1999-04-06 16:58:22 +00:00
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// fg_timer.hxx -- time handling routines
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//
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// Written by Curtis Olson, started June 1997.
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//
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// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
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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 as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// 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
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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// (Log is kept at end of this file)
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1997-06-16 19:24:19 +00:00
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1998-04-24 00:52:24 +00:00
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#ifndef _FG_TIMER_HXX
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#define _FG_TIMER_HXX
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1997-06-16 19:24:19 +00:00
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1998-04-24 00:52:24 +00:00
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#ifndef __cplusplus
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# error This library requires C++
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1998-04-21 17:01:43 +00:00
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#endif
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1997-06-16 19:24:19 +00:00
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extern unsigned long int fgSimTime;
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1999-04-06 16:58:22 +00:00
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// this routine initializes the interval timer to generate a SIGALRM
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// after the specified interval (dt) the function f() will be called
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// at each signal
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1998-04-21 17:01:43 +00:00
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void fgTimerInit( float dt, void (*f)( int ) );
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1997-06-16 19:24:19 +00:00
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1999-04-06 16:58:22 +00:00
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// This function returns the number of milleseconds since the last
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// time it was called.
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1998-01-19 18:40:15 +00:00
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int fgGetTimeInterval( void );
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1997-06-16 19:24:19 +00:00
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1999-04-06 16:58:22 +00:00
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#endif // _FG_TIMER_HXX
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1997-06-16 19:24:19 +00:00
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1999-04-06 16:58:22 +00:00
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// $Log$
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// Revision 1.2 1999/04/06 16:58:35 curt
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// Clean ups and reorganizations:
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// - Additional Thanks entry
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// - more info on getting gfc library
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// - converted some C style comments to C++ style.
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//
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// Revision 1.1.1.1 1999/04/05 21:32:47 curt
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// Start of 0.6.x branch.
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//
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// Revision 1.1 1998/04/24 00:52:30 curt
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// Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
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// Fog color fixes.
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// Separated out lighting calcs into their own file.
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//
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// Revision 1.5 1998/04/21 17:01:45 curt
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// Fixed a problems where a pointer to a function was being passed around. In
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// one place this functions arguments were defined as ( void ) while in another
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// place they were defined as ( int ). The correct answer was ( int ).
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//
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// Prepairing for C++ integration.
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//
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// Revision 1.4 1998/01/22 02:59:43 curt
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// Changed #ifdef FILE_H to #ifdef _FILE_H
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//
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// Revision 1.3 1998/01/19 18:40:40 curt
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// Tons of little changes to clean up the code and to remove fatal errors
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// when building with the c++ compiler.
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//
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// Revision 1.2 1997/07/23 21:52:27 curt
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// Put comments around the text after an #endif for increased portability.
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//
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// Revision 1.1 1997/06/16 19:24:20 curt
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// Initial revision.
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//
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