104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "K2Node_GetJsonField.h"
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#include "BlueprintActionDatabaseRegistrar.h"
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#include "BlueprintNodeSpawner.h"
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#include "JsonBlueprintFunctionLibrary.h"
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#include "Kismet2/BlueprintEditorUtils.h"
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#define LOCTEXT_NAMESPACE "K2Node_GetJsonField"
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UK2Node_GetJsonField::UK2Node_GetJsonField()
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{
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FunctionReference.SetExternalMember(GET_FUNCTION_NAME_CHECKED(UJsonBlueprintFunctionLibrary, GetField), UJsonBlueprintFunctionLibrary::StaticClass());
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}
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void UK2Node_GetJsonField::AllocateDefaultPins()
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{
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Super::AllocateDefaultPins();
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/* Structure to hold one-time initialization */
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struct FPinStatics
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{
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int32 InputJsonObjectPinIndex = -1;
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int32 InputFieldNamePinIndex = -1;
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int32 InputArrayIndexPinIndex = -1;
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int32 OutputValuePinIndex = -1;
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int32 OutputResultPinIndex = -1;
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FPinStatics(const TArray<UEdGraphPin*>& InPins)
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{
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// Pins as per UJsonBlueprintFunctionLibrary::GetField(...)
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InputJsonObjectPinIndex = FindPinByName(InPins, TEXT("self")); // default name, won't change
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InputFieldNamePinIndex = FindPinByName(InPins, TEXT("FieldName"));
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OutputValuePinIndex = FindPinByName(InPins, TEXT("OutValue"));
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OutputResultPinIndex = FindPinByName(InPins, TEXT("ReturnValue")); // default name, won't change
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}
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static int32 FindPinByName(const TArray<UEdGraphPin*>& InPins, const FName& InName)
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{
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return InPins.IndexOfByPredicate([&InName](const UEdGraphPin* InPin)
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{
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return InPin->GetFName() == InName;
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});
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}
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};
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static FPinStatics PinInfo(Pins);
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UEdGraphPin* InputJsonObjectPin = GetPinAt(PinInfo.InputJsonObjectPinIndex);
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check(InputJsonObjectPin);
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UEdGraphPin* InputFieldNamePin = GetPinAt(PinInfo.InputFieldNamePinIndex);
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check(InputFieldNamePin);
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UEdGraphPin* OutputValuePin = GetPinAt(PinInfo.OutputValuePinIndex);
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check(OutputValuePin);
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UEdGraphPin* OutputResultPin = GetPinAt(PinInfo.OutputResultPinIndex);
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check(OutputResultPin);
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}
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FText UK2Node_GetJsonField::GetTooltipText() const
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{
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return LOCTEXT("TooltipText", "Get the specified Json Field, the type is determined by the output target property.");
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}
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bool UK2Node_GetJsonField::IsNodePure() const
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{
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return false;
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}
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void UK2Node_GetJsonField::GetMenuActions(FBlueprintActionDatabaseRegistrar& InActionRegistrar) const
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{
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const UClass* ActionKey = GetClass();
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if (InActionRegistrar.IsOpenForRegistration(ActionKey))
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{
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UBlueprintNodeSpawner* NodeSpawner = UBlueprintNodeSpawner::Create(GetClass());
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check(NodeSpawner != nullptr);
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InActionRegistrar.AddBlueprintAction(ActionKey, NodeSpawner);
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}
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}
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FText UK2Node_GetJsonField::GetMenuCategory() const
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{
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static FText MenuCategory = LOCTEXT("MenuCategory", "Json");
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return MenuCategory;
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}
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void UK2Node_GetJsonField::NotifyInputChanged() const
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{
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if (UBlueprint* BP = GetBlueprint())
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{
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FBlueprintEditorUtils::MarkBlueprintAsModified(BP);
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}
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UEdGraph* Graph = GetGraph();
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Graph->NotifyNodeChanged(this);
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}
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#undef LOCTEXT_NAMESPACE
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