Method getGamePlugin

src/instancemanager.cpp:211–311

}

Instance::SetupResults Instance::getGamePlugin(PluginContainer& plugins)
{
  if (!m_gameName.isEmpty() && !m_gameDir.isEmpty()) {
    // normal case: both the name and dir are in the ini

    // find the plugin by name
    for (IPluginGame* game : plugins.plugins<IPluginGame>()) {
      if (m_gameName.compare(game->gameName(), Qt::CaseInsensitive) == 0) {
        // plugin found, check if the game directory is valid

        if (!game->looksValid(m_gameDir)) {
          // the directory from the ini is not valid anymore
          log::warn("game plugin {} says dir {} from ini {} is not valid",
                    game->gameName(), m_gameDir, iniPath());

          // note that some plugins return true for isInstalled() if a path
          // is found in the registry, but without actually checking if it's
          // valid

          if (game->isInstalled() && game->looksValid(game->gameDirectory())) {
            // bad game directory but the plugin reports there's a valid one
            // somewhere; take it instead
            log::warn("game plugin {} found a game at {}, taking it", game->gameName(),
                      game->gameDirectory().absolutePath());

            m_gameDir = game->gameDirectory().absolutePath();
          } else {
            // game seems to be gone completely
            log::warn("game plugin {} found no game installation at all",
                      game->gameName());
            return SetupResults::GameGone;
          }
        }

        m_plugin = game;
        return SetupResults::Okay;
      }
    }

    log::warn("game plugin {} not found", m_gameName);
    return SetupResults::PluginGone;
  } else if (m_gameName.isEmpty() && !m_gameDir.isEmpty()) {
    // the name is missing, but there's a directory; find a plugin that can
    // handle it

    log::warn("game name is missing from ini {} but dir {} is available", iniPath(),
              m_gameDir);

    for (IPluginGame* game : plugins.plugins<IPluginGame>()) {
      if (game->looksValid(m_gameDir)) {
        // take it
        log::warn("found plugin {} that can use dir {}", game->gameName(), m_gameDir);

        m_plugin   = game;
        m_gameName = game->gameName();

        return SetupResults::Okay;
      }