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/* ScummVM - Scumm Interpreter
* Copyright (C) 2003 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef SKYDISK_H
#define SKYDISK_H
#include "stdafx.h"
#include "common/scummsys.h"
class File;
#define MAX_FILES_IN_LIST 60
struct PrefFile {
uint8 *data;
uint16 fileNr;
uint32 fileSize;
PrefFile *next;
};
class SkyDisk {
public:
SkyDisk(char *gameDataPath);
~SkyDisk(void);
uint8 *loadFile(uint16 fileNr, uint8 *dest);
bool fileExists(uint16 fileNr);
void prefetchFile(uint16 fileNr);
void flushPrefetched(void);
uint32 determineGameVersion();
uint32 _lastLoadedFileSize;
void fnMiniLoad(uint16 fileNum);
void fnCacheFast(uint32 list);
void fnCacheChip(uint32 list);
void fnCacheFiles(void);
void fnFlushBuffers(void);
uint32 *giveLoadedFilesList(void) { return _loadedFilesList; };
void refreshFilesList(uint32 *list);
protected:
PrefFile *_prefRoot;
uint8 *givePrefetched(uint16 fileNr, uint32 *fSize);
uint8 *getFileInfo(uint16 fileNr);
void dumpFile(uint16 fileNr);
uint32 _dinnerTableEntries;
uint8 *_dinnerTableArea, *_fixedDest, *_fileDest, *_compDest;
uint32 _fileFlags, _fileOffset, _fileSize, _decompSize, _compFile;
uint16 _buildList[MAX_FILES_IN_LIST];
uint32 _loadedFilesList[MAX_FILES_IN_LIST];
File *_dataDiskHandle;
File *_dnrHandle;
};
#endif
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