From 7ada12ed094ddb822122c87e0aabee84d8ba0adf Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Thu, 16 Mar 2000 04:15:22 +0000
Subject: [PATCH] Updates for ssg solarsystem/sky model. Includes changes to
Time, Light, and initialization sequences.
---
src/Main/bfi.cxx | 5 +-
src/Main/fg_init.cxx | 6 +-
src/Main/keyboard.cxx | 4 +-
src/Main/main.cxx | 161 +++++++++++++++++++-----------------------
4 files changed, 78 insertions(+), 98 deletions(-)
diff --git a/src/Main/bfi.cxx b/src/Main/bfi.cxx
index 10978d791..5d0695118 100644
--- a/src/Main/bfi.cxx
+++ b/src/Main/bfi.cxx
@@ -196,8 +196,9 @@ FGBFI::setTimeGMT (time_t time)
// and solar system
current_options.set_time_offset(time);
current_options.set_time_offset_type(fgOPTIONS::FG_TIME_GMT_ABSOLUTE);
- FGTime::cur_time_params->init(*cur_fdm_state);
- FGTime::cur_time_params->update(*cur_fdm_state);
+ FGTime::cur_time_params->init( cur_fdm_state->get_Longitude(),
+ cur_fdm_state->get_Latitude() );
+ FGTime::cur_time_params->update( cur_fdm_state->get_Longitude() );
needReinit();
}
diff --git a/src/Main/fg_init.cxx b/src/Main/fg_init.cxx
index 78dac6cd9..a145bcbb9 100644
--- a/src/Main/fg_init.cxx
+++ b/src/Main/fg_init.cxx
@@ -224,8 +224,6 @@ bool fgInitGeneral( void ) {
// gear, its initialization call should located in this routine.
// Returns non-zero if a problem encountered.
bool fgInitSubsystems( void ) {
- FGTime::cur_time_params = new FGTime();
-
fgLIGHT *l = &cur_light_params;
FGTime *t = FGTime::cur_time_params;
@@ -374,8 +372,8 @@ bool fgInitSubsystems( void ) {
fgEVENT::FG_EVENT_READY, 60000 );
// Initialize the time dependent variables
- t->init(*cur_fdm_state);
- t->update(*cur_fdm_state);
+ t->init( cur_fdm_state->get_Longitude(), cur_fdm_state->get_Latitude() );
+ t->update( cur_fdm_state->get_Longitude() );
// Initialize view parameters
FG_LOG( FG_GENERAL, FG_DEBUG, "Before current_view.init()");
diff --git a/src/Main/keyboard.cxx b/src/Main/keyboard.cxx
index 90efdb5fd..1e45b622d 100644
--- a/src/Main/keyboard.cxx
+++ b/src/Main/keyboard.cxx
@@ -46,7 +46,6 @@
#include <simgear/misc/fgpath.hxx>
#include <Aircraft/aircraft.hxx>
-#include <Astro/solarsystem.hxx>
#include <Autopilot/autopilot.hxx>
#include <Cockpit/hud.hxx>
#include <GUI/gui.h>
@@ -71,8 +70,7 @@ extern void NewHeading( puObject *cb );
// Force an update of the sky and lighting parameters
static void local_update_sky_and_lighting_params( void ) {
- // fgSunInit();
- SolarSystem::theSolarSystem->rebuild();
+ FGTime::cur_time_params->updateLocal();
cur_light_params.Update();
}
diff --git a/src/Main/main.cxx b/src/Main/main.cxx
index 6f6217f41..501ad143e 100644
--- a/src/Main/main.cxx
+++ b/src/Main/main.cxx
@@ -88,9 +88,7 @@
#include <Objects/materialmgr.hxx>
#include <Scenery/scenery.hxx>
#include <Scenery/tilemgr.hxx>
-#include <Sky/skydome.hxx>
-#include <Sky/skymoon.hxx>
-#include <Sky/skysun.hxx>
+#include <Sky/sky.hxx>
#include <Time/event.hxx>
#include <Time/fg_time.hxx>
#include <Time/fg_timer.hxx>
@@ -158,10 +156,8 @@ ssgTransform *fgd_pos = NULL;
FGInterface cur_view_fdm;
// Sky structures
-FGEphemeris ephem;
-FGSkyDome current_sky;
-FGSkySun current_sun;
-FGSkyMoon current_moon;
+FGEphemeris *ephem;
+SGSky *thesky;
// hack
sgMat4 copy_of_ssgOpenGLAxisSwapMatrix =
@@ -354,90 +350,63 @@ void fgRenderFrame( void ) {
// set the opengl state to known default values
default_state->force();
- xglDisable( GL_DEPTH_TEST );
- xglDisable( GL_FOG );
-
// draw sky dome
if ( current_options.get_skyblend() ) {
+ sgVec3 view_pos;
+ sgSetVec3( view_pos,
+ current_view.get_view_pos().x(),
+ current_view.get_view_pos().y(),
+ current_view.get_view_pos().z() );
+
sgVec3 zero_elev;
sgSetVec3( zero_elev,
current_view.get_cur_zero_elev().x(),
current_view.get_cur_zero_elev().y(),
current_view.get_cur_zero_elev().z() );
- current_sky.repaint( cur_light_params.sky_color,
- cur_light_params.fog_color,
- cur_light_params.sun_angle );
+ /* cout << "thesky->repaint() sky_color = "
+ << cur_light_params.sky_color[0] << " "
+ << cur_light_params.sky_color[1] << " "
+ << cur_light_params.sky_color[2] << " "
+ << cur_light_params.sky_color[3] << endl;
+ cout << " fog = "
+ << cur_light_params.fog_color[0] << " "
+ << cur_light_params.fog_color[1] << " "
+ << cur_light_params.fog_color[2] << " "
+ << cur_light_params.fog_color[3] << endl;
+ cout << " sun_angle = " << cur_light_params.sun_angle
+ << " moon_angle = " << cur_light_params.moon_angle
+ << endl; */
+ thesky->repaint( cur_light_params.sky_color,
+ cur_light_params.fog_color,
+ cur_light_params.sun_angle,
+ cur_light_params.moon_angle,
+ 0, NULL, 0, NULL );
- current_sky.reposition( zero_elev,
- cur_fdm_state->get_Longitude(),
- cur_fdm_state->get_Latitude(),
- cur_light_params.sun_rotation );
+ /* cout << "thesky->reposition( view_pos = " << view_pos[0] << " "
+ << view_pos[1] << " " << view_pos[2] << endl;
+ cout << " zero_elev = " << zero_elev[0] << " "
+ << zero_elev[1] << " " << zero_elev[2]
+ << " lon = " << cur_fdm_state->get_Longitude()
+ << " lat = " << cur_fdm_state->get_Latitude() << endl;
+ cout << " sun_rot = " << cur_light_params.sun_rotation
+ << " gst = " << FGTime::cur_time_params->getGst() << endl;
+ cout << " sun ra = " << ephem->getSunRightAscension()
+ << " sun dec = " << ephem->getSunDeclination()
+ << " moon ra = " << ephem->getMoonRightAscension()
+ << " moon dec = " << ephem->getMoonDeclination() << endl; */
- current_sky.draw();
+ thesky->reposition( view_pos, zero_elev,
+ cur_fdm_state->get_Longitude(),
+ cur_fdm_state->get_Latitude(),
+ cur_light_params.sun_rotation,
+ FGTime::cur_time_params->getGst(),
+ ephem->getSunRightAscension(),
+ ephem->getSunDeclination(), 50000.0,
+ ephem->getMoonRightAscension(),
+ ephem->getMoonDeclination(), 50000.0 );
}
- // draw the sun
- glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ;
- current_sun.repaint( cur_light_params.sun_angle );
- sgVec3 view_pos;
- sgSetVec3( view_pos,
- current_view.get_view_pos().x(),
- current_view.get_view_pos().y(),
- current_view.get_view_pos().z() );
- current_sun.reposition( view_pos,
- t->getGst() * 15.041085,
- ephem.getSunRightAscension(),
- ephem.getSunDeclination() );
- current_sun.draw();
-
- // draw the moon
- glBlendFunc ( GL_SRC_ALPHA, GL_ONE ) ;
- current_moon.repaint( cur_light_params.moon_angle );
- sgSetVec3( view_pos,
- current_view.get_view_pos().x(),
- current_view.get_view_pos().y(),
- current_view.get_view_pos().z() );
- current_moon.reposition( view_pos,
- t->getGst() * 15.041085,
- ephem.getMoonRightAscension(),
- ephem.getMoonDeclination() );
- current_moon.draw();
-
- // xglDisable( GL_FOG );
-
- /*
-
- // setup transformation for drawing astronomical objects
- xglPushMatrix();
- // Translate to view position
- Point3D view_pos = current_view.get_view_pos();
- xglTranslatef( view_pos.x(), view_pos.y(), view_pos.z() );
- // Rotate based on gst (sidereal time)
- // note: constant should be 15.041085, Curt thought it was 15
- angle = t->getGst() * 15.041085;
- // printf("Rotating astro objects by %.2f degrees\n",angle);
- xglRotatef( angle, 0.0, 0.0, -1.0 );
-
- // draw stars and planets
- fgStarsRender();
- xglDisable( GL_COLOR_MATERIAL ); // just to make sure ...
- xglEnable( GL_CULL_FACE ); // for moon
- xglLightfv( GL_LIGHT0, GL_POSITION, l->sun_vec );
- //xglEnable(GL_DEPTH_TEST);
- SolarSystem::theSolarSystem->draw();
- // reset blending function
- glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ;
-
- xglPopMatrix();
- */
-
- // draw scenery
- /* if ( current_options.get_shading() ) {
- xglShadeModel( GL_SMOOTH );
- } else {
- xglShadeModel( GL_FLAT );
- } */
xglEnable( GL_DEPTH_TEST );
if ( current_options.get_fog() > 0 ) {
xglEnable( GL_FOG );
@@ -762,7 +731,7 @@ void fgUpdateTimeDepCalcs(int multi_loop, int remainder) {
l->UpdateAdjFog();
// Update solar system
- ephem.update( t );
+ ephem->update( t, cur_fdm_state->get_Latitude() );
}
@@ -857,7 +826,7 @@ static void fgMainLoop( void ) {
cur_fdm_state->get_Altitude() * FEET_TO_METER); */
// update "time"
- t->update(*cur_fdm_state);
+ t->update( cur_fdm_state->get_Longitude() );
// Get elapsed time (in usec) for this past frame
elapsed = fgGetTimeInterval();
@@ -1348,6 +1317,14 @@ int main( int argc, char **argv ) {
// fonts !!!
guiInit();
+ // Initialize time
+ FGTime::cur_time_params = new FGTime();
+ // FGTime::cur_time_params->init( cur_fdm_state->get_Longitude(),
+ // cur_fdm_state->get_Latitude() );
+ // FGTime::cur_time_params->update( cur_fdm_state->get_Longitude() );
+ FGTime::cur_time_params->init( 0.0, 0.0 );
+ FGTime::cur_time_params->update( 0.0 );
+
// Do some quick general initializations
if( !fgInitGeneral()) {
FG_LOG( FG_GENERAL, FG_ALERT,
@@ -1375,19 +1352,25 @@ int main( int argc, char **argv ) {
scene = new ssgRoot;
scene->setName( "Scene" );
+ // Initialize the sky
+ ephem = new FGEphemeris;
+ ephem->update( FGTime::cur_time_params, 0.0 );
+ FGPath sky_tex_path( current_options.get_fg_root() );
+ sky_tex_path.append( "Textures" );
+ sky_tex_path.append( "Sky" );
+ thesky = new SGSky;
+ thesky->texture_path( sky_tex_path.str() );
+ ssgBranch *sky = thesky->build( 550.0, 550.0,
+ ephem->getNumPlanets(),
+ ephem->getPlanets(), 60000.0,
+ 0, NULL, 60000.0 );
+ scene->addKid( sky );
+
// Terrain branch
terrain = new ssgBranch;
terrain->setName( "Terrain" );
scene->addKid( terrain );
- // Initialize the sky
- FGPath sky_tex_path( current_options.get_fg_root() );
- sky_tex_path.append( "Textures" );
- sky_tex_path.append( "Sky" );
- current_sky.initialize();
- current_sun.initialize( sky_tex_path );
- current_moon.initialize( sky_tex_path );
-
// temporary visible aircraft "own ship"
penguin_sel = new ssgSelector;
penguin_pos = new ssgTransform;