scummvm/engines/scumm/imuse_digi/dimuse_bndmgr.h
2011-05-12 01:16:22 +02:00

110 lines
2.7 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.
*/
#ifndef SCUMM_IMUSE_DIGI_BUNDLE_MGR_H
#define SCUMM_IMUSE_DIGI_BUNDLE_MGR_H
#include "common/scummsys.h"
#include "common/file.h"
namespace Scumm {
class BaseScummFile;
class BundleDirCache {
public:
struct AudioTable {
char filename[24];
int32 offset;
int32 size;
};
struct IndexNode {
char filename[24];
int32 index;
};
private:
struct FileDirCache {
char fileName[20];
AudioTable *bundleTable;
int32 numFiles;
bool isCompressed;
IndexNode *indexTable;
} _budleDirCache[4];
public:
BundleDirCache();
~BundleDirCache();
int matchFile(const char *filename);
AudioTable *getTable(int slot);
IndexNode *getIndexTable(int slot);
int32 getNumFiles(int slot);
bool isSndDataExtComp(int slot);
};
class BundleMgr {
private:
struct CompTable {
int32 offset;
int32 size;
int32 codec;
};
BundleDirCache *_cache;
BundleDirCache::AudioTable *_bundleTable;
BundleDirCache::IndexNode *_indexTable;
CompTable *_compTable;
int _numFiles;
int _numCompItems;
int _curSampleId;
BaseScummFile *_file;
bool _compTableLoaded;
int _fileBundleId;
byte _compOutputBuff[0x2000];
byte *_compInputBuff;
int _outputSize;
int _lastBlock;
bool loadCompTable(int32 index);
public:
BundleMgr(BundleDirCache *_cache);
~BundleMgr();
bool open(const char *filename, bool &compressed, bool errorFlag = false);
void close();
Common::SeekableReadStream *getFile(const char *filename, int32 &offset, int32 &size);
int32 decompressSampleByName(const char *name, int32 offset, int32 size, byte **compFinal, bool headerOutside);
int32 decompressSampleByIndex(int32 index, int32 offset, int32 size, byte **compFinal, int header_size, bool headerOutside);
int32 decompressSampleByCurIndex(int32 offset, int32 size, byte **compFinal, int headerSize, bool headerOutside);
};
} // End of namespace Scumm
#endif