flightgear/src/Environment/fgclouds.hxx

// Build a cloud layer based on metar
//
// Written by Harald JOHNSEN, started April 2005.
//
// Copyright (C) 2005  Harald JOHNSEN - hjohnsen@evc.net
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
//
#ifndef _FGCLOUDS_HXX
#define _FGCLOUDS_HXX

#include <string>

// forward decls
class SGPropertyNode;
class SGCloudField;

class FGClouds {

private:
	double buildCloud(SGPropertyNode *cloud_def_root, SGPropertyNode *box_def_root,
                      const std::string& name, double grid_z_rand, SGCloudField *layer);
	void buildLayer(int iLayer, const std::string& name, double coverage);

	void buildCloudLayers(void);

	int update_event;

	bool clouds_3d_enabled;
    int index;
  
    bool add3DCloud(const SGPropertyNode *arg, SGPropertyNode * root);
    bool delete3DCloud(const SGPropertyNode *arg, SGPropertyNode * root);
    bool move3DCloud(const SGPropertyNode *arg, SGPropertyNode * root);
    
public:
	FGClouds();
	~FGClouds();

	void Init(void);

	int get_update_event(void) const;
	void set_update_event(int count);
	bool get_3dClouds() const;
	void set_3dClouds(bool enable);

};

#endif // _FGCLOUDS_HXX