81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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//=============================================================================
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//
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// A packed data file header and functions for reading it from the stream.
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//
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//-----------------------------------------------------------------------------
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//
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// The code is based on CLIB32, by Chris Jones (1998-99), DJGPP implementation
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// of the CLIB reader.
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//
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//=============================================================================
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#ifndef AGS_SHARED_UTIL_MULTI_FILE_LIB_H
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#define AGS_SHARED_UTIL_MULTI_FILE_LIB_H
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#include "ags/shared/core/asset.h"
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#include "ags/shared/util/stream.h"
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namespace AGS3 {
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namespace AGS {
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namespace Shared {
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//
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// MultiFileLib utilities: (de)serialization of asset library in MFL format
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//
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namespace MFLUtil {
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enum MFLError {
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kMFLNoError = 0,
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kMFLErrNoLibSig = -1, // library signature does not match
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kMFLErrLibVersion = -2, // library version unsupported
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kMFLErrNoLibBase = -3, // file is not library base (head)
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kMFLErrLibAssetCount = -4, // too many assets in library
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kMFLErrAssetNameLong = -5 // asset name is too long (old formats only)
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};
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enum MFLVersion {
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kMFLVersion_SingleLib = 6,
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kMFLVersion_MultiV10 = 10,
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kMFLVersion_MultiV11 = 11,
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kMFLVersion_MultiV15 = 15, // unknown differences
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kMFLVersion_MultiV20 = 20,
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kMFLVersion_MultiV21 = 21,
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kMFLVersion_MultiV30 = 30 // 64-bit file support, lose limits
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};
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// Maximal number of the data files in one library chain (1-byte index)
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const size_t MaxMultiLibFiles = 256;
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MFLError TestIsMFL(Stream *in, bool test_is_main = false);
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MFLError ReadHeader(AssetLibInfo &lib, Stream *in);
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void WriteHeader(const AssetLibInfo &lib, MFLVersion lib_version, int lib_index, Stream *out);
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void WriteEnder(soff_t lib_offset, MFLVersion lib_index, Stream *out);
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} // namespace MFLUtil
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} // namespace Shared
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} // namespace AGS
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} // namespace AGS3
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#endif
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