C++ (Cpp) DetermineLinkGeometry Examples

Example #1

File: ConnectionDrawingPolicy.cpp Project: Tigrouzen/UnrealEngine-4

void FConnectionDrawingPolicy::Draw(TMap<TSharedRef<SWidget>, FArrangedWidget>& PinGeometries, FArrangedChildren& ArrangedNodes)
{
	PinToPinWidgetMap.Empty();
	for (TMap<TSharedRef<SWidget>, FArrangedWidget>::TIterator ConnectorIt(PinGeometries); ConnectorIt; ++ConnectorIt)
	{
		TSharedRef<SWidget> SomePinWidget = ConnectorIt.Key();
		SGraphPin& PinWidget = static_cast<SGraphPin&>(SomePinWidget.Get());

		PinToPinWidgetMap.Add(PinWidget.GetPinObj(), StaticCastSharedRef<SGraphPin>(SomePinWidget));
	}

	for (TMap<TSharedRef<SWidget>, FArrangedWidget>::TIterator ConnectorIt(PinGeometries); ConnectorIt; ++ConnectorIt)
	{
		TSharedRef<SWidget> SomePinWidget = ConnectorIt.Key();
		SGraphPin& PinWidget = static_cast<SGraphPin&>(SomePinWidget.Get());
		UEdGraphPin* ThePin = PinWidget.GetPinObj();

		if (ThePin->Direction == EGPD_Output)
		{
			for (int32 LinkIndex=0; LinkIndex < ThePin->LinkedTo.Num(); ++LinkIndex)
			{
				FArrangedWidget* LinkStartWidgetGeometry = NULL;
				FArrangedWidget* LinkEndWidgetGeometry = NULL;

				UEdGraphPin* TargetPin = ThePin->LinkedTo[LinkIndex];

				DetermineLinkGeometry(PinGeometries, ArrangedNodes, SomePinWidget, ThePin, TargetPin, /*out*/ LinkStartWidgetGeometry, /*out*/ LinkEndWidgetGeometry);

				if ((LinkEndWidgetGeometry != NULL) && (LinkStartWidgetGeometry != NULL))
				{
					float Thickness = 1.0f;
					FLinearColor WireColor = FLinearColor::White;
					bool bDrawBubbles = false;
					bool bBidirectional = false;

					DetermineWiringStyle(ThePin, TargetPin, /*inout*/ Thickness, /*inout*/ WireColor, /*inout*/ bDrawBubbles, /*inout*/ bBidirectional);

					DrawSplineWithArrow(LinkStartWidgetGeometry->Geometry, LinkEndWidgetGeometry->Geometry, WireColor, Thickness, bDrawBubbles, bBidirectional);
				}
			}
		}
	}
}

Example #2

File: BlueprintProfilerConnectionDrawingPolicy.cpp Project: zhaoyizheng0930/UnrealEngine

void FBlueprintProfilerConnectionDrawingPolicy::Draw(TMap<TSharedRef<SWidget>, FArrangedWidget>& InPinGeometries, FArrangedChildren& ArrangedNodes)
{
	// Build the execution roadmap (also populates execution times)
	BuildExecutionRoadmap();

	PinGeometries = &InPinGeometries;

	PinToPinWidgetMap.Empty();
	for (TMap<TSharedRef<SWidget>, FArrangedWidget>::TIterator ConnectorIt(InPinGeometries); ConnectorIt; ++ConnectorIt)
	{
		TSharedRef<SWidget> SomePinWidget = ConnectorIt.Key();
		SGraphPin& PinWidget = static_cast<SGraphPin&>(SomePinWidget.Get());

		PinToPinWidgetMap.Add(PinWidget.GetPinObj(), StaticCastSharedRef<SGraphPin>(SomePinWidget));
	}

	for (TMap<TSharedRef<SWidget>, FArrangedWidget>::TIterator ConnectorIt(InPinGeometries); ConnectorIt; ++ConnectorIt)
	{
		TSharedRef<SWidget> SomePinWidget = ConnectorIt.Key();
		SGraphPin& PinWidget = static_cast<SGraphPin&>(SomePinWidget.Get());
		UEdGraphPin* ThePin = PinWidget.GetPinObj();

		if (ThePin->Direction == EGPD_Output)
		{
			for (int32 LinkIndex=0; LinkIndex < ThePin->LinkedTo.Num(); ++LinkIndex)
			{
				FArrangedWidget* LinkStartWidgetGeometry = nullptr;
				FArrangedWidget* LinkEndWidgetGeometry = nullptr;

				UEdGraphPin* TargetPin = ThePin->LinkedTo[LinkIndex];

				DetermineLinkGeometry(ArrangedNodes, SomePinWidget, ThePin, TargetPin, /*out*/ LinkStartWidgetGeometry, /*out*/ LinkEndWidgetGeometry);

				if (( LinkEndWidgetGeometry && LinkStartWidgetGeometry ) && !IsConnectionCulled( *LinkStartWidgetGeometry, *LinkEndWidgetGeometry ))
				{
					FScriptPerfConnectionParams Params;
					DeterminePerfWiringStyle(ThePin, TargetPin, Params);
					DrawInterpColorSpline(LinkStartWidgetGeometry->Geometry, LinkEndWidgetGeometry->Geometry, Params);
				}
			}
		}
	}
}

Example #3

File: ConnectionDrawingPolicy.cpp Project: JustDo1989/UnrealEngine4.11-HairWorks

void FConnectionDrawingPolicy::Draw(TMap<TSharedRef<SWidget>, FArrangedWidget>& InPinGeometries, FArrangedChildren& ArrangedNodes)
{
	PinGeometries = &InPinGeometries;

	PinToPinWidgetMap.Empty();
	for (TMap<TSharedRef<SWidget>, FArrangedWidget>::TIterator ConnectorIt(InPinGeometries); ConnectorIt; ++ConnectorIt)
	{
		TSharedRef<SWidget> SomePinWidget = ConnectorIt.Key();
		SGraphPin& PinWidget = static_cast<SGraphPin&>(SomePinWidget.Get());

		PinToPinWidgetMap.Add(PinWidget.GetPinObj(), StaticCastSharedRef<SGraphPin>(SomePinWidget));
	}

	for (TMap<TSharedRef<SWidget>, FArrangedWidget>::TIterator ConnectorIt(InPinGeometries); ConnectorIt; ++ConnectorIt)
	{
		TSharedRef<SWidget> SomePinWidget = ConnectorIt.Key();
		SGraphPin& PinWidget = static_cast<SGraphPin&>(SomePinWidget.Get());
		UEdGraphPin* ThePin = PinWidget.GetPinObj();

		if (ThePin->Direction == EGPD_Output)
		{
			for (int32 LinkIndex=0; LinkIndex < ThePin->LinkedTo.Num(); ++LinkIndex)
			{
				FArrangedWidget* LinkStartWidgetGeometry = nullptr;
				FArrangedWidget* LinkEndWidgetGeometry = nullptr;

				UEdGraphPin* TargetPin = ThePin->LinkedTo[LinkIndex];

				DetermineLinkGeometry(ArrangedNodes, SomePinWidget, ThePin, TargetPin, /*out*/ LinkStartWidgetGeometry, /*out*/ LinkEndWidgetGeometry);

				if (( LinkEndWidgetGeometry && LinkStartWidgetGeometry ) && !IsConnectionCulled( *LinkStartWidgetGeometry, *LinkEndWidgetGeometry ))
				{
					FConnectionParams Params;
					DetermineWiringStyle(ThePin, TargetPin, /*inout*/ Params);
					DrawSplineWithArrow(LinkStartWidgetGeometry->Geometry, LinkEndWidgetGeometry->Geometry, Params);
				}
			}
		}
	}
}