mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-21 09:21:08 +00:00
102 lines
2.6 KiB
C++
102 lines
2.6 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.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*
|
|
*/
|
|
|
|
#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, Common::String packName);
|
|
uint8 *getFileData(Common::String fileName, uint32 *fileSize);
|
|
Common::String getPackName() { return _packName; }
|
|
Common::SeekableReadStream *createReadStream(Common::String fileName);
|
|
void close();
|
|
|
|
protected:
|
|
struct File {
|
|
char _name[13];
|
|
int32 _offset;
|
|
int32 _size;
|
|
};
|
|
Common::String _packName;
|
|
|
|
uint32 _numFiles;
|
|
Common::Array<File> _files;
|
|
Common::File *_fileHandle;
|
|
};
|
|
|
|
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(Common::String file);
|
|
void closePackage(Common::String fileName);
|
|
Common::SeekableReadStream *openFile(Common::String file);
|
|
uint8 *getFileData(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(Common::String packName);
|
|
bool getFromCache(Common::String fileName, uint32 *fileSize, uint8 **fileData);
|
|
void addToCache(Common::String packName, Common::String fileName, uint32 fileSize, uint8 *fileData);
|
|
};
|
|
|
|
} // End of namespace Toon
|
|
#endif
|