71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
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// sample_queue.hxx -- sample queue management class
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//
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// Started by David Megginson, October 2001
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// (Reuses some code from main.cxx, probably by Curtis Olson)
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//
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// Copyright (C) 2001 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef __FGSAMPLE_QUEUE_HXX
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#define __FGSAMPLE_QUEUE_HXX 1
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#include <simgear/compiler.h>
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#include <queue>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/sound/sample_group.hxx>
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class SGSoundSample;
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/**
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* FlightGear sample queue class
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*
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* This modules maintains a queue of 'message' audio files. These
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* are played sequentially with no overlap until the queue is finished.
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* This second mechanims is useful for things like tutorial messages or
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* background atc chatter.
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*/
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class FGSampleQueue : public SGSampleGroup
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{
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public:
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FGSampleQueue ( SGSoundMgr *smgr, const string &refname );
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virtual ~FGSampleQueue ();
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virtual void update (double dt);
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inline void add (SGSoundSample *msg) { _messages.push(msg); }
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private:
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std::queue<SGSoundSample *> _messages;
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bool last_pause;
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double last_volume;
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SGPropertyNode_ptr _pause;
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SGPropertyNode_ptr _volume;
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};
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#endif
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// end of fg_fx.hxx
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