Core/Calendar: Implement different timezone support for ingame calendar

Closes #8390
Closes #29427

1 files changed, 90 insertions, 0 deletions

diff --git a/src/server/game/Time/WowTime.h b/src/server/game/Time/WowTime.h
new file mode 100644
index 00000000000..a273d210d6a
--- /dev/null
+++ b/src/server/game/Time/WowTime.h
@@ -0,0 +1,90 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * 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 2 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 <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TRINITYCORE_WOWTIME_H
+#define TRINITYCORE_WOWTIME_H
+
+#include "Define.h"
+#include "Duration.h"
+#include "advstd.h"
+#include <compare>
+#include <ctime>
+
+class ByteBuffer;
+
+class WowTime
+{
+public:
+    uint32 GetPackedTime() const;
+    void SetPackedTime(uint32 packedTime);
+
+    std::time_t GetUnixTimeFromUtcTime() const;
+    void SetUtcTimeFromUnixTime(std::time_t unixTime);
+
+    int32 GetYear() const { return _year; }
+    void SetYear(int32 year);
+
+    int8 GetMonth() const { return _month; }
+    void SetMonth(int8 month);
+
+    int8 GetMonthDay() const { return _monthDay; }
+    void SetMonthDay(int8 monthDay);
+
+    int8 GetWeekDay() const { return _weekDay; }
+    void SetWeekDay(int8 weekDay);
+
+    int8 GetHour() const { return _hour; }
+    void SetHour(int8 hour);
+
+    int8 GetMinute() const { return _minute; }
+    void SetMinute(int8 minute);
+
+    int8 GetFlags() const { return _flags; }
+    void SetFlags(int8 flags);
+
+    int8 GetHolidayOffset() const { return _holidayOffset; }
+    void SetHolidayOffset(int8 holidayOffset) { _holidayOffset = holidayOffset; }
+
+    friend TC_GAME_API std::strong_ordering operator<=>(WowTime const& left, WowTime const& right);
+    friend TC_GAME_API bool operator==(WowTime const& left, WowTime const& right)
+    {
+        return advstd::is_eq(left <=> right);
+    }
+
+    bool IsInRange(WowTime const& from, WowTime const& to) const;
+
+    WowTime& operator+=(Seconds seconds);
+    WowTime operator+(Seconds seconds) const;
+
+    WowTime& operator-=(Seconds seconds);
+    WowTime operator-(Seconds seconds) const;
+
+    friend TC_GAME_API ByteBuffer& operator<<(ByteBuffer& data, WowTime const& wowTime);
+    friend TC_GAME_API ByteBuffer& operator>>(ByteBuffer& data, WowTime& wowTime);
+
+private:
+    int32 _year = -1;
+    int8 _month = -1;
+    int8 _monthDay = -1;
+    int8 _weekDay = -1;
+    int8 _hour = -1;
+    int8 _minute = -1;
+    int8 _flags = -1;
+    int8 _holidayOffset = 0;
+};
+
+#endif // TRINITYCORE_WOWTIME_H