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/* ScummVM - Scumm Interpreter
* Copyright (C) 2005-2006 The ScummVM project
*
* 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 LURE_SOUND_H
#define LURE_SOUND_H
#include "lure/luredefs.h"
#include "lure/disk.h"
#include "lure/memory.h"
#include "common/singleton.h"
#include "sound/mididrv.h"
#include "sound/mixer.h"
class MidiParser;
namespace Lure {
#define NUM_CHANNELS_OUTER 8
#define NUM_CHANNELS_INNER 16
struct ChannelEntry {
MidiChannel *midiChannel;
bool isMusic;
uint8 volume;
};
class MidiMusic: public MidiDriver {
private:
uint8 _soundNumber;
uint8 _channelNumber;
uint8 _numChannels;
byte _volume;
MemoryBlock *_decompressedSound;
uint8 *_soundData;
uint8 _soundSize;
MidiDriver *_driver;
MidiParser *_parser;
ChannelEntry *_channels;
bool _isPlaying;
void queueUpdatePos();
uint8 randomQueuePos();
uint32 songOffset(uint16 songNum) const;
uint32 songLength(uint16 songNum) const;
bool _passThrough;
public:
MidiMusic(MidiDriver *driver, ChannelEntry channels[NUM_CHANNELS_INNER],
uint8 channelNum, uint8 soundNum, bool isMusic, void *soundData, uint32 size);
~MidiMusic();
void setVolume(int volume);
int getVolume() { return _volume; }
void playSong(uint16 songNum);
void stopSong() { stopMusic(); }
void playMusic();
void stopMusic();
void queueTuneList(int16 tuneList);
bool queueSong(uint16 songNum);
void setPassThrough(bool b) { _passThrough = b; }
void toggleVChange();
//MidiDriver interface implementation
int open();
void close();
void send(uint32 b);
void onTimer();
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; }
uint8 channelNumber() { return _channelNumber; }
uint8 soundNumber() { return _soundNumber; }
bool isPlaying() { return _isPlaying; }
};
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;
ManagedList<SoundDescResource *> _activeSounds;
ManagedList<MidiMusic *> _playingSounds;
ChannelEntry _channelsInner[NUM_CHANNELS_INNER];
bool _channelsInUse[NUM_CHANNELS_OUTER];
bool _isPlaying;
bool _nativeMT32;
bool _isRoland;
Common::MutexRef _soundMutex;
bool _paused;
// Internal support methods
void bellsBodge();
void musicInterface_TidySounds();
static void onTimer(void *data);
void doTimer();
public:
SoundManager();
~SoundManager();
void saveToStream(WriteStream *stream);
void loadFromStream(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 setVolume(uint8 volume);
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() { return _paused; }
bool hasNativeMT32() { return _nativeMT32; }
bool isRoland() { return _isRoland; }
// The following methods implement the external sound player module
void musicInterface_Initialise();
void musicInterface_Play(uint8 soundNumber, uint8 channelNumber);
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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