static ADGameDescList detectGame(const Common::FSList &fslist, const ADParams ¶ms, Common::Language language, Common::Platform platform, const Common::String &extra) {
FileMap allFiles;
SizeMD5Map filesSizeMD5;
const ADGameFileDescription *fileDesc;
const ADGameDescription *g;
const byte *descPtr;
if (fslist.empty())
return ADGameDescList();
Common::FSNode parent = fslist.begin()->getParent();
debug(3, "Starting detection in dir '%s'", parent.getPath().c_str());
// First we compose a hashmap of all files in fslist.
// Includes nifty stuff like removing trailing dots and ignoring case.
composeFileHashMap(fslist, allFiles, (params.depth == 0 ? 1 : params.depth), params.directoryGlobs);
// Check which files are included in some ADGameDescription *and* present
// in fslist. Compute MD5s and file sizes for these files.
for (descPtr = params.descs; ((const ADGameDescription *)descPtr)->gameid != 0; descPtr += params.descItemSize) {
g = (const ADGameDescription *)descPtr;
for (fileDesc = g->filesDescriptions; fileDesc->fileName; fileDesc++) {
Common::String fname = fileDesc->fileName;
SizeMD5 tmp;
if (filesSizeMD5.contains(fname))
continue;
// FIXME/TODO: We don't handle the case that a file is listed as a regular
// file and as one with resource fork.
if (g->flags & ADGF_MACRESFORK) {
Common::MacResManager *macResMan = new Common::MacResManager();
if (macResMan->open(parent, fname)) {
tmp.md5 = macResMan->computeResForkMD5AsString(params.md5Bytes);
tmp.size = macResMan->getResForkDataSize();
debug(3, "> '%s': '%s'", fname.c_str(), tmp.md5.c_str());
filesSizeMD5[fname] = tmp;
}
delete macResMan;
} else {
if (allFiles.contains(fname)) {
debug(3, "+ %s", fname.c_str());
Common::File testFile;
if (testFile.open(allFiles[fname])) {
tmp.size = (int32)testFile.size();
tmp.md5 = Common::computeStreamMD5AsString(testFile, params.md5Bytes);
} else {
tmp.size = -1;
}
debug(3, "> '%s': '%s'", fname.c_str(), tmp.md5.c_str());
filesSizeMD5[fname] = tmp;
}
}
}
}
ADGameDescList matched;
int maxFilesMatched = 0;
bool gotAnyMatchesWithAllFiles = false;
// MD5 based matching
uint i;
for (i = 0, descPtr = params.descs; ((const ADGameDescription *)descPtr)->gameid != 0; descPtr += params.descItemSize, ++i) {
g = (const ADGameDescription *)descPtr;
bool fileMissing = false;
// Do not even bother to look at entries which do not have matching
// language and platform (if specified).
if ((language != Common::UNK_LANG && g->language != Common::UNK_LANG && g->language != language
&& !(language == Common::EN_ANY && (g->flags & ADGF_ADDENGLISH))) ||
(platform != Common::kPlatformUnknown && g->platform != Common::kPlatformUnknown && g->platform != platform)) {
continue;
}
if ((params.flags & kADFlagUseExtraAsHint) && !extra.empty() && g->extra != extra)
continue;
bool allFilesPresent = true;
int curFilesMatched = 0;
// Try to match all files for this game
for (fileDesc = g->filesDescriptions; fileDesc->fileName; fileDesc++) {
Common::String tstr = fileDesc->fileName;
if (!filesSizeMD5.contains(tstr)) {
fileMissing = true;
allFilesPresent = false;
break;
}
if (fileDesc->md5 != NULL && fileDesc->md5 != filesSizeMD5[tstr].md5) {
debug(3, "MD5 Mismatch. Skipping (%s) (%s)", fileDesc->md5, filesSizeMD5[tstr].md5.c_str());
fileMissing = true;
break;
}
if (fileDesc->fileSize != -1 && fileDesc->fileSize != filesSizeMD5[tstr].size) {
debug(3, "Size Mismatch. Skipping");
fileMissing = true;
break;
}
debug(3, "Matched file: %s", tstr.c_str());
curFilesMatched++;
}
// We found at least one entry with all required files present.
// That means that we got new variant of the game.
//
// Without this check we would have erroneous checksum display
// where only located files will be enlisted.
//
// Potentially this could rule out variants where some particular file
// is really missing, but the developers should better know about such
// cases.
if (allFilesPresent)
gotAnyMatchesWithAllFiles = true;
if (!fileMissing) {
debug(2, "Found game: %s (%s %s/%s) (%d)", g->gameid, g->extra,
getPlatformDescription(g->platform), getLanguageDescription(g->language), i);
if (curFilesMatched > maxFilesMatched) {
debug(2, " ... new best match, removing all previous candidates");
maxFilesMatched = curFilesMatched;
matched.clear(); // Remove any prior, lower ranked matches.
matched.push_back(g);
} else if (curFilesMatched == maxFilesMatched) {
matched.push_back(g);
} else {
debug(2, " ... skipped");
}
} else {
debug(5, "Skipping game: %s (%s %s/%s) (%d)", g->gameid, g->extra,
getPlatformDescription(g->platform), getLanguageDescription(g->language), i);
}
}
// We didn't find a match
if (matched.empty()) {
if (!filesSizeMD5.empty() && gotAnyMatchesWithAllFiles) {
reportUnknown(parent, filesSizeMD5);
}
// Filename based fallback
if (params.fileBasedFallback != 0)
matched = detectGameFilebased(allFiles, params);
}
return matched;
}
Database::Database(Myst3Engine *vm) :
_vm(vm),
_currentRoomID(0),
_executableVersion(0),
_currentRoomData(0) {
_executableVersion = _vm->getExecutableVersion();
if (_executableVersion != 0) {
debug("Initializing database from %s (Platform: %s) (%s)", _executableVersion->executable, getPlatformDescription(_vm->getPlatform()), _executableVersion->description);
} else {
error("Could not find any executable to load");
}
// Load the ages and rooms description
Common::SeekableSubReadStreamEndian *file = openDatabaseFile();
file->seek(_executableVersion->ageTableOffset);
_ages = loadAges(*file);
for (uint i = 0; i < _ages.size(); i++) {
file->seek(_ages[i].roomsOffset);
// Read the room offset table
Common::Array<uint32> roomsOffsets;
for (uint j = 0; j < _ages[i].roomCount; j++) {
uint32 offset = file->readUint32() - _executableVersion->baseOffset;
roomsOffsets.push_back(offset);
}
// Load the rooms
for (uint j = 0; j < roomsOffsets.size(); j++) {
file->seek(roomsOffsets[j]);
_ages[i].rooms.push_back(loadRoomDescription(*file));
}
}
file->seek(_executableVersion->nodeInitScriptOffset);
_nodeInitScript = loadOpcodes(*file);
file->seek(_executableVersion->soundNamesOffset);
loadSoundNames(file);
delete file;
preloadCommonRooms();
}
Database::Database(Myst3Engine *vm) :
_vm(vm),
_currentRoomID(0),
_executableVersion(0),
_currentRoomData(0) {
_executableVersion = _vm->getExecutableVersion();
if (_executableVersion != 0) {
debug("Initializing database from %s (Platform: %s) (%s)", _executableVersion->executable, getPlatformDescription(_vm->getPlatform()), _executableVersion->description);
} else {
error("Could not find any executable to load");
}
// Load the ages and rooms description
Common::SeekableSubReadStreamEndian *file = openDatabaseFile();
file->seek(_executableVersion->ageTableOffset);
_ages = loadAges(*file);
for (uint i = 0; i < _ages.size(); i++) {
file->seek(_ages[i].roomsOffset);
// Read the room offset table
Common::Array<uint32> roomsOffsets;
for (uint j = 0; j < _ages[i].roomCount; j++) {
uint32 offset = file->readUint32() - _executableVersion->baseOffset;
roomsOffsets.push_back(offset);
}
// Load the rooms
for (uint j = 0; j < roomsOffsets.size(); j++) {
file->seek(roomsOffsets[j]);
_ages[i].rooms.push_back(loadRoomDescription(*file));
}
}
file->seek(_executableVersion->nodeInitScriptOffset);
_nodeInitScript = loadOpcodes(*file);
file->seek(_executableVersion->soundNamesOffset);
loadSoundNames(file);
// TODO: Remove once the offset table is complete
if (!_executableVersion->ambientCuesOffset) {
error("The description for this executable (%s, %s) does not contain the ambient cues offset. Please contact the ResidualVM team.",
_executableVersion->executable, _executableVersion->description);
}
file->seek(_executableVersion->ambientCuesOffset);
loadAmbientCues(file);
preloadCommonRooms(file);
initializeZipBitIndexTable(file);
delete file;
}
ADGameDescList AdvancedMetaEngine::detectGame(const Common::FSNode &parent, const FileMap &allFiles, Common::Language language, Common::Platform platform, const Common::String &extra) const {
ADFilePropertiesMap filesProps;
const ADGameFileDescription *fileDesc;
const ADGameDescription *g;
const byte *descPtr;
debug(3, "Starting detection in dir '%s'", parent.getPath().c_str());
// Check which files are included in some ADGameDescription *and* are present.
// Compute MD5s and file sizes for these files.
for (descPtr = _gameDescriptors; ((const ADGameDescription *)descPtr)->gameId != 0; descPtr += _descItemSize) {
g = (const ADGameDescription *)descPtr;
for (fileDesc = g->filesDescriptions; fileDesc->fileName; fileDesc++) {
Common::String fname = fileDesc->fileName;
ADFileProperties tmp;
if (filesProps.contains(fname))
continue;
if (getFileProperties(parent, allFiles, *g, fname, tmp)) {
debug(3, "> '%s': '%s'", fname.c_str(), tmp.md5.c_str());
filesProps[fname] = tmp;
}
}
}
ADGameDescList matched;
ADGameIdList matchedGameIds;
int maxFilesMatched = 0;
bool gotAnyMatchesWithAllFiles = false;
// MD5 based matching
uint i;
for (i = 0, descPtr = _gameDescriptors; ((const ADGameDescription *)descPtr)->gameId != 0; descPtr += _descItemSize, ++i) {
g = (const ADGameDescription *)descPtr;
bool fileMissing = false;
// Do not even bother to look at entries which do not have matching
// language and platform (if specified).
if ((language != Common::UNK_LANG && g->language != Common::UNK_LANG && g->language != language
&& !(language == Common::EN_ANY && (g->flags & ADGF_ADDENGLISH))) ||
(platform != Common::kPlatformUnknown && g->platform != Common::kPlatformUnknown && g->platform != platform)) {
continue;
}
if ((_flags & kADFlagUseExtraAsHint) && !extra.empty() && g->extra != extra)
continue;
bool allFilesPresent = true;
int curFilesMatched = 0;
bool hashOrSizeMismatch = false;
// Try to match all files for this game
for (fileDesc = g->filesDescriptions; fileDesc->fileName; fileDesc++) {
Common::String tstr = fileDesc->fileName;
if (!filesProps.contains(tstr)) {
fileMissing = true;
allFilesPresent = false;
break;
}
if (hashOrSizeMismatch)
continue;
if (fileDesc->md5 != NULL && fileDesc->md5 != filesProps[tstr].md5) {
debug(3, "MD5 Mismatch. Skipping (%s) (%s)", fileDesc->md5, filesProps[tstr].md5.c_str());
fileMissing = true;
hashOrSizeMismatch = true;
continue;
}
if (fileDesc->fileSize != -1 && fileDesc->fileSize != filesProps[tstr].size) {
debug(3, "Size Mismatch. Skipping");
fileMissing = true;
hashOrSizeMismatch = true;
continue;
}
debug(3, "Matched file: %s", tstr.c_str());
curFilesMatched++;
}
// We found at least one entry with all required files present.
// That means that we got new variant of the game.
//
// Without this check we would have erroneous checksum display
// where only located files will be enlisted.
//
// Potentially this could rule out variants where some particular file
// is really missing, but the developers should better know about such
// cases.
if (allFilesPresent) {
gotAnyMatchesWithAllFiles = true;
if (!matchedGameIds.size() || strcmp(matchedGameIds.back(), g->gameId) != 0)
matchedGameIds.push_back(g->gameId);
}
if (!fileMissing) {
debug(2, "Found game: %s (%s %s/%s) (%d)", g->gameId, g->extra,
getPlatformDescription(g->platform), getLanguageDescription(g->language), i);
if (curFilesMatched > maxFilesMatched) {
debug(2, " ... new best match, removing all previous candidates");
maxFilesMatched = curFilesMatched;
matched.clear(); // Remove any prior, lower ranked matches.
matched.push_back(g);
} else if (curFilesMatched == maxFilesMatched) {
matched.push_back(g);
} else {
debug(2, " ... skipped");
}
} else {
debug(5, "Skipping game: %s (%s %s/%s) (%d)", g->gameId, g->extra,
getPlatformDescription(g->platform), getLanguageDescription(g->language), i);
}
}
// We didn't find a match
if (matched.empty()) {
if (!filesProps.empty() && gotAnyMatchesWithAllFiles) {
reportUnknown(parent, filesProps, matchedGameIds);
}
// Filename based fallback
}
return matched;
}
// Based on AdvancedMetaEngine::detectGame
ADDetectedGames AdlMetaEngine::detectGame(const Common::FSNode &parent, const FileMap &allFiles, Common::Language language, Common::Platform platform, const Common::String &extra) const {
// We run the file-based detector first and then add to the returned list
ADDetectedGames matched = AdvancedMetaEngine::detectGame(parent, allFiles, language, platform, extra);
debug(3, "Starting disk image detection in dir '%s'", parent.getPath().c_str());
FilePropertiesMap filesProps;
bool gotAnyMatchesWithAllFiles = false;
for (uint g = 0; gameDiskDescriptions[g].desc.gameId != 0; ++g) {
ADDetectedGame game(&gameDiskDescriptions[g].desc);
// Skip games that don't meet the language/platform/extra criteria
if (language != Common::UNK_LANG && game.desc->language != Common::UNK_LANG) {
if (game.desc->language != language && !(language == Common::EN_ANY && (game.desc->flags & ADGF_ADDENGLISH)))
continue;
}
if (platform != Common::kPlatformUnknown && game.desc->platform != Common::kPlatformUnknown && game.desc->platform != platform)
continue;
if ((_flags & kADFlagUseExtraAsHint) && !extra.empty() && game.desc->extra != extra)
continue;
bool allFilesPresent = true;
for (uint f = 0; game.desc->filesDescriptions[f].fileName; ++f) {
const ADGameFileDescription &fDesc = game.desc->filesDescriptions[f];
Common::String fileName;
bool foundDiskImage = false;
for (uint e = 0; e < ARRAYSIZE(diskImageExts); ++e) {
if (diskImageExts[e].platform == game.desc->platform) {
Common::String testFileName(fDesc.fileName);
testFileName += diskImageExts[e].extension;
if (addFileProps(allFiles, testFileName, filesProps)) {
if (foundDiskImage) {
warning("Ignoring '%s' (already found '%s')", testFileName.c_str(), fileName.c_str());
filesProps.erase(testFileName);
} else {
foundDiskImage = true;
fileName = testFileName;
}
}
}
}
if (!foundDiskImage) {
allFilesPresent = false;
break;
}
game.matchedFiles[fileName] = filesProps[fileName];
if (game.hasUnknownFiles)
continue;
if (fDesc.md5 && fDesc.md5 != filesProps[fileName].md5) {
debug(3, "MD5 Mismatch. Skipping (%s) (%s)", fDesc.md5, filesProps[fileName].md5.c_str());
game.hasUnknownFiles = true;
continue;
}
if (fDesc.fileSize != -1 && fDesc.fileSize != filesProps[fileName].size) {
debug(3, "Size Mismatch. Skipping");
game.hasUnknownFiles = true;
continue;
}
debug(3, "Matched file: %s", fileName.c_str());
}
if (allFilesPresent && !game.hasUnknownFiles) {
debug(2, "Found game: %s (%s/%s) (%d)", game.desc->gameId, getPlatformDescription(game.desc->platform), getLanguageDescription(game.desc->language), g);
gotAnyMatchesWithAllFiles = true;
matched.push_back(game);
} else {
if (allFilesPresent && !gotAnyMatchesWithAllFiles) {
if (matched.empty() || strcmp(matched.back().desc->gameId, game.desc->gameId) != 0)
matched.push_back(game);
}
debug(5, "Skipping game: %s (%s/%s) (%d)", game.desc->gameId, getPlatformDescription(game.desc->platform), getLanguageDescription(game.desc->language), g);
}
}
return matched;
}