diff options
| -rw-r--r-- | primedev/Northstar.cmake | 1 | ||||
| -rw-r--r-- | primedev/game/client/clientmode_shared.cpp | 66 |
2 files changed, 67 insertions, 0 deletions
diff --git a/primedev/Northstar.cmake b/primedev/Northstar.cmake index 05c3c72a..4e8ec973 100644 --- a/primedev/Northstar.cmake +++ b/primedev/Northstar.cmake @@ -69,6 +69,7 @@ add_library( "engine/r2engine.cpp" "engine/r2engine.h" "engine/runframe.cpp" + "game/client/clientmode_shared.cpp" "logging/crashhandler.cpp" "logging/crashhandler.h" "logging/logging.cpp" diff --git a/primedev/game/client/clientmode_shared.cpp b/primedev/game/client/clientmode_shared.cpp new file mode 100644 index 00000000..e5793261 --- /dev/null +++ b/primedev/game/client/clientmode_shared.cpp @@ -0,0 +1,66 @@ + +//----------------------------------------------------------------------------- +// Some explanation might be needed for this. The crash is caused by +// us calling a pure virtual function in the constructor. +// The order goes like this: +// ctor +// -> vftable = IPureCall::vftable +// -> IPureCall::Ok() +// -> IPureCall::CallMeIDareYou() +// -> purecall_handler +// -> crash :( +class IPureCall +{ +public: + IPureCall() { Ok(); } + + virtual void CallMeIDareYou() = 0; + + void Ok() { CallMeIDareYou(); } +}; + +class CPureCall : IPureCall +{ + virtual void CallMeIDareYou() {} +}; + +static void (*o_pCC_crash_test_f)(const CCommand& args); +static void h_CC_crash_test_f(const CCommand& args) +{ + int crashtype = 0; + int dummy; + if (args.ArgC() > 1) + { + crashtype = atoi(args.Arg(1)); + } + switch (crashtype) + { + case 0: + dummy = *((int*)NULL); + spdlog::info("Crashed! {}", dummy); + break; + case 1: + *((int*)NULL) = 24122021; + break; + case 2: + throw std::exception("Crashed!"); + break; + case 3: + RaiseException(7, 0, 0, NULL); + break; + case 4: + { + CPureCall PureCall; + break; + } + default: + spdlog::info("Unknown variety of crash. You have now failed to crash. I hope you're happy."); + break; + } +} + +ON_DLL_LOAD("engine.dll", ClientModeShared, (CModule module)) +{ + o_pCC_crash_test_f = module.Offset(0x15BEE0).RCast<decltype(o_pCC_crash_test_f)>(); + HookAttach(&(PVOID&)o_pCC_crash_test_f, (PVOID)h_CC_crash_test_f); +} |