// Copyright Epic Games, Inc. All Rights Reserved.


#pragma once

#include "BlueprintNodeSignature.h"
#include "CoreMinimal.h"
#include "EdGraph/EdGraph.h"
#include "EdGraph/EdGraphNode.h"
#include "EdGraph/EdGraphNodeUtils.h"
#include "HAL/Platform.h"
#include "Internationalization/Text.h"
#include "K2Node.h"
#include "K2Node_EventNodeInterface.h"
#include "Math/Color.h"
#include "Templates/SharedPointer.h"
#include "Textures/SlateIcon.h"
#include "UObject/NameTypes.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"

#include "K2Node_InputAction.generated.h"

class FBlueprintActionDatabaseRegistrar;
class FKismetCompilerContext;
class UEdGraph;
class UEdGraphPin;
class UObject;
struct FEdGraphSchemaAction;

UCLASS()
class BLUEPRINTGRAPH_API UK2Node_InputAction : public UK2Node, public IK2Node_EventNodeInterface
{
	GENERATED_UCLASS_BODY()

	UPROPERTY()
	FName InputActionName;

	// Prevents actors with lower priority from handling this input
	UPROPERTY(EditAnywhere, Category="Input")
	uint32 bConsumeInput:1;

	// Should the binding execute even when the game is paused
	UPROPERTY(EditAnywhere, Category="Input")
	uint32 bExecuteWhenPaused:1;

	// Should any bindings to this event in parent classes be removed
	UPROPERTY(EditAnywhere, Category="Input")
	uint32 bOverrideParentBinding:1;

	//~ Begin UObject Interface
	virtual void PostLoad() override;
	//~ End UObject Interface

	//~ Begin UEdGraphNode Interface.
	virtual void AllocateDefaultPins() override;
	virtual FLinearColor GetNodeTitleColor() const override;
	virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
	virtual FText GetTooltipText() const override;
	virtual FSlateIcon GetIconAndTint(FLinearColor& OutColor) const override;
	virtual bool IsCompatibleWithGraph(UEdGraph const* Graph) const override;
	//~ End UEdGraphNode Interface.

	//~ Begin UK2Node Interface
	virtual void ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const override;
	virtual bool ShouldShowNodeProperties() const override { return true; }
	virtual void ExpandNode(FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
	virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const override;
	virtual FText GetMenuCategory() const override;
	virtual FBlueprintNodeSignature GetSignature() const override;
	//~ End UK2Node Interface

	//~ Begin IK2Node_EventNodeInterface Interface.
	virtual TSharedPtr<FEdGraphSchemaAction> GetEventNodeAction(const FText& ActionCategory) override;
	//~ End IK2Node_EventNodeInterface Interface.

	/** Get the 'pressed' input pin */
	UEdGraphPin* GetPressedPin() const;

	/** Get the 'released' input pin */
	UEdGraphPin* GetReleasedPin() const;

private:
	/** Constructing FText strings can be costly, so we cache the node's title/tooltip */
	FNodeTextCache CachedTooltip;
	FNodeTextCache CachedNodeTitle;
};