138 lines
4 KiB
C
138 lines
4 KiB
C
/**************************************************************************
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* scenery.h -- data structures and routines for managing scenery.
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*
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* Written by Curtis Olson, started May 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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**************************************************************************/
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#ifndef _SCENERY_H
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#define _SCENERY_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <Include/fg_types.h>
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/* Define a structure containing global scenery parameters */
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struct fgSCENERY {
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/* number of terrain data points to skip */
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int terrain_skip;
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/* center of current scenery chunk */
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struct fgCartesianPoint center;
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/* next center of current scenery chunk */
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struct fgCartesianPoint next_center;
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/* angle of sun relative to current local horizontal */
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double sun_angle;
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};
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extern struct fgSCENERY scenery;
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/* Initialize the Scenery Management system */
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int fgSceneryInit( void );
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/* Tell the scenery manager where we are so it can load the proper data, and
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* build the proper structures. */
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void fgSceneryUpdate(double lon, double lat, double elev);
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/* Render out the current scene */
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void fgSceneryRender( void );
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SCENERY_H */
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/* $Log$
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/* Revision 1.19 1998/04/21 17:02:43 curt
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/* Prepairing for C++ integration.
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/*
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* Revision 1.18 1998/03/14 00:30:51 curt
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* Beginning initial terrain texturing experiments.
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*
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* Revision 1.17 1998/02/20 00:16:24 curt
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* Thursday's tweaks.
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*
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* Revision 1.16 1998/01/27 00:48:03 curt
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* Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
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* system and commandline/config file processing code.
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*
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* Revision 1.15 1998/01/22 02:59:41 curt
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* Changed #ifdef FILE_H to #ifdef _FILE_H
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*
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* Revision 1.14 1998/01/19 19:27:17 curt
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* Merged in make system changes from Bob Kuehne <rpk@sgi.com>
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* This should simplify things tremendously.
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*
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* Revision 1.13 1998/01/19 18:40:38 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 1.12 1997/12/15 23:55:03 curt
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* Add xgl wrappers for debugging.
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* Generate terrain normals on the fly.
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*
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* Revision 1.11 1997/12/10 22:37:52 curt
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* Prepended "fg" on the name of all global structures that didn't have it yet.
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* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
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*
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* Revision 1.10 1997/09/04 02:17:37 curt
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* Shufflin' stuff.
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*
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* Revision 1.9 1997/08/27 03:30:33 curt
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* Changed naming scheme of basic shared structures.
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*
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* Revision 1.8 1997/08/06 00:24:30 curt
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* Working on correct real time sun lighting.
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*
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* Revision 1.7 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 1.6 1997/07/11 01:30:03 curt
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* More tweaking of terrian floor.
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*
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* Revision 1.5 1997/06/26 22:14:57 curt
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* Beginning work on a scenery management system.
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*
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* Revision 1.4 1997/06/21 17:57:21 curt
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* directory shuffling ...
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*
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* Revision 1.2 1997/05/23 15:40:43 curt
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* Added GNU copyright headers.
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*
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* Revision 1.1 1997/05/16 16:07:07 curt
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* Initial revision.
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*
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*/
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