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/*
* The Mana Server
* Copyright (C) 2004-2010 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server 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
* any later version.
*
* The Mana Server 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 The Mana Server. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TIMER_H
#define TIMER_H
/* I need a 64-bit unsigned integer */
#ifdef _MSC_VER
typedef __uint64 uint64_t // when using MSVC use its internal type
#else
#include <stdint.h> // on other compilers use the C99 official header
#endif
namespace utils
{
/**
* This class is for timing purpose as a replacement for SDL_TIMER
*/
class Timer
{
public:
/**
* Constructor.
*
* @param ms the interval in milliseconds
*/
Timer(unsigned ms);
/**
* Returns the number of elapsed ticks since last call.
*/
int poll();
/**
* Sleeps till the next tick occurs.
*/
void sleep();
/**
* Activates the timer.
*/
void start();
/**
* Deactivates the timer.
*/
void stop();
/**
* Changes the interval between two pulses.
*/
void changeInterval(unsigned newinterval);
private:
/**
* Interval between two pulses.
*/
unsigned interval;
/**
* The time the last pulse occured.
*/
uint64_t lastpulse;
/**
* Activity status of the timer.
*/
bool active;
};
} // ::utils
#endif
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