/**
* @brief Checks if the necessary subsystems for the application to run are correctly init
* If they are not -> it inits them.
*/
void Application::checkSubsystemsInit()
{
if ( isValid() )
return;
initSubSystems();
}
Common::Error AdvancedMetaEngine::createInstance(OSystem *syst, Engine **engine) const {
assert(engine);
const ADGameDescription *agdDesc = 0;
Common::Language language = Common::UNK_LANG;
Common::Platform platform = Common::kPlatformUnknown;
Common::String extra;
if (ConfMan.hasKey("language"))
language = Common::parseLanguage(ConfMan.get("language"));
if (ConfMan.hasKey("platform"))
platform = Common::parsePlatform(ConfMan.get("platform"));
if (_flags & kADFlagUseExtraAsHint) {
if (ConfMan.hasKey("extra"))
extra = ConfMan.get("extra");
}
Common::String gameid = ConfMan.get("gameid");
Common::String path;
if (ConfMan.hasKey("path")) {
path = ConfMan.get("path");
} else {
path = ".";
// This situation may happen only when game was
// launched from a command line with wrong target and
// no path was provided.
//
// A dummy entry will get created and will keep game path
// We mark this entry, so it will not be added to the
// config file.
//
// Fixes bug #1544799
ConfMan.setBool("autoadded", true);
warning("No path was provided. Assuming the data files are in the current directory");
}
Common::FSNode dir(path);
Common::FSList files;
if (!dir.isDirectory() || !dir.getChildren(files, Common::FSNode::kListAll, true)) {
warning("Game data path does not exist or is not a directory (%s)", path.c_str());
return Common::kNoGameDataFoundError;
}
if (files.empty())
return Common::kNoGameDataFoundError;
// Compose a hashmap of all files in fslist.
FileMap allFiles;
composeFileHashMap(allFiles, files, (_maxScanDepth == 0 ? 1 : _maxScanDepth));
// Run the detector on this
ADGameDescList matches = detectGame(files.begin()->getParent(), allFiles, language, platform, extra);
if (cleanupPirated(matches))
return Common::kNoGameDataFoundError;
if (_singleId == NULL) {
// Find the first match with correct gameid.
for (uint i = 0; i < matches.size(); i++) {
if (matches[i]->gameId == gameid) {
agdDesc = matches[i];
break;
}
}
} else if (matches.size() > 0) {
agdDesc = matches[0];
}
if (agdDesc == 0) {
// Use fallback detector if there were no matches by other means
agdDesc = fallbackDetect(allFiles, files);
if (agdDesc != 0) {
// Seems we found a fallback match. But first perform a basic
// sanity check: the gameid must match.
if (_singleId == NULL && agdDesc->gameId != gameid)
agdDesc = 0;
}
}
if (agdDesc == 0)
return Common::kNoGameDataFoundError;
// If the GUI options were updated, we catch this here and update them in the users config
// file transparently.
Common::String lang = getGameGUIOptionsDescriptionLanguage(agdDesc->language);
if (agdDesc->flags & ADGF_ADDENGLISH)
lang += " " + getGameGUIOptionsDescriptionLanguage(Common::EN_ANY);
Common::updateGameGUIOptions(agdDesc->guiOptions + _guiOptions, lang);
GameDescriptor gameDescriptor = toGameDescriptor(*agdDesc, _gameIds);
bool showTestingWarning = false;
#ifdef RELEASE_BUILD
showTestingWarning = true;
#endif
if (((gameDescriptor.getSupportLevel() == kUnstableGame
|| (gameDescriptor.getSupportLevel() == kTestingGame
&& showTestingWarning)))
&& !Engine::warnUserAboutUnsupportedGame())
return Common::kUserCanceled;
debug(2, "Running %s", gameDescriptor.description().c_str());
initSubSystems(agdDesc);
if (!createInstance(syst, engine, agdDesc))
return Common::kNoGameDataFoundError;
else
return Common::kNoError;
}