79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
// * This file is part of the COLOBOT source code
|
|
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
|
|
// *
|
|
// * 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 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 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/.
|
|
|
|
// event.cpp
|
|
|
|
#include "common/event.h"
|
|
#include "common/iman.h"
|
|
|
|
static EventType g_uniqueEventType = EVENT_USER;
|
|
|
|
|
|
EventType GetUniqueEventType()
|
|
{
|
|
int i = static_cast<int>(g_uniqueEventType+1);
|
|
g_uniqueEventType = static_cast<EventType>(i);
|
|
return g_uniqueEventType;
|
|
}
|
|
|
|
|
|
|
|
CEventQueue::CEventQueue(CInstanceManager* iMan)
|
|
{
|
|
m_iMan = iMan;
|
|
m_iMan->AddInstance(CLASS_EVENT, this);
|
|
|
|
Flush();
|
|
}
|
|
|
|
CEventQueue::~CEventQueue()
|
|
{
|
|
}
|
|
|
|
void CEventQueue::Flush()
|
|
{
|
|
m_head = 0;
|
|
m_tail = 0;
|
|
m_total = 0;
|
|
}
|
|
|
|
/** If the maximum size of queue has been reached, returns \c false.
|
|
Else, adds the event to the queue and returns \c true. */
|
|
bool CEventQueue::AddEvent(const Event &event)
|
|
{
|
|
if ( m_total >= MAX_EVENT_QUEUE ) return false;
|
|
|
|
m_fifo[m_head++] = event;
|
|
if ( m_head >= MAX_EVENT_QUEUE ) m_head = 0;
|
|
m_total ++;
|
|
|
|
return true;
|
|
}
|
|
|
|
/** If the queue is empty, returns \c false.
|
|
Else, gets the event from the front, puts it into \a event and returns \c true. */
|
|
bool CEventQueue::GetEvent(Event &event)
|
|
{
|
|
if ( m_head == m_tail ) return false;
|
|
|
|
event = m_fifo[m_tail++];
|
|
if ( m_tail >= MAX_EVENT_QUEUE ) m_tail = 0;
|
|
m_total --;
|
|
|
|
return true;
|
|
}
|
|
|