/************************************************************************** * 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 /* 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; /* next center of current scenery chunk */ struct fgCartesianPoint next_center; /* angle of sun relative to current local horizontal */ double sun_angle; }; extern struct fgSCENERY scenery; /* Initialize the Scenery Management system */ int 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 1.18 1998/03/14 00:30:51 curt /* Beginning initial terrain texturing experiments. /* * Revision 1.17 1998/02/20 00:16:24 curt * Thursday's tweaks. * * Revision 1.16 1998/01/27 00:48:03 curt * Incorporated Paul Bleisch's new debug message * system and commandline/config file processing code. * * Revision 1.15 1998/01/22 02:59:41 curt * Changed #ifdef FILE_H to #ifdef _FILE_H * * Revision 1.14 1998/01/19 19:27:17 curt * Merged in make system changes from Bob Kuehne * 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. * */