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flightgear/Scenery/scenery.h

84 lines
2.3 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 "../types.h"
/* Define a structure containing global scenery parameters */
struct scenery_params {
/* number of terrain data points to skip */
int terrain_skip;
/* center of current scenery chunk */
struct fgCartesianPoint center;
};
extern struct scenery_params scenery;
/* Initialize the Scenery Management system */
void fgSceneryInit();
/* 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();
#endif /* SCENERY_H */
/* $Log$
/* 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.
*
*/