From 48558fdfec509942515b0e2d92e3f1357b201400 Mon Sep 17 00:00:00 2001
From: markomitos <markomitosevic9@gmail.com>
Date: Wed, 1 Mar 2023 23:20:58 +0100
Subject: Add Date to extension 	For absolute simulation dates

Add TimeSpan to extension
	For relative simulation time

Add Simulation Speed Management to extension
Add Visual Studio directory to .gitignore

Co-authored-by: ClarkeCode <clarke.john.robert@gmail.com>
Co-authored-by: Hop311 <hop3114@gmail.com>
---
 extension/src/openvic2/Date.hpp | 83 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 extension/src/openvic2/Date.hpp

(limited to 'extension/src/openvic2/Date.hpp')

diff --git a/extension/src/openvic2/Date.hpp b/extension/src/openvic2/Date.hpp
new file mode 100644
index 0000000..841b118
--- /dev/null
+++ b/extension/src/openvic2/Date.hpp
@@ -0,0 +1,83 @@
+#pragma once
+
+#include <cstdint>
+#include <cstddef>
+#include <tuple>
+#include <string>
+#include <iostream>
+
+namespace OpenVic2 {
+	//A relative period between points in time, measured in days
+	struct Timespan {
+		int64_t days;
+
+		Timespan() : days(0) {}
+		Timespan(int64_t const& value) : days(value) {}
+
+		bool operator<  (Timespan const& other) const;
+		bool operator>  (Timespan const& other) const;
+		bool operator<= (Timespan const& other) const;
+		bool operator>= (Timespan const& other) const;
+		bool operator== (Timespan const& other) const;
+		bool operator!= (Timespan const& other) const;
+
+		Timespan operator+ (Timespan const& other) const;
+		Timespan operator- (Timespan const& other) const;
+		Timespan operator* (int64_t const& factor) const;
+		Timespan operator/ (int64_t const& factor) const;
+
+		Timespan& operator+= (Timespan const& other);
+		Timespan& operator-= (Timespan const& other);
+	};
+
+	static constexpr size_t MONTHS_IN_YEAR = 12;
+	static constexpr size_t DAYS_IN_YEAR = 365;
+	static constexpr size_t DAYS_IN_MONTH[MONTHS_IN_YEAR] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+
+	using date_t = uint8_t;
+	using month_t = uint8_t;
+	using year_t = uint16_t;
+	using YearMonthDayBundle = std::tuple<year_t, month_t, date_t>;
+
+	//Represents an in-game date
+	//Note: Current implementation does not account for leap-years, or dates before Year 0
+	struct Date {
+		private:
+		YearMonthDayBundle gregorianDate;
+		//Number of days since Jan 1st, Year 0
+		Timespan ts;
+
+		public:
+		//The Timespan is considered to be the number of days since Jan 1st, Year 0
+		Date(Timespan const& timespan);
+
+		//Year month day specification
+		Date(year_t year = 1836, month_t month = 1, date_t day = 1);
+
+		private:
+		void updateDate(Timespan const& timespan);
+
+		public:
+		size_t getDay() const;
+		size_t getMonth() const;
+		size_t getYear() const;
+
+		bool operator<  (Date const& other) const;
+		bool operator>  (Date const& other) const;
+		bool operator<= (Date const& other) const;
+		bool operator>= (Date const& other) const;
+		bool operator== (Date const& other) const;
+		bool operator!= (Date const& other) const;
+
+		Date operator+ (Timespan timespan) const;
+		Timespan operator- (Date const& other) const;
+
+		Date& operator+= (Timespan const& timespan);
+		Date& operator-= (Timespan const& timespan);
+		//Postfix increment
+		Date operator++ (int);
+
+		explicit operator std::string() const;
+		friend std::ostream& operator<< (std::ostream& out, Date const& date);
+	};
+}
-- 
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