Method TriggerInput

Source/Flow/Private/Nodes/FlowNode.cpp:978–1037

}

void UFlowNode::TriggerInput(const FName& PinName, const EFlowPinActivationType ActivationType /*= Default*/)
{
	if (SignalMode == EFlowSignalMode::Disabled)
	{
		// entirely ignore any Input activation
	}

	if (InputPins.Contains(PinName))
	{
		if (SignalMode == EFlowSignalMode::Enabled)
		{
			const EFlowNodeState PreviousActivationState = ActivationState;
			if (PreviousActivationState != EFlowNodeState::Active)
			{
				OnActivate();
			}

			ActivationState = EFlowNodeState::Active;
		}

#if !UE_BUILD_SHIPPING
		// record for debugging
		TArray<FPinRecord>& Records = InputRecords.FindOrAdd(PinName);
		Records.Add(FPinRecord(FApp::GetCurrentTime(), ActivationType));

		if (const UFlowAsset* FlowAssetTemplate = GetFlowAsset()->GetTemplateAsset())
		{
			(void)FlowAssetTemplate->OnPinTriggered.ExecuteIfBound(this, PinName);
		}
#endif
	}
#if !UE_BUILD_SHIPPING
	else
	{
		LogError(FString::Printf(TEXT("Input Pin name %s invalid"), *PinName.ToString()));
		return;
	}
#endif

	switch (SignalMode)
	{
		case EFlowSignalMode::Enabled:
			ExecuteInputForSelfAndAddOns(PinName);
			break;
		case EFlowSignalMode::Disabled:
			if (GetDefault<UFlowSettings>()->bLogOnSignalDisabled)
			{
				LogNote(FString::Printf(TEXT("Node disabled while triggering input %s"), *PinName.ToString()));
			}
			break;
		case EFlowSignalMode::PassThrough:
			if (GetDefault<UFlowSettings>()->bLogOnSignalPassthrough)
			{
				LogNote(FString::Printf(TEXT("Signal pass-through on triggering input %s"), *PinName.ToString()));
			}
			OnPassThrough();
			break;
		default: ;