#include <algorithm>
#include <functional>
+#include <osgViewer/Viewer>
+
#include <simgear/constants.h>
#include <simgear/debug/logstream.hxx>
-#include <simgear/math/point3d.hxx>
-#include <simgear/math/polar3d.hxx>
-#include <simgear/math/sg_geodesy.hxx>
#include <simgear/math/vector.hxx>
#include <simgear/structure/exception.hxx>
#include <simgear/scene/model/modellib.hxx>
+#include <simgear/scene/tgdb/SGReaderWriterBTGOptions.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
#include <Main/viewer.hxx>
#include <Scripting/NasalSys.hxx>
-#include "newcache.hxx"
#include "scenery.hxx"
#include "SceneryPager.hxx"
#include "tilemgr.hxx"
using std::for_each;
using flightgear::SceneryPager;
+using simgear::SGModelLib;
+using simgear::TileEntry;
+using simgear::TileCache;
-#define TEST_LAST_HIT_CACHE
-
-// Constructor
FGTileMgr::FGTileMgr():
state( Start ),
- current_tile( NULL ),
vis( 16000 )
{
}
-// Destructor
FGTileMgr::~FGTileMgr() {
+ // remove all nodes we might have left behind
+ osg::Group* group = globals->get_scenery()->get_terrain_branch();
+ group->removeChildren(0, group->getNumChildren());
}
int FGTileMgr::init() {
SG_LOG( SG_TERRAIN, SG_INFO, "Initializing Tile Manager subsystem." );
+ _options = new SGReaderWriterBTGOptions;
+ _options->setMatlib(globals->get_matlib());
+ _options->setUseRandomObjects(fgGetBool("/sim/rendering/random-objects", true));
+ _options->setUseRandomVegetation(fgGetBool("/sim/rendering/random-vegetation", true));
+ osgDB::FilePathList &fp = _options->getDatabasePathList();
+ const string_list &sc = globals->get_fg_scenery();
+ fp.clear();
+ std::copy(sc.begin(), sc.end(), back_inserter(fp));
+
+ TileEntry::setModelLoadHelper(this);
+
tile_cache.init();
state = Inited;
return 1;
}
-
// schedule a tile for loading
void FGTileMgr::sched_tile( const SGBucket& b, const bool is_inner_ring ) {
// see if tile already exists in the cache
- FGTileEntry *t = tile_cache.get_tile( b );
+ TileEntry *t = tile_cache.get_tile( b );
- if ( t == NULL ) {
+ if ( !t ) {
// make space in the cache
SceneryPager* pager = FGScenery::getPagerSingleton();
while ( (int)tile_cache.get_size() > tile_cache.get_max_cache_size() ) {
long index = tile_cache.get_oldest_tile();
if ( index >= 0 ) {
- FGTileEntry *old = tile_cache.get_tile( index );
+ TileEntry *old = tile_cache.get_tile( index );
tile_cache.clear_entry( index );
osg::ref_ptr<osg::Object> subgraph = old->getNode();
- old->disconnect_ssg_nodes();
+ old->removeFromSceneGraph();
delete old;
// zeros out subgraph ref_ptr, so subgraph is owned by
// the pager and will be deleted in the pager thread.
}
// create a new entry
- FGTileEntry *e = new FGTileEntry( b );
+ TileEntry *e = new TileEntry( b );
// insert the tile into the cache
if ( tile_cache.insert_tile( e ) ) {
delete e;
}
// Attach to scene graph
- e->add_ssg_nodes(globals->get_scenery()->get_terrain_branch());
+ e->addToSceneGraph(globals->get_scenery()->get_terrain_branch());
} else {
t->set_inner_ring( is_inner_ring );
}
if ( xrange < 1 ) { xrange = 1; }
if ( yrange < 1 ) { yrange = 1; }
- // note * 2 at end doubles cache size (for fdm and viewer)
+ // make the cache twice as large to avoid losing terrain when switching
+ // between aircraft and tower views
tile_cache.set_max_cache_size( (2*xrange + 2) * (2*yrange + 2) * 2 );
// cout << "xrange = " << xrange << " yrange = " << yrange << endl;
// cout << "max cache size = " << tile_cache.get_max_cache_size()
double visibility_meters = fgGetDouble("/environment/visibility-m");
schedule_needed(visibility_meters, current_bucket);
-
- // do we really want to lose this? CLO
-#if 0
- // Now force a load of the center tile and inner ring so we
- // have something to see in our first frame.
- int i;
- for ( i = 0; i < 9; ++i ) {
- if ( load_queue.size() ) {
- SG_LOG( SG_TERRAIN, SG_DEBUG,
- "Load queue not empty, loading a tile" );
-
- SGBucket pending = load_queue.front();
- load_queue.pop_front();
- load_tile( pending );
- }
- }
-#endif
}
osg::Node*
FGTileMgr::loadTileModel(const string& modelPath, bool cacheModel)
{
+ SGPath fullPath;
+ if (fgGetBool("/sim/paths/use-custom-scenery-data") == true) {
+ string_list sc = globals->get_fg_scenery();
+
+ for (string_list_iterator it = sc.begin(); it != sc.end(); ++it) {
+ SGPath tmpPath(*it);
+ tmpPath.append(modelPath);
+ if (tmpPath.exists()) {
+ fullPath = tmpPath;
+ break;
+ }
+ }
+ } else {
+ fullPath.append(modelPath);
+ }
osg::Node* result = 0;
try {
- result =
- globals->get_model_lib()->load_model(".",
- modelPath,
- globals->get_props(),
- globals->get_sim_time_sec(),
- cacheModel,
- new FGNasalModelData );
+ if(cacheModel)
+ result =
+ SGModelLib::loadModel(fullPath.str(), globals->get_props(),
+ new FGNasalModelData);
+ else
+ result=
+ SGModelLib::loadPagedModel(modelPath, globals->get_props(),
+ new FGNasalModelData);
} catch (const sg_io_exception& exc) {
string m(exc.getMessage());
m += " ";
}
// Helper class for STL fun
-class TileLoad : public std::unary_function<FGNewCache::tile_map::value_type,
+class TileLoad : public std::unary_function<TileCache::tile_map::value_type,
void>
{
public:
TileLoad(SceneryPager *pager, osg::FrameStamp* framestamp,
- osg::Group* terrainBranch) :
- _pager(pager), _framestamp(framestamp) {}
+ osg::Group* terrainBranch, osgDB::ReaderWriter::Options* options) :
+ _pager(pager), _framestamp(framestamp), _options(options) {}
+
TileLoad(const TileLoad& rhs) :
- _pager(rhs._pager), _framestamp(rhs._framestamp) {}
- void operator()(FGNewCache::tile_map::value_type& tilePair)
+ _pager(rhs._pager), _framestamp(rhs._framestamp),
+ _options(rhs._options) {}
+
+ void operator()(TileCache::tile_map::value_type& tilePair)
{
- FGTileEntry* entry = tilePair.second;
+ TileEntry* entry = tilePair.second;
if (entry->getNode()->getNumChildren() == 0) {
_pager->queueRequest(entry->tileFileName,
entry->getNode(),
entry->get_inner_ring() ? 10.0f : 1.0f,
- _framestamp);
+ _framestamp,
+ entry->getDatabaseRequest(),
+ _options);
}
}
private:
SceneryPager* _pager;
osg::FrameStamp* _framestamp;
+ osgDB::ReaderWriter::Options* _options;
};
/**
void FGTileMgr::update_queues()
{
SceneryPager* pager = FGScenery::getPagerSingleton();
+ osg::FrameStamp* framestamp
+ = globals->get_renderer()->getViewer()->getFrameStamp();
+ tile_cache.set_current_time(framestamp->getReferenceTime());
for_each(tile_cache.begin(), tile_cache.end(),
TileLoad(pager,
- globals->get_renderer()->getViewer()->getFrameStamp(),
- globals->get_scenery()->get_terrain_branch()));
+ framestamp,
+ globals->get_scenery()->get_terrain_branch(), _options.get()));
}
// disk.
int FGTileMgr::update( double visibility_meters )
{
- SGLocation *location = globals->get_current_view()->getSGLocation();
- return update( location, visibility_meters );
+ SGVec3d viewPos = globals->get_current_view()->get_view_pos();
+ return update(SGGeod::fromCart(viewPos), visibility_meters);
}
-
-int FGTileMgr::update( SGLocation *location, double visibility_meters )
+int FGTileMgr::update( const SGGeod& location, double visibility_meters)
{
SG_LOG( SG_TERRAIN, SG_DEBUG, "FGTileMgr::update()" );
- longitude = location->getLongitude_deg();
- latitude = location->getLatitude_deg();
- // add 1.0m to the max altitude to give a little leeway to the
- // ground reaction code.
- altitude_m = location->getAltitudeASL_ft() * SG_FEET_TO_METER + 1.0;
+ longitude = location.getLongitudeDeg();
+ latitude = location.getLatitudeDeg();
- // if current altitude is apparently not initialized, set max
- // altitude to something big.
- if ( altitude_m < -1000 ) {
- altitude_m = 10000;
- }
// SG_LOG( SG_TERRAIN, SG_DEBUG, "FGTileMgr::update() for "
// << longitude << " " << latatitude );
- current_bucket.set_bucket( longitude, latitude );
+ current_bucket.set_bucket( location );
// SG_LOG( SG_TERRAIN, SG_DEBUG, "Updating tile list for "
// << current_bucket );
fgSetInt( "/environment/current-tile-id", current_bucket.gen_index() );
// Note that we need keep track of both viewer buckets and fdm buckets.
if ( state == Running ) {
SG_LOG( SG_TERRAIN, SG_DEBUG, "State == Running" );
- if (!(current_bucket == previous_bucket )) {
+ if (current_bucket != previous_bucket) {
// We've moved to a new bucket, we need to schedule any
// needed tiles for loading.
SG_LOG( SG_TERRAIN, SG_INFO, "FGTileMgr::update()" );
SG_LOG( SG_TERRAIN, SG_INFO, "State == Start || Inited" );
// initialize_queue();
state = Running;
+ if (current_bucket != previous_bucket
+ && current_bucket.get_chunk_lon() != -1000) {
+ SG_LOG( SG_TERRAIN, SG_INFO, "FGTileMgr::update()" );
+ schedule_needed(visibility_meters, current_bucket);
+ }
}
update_queues();
// traverse the potentially viewable tile list and update range
// selector and transform
- FGTileEntry *e;
+ TileEntry *e;
tile_cache.reset_traversal();
while ( ! tile_cache.at_end() ) {
}
}
-bool FGTileMgr::scenery_available(double lat, double lon, double range_m)
+bool FGTileMgr::scenery_available(const SGGeod& position, double range_m)
{
// sanity check (unfortunately needed!)
- if ( lon <= -180.0 || lon >= 180.0 || lat <= -90.0 || lat >= 90.0 )
+ if (position.getLongitudeDeg() < -180 || position.getLongitudeDeg() > 180 ||
+ position.getLatitudeDeg() < -90 || position.getLatitudeDeg() > 90)
return false;
- SGBucket bucket(lon, lat);
- FGTileEntry *te = tile_cache.get_tile(bucket);
+ SGBucket bucket(position);
+ TileEntry *te = tile_cache.get_tile(bucket);
if (!te || !te->is_loaded())
return false;
+ SGVec3d cartPos = SGVec3d::fromGeod(position);
+
// Traverse all tiles required to be there for the given visibility.
// This uses exactly the same algorithm like the tile scheduler.
double tile_width = bucket.get_width_m();
double tile_height = bucket.get_height_m();
+ double tile_r = 0.5*sqrt(tile_width*tile_width + tile_height*tile_height);
+ double max_dist = tile_r + range_m;
+ double max_dist2 = max_dist*max_dist;
int xrange = (int)fabs(range_m / tile_width) + 1;
int yrange = (int)fabs(range_m / tile_height) + 1;
for ( int y = -yrange; y <= yrange; ++y ) {
// We have already checked for the center tile.
if ( x != 0 || y != 0 ) {
- SGBucket b = sgBucketOffset( lon, lat, x, y );
- FGTileEntry *te = tile_cache.get_tile(b);
+ SGBucket b = sgBucketOffset( position.getLongitudeDeg(),
+ position.getLatitudeDeg(), x, y );
+ // Do not ask if it is just the next tile but way out of range.
+ if (max_dist2 < distSqr(cartPos, SGVec3d::fromGeod(b.get_center())))
+ continue;
+ TileEntry *te = tile_cache.get_tile(b);
if (!te || !te->is_loaded())
return false;
}
namespace
{
struct IsTileLoaded :
- public std::unary_function<FGNewCache::tile_map::value_type, bool>
+ public std::unary_function<TileCache::tile_map::value_type, bool>
{
- bool operator()(const FGNewCache::tile_map::value_type& tilePair) const
+ bool operator()(const TileCache::tile_map::value_type& tilePair) const
{
return tilePair.second->is_loaded();
}
projects / flightgear.git / blobdiff