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Diffstat (limited to 'engines/xeen/music.h')
-rw-r--r-- | engines/xeen/music.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/engines/xeen/music.h b/engines/xeen/music.h new file mode 100644 index 0000000000..202f8ba982 --- /dev/null +++ b/engines/xeen/music.h @@ -0,0 +1,83 @@ +/* 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 XEEN_MUSIC_H +#define XEEN_MUSIC_H + +#include "audio/fmopl.h" +#include "audio/mixer.h" +#include "common/array.h" +#include "common/mutex.h" +#include "common/queue.h" + +namespace OPL { + class OPL; +} + +namespace Xeen { + +struct RegisterValue { + uint8 _regNum; + uint8 _value; + + RegisterValue(int regNum, int value) { + _regNum = regNum; _value = value; + } +}; + +class Music { +private: + OPL::OPL *_opl; + Common::Mutex _driverMutex; + Common::Queue<RegisterValue> _queue; + const byte *_effectsData; + Common::Array<uint16> _effectsOffsets; +private: + /** + * Loads effects data that was embedded in the music driver + */ + void loadEffectsData(); + + /** + * Timer function for OPL + */ + void onTimer(); + + /** + * Flushes any pending writes to the OPL + */ + void flush(); + + /** + * Updates any playing music + */ + void update(); +protected: + Audio::Mixer *_mixer; +public: + Music(Audio::Mixer *mixer); + ~Music(); +}; + +} // End of namespace Xeen + +#endif /* XEEN_MUSIC_H */ |