IMenu.h

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#pragma once
 
#include "RE/F/FxDelegate.h"
#include "RE/F/FxDelegateHandler.h"
#include "RE/G/GFxMovieView.h"
#include "RE/G/GPtr.h"
#include "RE/U/UserEvents.h"
 
namespace RE
{
    class CallbackProcessor;
    class UIMessage;
 
    enum class UI_MENU_FLAGS
    {
        kNone = 0,
        kPausesGame = 1 << 0,
        kAlwaysOpen = 1 << 1,
        kUsesCursor = 1 << 2,
        kUsesMenuContext = 1 << 3,
        kModal = 1 << 4,  // prevents lower movies with this flag from advancing
        kFreezeFrameBackground = 1 << 5,
        kOnStack = 1 << 6,
        kDisablePauseMenu = 1 << 7,
        kRequiresUpdate = 1 << 8,
        kTopmostRenderedMenu = 1 << 9,
        kUpdateUsesCursor = 1 << 10,
        kAllowSaving = 1 << 11,
        kRendersOffscreenTargets = 1 << 12,
        kInventoryItemMenu = 1 << 13,
        kDontHideCursorWhenTopmost = 1 << 14,
        kCustomRendering = 1 << 15,
        kAssignCursorToRenderer = 1 << 16,
        kApplicationMenu = 1 << 17,
        kHasButtonBar = 1 << 18,
        kIsTopButtonBar = 1 << 19,
        kAdvancesUnderPauseMenu = 1 << 20,
        kRendersUnderPauseMenu = 1 << 21,
        kUsesBlurredBackground = 1 << 22,
        kCompanionAppAllowed = 1 << 23,
        kFreezeFramePause = 1 << 24,
        kSkipRenderDuringFreezeFrameScreenshot = 1 << 25,
        kLargeScaleformRenderCacheMode = 1 << 26,
        kUsesMovementToDirection = 1 << 27
    };
 
    enum class UI_MESSAGE_RESULTS
    {
        kHandled = 0,
        kIgnore = 1,
        kPassOn = 2
    };
 
    class IMenu : public FxDelegateHandler
    {
    public:
        inline static constexpr auto RTTI = RTTI_IMenu;
 
        using Context = UserEvents::INPUT_CONTEXT_ID;
        using Flag = UI_MENU_FLAGS;
 
        ~IMenu() override = default;  // 00
 
        // override (FxDelegateHandler)
        void Accept(CallbackProcessor* a_processor) override;  // 01 - { return; }
 
        // add
        virtual void               PostCreate();                                                 // 02 - { return; }
        virtual void               Unk_03(void);                                                 // 03 - { return; }
        virtual UI_MESSAGE_RESULTS ProcessMessage(UIMessage& a_message);                         // 04
        virtual void               AdvanceMovie(float a_interval, std::uint32_t a_currentTime);  // 05
        virtual void               PostDisplay();                                                // 06
        virtual void               PreDisplay();                                                 // 07 - { return; } - only available if kRendersOffscreenTargets is set
        virtual void               RefreshPlatform();                                            // 08
 
        [[nodiscard]] constexpr bool AdvancesUnderPauseMenu() const noexcept { return menuFlags.all(Flag::kAdvancesUnderPauseMenu); }
        [[nodiscard]] constexpr bool AllowSaving() const noexcept { return menuFlags.all(Flag::kAllowSaving); }
        [[nodiscard]] constexpr bool AlwaysOpen() const noexcept { return menuFlags.all(Flag::kAlwaysOpen); }
        [[nodiscard]] constexpr bool ApplicationMenu() const noexcept { return menuFlags.all(Flag::kApplicationMenu); }
        [[nodiscard]] constexpr bool AssignCursorToRenderer() const noexcept { return menuFlags.all(Flag::kAssignCursorToRenderer); }
        [[nodiscard]] constexpr bool CustomRendering() const noexcept { return menuFlags.all(Flag::kCustomRendering); }
        [[nodiscard]] constexpr bool CompanionAppAllowed() const noexcept { return menuFlags.all(Flag::kCompanionAppAllowed); }
        [[nodiscard]] constexpr bool DisablePauseMenu() const noexcept { return menuFlags.all(Flag::kDisablePauseMenu); }
        [[nodiscard]] constexpr bool DontHideCursorWhenTopmost() const noexcept { return menuFlags.all(Flag::kDontHideCursorWhenTopmost); }
        [[nodiscard]] constexpr bool FreezeFrameBackground() const noexcept { return menuFlags.all(Flag::kFreezeFrameBackground); }
        [[nodiscard]] constexpr bool FreezeFramePause() const noexcept { return menuFlags.all(Flag::kFreezeFramePause); }
        [[nodiscard]] constexpr bool HasButtonBar() const noexcept { return menuFlags.all(Flag::kHasButtonBar); }
        [[nodiscard]] constexpr bool InventoryItemMenu() const noexcept { return menuFlags.all(Flag::kInventoryItemMenu); }
        [[nodiscard]] constexpr bool IsTopButtonBar() const noexcept { return menuFlags.all(Flag::kIsTopButtonBar); }
        [[nodiscard]] constexpr bool LargeScaleformRenderCacheMode() const noexcept { return menuFlags.all(Flag::kLargeScaleformRenderCacheMode); }
        [[nodiscard]] constexpr bool Modal() const noexcept { return menuFlags.all(Flag::kModal); }
        [[nodiscard]] constexpr bool OnStack() const noexcept { return menuFlags.all(Flag::kOnStack); }
        [[nodiscard]] constexpr bool PausesGame() const noexcept { return menuFlags.all(Flag::kPausesGame); }
        [[nodiscard]] constexpr bool RendersOffscreenTargets() const noexcept { return menuFlags.all(Flag::kRendersOffscreenTargets); }
        [[nodiscard]] constexpr bool RendersUnderPauseMenu() const noexcept { return menuFlags.all(Flag::kRendersUnderPauseMenu); }
        [[nodiscard]] constexpr bool RequiresUpdate() const noexcept { return menuFlags.all(Flag::kRequiresUpdate); }
        [[nodiscard]] constexpr bool SkipRenderDuringFreezeFrameScreenshot() const noexcept { return menuFlags.all(Flag::kSkipRenderDuringFreezeFrameScreenshot); }
        [[nodiscard]] constexpr bool TopmostRenderedMenu() const noexcept { return menuFlags.all(Flag::kTopmostRenderedMenu); }
        [[nodiscard]] constexpr bool UpdateUsesCursor() const noexcept { return menuFlags.all(Flag::kUsesBlurredBackground); }
        [[nodiscard]] constexpr bool UsesBlurredBackground() const noexcept { return menuFlags.all(Flag::kUsesCursor); }
        [[nodiscard]] constexpr bool UsesCursor() const noexcept { return menuFlags.all(Flag::kUsesMenuContext); }
        [[nodiscard]] constexpr bool UsesMenuContext() const noexcept { return menuFlags.all(Flag::kUsesMovementToDirection); }
        [[nodiscard]] constexpr bool UsesMovementToDirection() const noexcept { return menuFlags.all(Flag::kUpdateUsesCursor); }
 
        // members
        GPtr<GFxMovieView>                             uiMovie{ nullptr };              // 10
        std::int8_t                                    depthPriority{ 3 };              // 18
        std::uint8_t                                   pad19{ 0 };                      // 19
        std::uint16_t                                  pad20{ 0 };                      // 1A
        stl::enumeration<UI_MENU_FLAGS, std::uint32_t> menuFlags{ Flag::kNone };        // 1C
        stl::enumeration<Context, std::uint32_t>       inputContext{ Context::kNone };  // 20
        std::uint32_t                                  pad24{ 0 };                      // 24
        GPtr<FxDelegate>                               fxDelegate{ nullptr };           // 28
    };
    static_assert(sizeof(IMenu) == 0x30);
}