myst_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 MOHAWK_MYST_SOUND_H
#define MOHAWK_MYST_SOUND_H

#include "common/scummsys.h"
#include "common/str.h"

#include "audio/mixer.h"

namespace Audio {
class RewindableAudioStream;
}

namespace Mohawk {

struct CueList;
class MohawkEngine_Myst;

class MystSound {
public:
    explicit MystSound(MohawkEngine_Myst *vm);
    ~MystSound();

    // Effect channel
    void playEffect(uint16 id, bool loop = false);
    void stopEffect();
    bool isEffectPlaying();

    // Background channel
    void playBackground(uint16 id, uint16 volume = 0xFFFF);
    void pauseBackground();
    void resumeBackground();
    void stopBackground();
    void changeBackgroundVolume(uint16 volume);

    // Speech channel
    void playSpeech(uint16 id, CueList *cueList = nullptr);
    bool isSpeechPlaying();
    uint getSpeechNumSamplesPlayed();
    void stopSpeech();

private:
    MohawkEngine_Myst *_vm;

    Audio::RewindableAudioStream *makeAudioStream(uint16 id, CueList *cueList = nullptr);
    uint16 convertMystID(uint16 id);

    Audio::SoundHandle _effectHandle;
    int _speechSamplesPerSecond;
    uint16 _effectId;

    Audio::SoundHandle _backgroundHandle;
    uint16 _backgroundId;

    Audio::SoundHandle _speechHandle;
};

} // End of namespace Mohawk

#endif