sample_queue.hxx

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// sample_queue.hxx -- sample queue management class
//
// Started by David Megginson, October 2001
// (Reuses some code from main.cxx, probably by Curtis Olson)
//
// Copyright (C) 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
// 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.
//
// $Id$
 
#ifndef __FGSAMPLE_QUEUE_HXX
#define __FGSAMPLE_QUEUE_HXX 1
 
#include <simgear/compiler.h>
 
#include <queue>
 
#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/props/props.hxx>
#include <simgear/sound/sample_group.hxx>
 
class SGSoundSample;

class FGSampleQueue : public SGSampleGroup
{
 
public:
 
    FGSampleQueue ( SGSoundMgr *smgr, const std::string &refname );
    virtual ~FGSampleQueue ();
 
    virtual void update (double dt);
 
    inline void add (SGSharedPtr<SGSoundSample> msg) { _messages.push(msg); }
 
private:
 
    std::queue< SGSharedPtr<SGSoundSample> > _messages;
 
    bool last_enabled;
    double last_volume;
 
    SGPropertyNode_ptr _enabled;
    SGPropertyNode_ptr _volume;
};
 
 
#endif
 
// end of fg_fx.hxx