c74350c4fe
builds with no messages at all (and no performance impact) by using the -DFG_NDEBUG flag.
262 lines
8 KiB
C++
262 lines
8 KiB
C++
// scenery.cxx -- 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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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include <GL/glut.h>
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#include <XGL/xgl.h>
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#include <stdio.h>
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#include <string.h>
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#include <Debug/logstream.hxx>
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#include <Main/options.hxx>
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// #include "obj.hxx"
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#include "scenery.hxx"
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// #include "texload.h"
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// Temporary hack until we get a better texture management system running
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GLint area_texture;
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// Shared structure to hold current scenery parameters
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struct fgSCENERY scenery;
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// Initialize the Scenery Management system
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int fgSceneryInit( void ) {
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fgOPTIONS *o;
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// char path[1024], fgpath[1024];
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// GLubyte *texbuf;
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// int width, height;
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o = ¤t_options;
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FG_LOG( FG_TERRAIN, FG_INFO, "Initializing scenery subsystem" );
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scenery.cur_elev = -9999;
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return(1);
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}
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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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// does nothing;
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}
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// Render out the current scene
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void fgSceneryRender( void ) {
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}
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// $Log$
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// Revision 1.10 1998/11/06 21:18:20 curt
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// Converted to new logstream debugging facility. This allows release
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// builds with no messages at all (and no performance impact) by using
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// the -DFG_NDEBUG flag.
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//
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// Revision 1.9 1998/10/16 23:27:57 curt
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// C++-ifying.
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//
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// Revision 1.8 1998/08/25 16:52:40 curt
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// material.cxx material.hxx obj.cxx obj.hxx texload.c texload.h moved to
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// ../Objects
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//
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// Revision 1.7 1998/07/13 21:01:59 curt
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// Wrote access functions for current fgOPTIONS.
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//
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// Revision 1.6 1998/07/12 03:18:27 curt
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// Added ground collision detection. This involved:
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// - saving the entire vertex list for each tile with the tile records.
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// - saving the face list for each fragment with the fragment records.
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// - code to intersect the current vertical line with the proper face in
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// an efficient manner as possible.
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// Fixed a bug where the tiles weren't being shifted to "near" (0,0,0)
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//
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// Revision 1.5 1998/06/17 21:36:41 curt
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// Load and manage multiple textures defined in the Materials library.
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// Boost max material fagments for each material property to 800.
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// Multiple texture support when rendering.
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//
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// Revision 1.4 1998/05/13 18:26:40 curt
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// Root path info moved to fgOPTIONS.
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//
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// Revision 1.3 1998/05/07 23:15:20 curt
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// Fixed a glTexImage2D() usage bug where width and height were mis-swapped.
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// Added support for --tile-radius=n option.
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//
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// Revision 1.2 1998/05/02 01:52:16 curt
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// Playing around with texture coordinates.
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//
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// Revision 1.1 1998/04/30 12:35:30 curt
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// Added a command line rendering option specify smooth/flat shading.
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//
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// Revision 1.42 1998/04/28 21:43:27 curt
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// Wrapped zlib calls up so we can conditionally comment out zlib support.
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//
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// Revision 1.41 1998/04/24 00:51:08 curt
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// Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
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// Tweaked the scenery file extentions to be "file.obj" (uncompressed)
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// or "file.obz" (compressed.)
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//
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// Revision 1.40 1998/04/18 04:14:06 curt
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// Moved fg_debug.c to it's own library.
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//
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// Revision 1.39 1998/04/08 23:30:07 curt
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// Adopted Gnu automake/autoconf system.
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//
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// Revision 1.38 1998/04/03 22:11:37 curt
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// Converting to Gnu autoconf system.
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//
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// Revision 1.37 1998/03/23 21:23:05 curt
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// Debugging output tweaks.
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//
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// Revision 1.36 1998/03/14 00:30:50 curt
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// Beginning initial terrain texturing experiments.
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//
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// Revision 1.35 1998/01/31 00:43:26 curt
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// Added MetroWorks patches from Carmen Volpe.
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//
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// Revision 1.34 1998/01/27 03:26:43 curt
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// Playing with new fgPrintf command.
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//
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// Revision 1.33 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 1.32 1998/01/19 18:40:37 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 1.31 1998/01/13 00:23:11 curt
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// Initial changes to support loading and management of scenery tiles. Note,
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// there's still a fair amount of work left to be done.
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//
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// Revision 1.30 1998/01/07 03:22:29 curt
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// Moved astro stuff to .../Src/Astro/
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//
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// Revision 1.29 1997/12/30 20:47:52 curt
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// Integrated new event manager with subsystem initializations.
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//
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// Revision 1.28 1997/12/15 23:55:02 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 1.27 1997/12/12 21:41:30 curt
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// More light/material property tweaking ... still a ways off.
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//
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// Revision 1.26 1997/12/12 19:52:58 curt
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// Working on lightling and material properties.
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//
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// Revision 1.25 1997/12/10 22:37:51 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 1.24 1997/12/08 22:51:18 curt
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// Enhanced to handle ccw and cw tri-stripe winding. This is a temporary
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// admission of defeat. I will eventually go back and get all the stripes
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// wound the same way (ccw).
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//
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// Revision 1.23 1997/11/25 19:25:37 curt
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// Changes to integrate Durk's moon/sun code updates + clean up.
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//
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// Revision 1.22 1997/10/28 21:00:22 curt
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// Changing to new terrain format.
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//
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// Revision 1.21 1997/10/25 03:24:24 curt
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// Incorporated sun, moon, and star positioning code contributed by Durk Talsma.
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//
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// Revision 1.20 1997/10/25 03:18:27 curt
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// Incorporated sun, moon, and planet position and rendering code contributed
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// by Durk Talsma.
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//
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// Revision 1.19 1997/09/05 14:17:30 curt
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// More tweaking with stars.
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//
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// Revision 1.18 1997/09/05 01:35:59 curt
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// Working on getting stars right.
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//
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// Revision 1.17 1997/08/29 17:55:27 curt
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// Worked on properly aligning the stars.
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//
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// Revision 1.16 1997/08/27 21:32:29 curt
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// Restructured view calculation code. Added stars.
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//
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// Revision 1.15 1997/08/27 03:30:32 curt
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// Changed naming scheme of basic shared structures.
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//
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// Revision 1.14 1997/08/25 20:27:24 curt
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// Merged in initial HUD and Joystick code.
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//
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// Revision 1.13 1997/08/22 21:34:41 curt
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// Doing a bit of reorganizing and house cleaning.
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//
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// Revision 1.12 1997/08/19 23:55:08 curt
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// Worked on better simulating real lighting.
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//
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// Revision 1.11 1997/08/13 20:24:22 curt
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// Changed default detail level.
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//
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// Revision 1.10 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 1.9 1997/08/04 17:08:11 curt
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// Testing cvs on IRIX 6.x
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//
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// Revision 1.8 1997/07/18 23:41:27 curt
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// Tweaks for building with Cygnus Win32 compiler.
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//
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// Revision 1.7 1997/07/16 20:04:52 curt
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// Minor tweaks to aid Win32 port.
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//
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// Revision 1.6 1997/07/14 16:26:05 curt
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// Testing/playing -- placed objects randomly across the entire terrain.
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//
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// Revision 1.5 1997/07/11 03:23:19 curt
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// Solved some scenery display/orientation problems. Still have a positioning
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// (or transformation?) problem.
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//
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// Revision 1.4 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 1.3 1997/06/29 21:16:50 curt
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// More twiddling with the Scenery Management system.
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//
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// Revision 1.2 1997/06/27 20:03:37 curt
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// Working on Makefile structure.
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//
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// Revision 1.1 1997/06/27 02:26:30 curt
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// Initial revision.
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//
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