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dc128cc02c
Instead, add 'SourceIndex' directly to UEdGraphPin and remove the map Too many edge cases where something would modify pins directly, and the map would get out of sync with actual pins #jira UE-119861 #rb lauren.barnes [CL 16897567 by Ben Ingram in ue5-main branch]
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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MaterialGraphNode_Root.cpp
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=============================================================================*/
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#include "MaterialGraph/MaterialGraphNode_Root.h"
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#include "MaterialShared.h"
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#include "MaterialGraph/MaterialGraph.h"
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#include "MaterialGraph/MaterialGraphSchema.h"
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#include "MaterialEditorUtilities.h"
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#include "GraphEditorSettings.h"
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#define LOCTEXT_NAMESPACE "MaterialGraphNode_Root"
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/////////////////////////////////////////////////////
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// UMaterialGraphNode_Root
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UMaterialGraphNode_Root::UMaterialGraphNode_Root(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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}
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FText UMaterialGraphNode_Root::GetNodeTitle(ENodeTitleType::Type TitleType) const
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{
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return FMaterialEditorUtilities::GetOriginalObjectName(this->GetGraph());
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}
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FLinearColor UMaterialGraphNode_Root::GetNodeTitleColor() const
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{
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return GetDefault<UGraphEditorSettings>()->ResultNodeTitleColor;
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}
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FText UMaterialGraphNode_Root::GetTooltipText() const
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{
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return LOCTEXT("MaterialNode", "Result node of the Material");
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}
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void UMaterialGraphNode_Root::PostPlacedNewNode()
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{
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if (Material)
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{
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NodePosX = Material->EditorX;
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NodePosY = Material->EditorY;
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}
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}
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uint32 UMaterialGraphNode_Root::GetPinMaterialType(const UEdGraphPin* Pin) const
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{
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if (Pin->PinType.PinCategory == UMaterialGraphSchema::PC_Exec)
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{
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return MCT_Execution;
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}
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const UMaterialGraph* MaterialGraph = CastChecked<UMaterialGraph>(GetGraph());
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const FMaterialInputInfo& MaterialInput = MaterialGraph->MaterialInputs[Pin->SourceIndex];
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EMaterialProperty Property = MaterialInput.GetProperty();
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uint32 MaterialType = 0u;
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if (Property == MP_MaterialAttributes)
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{
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MaterialType = MCT_MaterialAttributes;
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}
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else if (Property == MP_FrontMaterial)
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{
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MaterialType = MCT_Strata;
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}
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else
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{
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MaterialType = FMaterialAttributeDefinitionMap::GetValueType(Property);
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}
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return MaterialType;
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}
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void UMaterialGraphNode_Root::CreateInputPins()
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{
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UMaterialGraph* MaterialGraph = CastChecked<UMaterialGraph>(GetGraph());
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if (Material->IsCompiledWithExecutionFlow())
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{
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// Create the execution pin
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UEdGraphPin* NewPin = CreatePin(EGPD_Input, UMaterialGraphSchema::PC_Exec, NAME_None, NAME_None);
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NewPin->SourceIndex = 0;
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// Makes sure pin has a name for lookup purposes but user will never see it
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NewPin->PinName = CreateUniquePinName(TEXT("Input"));
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NewPin->PinFriendlyName = LOCTEXT("Space", " ");
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}
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for (int32 Index = 0; Index < MaterialGraph->MaterialInputs.Num(); ++Index)
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{
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const FMaterialInputInfo& MaterialInput = MaterialGraph->MaterialInputs[Index];
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EMaterialProperty Property = MaterialInput.GetProperty();
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UEdGraphPin* InputPin = CreatePin(EGPD_Input, UMaterialGraphSchema::PC_MaterialInput, *FString::Printf(TEXT("%d"), (int32)Property), *MaterialInput.GetName().ToString());
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InputPin->SourceIndex = Index;
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}
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}
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#undef LOCTEXT_NAMESPACE
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