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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 TITANIC_FILES_H
#define TITANIC_FILES_H
#include "common/scummsys.h"
#include "common/file.h"
#include "common/queue.h"
#include "titanic/string.h"
namespace Titanic {
enum FileMode { FILE_READ = 1, FILE_WRITE = 2 };
class Decompressor;
class DecompressorData;
class SimpleFile {
protected:
Common::File _file;
public:
SimpleFile();
virtual ~SimpleFile();
/**
* Open a file for access
*/
virtual void open(const Common::String &name, FileMode mode = FILE_READ);
/**
* Close the file
*/
virtual void close();
/**
* Read from the file with validation
*/
virtual void safeRead(void *dst, size_t count);
/**
* Read from the file
*/
virtual size_t unsafeRead(void *dst, size_t count);
/**
* Read a string from the file
*/
virtual CString readString();
/**
* Read a number from the file
*/
virtual int readNumber();
/**
* Read a floating point number from the file
*/
virtual double readFloat();
};
typedef DecompressorData *(Decompressor::*DecompressorCreateFn)(int v1, int v2, int v3);
typedef void(Decompressor::*DecompressorDestroyFn)(DecompressorData *ptr);
typedef void(Decompressor::*Method3Fn)();
class DecompressorData {
public:
int _field0;
int _field4;
int _field8;
int _fieldC;
int _field10;
int _field14;
public:
DecompressorData();
};
class Decompressor {
private:
DecompressorCreateFn _createFn;
DecompressorDestroyFn _destroyFn;
int _field18;
DecompressorData *_dataPtr;
int _field28;
DecompressorData *createMethod(int v1, int v2, int v3);
void destroyMethod(DecompressorData *ptr);
void method3() {
// TODO
}
int sub1(Method3Fn fn, int v);
void sub2();
public:
Decompressor();
void load(const char *version = "1.0.4", int v = 15);
void close();
};
class CompressedFile : public SimpleFile {
private:
Decompressor _decompressor;
Common::Queue<byte> _queue;
int _fileMode;
int _isReading;
int _field260;
int _mode;
/**
* Decompress data from the source file
*/
void decompress();
public:
CompressedFile();
virtual ~CompressedFile();
/**
* Open a file for access
*/
virtual void open(const Common::String &name, FileMode mode = FILE_READ);
/**
* Close the file
*/
virtual void close();
/**
* Read from the file
*/
virtual size_t unsafeRead(void *dst, size_t count);
};
} // End of namespace Titanic
#endif /* TITANIC_FILES_H */
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