/* 
 * OpenTyrian Classic: A modern cross-platform port of Tyrian
 * Copyright (C) 2007-2009  The OpenTyrian Development Team
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
#ifndef LDS_PLAY_H
#define LDS_PLAY_H

#include "opentyr.h"

extern bool playing, songlooped;

int lds_update( void );
bool lds_load( FILE *f, unsigned int music_offset, unsigned int music_size );
void lds_free( void );
void lds_rewind( void );

#define REFRESH 70.0f

/*unsigned int getorders() { return numposi; }
unsigned int getorder() { return posplay; }
unsigned int getrow() { return pattplay; }
unsigned int getspeed() { return speed; }
unsigned int getinstruments() { return numpatch; }*/

typedef struct {
	unsigned char mod_misc, mod_vol, mod_ad, mod_sr, mod_wave,
		car_misc, car_vol, car_ad, car_sr, car_wave, feedback, keyoff,
		portamento, glide, finetune, vibrato, vibdelay, mod_trem, car_trem,
		tremwait, arpeggio, arp_tab[12];
	unsigned short start, size;
	unsigned char fms;
	unsigned short transp;
	unsigned char midinst, midvelo, midkey, midtrans, middum1, middum2;
} SoundBank;

typedef struct {
	unsigned short gototune, lasttune, packpos;
	unsigned char finetune, glideto, portspeed, nextvol, volmod, volcar,
		vibwait, vibspeed, vibrate, trmstay, trmwait, trmspeed, trmrate, trmcount,
		trcwait, trcspeed, trcrate, trccount, arp_size, arp_speed, keycount,
		vibcount, arp_pos, arp_count, packwait, arp_tab[12];
	struct {
		unsigned char chandelay, sound;
		unsigned short high;
	} chancheat;
} Channel;

typedef struct {
	unsigned short patnum;
	unsigned char transpose;
} Position;

void lds_playsound(int inst_number, int channel_number, int tunehigh);
void lds_setregs(unsigned char reg, unsigned char val);
void lds_setregs_adv(unsigned char reg, unsigned char mask, unsigned char val);

#endif /* LDS_PLAY_H */

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