From 37e364b2c6cc7487a1c888d256a73e5337bb7189 Mon Sep 17 00:00:00 2001
From: Ash Wolf <ninji@wuffs.org>
Date: Wed, 14 Jun 2023 00:50:34 +0100
Subject: initial commit

---
 src/T2DLL/T2DateTime.h | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 src/T2DLL/T2DateTime.h

(limited to 'src/T2DLL/T2DateTime.h')

diff --git a/src/T2DLL/T2DateTime.h b/src/T2DLL/T2DateTime.h
new file mode 100644
index 0000000..288ef9b
--- /dev/null
+++ b/src/T2DLL/T2DateTime.h
@@ -0,0 +1,59 @@
+#pragma once
+#include "common.h"
+
+class T2DateTime {
+public:
+	T2DateTime();
+	T2DateTime(int year, int month, int hours, int minutes, int seconds);
+	T2DateTime(T2Archive& archive);
+	virtual ~T2DateTime();
+	int GetTimeZone();
+	static int IsEqualDate(T2DateTime* a, T2DateTime* b);
+	static int IsEqualDateTime(T2DateTime* a, T2DateTime* b);
+	void AddMinutes(unsigned int m);
+	int IsIncDateTime();
+	void IncDate();
+	unsigned int CalcLapseDays(unsigned int d) const;
+	unsigned int CalcLapseYears(unsigned int d) const;
+	int WithinHour(int a, int b) const;
+	int WithinMinutes(int a, int b) const;
+protected:
+	int AdjustMinutes(int m) const;
+public:
+	virtual void Write(T2Archive& archive);
+	int IsHoliday(T2TowerDoc* doc);
+	void Validate();
+
+	//T2DateTime(const T2DateTime&) {}
+	unsigned int GetYear() const { return mYear; }
+	unsigned int GetQuarter() const { return mMonth / 3 + 1; }
+	unsigned int GetSeason() const { return mMonth / 3 + 1; }
+	unsigned int GetDay() const { return mMonth % 3 + 1; }
+	unsigned int GetMonth() const { return mMonth + 1; }
+	unsigned int GetHour() const { return (mRawMinutes % 720) / 60; }
+	unsigned int Get24Hour() const { return mRawMinutes / 60; }
+	unsigned int GetMinutes() const { return mRawMinutes % 60; }
+	unsigned int GetRawMinutes() const { return mRawMinutes; }
+	int CalcTotalDays() const { return (mYear - 1) * 12 + mMonth; }
+	int IsWeekday(T2TowerDoc* doc) { return !IsHoliday(doc); }
+	int IsDay() const {
+		return (mRawMinutes >= 360 && mRawMinutes <= 1079);
+	}
+	int IsMidNight() const {
+		return mRawMinutes < 360;
+	}
+	int IsOclock24(unsigned int hour) const {
+		return (Get24Hour() == hour) && (GetMinutes() == 0) && (mSeconds == 0);
+	}
+protected:
+	unsigned int CalcTotalCount() const {
+		return mSeconds + ((mYear * 12 + mMonth) * 1440 + mRawMinutes) * 4;
+	}
+//public:
+	//T2DateTime& operator=(const T2DateTime&) {}
+
+	unsigned int mYear;
+	unsigned int mMonth;
+	unsigned int mRawMinutes;
+	unsigned int mSeconds;
+};
-- 
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