// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * 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 3 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, see  http://www.gnu.org/licenses/.

// metafile.h

#pragma once


#include <stdio.h>


#define METAMAX		5

typedef struct
{
	char			name[14];	// file name (8.3 max)
	int			start;		// position from the beginning of the metafile
	int			len;		// length of the file
}
MetaHeader;

typedef struct
{
	char		name[50];	// name of the metafile
	FILE*		stream;		// channel
	int		total;		// number of files
	MetaHeader*	headers;	// headers of files
}
MetaFile;



class CMetaFile
{
public:
	CMetaFile();
	~CMetaFile();

	BOOL	IsExist(char *metaname, char *filename);
	int		Open(char *metaname, char *filename);
	int		RetLength();
	int		Seek(int offset);
	int		Read(void *buffer, int size);
	int		GetByte();
	int		GetWord();
	int		Close();
	int		MetaClose();

protected:
	int		MetaOpen(char *metaname);
	int		MetaSearch(char *metaname);

protected:
	MetaFile	m_list[METAMAX];		// metafile open
	BOOL		m_bOpen;			// open file
	BOOL		m_bMeta;			// metafile open
	FILE*		m_stream;			// channel
	int		m_start;			// position from the beginning
	int		m_pos;				// current position
	int		m_len;				// length of the file
};