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/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2004 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef QUEENMUSIC_H
#define QUEENMUSIC_H
#include "common/util.h"
#include "sound/mididrv.h"
class MidiParser;
namespace Queen {
class QueenEngine;
class MusicPlayer : public MidiDriver {
public:
MusicPlayer(MidiDriver *driver, byte *data, uint32 size);
~MusicPlayer();
void playMusic();
void stopMusic();
void setLoop(bool loop) { _looping = loop; }
void queueTuneList(int16 tuneList);
bool queueSong(uint16 songNum);
void queueClear();
//MidiDriver interface implementation
int open();
void close();
void send(uint32 b);
void metaEvent(byte type, byte *data, uint16 length);
void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
uint32 getBaseTempo(void) { return _driver ? _driver->getBaseTempo() : 0; }
//Channel allocation functions
MidiChannel *allocateChannel() { return 0; }
MidiChannel *getPercussionChannel() { return 0; }
protected:
enum {
MUSIC_QUEUE_SIZE = 14
};
void queueUpdatePos();
uint8 randomQueuePos();
static void onTimer(void *data);
bool isBadSong(uint16 songNum) const;
uint8 validSongs() const;
uint16 nextValidSong();
uint32 songOffset(uint16 songNum) const;
uint32 songLength(uint16 songNum) const;
MidiDriver *_driver;
MidiParser *_parser;
MidiChannel *_channel[16];
byte _channelVolume[16];
Common::RandomSource _rnd;
bool _isPlaying;
bool _looping;
bool _randomLoop;
byte _volume;
uint8 _queuePos;
int16 _currentSong;
int16 _lastSong; //first song from previous queue
int16 _songQueue[MUSIC_QUEUE_SIZE];
uint16 _numSongs;
byte *_musicData;
uint32 _musicDataSize;
};
class Music {
public:
Music(MidiDriver *_driver, QueenEngine *vm);
~Music();
void playSong(uint16 songNum);
void queueTuneList(int16 tuneList) { _player->queueTuneList(tuneList); }
void playMusic() { _player->playMusic(); }
void stopSong() { _player->stopMusic(); }
protected:
byte *_musicData;
uint32 _musicDataSize;
MusicPlayer *_player;
};
} // End of namespace Queen
#endif
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