scummvm/engines/lure/disk.h
2011-05-12 01:16:22 +02:00

68 lines
1.7 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 LURE_DISK_H
#define LURE_DISK_H
#include "common/scummsys.h"
#include "common/str.h"
#include "lure/memory.h"
#include "lure/res_struct.h"
namespace Common {
class File;
}
namespace Lure {
#define NUM_ENTRIES_IN_HEADER 0xBF
#define HEADER_IDENT_STRING "heywow"
#define SUPPORT_IDENT_STRING "lure"
#define HEADER_ENTRY_UNUSED_ID 0xffff
class Disk {
private:
uint8 _fileNum;
uint32 _dataOffset;
Common::File *_fileHandle;
FileEntry _entries[NUM_ENTRIES_IN_HEADER];
uint8 indexOf(uint16 id, bool suppressError = false);
public:
Disk();
~Disk();
static Disk &getReference();
void openFile(uint8 fileNum);
uint32 getEntrySize(uint16 id);
MemoryBlock *getEntry(uint16 id);
bool exists(uint16 id);
uint8 numEntries();
FileEntry *getIndex(uint8 entryIndex);
};
} // End of namespace Lure
#endif