src/openvic/dataloader/Dataloader.hpp


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#pragma once

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

#include "openvic/types/Return.hpp"

namespace OpenVic {
   struct GameManager;
   struct PopManager;
   struct Map;

   class Dataloader {
      std::vector<std::filesystem::path> roots;

      return_t _load_pop_types(PopManager& pop_manager, std::filesystem::path const& pop_type_directory) const;
      return_t _load_map_dir(Map& map, std::filesystem::path const& map_directory) const;

   public:
      Dataloader() = default;

      /* In reverse-load order, so base defines first and final loaded mod last */
      return_t set_roots(std::vector<std::filesystem::path> new_roots);

      std::filesystem::path lookup_file(std::filesystem::path const& path) const;
      static const std::filesystem::path TXT;
      std::vector<std::filesystem::path> lookup_files_in_dir(std::filesystem::path const& path,
         std::filesystem::path const* extension = &TXT) const;
      return_t apply_to_files_in_dir(std::filesystem::path const& path,
         std::function<return_t(std::filesystem::path const&)> callback,
         std::filesystem::path const* extension = &TXT) const;

      return_t load_defines(GameManager& game_manager) const;
      return_t load_pop_history(GameManager& game_manager, std::filesystem::path const& path) const;
   };
}