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path: root/extension/src/openvic-extension/singletons/MenuSingleton.cpp
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#include "MenuSingleton.hpp"

#include <godot_cpp/variant/utility_functions.hpp>

#include <openvic-simulation/GameManager.hpp>

#include "openvic-extension/classes/GFXPieChartTexture.hpp"
#include "openvic-extension/singletons/GameSingleton.hpp"
#include "openvic-extension/utility/ClassBindings.hpp"
#include "openvic-extension/utility/Utilities.hpp"

using namespace godot;
using namespace OpenVic;

using OpenVic::Utilities::std_to_godot_string;
using OpenVic::Utilities::std_view_to_godot_string;

void MenuSingleton::_bind_methods() {
   /* PROVINCE OVERVIEW PANEL */
   OV_BIND_METHOD(MenuSingleton::get_province_info_from_index, { "index" });
   OV_BIND_METHOD(MenuSingleton::get_province_building_count);
   OV_BIND_METHOD(MenuSingleton::get_province_building_identifier, { "building_index" });
   OV_BIND_METHOD(MenuSingleton::expand_selected_province_building, { "building_index" });
   OV_BIND_METHOD(MenuSingleton::get_slave_pop_icon_index);
   OV_BIND_METHOD(MenuSingleton::get_administrative_pop_icon_index);
   OV_BIND_METHOD(MenuSingleton::get_rgo_owner_pop_icon_index);

   /* TIME/SPEED CONTROL PANEL */
   OV_BIND_METHOD(MenuSingleton::set_paused, { "paused" });
   OV_BIND_METHOD(MenuSingleton::toggle_paused);
   OV_BIND_METHOD(MenuSingleton::is_paused);
   OV_BIND_METHOD(MenuSingleton::increase_speed);
   OV_BIND_METHOD(MenuSingleton::decrease_speed);
   OV_BIND_METHOD(MenuSingleton::get_speed);
   OV_BIND_METHOD(MenuSingleton::can_increase_speed);
   OV_BIND_METHOD(MenuSingleton::can_decrease_speed);
   OV_BIND_METHOD(MenuSingleton::get_longform_date);
}

MenuSingleton* MenuSingleton::get_singleton() {
   return singleton;
}

MenuSingleton::MenuSingleton() : game_manager {
   []() -> GameManager* {
      GameSingleton* game_singleton = GameSingleton::get_singleton();
      ERR_FAIL_NULL_V_MSG(
         game_singleton, nullptr, "Cannot initialise MenuSingleton's GameManager pointer - GameSingleton not initialised!"
      );
      return &game_singleton->get_game_manager();
   }()
} {
   ERR_FAIL_COND(singleton != nullptr);
   singleton = this;
}

MenuSingleton::~MenuSingleton() {
   ERR_FAIL_COND(singleton != this);
   singleton = nullptr;
}

/* PROVINCE OVERVIEW PANEL */

Dictionary MenuSingleton::get_province_info_from_index(int32_t index) const {
   ERR_FAIL_NULL_V(game_manager, {});

   static const StringName province_info_province_key = "province";
   static const StringName province_info_region_key = "region";
   static const StringName province_info_slave_status_key = "slave_status";
   static const StringName province_info_colony_status_key = "colony_status";
   static const StringName province_info_terrain_type_key = "terrain_type";
   static const StringName province_info_life_rating_key = "life_rating";
   static const StringName province_info_controller_key = "controller";
   static const StringName province_info_rgo_name_key = "rgo_name";
   static const StringName province_info_rgo_icon_key = "rgo_icon";
   static const StringName province_info_crime_name_key = "crime_name";
   static const StringName province_info_crime_icon_key = "crime_icon";
   static const StringName province_info_total_population_key = "total_population";
   static const StringName province_info_pop_types_key = "pop_types";
   static const StringName province_info_pop_ideologies_key = "pop_ideologies";
   static const StringName province_info_pop_cultures_key = "pop_cultures";
   static const StringName province_info_cores_key = "cores";
   static const StringName province_info_buildings_key = "buildings";

   Province const* province = game_manager->get_map().get_province_by_index(index);
   if (province == nullptr) {
      return {};
   }
   Dictionary ret;

   ret[province_info_province_key] = std_view_to_godot_string(province->get_identifier());

   Region const* region = province->get_region();
   if (region != nullptr) {
      ret[province_info_region_key] = std_view_to_godot_string(region->get_identifier());
   }

   ret[province_info_slave_status_key] = province->get_slave();

   ret[province_info_colony_status_key] = static_cast<int32_t>(province->get_colony_status());

   TerrainType const* terrain_type = province->get_terrain_type();
   if (terrain_type != nullptr) {
      ret[province_info_terrain_type_key] = std_view_to_godot_string(terrain_type->get_identifier());
   }

   ret[province_info_life_rating_key] = province->get_life_rating();

   Country const* controller = province->get_controller();
   if (controller != nullptr) {
      ret[province_info_controller_key] = std_view_to_godot_string(controller->get_identifier());
   }

   Good const* rgo = province->get_rgo();
   if (rgo != nullptr) {
      ret[province_info_rgo_name_key] = std_view_to_godot_string(rgo->get_identifier());
      ret[province_info_rgo_icon_key] = static_cast<int32_t>(rgo->get_index());
   }

   Crime const* crime = province->get_crime();
   if (crime != nullptr) {
      ret[province_info_crime_name_key] = std_view_to_godot_string(crime->get_identifier());
      ret[province_info_crime_icon_key] = static_cast<int32_t>(crime->get_icon());
   }

   ret[province_info_total_population_key] = province->get_total_population();

   fixed_point_map_t<PopType const*> const& pop_types = province->get_pop_type_distribution();
   if (!pop_types.empty()) {
      ret[province_info_pop_types_key] = GFXPieChartTexture::distribution_to_slices_array(pop_types);
   }

   fixed_point_map_t<Ideology const*> const& ideologies = province->get_ideology_distribution();
   if (!ideologies.empty()) {
      ret[province_info_pop_ideologies_key] = GFXPieChartTexture::distribution_to_slices_array(ideologies);
   }

   fixed_point_map_t<Culture const*> const& cultures = province->get_culture_distribution();
   if (!cultures.empty()) {
      ret[province_info_pop_cultures_key] = GFXPieChartTexture::distribution_to_slices_array(cultures);
   }

   std::vector<Country const*> const& cores = province->get_cores();
   if (!cores.empty()) {
      PackedStringArray cores_array;
      cores_array.resize(cores.size());
      for (size_t idx = 0; idx < cores.size(); ++idx) {
         cores_array[idx] = std_view_to_godot_string(cores[idx]->get_identifier());
      }
      ret[province_info_cores_key] = cores_array;
   }

   static const StringName building_info_level_key = "level";
   static const StringName building_info_expansion_state_key = "expansion_state";
   static const StringName building_info_start_date_key = "start_date";
   static const StringName building_info_end_date_key = "end_date";
   static const StringName building_info_expansion_progress_key = "expansion_progress";

   std::vector<BuildingInstance> const& buildings = province->get_buildings();
   if (!buildings.empty()) {
      /* This system relies on the province buildings all being present in the right order. It will have to
       * be changed if we want to support variable combinations and permutations of province buildings. */
      TypedArray<Dictionary> buildings_array;
      buildings_array.resize(buildings.size());
      for (size_t idx = 0; idx < buildings.size(); ++idx) {
         BuildingInstance const& building = buildings[idx];

         Dictionary building_dict;
         building_dict[building_info_level_key] = static_cast<int32_t>(building.get_level());
         building_dict[building_info_expansion_state_key] = static_cast<int32_t>(building.get_expansion_state());
         building_dict[building_info_start_date_key] = std_to_godot_string(building.get_start_date().to_string());
         building_dict[building_info_end_date_key] = std_to_godot_string(building.get_end_date().to_string());
         building_dict[building_info_expansion_progress_key] = building.get_expansion_progress();

         buildings_array[idx] = building_dict;
      }
      ret[province_info_buildings_key] = buildings_array;
   }
   return ret;
}

int32_t MenuSingleton::get_province_building_count() const {
   ERR_FAIL_NULL_V(game_manager, 0);

   return game_manager->get_economy_manager().get_building_type_manager().get_province_building_types().size();
}

String MenuSingleton::get_province_building_identifier(int32_t building_index) const {
   ERR_FAIL_NULL_V(game_manager, {});

   std::vector<BuildingType const*> const& province_building_types =
      game_manager->get_economy_manager().get_building_type_manager().get_province_building_types();
   ERR_FAIL_COND_V_MSG(
      building_index < 0 || building_index >= province_building_types.size(), {},
      vformat("Invalid province building index: %d", building_index)
   );
   return std_view_to_godot_string(province_building_types[building_index]->get_identifier());
}

Error MenuSingleton::expand_selected_province_building(int32_t building_index) {
   ERR_FAIL_NULL_V(game_manager, FAILED);

   ERR_FAIL_COND_V_MSG(
      !game_manager->expand_selected_province_building(building_index), FAILED,
      vformat("Failed to expand the currently selected province's building index %d", building_index)
   );
   return OK;
}

int32_t MenuSingleton::get_slave_pop_icon_index() const {
   ERR_FAIL_NULL_V(game_manager, 0);

   const PopType::sprite_t sprite = game_manager->get_pop_manager().get_slave_sprite();
   ERR_FAIL_COND_V_MSG(sprite <= 0, 0, "Slave sprite unset!");
   return sprite;
}

int32_t MenuSingleton::get_administrative_pop_icon_index() const {
   ERR_FAIL_NULL_V(game_manager, 0);

   const PopType::sprite_t sprite = game_manager->get_pop_manager().get_administrative_sprite();
   ERR_FAIL_COND_V_MSG(sprite <= 0, 0, "Administrative sprite unset!");
   return sprite;
}

int32_t MenuSingleton::get_rgo_owner_pop_icon_index() const {
   ERR_FAIL_NULL_V(game_manager, 0);

   const PopType::sprite_t sprite = game_manager->get_economy_manager().get_production_type_manager().get_rgo_owner_sprite();
   ERR_FAIL_COND_V_MSG(sprite <= 0, 0, "RGO owner sprite unset!");
   return sprite;
}

/* TIME/SPEED CONTROL PANEL */

void MenuSingleton::set_paused(bool paused) {
   ERR_FAIL_NULL(game_manager);

   game_manager->get_simulation_clock().set_paused(paused);
}

void MenuSingleton::toggle_paused() {
   ERR_FAIL_NULL(game_manager);

   game_manager->get_simulation_clock().toggle_paused();
}

bool MenuSingleton::is_paused() const {
   ERR_FAIL_NULL_V(game_manager, true);

   return game_manager->get_simulation_clock().is_paused();
}

void MenuSingleton::increase_speed() {
   ERR_FAIL_NULL(game_manager);

   game_manager->get_simulation_clock().increase_simulation_speed();
}

void MenuSingleton::decrease_speed() {
   ERR_FAIL_NULL(game_manager);

   game_manager->get_simulation_clock().decrease_simulation_speed();
}

int32_t MenuSingleton::get_speed() const {
   ERR_FAIL_NULL_V(game_manager, 0);

   return game_manager->get_simulation_clock().get_simulation_speed();
}

bool MenuSingleton::can_increase_speed() const {
   ERR_FAIL_NULL_V(game_manager, false);

   return game_manager->get_simulation_clock().can_increase_simulation_speed();
}

bool MenuSingleton::can_decrease_speed() const {
   ERR_FAIL_NULL_V(game_manager, false);

   return game_manager->get_simulation_clock().can_decrease_simulation_speed();
}

String MenuSingleton::get_longform_date() const {
   ERR_FAIL_NULL_V(game_manager, {});

   return Utilities::date_to_formatted_string(game_manager->get_today());
}