//
// 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 <string>
+#include <sstream>
+#include <istream>
+
+#include <osg/LOD>
+
#include <simgear/bucket/newbucket.hxx>
#include <simgear/debug/logstream.hxx>
-#include <simgear/math/sg_geodesy.hxx>
-#include <simgear/math/sg_random.h>
-#include <simgear/misc/sgstream.hxx>
-
-#include <Aircraft/aircraft.hxx>
-#include <Include/general.hxx>
-#include <Main/globals.hxx>
-#include <Main/viewer.hxx>
-#include <Scenery/scenery.hxx>
-#include <Time/light.hxx>
-#include <Objects/apt_signs.hxx>
-#include <Objects/matlib.hxx>
-#include <Objects/newmat.hxx>
-#include <Objects/obj.hxx>
#include "tileentry.hxx"
-#include "tilemgr.hxx"
+using std::string;
// Constructor
-FGTileEntry::FGTileEntry ( const SGBucket& b )
- : ncount( 0 ),
- center( Point3D( 0.0 ) ),
- tile_bucket( b ),
- terra_transform( new ssgTransform ),
- rwy_lights_transform( new ssgTransform ),
- terra_range( new ssgRangeSelector ),
- loaded(false),
- pending_models(0),
- 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)
{
- nodes.clear();
-
- // 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);
- // }
-}
-
-
-// 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)
-{
- // 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 );
-}
-#endif
-
-
-// Norman's 'fast hack' for above
-static void WorldCoordinate( sgCoord *obj_pos, Point3D center, double lat,
- double lon, double elev, double hdg )
+ 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);
+}
+
+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)
{
- 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 );
+ _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);
}
-
-// 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 ) ;
- }
- }
-}
-
-// ADA
-#define TEXRES_X 256
-#define TEXRES_Y 256
-unsigned char env_map[TEXRES_X][TEXRES_Y][4];
-// SetColor & SetColor2 functions were provided by Christian Mayer (26 April 2001) - used without change
-void setColor(float x, float y, float z, float angular_size, float r,
-float g, float b, float a)
-{
- //normalize
- float inv_length = 1.0 / sqrt(x*x + y*y + z*z);
- x *= inv_length; y *= inv_length; z *= inv_length;
-
- float cos_angular_size = cos(angular_size*SG_DEGREES_TO_RADIANS);
-
- for( int s = 0; s < TEXRES_X; s++) {
- for( int t = 0; t < TEXRES_Y; t++) {
-
- float s_2 = (float)s/TEXRES_X - 0.5; // centre of texture 0,0
- float t_2 = (float)t/TEXRES_Y - 0.5; // elev
-
- float rx, ry, rz;
-
- if ((1.0 - 4.0*s_2*s_2 - 4.0*t_2*t_2) >= 0.0) {
- // sphere
- float m = 4.0 * sqrt(1.0 - 4.0*s_2*s_2 - 4.0*t_2*t_2);
- rx = m * s_2;
- ry = m * t_2;
- rz = m*m / 8.0 - 1.0;
- } else {
- // singularity
- rx = 0.0;
- ry = 0.0;
- rz = -1.0;
- }
-
- float tx = rx; //mirroring on the z=0 plane
- float ty = ry; //assumes that the normal is allways
- float tz = -rz; //n(0.0, 0.0, 1.0)
-
- if ( cos_angular_size < (x*tx + y*ty + z*tz) ) {
- env_map[s][t][0] = (unsigned char) r * 255;
- env_map[s][t][1] = (unsigned char) g * 255;
- env_map[s][t][2] = (unsigned char) b * 255;
- env_map[s][t][3] = (unsigned char) a * 255;
- }
- }
- }
-}
-
-// elevation_size, float azimuth_size are the *total* angular size of the light
-void setColor2(float elevation_size,float azimuth_size, float r, float g, float b, float a)
-{
- for( int s = 0; s < TEXRES_X; s++) {
- for( int t = 0; t < TEXRES_Y; t++) {
- float s_2 = (float)s/TEXRES_X - 0.5;
- float t_2 = (float)t/TEXRES_Y - 0.5;
-
- float rx, ry, rz;
-
- if ((1.0 - 4.0*s_2*s_2 - 4.0*t_2*t_2) >= 0.0) {
-
- float m = 4.0 * sqrt(1.0 - 4.0*s_2*s_2 - 4.0*t_2*t_2);
- rx = m * s_2;
- ry = m * t_2;
- rz = m*m / 8.0 - 1.0;
- } else {
- rx = 0.0;
- ry = 0.0;
- rz = -1.0;
- }
-
- float tx = rx; //mirroring on the z=0 plane to reverse
- float ty = ry; //OpenGLs automatic mirroring
- float tz = -rz;
-
- //get elevation => project t onto the x-z-plane
- float tz_proj1 = tz / sqrt(tx*tx + tz*tz);
- float televation = acos( -tz_proj1 ) * SG_RADIANS_TO_DEGREES;
-
- //get azi => project t onto the y-z-plane
- float tz_proj2 = tz / sqrt(ty*ty + tz*tz);
- float tazimuth = acos( -tz_proj2 ) * SG_RADIANS_TO_DEGREES;
-
- //note televation and tazimuth are the angles *between* the
- //temporary vector and the normal (0,0,-1). They are *NOT*
- //the elevation and azimuth angles
-
- //square:
- //if (((elevation_size > televation) || (elevation_size < -televation)) &&
- // ((azimuth_size > tazimuth ) || (azimuth_size < -tazimuth )))
- //elliptical
- if (((televation*televation) / (elevation_size*elevation_size / 4.0) +
- (tazimuth *tazimuth ) / (azimuth_size *azimuth_size / 4.0)) <= 1.0)
- {
- env_map[s][t][0] = (unsigned char) r * 255;
- env_map[s][t][1] = (unsigned char) g * 255;
- env_map[s][t][2] = (unsigned char) b * 255;
- env_map[s][t][3] = (unsigned char) a * 255;
- }
- }
- }
-}
-
-// 23 March 2001
-// This function performs billboarding of polygons drawn using the UP and RIGHT vectors obtained
-// from the transpose of the MODEL_VIEW_MATRIX of the ssg_current_context. Each polygon is drawn
-// at the coordinate array and material state as passed thro arguments.
-void *fgBillboard( ssgBranch *lightmaps, ssgVertexArray *light_maps, ssgSimpleState *lightmap_state, float size) {
- sgMat4 tmat;
- sgVec3 rt, up, nrt, nup, pt, quads[4], lmaps[4];
-
- ssgGetModelviewMatrix ( tmat );
- sgSetVec3 (rt, tmat[0][0], tmat[1][0], tmat[2][0]);
- sgSetVec3 (up, tmat[0][1], tmat[1][1], tmat[2][1]);
- sgSetVec3 (nrt, tmat[0][0], tmat[1][0], tmat[2][0]);
- sgSetVec3 (nup, tmat[0][1], tmat[1][1], tmat[2][1]);
- sgNegateVec3 (nrt);
- sgNegateVec3 (nup);
-
- sgAddVec3 (quads[0], nrt, nup);
- sgAddVec3 (quads[1], rt, nup);
- sgAddVec3 (quads[2], rt, up);
- sgAddVec3 (quads[3], nrt, up);
-
- sgScaleVec3 (quads[0], size);
- sgScaleVec3 (quads[1], size);
- sgScaleVec3 (quads[2], size);
- sgScaleVec3 (quads[3], size);
-
- sgVec4 color;
- sgSetVec4( color, 1.0, 1.0, 0.0, 1.0 );
-
- sgVec2 texcoords[4];
- sgSetVec2( texcoords[0], 1.0, 1.0 );
- sgSetVec2( texcoords[1], 0.0, 1.0 );
- sgSetVec2( texcoords[2], 0.0, 0.0 );
- sgSetVec2( texcoords[3], 1.0, 0.0 );
-
- for (int j = 0; j < 4; j++ ) {
- sgCopyVec3(lmaps[j] ,quads[j]);
- }
-
- for ( int i = 0; i < light_maps->getNum(); ++i ) {
- // Allocate ssg structure
- ssgVertexArray *vl = new ssgVertexArray( 1 );
- ssgTexCoordArray *tl = new ssgTexCoordArray( 1 );
- ssgColourArray *cl = new ssgColourArray( 1 );
-
- float *temp = light_maps->get(i);
- sgSetVec3(pt,temp[0],temp[1],temp[2]);
-
- for (int k=0; k<4; k++) {
- sgAddVec3( quads[k],lmaps[k], pt );
- vl->add(quads[k]);
- tl->add(texcoords[k]);
- cl->add(color);
- }
-
- ssgLeaf *leaf = NULL;
- leaf = new ssgVtxTable ( GL_TRIANGLE_FAN, vl, NULL, tl, cl );
- leaf->setState( lightmap_state );
- lightmaps->addKid( leaf );
- }
-
- return NULL;
-}
-
-ssgBranch* FGTileEntry::gen_runway_lights( ssgVertexArray *points,ssgVertexArray *normal,
- ssgVertexArray *dir, int type[])
+// Destructor
+TileEntry::~TileEntry ()
{
-
- //************** HARD CODED RUNWAY LIGHT TEXTURES BEGIN ************************
- GLuint texEdge, texTaxi, texTouchdown;
- GLuint texThreshold;
- GLuint texVasi, texWhite, texRed, texGreen, texYellow;
-
- //VASI lights
- setColor(0.0,0.0,1.0,360.0, 0, 0, 0, 0);
- setColor2(10.0, 40.0, 1, 1, 1, 1);
- setColor2(6.0, 40.0, 1, 0.5, 0.5, 1);
- setColor2(5.0, 40.0, 1, 0, 0, 1);
- glGenTextures(1, &texVasi);
- glBindTexture(GL_TEXTURE_2D, texVasi);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *vasi_state;
- vasi_state = new ssgSimpleState();
- vasi_state->ref();
- vasi_state->setTexture( texVasi );
- vasi_state->disable( GL_LIGHTING );
- vasi_state->enable( GL_TEXTURE_2D );
- vasi_state->setShadeModel( GL_SMOOTH );
-
- //EDGE
- setColor(0.0,0.0,-1.0,180.0, 1, 1, 0.5, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glGenTextures(1, &texEdge);
- glBindTexture(GL_TEXTURE_2D, texEdge);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *edge_state;
- edge_state = new ssgSimpleState();
- edge_state->ref();
- edge_state->setTexture( texEdge );
- edge_state->disable( GL_LIGHTING );
- edge_state->enable( GL_TEXTURE_2D );
- edge_state->setShadeModel( GL_SMOOTH );
-
- //TOUCHDOWN
- setColor(0.0,0.0,-1.0,180.0, 0, 1, 0, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glGenTextures(1, &texTouchdown);
- glBindTexture(GL_TEXTURE_2D, texTouchdown);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *touchdown_state;
- touchdown_state = new ssgSimpleState();
- touchdown_state->ref();
- touchdown_state->setTexture( texTouchdown );
- touchdown_state->disable( GL_LIGHTING );
- touchdown_state->enable( GL_TEXTURE_2D );
- touchdown_state->setShadeModel( GL_SMOOTH );
-
- //THRESHOLD
- setColor(0.0,0.0,-1.0,180.0, 1, 0, 0, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glGenTextures(1, &texThreshold);
- glBindTexture(GL_TEXTURE_2D, texThreshold);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *threshold_state;
- threshold_state = new ssgSimpleState();
- threshold_state->ref();
- threshold_state->setTexture( texThreshold );
- threshold_state->disable( GL_LIGHTING );
- threshold_state->enable( GL_TEXTURE_2D );
- threshold_state->setShadeModel( GL_SMOOTH );
-
- //TAXI
- setColor(0.0,0.0,-1.0,180.0, 0, 0, 1, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glGenTextures(1, &texTaxi);
- glBindTexture(GL_TEXTURE_2D, texTaxi);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *taxi_state;
- taxi_state = new ssgSimpleState();
- taxi_state->ref();
- taxi_state->setTexture( texTaxi );
- taxi_state->disable( GL_LIGHTING );
- taxi_state->enable( GL_TEXTURE_2D );
- taxi_state->setShadeModel( GL_SMOOTH );
-
- //WHITE
- setColor(0.0,0.0,-1.0,180.0, 1, 1, 1, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glGenTextures(1, &texWhite);
- glBindTexture(GL_TEXTURE_2D, texWhite);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *white_state;
- white_state = new ssgSimpleState();
- white_state->ref();
- white_state->setTexture( texWhite );
- white_state->disable( GL_LIGHTING );
- white_state->enable( GL_TEXTURE_2D );
- white_state->setShadeModel( GL_SMOOTH );
-
- //RED
- setColor(0.0,0.0,-1.0,180.0, 1, 0, 0, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glGenTextures(1, &texRed);
- glBindTexture(GL_TEXTURE_2D, texRed);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *red_state;
- red_state = new ssgSimpleState();
- red_state->ref();
- red_state->setTexture( texRed );
- red_state->disable( GL_LIGHTING );
- red_state->enable( GL_TEXTURE_2D );
- red_state->setShadeModel( GL_SMOOTH );
-
- //GREEN
- setColor(0.0,0.0,-1.0,180.0, 0, 1, 0, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glGenTextures(1, &texGreen);
- glBindTexture(GL_TEXTURE_2D, texGreen);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *green_state;
- green_state = new ssgSimpleState();
- green_state->ref();
- green_state->setTexture( texGreen );
- green_state->disable( GL_LIGHTING );
- green_state->enable( GL_TEXTURE_2D );
- green_state->setShadeModel( GL_SMOOTH );
-
- //YELLOW
- setColor(0.0,0.0,-1.0,180.0, 1, 1, 0, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glGenTextures(1, &texYellow);
- glBindTexture(GL_TEXTURE_2D, texYellow);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEXRES_X, TEXRES_Y, 0, GL_RGBA, GL_UNSIGNED_BYTE, env_map);
- ssgSimpleState *yellow_state;
- yellow_state = new ssgSimpleState();
- yellow_state->ref();
- yellow_state->setTexture( texYellow );
- yellow_state->disable( GL_LIGHTING );
- yellow_state->enable( GL_TEXTURE_2D );
- yellow_state->setShadeModel( GL_SMOOTH );
-//************** HARD CODED RUNWAY LIGHT TEXTURES END ************************
-
- ssgBranch *runway_lights = new ssgBranch;
- sgVec3 v2,v3,inf,side;
-
- ssgLeaf *leaf1 = NULL;
- ssgLeaf *leaf2 = NULL;
- ssgLeaf *leaf7 = NULL;
- ssgLeaf *leaf8 = NULL;
- ssgLeaf *leaf9 = NULL;
-
- ssgVertexArray *vlw = new ssgVertexArray( 1 );
- ssgNormalArray *nlw = new ssgNormalArray( 1 );
- ssgVertexArray *vlt = new ssgVertexArray( 1 );
- ssgNormalArray *nlt = new ssgNormalArray( 1 );
- ssgVertexArray *vlr = new ssgVertexArray( 1 );
- ssgNormalArray *nlr = new ssgNormalArray( 1 );
- ssgVertexArray *vlg = new ssgVertexArray( 1 );
- ssgNormalArray *nlg = new ssgNormalArray( 1 );
- ssgVertexArray *vly = new ssgVertexArray( 1 );
- ssgNormalArray *nly = new ssgNormalArray( 1 );
-
- for ( int i = 0; i < points->getNum()-1; i=i++ ) {
-
- // Allocate ssg structure
- ssgVertexArray *vl = new ssgVertexArray( 1 );
- ssgNormalArray *nl = new ssgNormalArray( 1 );
- ssgVertexArray *vl1 = new ssgVertexArray( 1 );
- ssgNormalArray *nl1 = new ssgNormalArray( 1 );
-
- float *n1 = normal->get(i);
- float *d1 = dir->get(i);
-
- /* TEMPORARY CODE BEGIN
- // calculate normal using 1st, 2nd & last vertices of the group
- sgVec3 n1;
- sgMakeNormal (n1, points->get(0), points->get(1), points->get(points->getNum()-1) );
- sgVec3 d1;
- sgSubVec3(d1,points->get(1),points->get(0));
- printf("%f %f %f\n",n1[0],n1[1],n1[2]);
- printf("%f %f %f\n",d1[0],d1[1],d1[2]);
- type[i] = 2;
- ----TEMPORARY CODE END */
-
-
- sgNormaliseVec3 ( n1 );
- sgNormaliseVec3 ( d1 );
- sgVec3 d2;
- d2[0] = -d1[0];
- d2[1] = -d1[1];
- d2[2] = -d1[2];
-
- sgVectorProductVec3(side,n1,d1);
- sgScaleVec3 (inf,n1,-50);
- sgScaleVec3 (side,5);
-
- float *v1 = points->get(i);
- sgAddVec3(v2,v1,inf);
- sgAddVec3(v3,v2,side);
-
- if ( type[i] == 1) { //POINT,WHITE
-
- vlw->add(v1);
- nlw->add(d1);
-
- } else if (type[i] == 2) { //POINT,TAXI
-
- vlt->add(v1);
- nlt->add(d1);
-
- } else if (type[i] == 3) { //SINGLE POLYGON,VASI
-
- vl->add(v1);
- nl->add(d1);
- vl->add(v3);
- nl->add(d1);
- vl->add(v2);
- nl->add(d1);
-
- ssgLeaf *leaf3 = NULL;
- leaf3 = new ssgVtxTable ( GL_POLYGON, vl, nl, NULL, NULL );
- leaf3->setState( vasi_state );
- runway_lights->addKid( leaf3 );
-
- } else if (type[i] == 4) { //BACK-TO-BACK POLYGONS,TOUCHDOWN/THRESHOLD
-
- vl->add(v1);
- nl->add(d1);
- vl->add(v3);
- nl->add(d1);
- vl->add(v2);
- nl->add(d1);
-
- vl1->add(v3);
- nl1->add(d2);
- vl1->add(v1);
- nl1->add(d2);
- vl1->add(v2);
- nl1->add(d2);
-
- ssgLeaf *leaf41 = NULL;
- leaf41 = new ssgVtxTable ( GL_POLYGON, vl, nl, NULL, NULL );
- leaf41->setState( touchdown_state );
- runway_lights->addKid( leaf41 );
-
- ssgLeaf *leaf42 = NULL;
- leaf42 = new ssgVtxTable ( GL_POLYGON, vl1, nl1, NULL, NULL );
- leaf42->setState( threshold_state );
- runway_lights->addKid( leaf42 );
-
- } else if ( type[i] == 5) { //POINT,WHITE, SEQUENCE LIGHTS (RABBIT)
-
- vl->add(v1);
- nl->add(d1);
- ssgLeaf *leaf5 = NULL;
- leaf5 = new ssgVtxTable ( GL_POINTS, vl, nl, NULL, NULL );
- leaf5->setState( white_state );
- lightmaps_sequence->addKid (leaf5);
-
- } else if ( type[i] == 6) { //POINT,WHITE, SEQUENCE LIGHTS (RABBIT)
-
- vl->add(v1);
- nl->add(d1);
- ssgLeaf *leaf6 = NULL;
- leaf6 = new ssgVtxTable ( GL_POINTS, vl, nl, NULL, NULL );
- leaf6->setState( yellow_state );
- ols_transform->addKid (leaf6);
- // DO NOT DELETE THIS CODE - This is to compare a discrete FLOLS (without LOD) with analog FLOLS
- // lightmaps_sequence->addKid (leaf6);
- // DO NOT DELETE THIS CODE - This is to compare a discrete FLOLS (without LOD) with analog FLOLS
-
- } else if (type[i] == 7) { //POINT,RED
-
- vlr->add(v1);
- nlr->add(d1);
-
- } else if (type[i] == 8) { //POINT,GREEN
-
- vlg->add(v1);
- nlg->add(d1);
-
- } else if (type[i] == 9) { //POINT,YELLOW
-
- vly->add(v1);
- nly->add(d1);
-
- }
-
- }
-
- leaf1 = new ssgVtxTable ( GL_POINTS, vlw, nlw, NULL, NULL );
- leaf1->setState( white_state );
- runway_lights->addKid( leaf1 );
-
- leaf2 = new ssgVtxTable ( GL_POINTS, vlt, nlt, NULL, NULL );
- leaf2->setState( taxi_state );
- runway_lights->addKid( leaf2 );
-
- leaf7 = new ssgVtxTable ( GL_POINTS, vlr, nlr, NULL, NULL );
- leaf7->setState( red_state );
- runway_lights->addKid( leaf7 );
-
- leaf8 = new ssgVtxTable ( GL_POINTS, vlg, nlg, NULL, NULL );
- leaf8->setState( green_state );
- // DO NOT DELETE THIS CODE - This is to compare a discrete FLOLS (without LOD) with analog FLOLS
- ols_transform->ref();
- lightmaps_sequence->addKid (ols_transform);
- // DO NOT DELETE THIS CODE - This is to compare a discrete FLOLS (without LOD) with analog FLOLS
- lightmaps_sequence->addKid (leaf8);
-
- leaf9 = new ssgVtxTable ( GL_POINTS, vly, nly, NULL, NULL );
- leaf9->setState( yellow_state );
- runway_lights->addKid( leaf9 );
-
- lightmaps_sequence->select(0xFFFFFF);
- return runway_lights;
}
-// ADA
-
-
-// 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 i;
- 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) ) {
- SG_LOG( SG_TERRAIN, SG_DEBUG,
- " deleting " << nodes.size() << " nodes" );
- nodes.clear();
-
- free_tracker |= NODES;
- } else if ( !(free_tracker & VEC_PTRS) ) {
- // delete the vector pointers
- SG_LOG( SG_TERRAIN, SG_DEBUG,
- " deleting (leaf data) vertex, normal, and "
- << " texture coordinate arrays" );
-
- for ( i = 0; i < (int)vec3_ptrs.size(); ++i ) {
- delete [] vec3_ptrs[i];
- }
- vec3_ptrs.clear();
-
- for ( i = 0; i < (int)vec2_ptrs.size(); ++i ) {
- delete [] vec2_ptrs[i];
- }
- vec2_ptrs.clear();
-
- for ( i = 0; i < (int)index_ptrs.size(); ++i ) {
- delete index_ptrs[i];
- }
- index_ptrs.clear();
-
- 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 & RWY_LIGHTS) && rwy_lights_transform ) {
- // delete the terrain lighting branch (this should already have been
- // disconnected from the scene graph)
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING rwy_lights_transform" );
- if ( fgPartialFreeSSGtree( rwy_lights_transform, delete_size ) == 0 ) {
- ssgDeRefDelete( rwy_lights_transform );
- free_tracker |= RWY_LIGHTS;
- }
- } else if ( !(free_tracker & LIGHTMAPS) && lightmaps_transform ) {
- // ADA
- // delete the terrain lighting branch (this should already have been
- // disconnected from the scene graph)
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING lightmaps_transform" );
- if ( fgPartialFreeSSGtree( lightmaps_transform, delete_size ) == 0 ) {
- ssgDeRefDelete( lightmaps_transform );
- 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 );
-
- 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 );
-
- 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 = 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);
- }
- }
-
- 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 );
-
- 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, 0.0 + agl / 500.0 + dist / 10000 );
- } else {
- sgScaleVec3( lift_vec, 1.0 + agl / 20.0 + dist / 5000 );
- }
-
- sgVec3 lt_trans;
- sgCopyVec3( lt_trans, sgTrans );
-
- sgAddVec3( lt_trans, lift_vec );
- 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() );
- if ( lightmaps_transform ) {
- static unsigned int selectnode = 0;
- // Run-time extension check.
- if (!glutExtensionSupported("GL_EXT_point_parameters")) {
- //use lightmaps on billboarded polygons
- } else {
- // using GL_EXT_point_parameters
-
- // This part is same as ground-lights code above by Curt
- sgVec3 lift_vec;
- sgCopyVec3( lift_vec, up );
-
- double agl1;
- agl1 = 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 to1;
- sgCopyVec3( to1, sgTrans );
- double dist1 = sgLengthVec3( to1 );
-
- if ( general.get_glDepthBits() > 16 ) {
- sgScaleVec3( lift_vec, 0.0 + agl1 / 2000.0 + dist1 / 10000 );
- } else {
- sgScaleVec3( lift_vec, 0.0 + agl1 / 20.0 + dist1 / 5000 );
- }
- sgAddVec3( sgTrans, lift_vec );
- lightmaps_transform->setTransform( sgTrans );
-
- float sun_angle1 = cur_light_params.sun_angle * SGD_RADIANS_TO_DEGREES;
- if ( (sun_angle1 > 89) ) {
- lightmaps_brightness->select(0x01);
- selectnode *=2;
- selectnode = selectnode | 0x000001;
- if (selectnode > 0xFFFFFF) selectnode = 1;
- lightmaps_sequence->select(selectnode);
- } else {
- lightmaps_brightness->select(0x00);
- lightmaps_sequence->select(0x000000);
- }
- } // end of GL_EXT_point_parameters section
-
- } // end of runway lights section
- // ADA
-
+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.
+ float bounding_radius = _node->getChild(0)->getBound().radius();
+ _node->setRange( 0, 0, vis + bounding_radius );
}
-
-// Set up lights rendering call backs
-static int fgLightsPredraw( ssgEntity *e ) {
-#if 0
-#ifdef GL_EXT_point_parameters
- if (glutExtensionSupported("GL_EXT_point_parameters")) {
- static float quadratic[3] = {1.0, 0.01, 0.0001};
- glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, quadratic);
- glPointParameterfEXT(GL_POINT_SIZE_MIN_EXT, 1.0);
- glPointSize(4.0);
- }
-#endif
-#endif
- return true;
-}
-
-static int fgLightsPostdraw( ssgEntity *e ) {
-#if 0
-#ifdef GL_EXT_point_parameters
- if (glutExtensionSupported("GL_EXT_point_parameters")) {
- static float default_attenuation[3] = {1.0, 0.0, 0.0};
- glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT,
- default_attenuation);
- glPointSize(1.0);
- }
-#endif
-#endif
- return true;
-}
-
-
-ssgLeaf* FGTileEntry::gen_lights( 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
- FGNewMat *newmat = material_lib.find( "GROUND_LIGHTS" );
- leaf->setState( newmat->get_state() );
- leaf->setCallback( SSG_CALLBACK_PREDRAW, fgLightsPredraw );
- leaf->setCallback( SSG_CALLBACK_POSTDRAW, fgLightsPostdraw );
-
- return leaf;
-}
-
-
-bool FGTileEntry::obj_load( const std::string& path,
- ssgBranch* geometry,
- ssgBranch* rwy_lights,
- ssgVertexArray* ground_lights, bool is_base )
-{
- Point3D c; // returned center point
- double br; // returned bounding radius
-
- // try loading binary format
- if ( fgBinObjLoad( path, is_base,
- &c, &br, geometry, rwy_lights, ground_lights ) )
- {
- if ( is_base ) {
- center = c;
- bounding_radius = br;
- }
- } else {
- // next try the older ascii format, this is some ugly
- // weirdness because the ascii loader is *old* and hasn't been
- // updated, but hopefully we can can the ascii format soon.
- ssgBranch *tmp = fgAsciiObjLoad( path, this, ground_lights, is_base );
- if ( tmp ) {
- return (NULL != tmp);
- } else {
- // default to an ocean tile
- if ( fgGenTile( path, tile_bucket, &c, &br, geometry ) ) {
- center = c;
- bounding_radius = br;
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Warning: failed to generate ocean tile!" );
- }
- }
- }
-
- return (geometry != NULL);
-}
-
-
void
-FGTileEntry::load( const SGPath& base, bool is_base )
+TileEntry::addToSceneGraph(osg::Group *terrain_branch)
{
- SG_LOG( SG_TERRAIN, SG_INFO, "load() base = " << base.str() );
-
- // Generate names for later use
- string index_str = tile_bucket.gen_index_str();
-
- SGPath tile_path = base;
- 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
-
- // obj_load() will generate ground lighting for us ...
- ssgVertexArray *light_pts = new ssgVertexArray( 100 );
-
- // ADA
- ssgVertexArray *lights_rway = new ssgVertexArray( 100 );
- ssgVertexArray *lights_dir = new ssgVertexArray( 100 );
- ssgVertexArray *lights_normal = new ssgVertexArray( 100 );
- int lights_type[FG_MAX_LIGHTS];
- // ADA
-
- ssgBranch* new_tile = new ssgBranch;
-
- // 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;
-
- if ( token == "OBJECT_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;
- 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;
- 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;
- 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_transform -> addKid( rwy_lights );
- } else {
- delete rwy_lights;
- }
- } else {
- delete geometry;
- delete rwy_lights;
- }
-
- } 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
- = gen_taxi_sign( 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
- = gen_runway_sign( 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 {
- // no .stg file, generate an ocean tile on the fly for this
- // area
- ssgBranch *geometry = new ssgBranch;
- Point3D c;
- double br;
- if ( fgGenTile( basename.str(), tile_bucket, &c, &br, 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( light_pts, 4, 0.7 );
- gnd_lights_brightness->addKid( lights );
-
- lights = gen_lights( light_pts, 2, 0.85 );
- gnd_lights_brightness->addKid( lights );
-
- lights = gen_lights( 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 );
- }
-
- // Add runway lights to scene graph if any exist
- if ( rwy_lights_transform->getNumKids() > 0 ) {
- SG_LOG( SG_TERRAIN, SG_DEBUG, "adding runway lights" );
- rwy_lights_transform->setTransform( &sgcoord );
- }
-
- // ADA
- // Create runway lights - 23 Mar 2001
- lightmaps_transform = NULL;
- lightmaps_sequence = NULL;
- ols_transform = NULL;
- // lightmaps_range = NULL;
-
- if ( lights_rway->getNum() ) {
- SG_LOG( SG_TERRAIN, SG_DEBUG, "generating airport lights" );
- lightmaps_transform = new ssgTransform;
- // lightmaps_range = new ssgRangeSelector;
- lightmaps_brightness = new ssgSelector;
- lightmaps_sequence = new ssgSelector;
- ols_transform = new ssgTransform;
- ssgBranch *lightmaps_branch;
-
- // call function to generate the runway lights
- lightmaps_branch = gen_runway_lights( lights_rway,
- lights_normal, lights_dir, lights_type);
- lightmaps_brightness->addKid( lightmaps_branch );
-
- // build the runway lights' scene
- // lightmaps_range->addKid( lightmaps_brightness ); //dont know why this doesnt work !!
- // lightmaps_transform->addKid( lightmaps_range ); //dont know why this doesnt work !!
- lightmaps_transform->addKid( lightmaps_brightness );
- lightmaps_sequence->setTraversalMaskBits( SSGTRAV_HOT );
- lightmaps_transform->addKid( lightmaps_sequence );
- lightmaps_transform->setTransform( &sgcoord );
- }
- // ADA
-}
-
-
-void
-FGTileEntry::add_ssg_nodes( ssgBranch* terrain_branch,
- ssgBranch* gnd_lights_branch,
- ssgBranch* rwy_lights_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 ( 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_transform->ref();
- rwy_lights_branch->addKid( rwy_lights_transform );
- }
-
- // ADA
- if ( lightmaps_transform != 0 ) {
- // bump up the ref count so we can remove this later without
- // having ssg try to free the memory.
- lightmaps_transform->ref();
- gnd_lights_branch->addKid( lightmaps_transform );
- }
- // ADA
-
- 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 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() );
}
}
+}
- // ADA
- //runway lights - 23 Mar 2001
- // Delete runway lights and free memory
- if ( lightmaps_transform ) {
- // delete the runway lighting branch
- pcount = lightmaps_transform->getNumParents();
- if ( pcount > 0 ) {
- // find the first parent (should only be one)
- ssgBranch *parent = lightmaps_transform->getParent( 0 ) ;
- if( parent ) {
- parent->removeKid( lightmaps_transform );
- lightmaps_transform = NULL;
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "lightmaps parent pointer is NULL! Dying" );
- exit(-1);
- }
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Parent count is zero for an ssg lightmap 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() );
}
}
- // ADA
+ _node = new osg::LOD;
+ if (parent)
+ parent->addChild(_node.get());
}
projects / flightgear.git / blobdiff