//
// 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.
-//
-// $Id$
-
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifdef HAVE_CONFIG_H
# include <config.h>
#include <simgear/compiler.h>
-#include <Main/main.hxx>
+#include <string>
+#include <sstream>
+#include <istream>
-
-#include STL_STRING
+#include <osg/LOD>
#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/mat.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>
-#include <Main/fg_props.hxx>
-#include <Main/globals.hxx>
-#include <Main/viewer.hxx>
-#include <Scenery/scenery.hxx>
-#include <Time/light.hxx>
#include "tileentry.hxx"
-#include "tilemgr.hxx"
-
-SG_USING_STD(string);
+using std::string;
// Constructor
-FGTileEntry::FGTileEntry ( const SGBucket& b )
- : 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)
+TileEntry::TileEntry ( const SGBucket& b )
+ : tile_bucket( b ),
+ tileFileName(b.gen_index_str()),
+ _node( new osg::LOD ),
+ _priority(-FLT_MAX),
+ _current_view(false),
+ _time_expired(-1.0)
{
- // update the contents
- // if ( vec3_ptrs.size() || vec2_ptrs.size() || index_ptrs.size() ) {
- // SG_LOG( SG_TERRAIN, SG_ALERT,
- // "Attempting to overwrite existing or"
- // << " not properly freed leaf data." );
- // exit(-1);
- // }
+ tileFileName += ".stg";
+ _node->setName(tileFileName);
+ // Give a default LOD range so that traversals that traverse
+ // active children (like the groundcache lookup) will work before
+ // tile manager has had a chance to update this node.
+ _node->setRange(0, 0.0, 10000.0);
}
-
-// Destructor
-FGTileEntry::~FGTileEntry () {
- // cout << "nodes = " << nodes.size() << endl;;
- // delete[] nodes;
-}
-
-
-#if 0
-// Please keep this for reference. We use Norman's optimized routine,
-// but here is what the routine really is doing.
-void
-FGTileEntry::WorldCoordinate( sgCoord *obj_pos, Point3D center,
- double lat, double lon, double elev, double hdg)
+TileEntry::TileEntry( const TileEntry& t )
+: tile_bucket( t.tile_bucket ),
+ tileFileName(t.tileFileName),
+ _node( new osg::LOD ),
+ _priority(t._priority),
+ _current_view(t._current_view),
+ _time_expired(t._time_expired)
{
- // setup transforms
- Point3D geod( lon * SGD_DEGREES_TO_RADIANS,
- lat * SGD_DEGREES_TO_RADIANS,
- elev );
-
- Point3D world_pos = sgGeodToCart( geod );
- Point3D offset = world_pos - center;
-
- sgMat4 POS;
- sgMakeTransMat4( POS, offset.x(), offset.y(), offset.z() );
-
- sgVec3 obj_rt, obj_up;
- sgSetVec3( obj_rt, 0.0, 1.0, 0.0); // Y axis
- sgSetVec3( obj_up, 0.0, 0.0, 1.0); // Z axis
-
- sgMat4 ROT_lon, ROT_lat, ROT_hdg;
- sgMakeRotMat4( ROT_lon, lon, obj_up );
- sgMakeRotMat4( ROT_lat, 90 - lat, obj_rt );
- sgMakeRotMat4( ROT_hdg, hdg, obj_up );
-
- sgMat4 TUX;
- sgCopyMat4( TUX, ROT_hdg );
- sgPostMultMat4( TUX, ROT_lat );
- sgPostMultMat4( TUX, ROT_lon );
- sgPostMultMat4( TUX, POS );
-
- sgSetCoord( obj_pos, TUX );
+ _node->setName(tileFileName);
+ // Give a default LOD range so that traversals that traverse
+ // active children (like the groundcache lookup) will work before
+ // tile manager has had a chance to update this node.
+ _node->setRange(0, 0.0, 10000.0);
}
-#endif
-
-// Norman's 'fast hack' for above
-static void WorldCoordinate( sgCoord *obj_pos, Point3D center, double lat,
- double lon, double elev, double hdg )
+// Destructor
+TileEntry::~TileEntry ()
{
- double lon_rad = lon * SGD_DEGREES_TO_RADIANS;
- double lat_rad = lat * SGD_DEGREES_TO_RADIANS;
- double hdg_rad = hdg * SGD_DEGREES_TO_RADIANS;
-
- // setup transforms
- Point3D geod( lon_rad, lat_rad, elev );
-
- Point3D world_pos = sgGeodToCart( geod );
- Point3D offset = world_pos - center;
-
- sgMat4 mat;
-
- SGfloat sin_lat = (SGfloat)sin( lat_rad );
- SGfloat cos_lat = (SGfloat)cos( lat_rad );
- SGfloat cos_lon = (SGfloat)cos( lon_rad );
- SGfloat sin_lon = (SGfloat)sin( lon_rad );
- SGfloat sin_hdg = (SGfloat)sin( hdg_rad ) ;
- SGfloat cos_hdg = (SGfloat)cos( hdg_rad ) ;
-
- mat[0][0] = cos_hdg * (SGfloat)sin_lat * (SGfloat)cos_lon - sin_hdg * (SGfloat)sin_lon;
- mat[0][1] = cos_hdg * (SGfloat)sin_lat * (SGfloat)sin_lon + sin_hdg * (SGfloat)cos_lon;
- mat[0][2] = -cos_hdg * (SGfloat)cos_lat;
- mat[0][3] = SG_ZERO;
-
- mat[1][0] = -sin_hdg * (SGfloat)sin_lat * (SGfloat)cos_lon - cos_hdg * (SGfloat)sin_lon;
- mat[1][1] = -sin_hdg * (SGfloat)sin_lat * (SGfloat)sin_lon + cos_hdg * (SGfloat)cos_lon;
- mat[1][2] = sin_hdg * (SGfloat)cos_lat;
- mat[1][3] = SG_ZERO;
-
- mat[2][0] = (SGfloat)cos_lat * (SGfloat)cos_lon;
- mat[2][1] = (SGfloat)cos_lat * (SGfloat)sin_lon;
- mat[2][2] = (SGfloat)sin_lat;
- mat[2][3] = SG_ZERO;
-
- mat[3][0] = offset.x();
- mat[3][1] = offset.y();
- mat[3][2] = offset.z();
- mat[3][3] = SG_ONE ;
-
- sgSetCoord( obj_pos, mat );
-}
-
-
-// recurse an ssg tree and call removeKid() on every node from the
-// bottom up. Leaves the original branch in existance, but empty so
-// it can be removed by the calling routine.
-static void my_remove_branch( ssgBranch * branch ) {
- for ( ssgEntity *k = branch->getKid( 0 );
- k != NULL;
- k = branch->getNextKid() )
- {
- if ( k -> isAKindOf ( ssgTypeBranch() ) ) {
- my_remove_branch( (ssgBranch *)k );
- branch -> removeKid ( k );
- } else if ( k -> isAKindOf ( ssgTypeLeaf() ) ) {
- branch -> removeKid ( k ) ;
- }
- }
-}
-
-
-// Free "n" leaf elements of an ssg tree. returns the number of
-// elements freed. An empty branch node is considered a leaf. This
-// 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 ) {
- // we still have some delete budget left
- // if ( b->getNumKids() > 100 ) {
- // cout << "large family = " << b->getNumKids() << endl;
- // }
- // deleting in reverse would help if my plib patch get's
- // applied, but for now it will make things slower.
- // for ( int i = b->getNumKids() - 1; i >= 0 ; --i ) {
- for ( int i = 0; i < b->getNumKids(); ++i ) {
- ssgEntity *kid = b->getKid(i);
- if ( kid->isAKindOf( ssgTypeBranch() ) && kid->getRef() <= 1 ) {
- int result = fgPartialFreeSSGtree( (ssgBranch *)kid, n );
- num_deletes += result;
- n -= result;
- if ( n < 0 ) {
- break;
- }
- }
- // remove the kid if (a) it is now empty -or- (b) it's ref
- // count is > zero at which point we don't care if it's
- // empty, we don't want to touch it's contents.
- if ( kid->getNumKids() == 0 || kid->getRef() > 1 ) {
- b->removeKid( kid );
- num_deletes++;
- n--;
- }
- }
- }
-
- return num_deletes;
-}
-
-
-// Clean up the memory used by this tile and delete the arrays used by
-// ssg as well as the whole ssg branch
-bool FGTileEntry::free_tile() {
- int delete_size = 100;
- SG_LOG( SG_TERRAIN, SG_DEBUG,
- "FREEING TILE = (" << tile_bucket << ")" );
-
- SG_LOG( SG_TERRAIN, SG_DEBUG, "(start) free_tracker = " << free_tracker );
-
- if ( !(free_tracker & NODES) ) {
- free_tracker |= NODES;
- } else if ( !(free_tracker & VEC_PTRS) ) {
- free_tracker |= VEC_PTRS;
- } else if ( !(free_tracker & TERRA_NODE) ) {
- // delete the terrain branch (this should already have been
- // disconnected from the scene graph)
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING terra_transform" );
- if ( fgPartialFreeSSGtree( terra_transform, delete_size ) == 0 ) {
- ssgDeRefDelete( terra_transform );
- free_tracker |= TERRA_NODE;
- }
- } else if ( !(free_tracker & GROUND_LIGHTS) && gnd_lights_transform ) {
- // delete the terrain lighting branch (this should already have been
- // 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 );
- 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)
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING rwy_lights_selector" );
- if ( fgPartialFreeSSGtree( rwy_lights_selector, delete_size ) == 0 ) {
- ssgDeRefDelete( rwy_lights_selector );
- free_tracker |= RWY_LIGHTS;
- }
- } else if ( !(free_tracker & TAXI_LIGHTS) && taxi_lights_selector ) {
- // delete the taxi lighting branch (this should already have been
- // 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 );
- free_tracker |= TAXI_LIGHTS;
- }
- } else if ( !(free_tracker & LIGHTMAPS) ) {
- free_tracker |= LIGHTMAPS;
- } else {
- return true;
- }
-
- SG_LOG( SG_TERRAIN, SG_DEBUG, "(end) free_tracker = " << free_tracker );
-
- // if we fall down to here, we still have work todo, return false
- return false;
}
-
// Update the ssg transform node for this tile so it can be
// properly drawn relative to our (0,0,0) point
-void FGTileEntry::prep_ssg_node( const Point3D& p, sgVec3 up, float vis) {
- if ( !loaded ) return;
-
- SetOffset( p );
-
+void TileEntry::prep_ssg_node(float vis) {
+ if (!is_loaded())
+ return;
// visibility can change from frame to frame so we update the
// range selector cutoff's each time.
- terra_range->setRange( 0, SG_ZERO );
- terra_range->setRange( 1, vis + bounding_radius );
-
- if ( gnd_lights_range ) {
- gnd_lights_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 );
-
- 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
- // the distance this tile is away from scenery center.
-
- // we expect 'up' to be a unit vector coming in, but since we
- // modify the value of lift_vec, we need to create a local
- // copy.
- sgVec3 lift_vec;
- sgCopyVec3( lift_vec, up );
-
- double agl;
- agl = globals->get_current_view()->getAltitudeASL_ft()
- * SG_FEET_TO_METER - globals->get_scenery()->get_cur_elev();
-
- // 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( lift_vec, 10.0 + agl / 100.0 + dist / 10000 );
- } else {
- 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 );
-
- // select which set of lights based on sun angle
- 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 ) {
- gnd_lights_brightness->select(0x02);
- } else if ( sun_angle > 89 ) {
- gnd_lights_brightness->select(0x01);
- } else {
- gnd_lights_brightness->select(0x00);
- }
- }
-
- 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
- // 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, 0.01 + 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 );
- rwy_lights_transform->setTransform( lt_trans );
-
- // turn runway lights on/off based on sun angle and visibility
- 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);
- } else {
- rwy_lights_selector->select(0x00);
- }
- }
-
- if ( taxi_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, 0.01 + 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 );
- taxi_lights_transform->setTransform( lt_trans );
-
- // turn taxi lights on/off based on sun angle and visibility
- 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);
- } else {
- 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!" );
- }
- }
- }
- }
-}
-
-
-// Set up lights rendering call backs
-static int fgLightsPredraw( ssgEntity *e ) {
-#if 0
- if (glPointParameterIsSupported) {
- static float quadratic[3] = {1.0, 0.01, 0.0001};
- glPointParameterfvProc(GL_DISTANCE_ATTENUATION_EXT, quadratic);
- glPointParameterfProc(GL_POINT_SIZE_MIN_EXT, 1.0);
- glPointSize(4.0);
- }
-#endif
- return true;
+ float bounding_radius = _node->getChild(0)->getBound().radius();
+ _node->setRange( 0, 0, vis + bounding_radius );
}
-static int fgLightsPostdraw( ssgEntity *e ) {
-#if 0
- if (glPointParameterIsSupported) {
- static float default_attenuation[3] = {1.0, 0.0, 0.0};
- glPointParameterfvProc(GL_DISTANCE_ATTENUATION_EXT,
- default_attenuation);
- glPointSize(1.0);
- }
-#endif
- return true;
-}
-
-
-ssgLeaf* FGTileEntry::gen_lights( SGMaterialLib *matlib, ssgVertexArray *lights,
- int inc, float bright )
-{
- // generate a repeatable random seed
- float *p1 = lights->get( 0 );
- unsigned int *seed = (unsigned int *)p1;
- sg_srandom( *seed );
-
- int size = lights->getNum() / inc;
-
- // Allocate ssg structure
- ssgVertexArray *vl = new ssgVertexArray( size + 1 );
- ssgNormalArray *nl = NULL;
- ssgTexCoordArray *tl = NULL;
- ssgColourArray *cl = new ssgColourArray( size + 1 );
-
- sgVec4 color;
- for ( int i = 0; i < lights->getNum(); ++i ) {
- // this loop is slightly less efficient than it otherwise
- // could be, but we want a red light to always be red, and a
- // yellow light to always be yellow, etc. so we are trying to
- // preserve the random sequence.
- float zombie = sg_random();
- if ( i % inc == 0 ) {
- vl->add( lights->get(i) );
-
- // factor = sg_random() ^ 2, range = 0 .. 1 concentrated towards 0
- float factor = sg_random();
- factor *= factor;
-
- if ( zombie > 0.5 ) {
- // 50% chance of yellowish
- sgSetVec4( color, 0.9, 0.9, 0.3, bright - factor * 0.2 );
- } else if ( zombie > 0.15 ) {
- // 35% chance of whitish
- sgSetVec4( color, 0.9, 0.9, 0.8, bright - factor * 0.2 );
- } else if ( zombie > 0.05 ) {
- // 10% chance of orangish
- sgSetVec4( color, 0.9, 0.6, 0.2, bright - factor * 0.2 );
- } else {
- // 5% chance of redish
- sgSetVec4( color, 0.9, 0.2, 0.2, bright - factor * 0.2 );
- }
- cl->add( color );
- }
- }
-
- // create ssg leaf
- ssgLeaf *leaf =
- new ssgVtxTable ( GL_POINTS, vl, nl, tl, cl );
-
- // assign state
- SGMaterial *mat = matlib->find( "GROUND_LIGHTS" );
- leaf->setState( mat->get_state() );
- leaf->setCallback( SSG_CALLBACK_PREDRAW, fgLightsPredraw );
- leaf->setCallback( SSG_CALLBACK_POSTDRAW, fgLightsPostdraw );
-
- return leaf;
-}
-
-
-bool FGTileEntry::obj_load( const string& path,
- 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
-
- bool use_random_objects =
- fgGetBool("/sim/rendering/random-objects", true);
-
- // try loading binary format
- if ( sgBinObjLoad( path, is_base,
- &c, &br, globals->get_matlib(), use_random_objects,
- geometry, vasi_lights, rwy_lights, taxi_lights,
- ground_lights ) )
- {
- if ( is_base ) {
- center = c;
- bounding_radius = br;
- }
- }
-
- return (geometry != NULL);
-}
-
-
-void
-FGTileEntry::load( const string &base_path, 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() ) {
-
- bool has_base = false;
-
- // Generate names for later use
- string index_str = tile_bucket.gen_index_str();
-
- SGPath tile_path = search[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() );
-
-#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() ) {
- string token, name;
-
- 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 );
-
- 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 ) )
- {
- new_tile -> addKid( geometry );
- } else {
- delete geometry;
- }
- } 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) {
- 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 ) {
- 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
- 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;
- } else {
- custom_path = globals->get_fg_root();
- }
- 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 );
-
- // Do we even use this one?
- } 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 );
-
- // Do we even use this one?
- } 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 );
-
- // I don't think we use this, either
- } 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_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;
- Point3D c;
- double br;
- if ( sgGenTile( search[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!" );
- }
- }
-
- 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 );
-
- // 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_range = new ssgRangeSelector;
- gnd_lights_brightness = new ssgSelector;
- ssgLeaf *lights;
-
- lights = gen_lights( globals->get_matlib(), light_pts, 4, 0.7 );
- gnd_lights_brightness->addKid( lights );
-
- lights = gen_lights( globals->get_matlib(), light_pts, 2, 0.85 );
- gnd_lights_brightness->addKid( lights );
-
- lights = gen_lights( globals->get_matlib(), light_pts, 1, 1.0 );
- gnd_lights_brightness->addKid( lights );
-
- gnd_lights_range->addKid( gnd_lights_brightness );
- gnd_lights_transform->addKid( gnd_lights_range );
- 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 );
- }
-
- // Update taxi lights transform
- if ( taxi_lights_transform->getNumKids() > 0 ) {
- taxi_lights_transform->setTransform( &sgcoord );
- }
-}
-
-
void
-FGTileEntry::add_ssg_nodes( ssgBranch *terrain_branch,
- ssgBranch *gnd_lights_branch,
- ssgBranch *vasi_lights_branch,
- ssgBranch *rwy_lights_branch,
- ssgBranch *taxi_lights_branch )
+TileEntry::addToSceneGraph(osg::Group *terrain_branch)
{
- // bump up the ref count so we can remove this later without
- // having ssg try to free the memory.
- terra_transform->ref();
- terrain_branch->addKid( terra_transform );
+ terrain_branch->addChild( _node.get() );
SG_LOG( SG_TERRAIN, SG_DEBUG,
- "connected a tile into scene graph. terra_transform = "
- << terra_transform );
+ "connected a tile into scene graph. _node = "
+ << _node.get() );
SG_LOG( SG_TERRAIN, SG_DEBUG, "num parents now = "
- << terra_transform->getNumParents() );
-
- 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 );
- }
-
- 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.
- rwy_lights_selector->ref();
- rwy_lights_selector->addKid( 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 );
- taxi_lights_branch->addKid( taxi_lights_selector );
- }
-
- loaded = true;
+ << _node->getNumParents() );
}
void
-FGTileEntry::disconnect_ssg_nodes()
+TileEntry::removeFromSceneGraph()
{
- SG_LOG( SG_TERRAIN, SG_DEBUG, "disconnecting ssg nodes" );
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "disconnecting TileEntry nodes" );
- if ( ! loaded ) {
+ if (! is_loaded()) {
SG_LOG( SG_TERRAIN, SG_DEBUG, "removing a not-fully loaded tile!" );
} else {
- SG_LOG( SG_TERRAIN, SG_DEBUG, "removing a fully loaded tile! terra_transform = " << terra_transform );
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "removing a fully loaded tile! _node = " << _node.get() );
}
-
- // find the terrain branch parent
- int pcount = terra_transform->getNumParents();
- if ( pcount > 0 ) {
+
+ // find the nodes branch parent
+ if ( _node->getNumParents() > 0 ) {
// find the first parent (should only be one)
- ssgBranch *parent = terra_transform->getParent( 0 ) ;
+ osg::Group *parent = _node->getParent( 0 ) ;
if( parent ) {
- // disconnect the tile (we previously ref()'d it so it
- // won't get freed now)
- parent->removeKid( terra_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 tile! Dying" );
- exit(-1);
- }
-
- // find the ground lighting branch
- if ( gnd_lights_transform ) {
- pcount = gnd_lights_transform->getNumParents();
- if ( pcount > 0 ) {
- // find the first parent (should only be one)
- ssgBranch *parent = gnd_lights_transform->getParent( 0 ) ;
- if( parent ) {
- // disconnect the light branch (we previously ref()'d
- // it so it won't get freed now)
- parent->removeKid( gnd_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 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();
- 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);
+ parent->removeChild( _node.get() );
}
}
+}
- // find the taxi lighting branch
- if ( taxi_lights_transform ) {
- pcount = taxi_lights_transform->getNumParents();
- if ( pcount > 0 ) {
- // find the first parent (should only be one)
- ssgBranch *parent = taxi_lights_transform->getParent( 0 ) ;
- if( parent ) {
- // disconnect the light branch (we previously ref()'d
- // it so it won't get freed now)
- parent->removeKid( taxi_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);
+void
+TileEntry::refresh()
+{
+ osg::Group *parent = NULL;
+ // find the nodes branch parent
+ if ( _node->getNumParents() > 0 ) {
+ // find the first parent (should only be one)
+ parent = _node->getParent( 0 ) ;
+ if( parent ) {
+ parent->removeChild( _node.get() );
}
}
+ _node = new osg::LOD;
+ if (parent)
+ parent->addChild(_node.get());
}
projects / flightgear.git / blobdiff