#ifdef HAVE_CONFIG_H #include <config.h> #endif added to these files. Kent -- mein@cs.umn.edu
		
			
				
	
	
		
			120 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**
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 * $Id$
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 *
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 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version. The Blender
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 * Foundation also sells licenses for use in proprietary software under
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 * the Blender License.  See http://www.blender.org/BL/ for information
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 * about this.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software Foundation,
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 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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 *
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 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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 * All rights reserved.
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 *
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 * The Original Code is: all of this file.
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 *
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 * Contributor(s): none yet.
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 *
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 * ***** END GPL/BL DUAL LICENSE BLOCK *****
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 */
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#include "KX_TimeLogger.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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KX_TimeLogger::KX_TimeLogger(unsigned int maxNumMeasurements)
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: m_maxNumMeasurements(maxNumMeasurements), m_logging(false), m_logStart(0)
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{
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}
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KX_TimeLogger::~KX_TimeLogger(void)
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{
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}
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void KX_TimeLogger::SetMaxNumMeasurements(unsigned int maxNumMeasurements)
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{
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	if ((m_maxNumMeasurements != maxNumMeasurements) && maxNumMeasurements) {
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		// Actual removing is done in NextMeasurement()
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		m_maxNumMeasurements = maxNumMeasurements;
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	}
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}
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unsigned int KX_TimeLogger::GetMaxNumMeasurements(void) const
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{
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	return m_maxNumMeasurements;
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}
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void KX_TimeLogger::StartLog(double now)
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{
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	if (!m_logging) {
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		m_logging = true;
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		m_logStart = now;
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	}
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}
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void KX_TimeLogger::EndLog(double now)
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{
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	if (m_logging) {
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		m_logging = false;
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		double time = now - m_logStart;
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		if (m_measurements.size() > 0) {
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			m_measurements[0] += time;
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		}
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	}
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}
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void KX_TimeLogger::NextMeasurement(double now)
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{
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	// End logging to current measurement
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	EndLog(now);
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	// Add a new measurement at the front
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	double m = 0.;
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	m_measurements.push_front(m);
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	// Remove measurement if we grow beyond the maximum size
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	if ((m_measurements.size()) > m_maxNumMeasurements) {
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		while (m_measurements.size() > m_maxNumMeasurements) {
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			m_measurements.pop_back();
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		}
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	}
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}
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double KX_TimeLogger::GetAverage(void) const
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{
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	double avg = 0.;
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	unsigned int numMeasurements = m_measurements.size();
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	if (numMeasurements > 1) {
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		for (int i = 1; i < numMeasurements; i++) {
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			avg += m_measurements[i];
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		}
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		avg /= (float)numMeasurements - 1;
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	}
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	return avg;
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}
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