add cases for empty paths

edit path usages to use filesystem

include/Launcher.h

@@ -43,8 +43,8 @@ class Launcher {
    void setDiscordMessage(const std::string& message);
    static void setExit(bool exit) noexcept;
    const std::string& getFullVersion();
-   const std::string& getMPUserPath();
-   const std::string& getCachePath();
+   const fs::path& getMPUserPath();
+   const fs::path& getCachePath();
    static bool Terminated() noexcept;
    const std::string& getPublicKey();
    const std::string& getUserRole();
@@ -70,6 +70,9 @@ class Launcher {
    private:  // variables
    uint32_t GamePID{0};
    bool EnableUI = true;
+   fs::path MPUserPath{};
+   fs::path BeamUserPath{};
+   fs::path LauncherCache{};
    int64_t DiscordTime{};
    bool LoginAuth = false;
    fs::path CurrentPath{};
@@ -78,13 +81,11 @@ class Launcher {
    std::string PublicKey{};
    std::thread IPCSystem{};
    std::thread DiscordRPC{};
-   std::string MPUserPath{};
    std::string BeamVersion{};
-   std::string BeamUserPath{};
    std::string DiscordMessage{};
    Server ServerHandler{this};
    std::string TargetBuild{"default"};
-   std::string LauncherCache{};
+
    static inline std::atomic<bool> Shutdown{false}, Exit{false};
    std::unique_ptr<IPC> IPCToGame{};
    std::unique_ptr<IPC> IPCFromGame{};

src/Config.cpp

@@ -25,19 +25,28 @@ void Launcher::LoadConfig() {
          for (char& c : TargetBuild) c = char(tolower(c));
       } else LOG(ERROR) << "Failed to get 'Build' string from config";
 
-      if (GamePath.is_string()) BeamRoot = GamePath.as_string()->get();
+      if (GamePath.is_string()) {
+         if(!GamePath.as_string()->get().empty()) {
+            BeamRoot = GamePath.as_string()->get();
+         } else throw ShutdownException("GamePath cannot be empty");
+      }
       else LOG(ERROR) << "Failed to get 'GamePath' string from config";
 
       if (ProfilePath.is_string()) {
-         BeamUserPath = ProfilePath.as_string()->get();
-         if (!BeamUserPath.empty()) {
-            MPUserPath = BeamUserPath + "\\mods\\multiplayer";
-         }
+         auto GameVer = VersionParser(UIData::GameVer).split;
+
+         if (!ProfilePath.as_string()->get().empty()) {
+            BeamUserPath = fs::path(ProfilePath.as_string()->get())/(GameVer[0] + '.' + GameVer[1]);
+            MPUserPath = BeamUserPath/"mods"/"multiplayer";
+         } else throw ShutdownException("ProfilePath cannot be empty");
       }
       else LOG(ERROR) << "Failed to get 'ProfilePath' string from config";
 
-      if (CachePath.is_string()) LauncherCache = CachePath.as_string()->get();
-      else LOG(ERROR) << "Failed to get 'CachePath' string from config";
+      if (CachePath.is_string()) {
+         if(!CachePath.as_string()->get().empty()) {
+            LauncherCache = CachePath.as_string()->get();
+         } else throw ShutdownException("CachePath cannot be empty");
+      } else LOG(ERROR) << "Failed to get 'CachePath' string from config";
 
       BeamVersion = UIData::GameVer;
    } else {

src/Launcher.cpp

@@ -208,7 +208,7 @@ void Launcher::setExit(bool exit) noexcept {
    Exit.store(exit);
 }
 
-const std::string& Launcher::getMPUserPath() {
+const fs::path& Launcher::getMPUserPath() {
    return MPUserPath;
 }
 
@@ -216,6 +216,6 @@ const std::string& Launcher::getPublicKey() {
    return PublicKey;
 }
 
-const std::string& Launcher::getCachePath() {
+const fs::path& Launcher::getCachePath() {
    return LauncherCache;
 }

src/Network/Resources.cpp

@@ -255,7 +255,7 @@ void Server::SyncResources() {
         FN != FNames.end() && !Terminate; ++FN, ++FS) {
       auto pos = FN->find_last_of('/');
       if (pos != std::string::npos) {
-         a = LauncherInstance->getCachePath() + FN->substr(pos);
+         a = (LauncherInstance->getCachePath()/FN->substr(pos+1)).string();
       } else continue;
       Pos++;
       if (fs::exists(a)) {
@@ -269,8 +269,8 @@ void Server::SyncResources() {
                   fs::create_directories(LauncherInstance->getMPUserPath());
                }
                fs::copy_file(a,
-                             LauncherInstance->getMPUserPath() +
-                                 a.substr(a.find_last_of('/')),
+                             LauncherInstance->getMPUserPath() /
+                                 a.substr(a.find_last_of('/')+1),
                              fs::copy_options::overwrite_existing);
             } catch (std::exception& e) {
                LOG(ERROR) << "Failed copy to the mods folder! " << e.what();
@@ -282,7 +282,7 @@ void Server::SyncResources() {
          } else remove(a.c_str());
       }
       CheckForDir();
-      std::string FName = a.substr(a.find_last_of('/'));
+      std::string FName = a.substr(a.find_last_of('/')+1);
       do {
          TCPSend("f" + *FN);
 
@@ -313,7 +313,7 @@ void Server::SyncResources() {
          if (!fs::exists(LauncherInstance->getMPUserPath())) {
             fs::create_directories(LauncherInstance->getMPUserPath());
          }
-         fs::copy_file(a, LauncherInstance->getMPUserPath() + FName,
+         fs::copy_file(a, LauncherInstance->getMPUserPath()/FName,
                        fs::copy_options::overwrite_existing);
       }
       WaitForConfirm();

src/Network/Update.cpp

@@ -44,7 +44,7 @@ void Launcher::ResetMods() {
       fs::create_directories(MPUserPath);
       return;
    }
-   if (DirCount(fs::path(MPUserPath)) > 3) {
+   if (DirCount(MPUserPath) > 3) {
       LOG(WARNING)
           << "mods/multiplayer will be cleared in 15 seconds, close to abort";
       std::this_thread::sleep_for(std::chrono::seconds(15));
@@ -54,7 +54,7 @@ void Launcher::ResetMods() {
 }
 
 void Launcher::EnableMP() {
-   std::string File(BeamUserPath + "mods\\db.json");
+   fs::path File(BeamUserPath/"mods"/"db.json");
    if (!fs::exists(File)) return;
    auto Size = fs::file_size(File);
    if (Size < 2) return;
@@ -86,5 +86,5 @@ void Launcher::SetupMOD() {
        "https://backend.beammp.com/builds/client?download=true"
        "&pk=" +
            PublicKey + "&branch=" + TargetBuild,
-       MPUserPath + "\\BeamMP.zip");
+       (MPUserPath/"BeamMP.zip").string());
 }

src/gui/Gui.cpp

@@ -758,8 +758,8 @@ MySettingsFrame::MySettingsFrame() :
    ctrlProfileDirectory->SetLabel("ProfilePath");
    auto btnDetectProfileDirectory = new wxButton(panel, 204, wxT("Detect"), wxPoint(185, 240), wxSize(90, 25));
 
-   auto* txtCacheDirectory = new wxStaticText(panel, wxID_ANY, wxT("Cache Directory: "), wxPoint(30, 300));
-   ctrlCacheDirectory      = new wxDirPickerCtrl(panel, 202, wxEmptyString, wxT("Cache Directory"), wxPoint(130, 300), wxSize(300, -1));
+   auto* txtCacheDirectory = new wxStaticText(panel, wxID_ANY, wxT("Download Cache: "), wxPoint(30, 300));
+   ctrlCacheDirectory      = new wxDirPickerCtrl(panel, 202, wxEmptyString, wxT("Download Cache"), wxPoint(130, 300), wxSize(300, -1));
    ctrlCacheDirectory->SetLabel("CachePath");
    auto btnCacheDirectory = new wxButton(panel, 205, wxT("Reset"), wxPoint(185, 340), wxSize(90, 25));