}
-/*
-// Portability wrap to get current time.
-void timestamp(fg_timestamp *timestamp) {
-#if defined( WIN32 )
- unsigned int t;
- t = timeGetTime();
- timestamp->seconds = 0;
- timestamp->millis = t;
-#elif defined( HAVE_GETTIMEOFDAY )
- struct timeval current;
- struct timezone tz;
- // fg_timestamp currtime;
- gettimeofday(¤t, &tz);
- timestamp->seconds = current.tv_sec;
- timestamp->millis = current.tv_usec / 1000;
-#elif defined( HAVE_GETLOCALTIME )
- SYSTEMTIME current;
- GetLocalTime(¤t);
- timestamp->seconds = current.wSecond;
- timestamp->millis = current.wMilliseconds;
-#elif defined( HAVE_FTIME )
- struct timeb current;
- ftime(¤t);
- timestamp->seconds = current.time;
- timestamp->millis = current.millitm;
-#else
-# error Port me
-#endif
-}
-
-
-// Return duration in millis from first to last
-long timediff(fg_timestamp *first, fg_timestamp *last) {
-#if defined( WIN32 )
- return (last->millis - first->millis);
-#else
- return ( 1000 * (last->seconds - first->seconds) +
- (last->millis - first->millis) );
-#endif
-}
-
-
-// Return new timestamp given a time stamp and an interval to add in
-void timesum(fg_timestamp *res, fg_timestamp *start, long millis) {
-#ifdef WIN32
- res->seconds = 0;
- res->millis = ( start->millis + millis );
-#else
- res->seconds = start->seconds +
- ( start->millis + millis ) / 1000;
- res->millis = ( start->millis + millis ) % 1000;
-#endif
-}
-*/
-
// given a date in months, mn, days, dy, years, yr, return the
// modified Julian date (number of days elapsed since 1900 jan 0.5),
// mjd. Adapted from Xephem.
// $Log$
+// Revision 1.25 1998/12/05 14:21:30 curt
+// Moved struct fg_timestamp to class fgTIMESTAMP and moved it's definition
+// to it's own file, timestamp.hxx.
+//
// Revision 1.24 1998/12/04 01:32:49 curt
// Converted "struct fg_timestamp" to "class fgTIMESTAMP" and added some
// convenience inline operators.
#include <GL/glut.h>
#include <time.h>
-#ifdef HAVE_SYS_TIMEB_H
-# include <sys/timeb.h> // for ftime() and struct timeb
-#endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h> // for gettimeofday()
-#endif
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h> // for get/setitimer, gettimeofday, struct timeval
-#endif
-
#include <Flight/flight.hxx>
extern fgTIME cur_time_params;
-class fgTIMESTAMP {
-
-private:
-
- long seconds;
- long millis;
-
-public:
-
- fgTIMESTAMP();
- fgTIMESTAMP( const long s, const long m );
- ~fgTIMESTAMP();
-
- // Set time to current time
- void stamp();
-
- fgTIMESTAMP& operator = ( const fgTIMESTAMP& t );
-
- friend fgTIMESTAMP operator + (const fgTIMESTAMP& t, const long& m);
- friend long operator - (const fgTIMESTAMP& a, const fgTIMESTAMP& b);
-
- inline long get_seconds() const { return seconds; }
- inline long get_millis() const { return millis; }
-};
-
-inline fgTIMESTAMP::fgTIMESTAMP() {
-}
-
-inline fgTIMESTAMP::fgTIMESTAMP( const long s, const long m ) {
- seconds = s;
- millis = m;
-}
-
-inline fgTIMESTAMP::~fgTIMESTAMP() {
-}
-
-inline fgTIMESTAMP& fgTIMESTAMP::operator = (const fgTIMESTAMP& t)
-{
- seconds = t.seconds;
- millis = t.millis;
- return *this;
-}
-
-inline void fgTIMESTAMP::stamp() {
-#if defined( WIN32 )
- unsigned int t;
- t = timeGetTime();
- seconds = 0;
- millis = t;
-#elif defined( HAVE_GETTIMEOFDAY )
- struct timeval current;
- struct timezone tz;
- // fg_timestamp currtime;
- gettimeofday(¤t, &tz);
- seconds = current.tv_sec;
- millis = current.tv_usec / 1000;
-#elif defined( HAVE_GETLOCALTIME )
- SYSTEMTIME current;
- GetLocalTime(¤t);
- seconds = current.wSecond;
- millis = current.wMilliseconds;
-#elif defined( HAVE_FTIME )
- struct timeb current;
- ftime(¤t);
- seconds = current.time;
- millis = current.millitm;
-#else
-# error Port me
-#endif
-}
-
-// difference between time stamps in milliseconds
-inline fgTIMESTAMP operator + (const fgTIMESTAMP& t, const long& m) {
-#ifdef WIN32
- return fgTIMESTAMP( 0, t.millis + m );
-#else
- return fgTIMESTAMP( t.seconds + ( t.millis + m ) / 1000,
- ( t.millis + m ) % 1000 );
-#endif
-}
-
-// difference between time stamps in milliseconds
-inline long operator - (const fgTIMESTAMP& a, const fgTIMESTAMP& b)
-{
-#if defined( WIN32 )
- return a.millis - b.millis;
-#else
- return 1000 * (a.seconds - b.seconds) + (a.millis - b.millis);
-#endif
-}
-
-// Portability wrap to get current time.
-// void timestamp(fg_timestamp *timestamp);
-
-
-// Return duration in millis from first to last
-// long timediff(fg_timestamp *first, fg_timestamp *last);
-
-
-// Return new timestamp given a time stamp and an interval to add in
-// void timesum(fg_timestamp *res, fg_timestamp *start, long millis);
-
-
// Update time variables such as gmt, julian date, and sidereal time
void fgTimeInit(fgTIME *t);
// $Log$
+// Revision 1.10 1998/12/05 14:21:31 curt
+// Moved struct fg_timestamp to class fgTIMESTAMP and moved it's definition
+// to it's own file, timestamp.hxx.
+//
// Revision 1.9 1998/12/04 01:32:50 curt
// Converted "struct fg_timestamp" to "class fgTIMESTAMP" and added some
// convenience inline operators.
-/**************************************************************************
- * fg_timer.c -- time handling routines
- *
- * Written by Curtis Olson, started June 1997.
- *
- * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
- *
- * 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.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
- * (Log is kept at end of this file)
- **************************************************************************/
+// fg_timer.cxx -- time handling routines
+//
+// Written by Curtis Olson, started June 1997.
+//
+// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
+//
+// 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.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+// (Log is kept at end of this file)
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
-#include <signal.h> /* for timer routines */
-#include <stdio.h> /* for printf() */
+#include <signal.h> // for timer routines
+#include <stdio.h> // for printf()
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h> /* for get/setitimer, gettimeofday, struct timeval */
+# include <sys/time.h> // for get/setitimer, gettimeofday, struct timeval
#endif
#include "fg_time.hxx"
#include "fg_timer.hxx"
+#include "timestamp.hxx"
unsigned long int fgSimTime;
static void (*callbackfunc)(int multi_loop);
-/* This routine catches the SIGALRM */
+// This routine catches the SIGALRM
void fgTimerCatch( int dummy ) {
int warning_avoider;
// get past a compiler warning
warning_avoider = dummy;
- /* ignore any SIGALRM's until we come back from our EOM iteration */
+ // ignore any SIGALRM's until we come back from our EOM iteration
signal(SIGALRM, SIG_IGN);
- /* printf("In fgTimerCatch()\n"); */
+ // printf("In fgTimerCatch()\n");
- /* -1 tells the routine to use default interval rather than something
- dynamically calculated based on frame rate */
+ // -1 tells the routine to use default interval rather than
+ // something dynamically calculated based on frame rate
callbackfunc(-1);
signal(SIGALRM, fgTimerCatch);
}
-/* this routine initializes the interval timer to generate a SIGALRM after
- * the specified interval (dt) */
+// this routine initializes the interval timer to generate a SIGALRM
+// after the specified interval (dt)
void fgTimerInit(float dt, void (*f)( int )) {
int terr;
int isec;
t.it_interval.tv_usec = usec;
t.it_value.tv_sec = isec;
t.it_value.tv_usec = usec;
- /* printf("fgTimerInit() called\n"); */
- fgTimerCatch(0); /* set up for SIGALRM signal catch */
+ // printf("fgTimerInit() called\n");
+ fgTimerCatch(0); // set up for SIGALRM signal catch
terr = setitimer( ITIMER_REAL, &t, &ot );
if (terr) {
printf("Error returned from setitimer");
exit(0);
}
}
-#endif /* HAVE_SETITIMER */
+#endif // HAVE_SETITIMER
-/* This function returns the number of milleseconds since the last
- time it was called. */
+// This function returns the number of milleseconds since the last
+// time it was called.
int fgGetTimeInterval( void ) {
int interval;
static int inited = 0;
}
-/* $Log$
-/* Revision 1.4 1998/12/04 01:32:51 curt
-/* Converted "struct fg_timestamp" to "class fgTIMESTAMP" and added some
-/* convenience inline operators.
-/*
- * Revision 1.3 1998/04/28 01:22:18 curt
- * Type-ified fgTIME and fgVIEW.
- *
- * Revision 1.2 1998/04/25 20:24:03 curt
- * Cleaned up initialization sequence to eliminate interdependencies
- * between sun position, lighting, and view position. This creates a
- * valid single pass initialization path.
- *
- * Revision 1.1 1998/04/24 00:52:29 curt
- * Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
- * Fog color fixes.
- * Separated out lighting calcs into their own file.
- *
- * Revision 1.12 1998/04/21 17:01:44 curt
- * Fixed a problems where a pointer to a function was being passed around. In
- * one place this functions arguments were defined as ( void ) while in another
- * place they were defined as ( int ). The correct answer was ( int ).
- *
- * Prepairing for C++ integration.
- *
- * Revision 1.11 1998/04/03 22:12:56 curt
- * Converting to Gnu autoconf system.
- * Centralized time handling differences.
- *
- * Revision 1.10 1998/01/31 00:43:45 curt
- * Added MetroWorks patches from Carmen Volpe.
- *
- * Revision 1.9 1998/01/19 19:27:21 curt
- * Merged in make system changes from Bob Kuehne <rpk@sgi.com>
- * This should simplify things tremendously.
- *
- * Revision 1.8 1998/01/19 18:40:39 curt
- * Tons of little changes to clean up the code and to remove fatal errors
- * when building with the c++ compiler.
- *
- * Revision 1.7 1997/12/30 13:06:58 curt
- * A couple lighting tweaks ...
- *
- * Revision 1.6 1997/07/12 02:13:04 curt
- * Add ftime() support for those that don't have gettimeofday()
- *
- * Revision 1.5 1997/06/26 19:08:38 curt
- * Restructuring make, adding automatic "make dep" support.
- *
- * Revision 1.4 1997/06/25 15:39:49 curt
- * Minor changes to compile with rsxnt/win32.
- *
- * Revision 1.3 1997/06/17 16:52:04 curt
- * Timer interval stuff now uses gettimeofday() instead of ftime()
- *
- * Revision 1.2 1997/06/17 03:41:10 curt
- * Nonsignal based interval timing is now working.
- * This would be a good time to look at cleaning up the code structure a bit.
- *
- * Revision 1.1 1997/06/16 19:24:20 curt
- * Initial revision.
- *
- */
+// $Log$
+// Revision 1.5 1998/12/05 14:21:32 curt
+// Moved struct fg_timestamp to class fgTIMESTAMP and moved it's definition
+// to it's own file, timestamp.hxx.
+//
+// Revision 1.4 1998/12/04 01:32:51 curt
+// Converted "struct fg_timestamp" to "class fgTIMESTAMP" and added some
+// convenience inline operators.
+//
+// Revision 1.3 1998/04/28 01:22:18 curt
+// Type-ified fgTIME and fgVIEW.
+//
+// Revision 1.2 1998/04/25 20:24:03 curt
+// Cleaned up initialization sequence to eliminate interdependencies
+// between sun position, lighting, and view position. This creates a
+// valid single pass initialization path.
+//
+// Revision 1.1 1998/04/24 00:52:29 curt
+// Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
+// Fog color fixes.
+// Separated out lighting calcs into their own file.
+//
+// Revision 1.12 1998/04/21 17:01:44 curt
+// Fixed a problems where a pointer to a function was being passed around. In
+// one place this functions arguments were defined as ( void ) while in another
+// place they were defined as ( int ). The correct answer was ( int ).
+//
+// Prepairing for C++ integration.
+//
+// Revision 1.11 1998/04/03 22:12:56 curt
+// Converting to Gnu autoconf system.
+// Centralized time handling differences.
+//
+// Revision 1.10 1998/01/31 00:43:45 curt
+// Added MetroWorks patches from Carmen Volpe.
+//
+// Revision 1.9 1998/01/19 19:27:21 curt
+// Merged in make system changes from Bob Kuehne <rpk@sgi.com>
+// This should simplify things tremendously.
+//
+// Revision 1.8 1998/01/19 18:40:39 curt
+// Tons of little changes to clean up the code and to remove fatal errors
+// when building with the c++ compiler.
+//
+// Revision 1.7 1997/12/30 13:06:58 curt
+// A couple lighting tweaks ...
+//
+// Revision 1.6 1997/07/12 02:13:04 curt
+// Add ftime() support for those that don't have gettimeofday()
+//
+// Revision 1.5 1997/06/26 19:08:38 curt
+// Restructuring make, adding automatic "make dep" support.
+//
+// Revision 1.4 1997/06/25 15:39:49 curt
+// Minor changes to compile with rsxnt/win32.
+//
+// Revision 1.3 1997/06/17 16:52:04 curt
+// Timer interval stuff now uses gettimeofday() instead of ftime()
+//
+// Revision 1.2 1997/06/17 03:41:10 curt
+// Nonsignal based interval timing is now working.
+// This would be a good time to look at cleaning up the code structure a bit.
+//
+// Revision 1.1 1997/06/16 19:24:20 curt
+// Initial revision.
+//
+
--- /dev/null
+//
+// timestamp.hxx -- class for managing a timestamp (seconds & milliseconds.)
+//
+// Written by Curtis Olson, started December 1998.
+//
+// Copyright (C) 1998 Curtis L. Olson - curt@flightgear.org
+//
+// 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.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+// (Log is kept at end of this file)
+
+
+#ifndef _TIMESTAMP_HXX
+#define _TIMESTAMP_HXX
+
+
+#ifndef __cplusplus
+# error This library requires C++
+#endif
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_WINDOWS_H
+# include <windows.h>
+#endif
+
+#include <time.h>
+
+#ifdef HAVE_SYS_TIMEB_H
+# include <sys/timeb.h> // for ftime() and struct timeb
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h> // for gettimeofday()
+#endif
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h> // for get/setitimer, gettimeofday, struct timeval
+#endif
+
+
+class fgTIMESTAMP {
+
+private:
+
+ long seconds;
+ long millis;
+
+public:
+
+ fgTIMESTAMP();
+ fgTIMESTAMP( const long s, const long m );
+ ~fgTIMESTAMP();
+
+ // Set time to current time
+ void stamp();
+
+ fgTIMESTAMP& operator = ( const fgTIMESTAMP& t );
+
+ friend fgTIMESTAMP operator + (const fgTIMESTAMP& t, const long& m);
+ friend long operator - (const fgTIMESTAMP& a, const fgTIMESTAMP& b);
+
+ inline long get_seconds() const { return seconds; }
+ inline long get_millis() const { return millis; }
+};
+
+inline fgTIMESTAMP::fgTIMESTAMP() {
+}
+
+inline fgTIMESTAMP::fgTIMESTAMP( const long s, const long m ) {
+ seconds = s;
+ millis = m;
+}
+
+inline fgTIMESTAMP::~fgTIMESTAMP() {
+}
+
+inline fgTIMESTAMP& fgTIMESTAMP::operator = (const fgTIMESTAMP& t)
+{
+ seconds = t.seconds;
+ millis = t.millis;
+ return *this;
+}
+
+inline void fgTIMESTAMP::stamp() {
+#if defined( WIN32 )
+ unsigned int t;
+ t = timeGetTime();
+ seconds = 0;
+ millis = t;
+#elif defined( HAVE_GETTIMEOFDAY )
+ struct timeval current;
+ struct timezone tz;
+ // fg_timestamp currtime;
+ gettimeofday(¤t, &tz);
+ seconds = current.tv_sec;
+ millis = current.tv_usec / 1000;
+#elif defined( HAVE_GETLOCALTIME )
+ SYSTEMTIME current;
+ GetLocalTime(¤t);
+ seconds = current.wSecond;
+ millis = current.wMilliseconds;
+#elif defined( HAVE_FTIME )
+ struct timeb current;
+ ftime(¤t);
+ seconds = current.time;
+ millis = current.millitm;
+#else
+# error Port me
+#endif
+}
+
+// difference between time stamps in milliseconds
+inline fgTIMESTAMP operator + (const fgTIMESTAMP& t, const long& m) {
+#ifdef WIN32
+ return fgTIMESTAMP( 0, t.millis + m );
+#else
+ return fgTIMESTAMP( t.seconds + ( t.millis + m ) / 1000,
+ ( t.millis + m ) % 1000 );
+#endif
+}
+
+// difference between time stamps in milliseconds
+inline long operator - (const fgTIMESTAMP& a, const fgTIMESTAMP& b)
+{
+#if defined( WIN32 )
+ return a.millis - b.millis;
+#else
+ return 1000 * (a.seconds - b.seconds) + (a.millis - b.millis);
+#endif
+}
+
+
+#endif // _TIMESTAMP_HXX
+
+
+// $Log$
+// Revision 1.1 1998/12/05 14:21:33 curt
+// Moved struct fg_timestamp to class fgTIMESTAMP and moved it's definition
+// to it's own file, timestamp.hxx.
+//