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NBTtag storing variable number in TileEntity always reads and writes 2 values


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Hi there,


I have been making a custom TileEntity and the basic idea is that you put 9 Gel into the block and when 9 of those are extracted (the number increases every time after 1 is extracted) a certain item is "created". So i have it all working, but i wanted to make it so that my GUI shows the correct number so i thought of using the NBTTagCompound Read and Write to save the ammount of gel (also because i wanted it to be saved whenever you close the game etc). To see what it is writing and reading i did the following:

public void writeToNBT(NBTTagCompound par1NBTTagCompound)
System.out.println("[soul Forest] write : " + (short)this.gelAmmountExtracted);
par1NBTTagCompound.setShort("Gel", (short)this.gelAmmountExtracted);
// Some more code below (but thats for itemstacks) so i left it out

Now in the console i get the following values 1, 0. And whenever another gel is updated i get 2 and 0 etc. So 2 lines are being printed with 2 values and thats why my GUI picks up 0 continuesly, but how do i make it so that i don't read and write 2 values.

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