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#rb none #preflight 622ba22f0a614dcb0c034713 #jira UE-145274 [CL 19359292 by Ben Ingram in ue5-main branch]
116 lines
3.4 KiB
C++
116 lines
3.4 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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int32 UMaterialGraphNode_Root::GetInputIndexForPin(const UEdGraphPin* Pin) const
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{
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if (Pin)
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{
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// Pin->SourceIndex will be an index into the graph's MaterialInputs array
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// the 'InputIndex' for root nodes is equal to the material property value
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const UMaterialGraph* MaterialGraph = CastChecked<UMaterialGraph>(GetGraph());
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if (MaterialGraph->MaterialInputs.IsValidIndex(Pin->SourceIndex))
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{
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return (int32)MaterialGraph->MaterialInputs[Pin->SourceIndex].GetProperty();
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}
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}
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return INDEX_NONE;
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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->IsUsingControlFlow())
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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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