1 /**************************************************************************
2 * scenery.h -- data structures and routines for managing scenery.
4 * Written by Curtis Olson, started May 1997.
6 * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the
11 * License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * (Log is kept at end of this file)
24 **************************************************************************/
31 #include <Include/types.h>
34 /* Define a structure containing global scenery parameters */
36 /* number of terrain data points to skip */
39 /* center of current scenery chunk */
40 struct fgCartesianPoint center;
42 /* angle of sun relative to current local horizontal */
46 extern struct fgSCENERY scenery;
49 /* Initialize the Scenery Management system */
50 void fgSceneryInit( void );
53 /* Tell the scenery manager where we are so it can load the proper data, and
54 * build the proper structures. */
55 void fgSceneryUpdate(double lon, double lat, double elev);
58 /* Render out the current scene */
59 void fgSceneryRender( void );
62 #endif /* _SCENERY_H */
66 /* Revision 1.15 1998/01/22 02:59:41 curt
67 /* Changed #ifdef FILE_H to #ifdef _FILE_H
69 * Revision 1.14 1998/01/19 19:27:17 curt
70 * Merged in make system changes from Bob Kuehne <rpk@sgi.com>
71 * This should simplify things tremendously.
73 * Revision 1.13 1998/01/19 18:40:38 curt
74 * Tons of little changes to clean up the code and to remove fatal errors
75 * when building with the c++ compiler.
77 * Revision 1.12 1997/12/15 23:55:03 curt
78 * Add xgl wrappers for debugging.
79 * Generate terrain normals on the fly.
81 * Revision 1.11 1997/12/10 22:37:52 curt
82 * Prepended "fg" on the name of all global structures that didn't have it yet.
83 * i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
85 * Revision 1.10 1997/09/04 02:17:37 curt
88 * Revision 1.9 1997/08/27 03:30:33 curt
89 * Changed naming scheme of basic shared structures.
91 * Revision 1.8 1997/08/06 00:24:30 curt
92 * Working on correct real time sun lighting.
94 * Revision 1.7 1997/07/23 21:52:27 curt
95 * Put comments around the text after an #endif for increased portability.
97 * Revision 1.6 1997/07/11 01:30:03 curt
98 * More tweaking of terrian floor.
100 * Revision 1.5 1997/06/26 22:14:57 curt
101 * Beginning work on a scenery management system.
103 * Revision 1.4 1997/06/21 17:57:21 curt
104 * directory shuffling ...
106 * Revision 1.2 1997/05/23 15:40:43 curt
107 * Added GNU copyright headers.
109 * Revision 1.1 1997/05/16 16:07:07 curt