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@@ -0,0 +1,48 @@ +══════ Source Thread Fix ══════ + +This builds a wrapper executable to fix a bug present in old versions of various +Source games wherein having too many CPU threads available will cause a crash. + +It supports Windows only; I don’t know whether this is also an issue on any +Linux game build but I’ll cross that bridge if anyone ever reports a problem. +This tool was originally created because some Left 4 Dead 2 runners have +high-end Ryzens and such with very high core counts, and were essentially unable +to play without a fix. + +NOTE: Please read and understand LICENCE before redistributing this software! + +════ Compiling ════ + +• Install the Windows 10 SDK and MSVC toolset via the Visual Studio Installer + (if you don’t care what else gets installed, installing the C++ Desktop + workload should be fine). +• Install native Clang from https://clang.llvm.org (NOT MinGW/MSYS2 Clang!). +• Run compile.bat. + +You might be able to use MSVC instead of Clang for this but I didn’t bother +trying to find out. + +════ Usage ════ + +The default build output is hl2.wrap.exe, which will wrap a neighbouring +hl2.exe. In the likely event that your game binary has a different name, just +match that; for example call it left4dead2.wrap.exe to wrap Left 4 Dead 2. + +Then, in whatever script or shortcut you use to invoke your game binary, simply +invoke the wrapper instead. It will automatically find the original binary +beside itself and start it up with the necessary hook in place to fix the bug. + +IMPORTANT: The wrapper forcibly passes -insecure to every game it wraps, to +reduce the risk of a VAC ban. Even then, do NOT join any servers that were not +also started in insecure mode, or (particularly with older game versions) you +might still be at risk of getting banned even with -insecure set on your end. +YOU HAVE BEEN WARNED! + +Lastly, note that if you don’t have more than 24 threads, this thing won’t +exactly do anything useful, so if you’re bundling this into an old version of +a game for speedrunning or other purposes, consider having the launch script +first check the core count and bypass this if it’s unnecessary. It doesn’t +really matter a huge deal, but you might as well. + +Thanks, and have fun! +- Michael Smith <mikesmiffy128@gmail.com> |