import cn.nukkit.level.sound.Sound; //导入依赖的package包/类
public void addSound(Sound sound, Player[] players) {
    DataPacket[] packets = sound.encode();

    if (players == null) {
        if (packets != null) {
            for (DataPacket packet : packets) {
                this.addChunkPacket((int) sound.x >> 4, (int) sound.z >> 4, packet);
            }
        }
    } else {
        if (packets != null) {
            if (packets.length == 1) {
                Server.broadcastPacket(players, packets[0]);
            } else {
                this.server.batchPackets(players, packets, false);
            }
        }
    }
}