universe.h

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/* Conquer Space
 * Copyright (C) 2021-2025 Conquer Space
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
#pragma once
 
#include <fmt/format.h>
 
#include <map>
#include <memory>
#include <string>
#include <vector>
 
#include <entt/entt.hpp>
 
#include "common/stardate.h"
#include "common/systems/names/namegenerator.h"
#include "common/util/random/random.h"
 
namespace cqsp::common {
class Universe : public entt::registry {
 public:
    explicit Universe(std::string uuid);
    Universe();
 
    components::StarDate date;
 
    std::map<std::string, entt::entity> goods;
    std::vector<entt::entity> consumergoods;
    std::map<std::string, entt::entity> recipes;
    std::map<std::string, entt::entity> terrain_data;
    std::map<std::string, systems::names::NameGenerator> name_generators;
    std::map<std::string, entt::entity> fields;
    std::map<std::string, entt::entity> technologies;
    std::map<std::string, entt::entity> planets;
    std::map<std::string, entt::entity> time_zones;
    std::map<std::string, entt::entity> countries;
    std::map<std::string, entt::entity> provinces;
    std::map<std::string, entt::entity> cities;
    // color -> province map
    std::map<entt::entity, std::map<int, entt::entity>> province_colors;
    // province -> color
    std::map<entt::entity, std::map<entt::entity, int>> colors_province;
    entt::entity sun;
 
    void EnableTick() { to_tick = true; }
    void DisableTick() { to_tick = false; }
    bool ToTick() { return to_tick; }
    void ToggleTick() { to_tick = !to_tick; }
 
    int GetDate() { return date.GetDate(); }
    std::unique_ptr<cqsp::common::util::IRandom> random;
    std::string uuid;
 
    double tick_fraction = 0;
 
 private:
    bool to_tick = false;
};
}  // namespace cqsp::common
 
template <>
struct fmt::formatter<entt::entity> : formatter<std::string> {
    template <typename FormatContext>
    constexpr auto format(entt::entity entity, FormatContext& ctx) const {
        return formatter<std::string>::format(std::to_string((uint64_t)entity), ctx);
    }
};