FIFE
2008.0
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00001 /*************************************************************************** 00002 * Copyright (C) 2005-2008 by the FIFE team * 00003 * http://www.fifengine.de * 00004 * This file is part of FIFE. * 00005 * * 00006 * FIFE is free software; you can redistribute it and/or * 00007 * modify it under the terms of the GNU Lesser General Public * 00008 * License as published by the Free Software Foundation; either * 00009 * version 2.1 of the License, or (at your option) any later version. * 00010 * * 00011 * This library is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00014 * Lesser General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU Lesser General Public * 00017 * License along with this library; if not, write to the * 00018 * Free Software Foundation, Inc., * 00019 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * 00020 ***************************************************************************/ 00021 00022 // Standard C++ library includes 00023 00024 // 3rd party library includes 00025 00026 // FIFE includes 00027 // These includes are split up in two parts, separated by one empty line 00028 // First block: files included from the FIFE root src directory 00029 // Second block: files included from the same folder 00030 #include "timemanager.h" 00031 #include "timer.h" 00032 00033 namespace FIFE { 00034 00035 // Remember TimeEvent(-1) means that even an registered event won't be called 00036 Timer::Timer() 00037 : TimeEvent(-1), 00038 m_active(false) { 00039 } 00040 00041 Timer::~Timer() { 00042 stop(); 00043 } 00044 00045 void Timer::start() { 00046 if(m_active) 00047 return; 00048 setLastUpdateTime( TimeManager::instance()->getTime() ); 00049 TimeManager::instance()->registerEvent(this); 00050 m_active = true; 00051 } 00052 00053 void Timer::stop() { 00054 if(!m_active) 00055 return; 00056 TimeManager::instance()->unregisterEvent(this); 00057 m_active = false; 00058 } 00059 00060 void Timer::setInterval(unsigned long msec) { 00061 setPeriod(msec); 00062 stop(); 00063 } 00064 void Timer::setCallback(const type_callback& cb) { 00065 m_callback = cb; 00066 } 00067 00068 void Timer::updateEvent(unsigned long) { 00069 if(!m_active) 00070 return; 00071 00072 if( m_callback ) { 00073 m_callback(); 00074 } 00075 } 00076 }