167 lines
5 KiB
C++
167 lines
5 KiB
C++
// scenery.hxx -- 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_HXX
|
|
#define _SCENERY_HXX
|
|
|
|
|
|
#ifndef __cplusplus
|
|
# error This library requires C++
|
|
#endif
|
|
|
|
|
|
#include <Math/point3d.hxx>
|
|
|
|
|
|
// Define a structure containing global scenery parameters
|
|
struct fgSCENERY {
|
|
// center of current scenery chunk
|
|
Point3D center;
|
|
|
|
// next center of current scenery chunk
|
|
Point3D next_center;
|
|
|
|
// angle of sun relative to current local horizontal
|
|
double sun_angle;
|
|
|
|
// elevation of terrain at our current lat/lon (based on the
|
|
// actual drawn polygons)
|
|
double cur_elev;
|
|
};
|
|
|
|
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_HXX
|
|
|
|
|
|
// $Log$
|
|
// Revision 1.1 1999/04/05 21:32:49 curt
|
|
// Initial revision
|
|
//
|
|
// Revision 1.6 1998/10/16 23:27:59 curt
|
|
// C++-ifying.
|
|
//
|
|
// Revision 1.5 1998/10/16 00:55:44 curt
|
|
// Converted to Point3D class.
|
|
//
|
|
// Revision 1.4 1998/07/12 03:18:28 curt
|
|
// Added ground collision detection. This involved:
|
|
// - saving the entire vertex list for each tile with the tile records.
|
|
// - saving the face list for each fragment with the fragment records.
|
|
// - code to intersect the current vertical line with the proper face in
|
|
// an efficient manner as possible.
|
|
// Fixed a bug where the tiles weren't being shifted to "near" (0,0,0)
|
|
//
|
|
// Revision 1.3 1998/07/08 14:47:22 curt
|
|
// Fix GL_MODULATE vs. GL_DECAL problem introduced by splash screen.
|
|
// polare3d.h renamed to polar3d.hxx
|
|
// fg{Cartesian,Polar}Point3d consolodated.
|
|
// Added some initial support for calculating local current ground elevation.
|
|
//
|
|
// Revision 1.2 1998/05/02 01:52:16 curt
|
|
// Playing around with texture coordinates.
|
|
//
|
|
// Revision 1.1 1998/04/30 12:35:31 curt
|
|
// Added a command line rendering option specify smooth/flat shading.
|
|
//
|
|
// Revision 1.21 1998/04/25 22:06:31 curt
|
|
// Edited cvs log messages in source files ... bad bad bad!
|
|
//
|
|
// Revision 1.20 1998/04/22 13:22:45 curt
|
|
// C++ - ifing the code a bit.
|
|
//
|
|
// Revision 1.19 1998/04/21 17:02:43 curt
|
|
// Prepairing for C++ integration.
|
|
//
|
|
// 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 <pbleisch@acm.org> 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 <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.
|
|
//
|
|
|