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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 XEEN_FILES_H
#define XEEN_FILES_H
#include "common/scummsys.h"
#include "common/array.h"
#include "common/file.h"
#include "common/serializer.h"
#include "common/str-array.h"
#include "graphics/surface.h"
namespace Xeen {
enum ArchiveType {
ANY_ARCHIVE = -1, GAME_ARCHIVE = 0, ALTSIDE_ARCHIVE = 1,
INTRO_ARCHIVE = 2
};
class XeenEngine;
class CCArchive;
class File;
#define SYNC_AS(SUFFIX,STREAM,TYPE,SIZE) \
template<typename T> \
void syncAs ## SUFFIX(T &val, Version minVersion = 0, Version maxVersion = kLastVersion) { \
if (_version < minVersion || _version > maxVersion) \
return; \
if (_loadStream) \
val = static_cast<TYPE>(_loadStream->read ## STREAM()); \
else { \
TYPE tmp = (TYPE)val; \
_saveStream->write ## STREAM(tmp); \
} \
_bytesSynced += SIZE; \
}
/*
* Main resource manager
*/
class FileManager {
friend class File;
private:
static CCArchive *_archives[3];
public:
bool _isDarkCc;
public:
/**
* Instantiates the resource manager
*/
FileManager(XeenEngine *vm);
/**
* Set which game side files to use
*/
void setGameCc(bool isDarkCc);
};
/**
* Derived file class
*/
class File : public Common::File {
public:
static ArchiveType _currentArchive;
/**
* Sets which archive is used by default
*/
static void setCurrentArchive(ArchiveType arcType) { _currentArchive = arcType; }
public:
File() : Common::File() {}
File(const Common::String &filename);
File(const Common::String &filename, ArchiveType archiveType);
File(const Common::String &filename, Common::Archive &archive);
virtual ~File() {}
/**
* Opens the given file, throwing an error if it can't be opened
*/
virtual bool open(const Common::String &filename);
/**
* Opens the given file, throwing an error if it can't be opened
*/
virtual bool open(const Common::String &filename, ArchiveType archiveType);
/**
* Opens the given file, throwing an error if it can't be opened
*/
virtual bool open(const Common::String &filename, Common::Archive &archive);
Common::String readString();
};
class StringArray : public Common::StringArray {
public:
StringArray() {}
StringArray(const Common::String &name) { load(name); }
/**
* Loads a string array from the specified file
*/
void load(const Common::String &name);
};
class XeenSerializer : public Common::Serializer {
private:
Common::SeekableReadStream *_in;
public:
XeenSerializer(Common::SeekableReadStream *in, Common::WriteStream *out) :
Common::Serializer(in, out), _in(in) {}
SYNC_AS(Sint8, Byte, int8, 1)
bool finished() const { return _in != nullptr && _in->pos() >= _in->size(); }
};
/**
* Details of a single entry in a CC file index
*/
struct CCEntry {
uint16 _id;
uint32 _offset;
uint16 _size;
CCEntry() : _id(0), _offset(0), _size(0) {}
CCEntry(uint16 id, uint32 offset, uint32 size)
: _id(id), _offset(offset), _size(size) {
}
};
/**
* Base Xeen CC file implementation
*/
class BaseCCArchive : public Common::Archive {
protected:
Common::Array<CCEntry> _index;
/**
* Load the index of a given CC file
*/
void loadIndex(Common::SeekableReadStream *stream);
/**
* Given a resource name, returns whether an entry exists, and returns
* the header index data for that entry
*/
virtual bool getHeaderEntry(const Common::String &resourceName, CCEntry &ccEntry) const;
public:
/**
* Hash a given filename to produce the Id that represents it
*/
static uint16 convertNameToId(const Common::String &resourceName);
public:
BaseCCArchive() {}
// Archive implementation
virtual bool hasFile(const Common::String &name) const;
virtual int listMembers(Common::ArchiveMemberList &list) const;
virtual const Common::ArchiveMemberPtr getMember(const Common::String &name) const;
};
/**
* Xeen CC file implementation
*/
class CCArchive : public BaseCCArchive {
private:
Common::String _filename;
Common::String _prefix;
bool _encoded;
protected:
virtual bool getHeaderEntry(const Common::String &resourceName, CCEntry &ccEntry) const;
public:
CCArchive(const Common::String &filename, bool encoded);
CCArchive(const Common::String &filename, const Common::String &prefix, bool encoded);
virtual ~CCArchive();
// Archive implementation
virtual Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const;
};
} // End of namespace Xeen
#endif /* XEEN_FILES_H */
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