From ae650cc1420369f3ce2496d6206a23360b816ac5 Mon Sep 17 00:00:00 2001
From: Tixx <83774803+WiserTixx@users.noreply.github.com>
Date: Fri, 28 Mar 2025 23:16:37 +0100
Subject: [PATCH 1/2] Get error code when the game fails to launch on windows

---
 src/GameStart.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/GameStart.cpp b/src/GameStart.cpp
index f94012b..e3a89d8 100644
--- a/src/GameStart.cpp
+++ b/src/GameStart.cpp
@@ -90,6 +90,8 @@ void StartGame(std::string Dir) {
         gameArgs += options.game_arguments[i];
     }
 
+    debug("BeamNG executable path: " + Dir);
+
     bSuccess = CreateProcessA(nullptr, (LPSTR)(Dir + gameArgs).c_str(), nullptr, nullptr, TRUE, 0, nullptr, BaseDir.c_str(), &si, &pi);
     if (bSuccess) {
         info("Game Launched!");
@@ -97,7 +99,19 @@ void StartGame(std::string Dir) {
         WaitForSingleObject(pi.hProcess, INFINITE);
         error("Game Closed! launcher closing soon");
     } else {
-        error("Failed to Launch the game! launcher closing soon");
+        std::string err = "";
+
+        DWORD dw = GetLastError();
+        LPVOID lpMsgBuf;
+
+        if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dw,
+            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&lpMsgBuf, 0, nullptr) == 0) {
+            err = "Unknown error code: " + std::to_string(dw);
+        } else {
+            err = "Error " + std::to_string(dw) + ": " + (char*)lpMsgBuf;
+        }
+
+        error("Failed to Launch the game! launcher closing soon. " + err);
     }
     std::this_thread::sleep_for(std::chrono::seconds(5));
     exit(2);

From 6597fe5e26e25c88f70efd18efe2d361e2bb2ecb Mon Sep 17 00:00:00 2001
From: Tixx <83774803+WiserTixx@users.noreply.github.com>
Date: Sat, 19 Apr 2025 21:23:51 +0200
Subject: [PATCH 2/2] Rename windows api variable

---
 src/GameStart.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/GameStart.cpp b/src/GameStart.cpp
index e3a89d8..6216313 100644
--- a/src/GameStart.cpp
+++ b/src/GameStart.cpp
@@ -102,13 +102,13 @@ void StartGame(std::string Dir) {
         std::string err = "";
 
         DWORD dw = GetLastError();
-        LPVOID lpMsgBuf;
+        LPVOID lpErrorMsgBuffer;
 
         if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dw,
-            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&lpMsgBuf, 0, nullptr) == 0) {
+            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&lpErrorMsgBuffer, 0, nullptr) == 0) {
             err = "Unknown error code: " + std::to_string(dw);
         } else {
-            err = "Error " + std::to_string(dw) + ": " + (char*)lpMsgBuf;
+            err = "Error " + std::to_string(dw) + ": " + (char*)lpErrorMsgBuffer;
         }
 
         error("Failed to Launch the game! launcher closing soon. " + err);