FieldNotificationId.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "FieldNotificationVariant.h"
#include "UObject/Object.h"
 
#include "FieldNotificationId.generated.h"
 
 
namespace UE::FieldNotification
{
    
struct FFieldId
{
public:
    FFieldId() = default;
 
    explicit FFieldId(FName InFieldName, int32 InBitNumber)
        : FieldName(InFieldName)
        , BitNumber(InBitNumber)
    {
    }
 
 
public:
    bool IsValid() const
    {
        return !FieldName.IsNone();
    }
 
    int32 GetIndex() const
    {
        return BitNumber;
    }
    
    FName GetName() const
    {
        return FieldName;
    }
 
    FFieldVariant ToVariant(UObject* InContainer) const
    {
        if (InContainer && IsValid())
        {
            if (UFunction* Function = InContainer->GetClass()->FindFunctionByName(FieldName))
            {
                return FFieldVariant(Function);
            }
            else if (FProperty* Property = InContainer->GetClass()->FindPropertyByName(FieldName))
            {
                return FFieldVariant(Property);
            }
        }
        return FFieldVariant();
    }
 
    bool operator==(const FFieldId& Other) const
    {
        return FieldName == Other.FieldName;
    }
 
    bool operator!=(const FFieldId& Other) const
    {
        return FieldName != Other.FieldName;
    }
 
    friend int32 GetTypeHash(const FFieldId& Value)
    {
        return GetTypeHash(Value.FieldName);
    }
 
private:
    FName FieldName;
    int32 BitNumber;
};
 
} //namespace
 
 
USTRUCT(BlueprintType)
struct FFieldNotificationId
{
    GENERATED_BODY()
 
public:
    FFieldNotificationId() = default;
 
    explicit FFieldNotificationId(FName InFieldName)
        : FieldName(InFieldName)
    {
 
    }
 
public:
    bool IsValid() const
    {
        return !FieldName.IsNone();
    }
 
    FName GetFieldName() const
    {
        return FieldName;
    }
 
    bool operator== (const FFieldNotificationId& Other) const
    {
        return FieldName == Other.FieldName;
    }
 
    bool operator!= (const FFieldNotificationId& Other) const
    {
        return FieldName != Other.FieldName;
    }
 
    friend int32 GetTypeHash(const FFieldNotificationId& Value)
    {
        return GetTypeHash(Value.FieldName);
    }
 
public:
    UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "FieldNotify")
    FName FieldName;
};