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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"
/*
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;
class SoundRes : Resource {
public:
enum kTrackType {
kTrackAdlib = 0,
kTrackGameBlaster = 9,
kTrackMT32 = 12,
kTrackSpeaker = 18,
kTrackTandy = 19
};
struct tagChannel {
byte number;
byte poly;
uint16 unk;
uint16 size;
byte *ptr;
long time;
byte prev;
};
struct tagTrack {
kTrackType type;
byte nDigital;
byte nChannels;
tagChannel *aChannels;
uint sz;
};
public:
SoundRes(SCIHANDLE handle, uint32 ResId);
~SoundRes();
tagTrack *getTrackByNumber(uint16 number);
tagTrack *getTrackByType(kTrackType type);
protected:
byte nTracks;
tagTrack *aTracks;
};
enum kSndStatus {
kStopped = 0, kPaused, kPlaying
};
// script-used struct to manipulate sound (358 bytes)
class MidiParser_SCI;
struct sciSound {
//sciNode node; // [0-5] // we use a Common::List
uint16 resnum;// [6-7]
// byte * pMidiData;
Audio::AudioStream* pStreamAud;
MidiParser_SCI *pMidiParser;
Audio::SoundHandle hCurrentAud;
kSndStatus sndStatus;
uint16 dataInc; //[338-339]
uint16 ticker;
uint16 signal; //[344]
byte prio; // 348
byte loop; // 349
byte volume; // 350
byte FadeTo;
short FadeStep;
uint32 FadeTicker;
uint32 FadeTickerStep;
// byte unk7[7];
};
class SciMusic {
public:
SciMusic();
~SciMusic();
void init();
void loadPatch();
void onTimer();
bool saveState(Common::OutSaveFile *pFile);
bool restoreState(Common::InSaveFile *pFile);
void stopAll();
void clearPlaylist() {
_playList.clear();
}
// sound and midi functions
void soundInitSnd(SoundRes *res, sciSound *pSnd);
void soundPlay(sciSound *pSnd);
void soundStop(sciSound *pSnd);
void soundKill(sciSound *pSnd);
void soundPause(sciSound *pSnd);
void soundSetVolume(sciSound *pSnd, byte volume);
void soundSetPriority(sciSound *pSnd, byte prio);
uint16 soundGetMasterVolume();
void soundSetMasterVolume(uint16 vol);
uint16 soundGetVoices();
uint32 soundGetTempo() {
return _dwTempo;
}
uint16 _savelen;
protected:
byte findAudEntry(uint16 nAud, byte&oVolume, uint32& oOffset, uint32&oSize);
void sortPlayList();
void loadPatchMT32();
void patchSysEx(byte * addr, byte *pdata, int len);
void patchUpdateAddr(byte *addr, int len);
void doFade(sciSound *pSnd);
Audio::Mixer *_pMixer;
MidiDriver *_pMidiDrv;
int _midiType;
Common::Mutex _mutex;
Common::Array<sciSound *> _playList;
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(SoundRes::tagTrack *ptrack, sciSound *psnd);
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 midiGetNextChannel(long ticker);
byte *_pMidiData;
SoundRes::tagTrack *_pTrack;
sciSound *_pSnd;
uint32 _loopTick;
byte _volume;
};
} // end of namespace
#endif
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