1 // terrasync.hxx -- scenery fetcher
3 // Copyright (C) 2011 Thorsten Brehm <brehmt@gmail.com>
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License as
7 // published by the Free Software Foundation; either version 2 of the
8 // License, or (at your option) any later version.
10 // This program is distributed in the hope that it will be useful, but
11 // WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 #ifndef TERRASYNC_HXX_
22 #define TERRASYNC_HXX_
24 #include <simgear/props/props.hxx>
25 #include <simgear/structure/subsystem_mgr.hxx>
26 #include <simgear/props/tiedpropertylist.hxx>
33 const int NOWHERE = -9999;
35 class BufferedLogCallback;
37 typedef void (*SGTerraSyncCallback)(void* userData, long tileIndex);
39 class SGTerraSync : public SGSubsystem
43 SGTerraSync(SGPropertyNode_ptr root);
44 virtual ~SGTerraSync();
47 virtual void reinit();
49 virtual void unbind();
50 virtual void update(double);
52 /// notify terrasync that the sim was repositioned, as opposed to
53 /// us travelling in a direction. Avoid last_lat / last_lon blocking
54 /// certain tiles when we reposition.
58 bool schedulePosition(int lat, int lon);
60 bool scheduleTile(const SGBucket& bucket);
62 void setTileRefreshCb(SGTerraSyncCallback refreshCb, void* userData = NULL);
64 /// retrive the associated log object, for displaying log
65 /// output somewhere (a UI, presumably)
66 BufferedLogCallback* log() const
69 void syncAirportsModels();
70 void syncArea(int lat, int lon);
71 void syncAreas(int lat, int lon, int lat_dir, int lon_dir);
72 void refreshScenery(SGPath path,const std::string& relativeDir);
77 SvnThread* _svnThread;
80 SGPropertyNode_ptr _terraRoot;
81 SGPropertyNode_ptr _refreshDisplay;
82 SGPropertyNode_ptr _stalledNode;
83 SGPropertyNode_ptr _cacheHits;
85 // we manually bind+init TerraSync during early startup
86 // to get better overlap of slow operations (Shared Models sync
87 // and nav-cache rebuild). As a result we need to track the bind/init
88 // state explicitly to avoid duplicate calls.
91 SGTerraSyncCallback _refreshCb;
93 simgear::TiedPropertyList _tiedProperties;
94 BufferedLogCallback* _log;
99 #endif /* TERRASYNC_HXX_ */