Link xrGame to xr_3da directly

Author: Xottab-DUTY

src/xrEngine/Engine.cpp

@@ -61,7 +61,7 @@ void CheckAndSetupRenderer()
 
 extern void msCreate(pcstr name);
 
-void CEngine::Initialize(void)
+void CEngine::Initialize(GameModule* game)
 {
     ZoneScoped;
 #ifdef DEBUG
@@ -77,7 +77,7 @@ void CEngine::Initialize(void)
 
     CheckAndSetupRenderer();
 
-    External.Initialize();
+    External.Initialize(game);
     Sheduler.Initialize();
 }
 

src/xrEngine/Engine.h

@@ -33,7 +33,7 @@ class ENGINE_API CEngine final : public pureFrame, public IEventReceiver
     CSheduler Sheduler;
     CSoundManager Sound;
 
-    void Initialize();
+    void Initialize(GameModule* game);
     void Destroy();
 
     void OnEvent(EVENT E, u64 P1, u64 P2) override;

src/xrEngine/EngineAPI.cpp

@@ -4,28 +4,37 @@
 //////////////////////////////////////////////////////////////////////
 
 #include "stdafx.h"
+
 #include "EngineAPI.h"
 #include "XR_IOConsole.h"
 
-#include "xrCore/ModuleLookup.hpp"
 #include "xrCore/xr_token.h"
+#include "xrCore/ModuleLookup.hpp"
 #include "xrCore/Threading/ParallelForEach.hpp"
 
 #include "xrScriptEngine/ScriptExporter.hpp"
 
+#include <array>
+
 extern xr_vector<xr_token> VidQualityToken;
 
 constexpr pcstr GET_RENDERER_MODULE_FUNC = "GetRendererModule";
 
-constexpr pcstr r4_library     = "xrRender_R4";
-constexpr pcstr gl_library     = "xrRender_GL";
+using GetRendererModule = RendererModule*();
 
-constexpr pcstr RENDER_LIBRARIES[] =
+struct RendererDesc
 {
-    r4_library,
-    gl_library
+    pcstr libraryName;
+    XRay::Module handle;
+    RendererModule* module;
 };
 
+std::array<RendererDesc, 2> g_render_modules =
+{{
+    { "xrRender_R4", nullptr, nullptr },
+    { "xrRender_GL", nullptr, nullptr },
+}};
+
 //////////////////////////////////////////////////////////////////////
 // Construction/Destruction
 //////////////////////////////////////////////////////////////////////
@@ -99,56 +108,40 @@ void CEngineAPI::SelectRenderer()
     Log("Selected renderer:", selected_mode);
 }
 
-void CEngineAPI::Initialize(void)
+void CEngineAPI::Initialize(GameModule* game)
 {
     ZoneScoped;
 
     SelectRenderer();
 
-    hGame = XRay::LoadModule("xrGame");
     if (!CanSkipGameModuleLoading())
     {
-        R_ASSERT2(hGame->IsLoaded(), "! Game DLL raised exception during loading or there is no game DLL at all");
-
-        pCreate = (Factory_Create*)hGame->GetProcAddress("xrFactory_Create");
+        gameModule = game;
+        gameModule->initialize(pCreate, pDestroy);
         R_ASSERT(pCreate);
-
-        pDestroy = (Factory_Destroy*)hGame->GetProcAddress("xrFactory_Destroy");
         R_ASSERT(pDestroy);
-
-        pInitializeGame = (InitializeGameLibraryProc)hGame->GetProcAddress("initialize_library");
-        R_ASSERT(pInitializeGame);
-
-        pFinalizeGame = (FinalizeGameLibraryProc)hGame->GetProcAddress("finalize_library");
-        R_ASSERT(pFinalizeGame);
-
-        pInitializeGame();
     }
 
     CloseUnusedLibraries();
 }
 
-void CEngineAPI::Destroy(void)
+void CEngineAPI::Destroy()
 {
     ZoneScoped;
-    if (pFinalizeGame)
-        pFinalizeGame();
 
-    pInitializeGame = nullptr;
-    pFinalizeGame = nullptr;
+    if (gameModule)
+        gameModule->finalize();
+
     pCreate = nullptr;
     pDestroy = nullptr;
 
-    hGame = nullptr;
-
-    renderers.clear();
     XRC.r_clear_compact();
 }
 
 void CEngineAPI::CloseUnusedLibraries()
 {
     ZoneScoped;
-    for (RendererDesc& desc : renderers)
+    for (RendererDesc& desc : g_render_modules)
     {
         if (desc.module != selectedRenderer)
             desc.handle = nullptr;
@@ -162,35 +155,29 @@ void CEngineAPI::CreateRendererList()
 
     ZoneScoped;
 
-    const auto loadLibrary = [&](pcstr library) -> bool
+    const auto loadLibrary = [&](RendererDesc& desc) -> bool
     {
-        auto handle = XRay::LoadModule(library);
+        auto handle = XRay::LoadModule(desc.libraryName);
         if (!handle->IsLoaded())
             return false;
 
-        const auto getModule = (GetRendererModule)handle->GetProcAddress(GET_RENDERER_MODULE_FUNC);
+        const auto getModule = reinterpret_cast<GetRendererModule*>(handle->GetProcAddress(GET_RENDERER_MODULE_FUNC));
         RendererModule* module = getModule ? getModule() : nullptr;
         if (!module)
             return false;
 
-        renderers.emplace_back(RendererDesc({ library, std::move(handle), module }));
+        desc.handle = std::move(handle);
+        desc.module = module;
         return true;
     };
 
     if (GEnv.isDedicatedServer)
     {
-#if defined(XR_PLATFORM_WINDOWS)
-        R_ASSERT2(loadLibrary(r4_library), "Dedicated server needs xrRender_R1 to work");
-#else
-        R_ASSERT2(loadLibrary(gl_library), "Dedicated server needs xrRender_GL to work");
-#endif
+        R_ASSERT2(loadLibrary(g_render_modules[0]), "Dedicated server needs xrRender to work");
     }
     else
     {
-        for (cpcstr library : RENDER_LIBRARIES)
-        {
-            loadLibrary(library);
-        }
+        std::for_each(std::begin(g_render_modules), std::end(g_render_modules), loadLibrary);
     }
 
     std::mutex mutex;
@@ -221,7 +208,7 @@ void CEngineAPI::CreateRendererList()
         }
     };
 
-    xr_parallel_for_each(renderers, obtainModes);
+    xr_parallel_for_each(g_render_modules, obtainModes);
 
     auto& modes = VidQualityToken;
     Msg("Available render modes[%d]:", modes.size());

src/xrEngine/EngineAPI.h

@@ -39,6 +39,14 @@ using Factory_Create = IFactoryObject* __cdecl(CLASS_ID CLS_ID);
 using Factory_Destroy = void __cdecl(IFactoryObject* O);
 }
 
+class XR_NOVTABLE GameModule
+{
+public:
+    virtual ~GameModule() = default;
+    virtual void initialize(Factory_Create*& pCreate, Factory_Destroy*& pDestroy) = 0;
+    virtual void finalize() = 0;
+};
+
 class XR_NOVTABLE RendererModule
 {
 public:
@@ -50,44 +58,27 @@ class XR_NOVTABLE RendererModule
 
 class ENGINE_API CEngineAPI
 {
-    using InitializeGameLibraryProc = void(*)();
-    using FinalizeGameLibraryProc = void(*)();
-
-    using GetRendererModule = RendererModule*(*)();
-
-    struct RendererDesc
-    {
-        pcstr libraryName;
-        XRay::Module handle;
-        RendererModule* module;
-    };
-
-    xr_vector<RendererDesc> renderers;
     xr_map<shared_str, RendererModule*> renderModes;
 
+    GameModule* gameModule;
     RendererModule* selectedRenderer{};
 
-    XRay::Module hGame;
-
-    InitializeGameLibraryProc pInitializeGame{};
-    FinalizeGameLibraryProc pFinalizeGame{};
+    void SelectRenderer();
+    void CloseUnusedLibraries();
 
 public:
     Factory_Create*  pCreate;
     Factory_Destroy* pDestroy;
 
-    void Initialize();
-
-    void SelectRenderer();
-    void CloseUnusedLibraries();
+public:
+    CEngineAPI();
+    ~CEngineAPI();
 
+    void CreateRendererList();
+    void Initialize(GameModule* game);
     void Destroy();
 
-    void CreateRendererList();
     bool CanSkipGameModuleLoading() const { return !!strstr(Core.Params, "-nogame"); }
-
-    CEngineAPI();
-    ~CEngineAPI();
 };
 
 ENGINE_API bool is_enough_address_space_available();

src/xrEngine/x_ray.cpp

@@ -219,7 +219,7 @@ void execUserScript()
 constexpr pcstr APPLICATION_STARTUP = "Application startup";
 constexpr pcstr APPLICATION_SHUTDOWN = "Application shutdown";
 
-CApplication::CApplication(pcstr commandLine)
+CApplication::CApplication(pcstr commandLine, GameModule* game)
 {
     Threading::SetCurrentThreadName("Primary thread");
     FrameMarkStart(APPLICATION_STARTUP);
@@ -319,7 +319,7 @@ CApplication::CApplication(pcstr commandLine)
     InitConsole();
 
     TaskScheduler->Wait(createRendererList);
-    Engine.Initialize();
+    Engine.Initialize(game);
     Device.Initialize();
 
     Console->OnDeviceInitialize();

src/xrEngine/x_ray.h

@@ -3,7 +3,7 @@
 
 #include <mutex>
 
-#include "xrCore/Threading/Event.hpp"
+#include "xrEngine/Engine.h"
 
 struct SDL_Window;
 struct SDL_Surface;
@@ -36,7 +36,7 @@ class ENGINE_API CApplication final
 
 public:
     // Other
-    CApplication(pcstr commandLine);
+    CApplication(pcstr commandLine, GameModule* game);
     ~CApplication();
 
     int Run();

src/xrGame/CMakeLists.txt

@@ -1682,6 +1682,7 @@ target_sources(xrGame PRIVATE
     xrClientsPool.cpp
     xrClientsPool.h
     xrGame.cpp
+    xrGame.h
     xrgame_dll_detach.cpp
     xrGameSpy_GameSpyFuncs.cpp
     xrGameSpyServer_callbacks.cpp

src/xrGame/xrGame.cpp

@@ -7,6 +7,7 @@
 ////////////////////////////////////////////////////////////////////////////
 
 #include "StdAfx.h"
+#include "xrGame.h"
 
 #include "object_factory.h"
 
@@ -16,6 +17,8 @@
 #include "xrUICore/XML/xrUIXmlParser.h"
 #include "xrUICore/ui_styles.h"
 
+xrGameModule xrGame;
+
 void CCC_RegisterCommands();
 
 extern float g_fTimeFactor;
@@ -35,11 +38,15 @@ XR_EXPORT IFactoryObject* __cdecl xrFactory_Create(CLASS_ID clsid)
 }
 
 XR_EXPORT void __cdecl xrFactory_Destroy(IFactoryObject* O) { xr_delete(O); }
+}
 
-XR_EXPORT void initialize_library()
+void xrGameModule::initialize(Factory_Create*& pCreate, Factory_Destroy*& pDestroy)
 {
     ZoneScoped;
 
+    pCreate = &xrFactory_Create;
+    pDestroy = &xrFactory_Destroy;
+
     g_fTimeFactor = pSettings->r_float("alife", "time_factor"); // XXX: find a better place
 
     // Fill ui style token
@@ -67,7 +74,7 @@ XR_EXPORT void initialize_library()
     ImGui::SetCurrentContext(Device.GetImGuiContext());
 }
 
-XR_EXPORT void finalize_library()
+void xrGameModule::finalize()
 {
     xr_delete(UIStyles);
     StringTable().Destroy();
@@ -77,4 +84,3 @@ XR_EXPORT void finalize_library()
     xr_delete(g_profiler);
 #endif
 }
-}

src/xrGame/xrGame.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "xrCore/clsid.h"
+#include "xrEngine/EngineAPI.h"
+
+#ifdef XRAY_STATIC_BUILD
+#    define XRGAME_API
+#else
+#    ifdef XRGAME_EXPORTS
+#        define XRGAME_API XR_EXPORT
+#    else
+#        define XRGAME_API XR_IMPORT
+#    endif
+#endif
+
+extern "C"
+{
+XRGAME_API IFactoryObject* __cdecl xrFactory_Create(CLASS_ID clsid);
+XRGAME_API void __cdecl xrFactory_Destroy(IFactoryObject* O);
+}
+
+class xrGameModule final : public GameModule
+{
+public:
+    void initialize(Factory_Create*& pCreate, Factory_Destroy*& pDestroy) override;
+    void finalize() override;
+};
+
+extern XRGAME_API xrGameModule xrGame;

src/xrGame/xrGame.vcxproj

@@ -1443,6 +1443,7 @@
     <ClInclude Include="wrapper_abstract.h" />
     <ClInclude Include="wrapper_abstract_inline.h" />
     <ClInclude Include="xrClientsPool.h" />
+    <ClInclude Include="xrGame.h" />
     <ClInclude Include="xrGameSpyServer.h" />
     <ClInclude Include="xrGameSpyServer_callbacks.h" />
     <ClInclude Include="xrServer.h" />