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Diffstat (limited to 'engines/parallaction/archive.cpp')
| -rw-r--r-- | engines/parallaction/archive.cpp | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/engines/parallaction/archive.cpp b/engines/parallaction/archive.cpp deleted file mode 100644 index 9eef3f44e9..0000000000 --- a/engines/parallaction/archive.cpp +++ /dev/null @@ -1,208 +0,0 @@ -/* 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. - * - * $URL$ - * $Id$ - * - */ -#include "common/stdafx.h" - -#include "common/endian.h" -#include "common/file.h" - -#include "parallaction/disk.h" -#include "parallaction/parallaction.h" - - -namespace Parallaction { - -// HACK: Several archives ('de', 'en', 'fr' and 'disk0') in the multi-lingual -// Amiga version of Nippon Safes, and one archive ('fr') in the Amiga Demo of -// Nippon Safes used different internal offsets than all the other archives. -// -// When an archive is opened in the Amiga demo, its size is checked against -// SIZEOF_SMALL_ARCHIVE to detect when the smaller archive is used. -// -// When an archive is opened in Amiga multi-lingual version, the header is -// checked again NDOS to detect when a smaller archive is used. -// -#define SIZEOF_SMALL_ARCHIVE 12778 - -#define ARCHIVE_FILENAMES_OFS 0x16 - -#define NORMAL_ARCHIVE_FILES_NUM 384 -#define SMALL_ARCHIVE_FILES_NUM 180 - -#define NORMAL_ARCHIVE_SIZES_OFS 0x3016 -#define SMALL_ARCHIVE_SIZES_OFS 0x1696 - -#define NORMAL_ARCHIVE_DATA_OFS 0x4000 -#define SMALL_ARCHIVE_DATA_OFS 0x1966 - -Archive::Archive() { - resetArchivedFile(); -} - -void Archive::open(const char *file) { - debugC(1, kDebugDisk, "Archive::open(%s)", file); - - if (_archive.isOpen()) - close(); - - char path[PATH_LEN]; - - strcpy(path, file); - if (!_archive.open(path)) - error("archive '%s' not found", path); - - _archiveName = file; - - bool isSmallArchive = false; - if (_vm->getPlatform() == Common::kPlatformAmiga) { - if (_vm->getFeatures() & GF_DEMO) { - isSmallArchive = _archive.size() == SIZEOF_SMALL_ARCHIVE; - } else if (_vm->getFeatures() & GF_LANG_MULT) { - isSmallArchive = (_archive.readUint32BE() != MKID_BE('NDOS')); - } - } - - _numFiles = (isSmallArchive) ? SMALL_ARCHIVE_FILES_NUM : NORMAL_ARCHIVE_FILES_NUM; - - _archive.seek(ARCHIVE_FILENAMES_OFS); - _archive.read(_archiveDir, _numFiles*32); - - _archive.seek((isSmallArchive) ? SMALL_ARCHIVE_SIZES_OFS : NORMAL_ARCHIVE_SIZES_OFS); - - uint32 dataOffset = (isSmallArchive) ? SMALL_ARCHIVE_DATA_OFS : NORMAL_ARCHIVE_DATA_OFS; - for (uint16 i = 0; i < _numFiles; i++) { - _archiveOffsets[i] = dataOffset; - _archiveLenghts[i] = _archive.readUint32BE(); - dataOffset += _archiveLenghts[i]; - } - - return; -} - - -void Archive::close() { - if (!_archive.isOpen()) return; - - resetArchivedFile(); - - _archive.close(); - _archiveName.clear(); -} - -Common::String Archive::name() const { - return _archiveName; -} - -bool Archive::openArchivedFile(const char *filename) { - debugC(3, kDebugDisk, "Archive::openArchivedFile(%s)", filename); - - resetArchivedFile(); - - debugC(3, kDebugDisk, "Archive::openArchivedFile(%s)", filename); - - if (!_archive.isOpen()) - error("Archive::openArchivedFile: the archive is not open"); - - uint16 i = 0; - for ( ; i < _numFiles; i++) { - if (!scumm_stricmp(_archiveDir[i], filename)) break; - } - if (i == _numFiles) return false; - - debugC(9, kDebugDisk, "Archive::openArchivedFile: '%s' found in slot %i", filename, i); - - _file = true; - - _fileOffset = _archiveOffsets[i]; - _fileCursor = _archiveOffsets[i]; - _fileEndOffset = _archiveOffsets[i] + _archiveLenghts[i]; - - _archive.seek(_fileOffset); - - return true; -} - -void Archive::resetArchivedFile() { - _file = false; - _fileCursor = 0; - _fileOffset = 0; - _fileEndOffset = 0; -} - -void Archive::closeArchivedFile() { - resetArchivedFile(); -} - - -uint32 Archive::size() const { - return (_file == true ? _fileEndOffset - _fileOffset : 0); -} - -uint32 Archive::pos() const { - return (_file == true ? _fileCursor - _fileOffset : 0 ); -} - -bool Archive::eos() const { - return (_file == true ? _fileCursor == _fileEndOffset : true ); -} - -void Archive::seek(int32 offs, int whence) { - assert(_file == true && _fileCursor <= _fileEndOffset); - - switch (whence) { - case SEEK_CUR: - _fileCursor += offs; - break; - case SEEK_SET: - _fileCursor = _fileOffset + offs; - break; - case SEEK_END: - _fileCursor = _fileEndOffset - offs; - break; - } - assert(_fileCursor <= _fileEndOffset && _fileCursor >= _fileOffset); - - _archive.seek(_fileCursor, SEEK_SET); -} - -uint32 Archive::read(void *dataPtr, uint32 dataSize) { -// printf("read(%i, %i)\n", file->_cursor, file->_endOffset); - if (_file == false) - error("Archive::read: no archived file is currently open"); - - if (_fileCursor >= _fileEndOffset) - error("can't read beyond end of archived file"); - - if (_fileEndOffset - _fileCursor < dataSize) - dataSize = _fileEndOffset - _fileCursor; - - int32 readBytes = _archive.read(dataPtr, dataSize); - _fileCursor += readBytes; - - return readBytes; -} - - - -} // namespace Parallaction |