Core/Misc: Handle timezones for hour-specific events specifieds in worldserver.conf (#23540)

* Core/Misc: Handle timezones for hour-specific events specifieds in worldserver.conf

* Handle Respawn.RestartQuietTime too

* Handle XP.Boost.Daymask too

* Core/Misc: Code cleanup

* Core/Misc: Code cleanup

* Update Util.cpp

* Update boosted_xp.cpp

(cherry picked from commit aeddd417c460c43d885cb89ceaa6e051c44b1d27)

1 files changed, 22 insertions, 0 deletions

diff --git a/src/common/Utilities/Util.cpp b/src/common/Utilities/Util.cpp
index 5123636f6a0..4b8c206c9ff 100644
--- a/src/common/Utilities/Util.cpp
+++ b/src/common/Utilities/Util.cpp
@@ -77,6 +77,13 @@ struct tm* localtime_r(time_t const* time, struct tm *result)
 }
 #endif
 
+tm TimeBreakdown(time_t time)
+{
+    tm timeLocal;
+    localtime_r(&time, &timeLocal);
+    return timeLocal;
+}
+
 time_t LocalTimeToUTCTime(time_t time)
 {
 #if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__))
@@ -86,6 +93,21 @@ time_t LocalTimeToUTCTime(time_t time)
 #endif
 }
 
+time_t GetLocalHourTimestamp(time_t time, uint8 hour, bool onlyAfterTime)
+{
+    tm timeLocal = TimeBreakdown(time);
+    timeLocal.tm_hour = 0;
+    timeLocal.tm_min = 0;
+    timeLocal.tm_sec = 0;
+    time_t midnightLocal = mktime(&timeLocal);
+    time_t hourLocal = midnightLocal + hour * HOUR;
+
+    if (onlyAfterTime && hourLocal < time)
+        hourLocal += DAY;
+
+    return hourLocal;
+}
+
 std::string secsToTimeString(uint64 timeInSecs, bool shortText, bool hoursOnly)
 {
     uint64 secs    = timeInSecs % MINUTE;