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/* ScummVM - Scumm Interpreter
* Copyright (C) 2006 The ScummVM project
* Based on code by madmoose
*
* 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.
*
* $URL$
* $Id$
*
*/
#include "common/stdafx.h"
#include "common/system.h"
#include "common/file.h"
#include "common/stream.h"
#include "sound/mods/module.h"
namespace Modules {
bool Module::load(const char *fn) {
Common::File f;
if (!f.open(fn))
return false;
int bufsz = f.size();
byte *buf = new byte[bufsz];
int r = f.read(buf, bufsz);
assert(r);
f.close();
Common::MemoryReadStream st(buf, bufsz);
bool result = loadStream(st);
delete[] buf;
return result;
}
bool Module::loadStream(Common::SeekableReadStream &st) {
st.read(songname, 20);
songname[0] = '\0';
for (int i = 0; i < 31; ++i) {
st.read(sample[i].name, 22);
sample[i].name[22] = '\0';
sample[i].len = 2 * st.readUint16BE();
sample[i].finetune = st.readByte();
assert(sample[i].finetune < 0x10);
sample[i].vol = st.readByte();
sample[i].repeat = 2 * st.readUint16BE();
sample[i].replen = 2 * st.readUint16BE();
//printf("\"%s\"\tlen: %d\tfinetune: %d\tvol: %d\trepeat: %d\treplen: %d\n",
// sample[i].name, sample[i].len, sample[i].finetune, sample[i].vol, sample[i].repeat, sample[i].replen);
}
songlen = 2 * st.readByte();
undef = 2 * st.readByte();
st.read(songpos, 128);
st.read(sig, 4); // Should be "M.K."
assert(0 == memcmp(sig, "M.K.", 4));
int maxpattern = 0;
for (int i = 0; i < 128; ++i)
if (maxpattern < songpos[i])
maxpattern = songpos[i];
pattern = new pattern_t[maxpattern + 1];
for (int i = 0; i <= maxpattern; ++i) {
for (int j = 0; j < 64; ++j) {
for (int k = 0; k < 4; ++k) {
uint32 note = st.readUint32BE();
pattern[i][j][k].sample = (note & 0xf0000000) >> 24 | (note & 0x0000f000) >> 12;
pattern[i][j][k].period = (note >> 16) & 0xfff;
pattern[i][j][k].effect = note & 0xfff;
/*
const char *notename;
switch (pattern[i][j][k].period) {
case 856: notename = "C-1"; break;
case 808: notename = "C#1"; break;
case 762: notename = "D-1"; break;
case 720: notename = "D#1"; break;
case 678: notename = "E-1"; break;
case 640: notename = "E#1"; break;
case 604: notename = "F-1"; break;
case 570: notename = "F#1"; break;
case 538: notename = "A-1"; break;
case 508: notename = "A#1"; break;
case 480: notename = "B-1"; break;
case 453: notename = "B#1"; break;
case 428: notename = "C-2"; break;
case 404: notename = "C#2"; break;
case 381: notename = "D-2"; break;
case 360: notename = "D#2"; break;
case 339: notename = "E-2"; break;
case 320: notename = "E#2"; break;
case 302: notename = "F-2"; break;
case 285: notename = "F#2"; break;
case 269: notename = "A-2"; break;
case 254: notename = "A#2"; break;
case 240: notename = "B-2"; break;
case 226: notename = "B#2"; break;
case 214: notename = "C-3"; break;
case 202: notename = "C#3"; break;
case 190: notename = "D-3"; break;
case 180: notename = "D#3"; break;
case 170: notename = "E-3"; break;
case 160: notename = "E#3"; break;
case 151: notename = "F-3"; break;
case 143: notename = "F#3"; break;
case 135: notename = "A-3"; break;
case 127: notename = "A#3"; break;
case 120: notename = "B-3"; break;
case 113: notename = "B#3"; break;
case 0: notename = " "; break;
default: notename = "???"; break;
}
if (k > 0) printf(" | ");
if (pattern[i][j][k].sample)
printf("%2d %s %3X", pattern[i][j][k].sample, notename, pattern[i][j][k].effect);
else
printf(" %s %3X", notename, pattern[i][j][k].effect);
*/
}
//printf("\n");
}
}
for (int i = 0; i < 31; ++i) {
if (!sample[i].len)
sample[i].data = 0;
else {
sample[i].data = new byte[sample[i].len];
st.read((byte *)sample[i].data, sample[i].len);
}
}
assert(st.eos());
return true;
}
Module::Module() {
pattern = 0;
for (int i = 0; i < 31; ++i) {
sample[i].data = 0;
}
}
Module::~Module() {
delete[] pattern;
for (int i = 0; i < 31; ++i) {
delete[] sample[i].data;
}
}
} // End of namespace Modules
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