Merge pull request #455 from miniduikboot/fix/i18n-nicknames

Fix/i18n nicknames

src/Impostor.Api/Innersloth/TextBox.cs

@@ -4,7 +4,19 @@
     {
         public static bool IsCharAllowed(char i)
         {
-            return i == ' ' || (i >= 'A' && i <= 'Z') || (i >= 'a' && i <= 'z') || (i >= '0' && i <= '9') || (i >= 'À' && i <= 'ÿ') || (i >= 'Ѐ' && i <= 'џ') || (i >= 'ㄱ' && i <= 'ㆎ') || (i >= '가' && i <= '힣');
+            return i == ' ' ||
+                (i >= 'A' && i <= 'Z') ||
+                (i >= 'a' && i <= 'z') ||
+                (i >= '0' && i <= '9') ||
+
+                // U+00C0 to U+00FF (Latin-1 Supplement)
+                (i >= 'À' && i <= 'ÿ') ||
+
+                // U+0400 to U+045F (Cyrillic)
+                (i >= 'Ѐ' && i <= 'џ') ||
+
+                // U+2C61 to U+D7A3 (CJK)
+                (i >= 'ⱡ' && i <= '힣');
         }
     }
 }

src/Impostor.Server/Net/Manager/ClientManager.cs

@@ -98,7 +98,7 @@ namespace Impostor.Server.Net.Manager
                 return;
             }
 
-            if (string.IsNullOrWhiteSpace(name) || !name.All(TextBox.IsCharAllowed))
+            if (string.IsNullOrWhiteSpace(name))
             {
                 using var packet = MessageWriter.Get(MessageType.Reliable);
                 Message01JoinGameS2C.SerializeError(packet, false, DisconnectReason.Custom, DisconnectMessages.UsernameIllegalCharacters);