scummvm/engines/gob/sound/bgatmosphere.h
2012-01-27 14:45:41 +01:00

78 lines
1.8 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 GOB_SOUND_BGATMOSPHERE_H
#define GOB_SOUND_BGATMOSPHERE_H
#include "audio/mixer.h"
#include "common/array.h"
#include "common/mutex.h"
#include "common/random.h"
#include "gob/sound/soundmixer.h"
namespace Gob {
class SoundDesc;
class BackgroundAtmosphere : private SoundMixer {
public:
enum PlayMode {
kPlayModeLinear,
kPlayModeRandom
};
BackgroundAtmosphere(Audio::Mixer &mixer);
~BackgroundAtmosphere();
void playBA();
void stopBA();
void setPlayMode(PlayMode mode);
void queueSample(SoundDesc &sndDesc);
void queueClear();
void setShadable(bool shadable);
void shade();
void unshade();
private:
PlayMode _playMode;
Common::Array<SoundDesc *> _queue;
int _queuePos;
bool _shaded;
bool _shadable;
Common::Mutex _mutex;
Common::RandomSource _rnd;
void checkEndSample();
void getNextQueuePos();
};
} // End of namespace Gob
#endif // GOB_SOUND_BGATMOSPHERE_H