center( Point3D( 0.0 ) ),
tile_bucket( b ),
terra_transform( new ssgTransform ),
+ rwy_lights_transform( new ssgTransform ),
terra_range( new ssgRangeSelector ),
+ rwy_lights_range( new ssgRangeSelector ),
loaded(false),
pending_models(0)
{
if ( gnd_lights_transform ) {
// delete the terrain lighting branch (this should already have been
- // disconnected from the scene graph)
+ // disconnected from the scene graph)
ssgDeRefDelete( gnd_lights_transform );
}
+ if ( rwy_lights_transform ) {
+ // delete the terrain lighting branch (this should already have been
+ // disconnected from the scene graph)
+ ssgDeRefDelete( rwy_lights_transform );
+ }
+
// ADA
if ( lightmaps_transform ) {
// delete the terrain lighting branch (this should already have been
terra_range->setRange( 1, vis + bounding_radius );
gnd_lights_range->setRange( 0, SG_ZERO );
gnd_lights_range->setRange( 1, vis * 1.5 + bounding_radius );
+ rwy_lights_range->setRange( 0, SG_ZERO );
+ rwy_lights_range->setRange( 1, vis * 1.5 + bounding_radius );
#else
float ranges[2];
ranges[0] = SG_ZERO;
ranges[1] = vis * 1.5 + bounding_radius;
gnd_lights_range->setRanges( ranges, 2 );
}
+ if ( rwy_lights_range ) {
+ ranges[1] = vis * 1.5 + bounding_radius;
+ rwy_lights_range->setRanges( ranges, 2 );
+ }
#endif
sgVec3 sgTrans;
sgSetVec3( sgTrans, offset.x(), offset.y(), offset.z() );
} else {
sgScaleVec3( up, 10.0 + agl / 20.0 + dist / 5000 );
}
- sgAddVec3( sgTrans, up );
- gnd_lights_transform->setTransform( sgTrans );
+
+ sgVec3 lt_trans;
+ sgCopyVec3( lt_trans, sgTrans );
+
+ sgAddVec3( lt_trans, up );
+ gnd_lights_transform->setTransform( lt_trans );
// select which set of lights based on sun angle
float sun_angle = cur_light_params.sun_angle * SGD_RADIANS_TO_DEGREES;
}
}
+ if ( rwy_lights_transform ) {
+ // we need to lift the lights above the terrain to avoid
+ // z-buffer fighting. We do this based on our altitude and
+ // the distance this tile is away from scenery center.
+
+ sgVec3 up;
+ sgCopyVec3( up, globals->get_current_view()->get_world_up() );
+
+ double agl;
+ if ( current_aircraft.fdm_state ) {
+ agl = current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER
+ - scenery.get_cur_elev();
+ } else {
+ agl = 0.0;
+ }
+
+ // sgTrans just happens to be the
+ // vector from scenery center to the center of this tile which
+ // is what we want to calculate the distance of
+ sgVec3 to;
+ sgCopyVec3( to, sgTrans );
+ double dist = sgLengthVec3( to );
+
+ if ( general.get_glDepthBits() > 16 ) {
+ sgScaleVec3( up, 0.0 + agl / 100.0 + dist / 10000 );
+ } else {
+ sgScaleVec3( up, 1.0 + agl / 20.0 + dist / 5000 );
+ }
+
+ sgVec3 lt_trans;
+ sgCopyVec3( lt_trans, sgTrans );
+
+ sgAddVec3( lt_trans, up );
+ rwy_lights_transform->setTransform( lt_trans );
+
+ // select which set of lights based on sun angle
+ // float sun_angle = cur_light_params.sun_angle * SGD_RADIANS_TO_DEGREES;
+ // if ( sun_angle > 95 ) {
+ // gnd_lights_brightness->select(0x04);
+ // } else if ( sun_angle > 92 ) {
+ // gnd_lights_brightness->select(0x02);
+ // } else if ( sun_angle > 89 ) {
+ // gnd_lights_brightness->select(0x01);
+ // } else {
+ // gnd_lights_brightness->select(0x00);
+ // }
+ }
+
// ADA
// Transform & Render runway lights - 23 Mar 2001
sgSetVec3( sgTrans, offset.x(), offset.y(), offset.z() );
}
-ssgBranch*
-FGTileEntry::obj_load( const std::string& path,
+bool FGTileEntry::obj_load( const std::string& path,
+ ssgBranch* geometry,
+ ssgBranch* rwy_lights,
ssgVertexArray* ground_lights, bool is_base )
{
- ssgBranch* geometry = new ssgBranch;
- ssgBranch* rwy_lights = new ssgBranch;
-
Point3D c; // returned center point
double br; // returned bounding radius
ssgBranch* new_tile = new ssgBranch;
- // runway lights
- rwy_lights_transform = NULL;
- rwy_lights_range = NULL;
-
// Check for master .stg (scene terra gear) file
SGPath stg_name = basename;
stg_name.concat( ".stg" );
SGPath custom_path = tile_path;
custom_path.append( name );
- ssgBranch *custom_obj
- = obj_load( custom_path.str(), light_pts, true );
-
- if ( custom_obj != NULL ) {
- new_tile -> addKid( custom_obj );
+ ssgBranch *geometry = new ssgBranch;
+ if ( obj_load( custom_path.str(),
+ geometry, NULL, light_pts, true ) )
+ {
+ new_tile -> addKid( geometry );
+ } else {
+ delete geometry;
}
} else if ( token == "OBJECT" ) {
in >> name >> ::skipws;
SGPath custom_path = tile_path;
custom_path.append( name );
- ssgBranch *custom_obj
- = obj_load( custom_path.str(), NULL, false );
- if ( custom_obj != NULL ) {
- new_tile -> addKid( custom_obj );
+ ssgBranch *geometry = new ssgBranch;
+ ssgBranch *rwy_lights = new ssgBranch;
+ if ( obj_load( custom_path.str(),
+ geometry, rwy_lights, NULL, false ) )
+ {
+ if ( geometry -> getNumKids() > 0 ) {
+ new_tile -> addKid( geometry );
+ } else {
+ delete geometry;
+ }
+ if ( rwy_lights -> getNumKids() > 0 ) {
+ rwy_lights_range -> addKid( rwy_lights );
+ } else {
+ delete rwy_lights;
+ }
+ } else {
+ delete geometry;
+ delete rwy_lights;
}
} else if ( token == "OBJECT_STATIC" ) {
in >> ::skipws;
}
}
- } else {
- // no .stg file so this must be old scenery
-
- new_tile = obj_load( basename.str(), light_pts, true );
-
- // load custom objects
- SG_LOG( SG_TERRAIN, SG_DEBUG, "Checking for custom objects ..." );
-
- SGPath index_path = tile_path;
- index_path.append( index_str );
- index_path.concat( ".ind" );
-
- SG_LOG( SG_TERRAIN, SG_DEBUG, "Looking in " << index_path.str() );
-
- sg_gzifstream in( index_path.str() );
-
- if ( in.is_open() ) {
- string token, name;
-
- while ( ! in.eof() ) {
- in >> token;
-
- if ( token == "OBJECT" ) {
- in >> name >> ::skipws;
- SG_LOG( SG_TERRAIN, SG_DEBUG, "token = " << token
- << " name = " << name );
-
- SGPath custom_path = tile_path;
- custom_path.append( name );
- ssgBranch *custom_obj
- = obj_load( custom_path.str(), NULL, false );
- if ( (new_tile != NULL) && (custom_obj != NULL) ) {
- new_tile -> addKid( custom_obj );
- }
- } else if ( token == "OBJECT_STATIC" ) {
- // load object info
- double lon, lat, elev, hdg;
- in >> name >> lon >> lat >> elev >> hdg >> ::skipws;
- SG_LOG( SG_TERRAIN, SG_INFO, "token = " << token
- << " name = " << name
- << " pos = " << lon << ", " << lat
- << " elevation = " << elev
- << " heading = " << hdg );
-
- // object loading is deferred to main render thread,
- // but lets figure out the paths right now.
- SGPath custom_path = tile_path;
- custom_path.append( name );
-
- sgCoord obj_pos;
- WorldCoordinate( &obj_pos, center, lat, lon, elev, hdg );
-
- ssgTransform *obj_trans = new ssgTransform;
- obj_trans->setTransform( &obj_pos );
-
- // wire as much of the scene graph together as we can
- new_tile->addKid( obj_trans );
-
- // bump up the pending models count
- pending_models++;
-
- // push an entry onto the model load queue
- FGDeferredModel *dm
- = new FGDeferredModel( custom_path.str(),
- tile_path.str(),
- this, obj_trans );
- FGTileMgr::model_ready( dm );
- } else if ( token == "OBJECT_TAXI_SIGN" ) {
- // load object info
- double lon, lat, elev, hdg;
- in >> name >> lon >> lat >> elev >> hdg >> ::skipws;
- SG_LOG( SG_TERRAIN, SG_INFO, "token = " << token
- << " name = " << name
- << " pos = " << lon << ", " << lat
- << " elevation = " << elev
- << " heading = " << hdg );
-
- // load the object itself
- SGPath custom_path = tile_path;
- custom_path.append( name );
-
- sgCoord obj_pos;
- WorldCoordinate( &obj_pos, center, lat, lon, elev, hdg );
-
- ssgTransform *obj_trans = new ssgTransform;
- obj_trans->setTransform( &obj_pos );
-
- ssgBranch *custom_obj
- = gen_taxi_sign( custom_path.str(), name );
-
- // wire the pieces together
- if ( (new_tile != NULL) && (custom_obj != NULL) ) {
- obj_trans -> addKid( custom_obj );
- }
- new_tile->addKid( obj_trans );
- } else if ( token == "OBJECT_RUNWAY_SIGN" ) {
- // load object info
- double lon, lat, elev, hdg;
- in >> name >> lon >> lat >> elev >> hdg >> ::skipws;
- SG_LOG( SG_TERRAIN, SG_INFO, "token = " << token
- << " name = " << name
- << " pos = " << lon << ", " << lat
- << " elevation = " << elev
- << " heading = " << hdg );
-
- // load the object itself
- SGPath custom_path = tile_path;
- custom_path.append( name );
-
- sgCoord obj_pos;
- WorldCoordinate( &obj_pos, center, lat, lon, elev, hdg );
-
- ssgTransform *obj_trans = new ssgTransform;
- obj_trans->setTransform( &obj_pos );
-
- ssgBranch *custom_obj
- = gen_runway_sign( custom_path.str(), name );
-
- // wire the pieces together
- if ( (new_tile != NULL) && (custom_obj != NULL) ) {
- obj_trans -> addKid( custom_obj );
- }
- new_tile->addKid( obj_trans );
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Unknown token " << token << " in "
- << index_path.str() );
- in >> ::skipws;
- }
- }
- }
}
if ( new_tile != NULL ) {
gnd_lights_range->addKid( gnd_lights_brightness );
gnd_lights_transform->addKid( gnd_lights_range );
gnd_lights_transform->setTransform( &sgcoord );
- // ground->addKid( gnd_lights_transform );
+ }
+
+ // Add runway lights to scene graph if any exist
+ if ( rwy_lights_range->getNumKids() > 0 ) {
+ SG_LOG( SG_TERRAIN, SG_INFO, "adding runway lights" );
+ rwy_lights_transform->addKid( rwy_lights_range );
+ rwy_lights_transform->setTransform( &sgcoord );
}
// ADA
exit(-1);
}
- // find the terrain lighting branch
+ // find the ground lighting branch
if ( gnd_lights_transform ) {
pcount = gnd_lights_transform->getNumParents();
if ( pcount > 0 ) {
}
}
+ // find the runway lighting branch
+ if ( rwy_lights_transform ) {
+ pcount = rwy_lights_transform->getNumParents();
+ if ( pcount > 0 ) {
+ // find the first parent (should only be one)
+ ssgBranch *parent = rwy_lights_transform->getParent( 0 ) ;
+ if( parent ) {
+ // disconnect the light branch (we previously ref()'d
+ // it so it won't get freed now)
+ parent->removeKid( rwy_lights_transform );
+ } else {
+ SG_LOG( SG_TERRAIN, SG_ALERT,
+ "parent pointer is NULL! Dying" );
+ exit(-1);
+ }
+ } else {
+ SG_LOG( SG_TERRAIN, SG_ALERT,
+ "Parent count is zero for an ssg light tile! Dying" );
+ exit(-1);
+ }
+ }
+
// ADA
//runway lights - 23 Mar 2001
// Delete runway lights and free memory
projects / flightgear.git / commitdiff