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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef SCUMM_IMUSE_DIGI_BUNDLE_MGR_H
#define SCUMM_IMUSE_DIGI_BUNDLE_MGR_H
#include "common/scummsys.h"
#include "common/file.h"
#include "scumm/imuse_digi/dimuse_defs.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;
} _bundleDirCache[4];
const ScummEngine *_vm;
public:
BundleDirCache(const ScummEngine *vm);
~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 = nullptr;
CompTable *_compTable;
int _numFiles = 0;
int _numCompItems = 0;
int _lastBlockDecompressedSize = 0;
int _curSampleId = 0;
int _curDecompressedFilePos = 0;
BaseScummFile *_file;
bool _compTableLoaded = 0;
bool _isUncompressed = 0;
int _fileBundleId = 0;
byte _compOutputBuff[0x2000] = {};
byte *_compInputBuff = nullptr;
int _outputSize = 0;
int _lastBlock = 0;
bool loadCompTable(int32 index);
public:
BundleMgr(const ScummEngine *vm, BundleDirCache *_cache);
~BundleMgr();
bool open(const char *filename, bool &isCompressed, bool errorFlag = false);
void close();
Common::SeekableReadStream *getFile(const char *filename, int32 &offset, int32 &size);
int32 seekFile(int32 offset, int size);
int32 readFile(const char *name, int32 size, byte **compFinal, bool headerOutside);
bool isExtCompBun(byte gameId);
};
} // End of namespace Scumm
#endif
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