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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.
*
*/
/*
* This code is based on original Soltys source code
* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
*/
#ifndef __VOL__
#define __VOL__
#include "cge/btfile.h"
#include "cge/cfile.h"
namespace CGE {
#define CAT_NAME "VOL.CAT"
#define DAT_NAME "VOL.DAT"
#ifndef CRP
#define CRP XCrypt
#endif
#define XMASK 0xA5
#ifdef VOL_UPD
#define VOLBASE IOHAND
#else
#define VOLBASE CFILE
#endif
class DAT {
friend class VFILE;
static VOLBASE File;
public:
static bool Append(uint8 *buf, uint16 len);
static bool Write(CFILE &f);
static bool Read(long org, uint16 len, uint8 *buf);
};
class VFILE : public IOBUF {
static DAT Dat;
static BTFILE Cat;
static VFILE *Recent;
long BegMark, EndMark;
void ReadBuff(void);
void WriteBuff(void) { }
void Make(const char *fspec);
public:
VFILE(const char *name, IOMODE mode = REA);
~VFILE(void);
static bool Exist(const char *name);
static const char *Next(void);
long Mark(void) {
return (BufMark + Ptr) - BegMark;
}
long Size(void) {
return EndMark - BegMark;
}
long Seek(long pos) {
Recent = NULL;
Lim = 0;
return (BufMark = BegMark + pos);
}
};
} // End of namespace CGE
#endif
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