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source: sandbox/src/libraries/util/Clock.cc @ 7324

Last change on this file since 7324 was 6038, checked in by rgrieder, 15 years ago

Synchronised sandbox with current code trunk. There should be a few bug fixes.

  • Property svn:eol-style set to native
File size: 1.9 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Reto Grieder
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "Clock.h"
30#include <OgreTimer.h>
31
32namespace orxonox
33{
34    Clock::Clock()
35        : timer_(new Ogre::Timer())
36        , storedTime_(0)
37        , tickTime_(0)
38        , tickDt_(0)
39        , tickDtFloat_(0.0f)
40        , lastTimersTime_(0)
41    {
42    }
43
44    Clock::~Clock()
45    {
46        delete timer_;
47    }
48   
49    void Clock::capture()
50    {
51        unsigned long timersTime = timer_->getMicroseconds();
52        tickTime_ = storedTime_ + timersTime;
53        tickDt_ = timersTime - lastTimersTime_;
54        tickDtFloat_ = static_cast<float>(tickDt_) / 1000000.0f;
55
56        if (timersTime > 0xFFFFFFFF/4)
57        {
58            // Ogre timer will overflow at 2^32 microseconds if unsigned long is 32 bit
59            storedTime_ += timersTime;
60            lastTimersTime_ = 0;
61            timer_->reset();
62        }
63        else
64        {
65            lastTimersTime_ = timersTime;
66        }
67    }
68
69    unsigned long long Clock::getRealMicroseconds() const
70    {
71        return this->timer_->getMicroseconds() + this->storedTime_;
72    }
73}
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