Function LocalModsRoot

engine/Poseidon/UI/OptionsUIApp.cpp:1232–1238

The mods root the MODS screen scans for local @ folders: the explicit --mods-dir (tests / power users) when given, else the managed mods root. The two managed mod roots. Local mods (the user's own) live under --mods-dir or GamePaths::ModsDir(); downloaded (workshop) mods under --workshop-dir or GamePaths::WorkshopDir(). Keeping them apart preserves each mod's source across launches — a downlo

// The mods root the MODS screen scans for local @<mod> folders: the explicit
// --mods-dir (tests / power users) when given, else the managed mods root.
// The two managed mod roots. Local mods (the user's own) live under --mods-dir or
// GamePaths::ModsDir(); downloaded (workshop) mods under --workshop-dir or
// GamePaths::WorkshopDir(). Keeping them apart preserves each mod's source across
// launches — a downloaded mod stays "workshop" because it sits in the workshop root.
static std::string LocalModsRoot()
{
    const RString& cli = AppConfig::Instance().GetModsDir();
    if (cli.GetLength() > 0)
        return (const char*)cli;
    return Foundation::GamePaths::Instance().ModsDir();