music_room_instrument.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 TITANIC_MUSIC_ROOM_INSTRUMENT_H
#define TITANIC_MUSIC_ROOM_INSTRUMENT_H

#include "common/array.h"
#include "titanic/support/string.h"

namespace Titanic {

enum MusicWaveInstrument { MV_PIANO = 0, MV_BASS = 1, MV_BELLS = 2, MV_SNAKE = 3 };

class CProjectItem;
class CSoundManager;
class CWaveFile;
class CGameObject;

class CMusicRoomInstrument {
    struct CInstrumentWaveFile {
        CWaveFile *_waveFile;
        int _value;
        CInstrumentWaveFile() : _waveFile(nullptr), _value(0) {}
    };
private:
    static bool _pianoToggle;
    static int _pianoCtr;
    static int _bassCtr;
    static byte *_buffer;
    static double *_array;
    static int _arrayIndex;
private:
    CSoundManager *_soundManager;
    Common::Array<CInstrumentWaveFile> _items;
    MusicWaveInstrument _instrument;
    CProjectItem *_project;
    CGameObject *_gameObjects[4];
    int _waveIndex;
    int _readPos;
    int _readIncrement;
    uint _size;
    uint _count;
    int _field4C;
private:
    CWaveFile *createWaveFile(const CString &name);

    void setupArray(int minVal, int maxVal);
public:
    double _insStartTime;
public:
    static void init();

    static void deinit();
public:
    CMusicRoomInstrument(CProjectItem *project, CSoundManager *soundManager, MusicWaveInstrument instrument);

    void setFilesCount(uint count);

    void load(int index, const CString &filename, int v3);


    void start();

    void stop();

    void update(int val);

    void clear();

    void reset(uint total);

    int read(int16 *ptr, uint size);

    void chooseWaveFile(int index, int freq);
};

} // End of namespace Titanic

#endif /* TITANIC_MUSIC_ROOM_INSTRUMENT_H */