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/*
* Copyright (C) 2008-2019 TrinityCore <https://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/>.
*/
#include "EventProcessor.h"
#include "Errors.h"
void BasicEvent::ScheduleAbort()
{
ASSERT(IsRunning()
&& "Tried to scheduled the abortion of an event twice!");
m_abortState = AbortState::STATE_ABORT_SCHEDULED;
}
void BasicEvent::SetAborted()
{
ASSERT(!IsAborted()
&& "Tried to abort an already aborted event!");
m_abortState = AbortState::STATE_ABORTED;
}
EventProcessor::~EventProcessor()
{
KillAllEvents(true);
}
void EventProcessor::Update(uint32 p_time)
{
// update time
m_time += p_time;
// main event loop
std::multimap<uint64, BasicEvent*>::iterator i;
while (((i = m_events.begin()) != m_events.end()) && i->first <= m_time)
{
// get and remove event from queue
BasicEvent* event = i->second;
m_events.erase(i);
if (event->IsRunning())
{
if (event->Execute(m_time, p_time))
{
// completely destroy event if it is not re-added
delete event;
}
continue;
}
if (event->IsAbortScheduled())
{
event->Abort(m_time);
// Mark the event as aborted
event->SetAborted();
}
if (event->IsDeletable())
{
delete event;
continue;
}
// Reschedule non deletable events to be checked at
// the next update tick
AddEvent(event, CalculateTime(1), false);
}
}
void EventProcessor::KillAllEvents(bool force)
{
for (auto itr = m_events.begin(); itr != m_events.end();)
{
// Abort events which weren't aborted already
if (!itr->second->IsAborted())
{
itr->second->SetAborted();
itr->second->Abort(m_time);
}
// Skip non-deletable events when we are
// not forcing the event cancellation.
if (!force && !itr->second->IsDeletable())
{
++itr;
continue;
}
delete itr->second;
if (force)
++itr; // Clear the whole container when forcing
else
itr = m_events.erase(itr);
}
if (force)
m_events.clear();
}
void EventProcessor::AddEvent(BasicEvent* event, uint64 e_time, bool set_addtime)
{
if (set_addtime)
event->m_addTime = m_time;
event->m_execTime = e_time;
m_events.insert(std::pair<uint64, BasicEvent*>(e_time, event));
}
void EventProcessor::ModifyEventTime(BasicEvent* event, uint64 newTime)
{
for (auto itr = m_events.begin(); itr != m_events.end(); ++itr)
{
if (itr->second != event)
continue;
event->m_execTime = newTime;
m_events.erase(itr);
m_events.insert(std::pair<uint64, BasicEvent*>(newTime, event));
break;
}
}
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