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/fg_types.h>
39 /* Define a structure containing global scenery parameters */
41 /* number of terrain data points to skip */
44 /* center of current scenery chunk */
45 struct fgCartesianPoint center;
47 /* next center of current scenery chunk */
48 struct fgCartesianPoint next_center;
50 /* angle of sun relative to current local horizontal */
54 extern struct fgSCENERY scenery;
57 /* Initialize the Scenery Management system */
58 int fgSceneryInit( void );
61 /* Tell the scenery manager where we are so it can load the proper data, and
62 * build the proper structures. */
63 void fgSceneryUpdate(double lon, double lat, double elev);
66 /* Render out the current scene */
67 void fgSceneryRender( void );
75 #endif /* _SCENERY_H */
79 /* Revision 1.20 1998/04/22 13:22:45 curt
80 /* C++ - ifing the code a bit.
82 * Revision 1.19 1998/04/21 17:02:43 curt
83 * Prepairing for C++ integration.
85 * Revision 1.18 1998/03/14 00:30:51 curt
86 * Beginning initial terrain texturing experiments.
88 * Revision 1.17 1998/02/20 00:16:24 curt
91 * Revision 1.16 1998/01/27 00:48:03 curt
92 * Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
93 * system and commandline/config file processing code.
95 * Revision 1.15 1998/01/22 02:59:41 curt
96 * Changed #ifdef FILE_H to #ifdef _FILE_H
98 * Revision 1.14 1998/01/19 19:27:17 curt
99 * Merged in make system changes from Bob Kuehne <rpk@sgi.com>
100 * This should simplify things tremendously.
102 * Revision 1.13 1998/01/19 18:40:38 curt
103 * Tons of little changes to clean up the code and to remove fatal errors
104 * when building with the c++ compiler.
106 * Revision 1.12 1997/12/15 23:55:03 curt
107 * Add xgl wrappers for debugging.
108 * Generate terrain normals on the fly.
110 * Revision 1.11 1997/12/10 22:37:52 curt
111 * Prepended "fg" on the name of all global structures that didn't have it yet.
112 * i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
114 * Revision 1.10 1997/09/04 02:17:37 curt
117 * Revision 1.9 1997/08/27 03:30:33 curt
118 * Changed naming scheme of basic shared structures.
120 * Revision 1.8 1997/08/06 00:24:30 curt
121 * Working on correct real time sun lighting.
123 * Revision 1.7 1997/07/23 21:52:27 curt
124 * Put comments around the text after an #endif for increased portability.
126 * Revision 1.6 1997/07/11 01:30:03 curt
127 * More tweaking of terrian floor.
129 * Revision 1.5 1997/06/26 22:14:57 curt
130 * Beginning work on a scenery management system.
132 * Revision 1.4 1997/06/21 17:57:21 curt
133 * directory shuffling ...
135 * Revision 1.2 1997/05/23 15:40:43 curt
136 * Added GNU copyright headers.
138 * Revision 1.1 1997/05/16 16:07:07 curt