feat(Core/Time): Implement saparated manager for game time (#8630)

src/server/game/Time/UpdateTime.h

@@ -0,0 +1,75 @@
+/*
+ * This file is part of the AzerothCore 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 Affero General Public License as published by the
+ * Free Software Foundation; either version 3 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 Affero 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 __UPDATETIME_H
+#define __UPDATETIME_H
+
+#include "Define.h"
+#include "Duration.h"
+#include <array>
+#include <string>
+
+constexpr auto AVG_DIFF_COUNT = 500;
+
+class AC_GAME_API UpdateTime
+{
+using DiffTableArray = std::array<uint32, AVG_DIFF_COUNT>;
+
+public:
+    uint32 GetAverageUpdateTime() const;
+    uint32 GetTimeWeightedAverageUpdateTime() const;
+    uint32 GetMaxUpdateTime() const;
+    uint32 GetMaxUpdateTimeOfCurrentTable() const;
+    uint32 GetLastUpdateTime() const;
+
+    void UpdateWithDiff(uint32 diff);
+
+    void RecordUpdateTimeReset();
+
+protected:
+    UpdateTime();
+
+private:
+    DiffTableArray _updateTimeDataTable;
+    uint32 _averageUpdateTime;
+    uint32 _totalUpdateTime;
+    uint32 _updateTimeTableIndex;
+    uint32 _maxUpdateTime;
+    uint32 _maxUpdateTimeOfLastTable;
+    uint32 _maxUpdateTimeOfCurrentTable;
+
+    Milliseconds _recordedTime;
+};
+
+class AC_GAME_API WorldUpdateTime : public UpdateTime
+{
+public:
+    WorldUpdateTime() : UpdateTime(), _recordUpdateTimeInverval(0), _recordUpdateTimeMin(0), _lastRecordTime(0) { }
+    void LoadFromConfig();
+    void SetRecordUpdateTimeInterval(Milliseconds t);
+    void RecordUpdateTime(Milliseconds gameTimeMs, uint32 diff, uint32 sessionCount);
+    void RecordUpdateTimeDuration(std::string const& text);
+
+private:
+    Milliseconds _recordUpdateTimeInverval;
+    Milliseconds _recordUpdateTimeMin;
+    Milliseconds _lastRecordTime;
+};
+
+AC_GAME_API extern WorldUpdateTime sWorldUpdateTime;
+
+#endif