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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#include "lilliput/lilliput.h"
#include "lilliput/sound.h"
#include "common/debug.h"
namespace Lilliput {
LilliputSound::LilliputSound(LilliputEngine *vm) : _vm(vm) {
_unpackedFiles = nullptr;
_unpackedSizes = nullptr;
}
LilliputSound::~LilliputSound() {
if (_unpackedFiles) {
for (int i = 0; i < _fileNumb; i++)
free(_unpackedFiles[i]);
}
free(_unpackedFiles);
free(_unpackedSizes);
}
byte LilliputSound::readByte(const byte *data, uint32 offset) {
uint16 al = data[0x201 + (offset >> 1)];
return data[1 + (offset & 1) + (al << 1)];
}
uint32 LilliputSound::decode(const byte *src, byte *dst, uint32 len, uint32 start) {
uint32 i = start;
for (; i < len; ++i) {
*dst++ = readByte(src, i);
}
return i;
}
void LilliputSound::loadMusic(Common::String filename) {
debugC(1, kDebugSound, "loadMusic(%s)", filename.c_str());
Common::File f;
if (!f.open(filename))
error("Missing music file %s", filename.c_str());
_fileNumb = f.readUint16LE();
int *fileSizes = new int[_fileNumb + 1];
for (int i = 0; i < _fileNumb; ++i)
fileSizes[i] = f.readUint16LE();
f.seek(0, SEEK_END);
fileSizes[_fileNumb] = f.pos();
_unpackedFiles = new byte *[_fileNumb];
_unpackedSizes = new uint16[_fileNumb];
int pos = (_fileNumb + 1) * 2; // file number + file sizes
for (int i = 0; i < _fileNumb; ++i) {
int packedSize = fileSizes[i + 1] - fileSizes[i];
byte *srcBuf = new byte[packedSize];
f.seek(pos, SEEK_SET);
f.read(srcBuf, packedSize);
if (srcBuf[0] == 'c' || srcBuf[0] == 'C') {
int shift = (srcBuf[0] == 'c') ? 1 : 0;
_unpackedSizes[i] = (1 + packedSize - 0x201) * 2 - shift;
byte *dstBuf = new byte[_unpackedSizes[i]];
decode(srcBuf, dstBuf, _unpackedSizes[i], shift);
_unpackedFiles[i] = dstBuf;
} else {
_unpackedSizes[i] = packedSize;
byte *dstBuf = new byte[packedSize];
for (int j = 0; j < packedSize; ++j)
dstBuf[j] = srcBuf[j];
_unpackedFiles[i] = dstBuf;
}
delete srcBuf;
pos += packedSize;
}
delete fileSizes;
f.close();
// Debug code
for (int i = 0; i < _fileNumb; ++i) {
Common::DumpFile dmp;
Common::String name = Common::String::format("dmp%d.mid", i);
dmp.open(name);
dmp.write(_unpackedFiles[i], _unpackedSizes[i]);
dmp.close();
}
//
}
// Used during initialization
void LilliputSound::init() {
debugC(1, kDebugSound, "LilliputSound::init()");
loadMusic("ROBIN.MUS");
}
void LilliputSound::refresh() {
debugC(1, kDebugSound, "LilliputSound::refresh()");
}
void LilliputSound::play(int var1, Common::Point var2, Common::Point var3, Common::Point var4) {
debugC(1, kDebugSound, "LilliputSound::play(%d, %d - %d, %d - %d, %d - %d)", var1, var2.x, var2.y, var3.x, var3.y, var4.x, var4.y);
}
void LilliputSound::stop(Common::Point pos) {
debugC(1, kDebugSound, "LilliputSound::stop(%d - %d)", pos.x, pos.y);
}
void LilliputSound::toggleOnOff() {
debugC(1, kDebugSound, "LilliputSound::toggleOnOff()");
}
void LilliputSound::update() {
debugC(1, kDebugSound, "LilliputSound::update()");
}
void LilliputSound::remove() {
debugC(1, kDebugSound, "Lilliput::remove()");
}
} // End of namespace
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