path: root/src/openvic-simulation/map/Province.cpp

#include "Province.hpp"

#include "openvic-simulation/history/ProvinceHistory.hpp"

using namespace OpenVic;
using namespace OpenVic::NodeTools;

Province::Province(
   std::string_view new_identifier, colour_t new_colour, index_t new_index
) : HasIdentifierAndColour { new_identifier, new_colour, true, false }, index { new_index },
   region { nullptr }, on_map { false }, has_region { false }, water { false }, default_terrain_type { nullptr },
   terrain_type { nullptr }, life_rating { 0 }, colony_status { colony_status_t::STATE }, owner { nullptr },
   controller { nullptr }, slave { false }, crime { nullptr }, rgo { nullptr }, buildings { "buildings", false },
   total_population { 0 } {
   assert(index != NULL_INDEX);
}

std::string Province::to_string() const {
   std::stringstream stream;
   stream << "(#" << std::to_string(index) << ", " << get_identifier() << ", 0x" << colour_to_hex_string() << ")";
   return stream.str();
}

bool Province::load_positions(BuildingTypeManager const& building_type_manager, ast::NodeCPtr root) {
   return expect_dictionary_keys(
      "text_position", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.text)),
      "text_rotation", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(positions.text_rotation)),
      "text_scale", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(positions.text_scale)),
      "unit", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.unit)),
      "town", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.city)),
      "city", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.city)),
      "factory", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.factory)),
      "building_construction", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.building_construction)),
      "military_construction", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.military_construction)),
      "building_position", ZERO_OR_ONE, building_type_manager.expect_building_type_dictionary(
         [this](BuildingType const& type, ast::NodeCPtr value) -> bool {
            return expect_fvec2([this, &type](fvec2_t position) -> bool {
               positions.building_position.emplace(&type, std::move(position));
               return true;
            })(value);
         }
      ),
      "building_rotation", ZERO_OR_ONE, building_type_manager.expect_building_type_decimal_map(
         move_variable_callback(positions.building_rotation)
      ),
      /* the below are esoteric clausewitz leftovers that either have no impact or whose functionality is lost to time */
      "spawn_railway_track", ZERO_OR_ONE, success_callback,
      "railroad_visibility", ZERO_OR_ONE, success_callback,
      "building_nudge", ZERO_OR_ONE, success_callback
   )(root);
}

bool Province::expand_building(std::string_view building_type_identifier) {
   BuildingInstance* building = buildings.get_item_by_identifier(building_type_identifier);
   if (building == nullptr) {
      return false;
   }
   return building->expand();
}

bool Province::load_pop_list(PopManager const& pop_manager, ast::NodeCPtr root) {
   return expect_dictionary_reserve_length(pops,
      [this, &pop_manager](std::string_view pop_type_identifier, ast::NodeCPtr pop_node) -> bool {
         return pop_manager.load_pop_into_province(*this, pop_type_identifier, pop_node);
      }
   )(root);
}

bool Province::add_pop(Pop&& pop) {
   if (!get_water()) {
      pops.push_back(std::move(pop));
      return true;
   } else {
      Logger::error("Trying to add pop to water province ", get_identifier());
      return false;
   }
}

size_t Province::get_pop_count() const {
   return pops.size();
}

/* REQUIREMENTS:
 * MAP-65, MAP-68, MAP-70, MAP-234
 */
void Province::update_pops() {
   total_population = 0;
   pop_type_distribution.clear();
   ideology_distribution.clear();
   culture_distribution.clear();
   religion_distribution.clear();
   for (Pop const& pop : pops) {
      total_population += pop.get_size();
      pop_type_distribution[&pop.get_type()] += pop.get_size();
      //ideology_distribution[&pop.get_???()] += pop.get_size();
      culture_distribution[&pop.get_culture()] += pop.get_size();
      religion_distribution[&pop.get_religion()] += pop.get_size();
   }
}

void Province::update_state(Date today) {
   for (BuildingInstance& building : buildings.get_items()) {
      building.update_state(today);
   }
   update_pops();
}

void Province::tick(Date today) {
   for (BuildingInstance& building : buildings.get_items()) {
      building.tick(today);
   }
}

Province::adjacency_t::adjacency_t(Province const* province, distance_t distance, flags_t flags)
   : province { province }, distance { distance }, flags { flags } {
   assert(province != nullptr);
}

bool Province::is_adjacent_to(Province const* province) {
   for (adjacency_t adj : adjacencies) {
      if (adj.province == province) {
         return true;
      }
   }
   return false;
}

bool Province::add_adjacency(Province const* province, distance_t distance, flags_t flags) {
   if (province == nullptr) {
      Logger::error("Tried to create null adjacency province for province ", get_identifier(), "!");
      return false;
   }
   if (is_adjacent_to(province)) {
      return false;
   }
   adjacencies.push_back({ province, distance, flags });
   return true;
}

bool Province::reset(BuildingTypeManager const& building_type_manager) {
   terrain_type = default_terrain_type;
   life_rating = 0;
   colony_status = colony_status_t::STATE;
   owner = nullptr;
   controller = nullptr;
   cores.clear();
   slave = false;
   rgo = nullptr;

   buildings.reset();
   bool ret = true;
   if (!get_water()) {
      if (building_type_manager.building_types_are_locked()) {
         for (BuildingType const& building_type : building_type_manager.get_building_types()) {
            if (building_type.get_in_province()) {
               ret &= buildings.add_item({ building_type });
            }
         }
      } else {
         Logger::error("Cannot generate buildings until building types are locked!");
         ret = false;
      }
   }
   lock_buildings();

   pops.clear();
   update_pops();

   return ret;
}

bool Province::apply_history_to_province(ProvinceHistoryEntry const* entry) {
   if (entry == nullptr) {
      Logger::error("Trying to apply null province history to ", get_identifier());
      return false;
   }
   if (entry->get_life_rating()) life_rating = *entry->get_life_rating();
   if (entry->get_colonial()) colony_status = *entry->get_colonial();
   if (entry->get_rgo()) rgo = *entry->get_rgo();
   if (entry->get_terrain_type()) terrain_type = *entry->get_terrain_type();
   if (entry->get_owner()) owner = *entry->get_owner();
   if (entry->get_controller()) controller = *entry->get_controller();
   if (entry->get_slave()) slave = *entry->get_slave();
   for (Country const* core : entry->get_remove_cores()) {
      const typename decltype(cores)::iterator existing_core = std::find(cores.begin(), cores.end(), core);
      if (existing_core != cores.end()) {
         cores.erase(existing_core);
      } else {
         Logger::warning(
            "Trying to remove non-existent core ", core->get_identifier(), " from province ", get_identifier()
         );
      }
   }
   for (Country const* core : entry->get_add_cores()) {
      const typename decltype(cores)::iterator existing_core = std::find(cores.begin(), cores.end(), core);
      if (existing_core == cores.end()) {
         cores.push_back(core);
      } else {
         Logger::warning(
            "Trying to add already-existing core ", core->get_identifier(), " to province ", get_identifier()
         );
      }
   }
   bool ret = true;
   for (auto const& [building, level] : entry->get_province_buildings()) {
      BuildingInstance* existing_entry = buildings.get_item_by_identifier(building->get_identifier());
      if (existing_entry != nullptr) {
         existing_entry->set_level(level);
      } else {
         Logger::error(
            "Trying to set level of non-existent province building ", building->get_identifier(), " to ", level,
            " in province ", get_identifier()
         );
         ret = false;
      }
   }
   // TODO: load state buildings
   // TODO: party loyalties for each POP when implemented on POP side#
   return ret;
}