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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 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/>.
*
*/
//=============================================================================
//
// A packed data file header and functions for reading it from the stream.
//
//-----------------------------------------------------------------------------
//
// The code is based on CLIB32, by Chris Jones (1998-99), DJGPP implementation
// of the CLIB reader.
//
//=============================================================================
#ifndef AGS_SHARED_UTIL_MULTI_FILE_LIB_H
#define AGS_SHARED_UTIL_MULTI_FILE_LIB_H
#include "ags/shared/core/asset.h"
#include "ags/shared/util/stream.h"
namespace AGS3 {
namespace AGS {
namespace Shared {
//
// MultiFileLib utilities: (de)serialization of asset library in MFL format
//
namespace MFLUtil {
enum MFLError {
kMFLNoError = 0,
kMFLErrNoLibSig = -1, // library signature does not match
kMFLErrLibVersion = -2, // library version unsupported
kMFLErrNoLibBase = -3, // file is not library base (head)
kMFLErrLibAssetCount = -4, // too many assets in library
kMFLErrAssetNameLong = -5 // asset name is too long (old formats only)
};
enum MFLVersion {
kMFLVersion_SingleLib = 6,
kMFLVersion_MultiV10 = 10,
kMFLVersion_MultiV11 = 11,
kMFLVersion_MultiV15 = 15, // unknown differences
kMFLVersion_MultiV20 = 20,
kMFLVersion_MultiV21 = 21,
kMFLVersion_MultiV30 = 30 // 64-bit file support, lose limits
};
// Maximal number of the data files in one library chain (1-byte index)
const size_t MaxMultiLibFiles = 256;
MFLError TestIsMFL(Stream *in, bool test_is_main = false);
MFLError ReadHeader(AssetLibInfo &lib, Stream *in);
void WriteHeader(const AssetLibInfo &lib, MFLVersion lib_version, int lib_index, Stream *out);
void WriteEnder(soff_t lib_offset, MFLVersion lib_index, Stream *out);
} // namespace MFLUtil
} // namespace Shared
} // namespace AGS
} // namespace AGS3
#endif
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