integration/Source/Integration/ReadLuaValues.h

////////////////////////////////////////////////////////////
//
// ReadLuaValues.h
//
// K2Node that reads typed values from a UlxLuaValues array.
// Takes a prototype string like "string x, float y, int z"
// and creates output pins with the appropriate types.
//
////////////////////////////////////////////////////////////

#pragma once

#include "LuprexK2Node.h"

#include "ReadLuaValues.generated.h"

class FBlueprintActionDatabaseRegistrar;
class FString;
class UEdGraph;
class UObject;

UCLASS(MinimalAPI)
class UK2Node_ReadLuaValues : public UlxK2Node
{
	GENERATED_BODY()

public:
	//~ Begin UEdGraphNode Interface.
	virtual void AllocateDefaultPins() override;
	virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
	virtual bool ShouldShowNodeProperties() const override { return true; }
	virtual void PinDefaultValueChanged(UEdGraphPin* Pin) override;
	virtual FText GetTooltipText() const override;
	virtual FText GetPinDisplayName(const UEdGraphPin* Pin) const override;
	//~ End UEdGraphNode Interface.

	//~ Begin UK2Node Interface.
	virtual bool IsNodePure() const override { return false; }
	virtual void ReconstructNode() override;
	virtual bool NodeCausesStructuralBlueprintChange() const override { return true; }
	virtual void ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
	virtual ERedirectType DoPinsMatchForReconstruction(const UEdGraphPin* NewPin, int32 NewPinIndex, const UEdGraphPin* OldPin, int32 OldPinIndex) const override;
	virtual bool IsConnectionDisallowed(const UEdGraphPin* MyPin, const UEdGraphPin* OtherPin, FString& OutReason) const override;
	virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const override;
	virtual FText GetMenuCategory() const override;
	virtual int32 GetNodeRefreshPriority() const override { return EBaseNodeRefreshPriority::Low_UsesDependentWildcard; }
	//~ End UK2Node Interface.

private:
	static const FName PrototypePinName;
	static const FName InputValuesPinName;
	static const FName RemainingPinName;
	static const FName ErrorPinName;

private:
	// Whenever the prototype pin value changes, we call
	// ReconstructNode, which backs up the value into this
	// property.  This cache is needed because during
	// ReconstructNode, we blow away the prototype pin.  The
	// prototype pin is also absent when the node is first
	// created.
	//
	UPROPERTY()
	FString ValuePrototype = TEXT("string x, float y, int z");

};