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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 TOON_RESOURCE_H
#define TOON_RESOURCE_H
#include "common/array.h"
#include "common/str.h"
#include "common/file.h"
#include "common/stream.h"
#define MAX_CACHE_SIZE (4 * 1024 * 1024)
namespace Toon {
class PakFile {
public:
PakFile();
~PakFile();
void open(Common::SeekableReadStream *rs, const Common::String &packName);
uint8 *getFileData(const Common::String &fileName, uint32 *fileSize);
Common::String getPackName() { return _packName; }
Common::SeekableReadStream *createReadStream(const Common::String &fileName);
void close();
protected:
struct File {
char _name[13];
int32 _offset;
int32 _size;
};
Common::String _packName;
uint32 _numFiles;
Common::Array<File> _files;
};
class ToonEngine;
class CacheEntry {
public:
CacheEntry() : _age(0), _size(0), _data(0) {}
~CacheEntry() {
free(_data);
}
Common::String _packName;
Common::String _fileName;
uint32 _age;
uint32 _size;
uint8 *_data;
};
class Resources {
public:
Resources(ToonEngine *vm);
~Resources();
void openPackage(const Common::String &file);
void closePackage(const Common::String &fileName);
Common::SeekableReadStream *openFile(const Common::String &file);
uint8 *getFileData(const Common::String &fileName, uint32 *fileSize); // this memory must be copied to your own structures!
void purgeFileData();
protected:
ToonEngine *_vm;
Common::Array<uint8 *> _allocatedFileData;
Common::Array<PakFile *> _pakFiles;
uint32 _cacheSize;
Common::Array<CacheEntry *> _resourceCache;
void removePackageFromCache(const Common::String &packName);
bool getFromCache(const Common::String &fileName, uint32 *fileSize, uint8 **fileData);
void addToCache(const Common::String &packName, const Common::String &fileName, uint32 fileSize, uint8 *fileData);
};
} // End of namespace Toon
#endif
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