/** Serializes the graph settings to JSON and returns the data */
public byte[] Serialize (NavGraph graph) {
#if !ASTAR_NO_JSON
// Grab a cached string builder to avoid allocations
var output = GetStringBuilder ();
var writer = new JsonWriter (output,writerSettings);
writer.Write (graph);
return encoding.GetBytes (output.ToString());
#else
var mem = new System.IO.MemoryStream();
var writer = new System.IO.BinaryWriter(mem);
var ctx = new GraphSerializationContext (writer);
graph.SerializeSettings (ctx);
return mem.ToArray();
#endif
}