Allows reading the content of a zip file. This class implements a reader that can extract the content of individual files inside a zip archive. [codeblock] func read_zip_file(): var reader := ZIPReader.new() var err := reader.open("user://archive.zip") if err != OK: return PackedByteArray() var res := reader.read_file("hello.txt") reader.close() return res [/codeblock] Closes the underlying resources used by this instance. Returns [code]true[/code] if the file exists in the loaded zip archive. Must be called after [method open]. Returns the list of names of all files in the loaded archive. Must be called after [method open]. Opens the zip archive at the given [param path] and reads its file index. Loads the whole content of a file in the loaded zip archive into memory and returns it. Must be called after [method open].