/* 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/>.
 *
 */

#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 Std::string &filename, const CFileProvider &fp);
	bool update() override;
	void rewind(int subsong) override;
	float getrefresh() override;

	Std::string gettype() override;
	Std::string gettitle() override {
		return Std::string(title);
	}
	Std::string getauthor() override {
		return Std::string(author);
	}
	Std::string getdesc() override {
		return Std::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