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authorp0358 <p0358@users.noreply.github.com>2021-12-29 06:38:54 +0100
committerp0358 <p0358@users.noreply.github.com>2021-12-29 06:38:54 +0100
commit213bf6412410a09b0bdce62b8598bfa23ba096cf (patch)
tree68c650c35639a71e834d4e3fc964ee5bf65a9d28 /LauncherInjector/main.cpp
parent8a1a2e97624d15617197248a5e292c5ead5e74a2 (diff)
downloadNorthstarLauncher-213bf6412410a09b0bdce62b8598bfa23ba096cf.tar.gz
NorthstarLauncher-213bf6412410a09b0bdce62b8598bfa23ba096cf.zip
Add direct launcher
Diffstat (limited to 'LauncherInjector/main.cpp')
-rw-r--r--LauncherInjector/main.cpp172
1 files changed, 116 insertions, 56 deletions
diff --git a/LauncherInjector/main.cpp b/LauncherInjector/main.cpp
index 5828e9e2..0fd41daf 100644
--- a/LauncherInjector/main.cpp
+++ b/LauncherInjector/main.cpp
@@ -1,12 +1,25 @@
+#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <TlHelp32.h>
#include <filesystem>
#include <sstream>
#include <iostream>
#include <fstream>
+#include <Shlwapi.h>
namespace fs = std::filesystem;
+extern "C" {
+ __declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 0x00000001;
+ __declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+}
+
+HMODULE hLauncherModule;
+HMODULE hHookModule;
+
+wchar_t exePath[4096];
+wchar_t buffer[8196];
+
DWORD GetProcessByName(std::wstring processName)
{
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
@@ -33,28 +46,45 @@ DWORD GetProcessByName(std::wstring processName)
return 0;
}
-#define PROCESS_NAME L"Titanfall2-unpacked.exe"
-#define DLL_NAME L"Northstar.dll"
+bool GetExePathWide(wchar_t* dest, DWORD destSize)
+{
+ if (!dest) return NULL;
+ if (destSize < MAX_PATH) return NULL;
-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);
- return 1;
- }
+ DWORD length = GetModuleFileNameW(NULL, dest, destSize);
+ return length && PathRemoveFileSpecW(dest);
+}
- if (!fs::exists(DLL_NAME))
- {
- MessageBoxA(0, "Northstar.dll not found! Please launch from your titanfall 2 directory and ensure you have Northstar installed correctly!", "", MB_OK);
- return 1;
- }
+FARPROC GetLauncherMain()
+{
+ static FARPROC Launcher_LauncherMain;
+ if (!Launcher_LauncherMain)
+ Launcher_LauncherMain = GetProcAddress(hLauncherModule, "LauncherMain");
+ return Launcher_LauncherMain;
+}
+
+void LibraryLoadError(DWORD dwMessageId, const wchar_t* libName, const wchar_t* location)
+{
+ char text[2048];
+ std::string message = std::system_category().message(dwMessageId);
+ sprintf_s(text, "Failed to load the %ls at \"%ls\" (%lu):\n\n%hs\n\nMake sure you followed the Northstar installation instructions carefully.", libName, location, dwMessageId, message.c_str());
+ MessageBoxA(GetForegroundWindow(), text, "Launcher Error", 0);
+}
+
+int main(int argc, char* argv[]) {
- bool isdedi = false;
+ // checked to avoid starting origin, Northstar.dll will check for -dedicated as well on its own
+ bool isDedicated = false;
for (int i = 0; i < argc; i++)
if (!strcmp(argv[i], "-dedicated"))
- isdedi = true;
+ isDedicated = true;
- if (!isdedi && !GetProcessByName(L"Origin.exe") && !GetProcessByName(L"EADesktop.exe"))
+ bool noOriginStartup = false;
+ for (int i = 0; i < argc; i++)
+ if (!strcmp(argv[i], "-noOriginStartup"))
+ noOriginStartup = true;
+
+ if (!isDedicated && !GetProcessByName(L"Origin.exe") && !GetProcessByName(L"EADesktop.exe") && !noOriginStartup)
{
// 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
@@ -77,13 +107,20 @@ int main(int argc, char* argv[]) {
memset(&pi, 0, sizeof(pi));
STARTUPINFO si;
memset(&si, 0, sizeof(si));
- CreateProcessA(originPath, (LPSTR)"", NULL, NULL, false, CREATE_DEFAULT_ERROR_MODE | CREATE_NEW_PROCESS_GROUP, NULL, NULL, (LPSTARTUPINFOA)&si, &pi);
+ CreateProcessA(originPath, (char*)"", NULL, NULL, false, CREATE_DEFAULT_ERROR_MODE | CREATE_NEW_PROCESS_GROUP, NULL, NULL, (LPSTARTUPINFOA)&si, &pi);
// wait for origin to be ready, this process is created when origin is ready enough to launch game without any errors
while (!GetProcessByName(L"OriginClientService.exe") && !GetProcessByName(L"EADesktop.exe"))
Sleep(200);
+
+ CloseHandle(pi.hProcess);
+ CloseHandle(pi.hThread);
}
+#if 0
+ // TODO: MOVE TO Northstar.dll itself and inject in some place
+ // for example hook GetCommandLineA() before real LauncherMain gets called (ie. during InitialiseNorthstar)
+ // GetCommandLineA() is always used, the parameters passed to LauncherMain are basically ignored
// get cmdline args from file
std::wstring args;
std::ifstream cmdlineArgFile;
@@ -97,7 +134,7 @@ int main(int argc, char* argv[]) {
args.append(L" ");
}
- if (!isdedi)
+ if (!isDedi)
cmdlineArgFile = std::ifstream("ns_startup_args.txt");
else
cmdlineArgFile = std::ifstream("ns_startup_args_dedi.txt");
@@ -112,53 +149,76 @@ int main(int argc, char* argv[]) {
args.append(std::wstring(str.begin(), str.end()));
}
- //if (isdedi)
+ //if (isDedicated)
// // copy -dedicated into args if we have it in commandline args
// args.append(L" -dedicated");
+#endif
- STARTUPINFO startupInfo;
- PROCESS_INFORMATION processInfo;
-
- memset(&startupInfo, 0, sizeof(startupInfo));
- memset(&processInfo, 0, sizeof(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");
-
- SIZE_T dwLength = (wcslen(DLL_NAME) + 1) * 2;
- LPVOID lpLibName = VirtualAllocEx(processInfo.hProcess, NULL, dwLength, MEM_COMMIT, PAGE_READWRITE);
-
- SIZE_T written = 0;
- WriteProcessMemory(processInfo.hProcess, lpLibName, DLL_NAME, dwLength, &written);
-
- HANDLE hThread = CreateRemoteThread(processInfo.hProcess, NULL, NULL, pLoadLibraryW, lpLibName, NULL, NULL);
+ bool loadNorthstar = true;
+ for (int i = 0; i < argc; i++)
+ if (!strcmp(argv[i], "-vanilla"))
+ loadNorthstar = false;
- if (hThread == NULL)
{
- // injection failed
-
- std::string errorMessage = "Injection failed! CreateRemoteThread returned ";
- errorMessage += std::to_string(GetLastError()).c_str();
- errorMessage += ", make sure bob hasn't accidentally shipped a debug build";
- MessageBoxA(0, errorMessage.c_str(), "", MB_OK);
- return 0;
- }
-
- WaitForSingleObject(hThread, INFINITE);
-
- //MessageBoxA(0, std::to_string(GetLastError()).c_str(), "", MB_OK);
-
- CloseHandle(hThread);
+ if (!GetExePathWide(exePath, 4096))
+ {
+ MessageBoxA(GetForegroundWindow(), "Failed getting game directory.\nThe game cannot continue and has to exit.", "Launcher Error", 0);
+ return 1;
+ }
- ResumeThread(processInfo.hThread);
+ {
+ wchar_t* pPath;
+ size_t len;
+ errno_t err = _wdupenv_s(&pPath, &len, L"PATH");
+ if (!err)
+ {
+ swprintf_s(buffer, L"PATH=%s\\bin\\x64_retail\\;%s", exePath, pPath);
+ auto result = _wputenv(buffer);
+ if (result == -1)
+ {
+ MessageBoxW(GetForegroundWindow(), L"Warning: could not prepend the current directory to app's PATH environment variable. Something may break because of that.", L"Launcher Warning", 0);
+ }
+ free(pPath);
+ }
+ else
+ {
+ MessageBoxW(GetForegroundWindow(), L"Warning: could not get current PATH environment variable in order to prepend the current directory to it. Something may break because of that.", L"Launcher Warning", 0);
+ }
+ }
- VirtualFreeEx(processInfo.hProcess, lpLibName, dwLength, MEM_RELEASE);
+ if (loadNorthstar)
+ {
+ FARPROC Hook_Init = nullptr;
+ {
+ swprintf_s(buffer, L"%s\\Northstar.dll", exePath);
+ hHookModule = LoadLibraryExW(buffer, 0i64, 8u);
+ if (hHookModule) Hook_Init = GetProcAddress(hHookModule, "InitialiseNorthstar");
+ if (!hHookModule || Hook_Init == nullptr)
+ {
+ LibraryLoadError(GetLastError(), L"Northstar.dll", buffer);
+ return 1;
+ }
+ }
+
+ ((bool (*)()) Hook_Init)();
+ }
- CloseHandle(processInfo.hProcess);
- CloseHandle(processInfo.hThread);
+ swprintf_s(buffer, L"%s\\bin\\x64_retail\\launcher.dll", exePath);
+ hLauncherModule = LoadLibraryExW(buffer, 0i64, 8u);
+ if (!hLauncherModule)
+ {
+ LibraryLoadError(GetLastError(), L"launcher.dll", buffer);
+ return 1;
+ }
+ }
- return 0;
+ auto LauncherMain = GetLauncherMain();
+ if (!LauncherMain)
+ MessageBoxA(GetForegroundWindow(), "Failed loading launcher.dll.\nThe game cannot continue and has to exit.", "Launcher Error", 0);
+ //auto result = ((__int64(__fastcall*)())LauncherMain)();
+ //auto result = ((signed __int64(__fastcall*)(__int64))LauncherMain)(0i64);
+ return ((int(__fastcall*)(HINSTANCE, HINSTANCE, LPSTR, int))LauncherMain)(NULL, NULL, NULL, 0); // the parameters aren't really used anyways
} \ No newline at end of file