GHashNode.h

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#pragma once
 
namespace RE
{
    template <class C, class U, class Hash>
    struct GHashNode
    {
        using SelfType = GHashNode<C, U, Hash>;
        using FirstType = C;
        using SecondType = U;
 
        struct NodeRef
        {
            const C* first;   // 00
            const U* second;  // 08
 
            NodeRef(const C& a_first, const U& a_second) :
                first(&a_first),
                second(&a_second)
            {}
 
            NodeRef(const NodeRef& a_src) :
                first(a_src.first),
                second(a_src.second)
            {}
 
            [[nodiscard]] inline UPInt GetHash() const
            {
                return Hash()(*first);
            }
 
            operator const C&() const
            {
                return *first;
            }
        };
        static_assert(sizeof(NodeRef) == 0x10);
 
        struct NodeHashF
        {
            template <class K>
            UPInt operator()(const K& a_data) const
            {
                return a_data.GetHash();
            }
        };
        static_assert(sizeof(NodeHashF) == 0x1);
 
        struct NodeAltHashF
        {
            template <class K>
            UPInt operator()(const K& a_data) const
            {
                return GHashNode<C, U, Hash>::CalcHash(a_data);
            }
        };
        static_assert(sizeof(NodeAltHashF) == 0x1);
 
        GHashNode(const NodeRef& a_src) :
            first(*a_src.first),
            second(*a_src.second)
        {}
 
        void operator=(const NodeRef& a_src)
        {
            first = *a_src.first;
            second = *a_src.second;
        }
 
        template <class K>
        bool operator==(const K& a_src) const
        {
            return (first == a_src);
        }
 
        template <class K>
        static UPInt CalcHash(const K& a_data)
        {
            return Hash()(a_data);
        }
 
        [[nodiscard]] inline UPInt GetHash() const
        {
            return Hash()(first);
        }
 
        // members
        C first;   // 00
        U second;  // ??
    };
}