#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 <Aircraft/aircraft.hxx>
#include <Include/general.hxx>
: center( Point3D( 0.0 ) ),
tile_bucket( b ),
terra_transform( new ssgTransform ),
+ vasi_lights_transform( new ssgTransform ),
rwy_lights_transform( new ssgTransform ),
taxi_lights_transform( new ssgTransform ),
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
ssgDeRefDelete( gnd_lights_transform );
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 ) {
+ ssgDeRefDelete( vasi_lights_selector );
+ 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)
}
}
+ 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.
+
+ sgVec3 lift_vec;
+ sgCopyVec3( lift_vec, up );
+
+ // 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;
+ if ( agl < 0.0 ) {
+ agl = 0.0;
+ }
+
+ if ( general.get_glDepthBits() > 16 ) {
+ sgScaleVec3( lift_vec, 0.25 + agl / 400.0 + agl*agl / 5000000.0 );
+ } else {
+ sgScaleVec3( lift_vec, 0.25 + agl / 150.0 );
+ }
+
+ sgVec3 lt_trans;
+ sgCopyVec3( lt_trans, sgTrans );
+
+ sgAddVec3( lt_trans, lift_vec );
+ vasi_lights_transform->setTransform( lt_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
}
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;
}
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;
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 )
+FGTileEntry::load( const string_list &path_list, bool is_base )
{
- SG_LOG( SG_TERRAIN, SG_INFO, "load() base search path = "
- << base_path );
-
bool found_tile_base = false;
- string_list search = sgPathSplit( base_path );
-
// obj_load() will generate ground lighting for us ...
ssgVertexArray *light_pts = new ssgVertexArray( 100 );
ssgBranch* new_tile = new ssgBranch;
unsigned int i = 0;
- while ( i < search.size() && !found_tile_base ) {
+ while ( i < path_list.size() ) {
+
+ bool has_base = false;
// Generate names for later use
string index_str = tile_bucket.gen_index_str();
- SGPath tile_path = search[i];
+ SGPath tile_path = path_list[i];
tile_path.append( tile_bucket.gen_base_path() );
SGPath basename = tile_path;
while ( ! in.eof() ) {
in >> token;
+ // Load only once (first found)
if ( token == "OBJECT_BASE" ) {
in >> name >> ::skipws;
SG_LOG( SG_TERRAIN, SG_INFO, "token = " << token
<< " name = " << name );
- found_tile_base = true;
-
- SGPath custom_path = tile_path;
- custom_path.append( name );
-
- ssgBranch *geometry = new ssgBranch;
- if ( obj_load( custom_path.str(),
- geometry, NULL, NULL, light_pts, true ) )
- {
- new_tile -> addKid( geometry );
+ if (!found_tile_base) {
+ found_tile_base = true;
+ has_base = true;
+
+ SGPath custom_path = tile_path;
+ custom_path.append( name );
+
+ ssgBranch *geometry = new ssgBranch;
+ if ( obj_load( custom_path.str(),
+ geometry, NULL, NULL, NULL, light_pts,
+ true ) )
+ {
+ geometry->getKid( 0 )->setTravCallback(
+ SSG_CALLBACK_PRETRAV,
+ &FGTileMgr::tile_filter_cb );
+ new_tile -> addKid( geometry );
+ } else {
+ delete geometry;
+ }
} else {
- delete geometry;
+ SG_LOG( SG_TERRAIN, SG_INFO, " (skipped)" );
}
- } 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;
+ // Load only if base is not in another file
+ } else if ( token == "OBJECT" ) {
+ if (!found_tile_base || has_base) {
+ 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 *vasi_lights = new ssgBranch;
+ ssgBranch *rwy_lights = new ssgBranch;
+ 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 );
+ } else {
+ delete geometry;
+ }
+ if ( vasi_lights -> getNumKids() > 0 ) {
+ vasi_lights_transform -> addKid( vasi_lights );
+ } else {
+ delete vasi_lights;
+ }
+ 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 vasi_lights;
+ delete rwy_lights;
+ delete taxi_lights;
+ }
}
+ // Always OK to load
} else if ( token == "OBJECT_STATIC" ||
token == "OBJECT_SHARED" ) {
// load object info
FGDeferredModel *dm
= new FGDeferredModel( custom_path.str(),
tile_path.str(),
+ tile_bucket,
this, obj_trans );
FGTileMgr::model_ready( dm );
+
+ // Do we even use this one?
} else if ( token == "OBJECT_TAXI_SIGN" ) {
// load object info
double lon, lat, elev, hdg;
obj_trans -> addKid( custom_obj );
}
new_tile->addKid( obj_trans );
+
+ // Do we even use this one?
} else if ( token == "OBJECT_RUNWAY_SIGN" ) {
// load object info
double lon, lat, elev, hdg;
obj_trans -> addKid( custom_obj );
}
new_tile->addKid( obj_trans );
+
+ // I don't think we use this, either
} else if ( token == "RWY_LIGHTS" ) {
double lon, lat, hdg, len, width;
string common, end1, end2;
<< " codes = " << common << " "
<< end1 << " " << end2 );
} else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
+ SG_LOG( SG_TERRAIN, SG_DEBUG,
"Unknown token " << token << " in "
<< stg_name.str() );
in >> ::skipws;
ssgBranch *geometry = new ssgBranch;
Point3D c;
double br;
- if ( sgGenTile( search[0], tile_bucket, &c, &br,
+ if ( sgGenTile( path_list[0], tile_bucket, &c, &br,
globals->get_matlib(), geometry ) )
{
center = c;
gnd_lights_transform->setTransform( &sgcoord );
}
+ // Update vasi lights transform
+ if ( vasi_lights_transform->getNumKids() > 0 ) {
+ vasi_lights_transform->setTransform( &sgcoord );
+ }
+
// Update runway lights transform
if ( rwy_lights_transform->getNumKids() > 0 ) {
rwy_lights_transform->setTransform( &sgcoord );
}
}
+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.
+#if PLIB_VERSION > 183
+ makeDList( terra_transform );
+#endif
+
terra_transform->ref();
terrain_branch->addKid( terra_transform );
gnd_lights_branch->addKid( 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->ref();
+ vasi_lights_selector->addKid( 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.
}
}
+ // find the vasi lighting branch
+ if ( 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 ) {
pcount = rwy_lights_transform->getNumParents();