mid.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 ULTIMA_MID_H
#define ULTIMA_MID_H

#include "ultima/nuvie/sound/adplug/adplug_player.h"

namespace Ultima {
namespace Nuvie {

class OriginFXAdLibDriver;

class CmidPlayer: public CPlayer {
public:
    static CPlayer *factory(Copl *newopl);

    CmidPlayer(Copl *newopl);
    ~CmidPlayer() override;

    bool load(const Common::Path &filename) override;
    bool load(const Common::Path &filename, int song_index);
    //bool load(const Common::String &filename, const CFileProvider &fp);
    bool update() override;
    void rewind(int subsong) override;
    float getrefresh() override;

    Common::String gettype() override;
    Common::String gettitle() override {
        return Common::String(title);
    }
    Common::String getauthor() override {
        return Common::String(author);
    }
    Common::String getdesc() override {
        return Common::String(remarks);
    }
    unsigned int getinstruments() override {
        return tins;
    }
    unsigned int getsubsongs() override {
        return subsongs;
    }

protected:
    static const unsigned char adlib_opadd[];
    static const int ops[], map_chan[], fnums[], percussion_map[];

    struct midi_track {
        unsigned long tend;
        unsigned long spos;
        unsigned long pos;
        unsigned long iwait;
        int on;
        unsigned char pv;
    };

    char *author, *title, *remarks, emptystr;
    long flen;
    unsigned long pos;

    int subsongs;
    unsigned char *data;


    int adlib_style;
    int adlib_mode;

    int chp[18][3];

    long deltas;
    long msqtr;

    midi_track track[16];
    unsigned int curtrack;
    unsigned int track_count;

    float fwait;
    unsigned long iwait;
    int doing;

    int type, tins, stins;

    OriginFXAdLibDriver *origin_fx_driver;

private:

    void load_ultima_midi_tracks();
    void midiprintf(const char *format, ...);
    unsigned char datalook(long pos);
    unsigned long getnexti(unsigned long num);
    unsigned long getnext(unsigned long num);
    unsigned long getval();

public:
    void interrupt_vector();
};

} // End of namespace Nuvie
} // End of namespace Ultima

#endif // ULTIMA_MID_H