src/openvic-simulation/dataloader/Dataloader.hpp


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#pragma once

#include <filesystem>
#include <functional>
#include <vector>

namespace OpenVic {
   namespace fs = std::filesystem;

   struct GameManager;
   struct PopManager;
   struct Map;

   class Dataloader {
   public:
      using path_vector_t = std::vector<fs::path>;
   private:
      path_vector_t roots;

      bool _load_pop_types(PopManager& pop_manager, fs::path const& pop_type_directory) const;
      bool _load_map_dir(Map& map, fs::path const& map_directory) const;

   public:
      Dataloader() = default;

      /* In reverse-load order, so base defines first and final loaded mod last */
      bool set_roots(path_vector_t new_roots);

      fs::path lookup_file(fs::path const& path) const;
      static const fs::path TXT;
      path_vector_t lookup_files_in_dir(fs::path const& path,
         fs::path const* extension = &TXT) const;
      bool apply_to_files_in_dir(fs::path const& path,
         std::function<bool(fs::path const&)> callback,
         fs::path const* extension = &TXT) const;

      bool load_defines(GameManager& game_manager) const;
      bool load_pop_history(GameManager& game_manager, fs::path const& path) const;
   };
}