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Diffstat (limited to 'engines/groovie/music.h')
-rw-r--r-- | engines/groovie/music.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/engines/groovie/music.h b/engines/groovie/music.h new file mode 100644 index 0000000000..6c8e6490b5 --- /dev/null +++ b/engines/groovie/music.h @@ -0,0 +1,78 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#ifndef GROOVIE_MUSIC_H +#define GROOVIE_MUSIC_H + +#include "groovie/groovie.h" + +#include "sound/mididrv.h" +#include "sound/midiparser.h" + +namespace Groovie { + +class MusicPlayer : public MidiDriver { +public: + MusicPlayer(GroovieEngine *vm); + ~MusicPlayer(); + void playSong(uint16 fileref); + void setBackgroundSong(uint16 fileref); + + // Volume + void setUserVolume(uint16 volume); + void setGameVolume(uint16 volume, uint16 time); +private: + uint16 _userVolume; + uint16 _gameVolume; + byte _chanVolumes[0x10]; + void updateChanVolume(byte channel); + +public: + // MidiDriver interface + int open(); + void close(); + void send(uint32 b); + void metaEvent(byte type, byte *data, uint16 length); + void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc); + uint32 getBaseTempo(void); + MidiChannel *allocateChannel(); + MidiChannel *getPercussionChannel(); + +private: + GroovieEngine *_vm; + byte *_data; + MidiParser *_midiParser; + MidiDriver *_driver; + + uint16 _backgroundFileRef; + + bool play(uint16 fileref, bool loop); + bool load(uint16 fileref); + void unload(); +}; + +} // End of Groovie namespace + +#endif // GROOVIE_MUSIC_H |