//
// Written by Curtis Olson, started May 1998.
//
-// Copyright (C) 1998 - 2001 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 1998 - 2001 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#endif
#include <simgear/compiler.h>
-
+#include <plib/ul.h>
#include <Main/main.hxx>
#include <simgear/bucket/newbucket.hxx>
#include <simgear/debug/logstream.hxx>
+#include <simgear/math/polar3d.hxx>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/math/sg_random.h>
#include <simgear/misc/sgstream.hxx>
#include <simgear/scene/material/matlib.hxx>
#include <simgear/scene/tgdb/apt_signs.hxx>
#include <simgear/scene/tgdb/obj.hxx>
+#include <simgear/scene/tgdb/vasi.hxx>
+#include <simgear/scene/model/placementtrans.hxx>
#include <Aircraft/aircraft.hxx>
#include <Include/general.hxx>
FGTileEntry::FGTileEntry ( const SGBucket& b )
: center( Point3D( 0.0 ) ),
tile_bucket( b ),
- terra_transform( new ssgTransform ),
- rwy_lights_transform( new ssgTransform ),
- taxi_lights_transform( new ssgTransform ),
+ terra_transform( new ssgPlacementTransform ),
+ vasi_lights_transform( new ssgPlacementTransform ),
+ rwy_lights_transform( new ssgPlacementTransform ),
+ taxi_lights_transform( new ssgPlacementTransform ),
terra_range( new ssgRangeSelector ),
+ vasi_lights_selector( new ssgSelector ),
rwy_lights_selector( new ssgSelector ),
taxi_lights_selector( new ssgSelector ),
loaded(false),
pending_models(0),
+ is_inner_ring(false),
free_tracker(0)
{
// update the contents
// is intended to spread the load of freeing a complex tile out over
// several frames.
static int fgPartialFreeSSGtree( ssgBranch *b, int n ) {
-
-#if 0
- // for testing: we could call the following two lines and replace
- // the functionality of this entire function and everything will
- // get properly freed, but it will happen all at once and could
- // cause a huge frame rate hit.
- ssgDeRefDelete( b );
- return 0;
-#endif
-
int num_deletes = 0;
if ( n > 0 ) {
// disconnected from the scene graph)
SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING terra_transform" );
if ( fgPartialFreeSSGtree( terra_transform, delete_size ) == 0 ) {
- ssgDeRefDelete( terra_transform );
+ terra_transform = 0;
free_tracker |= TERRA_NODE;
}
} else if ( !(free_tracker & GROUND_LIGHTS) && gnd_lights_transform ) {
// disconnected from the scene graph)
SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING gnd_lights_transform" );
if ( fgPartialFreeSSGtree( gnd_lights_transform, delete_size ) == 0 ) {
- ssgDeRefDelete( gnd_lights_transform );
+ gnd_lights_transform = 0;
free_tracker |= GROUND_LIGHTS;
}
+ } else if ( !(free_tracker & VASI_LIGHTS) && vasi_lights_selector ) {
+ // delete the runway lighting branch (this should already have
+ // been disconnected from the scene graph)
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING vasi_lights_selector" );
+ if ( fgPartialFreeSSGtree( vasi_lights_selector, delete_size ) == 0 ) {
+ vasi_lights_selector = 0;
+ free_tracker |= VASI_LIGHTS;
+ }
} else if ( !(free_tracker & RWY_LIGHTS) && rwy_lights_selector ) {
// delete the runway lighting branch (this should already have
// been disconnected from the scene graph)
SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING rwy_lights_selector" );
if ( fgPartialFreeSSGtree( rwy_lights_selector, delete_size ) == 0 ) {
- ssgDeRefDelete( rwy_lights_selector );
+ rwy_lights_selector = 0;
free_tracker |= RWY_LIGHTS;
}
} else if ( !(free_tracker & TAXI_LIGHTS) && taxi_lights_selector ) {
// disconnected from the scene graph)
SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING taxi_lights_selector" );
if ( fgPartialFreeSSGtree( taxi_lights_selector, delete_size ) == 0 ) {
- ssgDeRefDelete( taxi_lights_selector );
+ taxi_lights_selector = 0;
free_tracker |= TAXI_LIGHTS;
}
} else if ( !(free_tracker & LIGHTMAPS) ) {
void FGTileEntry::prep_ssg_node( const Point3D& p, sgVec3 up, float vis) {
if ( !loaded ) return;
- SetOffset( p );
-
// visibility can change from frame to frame so we update the
// range selector cutoff's each time.
terra_range->setRange( 0, SG_ZERO );
gnd_lights_range->setRange( 1, vis * 1.5 + bounding_radius );
}
- sgVec3 sgTrans;
- sgSetVec3( sgTrans, offset.x(), offset.y(), offset.z() );
- terra_transform->setTransform( sgTrans );
+ sgdVec3 sgdTrans;
+ sgdSetVec3( sgdTrans, center.x(), center.y(), center.z() );
+ FGLight *l = (FGLight *)(globals->get_subsystem("lighting"));
if ( gnd_lights_transform ) {
// we need to lift the lights above the terrain to avoid
// z-buffer fighting. We do this based on our altitude and
sgCopyVec3( lift_vec, up );
double agl;
- agl = globals->get_current_view()->getAltitudeASL_ft()
- * SG_FEET_TO_METER - globals->get_scenery()->get_cur_elev();
+ agl = globals->get_current_view()->getAltitudeASL_ft()*SG_FEET_TO_METER
+ - globals->get_current_view()->getSGLocation()->get_cur_elev_m();
- // 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 );
+ // Compute the distance of the scenery center from the view position.
+ double dist = center.distance3D(p);
if ( general.get_glDepthBits() > 16 ) {
sgScaleVec3( lift_vec, 10.0 + agl / 100.0 + dist / 10000 );
sgScaleVec3( lift_vec, 10.0 + agl / 20.0 + dist / 5000 );
}
- sgVec3 lt_trans;
- sgCopyVec3( lt_trans, sgTrans );
-
- sgAddVec3( lt_trans, lift_vec );
- gnd_lights_transform->setTransform( lt_trans );
+ sgdVec3 dlt_trans;
+ sgdCopyVec3( dlt_trans, sgdTrans );
+ sgdVec3 dlift_vec;
+ sgdSetVec3( dlift_vec, lift_vec );
+ sgdAddVec3( dlt_trans, dlift_vec );
+ gnd_lights_transform->setTransform( dlt_trans );
// select which set of lights based on sun angle
- float sun_angle = cur_light_params.sun_angle * SGD_RADIANS_TO_DEGREES;
+ float sun_angle = l->get_sun_angle() * SGD_RADIANS_TO_DEGREES;
if ( sun_angle > 95 ) {
gnd_lights_brightness->select(0x04);
} else if ( sun_angle > 92 ) {
}
}
- if ( rwy_lights_transform ) {
+ if ( vasi_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.
// we fudge agl by 30 meters so that the lifting function
// doesn't phase in until we are > 30m agl.
double agl;
- agl = globals->get_current_view()->getAltitudeASL_ft()
- * SG_FEET_TO_METER - globals->get_scenery()->get_cur_elev()
- - 30.0;
+ agl = globals->get_current_view()->getAltitudeASL_ft()*SG_FEET_TO_METER
+ - globals->get_current_view()->getSGLocation()->get_cur_elev_m()
+ - 30.0;
if ( agl < 0.0 ) {
agl = 0.0;
}
if ( general.get_glDepthBits() > 16 ) {
- sgScaleVec3( lift_vec, 0.0 + agl / 500.0 );
+ sgScaleVec3( lift_vec, 0.25 + agl / 400.0 + agl*agl / 5000000.0 );
} else {
- sgScaleVec3( lift_vec, 0.0 + agl / 150.0 );
+ sgScaleVec3( lift_vec, 0.25 + agl / 150.0 );
}
- sgVec3 lt_trans;
- sgCopyVec3( lt_trans, sgTrans );
+ sgdVec3 dlt_trans;
+ sgdCopyVec3( dlt_trans, sgdTrans );
+ sgdVec3 dlift_vec;
+ sgdSetVec3( dlift_vec, lift_vec );
+ sgdAddVec3( dlt_trans, dlift_vec );
+ vasi_lights_transform->setTransform( dlt_trans );
+
+ // generally, vasi lights are always on
+ vasi_lights_selector->select(0x01);
+ }
+
+ 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 lift_vec;
+ sgCopyVec3( lift_vec, up );
- sgAddVec3( lt_trans, lift_vec );
- rwy_lights_transform->setTransform( lt_trans );
+ // we fudge agl by 30 meters so that the lifting function
+ // doesn't phase in until we are > 30m agl.
+ double agl;
+ agl = globals->get_current_view()->getAltitudeASL_ft()*SG_FEET_TO_METER
+ - globals->get_current_view()->getSGLocation()->get_cur_elev_m()
+ - 30.0;
+ if ( agl < 0.0 ) {
+ agl = 0.0;
+ }
+
+ if ( general.get_glDepthBits() > 16 ) {
+ sgScaleVec3( lift_vec, 0.01 + agl / 400.0 + agl*agl / 5000000.0 );
+ } else {
+ sgScaleVec3( lift_vec, 0.25 + agl / 150.0 );
+ }
+
+ sgdVec3 dlt_trans;
+ sgdCopyVec3( dlt_trans, sgdTrans );
+ sgdVec3 dlift_vec;
+ sgdSetVec3( dlift_vec, lift_vec );
+ sgdAddVec3( dlt_trans, dlift_vec );
+ rwy_lights_transform->setTransform( dlt_trans );
// turn runway lights on/off based on sun angle and visibility
- float sun_angle = cur_light_params.sun_angle * SGD_RADIANS_TO_DEGREES;
+ float sun_angle = l->get_sun_angle() * SGD_RADIANS_TO_DEGREES;
if ( sun_angle > 85 ||
(fgGetDouble("/environment/visibility-m") < 5000.0) ) {
rwy_lights_selector->select(0x01);
// we fudge agl by 30 meters so that the lifting function
// doesn't phase in until we are > 30m agl.
double agl;
- agl = globals->get_current_view()->getAltitudeASL_ft()
- * SG_FEET_TO_METER - globals->get_scenery()->get_cur_elev()
- - 30.0;
+ agl = globals->get_current_view()->getAltitudeASL_ft()*SG_FEET_TO_METER
+ - globals->get_current_view()->getSGLocation()->get_cur_elev_m()
+ - 30.0;
if ( agl < 0.0 ) {
agl = 0.0;
}
if ( general.get_glDepthBits() > 16 ) {
- sgScaleVec3( lift_vec, 0.0 + agl / 500.0 );
+ sgScaleVec3( lift_vec, 0.01 + agl / 400.0 + agl*agl / 5000000.0 );
} else {
- sgScaleVec3( lift_vec, 0.0 + agl / 150.0 );
+ sgScaleVec3( lift_vec, 0.25 + agl / 150.0 );
}
- sgVec3 lt_trans;
- sgCopyVec3( lt_trans, sgTrans );
-
- sgAddVec3( lt_trans, lift_vec );
- taxi_lights_transform->setTransform( lt_trans );
+ sgdVec3 dlt_trans;
+ sgdCopyVec3( dlt_trans, sgdTrans );
+ sgdVec3 dlift_vec;
+ sgdSetVec3( dlift_vec, lift_vec );
+ sgdAddVec3( dlt_trans, dlift_vec );
+ taxi_lights_transform->setTransform( dlt_trans );
// turn taxi lights on/off based on sun angle and visibility
- float sun_angle = cur_light_params.sun_angle * SGD_RADIANS_TO_DEGREES;
+ float sun_angle = l->get_sun_angle() * SGD_RADIANS_TO_DEGREES;
if ( sun_angle > 85 ||
(fgGetDouble("/environment/visibility-m") < 5000.0) ) {
taxi_lights_selector->select(0x01);
taxi_lights_selector->select(0x00);
}
}
+
+ if ( vasi_lights_transform && is_inner_ring ) {
+ // now we need to traverse the list of vasi lights and update
+ // their coloring (but only for the inner ring, no point in
+ // doing this extra work for tiles that are relatively far
+ // away.)
+ for ( int i = 0; i < vasi_lights_transform->getNumKids(); ++i ) {
+ // cout << "vasi root = " << i << endl;
+ ssgBranch *v = (ssgBranch *)vasi_lights_transform->getKid(i);
+ for ( int j = 0; j < v->getNumKids(); ++j ) {
+ // cout << " vasi branch = " << j << endl;
+ ssgTransform *kid = (ssgTransform *)v->getKid(j);
+ SGVASIUserData *vasi = (SGVASIUserData *)kid->getUserData();
+
+ if ( vasi != NULL ) {
+ sgdVec3 s;
+ sgdCopyVec3( s, vasi->get_abs_pos() );
+ Point3D start(s[0], s[1], s[2]);
+
+ sgdVec3 d;
+ sgdCopyVec3( d, globals->get_current_view()->get_absolute_view_pos() );
+
+ double dist = sgdDistanceVec3( s, d );
+
+ if ( dist < 10000 ) {
+ double cur_alt
+ = globals->get_current_view()->getAltitudeASL_ft()
+ * SG_FEET_TO_METER;
+
+ double y = cur_alt - vasi->get_alt_m();
+
+ double angle;
+ if ( dist != 0 ) {
+ angle = asin( y / dist );
+ } else {
+ angle = 0.0;
+ }
+
+ vasi->set_color(angle * SG_RADIANS_TO_DEGREES);
+ }
+ // cout << " dist = " << dist
+ // << " angle = " << angle * SG_RADIANS_TO_DEGREES
+ // << endl;
+ } else {
+ SG_LOG( SG_TERRAIN, SG_ALERT, "no vasi data!" );
+ }
+ }
+ }
+ }
}
bool FGTileEntry::obj_load( const string& path,
- ssgBranch* geometry,
- ssgBranch* rwy_lights,
- ssgBranch* taxi_lights,
- ssgVertexArray* ground_lights, bool is_base )
+ ssgBranch *geometry,
+ ssgBranch *vasi_lights,
+ ssgBranch *rwy_lights,
+ ssgBranch *taxi_lights,
+ ssgVertexArray *ground_lights, bool is_base )
{
Point3D c; // returned center point
double br; // returned bounding radius
// try loading binary format
if ( sgBinObjLoad( path, is_base,
&c, &br, globals->get_matlib(), use_random_objects,
- geometry, rwy_lights, taxi_lights, ground_lights ) )
+ geometry, vasi_lights, rwy_lights, taxi_lights,
+ ground_lights ) )
{
if ( is_base ) {
center = c;
}
-void
-FGTileEntry::load( const string &base_path, bool is_base )
-{
- SG_LOG( SG_TERRAIN, SG_INFO, "load() base search path = "
- << base_path );
+typedef enum {
+ OBJECT,
+ OBJECT_SHARED,
+ OBJECT_STATIC,
+ OBJECT_SIGN,
+ OBJECT_RUNWAY_SIGN
+} object_type;
- bool found_tile_base = false;
- string_list search = sgPathSplit( base_path );
+// storage class for deferred object processing in FGTileEntry::load()
+struct Object {
+ Object(object_type t, const string& token, const SGPath& p, istream& in)
+ : type(t), path(p)
+ {
+ in >> name;
+ if (type != OBJECT)
+ in >> lon >> lat >> elev >> hdg;
+ in >> ::skipeol;
+
+ if (type == OBJECT)
+ SG_LOG(SG_TERRAIN, SG_INFO, " " << token << " " << name);
+ else
+ SG_LOG(SG_TERRAIN, SG_INFO, " " << token << " " << name << " lon=" <<
+ lon << " lat=" << lat << " elev=" << elev << " hdg=" << hdg);
+ }
+ object_type type;
+ string name;
+ SGPath path;
+ double lon, lat, elev, hdg;
+};
- // obj_load() will generate ground lighting for us ...
- ssgVertexArray *light_pts = new ssgVertexArray( 100 );
- ssgBranch* new_tile = new ssgBranch;
+void
+FGTileEntry::load( const string_list &path_list, bool is_base )
+{
+ bool found_tile_base = false;
- unsigned int i = 0;
- while ( i < search.size() && !found_tile_base ) {
+ SGPath object_base;
+ vector<const Object*> objects;
+
+ string index_str = tile_bucket.gen_index_str();
+ SG_LOG( SG_TERRAIN, SG_INFO, "Loading tile " << index_str );
+
+ // scan and parse all files and store information
+ for (unsigned int i = 0; i < path_list.size(); i++) {
+ // If we found a terrain tile in Terrain/, we have to process the
+ // Objects/ dir in the same group, too, before we can stop scanning.
+ // FGGlobals::set_fg_scenery() inserts an empty string to path_list
+ // as marker.
+ if (path_list[i].empty()) {
+ if (found_tile_base)
+ break;
+ else
+ continue;
+ }
- // Generate names for later use
- string index_str = tile_bucket.gen_index_str();
+ bool has_base = false;
- SGPath tile_path = search[i];
+ SGPath tile_path = path_list[i];
tile_path.append( tile_bucket.gen_base_path() );
SGPath basename = tile_path;
basename.append( index_str );
- // string path = basename.str();
- SG_LOG( SG_TERRAIN, SG_INFO, "Loading tile " << basename.str() );
+ SG_LOG( SG_TERRAIN, SG_INFO, " Trying " << basename.str() );
-#define FG_MAX_LIGHTS 1000
// Check for master .stg (scene terra gear) file
SGPath stg_name = basename;
stg_name.concat( ".stg" );
sg_gzifstream in( stg_name.str() );
+ if ( !in.is_open() )
+ continue;
- if ( in.is_open() ) {
- string token, name;
+ while ( ! in.eof() ) {
+ string token;
+ in >> token;
- while ( ! in.eof() ) {
- in >> token;
-
- if ( token == "OBJECT_BASE" ) {
- in >> name >> ::skipws;
- SG_LOG( SG_TERRAIN, SG_INFO, "token = " << token
- << " name = " << name );
+ if ( token[0] == '#' ) {
+ in >> ::skipeol;
+ continue;
+ }
+ // Load only once (first found)
+ if ( token == "OBJECT_BASE" ) {
+ string name;
+ in >> name >> ::skipws;
+ SG_LOG( SG_TERRAIN, SG_INFO, " " << token << " " << name );
+ if (!found_tile_base) {
found_tile_base = true;
+ has_base = true;
+
+ object_base = tile_path;
+ object_base.append(name);
+
+ } else
+ SG_LOG(SG_TERRAIN, SG_INFO, " (skipped)");
+
+ // Load only if base is not in another file
+ } else if ( token == "OBJECT" ) {
+ if (!found_tile_base || has_base)
+ objects.push_back(new Object(OBJECT, token, tile_path, in));
+ else {
+ string name;
+ in >> name >> ::skipeol;
+ SG_LOG(SG_TERRAIN, SG_INFO, " " << token << " "
+ << name << " (skipped)");
+ }
- SGPath custom_path = tile_path;
- custom_path.append( name );
+ // Always OK to load
+ } else if ( token == "OBJECT_STATIC" ) {
+ objects.push_back(new Object(OBJECT_STATIC, token, tile_path, in));
- ssgBranch *geometry = new ssgBranch;
- if ( obj_load( custom_path.str(),
- geometry, NULL, NULL, light_pts, true ) )
- {
- new_tile -> addKid( geometry );
- } else {
- delete geometry;
- }
- } else if ( token == "OBJECT" ) {
- in >> name >> ::skipws;
- SG_LOG( SG_TERRAIN, SG_INFO, "token = " << token
- << " name = " << name );
-
- SGPath custom_path = tile_path;
- custom_path.append( name );
-
- ssgBranch *geometry = new ssgBranch;
- ssgBranch *rwy_lights = new ssgBranch;
- ssgBranch *taxi_lights = new ssgBranch;
- if ( obj_load( custom_path.str(),
- geometry, rwy_lights, taxi_lights,
- NULL, false ) )
- {
- if ( geometry -> getNumKids() > 0 ) {
- new_tile -> addKid( geometry );
- } else {
- delete geometry;
- }
- if ( rwy_lights -> getNumKids() > 0 ) {
- rwy_lights_transform -> addKid( rwy_lights );
- } else {
- delete rwy_lights;
- }
- if ( taxi_lights -> getNumKids() > 0 ) {
- taxi_lights_transform -> addKid( taxi_lights );
- } else {
- delete taxi_lights;
- }
- } else {
- delete geometry;
- delete rwy_lights;
- delete taxi_lights;
- }
+ } else if ( token == "OBJECT_SHARED" ) {
+ objects.push_back(new Object(OBJECT_SHARED, token, tile_path, in));
- } else if ( token == "OBJECT_STATIC" ||
- token == "OBJECT_SHARED" ) {
- // 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;
- if ( token == "OBJECT_STATIC" ) {
- 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
- = sgMakeTaxiSign( globals->get_matlib(),
- custom_path.str(), name );
-
- // wire the pieces together
- if ( 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
- = sgMakeRunwaySign( globals->get_matlib(),
- custom_path.str(), name );
-
- // wire the pieces together
- if ( custom_obj != NULL ) {
- obj_trans -> addKid( custom_obj );
- }
- new_tile->addKid( obj_trans );
- } else if ( token == "RWY_LIGHTS" ) {
- double lon, lat, hdg, len, width;
- string common, end1, end2;
- in >> lon >> lat >> hdg >> len >> width
- >> common >> end1 >> end2;
- SG_LOG( SG_TERRAIN, SG_INFO, "token = " << token
- << " pos = " << lon << ", " << lat
- << " hdg = " << hdg
- << " size = " << len << ", " << width
- << " codes = " << common << " "
- << end1 << " " << end2 );
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Unknown token " << token << " in "
- << stg_name.str() );
- in >> ::skipws;
- }
+ } else if ( token == "OBJECT_SIGN" ) {
+ objects.push_back(new Object(OBJECT_SIGN, token, tile_path, in));
+
+ } else if ( token == "OBJECT_RUNWAY_SIGN" ) {
+ objects.push_back(new Object(OBJECT_RUNWAY_SIGN, token, tile_path, in));
+
+ } else {
+ SG_LOG( SG_TERRAIN, SG_DEBUG,
+ "Unknown token '" << token << "' in " << stg_name.str() );
+ in >> ::skipws;
}
}
-
- i++;
}
- if ( !found_tile_base ) {
- // no tile base found, generate an ocean tile on the fly for
- // this area
- ssgBranch *geometry = new ssgBranch;
+
+ // obj_load() will generate ground lighting for us ...
+ ssgVertexArray *light_pts = new ssgVertexArray( 100 );
+ ssgBranch* new_tile = new ssgBranch;
+
+
+ if (found_tile_base) {
+ // load tile if found ...
+ ssgSharedPtr<ssgBranch> geometry = new ssgBranch;
+ if ( obj_load( object_base.str(), geometry,
+ NULL, NULL, NULL, light_pts, true ) ) {
+ geometry->getKid( 0 )->setTravCallback(SSG_CALLBACK_PRETRAV,
+ &FGTileMgr::tile_filter_cb);
+
+ new_tile -> addKid( geometry );
+ }
+
+ } else {
+ // ... or generate an ocean tile on the fly
+ SG_LOG(SG_TERRAIN, SG_INFO, " Generating ocean tile");
+ ssgSharedPtr<ssgBranch> geometry = new ssgBranch;
Point3D c;
double br;
- if ( sgGenTile( search[0], tile_bucket, &c, &br,
- globals->get_matlib(), geometry ) )
- {
+ if ( sgGenTile( path_list[0], tile_bucket, &c, &br,
+ globals->get_matlib(), geometry ) ) {
center = c;
bounding_radius = br;
new_tile -> addKid( geometry );
} else {
- delete geometry;
SG_LOG( SG_TERRAIN, SG_ALERT,
"Warning: failed to generate ocean tile!" );
}
}
+
+ // now that we have a valid center, process all the objects
+ for (unsigned int j = 0; j < objects.size(); j++) {
+ const Object *obj = objects[j];
+
+ if (obj->type == OBJECT) {
+ SGPath custom_path = obj->path;
+ custom_path.append( obj->name );
+
+ ssgSharedPtr<ssgBranch> geometry = new ssgBranch;
+ ssgSharedPtr<ssgBranch> vasi_lights = new ssgBranch;
+ ssgSharedPtr<ssgBranch> rwy_lights = new ssgBranch;
+ ssgSharedPtr<ssgBranch> taxi_lights = new ssgBranch;
+
+ if ( obj_load( custom_path.str(),
+ geometry, vasi_lights, rwy_lights,
+ taxi_lights, NULL, false ) ) {
+
+ if ( geometry -> getNumKids() > 0 ) {
+ geometry->getKid( 0 )->setTravCallback(
+ SSG_CALLBACK_PRETRAV,
+ &FGTileMgr::tile_filter_cb );
+ new_tile -> addKid( geometry );
+ }
+
+ if ( vasi_lights -> getNumKids() > 0 )
+ vasi_lights_transform -> addKid( vasi_lights );
+
+ if ( rwy_lights -> getNumKids() > 0 )
+ rwy_lights_transform -> addKid( rwy_lights );
+
+ if ( taxi_lights -> getNumKids() > 0 )
+ taxi_lights_transform -> addKid( taxi_lights );
+ }
+
+
+ } else if (obj->type == OBJECT_SHARED || obj->type == OBJECT_STATIC) {
+ // object loading is deferred to main render thread,
+ // but lets figure out the paths right now.
+ SGPath custom_path;
+ if ( obj->type == OBJECT_STATIC ) {
+ custom_path = obj->path;
+ } else {
+ custom_path = globals->get_fg_root();
+ }
+ custom_path.append( obj->name );
+
+ sgCoord obj_pos;
+ WorldCoordinate( &obj_pos, center, obj->lat, obj->lon, obj->elev, obj->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 );
+ pending_models++;
+
+ // push an entry onto the model load queue
+ FGDeferredModel *dm
+ = new FGDeferredModel( custom_path.str(),
+ obj->path.str(),
+ tile_bucket,
+ this, obj_trans,
+ obj->type == OBJECT_SHARED );
+ FGTileMgr::model_ready( dm );
+
+
+ } else if (obj->type == OBJECT_SIGN || obj->type == OBJECT_RUNWAY_SIGN) {
+ ssgBranch *(*make_sign)(SGMaterialLib *, const string, const string);
+ make_sign = obj->type == OBJECT_SIGN ? sgMakeSign : sgMakeRunwaySign;
+
+ // load the object itself
+ SGPath custom_path = obj->path;
+ custom_path.append( obj->name );
+
+ sgCoord obj_pos;
+ WorldCoordinate( &obj_pos, center, obj->lat, obj->lon, obj->elev, obj->hdg );
+
+ ssgTransform *obj_trans = new ssgTransform;
+ obj_trans->setTransform( &obj_pos );
+
+ ssgBranch *custom_obj
+ = (*make_sign)(globals->get_matlib(), custom_path.str(), obj->name);
+
+ // wire the pieces together
+ if ( custom_obj != NULL ) {
+ obj_trans -> addKid( custom_obj );
+ }
+ new_tile->addKid( obj_trans );
+
+ }
+ delete obj;
+ }
+
+
if ( new_tile != NULL ) {
terra_range->addKid( new_tile );
}
terra_transform->addKid( terra_range );
// calculate initial tile offset
- SetOffset( globals->get_scenery()->get_center() );
- sgCoord sgcoord;
- sgSetCoord( &sgcoord,
- offset.x(), offset.y(), offset.z(),
- 0.0, 0.0, 0.0 );
- terra_transform->setTransform( &sgcoord );
- // terrain->addKid( terra_transform );
+ sgdVec3 sgdTrans;
+ sgdSetVec3( sgdTrans, center.x(), center.y(), center.z() );
+ terra_transform->setTransform( sgdTrans );
// Add ground lights to scene graph if any exist
gnd_lights_transform = NULL;
gnd_lights_range = NULL;
if ( light_pts->getNum() ) {
SG_LOG( SG_TERRAIN, SG_DEBUG, "generating lights" );
- gnd_lights_transform = new ssgTransform;
+ gnd_lights_transform = new ssgPlacementTransform;
gnd_lights_range = new ssgRangeSelector;
gnd_lights_brightness = new ssgSelector;
ssgLeaf *lights;
gnd_lights_range->addKid( gnd_lights_brightness );
gnd_lights_transform->addKid( gnd_lights_range );
- gnd_lights_transform->setTransform( &sgcoord );
+ gnd_lights_transform->setTransform( sgdTrans );
+ }
+
+ // Update vasi lights transform
+ if ( vasi_lights_transform->getNumKids() > 0 ) {
+ vasi_lights_transform->setTransform( sgdTrans );
}
// Update runway lights transform
if ( rwy_lights_transform->getNumKids() > 0 ) {
- rwy_lights_transform->setTransform( &sgcoord );
+ rwy_lights_transform->setTransform( sgdTrans );
}
// Update taxi lights transform
if ( taxi_lights_transform->getNumKids() > 0 ) {
- taxi_lights_transform->setTransform( &sgcoord );
+ taxi_lights_transform->setTransform( sgdTrans );
}
+
+ delete light_pts;
}
+void
+FGTileEntry::makeDList( ssgBranch *b )
+{
+ int nb = b->getNumKids();
+ for (int i = 0; i<nb; i++) {
+ ssgEntity *e = b->getKid(i);
+ if (e->isAKindOf(ssgTypeLeaf())) {
+ ((ssgLeaf*)e)->makeDList();
+ } else if (e->isAKindOf(ssgTypeBranch())) {
+ makeDList( (ssgBranch*)e );
+ }
+ }
+}
void
-FGTileEntry::add_ssg_nodes( ssgBranch* terrain_branch,
- ssgBranch* gnd_lights_branch,
- ssgBranch* rwy_lights_branch,
- ssgBranch* taxi_lights_branch )
+FGTileEntry::add_ssg_nodes( ssgBranch *terrain_branch,
+ ssgBranch *gnd_lights_branch,
+ ssgBranch *vasi_lights_branch,
+ ssgBranch *rwy_lights_branch,
+ ssgBranch *taxi_lights_branch )
{
// bump up the ref count so we can remove this later without
// having ssg try to free the memory.
- terra_transform->ref();
+#if PLIB_VERSION > 183
+ if ( fgGetBool( "/sim/rendering/use-display-list", true ) ) {
+ makeDList( terra_transform );
+ }
+#endif
+
terrain_branch->addKid( terra_transform );
+ globals->get_scenery()->register_placement_transform(terra_transform);
SG_LOG( SG_TERRAIN, SG_DEBUG,
"connected a tile into scene graph. terra_transform = "
if ( gnd_lights_transform != NULL ) {
// bump up the ref count so we can remove this later without
// having ssg try to free the memory.
- gnd_lights_transform->ref();
gnd_lights_branch->addKid( gnd_lights_transform );
+ globals->get_scenery()->register_placement_transform(gnd_lights_transform);
+ }
+
+ if ( vasi_lights_transform != NULL ) {
+ // bump up the ref count so we can remove this later without
+ // having ssg try to free the memory.
+ vasi_lights_selector->addKid( vasi_lights_transform );
+ globals->get_scenery()->register_placement_transform(vasi_lights_transform);
+ vasi_lights_branch->addKid( vasi_lights_selector );
}
if ( rwy_lights_transform != NULL ) {
// bump up the ref count so we can remove this later without
// having ssg try to free the memory.
- rwy_lights_selector->ref();
rwy_lights_selector->addKid( rwy_lights_transform );
+ globals->get_scenery()->register_placement_transform(rwy_lights_transform);
rwy_lights_branch->addKid( rwy_lights_selector );
}
if ( taxi_lights_transform != NULL ) {
// bump up the ref count so we can remove this later without
// having ssg try to free the memory.
- taxi_lights_selector->ref();
taxi_lights_selector->addKid( taxi_lights_transform );
+ globals->get_scenery()->register_placement_transform(taxi_lights_transform);
taxi_lights_branch->addKid( taxi_lights_selector );
}
SG_LOG( SG_TERRAIN, SG_DEBUG, "removing a fully loaded tile! terra_transform = " << terra_transform );
}
+ // Unregister that one at the scenery manager
+ globals->get_scenery()->unregister_placement_transform(terra_transform);
+
// find the terrain branch parent
int pcount = terra_transform->getNumParents();
if ( pcount > 0 ) {
// find the ground lighting branch
if ( gnd_lights_transform ) {
+ // Unregister that one at the scenery manager
+ globals->get_scenery()->unregister_placement_transform(gnd_lights_transform);
pcount = gnd_lights_transform->getNumParents();
if ( pcount > 0 ) {
// find the first parent (should only be one)
}
}
+ // find the vasi lighting branch
+ if ( vasi_lights_transform ) {
+ // Unregister that one at the scenery manager
+ globals->get_scenery()->unregister_placement_transform(vasi_lights_transform);
+ pcount = vasi_lights_transform->getNumParents();
+ if ( pcount > 0 ) {
+ // find the first parent (should only be one)
+ ssgBranch *parent = vasi_lights_transform->getParent( 0 ) ;
+ if( parent ) {
+ // disconnect the light branch (we previously ref()'d
+ // it so it won't get freed now)
+ parent->removeKid( vasi_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);
+ }
+ }
+
// find the runway lighting branch
if ( rwy_lights_transform ) {
+ // Unregister that one at the scenery manager
+ globals->get_scenery()->unregister_placement_transform(rwy_lights_transform);
pcount = rwy_lights_transform->getNumParents();
if ( pcount > 0 ) {
// find the first parent (should only be one)
// find the taxi lighting branch
if ( taxi_lights_transform ) {
+ // Unregister that one at the scenery manager
+ globals->get_scenery()->unregister_placement_transform(taxi_lights_transform);
pcount = taxi_lights_transform->getNumParents();
if ( pcount > 0 ) {
// find the first parent (should only be one)
projects / flightgear.git / blobdiff