Remove some actors and components ticks and visibility

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Agent/AgentComponent.cpp

@@ -20,6 +20,15 @@ static FDataRouter &GetDataRouter(UWorld *World)
   return GameMode->GetDataRouter();
 }
 
+UAgentComponent::UAgentComponent(const FObjectInitializer& ObjectInitializer)
+  : Super(ObjectInitializer)
+{
+  bVisible = false;
+  bHiddenInGame = true;
+  bShouldUpdatePhysicsVolume = false;
+  PrimaryComponentTick.bCanEverTick = false;
+}
+
 void UAgentComponent::AcceptVisitor(IAgentComponentVisitor &Visitor) const
 {
   unimplemented();

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Agent/AgentComponent.h

@@ -22,6 +22,8 @@ class CARLA_API UAgentComponent : public USceneComponent
 
 public:
 
+  UAgentComponent(const FObjectInitializer& ObjectInitializer);
+
   uint32 GetId() const
   {
     return GetTypeHash(this);

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/TrafficSignBase.cpp

@@ -9,6 +9,8 @@
 
 ATrafficSignBase::ATrafficSignBase(const FObjectInitializer &ObjectInitializer)
   : Super(ObjectInitializer) {
+  PrimaryActorTick.bCanEverTick = false;
+
   RootComponent =
       ObjectInitializer.CreateDefaultSubobject<USceneComponent>(this, TEXT("SceneRootComponent"));
   RootComponent->SetMobility(EComponentMobility::Static);
@@ -16,4 +18,5 @@ ATrafficSignBase::ATrafficSignBase(const FObjectInitializer &ObjectInitializer)
   TrafficSignAgentComponent =
       CreateDefaultSubobject<UTrafficSignAgentComponent>(TEXT("TrafficSignAgentComponent"));
   TrafficSignAgentComponent->SetupAttachment(RootComponent);
+  TrafficSignAgentComponent->SetMobility(EComponentMobility::Static);
 }

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Vehicle/VehicleSpawnerBase.cpp

@@ -35,8 +35,11 @@ static AWheeledVehicleAIController *GetController(ACarlaWheeledVehicle *Vehicle)
 // =============================================================================
 
 // Sets default values
-AVehicleSpawnerBase::AVehicleSpawnerBase(const FObjectInitializer& ObjectInitializer) :
+AVehicleSpawnerBase::AVehicleSpawnerBase(const FObjectInitializer& ObjectInitializer)
-  Super(ObjectInitializer) {}
+  : Super(ObjectInitializer)
+{
+  PrimaryActorTick.bCanEverTick = false;
+}
 
 void AVehicleSpawnerBase::BeginPlay()
 {