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Game development is a race against unexpected crashes. When a game collapses on a user's machine, developers cannot open a debugger to see what went wrong. They rely on crash dumps.
Visual Studio will take you directly to the code that caused the crash. Best Practices and Considerations
SteamAPI_WriteMiniDump is an essential tool in a developer's arsenal for ensuring game stability. By capturing detailed crash information, you can transform vague user reports into actionable debugging data, reducing time-to-fix and creating a more polished final product. Let me know: Are you using or a different engine like Unity/Unreal ? Is your application 32-bit or 64-bit ? SteamAPI WriteMiniDump
: An optional identifier for the specific version of your game. Implementing SteamAPI_WriteMiniDump 1. Set Up Structured Exception Handling (SEH)
Don't rely on users to email files. Create a system that prompts users to send the crash dump, or automatically uploads it to a backend service when the game restarts. Game development is a race against unexpected crashes
// Get an instance of ISteamUtils ISteamUtils* steamUtils = SteamUtils()->GetISteamUtils();
#include "steam/steam_api.h" #include // For Structured Exception Handling (SEH) // 1. Define a crash handler function LONG WINAPI MyUnhandledExceptionFilter(EXCEPTION_POINTERS* pExceptionInfo) // 2. Call SteamAPI_WriteMiniDump // uExceptionCode: Usually pExceptionInfo->ExceptionRecord->ExceptionCode // pExceptionInfo: Pointer to the EXCEPTION_POINTERS // uBuildID: Your game's build ID (from SteamPipe) SteamAPI_WriteMiniDump( pExceptionInfo->ExceptionRecord->ExceptionCode, pExceptionInfo, 123456 // Replace with your actual Build ID ); // Continue with standard crash handling (e.g., show message box) return EXCEPTION_EXECUTE_HANDLER; int main() // 3. Initialize Steam if ( !SteamAPI_Init() ) return 1; // 4. Register the exception filter SetUnhandledExceptionFilter(MyUnhandledExceptionFilter); // ... Game Loop ... SteamAPI_Shutdown(); return 0; Use code with caution. Key Parameters Explained Visual Studio will take you directly to the
SteamAPI_WriteMiniDump is a critical function provided by the Steamworks SDK that allows game developers to generate crash dumps (minidumps) when a game encounters an unhandled exception. These dumps, when combined with Valve's error reporting infrastructure, provide detailed call stacks, register values, and system information, significantly reducing time-to-fix for stability issues. This paper details the mechanism of WriteMiniDump , its implementation best practices, and the benefits of integrating it into the Steamworks pipeline. 1. Introduction
Don't trigger the dump if a debugger is attached (check with IsDebuggerPresent() ), as the debugger should handle the exception instead.
The specific error code or exception ID that caused the crash (e.g., 0xC0000005 for an access violation).