1998-09-24 23:36:19 +08:00
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// stars.hxx -- data structures and routines for managing and rendering stars.
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//
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// Written by Curtis Olson, started August 1997.
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//
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// Copyright (C) 1997 Curtis L. Olson - curt@me.umn.edu
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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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1998-01-07 11:06:12 +08:00
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1998-04-22 21:21:26 +08:00
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#ifndef _STARS_HXX
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#define _STARS_HXX
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1998-01-07 11:06:12 +08:00
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1998-04-22 21:21:26 +08:00
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#ifndef __cplusplus
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# error This library requires C++
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1998-04-22 01:02:27 +08:00
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#endif
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1998-09-15 12:26:07 +08:00
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#include <Time/fg_time.hxx>
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1998-04-22 01:02:27 +08:00
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1998-09-24 23:36:19 +08:00
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#define FG_STAR_LEVELS 8 // how many star transitions
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1998-01-07 11:06:12 +08:00
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1998-09-24 23:36:19 +08:00
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// Initialize the Star Management Subsystem
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1998-02-13 05:58:27 +08:00
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int fgStarsInit( void );
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1998-01-07 11:06:12 +08:00
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1998-09-24 23:36:19 +08:00
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// Draw the Stars
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1998-01-20 02:40:15 +08:00
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void fgStarsRender( void );
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1998-04-28 09:18:59 +08:00
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1998-01-07 11:06:12 +08:00
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extern struct OrbElements pltOrbElements[9];
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1998-04-28 09:18:59 +08:00
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extern fgTIME cur_time_params;
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1998-01-07 11:06:12 +08:00
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1998-04-22 01:02:27 +08:00
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1998-09-24 23:36:19 +08:00
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#endif // _STARS_HXX
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1998-01-07 11:06:12 +08:00
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1998-09-24 23:36:19 +08:00
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// $Log$
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// Revision 1.7 1998/09/24 15:36:20 curt
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// Converted to c++ style comments.
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//
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// Revision 1.6 1998/09/24 15:25:26 curt
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// Miscellaneous tweaks.
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//
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//
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// Revision 1.5 1998/09/17 18:25:13 curt
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// Fixed output message.
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//
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// Revision 1.4 1998/09/15 04:26:23 curt
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// New textured moon and rewritten/restructured Astro code contributed by Durk
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// Talsma.
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//
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// Revision 1.3 1998/08/06 12:45:20 curt
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// Modified to bring in stars in 8 increments based on magnitude, not number
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// of stars.
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//
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// Revision 1.2 1998/04/28 01:19:03 curt
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// Type-ified fgTIME and fgVIEW
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//
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// Revision 1.1 1998/04/22 13:21:35 curt
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// C++ - ifing the code a bit.
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//
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// Revision 1.5 1998/04/21 17:02:33 curt
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// Prepairing for C++ integration.
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//
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// Revision 1.4 1998/02/12 21:59:39 curt
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// Incorporated code changes contributed by Charlie Hotchkiss
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// <chotchkiss@namg.us.anritsu.com>
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//
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// Revision 1.3 1998/01/22 02:59:28 curt
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// Changed #ifdef FILE_H to #ifdef _FILE_H
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//
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// Revision 1.2 1998/01/19 18:40:18 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 1.1 1998/01/07 03:16:20 curt
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// Moved from .../Src/Scenery/ to .../Src/Astro/
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//
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// Revision 1.6 1997/10/25 03:18:29 curt
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// Incorporated sun, moon, and planet position and rendering code contributed
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// by Durk Talsma.
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//
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// Revision 1.5 1997/09/18 16:20:09 curt
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// At dusk/dawn add/remove stars in stages.
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//
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// Revision 1.4 1997/09/05 01:36:00 curt
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// Working on getting stars right.
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//
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// Revision 1.3 1997/08/29 17:55:28 curt
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// Worked on properly aligning the stars.
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//
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// Revision 1.2 1997/08/27 21:32:30 curt
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// Restructured view calculation code. Added stars.
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//
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// Revision 1.1 1997/08/27 03:34:50 curt
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// Initial revision.
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//
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