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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 "sound/mods/module.h"
#include "common/util.h"
namespace Modules {
bool Module::load(Common::ReadStream &st) {
st.read(songname, 20);
songname[20] = '\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();
}
songlen = 2 * st.readByte();
undef = 2 * st.readByte();
st.read(songpos, 128);
st.read(sig, 4);
if (memcmp(sig, "M.K.", 4)) {
warning("Expected 'M.K.' in protracker module");
return false;
}
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;
}
}
}
for (int i = 0; i < 31; ++i) {
if (!sample[i].len)
sample[i].data = 0;
else {
sample[i].data = new int8[sample[i].len];
st.read((byte *)sample[i].data, sample[i].len);
}
}
if (!st.eos())
warning("Expected EOS on module stream");
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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