/**************************************************************************
- * GLmain.c -- top level sim routines
+ * GLUTmain.c -- top level sim routines
*
* Written by Curtis Olson for OpenGL, started May 1997.
*
#include "GLUTkey.h"
#endif
+#include "fg_init.h"
+
#include "../constants.h"
+#include "../general.h"
#include "../Aircraft/aircraft.h"
-#include "../Scenery/mesh.h"
-#include "../Scenery/scenery.h"
+#include "../Cockpit/cockpit.h"
+#include "../Joystick/joystick.h"
#include "../Math/fg_geodesy.h"
-#include "../Math/fg_random.h"
#include "../Math/mat3.h"
#include "../Math/polar.h"
+#include "../Scenery/mesh.h"
+#include "../Scenery/scenery.h"
#include "../Time/fg_time.h"
#include "../Time/fg_timer.h"
#include "../Time/sunpos.h"
/* This is a record containing all the info for the aircraft currently
being operated */
-struct aircraft_params current_aircraft;
+struct AIRCRAFT current_aircraft;
+
+/* This is a record containing global housekeeping information */
+struct GENERAL general;
+
+/* This is a record containing current weather info */
+struct WEATHER current_weather;
/* view parameters */
static GLfloat win_ratio = 1.0;
/* static GLint scenery, runway; */
/* Another hack */
-double fogDensity = 60000.0; /* in meters */
double view_offset = 0.0;
double goal_view_offset = 0.0;
-/* Another hack */
-#define DEFAULT_TIMER_HZ 20
-#define DEFAULT_MULTILOOP 6
-#define DEFAULT_MODEL_HZ (DEFAULT_TIMER_HZ * DEFAULT_MULTILOOP)
-
double Simtime;
/* Another hack */
int use_signals = 0;
+/* Yet another hack. This one used by the HUD code. Michele */
+int show_hud;
+
/**************************************************************************
* fgInitVisuals() -- Initialize various GL/view parameters
**************************************************************************/
static void fgInitVisuals() {
+ struct WEATHER *w;
+
+ w = ¤t_weather;
+
glEnable( GL_DEPTH_TEST );
/* glFrontFace(GL_CW); */
glEnable( GL_CULL_FACE );
glEnable( GL_FOG );
glFogi (GL_FOG_MODE, GL_LINEAR);
/* glFogf (GL_FOG_START, 1.0); */
- glFogf (GL_FOG_END, fogDensity);
+ glFogf (GL_FOG_END, w->visibility);
glFogfv (GL_FOG_COLOR, fgFogColor);
- /* glFogf (GL_FOG_DENSITY, fogDensity); */
+ /* glFogf (GL_FOG_DENSITY, w->visibility); */
/* glHint (GL_FOG_HINT, GL_FASTEST); */
glClearColor(fgClearColor[0], fgClearColor[1], fgClearColor[2],
static void fgUpdateViewParams() {
struct fgCartesianPoint view_pos /*, alt_up */;
- struct flight_params *f;
- struct time_params *t;
+ struct FLIGHT *f;
+ struct fgTIME *t;
MAT3mat R, TMP, UP, LOCAL, VIEW;
MAT3vec vec, view_up, forward, view_forward, local_up, nup, nsun;
double sun_angle, temp, ambient, diffuse, sky;
/* draw scenery */
fgSceneryRender();
+ /* display HUD */
+ if( show_hud ) {
+ fgCockpitUpdate();
+ /* fgUpdateHUD(); */
+ }
+
#ifdef GLUT
glutSwapBuffers();
#endif
**************************************************************************/
void fgUpdateTimeDepCalcs(int multi_loop) {
- struct flight_params *f;
- struct time_params *t;
+ struct FLIGHT *f;
+ struct fgTIME *t;
int i;
f = ¤t_aircraft.flight;
static void fgMainLoop( void ) {
static int remainder = 0;
int elapsed, multi_loop;
- double rough_elev;
- struct flight_params *f;
+ double cur_elev;
+ double joy_x, joy_y;
+ int joy_b1, joy_b2;
+ struct FLIGHT *f;
f = ¤t_aircraft.flight;
+ /* Read joystick */
+ /* fgJoystickRead( &joy_x, &joy_y, &joy_b1, &joy_b2 ); */
+ /* printf( "Joystick X %f Y %f B1 %d B2 %d\n",
+ joy_x, joy_y, joy_b1, joy_b2 );
+ fgElevSet( -joy_y );
+ fgAileronSet( joy_x ); */
+
+ /* update the weather for our current position */
+ fgWeatherUpdate(FG_Longitude * RAD_TO_ARCSEC,
+ FG_Latitude * RAD_TO_ARCSEC,
+ FG_Altitude * FEET_TO_METER);
+
+ /* Calculate model iterations needed */
elapsed = fgGetTimeInterval();
printf("Time interval is = %d, previous remainder is = %d\n", elapsed,
remainder);
printf("Model iterations needed = %d, new remainder = %d\n", multi_loop,
remainder);
- aircraft_debug(1);
- fgUpdateVisuals();
-
if ( ! use_signals ) {
/* flight model */
fgUpdateTimeDepCalcs(multi_loop);
/* I'm just sticking this here for now, it should probably move
* eventually */
- rough_elev = mesh_altitude(FG_Longitude * RAD_TO_ARCSEC,
+ cur_elev = mesh_altitude(FG_Longitude * RAD_TO_ARCSEC,
FG_Latitude * RAD_TO_ARCSEC);
- printf("Ground elevation is %.2f meters here.\n", rough_elev);
- /* FG_Runway_altitude = rough_elev * METER_TO_FEET; */
+ printf("Ground elevation is %.2f meters here.\n", cur_elev);
+ /* FG_Runway_altitude = cur_elev * METER_TO_FEET; */
- if ( FG_Altitude * FEET_TO_METER < rough_elev + 3.758099) {
+ if ( FG_Altitude * FEET_TO_METER < cur_elev + 3.758099) {
/* set this here, otherwise if we set runway height above our
current height we get a really nasty bounce. */
FG_Runway_altitude = FG_Altitude - 3.758099;
/* now set aircraft altitude above ground */
- FG_Altitude = rough_elev * METER_TO_FEET + 3.758099;
+ FG_Altitude = cur_elev * METER_TO_FEET + 3.758099;
printf("<*> resetting altitude to %.0f meters\n",
FG_Altitude * FEET_TO_METER);
}
- /* update the weather for our current position */
- fgWeatherUpdate(FG_Longitude * RAD_TO_ARCSEC,
- FG_Latitude * RAD_TO_ARCSEC,
- FG_Altitude * FEET_TO_METER);
+ aircraft_debug(1);
+
+ /* redraw display */
+ fgUpdateVisuals();
}
**************************************************************************/
int main( int argc, char *argv[] ) {
- struct flight_params *f;
- double rough_elev;
+ struct FLIGHT *f;
f = ¤t_aircraft.flight;
- printf("Flight Gear: prototype code to test OpenGL, LaRCsim, and VRML\n\n");
-
+ printf("Flight Gear: prototype version %s\n\n", VERSION);
/**********************************************************************
* Initialize the Window/Graphics environment.
glutCreateWindow("Flight Gear");
#endif
- /* seed the random number generater */
- fg_srandom();
+ /* This is the general house keeping init routine */
+ fgInitGeneral();
+
+ /* This is the top level init routine which calls all the other
+ * subsystem initialization routines. If you are adding a
+ * subsystem to flight gear, its initialization call should
+ * located in this routine.*/
+ fgInitSubsystems();
/* setup view parameters, only makes GL calls */
fgInitVisuals();
-
- /****************************************************************
- * The following section sets up the flight model EOM parameters and
- * should really be read in from one or more files.
- ****************************************************************/
-
- /* Globe Aiport, AZ */
- FG_Runway_altitude = 3234.5;
- FG_Runway_latitude = 120070.41;
- FG_Runway_longitude = -398391.28;
- FG_Runway_heading = 102.0 * DEG_TO_RAD;
-
- /* Initial Position at GLOBE airport */
- FG_Latitude = ( 120070.41 / 3600.0 ) * DEG_TO_RAD;
- FG_Longitude = ( -398391.28 / 3600.0 ) * DEG_TO_RAD;
- FG_Altitude = FG_Runway_altitude + 3.758099;
-
- /* Initial Position north of the city of Globe */
- /* FG_Latitude = ( 120625.64 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Longitude = ( -398673.28 / 3600.0 ) * DEG_TO_RAD; */
- /* FG_Altitude = 0.0 + 3.758099; */
-
- printf("Initial position is: (%.4f, %.4f, %.2f)\n", FG_Latitude,
- FG_Longitude, FG_Altitude);
-
- /* Initial Velocity */
- FG_V_north = 0.0 /* 7.287719E+00 */;
- FG_V_east = 0.0 /* 1.521770E+03 */;
- FG_V_down = 0.0 /* -1.265722E-05 */;
-
- /* Initial Orientation */
- FG_Phi = -2.658474E-06;
- FG_Theta = 7.401790E-03;
- FG_Psi = 270.0 * DEG_TO_RAD;
- /* FG_Psi = 0.0 * DEG_TO_RAD; */
-
- /* Initial Angular B rates */
- FG_P_body = 7.206685E-05;
- FG_Q_body = 0.000000E+00;
- FG_R_body = 9.492658E-05;
-
- FG_Earth_position_angle = 0.000000E+00;
-
- /* Mass properties and geometry values */
- FG_Mass = 8.547270E+01;
- FG_I_xx = 1.048000E+03;
- FG_I_yy = 3.000000E+03;
- FG_I_zz = 3.530000E+03;
- FG_I_xz = 0.000000E+00;
-
- /* CG position w.r.t. ref. point */
- FG_Dx_cg = 0.000000E+00;
- FG_Dy_cg = 0.000000E+00;
- FG_Dz_cg = 0.000000E+00;
-
- /* Set initial position and slew parameters */
- /* fgSlewInit(-398391.3, 120070.41, 244, 3.1415); */ /* GLOBE Airport */
- /* fgSlewInit(-335340,162540, 15, 4.38); */
- /* fgSlewInit(-398673.28,120625.64, 53, 4.38); */
-
- /* Initialize the Scenery Management system */
- fgSceneryInit();
-
- /* Tell the Scenery Management system where we are so it can load
- * the correct scenery data */
- fgSceneryUpdate(FG_Latitude, FG_Longitude, FG_Altitude);
-
- /* I'm just sticking this here for now, it should probably move
- * eventually */
- rough_elev = mesh_altitude(FG_Longitude * RAD_TO_DEG * 3600.0,
- FG_Latitude * RAD_TO_DEG * 3600.0);
- printf("Ground elevation is %.2f meters here.\n", rough_elev);
- if ( rough_elev > -9990.0 ) {
- FG_Runway_altitude = rough_elev * METER_TO_FEET;
- }
-
- if ( FG_Altitude < FG_Runway_altitude ) {
- FG_Altitude = FG_Runway_altitude + 3.758099;
- }
- /* end of thing that I just stuck in that I should probably move */
-
- /* Initialize the flight model data structures base on above values */
- fgFlightModelInit( FG_LARCSIM, f, 1.0 / DEFAULT_MODEL_HZ );
-
if ( use_signals ) {
/* init timer routines, signals, etc. Arrange for an alarm
signal to be generated, etc. */
fgInitTimeDepCalcs();
}
- /* Initialize the weather modeling subsystem */
- fgWeatherInit();
-
- /**********************************************************************
+ /**********************************************************************
* Initialize the Event Handlers.
**********************************************************************/
/* $Log$
-/* Revision 1.8 1997/08/19 23:55:03 curt
-/* Worked on better simulating real lighting.
+/* Revision 1.11 1997/08/27 03:30:16 curt
+/* Changed naming scheme of basic shared structures.
/*
+ * Revision 1.10 1997/08/25 20:27:22 curt
+ * Merged in initial HUD and Joystick code.
+ *
+ * Revision 1.9 1997/08/22 21:34:39 curt
+ * Doing a bit of reorganizing and house cleaning.
+ *
+ * Revision 1.8 1997/08/19 23:55:03 curt
+ * Worked on better simulating real lighting.
+ *
* Revision 1.7 1997/08/16 12:22:38 curt
* Working on improving the lighting/shading.
*
projects / flightgear.git / blobdiff