InventoryComponent.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "InventoryComponent.h"
#include "Actors/InventoryItem.h"
#include "Components/ActorComponent.h"
#include "InventoryComponent.generated.h"


struct FInventoryInfo;
struct FReturnTypes;


UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
class INVENTORYSYSTEM_API UInventoryComponent : public UActorComponent
{
    GENERATED_BODY()

public:
    // Sets default values for this component's properties
    UInventoryComponent();

protected:
    // Called when the game starts
    virtual void BeginPlay() override;

public:
    // Called every frame
    virtual void TickComponent(float DeltaTime, ELevelTick TickType,
                               FActorComponentTickFunction* ThisTickFunction) override;

    //Variables

    UPROPERTY(BlueprintReadOnly,EditDefaultsOnly,Category = "Inventory")
    UDataTable* DataTable;

    UPROPERTY(BlueprintReadOnly, EditDefaultsOnly, Category = "Inventory")
    TArray<FInventoryInfo> Contents;

    //Functions

    UPROPERTY(BlueprintCallable)
    FReturnTypes FindItemInInventory(FName Data);

    UPROPERTY(BlueprintCallable)
    bool AddItem(FName Data, int Quantity);

    UPROPERTY(BlueprintCallable)
    bool DropItem(FName Data);

    UPROPERTY(BlueprintCallable)
    bool UseItem(FName Data);
};

USTRUCT(BlueprintType)
struct FInventoryInfo
{
    GENERATED_BODY()

    UPROPERTY(BlueprintReadOnly,EditDefaultsOnly)
    AInventoryItem* InventoryItem;

    UPROPERTY(BlueprintReadOnly,EditDefaultsOnly)
    int Quantity;
};

USTRUCT(BlueprintInternalUseOnly)
struct FReturnTypes
{
    GENERATED_BODY()
    UPROPERTY(BlueprintReadOnly)
    bool Success;
    UPROPERTY(BlueprintReadOnly)
    int Index;
    UPROPERTY(BlueprintInternalUseOnly)
    AInventoryItem* InventoryItem;

    FReturnTypes() : Success(false),Index(INDEX_NONE),InventoryItem(nullptr){}

};