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 SKY_SOUND_H
#define SKY_SOUND_H


#include "common/scummsys.h"
#include "audio/mixer.h"

namespace Sky {

class Disk;

enum {
    SOUND_CH0    = 0,
    SOUND_CH1    = 1,
    SOUND_BG     = 2,
    SOUND_VOICE  = 3,
    SOUND_SPEECH = 4
};

struct SfxQueue {
    uint8 count, fxNo, chan, vol;
};

#define MAX_QUEUED_FX 4

class Sound {
protected:

public:

    Audio::Mixer *_mixer;
    Audio::SoundHandle _voiceHandle;
    Audio::SoundHandle _effectHandle;
    Audio::SoundHandle _bgSoundHandle;
    Audio::SoundHandle _ingameSound0, _ingameSound1, _ingameSpeech;

    uint16 _saveSounds[2];

protected:

    void playSound(uint32 id, byte *sound, uint32 size, Audio::SoundHandle *handle);

public:
    Sound(Audio::Mixer *mixer, Disk *pDisk, uint8 pVolume);
    ~Sound();

    void loadSection(uint8 pSection);
    void playSound(uint16 sound, uint16 volume, uint8 channel);
    void fnStartFx(uint32 sound, uint8 channel);
    bool startSpeech(uint16 textNum);
    bool speechFinished() { return !_mixer->isSoundHandleActive(_ingameSpeech); }
    void fnPauseFx();
    void fnUnPauseFx();
    void fnStopFx();
    void stopSpeech();
    void checkFxQueue();
    void restoreSfx();
    uint8 _soundsTotal;

private:
    Disk *_skyDisk;
    uint16 _sfxBaseOfs;
    uint8 *_soundData;
    uint8 *_sampleRates, *_sfxInfo;
    uint8 _mainSfxVolume;

    bool _isPaused;

    static uint16 _speechConvertTable[8];
    static SfxQueue _sfxQueue[MAX_QUEUED_FX];
};

} // End of namespace Sky

#endif