Common::SeekableReadStream *Resources::load(const Common::String &filename) {
// First check if the file is directly in the cache
if (_cache.isCached(filename))
return _cache.get(filename);
// Secondly, iterate through any loaded library file looking for a resource
// that has the same name
for (LibraryIndexes::iterator i = _indexes.begin(); i != _indexes.end(); ++i) {
if (i->_value.contains(filename)) {
// Get a stream reference to the given library file
Common::SeekableReadStream *stream = load(i->_key);
LibraryEntry &entry = i->_value[filename];
_resourceIndex = entry._index;
stream->seek(entry._offset);
Common::SeekableReadStream *resStream = stream->readStream(entry._size);
decompressIfNecessary(resStream);
delete stream;
return resStream;
}
}
// At this point, fall back on a physical file with the given name
Common::File f;
if (!f.open(filename))
error("Could not load file - %s", filename.c_str());
Common::SeekableReadStream *stream = f.readStream(f.size());
f.close();
decompressIfNecessary(stream);
return stream;
}
Common::SeekableReadStream *Resources::load(const Common::String &filename, const Common::String &libraryFile,
bool suppressErrors) {
// Open up the library for access
Common::SeekableReadStream *libStream = load(libraryFile);
// Check if the library has already had its index read, and if not, load it
if (!_indexes.contains(libraryFile))
loadLibraryIndex(libraryFile, libStream, false);
LibraryIndex &libIndex = _indexes[libraryFile];
// Handle if resource is not present
if (!libIndex.contains(filename)) {
if (!suppressErrors)
error("Could not find resource - %s", filename.c_str());
delete libStream;
return nullptr;
}
// Extract the data for the specified resource and return it
LibraryEntry &entry = libIndex[filename];
libStream->seek(entry._offset);
Common::SeekableReadStream *stream = libStream->readStream(entry._size);
decompressIfNecessary(stream);
delete libStream;
return stream;
}
Common::SeekableReadStream *Resources::load(const Common::String &filename, const Common::String &libraryFile) {
// Open up the library for access
Common::SeekableReadStream *libStream = load(libraryFile);
// Check if the library has already had it's index read, and if not, load it
if (!_indexes.contains(libraryFile))
loadLibraryIndex(libraryFile, libStream, false);
// Extract the data for the specified resource and return it
LibraryEntry &entry = _indexes[libraryFile][filename];
libStream->seek(entry._offset);
Common::SeekableReadStream *stream = libStream->readStream(entry._size);
decompressIfNecessary(stream);
delete libStream;
return stream;
}
