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/*
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* 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 __EVENTPROCESSOR_H
#define __EVENTPROCESSOR_H
#include "Define.h"
#include <map>
// Note. All times are in milliseconds here.
class BasicEvent
{
public:
BasicEvent()
{
to_Abort = false;
m_addTime = 0;
m_execTime = 0;
}
virtual ~BasicEvent() { } // override destructor to perform some actions on event removal
// this method executes when the event is triggered
// return false if event does not want to be deleted
// e_time is execution time, p_time is update interval
virtual bool Execute(uint64 /*e_time*/, uint32 /*p_time*/) { return true; }
virtual bool IsDeletable() const { return true; } // this event can be safely deleted
virtual void Abort(uint64 /*e_time*/) { } // this method executes when the event is aborted
bool to_Abort; // set by externals when the event is aborted, aborted events don't execute
// and get Abort call when deleted
// these can be used for time offset control
uint64 m_addTime; // time when the event was added to queue, filled by event handler
uint64 m_execTime; // planned time of next execution, filled by event handler
};
typedef std::multimap<uint64, BasicEvent*> EventList;
class EventProcessor
{
public:
EventProcessor();
~EventProcessor();
void Update(uint32 p_time);
void KillAllEvents(bool force);
void AddEvent(BasicEvent* Event, uint64 e_time, bool set_addtime = true);
uint64 CalculateTime(uint64 t_offset) const;
protected:
uint64 m_time;
EventList m_events;
bool m_aborting;
};
#endif
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