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Converted to c++ style comments.

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curt 1998-09-24 15:36:19 +00:00
parent aa60beb13d
commit cc0d582e26
2 changed files with 367 additions and 366 deletions
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558
Astro/stars.cxx
View file

@ -1,27 +1,26 @@
/************************************************************************** // stars.cxx -- data structures and routines for managing and rendering stars.
* stars.c -- data structures and routines for managing and rendering stars. //
* // Written by Curtis Olson, started August 1997.
* Written by Curtis Olson, started August 1997. //
* // Copyright (C) 1997 Curtis L. Olson - curt@me.umn.edu
* Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com //
* // This program is free software; you can redistribute it and/or
* This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as
* modify it under the terms of the GNU General Public License as // published by the Free Software Foundation; either version 2 of the
* published by the Free Software Foundation; either version 2 of the // License, or (at your option) any later version.
* License, or (at your option) any later version. //
* // This program is distributed in the hope that it will be useful, but
* This program is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of
* WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details.
* General Public License for more details. //
* // You should have received a copy of the GNU General Public License
* You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. //
* // $Id$
* $Id$ // (Log is kept at end of this file)
* (Log is kept at end of this file) //*************************************************************************/
**************************************************************************/
#ifdef HAVE_CONFIG_H #ifdef HAVE_CONFIG_H
@ -45,14 +44,12 @@
#include <Debug/fg_debug.h> #include <Debug/fg_debug.h>
#include <Include/fg_constants.h> #include <Include/fg_constants.h>
#include <Include/fg_types.h> #include <Include/fg_types.h>
#include "Misc/fgstream.hxx" #include <Misc/fgstream.hxx>
#include <Main/options.hxx> #include <Main/options.hxx>
#include <Main/views.hxx> #include <Main/views.hxx>
#include <Misc/stopwatch.hxx> #include <Misc/stopwatch.hxx>
#include <Time/fg_time.hxx> #include <Time/fg_time.hxx>
// #include "orbits.hxx"
// #include "planets.hxx"
#include "stars.hxx" #include "stars.hxx"
@ -60,18 +57,18 @@
#define DaysSinceEpoch(secs) (((secs)-EpochStart)*(1.0/(24*3600))) #define DaysSinceEpoch(secs) (((secs)-EpochStart)*(1.0/(24*3600)))
#define FG_MAX_STARS 3500 #define FG_MAX_STARS 3500
/* Define four structures, each with varying amounts of stars */ // Define four structures, each with varying amounts of stars
static GLint stars[FG_STAR_LEVELS]; static GLint stars[FG_STAR_LEVELS];
/* Initialize the Star Management Subsystem */ // Initialize the Star Management Subsystem
int fgStarsInit( void ) { int fgStarsInit( void ) {
fgPoint3d starlist[FG_MAX_STARS]; fgPoint3d starlist[FG_MAX_STARS];
/* struct CelestialCoord pltPos; */ // struct CelestialCoord pltPos;
double right_ascension, declination, magnitude; double right_ascension, declination, magnitude;
double min_magnitude[FG_STAR_LEVELS]; double min_magnitude[FG_STAR_LEVELS];
/* double ra_save, decl_save; */ // double ra_save, decl_save;
/* double ra_save1, decl_save1; */ // double ra_save1, decl_save1;
int i, j, starcount, count; int i, j, starcount, count;
fgPrintf( FG_ASTRO, FG_INFO, "Initializing stars\n"); fgPrintf( FG_ASTRO, FG_INFO, "Initializing stars\n");
@ -104,8 +101,8 @@ int fgStarsInit( void ) {
getline( in.stream(), name, ',' ); getline( in.stream(), name, ',' );
in.stream() >> starlist[starcount].x >> c; in.stream() >> starlist[starcount].x >> c;
in.stream() >> starlist[starcount].y >> c; in.stream() >> starlist[starcount].y >> c;
// in.stream() >> starlist[starcount].x; in.get(c); // in.stream() >> starlist[starcount].x; in.get(c);
// in.stream() >> starlist[starcount].y; in.get(c); // in.stream() >> starlist[starcount].y; in.get(c);
in.stream() >> starlist[starcount].z; in.stream() >> starlist[starcount].z;
++starcount; ++starcount;
} }
@ -142,27 +139,27 @@ int fgStarsInit( void ) {
count++; count++;
/* scale magnitudes to (0.0 - 1.0) */ // scale magnitudes to (0.0 - 1.0)
magnitude = (0.0 - magnitude) / 5.0 + 1.0; magnitude = (0.0 - magnitude) / 5.0 + 1.0;
/* scale magnitudes again so they look ok */ // scale magnitudes again so they look ok
if ( magnitude > 1.0 ) { magnitude = 1.0; } if ( magnitude > 1.0 ) { magnitude = 1.0; }
if ( magnitude < 0.0 ) { magnitude = 0.0; } if ( magnitude < 0.0 ) { magnitude = 0.0; }
/* magnitude = // magnitude =
magnitude * 0.7 + (((FG_STAR_LEVELS - 1) - i) * 0.042); // magnitude * 0.7 + (((FG_STAR_LEVELS - 1) - i) * 0.042);
*/
magnitude = magnitude * 0.9 + magnitude = magnitude * 0.9 +
(((FG_STAR_LEVELS - 1) - i) * 0.014); (((FG_STAR_LEVELS - 1) - i) * 0.014);
/* printf(" Found star: %d %s, %.3f %.3f %.3f\n", count, // printf(" Found star: %d %s, %.3f %.3f %.3f\n", count,
name, right_ascension, declination, magnitude); */ // name, right_ascension, declination, magnitude);
xglColor3f( magnitude, magnitude, magnitude ); xglColor3f( magnitude, magnitude, magnitude );
/*xglColor3f(0,0,0);*/ //xglColor3f(0,0,0);*/
xglVertex3f( 50000.0*cos(right_ascension)*cos(declination), xglVertex3f( 50000.0*cos(right_ascension)*cos(declination),
50000.0*sin(right_ascension)*cos(declination), 50000.0*sin(right_ascension)*cos(declination),
50000.0*sin(declination) ); 50000.0*sin(declination) );
} }
} /* while */ } // while
xglEnd(); xglEnd();
@ -213,7 +210,7 @@ int fgStarsInit( void ) {
} }
/* Draw the Stars */ // Draw the Stars
void fgStarsRender( void ) { void fgStarsRender( void ) {
fgFLIGHT *f; fgFLIGHT *f;
fgVIEW *v; fgVIEW *v;
@ -226,13 +223,13 @@ void fgStarsRender( void ) {
t = &cur_time_params; t = &cur_time_params;
v = &current_view; v = &current_view;
/* FG_PI_2 + 0.1 is about 6 degrees after sundown and before sunrise */ // FG_PI_2 + 0.1 is about 6 degrees after sundown and before sunrise
/* t->sun_angle = 3.0; */ /* to force stars to be drawn (for testing) */ // t->sun_angle = 3.0; // to force stars to be drawn (for testing)
/* render the stars */ // render the stars
if ( l->sun_angle > (FG_PI_2 + 5 * DEG_TO_RAD ) ) { if ( l->sun_angle > (FG_PI_2 + 5 * DEG_TO_RAD ) ) {
/* determine which star structure to draw */ // determine which star structure to draw
if ( l->sun_angle > (FG_PI_2 + 10.0 * DEG_TO_RAD ) ) { if ( l->sun_angle > (FG_PI_2 + 10.0 * DEG_TO_RAD ) ) {
i = 0; i = 0;
} else if ( l->sun_angle > (FG_PI_2 + 8.8 * DEG_TO_RAD ) ) { } else if ( l->sun_angle > (FG_PI_2 + 8.8 * DEG_TO_RAD ) ) {
@ -251,241 +248,244 @@ void fgStarsRender( void ) {
i = 7; i = 7;
} }
/* printf("RENDERING STARS = %d (night)\n", i); */ // printf("RENDERING STARS = %d (night)\n", i);
xglCallList(stars[i]); xglCallList(stars[i]);
} else { } else {
/* printf("not RENDERING STARS (day)\n"); */ // printf("not RENDERING STARS (day)\n");
} }
} }
/* $Log$ // $Log$
/* Revision 1.16 1998/09/24 15:25:24 curt // Revision 1.17 1998/09/24 15:36:19 curt
/* Miscellaneous tweaks. // Converted to c++ style comments.
/* //
* // Revision 1.16 1998/09/24 15:25:24 curt
* Revision 1.15 1998/09/17 18:25:12 curt // Miscellaneous tweaks.
* Fixed output message. //
* //
* Revision 1.14 1998/09/15 04:26:22 curt // Revision 1.15 1998/09/17 18:25:12 curt
* New textured moon and rewritten/restructured Astro code contributed by Durk // Fixed output message.
* Talsma. //
* // Revision 1.14 1998/09/15 04:26:22 curt
* Revision 1.13 1998/09/01 19:03:04 curt // New textured moon and rewritten/restructured Astro code contributed by Durk
* Changes contributed by Bernie Bright <bbright@c031.aone.net.au> // Talsma.
* - The new classes in libmisc.tgz define a stream interface into zlib. //
* I've put these in a new directory, Lib/Misc. Feel free to rename it // Revision 1.13 1998/09/01 19:03:04 curt
* to something more appropriate. However you'll have to change the // Changes contributed by Bernie Bright <bbright@c031.aone.net.au>
* include directives in all the other files. Additionally you'll have // - The new classes in libmisc.tgz define a stream interface into zlib.
* add the library to Lib/Makefile.am and Simulator/Main/Makefile.am. // I've put these in a new directory, Lib/Misc. Feel free to rename it
* // to something more appropriate. However you'll have to change the
* The StopWatch class in Lib/Misc requires a HAVE_GETRUSAGE autoconf // include directives in all the other files. Additionally you'll have
* test so I've included the required changes in config.tgz. // add the library to Lib/Makefile.am and Simulator/Main/Makefile.am.
* //
* There are a fair few changes to Simulator/Objects as I've moved // The StopWatch class in Lib/Misc requires a HAVE_GETRUSAGE autoconf
* things around. Loading tiles is quicker but thats not where the delay // test so I've included the required changes in config.tgz.
* is. Tile loading takes a few tenths of a second per file on a P200 //
* but it seems to be the post-processing that leads to a noticeable // There are a fair few changes to Simulator/Objects as I've moved
* blip in framerate. I suppose its time to start profiling to see where // things around. Loading tiles is quicker but thats not where the delay
* the delays are. // is. Tile loading takes a few tenths of a second per file on a P200
* // but it seems to be the post-processing that leads to a noticeable
* I've included a brief description of each archives contents. // blip in framerate. I suppose its time to start profiling to see where
* // the delays are.
* Lib/Misc/ //
* zfstream.cxx // I've included a brief description of each archives contents.
* zfstream.hxx //
* C++ stream interface into zlib. // Lib/Misc/
* Taken from zlib-1.1.3/contrib/iostream/. // zfstream.cxx
* Minor mods for STL compatibility. // zfstream.hxx
* There's no copyright associated with these so I assume they're // C++ stream interface into zlib.
* covered by zlib's. // Taken from zlib-1.1.3/contrib/iostream/.
* // Minor mods for STL compatibility.
* fgstream.cxx // There's no copyright associated with these so I assume they're
* fgstream.hxx // covered by zlib's.
* FlightGear input stream using gz_ifstream. Tries to open the //
* given filename. If that fails then filename is examined and a // fgstream.cxx
* ".gz" suffix is removed or appended and that file is opened. // fgstream.hxx
* // FlightGear input stream using gz_ifstream. Tries to open the
* stopwatch.hxx // given filename. If that fails then filename is examined and a
* A simple timer for benchmarking. Not used in production code. // ".gz" suffix is removed or appended and that file is opened.
* Taken from the Blitz++ project. Covered by GPL. //
* // stopwatch.hxx
* strutils.cxx // A simple timer for benchmarking. Not used in production code.
* strutils.hxx // Taken from the Blitz++ project. Covered by GPL.
* Some simple string manipulation routines. //
* // strutils.cxx
* Simulator/Airports/ // strutils.hxx
* Load airports database using fgstream. // Some simple string manipulation routines.
* Changed fgAIRPORTS to use set<> instead of map<>. //
* Added bool fgAIRPORTS::search() as a neater way doing the lookup. // Simulator/Airports/
* Returns true if found. // Load airports database using fgstream.
* // Changed fgAIRPORTS to use set<> instead of map<>.
* Simulator/Astro/ // Added bool fgAIRPORTS::search() as a neater way doing the lookup.
* Modified fgStarsInit() to load stars database using fgstream. // Returns true if found.
* //
* Simulator/Objects/ // Simulator/Astro/
* Modified fgObjLoad() to use fgstream. // Modified fgStarsInit() to load stars database using fgstream.
* Modified fgMATERIAL_MGR::load_lib() to use fgstream. //
* Many changes to fgMATERIAL. // Simulator/Objects/
* Some changes to fgFRAGMENT but I forget what! // Modified fgObjLoad() to use fgstream.
* // Modified fgMATERIAL_MGR::load_lib() to use fgstream.
* Revision 1.12 1998/08/27 17:02:01 curt // Many changes to fgMATERIAL.
* Contributions from Bernie Bright <bbright@c031.aone.net.au> // Some changes to fgFRAGMENT but I forget what!
* - use strings for fg_root and airport_id and added methods to return //
* them as strings, // Revision 1.12 1998/08/27 17:02:01 curt
* - inlined all access methods, // Contributions from Bernie Bright <bbright@c031.aone.net.au>
* - made the parsing functions private methods, // - use strings for fg_root and airport_id and added methods to return
* - deleted some unused functions. // them as strings,
* - propogated some of these changes out a bit further. // - inlined all access methods,
* // - made the parsing functions private methods,
* Revision 1.11 1998/08/25 20:53:29 curt // - deleted some unused functions.
* Shuffled $FG_ROOT file layout. // - propogated some of these changes out a bit further.
* //
* Revision 1.10 1998/08/10 20:33:09 curt // Revision 1.11 1998/08/25 20:53:29 curt
* Rewrote star loading and rendering to: // Shuffled $FG_ROOT file layout.
* 1. significantly improve load speed //
* 2. transition from no stars to stars through eight stages. // Revision 1.10 1998/08/10 20:33:09 curt
* // Rewrote star loading and rendering to:
* Revision 1.9 1998/08/06 12:45:20 curt // 1. significantly improve load speed
* Modified to bring in stars in 8 increments based on magnitude, not number // 2. transition from no stars to stars through eight stages.
* of stars. //
* // Revision 1.9 1998/08/06 12:45:20 curt
* Revision 1.8 1998/07/13 21:00:10 curt // Modified to bring in stars in 8 increments based on magnitude, not number
* Wrote access functions for current fgOPTIONS. // of stars.
* //
* Revision 1.7 1998/05/29 20:35:42 curt // Revision 1.8 1998/07/13 21:00:10 curt
* Added zlib support for reading in compressed data files. // Wrote access functions for current fgOPTIONS.
* //
* Revision 1.6 1998/05/13 18:25:35 curt // Revision 1.7 1998/05/29 20:35:42 curt
* Root path info moved to fgOPTIONS. // Added zlib support for reading in compressed data files.
* //
* Revision 1.5 1998/04/28 01:19:03 curt // Revision 1.6 1998/05/13 18:25:35 curt
* Type-ified fgTIME and fgVIEW // Root path info moved to fgOPTIONS.
* //
* Revision 1.4 1998/04/26 05:10:02 curt // Revision 1.5 1998/04/28 01:19:03 curt
* "struct fgLIGHT" -> "fgLIGHT" because fgLIGHT is typedef'd. // Type-ified fgTIME and fgVIEW
* //
* Revision 1.3 1998/04/25 22:06:26 curt // Revision 1.4 1998/04/26 05:10:02 curt
* Edited cvs log messages in source files ... bad bad bad! // "struct fgLIGHT" -> "fgLIGHT" because fgLIGHT is typedef'd.
* //
* Revision 1.2 1998/04/24 00:45:03 curt // Revision 1.3 1998/04/25 22:06:26 curt
* Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H" // Edited cvs log messages in source files ... bad bad bad!
* Fixed a bug when generating sky colors. //
* // Revision 1.2 1998/04/24 00:45:03 curt
* Revision 1.1 1998/04/22 13:21:34 curt // Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
* C++ - ifing the code a bit. // Fixed a bug when generating sky colors.
* //
* Revision 1.11 1998/04/18 04:13:58 curt // Revision 1.1 1998/04/22 13:21:34 curt
* Moved fg_debug.c to it's own library. // C++ - ifing the code a bit.
* //
* Revision 1.10 1998/04/03 21:52:51 curt // Revision 1.11 1998/04/18 04:13:58 curt
* Converting to Gnu autoconf system. // Moved fg_debug.c to it's own library.
* //
* Revision 1.9 1998/03/14 00:27:12 curt // Revision 1.10 1998/04/03 21:52:51 curt
* Updated fgGENERAL to a "type" of struct. // Converting to Gnu autoconf system.
* //
* Revision 1.8 1998/02/12 21:59:38 curt // Revision 1.9 1998/03/14 00:27:12 curt
* Incorporated code changes contributed by Charlie Hotchkiss // Updated fgGENERAL to a "type" of struct.
* <chotchkiss@namg.us.anritsu.com> //
* // Revision 1.8 1998/02/12 21:59:38 curt
* Revision 1.7 1998/02/09 15:07:48 curt // Incorporated code changes contributed by Charlie Hotchkiss
* Minor tweaks. // <chotchkiss@namg.us.anritsu.com>
* //
* Revision 1.6 1998/02/02 20:53:23 curt // Revision 1.7 1998/02/09 15:07:48 curt
* To version 0.29 // Minor tweaks.
* //
* Revision 1.5 1998/01/27 18:35:53 curt // Revision 1.6 1998/02/02 20:53:23 curt
* Minor tweaks. // To version 0.29
* //
* Revision 1.4 1998/01/27 00:47:49 curt // Revision 1.5 1998/01/27 18:35:53 curt
* Incorporated Paul Bleisch's <pbleisch@acm.org> new debug message // Minor tweaks.
* system and commandline/config file processing code. //
* // Revision 1.4 1998/01/27 00:47:49 curt
* Revision 1.3 1998/01/19 19:26:59 curt // Incorporated Paul Bleisch's <pbleisch@acm.org> new debug message
* Merged in make system changes from Bob Kuehne <rpk@sgi.com> // system and commandline/config file processing code.
* This should simplify things tremendously. //
* // Revision 1.3 1998/01/19 19:26:59 curt
* Revision 1.2 1998/01/19 18:40:18 curt // Merged in make system changes from Bob Kuehne <rpk@sgi.com>
* Tons of little changes to clean up the code and to remove fatal errors // This should simplify things tremendously.
* when building with the c++ compiler. //
* // Revision 1.2 1998/01/19 18:40:18 curt
* Revision 1.1 1998/01/07 03:16:20 curt // Tons of little changes to clean up the code and to remove fatal errors
* Moved from .../Src/Scenery/ to .../Src/Astro/ // when building with the c++ compiler.
* //
* Revision 1.24 1997/12/30 22:22:39 curt // Revision 1.1 1998/01/07 03:16:20 curt
* Further integration of event manager. // Moved from .../Src/Scenery/ to .../Src/Astro/
* //
* Revision 1.23 1997/12/30 20:47:53 curt // Revision 1.24 1997/12/30 22:22:39 curt
* Integrated new event manager with subsystem initializations. // Further integration of event manager.
* //
* Revision 1.22 1997/12/30 16:36:53 curt // Revision 1.23 1997/12/30 20:47:53 curt
* Merged in Durk's changes ... // Integrated new event manager with subsystem initializations.
* //
* Revision 1.21 1997/12/19 23:35:00 curt // Revision 1.22 1997/12/30 16:36:53 curt
* Lot's of tweaking with sky rendering and lighting. // Merged in Durk's changes ...
* //
* Revision 1.20 1997/12/15 23:55:03 curt // Revision 1.21 1997/12/19 23:35:00 curt
* Add xgl wrappers for debugging. // Lot's of tweaking with sky rendering and lighting.
* Generate terrain normals on the fly. //
* // Revision 1.20 1997/12/15 23:55:03 curt
* Revision 1.19 1997/12/12 19:53:00 curt // Add xgl wrappers for debugging.
* Working on lightling and material properties. // Generate terrain normals on the fly.
* //
* Revision 1.18 1997/12/10 22:37:52 curt // Revision 1.19 1997/12/12 19:53:00 curt
* Prepended "fg" on the name of all global structures that didn't have it yet. // Working on lightling and material properties.
* i.e. "struct WEATHER {}" became "struct fgWEATHER {}" //
* // Revision 1.18 1997/12/10 22:37:52 curt
* Revision 1.17 1997/12/09 04:25:33 curt // Prepended "fg" on the name of all global structures that didn't have it yet.
* Working on adding a global lighting params structure. // i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
* //
* Revision 1.16 1997/11/25 19:25:38 curt // Revision 1.17 1997/12/09 04:25:33 curt
* Changes to integrate Durk's moon/sun code updates + clean up. // Working on adding a global lighting params structure.
* //
* Revision 1.15 1997/10/30 12:38:45 curt // Revision 1.16 1997/11/25 19:25:38 curt
* Working on new scenery subsystem. // Changes to integrate Durk's moon/sun code updates + clean up.
* //
* Revision 1.14 1997/10/28 21:00:22 curt // Revision 1.15 1997/10/30 12:38:45 curt
* Changing to new terrain format. // Working on new scenery subsystem.
* //
* Revision 1.13 1997/10/25 03:18:28 curt // Revision 1.14 1997/10/28 21:00:22 curt
* Incorporated sun, moon, and planet position and rendering code contributed // Changing to new terrain format.
* by Durk Talsma. //
* // Revision 1.13 1997/10/25 03:18:28 curt
* Revision 1.12 1997/09/23 00:29:43 curt // Incorporated sun, moon, and planet position and rendering code contributed
* Tweaks to get things to compile with gcc-win32. // by Durk Talsma.
* //
* Revision 1.11 1997/09/22 14:44:21 curt // Revision 1.12 1997/09/23 00:29:43 curt
* Continuing to try to align stars correctly. // Tweaks to get things to compile with gcc-win32.
* //
* Revision 1.10 1997/09/20 03:34:32 curt // Revision 1.11 1997/09/22 14:44:21 curt
* Still trying to get those durned stars aligned properly. // Continuing to try to align stars correctly.
* //
* Revision 1.9 1997/09/18 16:20:09 curt // Revision 1.10 1997/09/20 03:34:32 curt
* At dusk/dawn add/remove stars in stages. // Still trying to get those durned stars aligned properly.
* //
* Revision 1.8 1997/09/16 22:14:52 curt // Revision 1.9 1997/09/18 16:20:09 curt
* Tweaked time of day lighting equations. Don't draw stars during the day. // At dusk/dawn add/remove stars in stages.
* //
* Revision 1.7 1997/09/16 15:50:31 curt // Revision 1.8 1997/09/16 22:14:52 curt
* Working on star alignment and time issues. // Tweaked time of day lighting equations. Don't draw stars during the day.
* //
* Revision 1.6 1997/09/05 14:17:31 curt // Revision 1.7 1997/09/16 15:50:31 curt
* More tweaking with stars. // Working on star alignment and time issues.
* //
* Revision 1.5 1997/09/05 01:35:59 curt // Revision 1.6 1997/09/05 14:17:31 curt
* Working on getting stars right. // More tweaking with stars.
* //
* Revision 1.4 1997/09/04 02:17:38 curt // Revision 1.5 1997/09/05 01:35:59 curt
* Shufflin' stuff. // Working on getting stars right.
* //
* Revision 1.3 1997/08/29 17:55:28 curt // Revision 1.4 1997/09/04 02:17:38 curt
* Worked on properly aligning the stars. // Shufflin' stuff.
* //
* Revision 1.2 1997/08/27 21:32:30 curt // Revision 1.3 1997/08/29 17:55:28 curt
* Restructured view calculation code. Added stars. // Worked on properly aligning the stars.
* //
* Revision 1.1 1997/08/27 03:34:48 curt // Revision 1.2 1997/08/27 21:32:30 curt
* Initial revision. // Restructured view calculation code. Added stars.
* //
*/ // Revision 1.1 1997/08/27 03:34:48 curt
// Initial revision.

175
Astro/stars.hxx
View file

@ -1,27 +1,25 @@
/************************************************************************** // stars.hxx -- data structures and routines for managing and rendering stars.
* stars.hxx -- data structures and routines for managing and rendering stars. //
* // Written by Curtis Olson, started August 1997.
* Written by Curtis Olson, started August 1997. //
* // Copyright (C) 1997 Curtis L. Olson - curt@me.umn.edu
* Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com //
* // This program is free software; you can redistribute it and/or
* This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as
* modify it under the terms of the GNU General Public License as // published by the Free Software Foundation; either version 2 of the
* published by the Free Software Foundation; either version 2 of the // License, or (at your option) any later version.
* License, or (at your option) any later version. //
* // This program is distributed in the hope that it will be useful, but
* This program is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of
* WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details.
* General Public License for more details. //
* // You should have received a copy of the GNU General Public License
* You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. //
* // $Id$
* $Id$ // (Log is kept at end of this file)
* (Log is kept at end of this file)
**************************************************************************/
#ifndef _STARS_HXX #ifndef _STARS_HXX
@ -34,77 +32,80 @@
#include <Time/fg_time.hxx> #include <Time/fg_time.hxx>
#define FG_STAR_LEVELS 8 /* how many star transitions */ #define FG_STAR_LEVELS 8 // how many star transitions
/* Initialize the Star Management Subsystem */ // Initialize the Star Management Subsystem
int fgStarsInit( void ); int fgStarsInit( void );
/* Draw the Stars */ // Draw the Stars
void fgStarsRender( void ); void fgStarsRender( void );
extern struct OrbElements pltOrbElements[9]; extern struct OrbElements pltOrbElements[9];
extern fgTIME cur_time_params; extern fgTIME cur_time_params;
#endif /* _STARS_HXX */ #endif // _STARS_HXX
/* $Log$ // $Log$
/* Revision 1.6 1998/09/24 15:25:26 curt // Revision 1.7 1998/09/24 15:36:20 curt
/* Miscellaneous tweaks. // Converted to c++ style comments.
/* //
* // Revision 1.6 1998/09/24 15:25:26 curt
* Revision 1.5 1998/09/17 18:25:13 curt // Miscellaneous tweaks.
* Fixed output message. //
* //
* Revision 1.4 1998/09/15 04:26:23 curt // Revision 1.5 1998/09/17 18:25:13 curt
* New textured moon and rewritten/restructured Astro code contributed by Durk // Fixed output message.
* Talsma. //
* // Revision 1.4 1998/09/15 04:26:23 curt
* Revision 1.3 1998/08/06 12:45:20 curt // New textured moon and rewritten/restructured Astro code contributed by Durk
* Modified to bring in stars in 8 increments based on magnitude, not number // Talsma.
* of stars. //
* // Revision 1.3 1998/08/06 12:45:20 curt
* Revision 1.2 1998/04/28 01:19:03 curt // Modified to bring in stars in 8 increments based on magnitude, not number
* Type-ified fgTIME and fgVIEW // of stars.
* //
* Revision 1.1 1998/04/22 13:21:35 curt // Revision 1.2 1998/04/28 01:19:03 curt
* C++ - ifing the code a bit. // Type-ified fgTIME and fgVIEW
* //
* Revision 1.5 1998/04/21 17:02:33 curt // Revision 1.1 1998/04/22 13:21:35 curt
* Prepairing for C++ integration. // C++ - ifing the code a bit.
* //
* Revision 1.4 1998/02/12 21:59:39 curt // Revision 1.5 1998/04/21 17:02:33 curt
* Incorporated code changes contributed by Charlie Hotchkiss // Prepairing for C++ integration.
* <chotchkiss@namg.us.anritsu.com> //
* // Revision 1.4 1998/02/12 21:59:39 curt
* Revision 1.3 1998/01/22 02:59:28 curt // Incorporated code changes contributed by Charlie Hotchkiss
* Changed #ifdef FILE_H to #ifdef _FILE_H // <chotchkiss@namg.us.anritsu.com>
* //
* Revision 1.2 1998/01/19 18:40:18 curt // Revision 1.3 1998/01/22 02:59:28 curt
* Tons of little changes to clean up the code and to remove fatal errors // Changed #ifdef FILE_H to #ifdef _FILE_H
* when building with the c++ compiler. //
* // Revision 1.2 1998/01/19 18:40:18 curt
* Revision 1.1 1998/01/07 03:16:20 curt // Tons of little changes to clean up the code and to remove fatal errors
* Moved from .../Src/Scenery/ to .../Src/Astro/ // when building with the c++ compiler.
* //
* Revision 1.6 1997/10/25 03:18:29 curt // Revision 1.1 1998/01/07 03:16:20 curt
* Incorporated sun, moon, and planet position and rendering code contributed // Moved from .../Src/Scenery/ to .../Src/Astro/
* by Durk Talsma. //
* // Revision 1.6 1997/10/25 03:18:29 curt
* Revision 1.5 1997/09/18 16:20:09 curt // Incorporated sun, moon, and planet position and rendering code contributed
* At dusk/dawn add/remove stars in stages. // by Durk Talsma.
* //
* Revision 1.4 1997/09/05 01:36:00 curt // Revision 1.5 1997/09/18 16:20:09 curt
* Working on getting stars right. // At dusk/dawn add/remove stars in stages.
* //
* Revision 1.3 1997/08/29 17:55:28 curt // Revision 1.4 1997/09/05 01:36:00 curt
* Worked on properly aligning the stars. // Working on getting stars right.
* //
* Revision 1.2 1997/08/27 21:32:30 curt // Revision 1.3 1997/08/29 17:55:28 curt
* Restructured view calculation code. Added stars. // Worked on properly aligning the stars.
* //
* Revision 1.1 1997/08/27 03:34:50 curt // Revision 1.2 1997/08/27 21:32:30 curt
* Initial revision. // Restructured view calculation code. Added stars.
* //
*/ // Revision 1.1 1997/08/27 03:34:50 curt
// Initial revision.
//