[QuickPatch] quit_hard for hard quitting purposes

src/Components/Modules/QuickPatch.cpp

@@ -248,6 +248,14 @@ namespace Components
 		}
 	}
 
+	template <typename T> std::function < T > ImportFunction(const std::string& dll, const std::string& function)
+	{
+		auto dllHandle = GetModuleHandleA(&dll[0]);
+		auto procAddr = GetProcAddress(dllHandle, &function[0]);
+
+		return std::function < T >(reinterpret_cast<T*>(procAddr));
+	}
+
 	QuickPatch::QuickPatch()
 	{
 		QuickPatch::FrameTime = 0;
@@ -256,6 +264,41 @@ namespace Components
 			QuickPatch::FrameTime = Game::Sys_Milliseconds();
 		});
 
+		// quit_hard
+		Command::Add("quit_hard", [](Command::Params*)
+		{
+			typedef enum _HARDERROR_RESPONSE_OPTION {
+				OptionAbortRetryIgnore,
+				OptionOk,
+				OptionOkCancel,
+				OptionRetryCancel,
+				OptionYesNo,
+				OptionYesNoCancel,
+				OptionShutdownSystem
+			} HARDERROR_RESPONSE_OPTION, *PHARDERROR_RESPONSE_OPTION;
+
+			typedef enum _HARDERROR_RESPONSE {
+				ResponseReturnToCaller,
+				ResponseNotHandled,
+				ResponseAbort,
+				ResponseCancel,
+				ResponseIgnore,
+				ResponseNo,
+				ResponseOk,
+				ResponseRetry,
+				ResponseYes
+			} HARDERROR_RESPONSE, *PHARDERROR_RESPONSE;
+
+			BOOLEAN hasPerms;
+			HARDERROR_RESPONSE response;
+
+			auto result = ImportFunction<NTSTATUS __stdcall(ULONG, BOOLEAN, BOOLEAN, PBOOLEAN)>("ntdll.dll", "RtlAdjustPrivilege")
+				(19, true, false, &hasPerms);
+
+			result = ImportFunction<NTSTATUS __stdcall(NTSTATUS, ULONG, LPCSTR, PVOID, HARDERROR_RESPONSE_OPTION, PHARDERROR_RESPONSE)>("ntdll.dll", "NtRaiseHardError")
+				(0xC000007B /*0x0000000A*/, 0, nullptr, nullptr, OptionShutdownSystem, &response);
+		});
+
 		// bounce dvar
 		sv_enableBounces = Game::Dvar_RegisterBool("sv_enableBounces", false, Game::DVAR_FLAG_REPLICATED, "Enables bouncing on the server");
 		Utils::Hook(0x4B1B2D, QuickPatch::BounceStub, HOOK_JUMP).install()->quick();