Working in UE4

.gitignore

@@ -26,3 +26,4 @@ winbuild/
 
 !Compile.sh
 !Compile.bat
+HarmonyLinkLib/.vscode/

HarmonyLinkLib/CMakeLists.txt

@@ -69,7 +69,6 @@ set(COMMON_SOURCES
     "src/Platform/IPlatformUtilities.cpp"
     "src/HarmonyLinkLib.cpp"
     "src/Version.cpp"
-    "src/dllmain.cpp"
     "src/Platform/WineUtilities.cpp"
     "src/Utilities.cpp"
 )

HarmonyLinkLib/include/HarmonyLinkLib.h

@@ -44,17 +44,19 @@ class IPlatformUtilities;
 
 namespace HarmonyLinkLib
 {
-    extern "C" HARMONYLINKLIB_API bool get_is_wine();
+    HARMONYLINKLIB_API bool HL_Init();
 
-    extern "C" HARMONYLINKLIB_API bool get_is_linux();
+    HARMONYLINKLIB_API bool get_is_wine();
 
-    extern "C" HARMONYLINKLIB_API bool get_is_docked();
+    HARMONYLINKLIB_API bool get_is_linux();
 
-    extern "C" HARMONYLINKLIB_API FCPUInfo* get_cpu_info();
+    HARMONYLINKLIB_API bool get_is_docked();
 
-    extern "C" HARMONYLINKLIB_API FDevice* get_device_info();
+    HARMONYLINKLIB_API FCPUInfo* get_cpu_info();
 
-    extern "C" HARMONYLINKLIB_API FOSVerInfo* get_os_version();
+    HARMONYLINKLIB_API FDevice* get_device_info();
 
-    extern "C" HARMONYLINKLIB_API FBattery* get_battery_status();
+    HARMONYLINKLIB_API FOSVerInfo* get_os_version();
+    
+    HARMONYLINKLIB_API FBattery* get_battery_status();
 }

HarmonyLinkLib/src/HarmonyLinkLib.cpp

@@ -16,10 +16,19 @@
 
 #include <iostream>
 #include "Platform/IPlatformUtilities.h"
+#include "Version.h"
 
 namespace HarmonyLinkLib
 {
-    std::shared_ptr<IPlatformUtilities> PlatformUtilities = IPlatformUtilities::GetInstance();
+    std::shared_ptr<IPlatformUtilities> PlatformUtilities = nullptr;
+
+    bool HL_Init()
+    {
+        std::wcout << "HarmonyLink V" << version::ToString().c_str() << " Copyright (C) 2023 Jordon Brooks\n";
+        PlatformUtilities = IPlatformUtilities::GetInstance();
+
+        return PlatformUtilities != nullptr;
+    }
 
     bool get_is_wine()
     {
@@ -92,8 +101,6 @@ namespace HarmonyLinkLib
 
     FOSVerInfo* get_os_version()
     {
-    
-
         if (!PlatformUtilities)
         {
             std::wcout << "Failed to get platform utilities!\n";

HarmonyLinkLib/src/dllmain.cpp

@@ -1,61 +0,0 @@
-// Copyright (c) 2024 Jordon Brooks
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-// 
-//   http://www.apache.org/licenses/LICENSE-2.0
-
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include <iostream>
-#include "Version.h"
-
-namespace HarmonyLinkLib
-{
-    void HarmonyLinkInit()
-    {
-        std::wcout << "HarmonyLink V" << version::ToString().c_str() << " Copyright (C) 2023 Jordon Brooks\n";
-    }
-}
-
-
-#if BUILD_WINDOWS
-#include <windows.h>
-
-// Standard DLL entry point
-BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
-    switch (fdwReason) {
-    case DLL_PROCESS_ATTACH:
-        // Code to run when the DLL is loaded
-        HarmonyLinkLib::HarmonyLinkInit();
-        break;
-    case DLL_THREAD_ATTACH:
-        // Code to run when a thread is created during the DLL's lifetime
-    case DLL_THREAD_DETACH:
-        // Code to run when a thread ends normally.
-    case DLL_PROCESS_DETACH:
-        // Code to run when the DLL is unloaded
-    default:
-        break;
-    }
-    return TRUE; // Successful DLL_PROCESS_ATTACH.
-}
-#endif
-
-#if BUILD_UNIX
-__attribute__((constructor))
-static void onLibraryLoad() {
-    // Code to run when the library is loaded
-    HarmonyLinkLib::HarmonyLinkInit();
-}
-
-__attribute__((destructor))
-static void onLibraryUnload() {
-    // Code to run when the library is unloaded
-}
-#endif

HarmonyLinkTest/src/main.cpp

@@ -85,10 +85,18 @@ void checkForQuit() {
 
 int main()
 {
-    std::cout << "Hello, World!" << '\n';
+    std::cout << "Hello, World!\n";
 
     std::thread inputThread(checkForQuit);
 
+    if (!HarmonyLinkLib::HL_Init())
+    {
+        std::cout << "Failed to init HarmonyLinkLib\n";
+        return 1;
+    }
+
+    std::cout << "HarmonyLinkLib successfully initialised!\n";
+
     const bool isWine = HarmonyLinkLib::get_is_wine();
     const char* test = isWine ? "is" : "isn't";