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/*
Adplug - Replayer for many OPL2/OPL3 audio file formats.
Copyright (C) 1999 - 2003 Simon Peter, <dn.tlp@gmx.net>, et al.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
mad.cpp - MAD loader by Riven the Mage <riven@ok.ru>
*/
#include <string.h>
#include "mad.h"
/* -------- Public Methods -------------------------------- */
CPlayer *CmadLoader::factory(Copl *newopl)
{
return new CmadLoader(newopl);
}
bool CmadLoader::load(const char *filename, const CFileProvider &fp)
{
binistream *f = fp.open(filename); if(!f) return false;
const unsigned char conv_inst[10] = { 2,1,10,9,4,3,6,5,8,7 };
unsigned int i, j, k, t = 0;
// 'MAD+' - signed ?
char id[4]; f->readString(id, 4);
if (strncmp(id,"MAD+",4)) { fp.close(f); return false; }
// load instruments
for(i = 0; i < 9; i++) {
f->readString(instruments[i].name, 8);
for(j = 0; j < 12; j++) instruments[i].data[j] = f->readInt(1);
}
f->ignore(1);
// data for Protracker
length = f->readInt(1); nop = f->readInt(1); timer = f->readInt(1);
// init CmodPlayer
realloc_instruments(9);
realloc_order(length);
realloc_patterns(nop,32,9);
init_trackord();
// load tracks
for(i = 0; i < nop; i++)
for(k = 0; k < 32; k++)
for(j = 0; j < 9; j++) {
t = i * 9 + j;
// read event
unsigned char event = f->readInt(1);
// convert event
if (event < 0x61)
tracks[t][k].note = event;
if (event == 0xFF) // 0xFF: Release note
tracks[t][k].command = 8;
if (event == 0xFE) // 0xFE: Pattern Break
tracks[t][k].command = 13;
}
// load order
for(i = 0; i < length; i++) order[i] = f->readInt(1) - 1;
fp.close(f);
// convert instruments
for(i = 0; i < 9; i++)
for(j = 0; j < 10; j++)
inst[i].data[conv_inst[j]] = instruments[i].data[j];
// data for Protracker
restartpos = 0;
initspeed = 1;
rewind(0);
return true;
}
void CmadLoader::rewind(int subsong)
{
CmodPlayer::rewind(subsong);
// default instruments
for (int i=0;i<9;i++)
{
channel[i].inst = i;
channel[i].vol1 = 63 - (inst[i].data[10] & 63);
channel[i].vol2 = 63 - (inst[i].data[9] & 63);
}
}
float CmadLoader::getrefresh()
{
return (float)timer;
}
const char * CmadLoader::gettype()
{
return "Mlat Adlib Tracker";
}
const char * CmadLoader::getinstrument(unsigned int n)
{
return instruments[n].name;
}
unsigned int CmadLoader::getinstruments()
{
return 9;
}
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