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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2005 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* 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.
*
* $Header$
*
*/
// Music class
#ifndef SAGA_MUSIC_H_
#define SAGA_MUSIC_H_
#include "saga/rscfile_mod.h"
#include "sound/mixer.h"
#include "sound/mididrv.h"
#include "sound/midiparser.h"
namespace Saga {
enum MUSIC_FLAGS {
MUSIC_LOOP = 0x0001,
MUSIC_DEFAULT = 0xffff
};
struct MUSIC_MIDITABLE {
const char *filename;
int flags;
};
struct MUSIC_DIGITABLE {
uint32 start;
uint32 length;
};
class MusicPlayer : public MidiDriver {
public:
MusicPlayer(MidiDriver *driver);
~MusicPlayer();
bool isPlaying() { return _isPlaying; }
void setVolume(int volume);
int getVolume() { return _masterVolume; }
void setNativeMT32(bool b) { _nativeMT32 = b; }
bool hasNativeMT32() { return _nativeMT32; }
void playMusic();
void stopMusic();
void setLoop(bool loop) { _looping = loop; }
void setPassThrough(bool b) { _passThrough = b; }
void setGM(bool isGM) { _isGM = isGM; }
//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; }
MidiParser *_parser;
protected:
static void onTimer(void *data);
MidiChannel *_channel[16];
MidiDriver *_driver;
byte _channelVolume[16];
bool _nativeMT32;
bool _isGM;
bool _passThrough;
bool _isPlaying;
bool _looping;
bool _randomLoop;
byte _masterVolume;
byte *_musicData;
uint16 *_buf;
uint32 _musicDataSize;
};
class Music {
public:
Music(Audio::Mixer *mixer, MidiDriver *driver, int enabled);
~Music(void);
void setNativeMT32(bool b) { _player->setNativeMT32(b); }
bool hasNativeMT32() { return _player->hasNativeMT32(); }
void setAdlib(bool b) { _adlib = b; }
bool hasAdlib() { return _adlib; }
void setPassThrough(bool b) { _player->setPassThrough(b); }
bool isPlaying(void);
int play(uint32 music_rn, uint16 flags = MUSIC_DEFAULT);
int pause(void);
int resume(void);
int stop(void);
void setVolume(int volume, int time);
private:
Audio::Mixer *_mixer;
MusicPlayer *_player;
Audio::SoundHandle _musicHandle;
uint32 _trackNumber;
static const MUSIC_MIDITABLE _midiTableITECD[26];
MUSIC_DIGITABLE _digiTableITECD[27];
int _musicInitialized;
int _enabled;
bool _hasDigiMusic;
bool _adlib;
int _targetVolume;
int _currentVolume;
int _currentVolumePercent;
RSCFILE_CONTEXT *_musicContext;
const char *_musicFname;
static void musicVolumeGaugeCallback(void *refCon);
void musicVolumeGauge(void);
};
} // End of namespace Saga
#endif
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