1 /**************************************************************************
2 * scenery.c -- data structures and routines for managing scenery.
4 * Written by Curtis Olson, started May 1997.
6 * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the
11 * License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * (Log is kept at end of this file)
24 **************************************************************************/
32 #include "../XGL/xgl.h"
37 #include "../Include/general.h"
45 /* Temporary hack until we get the scenery management system running */
49 /* Shared structure to hold current scenery parameters */
50 struct fgSCENERY scenery;
53 /* Initialize the Scenery Management system */
54 void fgSceneryInit() {
55 printf("Initializing scenery subsystem\n");
57 /* set the default terrain detail level */
58 scenery.terrain_skip = 6;
62 /* Tell the scenery manager where we are so it can load the proper data, and
63 * build the proper structures. */
64 void fgSceneryUpdate(double lon, double lat, double elev) {
70 /* a hardcoded hack follows */
72 /* this routine should parse the file, and make calls back to the
73 * scenery management system to build the appropriate structures */
75 strcat(path, g->root_dir);
76 strcat(path, "/Scenery/");
77 strcat(path, "mesa-e.obj");
79 printf(" Loading Scenery: %s\n", path);
81 area_terrain = fgObjLoad(path);
85 /* Render out the current scene */
86 void fgSceneryRender() {
87 static GLfloat terrain_color[4] = { 0.6, 0.8, 0.4, 1.0 };
88 static GLfloat terrain_ambient[4];
89 static GLfloat terrain_diffuse[4];
92 for ( i = 0; i < 4; i++ ) {
93 terrain_ambient[i] = terrain_color[i] * 0.5;
94 terrain_diffuse[i] = terrain_color[i];
97 xglMaterialfv(GL_FRONT, GL_AMBIENT, terrain_ambient);
98 xglMaterialfv(GL_FRONT, GL_DIFFUSE, terrain_diffuse);
100 xglCallList(area_terrain);
105 /* Revision 1.29 1997/12/30 20:47:52 curt
106 /* Integrated new event manager with subsystem initializations.
108 * Revision 1.28 1997/12/15 23:55:02 curt
109 * Add xgl wrappers for debugging.
110 * Generate terrain normals on the fly.
112 * Revision 1.27 1997/12/12 21:41:30 curt
113 * More light/material property tweaking ... still a ways off.
115 * Revision 1.26 1997/12/12 19:52:58 curt
116 * Working on lightling and material properties.
118 * Revision 1.25 1997/12/10 22:37:51 curt
119 * Prepended "fg" on the name of all global structures that didn't have it yet.
120 * i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
122 * Revision 1.24 1997/12/08 22:51:18 curt
123 * Enhanced to handle ccw and cw tri-stripe winding. This is a temporary
124 * admission of defeat. I will eventually go back and get all the stripes
125 * wound the same way (ccw).
127 * Revision 1.23 1997/11/25 19:25:37 curt
128 * Changes to integrate Durk's moon/sun code updates + clean up.
130 * Revision 1.22 1997/10/28 21:00:22 curt
131 * Changing to new terrain format.
133 * Revision 1.21 1997/10/25 03:24:24 curt
134 * Incorporated sun, moon, and star positioning code contributed by Durk Talsma.
136 * Revision 1.20 1997/10/25 03:18:27 curt
137 * Incorporated sun, moon, and planet position and rendering code contributed
140 * Revision 1.19 1997/09/05 14:17:30 curt
141 * More tweaking with stars.
143 * Revision 1.18 1997/09/05 01:35:59 curt
144 * Working on getting stars right.
146 * Revision 1.17 1997/08/29 17:55:27 curt
147 * Worked on properly aligning the stars.
149 * Revision 1.16 1997/08/27 21:32:29 curt
150 * Restructured view calculation code. Added stars.
152 * Revision 1.15 1997/08/27 03:30:32 curt
153 * Changed naming scheme of basic shared structures.
155 * Revision 1.14 1997/08/25 20:27:24 curt
156 * Merged in initial HUD and Joystick code.
158 * Revision 1.13 1997/08/22 21:34:41 curt
159 * Doing a bit of reorganizing and house cleaning.
161 * Revision 1.12 1997/08/19 23:55:08 curt
162 * Worked on better simulating real lighting.
164 * Revision 1.11 1997/08/13 20:24:22 curt
165 * Changed default detail level.
167 * Revision 1.10 1997/08/06 00:24:30 curt
168 * Working on correct real time sun lighting.
170 * Revision 1.9 1997/08/04 17:08:11 curt
171 * Testing cvs on IRIX 6.x
173 * Revision 1.8 1997/07/18 23:41:27 curt
174 * Tweaks for building with Cygnus Win32 compiler.
176 * Revision 1.7 1997/07/16 20:04:52 curt
177 * Minor tweaks to aid Win32 port.
179 * Revision 1.6 1997/07/14 16:26:05 curt
180 * Testing/playing -- placed objects randomly across the entire terrain.
182 * Revision 1.5 1997/07/11 03:23:19 curt
183 * Solved some scenery display/orientation problems. Still have a positioning
184 * (or transformation?) problem.
186 * Revision 1.4 1997/07/11 01:30:03 curt
187 * More tweaking of terrian floor.
189 * Revision 1.3 1997/06/29 21:16:50 curt
190 * More twiddling with the Scenery Management system.
192 * Revision 1.2 1997/06/27 20:03:37 curt
193 * Working on Makefile structure.
195 * Revision 1.1 1997/06/27 02:26:30 curt