Hook DBGHELP instead of DINPUT8

.github/workflows/main.yml

@@ -20,9 +20,9 @@ jobs:
         mkdir build && cd build
         cmake ..
         cmake --build . --config Release
-    - name: Upload DINPUT8
+    - name: Upload DBGHELP
       uses: actions/upload-artifact@v2
       with:
-        name: DINPUT8
+        name: DBGHELP
         path: |
-          build/Release/DINPUT8.dll
+          build/Release/DBGHELP.dll

.github/workflows/release.yml

@@ -20,12 +20,12 @@ jobs:
         cmake --build . --config Release
     - name: Compress Artifacts
       run: |
-        7z a DINPUT8.zip ./build/Release/DINPUT8.dll
+        7z a DBGHELP.zip ./build/Release/DBGHELP.dll
     - name: Automatic Release
       uses: marvinpinto/action-automatic-releases@latest
       with:
         repo_token: "${{ secrets.GITHUB_TOKEN }}"
         prerelease: false
         draft: true
         files: |
-          DINPUT8.zip
+          DBGHELP.zip

CMakeLists.txt

@@ -28,10 +28,10 @@ target_link_libraries(LuaBackendLIB PUBLIC lua54.lib PUBLIC discord-rpc.lib)
 
 target_compile_definitions(LuaBackendLIB PRIVATE -DUNICODE -D_UNICODE)
 
-# DINPUT8
+# DBGHELP
 
-add_library(DINPUT8 SHARED LuaBackendDLL/main_dll.cpp)
+add_library(DBGHELP SHARED LuaBackendDLL/main_dll.cpp)
 
-target_compile_definitions(DINPUT8 PRIVATE -DUNICODE -D_UNICODE)
+target_compile_definitions(DBGHELP PRIVATE -DUNICODE -D_UNICODE)
 
-target_link_libraries(DINPUT8 LuaBackendLIB)
+target_link_libraries(DBGHELP LuaBackendLIB)

INSTALL.md

@@ -1,13 +1,13 @@
 ## Installing LuaBackend Hook
 
 ### Internal LuaBackend Hook [DLL]
-- Download ``DINPUT8.zip`` from the Releases tab.
-- Extract ``DINPUT8.dll`` from ``DINPUT8.zip`` to the directory Kingdom Hearts 1.5+2.5 is installed which should be `KH_1.5_2.5`.
+- Download ``DBGHELP.zip`` from the Releases tab.
+- Extract ``DBGHELP.dll`` from ``DBGHELP.zip`` to the directory Kingdom Hearts 1.5+2.5 is installed which should be `KH_1.5_2.5`.
 - Place your scripts in a folder named `scripts/[gameid]` in the `KINGDOM HEARTS HD 1.5+2.5 ReMIX` folder in your Documents folder.
     - For Kingdom Hearts Final Mix the folder will be `scripts/kh1`.
     - For Kingdom Hearts Re: Chain of Memories the folder will be `scripts/recom`.
     - For Kingdom Hearts II Final Mix the folder will be `scripts/kh2`.
     - For Kingdom Hearts Birth by Sleep Final Mix the folder will be `scripts/bbs`.
 - The installation is now finished. LuaBackend will be automatically started with the game and can be easily uninstalled
-by simply removing the ``DINPUT8.dll``. To verify it is installed correctly, you can open the LuaBackend console using
+by simply removing the ``DBGHELP.dll``. To verify it is installed correctly, you can open the LuaBackend console using
 the F2 key on the keyboard in game.

LuaBackendDLL/main_dll.cpp

@@ -30,10 +30,19 @@ const std::unordered_map<std::string_view, GameInfo> gameInfos{
 
 namespace fs = std::filesystem;
 
-using DirectInput8CreateProc = HRESULT(WINAPI*)(HINSTANCE hinst, DWORD dwVersion, LPCVOID riidltf, LPVOID* ppvOut, LPVOID punkOuter);
+using MiniDumpWriteDumpProc = BOOL(WINAPI*)(
+    HANDLE hProcess,
+    DWORD ProcessId,
+    HANDLE hFile,
+    DWORD DumpType,
+    PVOID ExceptionParam,
+    PVOID UserStreamParam,
+    PVOID CallbackParam
+);
+
 using GameFrameProc = std::uint64_t(__cdecl*)(void* rcx);
 
-DirectInput8CreateProc createProc = nullptr;
+MiniDumpWriteDumpProc writeDumpProc = nullptr;
 
 GameFrameProc* frameProcPtr = nullptr;
 GameFrameProc frameProc = nullptr;
@@ -344,15 +353,15 @@ DWORD WINAPI entry(LPVOID lpParameter) {
 }
 
 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved) {
-    static HMODULE dinput8 = nullptr;
+    static HMODULE dbgHelp = nullptr;
 
     switch (fdwReason) {
         case DLL_PROCESS_ATTACH: {
             char dllPath[MAX_PATH];
             GetSystemDirectoryA(dllPath, MAX_PATH);
-            std::strcat(dllPath, "\\DINPUT8.dll");
-            dinput8 = LoadLibraryA(dllPath);
-            createProc = (DirectInput8CreateProc)GetProcAddress(dinput8, "DirectInput8Create");
+            std::strcat(dllPath, "\\DBGHELP.dll");
+            dbgHelp = LoadLibraryA(dllPath);
+            writeDumpProc = (MiniDumpWriteDumpProc)GetProcAddress(dbgHelp, "MiniDumpWriteDump");
 
             if (CreateThread(nullptr, 0, entry, nullptr, 0, nullptr) == nullptr) {
                 return FALSE;
@@ -361,7 +370,7 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved) {
             break;
         }
         case DLL_PROCESS_DETACH: {
-            FreeLibrary(dinput8);
+            FreeLibrary(dbgHelp);
             break;
         }
         default:
@@ -371,6 +380,14 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved) {
     return TRUE;
 }
 
-extern "C" __declspec(dllexport) HRESULT WINAPI DirectInput8Create(HINSTANCE hinst, DWORD dwVersion, LPCVOID riidltf, LPVOID* ppvOut, LPVOID punkOuter) {
-    return createProc(hinst, dwVersion, riidltf, ppvOut, punkOuter);
+extern "C" __declspec(dllexport) BOOL WINAPI MiniDumpWriteDump(
+    HANDLE hProcess,
+    DWORD ProcessId,
+    HANDLE hFile,
+    DWORD DumpType,
+    PVOID ExceptionParam,
+    PVOID UserStreamParam,
+    PVOID CallbackParam
+) {
+    return writeDumpProc(hProcess, ProcessId, hFile, DumpType, ExceptionParam, UserStreamParam, CallbackParam);
 }

README.md

@@ -25,6 +25,6 @@ Supports the PC Global versions of:
 
 Installation instructions are in [INSTALL.md](INSTALL.md).
 
-## Why is the dll file named DINPUT8?
+## Why is the dll file named DBGHELP?
 This is so that LuaBackend Hook can hook into the game without requiring an EXE patch, but still
 be able to launch automatically with the game.