114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "MaterialEditor/MaterialNodes/SGraphNodeMaterialResult.h"
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#include "Containers/Array.h"
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#include "Containers/UnrealString.h"
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#include "EdGraph/EdGraphNode.h"
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#include "EdGraph/EdGraphPin.h"
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#include "GenericPlatform/ICursor.h"
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#include "GraphEditor.h"
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#include "HAL/Platform.h"
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#include "IDocumentation.h"
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#include "Internationalization/Text.h"
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#include "MaterialGraph/MaterialGraph.h"
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#include "MaterialGraph/MaterialGraphNode_Base.h"
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#include "MaterialGraph/MaterialGraphNode_Root.h"
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#include "MaterialGraph/MaterialGraphSchema.h"
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#include "Materials/Material.h"
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#include "Misc/AssertionMacros.h"
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#include "Misc/Attribute.h"
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#include "Misc/Guid.h"
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#include "Misc/Optional.h"
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#include "SGraphPanel.h"
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#include "SGraphPin.h"
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#include "Templates/Casts.h"
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#include "Templates/SharedPointer.h"
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#include "TutorialMetaData.h"
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#include "UObject/NameTypes.h"
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#include "UObject/ObjectPtr.h"
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#include "Widgets/SToolTip.h"
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class SToolTip;
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/////////////////////////////////////////////////////
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// SGraphNodeMaterialResult
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void SGraphNodeMaterialResult::Construct(const FArguments& InArgs, UMaterialGraphNode_Root* InNode)
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{
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this->GraphNode = InNode;
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this->RootNode = InNode;
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this->SetCursor(EMouseCursor::CardinalCross);
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this->UpdateGraphNode();
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}
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void SGraphNodeMaterialResult::CreatePinWidgets()
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{
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// Create Pin widgets for each of the pins.
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UMaterialGraphNode_Base* MaterialGraphNode = Cast<UMaterialGraphNode_Base>(GraphNode);
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UMaterialGraph* MaterialGraph = CastChecked<UMaterialGraph>(GraphNode->GetGraph());
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bool bHideNoConnectionPins = false;
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if (OwnerGraphPanelPtr.IsValid())
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{
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bHideNoConnectionPins = OwnerGraphPanelPtr.Pin()->GetPinVisibility() == SGraphEditor::Pin_HideNoConnection;
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}
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for (UEdGraphPin* CurPin : MaterialGraphNode->Pins)
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{
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const bool bPinHasConections = CurPin->LinkedTo.Num() > 0;
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bool bPinDesiresToBeHidden = bHideNoConnectionPins && !bPinHasConections;
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if (CurPin->PinType.PinCategory != UMaterialGraphSchema::PC_Exec)
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{
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if (!MaterialGraph->MaterialInputs[CurPin->SourceIndex].IsVisiblePin(MaterialGraph->Material))
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{
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bPinDesiresToBeHidden = true;
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}
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}
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if (!bPinDesiresToBeHidden)
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{
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TSharedPtr<SGraphPin> NewPin = CreatePinWidget(CurPin);
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check(NewPin.IsValid());
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if (CurPin->PinType.PinCategory != UMaterialGraphSchema::PC_Exec)
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{
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TSharedPtr<SToolTip> ToolTipWidget = IDocumentation::Get()->CreateToolTip(MaterialGraph->MaterialInputs[CurPin->SourceIndex].GetToolTip(), nullptr, FString(TEXT("")), FString(TEXT("")));
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NewPin->SetToolTip(ToolTipWidget.ToSharedRef());
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}
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this->AddPin(NewPin.ToSharedRef());
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}
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}
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}
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void SGraphNodeMaterialResult::MoveTo(const FVector2f& NewPosition, FNodeSet& NodeFilter, bool bMarkDirty)
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{
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SGraphNode::MoveTo(NewPosition, NodeFilter, bMarkDirty);
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RootNode->Material->EditorX = RootNode->NodePosX;
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RootNode->Material->EditorY = RootNode->NodePosY;
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RootNode->Material->MarkPackageDirty();
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RootNode->Material->MaterialGraph->MaterialDirtyDelegate.ExecuteIfBound();
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}
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void SGraphNodeMaterialResult::PopulateMetaTag(FGraphNodeMetaData* TagMeta) const
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{
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if( (GraphNode != nullptr) && (RootNode != nullptr) )
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{
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UMaterialGraph* OuterGraph = RootNode->GetTypedOuter<UMaterialGraph>();
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if (OuterGraph != nullptr)
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{
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TagMeta->OuterName = OuterGraph->OriginalMaterialFullName;
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// There is only one root node - so we dont need a guid.
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TagMeta->Tag = FName(*FString::Printf(TEXT("MaterialResNode_%s"), *TagMeta->OuterName));
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TagMeta->GUID.Invalidate();
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TagMeta->FriendlyName = FString::Printf(TEXT("Material Result node in %s"), *TagMeta->OuterName);
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}
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}
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}
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