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scummvm-cursorfix/engines/wintermute/base/file/base_file_entry.cpp
2026-02-02 04:50:13 +01:00

77 lines
2.3 KiB
C++

/* 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/>.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "engines/wintermute/base/file/base_file_entry.h"
#include "engines/wintermute/base/file/base_package.h"
#include "common/stream.h"
#include "common/substream.h"
#include "common/compression/deflate.h"
namespace Wintermute {
Common::SeekableReadStream *BaseFileEntry::createReadStream() const {
Common::SeekableReadStream *file = _package->getFilePointer();
if (!file) {
return nullptr;
}
bool compressed = (_compressedLength != 0);
if (compressed) {
file = Common::wrapCompressedReadStream(new Common::SeekableSubReadStream(file, _offset, _offset + _compressedLength, DisposeAfterUse::YES), DisposeAfterUse::YES, _length); //
} else {
file = new Common::SeekableSubReadStream(file, _offset, _offset + _length, DisposeAfterUse::YES);
}
file->seek(0);
return file;
}
Common::SeekableReadStream *BaseFileEntry::createReadStreamForAltStream(Common::AltStreamType altStreamType) const {
return nullptr;
}
//////////////////////////////////////////////////////////////////////////
BaseFileEntry::BaseFileEntry() {
_package = nullptr;
_length = _compressedLength = _offset = _flags = 0;
_filename = "";
_timeDate1 = _timeDate2 = 0;
_journalTime = 0;
}
//////////////////////////////////////////////////////////////////////////
BaseFileEntry::~BaseFileEntry() {
_package = nullptr; // ref only
}
} // End of namespace Wintermute