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/*
* Adplug - Replayer for many OPL2/OPL3 audio file formats.
* Copyright (C) 1999 - 2007 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
*
* rad.cpp - RAD Loader by Simon Peter <dn.tlp@gmx.net>
*
* BUGS:
* some volumes are dropped out
*/
#include <string.h>
#include "rad.h"
CPlayer *CradLoader::factory(Copl *newopl)
{
return new CradLoader(newopl);
}
bool CradLoader::load(const char *filename, const CFileProvider &fp)
{
binistream *f = fp.open(filename); if(!f) return false;
char id[16];
unsigned char buf,ch,c,b,inp;
char bufstr[2] = "\0";
unsigned int i,j;
unsigned short patofs[32];
const unsigned char convfx[16] = {255,1,2,3,255,5,255,255,255,255,20,255,17,0xd,255,19};
// file validation section
f->readString(id, 16); version = f->readInt(1);
if(strncmp(id,"RAD by REALiTY!!",16) || version != 0x10)
{ fp.close(f); return false; }
// load section
radflags = f->readInt(1);
if(radflags & 128) { // description
memset(desc,0,80*22);
while((buf = f->readInt(1)))
if(buf == 1)
strcat(desc,"\n");
else
if(buf >= 2 && buf <= 0x1f)
for(i=0;i<buf;i++)
strcat(desc," ");
else {
*bufstr = buf;
strcat(desc,bufstr);
}
}
while((buf = f->readInt(1))) { // instruments
buf--;
inst[buf].data[2] = f->readInt(1); inst[buf].data[1] = f->readInt(1);
inst[buf].data[10] = f->readInt(1); inst[buf].data[9] = f->readInt(1);
inst[buf].data[4] = f->readInt(1); inst[buf].data[3] = f->readInt(1);
inst[buf].data[6] = f->readInt(1); inst[buf].data[5] = f->readInt(1);
inst[buf].data[0] = f->readInt(1);
inst[buf].data[8] = f->readInt(1); inst[buf].data[7] = f->readInt(1);
}
length = f->readInt(1);
for(i = 0; i < length; i++) order[i] = f->readInt(1); // orderlist
for(i = 0; i < 32; i++) patofs[i] = f->readInt(2); // pattern offset table
init_trackord(); // patterns
for(i=0;i<32;i++)
if(patofs[i]) {
f->seek(patofs[i]);
do {
buf = f->readInt(1); b = buf & 127;
do {
ch = f->readInt(1); c = ch & 127;
inp = f->readInt(1);
tracks[i*9+c][b].note = inp & 127;
tracks[i*9+c][b].inst = (inp & 128) >> 3;
inp = f->readInt(1);
tracks[i*9+c][b].inst += inp >> 4;
tracks[i*9+c][b].command = inp & 15;
if(inp & 15) {
inp = f->readInt(1);
tracks[i*9+c][b].param1 = inp / 10;
tracks[i*9+c][b].param2 = inp % 10;
}
} while(!(ch & 128));
} while(!(buf & 128));
} else
memset(trackord[i],0,9*2);
fp.close(f);
// convert replay data
for(i=0;i<32*9;i++) // convert patterns
for(j=0;j<64;j++) {
if(tracks[i][j].note == 15)
tracks[i][j].note = 127;
if(tracks[i][j].note > 16 && tracks[i][j].note < 127)
tracks[i][j].note -= 4 * (tracks[i][j].note >> 4);
if(tracks[i][j].note && tracks[i][j].note < 126)
tracks[i][j].note++;
tracks[i][j].command = convfx[tracks[i][j].command];
}
restartpos = 0; initspeed = radflags & 31;
bpm = radflags & 64 ? 0 : 50; flags = Decimal;
rewind(0);
return true;
}
float CradLoader::getrefresh()
{
if(tempo)
return (float) (tempo);
else
return 18.2f;
}
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