Fixed UCarlaLight related crash

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Game/CarlaGameModeBase.cpp

@@ -222,7 +222,7 @@ void ACarlaGameModeBase::BeginPlay()
     Actor->GetComponents(Lights, false);
     for(UCarlaLight* Light : Lights)
     {
-      Light->BeginPlay();
+      Light->RegisterLight();
     }
   }
   EnableOverlapEvents();

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Lights/CarlaLight.cpp

@@ -14,20 +14,26 @@ UCarlaLight::UCarlaLight()
 }
 
 void UCarlaLight::BeginPlay()
+{
+  Super::BeginPlay();
+
+  RegisterLight();
+}
+
+void UCarlaLight::RegisterLight()
 {
   if(bRegistered)
   {
     return;
   }
 
-  Super::BeginPlay();
-
   UWorld *World = GetWorld();
   if(World)
   {
     UCarlaLightSubsystem* CarlaLightSubsystem = World->GetSubsystem<UCarlaLightSubsystem>();
     CarlaLightSubsystem->RegisterLight(this);
   }
+
   bRegistered = true;
 }
 

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Lights/CarlaLight.h

@@ -45,6 +45,9 @@ public:
 
   void OnComponentDestroyed(bool bDestroyingHierarchy) override;
 
+  UFUNCTION(BlueprintCallable, Category = "Carla Light")
+  void RegisterLight();
+
   UFUNCTION(BlueprintImplementableEvent, BlueprintCallable, Category = "Carla Light")
   void UpdateLights();