server/src/framework/Utilities/EventProcessor.h

68 lines
2.4 KiB
C++

/*
* Copyright (C) 2005-2008 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __EVENTPROCESSOR_H
#define __EVENTPROCESSOR_H
#include "Platform/Define.h"
#include<map>
// Note. All times are in milliseconds here.
class BasicEvent
{
public:
BasicEvent() { to_Abort = false; }
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 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();
void AddEvent(BasicEvent* Event, uint64 e_time, bool set_addtime = true);
uint64 CalculateTime(uint64 t_offset);
protected:
uint64 m_time;
EventList m_events;
bool m_aborting;
};
#endif