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125 lines
3.1 KiB
C++
125 lines
3.1 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003-2005 The ScummVM project
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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
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef QUEENMUSIC_H
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#define QUEENMUSIC_H
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#include "common/util.h"
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#include "sound/mididrv.h"
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class MidiParser;
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namespace Queen {
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class QueenEngine;
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class MusicPlayer : public MidiDriver {
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public:
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MusicPlayer(MidiDriver *driver, byte *data, uint32 size);
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~MusicPlayer();
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void setVolume(int volume);
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int getVolume() { return _masterVolume; }
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void hasNativeMT32(bool b) { _nativeMT32 = b; }
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void playMusic();
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void stopMusic();
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void setLoop(bool loop) { _looping = loop; }
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void queueTuneList(int16 tuneList);
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bool queueSong(uint16 songNum);
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void queueClear();
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void setPassThrough(bool b) { _passThrough = b; }
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//MidiDriver interface implementation
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int open();
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void close();
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void send(uint32 b);
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void metaEvent(byte type, byte *data, uint16 length);
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void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
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uint32 getBaseTempo(void) { return _driver ? _driver->getBaseTempo() : 0; }
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//Channel allocation functions
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MidiChannel *allocateChannel() { return 0; }
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MidiChannel *getPercussionChannel() { return 0; }
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protected:
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enum {
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MUSIC_QUEUE_SIZE = 14
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};
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void queueUpdatePos();
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uint8 randomQueuePos();
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static void onTimer(void *data);
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uint32 songOffset(uint16 songNum) const;
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uint32 songLength(uint16 songNum) const;
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MidiDriver *_driver;
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MidiParser *_parser;
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MidiChannel *_channel[16];
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byte _channelVolume[16];
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bool _nativeMT32;
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bool _passThrough;
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Common::RandomSource _rnd;
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bool _isPlaying;
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bool _looping;
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bool _randomLoop;
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byte _masterVolume;
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uint8 _queuePos;
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int16 _currentSong;
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int16 _lastSong; //first song from previous queue
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int16 _songQueue[MUSIC_QUEUE_SIZE];
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uint16 _numSongs;
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byte *_musicData;
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uint16 *_buf;
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uint32 _musicDataSize;
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};
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class Music {
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public:
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Music(MidiDriver *_driver, QueenEngine *vm);
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~Music();
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void hasNativeMT32(bool b) { _player->hasNativeMT32(b); }
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void playSong(uint16 songNum);
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void queueTuneList(int16 tuneList) { _player->queueTuneList(tuneList); }
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void playMusic() { _player->playMusic(); }
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void stopSong() { _player->stopMusic(); }
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void setPassThrough(bool b) { _player->setPassThrough(b); }
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void toggleVChange();
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void setVolume(int vol) { _player->setVolume(vol); }
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int volume() { return _player->getVolume(); }
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protected:
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bool _vToggle;
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byte *_musicData;
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uint32 _musicDataSize;
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MusicPlayer *_player;
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};
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} // End of namespace Queen
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#endif
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