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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2004 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#include "stdafx.h"
#include "common/scummsys.h"
#include "scumm/scumm.h"
#include "scumm/imuse_digi/dimuse_bndmgr.h"
namespace Scumm {
BundleDirCache::BundleDirCache() {
for (int fileId = 0; fileId < ARRAYSIZE(_budleDirCache); fileId++) {
_budleDirCache[fileId].bundleTable = NULL;
_budleDirCache[fileId].fileName[0] = 0;
_budleDirCache[fileId].numFiles = 0;
}
}
BundleDirCache::~BundleDirCache() {
for (int fileId = 0; fileId < ARRAYSIZE(_budleDirCache); fileId++) {
if (_budleDirCache[fileId].bundleTable != NULL)
free (_budleDirCache[fileId].bundleTable);
}
}
BundleDirCache::AudioTable *BundleDirCache::getTable(const char *filename) {
int slot = matchFile(filename);
assert(slot != -1);
return _budleDirCache[slot].bundleTable;
}
int32 BundleDirCache::getNumFiles(const char *filename) {
int slot = matchFile(filename);
assert(slot != -1);
return _budleDirCache[slot].numFiles;
}
int BundleDirCache::matchFile(const char *filename) {
int32 tag, offset;
bool found = false;
int freeSlot = -1;
int fileId;
for (fileId = 0; fileId < ARRAYSIZE(_budleDirCache); fileId++) {
if ((_budleDirCache[fileId].bundleTable == NULL) && (freeSlot == -1)) {
freeSlot = fileId;
}
if (scumm_stricmp(filename, _budleDirCache[fileId].fileName) == 0) {
found = true;
break;
}
}
if (!found) {
File file;
if (file.open(filename) == false) {
warning("BundleDirCache::matchFile() Can't open bundle file: %s", filename);
return false;
}
if (freeSlot == -1)
error("BundleDirCache::matchFileFile() Can't find free slot for file bundle dir cache");
tag = file.readUint32BE();
offset = file.readUint32BE();
strcpy(_budleDirCache[freeSlot].fileName, filename);
_budleDirCache[freeSlot].numFiles = file.readUint32BE();
_budleDirCache[freeSlot].bundleTable = (AudioTable *) malloc(_budleDirCache[freeSlot].numFiles * sizeof(AudioTable));
file.seek(offset, SEEK_SET);
for (int32 i = 0; i < _budleDirCache[freeSlot].numFiles; i++) {
char name[13], c;
int32 z = 0;
int32 z2;
for (z2 = 0; z2 < 8; z2++)
if ((c = file.readByte()) != 0)
name[z++] = c;
name[z++] = '.';
for (z2 = 0; z2 < 4; z2++)
if ((c = file.readByte()) != 0)
name[z++] = c;
name[z] = '\0';
strcpy(_budleDirCache[freeSlot].bundleTable[i].filename, name);
_budleDirCache[freeSlot].bundleTable[i].offset = file.readUint32BE();
file.seek(4, SEEK_CUR);
}
return freeSlot;
} else {
return fileId;
}
}
BundleMgr::BundleMgr(BundleDirCache *cache) {
_cache = cache;
_bundleTable = NULL;
_compTable = NULL;
_numFiles = 0;
_numCompItems = 0;
_curSample = -1;
_fileBundleId = -1;
_compInput = NULL;
}
BundleMgr::~BundleMgr() {
closeFile();
}
bool BundleMgr::openFile(const char *filename) {
if (_file.isOpen())
return true;
if (_file.open(filename) == false) {
warning("BundleMgr::openFile() Can't open bundle file: %s", filename);
return false;
}
_numFiles = _cache->getNumFiles(filename);
assert(_numFiles);
_bundleTable = _cache->getTable(filename);
assert(_bundleTable);
_compTableLoaded = false;
_outputSize = 0;
_lastBlock = -1;
return true;
}
void BundleMgr::closeFile() {
if (_file.isOpen()) {
_file.close();
_bundleTable = NULL;
_numFiles = 0;
_numCompItems = 0;
_compTableLoaded = false;
_lastBlock = -1;
_outputSize = 0;
_curSample = -1;
free(_compTable);
_compTable = NULL;
if (_compInput) {
free(_compInput);
_compInput = NULL;
}
}
}
int32 BundleMgr::decompressSampleByCurIndex(int32 offset, int32 size, byte **comp_final, int header_size, bool header_outside) {
return decompressSampleByIndex(_curSample, offset, size, comp_final, header_size, header_outside);
}
int32 BundleMgr::decompressSampleByIndex(int32 index, int32 offset, int32 size, byte **comp_final, int header_size, bool header_outside) {
int32 i, tag, num, final_size, output_size;
int skip, first_block, last_block;
if (index != -1)
_curSample = index;
if (_file.isOpen() == false) {
warning("BundleMgr::decompressSampleByIndex() File is not open!");
return 0;
}
if (!_compTableLoaded) {
_file.seek(_bundleTable[index].offset, SEEK_SET);
tag = _file.readUint32BE();
_numCompItems = num = _file.readUint32BE();
_file.seek(8, SEEK_CUR);
if (tag != MKID_BE('COMP')) {
warning("BundleMgr::decompressSampleByIndex() Compressed sound %d invalid (%s)", index, tag2str(tag));
return 0;
}
_compTable = (CompTable *)malloc(sizeof(CompTable) * num);
int32 maxSize = 0;
for (i = 0; i < num; i++) {
_compTable[i].offset = _file.readUint32BE();
_compTable[i].size = _file.readUint32BE();
_compTable[i].codec = _file.readUint32BE();
_file.seek(4, SEEK_CUR);
if (_compTable[i].size > maxSize)
maxSize = _compTable[i].size;
}
// CMI hack: one more byte at the end of input buffer
_compInput = (byte *)malloc(maxSize + 1);
_compTableLoaded = true;
}
first_block = (offset + header_size) / 0x2000;
last_block = (offset + size + header_size - 1) / 0x2000;
// case when (offset + size + header_size - 1) is more one byte after sound resource
if ((last_block >= _numCompItems) && (_numCompItems > 0))
last_block = _numCompItems - 1;
int32 blocks_final_size = 0x2000 * (1 + last_block - first_block);
*comp_final = (byte *)malloc(blocks_final_size);
final_size = 0;
skip = offset - (first_block * 0x2000) + header_size;
for (i = first_block; i <= last_block; i++) {
if (_lastBlock != i) {
// CMI hack: one more zero byte at the end of input buffer
_compInput[_compTable[i].size] = 0;
_file.seek(_bundleTable[index].offset + _compTable[i].offset, SEEK_SET);
_file.read(_compInput, _compTable[i].size);
_outputSize = BundleCodecs::decompressCodec(_compTable[i].codec, _compInput, _compOutput, _compTable[i].size);
_lastBlock = i;
}
output_size = _outputSize;
if (header_outside) {
output_size -= skip;
} else {
if ((header_size != 0) && (skip >= header_size))
output_size -= skip;
}
if (output_size > size)
output_size = size;
assert(final_size + output_size <= blocks_final_size);
memcpy(*comp_final + final_size, _compOutput + skip, output_size);
final_size += output_size;
size -= output_size;
assert(size >= 0);
if (size == 0)
break;
skip = 0;
}
return final_size;
}
int32 BundleMgr::decompressSampleByName(const char *name, int32 offset, int32 size, byte **comp_final, bool header_outside) {
int32 final_size = 0, i;
if (!_file.isOpen()) {
warning("BundleMgr::decompressSampleByName() File is not open!");
return 0;
}
for (i = 0; i < _numFiles; i++) {
if (!scumm_stricmp(name, _bundleTable[i].filename)) {
final_size = decompressSampleByIndex(i, offset, size, comp_final, 0, header_outside);
return final_size;
}
}
debug(2, "BundleMgr::decompressSampleByName() Failed finding voice %s", name);
return final_size;
}
} // End of namespace Scumm
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