X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FScenery%2Ftileentry.hxx;h=54cebe768ead04c2ec6e2d5cdc6429a1a2726343;hb=948aa70af78626584042b70fdf3c3babfb5aa804;hp=0d61677fd81729b9f80417a61ab932e4c9a67018;hpb=905b48c55cd26dfd291f80f4475ffec269096113;p=flightgear.git diff --git a/src/Scenery/tileentry.hxx b/src/Scenery/tileentry.hxx index 0d61677fd..54cebe768 100644 --- a/src/Scenery/tileentry.hxx +++ b/src/Scenery/tileentry.hxx @@ -2,7 +2,7 @@ // // 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 @@ -16,7 +16,7 @@ // // 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. +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // $Id$ @@ -25,246 +25,126 @@ #define _TILEENTRY_HXX -#ifndef __cplusplus +#ifndef __cplusplus # error This library requires C++ -#endif - -#ifdef HAVE_CONFIG_H -# include #endif #include #include -#include STL_STRING - -#include // plib includes +#include #include -#include #include -#if defined( sgi ) -#include -#endif - -SG_USING_STD(string); -SG_USING_STD(vector); - - -typedef vector < Point3D > point_list; -typedef point_list::iterator point_list_iterator; -typedef point_list::const_iterator const_point_list_iterator; - -class FGTileEntry; - - -/** - * A class to hold deferred model loading info - */ -class FGDeferredModel { - -private: - - string model_path; - string texture_path; - FGTileEntry *tile; - ssgTransform *obj_trans; - -public: - - inline FGDeferredModel() { } - inline FGDeferredModel( const string mp, const string tp, - FGTileEntry *t, ssgTransform *ot ) - { - model_path = mp; - texture_path = tp; - tile = t; - obj_trans = ot; - } - inline ~FGDeferredModel() { } - inline string get_model_path() const { return model_path; } - inline string get_texture_path() const { return texture_path; } - inline FGTileEntry *get_tile() const { return tile; } - inline ssgTransform *get_obj_trans() const { return obj_trans; } -}; - +#include +#include +#include +#include /** * A class to encapsulate everything we need to know about a scenery tile. */ -class FGTileEntry { +class TileEntry { public: - - // global tile culling data - Point3D center; - double bounding_radius; - Point3D offset; - // this tile's official location in the world SGBucket tile_bucket; + std::string tileFileName; private: - // ssg tree structure for this tile is as follows: - // ssgRoot(scene) - // - ssgBranch(terrain) - // - ssgTransform(tile) - // - ssgRangeSelector(tile) - // - ssgEntity(tile) - // - kid1(fan) - // - kid2(fan) - // ... - // - kidn(fan) - - // pointer to ssg transform for this tile - ssgTransform *terra_transform; - ssgTransform *vasi_lights_transform; - ssgTransform *rwy_lights_transform; - ssgTransform *taxi_lights_transform; - ssgTransform *gnd_lights_transform; - // pointer to ssg range selector for this tile - ssgRangeSelector *terra_range; - ssgRangeSelector *gnd_lights_range; - - // we create several preset brightness and can choose which one we - // want based on lighting conditions. - ssgSelector *gnd_lights_brightness; - - // we need to be able to turn runway lights on or off (doing this - // via a call back would be nifty, but then the call back needs to - // know about the higher level application's global state which is - // a problem if we move the code into simgear.) - ssgSelector *vasi_lights_selector; - ssgSelector *rwy_lights_selector; - ssgSelector *taxi_lights_selector; - - /** - * Indicates this tile has been loaded from a file and connected - * into the scene graph. Note that this may be set asynchronously - * by another thread. - */ - volatile bool loaded; + osg::ref_ptr _node; + // Reference to DatabaseRequest object set and used by the + // osgDB::DatabasePager. + osg::ref_ptr _databaseRequest; /** - * Count of pending models to load for this tile. This tile - * cannot be removed until this number reaches zero (i.e. no - * pending models to load for this tile.) + * This value is used by the tile scheduler/loader to load tiles + * in a useful sequence. The priority is set to reflect the tiles + * distance from the center, so all tiles are loaded in an innermost + * to outermost sequence. */ - volatile int pending_models; - - bool obj_load( const string& path, - ssgBranch* geometry, - ssgBranch* vasi_lights, - ssgBranch* rwy_lights, - ssgBranch* taxi_lights, - ssgVertexArray* gound_lights, - bool is_base ); - - ssgLeaf* gen_lights( SGMaterialLib *matlib, ssgVertexArray *lights, - int inc, float bright ); - - double timestamp; - - - // this variable tracks the status of the incremental memory freeing. - enum { - NODES = 0x01, - VEC_PTRS = 0x02, - TERRA_NODE = 0x04, - GROUND_LIGHTS = 0x08, - VASI_LIGHTS = 0x10, - RWY_LIGHTS = 0x20, - TAXI_LIGHTS = 0x40, - LIGHTMAPS = 0x80 - }; - int free_tracker; + float _priority; + /** Flag indicating if tile belongs to current view. */ + bool _current_view; + /** Time when tile expires. */ + double _time_expired; public: // Constructor - FGTileEntry( const SGBucket& b ); + TileEntry( const SGBucket& b ); + TileEntry( const TileEntry& t ); // Destructor - ~FGTileEntry(); - - // Clean up the memory used by this tile and delete the arrays - // used by ssg as well as the whole ssg branch. This does a - // partial clean up and exits so we can spread the load across - // multiple frames. Returns false if work remaining to be done, - // true if dynamically allocated memory used by this tile is - // completely freed. - bool free_tile(); - - // Calculate this tile's offset - void SetOffset( const Point3D& p) - { - offset = center - p; - } - - // Return this tile's offset - inline Point3D get_offset() const { return offset; } + ~TileEntry(); // Update the ssg transform node for this tile so it can be // properly drawn relative to our (0,0,0) point - void prep_ssg_node( const Point3D& p, sgVec3 up, float vis); + void prep_ssg_node(float vis); /** - * Load tile data from a file. - * @param base name of directory containing tile data file. - * @param is_base is this a base terrain object for which we should generate - * random ground light points */ - void load( const string &base_path, bool is_base ); - + * Transition to OSG database pager + */ + static osg::Node* loadTileByFileName(const std::string& index_str, + const osgDB::Options*); /** * Return true if the tile entry is loaded, otherwise return false * indicating that the loading thread is still working on this. */ - inline bool is_loaded() const { return loaded; } - - /** - * decrement the pending models count - */ - inline void dec_pending_models() { pending_models--; } - - /** - * return the number of remaining pending models for this tile - */ - inline int get_pending_models() const { return pending_models; } + inline bool is_loaded() const + { + return _node->getNumChildren() > 0; + } /** * Return the "bucket" for this tile */ - inline SGBucket get_tile_bucket() const { return tile_bucket; } + inline const SGBucket& get_tile_bucket() const { return tile_bucket; } /** * Add terrain mesh and ground lighting to scene graph. */ - void add_ssg_nodes( ssgBranch *terrain_branch, - ssgBranch *gnd_lights_branch, - ssgBranch *vasi_lights_branch, - ssgBranch *rwy_lights_branch, - ssgBranch *taxi_lights_branch ); + void addToSceneGraph( osg::Group *terrain_branch); /** * disconnect terrain mesh and ground lighting nodes from scene * graph for this tile. */ - void disconnect_ssg_nodes(); + void removeFromSceneGraph(); + + /** + * Refresh a tile, reload the node from disk. + */ + void refresh(); - /** - * return the SSG Transform node for the terrain + * return the scenegraph node for the terrain */ - inline ssgTransform *get_terra_transform() { return terra_transform; } + osg::LOD *getNode() const { return _node.get(); } - void set_timestamp(double time_ms) { timestamp = time_ms; } + inline double get_time_expired() const { return _time_expired; } + inline void update_time_expired( double time_expired ) { if (_time_expired _time_expired); } + // Get the ref_ptr to the DatabaseRequest object, in order to pass + // this to the pager. + osg::ref_ptr& getDatabaseRequest() + { + return _databaseRequest; + } +}; #endif // _TILEENTRY_HXX