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 SHERLOCK_SOUND_H
#define SHERLOCK_SOUND_H
 
#include "common/scummsys.h"
#include "common/str.h"
#include "audio/mixer.h"
#include "access/files.h"
 
namespace Sherlock {
 
class SherlockEngine;
 
enum WaitType {
    WAIT_RETURN_IMMEDIATELY = 0, WAIT_FINISH = 1, WAIT_KBD_OR_FINISH = 2
};
 
#define MAX_MIXER_CHANNELS 10
 
class Sound {
private:
    SherlockEngine *_vm;
    Audio::Mixer *_mixer;
    Audio::SoundHandle _scalpelEffectsHandle;
    Audio::SoundHandle _aiffHandle;
    Audio::SoundHandle _tattooEffectsHandle[MAX_MIXER_CHANNELS];
    Audio::SoundHandle _speechHandle;
    int _curPriority;
 
    byte decodeSample(byte sample, byte& reference, int16& scale);
 
    bool playSoundResource(const Common::Path &name, const Common::Path &libFilename,
        Audio::Mixer::SoundType soundType, Audio::SoundHandle &handle);
 
    Common::Path formFilename(const Common::Path &name);
public:
    bool _digitized;
    int _voices;
    bool _soundOn;
    bool _speechOn;
    bool _soundPlaying;
    bool _speechPlaying;
    int _soundVolume;
 
    Common::String _talkSoundFile;
public:
    Sound(SherlockEngine *vm, Audio::Mixer *mixer);
 
    void syncSoundSettings();
 
    void loadSound(const Common::Path &name, int priority);
 
    bool playSound(const Common::Path &name, WaitType waitType, int priority = 100, const Common::Path &libraryFilename = Common::Path());
 
    void playAiff(const Common::Path &name, int volume = Audio::Mixer::kMaxChannelVolume, bool loop = false);
 
    void stopAiff();
 
    void playLoadedSound(int bufNum, WaitType waitType);
 
    void freeLoadedSounds();
 
    void stopSound();
 
    void freeDigiSound();
 
    Audio::SoundHandle &getFreeSoundHandle();
 
    void setVolume(int volume);
 
    void playSpeech(const Common::Path &name);
 
    void stopSpeech();
 
    bool isSpeechPlaying();
};
 
} // End of namespace Sherlock
 
#endif