RealtimeStyleTransferRuntime/Source/LyraGame/Weapons/LyraWeaponInstance.h

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

#pragma once

#include "Cosmetics/LyraCosmeticAnimationTypes.h"
#include "Equipment/LyraEquipmentInstance.h"
#include "Templates/SubclassOf.h"
#include "UObject/UObjectGlobals.h"

#include "LyraWeaponInstance.generated.h"

class UAnimInstance;
class UObject;
struct FFrame;
struct FGameplayTagContainer;

/**
 * ULyraWeaponInstance
 *
 * A piece of equipment representing a weapon spawned and applied to a pawn
 */
UCLASS()
class ULyraWeaponInstance : public ULyraEquipmentInstance
{
	GENERATED_BODY()

public:
	ULyraWeaponInstance(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());

	//~ULyraEquipmentInstance interface
	virtual void OnEquipped();
	virtual void OnUnequipped();
	//~End of ULyraEquipmentInstance interface

	UFUNCTION(BlueprintCallable)
	void UpdateFiringTime();

	// Returns how long it's been since the weapon was interacted with (fired or equipped)
	UFUNCTION(BlueprintPure)
	float GetTimeSinceLastInteractedWith() const;

protected:
	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=Animation)
	FLyraAnimLayerSelectionSet EquippedAnimSet;

	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=Animation)
	FLyraAnimLayerSelectionSet UneuippedAnimSet;

	// Choose the best layer from EquippedAnimSet or UneuippedAnimSet based on the specified gameplay tags
	UFUNCTION(BlueprintCallable, BlueprintPure=false, Category=Animation)
	TSubclassOf<UAnimInstance> PickBestAnimLayer(bool bEquipped, const FGameplayTagContainer& CosmeticTags) const;

private:
	double TimeLastEquipped = 0.0;
	double TimeLastFired = 0.0;
};