sound.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef QUEEN_SOUND_H
#define QUEEN_SOUND_H
 
#include "audio/mixer.h"
 
namespace Audio {
class AudioStream;
}
 
namespace Common {
class File;
}
 
namespace Queen {
 
struct SongData {
    int16 tuneList[5];
    int16 volume;
    int16 tempo;
    int16 reverb;
    int16 overrideCmd;
    int16 ignore;
};
 
struct TuneData {
    int16 tuneNum[9];
    int16 sfx[2];
    int16 mode;
    int16 delay;
};
 
class MidiMusic;
class QueenEngine;
 
class Sound {
public:
    Sound(Audio::Mixer *mixer, QueenEngine *vm);
    virtual ~Sound() {}
 
    static Sound *makeSoundInstance(Audio::Mixer *mixer, QueenEngine *vm, uint8 compression);
 
    virtual void playSfx(uint16 sfx) {}
    virtual void playSong(int16 songNum) {}
    virtual void playSpeech(const char *base) {}
 
    virtual void stopSfx() {}
    virtual void stopSong() {}
    virtual void stopSpeech() {}
 
    virtual bool isSpeechActive() const { return false; }
    virtual bool isSfxActive() const { return false; }
 
    virtual void updateMusic() {}
 
    virtual void setVolume(int vol);
    virtual int getVolume()             { return _musicVolume; }
 
    void playLastSong()     { playSong(_lastOverride); }
 
    bool sfxOn() const          { return _sfxToggle; }
    void sfxToggle(bool val)    { _sfxToggle = val; }
    void toggleSfx()            { _sfxToggle = !_sfxToggle; }
 
    bool speechOn() const       { return _speechToggle; }
    void speechToggle(bool val) { _speechToggle = val; }
    void toggleSpeech()         { _speechToggle = !_speechToggle; }
 
    bool musicOn() const        { return _musicToggle; }
    void musicToggle(bool val)  { _musicToggle = val; }
    void toggleMusic()          { _musicToggle = !_musicToggle; }
 
    bool speechSfxExists() const    { return _speechSfxExists; }
 
    int16 lastOverride() const  { return _lastOverride; }
 
    void saveState(byte *&ptr);
    void loadState(uint32 ver, byte *&ptr);
 
    static const SongData _songDemo[];
    static const SongData _song[];
    static const TuneData _tuneDemo[];
    static const TuneData _tune[];
    static const char *const _sfxName[];
    static const int16 _jungleList[];
 
protected:
 
    Audio::Mixer *_mixer;
    QueenEngine *_vm;
 
    bool _sfxToggle;
    bool _speechToggle;
    bool _musicToggle;
    bool _speechSfxExists;
 
    int16 _lastOverride;
    int _musicVolume;
};
 
class PCSound : public Sound {
public:
    PCSound(Audio::Mixer *mixer, QueenEngine *vm);
    ~PCSound() override;
 
    void playSfx(uint16 sfx) override;
    void playSpeech(const char *base) override;
    void playSong(int16 songNum) override;
 
    void stopSfx() override         { _mixer->stopHandle(_sfxHandle); }
    void stopSong() override;
    void stopSpeech() override      { _mixer->stopHandle(_speechHandle); }
 
    bool isSpeechActive() const override    { return _mixer->isSoundHandleActive(_speechHandle); }
    bool isSfxActive() const override   { return _mixer->isSoundHandleActive(_sfxHandle); }
 
    void setVolume(int vol) override;
 
protected:
    void playSound(const char *base, bool isSpeech);
 
    virtual void playSoundData(Common::File *f, uint32 size, Audio::SoundHandle *soundHandle) = 0;
 
    Audio::SoundHandle _sfxHandle;
    Audio::SoundHandle _speechHandle;
    MidiMusic *_music;
};
 
class AmigaSound : public Sound {
public:
    AmigaSound(Audio::Mixer *mixer, QueenEngine *vm);
 
    void playSfx(uint16 sfx) override;
    void playSong(int16 song) override;
 
    void stopSfx() override;
    void stopSong() override;
 
    bool isSfxActive() const override { return _mixer->isSoundHandleActive(_sfxHandle); }
 
    void updateMusic() override;
 
protected:
 
    void playSound(const char *base);
    Audio::AudioStream *loadModule(const char *base, int song);
    void playModule(const char *base, int song);
    void playPattern(const char *base, int pattern);
    bool playSpecialSfx(int16 sfx);
 
    int16 _fanfareRestore;
    int _fanfareCount, _fluteCount;
    Audio::SoundHandle _modHandle;
    Audio::SoundHandle _patHandle;
    Audio::SoundHandle _sfxHandle;
};
 
} // End of namespace Queen
 
#endif