tibia-client/src/framework/stdext/time.h

/*
 * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef STDEXT_TIME_H
#define STDEXT_TIME_H

#include "types.h"
#include <chrono>
#include <unistd.h>

namespace stdext {

const static auto startup_time = std::chrono::high_resolution_clock::now();
inline ticks_t millis() { return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - startup_time).count(); }
inline ticks_t micros() { return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - startup_time).count(); }
inline void millisleep(uint32 ms) { usleep(ms * 1000); };
inline void microsleep(uint32 us) { usleep(us); };

struct timer {
public:
    timer() { restart(); }
    float elapsed_seconds() { return (stdext::micros() - m_start)/1000000.0; }
    ticks_t elapsed_millis() { return (stdext::micros() - m_start)/1000; }
    ticks_t elapsed_micros() { return stdext::micros() - m_start; }
    void restart() { m_start = stdext::micros(); }
private:
    ticks_t m_start;
};

}

#endif