mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 21:59:17 +00:00
754 lines
19 KiB
C++
754 lines
19 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/scummsys.h"
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#include "common/debug.h"
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#include "common/util.h"
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#include "common/file.h"
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#include "common/fs.h"
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#include "common/macresman.h"
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#include "common/md5.h"
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#include "common/substream.h"
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#include "common/textconsole.h"
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#include "common/archive.h"
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#ifdef MACOSX
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#include "common/config-manager.h"
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#endif
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namespace Common {
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#define MBI_INFOHDR 128
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#define MBI_ZERO1 0
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#define MBI_NAMELEN 1
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#define MBI_ZERO2 74
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#define MBI_ZERO3 82
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#define MBI_DFLEN 83
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#define MBI_RFLEN 87
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#define MAXNAMELEN 63
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MacResManager::MacResManager() {
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_stream = nullptr;
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// _baseFileName cleared by String constructor
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_mode = kResForkNone;
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_resForkOffset = -1;
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_resForkSize = 0;
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_dataOffset = 0;
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_dataLength = 0;
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_mapOffset = 0;
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_mapLength = 0;
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_resMap.reset();
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_resTypes = nullptr;
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_resLists = nullptr;
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}
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MacResManager::~MacResManager() {
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close();
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}
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void MacResManager::close() {
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_resForkOffset = -1;
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_mode = kResForkNone;
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for (int i = 0; i < _resMap.numTypes; i++) {
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for (int j = 0; j < _resTypes[i].items; j++)
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if (_resLists[i][j].nameOffset != -1)
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delete[] _resLists[i][j].name;
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delete[] _resLists[i];
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}
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delete[] _resLists; _resLists = nullptr;
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delete[] _resTypes; _resTypes = nullptr;
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delete _stream; _stream = nullptr;
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_resMap.numTypes = 0;
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}
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bool MacResManager::hasDataFork() const {
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return !_baseFileName.empty();
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}
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bool MacResManager::hasResFork() const {
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return !_baseFileName.empty() && _mode != kResForkNone;
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}
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uint32 MacResManager::getResForkDataSize() const {
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if (!hasResFork())
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return 0;
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_stream->seek(_resForkOffset + 4);
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return _stream->readUint32BE();
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}
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String MacResManager::computeResForkMD5AsString(uint32 length) const {
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if (!hasResFork())
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return String();
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_stream->seek(_resForkOffset);
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uint32 dataOffset = _stream->readUint32BE() + _resForkOffset;
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/* uint32 mapOffset = */ _stream->readUint32BE();
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uint32 dataLength = _stream->readUint32BE();
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SeekableSubReadStream resForkStream(_stream, dataOffset, dataOffset + dataLength);
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return computeStreamMD5AsString(resForkStream, MIN<uint32>(length, _resForkSize));
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}
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bool MacResManager::open(const String &fileName) {
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close();
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#ifdef MACOSX
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// Check the actual fork on a Mac computer
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String fullPath = ConfMan.get("path") + "/" + fileName + "/..namedfork/rsrc";
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FSNode resFsNode = FSNode(fullPath);
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if (resFsNode.exists()) {
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SeekableReadStream *macResForkRawStream = resFsNode.createReadStream();
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if (macResForkRawStream && loadFromRawFork(*macResForkRawStream)) {
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_baseFileName = fileName;
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return true;
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}
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delete macResForkRawStream;
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}
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#endif
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File *file = new File();
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// Prefer standalone files first, starting with raw forks
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if (file->open(fileName + ".rsrc") && loadFromRawFork(*file)) {
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_baseFileName = fileName;
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return true;
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}
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file->close();
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// Then try for AppleDouble using Apple's naming
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if (file->open(constructAppleDoubleName(fileName)) && loadFromAppleDouble(*file)) {
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_baseFileName = fileName;
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return true;
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}
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file->close();
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// Check .bin for MacBinary next
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if (file->open(fileName + ".bin") && loadFromMacBinary(*file)) {
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_baseFileName = fileName;
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return true;
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}
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file->close();
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// As a last resort, see if just the data fork exists
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if (file->open(fileName)) {
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_baseFileName = fileName;
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// FIXME: Is this really needed?
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if (isMacBinary(*file)) {
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file->seek(0);
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if (loadFromMacBinary(*file))
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return true;
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}
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file->seek(0);
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_stream = file;
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return true;
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}
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delete file;
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// The file doesn't exist
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return false;
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}
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bool MacResManager::open(const FSNode &path, const String &fileName) {
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close();
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#ifdef MACOSX
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// Check the actual fork on a Mac computer
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String fullPath = path.getPath() + "/" + fileName + "/..namedfork/rsrc";
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FSNode resFsNode = FSNode(fullPath);
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if (resFsNode.exists()) {
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SeekableReadStream *macResForkRawStream = resFsNode.createReadStream();
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if (macResForkRawStream && loadFromRawFork(*macResForkRawStream)) {
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_baseFileName = fileName;
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return true;
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}
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delete macResForkRawStream;
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}
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#endif
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// Prefer standalone files first, starting with raw forks
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FSNode fsNode = path.getChild(fileName + ".rsrc");
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if (fsNode.exists() && !fsNode.isDirectory()) {
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SeekableReadStream *stream = fsNode.createReadStream();
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if (loadFromRawFork(*stream)) {
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_baseFileName = fileName;
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return true;
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}
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delete stream;
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}
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// Then try for AppleDouble using Apple's naming
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fsNode = path.getChild(constructAppleDoubleName(fileName));
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if (fsNode.exists() && !fsNode.isDirectory()) {
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SeekableReadStream *stream = fsNode.createReadStream();
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if (loadFromAppleDouble(*stream)) {
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_baseFileName = fileName;
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return true;
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}
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delete stream;
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}
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// Check .bin for MacBinary next
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fsNode = path.getChild(fileName + ".bin");
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if (fsNode.exists() && !fsNode.isDirectory()) {
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SeekableReadStream *stream = fsNode.createReadStream();
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if (loadFromMacBinary(*stream)) {
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_baseFileName = fileName;
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return true;
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}
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delete stream;
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}
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// As a last resort, see if just the data fork exists
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fsNode = path.getChild(fileName);
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if (fsNode.exists() && !fsNode.isDirectory()) {
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SeekableReadStream *stream = fsNode.createReadStream();
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_baseFileName = fileName;
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// FIXME: Is this really needed?
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if (isMacBinary(*stream)) {
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stream->seek(0);
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if (loadFromMacBinary(*stream))
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return true;
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}
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stream->seek(0);
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_stream = stream;
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return true;
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}
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// The file doesn't exist
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return false;
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}
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bool MacResManager::exists(const String &fileName) {
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// Try the file name by itself
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if (File::exists(fileName))
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return true;
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// Try the .rsrc extension
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if (File::exists(fileName + ".rsrc"))
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return true;
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// Check if we have a MacBinary file
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File tempFile;
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if (tempFile.open(fileName + ".bin") && isMacBinary(tempFile))
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return true;
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// Check if we have an AppleDouble file
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if (tempFile.open(constructAppleDoubleName(fileName)) && tempFile.readUint32BE() == 0x00051607)
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return true;
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return false;
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}
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void MacResManager::listFiles(StringArray &files, const String &pattern) {
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// Base names discovered so far.
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typedef HashMap<String, bool, IgnoreCase_Hash, IgnoreCase_EqualTo> BaseNameSet;
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BaseNameSet baseNames;
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// List files itself.
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ArchiveMemberList memberList;
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SearchMan.listMatchingMembers(memberList, pattern);
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SearchMan.listMatchingMembers(memberList, pattern + ".rsrc");
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SearchMan.listMatchingMembers(memberList, pattern + ".bin");
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SearchMan.listMatchingMembers(memberList, constructAppleDoubleName(pattern));
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for (ArchiveMemberList::const_iterator i = memberList.begin(), end = memberList.end(); i != end; ++i) {
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String filename = (*i)->getName();
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// For raw resource forks and MacBinary files we strip the extension
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// here to obtain a valid base name.
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int lastDotPos = filename.size() - 1;
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for (; lastDotPos >= 0; --lastDotPos) {
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if (filename[lastDotPos] == '.') {
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break;
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}
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}
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if (lastDotPos != -1) {
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const char *extension = filename.c_str() + lastDotPos + 1;
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bool removeExtension = false;
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// TODO: Should we really keep filenames suggesting raw resource
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// forks or MacBinary files but not being such around? This might
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// depend on the pattern the client requests...
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if (!scumm_stricmp(extension, "rsrc")) {
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SeekableReadStream *stream = (*i)->createReadStream();
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removeExtension = stream && isRawFork(*stream);
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delete stream;
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} else if (!scumm_stricmp(extension, "bin")) {
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SeekableReadStream *stream = (*i)->createReadStream();
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removeExtension = stream && isMacBinary(*stream);
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delete stream;
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}
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if (removeExtension) {
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filename.erase(lastDotPos);
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}
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}
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// Strip AppleDouble '._' prefix if applicable.
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bool isAppleDoubleName = false;
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const String filenameAppleDoubleStripped = disassembleAppleDoubleName(filename, &isAppleDoubleName);
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if (isAppleDoubleName) {
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SeekableReadStream *stream = (*i)->createReadStream();
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if (stream->readUint32BE() == 0x00051607) {
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filename = filenameAppleDoubleStripped;
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}
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// TODO: Should we really keep filenames suggesting AppleDouble
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// but not being AppleDouble around? This might depend on the
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// pattern the client requests...
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delete stream;
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}
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baseNames[filename] = true;
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}
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// Append resulting base names to list to indicate found files.
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for (BaseNameSet::const_iterator i = baseNames.begin(), end = baseNames.end(); i != end; ++i) {
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files.push_back(i->_key);
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}
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}
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bool MacResManager::loadFromAppleDouble(SeekableReadStream &stream) {
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if (stream.readUint32BE() != 0x00051607) // tag
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return false;
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stream.skip(20); // version + home file system
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uint16 entryCount = stream.readUint16BE();
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for (uint16 i = 0; i < entryCount; i++) {
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uint32 id = stream.readUint32BE();
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uint32 offset = stream.readUint32BE();
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uint32 length = stream.readUint32BE(); // length
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if (id == 2) {
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// Found the resource fork!
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_resForkOffset = offset;
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_mode = kResForkAppleDouble;
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_resForkSize = length;
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return load(stream);
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}
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}
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return false;
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}
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bool MacResManager::isMacBinary(SeekableReadStream &stream) {
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byte infoHeader[MBI_INFOHDR];
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int resForkOffset = -1;
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if (stream.read(infoHeader, MBI_INFOHDR) != MBI_INFOHDR)
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return false;
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if (infoHeader[MBI_ZERO1] == 0 && infoHeader[MBI_ZERO2] == 0 &&
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infoHeader[MBI_ZERO3] == 0 && infoHeader[MBI_NAMELEN] <= MAXNAMELEN) {
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// Pull out fork lengths
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uint32 dataSize = READ_BE_UINT32(infoHeader + MBI_DFLEN);
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uint32 rsrcSize = READ_BE_UINT32(infoHeader + MBI_RFLEN);
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uint32 dataSizePad = (((dataSize + 127) >> 7) << 7);
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uint32 rsrcSizePad = (((rsrcSize + 127) >> 7) << 7);
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// Length check
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if (MBI_INFOHDR + dataSizePad + rsrcSizePad == (uint32)stream.size()) {
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resForkOffset = MBI_INFOHDR + dataSizePad;
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}
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}
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if (resForkOffset < 0)
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return false;
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return true;
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}
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bool MacResManager::isRawFork(SeekableReadStream &stream) {
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// TODO: Is there a better way to detect whether this is a raw fork?
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const uint32 dataOffset = stream.readUint32BE();
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const uint32 mapOffset = stream.readUint32BE();
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const uint32 dataLength = stream.readUint32BE();
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const uint32 mapLength = stream.readUint32BE();
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return !stream.eos() && !stream.err()
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&& dataOffset < (uint32)stream.size() && dataOffset + dataLength <= (uint32)stream.size()
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&& mapOffset < (uint32)stream.size() && mapOffset + mapLength <= (uint32)stream.size();
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}
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bool MacResManager::loadFromMacBinary(SeekableReadStream &stream) {
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byte infoHeader[MBI_INFOHDR];
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stream.read(infoHeader, MBI_INFOHDR);
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// Maybe we have MacBinary?
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if (infoHeader[MBI_ZERO1] == 0 && infoHeader[MBI_ZERO2] == 0 &&
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infoHeader[MBI_ZERO3] == 0 && infoHeader[MBI_NAMELEN] <= MAXNAMELEN) {
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// Pull out fork lengths
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uint32 dataSize = READ_BE_UINT32(infoHeader + MBI_DFLEN);
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uint32 rsrcSize = READ_BE_UINT32(infoHeader + MBI_RFLEN);
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uint32 dataSizePad = (((dataSize + 127) >> 7) << 7);
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uint32 rsrcSizePad = (((rsrcSize + 127) >> 7) << 7);
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// Length check
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if (MBI_INFOHDR + dataSizePad + rsrcSizePad == (uint32)stream.size()) {
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_resForkOffset = MBI_INFOHDR + dataSizePad;
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_resForkSize = rsrcSize;
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}
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}
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if (_resForkOffset < 0)
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return false;
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_mode = kResForkMacBinary;
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return load(stream);
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}
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bool MacResManager::loadFromRawFork(SeekableReadStream &stream) {
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_mode = kResForkRaw;
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_resForkOffset = 0;
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_resForkSize = stream.size();
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return load(stream);
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}
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bool MacResManager::load(SeekableReadStream &stream) {
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if (_mode == kResForkNone)
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return false;
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stream.seek(_resForkOffset);
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_dataOffset = stream.readUint32BE() + _resForkOffset;
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_mapOffset = stream.readUint32BE() + _resForkOffset;
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_dataLength = stream.readUint32BE();
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_mapLength = stream.readUint32BE();
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// do sanity check
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if (stream.eos() || _dataOffset >= (uint32)stream.size() || _mapOffset >= (uint32)stream.size() ||
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_dataLength + _mapLength > (uint32)stream.size()) {
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_resForkOffset = -1;
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_mode = kResForkNone;
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return false;
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}
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debug(7, "got header: data %d [%d] map %d [%d]",
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_dataOffset, _dataLength, _mapOffset, _mapLength);
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_stream = &stream;
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readMap();
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return true;
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}
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SeekableReadStream *MacResManager::getDataFork() {
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if (!_stream)
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return nullptr;
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if (_mode == kResForkMacBinary) {
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_stream->seek(MBI_DFLEN);
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uint32 dataSize = _stream->readUint32BE();
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return new SeekableSubReadStream(_stream, MBI_INFOHDR, MBI_INFOHDR + dataSize);
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}
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File *file = new File();
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if (file->open(_baseFileName))
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return file;
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delete file;
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return nullptr;
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}
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MacResIDArray MacResManager::getResIDArray(uint32 typeID) {
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int typeNum = -1;
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MacResIDArray res;
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for (int i = 0; i < _resMap.numTypes; i++)
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if (_resTypes[i].id == typeID) {
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typeNum = i;
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break;
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}
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if (typeNum == -1)
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return res;
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res.resize(_resTypes[typeNum].items);
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for (int i = 0; i < _resTypes[typeNum].items; i++)
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res[i] = _resLists[typeNum][i].id;
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return res;
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}
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MacResTagArray MacResManager::getResTagArray() {
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MacResTagArray tagArray;
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if (!hasResFork())
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return tagArray;
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tagArray.resize(_resMap.numTypes);
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for (uint32 i = 0; i < _resMap.numTypes; i++)
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tagArray[i] = _resTypes[i].id;
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return tagArray;
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}
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String MacResManager::getResName(uint32 typeID, uint16 resID) const {
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int typeNum = -1;
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for (int i = 0; i < _resMap.numTypes; i++)
|
|
if (_resTypes[i].id == typeID) {
|
|
typeNum = i;
|
|
break;
|
|
}
|
|
|
|
if (typeNum == -1)
|
|
return "";
|
|
|
|
for (int i = 0; i < _resTypes[typeNum].items; i++)
|
|
if (_resLists[typeNum][i].id == resID)
|
|
return _resLists[typeNum][i].name;
|
|
|
|
return "";
|
|
}
|
|
|
|
SeekableReadStream *MacResManager::getResource(uint32 typeID, uint16 resID) {
|
|
int typeNum = -1;
|
|
int resNum = -1;
|
|
|
|
for (int i = 0; i < _resMap.numTypes; i++)
|
|
if (_resTypes[i].id == typeID) {
|
|
typeNum = i;
|
|
break;
|
|
}
|
|
|
|
if (typeNum == -1)
|
|
return nullptr;
|
|
|
|
for (int i = 0; i < _resTypes[typeNum].items; i++)
|
|
if (_resLists[typeNum][i].id == resID) {
|
|
resNum = i;
|
|
break;
|
|
}
|
|
|
|
if (resNum == -1)
|
|
return nullptr;
|
|
|
|
_stream->seek(_dataOffset + _resLists[typeNum][resNum].dataOffset);
|
|
uint32 len = _stream->readUint32BE();
|
|
|
|
// Ignore resources with 0 length
|
|
if (!len)
|
|
return nullptr;
|
|
|
|
return _stream->readStream(len);
|
|
}
|
|
|
|
SeekableReadStream *MacResManager::getResource(const String &fileName) {
|
|
for (uint32 i = 0; i < _resMap.numTypes; i++) {
|
|
for (uint32 j = 0; j < _resTypes[i].items; j++) {
|
|
if (_resLists[i][j].nameOffset != -1 && fileName.equalsIgnoreCase(_resLists[i][j].name)) {
|
|
_stream->seek(_dataOffset + _resLists[i][j].dataOffset);
|
|
uint32 len = _stream->readUint32BE();
|
|
|
|
// Ignore resources with 0 length
|
|
if (!len)
|
|
return nullptr;
|
|
|
|
return _stream->readStream(len);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
SeekableReadStream *MacResManager::getResource(uint32 typeID, const String &fileName) {
|
|
for (uint32 i = 0; i < _resMap.numTypes; i++) {
|
|
if (_resTypes[i].id != typeID)
|
|
continue;
|
|
|
|
for (uint32 j = 0; j < _resTypes[i].items; j++) {
|
|
if (_resLists[i][j].nameOffset != -1 && fileName.equalsIgnoreCase(_resLists[i][j].name)) {
|
|
_stream->seek(_dataOffset + _resLists[i][j].dataOffset);
|
|
uint32 len = _stream->readUint32BE();
|
|
|
|
// Ignore resources with 0 length
|
|
if (!len)
|
|
return nullptr;
|
|
|
|
return _stream->readStream(len);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
void MacResManager::readMap() {
|
|
_stream->seek(_mapOffset + 22);
|
|
|
|
_resMap.resAttr = _stream->readUint16BE();
|
|
_resMap.typeOffset = _stream->readUint16BE();
|
|
_resMap.nameOffset = _stream->readUint16BE();
|
|
_resMap.numTypes = _stream->readUint16BE();
|
|
_resMap.numTypes++;
|
|
|
|
_stream->seek(_mapOffset + _resMap.typeOffset + 2);
|
|
_resTypes = new ResType[_resMap.numTypes];
|
|
|
|
for (int i = 0; i < _resMap.numTypes; i++) {
|
|
_resTypes[i].id = _stream->readUint32BE();
|
|
_resTypes[i].items = _stream->readUint16BE();
|
|
_resTypes[i].offset = _stream->readUint16BE();
|
|
_resTypes[i].items++;
|
|
|
|
debug(8, "resType: <%s> items: %d offset: %d (0x%x)", tag2str(_resTypes[i].id), _resTypes[i].items, _resTypes[i].offset, _resTypes[i].offset);
|
|
}
|
|
|
|
_resLists = new ResPtr[_resMap.numTypes];
|
|
|
|
for (int i = 0; i < _resMap.numTypes; i++) {
|
|
_resLists[i] = new Resource[_resTypes[i].items];
|
|
_stream->seek(_resTypes[i].offset + _mapOffset + _resMap.typeOffset);
|
|
|
|
for (int j = 0; j < _resTypes[i].items; j++) {
|
|
ResPtr resPtr = _resLists[i] + j;
|
|
|
|
resPtr->id = _stream->readUint16BE();
|
|
resPtr->nameOffset = _stream->readUint16BE();
|
|
resPtr->dataOffset = _stream->readUint32BE();
|
|
_stream->readUint32BE();
|
|
resPtr->name = nullptr;
|
|
|
|
resPtr->attr = resPtr->dataOffset >> 24;
|
|
resPtr->dataOffset &= 0xFFFFFF;
|
|
}
|
|
|
|
for (int j = 0; j < _resTypes[i].items; j++) {
|
|
if (_resLists[i][j].nameOffset != -1) {
|
|
_stream->seek(_resLists[i][j].nameOffset + _mapOffset + _resMap.nameOffset);
|
|
|
|
byte len = _stream->readByte();
|
|
_resLists[i][j].name = new char[len + 1];
|
|
_resLists[i][j].name[len] = 0;
|
|
_stream->read(_resLists[i][j].name, len);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
String MacResManager::constructAppleDoubleName(String name) {
|
|
// Insert "._" before the last portion of a path name
|
|
for (int i = name.size() - 1; i >= 0; i--) {
|
|
if (i == 0) {
|
|
name.insertChar('_', 0);
|
|
name.insertChar('.', 0);
|
|
} else if (name[i] == '/') {
|
|
name.insertChar('_', i + 1);
|
|
name.insertChar('.', i + 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
String MacResManager::disassembleAppleDoubleName(String name, bool *isAppleDouble) {
|
|
if (isAppleDouble) {
|
|
*isAppleDouble = false;
|
|
}
|
|
|
|
// Remove "._" before the last portion of a path name.
|
|
for (int i = name.size() - 1; i >= 0; --i) {
|
|
if (i == 0) {
|
|
if (name.size() > 2 && name[0] == '.' && name[1] == '_') {
|
|
name.erase(0, 2);
|
|
if (isAppleDouble) {
|
|
*isAppleDouble = true;
|
|
}
|
|
}
|
|
} else if (name[i] == '/') {
|
|
if ((uint)(i + 2) < name.size() && name[i + 1] == '.' && name[i + 2] == '_') {
|
|
name.erase(i + 1, 2);
|
|
if (isAppleDouble) {
|
|
*isAppleDouble = true;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
void MacResManager::dumpRaw() {
|
|
byte *data = nullptr;
|
|
uint dataSize = 0;
|
|
Common::DumpFile out;
|
|
|
|
for (int i = 0; i < _resMap.numTypes; i++) {
|
|
for (int j = 0; j < _resTypes[i].items; j++) {
|
|
_stream->seek(_dataOffset + _resLists[i][j].dataOffset);
|
|
uint32 len = _stream->readUint32BE();
|
|
|
|
if (dataSize < len) {
|
|
free(data);
|
|
data = (byte *)malloc(len);
|
|
dataSize = len;
|
|
}
|
|
|
|
Common::String filename = Common::String::format("./dumps/%s-%s-%d", _baseFileName.c_str(), tag2str(_resTypes[i].id), j);
|
|
_stream->read(data, len);
|
|
|
|
if (!out.open(filename)) {
|
|
warning("MacResManager::dumpRaw(): Can not open dump file %s", filename.c_str());
|
|
return;
|
|
}
|
|
|
|
out.write(data, len);
|
|
|
|
out.flush();
|
|
out.close();
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
} // End of namespace Common
|