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Diffstat (limited to 'source/gameengine/Ketsji/KX_TimeLogger.cpp')
-rw-r--r-- | source/gameengine/Ketsji/KX_TimeLogger.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/source/gameengine/Ketsji/KX_TimeLogger.cpp b/source/gameengine/Ketsji/KX_TimeLogger.cpp new file mode 100644 index 00000000000..e2114e8d8d7 --- /dev/null +++ b/source/gameengine/Ketsji/KX_TimeLogger.cpp @@ -0,0 +1,117 @@ +/** + * $Id$ + * + * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** + * + * This program 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 (at your option) any later version. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * This program 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 this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + */ + +#include "KX_TimeLogger.h" + + + +KX_TimeLogger::KX_TimeLogger(unsigned int maxNumMeasurements) +: m_maxNumMeasurements(maxNumMeasurements), m_logging(false), m_logStart(0) +{ +} + + +KX_TimeLogger::~KX_TimeLogger(void) +{ +} + + +void KX_TimeLogger::SetMaxNumMeasurements(unsigned int maxNumMeasurements) +{ + if ((m_maxNumMeasurements != maxNumMeasurements) && maxNumMeasurements) { + // Actual removing is done in NextMeasurement() + m_maxNumMeasurements = maxNumMeasurements; + } +} + + +unsigned int KX_TimeLogger::GetMaxNumMeasurements(void) const +{ + return m_maxNumMeasurements; +} + + +void KX_TimeLogger::StartLog(double now) +{ + if (!m_logging) { + m_logging = true; + m_logStart = now; + } +} + + +void KX_TimeLogger::EndLog(double now) +{ + if (m_logging) { + m_logging = false; + double time = now - m_logStart; + if (m_measurements.size() > 0) { + m_measurements[0] += time; + } + } +} + + +void KX_TimeLogger::NextMeasurement(double now) +{ + // End logging to current measurement + EndLog(now); + + // Add a new measurement at the front + double m = 0.; + m_measurements.push_front(m); + + // Remove measurement if we grow beyond the maximum size + if ((m_measurements.size()) > m_maxNumMeasurements) { + while (m_measurements.size() > m_maxNumMeasurements) { + m_measurements.pop_back(); + } + } +} + + + +double KX_TimeLogger::GetAverage(void) const +{ + double avg = 0.; + + unsigned int numMeasurements = m_measurements.size(); + if (numMeasurements > 1) { + for (int i = 1; i < numMeasurements; i++) { + avg += m_measurements[i]; + } + avg /= (float)numMeasurements - 1; + } + + return avg; +} + |