Add base for IW5 menu parsing based on IW4 menu parser

src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderMenuDef.cpp

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+#include "AssetLoaderMenuDef.h"
+
+#include <cstring>
+
+#include "ObjLoading.h"
+#include "Game/IW5/IW5.h"
+#include "Pool/GlobalAssetPool.h"
+
+using namespace IW5;
+
+void* AssetLoaderMenuDef::CreateEmptyAsset(const std::string& assetName, MemoryManager* memory)
+{
+    auto* menu = memory->Create<menuDef_t>();
+    memset(menu, 0, sizeof(menuDef_t));
+    menu->window.name = memory->Dup(assetName.c_str());
+    return menu;
+}

src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderMenuDef.h

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+#pragma once
+
+#include "Game/IW5/IW5.h"
+#include "AssetLoading/BasicAssetLoader.h"
+#include "SearchPath/ISearchPath.h"
+
+namespace IW5
+{
+    class AssetLoaderMenuDef final : public BasicAssetLoader<ASSET_TYPE_MENU, menuDef_t>
+    {
+    public:
+        _NODISCARD void* CreateEmptyAsset(const std::string& assetName, MemoryManager* memory) override;
+    };
+}

src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderMenuList.cpp

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+#include "AssetLoaderMenuList.h"
+
+#include <cstring>
+#include <iostream>
+
+#include "ObjLoading.h"
+#include "Game/IW5/IW5.h"
+#include "Game/IW5/Menu/MenuConversionZoneStateIW5.h"
+#include "Game/IW5/Menu/MenuConverterIW5.h"
+#include "Parsing/Menu/MenuFileReader.h"
+#include "Pool/GlobalAssetPool.h"
+
+using namespace IW5;
+
+namespace IW5
+{
+    class MenuLoader
+    {
+    public:
+        static bool ProcessParsedResults(const std::string& fileName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, menu::ParsingResult* parsingResult,
+                                         menu::MenuAssetZoneState* zoneState, MenuConversionZoneState* conversionState, std::vector<menuDef_t*>& menus,
+                                         std::vector<XAssetInfoGeneric*>& menuListDependencies)
+        {
+            const auto menuCount = parsingResult->m_menus.size();
+            const auto functionCount = parsingResult->m_functions.size();
+            const auto menuLoadCount = parsingResult->m_menus_to_load.size();
+            auto totalItemCount = 0u;
+            for (const auto& menu : parsingResult->m_menus)
+                totalItemCount += menu->m_items.size();
+
+            std::cout << "Successfully read menu file \"" << fileName << "\" (" << menuLoadCount << " loads, " << menuCount << " menus, " << functionCount << " functions, " << totalItemCount <<
+                " items)\n";
+
+            // Add all functions to the zone state to make them available for all menus to be converted
+            for (auto& function : parsingResult->m_functions)
+                zoneState->AddFunction(std::move(function));
+
+            // Prepare a list of all menus of this file
+            std::vector<XAssetInfo<menuDef_t>*> allMenusOfFile;
+            allMenusOfFile.reserve(parsingResult->m_menus.size());
+
+            // Convert all menus and add them as assets
+            for (auto& menu : parsingResult->m_menus)
+            {
+                MenuConverter converter(ObjLoading::Configuration.MenuNoOptimization, searchPath, memory, manager);
+                auto* menuAsset = converter.ConvertMenu(*menu);
+                if (menuAsset == nullptr)
+                {
+                    std::cout << "Failed to convert menu file \"" << menu->m_name << "\"\n";
+                    return false;
+                }
+
+                menus.push_back(menuAsset);
+                auto* menuAssetInfo = manager->AddAsset(ASSET_TYPE_MENU, menu->m_name, menuAsset, std::move(converter.GetDependencies()), std::vector<scr_string_t>());
+
+                if (menuAssetInfo)
+                {
+                    allMenusOfFile.push_back(reinterpret_cast<XAssetInfo<menuDef_t>*>(menuAssetInfo));
+                    menuListDependencies.push_back(menuAssetInfo);
+                }
+
+                zoneState->AddMenu(std::move(menu));
+            }
+
+            // Register this file with all loaded menus
+            conversionState->AddLoadedFile(fileName, std::move(allMenusOfFile));
+
+            return true;
+        }
+
+        static MenuList* CreateMenuListAsset(const std::string& assetName, MemoryManager* memory, const std::vector<menuDef_t*>& menus)
+        {
+            auto* menuListAsset = memory->Create<MenuList>();
+            menuListAsset->name = memory->Dup(assetName.c_str());
+            menuListAsset->menuCount = static_cast<int>(menus.size());
+
+            if (menuListAsset->menuCount > 0)
+            {
+                menuListAsset->menus = static_cast<menuDef_t**>(memory->Alloc(sizeof(uintptr_t) * menuListAsset->menuCount));
+                for (auto i = 0; i < menuListAsset->menuCount; i++)
+                    menuListAsset->menus[i] = menus[i];
+            }
+            else
+                menuListAsset->menus = nullptr;
+
+            return menuListAsset;
+        }
+
+        static std::unique_ptr<menu::ParsingResult> ParseMenuFile(const std::string& menuFileName, ISearchPath* searchPath, const menu::MenuAssetZoneState* zoneState)
+        {
+            const auto file = searchPath->Open(menuFileName);
+            if (!file.IsOpen())
+                return nullptr;
+
+            menu::MenuFileReader reader(*file.m_stream, menuFileName, menu::FeatureLevel::IW5, [searchPath](const std::string& filename, const std::string& sourceFile) -> std::unique_ptr<std::istream>
+            {
+                auto foundFileToInclude = searchPath->Open(filename);
+                if (!foundFileToInclude.IsOpen() || !foundFileToInclude.m_stream)
+                    return nullptr;
+
+                return std::move(foundFileToInclude.m_stream);
+            });
+
+            reader.IncludeZoneState(zoneState);
+            reader.SetPermissiveMode(ObjLoading::Configuration.MenuPermissiveParsing);
+
+            return reader.ReadMenuFile();
+        }
+    };
+}
+
+void* AssetLoaderMenuList::CreateEmptyAsset(const std::string& assetName, MemoryManager* memory)
+{
+    auto* menuList = memory->Create<MenuList>();
+    memset(menuList, 0, sizeof(MenuList));
+    menuList->name = memory->Dup(assetName.c_str());
+    return menuList;
+}
+
+bool AssetLoaderMenuList::CanLoadFromRaw() const
+{
+    return true;
+}
+
+bool BuildMenuFileQueue(std::deque<std::string>& menuLoadQueue, const std::string& menuListAssetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, menu::MenuAssetZoneState* zoneState,
+                                           MenuConversionZoneState* conversionState, std::vector<menuDef_t*>& menus, std::vector<XAssetInfoGeneric*>& menuListDependencies)
+{
+    const auto alreadyLoadedMenuListFileMenus = conversionState->m_menus_by_filename.find(menuListAssetName);
+
+    if (alreadyLoadedMenuListFileMenus == conversionState->m_menus_by_filename.end())
+    {
+        const auto menuListResult = MenuLoader::ParseMenuFile(menuListAssetName, searchPath, zoneState);
+        if (menuListResult)
+        {
+            MenuLoader::ProcessParsedResults(menuListAssetName, searchPath, memory, manager, menuListResult.get(), zoneState, conversionState, menus, menuListDependencies);
+
+            for (const auto& menuToLoad : menuListResult->m_menus_to_load)
+                menuLoadQueue.push_back(menuToLoad);
+
+            zoneState->AddMenusToLoad(menuListAssetName, std::move(menuListResult->m_menus_to_load));
+        }
+        else
+            return false;
+    }
+
+    return true;
+}
+
+void LoadMenuFileFromQueue(const std::string& menuFilePath, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, menu::MenuAssetZoneState* zoneState,
+    MenuConversionZoneState* conversionState, std::vector<menuDef_t*>& menus, std::vector<XAssetInfoGeneric*>& menuListDependencies)
+{
+    const auto alreadyLoadedMenuFile = conversionState->m_menus_by_filename.find(menuFilePath);
+    if (alreadyLoadedMenuFile != conversionState->m_menus_by_filename.end())
+    {
+        std::cout << "Already loaded \"" << menuFilePath << "\", skipping\n";
+        for (auto* menu : alreadyLoadedMenuFile->second)
+        {
+            menus.push_back(menu->Asset());
+            menuListDependencies.push_back(menu);
+        }
+        return;
+    }
+
+    const auto menuFileResult = MenuLoader::ParseMenuFile(menuFilePath, searchPath, zoneState);
+    if (menuFileResult)
+    {
+        MenuLoader::ProcessParsedResults(menuFilePath, searchPath, memory, manager, menuFileResult.get(), zoneState, conversionState, menus, menuListDependencies);
+        if (!menuFileResult->m_menus_to_load.empty())
+            std::cout << "WARNING: Menu file has menus to load even though it is not a menu list, ignoring: \"" << menuFilePath << "\"\n";
+    }
+    else
+        std::cerr << "Could not read menu file \"" << menuFilePath << "\"\n";
+}
+
+bool AssetLoaderMenuList::LoadFromRaw(const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const
+{
+    std::vector<menuDef_t*> menus;
+    std::vector<XAssetInfoGeneric*> menuListDependencies;
+
+    auto* zoneState = manager->GetAssetLoadingContext()->GetZoneAssetLoaderState<menu::MenuAssetZoneState>();
+    auto* conversionState = manager->GetAssetLoadingContext()->GetZoneAssetLoaderState<MenuConversionZoneState>();
+
+    std::deque<std::string> menuLoadQueue;
+    if (!BuildMenuFileQueue(menuLoadQueue, assetName, searchPath, memory, manager, zoneState, conversionState, menus, menuListDependencies))
+        return false;
+
+    while(!menuLoadQueue.empty())
+    {
+        const auto& menuFileToLoad = menuLoadQueue.front();
+
+        LoadMenuFileFromQueue(menuFileToLoad, searchPath, memory, manager, zoneState, conversionState, menus, menuListDependencies);
+
+        menuLoadQueue.pop_front();
+    }
+
+    auto* menuListAsset = MenuLoader::CreateMenuListAsset(assetName, memory, menus);
+
+    if (menuListAsset)
+        manager->AddAsset(ASSET_TYPE_MENULIST, assetName, menuListAsset, menuListDependencies, std::vector<scr_string_t>());
+
+    return true;
+}
+
+void AssetLoaderMenuList::FinalizeAssetsForZone(AssetLoadingContext* context) const
+{
+    context->GetZoneAssetLoaderState<MenuConversionZoneState>()->FinalizeSupportingData();
+}

src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderMenuList.h

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+#pragma once
+
+#include "Game/IW5/IW5.h"
+#include "AssetLoading/BasicAssetLoader.h"
+#include "AssetLoading/IAssetLoadingManager.h"
+#include "SearchPath/ISearchPath.h"
+
+namespace IW5
+{
+    class AssetLoaderMenuList final : public BasicAssetLoader<ASSET_TYPE_MENULIST, MenuList>
+    {
+    public:
+        _NODISCARD void* CreateEmptyAsset(const std::string& assetName, MemoryManager* memory) override;
+        _NODISCARD bool CanLoadFromRaw() const override;
+        bool LoadFromRaw(const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const override;
+        void FinalizeAssetsForZone(AssetLoadingContext* context) const override;
+    };
+}