void Quake3MapReader::readFromStream(std::istream& stream)
{
// Call the virtual method to initialise the primitve parser map (if not done yet)
initPrimitiveParsers();
// The tokeniser used to split the stream into pieces
parser::BasicDefTokeniser<std::istream> tok(stream);
// Read each entity in the map, until EOF is reached
while (tok.hasMoreTokens())
{
// Create an entity node by parsing from the stream. If there is an
// exception, display it and return
try
{
parseEntity(tok);
}
catch (FailureException& e)
{
std::string text = (boost::format(_("Failed parsing entity %d:\n%s")) % _entityCount % e.what()).str();
// Re-throw with more text
throw FailureException(text);
}
_entityCount++;
}
// EOF reached, success
}
scene::INodePtr Quake3MapReader::createEntity(const EntityKeyValues& keyValues)
{
// Get the classname from the EntityKeyValues
EntityKeyValues::const_iterator found = keyValues.find("classname");
if (found == keyValues.end())
{
throw FailureException("Quake3MapReader::createEntity(): could not find classname.");
}
// Otherwise create the entity and add all of the properties
std::string className = found->second;
IEntityClassPtr classPtr = GlobalEntityClassManager().findClass(className);
if (classPtr == NULL)
{
rError() << "[mapdoom3]: Could not find entity class: "
<< className << std::endl;
// greebo: EntityClass not found, insert a brush-based one
classPtr = GlobalEntityClassManager().findOrInsert(className, true);
}
// Create the actual entity node
IEntityNodePtr node(GlobalEntityCreator().createEntity(classPtr));
for (EntityKeyValues::const_iterator i = keyValues.begin();
i != keyValues.end();
++i)
{
node->getEntity().setKeyValue(i->first, i->second);
}
return node;
}
void Doom3MapReader::parseMapVersion(parser::DefTokeniser& tok)
{
// Parse the map version
float version = 0;
try
{
tok.assertNextToken("Version");
version = boost::lexical_cast<float>(tok.nextToken());
}
catch (parser::ParseException& e)
{
// failed => quit
rError()
<< "[mapdoom3] Unable to parse map version: "
<< e.what() << std::endl;
throw FailureException(_("Unable to parse map version (parse exception)."));
}
catch (boost::bad_lexical_cast& e)
{
rError()
<< "[mapdoom3] Unable to parse map version: "
<< e.what() << std::endl;
throw FailureException(_("Could not recognise map version number format."));
}
float requiredVersion = MAP_VERSION_D3;
// Check we have the correct version for this module
if (version != requiredVersion)
{
std::string errMsg = (boost::format(_("Incorrect map version: required %f, found %f")) % requiredVersion % version).str();
rError() << errMsg << std::endl;
throw FailureException(errMsg);
}
// success
}
DownloadPtr Updater::prepareMirroredDownload(const std::string& remoteFile)
{
if (_mirrors.empty())
throw FailureException("No mirror information, cannot continue.");
vfs::Directory dir = getTargetDir();
vfs::Path targetPath = dir.getFilePath( remoteFile );
// Remove target path first
vfs::NFile::remove( targetPath );
// Create a mirrored download
return MirrorDownload::create(_conn, _mirrors, remoteFile, targetPath);
}
void Quake3MapReader::parsePrimitive(parser::DefTokeniser& tok, const scene::INodePtr& parentEntity)
{
_primitiveCount++;
std::string primitiveKeyword = tok.nextToken();
// Get a parser for this keyword
PrimitiveParsers::const_iterator p = _primitiveParsers.find(primitiveKeyword);
if (p == _primitiveParsers.end())
{
throw FailureException("Unknown primitive type: " + primitiveKeyword);
}
const PrimitiveParserPtr& parser = p->second;
// Try to parse the primitive, throwing exception if failed
try
{
scene::INodePtr primitive = parser->parse(tok);
if (!primitive)
{
std::string text = (boost::format(_("Primitive #%d: parse error")) % _primitiveCount).str();
throw FailureException(text);
}
// Now add the primitive as a child of the entity
_importFilter.addPrimitiveToEntity(primitive, parentEntity);
}
catch (parser::ParseException& e)
{
// Translate ParseExceptions to FailureExceptions
std::string text = (boost::format(_("Primitive #%d: parse exception %s")) % _primitiveCount % e.what()).str();
throw FailureException(text);
}
}
void Updater::downloadStableVersion()
{
downloadSingleFile(STABLE_VERSION_FILE);
// Parse this file
vfs::Directory folder = getTargetDir();
vfs::Path filename = folder.getFilePath( STABLE_VERSION_FILE );
auto inifile = IniFile::fromFile( filename );
if (inifile == NULL)
{
throw FailureException("Could not download current version info file from server.");
}
// Build the release file set
_latestRelease = ReleaseFileSet::LoadFromIniFile( inifile );
}
void Quake3MapReader::parseEntity(parser::DefTokeniser& tok)
{
// Map of keyvalues for this entity
EntityKeyValues keyValues;
// The actual entity. This is initially null, and will be created when
// primitives start or the end of the entity is reached
scene::INodePtr entity;
// Start parsing, first token must be an open brace
tok.assertNextToken("{");
std::string token = tok.nextToken();
// Reset the primitive counter, we're starting a new entity
_primitiveCount = 0;
while (true)
{
// Token must be either a key, a "{" to indicate the start of a
// primitive, or a "}" to indicate the end of the entity
if (token == "{") // PRIMITIVE
{
// Create the entity right now, if not yet done
if (entity == NULL)
{
entity = createEntity(keyValues);
}
// Parse the primitive block, and pass the parent entity
parsePrimitive(tok, entity);
}
else if (token == "}") // END OF ENTITY
{
// Create the entity if necessary and return it
if (entity == NULL)
{
entity = createEntity(keyValues);
}
break;
}
else // KEY
{
std::string value = tok.nextToken();
// Sanity check (invalid number of tokens will get us out of sync)
if (value == "{" || value == "}")
{
std::string text = (boost::format(_("Parsed invalid value '%s' for key '%s'")) % value % token).str();
throw FailureException(text);
}
// Otherwise add the keyvalue pair to our map
keyValues.insert(EntityKeyValues::value_type(token, value));
}
// Get the next token
token = tok.nextToken();
}
// Insert the entity
_importFilter.addEntity(entity);
}
void testException()
{
throw FailureException();
}
