PropertyWithSetterAndGetter.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
#include "UObject/UnrealType.h"
 
 
template <typename PropertyBaseClass>
class TPropertyWithSetterAndGetter : public PropertyBaseClass
{
public:
    template <typename PropertyCodegenParams>
    TPropertyWithSetterAndGetter(FFieldVariant InOwner, const PropertyCodegenParams& Prop)
        : PropertyBaseClass(InOwner, Prop)
        , SetterFunc(Prop.SetterFunc)
        , GetterFunc(Prop.GetterFunc)
    {
    }
 
#if UE_WITH_CONSTINIT_UOBJECT
    template<typename... ArgTypes>
    consteval TPropertyWithSetterAndGetter(SetterFuncPtr InSetterFunc, GetterFuncPtr InGetterFunc, UE::CodeGen::ConstInit::FPropertyParams PropertyParams, ArgTypes&&... InArgs)
        : PropertyBaseClass(PropertyParams, Forward<ArgTypes>(InArgs)...)
        , SetterFunc(InSetterFunc)
        , GetterFunc(InGetterFunc)
    {
    }
#endif
 
    virtual bool HasSetter() const override
    {
        return !!SetterFunc;
    }
 
    virtual bool HasGetter() const override
    {
        return !!GetterFunc;
    }
 
    virtual bool HasSetterOrGetter() const override
    {
        return !!SetterFunc || !!GetterFunc;
    }
 
    virtual void CallSetter(void* Container, const void* InValue) const override
    {
        checkf(SetterFunc, TEXT("Calling a setter on %s but the property has no setter defined."), *PropertyBaseClass::GetFullName());
        SetterFunc(Container, InValue);
    }
 
    virtual void CallGetter(const void* Container, void* OutValue) const override
    {
        checkf(GetterFunc, TEXT("Calling a getter on %s but the property has no getter defined."), *PropertyBaseClass::GetFullName());
        GetterFunc(Container, OutValue);
    }
 
protected:
 
    SetterFuncPtr SetterFunc = nullptr;
    GetterFuncPtr GetterFunc = nullptr;
};