src/openvic-simulation/map/MapInstance.hpp


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#pragma once

#include "openvic-simulation/map/ProvinceDefinition.hpp"
#include "openvic-simulation/map/ProvinceInstance.hpp"
#include "openvic-simulation/map/State.hpp"
#include "openvic-simulation/types/Date.hpp"
#include "openvic-simulation/types/IdentifierRegistry.hpp"

namespace OpenVic {
   struct MapDefinition;
   struct BuildingTypeManager;
   struct ProvinceHistoryManager;
   struct IssueManager;

   /* REQUIREMENTS:
    * MAP-4
    */
   struct MapInstance {
      MapDefinition const& PROPERTY(map_definition);

      IdentifierRegistry<ProvinceInstance> IDENTIFIER_REGISTRY_CUSTOM_INDEX_OFFSET(province_instance, 1);

      ProvinceInstance* PROPERTY(selected_province); // is it right for this to be mutable? how about using an index instead?
      Pop::pop_size_t PROPERTY(highest_province_population);
      Pop::pop_size_t PROPERTY(total_map_population);

      StateManager PROPERTY_REF(state_manager);

   public:
      MapInstance(MapDefinition const& new_map_definition);

      inline explicit constexpr operator MapDefinition const&() const {
         return map_definition;
      }

      IDENTIFIER_REGISTRY_NON_CONST_ACCESSORS_CUSTOM_INDEX_OFFSET(province_instance, 1);

      ProvinceInstance& get_province_instance_from_definition(ProvinceDefinition const& province);
      ProvinceInstance const& get_province_instance_from_definition(ProvinceDefinition const& province) const;

      void set_selected_province(ProvinceDefinition::index_t index);
      ProvinceInstance* get_selected_province();
      ProvinceDefinition::index_t get_selected_province_index() const;

      bool setup(
         BuildingTypeManager const& building_type_manager,
         decltype(ProvinceInstance::pop_type_distribution)::keys_t const& pop_type_keys,
         decltype(ProvinceInstance::ideology_distribution)::keys_t const& ideology_keys
      );
      bool apply_history_to_provinces(
         ProvinceHistoryManager const& history_manager, Date date, CountryInstanceManager& country_manager,
         IssueManager const& issue_manager
      );

      void update_gamestate(Date today);
      void tick(Date today);
   };
}