read cmdline args from file, disable origin on dedi

LauncherInjector/main.cpp

@@ -3,6 +3,7 @@
 #include <filesystem>
 #include <sstream>
 #include <iostream>
+#include <fstream>
 
 namespace fs = std::filesystem;
 
@@ -35,7 +36,7 @@ DWORD GetProcessByName(std::wstring processName)
 #define PROCESS_NAME L"Titanfall2-unpacked.exe"
 #define DLL_NAME L"Northstar.dll"
 
-int main() {
+int main(int argc, char* argv[]) {
     if (!fs::exists(PROCESS_NAME))
     {
         MessageBoxA(0, "Titanfall2-unpacked.exe not found! Please launch from your titanfall 2 directory and ensure you have Northstar installed correctly!", "", MB_OK);
@@ -48,7 +49,12 @@ int main() {
         return 1;
     }
 
-    if (!GetProcessByName(L"Origin.exe"))
+    bool isdedi = false;
+    for (int i = 0; i < argc; i++)
+        if (!strcmp(argv[i], "-dedicated"))
+            isdedi = true;
+
+    if (!GetProcessByName(L"Origin.exe") && !isdedi)
     {
         // unpacked exe will crash if origin isn't open on launch, so launch it
         // get origin path from registry, code here is reversed from OriginSDK.dll
@@ -78,13 +84,36 @@ int main() {
             Sleep(200);
     }
 
+    // get cmdline args from file
+    std::wstring args;
+    std::ifstream cmdlineArgFile;
+
+    if (!isdedi)
+        cmdlineArgFile = std::ifstream("ns_startup_args.txt");
+    else
+        cmdlineArgFile = std::ifstream("ns_startup_args_dedi.txt");
+
+    if (cmdlineArgFile)
+    {
+        std::stringstream argBuffer;
+        argBuffer << cmdlineArgFile.rdbuf();
+        cmdlineArgFile.close();
+    
+        std::string str = argBuffer.str();
+        args.append(std::wstring(str.begin(), str.end()));
+    }
+
+    if (isdedi)
+        // copy -dedicated into args if we have it in commandline args
+        args.append(L" -dedicated");
+
     STARTUPINFO startupInfo;
     PROCESS_INFORMATION processInfo;
 
     memset(&startupInfo, 0, sizeof(startupInfo));
     memset(&processInfo, 0, sizeof(processInfo));
 
-    CreateProcessW(PROCESS_NAME, (wchar_t*)L" -multiple -novid", NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &startupInfo, &processInfo);
+    CreateProcessW(PROCESS_NAME, (LPWSTR)args.c_str(), NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &startupInfo, &processInfo);
 
     HMODULE hKernel32 = GetModuleHandleW(L"kernel32.dll");
     LPTHREAD_START_ROUTINE pLoadLibraryW = (LPTHREAD_START_ROUTINE)GetProcAddress(hKernel32, "LoadLibraryW");

NorthstarDedicatedTest/dedicated.cpp

@@ -15,6 +15,7 @@ struct CDedicatedExports; // forward declare
 typedef void (*DedicatedSys_PrintfType)(CDedicatedExports* dedicated, char* msg);
 typedef void (*DedicatedRunServerType)(CDedicatedExports* dedicated);
 
+// would've liked to just do this as a class but have not been able to get it to work
 struct CDedicatedExports
 {
 	void* vtable; // because it's easier, we just set this to &this, since CDedicatedExports has no props we care about other than funcs
@@ -37,22 +38,21 @@ void RunServer(CDedicatedExports* dedicated)
 {
 	Sys_Printf(dedicated, (char*)"CDedicatedExports::RunServer(): starting");
 
-	HMODULE engine = GetModuleHandleA("engine.dll");
-	CEngine__FrameType CEngine__Frame = (CEngine__FrameType)((char*)engine + 0x1C8650);
-	CHostState__InitType CHostState__Init = (CHostState__InitType)((char*)engine + 0x16E110);
-
 	// init hoststate, if we don't do this, we get a crash later on
+	CHostState__InitType CHostState__Init = (CHostState__InitType)((char*)GetModuleHandleA("engine.dll") + 0x16E110);
 	CHostState__Init(g_pHostState);
 
 	// set host state to allow us to enter CHostState::FrameUpdate, with the state HS_NEW_GAME
 	g_pHostState->m_iNextState = HostState_t::HS_NEW_GAME;
 	strncpy(g_pHostState->m_levelName, CommandLine()->ParmValue("+map", "mp_lobby"), sizeof(g_pHostState->m_levelName)); // set map to load into
 
-	while (true)
-	{
-		CEngine__Frame(g_pEngine);
+	spdlog::info(CommandLine()->GetCmdLine());
 
-		spdlog::info("CEngine::Frame() on map {} took {}ms", g_pHostState->m_levelName, g_pEngine->m_flFrameTime);
+	while (g_pEngine->m_nQuitting == EngineQuitState::QUIT_NOTQUITTING)
+	{
+		g_pEngine->Frame();
+
+		spdlog::info("g_pEngine->Frame() on map {} took {}ms", g_pHostState->m_levelName, g_pEngine->GetFrameTime());
 		Sleep(50);
 	}
 }
@@ -233,4 +233,18 @@ void InitialiseDedicated(HMODULE engineAddress)
 	CommandLine()->AppendParm("-nomenuvid", 0);
 	CommandLine()->AppendParm("-nosound", 0);
 	CommandLine()->AppendParm("+host_preload_shaders", "0");
+}
+
+typedef void(*Tier0_InitOriginType)();
+Tier0_InitOriginType Tier0_InitOrigin;
+void Tier0_InitOriginHook()
+{
+	if (!IsDedicated())
+		Tier0_InitOrigin();
+}
+
+void InitialiseDedicatedOrigin(HMODULE baseAddress)
+{
+	HookEnabler hook;
+	ENABLER_CREATEHOOK(hook, GetProcAddress(GetModuleHandleA("tier0.dll"), "Tier0_InitOrigin"), &Tier0_InitOriginHook, reinterpret_cast<LPVOID*>(&Tier0_InitOrigin));
 }

NorthstarDedicatedTest/dedicated.h

@@ -2,4 +2,5 @@
 
 bool IsDedicated();
 
-void InitialiseDedicated(HMODULE moduleAddress);
+void InitialiseDedicated(HMODULE moduleAddress);
+void InitialiseDedicatedOrigin(HMODULE baseAddress);

NorthstarDedicatedTest/dllmain.cpp

@@ -68,6 +68,7 @@ void InitialiseNorthstar()
     // dedi patches
     {
         AddDllLoadCallback("engine.dll", InitialiseDedicated);
+        AddDllLoadCallback("launcher.dll", InitialiseDedicatedOrigin);
         AddDllLoadCallback("materialsystem_dx11.dll", InitialiseDedicatedMaterialSystem);
     }
     

NorthstarDedicatedTest/gameutils.h

@@ -144,10 +144,16 @@ enum EngineState_t
 	DLL_PAUSED,				// engine is paused, can become active from this state
 };
 
-struct CEngine
+class CEngine
 {
 public:
-	void* vtable;
+	virtual bool Load(bool dedicated, const char* baseDir) {}
+	virtual void Unload() {}
+	virtual void SetNextState(EngineState_t iNextState) {}
+	virtual EngineState_t GetState() {}
+	virtual void Frame() {}
+	virtual float GetFrameTime() {}
+	virtual float GetCurTime() {}
 
 	EngineQuitState m_nQuitting;
 	EngineState_t m_nDllState;