1 // Build a cloud layer based on metar
2 //
3 // Written by Harald JOHNSEN, started April 2005.
4 //
5 // Copyright (C) 2005  Harald JOHNSEN - hjohnsen@evc.net
6 //
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
11 //
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 // General Public License for more details.
16 //
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
20 //
21 //
22 #ifndef _FGCLOUDS_HXX
23 #define _FGCLOUDS_HXX
24 
25 #include <string>
26 
27 // forward decls
28 class SGPropertyNode;
29 class SGCloudField;
30 
31 class FGClouds {
32 
33 private:
34 	double buildCloud(SGPropertyNode *cloud_def_root, SGPropertyNode *box_def_root,
35                       const std::string& name, double grid_z_rand, SGCloudField *layer);
36 	void buildLayer(int iLayer, const std::string& name, double coverage);
37 
38 	void buildCloudLayers(void);
39 
40 	int update_event;
41 
42 	bool clouds_3d_enabled;
43     int index;
44 
45     bool add3DCloud(const SGPropertyNode *arg, SGPropertyNode * root);
46     bool delete3DCloud(const SGPropertyNode *arg, SGPropertyNode * root);
47     bool move3DCloud(const SGPropertyNode *arg, SGPropertyNode * root);
48 
49 public:
50 	FGClouds();
51 	~FGClouds();
52 
53 	void Init(void);
54 
55 	int get_update_event(void) const;
56 	void set_update_event(int count);
57 	bool get_3dClouds() const;
58 	void set_3dClouds(bool enable);
59 
60 };
61 
62 #endif // _FGCLOUDS_HXX
63 
64