#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 <simgear/misc/sg_path.hxx>
#include <Main/globals.hxx>
-#include <Objects/matlib.hxx>
-#include <Objects/newmat.hxx>
-#include <Objects/obj.hxx>
#include <Scenery/scenery.hxx> // for scenery.center
#include "newcache.hxx"
SG_USING_NAMESPACE(std);
-// a cheesy hack (to be fixed later)
-extern ssgBranch *terrain;
-extern ssgBranch *ground;
-
// the tile cache
FGNewCache global_tile_cache;
// Initialize the tile cache subsystem
void FGNewCache::init( void ) {
+ // This is a hack that should really get cleaned up at some point
+ extern ssgBranch *terrain;
+
SG_LOG( SG_TERRAIN, SG_INFO, "Initializing the tile cache." );
// expand cache if needed. For best results ... i.e. to avoid
}
-#if 0
-static void print_refs( ssgSelector *sel, ssgTransform *trans,
- ssgRangeSelector *range)
-{
- cout << "selector -> " << sel->getRef()
- << " transform -> " << trans->getRef()
- << " range -> " << range->getRef() << endl;
-}
-#endif
-
-
-static ssgLeaf *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( "LIGHTS" );
- leaf->setState( newmat->get_state() );
-
- return leaf;
-}
-
-
// Fill in a tile cache entry with real data for the specified bucket
void FGNewCache::fill_in( const SGBucket& b ) {
- SG_LOG( SG_TERRAIN, SG_INFO, "FILL IN CACHE ENTRY = " << b.gen_index() );
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "FILL IN CACHE ENTRY = " << b.gen_index() );
// clear out a distant entry in the cache if needed.
make_space();
// create the entry
- FGTileEntry *e = new FGTileEntry;
+ FGTileEntry *e = new FGTileEntry( b );
// register it in the cache
long tile_index = b.gen_index();
tile_cache[tile_index] = e;
- // update the contents
- e->center = Point3D( 0.0 );
- if ( e->vec3_ptrs.size() || e->vec2_ptrs.size() || e->index_ptrs.size() ) {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Attempting to overwrite existing or"
- << " not properly freed leaf data." );
- exit(-1);
- }
-
- e->terra_transform = new ssgTransform;
- e->terra_range = new ssgRangeSelector;
- e->tile_bucket = b;
-
SGPath tile_path;
- if ( globals->get_fg_scenery() != "" ) {
+ if ( globals->get_fg_scenery() != (string)"" ) {
tile_path.set( globals->get_fg_scenery() );
} else {
tile_path.set( globals->get_fg_root() );
tile_path.append( "Scenery" );
}
- tile_path.append( b.gen_base_path() );
- // fgObjLoad will generate ground lighting for us ...
- ssgVertexArray *light_pts = new ssgVertexArray( 100 );
-
// Load the appropriate data file
- SGPath tile_base = tile_path;
- tile_base.append( b.gen_index_str() );
- ssgBranch *new_tile = fgObjLoad( tile_base.str(), e, light_pts, true );
-
- if ( new_tile != NULL ) {
- e->terra_range->addKid( new_tile );
- }
-
- // load custom objects
- SG_LOG( SG_TERRAIN, SG_DEBUG, "CUSTOM OBJECTS" );
-
- SGPath index_path = tile_path;
- index_path.append( b.gen_index_str() );
- index_path.concat( ".ind" );
-
- SG_LOG( SG_TERRAIN, SG_DEBUG, "Looking in " << index_path.str() );
-
- sg_gzifstream in( index_path.str() );
-
- if ( in.is_open() ) {
- string token, name;
-
- while ( ! in.eof() ) {
- in >> token;
- in >> name;
-#if defined ( macintosh ) || defined ( _MSC_VER )
- in >> ::skipws;
-#else
- in >> skipws;
-#endif
- SG_LOG( SG_TERRAIN, SG_DEBUG, "token = " << token
- << " name = " << name );
-
- SGPath custom_path = tile_path;
- custom_path.append( name );
- ssgBranch *custom_obj =
- fgObjLoad( custom_path.str(), e, NULL, false );
- if ( (new_tile != NULL) && (custom_obj != NULL) ) {
- new_tile -> addKid( custom_obj );
- }
- }
- }
-
- e->terra_transform->addKid( e->terra_range );
-
- // calculate initial tile offset
- e->SetOffset( scenery.center );
- sgCoord sgcoord;
- sgSetCoord( &sgcoord,
- e->offset.x(), e->offset.y(), e->offset.z(),
- 0.0, 0.0, 0.0 );
- e->terra_transform->setTransform( &sgcoord );
- terrain->addKid( e->terra_transform );
-
- e->lights_transform = NULL;
- e->lights_range = NULL;
- /* uncomment this section for testing ground lights */
- if ( light_pts->getNum() ) {
- SG_LOG( SG_TERRAIN, SG_DEBUG, "generating lights" );
- e->lights_transform = new ssgTransform;
- e->lights_range = new ssgRangeSelector;
- e->lights_brightness = new ssgSelector;
- ssgLeaf *lights;
-
- lights = gen_lights( light_pts, 4, 0.7 );
- e->lights_brightness->addKid( lights );
-
- lights = gen_lights( light_pts, 2, 0.85 );
- e->lights_brightness->addKid( lights );
-
- lights = gen_lights( light_pts, 1, 1.0 );
- e->lights_brightness->addKid( lights );
-
- e->lights_range->addKid( e->lights_brightness );
- e->lights_transform->addKid( e->lights_range );
- e->lights_transform->setTransform( &sgcoord );
- ground->addKid( e->lights_transform );
- }
- /* end of ground light section */
+ e->load( tile_path, true );
}
// Ensure at least one entry is free in the cache
void FGNewCache::make_space() {
- SG_LOG( SG_TERRAIN, SG_INFO, "Make space in cache" );
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "Make space in cache" );
SG_LOG( SG_TERRAIN, SG_DEBUG, "cache entries = " << tile_cache.size() );
- SG_LOG( SG_TERRAIN, SG_INFO, "max size = " << max_cache_size );
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "max size = " << max_cache_size );
if ( (int)tile_cache.size() < max_cache_size ) {
// space in the cache, return
projects / flightgear.git / blobdiff