scummvm/saga/music.h
Torbjörn Andersson 8e93b45efe If the game tries to start a piece of music that happens to be playing
already, let it continue playing rather than restarting it. (I've been
meaning to make this change for some time, but now it appeared on the TODO
list as well. :-)

svn-id: r16583
2005-01-17 14:19:17 +00:00

146 lines
3.3 KiB
C++

/* 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(SoundMixer *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);
private:
SoundMixer *_mixer;
MusicPlayer *_player;
PlayingSoundHandle _musicHandle;
uint32 _trackNumber;
static const MUSIC_MIDITABLE _midiTableITECD[26];
MUSIC_DIGITABLE _digiTableITECD[27];
int _musicInitialized;
int _enabled;
bool _hasDigiMusic;
bool _adlib;
RSCFILE_CONTEXT *_musicContext;
const char *_musicFname;
};
} // End of namespace Saga
#endif