scummvm/engines/gnap/datarchive.h
2016-05-17 22:10:10 +02:00

81 lines
2.2 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 GNAP_DATARCHIVE_H
#define GNAP_DATARCHIVE_H
#include "common/array.h"
#include "common/events.h"
#include "common/file.h"
#include "common/memstream.h"
#include "common/random.h"
#include "common/str.h"
#include "common/substream.h"
#include "common/system.h"
#include "engines/engine.h"
namespace Gnap {
struct DatEntry {
uint32 _ofs;
uint32 _outSize1;
uint32 _type;
uint32 _outSize2;
};
class DatArchive {
public:
DatArchive(const char *filename);
~DatArchive();
byte *load(int index);
int getCount() const { return _entriesCount; }
uint32 getEntryType(int index) { return _entries[index]._type; }
uint32 getEntrySize(int index) { return _entries[index]._outSize1; }
protected:
Common::File *_fd;
int _entriesCount;
DatEntry *_entries;
};
const int kMaxDatArchives = 2;
class DatManager {
public:
DatManager();
~DatManager();
void open(int index, const char *filename);
void close(int index);
byte *loadResource(int resourceId);
uint32 getResourceType(int resourceId);
uint32 getResourceSize(int resourceId);
protected:
DatArchive *_datArchives[kMaxDatArchives];
};
int ridToDatIndex(int resourceId);
int ridToEntryIndex(int resourceId);
int makeRid(int datIndex, int entryIndex);
} // End of namespace Gnap
#endif // GNAP_DATARCHIVE_H