TESForm.h

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#pragma once
 
#include "RE/B/BSAtomic.h"
#include "RE/B/BSCoreTypes.h"
#include "RE/B/BSFixedString.h"
#include "RE/B/BSTArray.h"
#include "RE/B/BSTHashMap.h"
#include "RE/B/BaseFormComponent.h"
#include "RE/F/FormTypes.h"
#include "RE/T/TESFile.h"
 
namespace RE
{
    class BGSLoadFormBuffer;
    class BGSSaveFormBuffer;
    class TESBoundObject;
    class TESFile;
    struct FORM;
    struct FORM_GROUP;
 
    class TESFileArray : public BSStaticArray<TESFile*>
    {
    public:
    private:
        KEEP_FOR_RE()
    };
    static_assert(sizeof(TESFileArray) == 0x10);
 
    class TESFileContainer
    {
    public:
        // members
        TESFileArray* array;  // 0
    private:
        KEEP_FOR_RE()
    };
    static_assert(sizeof(TESFileContainer) == 0x8);
 
    class TESForm : public BaseFormComponent
    {
    public:
        inline static constexpr auto RTTI = RTTI_TESForm;
        inline static constexpr auto VTABLE = VTABLE_TESForm;
        inline static constexpr auto FORMTYPE = FormType::None;
 
        struct ChangeFlags
        {
            enum ChangeFlag : std::uint32_t
            {
                kCreated = 0,
                kFlags = 1 << 0
            };
        };
 
        struct RecordFlags
        {
            enum RecordFlag : std::uint32_t
            {
                kDestructible = 1 << 0,
                kMaster = 1 << 0,
                kUnlocked = 1 << 0,
 
                kAltered = 1 << 1,
                kPlayable = 1 << 2,
                kInitialized = 1 << 3,
                kNonOccluder = 1 << 4,
                kDeleted = 1 << 5,
 
                kBorderRegion = 1 << 6,
                kGlobalConstant = 1 << 6,
                kHasSpokenFlag = 1 << 6,
                kKnown = 1 << 6,
                kInPlaceableWater = 1 << 6,
 
                kFireOff = 1 << 7,
                kMustUpdate = 1 << 8,
                kOnLocalMap = 1 << 9,
                kPersistent = 1 << 10,
 
                kDisabled = 1 << 11,
                kUsedAsMovingPlatform = 1 << 11,
 
                kIgnored = 1 << 12,
 
                kEmpty = 1 << 13,
                kResetDestruction = 1 << 13,
 
                kTemporary = 1 << 14,
                kMustBeVisibleDistant = 1 << 15,
                kRandomAnim = 1 << 16,
                kDangerous = 1 << 17,
                kHasCurrents = 1 << 19,
                kIgnoreFriendlyHits = 1 << 20,
                kStillLoading = 1 << 21,
                kFormRetainsID = 1 << 22,
                kDestroyed = 1 << 23,
 
                kUnk24 = 1 << 24,
 
                kNoAIAcquire = 1 << 25,
                kObstacle = 1 << 25,
 
                kVATSTargetOverride = 1 << 26,
                kDisableFade = 1 << 27,
 
                kReflectedByAutoWater = 1 << 28,
                kShowOnWorldMap = 1 << 28,
 
                kChildCanUse = 1 << 29
            };
        };
 
        enum class InGameFormFlag
        {
            kNone = 0,
            kWantsDelete = 1 << 0,
            kForcedPersistent = 1 << 1,
            kNoFavorAllowed = 1 << 4,
            kIsSkyObject = 1 << 5,
            kRefOriginalPersistent = 1 << 6,
            kRefPermanentlyDeleted = 1 << 7
        };
 
        ~TESForm() override;  // 00
 
        // override (BaseFormComponent)
        void InitializeDataComponent() override;                // 01 - { return; }
        void ClearDataComponent() override;                     // 02 - { SetEditorID(""); }
        void CopyComponent(BaseFormComponent* a_rhs) override;  // 03
 
        // add
        virtual void                               InitializeData();                                                                                                                                // 04 - { return; }
        virtual void                               ClearData();                                                                                                                                     // 05 - { return; }
        virtual bool                               Load(TESFile* a_mod);                                                                                                                            // 06 - { return true; }
        virtual bool                               LoadPartial(TESFile* a_mod);                                                                                                                     // 07 - { return true; }
        virtual bool                               LoadEdit(TESFile* a_mod);                                                                                                                        // 08 - { return Load(a_mod); }
        virtual TESForm*                           CreateDuplicateForm(bool a_createEditorID, void* a_arg2);                                                                                        // 09
        virtual bool                               AddChange(std::uint32_t a_changeFlags);                                                                                                          // 0A
        virtual void                               RemoveChange(std::uint32_t a_changeFlags);                                                                                                       // 0B
        virtual bool                               FindInFileFast(TESFile* a_mod);                                                                                                                  // 0C - { return false; }
        virtual bool                               CheckSaveGame(BGSSaveFormBuffer* a_buf);                                                                                                         // 0D - { return true; }
        virtual void                               SaveGame(BGSSaveFormBuffer* a_buf);                                                                                                              // 0E
        virtual void                               LoadGame(BGSLoadFormBuffer* a_buf);                                                                                                              // 0F
        virtual void                               InitLoadGame(BGSLoadFormBuffer* a_buf);                                                                                                          // 10 - { return; }
        virtual void                               FinishLoadGame(BGSLoadFormBuffer* a_buf);                                                                                                        // 11 - { return; }
        virtual void                               Revert(BGSLoadFormBuffer* a_buf);                                                                                                                // 12 - { return; }
        virtual void                               InitItemImpl();                                                                                                                                  // 13 - { return; }
        [[nodiscard]] virtual TESFile*             GetDescriptionOwnerFile() const;                                                                                                                 // 14 - returns the file that last modified this form
        [[nodiscard]] virtual FormType             GetSavedFormType() const;                                                                                                                        // 15 - { return formType; }
        virtual void                               GetFormDetailedString(char* a_buf, std::uint32_t a_bufLen);                                                                                      // 16 - { return std::sprintf_s(a_buf, a_bufLen, "%s Form '%s' (%08X)", g_formStrings[3 * formID], "", formID); }
        [[nodiscard]] virtual bool                 GetKnown() const;                                                                                                                                // 17 - { return (flags >> 6 ) & 1; }
        [[nodiscard]] virtual bool                 GetRandomAnim() const;                                                                                                                           // 18 - { return (flags >> 16) & 1; }
        [[nodiscard]] virtual bool                 GetPlayable() const;                                                                                                                             // 19 - { return (flags >> 2) & 1; }
        [[nodiscard]] virtual bool                 IsHeadingMarker() const;                                                                                                                         // 1A - { return false; }
        [[nodiscard]] virtual bool                 GetDangerous() const;                                                                                                                            // 1B - { return (flags >> 17) & 1; }
        [[nodiscard]] virtual bool                 QHasCurrents() const;                                                                                                                            // 1C - { return (flags >> 19) & 1; }
        [[nodiscard]] virtual bool                 GetObstacle() const;                                                                                                                             // 1D - { return (flags >> 25) & 1; }
        [[nodiscard]] virtual bool                 QIsLODLandObject() const;                                                                                                                        // 1E - { return false; }
        [[nodiscard]] virtual bool                 GetOnLocalMap() const;                                                                                                                           // 1F - { return (flags >> 9) & 1; }
        [[nodiscard]] virtual bool                 GetMustUpdate() const;                                                                                                                           // 20 - { return (flags >> 8) & 1; }
        virtual void                               SetOnLocalMap(bool a_set);                                                                                                                       // 21 - { if (a_set) flags &= 0xFFFFFDFF; else flags |= 0x200; }
        [[nodiscard]] virtual bool                 GetIgnoredBySandbox() const;                                                                                                                     // 22 - { return false; }
        virtual void                               SetDelete(bool a_set);                                                                                                                           // 23 - { bool result = (flags >> 5) & 1; if (result != a_set) { if (a_set) flags |= 0x20; else flags &= 0xFFFFFFDF; AddChange(1); return result; }
        virtual void                               SetAltered(bool a_set);                                                                                                                          // 24
        virtual void                               SaveObjectBound();                                                                                                                               // 25 - { return; }
        virtual void                               LoadObjectBound(TESFile* a_mod);                                                                                                                 // 26 - { return; }
        [[nodiscard]] virtual bool                 IsBoundObject() const;                                                                                                                           // 27 - { return false; }
        [[nodiscard]] virtual bool                 IsObject() const;                                                                                                                                // 28 - { return false; }
        [[nodiscard]] virtual bool                 IsMagicItem() const;                                                                                                                             // 29 - { return false; }
        [[nodiscard]] virtual bool                 IsWater() const;                                                                                                                                 // 2A - { return false; }
        virtual TESObjectREFR*                     AsReference1();                                                                                                                                  // 2B - { return 0; }
        [[nodiscard]] virtual const TESObjectREFR* AsReference2() const;                                                                                                                            // 2C - { return 0; }
        [[nodiscard]] virtual std::uint32_t        GetRefCount() const;                                                                                                                             // 2D - { return 0; }
        [[nodiscard]] virtual const char*          GetTextForParsedSubTag(const BSFixedString& a_tag) const;                                                                                        // 2E
        virtual void                               Copy(TESForm* a_srcForm);                                                                                                                        // 2F - { return; }
        virtual bool                               BelongsInGroup(FORM* a_form, bool a_allowParentGroups, bool a_currentOnly);                                                                      // 30
        virtual void                               CreateGroupData(FORM* a_form, FORM_GROUP* a_group);                                                                                              // 31
        [[nodiscard]] virtual const char*          GetFormEditorID() const;                                                                                                                         // 32 - { return ""; }
        virtual bool                               SetFormEditorID(const char* a_str);                                                                                                              // 33 - { return true; }
        virtual bool                               IsParentForm();                                                                                                                                  // 34 - { return false; }
        virtual bool                               IsParentFormTree();                                                                                                                              // 35 - { return false; }
        virtual bool                               IsFormTypeChild(FormType a_type);                                                                                                                // 36 - { return false; }
        virtual bool                               Activate(TESObjectREFR* a_targetRef, TESObjectREFR* a_activatorRef, std::uint8_t a_arg3, TESBoundObject* a_object, std::int32_t a_targetCount);  // 37 - { return false; }
        virtual void                               SetFormID(FormID a_id, bool a_updateFile);                                                                                                       // 38
        [[nodiscard]] virtual const char*          GetObjectTypeName() const;                                                                                                                       // 39 - { return ""; }
        [[nodiscard]] virtual bool                 QAvailableInGame() const;                                                                                                                        // 3A - { return true; }
 
        static void AddCompileIndex(FormID& a_id, TESFile* a_file)
        {
            using func_t = decltype(&TESForm::AddCompileIndex);
            static REL::Relocation<func_t> func{ RELOCATION_ID(14509, 14667) };
            func(a_id, a_file);
        }
 
        [[nodiscard]] static auto GetAllForms()
            -> std::pair<
                BSTHashMap<FormID, TESForm*>*,
                std::reference_wrapper<BSReadWriteLock>>
        {
            static REL::Relocation<BSTHashMap<FormID, TESForm*>**> allForms{ RELOCATION_ID(514351, 400507) };
            static REL::Relocation<BSReadWriteLock*>               allFormsMapLock{ RELOCATION_ID(514360, 400517) };
            return { *allForms, std::ref(*allFormsMapLock) };
        }
 
        [[nodiscard]] static auto GetAllFormsByEditorID()
            -> std::pair<
                BSTHashMap<BSFixedString, TESForm*>*,
                std::reference_wrapper<BSReadWriteLock>>
        {
            static REL::Relocation<BSTHashMap<BSFixedString, TESForm*>**> allFormsByEditorID{ RELOCATION_ID(514352, 400509) };
            static REL::Relocation<BSReadWriteLock*>                      allFormsEditorIDMapLock{ RELOCATION_ID(514361, 400518) };
            return { *allFormsByEditorID, std::ref(*allFormsEditorIDMapLock) };
        }
 
        [[nodiscard]] static TESForm* LookupByID(FormID a_formID)
        {
            const auto& [map, lock] = GetAllForms();
            [[maybe_unused]] const BSReadWriteLock l{ lock };
            if (map) {
                const auto it = map->find(a_formID);
                return it != map->end() ? it->second : nullptr;
            } else {
                return nullptr;
            }
        }
 
        template <class T>
        [[nodiscard]] static T* LookupByID(FormID a_formID)
        {
            const auto form = LookupByID(a_formID);
            return form ? form->As<T>() : nullptr;
        }
 
        [[nodiscard]] static TESForm* LookupByEditorID(const std::string_view& a_editorID)
        {
            const auto& [map, lock] = GetAllFormsByEditorID();
            [[maybe_unused]] const BSReadWriteLock l{ lock };
            if (map) {
                const auto it = map->find(a_editorID);
                return it != map->end() ? it->second : nullptr;
            } else {
                return nullptr;
            }
        }
 
        template <class T>
        [[nodiscard]] static T* LookupByEditorID(const std::string_view& a_editorID)
        {
            const auto form = LookupByEditorID(a_editorID);
            return form ? form->As<T>() : nullptr;
        }
 
        template <
            class T,
            class = std::enable_if_t<
                std::negation_v<
                    std::disjunction<
                        std::is_pointer<T>,
                        std::is_reference<T>,
                        std::is_const<T>,
                        std::is_volatile<T>>>>>
        [[nodiscard]] T* As() noexcept;
 
        template <
            class T,
            class = std::enable_if_t<
                std::negation_v<
                    std::disjunction<
                        std::is_pointer<T>,
                        std::is_reference<T>,
                        std::is_const<T>,
                        std::is_volatile<T>>>>>
        [[nodiscard]] const T* As() const noexcept;
 
        [[nodiscard]] TESObjectREFR*       AsReference() { return AsReference1(); }
        [[nodiscard]] const TESObjectREFR* AsReference() const { return AsReference2(); }
 
        [[nodiscard]] TESFile* GetFile(std::int32_t a_idx = -1) const
        {
            const auto array = sourceFiles.array;
            if (!array || array->empty()) {
                return nullptr;
            }
 
            if (a_idx < 0 || static_cast<std::uint32_t>(a_idx) >= array->size()) {
                return array->back();
            } else {
                return (*array)[a_idx];
            }
        }
 
        [[nodiscard]] std::uint32_t GetFormFlags() const noexcept { return formFlags; }
        [[nodiscard]] FormID        GetFormID() const noexcept { return formID; }
        [[nodiscard]] FormType      GetFormType() const noexcept { return *formType; }
        [[nodiscard]] std::int32_t  GetGoldValue() const;
 
        [[nodiscard]] FormID GetLocalFormID()
        {
            auto file = GetFile(0);
 
            RE::FormID fileIndex = file->compileIndex << (3 * 8);
            fileIndex += file->smallFileCompileIndex << ((1 * 8) + 4);
 
            return formID & ~fileIndex;
        }
 
        [[nodiscard]] const char* GetName() const;
        [[nodiscard]] float       GetWeight() const;
        [[nodiscard]] bool        HasKeywordInArray(const std::vector<BGSKeyword*>& a_keywords, bool a_matchAll) const;
        [[nodiscard]] bool        HasAnyKeywordByEditorID(const std::vector<std::string>& editorIDs) const;
        [[nodiscard]] bool        HasKeywordByEditorID(std::string_view a_editorID);
        [[nodiscard]] bool        HasKeywordInList(BGSListForm* a_keywordList, bool a_matchAll) const;
        [[nodiscard]] bool        HasVMAD() const;
        [[nodiscard]] bool        HasWorldModel() const noexcept;
        void                      InitItem() { InitItemImpl(); }
 
        [[nodiscard]] bool Is(FormType a_type) const noexcept { return GetFormType() == a_type; }
 
        template <class... Args>
        [[nodiscard]] bool Is(Args... a_args) const noexcept  //
            requires(std::same_as<Args, FormType>&&...)
        {
            return (Is(a_args) || ...);
        }
 
        [[nodiscard]] bool IsAmmo() const noexcept { return Is(FormType::Ammo); }
        [[nodiscard]] bool IsArmor() const noexcept { return Is(FormType::Armor); }
        [[nodiscard]] bool IsBook() const noexcept { return Is(FormType::Book); }
        [[nodiscard]] bool IsDeleted() const noexcept { return (GetFormFlags() & RecordFlags::kDeleted) != 0; }
        [[nodiscard]] bool IsDynamicForm() const noexcept { return GetFormID() >= 0xFF000000; }
        [[nodiscard]] bool IsGold() const noexcept { return GetFormID() == 0x0000000F; }
        [[nodiscard]] bool IsIgnored() const noexcept { return (GetFormFlags() & RecordFlags::kIgnored) != 0; }
        [[nodiscard]] bool IsInventoryObject() const;
        [[nodiscard]] bool IsInitialized() const noexcept { return (GetFormFlags() & RecordFlags::kInitialized) != 0; }
        [[nodiscard]] bool IsKey() const noexcept { return Is(FormType::KeyMaster); }
        [[nodiscard]] bool IsLockpick() const noexcept { return GetFormID() == 0x0000000A; }
        [[nodiscard]] bool IsNot(FormType a_type) const noexcept { return !Is(a_type); }
 
        template <class... Args>
        [[nodiscard]] bool IsNot(Args... a_args) const noexcept  //
            requires(std::same_as<Args, FormType>&&...)
        {
            return (IsNot(a_args) && ...);
        }
 
        [[nodiscard]] bool IsNote() const noexcept { return Is(FormType::Note); }
        [[nodiscard]] bool IsPlayer() const noexcept { return GetFormID() == 0x00000007; }
        [[nodiscard]] bool IsPlayerRef() const noexcept { return GetFormID() == 0x00000014; }
        [[nodiscard]] bool IsSkooma() const noexcept { return (GetFormID() == 0x00057A7A || GetFormID() == 0x0201391D); }
        [[nodiscard]] bool IsSoulGem() const noexcept { return Is(FormType::SoulGem); }
        [[nodiscard]] bool IsWeapon() const noexcept { return Is(FormType::Weapon); }
 
        void SetPlayerKnows(bool a_known);
 
        // members
        TESFileContainer                            sourceFiles;      // 08
        std::uint32_t                               formFlags;        // 10
        FormID                                      formID;           // 14
        REX::EnumSet<InGameFormFlag, std::uint16_t> inGameFormFlags;  // 18
        REX::EnumSet<FormType, std::uint8_t>        formType;         // 1A
        std::uint8_t                                pad1B;            // 1B
        std::uint32_t                               pad1C;            // 1C
    private:
        KEEP_FOR_RE()
    };
    static_assert(sizeof(TESForm) == 0x20);
}