Final version

gui/lib/src/util/checks.dart

@@ -1,14 +1,15 @@
 import 'dart:io';
 
 import 'package:reboot_common/common.dart';
+import 'package:reboot_launcher/src/util/translations.dart';
 
 String? checkVersion(String? text, List<FortniteVersion> versions) {
   if (text == null || text.isEmpty) {
-    return 'Empty version name';
+    return translations.emptyVersionName;
   }
 
   if (versions.any((element) => element.name == text)) {
-    return 'This version already exists';
+    return translations.versionAlreadyExists;
   }
 
   return null;
@@ -16,7 +17,7 @@ String? checkVersion(String? text, List<FortniteVersion> versions) {
 
 String? checkChangeVersion(String? text) {
   if (text == null || text.isEmpty) {
-    return 'Empty version name';
+    return translations.emptyVersionName;
   }
 
   return null;
@@ -24,16 +25,16 @@ String? checkChangeVersion(String? text) {
 
 String? checkGameFolder(text) {
   if (text == null || text.isEmpty) {
-    return 'Empty game path';
+    return translations.emptyGamePath;
   }
 
   var directory = Directory(text);
   if (!directory.existsSync()) {
-    return "Directory doesn't exist";
+    return translations.directoryDoesNotExist;
   }
 
   if (FortniteVersionExtension.findExecutable(directory, "FortniteClient-Win64-Shipping.exe") == null) {
-    return "Invalid game path";
+    return translations.missingShippingExe;
   }
 
   return null;
@@ -41,7 +42,7 @@ String? checkGameFolder(text) {
 
 String? checkDownloadDestination(text) {
   if (text == null || text.isEmpty) {
-    return 'Invalid download path';
+    return translations.invalidDownloadPath;
   }
 
   return null;
@@ -49,15 +50,15 @@ String? checkDownloadDestination(text) {
 
 String? checkDll(String? text) {
   if (text == null || text.isEmpty) {
-    return "Empty dll path";
+    return translations.invalidDllPath;
   }
 
   if (!File(text).existsSync()) {
-    return "This dll doesn't exist";
+    return translations.dllDoesNotExist;
   }
 
   if (!text.endsWith(".dll")) {
-    return "This file is not a dll";
+    return translations.invalidDllExtension;
   }
 
   return null;
@@ -65,12 +66,12 @@ String? checkDll(String? text) {
 
 String? checkMatchmaking(String? text) {
   if (text == null || text.isEmpty) {
-    return "Empty hostname";
+    return translations.emptyHostname;
   }
 
   var ipParts = text.split(":");
   if(ipParts.length > 2){
-    return "Wrong format, expected ip:port";
+    return translations.hostnameFormat;
   }
 
   return null;
@@ -78,7 +79,7 @@ String? checkMatchmaking(String? text) {
 
 String? checkUpdateUrl(String? text) {
   if (text == null || text.isEmpty) {
-    return "Empty URL";
+    return translations.emptyURL;
   }
 
   return null;

gui/lib/src/util/matchmaker.dart

@@ -1,8 +1,30 @@
+import 'dart:convert';
 import 'dart:io';
 
 import 'package:reboot_common/common.dart';
 
-final File _script = File("${assetsDirectory.path}\\misc\\udp.ps1");
+const Duration _timeout = Duration(seconds: 2);
+
+Future<bool> _pingGameServer(String hostname, int port) async {
+  var socket = await RawDatagramSocket.bind(InternetAddress.anyIPv4, 0);
+  var dataToSend = utf8.encode(DateTime.now().toIso8601String());
+  socket.send(dataToSend, InternetAddress(hostname), port);
+  await for (var event in socket) {
+    switch(event) {
+      case RawSocketEvent.read:
+        return true;
+      case RawSocketEvent.readClosed:
+      case RawSocketEvent.closed:
+        return false;
+      case RawSocketEvent.write:
+        break;
+    }
+  }
+
+  return false;
+}
+
+Future<bool> get _timeoutFuture => Future.delayed(_timeout).then((value) => false);
 
 Future<bool> pingGameServer(String address, {Duration? timeout}) async {
   var start = DateTime.now();
@@ -10,23 +32,20 @@ Future<bool> pingGameServer(String address, {Duration? timeout}) async {
   while (firstTime || (timeout != null && DateTime.now().millisecondsSinceEpoch - start.millisecondsSinceEpoch < timeout.inMilliseconds)) {
     var split = address.split(":");
     var hostname = split[0];
-    var port = split.length > 1 ? split[1] : kDefaultGameServerPort;
-    var result = await Process.run(
-        "powershell",
-        [
-          _script.path,
-          hostname,
-          port
-        ]
-    );
-    if (result.exitCode == 0) {
+    if(isLocalHost(hostname)) {
+      hostname = "127.0.0.1";
+    }
+
+    var port = int.parse(split.length > 1 ? split[1] : kDefaultGameServerPort);
+    var result = await Future.any([_timeoutFuture, _pingGameServer(hostname, port)]);
+    if(result) {
       return true;
     }
 
     if(firstTime) {
       firstTime = false;
     }else {
-      await Future.delayed(const Duration(seconds: 2));
+      await Future.delayed(_timeout);
     }
   }
 

gui/lib/src/util/translations.dart

@@ -0,0 +1,18 @@
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:flutter_gen/gen_l10n/reboot_localizations.dart';
+
+AppLocalizations? _translations;
+bool _init = false;
+
+AppLocalizations get translations {
+  if(!_init) {
+    throw StateError("Translations haven't been loaded");
+  }
+
+  return _translations!;
+}
+
+void loadTranslations(BuildContext context) {
+  _translations = AppLocalizations.of(context)!;
+  _init = true;
+}