public static void EnterRegion(Creature creature, int regionId, int x, int y)
{
var pos = creature.GetPosition();
var packet = new Packet(Op.EnterRegion, MabiId.Channel);
packet.PutLong(creature.EntityId);
packet.PutByte(true); // success?
packet.PutInt(regionId);
packet.PutInt(x);
packet.PutInt(y);
creature.Client.Send(packet);
}