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Shufflin' stuff.

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This commit is contained in:
curt 1997-09-04 02:17:18 +00:00
parent a657dc248b
commit b830d97782
16 changed files with 219 additions and 124 deletions
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28
Cockpit/depend
View file

@ -1,6 +1,30 @@
hud.o: cockpit.c cockpit.h hud.c hud.h ../Aircraft/aircraft.h \
cockpit.o: cockpit.c cockpit.h hud.h ../Aircraft/aircraft.h \
../Aircraft/../Flight/flight.h ../Aircraft/../Flight/Slew/slew.h \
../Aircraft/../Flight/LaRCsim/ls_interface.h \
../Aircraft/../Flight/LaRCsim/../flight.h \
../Aircraft/../Controls/controls.h \
../Aircraft/../Controls/../limits.h ../Math/fg_random.h
../Aircraft/../Controls/../limits.h ../Flight/flight.h \
../Controls/controls.h ../constants.h ../Scenery/mesh.h \
../Scenery/scenery.h ../Scenery/../types.h ../Math/mat3.h \
../Math/polar.h ../Math/../types.h ../Time/fg_timer.h \
../Math/fg_random.h ../Weather/weather.h
hud.o: hud.c hud.h ../Aircraft/aircraft.h \
../Aircraft/../Flight/flight.h ../Aircraft/../Flight/Slew/slew.h \
../Aircraft/../Flight/LaRCsim/ls_interface.h \
../Aircraft/../Flight/LaRCsim/../flight.h \
../Aircraft/../Controls/controls.h \
../Aircraft/../Controls/../limits.h ../Flight/flight.h \
../Controls/controls.h ../constants.h ../Scenery/mesh.h \
../Scenery/scenery.h ../Scenery/../types.h ../Math/mat3.h \
../Math/polar.h ../Math/../types.h ../Time/fg_timer.h \
../Math/fg_random.h ../Weather/weather.h
test.o: test.c test.h ../Aircraft/aircraft.h \
../Aircraft/../Flight/flight.h ../Aircraft/../Flight/Slew/slew.h \
../Aircraft/../Flight/LaRCsim/ls_interface.h \
../Aircraft/../Flight/LaRCsim/../flight.h \
../Aircraft/../Controls/controls.h \
../Aircraft/../Controls/../limits.h ../Flight/flight.h \
../Controls/controls.h ../constants.h ../Scenery/mesh.h \
../Scenery/scenery.h ../Scenery/../types.h ../Math/mat3.h \
../Math/polar.h ../Math/../types.h ../Time/fg_timer.h \
../Math/fg_random.h ../Weather/weather.h

27
Cockpit/hud.c
View file

@ -25,8 +25,10 @@
#include <GL/glut.h>
#include <stdlib.h>
#ifndef WIN32
# include <values.h> /* for MAXINT */
#endif /* not WIN32 */
#include "hud.h"
#include "../constants.h"
@ -392,10 +394,10 @@ static void drawhorizon( struct HUD_horizon horizon )
bank_angle = (*horizon.load_value)();
// sin_bank = sin( 2*PI-FG_Phi );
// cos_bank = cos( 2*PI-FG_Phi );
sin_bank = sin(2*PI-bank_angle);
cos_bank = cos(2*PI-bank_angle);
// sin_bank = sin( FG_2PI-FG_Phi );
// cos_bank = cos( FG_2PI-FG_Phi );
sin_bank = sin(FG_2PI-bank_angle);
cos_bank = cos(FG_2PI-bank_angle);
x_inc1 = (int)(horizon.scr_width*cos_bank);
y_inc1 = (int)(horizon.scr_width*sin_bank);
x_inc2 = (int)(horizon.scr_hole*cos_bank);
@ -531,13 +533,13 @@ Hptr fgHUDInit( struct AIRCRAFT current_aircraft, int color )
hud->code = 123;
hud->status = 0;
// For now let's just hardcode a hud here .
// For now lets just hardcode a hud here .
// In the future, hud information has to come from the same place
// aircraft information came
fgHUDAddHorizon( hud, 590, 50, 40, 20, get_roll );
fgHUDAddScale( hud, VERTICAL, 220, 100, 280, 5, 10, LEFT, LEFT, 0, 100, get_speed );
fgHUDAddScale( hud, VERTICAL, 440, 100, 280, 1, 5, RIGHT, RIGHT, -MAXINT, 25, get_aoa );
fgHUDAddScale( hud, VERTICAL, 440, 100, 280, 1, 5, RIGHT, RIGHT, -400, 25, get_aoa );
fgHUDAddScale( hud, HORIZONTAL, 280, 220, 440, 5, 10, TOP, TOP, 0, 50, get_heading );
fgHUDAddLabel( hud, 180, 85, SMALL, NOBLINK, RIGHT_JUST, NULL, " Kts", "%5.0f", get_speed );
fgHUDAddLabel( hud, 180, 73, SMALL, NOBLINK, RIGHT_JUST, NULL, " m", "%5.0f", get_altitude );
@ -546,7 +548,6 @@ Hptr fgHUDInit( struct AIRCRAFT current_aircraft, int color )
return( hud );
}
Hptr fgHUDAddHorizon( Hptr hud, int x_pos, int y_pos, int length, \
int hole_len, double (*load_value)() )
{
@ -683,7 +684,7 @@ Hptr fgHUDAddLadder( Hptr hud, int x_pos, int y_pos, int scr_width, int scr_heig
ladder = (struct HUD_ladder *)calloc(sizeof(struct HUD_ladder),1);
if( ladder == NULL )
return( NULL );
instrument->type = LADDER;
instrument->instr = *ladder;
instrument->instr.ladder.type = 0; // Not used.
@ -702,7 +703,6 @@ Hptr fgHUDAddLadder( Hptr hud, int x_pos, int y_pos, int scr_width, int scr_heig
hud->instruments = instrument;
return( hud );
}
/*
@ -799,7 +799,10 @@ void fgUpdateHUD( Hptr hud )
/* $Log$
/* Revision 1.1 1997/08/29 18:03:22 curt
/* Initial revision.
/* Revision 1.2 1997/09/04 02:17:30 curt
/* Shufflin' stuff.
/*
* Revision 1.1 1997/08/29 18:03:22 curt
* Initial revision.
*
*/

21
FDM/flight.h
View file

@ -44,20 +44,6 @@
#define FG_EXTERN_NET 8
/* Define a structure containing the shared flight model parameters */
/* struct flight_params {
double pos_x, pos_y, pos_z;
double vel_x, vel_y, vel_z;
double Phi;
double Theta;
double Psi;
double vel_Phi;
double vel_Theta;
double vel_Psi;
}; */
typedef double FG_VECTOR_3[3];
/* This is based heavily on LaRCsim/ls_generic.h */
@ -410,9 +396,12 @@ int fgFlightModelUpdate(int model, struct FLIGHT *f, int multiloop);
/* $Log$
/* Revision 1.8 1997/08/27 03:30:06 curt
/* Changed naming scheme of basic shared structures.
/* Revision 1.9 1997/09/04 02:17:33 curt
/* Shufflin' stuff.
/*
* Revision 1.8 1997/08/27 03:30:06 curt
* Changed naming scheme of basic shared structures.
*
* Revision 1.7 1997/07/23 21:52:19 curt
* Put comments around the text after an #endif for increased portability.
*

58
Main/GLUTmain.c
View file

@ -69,7 +69,7 @@ struct VIEW current_view;
static GLfloat win_ratio = 1.0;
/* sun direction */
static GLfloat sun_vec[4] = {1.0, 0.0, 0.0, 0.0 };
/* static GLfloat sun_vec[4] = {1.0, 0.0, 0.0, 0.0 }; */
/* if the 4th field is 0.0, this specifies a direction ... */
/* clear color (sky) */
@ -86,10 +86,6 @@ static GLfloat fgFogColor[4] = {0.65, 0.65, 0.85, 1.0};
/* pointer to scenery structure */
/* static GLint scenery, runway; */
/* Another hack */
/* double view_offset = 0.0;
double goal_view_offset = 0.0; */
double Simtime;
/* Another hack */
@ -104,8 +100,10 @@ int show_hud;
**************************************************************************/
static void fgInitVisuals() {
struct fgTIME *t;
struct WEATHER *w;
t = &cur_time_params;
w = &current_weather;
glEnable( GL_DEPTH_TEST );
@ -116,7 +114,7 @@ static void fgInitVisuals() {
to unit length after transformation. See glNormal. */
glEnable( GL_NORMALIZE );
glLightfv( GL_LIGHT0, GL_POSITION, sun_vec );
glLightfv( GL_LIGHT0, GL_POSITION, t->sun_vec );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
@ -143,8 +141,7 @@ static void fgUpdateViewParams() {
struct FLIGHT *f;
struct fgTIME *t;
struct VIEW *v;
MAT3vec nup, nsun;
double sun_angle, temp, ambient, diffuse, sky;
double ambient, diffuse, sky;
GLfloat color[4] = { 1.0, 1.0, 0.50, 1.0 };
GLfloat amb[3], diff[3], fog[4], clear[4];
@ -170,24 +167,17 @@ static void fgUpdateViewParams() {
v->view_up[0], v->view_up[1], v->view_up[2]);
/* set the sun position */
glLightfv( GL_LIGHT0, GL_POSITION, sun_vec );
glLightfv( GL_LIGHT0, GL_POSITION, t->sun_vec );
/* calculate lighting parameters based on sun's relative angle to
* local up */
MAT3_COPY_VEC(nup, v->local_up);
nsun[0] = t->fg_sunpos.x;
nsun[1] = t->fg_sunpos.y;
nsun[2] = t->fg_sunpos.z;
MAT3_NORMALIZE_VEC(nup, temp);
MAT3_NORMALIZE_VEC(nsun, temp);
sun_angle = acos(MAT3_DOT_PRODUCT(nup, nsun));
printf("SUN ANGLE relative to current location = %.3f rads.\n", sun_angle);
/* ya kind'a have to plot this to see the magic */
ambient = 0.4 * pow(2.4, -sun_angle*sun_angle*sun_angle*sun_angle/3.0);
diffuse = 0.4 * cos(0.6*sun_angle*sun_angle);
sky = 0.85 * pow(1.6, -sun_angle*sun_angle*sun_angle*sun_angle/2.0) + 0.15;
ambient = 0.4 *
pow(2.4, -t->sun_angle*t->sun_angle*t->sun_angle*t->sun_angle / 3.0);
diffuse = 0.4 * cos(0.6 * t->sun_angle * t->sun_angle);
sky = 0.85 *
pow(1.6, -t->sun_angle*t->sun_angle*t->sun_angle*t->sun_angle/2.0)
+ 0.15;
if ( ambient < 0.1 ) { ambient = 0.1; }
if ( diffuse < 0.0 ) { diffuse = 0.0; }
@ -240,10 +230,8 @@ static void fgUpdateVisuals( void ) {
fgSceneryRender();
/* display HUD */
if( show_hud ) {
if( show_hud )
fgCockpitUpdate();
/* fgUpdateHUD(); */
}
#ifdef GLUT
glutSwapBuffers();
@ -274,14 +262,7 @@ void fgUpdateTimeDepCalcs(int multi_loop) {
fgFlightModelUpdate(FG_LARCSIM, f, multi_loop);
/* refresh shared sun position and sun_vec */
fgUpdateSunPos();
/* the sun position has to be translated just like everything else */
sun_vec[0] = t->fg_sunpos.x - scenery.center.x;
sun_vec[1] = t->fg_sunpos.y - scenery.center.y;
sun_vec[2] = t->fg_sunpos.z - scenery.center.z;
/* make this a directional light source only */
sun_vec[3] = 0.0;
fgUpdateSunPos(scenery.center);
/* update the view angle */
for ( i = 0; i < multi_loop; i++ ) {
@ -420,8 +401,8 @@ static void fgMainLoop( void ) {
f = &current_aircraft.flight;
/* Read joystick */
/* fgJoystickRead( &joy_x, &joy_y, &joy_b1, &joy_b2 ); */
/* printf( "Joystick X %f Y %f B1 %d B2 %d\n",
/* 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 ); */
@ -574,9 +555,12 @@ int main( int argc, char *argv[] ) {
/* $Log$
/* Revision 1.12 1997/08/27 21:32:24 curt
/* Restructured view calculation code. Added stars.
/* Revision 1.13 1997/09/04 02:17:34 curt
/* Shufflin' stuff.
/*
* Revision 1.12 1997/08/27 21:32:24 curt
* Restructured view calculation code. Added stars.
*
* Revision 1.11 1997/08/27 03:30:16 curt
* Changed naming scheme of basic shared structures.
*

5
Main/Makefile
View file

@ -32,7 +32,7 @@ AFILES = ../Aircraft/libAircraft.a ../Cockpit/libCockpit.a \
../Controls/libControls.a ../Flight/libFlight.a \
../Joystick/libJoystick.a ../Flight/LaRCsim/libLaRCsim.a \
../Flight/Slew/libSlew.a ../Scenery/libScenery.a \
../Time/libTime.a ../Weather/libWeather.a ../Math/libMath.a
../Time/libTime.a ../Weather/libWeather.a ../Math/libMath.a
include ../make.inc
@ -73,6 +73,9 @@ GLTKkey.o:
#---------------------------------------------------------------------------
# $Log$
# Revision 1.33 1997/09/04 02:17:35 curt
# Shufflin' stuff.
#
# Revision 1.32 1997/08/27 21:31:27 curt
# Added views.[ch]
#

45
Main/depend
View file

@ -1,33 +1,34 @@
GLUTkey.o: GLUTkey.c GLUTkey.h ../constants.h ../Aircraft/aircraft.h \
../Aircraft/../Flight/flight.h ../Aircraft/../Flight/Slew/slew.h \
../Aircraft/../Flight/LaRCsim/ls_interface.h \
../Aircraft/../Flight/LaRCsim/../flight.h \
GLUTkey.o: GLUTkey.c GLUTkey.h views.h ../types.h ../Flight/flight.h \
../Flight/Slew/slew.h ../Flight/LaRCsim/ls_interface.h \
../Flight/LaRCsim/../flight.h ../Math/mat3.h ../constants.h \
../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
../Aircraft/../Controls/controls.h \
../Aircraft/../Controls/../limits.h ../Weather/weather.h
GLUTmain.o: GLUTmain.c fg_init.h ../constants.h ../general.h \
../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
../Aircraft/../Flight/Slew/slew.h \
../Aircraft/../Flight/LaRCsim/ls_interface.h \
../Aircraft/../Flight/LaRCsim/../flight.h \
../Aircraft/../Controls/controls.h \
GLUTmain.o: GLUTmain.c GLUTkey.h fg_init.h views.h ../types.h \
../Flight/flight.h ../Flight/Slew/slew.h \
../Flight/LaRCsim/ls_interface.h ../Flight/LaRCsim/../flight.h \
../Math/mat3.h ../constants.h ../general.h ../Aircraft/aircraft.h \
../Aircraft/../Flight/flight.h ../Aircraft/../Controls/controls.h \
../Aircraft/../Controls/../limits.h ../Cockpit/cockpit.h \
../Cockpit/hud.h ../Cockpit/../Aircraft/aircraft.h \
../Cockpit/../Flight/flight.h ../Cockpit/../Controls/controls.h \
../Joystick/joystick.h ../Math/fg_geodesy.h ../Math/mat3.h \
../Math/polar.h ../Math/../types.h ../Scenery/mesh.h \
../Scenery/scenery.h ../Scenery/../types.h ../Time/fg_time.h \
../Time/../types.h ../Time/fg_timer.h ../Time/sunpos.h \
../Weather/weather.h
fg_init.o: fg_init.c fg_init.h ../constants.h ../general.h \
../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
../Aircraft/../Flight/Slew/slew.h \
../Aircraft/../Flight/LaRCsim/ls_interface.h \
../Aircraft/../Flight/LaRCsim/../flight.h \
../Joystick/joystick.h ../Math/fg_geodesy.h ../Math/polar.h \
../Math/../types.h ../Scenery/mesh.h ../Scenery/scenery.h \
../Scenery/../types.h ../Time/fg_time.h ../Time/../types.h \
../Time/fg_timer.h ../Time/sunpos.h ../Weather/weather.h
fg_init.o: fg_init.c fg_init.h views.h ../types.h ../Flight/flight.h \
../Flight/Slew/slew.h ../Flight/LaRCsim/ls_interface.h \
../Flight/LaRCsim/../flight.h ../Math/mat3.h ../constants.h \
../general.h ../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
../Aircraft/../Controls/controls.h \
../Aircraft/../Controls/../limits.h ../Cockpit/cockpit.h \
../Cockpit/hud.h ../Cockpit/../Aircraft/aircraft.h \
../Cockpit/../Flight/flight.h ../Cockpit/../Controls/controls.h \
../Joystick/joystick.h ../Math/fg_random.h ../Scenery/mesh.h \
../Scenery/scenery.h ../Scenery/../types.h ../Scenery/stars.h \
../Time/sunpos.h ../Weather/weather.h
views.o: views.c views.h ../types.h
../Time/sunpos.h ../Time/../types.h ../Weather/weather.h
views.o: views.c views.h ../types.h ../Flight/flight.h \
../Flight/Slew/slew.h ../Flight/LaRCsim/ls_interface.h \
../Flight/LaRCsim/../flight.h ../Math/mat3.h ../constants.h \
../Math/polar.h ../Math/../types.h ../Scenery/scenery.h \
../Scenery/../types.h

18
Main/fg_init.c
View file

@ -96,7 +96,8 @@ void fgInitSubsystems( void ) {
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;
/* FG_Altitude = 20000; */
/* 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; */
@ -142,7 +143,7 @@ void fgInitSubsystems( void ) {
/* fgSlewInit(-398673.28,120625.64, 53, 4.38); */
/* Initialize shared sun position and sun_vec */
fgUpdateSunPos();
fgUpdateSunPos(scenery.center);
/* Initialize view parameters */
fgViewInit(v);
@ -151,7 +152,11 @@ void fgInitSubsystems( void ) {
fgWeatherInit();
/* Initialize the Cockpit subsystem */
fgCockpitInit( current_aircraft );
if( fgCockpitInit( current_aircraft ) == NULL )
{
printf( "Error in Cockpit initialization!\n" );
exit( 1 );
}
/* Initialize the Stars subsystem */
fgStarsInit();
@ -195,9 +200,12 @@ void fgInitSubsystems( void ) {
/* $Log$
/* Revision 1.4 1997/08/27 21:32:26 curt
/* Restructured view calculation code. Added stars.
/* Revision 1.5 1997/09/04 02:17:36 curt
/* Shufflin' stuff.
/*
* Revision 1.4 1997/08/27 21:32:26 curt
* Restructured view calculation code. Added stars.
*
* Revision 1.3 1997/08/27 03:30:19 curt
* Changed naming scheme of basic shared structures.
*

12
Scenery/depend
View file

@ -7,5 +7,13 @@ mesh.o: mesh.c ../constants.h ../types.h ../Math/fg_geodesy.h \
parser.o: parser.c parsevrml.h geometry.h common.h mesh.h scenery.h \
../types.h
scanner.o: scanner.c parser.h
scenery.o: scenery.c ../general.h scenery.h ../types.h parsevrml.h
stars.o: stars.c stars.h ../general.h
scenery.o: scenery.c ../general.h scenery.h ../types.h parsevrml.h \
stars.h
stars.o: stars.c stars.h ../constants.h ../general.h ../GLUT/views.h \
../GLUT/../types.h ../GLUT/../Flight/flight.h \
../GLUT/../Flight/Slew/slew.h \
../GLUT/../Flight/LaRCsim/ls_interface.h \
../GLUT/../Flight/LaRCsim/../flight.h ../GLUT/../Math/mat3.h \
../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
../Aircraft/../Controls/controls.h \
../Aircraft/../Controls/../limits.h

10
Scenery/scenery.h
View file

@ -38,6 +38,9 @@ struct SCENERY {
/* center of current scenery chunk */
struct fgCartesianPoint center;
/* angle of sun relative to current local horizontal */
double sun_angle;
};
extern struct SCENERY scenery;
@ -60,9 +63,12 @@ void fgSceneryRender();
/* $Log$
/* Revision 1.9 1997/08/27 03:30:33 curt
/* Changed naming scheme of basic shared structures.
/* Revision 1.10 1997/09/04 02:17:37 curt
/* Shufflin' stuff.
/*
* Revision 1.9 1997/08/27 03:30:33 curt
* Changed naming scheme of basic shared structures.
*
* Revision 1.8 1997/08/06 00:24:30 curt
* Working on correct real time sun lighting.
*

13
Scenery/stars.c
View file

@ -133,12 +133,6 @@ void fgStarsRender() {
glDisable( GL_LIGHTING );
glPushMatrix();
/* set lighting parameters for stars */
/* amb[0] = amb[1] = amb[2] = 1.0;
diff[0] = diff[1] = diff[2] = 1.0;
glLightfv(GL_LIGHT0, GL_AMBIENT, amb );
glLightfv(GL_LIGHT0, GL_DIFFUSE, diff ); */
glTranslatef( v->view_pos.x, v->view_pos.y, v->view_pos.z );
angle = FG_2PI * fmod(DaysSinceEpoch(time(NULL)), 1.0);
@ -154,9 +148,12 @@ void fgStarsRender() {
/* $Log$
/* Revision 1.3 1997/08/29 17:55:28 curt
/* Worked on properly aligning the stars.
/* Revision 1.4 1997/09/04 02:17:38 curt
/* Shufflin' stuff.
/*
* Revision 1.3 1997/08/29 17:55:28 curt
* Worked on properly aligning the stars.
*
* Revision 1.2 1997/08/27 21:32:30 curt
* Restructured view calculation code. Added stars.
*

36
Simulator/Makefile
View file

@ -58,19 +58,43 @@ clean:
done
tar: clean
source-tar: clean
(cd ../..; \
tar cvf source-$(VERSION).tar FlightGear/COPYING FlightGear/Docs \
FlightGear/Src FlightGear/Thanks)
tar cvzf source-$(VERSION).tar.gz FlightGear/fgtop FlightGear/COPYING \
FlightGear/Docs FlightGear/Src FlightGear/Thanks)
zip: clean
source-zip: clean
(cd ../..; \
zip -r source-$(VERSION).zip FlightGear/COPYING FlightGear/Docs \
FlightGear/Src FlightGear/Thanks)
zip -r source-$(VERSION).zip FlightGear/fgtop FlightGear/COPYING \
FlightGear/Docs FlightGear/Src FlightGear/Thanks)
scenery-tar:
(cd ../..; \
tar cvzf scenery-$(VERSION).tar.gz FlightGear/Scenery)
scenery-zip:
(cd ../..; \
zip -r scenery-$(VERSION).zip FlightGear/Scenery)
bin-tar: all
cp GLUT/fg0 GLUT/runfg ..
(cd ../..; \
tar cvzf bin-$(VERSION).tar.gz FlightGear/fgtop FlightGear/fg0 \
FlightGear/runfg FlightGear/COPYING FlightGear/Docs FlightGear/Thanks)
bin-zip: all
cp GLUT/fg0.exe GLUT/runfg.bat GLUT/cygwin.dll ..
(cd ../..; \
zip -r bin-$(VERSION).zip FlightGear/fgtop FlightGear/fg0.exe \
FlightGear/runfg.bat FlightGear/cygwin.dll FlightGear/COPYING \
FlightGear/Docs FlightGear/Thanks)
#---------------------------------------------------------------------------
# $Log$
# Revision 1.26 1997/09/04 02:17:18 curt
# Shufflin' stuff.
#
# Revision 1.25 1997/08/25 20:27:21 curt
# Merged in initial HUD and Joystick code.
#

5
Simulator/make.inc
View file

@ -25,7 +25,7 @@
#---------------------------------------------------------------------------
VERSION = 0.10
VERSION = 0.11
#---------------------------------------------------------------------------
# Choose your weapons
@ -120,6 +120,9 @@ FG_CFLAGS = $(GLOBAL_CFLAGS)
#---------------------------------------------------------------------------
# $Log$
# Revision 1.13 1997/09/04 02:17:19 curt
# Shufflin' stuff.
#
# Revision 1.12 1997/08/25 20:27:21 curt
# Merged in initial HUD and Joystick code.
#

9
Time/depend
View file

@ -1,4 +1,9 @@
fg_time.o: fg_time.c fg_time.h ../types.h
fg_timer.o: fg_timer.c fg_timer.h
sunpos.o: sunpos.c sunpos.h fg_time.h ../types.h ../constants.h \
../Math/fg_geodesy.h ../Math/polar.h ../Math/../types.h
sunpos.o: sunpos.c sunpos.h ../types.h fg_time.h ../constants.h \
../GLUT/views.h ../GLUT/../types.h ../GLUT/../Flight/flight.h \
../GLUT/../Flight/Slew/slew.h \
../GLUT/../Flight/LaRCsim/ls_interface.h \
../GLUT/../Flight/LaRCsim/../flight.h ../GLUT/../Math/mat3.h \
../Math/fg_geodesy.h ../Math/mat3.h ../Math/polar.h \
../Math/../types.h

18
Time/fg_time.h
View file

@ -28,6 +28,12 @@
#define FG_TIME_H
#ifdef WIN32
# include <windows.h>
#endif
#include <GL/glut.h>
#include "../types.h"
@ -35,8 +41,11 @@
struct fgTIME {
/* the point on the earth's surface above which the sun is directly
* overhead */
struct fgCartesianPoint fg_sunpos; /* in cartesian coordiantes */
double sun_lon, sun_gc_lat; /* in geocentric coordinates */
struct fgCartesianPoint fg_sunpos; /* in cartesian coordiantes */
GLfloat sun_vec[4]; /* in view coordinates */
double sun_angle; /* the angle between the sun and the
local horizontal */
};
extern struct fgTIME cur_time_params;
@ -46,9 +55,12 @@ extern struct fgTIME cur_time_params;
/* $Log$
/* Revision 1.2 1997/08/27 03:30:36 curt
/* Changed naming scheme of basic shared structures.
/* Revision 1.3 1997/09/04 02:17:39 curt
/* Shufflin' stuff.
/*
* Revision 1.2 1997/08/27 03:30:36 curt
* Changed naming scheme of basic shared structures.
*
* Revision 1.1 1997/08/13 21:56:00 curt
* Initial revision.
*

35
Time/sunpos.c
View file

@ -46,7 +46,9 @@
#include "sunpos.h"
#include "fg_time.h"
#include "../constants.h"
#include "../GLUT/views.h"
#include "../Math/fg_geodesy.h"
#include "../Math/mat3.h"
#include "../Math/polar.h"
#undef E
@ -258,12 +260,15 @@ void fgSunPosition(time_t ssue, double *lon, double *lat) {
/* update the cur_time_params structure with the current sun position */
void fgUpdateSunPos() {
void fgUpdateSunPos(struct fgCartesianPoint scenery_center) {
struct fgTIME *t;
double sun_gd_lat, sl_radius;
struct VIEW *v;
MAT3vec nup, nsun;
double sun_gd_lat, sl_radius, temp;
static int time_warp = 0;
t = &cur_time_params;
v = &current_view;
time_warp += 200; /* increase this to make the world spin real fast */
@ -275,13 +280,35 @@ void fgUpdateSunPos() {
/* printf("Geodetic lat = %.5f Geocentric lat = %.5f\n", sun_gd_lat,
t->sun_gc_lat); */
/* the sun position has to be translated just like everything else */
t->sun_vec[0] = t->fg_sunpos.x - scenery_center.x;
t->sun_vec[1] = t->fg_sunpos.y - scenery_center.y;
t->sun_vec[2] = t->fg_sunpos.z - scenery_center.z;
/* make this a directional light source only */
t->sun_vec[3] = 0.0;
/* calculate thesun's relative angle to local up */
MAT3_COPY_VEC(nup, v->local_up);
nsun[0] = t->fg_sunpos.x;
nsun[1] = t->fg_sunpos.y;
nsun[2] = t->fg_sunpos.z;
MAT3_NORMALIZE_VEC(nup, temp);
MAT3_NORMALIZE_VEC(nsun, temp);
t->sun_angle = acos(MAT3_DOT_PRODUCT(nup, nsun));
printf("SUN ANGLE relative to current location = %.3f rads.\n",
t->sun_angle);
}
/* $Log$
/* Revision 1.6 1997/08/27 03:30:37 curt
/* Changed naming scheme of basic shared structures.
/* Revision 1.7 1997/09/04 02:17:40 curt
/* Shufflin' stuff.
/*
* Revision 1.6 1997/08/27 03:30:37 curt
* Changed naming scheme of basic shared structures.
*
* Revision 1.5 1997/08/22 21:34:41 curt
* Doing a bit of reorganizing and house cleaning.
*

3
Time/sunpos.h
View file

@ -42,9 +42,10 @@
#include <time.h>
#include "../types.h"
/* update the cur_time_params structure with the current sun position */
void fgUpdateSunPos();
void fgUpdateSunPos(struct fgCartesianPoint scenery_center);
void fgSunPosition(time_t ssue, double *lon, double *lat);