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[1.9] Save NBT to player


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Hey, i been trying to save atributes to the player, using nbt, but for some reason it doesnt save.

Ive read that to save to a vanilla entity you have to use IExtendedProperties, or IPlayerTracker, but it seems that in 1.9 things changed, cause those classes are not where there are supposed to be...


This is what i first tried :





public void entityJoinWorld(EntityJoinWorldEvent event) {

if (event.getEntity() instanceof AbstractClientPlayer) {


initiateNBT((EntityPlayer) event.getEntity());




private static void initiateNBT(EntityPlayer player){

NBTTagCompound nbt = player.getEntityData();

if(nbt.getCompoundTag("nwmm") != null) {

if(nbt.getCompoundTag("nwmm").getInteger("value") == 0) {

nbt.getCompoundTag("nwmm").setInteger("value", 1);


} else {

nbt.setTag("nwmm", new NBTTagCompound());






but i checked with NBTExplorer, and the data wasnt saved

How can i save data to the player then? (persistent)


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You need to use Capabilities in 1.9

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.


Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.


DO NOT PM ME WITH PROBLEMS. No help will be given.

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