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 DGDS_SOUND_H
#define DGDS_SOUND_H

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

namespace Dgds {

class ResourceManager;
class Decompressor;
class DgdsMidiPlayer;

struct Channel {
    Audio::AudioStream *stream;
    Audio::SoundHandle handle;
    byte volume;
};

class Sound {
public:
    Sound(Audio::Mixer *mixer, ResourceManager *resource, Decompressor *decompressor);
    ~Sound();

    void playAmigaSfx(const Common::String &filename, byte channel, byte volume);
    void loadMusic(const Common::String &filename);
    void loadMacMusic(const Common::String &filename);
    void loadSFX(const Common::String &filename);

    void playMusic(uint num);
    void stopMusic();
    void unloadMusic();

    void playSFX(uint num);

    void stopSfx(byte channel);
    void stopAllSfx();

    bool playPCM(const byte *data, uint32 size);

    DgdsMidiPlayer *getMidiPlayer() { return _midiMusicPlayer; }

private:
    void loadPCSound(const Common::String &filename, Common::Array<uint32> &sizeArray, Common::Array<byte *> &dataArray);
    void playPCSound(uint num, const Common::Array<uint32> &sizeArray, const Common::Array<byte *> &dataArray, DgdsMidiPlayer *midiPlayer);

    struct Channel _channels[2];
    Common::SeekableReadStream *_soundData = nullptr;

    Common::Array<uint32> _musicSizes;
    Common::Array<byte *> _musicData;

    Common::Array<uint32> _sfxSizes;
    Common::Array<byte *> _sfxData;

    Audio::Mixer *_mixer;
    DgdsMidiPlayer *_midiMusicPlayer;
    DgdsMidiPlayer *_midiSoundPlayer;
    ResourceManager *_resource;
    Decompressor *_decompressor;
};

enum {
    DIGITAL_PCM   = 1 << 0,
    TRACK_ADLIB   = 1 << 1,
    TRACK_GM      = 1 << 2,
    TRACK_MT32    = 1 << 3
};

byte loadSndTrack(uint32 track, const byte** trackPtr, uint16* trackSiz, const byte *data, uint32 size);

} // End of namespace Dgds

#endif // DGDS_SOUND_H