/* -*- Mode: C++ -*- * * scenery.c -- 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) **************************************************************************/ #ifdef HAVE_CONFIG_H # include #endif #ifdef HAVE_WINDOWS_H # include #endif #include #include #include #include #include #include #include #include #include /* Temporary hack until we get a better texture management system running */ GLint area_texture; /* Shared structure to hold current scenery parameters */ struct fgSCENERY scenery; /* Initialize the Scenery Management system */ int fgSceneryInit( void ) { fgGENERAL *g; char path[1024], fgpath[1024]; GLubyte *texbuf; int width, height; g = &general; fgPrintf(FG_TERRAIN, FG_INFO, "Initializing scenery subsystem\n"); /* set the default terrain detail level */ // scenery.terrain_skip = 6; /* temp: load in a demo texture */ path[0] = '\0'; strcat(path, g->root_dir); strcat(path, "/Textures/"); strcat(path, "desert.rgb"); // Try uncompressed if ( (texbuf = read_rgb_texture(path, &width, &height)) == NULL ) { // Try compressed strcpy(fgpath, path); strcat(fgpath, ".gz"); if ( (texbuf = read_rgb_texture(fgpath, &width, &height)) == NULL ) { fgPrintf( FG_GENERAL, FG_EXIT, "Error in loading texture %s\n", path ); return(0); } } xglTexImage2D(GL_TEXTURE_2D, 0, 3, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, texbuf); return(1); } /* 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) { fgGENERAL *g; double max_radius; char path[1024]; g = &general; /* a hardcoded hack follows */ /* this routine should parse the file, and make calls back to the * scenery management system to build the appropriate structures */ path[0] = '\0'; strcat(path, g->root_dir); strcat(path, "/Scenery/"); strcat(path, "mesa-e.obj"); // fgPrintf(FG_TERRAIN, FG_DEBUG, " Loading Scenery: %s\n", path); // area_terrain = fgObjLoad(path, &scenery.center, &max_radius); } /* Render out the current scene */ void fgSceneryRender( void ) { } /* $Log$ /* Revision 1.3 1998/05/07 23:15:20 curt /* Fixed a glTexImage2D() usage bug where width and height were mis-swapped. /* Added support for --tile-radius=n option. /* * Revision 1.2 1998/05/02 01:52:16 curt * Playing around with texture coordinates. * * Revision 1.1 1998/04/30 12:35:30 curt * Added a command line rendering option specify smooth/flat shading. * * Revision 1.42 1998/04/28 21:43:27 curt * Wrapped zlib calls up so we can conditionally comment out zlib support. * * Revision 1.41 1998/04/24 00:51:08 curt * Wrapped "#include " in "#ifdef HAVE_CONFIG_H" * Tweaked the scenery file extentions to be "file.obj" (uncompressed) * or "file.obz" (compressed.) * * Revision 1.40 1998/04/18 04:14:06 curt * Moved fg_debug.c to it's own library. * * Revision 1.39 1998/04/08 23:30:07 curt * Adopted Gnu automake/autoconf system. * * Revision 1.38 1998/04/03 22:11:37 curt * Converting to Gnu autoconf system. * * Revision 1.37 1998/03/23 21:23:05 curt * Debugging output tweaks. * * Revision 1.36 1998/03/14 00:30:50 curt * Beginning initial terrain texturing experiments. * * Revision 1.35 1998/01/31 00:43:26 curt * Added MetroWorks patches from Carmen Volpe. * * Revision 1.34 1998/01/27 03:26:43 curt * Playing with new fgPrintf command. * * Revision 1.33 1998/01/19 19:27:17 curt * Merged in make system changes from Bob Kuehne * This should simplify things tremendously. * * Revision 1.32 1998/01/19 18:40:37 curt * Tons of little changes to clean up the code and to remove fatal errors * when building with the c++ compiler. * * Revision 1.31 1998/01/13 00:23:11 curt * Initial changes to support loading and management of scenery tiles. Note, * there's still a fair amount of work left to be done. * * Revision 1.30 1998/01/07 03:22:29 curt * Moved astro stuff to .../Src/Astro/ * * Revision 1.29 1997/12/30 20:47:52 curt * Integrated new event manager with subsystem initializations. * * Revision 1.28 1997/12/15 23:55:02 curt * Add xgl wrappers for debugging. * Generate terrain normals on the fly. * * Revision 1.27 1997/12/12 21:41:30 curt * More light/material property tweaking ... still a ways off. * * Revision 1.26 1997/12/12 19:52:58 curt * Working on lightling and material properties. * * Revision 1.25 1997/12/10 22:37:51 curt * Prepended "fg" on the name of all global structures that didn't have it yet. * i.e. "struct WEATHER {}" became "struct fgWEATHER {}" * * Revision 1.24 1997/12/08 22:51:18 curt * Enhanced to handle ccw and cw tri-stripe winding. This is a temporary * admission of defeat. I will eventually go back and get all the stripes * wound the same way (ccw). * * Revision 1.23 1997/11/25 19:25:37 curt * Changes to integrate Durk's moon/sun code updates + clean up. * * Revision 1.22 1997/10/28 21:00:22 curt * Changing to new terrain format. * * Revision 1.21 1997/10/25 03:24:24 curt * Incorporated sun, moon, and star positioning code contributed by Durk Talsma. * * Revision 1.20 1997/10/25 03:18:27 curt * Incorporated sun, moon, and planet position and rendering code contributed * by Durk Talsma. * * Revision 1.19 1997/09/05 14:17:30 curt * More tweaking with stars. * * Revision 1.18 1997/09/05 01:35:59 curt * Working on getting stars right. * * Revision 1.17 1997/08/29 17:55:27 curt * Worked on properly aligning the stars. * * Revision 1.16 1997/08/27 21:32:29 curt * Restructured view calculation code. Added stars. * * Revision 1.15 1997/08/27 03:30:32 curt * Changed naming scheme of basic shared structures. * * Revision 1.14 1997/08/25 20:27:24 curt * Merged in initial HUD and Joystick code. * * Revision 1.13 1997/08/22 21:34:41 curt * Doing a bit of reorganizing and house cleaning. * * Revision 1.12 1997/08/19 23:55:08 curt * Worked on better simulating real lighting. * * Revision 1.11 1997/08/13 20:24:22 curt * Changed default detail level. * * Revision 1.10 1997/08/06 00:24:30 curt * Working on correct real time sun lighting. * * Revision 1.9 1997/08/04 17:08:11 curt * Testing cvs on IRIX 6.x * * Revision 1.8 1997/07/18 23:41:27 curt * Tweaks for building with Cygnus Win32 compiler. * * Revision 1.7 1997/07/16 20:04:52 curt * Minor tweaks to aid Win32 port. * * Revision 1.6 1997/07/14 16:26:05 curt * Testing/playing -- placed objects randomly across the entire terrain. * * Revision 1.5 1997/07/11 03:23:19 curt * Solved some scenery display/orientation problems. Still have a positioning * (or transformation?) problem. * * Revision 1.4 1997/07/11 01:30:03 curt * More tweaking of terrian floor. * * Revision 1.3 1997/06/29 21:16:50 curt * More twiddling with the Scenery Management system. * * Revision 1.2 1997/06/27 20:03:37 curt * Working on Makefile structure. * * Revision 1.1 1997/06/27 02:26:30 curt * Initial revision. * */