music.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_MUSIC_H
#define SHERLOCK_MUSIC_H

#include "audio/midiparser.h"
#include "audio/mididrv.h"
// for 3DO digital music
#include "audio/mixer.h"
#include "common/mutex.h"
#include "common/str-array.h"

namespace Sherlock {

class SherlockEngine;

class MidiParser_SH : public MidiParser {
public:
    MidiParser_SH();
    ~MidiParser_SH() override;

protected:
    Common::Mutex _mutex;
    void parseNextEvent(EventInfo &info) override;

    uint8 _beats;
    uint8 _lastEvent;
    byte *_data;
    byte *_trackEnd;

public:
    bool loadMusic(byte *musData, uint32 musSize) override;
    void unloadMusic() override;

private:
    byte  *_musData;
    uint32 _musDataSize;
};

class Music {
private:
    SherlockEngine *_vm;
    Audio::Mixer *_mixer;
    MidiParser *_midiParser;
    MidiDriver *_midiDriver;
    Audio::SoundHandle _digitalMusicHandle;
    MusicType _musicType;
    byte *_midiMusicData;

    bool playMusic(const Common::String &name);
public:
    bool _musicPlaying;
    bool _musicOn;
    int _musicVolume;
    bool _midiOption;
    Common::String _currentSongName, _nextSongName;
public:
    Music(SherlockEngine *vm, Audio::Mixer *mixer);
    ~Music();

    void syncMusicSettings();

    bool loadSong(int songNumber);

    bool loadSong(const Common::String &songName);

    void startSong();

    void freeSong();

    void stopMusic();

    bool isPlaying();
    uint32 getCurrentPosition();

    bool waitUntilMSec(uint32 msecTarget, uint32 maxMSec, uint32 additionalDelay, uint32 noMusicDelay);

    void setMusicVolume(int volume);

    void getSongNames(Common::StringArray &songs);

    void checkSongProgress();
};

} // End of namespace Sherlock

#endif