117 lines
2.2 KiB
C++
117 lines
2.2 KiB
C++
#ifndef WIN32
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#include <sys/time.h>
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#else
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#endif /** !WIN32 */
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#include <stdlib.h>
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#ifdef LINUX
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#include <GL/gl.h>
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#endif
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#ifdef WIN32
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#include "glew.h"
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#endif
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#ifdef __APPLE__
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#include <OpenGL/gl.h>
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#endif
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#include "TimeKeeper.hpp"
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#include "RandomNumberGenerators.hpp"
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TimeKeeper::TimeKeeper(double presetDuration, double smoothDuration, double easterEgg)
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{
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_smoothDuration = smoothDuration;
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_presetDuration = presetDuration;
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_easterEgg = easterEgg;
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#ifndef WIN32
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gettimeofday ( &this->startTime, NULL );
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#else
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startTime = GetTickCount();
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#endif /** !WIN32 */
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UpdateTimers();
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}
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void TimeKeeper::UpdateTimers()
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{
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#ifndef WIN32
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_currentTime = getTicks ( &startTime ) * 0.001;
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#else
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_currentTime = getTicks ( startTime ) * 0.001;
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#endif /** !WIN32 */
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_presetFrameA++;
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_presetFrameB++;
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}
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void TimeKeeper::StartPreset()
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{
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_isSmoothing = false;
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_presetTimeA = _currentTime;
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_presetFrameA = 1;
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_presetDurationA = sampledPresetDuration();
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}
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void TimeKeeper::StartSmoothing()
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{
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_isSmoothing = true;
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_presetTimeB = _currentTime;
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_presetFrameB = 1;
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_presetDurationB = sampledPresetDuration();
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}
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void TimeKeeper::EndSmoothing()
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{
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_isSmoothing = false;
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_presetTimeA = _presetTimeB;
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_presetFrameA = _presetFrameB;
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_presetDurationA = _presetDurationB;
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}
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bool TimeKeeper::CanHardCut()
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{
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return ((_currentTime - _presetTimeA) > HARD_CUT_DELAY);
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}
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double TimeKeeper::SmoothRatio()
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{
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return (_currentTime - _presetTimeB) / _smoothDuration;
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}
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bool TimeKeeper::IsSmoothing()
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{
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return _isSmoothing;
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}
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double TimeKeeper::GetRunningTime()
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{
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return _currentTime;
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}
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double TimeKeeper::PresetProgressA()
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{
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if (_isSmoothing) return 1.0;
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else return (_currentTime - _presetTimeA) / _presetDurationA;
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}
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double TimeKeeper::PresetProgressB()
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{
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return (_currentTime - _presetTimeB) / _presetDurationB;
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}
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int TimeKeeper::PresetFrameB()
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{
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return _presetFrameB;
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}
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int TimeKeeper::PresetFrameA()
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{
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return _presetFrameA;
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}
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double TimeKeeper::sampledPresetDuration() {
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#ifdef WIN32
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return _presetDuration;
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#else
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return fmax(1, fmin(60, RandomNumberGenerators::gaussian
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(_presetDuration, _easterEgg)));
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#endif
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}
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