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66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
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* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*/
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#ifndef __EVENTPROCESSOR_H
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#define __EVENTPROCESSOR_H
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#include "Define.h"
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#include <map>
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// Note. All times are in milliseconds here.
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class BasicEvent
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{
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public:
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BasicEvent()
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{
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to_Abort = false;
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m_addTime = 0;
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m_execTime = 0;
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}
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virtual ~BasicEvent() = default; // override destructor to perform some actions on event removal
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// this method executes when the event is triggered
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// return false if event does not want to be deleted
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// e_time is execution time, p_time is update interval
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virtual bool Execute(uint64 /*e_time*/, uint32 /*p_time*/) { return true; }
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[[nodiscard]] virtual bool IsDeletable() const { return true; } // this event can be safely deleted
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virtual void Abort(uint64 /*e_time*/) { } // this method executes when the event is aborted
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bool to_Abort; // set by externals when the event is aborted, aborted events don't execute
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// and get Abort call when deleted
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// these can be used for time offset control
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uint64 m_addTime; // time when the event was added to queue, filled by event handler
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uint64 m_execTime; // planned time of next execution, filled by event handler
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};
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typedef std::multimap<uint64, BasicEvent*> EventList;
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class EventProcessor
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{
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public:
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EventProcessor();
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~EventProcessor();
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void Update(uint32 p_time);
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void KillAllEvents(bool force);
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void AddEvent(BasicEvent* Event, uint64 e_time, bool set_addtime = true);
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[[nodiscard]] uint64 CalculateTime(uint64 t_offset) const;
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// Xinef: calculates next queue tick time
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[[nodiscard]] uint64 CalculateQueueTime(uint64 delay) const;
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protected:
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uint64 m_time;
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EventList m_events;
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bool m_aborting;
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};
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#endif
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