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57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
// Copyright 1998-2016 Epic Games, Inc. All Rights Reserved.
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#include "GraphEditorCommon.h"
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#include "SGraphNode.h"
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#include "KismetPins/SGraphPinObject.h"
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#include "NodeFactory.h"
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#include "SGraphNodeK2Base.h"
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#include "SGraphNodeK2Default.h"
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#include "SGraphNodeCallParameterCollectionFunction.h"
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#include "SGraphPinNameList.h"
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#include "Materials/MaterialParameterCollection.h"
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//////////////////////////////////////////////////////////////////////////
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// SGraphNodeCallParameterCollectionFunction
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TSharedPtr<SGraphPin> SGraphNodeCallParameterCollectionFunction::CreatePinWidget(UEdGraphPin* Pin) const
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{
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UK2Node_CallMaterialParameterCollectionFunction* CallFunctionNode = Cast<UK2Node_CallMaterialParameterCollectionFunction>(GraphNode);
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// Create a special pin class for the ParameterName pin
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if (CallFunctionNode
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&& Pin->PinName == TEXT("ParameterName")
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&& Pin->PinType.PinCategory == GetDefault<UEdGraphSchema_K2>()->PC_Name)
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{
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TArray<FName> NameList;
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UEdGraphPin* CollectionPin = GraphNode->FindPin(TEXT("Collection"));
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if (CollectionPin)
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{
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UMaterialParameterCollection* Collection = Cast<UMaterialParameterCollection>(CollectionPin->DefaultObject);
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if (Collection)
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{
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// Populate the ParameterName pin combobox with valid options from the Collection
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const bool bVectorParameters = CallFunctionNode->FunctionReference.GetMemberName().ToString().Contains(TEXT("Vector"));
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Collection->GetParameterNames(NameList, bVectorParameters);
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}
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}
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TArray<TSharedPtr<FName>> NamePtrList;
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for (FName NameItem : NameList)
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{
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NamePtrList.Add(MakeShareable( new FName(NameItem)));
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}
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TSharedPtr<SGraphPin> NewPin = SNew(SGraphPinNameList, Pin, NamePtrList);
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return NewPin;
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}
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else
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{
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return FNodeFactory::CreatePinWidget(Pin);
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}
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}
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