src/openvic-simulation/map/Region.hpp


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#pragma once

#include <ranges>
#include <string_view>
#include <vector>

#include "openvic-simulation/modifier/Modifier.hpp"

namespace OpenVic {

   struct ProvinceDefinition;

   struct ProvinceSet {
   private:
      std::vector<ProvinceDefinition const*> PROPERTY(provinces);
      bool locked = false;

   public:
      /* Returns true if the province is successfully added, false if not (including if it's already in the set). */
      bool add_province(ProvinceDefinition const* province);

      template<std::ranges::sized_range Container>
      requires std::convertible_to<std::ranges::range_value_t<Container>, ProvinceDefinition const*>
      bool add_provinces(Container const& new_provinces) {
         reserve_more(new_provinces.size());

         bool ret = true;

         for (ProvinceDefinition const* province : new_provinces) {
            ret &= add_province(province);
         }

         return ret;
      }

      /* Returns true if the province is successfully removed, false if not (including if it's not in the set). */
      bool remove_province(ProvinceDefinition const* province);
      void lock(bool log = false);
      bool is_locked() const;
      void reset();
      bool empty() const;
      size_t size() const;
      void reserve(size_t size);
      void reserve_more(size_t size);
      bool contains_province(ProvinceDefinition const* province) const;
   };

   struct ProvinceSetModifier : Modifier, ProvinceSet {
      friend struct MapDefinition;
   private:
      ProvinceSetModifier(std::string_view new_identifier, ModifierValue&& new_values);
   public:
      ProvinceSetModifier(ProvinceSetModifier&&) = default;
   };

   /* REQUIREMENTS:
    * MAP-6, MAP-44, MAP-48
    */
   struct Region : HasIdentifierAndColour, ProvinceSet {
      friend struct MapDefinition;

   private:
      /* A meta region cannot be the template for a state.
       * Any region containing a province already listed in a
       * previously defined region is considered a meta region.
       */
      const bool PROPERTY(meta);

      Region(std::string_view new_identifier, colour_t new_colour, bool new_meta);

   public:
      Region(Region&&) = default;
   };
}