FxDelegate.h

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#pragma once
 
#include "RE/F/FxDelegateHandler.h"
#include "RE/G/GFxExternalInterface.h"
#include "RE/G/GHash.h"
#include "RE/G/GPtr.h"
#include "RE/G/GString.h"
 
namespace RE
{
    class FxResponseArgsBase;
    class GFxMovieView;
 
    class FxDelegate : public GFxExternalInterface
    {
    public:
        inline static constexpr auto RTTI = RTTI_FxDelegate;
 
        struct CallbackDefn
        {
        public:
            // members
            GPtr<FxDelegateHandler>        handler{ nullptr };   // 00
            FxDelegateHandler::CallbackFn* callback{ nullptr };  // 08
        };
        static_assert(sizeof(CallbackDefn) == 0x10);
 
        struct CallbackHashFunctor
        {
        public:
            UPInt operator()(const GString& a_data) const;
        };
        static_assert(std::is_empty_v<CallbackHashFunctor>);
 
        using CallbackHash = GHash<GString, CallbackDefn, CallbackHashFunctor>;
 
        FxDelegate() = default;
        virtual ~FxDelegate() = default;  // 00
 
        // override (GFxExternalInterface)
        virtual void Callback(GFxMovieView* a_movieView, const char* a_methodName, const GFxValue* a_args, std::uint32_t a_argCount) override;  // 01
 
        static void Invoke(GFxMovieView* a_movieView, const char* a_methodName, FxResponseArgsBase& a_args);  // Call a method registered with the AS2 GameDelegate instance
        static void Invoke2(GFxMovieView* a_movieView, const char* a_methodName, FxResponseArgsBase& a_args);
 
        void RegisterHandler(FxDelegateHandler* a_callback);
        void UnregisterHandler(FxDelegateHandler* a_callback);
 
        // members
        CallbackHash callbacks;  // 18
    };
    static_assert(sizeof(FxDelegate) == 0x20);
}