mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-30 14:14:43 +00:00
356 lines
10 KiB
C++
356 lines
10 KiB
C++
/* 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.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*/
|
|
|
|
|
|
#include "common/scummsys.h"
|
|
#include "scumm/scumm.h"
|
|
#include "scumm/util.h"
|
|
#include "scumm/file.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;
|
|
_budleDirCache[fileId].isCompressed = false;
|
|
_budleDirCache[fileId].indexTable = NULL;
|
|
}
|
|
}
|
|
|
|
BundleDirCache::~BundleDirCache() {
|
|
for (int fileId = 0; fileId < ARRAYSIZE(_budleDirCache); fileId++) {
|
|
free(_budleDirCache[fileId].bundleTable);
|
|
free(_budleDirCache[fileId].indexTable);
|
|
}
|
|
}
|
|
|
|
BundleDirCache::AudioTable *BundleDirCache::getTable(int slot) {
|
|
return _budleDirCache[slot].bundleTable;
|
|
}
|
|
|
|
int32 BundleDirCache::getNumFiles(int slot) {
|
|
return _budleDirCache[slot].numFiles;
|
|
}
|
|
|
|
BundleDirCache::IndexNode *BundleDirCache::getIndexTable(int slot) {
|
|
return _budleDirCache[slot].indexTable;
|
|
}
|
|
|
|
bool BundleDirCache::isSndDataExtComp(int slot) {
|
|
return _budleDirCache[slot].isCompressed;
|
|
}
|
|
|
|
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) {
|
|
ScummFile file;
|
|
|
|
if (g_scumm->openFile(file, filename) == false) {
|
|
error("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();
|
|
if (tag == MKID_BE('LB23'))
|
|
_budleDirCache[freeSlot].isCompressed = true;
|
|
offset = file.readUint32BE();
|
|
|
|
strcpy(_budleDirCache[freeSlot].fileName, filename);
|
|
_budleDirCache[freeSlot].numFiles = file.readUint32BE();
|
|
_budleDirCache[freeSlot].bundleTable = (AudioTable *)malloc(_budleDirCache[freeSlot].numFiles * sizeof(AudioTable));
|
|
assert(_budleDirCache[freeSlot].bundleTable);
|
|
|
|
file.seek(offset, SEEK_SET);
|
|
|
|
_budleDirCache[freeSlot].indexTable =
|
|
(IndexNode *)calloc(_budleDirCache[freeSlot].numFiles, sizeof(IndexNode));
|
|
assert(_budleDirCache[freeSlot].indexTable);
|
|
|
|
for (int32 i = 0; i < _budleDirCache[freeSlot].numFiles; i++) {
|
|
char name[24], c;
|
|
int32 z = 0;
|
|
int32 z2;
|
|
|
|
if (tag == MKID_BE('LB23')) {
|
|
file.read(_budleDirCache[freeSlot].bundleTable[i].filename, 24);
|
|
} else {
|
|
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();
|
|
_budleDirCache[freeSlot].bundleTable[i].size = file.readUint32BE();
|
|
strcpy(_budleDirCache[freeSlot].indexTable[i].filename,
|
|
_budleDirCache[freeSlot].bundleTable[i].filename);
|
|
_budleDirCache[freeSlot].indexTable[i].index = i;
|
|
}
|
|
qsort(_budleDirCache[freeSlot].indexTable, _budleDirCache[freeSlot].numFiles,
|
|
sizeof(IndexNode), (int (*)(const void*, const void*))scumm_stricmp);
|
|
return freeSlot;
|
|
} else {
|
|
return fileId;
|
|
}
|
|
}
|
|
|
|
BundleMgr::BundleMgr(BundleDirCache *cache) {
|
|
_cache = cache;
|
|
_bundleTable = NULL;
|
|
_compTable = NULL;
|
|
_numFiles = 0;
|
|
_numCompItems = 0;
|
|
_curSampleId = -1;
|
|
_fileBundleId = -1;
|
|
_file = new ScummFile();
|
|
_compInputBuff = NULL;
|
|
}
|
|
|
|
BundleMgr::~BundleMgr() {
|
|
close();
|
|
delete _file;
|
|
}
|
|
|
|
Common::File *BundleMgr::getFile(const char *filename, int32 &offset, int32 &size) {
|
|
BundleDirCache::IndexNode target;
|
|
strcpy(target.filename, filename);
|
|
BundleDirCache::IndexNode *found = (BundleDirCache::IndexNode *)bsearch(&target, _indexTable, _numFiles,
|
|
sizeof(BundleDirCache::IndexNode), (int (*)(const void*, const void*))scumm_stricmp);
|
|
if (found) {
|
|
_file->seek(_bundleTable[found->index].offset, SEEK_SET);
|
|
offset = _bundleTable[found->index].offset;
|
|
size = _bundleTable[found->index].size;
|
|
return _file;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
bool BundleMgr::open(const char *filename, bool &compressed, bool errorFlag) {
|
|
if (_file->isOpen())
|
|
return true;
|
|
|
|
if (g_scumm->openFile(*_file, filename) == false) {
|
|
if (errorFlag) {
|
|
error("BundleMgr::open() Can't open bundle file: %s", filename);
|
|
} else {
|
|
warning("BundleMgr::open() Can't open bundle file: %s", filename);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int slot = _cache->matchFile(filename);
|
|
assert(slot != -1);
|
|
compressed = _cache->isSndDataExtComp(slot);
|
|
_numFiles = _cache->getNumFiles(slot);
|
|
assert(_numFiles);
|
|
_bundleTable = _cache->getTable(slot);
|
|
_indexTable = _cache->getIndexTable(slot);
|
|
assert(_bundleTable);
|
|
_compTableLoaded = false;
|
|
_outputSize = 0;
|
|
_lastBlock = -1;
|
|
|
|
return true;
|
|
}
|
|
|
|
void BundleMgr::close() {
|
|
if (_file->isOpen()) {
|
|
_file->close();
|
|
_bundleTable = NULL;
|
|
_numFiles = 0;
|
|
_numCompItems = 0;
|
|
_compTableLoaded = false;
|
|
_lastBlock = -1;
|
|
_outputSize = 0;
|
|
_curSampleId = -1;
|
|
free(_compTable);
|
|
_compTable = NULL;
|
|
free(_compInputBuff);
|
|
_compInputBuff = NULL;
|
|
}
|
|
}
|
|
|
|
bool BundleMgr::loadCompTable(int32 index) {
|
|
_file->seek(_bundleTable[index].offset, SEEK_SET);
|
|
uint32 tag = _file->readUint32BE();
|
|
_numCompItems = _file->readUint32BE();
|
|
assert(_numCompItems > 0);
|
|
_file->seek(8, SEEK_CUR);
|
|
|
|
if (tag != MKID_BE('COMP')) {
|
|
error("BundleMgr::loadCompTable() Compressed sound %d invalid (%s)", index, tag2str(tag));
|
|
return false;
|
|
}
|
|
|
|
_compTable = (CompTable *)malloc(sizeof(CompTable) * _numCompItems);
|
|
assert(_compTable);
|
|
int32 maxSize = 0;
|
|
for (int i = 0; i < _numCompItems; 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
|
|
_compInputBuff = (byte *)malloc(maxSize + 1);
|
|
assert(_compInputBuff);
|
|
|
|
return true;
|
|
}
|
|
|
|
int32 BundleMgr::decompressSampleByCurIndex(int32 offset, int32 size, byte **compFinal, int headerSize, bool headerOutside) {
|
|
return decompressSampleByIndex(_curSampleId, offset, size, compFinal, headerSize, headerOutside);
|
|
}
|
|
|
|
int32 BundleMgr::decompressSampleByIndex(int32 index, int32 offset, int32 size, byte **compFinal, int headerSize, bool headerOutside) {
|
|
int32 i, finalSize, outputSize;
|
|
int skip, firstBlock, lastBlock;
|
|
|
|
assert(0 <= index && index < _numFiles);
|
|
|
|
if (_file->isOpen() == false) {
|
|
error("BundleMgr::decompressSampleByIndex() File is not open!");
|
|
return 0;
|
|
}
|
|
|
|
if (_curSampleId == -1)
|
|
_curSampleId = index;
|
|
|
|
assert(_curSampleId == index);
|
|
|
|
if (!_compTableLoaded) {
|
|
_compTableLoaded = loadCompTable(index);
|
|
if (!_compTableLoaded)
|
|
return 0;
|
|
}
|
|
|
|
firstBlock = (offset + headerSize) / 0x2000;
|
|
lastBlock = (offset + headerSize + size - 1) / 0x2000;
|
|
|
|
// Clip last_block by the total number of blocks (= "comp items")
|
|
if ((lastBlock >= _numCompItems) && (_numCompItems > 0))
|
|
lastBlock = _numCompItems - 1;
|
|
|
|
int32 blocksFinalSize = 0x2000 * (1 + lastBlock - firstBlock);
|
|
*compFinal = new byte[blocksFinalSize];
|
|
assert(*compFinal);
|
|
finalSize = 0;
|
|
|
|
skip = (offset + headerSize) % 0x2000;
|
|
|
|
for (i = firstBlock; i <= lastBlock; i++) {
|
|
if (_lastBlock != i) {
|
|
// CMI hack: one more zero byte at the end of input buffer
|
|
_compInputBuff[_compTable[i].size] = 0;
|
|
_file->seek(_bundleTable[index].offset + _compTable[i].offset, SEEK_SET);
|
|
_file->read(_compInputBuff, _compTable[i].size);
|
|
_outputSize = BundleCodecs::decompressCodec(_compTable[i].codec, _compInputBuff, _compOutputBuff, _compTable[i].size);
|
|
if (_outputSize > 0x2000) {
|
|
error("_outputSize: %d", _outputSize);
|
|
}
|
|
_lastBlock = i;
|
|
}
|
|
|
|
outputSize = _outputSize;
|
|
|
|
if (headerOutside) {
|
|
outputSize -= skip;
|
|
} else {
|
|
if ((headerSize != 0) && (skip >= headerSize))
|
|
outputSize -= skip;
|
|
}
|
|
|
|
if ((outputSize + skip) > 0x2000) // workaround
|
|
outputSize -= (outputSize + skip) - 0x2000;
|
|
|
|
if (outputSize > size)
|
|
outputSize = size;
|
|
|
|
assert(finalSize + outputSize <= blocksFinalSize);
|
|
|
|
memcpy(*compFinal + finalSize, _compOutputBuff + skip, outputSize);
|
|
finalSize += outputSize;
|
|
|
|
size -= outputSize;
|
|
assert(size >= 0);
|
|
if (size == 0)
|
|
break;
|
|
|
|
skip = 0;
|
|
}
|
|
|
|
return finalSize;
|
|
}
|
|
|
|
int32 BundleMgr::decompressSampleByName(const char *name, int32 offset, int32 size, byte **comp_final, bool header_outside) {
|
|
int32 final_size = 0;
|
|
|
|
if (!_file->isOpen()) {
|
|
error("BundleMgr::decompressSampleByName() File is not open!");
|
|
return 0;
|
|
}
|
|
|
|
BundleDirCache::IndexNode target;
|
|
strcpy(target.filename, name);
|
|
BundleDirCache::IndexNode *found = (BundleDirCache::IndexNode *)bsearch(&target, _indexTable, _numFiles,
|
|
sizeof(BundleDirCache::IndexNode), (int (*)(const void*, const void*))scumm_stricmp);
|
|
if (found) {
|
|
final_size = decompressSampleByIndex(found->index, offset, size, comp_final, 0, header_outside);
|
|
return final_size;
|
|
}
|
|
|
|
debug(2, "BundleMgr::decompressSampleByName() Failed finding sound %s", name);
|
|
return final_size;
|
|
}
|
|
|
|
} // End of namespace Scumm
|