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/* 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 SCI_MUSIC_H
#define SCI_MUSIC_H
#include "sound/mixer.h"
#include "sound/audiostream.h"
#include "sound/mididrv.h"
#include "sound/midiparser.h"
#include "common/mutex.h"
#include "common/savefile.h"
#include "sci/sci.h"
#include "sci/resource.h"
#include "sci/sfx/softseq/mididriver.h"
/*
Sound drivers info: (from driver cmd0)
Adlib/SB : track 0 , voices 9 , patch 3 ah=1
ProAudioSp: track 0 , voices 9 , patch 3 ah=17
GenerlMIDI: track 7 , voices 32, patch 4 ah=1 SCI1.1
Game Blast: track 9 , voices 12, patch 101 ah=1
MT-32 : track 12, voices 32, patch 1 ah=1
PC Speaker: track 18, voices 1 , patch 0xFF ah=1
Tandy : track 19, voices 3 , patch 101 ah=1
IBM PS/1 : track 19, voices 3 , patch 101 ah=1
*/
namespace Sci {
typedef uint16 SCIHANDLE;
typedef uint16 HEAPHANDLE;
enum kTrackType {
kTrackAdlib = 0,
kTrackGameBlaster = 9,
kTrackMT32 = 12,
kTrackSpeaker = 18,
kTrackTandy = 19
};
enum kSndStatus {
kSndStatusStopped = 0,
kSndStatusInitialized = 1,
kSndStatusPaused = 2,
kSndStatusPlaying = 3
};
class MidiParser_SCI;
struct MusicEntry {
reg_t soundObj;
SoundResource *soundRes;
uint16 resnum;
uint16 dataInc;
uint16 ticker;
byte prio;
byte loop;
byte volume;
byte fadeTo;
short fadeStep;
uint32 fadeTicker;
uint32 fadeTickerStep;
MidiParser_SCI *pMidiParser;
Audio::AudioStream* pStreamAud;
Audio::SoundHandle hCurrentAud;
kSndStatus status;
};
typedef Common::Array<MusicEntry *> MusicList;
class SciMusic {
public:
SciMusic(SciVersion soundVersion);
~SciMusic();
void init();
#if 0
void loadPatch();
#endif
void onTimer();
bool saveState(Common::OutSaveFile *pFile);
bool restoreState(Common::InSaveFile *pFile);
void stopAll();
void clearPlaylist() {
_playList.clear();
}
// sound and midi functions
void soundInitSnd(MusicEntry *pSnd);
void soundPlay(MusicEntry *pSnd);
void soundStop(MusicEntry *pSnd);
void soundKill(MusicEntry *pSnd);
void soundPause(MusicEntry *pSnd);
void soundSetVolume(MusicEntry *pSnd, byte volume);
void soundSetPriority(MusicEntry *pSnd, byte prio);
uint16 soundGetMasterVolume();
void soundSetMasterVolume(uint16 vol);
uint16 soundGetVoices();
uint32 soundGetTempo() {
return _dwTempo;
}
int findListSlot(reg_t obj) {
for (uint32 i = 0; i < _playList.size(); i++) {
if (_playList[i]->soundObj == obj)
return i;
}
return -1;
}
uint16 _savelen;
MusicList _playList;
protected:
byte findAudEntry(uint16 nAud, byte&oVolume, uint32& oOffset, uint32&oSize);
void sortPlayList();
#if 0
void loadPatchMT32();
void patchSysEx(byte * addr, byte *pdata, int len);
void patchUpdateAddr(byte *addr, int len);
#endif
void doFade(MusicEntry *pSnd);
SciVersion _soundVersion;
Audio::Mixer *_pMixer;
MidiPlayer *_pMidiDrv;
MidiDriverType _midiType;
Common::Mutex _mutex;
uint32 _dwTempo;
bool _bMultiMidi; // use adlib's digital track if midi track don't have one
private:
static void miditimerCallback(void *p);
};
class MidiParser_SCI : public MidiParser {
public:
MidiParser_SCI();
~MidiParser_SCI();
bool loadMusic(SoundResource::Track *track, MusicEntry *psnd, int channelFilterMask, SciVersion soundVersion);
bool loadMusic(byte *, uint32) {
return false;
}
void unloadMusic();
void setVolume(byte bVolume);
void stop() {
_abort_parse = true;/*hangAllActiveNotes();*/
}
void pause() {
_abort_parse = true; /*hangAllActiveNotes();*/
}
protected:
void parseNextEvent(EventInfo &info);
byte *midiMixChannels();
byte *midiFilterChannels(int channelMask);
byte midiGetNextChannel(long ticker);
SciVersion _soundVersion;
byte *_mixedData;
SoundResource::Track *_track;
MusicEntry *_pSnd;
uint32 _loopTick;
byte _volume;
bool _signalSet;
int16 _signalToSet;
};
} // end of namespace
#endif
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