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author | Hop311 <hop3114@gmail.com> | 2023-05-03 20:37:26 +0200 |
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committer | Hop311 <hop3114@gmail.com> | 2023-05-03 20:37:26 +0200 |
commit | 64bbf86b623a3cca2eaf9009d7acdcde067592e3 (patch) | |
tree | 5d607f28019675c9eaaa2883acf036717fa45b2f /src/openvic2/Date.hpp | |
parent | c92481448159d3a363d6a99b3025bd2358c3dab6 (diff) |
Moved code to src/openvic2
Diffstat (limited to 'src/openvic2/Date.hpp')
-rw-r--r-- | src/openvic2/Date.hpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/openvic2/Date.hpp b/src/openvic2/Date.hpp new file mode 100644 index 0000000..b19602b --- /dev/null +++ b/src/openvic2/Date.hpp @@ -0,0 +1,83 @@ +#pragma once + +#include <cstdint> +#include <string> +#include <ostream> + +namespace OpenVic2 { + // A relative period between points in time, measured in days + struct Timespan { + using day_t = int64_t; + private: + day_t days; + public: + Timespan(day_t value = 0); + + bool operator<(Timespan other) const; + bool operator>(Timespan other) const; + bool operator<=(Timespan other) const; + bool operator>=(Timespan other) const; + bool operator==(Timespan other) const; + bool operator!=(Timespan other) const; + + Timespan operator+(Timespan other) const; + Timespan operator-(Timespan other) const; + Timespan operator*(day_t factor) const; + Timespan operator/(day_t factor) const; + Timespan& operator+=(Timespan other); + Timespan& operator-=(Timespan other); + Timespan& operator++(); + Timespan operator++(int); + + explicit operator day_t() const; + explicit operator double() const; + explicit operator std::string() const; + }; + std::ostream& operator<< (std::ostream& out, Timespan timespan); + + // Represents an in-game date + // Note: Current implementation does not account for leap-years, or dates before Year 0 + struct Date { + using year_t = uint16_t; + using month_t = uint8_t; + using day_t = uint8_t; + + static constexpr Timespan::day_t MONTHS_IN_YEAR = 12; + static constexpr Timespan::day_t DAYS_IN_YEAR = 365; + static constexpr Timespan::day_t DAYS_IN_MONTH[MONTHS_IN_YEAR] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; + static constexpr Timespan::day_t DAYS_UP_TO_MONTH[MONTHS_IN_YEAR] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 }; + private: + // Number of days since Jan 1st, Year 0 + Timespan timespan; + + static Timespan _dateToTimespan(year_t year, month_t month, day_t day); + public: + // The Timespan is considered to be the number of days since Jan 1st, Year 0 + Date(Timespan total_days); + // Year month day specification + Date(year_t year = 0, month_t month = 1, day_t day = 1); + + year_t getYear() const; + month_t getMonth() const; + day_t getDay() const; + + bool operator<(Date other) const; + bool operator>(Date other) const; + bool operator<=(Date other) const; + bool operator>=(Date other) const; + bool operator==(Date other) const; + bool operator!=(Date other) const; + + Date operator+(Timespan other) const; + Timespan operator-(Date other) const; + Date& operator+=(Timespan other); + Date& operator-=(Timespan other); + Date& operator++(); + Date operator++(int); + + explicit operator std::string() const; + // Parsed from string of the form YYYY.MM.DD + static Date from_string(std::string const& date); + }; + std::ostream& operator<< (std::ostream& out, Date date); +} |