-/**************************************************************************
+/* -*- Mode: C++ -*-
+ *
* fg_init.c -- Flight Gear top level initialization routines
*
* Written by Curtis Olson, started August 1997.
* 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)
**************************************************************************/
#include <Main/fg_init.h>
#include <Main/views.h>
+#include <Include/cmdargs.h>
#include <Include/fg_constants.h>
#include <Include/general.h>
extern int show_hud; /* HUD state */
extern int displayInstruments;
-
+extern const char *default_root;
/* General house keeping initializations */
-void fgInitGeneral( void ) {
- struct fgGENERAL *g;
+int fgInitGeneral( void ) {
+ fgGENERAL *g;
g = &general;
/* seed the random number generater */
fg_srandom();
- /* determine the fg root path */
- if ( (g->root_dir = getenv("FG_ROOT")) == NULL ) {
- /* environment variable not defined */
- fgPrintf(FG_GENERAL, FG_EXIT, "FG_ROOT needs to be defined! "
- "See the documentation.\n");
- }
+ // determine the fg root path. The command line parser getargs() will
+ // fill in a root directory if the option was used.
+
+ if( !(g->root_dir) ) {
+ // If not set by command line test for environmental var..
+ g->root_dir = getenv("FG_ROOT");
+ if ( !g->root_dir ) {
+ // No root path set? Then assume, we will exit if this is
+ // wrong when looking for support files.
+ g->root_dir = (char *)DefaultRootDir;
+ }
+ }
fgPrintf( FG_GENERAL, FG_INFO, "FG_ROOT = %s\n\n", g->root_dir);
+
+ // Dummy value can be changed if future initializations
+ // fail a critical task.
+ return ( 0 /* FALSE */ );
}
-/* This is the top level init routine which calls all the other
- * initialization routines. If you are adding a subsystem to flight
- * gear, its initialization call should located in this routine.*/
+// This is the top level init routine which calls all the other
+// initialization routines. If you are adding a subsystem to flight
+// gear, its initialization call should located in this routine.
+// Returns non-zero if a problem encountered.
-void fgInitSubsystems( void ) {
+int fgInitSubsystems( void ) {
double cur_elev;
+ // Ok will be flagged only if we get EVERYTHING done.
+ int ret_val = 1 /* TRUE */;
+
fgFLIGHT *f;
struct fgLIGHT *l;
struct fgTIME *t;
fgPrintf( FG_GENERAL, FG_INFO, "========== ==========\n");
/****************************************************************
- * The following section sets up the flight model EOM parameters and
+ * The following section sets up the flight model EOM parameters and
* should really be read in from one or more files.
****************************************************************/
/* Must happen before any of the flight model or control
* parameters are set */
- fgAircraftInit();
- f = current_aircraft.flight;
- /* Globe Aiport, AZ */
- FG_Runway_longitude = -398391.28;
- FG_Runway_latitude = 120070.41;
- FG_Runway_altitude = 3234.5;
- FG_Runway_heading = 102.0 * DEG_TO_RAD;
+ fgAircraftInit(); // In the future this might not be the case.
+ f = current_aircraft.flight;
- /* Initial Position at (P13) Globe, AZ */
- FG_Longitude = ( -398391.28 / 3600.0 ) * DEG_TO_RAD;
- FG_Latitude = ( 120070.41 / 3600.0 ) * DEG_TO_RAD;
+ // Initial Position at (P13) Globe, AZ
+ FG_Longitude = ( -110.6642444 ) * DEG_TO_RAD;
+ FG_Latitude = ( 33.3528917 ) * DEG_TO_RAD;
FG_Runway_altitude = (3234.5 + 300);
FG_Altitude = FG_Runway_altitude + 3.758099;
- /* Initial Position at (E81) Superior, AZ */
- /* FG_Longitude = ( -111.1270650 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 33.2778339 ) * DEG_TO_RAD; */
- /* FG_Runway_altitude = (2646 + 500); */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
-
- /* Initial Position at (TUS) Tucson, AZ */
- /* FG_Longitude = ( -110.9412597 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 32.1162439 ) * DEG_TO_RAD; */
- /* FG_Runway_altitude = (2641 + 0); */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
-
- /* Initial Position at near Anchoraze, AK */
- /* FG_Longitude = ( -150.00 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 61.17 ) * DEG_TO_RAD; */
- /* FG_Runway_altitude = (2641 + 07777); */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
-
- /* Initial Position at (SEZ) SEDONA airport */
- /* FG_Longitude = (-111.7884614 + 0.02) * DEG_TO_RAD; */
- /* FG_Latitude = ( 34.8486289 - 0.04) * DEG_TO_RAD; */
- /* FG_Runway_altitude = (4827 + 800); */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
+ // Initial Position at (E81) Superior, AZ
+ // FG_Longitude = ( -111.1270650 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 33.2778339 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = (2646 + 100);
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position at (TUS) Tucson, AZ
+ // FG_Longitude = ( -110.9412597 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 32.1162439 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = (2641 + 0);
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position at (SEZ) SEDONA airport
+ // FG_Longitude = (-111.7884614 + 0.01) * DEG_TO_RAD;
+ // FG_Latitude = ( 34.8486289 - 0.015) * DEG_TO_RAD;
+ // FG_Runway_altitude = (4827 + 450);
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
- /* Initial Position at (HSP) Hot Springs, VA */
- /* FG_Longitude = (-79.8338964 + 0.02) * DEG_TO_RAD; */
- /* FG_Latitude = ( 37.9514564 + 0.05) * DEG_TO_RAD; */
- /* FG_Runway_altitude = (792 + 1500); */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
+ // Initial Position at near Anchoraze, AK
+ // FG_Longitude = ( -152.00 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 61.17 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = (0);
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position at (HSP) Hot Springs, VA
+ // FG_Longitude = (-79.8338964 + 0.01) * DEG_TO_RAD;
+ // FG_Latitude = ( 37.9514564 + 0.008) * DEG_TO_RAD;
+ // FG_Runway_altitude = (3792 + 1300);
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
- /* Initial Position at (ANE) Anoka County airport */
- /* FG_Longitude = -93.2113889 * DEG_TO_RAD; */
- /* FG_Latitude = 45.145 * DEG_TO_RAD; */
- /* FG_Runway_altitude = 912; */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
-
- /* Initial Position north of the city of Globe */
- /* FG_Longitude = ( -398673.28 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 120625.64 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Longitude = ( -397867.44 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 119548.21 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Altitude = 0.0 + 3.758099; */
-
- /* Initial Posisition near where I used to live in Globe, AZ */
- /* FG_Longitude = ( -398757.6 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 120160.0 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Runway_altitude = 5000.0; */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
-
- /* Initial Position: 10125 Jewell St. NE */
- /* FG_Longitude = ( -93.15 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 45.15 ) * DEG_TO_RAD; */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
-
- /* Initial Position: Somewhere near the Grand Canyon */
- /* FG_Longitude = ( -112.5 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 36.5 ) * DEG_TO_RAD; */
- /* FG_Runway_altitude = 5000.0; */
- /* FG_Altitude = FG_Runway_altitude + 3.758099; */
-
- /* A random test position */
- /* FG_Longitude = ( 88128.00 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Latitude = ( 93312.00 / 3600.0 ) * DEG_TO_RAD; */
+ // Initial Position at (ANE) Anoka County airport
+ // FG_Longitude = -93.2113889 * DEG_TO_RAD;
+ // FG_Latitude = 45.145 * DEG_TO_RAD;
+ // FG_Runway_altitude = 912;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position north of the city of Globe
+ // FG_Longitude = ( -398673.28 / 3600.0 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 120625.64 / 3600.0 ) * DEG_TO_RAD;
+ // FG_Longitude = ( -397867.44 / 3600.0 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 119548.21 / 3600.0 ) * DEG_TO_RAD;
+ // FG_Altitude = 0.0 + 3.758099;
+
+ // Initial Position near where I used to live in Globe, AZ
+ // FG_Longitude = ( -398757.6 / 3600.0 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 120160.0 / 3600.0 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 4000.0;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position: 10125 Jewell St. NE
+ // FG_Longitude = ( -93.15 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 45.15 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 950.0;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position: Somewhere near the Grand Canyon
+ // FG_Longitude = ( -112.5 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 36.5 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 8000.0;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position: (GCN) Grand Canyon Airport, AZ
+ // FG_Longitude = ( -112.1469647 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 35.9523539 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 6606.0;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position: Jim Brennon's Kingmont Observatory
+ // FG_Longitude = ( -121.1131667 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 38.8293917 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 920.0;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // probably interesting for european team members
+ // That is: If I can get the scenery to work -;) (Durk)
+
+ // Initial Position: Groningen Airport Eelde, the netherlands
+ // FG_Longitude = ( 6.583333 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 53.125 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 920.0;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Initial Position: Schiphol Amsterdam Airport, the netherlands
+ // FG_Longitude = ( -4.7641667 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 52.308056 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 920.0;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Eclipse Watching w73.5 n10 (approx) 18:00 UT
+ // FG_Longitude = ( -73.5 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 10.0 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 0.0;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // Test Position
+ // FG_Longitude = ( -139.5 ) * DEG_TO_RAD;
+ // FG_Latitude = ( -9.5 ) * DEG_TO_RAD;
+ // FG_Runway_altitude = 13000.0 * METER_TO_FEET;
+ // FG_Altitude = FG_Runway_altitude + 3.758099;
+
+ // A random test position
+ // FG_Longitude = ( 88128.00 / 3600.0 ) * DEG_TO_RAD;
+ // FG_Latitude = ( 93312.00 / 3600.0 ) * DEG_TO_RAD;
fgPrintf( FG_GENERAL, FG_INFO,
"Initial position is: (%.4f, %.4f, %.2f)\n",
/* Initial Orientation */
FG_Phi = -2.658474E-06;
FG_Theta = 7.401790E-03;
- FG_Psi = 270.0 * DEG_TO_RAD;
+ FG_Psi = 260.0 * DEG_TO_RAD;
/* Initial Angular B rates */
FG_P_body = 7.206685E-05;
fgEventInit();
/* Dump event stats every 60 seconds */
- fgEventRegister( "fgEventPrintStats()", fgEventPrintStats,
+ fgEventRegister( "fgEventPrintStats()", fgEventPrintStats,
FG_EVENT_READY, 60000 );
/* Initialize "time" */
fgViewInit(v);
fgViewUpdate(f, v, l);
- /* Initialize shared sun position and sun_vec */
- fgEventRegister( "fgUpdateSunPos()", fgUpdateSunPos, FG_EVENT_READY, 1000 );
-
/* Initialize the weather modeling subsystem */
fgWeatherInit();
/* update the weather for our current position */
- fgEventRegister( "fgWeatherUpdate()", fgWeatherUpdate,
+ fgEventRegister( "fgWeatherUpdate()", fgWeatherUpdate,
FG_EVENT_READY, 120000 );
/* Initialize the Cockpit subsystem */
- if( fgCockpitInit( ¤t_aircraft ) == NULL ) {
+ if( fgCockpitInit( ¤t_aircraft )) {
+ // Cockpit initialized ok.
+ } else {
fgPrintf( FG_GENERAL, FG_EXIT, "Error in Cockpit initialization!\n" );
}
- /* Initialize the orbital elements of sun, moon and mayor planets */
+ // Initialize the orbital elements of sun, moon and mayor planets
fgSolarSystemInit(*t);
- /* Initialize the Stars subsystem */
- fgStarsInit();
+ // Initialize the Stars subsystem
+ if( fgStarsInit() ) {
+ // Stars initialized ok.
+ } else {
+ fgPrintf( FG_GENERAL, FG_EXIT, "Error in Stars initialization!\n" );
+ }
- /* Initialize the planetary subsystem */
+ // Initialize the planetary subsystem
fgEventRegister("fgPlanetsInit()", fgPlanetsInit, FG_EVENT_READY, 600000);
- /* Initialize the sun's position */
- fgEventRegister( "fgSunInit()", fgSunInit, FG_EVENT_READY, 60000 );
+ // Initialize the sun's position
+ fgEventRegister("fgSunInit()", fgSunInit, FG_EVENT_READY, 30000 );
- /* Intialize the moon's position */
+ // Intialize the moon's position
fgEventRegister( "fgMoonInit()", fgMoonInit, FG_EVENT_READY, 600000 );
- /* Initialize the "sky" */
+ // Initialize the "sky"
fgSkyInit();
- /* Initialize the Scenery Management subsystem */
- fgTileMgrInit();
- /* fgSceneryInit(); */
-
- /* Tell the Scenery Management system where we are so it can load
- * the correct scenery data */
- fgTileMgrUpdate();
- /* fgSceneryUpdate(FG_Latitude, FG_Longitude, FG_Altitude); */
-
- /* I'm just sticking this here for now, it should probably move
- * eventually */
- /* cur_elev = mesh_altitude(FG_Longitude * RAD_TO_DEG * 3600.0,
- FG_Latitude * RAD_TO_DEG * 3600.0); */
- /* fgPrintf( FG_GENERAL, FG_INFO,
- "True ground elevation is %.2f meters here.\n",
- cur_elev); */
+ // Initialize the Scenery Management subsystem
+ if ( fgSceneryInit() ) {
+ // Scenery initialized ok.
+ } else {
+ fgPrintf( FG_GENERAL, FG_EXIT, "Error in Scenery initialization!\n" );
+ }
+
+
+ if( fgTileMgrInit() ) {
+ // Load the local scenery data
+ fgTileMgrUpdate();
+ } else {
+ fgPrintf( FG_GENERAL, FG_EXIT,
+ "Error in Tile Manager initialization!\n" );
+ }
+
+ // I'm just sticking this here for now, it should probably move
+ // eventually
+ // cur_elev = mesh_altitude(FG_Longitude * RAD_TO_DEG * 3600.0,
+ // FG_Latitude * RAD_TO_DEG * 3600.0); */
+ // fgPrintf( FG_GENERAL, FG_INFO,
+ // "True ground elevation is %.2f meters here.\n",
+ // cur_elev); */
+
cur_elev = FG_Runway_altitude * FEET_TO_METER;
if ( cur_elev > -9990.0 ) {
FG_Runway_altitude = cur_elev * METER_TO_FEET;
if ( FG_Altitude < FG_Runway_altitude ) {
FG_Altitude = FG_Runway_altitude + 3.758099;
}
+
fgPrintf(FG_GENERAL, FG_INFO,
- "Updated position (after elevation adj): (%.4f, %.4f, %.2f)\n",
- FG_Latitude * RAD_TO_DEG, FG_Longitude * RAD_TO_DEG,
- FG_Altitude * FEET_TO_METER);
- /* end of thing that I just stuck in that I should probably move */
+ "Updated position (after elevation adj): (%.4f, %.4f, %.2f)\n",
+ FG_Latitude * RAD_TO_DEG, FG_Longitude * RAD_TO_DEG,
+ FG_Altitude * FEET_TO_METER);
+ /* end of thing that I just stuck in that I should probably move */
+
/* Initialize the flight model subsystem data structures base on
* above values */
+
fgFlightModelInit( FG_LARCSIM, f, 1.0 / DEFAULT_MODEL_HZ );
- /* To HUD or not to HUD */
- show_hud = 0;
+ // To HUD or not to HUD - Now a command line issue
+ // show_hud = 0;
- /* Let's show the instrument panel */
+ // Let's not show the instrument panel
displayInstruments = 0;
- /* Joystick support */
- fgJoystickInit( 0 );
+ // Joystick support
+ if (fgJoystickInit(0) ) {
+ // Joystick initialized ok.
+ } else {
+ fgPrintf( FG_GENERAL, FG_EXIT, "Error in Joystick initialization!\n" );
+ }
- /* One more try here to get the sky synced up */
+ // One more try here to get the sky synced up
fgSkyColorsInit();
+ ret_val = 0;
fgPrintf(FG_GENERAL, FG_INFO,"\n");
+ return ret_val;
}
/* $Log$
-/* Revision 1.41 1998/02/09 15:07:50 curt
-/* Minor tweaks.
+/* Revision 1.54 1998/04/08 23:35:36 curt
+/* Tweaks to Gnu automake/autoconf system.
/*
+ * Revision 1.53 1998/04/03 22:09:06 curt
+ * Converting to Gnu autoconf system.
+ *
+ * Revision 1.52 1998/03/23 21:24:38 curt
+ * Source code formating tweaks.
+ *
+ * Revision 1.51 1998/03/14 00:31:22 curt
+ * Beginning initial terrain texturing experiments.
+ *
+ * Revision 1.50 1998/03/09 22:46:19 curt
+ * Minor tweaks.
+ *
+ * Revision 1.49 1998/02/23 19:07:59 curt
+ * Incorporated Durk's Astro/ tweaks. Includes unifying the sun position
+ * calculation code between sun display, and other FG sections that use this
+ * for things like lighting.
+ *
+ * Revision 1.48 1998/02/21 14:53:15 curt
+ * Added Charlie's HUD changes.
+ *
+ * Revision 1.47 1998/02/19 13:05:53 curt
+ * Incorporated some HUD tweaks from Michelle America.
+ * Tweaked the sky's sunset/rise colors.
+ * Other misc. tweaks.
+ *
+ * Revision 1.46 1998/02/18 15:07:06 curt
+ * Tweaks to build with SGI OpenGL (and therefor hopefully other accelerated
+ * drivers will work.)
+ *
+ * Revision 1.45 1998/02/16 13:39:43 curt
+ * Miscellaneous weekend tweaks. Fixed? a cache problem that caused whole
+ * tiles to occasionally be missing.
+ *
+ * Revision 1.44 1998/02/12 21:59:50 curt
+ * Incorporated code changes contributed by Charlie Hotchkiss
+ * <chotchkiss@namg.us.anritsu.com>
+ *
+ * Revision 1.43 1998/02/11 02:50:40 curt
+ * Minor changes.
+ *
+ * Revision 1.42 1998/02/09 22:56:58 curt
+ * Removed "depend" files from cvs control. Other minor make tweaks.
+ *
+ * Revision 1.41 1998/02/09 15:07:50 curt
+ * Minor tweaks.
+ *
* Revision 1.40 1998/02/07 15:29:44 curt
* Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
* <chotchkiss@namg.us.anritsu.com>
projects / flightgear.git / blobdiff