stardate.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 <cstdint>
#include <string>
 
namespace cqsp::core::components {
class StarDate {
 public:
    // How many seconds a tick is
    // 10 minutes
    static const int TIME_INCREMENT = 60 * 10;
 
    static constexpr float MINUTE = 0.1f;
    static constexpr int HOUR = static_cast<int>(60 * MINUTE);
    static constexpr int DAY = 24 * HOUR;
    static constexpr int WEEK = DAY * 7;
 
    static const int YEAR = DAY * 365;
 
    void IncrementDate() { date++; }
 
    uint64_t GetDate() const { return date; }
 
    double ToSecond() const { return static_cast<double>(date) * TIME_INCREMENT; }
    double ToDay() const { return date / static_cast<double>(DAY); }
 
    std::string ToString() const;
    std::string ToString(double offset) const;
 
    int GetYear() const;
    int GetMonth() const;
    int GetDay() const;
    int GetHour(double offset = 0.0) const;
    int GetMinute() const;
    int ToTicks(double seconds) { return static_cast<int>(seconds / TIME_INCREMENT); }
 
    void SetDate(unsigned int _date) { date = _date; }
 
    double operator()() const { return ToSecond(); }
 
 private:
    // Time in minutes since the start date
    // This value is set to -1 since we will need to 0th tick to initialize everything properly
    uint64_t date = -1;
 
    static const int start_date = 2000;
};
}  // namespace cqsp::core::components