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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.
*
*/
#ifndef ACCESS_FILES_H
#define ACCESS_FILES_H
#include "common/scummsys.h"
#include "common/array.h"
#include "common/file.h"
#include "access/decompress.h"
namespace Access {
class AccessEngine;
struct FileIdent {
int _fileNum;
int _subfile;
FileIdent();
void load(Common::SeekableReadStream &s);
};
struct CellIdent : FileIdent {
byte _cell;
CellIdent() {}
CellIdent(int cell, int fileNum, int subfile);
};
class FileManager {
private:
AccessEngine *_vm;
const char * const *_filenames;
void openFile(const Common::String &filename);
byte *handleFile();
public:
int _fileNumber;
Common::File _file;
Common::SeekableReadStream *_stream;
Common::Array<uint32> _fileIndex;
uint32 _filesize;
public:
FileManager(AccessEngine *vm);
~FileManager();
/**
* Check the existence of a given file
*/
bool FileManager::existFile(const Common::String &filename);
/**
* Load a given subfile from a container file
*/
byte *loadFile(int fileNum, int subfile);
/**
* Loads a resource specified by a file identifier
*/
byte *loadFile(FileIdent &fileIdent);
/**
* Load a given file by name
*/
byte *loadFile(const Common::String &filename);
/**
* Load a given scren from a container file
*/
void loadScreen(int fileNum, int subfile);
/**
* Load a given screen by name
*/
void loadScreen(const Common::String &filename);
/**
* Open up a sub-file container file
*/
void setAppended(int fileNum);
/**
* Open up a sub-file resource within an alrady opened container file.
*/
void gotoAppended(int subfile);
};
} // End of namespace Access
#endif /* ACCESS_FILES_H */
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