/**
	 * Handles attaching this controller to the specified pawn.
	 * Only runs on the network authority (where HasAuthority() returns true).
	 * Derived native classes can override OnPossess to filter the specified pawn.
	 * When possessed pawn changed, blueprint class gets notified by ReceivePossess
	 * and OnNewPawn delegate is broadcasted.
	 * @param InPawn The Pawn to be possessed.
	 * @see HasAuthority, OnPossess, ReceivePossess
	 */
	UFUNCTION(BlueprintCallable, BlueprintAuthorityOnly, Category=Pawn, meta=(Keywords="set controller"))
	virtual void Possess(APawn* InPawn) final; // DEPRECATED(4.22, "Possess is marked virtual final as you should now be overriding OnPossess instead")

void AController::Possess(APawn* InPawn)
{
	if (!bCanPossessWithoutAuthority && !HasAuthority())
	{
		FMessageLog("PIE").Warning(FText::Format(
			LOCTEXT("ControllerPossessAuthorityOnly", "Possess function should only be used by the network authority for {0}"),
			FText::FromName(GetFName())
			));
		UE_LOG(LogController, Warning, TEXT("Trying to possess %s without network authority! Request will be ignored."), *GetNameSafe(InPawn));
		return;
	}

	REDIRECT_OBJECT_TO_VLOG(InPawn, this);

	APawn* CurrentPawn = GetPawn();

	// A notification is required when the current assigned pawn is not possessed (i.e. pawn assigned before calling Possess)
	const bool bNotificationRequired = (CurrentPawn != nullptr) && (CurrentPawn->GetController() == nullptr);

	// To preserve backward compatibility we keep notifying derived classed for null pawn in case some
	// overrides decided to react differently when asked to possess a null pawn.
	// Default engine implementation is to unpossess the current pawn.
	OnPossess(InPawn);

	// Notify when pawn to possess (different than the assigned one) has been accepted by the native class or notification is explicitly required
	APawn* NewPawn = GetPawn();
	if ((NewPawn != CurrentPawn) || bNotificationRequired)
	{
		ReceivePossess(NewPawn);
		OnNewPawn.Broadcast(NewPawn);
		OnPossessedPawnChanged.Broadcast(bNotificationRequired ? nullptr : CurrentPawn, NewPawn);
	}
	
	TRACE_PAWN_POSSESS(this, InPawn); 
}