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resource.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2004-2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/kyra/resource.h,v 1.14.2.1 2005/10/18 02:11:19 sev Exp $
 *
 */

#ifndef RESOURCE_H
#define RESOURCE_H

#include "common/stdafx.h"
#include "common/scummsys.h"
#include "common/str.h"
#include "common/list.h"
#include "common/map.h"

#include "kyra/kyra.h"

namespace Kyra {

// standard Package format for Kyrandia games
class PAKFile {
      struct PakChunk {
            const char* _name;
            const uint8* _data;
            uint32 _size;
      };

public:

      PAKFile(const Common::String& file);
      ~PAKFile();

      const uint8* getFile(const char* file);
      uint32 getFileSize(const char* file);

      bool isValid(void) const { return (_buffer != 0); }
      bool isOpen(void) const { return _open; }

private:

      bool _open;
      uint8* _buffer; // the whole file
      Common::List<PakChunk*> _files; // the entries
};

// some resource types
class Movie;
class VMContext;

class Resource {
public:

      Resource(KyraEngine* engine);
      ~Resource();
      
      bool loadPakFile(const char *filename);
      void unloadPakFile(const char *filename);
      bool isInPakList(const char *filename);

      uint8* fileData(const char* file, uint32* size);

protected:
      struct PakFileEntry {
            PAKFile *_file;
            char _filename[32];
      };

      KyraEngine* _engine;
      Common::List<PakFileEntry> _pakfiles;
};

} // end of namespace Kyra

#endif

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