File preCache = PrecacheManager.getPluginCacheZip(plugin);
if (preCache.exists()) {
SpoutPlayer player = SpoutManager.getPlayerFromId(playerId);
if (player != null) {
player.sendImmediatePacket(new MCCraftPacket0KeepAlive());
player.sendPacket(new PacketSendPrecache(plugin, preCache));
}
}
}