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[1.11.2] [SOLVED] UI doesn't display changed values


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I've got a little problem. My UI rendered on top of the block using the RenderGameOverlayEvent.Post event doesn't show my changed values.


When my block received energy it normally displays the new values for how much energy it stores now, but in some rare condition it doesn't show the new value.

For example you have a solar panel and place under the solar panel the new block. The new block shows always 0 until you relog. After a relog it shows the actual value.

If you would place the solar panel ontop of the new block it will work as it should be, but having the solar panel already placed, the UI doesn't show the changed values.


in update(): {
        if(this.flag) {
        	this.getWorld().notifyBlockUpdate(this.getPos(), this.getWorld().getBlockState(this.getPos()), this.getWorld().getBlockState(this.getPos()), 3);

    public SPacketUpdateTileEntity getUpdatePacket() {
        return new SPacketUpdateTileEntity(this.getPos(), 3, this.getUpdateTag());
    public NBTTagCompound getUpdateTag() {
        return this.writeToNBT(new NBTTagCompound());
    public void onDataPacket(NetworkManager net, SPacketUpdateTileEntity pkt) {
        super.onDataPacket(net, pkt);

Note: flag will change when the block itself sends energy.


Thx in advance.


Edited by Bektor

Developer of Primeval Forest.

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This is what I've had to do to insure that changes get sent.

This is also assuming your read/write NBT methods are overridden to include the data you want to send.

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