Added nullrhi option

lib/src/controller/game_controller.dart

@@ -36,15 +36,16 @@ class GameController extends GetxController {
     _selectedVersion = Rxn(decodedSelectedVersion);
 
     host = RxBool(_storage.read("host") ?? false);
+    host.listen((value) {
+      _storage.write("host", value);
+      username.text = _storage.read("${host.value ? 'host' : 'game'}_username") ?? "";
+    });
 
     username = TextEditingController(text: _storage.read("${host.value ? 'host' : 'game'}_username") ?? "");
     username.addListener(() async {
       await _storage.write("${host.value ? 'host' : 'game'}_username", username.text);
     });
 
-    host.listen((value) => _storage.write("host", value));
-    host.listen((value) => username.text = _storage.read("${host.value ? 'host' : 'game'}_username") ?? "");
-
     started = RxBool(false);
   }
 

lib/src/model/fortnite_version.dart

@@ -12,33 +12,29 @@ class FortniteVersion {
 
   FortniteVersion({required this.name, required this.location});
 
-  static File findExecutable(Directory directory, String name) {
+  static File? findExecutable(Directory directory, String name) {
-    if(path.basename(directory.path) == "FortniteGame"){
-      return File("$directory/Binaries/Win64/$name");
-    }
-
     try{
-      var gameDirectory = directory.listSync(recursive: true)
+      var result = directory.listSync(recursive: true)
-          .firstWhereOrNull((element) => path.basename(element.path) == "FortniteGame");
+          .firstWhereOrNull((element) => path.basename(element.path) == name);
-      if(gameDirectory == null){
+      if(result == null){
-        return File("${directory.path}/Binaries/Win64/$name");
+        return null;
       }
 
-      return File("${gameDirectory.path}/Binaries/Win64/$name");
+      return File(result.path);
     }catch(_){
-      return File("${directory.path}/Binaries/Win64/$name");
+      return null;
     }
   }
 
-  File get executable {
+  File? get executable {
     return findExecutable(location, "FortniteClient-Win64-Shipping.exe");
   }
 
-  File get launcher {
+  File? get launcher {
     return findExecutable(location, "FortniteLauncher.exe");
   }
 
-  File get eacExecutable {
+  File? get eacExecutable {
     return findExecutable(location, "FortniteClient-Win64-Shipping_EAC.exe");
   }
 

lib/src/page/info_page.dart

@@ -31,7 +31,7 @@ class InfoPage extends StatelessWidget {
         ),
         const Expanded(
             child: Align(
-                alignment: Alignment.bottomLeft, child: Text("Version 3.6${kDebugMode ? '-DEBUG' : ''}")))
+                alignment: Alignment.bottomLeft, child: Text("Version 3.7${kDebugMode ? '-DEBUG' : ''}")))
       ],
     );
   }

lib/src/util/injector.dart

@@ -12,7 +12,7 @@ Future<bool> injectDll(int pid, String dll) async {
   var process = await shell.run("./injector.exe -p $pid --inject \"$dll\"");
   var success = process.outText.contains("Successfully injected module");
   if (!success) {
-    injectLogFile.writeAsString(process.outText, mode: FileMode.append);
+    injectLogFile.writeAsString(process.outText);
   }
 
   return success;

lib/src/util/patcher.dart

@@ -0,0 +1,40 @@
+import 'dart:io';
+import 'dart:typed_data';
+
+final Uint8List _original = Uint8List.fromList([
+  45, 0, 105, 0, 110, 0, 118, 0, 105, 0, 116, 0, 101, 0, 115, 0, 101, 0, 115, 0, 115, 0, 105, 0, 111, 0, 110, 0, 32, 0, 45, 0, 105, 0, 110, 0, 118, 0, 105, 0, 116, 0, 101, 0, 102, 0, 114, 0, 111, 0, 109, 0, 32, 0, 45, 0, 112, 0, 97, 0, 114, 0, 116, 0, 121, 0, 95, 0, 106, 0, 111, 0, 105, 0, 110, 0, 105, 0, 110, 0, 102, 0, 111, 0, 95, 0, 116, 0, 111, 0, 107, 0, 101, 0, 110, 0, 32, 0, 45, 0, 114, 0, 101, 0, 112, 0, 108, 0, 97, 0, 121, 0
+]);
+
+final Uint8List _patched = Uint8List.fromList([
+  45, 0, 108, 0, 111, 0, 103, 0, 32, 0, 45, 0, 110, 0, 111, 0, 115, 0, 112, 0, 108, 0, 97, 0, 115, 0, 104, 0, 32, 0, 45, 0, 110, 0, 111, 0, 115, 0, 111, 0, 117, 0, 110, 0, 100, 0, 32, 0, 45, 0, 110, 0, 117, 0, 108, 0, 108, 0, 114, 0, 104, 0, 105, 0, 32, 0, 45, 0, 117, 0, 115, 0, 101, 0, 111, 0, 108, 0, 100, 0, 105, 0, 116, 0, 101, 0, 109, 0, 99, 0, 97, 0, 114, 0, 100, 0, 115, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0
+]);
+
+Future<bool> patchExe(File file) async {
+  if(_original.length != _patched.length){
+    throw Exception("Cannot mutate length of binary file");
+  }
+
+  var read = await file.readAsBytes();
+  var length = await file.length();
+  var offset = 0;
+  var counter = 0;
+  while(offset < length){
+    if(read[offset] == _original[counter]){
+      counter++;
+    }else {
+      counter = 0;
+    }
+
+    offset++;
+    if(counter == _original.length){
+      for(var index = 0; index < _patched.length; index++){
+        read[offset - counter + index] = _patched[index];
+      }
+
+      await file.writeAsBytes(read, mode: FileMode.write);
+      return true;
+    }
+  }
+
+  return false;
+}

lib/src/widget/add_local_version.dart

@@ -98,7 +98,7 @@ class AddLocalVersion extends StatelessWidget {
       return "Directory doesn't exist";
     }
 
-    if (!FortniteVersion.findExecutable(directory, "FortniteClient-Win64-Shipping.exe").existsSync()) {
+    if (FortniteVersion.findExecutable(directory, "FortniteClient-Win64-Shipping.exe") == null) {
       return "Invalid game path";
     }
 

lib/src/widget/launch_button.dart

@@ -8,6 +8,7 @@ import 'package:reboot_launcher/src/controller/game_controller.dart';
 import 'package:reboot_launcher/src/controller/server_controller.dart';
 import 'package:reboot_launcher/src/util/injector.dart';
 import 'package:reboot_launcher/src/util/binary.dart';
+import 'package:reboot_launcher/src/util/patcher.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:win32_suspend_process/win32_suspend_process.dart';
 
@@ -35,7 +36,7 @@ class _LaunchButtonState extends State<LaunchButton> {
         child: Obx(() => Tooltip(
           message: _gameController.started.value ? "Close the running Fortnite instance" : "Launch a new Fortnite instance",
           child: Button(
-              onPressed: () => _onPressed(context),
+              onPressed: _onPressed,
               child: Text(_gameController.started.value ? "Close" : "Launch")
           ),
         )),
@@ -43,7 +44,7 @@ class _LaunchButtonState extends State<LaunchButton> {
     );
   }
 
-  void _onPressed(BuildContext context) async {
+  void _onPressed() async {
     if (_gameController.username.text.isEmpty) {
       showSnackbar(
           context, const Snackbar(content: Text("Please type a username")));
@@ -84,38 +85,103 @@ class _LaunchButtonState extends State<LaunchButton> {
     try {
       _updateServerState(true);
       var version = _gameController.selectedVersionObs.value!;
-      if (await version.launcher.exists()) {
+      var hosting = _gameController.host.value;
-        _gameController.launcherProcess = await Process.start(version.launcher.path, []);
+      if (version.launcher != null) {
+        _gameController.launcherProcess = await Process.start(version.launcher!.path, []);
         Win32Process(_gameController.launcherProcess!.pid).suspend();
       }
 
-      if (await version.eacExecutable.exists()) {
+      if (version.eacExecutable != null) {
-        _gameController.eacProcess = await Process.start(version.eacExecutable.path, []);
+        _gameController.eacProcess = await Process.start(version.eacExecutable!.path, []);
         Win32Process(_gameController.eacProcess!.pid).suspend();
       }
 
-      _gameController.gameProcess = await Process.start(version.executable.path, _createProcessArguments())
+      if(hosting){
-        ..exitCode.then((_) => _onStop())
+        await patchExe(version.executable!);
+      }
+
+      _gameController.gameProcess = await Process.start(version.executable!.path, _createProcessArguments())
+        ..exitCode.then((_) => _onEnd())
         ..outLines.forEach(_onGameOutput);
-      _injectOrShowError("cranium.dll");
+      await _injectOrShowError("cranium.dll");
+
+      if(hosting){
+        _showServerLaunchingWarning();
+      }
     } catch (exception) {
-      _updateServerState(false);
+      _closeDialogIfOpen();
       _onError(exception);
     }
   }
 
-  void _onGameOutput(line) {
+  void _onEnd() {
+    _closeDialogIfOpen();
+    _onStop();
+  }
+
+  void _closeDialogIfOpen() {
+    if(!mounted){
+      return;
+    }
+
+    var route = ModalRoute.of(context);
+    if(route != null && !route.isCurrent){
+      Navigator.of(context).pop(false);
+    }
+  }
+
+  void _showServerLaunchingWarning() async {
+    var result = await showDialog<bool>(
+        context: context,
+        builder: (context) => ContentDialog(
+          content:  const InfoLabel(
+              label: "Launching reboot server...",
+              child: SizedBox(
+                  width: double.infinity,
+                  child: ProgressBar()
+              )
+          ),
+          actions: [
+            SizedBox(
+                width: double.infinity,
+                child: FilledButton(
+                  onPressed: () {
+                    Navigator.of(context).pop(false);
+                    _onStop();
+                  },
+                  style: ButtonStyle(
+                      backgroundColor: ButtonState.all(Colors.red)),
+                  child: const Text('Cancel'),
+                )
+            )
+          ],
+        )
+    );
+
+    if(result != null && result){
+      return;
+    }
+
+    _onStop();
+  }
+
+  void _onGameOutput(String line) {
     if (line.contains("FOnlineSubsystemGoogleCommon::Shutdown()")) {
       _onStop();
       return;
     }
 
-    if (line.contains("[UFortUIManagerWidget_NUI::SetUIState]") && line.contains("FrontEnd")) {
+    if (line.contains("Game Engine Initialized") && !_gameController.host.value) {
-      _injectOrShowError(_gameController.host.value ? "reboot.dll" : "console.dll");
+      _injectOrShowError("console.dll");
+    }
+
+    if(line.contains("added to UI Party led ") && _gameController.host.value){
+      _injectOrShowError("reboot.dll")
+          .then((value) => Navigator.of(context).pop(true));
     }
   }
 
-  Future<Object?> _onError(exception) {
+  Future<Object?> _onError(Object exception) {
     return showDialog(
         context: context,
         builder: (context) => ContentDialog(
@@ -127,7 +193,7 @@ class _LaunchButtonState extends State<LaunchButton> {
                 SizedBox(
                     width: double.infinity,
                     child: FilledButton(
-                      onPressed: () => Navigator.of(context).pop(),
+                      onPressed: () => Navigator.of(context).pop(true),
                       style: ButtonStyle(
                           backgroundColor: ButtonState.all(Colors.red)),
                       child: const Text('Close'),
@@ -141,7 +207,7 @@ class _LaunchButtonState extends State<LaunchButton> {
     _gameController.kill();
   }
 
-  void _injectOrShowError(String binary) async {
+  Future<void> _injectOrShowError(String binary) async {
     var gameProcess = _gameController.gameProcess;
     if (gameProcess == null) {
       return;
@@ -166,7 +232,7 @@ class _LaunchButtonState extends State<LaunchButton> {
   }
 
   List<String> _createProcessArguments() {
-    return [
+    var args = [
       "-epicapp=Fortnite",
       "-epicenv=Prod",
       "-epiclocale=en-us",
@@ -179,5 +245,11 @@ class _LaunchButtonState extends State<LaunchButton> {
       "-AUTH_PASSWORD=Rebooted",
       "-AUTH_TYPE=epic"
     ];
+
+    if(_gameController.host.value){
+      args.addAll(["-log", "-nullrhi", "-nosplash", "-nosound", "-unattended"]);
+    }
+
+    return args;
   }
 }

lib/src/widget/smart_switch.dart

@@ -50,11 +50,11 @@ class _SmartSwitchState extends State<SmartSwitch> {
 
   double get _uncheckedOpacity => widget.enabled ? 0.8 : 0.5;
 
-  void _onChanged(checked) {
+  void _onChanged(bool checked) {
     if (!widget.enabled) {
       return;
     }
 
-    setState(() => widget.value(checked));
+    setState(() => widget.value.value = checked);
   }
 }

lib/src/widget/version_selector.dart

@@ -15,6 +15,7 @@ import 'package:reboot_launcher/src/model/fortnite_version.dart';
 
 import 'package:reboot_launcher/src/controller/game_controller.dart';
 import 'package:reboot_launcher/src/widget/scan_local_version.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 import '../controller/build_controller.dart';
 
@@ -142,7 +143,7 @@ class VersionSelector extends StatelessWidget {
     switch (result) {
       case 0:
         Navigator.of(context).pop();
-        Process.run("explorer.exe", [version.location.path]);
+        launchUrl(version.location.uri);
         break;
 
       case 1:

lib/test.dart

@@ -0,0 +1,73 @@
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:hex/hex.dart';
+
+const String _original = "2d0069006e007600690074006500730065007300730069006f006e0020002d0069006e007600690074006500660072006f006d0020002d00700061007200740079005f006a006f0069006e0069006e0066006f005f0074006f006b0065006e0020002d007200650070006c0061007900";
+const String _patched = "2d006c006f00670020002d006e006f00730070006c0061007300680020002d006e006f0073006f0075006e00640020002d006e0075006c006c0072006800690020002d007500730065006f006c0064006900740065006d00630061007200640073002000200020002000200020002000";
+final Uint8List _originalBinary = Uint8List.fromList([
+  45, 0, 105, 0, 110, 0, 118, 0, 105, 0, 116, 0, 101, 0, 115, 0, 101, 0, 115, 0, 115, 0, 105, 0, 111, 0, 110, 0, 32, 0, 45, 0, 105, 0, 110, 0, 118, 0, 105, 0, 116, 0, 101, 0, 102, 0, 114, 0, 111, 0, 109, 0, 32, 0, 45, 0, 112, 0, 97, 0, 114, 0, 116, 0, 121, 0, 95, 0, 106, 0, 111, 0, 105, 0, 110, 0, 105, 0, 110, 0, 102, 0, 111, 0, 95, 0, 116, 0, 111, 0, 107, 0, 101, 0, 110, 0, 32, 0, 45, 0, 114, 0, 101, 0, 112, 0, 108, 0, 97, 0, 121, 0
+]);
+
+final Uint8List _patchedBinary = Uint8List.fromList([
+  45, 0, 108, 0, 111, 0, 103, 0, 32, 0, 45, 0, 110, 0, 111, 0, 115, 0, 112, 0, 108, 0, 97, 0, 115, 0, 104, 0, 32, 0, 45, 0, 110, 0, 111, 0, 115, 0, 111, 0, 117, 0, 110, 0, 100, 0, 32, 0, 45, 0, 110, 0, 117, 0, 108, 0, 108, 0, 114, 0, 104, 0, 105, 0, 32, 0, 45, 0, 117, 0, 115, 0, 101, 0, 111, 0, 108, 0, 100, 0, 105, 0, 116, 0, 101, 0, 109, 0, 99, 0, 97, 0, 114, 0, 100, 0, 115, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0
+]);
+
+Future<String> patchExeHex(File file) async {
+  Future<String> replaceBinary(File file, String original, String replacement) async {
+    var read = await file.readAsBytes();
+    var hex = HEX.encode(read);
+    var fixed =  hex.replaceAll(original, replacement);
+    return fixed;
+  }
+
+  return await replaceBinary(file, _original, _patched);
+}
+
+Future<String> patchExeBinary(File file) async {
+  Future<String> replaceBinary(File file, Uint8List original, Uint8List replacement) async {
+    if(original.length != replacement.length){
+      throw Exception("Cannot mutate length of binary file");
+    }
+    
+    var read = await file.readAsBytes();
+    var length = await file.length();
+    var offset = 0;
+    var counter = 0;
+    while(offset < length){
+      if(read[offset] == original[counter]){
+        counter++;
+      }else {
+        counter = 0;
+      }
+
+      offset++;
+      if(counter == original.length){
+        for(var index = 0; index < replacement.length; index++){
+          read[offset - counter + index] = replacement[index];
+        }
+
+        return HEX.encode(read);
+      }
+    }
+
+    throw Exception("No match");
+  }
+
+  return await replaceBinary(file, _originalBinary, _patchedBinary);
+}
+
+void main() async {
+  var file = File("D:\\Fortnite73\\FortniteGame\\Binaries\\Win64\\FortniteClient-Win64-Shipping.exe");
+  var hexed = await patchExeHex(file);
+  var binary = await patchExeBinary(file);
+  var offset = 0;
+  while(offset < hexed.length){
+    if(hexed[offset] != binary[offset]){
+      print("Difference ${hexed[offset]} != ${binary[offset]} at $offset");
+    }
+
+    offset++;
+  }
+  print(hexed == binary);
+}

pubspec.yaml

@@ -1,6 +1,6 @@
 name: reboot_launcher
 description: Launcher for project reboot
-version: "3.6.0"
+version: "3.7.0"
 
 publish_to: 'none'
 
@@ -29,6 +29,7 @@ dependencies:
   get: ^4.6.5
   get_storage: ^2.0.3
   window_manager: ^0.2.7
+  hex: ^0.2.0
 
 dev_dependencies:
   flutter_test:
@@ -48,7 +49,7 @@ msix_config:
   display_name: Reboot Launcher
   publisher_display_name: Auties00
   identity_name: 31868Auties00.RebootLauncher
-  msix_version: 3.6.0.0
+  msix_version: 3.7.0.0
   publisher: CN=E6CD08C6-DECF-4034-A3EB-2D5FA2CA8029
   logo_path: ./assets/icons/reboot.ico
   architecture: x64