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[1.7.2]Setting a ItemStack in a slot in an Instance Based Gui from the Server


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Hello, I have a gui that is separate for each player, so when a player right clicks a block it opens a new instance and recycles that instance for that player only, until the server is restarted. Bassically I need to load items into the Inv from nbt that is stored in an Extended Properties Class. I have the class and code made, but it does not work. Currently I have tried to set an ItemStack into a slot, but it does not show up in the inv, when I load the world. My question is , "Do I need to send packets to sync the Server and the Client side Inv?".

Don't be afraid to ask question when modding, there are no stupid question! Unless you don't know java then all your questions are stupid!

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