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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.
*
*/
#ifndef LURE_SOUND_H
#define LURE_SOUND_H
#include "lure/luredefs.h"
#include "lure/disk.h"
#include "lure/memory.h"
#include "common/mutex.h"
#include "common/singleton.h"
#include "common/ptr.h"
#include "audio/mididrv.h"
#include "audio/mixer.h"
class MidiParser;
namespace Lure {
#define NUM_CHANNELS 16
struct ChannelEntry {
MidiChannel *midiChannel;
uint8 volume;
};
class MidiMusic: public MidiDriver_BASE {
private:
uint8 _soundNumber;
uint8 _channelNumber;
uint8 _numChannels;
byte _volume;
MemoryBlock *_decompressedSound;
uint8 *_soundData;
uint8 _soundSize;
MidiDriver *_driver;
MidiParser *_parser;
ChannelEntry *_channels;
bool _isMusic;
bool _isPlaying;
void queueUpdatePos();
uint8 randomQueuePos();
uint32 songOffset(uint16 songNum) const;
uint32 songLength(uint16 songNum) const;
public:
MidiMusic(MidiDriver *driver, ChannelEntry channels[NUM_CHANNELS],
uint8 channelNum, uint8 soundNum, bool isMus, uint8 numChannels, void *soundData, uint32 size);
~MidiMusic();
void setVolume(int volume);
int getVolume() const { return _volume; }
void playSong(uint16 songNum);
void stopSong() { stopMusic(); }
void playMusic();
void stopMusic();
void queueTuneList(int16 tuneList);
bool queueSong(uint16 songNum);
void toggleVChange();
// MidiDriver_BASE interface implementation
virtual void send(uint32 b);
virtual void metaEvent(byte type, byte *data, uint16 length);
void onTimer();
uint8 channelNumber() const { return _channelNumber; }
uint8 soundNumber() const { return _soundNumber; }
bool isPlaying() const { return _isPlaying; }
bool isMusic() const { return _isMusic; }
};
class SoundManager : public Common::Singleton<SoundManager> {
private:
// Outer sound interface properties
MemoryBlock *_descs;
MemoryBlock *_soundData;
uint8 _soundsTotal;
int _numDescs;
SoundDescResource *soundDescs() { return (SoundDescResource *) _descs->data(); }
MidiDriver *_driver;
typedef Common::List<Common::SharedPtr<SoundDescResource> > SoundList;
typedef SoundList::iterator SoundListIterator;
SoundList _activeSounds;
typedef Common::List<Common::SharedPtr<MidiMusic> > MusicList;
typedef MusicList::iterator MusicListIterator;
MusicList _playingSounds;
ChannelEntry _channelsInner[NUM_CHANNELS];
bool _channelsInUse[NUM_CHANNELS];
bool _isPlaying;
bool _nativeMT32;
bool _isRoland;
Common::MutexRef _soundMutex;
bool _paused;
uint _musicVolume;
uint _sfxVolume;
// Internal support methods
void bellsBodge();
void musicInterface_TidySounds();
static void onTimer(void *data);
void doTimer();
public:
SoundManager();
~SoundManager();
void saveToStream(Common::WriteStream *stream);
void loadFromStream(Common::ReadStream *stream);
void loadSection(uint16 sectionId);
void killSounds();
void addSound(uint8 soundIndex, bool tidyFlag = true);
void addSound2(uint8 soundIndex);
void stopSound(uint8 soundIndex);
void killSound(uint8 soundNumber);
void setVolume(uint8 soundNumber, uint8 volume);
void syncSounds();
void tidySounds();
uint8 descIndexOf(uint8 soundNumber);
SoundDescResource *findSound(uint8 soundNumber);
void removeSounds();
void restoreSounds();
void fadeOut();
void pause() { _paused = true; }
void resume() { _paused = false; }
bool getPaused() const { return _paused; }
bool hasNativeMT32() const { return _nativeMT32; }
bool isRoland() const { return _isRoland; }
uint musicVolume() const { return _musicVolume; }
uint sfxVolume() const { return _sfxVolume; }
// The following methods implement the external sound player module
void musicInterface_Initialise();
void musicInterface_Play(uint8 soundNumber, uint8 channelNumber, uint8 numChannels = 4);
void musicInterface_Stop(uint8 soundNumber);
bool musicInterface_CheckPlaying(uint8 soundNumber);
void musicInterface_SetVolume(uint8 channelNum, uint8 volume);
void musicInterface_KillAll();
void musicInterface_ContinuePlaying();
void musicInterface_TrashReverb();
};
} // End of namespace Lure
#define Sound (::Lure::SoundManager::instance())
#endif
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