/* Copyright (C) 1997, 1998, 1999, 2000 by Alex Pfaffe (Digital Dawn Graphics Inc) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ddgClock_Class_ #define _ddgClock_Class_ #include "util/ddgstr.h" #define ddgFPSBUFSIZE 16 class WEXP ddgClock { float _time; float _elapsed; float _sysfactor; float _simfactor; float _simstart; unsigned long _prev; unsigned int _frame; unsigned int _totalFrame; unsigned int _totalTime; unsigned int _minTime; unsigned int _maxTime; float _fpsbuf[ddgFPSBUFSIZE]; int _fpsidx; float _fpstotal; public: ddgClock( float init = 0.0); float update(void); void set(int t) { _time = t / _sysfactor; } float getSysTime(void) { return _time * _sysfactor; } float getElapsed(void) { return _elapsed * _sysfactor; } float getFrameRate(void); float getAvgFrameRate(void); // Return the simulated time where one system second is _simfactor seconds. // The return values is the fractional number of days elapsed. // If h is given, h returns the number of hours and returned days are rounded. // If m is given, m returns the number of minutes and h is rounded. // If s is given, s returns the number of seconds and m is rounded. float getSimTime(float *h = 0, float *m = 0, float *s = 0, float *r = 0); void start( float t) { _simstart = t; } void simfactor( float f ) { _simfactor = f; } float getDayLight(void); void perf( unsigned int tf ) { _totalFrame = tf-1; } bool perfDump( ddgStr *filename = NULL, char *s = NULL ); static void timeStamp( ddgStr *timestamp ); }; #endif

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