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flightgear/Scenery/scenery.h
curt bda27365e4 Merged in make system changes from Bob Kuehne <rpk@sgi.com>
This should simplify things tremendously.
1998-01-19 19:26:51 +00:00

109 lines
3.2 KiB
C

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