dynamic_cast<CMovableObject*>(obj)->GetMotion()->GetAction() == -1)

+        if (dynamic_cast<CMovableObject&>(*obj).GetMotion()->GetAction() == -1)

         {

             m_movieInfoIndex = index;

             m_movie->Start(MM_SATCOMopen, 2.5f);

@@ -1821,7 +1821,7 @@ CObject* CRobotMain::DeselectAll()

 void CRobotMain::SelectOneObject(CObject* obj, bool displayError)

 {

     assert(obj->Implements(ObjectInterfaceType::Controllable));

-    dynamic_cast<CControllableObject*>(obj)->SetSelect(true, displayError);

+    dynamic_cast<CControllableObject&>(*obj).SetSelect(true, displayError);

     m_camera->SetControllingObject(obj);

     ObjectType type = obj->GetType();

@@ -1854,7 +1854,7 @@ void CRobotMain::SelectOneObject(CObject* obj, bool displayError)

          type == OBJECT_MOBILEdr ||

          type == OBJECT_APOLLO2  )

     {

-        m_camera->SetType(dynamic_cast<CControllableObject*>(obj)->GetCameraType());

+        m_camera->SetType(dynamic_cast<CControllableObject&>(*obj).GetCameraType());

     }

     else

     {

@@ -1870,7 +1870,7 @@ bool CRobotMain::SelectObject(CObject* obj, bool displayError)

     if (m_movieLock || m_editLock) return false;

     if (m_movie->IsExist()) return false;

     if (obj != nullptr &&

-        (!obj->Implements(ObjectInterfaceType::Controllable) || !(dynamic_cast<CControllableObject*>(obj)->GetSelectable() || m_cheatSelectInsect))) return false;

+        (!obj->Implements(ObjectInterfaceType::Controllable) || !(dynamic_cast<CControllableObject&>(*obj).GetSelectable() || m_cheatSelectInsect))) return false;

     if (m_missionType == MISSION_CODE_BATTLE && m_codeBattleStarted && m_codeBattleSpectator)

     {

@@ -1946,7 +1946,7 @@ CObject* CRobotMain::GetSelect()

     for (CObject* obj : m_objMan->GetAllObjects())

     {

         if (!obj->Implements(ObjectInterfaceType::Controllable)) continue;

-        if (dynamic_cast<CControllableObject*>(obj)->GetSelect())

+        if (dynamic_cast<CControllableObject&>(*obj).GetSelect())

             return obj;

     }

     return nullptr;

@@ -1964,7 +1964,7 @@ CObject* CRobotMain::DetectObject(Math::Point pos)

         CObject* transporter = nullptr;

         if (obj->Implements(ObjectInterfaceType::Transportable))

-            transporter = dynamic_cast<CTransportableObject*>(obj)->GetTransporter();

+            transporter = dynamic_cast<CTransportableObject&>(*obj).GetTransporter();

         if (transporter != nullptr && !transporter->GetDetectable()) continue;

         if (obj->GetProxyActivate()) continue;

@@ -1972,14 +1972,14 @@ CObject* CRobotMain::DetectObject(Math::Point pos)

         CObject* target = obj;

         if (obj->Implements(ObjectInterfaceType::PowerContainer) && obj->Implements(ObjectInterfaceType::Transportable))

         {

-            target = dynamic_cast<CTransportableObject*>(obj)->GetTransporter();  // battery connected

+            target = dynamic_cast<CTransportableObject&>(*obj).GetTransporter();  // battery connected

             if (target == nullptr)

             {

                 target = obj; // standalone battery

             }

             else

             {

-                if (!target->Implements(ObjectInterfaceType::Powered) || dynamic_cast<CPoweredObject*>(target)->GetPower() != obj)

+                if (!target->Implements(ObjectInterfaceType::Powered) || dynamic_cast<CPoweredObject&>(*target).GetPower() != obj)

                 {

                     // transported, but not in the power slot

                     target = obj;

@@ -2009,7 +2009,7 @@ bool CRobotMain::DestroySelectedObject()

     m_engine->GetPyroManager()->Create(Gfx::PT_FRAGT, obj);

-    dynamic_cast<CControllableObject*>(obj)->SetSelect(false);  // deselects the object

+    dynamic_cast<CControllableObject&>(*obj).SetSelect(false);  // deselects the object

     m_camera->SetType(Gfx::CAM_TYPE_EXPLO);

     DeselectAll();

     RemoveFromSelectionHistory(obj);

@@ -2032,7 +2032,7 @@ void CRobotMain::HiliteClear()

     for (CObject* obj : m_objMan->GetAllObjects())

     {

         if (!obj->Implements(ObjectInterfaceType::Controllable)) continue;

-        dynamic_cast<CControllableObject*>(obj)->SetHighlight(false);

+        dynamic_cast<CControllableObject&>(*obj).SetHighlight(false);

     }

     m_map->SetHighlight(nullptr);

     m_short->SetHighlight(nullptr);

@@ -2092,12 +2092,12 @@ void CRobotMain::HiliteObject(Math::Point pos)

             }

         }

-        if (obj->Implements(ObjectInterfaceType::Controllable) && (dynamic_cast<CControllableObject*>(obj)->GetSelectable() || m_cheatSelectInsect))

+        if (obj->Implements(ObjectInterfaceType::Controllable) && (dynamic_cast<CControllableObject&>(*obj).GetSelectable() || m_cheatSelectInsect))

         {

-            if (dynamic_cast<CControllableObject*>(obj)->GetSelectable())

+            if (dynamic_cast<CControllableObject&>(*obj).GetSelectable())

             {

                 // Don't highlight objects that would not be selectable without selectinsect

-                dynamic_cast<CControllableObject*>(obj)->SetHighlight(true);

+                dynamic_cast<CControllableObject&>(*obj).SetHighlight(true);

             }

             m_map->SetHighlight(obj);

             m_short->SetHighlight(obj);

@@ -2348,7 +2348,7 @@ bool CRobotMain::EventFrame(const Event &event)

             if (obj->GetType() == OBJECT_TOTO)

                 toto = obj;

             else if (obj->Implements(ObjectInterfaceType::Interactive))

-                dynamic_cast<CInteractiveObject*>(obj)->EventProcess(event);

+                dynamic_cast<CInteractiveObject&>(*obj).EventProcess(event);

             if ( obj->GetProxyActivate() )  // active if it is near?

             {

@@ -2371,7 +2371,7 @@ bool CRobotMain::EventFrame(const Event &event)

                 continue;

             if (obj->Implements(ObjectInterfaceType::Interactive))

-                dynamic_cast<CInteractiveObject*>(obj)->EventProcess(event);

+                dynamic_cast<CInteractiveObject&>(*obj).EventProcess(event);

         }

         m_engine->GetPyroManager()->EventProcess(event);

@@ -2395,7 +2395,7 @@ bool CRobotMain::EventFrame(const Event &event)

     // Advances toto following the camera, because its position depends on the camera.

     if (toto != nullptr)

-        dynamic_cast<CInteractiveObject*>(toto)->EventProcess(event);

+        dynamic_cast<CInteractiveObject&>(*toto).EventProcess(event);

     // NOTE: m_movieLock is set only after the first update of CAutoBase finishes

@@ -2628,7 +2628,7 @@ bool CRobotMain::EventObject(const Event &event)

     {

         if (obj->Implements(ObjectInterfaceType::Interactive))

         {

-            dynamic_cast<CInteractiveObject*>(obj)->EventProcess(event);

+            dynamic_cast<CInteractiveObject&>(*obj).EventProcess(event);

         }

     }

@@ -2669,7 +2669,7 @@ void CRobotMain::ScenePerso()

         obj->SetDrawFront(true);  // draws the interface

         assert(obj->Implements(ObjectInterfaceType::Movable));

-        CMotionHuman* mh = static_cast<CMotionHuman*>(dynamic_cast<CMovableObject*>(obj)->GetMotion());

+        CMotionHuman* mh = static_cast<CMotionHuman*>(dynamic_cast<CMovableObject&>(*obj).GetMotion());

         mh->StartDisplayPerso();

     }

 }

@@ -3337,7 +3337,7 @@ void CRobotMain::CreateScene(bool soluce, bool fixScene, bool resetObject)

                 assert(m_controller->Implements(ObjectInterfaceType::ProgramStorage));

                 assert(m_controller->Implements(ObjectInterfaceType::Old));

-                dynamic_cast<COldObject*>(m_controller)->SetCheckToken(false);

+                dynamic_cast<COldObject&>(*m_controller).SetCheckToken(false);

                 if (line->GetParam("script")->IsDefined())

                 {

@@ -3345,7 +3345,7 @@ void CRobotMain::CreateScene(bool soluce, bool fixScene, bool resetObject)

                     Program* program = programStorage->AddProgram();

                     programStorage->ReadProgram(program, line->GetParam("script")->AsPath("ai"));

                     program->readOnly = true;

-                    dynamic_cast<CProgrammableObject*>(m_controller)->RunProgram(program);

+                    dynamic_cast<CProgrammableObject&>(*m_controller).RunProgram(program);

                 }

                 continue;

             }

@@ -3370,7 +3370,7 @@ void CRobotMain::CreateScene(bool soluce, bool fixScene, bool resetObject)

                     if (m_fixScene && obj->GetType() == OBJECT_HUMAN)

                     {

                         assert(obj->Implements(ObjectInterfaceType::Movable));

-                        CMotion* motion = dynamic_cast<CMovableObject*>(obj)->GetMotion();

+                        CMotion* motion = dynamic_cast<CMovableObject&>(*obj).GetMotion();

                         if (m_phase == PHASE_WIN ) motion->SetAction(MHS_WIN,  0.4f);

                         if (m_phase == PHASE_LOST) motion->SetAction(MHS_LOST, 0.5f);

                     }

@@ -3385,7 +3385,7 @@ void CRobotMain::CreateScene(bool soluce, bool fixScene, bool resetObject)

                     {

                         CProgramStorageObject* programStorage = dynamic_cast<CProgramStorageObject*>(obj);

-                        if (obj->Implements(ObjectInterfaceType::Controllable) && dynamic_cast<CControllableObject*>(obj)->GetSelectable() && obj->GetType() != OBJECT_HUMAN)

+                        if (obj->Implements(ObjectInterfaceType::Controllable) && dynamic_cast<CControllableObject&>(*obj).GetSelectable() && obj->GetType() != OBJECT_HUMAN)

                         {

                             programStorage->SetProgramStorageIndex(rankObj);

                         }

@@ -3768,7 +3768,7 @@ void CRobotMain::CreateScene(bool soluce, bool fixScene, bool resetObject)

                 assert(obj->Implements(ObjectInterfaceType::Controllable));

                 SelectObject(obj);

                 m_camera->SetControllingObject(obj);

-                m_camera->SetType(dynamic_cast<CControllableObject*>(obj)->GetCameraType());

+                m_camera->SetType(dynamic_cast<CControllableObject&>(*obj).GetCameraType());

             }

         }

@@ -4363,7 +4363,7 @@ void CRobotMain::StartShowLimit()

     CObject* obj = GetSelect();

     if (obj == nullptr) return;

     if (!obj->Implements(ObjectInterfaceType::Ranged)) return;

-    float range = dynamic_cast<CRangedObject*>(obj)->GetShowLimitRadius();

+    float range = dynamic_cast<CRangedObject&>(*obj).GetShowLimitRadius();

     if (range == 0.0f) return;

     SetShowLimit(0, Gfx::PARTILIMIT1, obj, obj->GetPosition(), range);

 }

@@ -4503,8 +4503,8 @@ bool CRobotMain::IOIsBusy()

     {

         if (! obj->Implements(ObjectInterfaceType::TaskExecutor)) continue;

-        if (obj->Implements(ObjectInterfaceType::Programmable) && dynamic_cast<CProgrammableObject*>(obj)->IsProgram()) continue; // TODO: I'm not sure if this is correct but this is how it worked earlier

-        if (dynamic_cast<CTaskExecutorObject*>(obj)->IsForegroundTask()) return true;

+        if (obj->Implements(ObjectInterfaceType::Programmable) && dynamic_cast<CProgrammableObject&>(*obj).IsProgram()) continue; // TODO: I'm not sure if this is correct but this is how it worked earlier

+        if (dynamic_cast<CTaskExecutorObject&>(*obj).IsForegroundTask()) return true;

     }

     return false;

 }

@@ -4555,7 +4555,7 @@ void CRobotMain::IOWriteObject(CLevelParserLine* line, CObject* obj, const std::

         if (obj->Implements(ObjectInterfaceType::Programmable))

         {

-            int run = dynamic_cast<CProgramStorageObject*>(obj)->GetProgramIndex(dynamic_cast<CProgrammableObject*>(obj)->GetCurrentProgram());

+            int run = dynamic_cast<CProgramStorageObject&>(*obj).GetProgramIndex(dynamic_cast<CProgrammableObject&>(*obj).GetCurrentProgram());

             if (run != -1)

             {

                 line->AddParam("run", MakeUnique<CLevelParserParam>(run+1));

@@ -4630,11 +4630,11 @@ bool CRobotMain::IOWriteScene(std::string filename, std::string filecbot, std::s

     {

         if (obj->GetType() == OBJECT_TOTO) continue;

         if (IsObjectBeingTransported(obj)) continue;

-        if (obj->Implements(ObjectInterfaceType::Destroyable) && dynamic_cast<CDestroyableObject*>(obj)->IsDying()) continue;

+        if (obj->Implements(ObjectInterfaceType::Destroyable) && dynamic_cast<CDestroyableObject&>(*obj).IsDying()) continue;

         if (obj->Implements(ObjectInterfaceType::Carrier))

         {

-            CObject* cargo = dynamic_cast<CCarrierObject*>(obj)->GetCargo();

+            CObject* cargo = dynamic_cast<CCarrierObject&>(*obj).GetCargo();

             if (cargo != nullptr)  // object transported?

             {

                 line = MakeUnique<CLevelParserLine>("CreateFret");

@@ -4645,7 +4645,7 @@ bool CRobotMain::IOWriteScene(std::string filename, std::string filecbot, std::s

         if (obj->Implements(ObjectInterfaceType::Powered))

         {

-            CObject* power = dynamic_cast<CPoweredObject*>(obj)->GetPower();

+            CObject* power = dynamic_cast<CPoweredObject&>(*obj).GetPower();

             if (power != nullptr) // battery transported?

             {

                 line = MakeUnique<CLevelParserLine>("CreatePower");

@@ -4683,7 +4683,7 @@ bool CRobotMain::IOWriteScene(std::string filename, std::string filecbot, std::s

     {

         if (obj->GetType() == OBJECT_TOTO) continue;

         if (IsObjectBeingTransported(obj)) continue;

-        if (obj->Implements(ObjectInterfaceType::Destroyable) && dynamic_cast<CDestroyableObject*>(obj)->IsDying()) continue;

+        if (obj->Implements(ObjectInterfaceType::Destroyable) && dynamic_cast<CDestroyableObject&>(*obj).IsDying()) continue;

         if (!SaveFileStack(obj, file, objRank++))  break;

     }

@@ -4824,7 +4824,7 @@ CObject* CRobotMain::IOReadScene(std::string filename, std::string filecbot)

             {

                 assert(obj->Implements(ObjectInterfaceType::Carrier)); // TODO: exception?

                 assert(obj->Implements(ObjectInterfaceType::Old));

-                dynamic_cast<CCarrierObject*>(obj)->SetCargo(cargo);

+                dynamic_cast<CCarrierObject&>(*obj).SetCargo(cargo);

                 auto task = MakeUnique<CTaskManip>(dynamic_cast<COldObject*>(obj));

                 task->Start(TMO_AUTO, TMA_GRAB);  // holds the object!

             }

@@ -4832,9 +4832,9 @@ CObject* CRobotMain::IOReadScene(std::string filename, std::string filecbot)

             if (power != nullptr)

             {

                 assert(obj->Implements(ObjectInterfaceType::Powered));

-                dynamic_cast<CPoweredObject*>(obj)->SetPower(power);

+                dynamic_cast<CPoweredObject&>(*obj).SetPower(power);

                 assert(power->Implements(ObjectInterfaceType::Transportable));

-                dynamic_cast<CTransportableObject*>(power)->SetTransporter(obj);

+                dynamic_cast<CTransportableObject&>(*power).SetTransporter(obj);