works for pakked builds

MercuryLauncher/MercuryLauncher.cpp

@@ -10,26 +10,29 @@
 #define LAWIN_URL "https://github.com/Lawin0129/LawinServer/zipball/master"
 
 #define BINARY_PATH_OT L".\\FortniteGame\\Binaries\\Win32\\FortniteClient-Win32-Shipping.exe"
+#define BINARY_PATH_OT_FUCKBLK L".\\FortniteGame\\Binaries\\Win32\\FortniteClient-Win64-Shipping.exe" // what the actual fuck is wrong with this guy
 #define CONTENT_PATH_OT L".\\FortniteGame\\Content\\"
 #define CONFIG_PATH_OT L".\\FortniteGame\\Config\\"
-#define DEFAULTENGINE_URL "https://github.com/absoluteSpacehead/testtesttest/raw/refs/heads/main/DefaultEngine.ini"
-#define DEFAULTGAME_URL "https://github.com/absoluteSpacehead/testtesttest/raw/refs/heads/main/DefaultGame.ini"
-#define ABILITIES_URL "https://github.com/absoluteSpacehead/testtesttest/raw/refs/heads/main/GE_AllAbilities.uasset"
-#define ACTOR_URL "https://github.com/absoluteSpacehead/testtesttest/raw/refs/heads/main/InGame_Actor.uasset"
-#define GAMEMODE_URL "https://github.com/absoluteSpacehead/testtesttest/raw/refs/heads/main/InGame_Gamemode.uasset"
+#define DEFAULTENGINE_URL "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/DefaultEngine.ini"
+#define DEFAULTGAME_URL "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/DefaultGame.ini"
+#define ABILITIES_URL "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/GE_AllAbilities.uasset"
+#define ACTOR_URL "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/InGame_Actor.uasset"
+#define GAMEMODE_URL "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/InGame_Gamemode.uasset"
+#define PAK_URL_OT "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/FortniteGame-WindowsClient_p.pak"
 
 #define BINARY_PATH_1_8 L".\\FortniteGame\\Binaries\\Win64\\FortniteClient-Win64-Shipping.exe"
 #define PAKS_PATH_1_8 L".\\FortniteGame\\Content\\Paks\\"
 #define PRODUCT_VERSION_1_8 L"3724489"
-#define DLL_URL "https://github.com/absoluteSpacehead/testtesttest/raw/refs/heads/main/Mercury-1.8.dll"
-#define PAK_URL "https://github.com/absoluteSpacehead/testtesttest/raw/refs/heads/main/zzz_LawinServer.pak"
-#define SIG_URL "https://github.com/absoluteSpacehead/testtesttest/raw/refs/heads/main/zzz_LawinServer.sig"
+#define DLL_URL "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/Mercury-1.8.dll"
+#define PAK_URL_18 "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/zzz_LawinServer.pak"
+#define SIG_URL_18 "https://github.com/absoluteSpacehead/MercuryLauncher-Assets/raw/refs/heads/main/zzz_LawinServer.sig"
 
 HANDLE job;
 
 void Exit()
 {
     std::cout << "Press any key to exit.\n";
+    TerminateJobObject(job, 0);
     _getch();
 }
 
@@ -256,19 +259,31 @@ int RunLawin()
 
 // The setup for OT / 1.8 are *completely* different, to the point where theres no code shared between them
 
-int SetupOT()
+int SetupOTPak()
 {
-    int lawinStatus = RunLawin();
-    if (lawinStatus != 0)
-        return 1;
+    std::wstring pathAsWstring(CONTENT_PATH_OT);
+    pathAsWstring += L"Paks\\";
 
-    // are we pakless?
-    if (!std::filesystem::exists(CONTENT_PATH_OT))
+    // https://forums.unrealengine.com/t/overriding-or-swapping-out-asset-in-a-pak-file/472404
+    // despite arbitrary filenames working in 1.8, OT6.5 seemingly doesnt accept that?
+    if (!std::filesystem::exists(pathAsWstring + L"FortniteGame-WindowsClient_p.pak"))
     {
-        std::cerr << "Build may not be pakless (Content folder not found). Ensure you downloaded the build from the Mercury server.\n";
-        return 2;
+        std::cout << "Required Mercury file is missing. Downloading...\n";
+
+        if (DownloadFile(PAK_URL_OT, (pathAsWstring + L"FortniteGame-WindowsClient_p.pak").c_str()) != 0)
+        {
+            std::cerr << "Failed to download FortniteGame-WindowsClient_p.pak.\n";
+            return 3;
+        }
+
+        std::cout << "File downloaded.\n";
     }
 
+    return 0;
+}
+
+int SetupOTPakless()
+{
     std::wstring pathAsWstring(CONTENT_PATH_OT);
 
     // check if we have InGame_Gamemode.uasset. we download this last so if we're missing this we can download everything just to be safe
@@ -311,12 +326,50 @@ int SetupOT()
         std::cout << "All files downloaded.\n";
     }
 
-    std::cout << "Starting Fortnite...\nLoading may take a while. Enter anything on the login screen.\n";
+    return 0;
+}
+
+int SetupOT()
+{
+    int lawinStatus = RunLawin();
+    if (lawinStatus != 0)
+        return 1;
+
+    // i just cant fucking believe it
+    if (std::filesystem::exists(BINARY_PATH_OT_FUCKBLK))
+    {
+        std::cout << "Looks like this build was downloaded from blk. Fixing your build files...\n";
+        std::filesystem::rename(BINARY_PATH_OT_FUCKBLK, BINARY_PATH_OT);
+        std::filesystem::remove(L".\\FortniteGame\\Binaries\\Win32\\FortniteLauncher.exe");
+        std::filesystem::remove(L".\\FortniteGame\\Binaries\\Win32\\Launcher.bat");
+    }
+
+    // are we pakless?
+    if (!std::filesystem::exists(CONFIG_PATH_OT))
+    {
+        if (SetupOTPak() != 0)
+        {
+            std::cerr << "Failed to set up Mercury. (OT6.5 pakked)\n";
+            return 2;
+        }
+    }
+    else
+    {
+        if (SetupOTPakless() != 0)
+        {
+            std::cerr << "Failed to set up Mercury. (OT6.5 pakless)\n";
+            return 2;
+        }
+    }
+
+    std::cout << "Starting Fortnite...\nLoading may take a while.\n";
 
     STARTUPINFOW startupInfo = { 0 };
     startupInfo.cb = sizeof(STARTUPINFO);
     PROCESS_INFORMATION processInformation = { 0 };
-    CreateProcessW((LPWSTR)BINARY_PATH_OT, nullptr, nullptr, nullptr, FALSE, 0x0, nullptr, nullptr, &startupInfo, &processInformation);
+    std::wstring cmd(BINARY_PATH_OT);
+    cmd += L" -log -AUTH_LOGIN=unknown -AUTH_PASSWORD=5001 -AUTH_TYPE=exchangecode";
+    CreateProcessW(BINARY_PATH_OT, &cmd[0], nullptr, nullptr, FALSE, 0x0, nullptr, nullptr, &startupInfo, &processInformation);
 
     AssignProcessToJobObject(job, processInformation.hProcess);
 
@@ -345,9 +398,9 @@ int Setup18()
         return 4;
     }
 
-    // check that we have the mercury dll AND the pak. someone could be using the same build folder but have wiped their appdata, etc
+    // check that we have the mercury dll AND the sig. someone could be using the same build folder but have wiped their appdata, etc
     std::wstring pathAsWstring(PAKS_PATH_1_8);
-    if (!std::filesystem::exists(localAppData + L"\\Mercury-1.8.dll") || !std::filesystem::exists(pathAsWstring + L"zzz_LawinServer.pak"))
+    if (!std::filesystem::exists(localAppData + L"\\Mercury-1.8.dll") || !std::filesystem::exists(pathAsWstring + L"zzz_LawinServer.sig"))
     {
         std::cout << "Required Mercury files are missing. Downloading...\n";
 
@@ -357,13 +410,13 @@ int Setup18()
             return 2;
         }
 
-        if (DownloadFile(PAK_URL, (pathAsWstring + L"zzz_LawinServer.pak").c_str()) != 0)
+        if (DownloadFile(PAK_URL_18, (pathAsWstring + L"zzz_LawinServer.pak").c_str()) != 0)
         {
             std::cerr << "Failed to download zzz_LawinServer.pak.\n";
             return 2;
         }
 
-        if (DownloadFile(SIG_URL, (pathAsWstring + L"zzz_LawinServer.sig").c_str()) != 0)
+        if (DownloadFile(SIG_URL_18, (pathAsWstring + L"zzz_LawinServer.sig").c_str()) != 0)
         {
             std::cerr << "Failed to download zzz_LawinServer.sig.\n";
             return 2;
@@ -383,7 +436,7 @@ int Setup18()
     std::wstring cmdl(BINARY_PATH_1_8);
     cmdl += L" -skippatchcheck -epicportal -HTTP=WinInet -log";
 
-    CreateProcessW((LPWSTR)BINARY_PATH_1_8, &cmdl[0], nullptr, nullptr, FALSE, 0x0, nullptr, nullptr, &startupInfo, &processInformation);
+    CreateProcessW(BINARY_PATH_1_8, &cmdl[0], nullptr, nullptr, FALSE, 0x0, nullptr, nullptr, &startupInfo, &processInformation);
 
     AssignProcessToJobObject(job, processInformation.hProcess);
 
@@ -453,7 +506,7 @@ int main()
     CloseHandle(processInformation.hProcess);
     CloseHandle(processInformation.hThread);
 
-    if (std::filesystem::exists(BINARY_PATH_OT))
+    if (std::filesystem::exists(BINARY_PATH_OT) || std::filesystem::exists(BINARY_PATH_OT_FUCKBLK))
     {
         // we only have 1 32bit build lol
         int status = SetupOT();
@@ -494,7 +547,7 @@ int main()
     }
     else
     {
-        std::cerr << "No binaries could be found. Ensure the launcher is placed alongside the FortniteGame and Content folders.\n";
+        std::cerr << "No binaries could be found. Ensure the launcher is placed alongside the FortniteGame and Engine folders.\n";
         Exit();
         return 1;
     }

README.md

@@ -0,0 +1,6 @@
+Temporary, sloppily written Mercury launcher designed to keep things simple until the next update (eventually) releases.
+
+Uses a bunch of libraries that I'm too lazy to write here, notably MinHook, libcurl & libzip
+
+# Usage
+![image](https://github.com/user-attachments/assets/ee3285e7-213e-4c05-82f6-2fd320ee0244)